CN115041882A

CN115041882A - Pressing-fixing type automobile water falling groove panel welding device, system and method

Info

Publication number: CN115041882A
Application number: CN202210960999.9A
Authority: CN
Inventors: 张扬; 宋黎; 何文宝; 霍泽林
Original assignee: Suzhou Haitai Automobile Technology Co ltd
Current assignee: Suzhou Haitai Automobile Technology Co ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2022-09-13
Anticipated expiration: 2042-08-11
Also published as: CN115041882B

Abstract

The invention discloses a press-fixed type welding device, system and method for a vehicle water-falling groove panel, which comprises a welding robot, a welding robot and a welding part, wherein the welding robot comprises a first driving part and a welding part; the press-fitting assembly comprises a second driving piece, a first connecting piece, a first press-fitting piece, a third driving piece and a second press-fitting piece, the second driving piece is installed on one side of the workpiece to be welded, the third driving piece is installed on the other side of the workpiece to be welded, one end of the second press-fitting piece is connected with the output end of the third driving piece, and the other end of the second press-fitting piece is abutted to a second installation part of the workpiece to be welded; and the compressing assembly comprises a fourth driving part, a second connecting part and a compressing part, the fourth driving part is arranged among the plurality of second driving parts, and the second connecting part is connected with the output end of the fourth driving part. The invention can automatically fix and weld the automobile water falling groove and ensure the stability of welding spots and indentation depth.

Description

Pressing-fixing type automobile water falling groove panel welding device, system and method

Technical Field

The invention belongs to the field of welding equipment for automobile water falling grooves, and particularly relates to a press-fixed type welding device, system and method for automobile water falling groove panels.

Background

The automobile water falling groove is a part which can be seen after the automobile shell is opened, and the surface processing quality requirement of the automobile water falling groove is extremely high; in the production and processing process of the automobile, an operator can weld the automobile water-falling groove panel;

at present, the welding of car groove panel that falls into water adopts manual welding, and it is tight through adopting universal fixturing to press from both sides, then carries out manual welding to the car groove that falls into water through the operation personnel manual work, however, manual welding makes the operation personnel can't accurately pinpoint the welding spot position welding, and universal fixturing centre gripping makes the indentation degree of depth can not guarantee, has the welding spot to beat by mistake, beat more, can't control the welding degree of depth, and the indentation degree of depth is not conform to the defect that standard, welding efficiency are low.

Therefore, there is a need for a welding device for a panel of an automobile sink tank, which can automatically fix and weld the automobile sink tank and ensure stable welding spots and stable indentation depth.

Disclosure of Invention

The invention aims to: in order to overcome the defects, the invention aims to provide the press-fixed type welding device for the automobile sink groove panel, which is simple in structure, reasonable in design, easy to produce, flexible in application and high in automation degree, can ensure welding spots and stable in depth of the welding spot indentation, and improves welding efficiency.

In order to solve the technical problem, the invention provides a press-fixing type welding device for a water falling groove panel of an automobile, which comprises:

the welding robot comprises a first driving piece and a welding piece, wherein the first driving piece is arranged at the operation end of the welding robot, and the welding piece is connected with the output end of the first driving piece;

the press-fitting assembly comprises second driving pieces, first connecting pieces, first press-fitting pieces, third driving pieces and second press-fitting pieces, the second driving pieces are installed on one sides of the workpieces to be welded, the first connecting pieces are connected with the output ends of the second driving pieces, one ends of the first press-fitting pieces are rotatably connected with the first connecting pieces, and the other ends of the first press-fitting pieces are abutted to first installation portions of the workpieces to be welded; the plurality of third driving pieces are arranged on the other side of the workpiece to be welded, one end of each second pressing piece is connected with the output end of the corresponding third driving piece, and the other end of each second pressing piece is abutted against the second mounting part of the workpiece to be welded;

the pressing assembly comprises a fourth driving part, a second connecting part and a pressing part, wherein the fourth driving part is arranged among the plurality of second driving parts and protrudes out of the second driving parts along the height direction; the second connecting piece is connected with the output end of the fourth driving piece, one end of the pressing piece is rotatably connected with the second connecting piece, and the other end of the pressing piece is abutted to the fastening portion of the workpiece to be welded.

Through adopting above-mentioned technical scheme, when can preventing the welding, the work piece rocks and causes the solder joint skew, and can will treat that the welded work piece carries out diversified compressing tightly fixedly, can guarantee that solder joint indentation degree of depth accords with the standard, can accurately find solder joint position welding, prevent that the solder joint from beating by mistake, beat more, can't control the problem of welding depth, and then can improve welding efficiency.

Preferably, still include welding frock, welding frock includes welding station, work piece and places the seat, and a plurality of work piece is placed the seat and is located welding station for place the work piece of waiting to weld.

By adopting the technical scheme, the adaptive welding tool can be selected according to the workpieces to be welded, so that the equipment cost generated by welding various workpieces is reduced.

Preferably, the welding part comprises a first mounting seat, a sliding rail and a second mounting seat, the first mounting seat is mounted at the operation end of the welding robot, and the sliding rail is mounted on the first mounting seat; one end of the second mounting seat is provided with a sliding block and is in sliding connection with the sliding rail through the sliding block, and the other end of the second mounting seat is fixedly connected with a welding head to be welded.

By adopting the technical scheme, the stability of the telescopic movement of the welding head can be improved, the deviation generated by the movement of the welding head is reduced, and the welding accuracy is further improved.

Preferably, the first connecting piece and the second connecting piece have the same structure and respectively comprise a first fixed seat, a first connecting rod, a second connecting rod and a third connecting rod, and two ends of the first connecting rod are respectively rotatably connected with the first fixed seat, the output end of the second driving piece or the output end of the fourth driving piece; one end of the second connecting rod is rotatably connected with the first fixing seat, and the other end of the second connecting rod is rotatably connected with the first pressing piece or the pressing piece; and two ends of the third connecting rod are respectively and rotatably connected with the second connecting rod and the output end of the second driving piece or the output end of the fourth driving piece.

By adopting the technical scheme, the rotating angle of the first pressing piece or the pressing piece can be increased, and then the contact precision of the first pressing piece, the pressing piece and the workpiece to be welded is increased.

Preferably, the first pressing and fixing part comprises a first transfer block, a first pressing arm and a second pressing arm, one end of the first transfer block is fixedly connected with a second connecting rod of the first pressing and fixing part, and the other end of the first transfer block is respectively connected with the first pressing arm and the second pressing arm; the first pressure arm and the second pressure arm are provided with first pressure rods.

Through adopting above-mentioned technical scheme, can increase and wait the conflict area of welded work piece, further strengthen the fixed of waiting the welded work piece.

Preferably, the second pressing and fixing part and the pressing part have the same structure and respectively comprise a third pressing arm, one end of the third pressing arm is fixedly connected with the output end of the third driving part or a second connecting rod of the fastener, and a second pressing rod is arranged at the other end of the third pressing arm.

Through adopting above-mentioned technical scheme, can laminate the surface of the work piece of treating welding, further strengthen the fixed of the work piece of treating welding.

The invention also provides a press-fixing type automobile water falling groove panel welding system, which comprises the press-fixing type automobile water falling groove panel welding device and further comprises:

the workbench comprises fifth driving pieces, a tool fixing piece, a guiding piece and a limiting piece, the fifth driving pieces are arranged in the workbench, and the tool fixing piece is rotatably connected with the output ends of the fifth driving pieces; the guide piece comprises a connecting shaft and a bearing, the connecting shaft is arranged on the workbench, and the bearing is sleeved on the connecting shaft and is rotatably connected with the connecting shaft; the limiting part is arranged at the limiting end of the workbench and at least partially protrudes out of the workbench along the height direction.

Through adopting above-mentioned technical scheme, the skew problem appears when can avoiding welding frock loading and unloading, and through fixed with welding frock, welding frock production rocks when avoiding welding, influences the welding effect.

Preferably, the tool fixing piece comprises a second fixing seat, a pressing block and a hinge, the second fixing seat is installed on the workbench, one end of the pressing block is connected with the output end of the fifth driving piece, and the other end of the pressing block abuts against the welding device; and two ends of the hinge are respectively and rotationally connected with the second fixing seat and the pressing block.

The invention also provides a press-fixed type automobile water-falling groove panel welding method, and a press-fixed type automobile water-falling groove panel welding system is used, and the method comprises the following steps:

step S1: fixing the welding tool;

step S2: the first pressing piece is made to rotate towards the first installation part of the workpiece to be welded, the first installation part of the workpiece to be welded is fixed, and meanwhile, the second pressing piece is made to rotate towards the second installation part of the workpiece to be welded, and the second installation part of the workpiece to be welded is fixed;

step S3: rotating the pressing piece to the fastening part of the workpiece to be welded to press the workpiece to be welded;

step S4: and (3) enabling the operation end of the welding robot to move along the first preset processing track, and simultaneously enabling the welding part to move along the second preset processing track, so as to weld the workpieces to be welded.

Preferably, the fixing method of the welding tool comprises the following steps:

step S10: moving the welding tool along the bearing to the welding station direction, and abutting the welding tool against the limiting piece;

step S11: and enabling the pressing block to move towards the welding tool to fix the welding tool.

Compared with the prior art, the technical scheme of the invention has the following advantages:

1. the invention relates to a press-fixed type automobile water-falling groove panel welding device, system and method, which can fix a workpiece to be welded, which is placed at a welding station, namely: the first installation part and the second installation part of the workpiece to be welded can be pressed and fixed, and the fastening part of the workpiece to be welded is pressed in a butting manner, so that the workpiece is prevented from shaking during welding to cause welding spot deviation;

2. an operator can set the press-fitting assembly and the pressing assembly to the adaptive height and angle according to the outline of the workpiece to be welded, and can press and fix the workpiece to be welded in multiple directions, so that the indentation depth of a welding spot is ensured to meet the standard;

3. the welding robot can accurately find the welding position of the welding spot for welding, so that the problems of mistaken welding spots, multiple welding spots and incapability of controlling the welding depth are prevented, and the welding efficiency is improved;

4. the welding fixture can be prevented from deviating when moving, and is fixed to avoid welding, the welding fixture shakes to influence the welding effect.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference will now be made in detail to the present disclosure, examples of which are illustrated in the accompanying drawings.

FIG. 1 is a perspective schematic view of a welding system of the present invention.

Fig. 2 is a perspective view of the welding robot of the present invention.

Fig. 3 is a first installation schematic of the weldment of the present invention.

Fig. 4 is a second installation schematic of the weldment of the present invention.

Fig. 5 is a perspective view of the welding tool of the present invention.

Fig. 6 is a schematic view of the installation of the first component of the welding tool of the present invention.

Fig. 7 is a schematic view of the second part of the welding tool of the present invention.

Fig. 8 is a first installation schematic of the first press fastener of the present invention.

Fig. 9 is a second installation schematic of the first press fastener of the present invention.

Fig. 10 is a first installation schematic of the second press fitting of the present invention.

Fig. 11 is a second installation schematic of the second press fastener of the invention.

Fig. 12 is a first installation schematic of the compression member of the present invention.

Fig. 13 is a second installation schematic of the compression member of the present invention.

Fig. 14 is a third installation schematic of the weldment of the present invention.

Fig. 15 is a schematic top view of the table of the present invention.

Fig. 16 is a first partial schematic view of the table of the present invention.

Fig. 17 is a second partial schematic view of the table of the present invention.

The specification reference numbers indicate: 1. a welding robot, 4, a welding tool, 5, a workbench, 6, a workpiece to be welded, 10, a first driving piece, 11, a welding piece, 12, a welding head, 13, an operation end of the welding robot, 20, a second driving piece, 21, a first connecting piece, 22, a first pressing piece, 23, a third driving piece, 24, a second pressing piece, 25, a first connecting seat, 26, a second connecting seat, 30, a fourth driving piece, 31, a second connecting piece, 32, a pressing piece, 33, a third connecting seat, 34, a fourth connecting seat, 35, a rapid clamp, 40, a welding station, 41, a workpiece placing seat, 50, a fifth driving piece, 51, a tool fixing piece, 52, a guiding piece, 53, a limiting piece, 54, a limiting end of the workbench, 60, a first installation part of the workpiece, 61, a second installation part of the workpiece, 62, a fastening part of the workpiece, 100, an output end of the first driving piece, 110, a first installation seat, 111. 112, a second mounting seat, 113, a sliding block, 114, a guide hole, 115, a guide rod, 116, a buffer, 200, a second driving part output end, 220, a first transfer block, 221, a first pressure arm, 222, a second pressure arm, 223, a first pressure rod, 230, a third driving part output end, 270, a first fixed seat, 271, a first connecting rod, 272, a second connecting rod, 273, a third connecting rod, 280, a third pressure arm, 281, a second pressure rod, 300, a fourth driving part output end, 500, a fifth driving part output end, 510, a second fixed seat, 511, a pressing block, 512, a hinge, 520, a connecting shaft, 521 and a bearing.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "second" or "first" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features, or indirectly contacting the first and second features through intervening media. Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements does not include a limitation to the listed steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Example one

Referring to fig. 1 to 7, an embodiment of a press-fixing type welding device for a sink panel of an automobile according to the present invention includes:

the welding robot 1 comprises a first driving piece 10 and a welding piece 11, wherein the first driving piece 10 is installed at an operation end 13 of the welding robot, and the welding piece 11 is connected with an output end 100 of the first driving piece;

the press-fitting assembly comprises a second driving piece 20, a first connecting piece 21, a first press-fitting piece 22, a third driving piece 23 and a second press-fitting piece 24, wherein the plurality of second driving pieces 20 are installed on one side of the workpiece 6 to be welded, the first connecting piece 21 is connected with the output end 200 of the second driving piece, one end of the first press-fitting piece 22 is rotatably connected with the first connecting piece 21, and the other end of the first press-fitting piece 22 is abutted against the first installation part 60 of the workpiece to be welded; a plurality of third driving pieces 23 are arranged on the other side of the workpiece 6 to be welded, one end of each second pressing piece 24 is connected with the output end 230 of the corresponding third driving piece, and the other end of each second pressing piece 24 is abutted against the second mounting part 61 of the workpiece to be welded;

the compressing assembly comprises a fourth driving part 30, a second connecting part 31 and a compressing part 32, wherein the fourth driving part 30 is arranged among the plurality of second driving parts 20 and protrudes out of the second driving parts 20 along the height direction; the second connecting piece 31 is connected with the output end of the fourth driving piece 30, one end of the pressing piece 32 is rotatably connected with the second connecting piece 31, and the other end of the pressing piece 32 is abutted against the workpiece fastening part 62 to be welded.

Referring to fig. 5-7, the welding fixture 4 is further included, the welding fixture 4 is installed on the workbench 5, the welding fixture 4 includes a welding station 40 and a workpiece placing seat 41, the workpiece placing seats 41 are arranged in the welding station 40, the workpiece placing seat 41 refers to the profiling design shown in fig. 5, is used for placing the workpiece 6 to be welded, and can be attached to the workpiece 6 to be welded through the profiling design.

The welding robot 1 can be any type of robot as long as it can drive the welding part 11 to move and weld the workpiece 6 to be welded, including but not limited to an electric industrial robot, a hydraulic industrial robot, a pneumatic industrial robot, and a mechanical industrial robot, and specifically, the model, size, number, and installation position of the welding robot 1 are set or adjusted by an operator according to actual production requirements and costs; the welding robot operating end 13 is shown with reference to fig. 2; the first driving device 10 drives the weldment 11 to move towards the workpiece 6 to be welded, the weldment 11 is provided with a welding head 12 for welding, the welding head 12 comprises but is not limited to a welding head 12 adopting melting welding, a welding head 12 adopting pressure welding and a welding head 12 adopting brazing, and the type, size, quantity and installation position of the welding head 12 are set or adjusted by operators according to actual production requirements and cost.

As shown in fig. 6 to 7, the welding device further includes a first connecting seat 25, the first connecting seats 25 are arranged in an array along a length direction of one end of the welding station 40, the second driving member 20 is mounted on the first connecting seat 25, the heights of the second driving member 20, the first connecting member 21 and the first pressing member 22 are adjusted by adjusting the height of the first connecting seat 25, and the angles of the first connecting member 21 and the first pressing member 22 are adjusted by adjusting the angle between the second driving member 20 and the first connecting seat 25, specifically, the height dimension of the first connecting seat 25 and the angle between the first connecting seat 25 and the second driving member 20 are set or adjusted by an operator according to actual production requirements and costs; one end of the first connecting piece 21 is rotatably connected with the output end 200 of the second driving piece, and the other end of the first connecting piece 21 is fixedly connected with the first pressing piece 22; the first connecting piece 21 is driven to rotate by the second driving piece 20, and then the first pressing piece 22 is driven to synchronously rotate by the first connecting piece 21, so that the first mounting part 60 of the workpiece placed at the welding station 40 is pressed and fixed or released; referring to fig. 6 to 7, the welding device further includes second connecting seats 26, the second connecting seats 26 are arranged in an array along a length direction of the other end of the welding station 40, the third driving members 23 are mounted on the second connecting seats 26, and the heights of the third driving members 23 and the second pressing and fixing members 24 are adjusted by adjusting the height of the second connecting seats 26, specifically, the height of the second connecting seats 26 is set or adjusted by an operator according to actual production requirements and costs; the second pressing and fixing piece 24 is fixedly connected with the output end 230 of the third driving piece; the third driving element 23 drives the second pressing piece 24 to rotate, and then the third driving element 23 drives the second pressing piece 24 to stretch and contract, so that the second mounting part 61 of the workpiece placed at the welding station 40 is pressed, fixed or released.

As shown in fig. 6 to 7, the welding device further includes third connecting seats 33, the plurality of third connecting seats 33 are arranged in an array along the length direction of the welding station 40, the fourth driving element 30 is mounted on the third connecting seats 33, and the heights of the fourth driving element 30, the second connecting element 31 and the pressing element 32 are adjusted by adjusting the height of the third connecting seats 33, and the angles of the second connecting element 31 and the pressing element 32 are adjusted by adjusting the angles of the fourth driving element 30 and the third connecting seats 33, specifically, the height dimension of the third connecting seats 33 and the angles of the third connecting seats 33 and the fourth driving element 30 are set or adjusted by an operator according to actual production requirements and costs; the pressing component protrudes out of the pressing component along the height direction and is used for pressing the middle area of the workpiece 6 to be welded, so that welding spot deviation caused by loosening of the workpiece during welding is prevented; one end of the second connecting piece 31 is rotatably connected with the output end 300 of the fourth driving piece, and the other end of the second connecting piece 31 is fixedly connected with the pressing piece 32; the fourth driving member 30 drives the second connecting member 31 to rotate, and then the second connecting member 31 drives the pressing member 32 to synchronously rotate, so as to press, fix or release the workpiece fastening part 62 placed at the welding station 40.

Preferably, the working principle of the press-fixing type water falling groove panel welding device is as follows:

placing a workpiece 6 to be welded on a workpiece placing seat 41 of a welding station 40, and attaching the workpiece 6 to the workpiece placing seat 41;

the first connecting piece 21 is driven by the second driving piece 20 to rotate towards the workpiece 6 to be welded, the first pressing piece 22 is driven by the first connecting piece 21 to synchronously rotate, and the first mounting part 60 of the workpiece to be welded is pressed and fixed by the first pressing piece 22; meanwhile, the third driving part 23 drives the first pressing part 22 to rotate towards the workpiece 6 to be welded, and further the third driving part 23 drives the first pressing part 22 to move towards the workpiece 6 to be welded, and the second pressing part 24 is used for pressing and fixing the second mounting part 61 of the workpiece to be welded;

the fourth driving part 30 drives the second connecting part 31 to rotate towards the workpiece 6 to be welded, and then the second connecting part 31 drives the pressing part 32 to synchronously rotate, and the pressing part 32 is used for pressing the fastening part 62 of the workpiece to be welded;

the welding robot 1 drives the welding part 11 to move along the welding operation track set by the operator, and then drives the welding head 12 to move synchronously through the welding part 11, and simultaneously drives the welding part 11 to move along the welding expansion track set by the operator through the first driving part 10, and drives the welding head 12 to move synchronously through the welding frame, so that the workpiece 6 to be welded is welded by the welding head 12.

By adopting the technical scheme, the first pressing piece 22 and the second pressing piece 24 are used for automatically pressing and fixing the side end of the workpiece 6 to be welded, and the pressing piece 32 is used for automatically pressing and fixing the middle part of the workpiece 6 to be welded, so that the workpiece is prevented from shaking to cause welding spot deviation during welding, namely wrong welding is prevented; the positions and the heights of the first pressing piece 22, the second pressing piece 24 and the pressing piece 32 are set according to the profile of the workpiece 6 to be welded, and the workpiece 6 to be welded can be pressed and fixed in multiple directions through automatic setting, so that the indentation depth of a welding spot can be ensured to meet the standard; through the matching of the welding robot 1 and the welding part 11, the welding position of the welding spot can be accurately found for welding, and the problems of wrong welding spot beating, excessive welding spot beating and incapability of controlling the welding depth are prevented; through the arrangement, the welding efficiency can be improved.

Referring to fig. 3-4, the weldment 11 includes a first mounting base 110, a slide rail 111, and a second mounting base 112;

the first mounting seat 110 is mounted on the welding robot operating end 13, the slide rail 111 is mounted on the first mounting seat 110, and the first driving member 10 is mounted on the first mounting seat 110;

one end of the second mounting base 112 is provided with a sliding block 113, the second mounting base 112 is slidably connected with the sliding rail 111 through the sliding block 113, and the other end of the second mounting base 112 is fixedly connected with the welding head 12 to be welded.

By adopting the technical scheme, the arrangement of the slide rail 111 can improve the stability of the telescopic movement of the welding head 12 and reduce the deviation generated by the movement of the welding head 12.

Example two

Referring to fig. 1-2, fig. 14 shows that the second embodiment is substantially the same as the first embodiment, except that:

in this embodiment, the first mounting seat 110 of the welding part 11 is provided with a guide hole 114, the slide rail 111 of the welding rack is replaced with a guide rod 115, and the welding part 11 further includes a buffer 116;

as shown in fig. 14, the first mounting seat 110 is fixedly connected to the operation end 13 of the welding robot and the first driving member 10; the guide rod 115 penetrates through the guide hole 114, one end of the guide rod 115 is fixedly connected with the second mounting seat 112, and the other end of the guide rod 115 is fixedly connected with the buffer 116; one end of the second mounting base 112 is fixedly connected to the guide rod 115 and the first driving member output end 100, respectively, and the other end of the second mounting base 112 is fixedly connected to the welding head 12 to be welded.

By adopting the above technical scheme, the second mounting base 112 is driven to move by the first driving part 10, the guide rod 115 and the welding head 12 to be welded are driven to move synchronously by the second mounting base 112, and then the guide rod 115 moves along the guide hole 114 of the first mounting base 110, so that the stability of the telescopic movement of the welding head 12 can be further improved, and the offset generated by the movement of the welding head 12 can be reduced.

EXAMPLE III

Referring to fig. 1, 6-13, the third embodiment is substantially the same as the first embodiment except that:

the first connecting piece 21 and the second connecting piece 31 have the same structure, and both comprise a first fixed seat 270, a first connecting rod 271, a second connecting rod 272 and a third connecting rod 273;

referring to fig. 8 to 9 and fig. 12 to 13, one end of the first link 271 is rotatably connected to the first fixing seat 270, and the other end of the first link 271 is rotatably connected to the second driving member output 200 or the fourth driving member output 300; one end of the second connecting rod 272 is rotatably connected with the first fixing seat 270, and the other end of the second connecting rod 272 is rotatably connected with the first pressing member 22 or the pressing member 32; one end of the third link 273 is rotatably connected to the second link 272, and the other end of the third link 273 is rotatably connected to the fourth driving member output end 300.

By adopting the above technical scheme, the second driving part 20 or the third driving part 23 drives the first connecting rod 271 to rotate along the first fixing seat 270, then the first connecting rod 271 drives the third connecting rod 273 to synchronously rotate, and then the third connecting rod 272 is driven to synchronously rotate along the first fixing seat 270 by the third two driving parts, so as to compress or release the first pressing part 22 or the pressing part 32 and the workpiece 6 to be welded; therefore, the rotation angle of the first pressing member 22 or the pressing member 32 is increased, and the contact precision of the first pressing member 22 or the pressing member 32 and the workpiece 6 to be welded is increased.

Referring to fig. 9, the first pressing member 22 includes a first transfer block 220, a first pressing arm 221, and a second pressing arm 222;

one end of the first transfer block 220 is fixedly connected to the second link 272 of the first press-fixing member 22, the other end of the first transfer block 220 is connected to the first press arm 221 and the second press arm 222, respectively, the first transfer block 220, the first press arm 221 and the second press arm 222 may be fixedly connected to each other, or may be integrally formed, and specifically set or adjusted by an operator according to production requirements and costs; the first pressing arm 221 and the second pressing arm 222 are provided with a first pressing rod 223.

By adopting the above technical scheme, through the first transfer block 220, the first pressure arm 221 and the second pressure arm 222, the contact area with the workpiece 6 to be welded can be increased, and the fixation of the workpiece 6 to be welded is further strengthened.

Referring to fig. 10-13, the second pressing member 24 and the pressing member 32 are identical in structure and each include a third pressing arm 280;

one end of the third pressing arm 280 is fixedly connected to the third driving member output end 230 or the second link 272 of the pressing member 32, and the other end of the third pressing arm 280 is provided with a second pressing rod 281.

By adopting the above technical scheme, the third press arm 280 and the second press rod 281 are matched, so that the surface of the workpiece 6 to be welded can be attached, and the fixation of the workpiece 6 to be welded is further enhanced.

As shown in fig. 6-7, the pressing assembly further includes a fourth connecting seat 34, a quick clamp 35;

the fourth connecting seat 34 is installed on the welding tool 4 and located at two ends of the welding station 40, and the height and the angle of the quick clamp 35 are adjusted by adjusting the height and the angle of the fourth connecting seat 34, wherein the height and the angle of the fourth connecting seat 34 are specifically set or adjusted by an operator according to actual production requirements and cost; the rapid clamp 35 is installed on the fourth connecting seat 34, and one end of the rapid clamp is fixedly connected with the fourth connecting seat 34, and the other end of the rapid clamp is abutted against the workpiece 6 to be welded.

Adopt above-mentioned technical scheme, through the setting of active grab 35, can compress tightly the both ends of treating welded work piece 6, when preventing the welding, treat that welded work piece 6 upwarps and influence welding effect.

Example four

Referring to fig. 1 to 17, the fourth embodiment is substantially the same as the first embodiment, the second embodiment or the third embodiment, except that the present invention further provides a press-fixing type welding system for a sink panel of an automobile, which includes a press-fixing type welding device for a sink panel of an automobile, and further includes a workbench 5, where the workbench 5 includes:

a plurality of fifth driving pieces 50, which are arranged in the workbench 5;

the tool fixing piece 51 is rotationally connected with the output end 500 of the fifth driving piece;

the guide part 52 comprises a connecting shaft 520 and a bearing 521, the connecting shaft 520 is mounted on the workbench 5, and the bearing 521 is sleeved on the connecting shaft 520 and is rotatably connected with the connecting shaft 520;

and a stopper 53 mounted on the table stopper end 54 and protruding from the table 5 at least partially in the height direction.

Referring to fig. 16, the tool fixing member 51 includes a second fixing seat 510, a pressing block 511, and a hinge 512;

the second fixing seat 510 is mounted on the workbench 5 and is fixedly connected with the workbench 5; one end of the pressing block 511 is rotatably connected with the output end 500 of the fifth driving piece, and the other end of the pressing block 511 is abutted against the welding tool 4 to be fixed; one end of the hinge 512 is rotatably connected to the second fixing base 510, and the other end of the hinge 512 is rotatably connected to the pressing block 511.

The bearing 521 is a rolling bearing, including but not limited to a roller bearing and a ball bearing, and specifically, the size, number and installation position of the bearing 521 are set or adjusted by an operator according to actual production requirements and cost.

By adopting the technical scheme, when the welding tool 4 is arranged on the workbench 5, the welding tool 4 moves along the direction from the bearing 521 to the limiting part 53, and the welding tool 4 is guided to move by the bearing 521, so that the problem of deviation when the welding tool 4 moves is avoided; after welding frock 4 and locating part 53 support, rotate to welding frock 4 along hinge 512 through fifth driving piece 50 drive briquetting 511 will welding frock 4 is fixed, and then through fixing welding frock 4, when avoiding welding, welding frock 4 produces and rocks, influences the welding effect.

EXAMPLE five

Referring to fig. 1 to 17, a fifth embodiment is substantially the same as the fourth embodiment, except that the present invention further provides a press-fixing type welding method for a sink panel of an automobile, which uses a press-fixing type welding system for a sink panel of an automobile, the method comprising the following steps:

step S1: fixing the welding tool 4;

step S2: rotating the first press-fixing member 22 toward the first mounting portion 60 of the workpiece to be welded to fix the first mounting portion 60 of the workpiece to be welded, and simultaneously rotating the second press-fixing member 24 toward the second mounting portion 61 of the workpiece to be welded to fix the second mounting portion 61 of the workpiece to be welded;

step S3: rotating the pressing member 32 toward the workpiece fastening portion 62 to be welded to press the workpiece 6 to be welded;

step S4: and (3) enabling the operation end 13 of the welding robot to move along a first preset processing track, and simultaneously enabling the welding part 11 to move along a second preset processing track, so as to weld the workpieces 6 to be welded.

In step S1, after the welding fixture 4 to be fixed is placed on the workbench 5, the welding fixture 4 is pushed to move along the bearing 521 of the workbench 5 toward the direction of the limiting member 53, so as to abut the welding fixture 4 against the limiting member 53, and after the welding fixture 4 abuts against the limiting member 53, the fifth driving member 50 drives the pressing block 511 to move along the hinge 512 toward the welding fixture 4, so as to fix the welding fixture 4 on the workbench 5.

In step S2, the second driving element 20 drives the first connecting element 21 to rotate towards the welding station 40, and then the first connecting element 21 drives the first pressing element 22 to rotate synchronously, so as to fix the first mounting portion to be welded, which is placed at the welding station 40; meanwhile, the third driving member 23 drives the second pressing member 24 to rotate towards the welding station 40, and the third driving member 23 drives the second pressing member 24 to move towards the welding station 40, so that the second mounting portion 61 of the workpiece to be welded is fixed.

In step S3, after the first and second

workpiece mounting portions

60 and 61 to be welded are fixed, the second driving part 30 drives the second connecting part 31 to guide the workpiece 6 to be welded to rotate, and further drives the pressing part 32 to rotate synchronously by the second connecting part 31, so as to fix the to-be-welded fastening portion placed at the welding station 40, thereby pressing the workpiece 6 to be welded.

In step S4, the welding robot 1 drives the operation end to move along a first preset processing track, the welding robot 1 drives the welding part 11 to move synchronously, meanwhile, the first driving part 10 drives the welding part 11 to move along a second preset processing track, and the welding part 11 drives the welding head 12 to move along the first preset processing track and the second preset processing track, so as to weld the workpieces 6 to be welded;

wherein, first processing orbit of predetermineeing is the removal orbit that welding robot 1 drove welding 11, the processing is predetermine to the flexible orbit of first driving piece 10 drive welding 11 for the second, specifically processing orbit is predetermine by the operating personnel setting for or the adjustment to first processing orbit of predetermineeing, second.

Specifically, the fixed connection of the present invention includes but is not limited to welding, bolt, and screw fixation, and the rotational connection includes but is not limited to hinge connection, pin connection, and bearing 521 connection, and is specifically set or replaced by an operator according to actual production requirements and costs; the first driving element 10, the second driving element 20, the fourth driving element 30 and the fifth driving element 50 include, but are not limited to, a hydraulic device, a pneumatic device, a servo motor and the like for providing power for reciprocating linear motion, and the third driving element 23 includes, but is not limited to, a rotary push-down cylinder, a rotary push-down oil cylinder and the like for providing power for rotary telescopic motion; the operating software and the control system of the invention are adapted by purchasing the existing operating software and operating system according to the actual production requirement by operators.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.

Claims

1. The utility model provides a press-fixing type car sink panel welding device which characterized in that includes:

the welding robot (1) comprises a first driving piece (10) and a welding piece (11), wherein the first driving piece (10) is installed at an operation end (13) of the welding robot, and the welding piece (11) is connected with an output end (100) of the first driving piece;

the press fitting assembly comprises a second driving piece (20), a first connecting piece (21), a first press fitting piece (22), a third driving piece (23) and a second press fitting piece (24), wherein the plurality of second driving pieces (20) are installed on one side of a workpiece (6) to be welded, the first connecting piece (21) is connected with the output end (200) of the second driving piece, one end of the first press fitting piece (22) is rotatably connected with the first connecting piece (21), and the other end of the first press fitting piece (22) is abutted against a first installation part (60) of the workpiece to be welded; the plurality of third driving pieces (23) are arranged on the other side of the workpiece (6) to be welded, one end of each second pressing piece (24) is connected with the output end (230) of the corresponding third driving piece, and the other end of each second pressing piece (24) is abutted against the second mounting part (61) of the workpiece to be welded;

the pressing assembly comprises a fourth driving part (30), a second connecting part (31) and a pressing part (32), wherein the fourth driving part (30) is arranged among the plurality of second driving parts (20) and protrudes out of the second driving parts (20) along the height direction; the second connecting piece (31) is connected with the output end of the fourth driving piece (30), one end of the pressing piece (32) is rotatably connected with the second connecting piece (31), and the other end of the pressing piece (32) is abutted against a workpiece fastening part (62) to be welded.

2. The press-fixed type automobile sink panel welding device according to claim 1, further comprising a welding tool (4), wherein the welding tool (4) comprises a welding station (40) and workpiece placing seats (41), and the workpiece placing seats (41) are arranged in the welding station (40) and used for placing the workpieces (6) to be welded.

3. The press-fit type automobile sink panel welding device according to claim 1, wherein the welding part (11) comprises a first mounting seat (110), a sliding rail (111) and a second mounting seat (112), the first mounting seat (110) is mounted on the welding robot operation end (13), and the sliding rail (111) is mounted on the first mounting seat (110); one end of the second mounting seat (112) is provided with a sliding block (113) and is in sliding connection with the sliding rail (111) through the sliding block (113), and the other end of the second mounting seat (112) is fixedly connected with a welding head (12) to be welded.

4. The press-fixing type automobile water falling groove panel welding device is characterized in that the first connecting piece (21) and the second connecting piece (31) are identical in structure and respectively comprise a first fixed seat (270), a first connecting rod (271), a second connecting rod (272) and a third connecting rod (273), wherein two ends of the first connecting rod (271) are respectively in rotary connection with the first fixed seat (270), and the output end (200) of the second driving piece or the output end (300) of the fourth driving piece; one end of the second connecting rod (272) is fixedly connected with the first fixing seat (270), and the other end of the second connecting rod (272) is rotatably connected with the first pressing piece (22) or the pressing piece (32); and two ends of the third connecting rod (273) are respectively and rotatably connected with the second connecting rod (272), the second driving piece output end (200) or the fourth driving piece output end (300).

5. The press-fixing type automobile sink panel welding device is characterized in that the first press-fixing piece (22) comprises a first adapter block (220), a first press arm (221) and a second press arm (222), one end of the first adapter block (220) is fixedly connected with a second connecting rod (272) of the first press-fixing piece (22), and the other end of the first adapter block is respectively connected with the first press arm (221) and the second press arm (222); the first pressure arm (221) and the second pressure arm (222) are provided with a first pressure rod (223).

6. The press-fixing type automobile sink panel welding device is characterized in that the second press-fixing piece (24) and the pressing piece (32) are identical in structure and respectively comprise a third press arm (280), one end of the third press arm (280) is fixedly connected with the output end (230) of the third driving piece or the second connecting rod (272) of the pressing piece (32), and the other end of the third press arm (280) is provided with a second press rod (281).

7. A press-fixing type automobile sink panel welding system comprising the press-fixing type automobile sink panel welding device of any one of claims 1 to 6, and further comprising:

the workbench (5) comprises fifth driving pieces (50), tool fixing pieces (51), guiding pieces (52) and limiting pieces (53), the fifth driving pieces (50) are installed in the workbench (5), and the tool fixing pieces (51) are rotatably connected with output ends (500) of the fifth driving pieces; the guide piece (52) comprises a connecting shaft (520) and a bearing (521), the connecting shaft (520) is installed on the workbench (5), and the bearing (521) is sleeved on the connecting shaft (520) and is rotatably connected with the connecting shaft (520); the limiting piece (53) is installed at the limiting end (54) of the workbench and at least partially protrudes out of the workbench (5) along the height direction.

8. The press-fixing type automobile sink panel welding system according to claim 7, wherein the tool fixing piece (51) comprises a second fixing seat (510), a pressing block (511) and a hinge (512), the second fixing seat (510) is installed on the workbench (5), one end of the pressing block (511) is connected with the output end (500) of the fifth driving piece, and the other end of the pressing block (511) abuts against the welding tool (4) of the welding device; two ends of the hinge (512) are respectively connected with the second fixed seat (510) and the pressing block (511) in a rotating mode.

9. A press-fixing type automobile sink panel welding method using the press-fixing type automobile sink panel welding system of claim 8, characterized by comprising the steps of:

step S1: enabling the welding tool (4) to move to a welding station (40) along a guide piece (52), further enabling a tool fixing piece (51) to move to the welding tool (4), and fixing the welding tool (4);

step S2: rotating the first press part (22) to the first mounting part (60) of the workpiece to be welded to fix the first mounting part (60) of the workpiece to be welded, and simultaneously rotating the second press part (24) to the second mounting part (61) of the workpiece to be welded to fix the second mounting part (61) of the workpiece to be welded;

step S3: rotating the pressing member (32) towards a workpiece fastening part (62) to be welded to press the workpiece (6) to be welded;

step S4: and (3) enabling the operation end (13) of the welding robot to move along a first preset processing track, and simultaneously enabling the welding part (11) to move along a second preset processing track, so as to weld the workpiece (6) to be welded.

10. The press-fixing type automobile sink panel welding method according to claim 9, wherein the fixing method of the welding tool (4) comprises the following steps:

step S10: moving a welding tool (4) to a welding station (40) along a bearing (521), and abutting the welding tool (4) against a limiting piece (53);

step S11: and enabling the pressing block (511) to move towards the welding tool (4) to fix the welding tool (4).