A multi-station gas box welding production line

Abstract

The present invention relates to the field of welding technology, and in particular to a multi-station gas box welding production line, comprising a material taking device, comprising a ground rail and a box body taking manipulator slidably arranged on the ground rail; a box body welding production line and a box body grinding production line arranged in sequence along the extension direction of the ground rail; wherein the box body welding production line comprises a box body welding station and an assembly station, both the box body welding station and the assembly station are provided with a box body welding tooling, and a box body welding manipulator is arranged on one side of the box body welding tooling; the box body grinding production line comprises a grinding station, the grinding station is provided with a grinding tooling, and a grinding manipulator is arranged on one side of the grinding tooling; and also comprises a door body production line, the door body production line comprises a door body taking manipulator and a door body welding station arranged on one side of the door body taking manipulator, and the door body welding station is provided with a door body welding tooling and a door body welding manipulator; the present invention improves the efficiency of automatic production of the box body, and the degree of automation is high.

Description

Technical Field

[0001] The invention relates to the technical field of welding, and in particular to a multi-station gas box welding production line. Background Art

[0002] At present, the welding and assembly processes in the processing of metal boxes are all completed manually. The operator needs to frequently move the plates to the tooling for positioning, weld the components one by one, and then assemble the various plates of the box together by welding. The defects of this method are: 1. The workload is large, the labor cost is high, and it is difficult to ensure the processing quality; 2. The shape of the box is relatively complex. Some plates have a folded edge structure. When welding at different positions of the folded edge, the plates need to be manually transferred, which is time-consuming and labor-intensive, and the processing is difficult. In addition, the box needs to be polished after welding, and the quality of manual polishing is difficult to ensure; 3. When the plates are assembled and welded, it is difficult to ensure the accurate positioning of the fully welded box edge, which is inefficient; 4. The movement of the box between various processes takes a long time, and the connection between them is not tight enough, which wastes time and affects production efficiency. Summary of the invention

[0003] The purpose of the present invention is to provide a multi-station gas box welding production line which is helpful to improve the efficiency and quality of box production and reduce the labor intensity of workers.

[0004] In order to achieve the above object, the present invention provides a multi-station gas box welding production line, comprising:

[0005] A material taking device, comprising a ground rail and a box material taking manipulator slidably arranged on the ground rail;

[0006] A box body welding production line and a box body grinding production line are sequentially arranged along the extending direction of the ground rail;

[0007] The box welding production line comprises a box welding station and an assembly station which are arranged on the first side of the ground rail and arranged in sequence along the extension direction of the ground rail. The box welding station and the assembly station are both provided with a box welding tool, and a box welding manipulator is provided on one side of the box welding tool.

[0008] The box body polishing production line comprises a polishing station, the polishing station is provided with a polishing tool, and a polishing manipulator is provided on one side of the polishing tool;

[0009] It also includes a door body production line, which includes a door body material taking robot and a door body welding station arranged on one side of the door body material taking robot, and the door body welding station is provided with a door body welding tool and a door body welding robot.

[0010] Optionally, the box welding tooling includes a folding plate clamp and a folding plate positioner, the folding plate clamp is installed on the folding plate positioner, the folding plate clamp includes a first folding clamping assembly and a second folding clamping assembly, the first folding clamping assembly and the second folding clamping assembly both include a supporting base and a clamping cylinder, the output end of the clamping cylinder is connected to a clamping rod for cooperating with the supporting base to clamp the folding plate.

[0011] Optionally, the box welding tooling includes a side panel workbench and a first side panel clamp arranged on the side panel workbench, and a side panel positioning frame for initial positioning of the side panel is provided on one side of the side panel workbench.

[0012] Optionally, the box welding tooling includes an assembly fixture and an assembly positioner, the assembly fixture includes a first side panel clamping mechanism, an assembly sliding guide rail, and a second side panel clamping mechanism and a folding plate support mechanism slidably arranged on the assembly sliding guide rail, the first side panel clamping mechanism is connected to the assembly positioner, and the assembly sliding guide rail is fixedly connected to the first side panel clamping mechanism.

[0013] Optionally, the grinding tool includes a box clamp and a box positioner, and the box clamp is installed on the box positioner to change its position during the grinding process.

[0014] Optionally, the box clamp includes a first side positioning plate, a box sliding guide rail, a box support mechanism slidably arranged on the box sliding guide rail, and a second side movable plate, the first side positioning plate is connected to the box positioner, and the box sliding guide rail is fixedly connected to the first side positioning plate.

[0015] Optionally, the door body production line further includes a stacking station, an initial positioning station and a discharging station arranged along the circumferential direction of the door body material taking robot.

[0016] Optionally, the door body welding tooling includes a support frame, a rotating mechanism and a door panel welding workbench, the door panel welding workbench is connected to the output end of the rotating mechanism, the rotating mechanism is installed on the support frame, and a plurality of door panel fixing components are provided on the door panel welding workbench.

[0017] Optionally, it also includes a welding room, and the box welding production line, box grinding production line and door panel production line are all arranged in the welding room.

[0018] Optionally, the welding room is provided with an exhaust system.

[0019] The implementation of the embodiments of the present invention has the following technical effects:

[0020] The box welding production line of the present invention can meet the automated production of welding and assembly between various parts of the box, with high automation and high welding quality;

[0021] Corresponding manipulators are set up at multiple workstations to perform welding operations on different parts of the box at the same time, which overcomes the problem of long working cycle of a single manipulator and low production efficiency of the box. By welding different processes of the box at multiple workstations, an out-of-position synchronous working mode is formed to improve the welding efficiency;

[0022] The box-type material-retrieving manipulator of the material-retrieving device moves between different stations for loading and unloading via the ground rails, connects and distributes the workpieces to be processed to different stations for processing, and improves the utilization rate of each processing station. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of a preferred embodiment of the present invention;

[0024] Figure 2 It is a three-dimensional structural diagram of a material taking device and a welding production line in a preferred embodiment of the present invention;

[0025] Figure 3 It is a three-dimensional structural diagram of a box welding tool in a preferred embodiment of the present invention;

[0026] Figure 4 yes Figure 3 The enlarged schematic diagram of point A in the middle;

[0027] Figure 5 is a three-dimensional structural diagram of an assembly fixture in a preferred embodiment of the present invention;

[0028] Figure 6 It is a three-dimensional structural diagram of a box body polishing production line in a preferred embodiment of the present invention;

[0029] Figure 7 is a three-dimensional structural diagram of a box clamp in a preferred embodiment of the present invention;

[0030] Figure 8 It is a three-dimensional structural diagram of a door production line in a preferred embodiment of the present invention;

[0031] Fig. 9 It is a front view of the door body welding tooling in the preferred embodiment of the present invention;

[0032] Fig.10 It is a three-dimensional structural diagram of the initial positioning tool in the preferred embodiment of the present invention;

[0033] Fig.11 It is a three-dimensional structural diagram of the box in the preferred embodiment of the present invention.

[0034] Description of reference numerals:

[0035] 100 reclaiming device, 110 ground rail, 120 box reclaiming manipulator;

[0036] 200 box welding production line, 210 box welding tooling, 211 folding plate fixture, 2111 first folding edge clamping assembly, 2112 second folding edge clamping assembly, 2113 support base, 2114 clamping cylinder, 2115 clamping rod, 212 folding plate positioner, 213 side panel workbench, 214 first side panel fixture, 215 side panel positioning frame, 216 reinforcing rib welding workbench, 217 second side panel fixture, 218 assembly fixture, 2181 first side panel clamping mechanism, 2181a mobile positioning plate, 2181b swing adjustment rod, 2181c clamping positioning pin, 2181d side panel positioning support seat, 218e elastic clamping cylinder, 2182 assembly sliding guide rail, 2183 second side panel clamping mechanism, 2184 Folding plate support mechanism, 2184a folding plate side clamping assembly, 2184b folding plate upper clamping assembly, 2184c folding plate support frame, 2184d folding plate fixing cylinder, 2184e extension arm, 2184f folding plate clamping block, 2184g upper clamping cylinder, 219 assembly positioner, 220 box welding manipulator, 230 manual assembly station, 240 welding gun replacement device, 250 screw feeding device, 260 suction cup assembly replacement device, 270 manipulator guide rail;

[0037] 300 box body polishing production line, 310 polishing tooling, 311 box body fixture, 3111 first side positioning plate, 3111a fixed support seat, 3111b fixed mounting seat, 3111c limit cylinder, 3112 box body sliding guide rail, 3113 box body support mechanism, 3113a box body support frame, 3113b clamping cylinder, 3113c pressing cylinder, 3114 second side moving plate, 312 box body positioner, 320 polishing manipulator, 330 polishing head replacement device;

[0038] 400 door body production line, 410 door body material taking manipulator, 420 door body welding tooling, 421 support frame, 422 rotating mechanism, 423 door panel welding workbench, 424 door panel fixing cylinder, 430 discharging conveyor, 431 discharging support frame, 432 discharging guide roller, 433 blocking cylinder, 440 initial positioning tooling, 441 initial positioning inclined plane, 442 guide inclined plane, 443 supporting inclined plane, 450 door body welding manipulator;

[0039] 500 box body, 510 folding panel, 520 left side panel, 530 right side panel. DETAILED DESCRIPTION

[0040] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0041] refer to Figure 1 - Fig.11The present invention provides a multi-station gas box welding production line, comprising:

[0042] The material taking device 100 includes a ground rail 110 and a box material taking manipulator 120 slidably disposed on the ground rail 110;

[0043] A box welding production line 200 and a box polishing production line 300 are sequentially arranged along the extending direction of the ground rail 110;

[0044] The box welding production line 200 includes a box welding station and an assembly station which are arranged on the first side of the ground rail 110 and arranged in sequence along the extension direction of the ground rail 110. The box welding station and the assembly station are both provided with a box welding tool 210. A box welding manipulator 220 is provided on one side of the box welding tool 210.

[0045] The box body polishing production line 300 includes a polishing station, which is provided with a polishing tool 310, and a polishing robot 320 is provided on one side of the polishing tool 310;

[0046] It also includes a door panel production line 400 , which includes a door panel material taking robot 410 and a door panel welding station arranged on one side of the door panel material taking robot 410 . The door panel welding station is provided with a door panel welding tool 420 and a door body welding robot 450 .

[0047] The box welding production line 200 of the present invention can meet the automated production of welding and assembly between various parts of the box, with high automation and high welding quality;

[0048] Corresponding manipulators are set up at multiple workstations to perform welding operations on different parts of the box at the same time, which overcomes the problem of long working cycle of a single manipulator and low production efficiency of the box. By welding different processes of the box at multiple workstations, an out-of-position synchronous working mode is formed to improve the welding efficiency;

[0049] The box material taking robot 120 of the material taking device 100 moves between different workstations via the ground rail 110 to load and unload materials, connects and distributes the workpieces to be processed to different workstations for processing, and improves the utilization rate of each processing station.

[0050] refer to Figure 1 and Fig.11 In this embodiment, the box body 500 includes a folding plate 510, a left side plate 520 and a right side plate 530. In order to facilitate the processing and assembly of the folding plate, the left side plate and the right side plate, this embodiment includes at least four groups of different box body welding tooling 210. At the same time, the box body welding manipulator 220 is set on the manipulator guide rail 270, so that the box body welding manipulator 220 can move between each box body welding tooling 210, reducing the number of box body welding manipulators 220 and reducing the cost of equipment.

[0051] refer to Figure 3 and Figure 4 , wherein, in order to facilitate welding of different positions of the folding plate, the box welding tool 210 for welding the folding plate includes a folding plate clamp 211 and a folding plate positioner 212, the folding plate clamp 211 is installed on the folding plate positioner 212, because the folding plate forms a plurality of plates that are not in the same plane, in order to improve the fixing effect of the folding plate, the folding plate clamp 211 of this embodiment includes a first folding edge clamping assembly 2111 and a second folding edge clamping assembly 2112, the first folding edge clamping assembly 2111 and the second folding edge clamping assembly 2112 both include a supporting base 2113 and a clamping cylinder 2114, the output end of the clamping cylinder 2114 is connected to a clamping rod 2115 for cooperating with the supporting base 2113 to clamp the folding plate, so that when the folding plate is placed on the supporting base 2113, the clamping cylinder 2114 The folding plate is clamped together with the support base 2113 to fix the folding plate, and the folding plate is rotated to different angles by the folding plate positioner 212, and the folding plate is welded at various positions in cooperation with the box welding robot 220.

[0052] refer to Figure 2 In order to facilitate the processing and welding of the left and right panels, the box welding tool 210 of this embodiment includes a side panel workbench 213 and a first side panel clamp 214 arranged on the side panel workbench 213, and a side panel positioning frame 215 for initial positioning of the side panels is provided on one side of the side panel workbench 213. The left / right panel is placed on the side panel positioning frame 215 by the box material picking robot 120 for initial positioning and then moved to the side panel workbench 213, and clamped and fixed by the first side panel clamp 214, thereby improving the accuracy and welding quality of the left / right panel.

[0053] Furthermore, in order to improve the strength of the left side panel / right side panel, the box welding tool 210 of this embodiment includes a reinforcement rib welding workbench 216 and a second side panel clamp 217 arranged on the reinforcement rib welding workbench 216, which facilitates the welding of the left side panel / right side panel and the reinforcement rib, strengthens the strength of the left side panel / right side panel, and improves the quality of the box.

[0054] refer to Figure 2 and Figure 5, wherein, after the folding plate, the left side plate and the right side plate are welded, in order to weld and assemble the folding plate with the left side plate and the right side plate, the box welding tool 210 of this embodiment includes an assembly fixture 218 and an assembly positioner 219, the assembly fixture 218 includes a first side plate clamping mechanism 2181, an assembly sliding guide rail 2182 and a second side plate clamping mechanism 2183 slidably arranged on the assembly sliding guide rail 2182 and a folding plate supporting mechanism 2184, by placing the folding plate on the folding plate supporting mechanism 2184, the left side The left panel and the right side panel are clamped by the first side panel clamping mechanism 2181 and the second side panel clamping mechanism 2183 respectively, wherein the second side panel clamping mechanism 2183 can slide by assembling the sliding guide rail 2182 to realize the clamping operation of the left side panel / right side panel, and is suitable for the box assembly of folding plates of different widths, which is more convenient to use and has a wide range of applications. Furthermore, the first side panel clamping mechanism 2181 is connected to the assembly positioner 219, and the box sliding guide rail 3112 is fixedly connected to the first side panel clamping mechanism 2181.

[0055] Specifically, the first side panel clamping mechanism 2181 and the second side panel clamping mechanism 2183 in the present embodiment both include a movable positioning plate 2181a and a swing adjustment rod 2181b. A plurality of clamping positioning pins 2181c and a side panel positioning support seat 2181d are provided on one side of the movable positioning plate 2181a, so that the box material picking robot 120 can place the side panel on the side panel positioning support seat 2181d for positioning, and after the movable positioning plate 2181a moves, the left panel / right panel and the folding plate are clamped and welded by the clamping positioning pins 2181c. The swing adjustment rod 2181b is rotatably installed on the movable positioning plate 2181a through a swing shaft. The swing shaft is connected to a swing driver. The swing adjustment rod 2181b An elastic pressing cylinder 2181e is installed on it, and an elastic pressing block is provided at the output end of the elastic pressing cylinder 2181e. When the movable positioning plate 2181a moves to the position corresponding to the folding plate supporting mechanism 2184, the swing shaft is driven to rotate by the swing driver and drives the swing adjusting rod 2181b to swing to a preset position. When the elastic pressing cylinder 2181e is actuated, the elastic pressing block cooperates with the folding plate supporting mechanism 2184 to fix the folding plate.

[0056] Further, in order to improve the stability of the folding plate fixing, the folding plate supporting mechanism 2184 of the present embodiment includes a folding plate side pressing assembly 2184a and a folding plate upper pressing assembly 2184b, the folding plate side pressing assembly 2184a includes a folding plate supporting frame 2184c and a folding plate fixing cylinder 2184d, an extension arm 2184e is installed on the folding plate supporting frame 2184c, the folding plate supporting cylinder is installed on the extension arm 2184e, and the output end of the folding plate supporting cylinder is connected to a folding plate clamping block 2184f, and the folding plate clamping block 2184f is hinged to the extension arm 2184e, so that the folding plate clamping block 2184f cooperates with the folding plate supporting frame 2184c to press the lower part of the folding plate under the drive of the folding plate supporting cylinder;

[0057] In addition, the folding plate upper clamping assembly 2184b includes an upper clamping cylinder 2184g and an elastic clamping block connected to the output end of the upper clamping cylinder 2184g to achieve clamping of the upper part of the folding plate.

[0058] There are two groups of folding plate support mechanisms 2184, which are symmetrically arranged to keep the left and right ends of the folding plate balanced when pressed, preventing the left and right ends of the folding plate from swinging and causing docking deviation with the left plate / right plate.

[0059] Since the process of fully welding the box body is time-consuming, in order to improve the efficiency of box body assembly and welding, a manual assembly station 230 for fixing the relative position of the folding plate and the left and right plates is provided on one side of the ground rail 110 of the present embodiment. While the previous box body is being fully welded, the relative position of the folding plate and the left and right plates of the next box body after assembly is manually welded and positioned, which facilitates the box body picking robot 120 to simultaneously move the entire box body to the assembly fixture 218 for fixed full welding, thereby improving the welding efficiency.

[0060] In order to improve production efficiency, a welding gun replacement device 240 and a corresponding screw feeding device 250 or welding wire feeding device are arranged on one side of the box welding robot 220 to achieve rapid welding of the box welding robot 220.

[0061] The box-body picking robot 120 in this embodiment sucks up the sheet material through a suction cup assembly, and a suction cup assembly replacement device 260 is provided on one side thereof to facilitate the box-body picking robot 120 to replace the suction cup assembly corresponding to different sheet materials, thereby improving production efficiency.

[0062] refer to Figure 6 and Figure 7 The grinding tool 310 includes a box clamp 311 and a box positioner 312. The box clamp 311 is installed on the box positioner 312 to change the position during the grinding process.

[0063] Furthermore, the box clamp 311 in this embodiment includes a first side positioning plate 3111, a box sliding guide rail 3112, and a box support mechanism 3113 and a second side movable plate 3114 slidably arranged on the box sliding guide rail 3112. The first side positioning plate 3111 is connected to the box positioner 312, and the box sliding guide rail 3112 is fixedly connected to the first side positioning plate 3111. The assembled box is placed on the box support mechanism 3113 by the box picking robot 120, and is moved toward the first side positioning plate 3111 by the box support mechanism 3113 and the second side movable plate 3114 to achieve clamping of both sides of the box, so that the position of the box is fixed during the grinding process, and the position can be changed by the box positioner 312 for grinding.

[0064] Among them, a number of fixed support seats 3111a and fixed mounting seats 3111b are installed on the inner side of the first side positioning plate 3111 and the inner side of the second side movable plate 3114 in this embodiment. The fixed mounting seat 3111b is installed with a limiting cylinder 3111c, and the output end of the limiting cylinder 3111c is connected to a box clamp. When in use, the fixed support seat 3111a supports the side plates on both sides of the box and is clamped by the limiting cylinder 3111c to further fix the box and improve the stability of the box fixation.

[0065] The box support mechanism 3113 of this embodiment includes a box support frame 3113a, and the box support frame 3113a is equipped with a clamping cylinder 3113b and a pressing cylinder 3113c. The output ends of the clamping cylinder 3113b and the pressing cylinder 3113c are both provided with elastic clamping blocks, wherein the pressing cylinder 3113c is arranged on the upper part of the box support frame 3113a, and when the pressing cylinder 3113c is actuated, the elastic clamping block is used to press the plate on the upper side of the box, and when the clamping cylinder 3113b is actuated, the elastic clamping block is used to cooperate with the first side positioning plate 3111 and the second side movable plate 3114 to press the side plates on both sides of the box.

[0066] Furthermore, in this embodiment, there are two groups of box support frames 3113a, which are arranged in parallel, so that the box can be stably placed on the box support frames 3113a and maintain balance, preventing the box support frames 3113a from shaking during movement, resulting in positioning failure and affecting the polishing effect of the box.

[0067] In order to facilitate the rapid replacement of the grinding head of the grinding robot 320 during operation, a grinding head replacement device 330 is provided on one side of the grinding robot 320 to improve the replacement efficiency.

[0068] refer to Figure 8 - Fig.10The door panel production line 400 also includes a stacking station, an initial positioning station and a discharging station arranged along the circumferential direction of the door panel picking robot 410, so that the door panel picking robot 410 can pick up materials from the stacking station and place them at the initial positioning station for positioning. After the door panel is positioned, it is moved to the welding station by the door panel picking robot 410. After the door panel is welded at the door panel welding station, it is moved to the discharging station for discharging, thereby improving the picking efficiency of the door panel picking robot 410.

[0069] Furthermore, the door panel welding tooling 420 includes a support frame 421, a rotating mechanism 422 and a door panel welding workbench 423. The door panel welding workbench 423 is connected to the output end of the rotating mechanism 422. The rotating mechanism 422 is installed on the support frame 421. The door panel welding workbench 423 is provided with a plurality of door panel fixing components, so that the door panel placed on the door panel welding workbench 423 can be rotated and displaced, which is convenient for welding of different positions of the door panel, and cooperates with the action of the door body welding robot 450 to improve the welding efficiency.

[0070] Furthermore, the door panel fixing assembly in this embodiment includes a door panel fixing cylinder 424 and a door panel fixing block. The door panel fixing block is connected to the output end of the door panel fixing cylinder 424. The door panel fixing cylinder 424 is driven to press the door panel through the action of the door panel fixing cylinder 424, thereby limiting the movement of the door panel and improving the quality of welding.

[0071] In order to facilitate the unloading of the door panel after welding to the next process, the unloading station arranged in this embodiment is provided with a unloading conveying device 430, which includes a unloading support frame 431, a unloading drive unit and a plurality of unloading guide rollers 432. The plurality of unloading guide rollers 432 are installed parallel to the unloading support frame 431 along the unloading direction. The unloading drive unit is connected to the unloading guide rollers 432 by transmission. The door panel after welding is moved to the unloading guide rollers 432 by the loading and unloading manipulators, and the door panel is driven to move in the unloading direction by the rotation of the guide rollers.

[0072] Furthermore, a material blocking cylinder 433 is provided at the discharge end of the discharge support frame 431 in this embodiment, so that the door panels wait for discharge to the next process under the blocking of the material blocking cylinder 433, thereby ensuring orderly and stable discharge of the door panels.

[0073] Furthermore, in order to improve the consistency of the position of the door panel when it is moved to the door panel welding workbench 423, the initial positioning station in this embodiment is provided with an initial positioning tooling 440, and the initial positioning tooling 440 is provided with an initial positioning bevel 441, a guide bevel 442 and a support bevel 443, the guide bevel 442 is perpendicular to the initial positioning bevel 441, and the support bevel 443 is perpendicular to the initial positioning bevel 441 and the guide bevel 442, and the door panel is moved to the initial positioning tooling 440 by the door panel picking robot 410, and the door panel fits with the initial positioning bevel 441 and the guide bevel 442 and the support bevel 443 under the action of gravity, so as to realize the initial positioning of the door panel, and when the door panel picking robot 410 moves the door panel to the door panel welding workbench 423, the door panel is moved to the preset position as much as possible, so as to realize the precise welding of the door panel and improve the welding quality.

[0074] Similarly, the side panel positioning frame 215 has the same structure as the initial positioning tool 440 and is used for initial positioning of the left side panel / right side panel.

[0075] Furthermore, the present embodiment also includes a welding room, in which the box welding production line 200, the box polishing production line 300 and the door panel production line 400 are all arranged, and the welding operations at the welding stations are protected to prevent light pollution generated during the welding process from affecting the working environment of the workers.

[0076] The welding room is equipped with an exhaust system. The ventilation system includes several ventilation ducts. The ventilation ducts are connected to the door panel welding room, and the other end is connected to the dust collector. The dust-containing gas enters the dust collector under the guidance of the fan, which further prevents the smoke and dust generated during welding and grinding from volatilizing into the surrounding air, polluting the working environment, and improving the safety of workers' work.

[0077] In summary, the box welding production line 200 of the present invention can meet the automated production of welding and assembly between various components of the box, with a high degree of automation and high welding quality;

[0078] Corresponding manipulators are set up at multiple workstations to perform welding operations on different parts of the box at the same time, which overcomes the problem of long working cycle of a single manipulator and low production efficiency of the box. By welding different processes of the box at multiple workstations, an out-of-position synchronous working mode is formed to improve the welding efficiency;

[0079] The box material taking robot 120 of the material taking device 100 moves between different workstations via the ground rail 110 to load and unload materials, connects and distributes the workpieces to be processed to different workstations for processing, and improves the utilization rate of each processing station.

[0080] In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0081] In addition, the present invention uses the terms "first", "second", etc. to describe various information, but these information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present invention, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information.

[0082] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the scope of protection of the present invention.

Claims

1. A multi-station gas box welding production line, the box body includes a folding plate, a left side plate and a right side plate, characterized in that: include: A material taking device, comprising a ground rail and a box material taking manipulator slidably arranged on the ground rail; A box body welding production line and a box body grinding production line are sequentially arranged along the extending direction of the ground rail; The box welding production line comprises a box welding station and an assembly station which are arranged on the first side of the ground rail and arranged in sequence along the extension direction of the ground rail. The box welding station and the assembly station are both provided with a box welding tool, and a box welding manipulator is provided on one side of the box welding tool. The box body polishing production line comprises a polishing station, the polishing station is provided with a polishing tool, and a polishing manipulator is provided on one side of the polishing tool; It also includes a door body production line, which includes a door body material taking manipulator and a door body welding station arranged on one side of the door body material taking manipulator, and the door body welding station is provided with a door body welding tool and a door body welding manipulator; The box welding tooling is provided with at least four different groups; the box welding tooling for welding folding plates comprises a folding plate clamp and a folding plate positioner, the folding plate clamp is installed on the folding plate positioner, the folding plate clamp comprises a first folding edge clamping assembly and a second folding edge clamping assembly, the first folding edge clamping assembly and the second folding edge clamping assembly both comprise a supporting base and a clamping cylinder, the output end of the clamping cylinder is connected with a clamping rod for cooperating with the supporting base to clamp the folding plate; The box welding tool for welding the left side plate and the right side plate comprises a side plate workbench and a first side plate fixture arranged on the side plate workbench, and a side plate positioning frame for initial positioning of the side plate is provided on one side of the side plate workbench; the box welding tool for welding the left side plate and the right side plate comprises a reinforcing rib welding workbench and a second side plate fixture arranged on the reinforcing rib welding workbench; The box welding tooling assembled by welding comprises an assembly fixture and an assembly positioner, wherein the assembly fixture comprises a first side panel clamping mechanism, an assembly sliding guide rail, and a second side panel clamping mechanism and a folding plate supporting mechanism slidably arranged on the assembly sliding guide rail, wherein the first side panel clamping mechanism is connected to the assembly positioner, and the assembly sliding guide rail is fixedly connected to the first side panel clamping mechanism; The first side plate clamping mechanism and the second side plate clamping mechanism both include a movable positioning plate and a swing adjustment rod, and a plurality of clamping positioning pins and a side plate positioning support seat are provided on one side of the movable positioning plate; the swing adjustment rod is rotatably installed on the movable positioning plate through a swing shaft, and the swing shaft is connected to a swing driver, and an elastic clamping cylinder is installed on the swing adjustment rod, and an elastic clamping block is provided at the output end of the elastic clamping cylinder; the folding plate support mechanism includes a folding plate side clamping assembly and a folding plate clamping assembly, the folding plate side clamping assembly includes a folding plate support frame and a folding plate fixing cylinder, an extension arm is installed on the folding plate support frame, the folding plate support cylinder is installed on the extension arm, and the output end of the folding plate support cylinder is connected to the folding plate clamping block, and the folding plate clamping block is hinged to the extension arm; the clamping assembly on the folding plate includes an upper clamping cylinder and an elastic clamping block connected to the output end of the upper clamping cylinder; there are two groups of folding plate support mechanisms, and the two groups of folding plate support mechanisms are symmetrically arranged.

2. The multi-station gas box welding production line according to claim 1 is characterized in that: The grinding tool comprises a box clamp and a box positioner, and the box clamp is installed on the box positioner to change the position during the grinding process.

3. The multi-station gas box welding production line according to claim 2 is characterized in that: The box clamp includes a first side positioning plate, a box sliding guide rail, a box support mechanism slidably arranged on the box sliding guide rail, and a second side movable plate. The first side positioning plate is connected to the box positioner, and the box sliding guide rail is fixedly connected to the first side positioning plate.

4. The multi-station gas box welding production line according to claim 1 is characterized in that: The door body production line also includes a material stacking station, an initial positioning station and a material discharging station arranged along the circumferential direction of the door body material taking robot.

5. The multi-station gas box welding production line according to claim 1 or 4, characterized in that: The door body welding tooling comprises a support frame, a rotating mechanism and a door panel welding workbench, wherein the door panel welding workbench is connected to the output end of the rotating mechanism, the rotating mechanism is mounted on the support frame, and a plurality of door panel fixing components are arranged on the door panel welding workbench.

6. The multi-station gas box welding production line according to claim 1 is characterized in that: It also includes a welding room, in which the box welding production line, the box grinding production line and the door panel production line are all arranged.

7. The multi-station gas box welding production line according to claim 6 is characterized in that: The welding room is provided with an exhaust system.

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