CN215967027U - Flexible welding work system - Google Patents
Flexible welding work system Download PDFInfo
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- CN215967027U CN215967027U CN202121632310.7U CN202121632310U CN215967027U CN 215967027 U CN215967027 U CN 215967027U CN 202121632310 U CN202121632310 U CN 202121632310U CN 215967027 U CN215967027 U CN 215967027U
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Abstract
The utility model discloses a flexible welding work system, which is applied to welding of a vehicle body and comprises an equipment control module, a servo positioning control module, a robot control module and a control system, wherein the equipment control module comprises a driving unit, a conveying unit, a clamping unit and a button unit, and the servo positioning control module is provided with a servo positioning device for positioning the vehicle body; the robot control module is provided with a robot, and the robot is provided with a welding unit; the control system is simultaneously connected with the equipment control module, the servo positioning control module and the robot control module. The utility model solves the technical problems that the existing automatic vehicle body welding system uses different control protocols and signals in the automatic welding process, the mode is complicated, and errors are easily caused or the transmission time is inconsistent.
Description
Technical Field
The utility model relates to the technical field of vehicle body processing, in particular to a flexible welding work system.
Background
Currently, in most measurement manufacturing automation systems, such as patent No. CN 206578446U, the name of the application is automotive body-in-white automatic welding system. The automatic welding system outputs a control signal through the programmable logic controller to control the automatic welding system to weld the vehicle body, but the vehicle body is often required to be subjected to azimuth conversion in the actual welding process, namely an additional position conversion structure and corresponding position control equipment are required. When the automatic welding system integrates the position transfer function and the welding function, each different function needs a control signal, so that the problems of inconsistent signal transmission, disorder and the like are easily caused.
Therefore, the prior art is to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a flexible welding work system, which at least solves the technical problems that different control signals are easy to be disordered and the transmission time is inconsistent in the automatic welding process of the existing automatic vehicle body welding system in the background technology.
The utility model provides a flexible welding work system, which is applied to vehicle body welding and comprises:
the equipment control module comprises a driving unit for providing driving force, a conveying unit connected with the driving unit, a clamping unit for clamping the vehicle body and a button unit for outputting a movement instruction;
a servo positioning control module having a servo positioning device for positioning the vehicle body;
a robot control module having a robot with a welding unit;
and the control system is simultaneously connected with the equipment control module, the servo positioning control module and the robot control module.
Optionally, the device control module further comprises:
the input end of the IO unit is connected with the output end of the button module;
and the input end of the signal processing unit is connected with the output end of the IO unit.
Optionally, the device control module further comprises:
a plurality of said security fence units being spliceable to be arranged around said equipment control module.
Optionally, the device control module further comprises:
a sensor for sensing an area enclosed by the security fence module.
Optionally, the servo positioning control module includes a fixing bracket and a jacking module disposed on the fixing bracket.
Optionally, the robot control module is provided with a rotation module for 360-degree rotation, and the robot is arranged on the rotation module.
Optionally, the robot comprises a six-axis robot or a four-axis robot.
Optionally, the conveying unit includes a linear guide rail and a slider for moving linearly on the linear guide rail, and the servo positioning control module is disposed on the slider.
Optionally, the control system is configured to output a first control instruction, a second control instruction, and a third control instruction, where the first control instruction is transmitted to the device control module through a first wired transmission structure, the second control instruction is transmitted to the servo positioning control module through a second wired transmission structure, and the third control instruction is transmitted to the robot control module through a third wired transmission structure.
Optionally, the first wired transmission structure includes an EtherCAT bus, one end of the EtherCAT bus is connected to the output end of the control system, and the other end of the EtherCAT bus is connected to the device control module. The flexible welding work system has the following beneficial effects: the control system is used for simultaneously transmitting a first control signal, a second control signal and a third control signal, wherein the three control signals respectively correspond to the control equipment control module, the servo positioning control module and the robot control module. The control system replaces the traditional three-control equipment, solves the technical problems that different control signals are easy to be disordered and the transmission time is inconsistent on the basis of simplifying the structure of the production line equipment, and can simplify the teaching and programming steps and shorten the construction time of the production line. Meanwhile, only one set of control system is purchased in equipment purchase, and cost can be reduced. Meanwhile, different communication protocol modules can be expanded by one control system, various communication modes are provided, and different devices are adapted, so that the universality is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a functional block diagram of a flexible welding work system of the present invention;
FIG. 2 is a block diagram of a control system for a flexible welding work system according to the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It is noted that relative terms such as "first," "second," and the like may be used to describe various components, but these terms are not intended to limit the components. These terms are only used to distinguish one component from another component. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present invention. The term "and/or" refers to a combination of any one or more of the associated items and the descriptive items.
Summary of the application
In the related art, an automobile production line welding unit comprises a flexible automobile body positioning mechanism (controlled by a positioning mechanism control system), a tool clamp, a conveying device, a grating, a safety door and the like (controlled by a PLC), and a robot welding mechanism (controlled by a robot control system). After the automobile body is conveyed to the positioning position, the automobile body is clamped by the clamp, and finally the robot can weld the automobile body. However, the above-mentioned multiple working units (welding and robot control) need a servo positioning device control system, a robot control system and a PLC control system, and 3 sets of control devices are needed, and the setting between the devices is complicated, and different communication units and connection devices are needed for communication. Namely, at least a plurality of sets of control systems are needed in the traditional welding working unit, the setting is complicated, and the interaction is not convenient to establish; the cost is increased by purchasing multiple sets of control systems; the communication protocols of all control systems are different, and application equipment is limited.
In order to solve the technical problem, the utility model provides a flexible welding work system applied to vehicle body welding. The flexible welding work system utilizes a control system to realize the unified control of the equipment in the welding machine unit. The programming can be carried out under a single platform, and the communication interaction among different control systems is saved. Therefore, the sensor and the automation equipment of the production line are integrated on the same platform, and the cooperative control of the production line is convenient to realize. When teaching is carried out, one teaching device can be used for operating the mobile robot and the servo positioning device, teaching steps are simplified, and teaching time is shortened, so that production line construction is accelerated.
FIG. 1 shows a functional block diagram of a flexible welding work system including an equipment control module 20, a servo positioning control module 30, a robot control module 40, and a control system 10.
The apparatus control module 20 includes a driving unit 21 for providing a driving force, a conveying unit 22 connected to the driving unit 21, a clamping unit 24 for clamping the vehicle body, and a button unit 27 for outputting a movement instruction.
In this embodiment, the drive unit may be a servo drive or a frequency converter, which mainly provides a driving force to the transport unit. The conveyor unit may be a conveyor motor, and the conveyor electrodes include, but are not limited to, synchronous electrodes, asynchronous motors, and direct current motors.
This servo positioning control module 30 has the servo positioning equipment 31 that is used for fixing a position the automobile body, this servo positioning equipment include the fixed bolster and set up the jacking module on the fixed bolster, and the jacking module is used for carrying out the jacking operation with the automobile body. The number of the jacking modules can be four, and the jacking modules are respectively arranged around the fixed support to stably jack up the automobile body.
The robot control module 40 has a robot 41 having a welding unit, and the robot control module 40 is used to perform a welding operation on a vehicle body by the welding unit. The welding unit may be a welding torch.
The control system 10 is simultaneously connected to the device control module 20, the servo positioning control module 30 and the robot control module 40. That is, the present invention simultaneously transmits a first control signal, a second control signal and a third control signal through one control system 10, and the three control signals respectively correspond to the control device control module 20, the servo positioning control module 30 and the robot control module 40.
Therefore, the embodiment replaces the traditional three-control equipment with one control system, and can simplify teaching and programming steps and shorten the construction time of the production line on the basis of realizing the simplification of the structure of the production line equipment. Meanwhile, only one set of control system is purchased in equipment purchase, and cost can be reduced. Meanwhile, different communication protocol modules can be expanded by one control system, various communication modes are provided, and different devices are adapted, so that the universality is improved.
In further embodiments of this embodiment, the device control module further comprises an IO unit 25, a signal processing unit 23, and a clamping unit 24. The input end of the IO unit 25 is connected with the output end of the button module 27, and the input end of the signal processing unit 23 is connected with the output end of the IO unit 25. The button module can be two buttons, which are respectively a first button and a second button, wherein the first button is used for triggering the moving instruction, and the second button is used for triggering the clamping instruction. The IO unit 25 is configured to convert the moving command and the clamping command into readable first control information and second control information, and the first control information is transmitted to the signal processing unit 23 to correspondingly control the driving unit 21 to drive the conveying unit 22 to move. And the second control information is transmitted to the clamping unit 24 to clamp the vehicle body to ensure the stability of the moving process.
In other embodiments of this embodiment, the equipment control module further includes a plurality of security fence units, and the equipment control module can be surrounded by the plurality of security fence units by splicing. So as to avoid being interfered by the outside and ensure the safety.
In other embodiments of this embodiment, the device control module further includes a sensor module, which may be an infrared sensor, and may sense an area surrounded by the security fence module by means of infrared sensing.
In other embodiments of this embodiment, the robot control module has a rotation module for 360 degree rotation, and the robot is disposed on the rotation module. The robot control module receives a third control instruction transmitted by the control system, and the third control instruction comprises a plurality of axis control signals for correspondingly controlling the motion of each axis of the robot and a rotation signal for controlling the rotation of the rotation module. For example, the rotation signal is a 60-degree rotation signal, and the rotation signal can control the rotation module to rotate by 60 degrees. The plurality of axis control signals are used for correspondingly controlling the action of the corresponding axis on the robot.
In other embodiments of this embodiment, the robot comprises a six-axis robot or a four-axis robot. When the robot is a four-axis robot, the axis control signals comprise a first axis control signal, a second axis control signal, a third axis control signal and a fourth axis control signal, and each axis of the robot correspondingly executes an action corresponding to one axis control signal, thereby ensuring that the welding module can be finely adjusted to perform welding operation in an area to be welded of a vehicle body.
In other embodiments of this embodiment, the conveying unit includes a linear guide and a slide block for moving linearly on the linear guide, and the servo positioning control module is disposed on the slide block. Namely, the linear motion can be executed on the linear guide rail through the sliding block so as to drive the car body to move linearly.
In other embodiments of the present embodiment, as shown in fig. 2, the control system includes a first control signal generating unit 11, a second control signal generating unit 12, a third control signal generating unit 13, and a signal associating unit 14, where when receiving one welding control command selected by a user, the signal associating unit 14 uses different welding control commands to weld different positions of the vehicle body. The specific principle is as follows: the signal association unit determines corresponding welding area information according to the welding control instruction, and sends the welding area information to the first control signal generation unit 11, the second control signal generation unit 12, and the third control signal generation unit 13, respectively, so that the first control signal generation unit 11 generates a first control signal according to the welding area information, the first control signal is used for controlling the control device control module 20, the second control signal is used for controlling the servo positioning control module 30, and the third control signal is used for controlling the robot control module 40.
Specifically, a first control instruction is transmitted to the equipment control module through a first wired transmission structure, a second control instruction is transmitted to the servo positioning control module through a second wired transmission structure, and a third control instruction is transmitted to the robot control module through a third wired transmission structure. The first wired transmission structure comprises an EhterCAT bus, one end of the EtherCAT bus is connected with the control system, and the other end of the EtherCAT bus is connected with the equipment control module. The connection mode between the control system and the servo positioning control module and the connection mode between the control system and the robot control module are the same as above, and are not described again here.
The utility model has the technical innovation points that: a plurality of control systems of a traditional vehicle body welding unit are simplified into a single control system, and the overstaffed multi-control system networking is simplified; the control system can adapt to various communication protocols and various devices; the new welding unit combines peripheral control, servo positioning control and robotic control.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a flexible welding work system, is applied to the automobile body welding which characterized in that includes:
the equipment control module comprises a driving unit for providing driving force, a conveying unit connected with the driving unit, a clamping unit for clamping the vehicle body and a button unit for outputting a movement instruction;
a servo positioning control module having a servo positioning device for positioning the vehicle body;
a robot control module having a robot with a welding unit;
and the control system is simultaneously connected with the equipment control module, the servo positioning control module and the robot control module.
2. The flexible welding work system of claim 1, wherein the equipment control module further comprises:
the input end of the IO unit is connected with the output end of the button unit;
and the input end of the signal processing unit is connected with the output end of the IO unit.
3. The flexible welding work system of claim 2, wherein the equipment control module further comprises:
a plurality of said security fence units being spliceable to be arranged around said equipment control module.
4. The flexible welding work system of claim 3, wherein the equipment control module further comprises:
a sensor for sensing an area enclosed by the security fence module.
5. The flexible welding work system of claim 4, wherein the servo positioning control module comprises a fixed support and a jacking module disposed on the fixed support.
6. The flexible welding work system of claim 5, wherein the robot control module has a rotation module thereon for 360 degree rotation, the robot being disposed on the rotation module.
7. The flexible welding work system of claim 6, wherein the robot comprises a six-axis robot or a four-axis robot.
8. The flexible welding work system of claim 7, wherein the transport unit comprises a linear guide and a slide for linear movement on the linear guide, the servo positioning control module being disposed on the slide.
9. The flexible welding work system of any of claims 1-8, wherein the control system is configured to output a first control command, a second control command, and a third control command, the first control command transmitted to the equipment control module via a first wired transmission structure, the second control command transmitted to the servo positioning control module via a second wired transmission structure, and the third control command transmitted to the robotic control module via a third wired transmission structure.
10. The flexible weld work system of claim 9, wherein the first wired transmission structure includes an EtherCAT bus, one end of the EtherCAT bus being connected to the output of the control system and the other end of the EtherCAT bus being connected to the equipment control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121632310.7U CN215967027U (en) | 2021-07-19 | 2021-07-19 | Flexible welding work system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121632310.7U CN215967027U (en) | 2021-07-19 | 2021-07-19 | Flexible welding work system |
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| Publication Number | Publication Date |
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| CN215967027U true CN215967027U (en) | 2022-03-08 |
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| CN202121632310.7U Active CN215967027U (en) | 2021-07-19 | 2021-07-19 | Flexible welding work system |
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2021
- 2021-07-19 CN CN202121632310.7U patent/CN215967027U/en active Active
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