WO2018041236A1 - 组焊装置及方法 - Google Patents

组焊装置及方法 Download PDF

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Publication number
WO2018041236A1
WO2018041236A1 PCT/CN2017/100066 CN2017100066W WO2018041236A1 WO 2018041236 A1 WO2018041236 A1 WO 2018041236A1 CN 2017100066 W CN2017100066 W CN 2017100066W WO 2018041236 A1 WO2018041236 A1 WO 2018041236A1
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WO
WIPO (PCT)
Prior art keywords
welding
pinch roller
roller
vertical
vertical pinch
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Application number
PCT/CN2017/100066
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English (en)
French (fr)
Inventor
易仕桂
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无锡市光彩机械制造有限公司
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Publication of WO2018041236A1 publication Critical patent/WO2018041236A1/zh

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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
    • B23K9/02Seam welding; Backing means; Inserts
    • 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
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426Fixtures for other work
    • 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
    • B23K9/12Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
    • 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
    • B23K9/24Features related to electrodes
    • B23K9/28Supporting devices for electrodes
    • 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
    • B23K9/24Features related to electrodes
    • B23K9/28Supporting devices for electrodes
    • B23K9/287Supporting devices for electrode holders

Definitions

  • the present disclosure is directed to integrated steel processing techniques, for example, to a welding apparatus and method.
  • the welding method uses the workpiece to move, multiple welding machines to walk, multiple cables and air pipes are followed by the welding machine by the drag chain, and the reciprocating motion is relatively friction all day, which is prone to safety accidents.
  • the present disclosure provides a welding apparatus and method, which has the characteristics of good welding quality, high welding efficiency, high safety and reliability, and solves the above problems in the processing of the integrated steel in the related art.
  • a welding device comprising a feeding end and a discharging end, and a plurality of sets of nip devices, wherein the nip device is juxtaposed between the feeding end and the discharging end;
  • the nip roller device comprises a frame, the frame is rotatably spaced apart from the first vertical pinch roller and the second vertical pinch roller, the first vertical pinch roller and the second vertical pinch roller
  • Each of the rollers is coupled to a rotary drive assembly, the rotary drive assembly being configured to drive the first vertical pinch roller and the second vertical pinch roller to rotate;
  • a crimping drive is disposed at both ends of the first vertical pinch roller, and the crimping drive is configured to drive the first vertical pinch roller to make the first vertical pinch roller and the second vertical The pinch roller clamps the profile steel;
  • the top of the frame is provided with a pressing device for crimping steel between two adjacent nip rollers;
  • the bottom of the frame is provided with a profile steel conveying roller between the first vertical pinch roller and the second vertical pinch roller;
  • At least one set of welding torch assemblies is disposed on the frame along the moving direction of the steel, and the welding torch assembly includes two welding gun holders correspondingly fixed on two sides of the frame, and the two welding gun frames are respectively provided with N- a welding torch movable up and down along the welding gun frame, wherein N is the number of steel profiles, the welding gun has a welding gun telescopic mechanism connected to the tail end thereof, and the welding nozzle of the welding torch corresponds to the weld seam between two adjacent steel profiles .
  • the pre-welding gun assembly, the first welding torch assembly, the re-welding gun assembly, and the second welding torch assembly are sequentially disposed along the moving direction of the steel in the frame, wherein the two sets of welding torch assemblies are movable up and down.
  • the rotary drive assembly comprises a nip roller drive gear box, and an output shaft of the nip roller drive gear box is connected to a rotating shaft of the vertical pinch roller through a universal joint, and is located at a side of the first vertical pinch roller
  • the nip roller gearbox and the nip roller gearbox on one side of the second vertical pinch roller are respectively coupled to a drive shaft, and the drive shaft is driven by a nip roller gear motor.
  • the pressing device comprises an upper pressing roller and a worm gear screw elevator, and the worm wheel screw elevator is driven by a reduction motor to drive the upper pressing roller to move up and down.
  • a driving rod is connected to the upper pressing roller, and a pressing sleeve is disposed between the driving rod and the screw rod of the worm wheel screw elevator, and the pressing sleeve is sleeved with a pre-compression spring.
  • the welding gun frame is vertically mounted with a lifting rail and a rack
  • the welding gun is provided with a driving box
  • an output shaft of the driving box is mounted with a gear meshing with the rack
  • the drive box is configured to drive the welding gun up and down along the lifting rail by gears and racks.
  • the welding gun includes a nozzle and a nozzle cap, and the nozzle cap is sleeved on the nozzle, and a support seat is fixed under the nozzle cap, the support base includes a base, and both ends of the base are
  • the side plate is vertically disposed with a support groove, the nozzle cap is located in the support groove, and the nozzle cap is fixed with a blocking member, and the blocking member is located at the two side plates
  • the welding gun telescopic mechanism is a welding gun telescopic cylinder, and the welding gun telescopic cylinder is connected to the welding gun to drive the nozzle to move horizontally.
  • the blocking component is a nozzle clamp fixed to the outside of the nozzle cap by a locking bolt
  • the support groove is a “U”-shaped groove, and a width thereof is matched with an outer diameter of the nozzle cap.
  • the spacing between the two side panels is less than the length of the nozzle cap.
  • a method of welding a device comprising:
  • the integrated steel bar which is palletized in the vertical direction is placed on the conveying roller, and the integrated steel is restricted in the vertical direction by the pressing device, and the first vertical pinch roller and the second vertical clamp are Feed roller in horizontal Limit the integrated steel upwards;
  • the control integrated steel continues to move, so that at least one of the welds is re-welded by a plurality of re-welding guns disposed correspondingly on the two sides of the integrated steel.
  • the pre-welding pre-welding amount is 1/3 of the full welding amount.
  • the welding device and method have the following characteristics:
  • the initial welding amount is about 1/3 of the full welding amount.
  • the small gap in the groove of the weld is welded, the fixed profile is small, and the thermal deformation is small, and the preheating is repeated for re-welding, so as to avoid large temperature difference and large deformation of the one-time welding. Open the defects of the workpiece.
  • the setting of the welding torch assembly is configured for emergency standby. After the initial welding and re-welding stations, a set of repair welding equipment is set up. Multiple welders work at the same time, and multiple welds are continuously welded by pipeline;
  • the welding method adopts the way that the welding machine does not move and the workpiece moves, and the safety and reliability are high;
  • the welding gun is equipped with an automatic capping device, which automatically pulls out the nozzle cap by using the discharge gap to facilitate replacement and automatic cleaning.
  • FIG. 1 is a schematic structural view of a welding apparatus according to the embodiment
  • FIG. 2 is a schematic structural view of a nip roller device of the welding device according to the embodiment
  • FIG. 4 is an assembled view of a welding torch of the welding device according to the embodiment.
  • Fig. 5 is still another assembly view of the welding torch of the welding apparatus provided by the embodiment.
  • the welding device includes a feeding end 100 and a discharging end 200.
  • a plurality of sets of nip rolls are arranged side by side between the feed end 100 and the discharge end 200, the nip roll device comprising a frame 1, exemplarily, the first part of the frame 1 is shown in FIG.
  • a second portion of the frame 1 is shown in FIG.
  • the frame 1 is rotatably spaced apart from the first vertical pinch roller 2 and the second vertical pinch roller 3, and the first vertical pinch roller 2 and the second vertical pinch roller 3 are connected with a rotary drive.
  • the rotary drive assembly includes a pinch drive gearbox 4, the output shaft of the pinch drive gearbox 4 is coupled to the rotary shaft of the vertical pinch roller by a universal joint 5, and is located at the first vertical pinch roller 2
  • One of the nip roller drive gearboxes 4 on one side and on the side of the second vertical pinch roller 3 is connected in linkage by a drive shaft 6, which is driven by a nip roller motor 7. That is, all the nip roller drive gears 4 on one side are driven by a common drive shaft 6.
  • Both ends of the first vertical pinch roller 2 are provided with a pressing cylinder 8 , and the piston rod of the pressing cylinder 8 pushes the first vertical pinch roller 2 to move toward the second vertical pinch roller 3
  • the clamping of the profile steel 9 between the two vertical pinch rolls is achieved.
  • the steel section refers to a square steel or a channel steel. After the plurality of sections are combined by welding or the like, it may be referred to as an integrated steel.
  • the top of the frame 1 is provided with a pressing device for pressing the steel between two adjacent nip rollers, the pressing device comprising an upper pressing roller 10 and a worm gear screw lift 11, the worm gear screw
  • the pressing device comprising an upper pressing roller 10 and a worm gear screw lift 11, the worm gear screw
  • the lifter 11 is fixed to the top of the frame 1, and the bottom of the screw of the worm screw lifter 11 is connected with a compression sleeve 12, and the compression sleeve 12 is sleeved with a pre-compression spring 13, and the compression sleeve 12
  • the bottom of the driving rod 14 is connected to the bottom of the driving rod 14, and the upper pressing roller 10 is provided, and the worm wheel screw lift 11 is driven by the reduction motor 15.
  • a steel conveying idler 16 is disposed between the first vertical pinch roller 2 and the second vertical pinch roller 3 at the bottom of the frame 1, and the profiled steel conveying roller 16 passes through a conveying roller driving mechanism (for example, pressing)
  • the hydraulic cylinder 8) is driven.
  • the frame 1 is provided with a pre-welding gun assembly 17a and a re-soldering gun assembly 17b spaced along the direction of movement of the steel.
  • the weld is first pre-welded by the pre-welding gun assembly 17a, and then the weld is performed by the re-welding gun assembly 17b.
  • the pre-welding amount is about 1/3 of the full-welding amount.
  • the small gap in the groove of the weld is first welded, the fixed profile is small, the thermal deformation is small, and the pre-heating is repeated for re-welding to avoid large temperature difference and deformation of the one-time welding. A large amount of defects in the workpiece.
  • the rear end of the pre-welding gun assembly 17a and the re-welding gun assembly 17b are provided with a reaming gun assembly 17c, which can be moved up and down along the frame 1.
  • the emergency button is activated, and the refinishing gun assembly 17c You can quickly adjust the position of the welding torch and perform the repair welding operation to prevent the entire assembly line from stopping. After the fault is cleared on site, the repair welding equipment can be reset and stopped.
  • the activation of the emergency button can be initiated by either manual or automatic detection.
  • the pre-welding gun assembly 17a and the re-welding gun assembly 17b each include two welding gun holders 18 correspondingly fixed to the two sides of the frame 1.
  • the two welding gun holders 18 are respectively provided with N-1 welding guns 19, wherein N is the number of steels, and the welding tip of the welding gun 19 is disposed corresponding to the weld between two adjacent steels 9, the welding gun 19
  • a welding gun telescopic cylinder 20 is connected to the tail end, and the welding gun telescopic cylinder 20 drives the welding gun 19 to telescopically move.
  • the two welding gun holders 18 are vertically mounted with a lifting rail 21 and a rack 22, and the welding gun 19 is provided with a driving device.
  • the case 23 is provided with a gear meshing with the rack 22 on the output shaft of the drive case 23, and the drive case 23 drives the welding gun 19 as a whole to move up and down along the lift rail 21 via the gear and the rack 22.
  • the welding gun 19 includes a nozzle 24 and a nozzle cap 25.
  • the nozzle cap 25 is sleeved outside the nozzle 24.
  • a support seat 26 is fixed below the nozzle cap 25.
  • the support base 26 includes a base 27.
  • the two sides of the base plate 28 are vertically disposed with a side plate 28. Referring to FIG. 5, the side plate 28 is correspondingly provided with a "U"-shaped support groove 281.
  • the width of the support groove 281 matches the outer diameter of the nozzle cap.
  • the nozzle cap 25 is located in the support groove 281, and the nozzle cap 25 is fixed to the outside of the nozzle cap 25 by a lock bolt 29,
  • the nozzle holder 30 is located between the two side plates 28, and when the nozzle cap 25 needs to be disassembled, the torch expansion cylinder 20 moves the nozzle 24 and the nozzle cap 25 together, and the nozzle holder 30 moves rearward to the rear side plate 28 In the inner position, the rear side plate 28 blocks the nozzle jig 30, and the torch telescopic cylinder 20 continues to move rearward, and finally the nozzle jig 30 and the nozzle cap 25 are entirely detached from the nozzle 24.
  • the nozzle cap 25 to be replaced is attached to the nozzle holder 30 and placed on the support groove 281 of the two side plates 28, and the torch telescopic cylinder 20 pushes the nozzle 24 forward to automatically put the nozzle cap 25 out of the nozzle 24.
  • the first vertical pinch roller 2 is in a loose state, and the palletized profiled steel 9 is automatically fed between the first vertical pinch roller 2 and the second vertical pinch roller 3 of the welding device.
  • the pressing cylinder 8 pushes the first vertical pinch roller 2 to press the profiled steel 9 in the left and right directions, and the worm wheel screw lift 11 drives the upper pressing roller 10 to move downward and is pressed against the upper side of the profiled steel 9.
  • the profile steel 9 is positioned in four directions, and the profile steel 9 first reaches the pre-weld gun assembly 17a station, and the pre-weld gun assembly 17a starts simultaneous symmetrically pre-welding of the welds on both sides of the profile steel 9, and the pre-welding amount is about full weld.
  • the profile steel 9 keeps moving forward.
  • the re-welding gun assembly 17b starts simultaneous symmetric welding of the welds on both sides of the profiled steel 9
  • the two sets of welding torch assemblies 17c are activated to perform the repair welding.
  • the above-mentioned welding device can be used alone for the welding of integrated steel, and more importantly, it can be matched with the integrated steel production line, which guarantees the high-efficiency automatic production line of integrated steel.
  • the initial welding amount is about 1/3 of the full welding amount.
  • the small gap in the groove of the weld is welded, the fixed profile is small, and the thermal deformation is small, and the preheating is repeated for re-welding, so as to avoid large temperature difference and large deformation of the one-time welding. Open the defects of the workpiece.
  • the setting of the welding torch assembly is configured for emergency standby. After the initial welding and re-welding stations, a set of welding equipment is set up. Multiple welders work at the same time, and multiple welds are continuously welded by pipeline;
  • the welding method adopts the way that the welding machine does not move and the workpiece moves, and the safety and reliability are high;
  • the welding gun is equipped with an automatic capping device, which automatically pulls out the nozzle cap by using the discharge gap to facilitate replacement and automatic cleaning.

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  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
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Abstract

一种组焊装置及方法,该组焊装置包括多套夹辊装置,所述夹辊装置包括机架(1),所述机架上设置有第一竖夹送辊(2)和第二竖夹送辊(3),所述第一竖夹送辊和第二竖夹送辊均连接有旋转驱动组件,且所述机架的顶部设置有用于压住型钢的压料装置,所述机架的底部于所述第一竖夹送辊和第二竖夹送辊之间设置有型钢输送托辊(16),所述机架上设置有焊枪组件,所述焊枪组件包括固定于所述机架两侧的两个焊枪架,所述两个焊枪架上均对应设置有多个焊枪,所述焊枪的尾端连接有焊枪伸缩机构。

Description

组焊装置及方法 技术领域
本公开属于集成型钢加工技术,例如涉及一种组焊装置及方法。
背景技术
集成型钢住宅产品的自身优点在施工过程中得到一定的认可,具有广阔的应用前景。但是集成型钢住宅产品在生产制造过程中反映出一些必须给予高度重视的薄弱环节:集成型钢产品的装配工序及焊接工序。由于相关技术中均是采用人工或半自动程度不高的机械装配与焊接方法,相关技术中的集成型钢的组焊方式普遍存在如下缺点:
1)集成型钢的两边焊机先点焊,后为单边缝焊,点焊后的工件,在缝焊时冷热收缩不同步,局部热变形大,出现弯曲炸裂现象;
2)仅凭左右两侧对集成型钢进行夹持,且夹持方式不可靠,焊接变形大,焊接效率低;
3)焊接方式采用工件不动,多台焊机行走,多条电缆和气管由拖链跟随着焊机,整天往复运动相对磨擦,极易发生安全事故。
发明内容
本公开提供一种组焊装置及方法,具有焊接质量好、焊接效率高和安全可靠性高的特点,解决了相关技术中集成型钢在加工过程中存在的上述问题。
本实施例采用以下技术方案:
一种组焊装置,包括进料端和出料端,以及多套的夹辊装置,所述夹辊装置在所述进料端和出料端之间并列间隔设置;
其中,所述夹辊装置包括机架,所述机架上可转动地间隔设置有第一竖夹送辊和第二竖夹送辊,所述第一竖夹送辊和第二竖夹送辊均连接有旋转驱动组件,所述旋转驱动组件设置为驱动所述第一竖夹送辊和第二竖夹送辊旋转;
所述第一竖夹送辊的两端均设置有压接驱动,所述压接驱动用于驱动所述第一竖夹送辊,使所述第一竖夹送辊和所述第二竖夹送辊夹住型钢;
所述机架的顶部于相邻两套夹辊装置之间均设置有用于压接型钢的压料装置;
所述机架的底部于所述第一竖夹送辊和第二竖夹送辊之间设置有型钢输送托辊;
所述机架上沿型钢运动方向设置有至少一套焊枪组件,所述焊枪组件包括对应固定于所述机架两侧的两个焊枪架,所述两个焊枪架上均对应设置有N-1个可沿焊枪架上下移动的焊枪,其中N为型钢的根数,所述焊枪的尾端连接有焊枪伸缩机构,且所述焊枪的焊嘴对应相邻两根型钢之间的焊缝设置。
可选的,所述机架上沿型钢运动方向依次间隔设置有预焊枪组件、第一补焊枪组件、复焊枪组件和第二补焊枪组件,其中,所述两套补焊枪组件可上下移动。
可选的,所述旋转驱动组件包括夹辊传动齿轮箱,所述夹辊传动齿轮箱的输出轴通过万向联轴器与竖夹送辊的转轴连接,位于第一竖夹送辊一侧的所述夹辊传动齿轮箱和位于第二竖夹送辊一侧的所述夹辊传动齿轮箱分别与驱动轴联动连接,所述驱动轴由夹辊减速电机驱动。
可选的,所述压料装置包括上压辊和蜗轮丝杆升降机,所述蜗轮丝杆升降机通过减速电机驱动,进而带动所述上压辊上下移动。
可选的,所述上压辊上连接有驱动杆,所述驱动杆与所述蜗轮丝杆升降机的丝杆之间设置压紧套,所述压紧套上套有预压缩弹簧。
可选的,所述焊枪架上均竖直安装有升降导轨和齿条,所述焊枪上设置有驱动箱,所述驱动箱的输出轴上安装有与所述齿条啮合的齿轮,所述驱动箱设置为通过齿轮和齿条驱动焊枪沿所述升降导轨上下移动。
可选的,所述焊枪包括喷嘴和喷嘴帽,所述喷嘴帽套设于所述喷嘴上,所述喷嘴帽的下方固定有支撑座,所述支撑座包括底座,所述底座的两端均竖直设置有侧板,所述侧板上对应开设有支撑槽,所述喷嘴帽位于所述支撑槽内,且所述喷嘴帽上固定有阻挡部件,所述阻挡部件位于两个侧板之间,所述焊枪伸缩机构为焊枪伸缩气缸,所述焊枪伸缩气缸连接焊枪驱动喷嘴水平移动。
可选的,所述阻挡部件为通过锁紧螺栓固定套于所述喷嘴帽外的喷嘴夹具,所述支撑槽为“U”型槽,其宽度配合所述喷嘴帽的外径设置,所述两个侧板之间的间距小于所述喷嘴帽的长度。
一种组焊装置方法,包括:
将沿竖直方向码垛后的集成型钢放置于输送辊上,由压料装置在竖直方向上对集成型钢进行限位,并由所述第一竖夹送辊和所述第二竖夹送辊在水平方 向上对集成型钢进行限位;
控制输送辊转动,带动集成型钢移动预定位置,使集成型钢两侧对称设置的与对应集成型钢焊缝的多个预焊焊枪,对所有焊缝进行预焊接;
控制集成型钢继续移动,使得集成型钢两侧对称设置的对应集成型钢焊缝设置的多个复焊焊枪对至少一个所述焊缝进行复焊接。
可选的,所述预焊接的预焊量为满焊量的1/3。
与相关技术相比所述组焊装置及方法具有以下特点:
1)配置与集成型钢上焊缝(即构成集成型钢的单个型钢之间需要焊接的缝隙)个数相等的焊机,所述焊机对所述焊缝进行焊接,直接对称缝焊,焊件受热均衡,收缩均匀对称,变形极小;
2)采用先初焊(即预焊接),后复焊(即复焊接)的二级或多级焊接法。初焊量约为满焊量的1/3,先将焊缝内槽部小缝隙焊实,固定型材,热变形小,并为复焊预热,避免一次性焊接温差大、变形量大而涨开工件的缺陷。初焊后可一组或多组复焊;
3)补焊枪组件的设置,为应急备用而配置。初焊、复焊工位后,分别设一套补焊设备。多台焊机同时工作,多条焊缝不间断地流水线焊接;
4)组焊装备,具有上下左右夹紧功能,工件变形小,多条焊缝同时焊接效率高;
5)焊接方式采用焊机不动,工件移动的方式,安全可靠性高;
6)焊枪配置自动拔帽装置,利用出料间隙自动拔出喷嘴帽,方便更换及自动化清理。
附图概述
图1是本具体实施方式提供的组焊装置的结构示意图;
图2是本具体实施方式提供的组焊装置的夹辊装置的结构示意图;
图3是本具体实施方式提供的组焊装置的局部放大图;
图4是本具体实施方式提供的组焊装置的焊枪的装配图;
图5是本具体实施方式提供的组焊装置的焊枪的又一装配图。
具体实施方式
请参阅图1至图4所示,本实施例中,该组焊装置包括进料端100和出料端200, 所述进料端100和出料端200之间并列间隔布置有多套夹辊装置,所述夹辊装置包括机架1,示例性的,图1中示出了机架1的第一部分,图2中示出了机架1的第二部分。所述机架1上可转动地间隔设置有第一竖夹送辊2和第二竖夹送辊3,所述第一竖夹送辊2和第二竖夹送辊3均连接有旋转驱动组件,所述旋转驱动组件包括夹辊传动齿轮箱4,所述夹辊传动齿轮箱4的输出轴通过万向联轴器5与竖夹送辊的转轴连接,位于第一竖夹送辊2一侧和位于第二竖夹送辊3一侧的所有夹辊传动齿轮箱4分别通过一驱动轴6联动连接,所述驱动轴6由夹辊减速电机7驱动。即单侧所有夹辊传动齿轮箱4共用一驱动轴6驱动。所述第一竖夹送辊2的两端均设置有压紧油缸8,所述压紧油缸8的活塞杆推动第一竖夹送辊2向靠近第二竖夹送辊3的方向移动时实现对两个竖夹送辊之间的型钢9的夹紧。其中,所述型钢是指方钢或者槽钢等。多个型钢通过焊接等方式组合之后可以是称为集成型钢。
所述机架1的顶部于相邻两套夹辊装置之间设置有用于压紧型钢的压料装置,所述压料装置包括上压辊10和蜗轮丝杆升降机11,所述蜗轮丝杆升降机11固定于所述机架1的顶部,蜗轮丝杆升降机11的丝杆的底部连接有压紧套12,所述压紧套12上套有预压紧弹簧13,所述压紧套12的底部连接驱动杆14,所述驱动杆14的底部设置上压辊10,所述蜗轮丝杆升降机11由减速电机15驱动。
所述机架1的底部于所述第一竖夹送辊2和第二竖夹送辊3之间设置有型钢输送托辊16,所述型钢输送托辊16通过输送辊驱动机构(例如压紧油缸8)驱动。
所述机架1上沿型钢运动方向间隔设置有预焊枪组件17a和复焊枪组件17b,焊接时,先通过预焊枪组件17a对焊缝进行预焊接,然后再由复焊枪组件17b对焊缝进行复焊接,预焊量约为满焊量的1/3,先将焊缝内槽部小缝隙焊实,固定型材,热变形小,并为复焊预热,避免一次性焊接温差大、变形量大而涨开工件的缺陷。所述预焊枪组件17a和复焊枪组件17b的后端均设置有补焊枪组件17c,所述补焊枪组件17c可沿机架1上下移动,当发生脱焊时,启动应急按钮,补焊枪组件17c即可迅速调整补焊枪位置,进行补焊作业,避免整条流水线因故停止。现场排除故障后,补焊设备即可复位,停止工作。应急按钮的启动可通过人工或自动检测启动的任一方式。
所述预焊枪组件17a和复焊枪组件17b均包括对应固定于所述机架1两侧的两个焊枪架18,所述两个焊枪架18上均对应设置有N-1个焊枪19,其中N为型钢的根数,所述焊枪19的焊嘴对应相邻两根型钢9之间的焊缝设置,所述焊枪19的 尾端连接有焊枪伸缩气缸20,所述焊枪伸缩气缸20驱动焊枪19伸缩移动,所述两个焊枪架18上均竖直安装有升降导轨21和齿条22,所述焊枪19上设置有驱动箱23,所述驱动箱23的输出轴上安装有与所述齿条22啮合的齿轮,所述驱动箱23通过齿轮和齿条22驱动焊枪19整体沿升降导轨21上下移动。
所述焊枪19包括喷嘴24和喷嘴帽25,所述喷嘴帽25套设于所述喷嘴24之外,所述喷嘴帽25的下方固定有支撑座26,所述支撑座26包括底座27,所述底座27的两端均竖直设置有侧板28,参见图5,所述侧板28上对应开设有“U”型的支撑槽281,支撑槽281的宽度配合所述喷嘴帽的外径设置,所述两个侧板之间的间距小于所述喷嘴帽的长度,所述喷嘴帽25位于所述支撑槽281内,所述喷嘴帽25外侧通过锁紧螺栓29固定有喷嘴夹具30,所述喷嘴夹具30位于两个侧板28之间,需要拆卸喷嘴帽25时,焊枪伸缩气缸20向后拉动喷嘴24和喷嘴帽25一起移动,当喷嘴夹具30向后移动到后端的侧板28的内侧位置时,后端的侧板28挡住喷嘴夹具30,焊枪伸缩气缸20继续向后移动,最终将喷嘴夹具30和喷嘴帽25整体从喷嘴24上拆下。安装时,将需要更换的喷嘴帽25装上喷嘴夹具30放在两个侧板28的支撑槽281上,焊枪伸缩气缸20向前推动喷嘴24自动将喷嘴帽25套在喷嘴24之外。
工作时,所述第一竖夹送辊2处于松开状态,经码垛后的型钢9自动送入组焊装置的第一竖夹送辊2和第二竖夹送辊3之间,所述压紧油缸8推动第一竖夹送辊2将型钢9在左右两个方向压紧,蜗轮丝杆升降机11驱动上压辊10向下移动,压紧于型钢9的上方。将型钢9在四个方向进行定位,型钢9移动过程中先到达预焊枪组件17a工位,预焊枪组件17a启动对型钢9两侧的焊缝进行同时对称预焊接,预焊量约为满焊量的1/3,预焊过程中,型钢9保持向前移动的状态,到达复焊枪组件17b工位时,复焊枪组件17b启动对型钢9两侧的焊缝进行同时对称复焊接,在预焊接和复焊接过程中,若发生脱焊,两套补焊枪组件17c启动,进行补焊。
上述组焊装置可单独用于对集成型钢的组焊,更重要的是能够配套于集成型钢的生产线上,为实现集成型钢的高效率全自动流水线生产提供保证。
工业实用性
本公开提供的组焊装置具有以下优点:
1)配置与集成型钢上焊缝个数相等的焊机,所述焊机对所述焊缝进行焊接, 直接对称缝焊,焊件受热均衡,收缩均匀对称,变形极小;
2)采用先初焊(即预焊接),后复焊(即复焊接)的二级或多级焊接法。初焊量约为满焊量的1/3,先将焊缝内槽部小缝隙焊实,固定型材,热变形小,并为复焊预热,避免一次性焊接温差大、变形量大而涨开工件的缺陷。初焊后可一组或多组复焊;
3)补焊枪组件的设置,为应急备用而配置,初焊、复焊工位后,分别设一套补焊设备。多台焊机同时工作,多条焊缝不间断地流水线焊接;
4)组焊装备,具有上下左右夹紧功能,工件变形小,多条焊缝同时焊接效率高;
5)焊接方式采用焊机不动,工件移动的方式,安全可靠性高;
6)焊枪配置自动拔帽装置,利用出料间隙自动拔出喷嘴帽,方便更换及自动化清理。

Claims (10)

  1. 一种组焊装置,包括进料端和出料端,以及多套的夹辊装置,所述夹辊装置在所述进料端和出料端之间并列间隔设置;
    其中,所述夹辊装置包括机架,所述机架上可转动地间隔设置有第一竖夹送辊和第二竖夹送辊,所述第一竖夹送辊和第二竖夹送辊均连接有旋转驱动组件,所述旋转驱动组件设置为驱动所述第一竖夹送辊和第二竖夹送辊旋转;
    所述第一竖夹送辊的两端均设置有压接驱动,所述压接驱动用于驱动所述第一竖夹送辊,使所述第一竖夹送辊和所述第二竖夹送辊夹住型钢;
    所述机架的顶部于相邻两套夹辊装置之间均设置有用于压接型钢的压料装置;
    所述机架的底部于所述第一竖夹送辊和第二竖夹送辊之间设置有型钢输送托辊;
    所述机架上沿型钢运动方向设置有至少一套焊枪组件,所述焊枪组件包括对应固定于所述机架两侧的两个焊枪架,所述两个焊枪架上均对应设置有N-1个可沿焊枪架上下移动的焊枪,其中N为型钢的根数,所述焊枪的尾端连接有焊枪伸缩机构,且所述焊枪的焊嘴对应相邻两根型钢之间的焊缝设置。
  2. 根据权利要求1所述的组焊装置,其中,所述机架上沿型钢运动方向依次间隔设置有预焊枪组件、第一补焊枪组件、复焊枪组件和第二补焊枪组件,其中,所述两套补焊枪组件可上下移动。
  3. 根据权利要求1所述的组焊装置,其中,所述旋转驱动组件包括夹辊传动齿轮箱,所述夹辊传动齿轮箱的输出轴通过万向联轴器与竖夹送辊的转轴连接,位于第一竖夹送辊一侧的所述夹辊传动齿轮箱和位于第二竖夹送辊一侧的所述夹辊传动齿轮箱分别与驱动轴联动连接,所述驱动轴由夹辊减速电机驱动。
  4. 根据权利要求1所述的组焊装置,其中,所述压料装置包括上压辊和蜗轮丝杆升降机,所述蜗轮丝杆升降机通过减速电机驱动,进而带动所述上压辊上下移动。
  5. 根据权利要求4所述的组焊装置,其中,所述上压辊上连接有驱动杆,所述驱动杆与所述蜗轮丝杆升降机的丝杆之间设置压紧套,所述压紧套上套有预压缩弹簧。
  6. 根据权利要求1所述的组焊装置,其中,所述焊枪架上均竖直安装有升降导轨和齿条,所述焊枪上设置有驱动箱,所述驱动箱的输出轴上安装有与所述齿条啮合的齿轮,所述驱动箱设置为通过齿轮和齿条驱动焊枪沿所述升降导 轨上下移动。
  7. 根据权利要求1、2和6任一项所述的组焊装置,其中,所述焊枪包括喷嘴和喷嘴帽,所述喷嘴帽套设于所述喷嘴上,所述喷嘴帽的下方固定有支撑座,所述支撑座包括底座,所述底座的两端均竖直设置有侧板,所述侧板上对应开设有支撑槽,所述喷嘴帽位于所述支撑槽内,且所述喷嘴帽上固定有阻挡部件,所述阻挡部件位于两个侧板之间,所述焊枪伸缩机构为焊枪伸缩气缸,所述焊枪伸缩气缸连接焊枪驱动喷嘴水平移动。
  8. 根据权利要求7所述的组焊装置,其中,所述阻挡部件为通过锁紧螺栓固定套于所述喷嘴帽外的喷嘴夹具,所述支撑槽为“U”型槽,其宽度配合所述喷嘴帽的外径设置,所述两个侧板之间的间距小于所述喷嘴帽的长度。
  9. 一种组焊装置方法,包括:
    将沿竖直方向码垛后的集成型钢放置于输送辊上,由压料装置在竖直方向上对集成型钢进行限位,并由所述第一竖夹送辊和所述第二竖夹送辊在水平方向上对集成型钢进行限位;
    控制所述第一竖夹送辊和所述第二竖夹送辊转动,带动集成型钢移动预定位置,使集成型钢两侧对称设置的与对应集成型钢焊缝的多个预焊焊枪,对所有焊缝进行预焊接;
    控制集成型钢继续移动,使得集成型钢两侧对称设置的对应集成型钢焊缝设置的多个复焊焊枪对至少一个所述焊缝进行复焊接。
  10. 根据权利要求9所述的组焊装置,其中,所述预焊接的预焊量为满焊量的1/3。
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