WO2019056648A1 - Dedicated spot welder shared by various door frame mid-pillars - Google Patents

Dedicated spot welder shared by various door frame mid-pillars Download PDF

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Publication number
WO2019056648A1
WO2019056648A1 PCT/CN2017/120001 CN2017120001W WO2019056648A1 WO 2019056648 A1 WO2019056648 A1 WO 2019056648A1 CN 2017120001 W CN2017120001 W CN 2017120001W WO 2019056648 A1 WO2019056648 A1 WO 2019056648A1
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WO
WIPO (PCT)
Prior art keywords
working platform
spot welding
cylinder
frame
plate clamping
Prior art date
Application number
PCT/CN2017/120001
Other languages
French (fr)
Chinese (zh)
Inventor
田憬
Original Assignee
广州敏惠汽车零部件有限公司
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Filing date
Publication date
Application filed by 广州敏惠汽车零部件有限公司 filed Critical 广州敏惠汽车零部件有限公司
Publication of WO2019056648A1 publication Critical patent/WO2019056648A1/en

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Classifications

    • 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
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/10Spot welding; Stitch welding
    • B23K11/11Spot welding
    • 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
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/36Auxiliary equipment
    • 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
    • B23K37/0435Clamps
    • B23K37/0443Jigs
    • 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
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/006Vehicles

Definitions

  • the invention relates to a spot welding device in the field of automobile parts production research, in particular to a special spot welding machine capable of sharing a plurality of door frames.
  • each model requires a dedicated spot welding device.
  • the spot welding equipment can weld the left and right parts of the column of the same type of door frame, but there is only one spot welding head in each spot welding equipment, and the spot welding of the column in one door frame requires multiple adjustment of the middle column or spot welding of the door panel. The position of the head can be welded.
  • the prior art has the following problems: a spot welding equipment needs to be equipped with one operator per day, and the labor cost is high; the beat is low, generally 90 PCS/H; the number of occupied equipment is large, and the floor space is large.
  • the object of the present invention is to provide a pillar spot welding machine capable of sharing a plurality of door frames, which adjusts the positions of the respective spot welding units through the X-axis driving motor and the Y-axis sliding rail, so that it is suitable for different types of door frame columns.
  • a special spot welding machine capable of sharing a plurality of door frames, comprising a base and a plurality of L-shaped connecting frames, wherein the first working platform is arranged on the frame, and the first working platform is arranged a second working platform above the working platform and a first vertical surface connecting the first working platform and the second working platform, the second working platform and the first vertical surface are arranged with Y-axis slide rails, all of which are
  • the connecting frame is mounted on the Y-axis slide rail and reciprocates along the Y-axis slide rail.
  • Each of the connecting brackets is arranged with an X-axis driving motor, and each of the X-axis driving motors passes through the connecting block and a Z-shaped mounting bracket.
  • each of the mounting brackets is provided with a spot welding unit
  • the first working platform is arranged with a contour positioning fixture
  • the first vertical surface is arranged with a plurality of Y-axis driving motors, each of which The Y-axis drive motors are each connected to a connecting frame.
  • the mounting frame includes a first frame body parallel to the second working platform, a second frame body parallel to the first vertical surface, and a third frame body parallel to the first working platform.
  • the spot welding unit includes a welding power source mounted on the first frame body, an upper welding cylinder disposed on the second frame body, and a lower welding cylinder disposed on the third frame body, the action end of the upper welding cylinder An upper electrode tip is disposed, and a lower electrode tip is disposed on an action end of the lower welding cylinder.
  • the connecting frame comprises a fourth frame body parallel to the second working platform and a fifth frame body parallel to the first vertical surface, and the upper end surface of the fourth frame body is arranged with X a shaft slide rail, an X-axis chute is arranged on the fourth frame, the X-axis drive motor is mounted on a lower end surface of the fourth frame body, the connecting block passes through the X-axis chute and bypasses the X-axis slide rail After the side, the connecting block is connected to the lower end surface of the first frame, and the first frame is mounted on the X-axis slide rail and reciprocates along the X-axis slide rail.
  • the lower electrode tip is fixed to the action end of the lower welding cylinder through a lower electrode connecting rod, and the outer surface of the lower electrode connecting rod is provided with a first spring.
  • the profiling positioning fixture is mounted on the first working platform by two first pillars, and the outer side of each of the first pillars is arranged with a bracket, and the bracket is arranged on the bracket
  • the upper end surface of the mounting seat is provided with a pressing plate for pressing the contour positioning fixture.
  • the profiling positioning fixture comprises a contour positioning plate, a contour positioning block arranged on the contour positioning plate, a plurality of outer plate clamping cylinders and a plurality of inner plate clamping cylinders.
  • the contour positioning block is arranged with a contoured positioning cavity
  • the inner plate clamping cylinder is directly mounted on the contour positioning plate
  • the inner end clamping cylinder is arranged with an inner plate clamping block
  • the inner plate The clamping block moves along the X-axis direction along the action end of the inner plate clamping cylinder
  • the outer plate clamping cylinder is mounted on the contour positioning plate through the second column
  • the action end of the outer plate clamping cylinder is disposed outside a plate clamping block
  • one end of the outer plate clamping block is hinged on the second column
  • the free end of the outer plate clamping plate is L-shaped
  • the front side of the second column is arranged with an outer plate positioning block
  • the outer plate is clamped
  • An outer plate clamping space is formed between the free end
  • the invention has the beneficial effects that the invention reciprocates along the Y-axis slide rail by the connecting frame and the X-axis driving motor drives the Z-shaped mounting frame to reciprocate in the X-axis direction, and each connecting frame is driven by a Y-axis driving motor. Then each spot welding unit can be adjusted to the appropriate position, so that it can be used in the spot welding of different types of door frames, reducing equipment investment and reducing the floor space.
  • the invention realizes the spot welding of the middle pillar spot welding at the same time, the tempo is increased from 90PCS/H to 270PCS/H, and the operator is reduced from 3 ⁇ 4 people to 1 person, which reduces the labor cost.
  • Figure 1 is a schematic view of an angle of the present invention
  • Figure 2 is a schematic view of another angle of the present invention.
  • Figure 3 is a side view of the present invention.
  • a special spot welding machine capable of sharing a plurality of door frames, including a base and a plurality of L-shaped connecting frames 6, wherein the first work platform 1 is disposed on the machine base a second working platform 2 above the platform 1 and a first vertical surface 3 connecting the first working platform 1 and the second working platform 2, and the Y-axis sliding is arranged on the second working platform 2 and the first vertical surface 3 Rail 4, all of the connecting brackets 6 are mounted on the Y-axis slide rail 4 and reciprocally moved along the Y-axis slide rail 4, and each of the connecting brackets 6 is arranged with an X-axis driving motor 7, each of which is driven by the X-axis The motor 7 is connected to a Z-shaped mounting frame 8 via a connecting block 18, and each of the mounting brackets 8 is provided with a spot welding unit, and the first working platform 1 is provided with a contour positioning fixture, the first A plurality of Y-axis drive motors 5 are arranged on a vertical face 3, and each
  • Each spot welding unit is adjusted to the proper position, so that it can be used in the spot welding of different types of door frames, reducing equipment investment and reducing the floor space.
  • the invention realizes the spot welding of the middle pillar spot welding at the same time, the tempo is increased from 90PCS/H to 270PCS/H, and the operator is reduced from 3 ⁇ 4 people to 1 person, which reduces the labor cost.
  • the mounting frame 8 includes a first frame 80 parallel to the second working platform 2, a second frame 81 parallel to the first vertical surface 3, and a parallel to the first working platform 1. a third frame 82, the spot welding unit including a welding power source mounted on the first frame body 80, an upper welding cylinder disposed on the second frame body 81, and a lower welding cylinder 11 disposed on the third frame body 82 An upper electrode tip 9 is disposed on the action end of the upper welding cylinder, and a lower electrode tip is disposed on the action end of the lower welding cylinder 11.
  • the connecting frame 6 comprises a fourth frame body 60 parallel to the second working platform 2 and a fifth frame body 61 parallel to the first vertical surface 3, the fourth frame body 60
  • An X-axis slide rail 19 is disposed on the upper end surface, and an X-axis slide groove 20 is disposed on the fourth frame body 60.
  • the X-axis slide groove 20 limits the stroke of the mounting bracket 8 in the X-axis direction, and the X-axis drive motor 7 is installed at the a lower end surface of the four frame body 60, the connecting block 18 passes through the X-axis chute 20 and bypasses both sides of the X-axis slide rail 19, and the connecting block is connected to the lower end surface of the first frame body 80, the first frame The body 80 is mounted on the X-axis slide rail 19 and reciprocates along the X-axis slide rail 19. Since the mounting bracket 8 and the spot welding unit are both mounted on the connecting frame 6, the connecting bracket 6 adjusts the corresponding position with the Y-axis driving cylinder movement, since the upper electrode head and the lower electrode head in the same spot welding unit are installed.
  • the X-axis drive cylinder adjusts the position of the mounting bracket 8 so that the upper and lower electrode tips in the same spot welding unit are moved to the proper position.
  • the lower electrode tip is fixed to the action end of the lower welding cylinder 11 by a lower electrode connecting rod, and the outer surface of the lower electrode connecting rod is provided with the first spring 10.
  • the first spring 10 and the lower welding cylinder 11 communicate a floating mechanism that automatically floats to compensate for electrode wear.
  • the profiling fixture is mounted on the first working platform 1 by two first pillars, and the outer side of each of the first pillars is arranged with a bracket, and the bracket is arranged on the bracket.
  • the lower end surface of the bracket is arranged with a die-changing cylinder 15, and the action end of the die-changing cylinder 15 passes through the bracket and is located at the mounting seat 16.
  • the upper end surface of the mounting seat 16 is provided with a pressing plate 17 for pressing the contour positioning fixture. After the pressing plate 17 is fixed to the mounting seat 16 by bolts, the contour positioning fixture is pressed and positioned.
  • the bolts on the pressing plate 17 are first unscrewed and the pressing plate 17 is taken out, and the operating ends of the die-changing cylinders 15 on both sides are simultaneously upward. After the ejector, the profiling fixture is ejected, which is convenient for the operator to remove the jig and replace the new jig.
  • the profiling positioning fixture comprises a contoured positioning plate 12, a contoured positioning block disposed on the contoured positioning plate 12, a plurality of outer plate clamping cylinders 14 and a plurality of inner plate clamping
  • the cylinder 13 is provided with a contoured positioning cavity on the contour positioning block, the inner plate clamping cylinder 13 is directly mounted on the contour positioning plate 12, and the inner end of the inner plate clamping cylinder 13 is arranged with an inner plate clamping.
  • the inner plate clamping block moves along the X-axis direction along with the action end of the inner plate clamping cylinder 13, and the outer plate clamping cylinder 14 is mounted on the contoured positioning plate 12 through the second upright, the outer plate
  • An action end of the clamping cylinder 14 is disposed with an outer plate clamping block, one end of the outer plate clamping block is hinged on the second column, the free end of the outer plate clamping plate is L-shaped, and the front side of the second column is arranged
  • the electric welding device is first adjusted to the appropriate position by the X-axis drive motor 7 and the Z-axis drive motor.
  • the outer plate is placed on the inner plate, and the inner plate is clamped.
  • the cylinder 13 and the outer plate clamping cylinder 14 work, the corresponding workpieces are fixed, and the upper welding cylinder and the lower welding cylinder 11 in each spot welding unit simultaneously drive the upper electrode head and the lower electrode head close to the workpiece to realize simultaneous welding of multiple parts.
  • the inner plate clamping cylinder 13 and the outer plate clamping cylinder 14 are reset, the column frame is taken out, and the new inner plate and outer plate are placed in a proper position and welded.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Resistance Welding (AREA)

Abstract

Disclosed is a dedicated spot welder shared by various door frame mid-pillars. The dedicated spot welder comprises a machine seat and connecting frames (6), wherein a first working platform (1), a second working platform (2) and a first vertical face (3) are arranged on the machine seat; a Y-axis slide rail (4) is respectively arranged on the second working platform and the first vertical face; all the connecting frames move back and forth along the Y-axis slide rails after being mounted onto the Y-axis slide rails; an X-axis drive motor (7) is respectively arranged in the connecting frames; each X-axis drive motor is connected to a Z-shaped mounting frame (8) by means of a connecting block (18); each mounting frame is provided with a spot welding unit; a copying positioning jig is arranged on the first working platform; several Y-axis drive motors (5) are arranged on the first vertical face; and each Y-axis drive motor is connected to one connecting frame (6), so that each spot welding unit can be adjusted to be at a suitable position. In this way, the dedicated spot welder can be applied to spot welding of different types of door frame mid-pillars, and realizes the simultaneous spot welding of multiple heads during mid-pillar spot welding, thereby improving the production efficiency.

Description

一种能共用多种门框中柱点焊专机  A joint spot welding machine capable of sharing various door frames
技术领域Technical field
本发明涉及汽车零部件生产研究领域中的一种点焊设备,特别是一种能共用多种门框中柱点焊专机。The invention relates to a spot welding device in the field of automobile parts production research, in particular to a special spot welding machine capable of sharing a plurality of door frames.
背景技术Background technique
在现有生产中,门框中柱有4种不同的型号,每种型号的门框中柱分成左件和右件。每个门框中柱又分为外板和内板,其中外板和内板之间一般有3个或者3个以上的点焊位置。每一个型号均需要配置一台专用的点焊设备。该点焊设备中可以焊接同一型号门框中柱的左件和右件,但是每台点焊设备中只有一个点焊头,一个门框中柱的点焊,需要多次调整门板中柱或者点焊头的位置才能完成焊接。总的来说,现有技术存在以下问题:每天点焊设备需要配置1名作业员,人力成本高;节拍低,一般为90PCS/H;占用设备数量多,占地面积大。In the existing production, there are 4 different models in the door frame column, and the door frame column of each model is divided into a left piece and a right piece. Each of the door frame columns is further divided into an outer plate and an inner plate, wherein there are generally three or more spot welding positions between the outer plate and the inner plate. Each model requires a dedicated spot welding device. The spot welding equipment can weld the left and right parts of the column of the same type of door frame, but there is only one spot welding head in each spot welding equipment, and the spot welding of the column in one door frame requires multiple adjustment of the middle column or spot welding of the door panel. The position of the head can be welded. In general, the prior art has the following problems: a spot welding equipment needs to be equipped with one operator per day, and the labor cost is high; the beat is low, generally 90 PCS/H; the number of occupied equipment is large, and the floor space is large.
发明内容Summary of the invention
本发明的目的,在于提供一种能共用多种门框中柱点焊专机,其通过X轴驱动电机和Y轴滑轨调整各个点焊单元的位置,使得其适用于不同型号的门框中柱。The object of the present invention is to provide a pillar spot welding machine capable of sharing a plurality of door frames, which adjusts the positions of the respective spot welding units through the X-axis driving motor and the Y-axis sliding rail, so that it is suitable for different types of door frame columns.
本发明解决其技术问题的解决方案是:一种能共用多种门框中柱点焊专机,包括机座以及若干个L状的连接架,所述机座上布置有第一工作平台、位于第一工作平台上方的第二工作平台以及连接第一工作平台和第二工作平台的第一竖直面,所述第二工作平台和第一竖直面上布置有Y轴滑轨,所有所述连接架安装在Y轴滑轨上后沿Y轴滑轨往复移动,每个所述连接架内布置有X轴驱动电机,每台所述X轴驱动电机通过连接块与一个Z状的安装架连接,每个所述安装架上布置有一个点焊单元,所述第一工作平台上布置有仿形定位治具,所述第一竖直面上布置有若干个Y轴驱动电机,每一个Y轴驱动电机分别与一个连接架连接。The solution to solve the technical problem of the present invention is: a special spot welding machine capable of sharing a plurality of door frames, comprising a base and a plurality of L-shaped connecting frames, wherein the first working platform is arranged on the frame, and the first working platform is arranged a second working platform above the working platform and a first vertical surface connecting the first working platform and the second working platform, the second working platform and the first vertical surface are arranged with Y-axis slide rails, all of which are The connecting frame is mounted on the Y-axis slide rail and reciprocates along the Y-axis slide rail. Each of the connecting brackets is arranged with an X-axis driving motor, and each of the X-axis driving motors passes through the connecting block and a Z-shaped mounting bracket. Connecting, each of the mounting brackets is provided with a spot welding unit, the first working platform is arranged with a contour positioning fixture, and the first vertical surface is arranged with a plurality of Y-axis driving motors, each of which The Y-axis drive motors are each connected to a connecting frame.
作为上述技术方案的进一步改进,所述安装架包括与第二工作平台平行的第一架体、与第一竖直面平行的第二架体以及与第一工作平台平行的第三架体,所述点焊单元包括安装在第一架体上的焊接电源、布置在第二架体上的上焊接气缸以及布置在第三架体上的下焊接气缸,所述上焊接气缸的动作端上布置有上电极头,所述下焊接气缸的动作端上布置有下电极头。As a further improvement of the above technical solution, the mounting frame includes a first frame body parallel to the second working platform, a second frame body parallel to the first vertical surface, and a third frame body parallel to the first working platform. The spot welding unit includes a welding power source mounted on the first frame body, an upper welding cylinder disposed on the second frame body, and a lower welding cylinder disposed on the third frame body, the action end of the upper welding cylinder An upper electrode tip is disposed, and a lower electrode tip is disposed on an action end of the lower welding cylinder.
作为上述技术方案的进一步改进,所述连接架包括与第二工作平台平行的第四架体和与第一竖直面平行的第五架体,所述第四架体的上端面布置有X轴滑轨,第四架体上布置有X轴滑槽,所述X轴驱动电机安装在第四架体的下端面,所述连接块穿过X轴滑槽且绕过X轴滑轨两侧后,连接块与第一架体的下端面连接,所述第一架体安装在X轴滑轨上后沿X轴滑轨往复移动。As a further improvement of the above technical solution, the connecting frame comprises a fourth frame body parallel to the second working platform and a fifth frame body parallel to the first vertical surface, and the upper end surface of the fourth frame body is arranged with X a shaft slide rail, an X-axis chute is arranged on the fourth frame, the X-axis drive motor is mounted on a lower end surface of the fourth frame body, the connecting block passes through the X-axis chute and bypasses the X-axis slide rail After the side, the connecting block is connected to the lower end surface of the first frame, and the first frame is mounted on the X-axis slide rail and reciprocates along the X-axis slide rail.
作为上述技术方案的进一步改进,所述下电极头通过下电极连接杆固定在下焊接气缸的动作端上,所述下电极连接杆的外表面套装有第一弹簧。As a further improvement of the above technical solution, the lower electrode tip is fixed to the action end of the lower welding cylinder through a lower electrode connecting rod, and the outer surface of the lower electrode connecting rod is provided with a first spring.
作为上述技术方案的进一步改进,所述仿形定位治具通过两个第一立柱安装在第一工作平台上,每个所述第一立柱的外侧面布置有托架,所述托架上布置有两个第一立柱以及套装在第一立柱上的安装座,托架的下端面布置有换模气缸,所述换模气缸的动作端穿过托架后位于在安装座的下方,所述安装座的上端面布置有将仿形定位治具压紧的压紧板。As a further improvement of the above technical solution, the profiling positioning fixture is mounted on the first working platform by two first pillars, and the outer side of each of the first pillars is arranged with a bracket, and the bracket is arranged on the bracket There are two first uprights and a mount seated on the first upright, the lower end surface of the bracket is arranged with a die change cylinder, and the action end of the die change cylinder passes through the bracket and is located below the mount, The upper end surface of the mounting seat is provided with a pressing plate for pressing the contour positioning fixture.
作为上述技术方案的进一步改进,所述仿形定位治具包括仿形定位板、布置在仿形定位板上的仿形定位块、若干个外板夹紧气缸和若干个内板夹紧气缸,所述仿形定位块上布置有仿形定位腔,所述内板夹紧气缸直接安装在仿形定位板上,内板夹紧气缸的动作端布置有内板夹紧块,所述内板夹紧块随着内板夹紧气缸的动作端沿着X轴方向运动,所述外板夹紧气缸通过第二立柱安装在仿形定位板上,外板夹紧气缸的动作端布置有外板夹紧块,所述外板夹紧块的一端铰接在第二立柱上,外板夹紧板的自由端呈L状,第二立柱的前侧面布置有外板定位块,外板夹紧板的自由端和外板定位块之间形成外板夹紧空间。As a further improvement of the above technical solution, the profiling positioning fixture comprises a contour positioning plate, a contour positioning block arranged on the contour positioning plate, a plurality of outer plate clamping cylinders and a plurality of inner plate clamping cylinders. The contour positioning block is arranged with a contoured positioning cavity, the inner plate clamping cylinder is directly mounted on the contour positioning plate, and the inner end clamping cylinder is arranged with an inner plate clamping block, the inner plate The clamping block moves along the X-axis direction along the action end of the inner plate clamping cylinder, and the outer plate clamping cylinder is mounted on the contour positioning plate through the second column, and the action end of the outer plate clamping cylinder is disposed outside a plate clamping block, one end of the outer plate clamping block is hinged on the second column, the free end of the outer plate clamping plate is L-shaped, and the front side of the second column is arranged with an outer plate positioning block, and the outer plate is clamped An outer plate clamping space is formed between the free end of the plate and the outer plate positioning block.
本发明的有益效果是:本发明通过连接架沿Y轴滑轨往复移动以及X轴驱动电机驱使Z状的安装架沿X轴方向往复移动,并且每一个连接架通过一个Y轴驱动电机驱使,那么可以将每一个点焊单元调整到适当的位置,这样,可以用于不同型号的门框中柱点焊中,减少设备投入,减少占地面积。本发明实现中柱点焊多头同时点焊,节拍由90PCS/H提升至270PCS/H,操作人员从3~4人减至1人,降低人力成本。The invention has the beneficial effects that the invention reciprocates along the Y-axis slide rail by the connecting frame and the X-axis driving motor drives the Z-shaped mounting frame to reciprocate in the X-axis direction, and each connecting frame is driven by a Y-axis driving motor. Then each spot welding unit can be adjusted to the appropriate position, so that it can be used in the spot welding of different types of door frames, reducing equipment investment and reducing the floor space. The invention realizes the spot welding of the middle pillar spot welding at the same time, the tempo is increased from 90PCS/H to 270PCS/H, and the operator is reduced from 3~4 people to 1 person, which reduces the labor cost.
附图说明DRAWINGS
为了更清楚地说明本发明实施例中的技术方案,下面将对实施例描述中所需要使用的附图作简单说明。显然,所描述的附图只是本发明的一部分实施例,而不是全部实施例,本领域的技术人员在不付出创造性劳动的前提下,还可以根据这些附图获得其他设计方案和附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is apparent that the described drawings are only a part of the embodiments of the present invention, and not all of the embodiments, and those skilled in the art can obtain other designs and drawings according to the drawings without any creative work.
图1是本发明某一角度的示意图;Figure 1 is a schematic view of an angle of the present invention;
图2是本发明另一角度的示意图;Figure 2 is a schematic view of another angle of the present invention;
图3是本发明的侧视图。Figure 3 is a side view of the present invention.
具体实施方式Detailed ways
以下将结合实施例和附图对本发明的构思、具体结构及产生的技术效果进行清楚、完整地描述,以充分地理解本发明的目的、特征和效果。显然,所描述的实施例只是本发明的一部分实施例,而不是全部实施例,基于本发明的实施例,本领域的技术人员在不付出创造性劳动的前提下所获得的其他实施例,均属于本发明保护的范围。另外,文中所提到的所有联接/连接关系,并非单指构件直接相接,而是指可根据具体实施情况,通过添加或减少联接辅件,来组成更优的联接结构。The concept, the specific structure and the technical effects of the present invention will be clearly and completely described in conjunction with the embodiments and the accompanying drawings in order to fully understand the objects, features and effects of the present invention. It is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments, based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative efforts belong to The scope of protection of the present invention. In addition, all the coupling/joining relationships mentioned in the text are not directly connected to the components, but rather may constitute a better coupling structure by adding or reducing the coupling accessories according to the specific implementation.
参照图1~图3,一种能共用多种门框中柱点焊专机,包括机座以及若干个L状的连接架6,所述机座上布置有第一工作平台1、位于第一工作平台1上方的第二工作平台2以及连接第一工作平台1和第二工作平台2的第一竖直面3,所述第二工作平台2和第一竖直面3上布置有Y轴滑轨4,所有所述连接架6安装在Y轴滑轨4上后沿Y轴滑轨4往复移动,每个所述连接架6内布置有X轴驱动电机7,每台所述X轴驱动电机7通过连接块18与一个Z状的安装架8连接,每个所述安装架8上布置有一个点焊单元,所述第一工作平台1上布置有仿形定位治具,所述第一竖直面3上布置有若干个Y轴驱动电机5,每一个Y轴驱动电机5分别与一个连接架6连接。Referring to FIG. 1 to FIG. 3, a special spot welding machine capable of sharing a plurality of door frames, including a base and a plurality of L-shaped connecting frames 6, wherein the first work platform 1 is disposed on the machine base a second working platform 2 above the platform 1 and a first vertical surface 3 connecting the first working platform 1 and the second working platform 2, and the Y-axis sliding is arranged on the second working platform 2 and the first vertical surface 3 Rail 4, all of the connecting brackets 6 are mounted on the Y-axis slide rail 4 and reciprocally moved along the Y-axis slide rail 4, and each of the connecting brackets 6 is arranged with an X-axis driving motor 7, each of which is driven by the X-axis The motor 7 is connected to a Z-shaped mounting frame 8 via a connecting block 18, and each of the mounting brackets 8 is provided with a spot welding unit, and the first working platform 1 is provided with a contour positioning fixture, the first A plurality of Y-axis drive motors 5 are arranged on a vertical face 3, and each Y-axis drive motor 5 is connected to a connecting frame 6, respectively.
通过连接架6沿Y轴滑轨4往复移动以及X轴驱动电机7驱使Z状的安装架8沿X轴方向往复移动,并且每一个连接架6通过一个Y轴驱动电机5驱使,那么可以将每一个点焊单元调整到适当的位置,这样,可以用于不同型号的门框中柱点焊中,减少设备投入,减少占地面积。本发明实现中柱点焊多头同时点焊,节拍由90PCS/H提升至270PCS/H,操作人员从3~4人减至1人,降低人力成本。By reciprocating the carriage 6 along the Y-axis slide 4 and the X-axis drive motor 7 driving the Z-shaped mount 8 to reciprocate in the X-axis direction, and each of the brackets 6 is driven by a Y-axis drive motor 5, then Each spot welding unit is adjusted to the proper position, so that it can be used in the spot welding of different types of door frames, reducing equipment investment and reducing the floor space. The invention realizes the spot welding of the middle pillar spot welding at the same time, the tempo is increased from 90PCS/H to 270PCS/H, and the operator is reduced from 3~4 people to 1 person, which reduces the labor cost.
进一步作为优选的实施方式,所述安装架8包括与第二工作平台2平行的第一架体80、与第一竖直面3平行的第二架体81以及与第一工作平台1平行的第三架体82,所述点焊单元包括安装在第一架体80上的焊接电源、布置在第二架体81上的上焊接气缸以及布置在第三架体82上的下焊接气缸11,所述上焊接气缸的动作端上布置有上电极头9,所述下焊接气缸11的动作端上布置有下电极头。Further as a preferred embodiment, the mounting frame 8 includes a first frame 80 parallel to the second working platform 2, a second frame 81 parallel to the first vertical surface 3, and a parallel to the first working platform 1. a third frame 82, the spot welding unit including a welding power source mounted on the first frame body 80, an upper welding cylinder disposed on the second frame body 81, and a lower welding cylinder 11 disposed on the third frame body 82 An upper electrode tip 9 is disposed on the action end of the upper welding cylinder, and a lower electrode tip is disposed on the action end of the lower welding cylinder 11.
进一步作为优选的实施方式,所述连接架6包括与第二工作平台2平行的第四架体60和与第一竖直面3平行的第五架体61,所述第四架体60的上端面布置有X轴滑轨19,第四架体60上布置有X轴滑槽20,X轴滑槽20限制安装架8沿X轴方向的行程,所述X轴驱动电机7安装在第四架体60的下端面,所述连接块18穿过X轴滑槽20且绕过X轴滑轨19两侧后,连接块与第一架体80的下端面连接,所述第一架体80安装在X轴滑轨19上后沿X轴滑轨19往复移动。由于安装架8和点焊单元均安装在连接架6上,连接架6随着Y轴驱动气缸移动调整相应的位置后,由于同一个点焊单元中的上电极头和下电极头均位于安装架8上,因此,同一个点焊单元中的上电极头和下电极头的相对位置不变。X轴驱动气缸调整安装架8的位置使得同一个点焊单元中的上电极头和下电极头移动到适当的位置。Further as a preferred embodiment, the connecting frame 6 comprises a fourth frame body 60 parallel to the second working platform 2 and a fifth frame body 61 parallel to the first vertical surface 3, the fourth frame body 60 An X-axis slide rail 19 is disposed on the upper end surface, and an X-axis slide groove 20 is disposed on the fourth frame body 60. The X-axis slide groove 20 limits the stroke of the mounting bracket 8 in the X-axis direction, and the X-axis drive motor 7 is installed at the a lower end surface of the four frame body 60, the connecting block 18 passes through the X-axis chute 20 and bypasses both sides of the X-axis slide rail 19, and the connecting block is connected to the lower end surface of the first frame body 80, the first frame The body 80 is mounted on the X-axis slide rail 19 and reciprocates along the X-axis slide rail 19. Since the mounting bracket 8 and the spot welding unit are both mounted on the connecting frame 6, the connecting bracket 6 adjusts the corresponding position with the Y-axis driving cylinder movement, since the upper electrode head and the lower electrode head in the same spot welding unit are installed. On the frame 8, therefore, the relative positions of the upper electrode tip and the lower electrode tip in the same spot welding unit are unchanged. The X-axis drive cylinder adjusts the position of the mounting bracket 8 so that the upper and lower electrode tips in the same spot welding unit are moved to the proper position.
进一步作为优选的实施方式,所述下电极头通过下电极连接杆固定在下焊接气缸11的动作端上,所述下电极连接杆的外表面套装有第一弹簧10。第一弹簧10和下焊接气缸11沟通一个浮动机构,可以自动浮动补偿电极磨损。Further, as a preferred embodiment, the lower electrode tip is fixed to the action end of the lower welding cylinder 11 by a lower electrode connecting rod, and the outer surface of the lower electrode connecting rod is provided with the first spring 10. The first spring 10 and the lower welding cylinder 11 communicate a floating mechanism that automatically floats to compensate for electrode wear.
进一步作为优选的实施方式,所述仿形定位治具通过两个第一立柱安装在第一工作平台1上,每个所述第一立柱的外侧面布置有托架,所述托架上布置有两个第一立柱以及套装在第一立柱上的安装座16,托架的下端面布置有换模气缸15,所述换模气缸15的动作端穿过托架后位于在安装座16的下方,所述安装座16的上端面布置有将仿形定位治具压紧的压紧板17。压紧板17通过螺栓固定在安装座16上后将仿形定位治具压紧定位。由于不同的信号需要不同的仿形定位治具,那么更换治具时,先将压紧板17上的螺栓旋出并将压紧板17取出后,两边的换模气缸15的动作端同时向上顶出后将仿形定位治具顶出,便于操作人员将治具取下,并更换新的治具。Further as a preferred embodiment, the profiling fixture is mounted on the first working platform 1 by two first pillars, and the outer side of each of the first pillars is arranged with a bracket, and the bracket is arranged on the bracket. There are two first columns and a mounting seat 16 fitted on the first column. The lower end surface of the bracket is arranged with a die-changing cylinder 15, and the action end of the die-changing cylinder 15 passes through the bracket and is located at the mounting seat 16. Below, the upper end surface of the mounting seat 16 is provided with a pressing plate 17 for pressing the contour positioning fixture. After the pressing plate 17 is fixed to the mounting seat 16 by bolts, the contour positioning fixture is pressed and positioned. Since the different signals require different contour positioning fixtures, when the fixture is replaced, the bolts on the pressing plate 17 are first unscrewed and the pressing plate 17 is taken out, and the operating ends of the die-changing cylinders 15 on both sides are simultaneously upward. After the ejector, the profiling fixture is ejected, which is convenient for the operator to remove the jig and replace the new jig.
进一步作为优选的实施方式,所述仿形定位治具包括仿形定位板12、布置在仿形定位板12上的仿形定位块、若干个外板夹紧气缸14和若干个内板夹紧气缸13,所述仿形定位块上布置有仿形定位腔,所述内板夹紧气缸13直接安装在仿形定位板12上,内板夹紧气缸13的动作端布置有内板夹紧块,所述内板夹紧块随着内板夹紧气缸13的动作端沿着X轴方向运动,所述外板夹紧气缸14通过第二立柱安装在仿形定位板12上,外板夹紧气缸14的动作端布置有外板夹紧块,所述外板夹紧块的一端铰接在第二立柱上,外板夹紧板的自由端呈L状,第二立柱的前侧面布置有外板定位块,外板夹紧板的自由端和外板定位块之间形成外板夹紧空间。Further as a preferred embodiment, the profiling positioning fixture comprises a contoured positioning plate 12, a contoured positioning block disposed on the contoured positioning plate 12, a plurality of outer plate clamping cylinders 14 and a plurality of inner plate clamping The cylinder 13 is provided with a contoured positioning cavity on the contour positioning block, the inner plate clamping cylinder 13 is directly mounted on the contour positioning plate 12, and the inner end of the inner plate clamping cylinder 13 is arranged with an inner plate clamping. a block, the inner plate clamping block moves along the X-axis direction along with the action end of the inner plate clamping cylinder 13, and the outer plate clamping cylinder 14 is mounted on the contoured positioning plate 12 through the second upright, the outer plate An action end of the clamping cylinder 14 is disposed with an outer plate clamping block, one end of the outer plate clamping block is hinged on the second column, the free end of the outer plate clamping plate is L-shaped, and the front side of the second column is arranged There is an outer plate positioning block, and an outer plate clamping space is formed between the free end of the outer plate clamping plate and the outer plate positioning block.
生产时,先通过X轴驱动电机7和Z轴驱动电机将电焊装置调整到合适的位置,先将内板放到仿形定位腔中后,将外板放置到内板上,内板夹紧气缸13和外板夹紧气缸14工作后将相应的工件固定,各点焊单元中的上焊接气缸和下焊接气缸11同时驱使上电极头和下电极头靠近工件上,实现多部位同时焊接。焊接结束后,内板夹紧气缸13和外板夹紧气缸14复位,将门框中柱取出,将新的内板和外板放置到合适的位置,焊接。During production, the electric welding device is first adjusted to the appropriate position by the X-axis drive motor 7 and the Z-axis drive motor. After the inner plate is placed in the contoured positioning cavity, the outer plate is placed on the inner plate, and the inner plate is clamped. After the cylinder 13 and the outer plate clamping cylinder 14 work, the corresponding workpieces are fixed, and the upper welding cylinder and the lower welding cylinder 11 in each spot welding unit simultaneously drive the upper electrode head and the lower electrode head close to the workpiece to realize simultaneous welding of multiple parts. After the welding is finished, the inner plate clamping cylinder 13 and the outer plate clamping cylinder 14 are reset, the column frame is taken out, and the new inner plate and outer plate are placed in a proper position and welded.
以上是对本发明的较佳实施方式进行了具体说明,但本发明创造并不限于所述实施例,熟悉本领域的技术人员在不违背本发明精神的前提下还可作出种种的等同变型或替换,这些等同的变型或替换均包含在本申请权利要求所限定的范围内。The above is a detailed description of the preferred embodiments of the present invention, but the invention is not limited to the embodiments, and various modifications and substitutions can be made by those skilled in the art without departing from the spirit of the invention. Such equivalent modifications or alternatives are intended to be included within the scope of the claims.

Claims (6)

  1. 一种能共用多种门框中柱点焊专机,其特征在于:包括机座以及若干个L状的连接架,所述机座上布置有第一工作平台、位于第一工作平台上方的第二工作平台以及连接第一工作平台和第二工作平台的第一竖直面,所述第二工作平台和第一竖直面上布置有Y轴滑轨,所有所述连接架安装在Y轴滑轨上后沿Y轴滑轨往复移动,每个所述连接架内布置有X轴驱动电机,每台所述X轴驱动电机通过连接块与一个Z状的安装架连接,每个所述安装架上布置有一个点焊单元,所述第一工作平台上布置有仿形定位治具,所述第一竖直面上布置有若干个Y轴驱动电机,每一个Y轴驱动电机分别与一个连接架连接。 A special spot welding machine capable of sharing a plurality of door frames, comprising: a machine base and a plurality of L-shaped connecting frames, wherein the machine seat is arranged with a first working platform and a second position above the first working platform a working platform and a first vertical plane connecting the first working platform and the second working platform, the second working platform and the first vertical plane are arranged with Y-axis slide rails, all of the connecting brackets are mounted on the Y-axis slide The rails are reciprocated along the Y-axis slide rails, and each of the connecting brackets is arranged with an X-axis driving motor, and each of the X-axis driving motors is connected to a Z-shaped mounting frame through a connecting block, each of the mountings A spot welding unit is arranged on the frame, and a contour positioning fixture is arranged on the first working platform, and a plurality of Y-axis driving motors are arranged on the first vertical surface, and each Y-axis driving motor is respectively provided with one Connection bracket connection.
  2. 根据权利要求1所述的能共用多种门框中柱点焊专机,其特征在于:所述安装架包括与第二工作平台平行的第一架体、与第一竖直面平行的第二架体以及与第一工作平台平行的第三架体,所述点焊单元包括安装在第一架体上的焊接电源、布置在第二架体上的上焊接气缸以及布置在第三架体上的下焊接气缸,所述上焊接气缸的动作端上布置有上电极头,所述下焊接气缸的动作端上布置有下电极头。 The pillar spot welding machine capable of sharing a plurality of door frames according to claim 1, wherein the mounting frame comprises a first frame parallel to the second working platform and a second frame parallel to the first vertical surface. And a third frame parallel to the first working platform, the spot welding unit comprising a welding power source mounted on the first frame body, an upper welding cylinder disposed on the second frame body, and being disposed on the third frame body The lower welding cylinder is provided with an upper electrode tip on the action end of the upper welding cylinder, and a lower electrode tip is arranged on the action end of the lower welding cylinder.
  3. 根据权利要求2所述的能共用多种门框中柱点焊专机,其特征在于:所述连接架包括与第二工作平台平行的第四架体和与第一竖直面平行的第五架体,所述第四架体的上端面布置有X轴滑轨,第四架体上布置有X轴滑槽,所述X轴驱动电机安装在第四架体的下端面,所述连接块穿过X轴滑槽且绕过X轴滑轨两侧后,连接块与第一架体的下端面连接,所述第一架体安装在X轴滑轨上后沿X轴滑轨往复移动。 The pillar spot welding machine capable of sharing a plurality of door frames according to claim 2, wherein: said connecting frame comprises a fourth frame parallel to the second working platform and a fifth frame parallel to the first vertical surface The X-axis slide rail is disposed on the upper end surface of the fourth frame body, the X-axis slide groove is disposed on the fourth frame body, and the X-axis drive motor is mounted on the lower end surface of the fourth frame body, the connection block After passing through the X-axis chute and bypassing both sides of the X-axis slide rail, the connecting block is connected to the lower end surface of the first frame body, and the first frame body is mounted on the X-axis slide rail and reciprocates along the X-axis slide rail .
  4. 根据权利要求2所述的能共用多种门框中柱点焊专机,其特征在于:所述下电极头通过下电极连接杆固定在下焊接气缸的动作端上,所述下电极连接杆的外表面套装有第一弹簧。 The pillar spot welding machine capable of sharing a plurality of door frames according to claim 2, wherein the lower electrode tip is fixed to the action end of the lower welding cylinder through a lower electrode connecting rod, and the outer surface of the lower electrode connecting rod The suit has a first spring.
  5. 根据权利要求1所述的能共用多种门框中柱点焊专机,其特征在于:所述仿形定位治具通过两个第一立柱安装在第一工作平台上,每个所述第一立柱的外侧面布置有托架,所述托架上布置有两个第一立柱以及套装在第一立柱上的安装座,托架的下端面布置有换模气缸,所述换模气缸的动作端穿过托架后位于在安装座的下方,所述安装座的上端面布置有将仿形定位治具压紧的压紧板。 The pillar spot welding machine capable of sharing a plurality of door frames according to claim 1, wherein the profile positioning fixture is mounted on the first working platform by two first pillars, each of the first pillars a bracket is disposed on the outer side of the bracket, and two brackets are disposed on the bracket, and a mounting seat is disposed on the first pillar. The lower end surface of the bracket is disposed with a die-changing cylinder, and the working end of the die-changing cylinder After passing through the bracket, it is located below the mount, and the upper end surface of the mount is provided with a pressing plate for pressing the contour positioning fixture.
  6. 根据权利要求1~5任一项所述的能共用多种门框中柱点焊专机,其特征在于:所述仿形定位治具包括仿形定位板、布置在仿形定位板上的仿形定位块、若干个外板夹紧气缸和若干个内板夹紧气缸,所述仿形定位块上布置有仿形定位腔,所述内板夹紧气缸直接安装在仿形定位板上,内板夹紧气缸的动作端布置有内板夹紧块,所述内板夹紧块随着内板夹紧气缸的动作端沿着X轴方向运动,所述外板夹紧气缸通过第二立柱安装在仿形定位板上,外板夹紧气缸的动作端布置有外板夹紧块,所述外板夹紧块的一端铰接在第二立柱上,外板夹紧板的自由端呈L状,第二立柱的前侧面布置有外板定位块,外板夹紧板的自由端和外板定位块之间形成外板夹紧空间。 The spot welding machine capable of sharing a plurality of door frames according to any one of claims 1 to 5, wherein the contour positioning fixture comprises a contour positioning plate and a contour arranged on the contour positioning plate. a positioning block, a plurality of outer plate clamping cylinders and a plurality of inner plate clamping cylinders, wherein the profiling positioning block is arranged with a contoured positioning cavity, and the inner plate clamping cylinder is directly mounted on the profiling positioning plate, The action end of the plate clamping cylinder is arranged with an inner plate clamping block that moves along the X-axis direction along with the action end of the inner plate clamping cylinder, the outer plate clamping cylinder passing the second column Mounted on the contour positioning plate, the action end of the outer plate clamping cylinder is arranged with an outer plate clamping block, one end of the outer plate clamping block is hinged on the second column, and the free end of the outer plate clamping plate is L The front side of the second column is arranged with an outer plate positioning block, and an outer plate clamping space is formed between the free end of the outer plate clamping plate and the outer plate positioning block.
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