CN221494580U

CN221494580U - Production line of automobile rear wall assembly

Info

Publication number: CN221494580U
Application number: CN202323262859.3U
Authority: CN
Inventors: 徐宏林; 赵前俊; 陈涛; 张毅; 刘猛; 詹友
Original assignee: Dalian Puwei New Material Technology Co ltd
Current assignee: Dalian Puwei New Material Technology Co ltd
Priority date: 2023-11-30
Filing date: 2023-11-30
Publication date: 2024-08-09
Anticipated expiration: 2033-11-30

Abstract

The invention discloses a production line of an automobile rear wall assembly, which comprises an inner plate assembly workbench, an outer plate assembly workbench, an inner plate and outer plate assembly workbench, a first repair welding workbench, a floor welding clamp, a stud welding clamp, a test bench, a first welding robot, a second welding robot and a grabbing robot, the first welding robot, the second welding robot and the grabbing robot are sequentially arranged, and the welding assembly of the rear inner plate and the welding assembly of the rear outer plate, the welding assembly of the rear inner plate and the welding assembly of the rear outer plate, the spot welding repair welding and the stud welding repair welding are sequentially completed. The three robots are matched with each other, so that the automation degree of the production of the automobile rear wall assembly is improved, the welding work of a large number of welding spots is split into three working procedures, the working time of each working procedure is reasonably distributed, the phenomenon that the robots wait idle to influence the whole production beat is avoided, the whole production efficiency of a production line is improved, and welding leakage is avoided.

Description

Production line of automobile rear wall assembly

Technical Field

The invention relates to the technical field of automobile body production, in particular to a production line of an automobile rear wall assembly.

Background

The back panel of the automobile refers to a baffle of a trunk, the back panel is an automobile body covering part and is formed by combining a plurality of plates, the automobile back panel can absorb impact force when an automobile has a traffic accident, the injury of passengers is reduced, in the production process of the automobile back panel, a plurality of part plates forming the automobile back panel are required to be processed and then assembled and welded, welding spots are more in the whole production process, and a plurality of robots responsible for different welding processes are required to be matched with each other to finish.

The welding production line of the automobile rear wall assembly is divided into a plurality of working areas, each part plate sequentially passes through each working area to finish each welding process step, in actual production, because the working time of each welding robot is different, each individual robot has longer idle waiting time, and the production efficiency is reduced, so how to avoid welding few welding spots, and improving the production efficiency while ensuring the welding quality is a problem to be solved urgently in the design of the automobile rear wall production line.

Disclosure of Invention

The invention provides a production line of an automobile rear wall assembly, which aims to overcome the technical problems.

In order to achieve the above object, the technical scheme of the present invention is as follows:

a production line of an automobile rear wall assembly comprises an inner plate assembly workbench, an outer plate assembly workbench, an inner plate and outer plate assembly workbench, a first repair welding workbench, a floor welding clamp, a stud welding clamp, a test bench, a first welding robot, a second welding robot and a grabbing robot;

The first welding robot, the second welding robot and the grabbing robot are sequentially arranged, the first welding robot sequentially passes through the inner plate assembly workbench and the outer plate assembly workbench, the parts arranged on the inner plate assembly workbench are processed into a welding assembly of a rear-surrounding inner plate, the parts arranged on the outer plate assembly workbench are processed into a welding assembly of a rear-surrounding outer plate, the second welding robot sequentially passes through the inner plate assembly workbench and the outer plate assembly workbench and the first repair welding workbench, the welding assembly and the primary welding of the rear-surrounding inner plate assembly are completed on the inner plate assembly and the outer plate assembly, the repair welding of the rear-surrounding inner plate assembly is completed on the first repair welding workbench, the grabbing robot grabs the rear-surrounding inner plate assembly completed by the first repair welding workbench, sequentially passes through the floor welding clamp and the stud welding clamp, completes the spot welding repair welding and the stud welding repair welding of the rear-surrounding assembly, and sends the processed rear-surrounding assembly to the inspection bench;

The working time length of the first welding robot, the working time length of the second welding robot and the working time length of the grabbing robot are equal.

Further, the welding machine further comprises a plurality of clamping mechanisms, wherein the plurality of clamping mechanisms are respectively arranged on the inner plate assembly workbench, the outer plate assembly workbench, the inner plate assembly workbench, the outer plate assembly workbench and the operation table surface on the first repair welding workbench, and the clamping mechanisms clamp and fix workpieces to be welded.

Further, fixture includes fixed part, cylinder and clamp, the clamp includes clamp and lower clamp, go up the clamp with the one end of clamp is articulated down, go up the clamp with the other end of clamp forms the centre gripping space down, presss from both sides the work piece of waiting to weld, the bottom fixed connection of fixed part in on the operation mesa, the top fixed connection of fixed part in on the clamp down, the inside piston rod that is equipped with of cylinder, the one end of piston rod articulate in the one end of last clamp, the piston rod drive go up the tip vertical motion of clamp and then drive the opening and shutting of clamp.

Further, the inner plate assembly workbench, the outer plate assembly workbench, the first repair welding workbench and the inspection bench are sequentially arranged on one side of the first welding robot, one side of the second welding robot and one side of the grabbing robot, and the floor welding pliers and the stud welding pliers are arranged on the other side of the grabbing robot.

Further, the welding robot further comprises an electrode grinder, and the electrode grinder is arranged in the working radius of the first welding robot and the working radius of the second welding robot.

Further, the inner plate assembly workbench, the outer plate assembly workbench, the first repair welding workbench and the lower side of the inspection bench are respectively provided with universal wheels capable of rolling and locking, and handles are arranged on the side surfaces of the inner plate assembly workbench, the outer plate assembly workbench, the first repair welding workbench and the inspection bench.

The beneficial effects are that: according to the production line of the automobile back wall assembly, the welding processing of the automobile back wall inner plate assembly and the automobile back wall outer plate assembly is completed through the first welding robot, the welding assembly of the back wall inner plate assembly and the back wall outer plate assembly and the spot welding of partial welding spots are completed through the second welding robot, the repair welding and stud welding procedures of the residual welding spots of the back wall assembly are completed through the grabbing robot, the automation degree of production of the automobile back wall assembly is improved, the welding spots of the automobile back wall assembly are more, the welding work of a large number of welding spots during assembly welding is split into three procedures through the arrangement of the three robots, the six procedures are completed, the working time of each procedure is reasonably distributed, the phenomenon that the whole production time is influenced due to idle waiting of the robots is avoided, the three robots can continuously work, the whole production efficiency of the production line is improved, the missing welding is avoided, and the product quality is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a top view of a production line of an automotive rear wall assembly according to an embodiment of the present invention;

FIG. 2 is an isometric view of a production line of an automotive rear wall assembly disclosed in an embodiment of the invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

In the figure: 1. an inner plate assembly workbench; 2. an outer plate assembly workbench; 3. an inner plate and an outer plate are spliced to form a workbench; 4. a first repair welding workbench; 5. floor welding tongs; 6. stud welding tongs; 7. a test bench; 8. a clamping mechanism; 81. a fixing part; 82. a cylinder; 821. a piston rod; 83. a clamp; 831. an upper clamp; 832. a lower clamp; 9. a first welding robot; 10. a second welding robot; 11. a grabbing robot; 12. an electrode coping device; 13. an operating table; 14. a universal wheel; 15. a handle.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The embodiment provides a production line of an automobile rear wall assembly, which is shown in fig. 1-2, and comprises an inner plate assembly workbench 1, an outer plate assembly workbench 2, an inner plate and outer plate assembly workbench 3, a first repair welding workbench 4, a floor welding clamp 5, a stud welding clamp 6, a test bench 7, a first welding robot 9, a second welding robot 10 and a grabbing robot 11;

The first welding robot 9, the second welding robot 10 and the grabbing robot 11 are sequentially arranged, the first welding robot 9 sequentially passes through the inner plate assembly workbench 1 and the outer plate assembly workbench 2, the parts arranged on the inner plate assembly workbench 1 are processed into a welding assembly of a rear-surrounding inner plate, the parts arranged on the outer plate assembly workbench 2 are processed into a welding assembly of a rear-surrounding outer plate, the second welding robot 10 sequentially passes through the inner plate assembly workbench 3 and the outer plate assembly workbench 3 and the first repair welding workbench 4, the welding assembly and the primary welding of the rear-surrounding inner plate assembly are completed on the inner plate assembly workbench 3, the repair welding of the rear-surrounding inner plate assembly is completed on the first repair welding workbench 4, the grabbing robot 11 sequentially passes through the floor welding pliers 5 and the stud welding pliers 6 from the first repair welding workbench 4, the spot welding assembly is completed, the inspection is carried out on the stud assembly, and the post assembly is processed to the post assembly;

The working time lengths of the first welding robot 9, the second welding robot 10 and the grabbing robot 11 are equal.

The inner plate assembly workbench 1 and the outer plate assembly workbench 2 are arranged in the working radius of the first welding robot 9, the inner plate assembly workbench 3 and the first repair welding workbench 4 are arranged in the working radius of the second welding robot 10, and the floor welding pliers 5, the stud welding pliers 6 and the inspection bench 7 are arranged in the working radius of the grabbing robot 11.

The working ends of the first welding robot 9 and the second welding robot 10 are provided with welding tongs, and the welding tongs are used for welding spots at specific positions on the inner plate assembly workbench 1, the outer plate assembly workbench 2, the inner plate assembly workbench 3 and the outer plate assembly workbench 4, and the working ends of the grabbing robot 11 are provided with grabbing parts, and the grabbing parts are used for grabbing and transferring an assembly piece subjected to repair welding by the first repair welding workbench 4.

In this embodiment, enclose the welding process of inner panel assembly and back enclose the planking assembly behind the car through first welding robot, enclose the welding of inner panel assembly and back enclose the planking assembly after accomplishing through the second welding robot and assemble and the spot welding of partial solder joint, accomplish the repair welding and the double-screw bolt welding process of the surplus solder joint of back enclose the assembly through snatch robot, three robot mutually support, the degree of automation that enclose assembly production behind the car has been improved, the solder joint of enclosing the assembly behind the car is more, through setting up three robot, the welding work split of a large amount of solder joints when will assembling and welding is three processes, six steps are accomplished, and the operating duration of each process of rational distribution, avoid welding robot to appear idle waiting and influence whole production beat, three robot can continuous operation, improve the whole production efficiency of production line, avoid leaking the welding, guarantee product quality.

In the specific embodiment, the welding machine further comprises a plurality of clamping mechanisms 8, wherein the clamping mechanisms 8 are respectively arranged on the inner plate assembly workbench 1, the outer plate assembly workbench 2, the inner plate assembly workbench 3 and the outer plate assembly workbench 3 and the operation table top 13 on the first repair welding workbench 4, the workpiece to be welded is clamped and fixed by the clamping mechanisms 8, the workpiece to be welded is clamped by the clamping mechanisms, and the workpiece is prevented from being displaced in the welding process, so that the welding quality is prevented from being influenced.

In a specific embodiment, as shown in fig. 3, the clamping mechanism 8 includes a fixing portion 81, an air cylinder 82 and a clamp 83, the clamp 83 includes an upper clamp 831 and a lower clamp 832, one ends of the upper clamp 831 and the lower clamp 832 are hinged, the other ends of the upper clamp 831 and the lower clamp 832 form a clamping space, a workpiece to be welded is clamped, the bottom of the fixing portion 81 is fixedly connected to the operation table 13, the top of the fixing portion 81 is fixedly connected to the lower clamp 832, a piston rod 821 is disposed in the air cylinder 82, one end of the piston rod 821 is hinged to one end of the upper clamp 831, the piston rod 821 drives the end of the upper clamp 831 to vertically move so as to drive the clamp 83 to open and close, the end of the upper clamp 831 and the end of the lower clamp 832 are hinged near one end of the air cylinder 82, at this time, the free end of the upper clamp 831 moves upward, the workpiece to be welded is placed into the clamping space, the upper clamp is driven to move upward, the end of the upper clamp 831 is driven to move upward, the corresponding end of the upper clamp 831 is driven to move upward, and the workpiece to be welded is clamped by the upper clamp 8, and the corresponding operation table is fixed to the upper clamp 8.

In a specific embodiment, the inner plate assembly workbench 1, the outer plate assembly workbench 2, the inner plate assembly workbench 3, the outer plate assembly workbench 3, the first repair welding workbench 4 and the inspection bench 7 are sequentially arranged on one side of the first welding robot 9, the second welding robot 10 and the grabbing robot 11, and the floor welding pliers 5 and the stud welding pliers 6 are arranged on the other side of the grabbing robot 11.

In a specific embodiment, the welding device further comprises an electrode grinder 12, the electrode grinder 12 is arranged in the working radius of the first welding robot 9 and the working radius of the second welding robot 10, and the electrode grinder 12 periodically trims welding electrodes of the first welding robot 9 and the second welding robot 10 to improve welding quality.

In a specific embodiment, the inner plate assembly workbench 1, the outer plate assembly workbench 2, the inner plate assembly workbench 3, the outer plate assembly workbench 3 and the inner plate assembly workbench 3 are respectively provided with universal wheels 14 capable of rolling and locking, the inner plate assembly workbench 1, the outer plate assembly workbench 2, the inner plate assembly workbench 3, the outer plate assembly workbench 4 and the side surfaces of the inspection bench 7 are respectively provided with handles 15, when a worker clamps a workpiece to be welded on the inner plate assembly workbench 1, the outer plate assembly workbench 2, the inner plate assembly workbench 3 and the first repair welding workbench 4, in order to prevent injury to the worker when a robot performing welding operation acts, the worker can pull the handles 15, move the workbench to a place far away from a production line for performing welding preparation work, after the rear periphery assembly processing is finished, the worker pushes the inspection bench 7, and the processed rear periphery assembly is moved to a next working place.

In a specific embodiment, the working time of the first welding robot 9, the second welding robot 10 and the grabbing robot 11 is equal to the sum of the welding time of the robots, the carrying time of the robots and the pre-welding preparation time of carrying, clamping and the like of workers before corresponding welding, and the working time of the first welding robot 9, the second welding robot 10 and the grabbing robot 11 is equal, so that three robots can continuously work, the problem that after a certain robot works, a machined workpiece cannot be smoothly transferred to the next robot due to the fact that the next robot works, the working time of the whole production line is affected due to the fact that the robots are in an equipotential state, and the production efficiency is reduced is avoided.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.

Claims

1. The utility model provides a production line of enclose assembly behind car which characterized in that: the welding machine comprises an inner plate assembly workbench (1), an outer plate assembly workbench (2), an inner plate and outer plate assembly workbench (3), a first repair welding workbench (4), a floor welding clamp (5), a stud welding clamp (6), a test bench (7), a first welding robot (9), a second welding robot (10) and a grabbing robot (11);

The first welding robot (9), the second welding robot (10) and the grabbing robot (11) are sequentially arranged, the first welding robot (9) sequentially passes through the inner plate assembly workbench (1) and the outer plate assembly workbench (2), parts arranged on the inner plate assembly workbench (1) are processed into a welding assembly of a rear periphery inner plate, parts arranged on the outer plate assembly workbench (2) are processed into a welding assembly of a rear periphery outer plate, the second welding robot (10) sequentially passes through the inner plate assembly workbench (3) and the first repair welding workbench (4), the inner plate assembly workbench (3) is used for completing welding assembly and primary welding of the rear periphery inner plate assembly, the grabbing robot (11) sequentially passes through the clamp (5) and the welding assembly (6) from the first repair welding workbench (4) and then is used for carrying out stud welding assembly and stud welding assembly;

The working time length of the first welding robot (9), the working time length of the second welding robot (10) and the working time length of the grabbing robot (11) are equal.

2. The production line of the automobile rear wall assembly according to claim 1, wherein: still include fixture (8), fixture (8) have a plurality ofly, locate respectively inner panel assembly workstation (1) planking assembly workstation (2) inside and outside board amalgamation piece together workstation (3) with on operation mesa (13) on first repair welding workstation (4), fixture (8) centre gripping is fixed and is waited to weld the work piece.

3. The production line of the automobile rear wall assembly according to claim 2, wherein: clamping mechanism (8) are including fixed part (81), cylinder (82) and clamp (83), clamp (83) are including last clamp (831) and lower clamp (832), go up clamp (831) with the one end of clamp (832) down articulates, go up clamp (831) with the other end of clamp (832) forms the centre gripping space down, presss from both sides and wait to weld the work piece, the bottom fixed connection of fixed part (81) in on operation mesa (13), the top fixed connection of fixed part (81) in on clamp (832) down, be equipped with piston rod (821) inside cylinder (82), the one end of piston rod (821) articulate in the one end of last clamp (831), piston rod (821) drive the tip vertical motion of last clamp (831) and then drive the opening and shutting of clamp (83).

4. The production line of the automobile rear wall assembly according to claim 1, wherein: the welding machine comprises an inner plate assembly workbench (1), an outer plate assembly workbench (2), an inner plate assembly workbench (3), a first repair welding workbench (4) and a checking table (7), wherein the first welding robot (9), the second welding robot (10) and one side of a grabbing robot (11) are sequentially arranged, and a floor welding clamp (5) and a stud welding clamp (6) are arranged on the other side of the grabbing robot (11).

5. The production line of the automobile rear wall assembly according to claim 1, wherein: the welding device further comprises an electrode grinder (12), wherein the electrode grinder (12) is arranged in the working radius of the first welding robot (9) and the working radius of the second welding robot (10).

6. The production line of the automobile rear wall assembly according to claim 1, wherein: the inner plate assembly workbench (1) the outer plate assembly workbench (2) the inner and outer plate assembly workbench (3) the first repair welding workbench (4) and the lower side of the inspection bench (7) are respectively provided with a universal wheel (14) capable of rolling and locking, the inner plate assembly workbench (1) the outer plate assembly workbench (2) the inner and outer plate assembly workbench (3) the first repair welding workbench (4) and the side of the inspection bench (7) are provided with handles (15).