Electric vehicle frame production line

By introducing a transfer device into the electric vehicle frame production line, the problem of operators needing to manually transfer the frame is solved, and the effect of reducing labor intensity and improving the degree of automation is achieved.

CN223133403UActive Publication Date: 2025-07-22TIANJIN AIMA VEHICLE TECH CO LTD
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Patent Information

Application Number
CN202422180434.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-06
Publication Date
2025-07-22
Estimated Expiration
2034-09-06

AI Technical Summary

Technical Problem

The existing electric vehicle frame welding production line requires the operator to manually transfer the frame to different production units, increasing the operator's labor intensity.

Method used

Using an electric vehicle frame production line including multiple production units and transfer devices, the transfer device transfers the frame from the production station of one production unit to the production station of another production unit by grabbing components and releases it if necessary to reduce manual operation.

Benefits of technology

It effectively reduces the labor intensity of the operator, saves labor costs, and improves the degree of automation of the production line.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an electric vehicle frame production line, and relates to the technical field of electric vehicle production, the electric vehicle frame production line comprises a plurality of production units and a transfer device, each production unit is provided with a production station, different production stations are used for carrying out different frame production procedures, and the transfer device is used for transferring the frame production procedures. And the transfer device is configured to grab the frame on one production station, transfer the frame to the other production station and then loosen the frame. The electric vehicle frame production line provided by the utility model can effectively reduce the labor intensity of operators.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle production, in particular to an electric vehicle frame production line. Background Technique

[0002] The frame of an electric bicycle is the supporting and fixing component of the whole vehicle, and is also an important component for connecting and carrying other components, which is composed of multiple pipe fittings and multiple sheet metal parts welded together. The welding production of the electric bicycle frame is one of the important links in the manufacturing process of electric bicycles. The existing frame welding production line usually has multiple production units, and each production unit corresponds to a different process. On the current production line, after each process is completed, the operator needs to manually transfer the frame to another production unit, which increases the labor intensity of the operator. Therefore, there is an urgent need for an electric vehicle frame production line that can reduce the labor intensity of the operator. Summary of the Utility Model

[0003] The purpose of the utility model is to provide an electric vehicle frame production line to solve the problems existing in the above-mentioned prior art and reduce the labor intensity of the operator.

[0004] To achieve the above purpose, the utility model provides the following scheme:

[0005] The utility model provides an electric vehicle frame production line, including: a plurality of production units and a transfer device. Each production unit has a production station, and different production processes of the frame are carried out on different production stations. The transfer device is configured to grab the frame on one production station and transfer it to another production station and then release it.

[0006] Preferably, there are six production units arranged in sequence, namely the first production unit, the second production unit, the third production unit, the fourth production unit, the fifth production unit and the finished product unit. The first production unit, the second production unit, the third production unit and the fourth production unit are used to weld different components respectively and form a frame assembly on the fourth production unit. The fifth production unit is used to automatically repair weld the frame assembly and form a finished frame. Quality inspection of the finished frame is carried out on the finished product unit. The transfer device is configured to grab the frame assembly on the production station of the fourth production unit and transfer it to the production station of the fifth production unit and then release it. The transfer device is also configured to grab the finished frame on the production station of the fifth production unit and transfer it to the production station of the finished product unit and then release it.

[0007] Preferably, the transfer device includes a grasping component, a moving module, and a driving component. The moving module has a free end, and the grasping component is fixedly connected to the free end. The moving module can move the grasping component to the production station of the fourth production unit under the drive of the driving component and grasp the vehicle frame assembly through the grasping component. The moving module can also move the grasping component with the vehicle frame assembly grasped to the production station of the fifth production unit under the drive of the driving component and release the vehicle frame assembly through the grasping component. The moving module can further move the grasping component to the production station of the fifth production unit under the drive of the driving component and grasp the finished vehicle frame through the grasping component. The moving module can also move the grasping component with the finished vehicle frame grasped to the production station of the finished product unit under the drive of the driving component and release the finished vehicle frame through the grasping component.

[0008] Preferably, one side of the fourth production unit has a first station, and one side of the fifth production unit has a second station. The moving module includes a first slideway, a second slideway, a sliding member, and a production auxiliary device. The first slideway passes through the first station and the second station. There is a gap between the first station and the fourth production unit, and there is a gap between the second station and the fifth production unit. The second slideway is slidably connected to the first slideway. The second slideway can slide on the first slideway under the drive of the driving component. The second slideway has a third station and a fourth station. The fourth production unit and the fifth production unit form a production module. The third station is close to the production module, and the fourth station is far from the production module. The sliding member is slidably connected to the second slideway. The sliding member can slide on the second slideway under the drive of the driving component. The production auxiliary device is fixedly connected to the sliding member. The production auxiliary device has a movable end, and the movable end of the production auxiliary device forms the free end of the transfer device. The production auxiliary device can drive the grasping component to move in the vertical direction to enable the grasping component to grasp the vehicle frame. The production auxiliary device can also drive the grasping component to rotate around a vertical rotation axis to transfer the finished vehicle frame to the production station of the finished product unit.

[0009] Preferably, each production unit is arranged in sequence along a first straight line. The extending direction of the first slideway is parallel to the first straight line, and the extending direction of the second slideway is perpendicular to the first straight line. One end of the second slideway close to the production module forms the first station, and the other end forms the second station.

[0010] Preferably, the grasping component has a plurality of clamping parts, and each clamping part is used to clamp or release the vehicle frame assembly.

[0011] Preferably, the production auxiliary device is a robot, which includes a base and a robotic arm. The base is fixedly arranged on the sliding member, and one end of the robotic arm is rotatably connected to the base around a vertical rotation axis. The end of the robotic arm far from the base forms the movable end of the production auxiliary device.

[0012] Preferably, it further includes a control device, which is in signal connection with the transfer device. The control device can control the transfer device to grab the vehicle frame on one production station and transfer it to another production station and then release it.

[0013] The utility model has achieved the following technical effects compared with the prior art:

[0014] In the electric vehicle frame production line provided by the utility model, the vehicle frame is transferred from the production station of one production unit to the production station of another production unit through the transfer device. Compared with the original method that requires an operator to manually carry the vehicle frame from one production station to another, the labor intensity of the operator is effectively reduced. Description of the Drawings

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1 It is a three-dimensional structure diagram of the first production unit, the second production unit, the third production unit, the fourth production unit, and the fifth production unit in the electric vehicle frame production line provided by the present utility model;

[0017] Figure 2 It is a three-dimensional structure schematic diagram of the moving module and the grasping component in the electric vehicle frame production line provided by the present utility model;

[0018] Figure 3 It is a three-dimensional structure diagram of the fourth production module in the electric vehicle frame production line provided by the present utility model;

[0019] Figure 4 It is a schematic diagram of the production process on the electric vehicle frame production line provided by the present utility model;

[0020] In the figure: 1. The first production unit; 11. Battery rack and rear seat combination; 2. The second production unit; 21. Frame head tube sub-assembly; 3. The third production unit; 31. Rear triangle sub-assembly of the frame; 4. The fourth production unit; 41. Frame assembly; 5. The fifth production unit; 51. Finished frame; 6. Mobile module; 61. First slideway; 62. Second slideway; 63. Production auxiliary device; 631. Base; 632. Robot arm; 64. Connecting piece; 65. Sliding piece; 7. Gripping assembly. Detailed implementation mode

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0022] The purpose of the present invention is to provide an electric vehicle frame production line to solve the problems existing in the above-mentioned prior art and reduce the labor intensity of operators.

[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation modes.

[0024] First of all, it should be noted that in the present invention, except for the clearly pointed out ones, for example: the "finished frame" corresponds to the product of the fifth production unit, the "frame assembly" is the product of the fourth production unit, etc., all other "frames" can represent the products in any production process including the "frame assembly" and the "finished frame".

[0025] The present invention provides an electric vehicle frame production line, including: a plurality of production units and a transfer device. Each of the production units has a production station, and different frame welding processes are completed at different production stations. The transfer device is configured to grab the frame at one production station and transfer it to another production station and then release it.

[0026] The electric vehicle frame production line provided by the present invention, as Figures 1 - 3 shown, transfers the frame from the production station of one production unit to the production station of another production unit through the transfer device. Compared with the original method that requires operators to manually carry the frame from one production station to another production station, the labor amount of operators is effectively reduced.

[0027] In a preferred embodiment of the first embodiment, six production units are sequentially arranged, namely the first production unit 1, the second production unit 2, the third production unit 3, the fourth production unit 4, the fifth production unit 5 and the finished product unit. The first production unit 1, the second production unit 2, the third production unit 3 and the fourth production unit 4 are used to weld different components respectively and form a frame assembly 41 on the fourth production unit 4. The fifth production unit 5 is used to automatically repair-weld the frame assembly 41 and form a finished frame 51. The finished product unit is used to perform quality inspection on the finished frame 51. The transfer device is configured to grab the frame assembly 41 at the production station of the fourth production unit 4, transfer it to the production station of the fifth production unit 5 and then release it. The transfer device is also configured to grab the finished frame 51 at the production station of the fifth production unit 5, transfer it to the production station of the finished product unit and then release it. As Figure 4 shown, the first production unit 1 is used to form a battery rack and a rear seat combination 11. The second production unit 2 is used to weld the frame head tube and form a frame head tube sub-assembly 21. The third production unit 3 is used to form a frame rear triangle sub-assembly 31. The fourth production unit 4 is used to form a frame assembly 41. The first production unit 1, the second production unit 2, the third production unit 3 and the fourth production unit 4 all require manual-assisted welding. At this time, the weight of the frame is already close to the weight of the finished frame 51, about 9 kg. Then the frame is transferred to the fifth production unit 5, and the fifth production unit 5 automatically repair-welds the frame and forms a finished frame 51. For the operator of the fourth production unit 4, after each welding is completed, the operator needs to manually transfer the frame from the fourth production unit 4 to the fifth production unit 5, and the operator of the fifth production unit 5 sets the frame on the production station of the fifth production unit 5. After the repair-welding is completed, the frame is taken down and placed on the finished product unit, and other staff perform quality inspection. This process consumes the physical strength of the operators of the fourth production unit 4 and the fifth production unit 5. By arranging the transfer device at the corresponding positions of the fourth production unit 4 and the fifth production unit 5, the worker of the fourth production unit 4 does not need to manually disassemble the frame from the production station of the fourth production unit 4 and transfer it. At the same time, no operator needs to be arranged at the fifth production unit 5, which not only saves the physical strength of the operators but also saves labor costs.

[0028] In a preferred embodiment of the first embodiment, the transfer device includes a grasping component 7, a moving module 6, and a driving component. The moving module 6 has a free end, and the grasping component 7 is fixedly connected to the free end. The moving module 6 can move the grasping component 7 to the production station of the fourth production unit 4 under the drive of the driving component and grasp the vehicle frame assembly 41 through the grasping component 7. The moving module 6 can also move the grasping component 7 with the vehicle frame assembly 41 grasped thereon to the production station of the fifth production unit 5 under the drive of the driving component and release the vehicle frame assembly 41 through the grasping component 7. The moving module 6 can further move the grasping component 7 to the production station of the fifth production unit 5 under the drive of the driving component and grasp the finished vehicle frame 51 through the grasping component 7. The moving module 6 can also move the grasping component 7 with the finished vehicle frame 51 grasped thereon to the production station of the finished product unit and release the finished vehicle frame 51 through the grasping component 7. The moving module 6 can move under the drive of the driving component, and the grasping component 7 can flexibly grasp the vehicle frame. Among them, the moving device can be implemented in various ways such as a transport vehicle cooperating with a robotic arm, a turntable cooperating with a robotic arm, etc.

[0029] In a preferred embodiment of the first embodiment, one side of the fourth production unit 4 has a first station, and one side of the fifth production unit 5 has a second station. The moving module 6 includes a first slideway 61, a second slideway 62, a sliding member 65 and a production auxiliary device 63. The first slideway 61 passes through the first station and the second station. There is a gap between the first station and the fourth production unit 4, and there is a gap between the second station and the fifth production unit 5. The second slideway 62 is slidably connected to the first slideway 61. The second slideway 62 can slide on the first slideway 61 under the drive of the drive assembly. There is a third station and a fourth station on the second slideway 62. The fourth production unit 4 and the fifth production unit 5 form a production module. The third station is close to the production module, and the fourth station is far from the production module. The sliding member 65 is slidably connected to the second slideway 62. The sliding member 65 can slide on the second slideway 62 under the drive of the drive assembly. The production auxiliary device 63 is fixedly connected to the sliding member 65. The production auxiliary device 63 has a movable end. The movable end of the production auxiliary device 63 forms the free end of the transfer device. The production auxiliary device 63 can drive the grasping assembly 7 to move in the vertical direction to enable the grasping assembly 7 to grasp the vehicle frame. The production auxiliary device 63 can also drive the grasping assembly 7 to rotate around a vertical rotation axis to transfer the finished vehicle frame 51 to the production station of the finished product unit. After the vehicle frame assembly 41 in the fourth station is welded, the second slideway 62 moves to the first station, and the sliding member 65 moves to the third station and makes the grasping assembly 7 approach the fourth production unit 4. At this time, the production auxiliary device 63 drives the grasping assembly 7 to move down and approach the production station of the fourth production unit 4 to grasp the vehicle frame assembly 41. Then the production auxiliary device 63 drives the grasping assembly 7 to move up, the sliding member 65 moves to the fourth station, the second slideway 62 moves to the second station, the sliding member 65 slides to the third station again, the production auxiliary device 63 drives the grasping assembly 7 to move down, and places the vehicle frame assembly 41 on the production station of the fifth production unit 5. After that, the grasping assembly 7 moves up. After the fifth production unit 5 completes welding, the grasping assembly 7 moves down and grasps the finished vehicle frame 51. The production auxiliary device 63 drives the grasping assembly 7 to rotate and makes the grasping assembly 7 rotate to the production station of the finished product module for manual quality inspection. Finally, the second slideway 62 returns to the first station and is ready for the next transfer work. Among them, the second slideway 62 is slidably connected to the first slideway 61 through a connecting member 64. One end of the connecting member 64 is slidably connected to the first slideway 61, and the other end is fixedly connected to the second slideway 62. The driving device includes a first driving device and a second driving device. The two driving devices respectively drive the sliding of the second slideway and the sliding member.

[0030] In a preferred embodiment of the first embodiment, the fourth production unit 4 and the fifth production unit 5 are arranged in sequence along a first straight line. The extending direction of the first slideway 61 is parallel to the first straight line. The finished product unit is located at one end of the first slideway 61 close to the fifth production unit 5. The extending direction of the second slideway 62 is perpendicular to the first straight line. One end of the second slideway 62 close to the production module forms a first working station, and the other end forms a second working station. Compared with a curved slideway, a linear slideway has less resistance and lower noise during sliding.

[0031] In a preferred embodiment of the first embodiment, the grasping assembly 7 is provided with a plurality of clamping parts, and each clamping part is used for clamping or releasing the vehicle frame. The clamping parts can facilitate the grasping and releasing of the vehicle frame, and have strong flexibility. Among them, in addition to the clamping parts, other devices such as electromagnets and hooks that can form a connection relationship with the vehicle frame can be used to replace the clamping parts.

[0032] In a preferred embodiment of the first embodiment, the production auxiliary device 63 is a robot. The robot includes a base 631 and a robotic arm 632. The base 631 is fixedly arranged on the sliding member 65. One end of the robotic arm 632 is rotatably connected to the base 631 around a vertical rotation axis. The end of the robotic arm 632 far from the base 631 forms the movable end of the production auxiliary device 63. The robot can flexibly drive the grasping assembly 7 to move in the vertical direction and rotate around the vertical rotation axis according to a preset program. Among them, the robot preferably uses a robot manufactured by OTC.

[0033] In a preferred embodiment of the first embodiment, a control device is further included. The control device is in signal connection with the transfer device. The control device can control the transfer device to grasp the vehicle frame at one production station and release it after transferring it to another production station. The control device can improve the automation degree of the entire electric vehicle frame production line.

[0034] In the present utility model, specific examples are used to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model; at the same time, for those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present utility model.

Claims

1. An electric vehicle frame production line, comprising: Multiple production units, each production unit having a production station, and different production processes for the vehicle frame being carried out on different production stations, characterized in that: it further includes a transfer device, the transfer device being configured to grab the vehicle frame on one production station and transfer it to another production station and then release it.

2. The electric vehicle frame production line according to claim 1, characterized in that: There are six production units arranged in sequence, which are respectively the first production unit, the second production unit, the third production unit, the fourth production unit, the fifth production unit and the finished product unit. The first production unit, the second production unit, the third production unit and the fourth production unit are used to weld different components respectively and form a vehicle frame assembly on the fourth production unit. The fifth production unit is used to automatically repair-weld the vehicle frame assembly and form a finished vehicle frame. Quality inspection of the finished vehicle frame is carried out on the finished product unit. The transfer device is configured to grab the vehicle frame assembly on the production station of the fourth production unit and transfer it to the production station of the fifth production unit and then release it. The transfer device is also configured to grab the finished vehicle frame on the production station of the fifth production unit and transfer it to the production station of the finished product unit and then release it.

3. The electric vehicle frame production line according to claim 2, characterized in that: The transfer device includes a grasping component, a moving module and a driving component. The moving module has a free end, and the grasping component is fixedly connected to the free end. The moving module can, under the drive of the driving component, move the grasping component to the production station of the fourth production unit and grab the vehicle frame assembly through the grasping component. The moving module can also, under the drive of the driving component, move the grasping component with the grabbed vehicle frame assembly to the production station of the fifth production unit and release the vehicle frame assembly through the grasping component. The moving module can also, under the drive of the driving component, move the grasping component to the production station of the fifth production unit and grab the finished vehicle frame through the grasping component. The moving module can also, under the drive of the driving component, move the grasping component with the grabbed finished vehicle frame to the production station of the finished product unit and release the finished vehicle frame through the grasping component.

4. The electric vehicle frame production line according to claim 3, wherein: One side of the fourth production unit has a first working station, and one side of the fifth production unit has a second working station. The moving module includes a first slideway, a second slideway, a sliding member, and a production auxiliary device. The first slideway passes through the first working station and the second working station. There is a gap between the first working station and the fourth production unit, and there is a gap between the second working station and the fifth production unit. The second slideway is slidably connected to the first slideway, and the second slideway can slide on the first slideway under the drive of the drive assembly. There are a third working station and a fourth working station on the second slideway. The fourth production unit and the fifth production unit form a production module. The third working station is close to the production module, and the fourth working station is far from the production module. The sliding member is slidably connected to the second slideway, and the sliding member can slide on the second slideway under the drive of the drive assembly. The production auxiliary device is fixedly connected to the sliding member. The production auxiliary device has a movable end, and the movable end of the production auxiliary device forms the free end of the transfer device. The production auxiliary device can drive the grasping assembly to move in the vertical direction to enable the grasping assembly to grasp the vehicle frame, and the production auxiliary device can also drive the grasping assembly to rotate around a vertical rotation axis to transfer the finished vehicle frame to the production working station of the finished product unit.

5. The electric vehicle frame production line according to claim 4, characterized in that: Each of the production units is arranged in sequence along a first straight line. The extending direction of the first slideway is parallel to the first straight line, and the extending direction of the second slideway is perpendicular to the first straight line. One end of the second slideway close to the production module forms the first working station, and the other end forms the second working station.

6. The electric vehicle frame production line according to claim 4, wherein: The grasping assembly has a plurality of clamping parts, and each of the clamping parts is used to clamp or release the vehicle frame assembly.

7. The electric vehicle frame production line according to claim 4, wherein: The production auxiliary device is a robot. The robot includes a base and a robotic arm. The base is fixedly arranged on the sliding member. One end of the robotic arm is rotatably connected to the base around a vertical rotation axis, and the end of the robotic arm far from the base forms the movable end of the production auxiliary device.

8. The electric vehicle frame production line according to claim 1, characterized in that: It further includes a control device. The control device is in signal connection with the transfer device. The control device can control the transfer device to grasp the vehicle frame on one of the production working stations and transfer it to another production working station and then release it.