CN221110417U - Frame welding production line - Google Patents

Abstract

The application provides a frame welding production line, which relates to the technical field of electric vehicles and comprises a welding station and a repair welding station which are sequentially arranged according to working procedures, wherein the welding station is provided with a welding robot group, the welding robot group is used for welding to form a frame main body, the repair welding station is provided with a repair welding robot and a repair welding displacement mechanism, the repair welding displacement mechanism comprises a repair welding rotary base and a plurality of repair welding work tables which are rotatably arranged on the repair welding rotary base, the rotating shaft of the repair welding work tables is perpendicular to the rotating shaft of the repair welding rotary base, and in the repair welding process, an operator does not need to move back and forth between the two repair welding work tables, so that the repair welding work tables can rotate relative to the repair welding rotary base, the angle of the frame main body relative to the repair welding robot is adjusted, and the repair welding robot is convenient to repair welding key parts, and the interference range is reduced.

Description

Frame welding production line

Technical Field

The application relates to the technical field of electric vehicles, in particular to a frame welding production line.

Background

Electric bicycles are widely used by consumers as daily vehicles, and the frames of the electric bicycles are supporting and fixing parts of the whole vehicle and are also important parts for connecting and bearing other parts, and are formed by combining and welding a plurality of pipe fittings and a plurality of sheet metal parts.

The welding production of the frame of the electric bicycle is one of important links in the manufacturing process of the electric bicycle, and the existing frame is usually completed by matching robot welding and manual welding. Specifically, because the welding angle of the robot is limited, the robot mechanical arm at some positions can interfere with the frame or the tool to be incapable of welding, manual repair welding is needed, when the manual repair welding is performed, the surface of the frame is easily scratched when the frame is overturned and transferred, and finally, a polishing procedure is needed to be added.

Disclosure of utility model

The application aims to overcome the defects in the prior art and provide a frame welding production line.

In order to achieve the above purpose, the technical scheme adopted by the embodiment of the application is as follows:

In one aspect of the embodiment of the application, a frame welding production line is provided, which comprises a welding station and a repair welding station which are sequentially arranged according to working procedures, wherein the welding station is provided with a welding robot group, the welding robot group is used for welding to form a frame main body, the repair welding station is provided with a repair welding robot and a repair welding displacement mechanism, the repair welding displacement mechanism comprises a repair welding rotary base and a plurality of repair welding work tables which are rotatably arranged on the repair welding rotary base, the repair welding work tables are used for placing the frame main body, and the rotating shafts of the repair welding work tables are perpendicular to the rotating shafts of the repair welding rotary base.

Optionally, the welding station includes a first welding station, the welding robot group includes a first welding robot and two first welding work stations located at the first welding station, the two first welding work stations are distributed on two opposite sides of the first welding robot, the first welding robot alternately welds between the two first welding work stations, and welds on the first welding work stations to form the front beam Guan Zujian.

Optionally, the welding station includes the second welding station, and the welding robot group includes second welding robot and the second welding position changing mechanism that is located the second welding station, and the second welding position changing mechanism includes second rotation base and sets up two second welding work tables on the second rotation base, and the second rotation base is driven and is rotated to make two second welding work tables lie in the welding area of second welding robot in turn, and second welding robot welds on the second welding work table and forms whole car frame.

Optionally, the welding station includes the third welding station, the welding robot group includes third welding robot and the third welding position changing mechanism that is located the third welding station, the third welding position changing mechanism includes third rotation base and sets up two third welding work tables on the third rotation base, the third rotation base is driven and is rotated to make two third welding work tables lie in the welding area of third welding robot in turn, third welding robot welds the front accessory on whole car frame on the third welding work table.

Optionally, the welding station includes a fourth welding station, the welding robot group includes a fourth welding robot and a fourth welding displacement mechanism that is located the fourth welding station, the fourth welding displacement mechanism includes a fourth rotation base and two fourth welding work tables that set up on the fourth rotation base, the fourth rotation base is driven to rotate, so that two fourth welding work tables are located the welding area of fourth welding robot in turn, the fourth welding robot welds back accessory on whole car frame in order to form the frame main part on the fourth welding work table.

Optionally, the frame welding production line further comprises a correction station arranged behind the repair welding station according to the working procedure, a correction workbench is arranged in the correction station, and a correction tool for correcting the frame is arranged on the correction workbench.

Optionally, a first partition plate located between the two second welding tables is arranged on the second rotating base; a second partition plate positioned between the two third welding work tables is arranged on the third rotary base; and a third partition plate between two fourth welding tables on the fourth rotating base.

Optionally, the first welding station, the second welding station, the third welding station, the fourth welding station and the repair welding station are linearly arranged.

Optionally, the frame welding production line further comprises a transmission mechanism which flows between the first welding station, the second welding station, the third welding station, the fourth welding station and the repair welding station.

Optionally, the repair welding robot has a multi-axis mechanical arm.

The beneficial effects of the application include:

The application provides a frame welding production line, which comprises a welding station and a repair welding station which are sequentially arranged according to working procedures, wherein the welding station is provided with a welding robot group, the welding robot group is used for welding to form a frame main body, the repair welding station is provided with a repair welding robot and a repair welding displacement mechanism, the repair welding displacement mechanism comprises a repair welding rotary base and a plurality of repair welding work tables which are rotatably arranged on the repair welding rotary base, the repair welding work tables are used for placing the frame main body, the rotating shafts of the repair welding work tables are perpendicular to the rotating shafts of the repair welding rotary base, the problems of scratching the frame surface and increasing polishing working procedures can be avoided, special repair welding workers are not needed, and the cycle operation can improve the repair welding working efficiency. In the process, an operator does not need to move back and forth between the two repair welding work tables, so that the labor intensity of the operator can be reduced. In the repair welding process, the repair welding workbench can rotate relative to the repair welding rotating base, so that the angle of the frame main body relative to the repair welding robot is adjusted, repair welding of key parts by the repair welding robot is facilitated, and the interference range is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a top view of a frame welding line according to an embodiment of the present application;

FIG. 2 is a schematic diagram of a frame welding line according to an embodiment of the present application;

FIG. 3 is a second schematic diagram of a frame welding line according to an embodiment of the present application;

FIG. 4 is a third schematic diagram of a frame welding line according to an embodiment of the present application;

Fig. 5 is a schematic diagram of a frame welding line according to an embodiment of the present application.

Icon: 10-a welding station; 01-a first welding station; 02-a second welding station; 03-a third welding station; 04-fourth welding station; 05-repair welding stations; 06-correcting stations; 111-a first welding robot; 112-a second welding robot; 113-a third welding robot; 114-a fourth welding robot; 115-repair welding robot; 120-operator; 131-a first welding station; 132-a second swivel base; 133-a second welding station; 134-a third swivel base; 135-a third welding station; 136-a fourth swivel base; 137-fourth welding workbench; 138-repair welding a rotating base; 139-repair welding working table; 140-corrective station.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. It should be noted that, under the condition of no conflict, the features of the embodiments of the present application may be combined with each other, and the combined embodiments still fall within the protection scope of the present application.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the product of the application, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

The existing frame is usually welded by a robot and manually welded, and the welding of the frame is completed by 5 steps of welding by the robot, 2 steps of manual repair welding, 1 step of correction and 1 step of polishing. Specifically, the robot welding process respectively sets up 2 bilateral symmetry's workstation, and the workstation is motionless, and people round trip movement arrives workstation position, and the manual work is accomplished frame spare part material loading and is pressed from both sides tightly, then accomplishes the welding of front and back by the robot, because robot welding angle is limited, and some position robot arm can interfere unable welding with frame or frock, needs artifical repair welding, and the key position needs artifical correction after the frame welding is accomplished, when artifical repair welding, causes frame surface fish tail easily when upset, transfer frame, still needs to increase the process of polishing at last.

Based on the shortcomings of the prior art, in one aspect of the embodiment of the present application, as shown in fig. 1, a frame welding production line is provided, which includes a welding station 10 and a repair welding station 05 sequentially arranged according to a procedure, wherein the welding station 10 is provided with a welding robot group, and the welding robot group is used for welding to form a frame main body.

As shown in fig. 1, since the welding robot set is limited in welding angle in the welding process, the repair welding robot 115 and the repair welding displacement mechanism can be disposed at the repair welding station 05, so that the repair welding robot 115 can repair welding on the non-welded key parts caused by limited welding angle in the previous procedure through the cooperation of the repair welding robot 115 and the repair welding displacement mechanism.

Specifically, referring to fig. 4, three mutually perpendicular directions, that is, an x direction, a y direction and a z direction, are shown, the repair welding displacement mechanism includes a repair welding rotating base 138 and two repair welding tables 139, where the repair welding rotating base 138 can rotate around the z axis, the two repair welding tables 139 are respectively rotatably disposed on the repair welding rotating base 138, and the two repair welding tables 139 can rotate around the y axis, that is, a direction in which a rotation axis of the repair welding table 139 is located is mutually perpendicular to a direction in which a rotation axis of the repair welding rotating base 138 is located.

Thus, in actual use, referring to fig. 4, the repair welding robot 115 and the operator 120 may be respectively located at two opposite sides of the repair welding rotating base 138, and the two repair welding tables 139 may be rotated between the repair welding robot 115 and the operator 120 by using the rotation of the repair welding rotating base 138, for example, when one of the repair welding tables 139 rotates to the operator 120, the operator 120 may place the frame body on the repair welding table 139 in front of the frame body, and the corresponding repair welding table 139 may be matched with operations such as clamping, so that the other repair welding table 139 rotates to the repair welding region of the repair welding robot 115, thereby facilitating the repair welding of the frame body on the other repair welding table 139 by the repair welding robot 115. After the operator 120 clamps the frame body on the repair welding workbench 139 before the operator 120 and the repair welding robot 115 also repair-welds the frame body on the other repair welding workbench 139, the repair welding rotary base 138 can be correspondingly rotated, so that the repair welding workbench 139 originally positioned in front of the operator 120 rotates to the repair welding area of the repair welding robot 115, and synchronously, the repair welding workbench 139 originally positioned in the repair welding area rotates to the operator 120, at this time, the repair welding robot 115 continuously repair-welds the new frame body, the operator 120 takes down the frame body of which repair welding is finished before the frame body, and then places the new frame body to be repair-welded, thereby improving the repair welding operation efficiency by the cyclic operation. And in the process, the operator 120 does not need to move back and forth between the two repair welding tables 139, so that the labor intensity of the operator 120 can be reduced.

As shown in fig. 4, in the repair welding process of the repair welding robot 115 to repair the frame main body on the repair welding workbench 139 in the repair welding area, the repair welding workbench 139 can rotate relative to the repair welding rotating base 138, so that the angle of the frame main body relative to the repair welding robot 115 is adjusted, repair welding of the key parts by the repair welding robot 115 is facilitated, and the interference range is reduced.

Of course, in other examples, the number of repair welding stations 139 may be three, four, etc., and the present application is not limited to the specific number.

Alternatively, as shown in fig. 1 and 2, the welding station 10 includes a first welding station 01, the welding robot group includes a first welding robot 111 and two first welding tables 131 located at the first welding station 01, the two first welding tables 131 are distributed on opposite sides of the first welding robot 111, and the first welding robot 111 alternately welds between the two first welding tables 131 and welds on the first welding tables 131 to form a front beam Guan Zujian.

Specifically, an operator 120 may be provided at the first welding station 01, where the operator 120 may load and clamp the parts such as the head pipe, the front beam pipe, and the head pipe reinforcing sheet included in the front beam Guan Zujian onto one of the first welding tables 131, and then the first welding robot 111 welds each part on the first welding table 131 to form a front beam Guan Zujian, and during the welding of the first welding robot 111, the operator 120 may load and clamp the parts on the other first welding table 131. After the first welding robot 111 finishes welding, the welding machine can turn to another first welding workbench 131 to weld, and the operator 120 can move to the first welding workbench 131 where welding is finished before, take down the front beam tube assembly on which welding is finished, and re-perform feeding and clamping operations, so that the next welding is convenient. Thus, the operator 120 and the first welding robot 111 alternately perform work on the different first welding tables 131, thereby improving the work efficiency.

Alternatively, as shown in fig. 1 and 2, the welding station 10 includes a second welding station 02, the welding robot group includes a second welding robot 112 located at the second welding station 02 and a second welding displacement mechanism, the second welding displacement mechanism includes a second rotating base 132 and two second welding tables 133 disposed on the second rotating base 132, and the second rotating base 132 is driven to rotate, so that the two second welding tables 133 are alternately located in a welding area of the second welding robot 112, and the second welding robot 112 welds on the second welding tables 133 to form a whole vehicle frame.

In particular, one operator 120 may be provided at the second welding station 02, and two second welding stations 133 may be circulated over the welding area of the second welding robot 112 and the operator 120 by the second swivel base 132, whereby the operator 120 may be prevented from moving back and forth between the two second welding stations 133. And can also make operating personnel 120 carry out material loading and clamp on the preceding second welding work platform 133 of front beam tube subassembly, back triangle subassembly, pedal pipe, bottom pipe etc. that will get in the previous process, afterwards make things convenient for this second welding work platform 133 to rotate to the welding region after, accomplish the welding by second welding robot 112 to obtain whole car frame.

Alternatively, as shown in fig. 1, the welding station 10 includes a third welding station 03, the welding robot group includes a third welding robot 113 located at the third welding station 03 and a third welding displacement mechanism, the third welding displacement mechanism includes a third rotating base 134 and two third welding tables 135 disposed on the third rotating base 134, the third rotating base 134 is driven to rotate, so that the two third welding tables 135 are alternately located in a welding area of the third welding robot 113, and the third welding robot 113 welds a front fitting on a whole vehicle frame on the third welding table 135.

In particular, one operator 120 may be provided at the third welding station 03, and two third welding stations 135 may be circulated through the welding area of the third welding robot 113 at the operator 120 by the third swivel base 134, whereby the operator 120 may be prevented from moving back and forth between the two third welding stations 135. And the operator 120 can feed and clamp the whole vehicle frame, the pedal fixing plate, the middle tube reinforcing box, the offset ladder assembly and the like obtained in the previous step on the third welding workbench 135 in front of the whole vehicle frame, and then the third welding workbench 135 is conveniently rotated to a welding area, and then the third welding robot 113 welds the front fittings (comprising the pedal fixing plate, the middle tube reinforcing box, the offset ladder assembly and the like) on the whole vehicle frame.

Alternatively, as shown in fig. 1, the welding station 10 includes a fourth welding station 04, the welding robot group includes a fourth welding robot 114 located at the fourth welding station 04 and a fourth welding displacement mechanism, the fourth welding displacement mechanism includes a fourth rotating base 136 and two fourth welding tables 137 disposed on the fourth rotating base 136, the fourth rotating base 136 is driven to rotate, so that the two fourth welding tables 137 are alternately located at a welding area of the fourth welding robot 114, and the fourth welding robot 114 welds a back fitting on a whole vehicle frame on the fourth welding table 137 to form a frame body.

In particular, one operator 120 may be provided at the fourth welding station 04, and two fourth welding stations 137 may be circulated over the welding area of the fourth welding robot 114 and at the operator 120 by the fourth swivel base 136, whereby the operator 120 may be prevented from moving back and forth between the two fourth welding stations 137. And the operator 120 can feed and clamp the whole vehicle frame and the back fittings obtained in the previous step on the fourth welding workbench 137 in front of the whole vehicle frame and the back fittings, and then the fourth welding workbench 137 is conveniently rotated to a welding area, and the fourth welding robot 114 welds the back fittings (including a battery compartment fixing piece and the like) on the whole vehicle frame to obtain the vehicle frame main body.

Optionally, as shown in fig. 1 and fig. 5, the frame welding production line further includes a straightening station 06 arranged after the repair welding station 05 according to a procedure, a straightening working table 140 is disposed in the straightening station 06, and a straightening tool for straightening the frame is disposed on the straightening working table 140.

Specifically, an operator 120 may be provided at the leveling station 06, which may place the frame body obtained at the repair welding station 05 on the leveling table 140, and assemble the rear fork assembly to the frame body to form the frame, and then leveling the frame through the leveling tool.

In summary, the frame welding production line only needs 6 common operators 120, so that the requirements for the operators are less, no professional welding personnel are needed, and the professional requirements for the operators are low.

Alternatively, as shown in fig. 1 to 4, a fourth partition panel may be provided between the two first welding tables 131, thereby isolating the first welding robot 111 and the operator 120. A first partition plate is provided between the two second welding tables 133 on the second swivel base 132 to isolate the second welding robot 112 from the operator 120. A second partition plate is provided on the third swivel base 134 between the two third welding tables 135, thereby isolating the third welding robot 113 and the operator 120. A third partition panel between two fourth welding stations 137 on the fourth rotating base 136, thereby isolating the fourth welding robot 114 and the operator 120.

Alternatively, as shown in fig. 1, the first welding station 01, the second welding station 02, the third welding station 03, the fourth welding station 04, the repair welding station 05 and the correction station 06 are linearly arranged, and since the welding machine has only 6 working procedures, compared with the prior art, the welding machine has 9 working procedures, the working procedures can be effectively simplified, the length of a welding production line can be reduced, for example, the length of the welding machine is reduced to 21 meters from the prior 27 meters, and the reduction range is 22%.

Optionally, the frame welding production line further comprises a transmission mechanism which flows between the first welding station 01, the second welding station 02, the third welding station 03, the fourth welding station 04 and the repair welding station 05, so that the operation efficiency is improved.

Alternatively, each of the first welding robot 111, the second welding robot 112, the third welding robot 113, the fourth welding robot 114, and the repair welding robot 115 may have a multi-axis robot arm, thereby enabling a weldment located at the end of the multi-axis robot arm to freely move in space.

The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a frame welding production line, its characterized in that, includes welding station and the repair welding station of arranging in order according to the process the welding station is provided with welding robot group, welding robot group is used for the welding to form the frame main part repair welding station is provided with repair welding robot and repair welding shift mechanism, repair welding shift mechanism including repair welding swivel base and rotate set up in a plurality of repair welding work stations on the repair welding swivel base, the repair welding work station is used for placing the frame main part, the axis of rotation of repair welding work station with the axis of rotation of repair welding swivel base is perpendicular.

2. The frame welding line of claim 1, wherein the welding stations comprise first welding stations, the welding robot group comprises a first welding robot located at the first welding stations and two first welding stations distributed on opposite sides of the first welding robot, the first welding robot alternately welds between the two first welding stations and welds on the first welding stations to form a front beam Guan Zujian.

3. The frame welding line of claim 2, wherein the welding station comprises a second welding station, the welding robot group comprises a second welding robot and a second welding displacement mechanism positioned at the second welding station, the second welding displacement mechanism comprises a second rotating base and two second welding tables arranged on the second rotating base, the second rotating base is driven to rotate, so that the two second welding tables are alternately positioned at a welding area of the second welding robot, and the second welding robot welds on the second welding tables to form a whole vehicle frame.

4. The frame welding line of claim 3, wherein the welding station comprises a third welding station, the welding robot group comprises a third welding robot and a third welding displacement mechanism positioned at the third welding station, the third welding displacement mechanism comprises a third rotating base and two third welding tables arranged on the third rotating base, the third rotating base is driven to rotate so that the two third welding tables are alternately positioned at a welding area of the third welding robot, and the third welding robot welds front fittings on the whole vehicle frame on the third welding tables.

5. The frame welding line of claim 4, wherein the welding station comprises a fourth welding station, the welding robot group comprises a fourth welding robot and a fourth welding displacement mechanism located at the fourth welding station, the fourth welding displacement mechanism comprises a fourth rotating base and two fourth welding tables arranged on the fourth rotating base, the fourth rotating base is driven to rotate so that the two fourth welding tables are alternately located in a welding area of the fourth welding robot, and the fourth welding robot welds a back fitting on the fourth welding table on the whole vehicle frame to form the frame main body.

6. The frame welding line according to any one of claims 1 to 5, further comprising a straightening station arranged after the repair welding station in a process, wherein a straightening table is provided in the straightening station, and a straightening tool for straightening the frame is provided on the straightening table.

7. The frame welding line according to claim 5, wherein a first partition plate is provided between the two second welding tables on the second swivel base; a second partition plate positioned between the two third welding work tables is arranged on the third rotary base; and a third partition plate between the two fourth welding work tables on the fourth rotating base.

8. The carriage welding line of claim 5 wherein said first welding station, said second welding station, said third welding station, said fourth welding station, and said repair welding station are arranged in a linear configuration.

9. The carriage welding line of claim 8, further comprising a transfer mechanism that is circulated between the first welding station, the second welding station, the third welding station, the fourth welding station, and the repair welding station.

10. The frame welding line of claim 1, wherein the repair welding robot has a multi-axis robotic arm.