A vehicle production system

Abstract

The present invention provides a vehicle production system, comprising: a first general assembly component for welding together the inner side panel assembly, the inner roof panel and the lower vehicle body of a double general assembly vehicle to form an inner panel skeleton; a first repair welding component for strengthening the lower vehicle body of a single general assembly vehicle and the inner panel skeleton of a double general assembly vehicle; a second general assembly component for welding together the side panel assembly and the lower vehicle body of a single general assembly vehicle to form a vehicle body, and for welding together the outer side panel assembly and the inner panel skeleton of a double general assembly vehicle to form a vehicle body; a second repair welding component for strengthening the side panel assembly and the lower vehicle body of a single general assembly vehicle and the outer side panel assembly and the inner panel skeleton of a double general assembly vehicle; and a roof assembly component for welding together the roof and the vehicle body of a single general assembly vehicle and the roof and the vehicle body of a double general assembly vehicle. Embodiments of the present invention can improve the utilization rate of the vehicle production system.

Description

Technical Field

[0001] The present invention relates to the field of vehicle technology, and in particular to a vehicle production system. Background Art

[0002] A vehicle's body structure is a crucial component, typically consisting of single-piece and dual-piece structures to meet varying production requirements. In related art, due to differences in production processes and production cycles, single-piece and dual-piece structures are produced on separate production lines. However, during production, while one body structure is being produced, the production line for the other is idle, resulting in low utilization and wasted production equipment and space.

[0003] It can be seen that the related technology has the problem of low production line utilization rate. Summary of the Invention

[0004] An embodiment of the present invention provides a vehicle production system to solve the problem of low production line utilization rate in the prior art.

[0005] To achieve the above objectives, an embodiment of the present invention provides a production system, comprising:

[0006] a first assembly component, the first assembly component being used to weld together the side inner panel assembly, the roof inner panel, and the lower body of a double assembly vehicle to form an inner panel skeleton;

[0007] a first repair welding assembly, wherein the inlet of the first repair welding assembly is connected to the outlet of the first assembly assembly, the first repair welding assembly being used to reinforce the lower body of a single-assembly vehicle in the case of producing a single-assembly vehicle, and to reinforce the inner plate frame of a double-assembly vehicle in the case of producing a double-assembly vehicle;

[0008] a second assembly assembly, the inlet of the second assembly assembly being in communication with the outlet of the first repair welding assembly, the second assembly assembly being used to weld together the side panel assembly and the lower body of a single-assembly vehicle to form a vehicle body when producing a single-assembly vehicle, and to weld together the side panel outer panel assembly and the inner panel frame of a double-assembly vehicle to form a vehicle body when producing a double-assembly vehicle;

[0009] a second repair welding assembly, the inlet of the second repair welding assembly being in communication with the outlet of the second assembly assembly, the second repair welding assembly being used to reinforce the side panel assembly and the lower body of a single assembly vehicle in the case of producing a single assembly vehicle, and to reinforce the side panel outer panel assembly and the inner panel frame of a dual assembly vehicle in the case of producing a dual assembly vehicle;

[0010] Top cover assembly unit, the inlet of the top cover assembly unit is communicated with the outlet of the second repair welding assembly unit, and the top cover assembly unit is used for welding the top cover and the vehicle body of the single total assembly vehicle together in the case of producing a single total assembly vehicle, and for welding the top cover and the vehicle body of the double total assembly together in the case of producing a double total assembly vehicle.

[0011] Optionally, the first total assembly component includes:

[0012] A first conveyor belt, which is used for transporting the inner side panel assembly of the double total assembly vehicle, the inner top cover and the lower vehicle body;

[0013] A first welding piece, which is located above the first conveyor belt horizontally, and the first welding piece is used for welding the inner side panel assembly of the double total assembly vehicle, the inner top cover and the lower vehicle body together to form an inner panel framework;

[0014] A first robot group, which includes a plurality of first robots, and the plurality of first robots are located on the horizontal sides of the first conveyor belt. Different first robots among the plurality of first robots are respectively used for grasping and rotating or moving the inner side panel assembly of the double total assembly vehicle, for grasping and rotating or moving the inner top cover, and for grasping and rotating or moving the lower vehicle body;

[0015] A first positioning piece, which is fixed on the side of the first conveyor belt, and the first positioning piece is used for fixing the lower vehicle body of the double total assembly vehicle during the welding process.

[0016] Optionally, the first total assembly component further includes:

[0017] A first slide table group, which includes a plurality of first slide tables, and the plurality of first slide tables are arranged on the horizontal sides of the first conveyor belt. Different first slide tables among the plurality of first slide tables are respectively used for moving or placing the inner top cover of the double total assembly vehicle, and for moving or placing the inner side panel assembly of the double total assembly vehicle;

[0018] A first gripper and a second gripper, which are located on the horizontal sides of the first conveyor belt. The first gripper is used for moving the inner top cover of the double total assembly vehicle from the first slide table to the first conveyor belt, and the second gripper is used for moving the inner side panel assembly of the double total assembly vehicle from the first slide table to the first conveyor belt.

[0019] Optionally, the first repair welding component includes:

[0020] A second conveyor belt, the inlet of the second conveyor belt being in communication with the outlet of the first conveyor belt, the second conveyor belt being configured to convey the underbody of a single-integrated vehicle in the case of producing a single-integrated vehicle, and to convey the inner panel frame of a double-integrated vehicle in the case of producing a double-integrated vehicle;

[0021] A second positioning member, the second positioning member being fixed to the side of the second conveyor belt, the second positioning member being configured to fix the underbody of a single-assembly vehicle during the reinforcement process in the case of producing a single-integrated vehicle, and to fix the inner panel frame of a double-assembly vehicle during the reinforcement process in the case of producing a double-integrated vehicle;

[0022] A second robot group, the second robot group including a plurality of second robots, the plurality of second robots being located on the horizontal sides of the second conveyor belt, the second robot group being configured to grasp the underbody of a single-integrated vehicle and rotate or move it in the case of producing a single-integrated vehicle, and to grasp the inner panel frame of a double-integrated vehicle and rotate or move it in the case of producing a double-integrated vehicle;

[0023] A second welding member, the second welding member being located above the second conveyor belt horizontally, the second welding member being configured to reinforce the underbody of a single-integrated vehicle in the case of producing a single-integrated vehicle, and to reinforce the inner panel frame of a double-integrated vehicle in the case of producing a double-integrated vehicle.

[0024] Optionally, the second integrated assembly includes:

[0025] A third conveyor belt, the inlet of the third conveyor belt being in communication with the outlet of the second conveyor belt, the third conveyor belt being configured to convey the side body assembly and the underbody of a single-integrated vehicle in the case of producing a single-integrated vehicle, and to convey the outer panel assembly of the side body and the inner panel frame of a double-integrated vehicle in the case of producing a double-integrated vehicle;

[0026] A third welding member, the third welding member being located above the third conveyor belt horizontally, the third welding member being configured to weld the side body assembly and the underbody of a single-integrated vehicle to form a vehicle body in the case of producing a single-integrated vehicle, and to weld the outer panel assembly of the side body and the inner panel frame of a double-integrated vehicle to form a vehicle body in the case of producing a double-integrated vehicle;

[0027] A third robot group, the third robot group including a plurality of third robots, the plurality of third robots being located on the horizontal sides of the third conveyor belt, the third robot group being configured to grasp the side body assembly of a single-integrated vehicle and rotate or move it in the case of producing a single-integrated vehicle, and to grasp the outer panel assembly of the side body of a double-integrated vehicle and rotate or move it in the case of producing a double-integrated vehicle;

[0028] The third positioning member, which is fixed to the side of the third conveyor belt, is used to fix the lower body of the single total-assembled vehicle during the welding process in the case of producing a single total-assembled vehicle, and to fix the inner panel skeleton of the double total-assembled vehicle during the welding process in the case of producing a double total-assembled vehicle.

[0029] Optionally, the second total-assembly component further includes:

[0030] The third gripper and the fourth gripper, which are located on the horizontal two sides of the third conveyor belt. The third gripper is used to move the side body assembly of the single total-assembled vehicle to the third conveyor belt in the case of producing a single total-assembled vehicle, and the fourth gripper is used to move the outer panel assembly of the side body of the double total-assembled vehicle to the third conveyor belt in the case of producing a double total-assembled vehicle.

[0031] Optionally, the second repair welding component includes:

[0032] The fourth conveyor belt, whose inlet is communicated with the outlet of the third conveyor belt. The fourth conveyor belt is used to convey the body of the single total-assembled vehicle in the case of producing a single total-assembled vehicle, and to convey the body of the double total-assembled vehicle in the case of producing a double total-assembled vehicle;

[0033] The fourth positioning member, which is fixed to the side of the fourth conveyor belt, is used to fix the body of the single total-assembled vehicle during the reinforcement process in the case of producing a single total-assembled vehicle, and to fix the body of the double total-assembled vehicle during the reinforcement process in the case of producing a double total-assembled vehicle;

[0034] The fourth robot group, which includes a plurality of fourth robots located on the horizontal two sides of the fourth conveyor belt. The fourth robot group is used to grab and rotate or move the body of the single total-assembled vehicle in the case of producing a single total-assembled vehicle, and to grab and rotate or move the body of the double total-assembled vehicle in the case of producing a double total-assembled vehicle;

[0035] The fourth welding member, which is located above the fourth conveyor belt horizontally, is used to reinforce the side body assembly and the lower body of the single total-assembled vehicle in the case of producing a single total-assembled vehicle, and to reinforce the outer panel assembly of the side body and the inner panel skeleton of the double total-assembled vehicle in the case of producing a single total-assembled vehicle.

[0036] Optionally, the roof assembly component includes:

[0037] The fifth conveyor belt, which is used to convey the body and the roof of the single total-assembled vehicle in the case of producing a single total-assembled vehicle, and to convey the body and the roof of the double total-assembled vehicle in the case of producing a double total-assembled vehicle;

[0038] The fifth welding component, which is located horizontally above the fifth conveyor belt and is used to weld the roof and the body of the single-assembled vehicle together in the case of producing a single-assembled vehicle, and to weld the roofs and bodies of the double-assembled vehicles together in the case of producing a double-assembled vehicle;

[0039] The fifth robot group, which includes at least one fifth robot located on the side of the fifth conveyor belt and is used to grasp and rotate or move the roof of the single-assembled vehicle in the case of producing a single-assembled vehicle, and to grasp and rotate or move the roof of the double-assembled vehicle in the case of producing a double-assembled vehicle;

[0040] The fifth positioning component, which is fixed to the side of the fifth conveyor belt and is used to fix the roof of the single-assembled vehicle during the welding process in the case of producing a single-assembled vehicle, and to fix the roof of the double-assembled vehicle during the welding process in the case of producing a double-assembled vehicle.

[0041] Optionally, the roof assembly component further includes:

[0042] The second slide group, which includes at least one second slide located on the side of the fifth conveyor belt and is used to move or place the roof of the single-assembled vehicle in the case of producing a single-assembled vehicle, and to move or place the roof of the double-assembled vehicle in the case of producing a double-assembled vehicle;

[0043] The fifth gripper and the sixth gripper, which are located on the horizontal two sides of the fifth conveyor belt. The fifth gripper is used to move the roof of the single-assembled vehicle from the second slide to the fifth conveyor belt in the case of producing a single-assembled vehicle, and the sixth gripper is used to move the roof of the double-assembled vehicle from the second slide to the fifth conveyor belt in the case of producing a double-assembled vehicle.

[0044] Optionally, it further includes a safety fence. The first assembly component, the first repair welding component, the second assembly component, the second repair welding component and the roof assembly component are located inside the safety fence. The safety fence is provided with sensors, and the sensors are connected to the controllers of the first assembly component, the first repair welding component, the second assembly component, the second repair welding component and the roof assembly component. The controller is used to stop the work of each component in the vehicle production system when it senses that an object has passed through.

[0045] One of the above technical solutions has the following advantages or beneficial effects:

[0046] In an embodiment of the present invention, by arranging a first general assembly component, a first repair welding component, a second general assembly component, a second repair welding component, and a roof assembly component in a vehicle production system, the underbody, side body assembly, and roof of a single general assembly vehicle are welded in the case of producing a single general assembly vehicle, and the inner side body panel assembly, inner roof panel, underbody, outer side body panel, and roof of a double general assembly vehicle are welded in the case of producing a double general assembly vehicle, so as to meet different production requirements, reduce the idle time of the production system, and improve the utilization rate of the production system. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for describing the embodiments of the present invention will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those of ordinary skill in the art without creative efforts based on these drawings.

[0048] Figure 1 FIG. [FIG. NUMBER] is a schematic structural diagram of a vehicle production system provided by an embodiment of the present invention;

[0049] Figure 2 FIG. [FIG. NUMBER] is a schematic structural diagram of the first general assembly component provided by an embodiment of the present invention;

[0050] Figure 3 FIG. [FIG. NUMBER] is a schematic structural diagram of the first repair welding component provided by an embodiment of the present invention;

[0051] Figure 4 FIG. [FIG. NUMBER] is a schematic structural diagram of the second general assembly component provided by an embodiment of the present invention;

[0052] Figure 5 FIG. [FIG. NUMBER] is a schematic structural diagram of the second repair welding component provided by an embodiment of the present invention;

[0053] Figure 6 FIG. [FIG. NUMBER] is a schematic structural diagram of the roof assembly component provided by an embodiment of the present invention. [[ID=3O]] DETAILED DESCRIPTION OF THE EMBODIMENTS

[0054] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the scope of protection of the present invention.

[0055] Please refer to Figure 1 , Figure 1 which is a schematic structural diagram of a vehicle production system provided by an embodiment of the present invention. As shown in Figure 1 , the vehicle production system includes: Note: The specific figure numbers in the "FIG. [FIG. NUMBER]" parts need to be filled in according to the actual figures in the original patent content.

[0056] The first overall assembly component 10 is used to weld the inner side panel assembly, the inner roof panel and the lower vehicle body of the double overall assembly vehicle together to form an inner panel skeleton;

[0057] The first repair welding component 20, the inlet of the first repair welding component 20 is communicated with the outlet of the first overall assembly component 10. The first repair welding component 20 is used to reinforce the lower vehicle body of the single overall assembly vehicle in the case of producing a single overall assembly vehicle, and to reinforce the inner panel skeleton of the double overall assembly vehicle in the case of producing a double overall assembly vehicle;

[0058] The second overall assembly component 3, the inlet of the second overall assembly component 30 is communicated with the outlet of the first repair welding component 20. The second overall assembly component 30 is used to weld the side panel assembly and the lower vehicle body of the single overall assembly vehicle together to form a vehicle body in the case of producing a single overall assembly vehicle, and to weld the outer side panel assembly and the inner panel skeleton of the double overall assembly vehicle together to form a vehicle body in the case of producing a double overall assembly vehicle;

[0059] The second repair welding component 40, the inlet of the second repair welding component 40 is communicated with the outlet of the second overall assembly component 30. The second repair welding component 40 is used to reinforce the side panel assembly and the lower vehicle body of the single overall assembly vehicle in the case of producing a single overall assembly vehicle, and to reinforce the outer side panel assembly and the inner panel skeleton of the double overall assembly vehicle in the case of producing a double overall assembly vehicle;

[0060] The roof assembly component 50, the inlet of the roof assembly component 50 is communicated with the outlet of the second repair welding component 40. The roof assembly component 50 is used to weld the roof and the vehicle body of the single overall assembly vehicle together in the case of producing a single overall assembly vehicle, and to weld the roof of the double overall assembly and the vehicle body together in the case of producing a double overall assembly vehicle.

[0061] The above vehicle production system is used to weld the various components of the single overall assembly vehicle together, and to weld the various components of the double overall assembly vehicle together. Among them, the components of the single overall assembly vehicle include the lower vehicle body, the side panel assembly and the roof, which are welded and reinforced by the first repair welding component 20, the second overall assembly component 30, the second repair welding component 40 and the roof assembly component 50; the components of the double overall assembly vehicle include the inner side panel assembly, the inner roof panel, the lower vehicle body, the outer side panel and the roof, which are welded and reinforced by the first overall assembly component 10, the first repair welding component 20, the second overall assembly component 30, the second repair welding component 40 and the roof assembly component 50.

[0062] Specifically, in the case of producing a single-assembled vehicle, the first assembly component 10 does not work, and the lower body of the single-assembled vehicle is directly transferred to the first repair welding component 20 for processing steps such as reconnection or reinforcement; after reinforcing the lower body of the single-assembled vehicle, the lower body is transferred to the second assembly component 30, and the lower body and the side wall assembly are welded in the second assembly component 30 to form the body of the single-assembled vehicle; then the body of the single-assembled vehicle is transferred to the second welding component for reinforcement; finally, the body of the single-assembled vehicle after reinforcement is transferred to the roof assembly component 50, and the body and the roof are welded through the roof assembly component 50 to complete the welding of the entire body structure of the single-assembled vehicle.

[0063] In the case of producing a double-assembled vehicle, the first assembly component 10 welds the inner side wall assembly, the inner roof panel and the lower body of the double-assembled vehicle to form an inner panel skeleton; the inner panel skeleton of the double-assembled vehicle is transferred to the first repair welding component 20 for reinforcement; after reinforcing the inner panel skeleton of the double-assembled vehicle, the inner panel skeleton is transferred to the second assembly component 30, and the inner panel skeleton and the outer side wall are welded in the second assembly component 30 to form the body of the double-assembled vehicle; then the body of the double-assembled vehicle is transferred to the second welding component for reinforcement; finally, the body of the double-assembled vehicle after reinforcement is transferred to the roof assembly component 50, and the body and the roof are welded through the roof assembly component 50 to complete the welding of the entire body structure of the double-assembled vehicle.

[0064] In the embodiment of the present invention, by arranging the first assembly component 10, the first repair welding component 20, the second assembly component 30, the second repair welding component 40 and the roof assembly component 50 in the vehicle production system, the lower body, the side wall assembly and the roof of the single-assembled vehicle are welded in the case of producing a single-assembled vehicle, and the inner side wall assembly, the inner roof panel, the lower body, the outer side wall and the roof of the double-assembled vehicle are welded in the case of producing a double-assembled vehicle, so as to meet different production requirements, reduce the idle time of the production system and improve the utilization rate of the production system.

[0065] Optionally, as Figure 2 shown, the first assembly component 10 includes:

[0066] A first conveyor belt 101 for transporting the inner side wall assembly, the inner roof panel and the lower body of the double-assembled vehicle;

[0067] A first welding piece 102 located above the first conveyor belt 101 in the horizontal direction, and the first welding piece 102 is used to weld the inner side wall assembly, the inner roof panel and the lower body of the double-assembled vehicle together to form an inner panel skeleton;

[0068] The first robot group 103, the first robot group 103 includes a plurality of first robots, the plurality of first robots are located on the horizontal two sides of the first conveyor belt 101, and different first robots among the plurality of first robots are respectively used to grasp and rotate or move the inner panel assembly of the side wall of the double general assembly vehicle, to grasp and rotate or move the inner panel of the roof, and to grasp and rotate or move the underbody;

[0069] The first positioning member 104, the first positioning member 104 is fixed to the side surface of the first conveyor belt 101, and the first positioning member 104 is used to fix the underbody of the double general assembly vehicle during the welding process.

[0070] The first positioning members 104 are fixed to both sides of the first conveyor belt 101. Since the first general assembly component 10 only welds the components of the double general assembly vehicle, and three components, namely the inner panel assembly of the side wall, the inner panel of the roof, and the underbody, need to be welded during the welding process, and the first conveyor belt 101 usually directly conveys the underbody, and the inner panel assembly of the side wall and the inner panel of the roof need to be welded to the underbody, so it is necessary to fix the first positioning member 104 on the side surface of the first conveyor belt 101 to fix the underbody through the first positioning member 104.

[0071] Wherein, the first positioning member 104 can be a fixture controlled by a torque motor, and is fixed by clamping the opposite two sides of the underbody.

[0072] The above-mentioned first welding member 102 is used to weld the inner panel assembly of the side wall, the inner panel of the roof, and the underbody. The first welding member 102 is installed on an adjustable support frame, and the height of the first welding member 102 is adjusted through the adjustable support frame. Further, the first welding member 102 includes a base, and the first welding member 102 is rotatably installed on the surface of the base. Since it is necessary to weld the inner panel assembly of the side wall and the inner panel of the roof at different positions of the underbody, welding at different positions is achieved through the adjustable support frame and the base.

[0073] The plurality of first robots of the above-mentioned first robot group 103 can be robotic arms, and the inner panel assembly of the side wall, the inner panel of the roof, and the underbody are grasped and rotated by the robotic arms, and cooperate with the first welding member 102 to weld different positions.

[0074] In the embodiment of the present invention, the first general assembly component 10 includes a first conveyor belt 101, a first welding member 102, a first robot group 103, and a first positioning member 104. The inner panel assembly of the side wall, the inner panel of the roof, and the underbody of the double general assembly vehicle are welded together through the first conveyor belt 101, the first welding member 102, the first robot group 103, and the first positioning member 104 to form an inner panel skeleton, realizing the preliminary processing of the inner panel assembly, the inner panel of the roof, and the underbody of the double general assembly vehicle.

[0075] Optionally, the first general assembly component 10 further includes:

[0076] The first slide table group 105, the first slide table group 105 includes a plurality of first slide tables, the plurality of first slide tables are arranged on the horizontal two sides of the first conveyor belt 101, and different first slide tables among the plurality of first slide tables are respectively used for moving or placing the inner roof panel of the double general assembly vehicle, and for moving or placing the inner side panel assembly of the double general assembly vehicle;

[0077] The first gripper 106 and the second gripper 107, the first gripper 106 and the second gripper 107 are located on the horizontal two sides of the first conveyor belt 101, the first gripper 106 is used for moving the inner roof panel of the double general assembly vehicle from the first slide table to the first conveyor belt 101, and the second gripper 107 is used for moving the inner side panel assembly of the double general assembly vehicle from the first slide table to the first conveyor belt 101.

[0078] A plurality of rollers are arranged on the first slide table in the above-mentioned first slide table group 105. Placing the inner roof panel and the inner side panel assembly on the first slide table can reduce the conveying resistance, and the inner roof panel and the inner side panel assembly are conveyed to a position close to the first conveyor belt through the first slide table group 105.

[0079] The above-mentioned first gripper 106 and second gripper 107 can be fixtures or robotic arms. The inner roof panel is grabbed from the first slide table to the first conveyor belt 101 by the first gripper 106, and the inner side panel assembly is grabbed from the first slide table to the first conveyor belt 101 by the second gripper 107, so as to facilitate the first robot group 103 to grab the inner roof panel and the inner side panel assembly for welding.

[0080] In the embodiment of the present invention, the first general assembly component 10 further includes a first slide table group 105, a first gripper 106 and a second gripper 107. The inner roof panel and the inner side panel assembly are moved or placed through the first slide table group 105, and then the inner roof panel and the inner side panel assembly are moved to the first conveyor belt 101 through the first gripper 106 and the second gripper 107, thereby realizing the preliminary processing of the inner panel assembly, the inner roof panel and the lower vehicle body of the double general assembly vehicle.

[0081] Optionally, as Figure 3 shown, the first repair welding component 20 includes:

[0082] The second conveyor belt 201, the inlet of the second conveyor belt 201 is communicated with the outlet of the first conveyor belt 101. The second conveyor belt 201 is used for conveying the lower vehicle body of the single general assembly vehicle in the case of producing a single general assembly vehicle, and for conveying the inner panel skeleton of the double general assembly vehicle in the case of producing a double general assembly vehicle;

[0083] The second positioning member 202 is fixed to the side of the second conveyor belt 201. The second positioning member 202 is used to fix the underbody of the single-assembly vehicle during the reinforcement process when producing a single-assembled vehicle, and to fix the inner panel skeleton of the double-assembled vehicle during the reinforcement process when producing a double-assembled vehicle;

[0084] The second robot group 203 includes a plurality of second robots. The plurality of second robots are located on the horizontal two sides of the second conveyor belt 201. The second robot group 203 is used to grasp the underbody of the single-assembled vehicle and rotate or move it when producing a single-assembled vehicle, and to grasp the inner panel skeleton of the double-assembled vehicle and rotate or move it when producing a double-assembled vehicle;

[0085] The second welding member 204 is located above the horizontal of the second conveyor belt 201. The second welding member 204 is used to reinforce the underbody of the single-assembled vehicle when producing a single-assembled vehicle, and to reinforce the inner panel skeleton of the double-assembled vehicle when producing a double-assembled vehicle.

[0086] The second positioning member 202 is fixed to both sides of the second conveyor belt 201. Since the first repair welding assembly 20 needs to weld the underbody of the single-assembled vehicle and reinforce the inner panel skeleton of the double-assembled vehicle, and needs to be fixed during the reinforcement process, the second positioning member 202 is fixed to the side of the second conveyor belt 201, and the underbody is fixed by the second positioning member 202.

[0087] Among them, the second positioning member 202 can be a fixture controlled by a torque motor, and is fixed by clamping the opposite sides of the underbody or the inner panel skeleton.

[0088] The second robot in the second robot group 203 can be a robotic arm. The robotic arm is used to grasp the underbody of the single-assembled vehicle and rotate or move it, and to grasp the inner panel skeleton of the double-assembled vehicle and rotate or move it, so as to cooperate with the second welding member 204 to reinforce the underbody of the single-assembled vehicle and different positions of the inner panel skeleton of the double-assembled vehicle.

[0089] The above-mentioned second welding member 204 is used to reinforce the underbody of the single-assembled vehicle, and the side inner panel assembly, the roof inner panel and the underbody of the double-assembled vehicle. The second welding member 204 is installed on an adjustable support frame, and the height of the second welding member 204 is adjusted through the adjustable support frame. Further, the second welding member 204 includes a base, and the second welding member 204 is rotatably installed on the surface of the base. Since it is necessary to reinforce different positions of the underbody of the single-assembled vehicle and the inner panel skeleton of the double-assembled vehicle, welding at different positions is achieved through the adjustable support frame and the base.

[0090] In an embodiment of the present invention, the first repair welding assembly 20 includes a second conveyor belt 201, a second positioning member 202, a second robot group 203, and a second welding member 204. The lower body of the single-assembled vehicle and the inner panel skeleton of the double-assembled vehicle are reinforced by the second conveyor belt 201, the second positioning member 202, the second robot group 203, and the second welding member 204.

[0091] Optionally, as Figure 4 shown, the second general assembly component 30 includes:

[0092] A third conveyor belt 301, the inlet of the third conveyor belt 301 is communicated with the outlet of the second conveyor belt 201. The third conveyor belt 301 is used to convey the side body assembly and the lower body of the single-assembled vehicle in the case of producing a single-assembled vehicle, and to convey the outer panel assembly and the inner panel skeleton of the double-assembled vehicle in the case of producing a double-assembled vehicle;

[0093] A third welding member 302, the third welding member 302 is located above the third conveyor belt 301 horizontally. The third welding member 302 is used to weld the side body assembly and the lower body of the single-assembled vehicle to form a vehicle body in the case of producing a single-assembled vehicle, and to weld the outer panel assembly and the inner panel skeleton of the double-assembled vehicle to form a vehicle body in the case of producing a double-assembled vehicle;

[0094] A third robot group 303, the third robot group 303 includes a plurality of third robots. The plurality of third robots are located on the horizontal two sides of the third conveyor belt 301. The third robot group 303 is used to grab and rotate or move the side body assembly of the single-assembled vehicle in the case of producing a single-assembled vehicle, and to grab and rotate or move the outer panel assembly of the double-assembled vehicle in the case of producing a double-assembled vehicle;

[0095] A third positioning member 304, the third positioning member 304 is fixed to the side of the third conveyor belt 301. The third positioning member 304 is used to fix the lower body of the single-assembled vehicle during the welding process in the case of producing a single-assembled vehicle, and to fix the inner panel skeleton of the double-assembled vehicle during the welding process in the case of producing a double-assembled vehicle.

[0096] The third positioning members 304 are fixed on both sides of the third conveyor belt 301. Since the third general assembly component needs to weld the side body assembly and the lower body of the single-assembled vehicle, and to weld the outer panel assembly and the inner panel skeleton of the double-assembled vehicle, it is necessary to fix the third positioning members 304 on the side of the third conveyor belt 301 to fix the lower body of the single-assembled vehicle and the inner panel skeleton of the double-assembled vehicle through the third positioning members 304.

[0097] Among them, the third positioning member 304 can be a torque motor-controlled fixture, which is fixed by clamping the underbody of the single-total-assembly vehicle and the opposite sides of the inner panel skeleton of the double-total-assembly vehicle.

[0098] Further, the third positioning member 304 can include a positioning member for positioning the side wall assembly of the single-total-assembly vehicle and a positioning member for positioning the outer panel assembly of the side wall of the double-total-assembly vehicle, so that the second total-assembly component 30 can correspond to different production requirements.

[0099] The above-mentioned third welding member 302 is used for welding the side wall assembly and the underbody of the single-total-assembly vehicle, and for welding the outer panel assembly and the inner panel skeleton of the double-total-assembly vehicle. The third welding member 302 is installed on an adjustable support frame, and the height of the third welding member 302 is adjusted through the adjustable support frame. Further, the third welding member 302 includes a base, and the first welding member 102 is rotatably installed on the surface of the base. Since it is necessary to weld different positions of the underbody of the single-total-assembly vehicle and the outer panel assembly and the inner panel skeleton of the double-total-assembly vehicle, welding of different positions is achieved through the adjustable support frame and the base.

[0100] The multiple third robots of the above-mentioned third robot group 303 can be robotic arms, which grab the side wall assembly and the underbody of the single-total-assembly vehicle, and the outer panel assembly and the inner panel skeleton of the double-total-assembly vehicle through the robotic arms to rotate or move, and cooperate with the third welding member 302 to weld different positions.

[0101] In the embodiment of the present invention, the third total-assembly component includes a third conveyor belt 301, a third welding member 302, a third robot group 303 and a third positioning member 304. In the case of producing a single-total-assembly vehicle, the side wall assembly and the underbody of the single-total-assembly vehicle are welded through the third conveyor belt 301, the third welding member 302, the third robot group 303 and the third positioning member 304, and in the case of producing a double-total-assembly vehicle, the outer panel assembly and the inner panel skeleton of the double-total-assembly vehicle are welded, so as to realize the further processing of the side wall assembly and the underbody of the single-total-assembly vehicle, and the outer panel assembly and the inner panel skeleton of the double-total-assembly vehicle.

[0102] Optionally, the second total-assembly component 30 further includes:

[0103] A third gripper 305 and a fourth gripper 306. The third gripper 305 and the fourth gripper 306 are located on the horizontal two sides of the third conveyor belt 301. The third gripper 305 is used to move the side wall assembly of the single-total-assembly vehicle to the third conveyor belt 301 in the case of producing a single-total-assembly vehicle, and the fourth gripper 306 is used to move the outer panel assembly of the side wall of the double-total-assembly vehicle to the third conveyor belt 301 in the case of producing a double-total-assembly vehicle.

[0104] The above-mentioned third gripper 305 and fourth gripper 306 can be fixtures or robotic arms to achieve the grasping of the side wall assembly of the single-integrated vehicle and the outer side wall assembly of the double-integrated vehicle. Exemplarily, the third gripper 305 is a fixture. The third gripper 305 is provided with a rotating member and a moving wheel. The side wall assembly of the single-integrated vehicle is gripped by the third gripper 305, and the side wall assembly is moved to the third conveyor belt 301 through the rotating member and the moving wheel. Similarly, the fourth gripper 306 grasps the outer side wall assembly of the double-integrated vehicle and moves the outer side wall assembly of the double-integrated vehicle to the third conveyor belt 301.

[0105] In the embodiment of the present invention, the second integrated assembly 30 further includes a third gripper 305 and a fourth gripper 306. The side wall assembly of the single-integrated vehicle is moved to the third conveyor belt 301 through the third gripper 305, and the fourth gripper 306 is used to move the outer side wall assembly of the double-integrated vehicle to the third conveyor belt 301, so as to move the parts to be welded to the third conveyor belt 301 in different production requirements.

[0106] Optionally, as Figure 5 shown, the second repair welding assembly 40 includes:

[0107] A fourth conveyor belt 401, the inlet of the fourth conveyor belt 401 is communicated with the outlet of the third conveyor belt 301. The fourth conveyor belt 401 is used to convey the body of the single-integrated vehicle in the case of producing a single-integrated vehicle, and convey the body of the double-integrated vehicle in the case of producing a double-integrated vehicle;

[0108] A fourth positioning member 402, the fourth positioning member 402 is fixed on the side of the fourth conveyor belt 401. The fourth positioning member 402 is used to fix the body of the single-integrated vehicle during the reinforcement process in the case of producing a single-integrated vehicle, and fix the body of the double-integrated vehicle during the reinforcement process in the case of producing a double-integrated vehicle;

[0109] A fourth robot group 403, the fourth robot group 403 includes a plurality of fourth robots. The plurality of fourth robots are located on the horizontal two sides of the fourth conveyor belt 401. The fourth robot group 403 is used to grasp the body of the single-integrated vehicle and rotate or move it in the case of producing a single-integrated vehicle, and grasp the body of the double-integrated vehicle and rotate or move it in the case of producing a double-integrated vehicle;

[0110] A fourth welding member 404, the fourth welding member 404 is located above the horizontal of the fourth conveyor belt 401. The fourth welding member 404 is used to reinforce the side wall assembly and the lower vehicle body of the single-integrated vehicle in the case of producing a single-integrated vehicle, and reinforce the outer side wall assembly and the inner panel frame of the double-integrated vehicle in the case of producing a single-integrated vehicle.

[0111] It should be understood that, similar to the first repair welding assembly 20, the second repair welding assembly 40 is used to reinforce the vehicle body after welding of the second overall assembly assembly 30. Among them, fourth positioning members 402 are fixed on both sides of the fourth conveyor belt 401 to fix the vehicle body of the single overall assembly vehicle and the vehicle body of the double overall assembly vehicle, so as to reinforce the vehicle body.

[0112] Among them, the fourth positioning member 402 can be a fixture controlled by a torque motor, and is fixed by clamping the opposite sides of the vehicle body.

[0113] The fourth robot in the above-mentioned fourth robot group 403 can be a robotic arm, which grabs and rotates or moves the vehicle body of the single overall assembly vehicle, and, grabs and rotates or moves the vehicle body of the double overall assembly vehicle, and cooperates with the fourth welding member 404 to reinforce different positions of the vehicle body.

[0114] The above-mentioned fourth welding member 404 is used to reinforce the vehicle body of the single overall assembly vehicle, and, the vehicle body of the double overall assembly vehicle. The fourth welding member 404 is installed on an adjustable support frame, and the height of the fourth welding member 404 is adjusted through the adjustable support frame. Further, the fourth welding member 404 includes a base, and the fourth welding member 404 is rotatably installed on the surface of the base, and welding at different positions is achieved through the adjustable support frame and the base.

[0115] In the embodiment of the present invention, the second repair welding assembly 40 includes a fourth conveyor belt 401, fourth positioning members 402, a fourth robot group 403 and a fourth welding member 404, and the vehicle body of the single overall assembly vehicle, and, the vehicle body of the double overall assembly vehicle are reinforced through the fourth conveyor belt 401, fourth positioning members 402, fourth robot group 403 and fourth welding member 404.

[0116] Optionally, as Figure 6 shown, the roof assembly 50 includes:

[0117] A fifth conveyor belt 501, which is used to convey the vehicle body and roof of the single overall assembly vehicle in the case of producing a single overall assembly vehicle, and, convey the vehicle body and roof of the double overall assembly vehicle in the case of producing a double overall assembly vehicle;

[0118] A fifth welding member 502, which is located above the fifth conveyor belt 501 horizontally, and the fifth welding member 502 is used to weld the roof and vehicle body of the single overall assembly vehicle together in the case of producing a single overall assembly vehicle, and, weld the roof and vehicle body of the double overall assembly together in the case of producing a double overall assembly vehicle;

[0119] The fifth robot group 503, the fifth robot group 503 includes at least one fifth robot, the at least one fifth robot is located on the side of the fifth conveyor belt 501, and the fifth robot group 503 is used to grab the roof of the single-assembled vehicle and rotate or move it in the case of producing a single-assembled vehicle, and grab the roof of the double-assembled vehicle and rotate or move it in the case of producing a double-assembled vehicle;

[0120] The fifth positioning member 504, the fifth positioning member 504 is fixed to the side of the fifth conveyor belt 501, and the fifth positioning member 504 is used to fix the roof of the single-assembled vehicle during the welding process in the case of producing a single-assembled vehicle, and fix the roof of the double-assembled vehicle during the welding process in the case of producing a double-assembled vehicle.

[0121] The two sides of the above-mentioned fifth conveyor belt 501 are fixed with the fifth positioning member 504 to fix the body of the single-assembled vehicle and the body of the double-assembled vehicle, so as to reinforce the body.

[0122] Among them, the fifth positioning member 504 can be a fixture controlled by a torque motor, and is fixed by clamping the opposite sides of the vehicle body.

[0123] The fifth robot in the above-mentioned fifth robot group 503 can be a robotic arm, which grabs the roof of the single-assembled vehicle and rotates or moves it, and grabs the roof of the double-assembled vehicle and rotates or moves it, and cooperates with the fifth welding member 502 to reinforce different positions of the vehicle body.

[0124] The above-mentioned fifth welding member 502 is used to weld the body and the roof of the single-assembled vehicle together in the case of producing a single-assembled vehicle, and weld the body and the roof of the double-assembled vehicle together in the case of producing a double-assembled vehicle. The fifth welding member 502 is installed on an adjustable support frame, and the height of the fifth welding member 502 is adjusted through the adjustable support frame. Further, the fifth welding member 502 includes a base, and the fifth welding member 502 is rotatably installed on the surface of the base, and welding at different positions is achieved through the adjustable support frame and the base.

[0125] In the embodiment of the present invention, the roof assembly 50 includes a fifth conveyor belt 501, a fifth welding member 502, a fifth robot group 503 and a fifth positioning member 504. The body and the roof of the single-assembled vehicle are welded together through the fifth conveyor belt 501, the fifth welding member 502, the fifth robot group 503 and the fifth positioning member 504 in the case of producing a single-assembled vehicle, and the body and the roof of the double-assembled vehicle are welded together in the case of producing a double-assembled vehicle.

[0126] Optionally, the roof assembly 50 further includes:

[0127] The second slide table group 505, the second slide table group 505 includes at least one second slide table, the at least one second slide table is arranged on the side of the fifth conveyor belt 501, and the at least one second slide table is used to move or place the top cover of the single-assembled vehicle in the case of producing a single-assembled vehicle, and, in the case of producing a double-assembled vehicle, to move or place the top cover of the double-assembled vehicle;

[0128] The fifth gripper 506 and the sixth gripper 507, the fifth gripper 506 and the sixth gripper 507 are located on the horizontal two sides of the fifth conveyor belt 501, the fifth gripper 506 is used to move the top cover of the single-assembled vehicle from the second slide table to the fifth conveyor belt 501 in the case of producing a single-assembled vehicle, and the sixth gripper 507 is used to move the top cover of the double-assembled vehicle from the second slide table to the fifth conveyor belt 501 in the case of producing a double-assembled vehicle.

[0129] A plurality of rollers are arranged on the second slide table in the second slide table group 505. Placing the top cover on the first slide table can reduce the conveying resistance, and the top cover is conveyed to a position close to the fifth conveyor belt through the second slide table group 505.

[0130] The above-mentioned fifth gripper 506 and sixth gripper 507 can be fixtures or robotic arms. The top cover of the single-assembled vehicle is grabbed from the second slide table to the fifth conveyor belt 501 by the fifth gripper 506, and the top cover of the double-assembled vehicle is grabbed from the second slide table to the fifth conveyor belt 501 by the sixth gripper 507, so as to facilitate the fifth robot group 503 to grab the top cover for welding.

[0131] Optionally, as Figures 2 to 6 shown, the vehicle production system further includes a safety fence 60. The first assembly component 10, the first repair welding component 20, the second assembly component 30, the second repair welding component 40 and the top cover assembly component 50 are located inside the safety fence 60. The safety fence 60 is provided with sensors, and the sensors are connected to the controllers of the first assembly component 10, the first repair welding component 20, the second assembly component 30, the second repair welding component 40 and the top cover assembly component 50. The controller is used to stop the work of each component in the vehicle production system when an object crossing is sensed.

[0132] The above-mentioned safety fence 60 forms a closed space, which can be a closed space where all components are in one closed space, or can be multiple closed spaces where each component is in a different closed space. Among them, each component in the closed space is connected to a controller, and the controller is connected to the sensor of the safety fence 60 of the closed space. When an object crossing is sensed, the work of the components in the closed space is stopped to avoid personnel from straying in and getting injured, and improve the safety of production.

[0133] It should be noted that in this text, the term "comprise", "include" or any other variant thereof is intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the phrase "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising such element.

[0134] The embodiments of the present invention have been described above in conjunction with the accompanying drawings. However, the present invention is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present invention, those of ordinary skill in the art can also make many forms without departing from the spirit and scope of the present invention as protected by the claims, and all of them fall within the protection scope of the present invention.

Claims

1. A vehicle production system, characterized in that, Including: A first overall assembly component, which is used to weld the inner side panel assembly, the inner roof panel and the lower vehicle body of a double overall assembly vehicle together to form an inner panel skeleton; A first repair welding component, the inlet of which is communicated with the outlet of the first overall assembly component. The first repair welding component is used to reinforce the lower vehicle body of a single overall assembly vehicle during the production of a single overall assembly vehicle, and to reinforce the inner panel skeleton of a double overall assembly vehicle during the production of a double overall assembly vehicle; A second overall assembly component, the inlet of which is communicated with the outlet of the first repair welding component. The second overall assembly component is used to weld the side panel assembly and the lower vehicle body of a single overall assembly vehicle together to form a vehicle body during the production of a single overall assembly vehicle, and to weld the outer side panel assembly and the inner panel skeleton of a double overall assembly vehicle together to form a vehicle body during the production of a double overall assembly vehicle; A second repair welding component, the inlet of which is communicated with the outlet of the second overall assembly component. The second repair welding component is used to reinforce the side panel assembly and the lower vehicle body of a single overall assembly vehicle during the production of a single overall assembly vehicle, and to reinforce the outer side panel assembly and the inner panel skeleton of a double overall assembly vehicle during the production of a double overall assembly vehicle; A roof panel fitting component, the inlet of which is communicated with the outlet of the second repair welding component. The roof panel fitting component is used to weld the roof panel and the vehicle body of a single overall assembly vehicle together during the production of a single overall assembly vehicle, and to weld the roof panel of a double overall assembly and the vehicle body together during the production of a double overall assembly vehicle.

2. The vehicle production system according to claim 1, characterized in that, The first overall assembly component includes: A first conveyor belt, which is used to convey the inner side panel assembly, the inner roof panel and the lower vehicle body of a double overall assembly vehicle; A first welding piece, which is located above the first conveyor belt horizontally. The first welding piece is used to weld the inner side panel assembly, the inner roof panel and the lower vehicle body of a double overall assembly vehicle together to form an inner panel skeleton; A first robot group, which includes a plurality of first robots. The plurality of first robots are located on the horizontal two sides of the first conveyor belt. Different first robots among the plurality of first robots are respectively used to grab and rotate or move the inner side panel assembly of a double overall assembly vehicle, to grab and rotate or move the inner roof panel, and to grab and rotate or move the lower vehicle body; A first positioning piece, which is fixed on the side of the first conveyor belt. The first positioning piece is used to fix the lower vehicle body of a double overall assembly vehicle during the welding process.

3. The vehicle production system according to claim 2, wherein The first overall assembly component further includes: A first slide table group, which includes a plurality of first slide tables. The plurality of first slide tables are arranged on the horizontal two sides of the first conveyor belt. Different first slide tables among the plurality of first slide tables are respectively used to move or place the inner roof panel of a double overall assembly vehicle, and to move or place the inner side panel assembly of a double overall assembly vehicle. The first gripper and the second gripper, where the first gripper and the second gripper are located on the horizontal two sides of the first conveyor belt. The first gripper is used to move the inner roof panel of the double general assembly vehicle from the first sliding table to the first conveyor belt, and the second gripper is used to move the inner side panel assembly of the double general assembly vehicle from the first sliding table to the first conveyor belt.

4. The vehicle production system according to claim 1, characterized in that, The first repair welding assembly includes: The second conveyor belt, the entrance of the second conveyor belt is communicated with the exit of the first conveyor belt. The second conveyor belt is used to convey the underbody of the single general assembly vehicle in the case of producing a single general assembly vehicle, and to convey the inner panel skeleton of the double general assembly vehicle in the case of producing a double general assembly vehicle. The second positioning member, the second positioning member is fixed on the side of the second conveyor belt. The second positioning member is used to fix the underbody of the single assembly vehicle during the reinforcement process in the case of producing a single general assembly vehicle, and to fix the inner panel skeleton of the double assembly vehicle during the reinforcement process in the case of producing a double general assembly vehicle. The second robot group, the second robot group includes a plurality of second robots, the plurality of second robots are located on the horizontal two sides of the second conveyor belt. The second robot group is used to grab the underbody of the single general assembly vehicle and rotate or move it in the case of producing a single general assembly vehicle, and to grab the inner panel skeleton of the double general assembly vehicle and rotate or move it in the case of producing a double general assembly vehicle. The second welding member, the second welding member is located above the second conveyor belt horizontally. The second welding member is used to reinforce the underbody of the single general assembly vehicle in the case of producing a single general assembly vehicle, and to reinforce the inner panel skeleton of the double general assembly vehicle in the case of producing a double general assembly vehicle.

5. The vehicle production system according to claim 1, wherein The second general assembly component includes: The third conveyor belt, the entrance of the third conveyor belt is communicated with the exit of the second conveyor belt. The third conveyor belt is used to convey the side panel assembly and the underbody of the single general assembly vehicle in the case of producing a single general assembly vehicle, and to convey the outer side panel assembly and the inner panel skeleton of the double general assembly vehicle in the case of producing a double general assembly vehicle. The third welding member, the third welding member is located above the third conveyor belt horizontally. The third welding member is used to weld the side panel assembly and the underbody of the single general assembly vehicle to form a vehicle body in the case of producing a single general assembly vehicle, and to weld the outer side panel assembly and the inner panel skeleton of the double general assembly vehicle to form a vehicle body in the case of producing a double general assembly vehicle. The third robot group, the third robot group includes a plurality of third robots, the plurality of third robots are located on the horizontal two sides of the third conveyor belt. The third robot group is used to grab the side panel assembly of the single general assembly vehicle and rotate or move it in the case of producing a single general assembly vehicle, and to grab the outer side panel assembly of the double general assembly vehicle and rotate or move it in the case of producing a double general assembly vehicle. The third positioning member, the third positioning member is fixed on the side of the third conveyor belt. The third positioning member is used to fix the underbody of the single general assembly vehicle during the welding process in the case of producing a single general assembly vehicle, and to fix the inner panel skeleton of the double general assembly vehicle during the welding process in the case of producing a double general assembly vehicle.

6. The vehicle production system according to claim 5, characterized in that, The second general assembly component further includes: The third gripper and the fourth gripper, the third gripper and the fourth gripper are located on the horizontal two sides of the third conveyor belt, the third gripper is used to move the side wall assembly of the single total-assembled vehicle to the third conveyor belt in the case of producing a single total-assembled vehicle, and the fourth gripper is used to move the outer panel assembly of the side wall of the double total-assembled vehicle to the third conveyor belt in the case of producing a double total-assembled vehicle.

7. The vehicle production system according to claim 1, characterized in that, The second repair welding assembly includes: The fourth conveyor belt, the inlet of the fourth conveyor belt is communicated with the outlet of the third conveyor belt, the fourth conveyor belt is used to convey the body of the single total-assembled vehicle in the case of producing a single total-assembled vehicle, and to convey the body of the double total-assembled vehicle in the case of producing a double total-assembled vehicle; The fourth positioning member, the fourth positioning member is fixed on the side of the fourth conveyor belt, the fourth positioning member is used to fix the body of the single total-assembled vehicle during the reinforcement process in the case of producing a single total-assembled vehicle, and to fix the body of the double total-assembled vehicle during the reinforcement process in the case of producing a double total-assembled vehicle; The fourth robot group, the fourth robot group includes a plurality of fourth robots, the plurality of fourth robots are located on the horizontal two sides of the fourth conveyor belt, the fourth robot group is used to grab the body of the single total-assembled vehicle and rotate or move it in the case of producing a single total-assembled vehicle, and to grab the body of the double total-assembled vehicle and rotate or move it in the case of producing a double total-assembled vehicle; The fourth welding member, the fourth welding member is located above the fourth conveyor belt horizontally, the fourth welding member is used to reinforce the side wall assembly and the lower body of the single total-assembled vehicle in the case of producing a single total-assembled vehicle, and to reinforce the outer panel assembly of the side wall of the double total-assembled vehicle and the inner panel framework in the case of producing a double total-assembled vehicle.

8. The vehicle production system according to claim 1, characterized in that, The roof assembly includes: The fifth conveyor belt, the fifth conveyor belt is used to convey the body and the roof of the single total-assembled vehicle in the case of producing a single total-assembled vehicle, and to convey the body and the roof of the double total-assembled vehicle in the case of producing a double total-assembled vehicle; The fifth welding member, the fifth welding member is located above the fifth conveyor belt horizontally, the fifth welding member is used to weld the roof and the body of the single total-assembled vehicle together in the case of producing a single total-assembled vehicle, and to weld the roof and the body of the double total-assembled vehicle together in the case of producing a double total-assembled vehicle; The fifth robot group, the fifth robot group includes at least one fifth robot, the at least one fifth robot is located on the side of the fifth conveyor belt, the fifth robot group is used to grab the roof of the single total-assembled vehicle and rotate or move it in the case of producing a single total-assembled vehicle, and to grab the roof of the double total-assembled vehicle and rotate or move it in the case of producing a double total-assembled vehicle; The fifth positioning member, the fifth positioning member is fixed on the side of the fifth conveyor belt, the fifth positioning member is used to fix the roof of the single total-assembled vehicle during the welding process in the case of producing a single total-assembled vehicle, and to fix the roof of the double total-assembled vehicle during the welding process in the case of producing a double total-assembled vehicle.

9. The vehicle production system according to claim 8, characterized in that, The roof assembly further includes: The second sliding table group, the second sliding table group includes at least one second sliding table, the at least one second sliding table is arranged on the side of the fifth conveyor belt, and the at least one second sliding table is used for moving or placing the roof cover of the single total assembly vehicle in the case of producing a single total assembly vehicle, and for moving or placing the roof cover of the double total assembly vehicle in the case of producing a double total assembly vehicle; The fifth gripper and the sixth gripper, the fifth gripper and the sixth gripper are located on the horizontal two sides of the fifth conveyor belt, the fifth gripper is used for moving the roof cover of the single total assembly vehicle from the second sliding table to the fifth conveyor belt in the case of producing a single total assembly vehicle, and the sixth gripper is used for moving the roof cover of the double total assembly vehicle from the second sliding table to the fifth conveyor belt in the case of producing a double total assembly vehicle.

10. The vehicle production system according to any one of claims 1 to 9, characterized in that, It further includes a safety fence, the first total assembly component, the first repair welding component, the second total assembly component, the second repair welding component and the roof cover assembly component are located inside the safety fence, the safety fence is provided with a sensor, the sensor is connected to the controllers of the first total assembly component, the first repair welding component, the second total assembly component, the second repair welding component and the roof cover assembly component, and the controller is used for stopping the work of each component in the vehicle production system when an object crossing is sensed.

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