CN114346525A - Automatic welding production line and control system and flow thereof - Google Patents
Automatic welding production line and control system and flow thereof Download PDFInfo
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- CN114346525A CN114346525A CN202011081683.XA CN202011081683A CN114346525A CN 114346525 A CN114346525 A CN 114346525A CN 202011081683 A CN202011081683 A CN 202011081683A CN 114346525 A CN114346525 A CN 114346525A
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- 238000003466 welding Methods 0.000 title claims abstract description 90
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000002360 preparation method Methods 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims abstract description 10
- 238000012840 feeding operation Methods 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 4
- 239000012636 effector Substances 0.000 abstract description 3
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- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
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- 229910052786 argon Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
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- 239000001569 carbon dioxide Substances 0.000 description 1
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- 238000009792 diffusion process Methods 0.000 description 1
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- 238000010438 heat treatment Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to the technical field of automatic welding, in particular to an automatic welding production line and a control system and a flow thereof. Its production line includes: the device comprises an external power supply system, a high-pressure air pump, a welding machine, a mechanical arm, a protective gas source, an electrical control cabinet, a workbench, a control box, an operation position, a finished product area and a material preparation area. The automatic welding production line capable of being programmed and controlled in a customized manner is formed by the programmable automatic mechanical arm, the end effector of the gas shielded welding gun and the customized workbench (the workbench is fixed or rotates around the center by plus or minus 180 degrees), so that the defect of the traditional manual welding mode is overcome, the labor cost is saved, the production efficiency is improved, and the product quality is ensured.
Description
Technical Field
The invention relates to the technical field of automatic welding, in particular to an automatic welding production line and a control system and a flow thereof.
Background
In the current industrial mass production, welding is a common manufacturing process, also called fusion and melt welding, which is a manufacturing process and technique for joining metals or other thermoplastic materials such as plastics by heating, high temperature or high pressure, and two or more kinds of materials of the same kind or different kinds can be integrally connected by bonding and diffusion between atoms or molecules by welding. Most of welding in the prior art is manually performed by workers, and enterprises need to collect electric welding professional technicians, so that the labor cost is increased. On the other hand, the quality of manual welding is deeply influenced by the technical capability of a welder, the manual welding is difficult to control, the efficiency of the manual welding is low, and the production mode is difficult to meet the requirements of large-batch and large-scale transformation.
In recent years, with the continuous development of industrial robot technology, welding robots, welding equipment, auxiliary equipment, tools, control systems and the like are effectively integrated, and an automatic and intelligent manufacturing mode of a welding process can be realized. The automatic production mode breaks through the constraint of the traditional production mode, greatly improves the automation and the scale of enterprise production, improves the production efficiency and saves the labor cost. Therefore, production intellectualization and automation are a great trend of future development of the industry.
Disclosure of Invention
The present invention provides an automated welding production line, a control system thereof and a flow scheme thereof, so as to solve the problems mentioned in the background art.
FIG. 1 is a block diagram of an overall control system of an automated welding line according to the present invention. The whole control system comprises: the device comprises an external power supply system, a high-pressure air pump, a welding machine, a mechanical arm, a protective gas source, an electrical control cabinet, a customized workbench (comprising a working plate A and a working plate B) and a control box.
Wherein, the first is an external power supply cable; secondly, a control cable is connected between the electric control cabinet and the mechanical arm; connecting control cables between the mechanical arm and the welding machine; fourthly, the protective gas compression tank is connected with a gas supply pipe of the mechanical arm; connecting the welding machine and the workbench with a ground wire; sixthly, connecting the high-pressure air pump with an air supply pipe of the workbench air valve; seventhly, a control cable is connected between the control cabinet and the workbench; and the control box is connected with a control cable between the control box and the control cabinet.
The electrical control cabinet is a core component of the whole control system, is provided with a power supply module, a power distribution module, a safety module, an I/O interface board, a main computer, a shaft driver and the like, and is mainly used for realizing electrical control on each unit component in the system through customized programming.
The workbench comprises a working disc A and a working disc B; the customized workbench can be in two modes of fixed position and no rotation or positive and negative 180-degree rotation around the center; the working plate A and the working plate B are provided with linear motion cylinders and electromagnetic valves; the cylinder is provided with a pressing block and used for pressing and fixing workpieces on the working plate A and the working plate B, so that the workpieces are not loosened during welding operation of the mechanical arm; the linear motion cylinder controls compressed air provided by the high-pressure air pump through the solenoid valve to perform linear ascending and descending motion, the workpiece is loosened when the cylinder ascends, and the workpiece is compacted when the cylinder descends; the electromagnetic valve can realize customized electrical control through operations such as programming of the electrical control cabinet, and the opening and closing of the electromagnetic valve can be realized through a button of the control box.
The control box is connected with the electric control cabinet through a cable and is provided with a plurality of buttons, and functions of the corresponding buttons can be configured through programming, so that an operator can realize programmed functional operation through the buttons of the control box.
The end effector configured on the mechanical arm is a gas shielded welding gun, and during welding operation, the protective gas compression tank provides protective gas for the gas shielded welding gun, wherein the protective gas can be argon, helium, carbon dioxide and the like, and is specifically adjusted according to different welding materials.
According to the invention, the programmable automatic mechanical arm, the end effector of the gas shielded welding gun and the customized workbench are combined to form the automatic welding production line capable of being programmed and controlled in a customized manner, so that the defects of the traditional manual welding mode are overcome, the labor cost is saved, the production efficiency is improved, and the product quality is ensured.
Compared with the prior art, the invention has the following beneficial effects:
1. the automatic welding system can realize automatic welding, so that the labor cost is saved;
2. the automatic welding system disclosed by the invention combines a welding robot, auxiliary tool equipment, an electrical control system and the like, and is high in intelligent degree and simple in operation and later maintenance;
3. the automatic welding system has higher welding speed than manual operation, can realize large-batch production, and greatly improves the production efficiency;
4. the automatic welding system has adjustable welding parameters, and can set the optimal welding parameters after debugging, thereby ensuring the mass production quality.
Description of the drawings:
FIG. 1 is a system architecture diagram of an automated welding production line of the present invention.
FIG. 2 is an embodiment of an automated manufacturing line according to the present invention.
Fig. 3 is a control flow diagram of the present invention.
Fig. 4 is an embodiment of another automated manufacturing line of the present invention.
FIG. 5 is a schematic control flow chart of the present invention.
Fig. 6 is a schematic view of the position state 1 of the table.
Fig. 7 is a schematic view of the position state 2 of the table.
Wherein, the first is an external power supply cable; secondly, a control cable is connected between the electric control cabinet and the mechanical arm; connecting control cables between the mechanical arm and the welding machine; fourthly, the protective gas compression tank is connected with a gas supply pipe of the mechanical arm; connecting the welding machine and the workbench with a ground wire; sixthly, connecting the high-pressure air pump with an air supply pipe of the workbench air valve; seventhly, a control cable is connected between the control cabinet and the workbench; and the control box is connected with a control cable between the control box and the control cabinet.
The specific implementation mode is as follows:
the present application is further described with reference to the following figures and specific examples:
embodiment one
The invention provides an automatic welding production line, a control system and a flow scheme thereof, as shown in figure 2, the embodiment relates to a welding production line, which comprises the following components: the automatic material preparation device comprises a mechanical arm, a workbench, a working disc A, a working disc B, a shielding plate, a limit range 1, a limit range 2, a limit range 3, an operation position A, an operation position B, a finished product area A, a finished product area B and a material preparation area.
The specific implementation mode of the scheme is as follows:
the position state of the workbench is fixed, the mechanical arm is arranged at the middle position of the workbench, and the position of the mechanical arm needs to be considered to meet the following requirements when being arranged: as shown in fig. 2, the limit ranges 2 and 3 are the maximum operation ranges of the robot arm operation, and the limit range 1 is the minimum operation range of the robot arm operation. The range between limit range 1 and limit range 2 is the range of motion of the robot arm on the disk a and needs to cover the area of the working disk a, and the range between limit range 1 and limit range 3 is the range of motion of the robot arm on the disk B and needs to cover the area of the working disk B. It should be noted that, when the action track of the robot arm is programmed, the robot arm and the shielding plate should be prevented from colliding with each other.
During actual production operation, the operator moves back and forth between the operation area a and the operation area B. When an operator is in the operation area A, the operator can carry out the feeding and discharging operations of the working plate A, the materials required for feeding are obtained from the material preparation area behind, and the discharged finished products are placed in the finished product area A behind. When an operator is in the operation area B, the operator can carry out the feeding and discharging operations of the working plate B, the materials required for feeding are obtained from the material preparation area behind, and the discharged finished products are placed in the finished product area B behind. The workbench is provided with the shielding plate, the working B disc is in a welding operation state when an operator operates the area A, the shielding plate can play a role in shielding spattering sparks and strong light during welding operation, and otherwise, the shielding plate also plays a role in shielding the spattering sparks and strong light when the operator operates the area B.
The specific logic control flow of the scheme is as follows:
referring to fig. 3, step S1 is a power-on and pre-job check, which includes: (1) checking the gas pressure of the protective gas compression tank; checking whether the mechanical arm action area is collided with sundries or not; (2) and starting the power supply of the electric control cabinet, selecting a programmed task and reserving the task. After the appointment is completed, the linear motion cylinder controlled by the mechanical arm and the electromagnetic valve automatically completes the initialization state of the step S2, wherein the initialization state is a state set in the customized programming, so as to enable the automatic welding production line of the present invention to automatically recover to a state before the production task is performed when the automatic welding production line is started, and the state can be realized by the customized programming according to the requirement. After initialization is complete, production tasks may begin. In step S3, the operator first performs a loading operation on the work tray a in the operation area a. And (5) after the feeding is finished, in step S4, the operator closes the air cylinder of the plate A by pressing the button of the control box, so that the stock is firmly pressed by the pressing block, and then the welding task of the plate A is started. And step S5, the operator leaves the operation area A to the operation area B, the mechanical arm moves to perform welding operation on the working disk A, and meanwhile the operator performs feeding operation on the working disk B in the operation area B. And step S6, the mechanical arm returns to the initial posture after the working disc A completes welding operation, the air cylinder and the press block of the disc A are opened, at the moment, the operator finishes feeding the working disc B, the air cylinder of the disc B is closed through the control box button, so that the press block firmly presses the prepared material, and then the welding task of the working disc B is started. And step S7, the working disc B performs the welding operation, the operator leaves the operation area B to the operation area A, the stock on the disc A is welded to form a finished product, the operator takes the finished product from the disc A to the finished product area A to complete the blanking operation, takes the stock from the stock area to the disc A to complete the feeding operation. And step S8, the working disc B returns to the initial posture after the welding operation is finished, the air cylinder and the pressing block of the working disc B are opened, the operator finishes the feeding of the working disc A at the moment, the air cylinder of the working disc A is closed through the control box button, so that the pressing block firmly presses the prepared material, and then the welding task of the working disc A is started. And step S9, the working disc A performs welding operation, the operator leaves the operating area A to the operating area B, the stock on the disc B is welded to form a finished product, the operator takes the finished product from the disc B to the finished product area B to complete the blanking operation, and takes the stock from the stock area to the disc B to complete the feeding operation. And then returns to step S6 to form a task loop.
Embodiment two
Fig. 4 is an embodiment of another automated manufacturing line of the present invention. As shown in the figures, the embodiment relates to a liquid crystal display device including: mechanical arm, workstation, working disc A, working disc B, shielding plate, limit range 1, limit range 2, rotation range, operation position, district of prepareeing material, finished product district.
The specific implementation mode of the scheme is as follows:
the workbench needs to rotate around a central point by an angle of plus or minus 180 degrees, the rotation range is shown in figure 4, and the positions of the working disk A and the working disk B are changed. As shown in fig. 6, when the table is rotated to the state shown in the figure, that is, when the work board B is close to the robot arm, the work board a is far from the robot arm, the state 1 of the table is shown. As shown in fig. 7, when the table is rotated to the state shown in the figure, i.e., the table a is close to the robot arm, and the table B is far from the robot arm, it is in the state 2 of the table. The position of arm sets up in the one end of workstation, need consider when its position sets up and satisfy following requirement: as shown in fig. 2, the limit range 2 is the maximum operation range of the robot arm operation, and the limit range 1 is the minimum operation range of the robot arm operation. The range between the limit range 1 and the limit range 2 of the robot arm is the range of motion thereof, and the entire areas of the work board a and the work board B need to be covered. It should be noted that, when the action track of the robot arm is programmed, the robot arm and the shielding plate should be prevented from colliding with each other.
Different from another embodiment, in the scheme, during actual production operation, an operator does not need to move back and forth between the two operation areas, and only needs to be fixed in the operation area far away from the end of the mechanical arm to perform production operation. During production operation, an operator takes materials from a material preparation area behind the operator and then carries out feeding operation, and a finished product after welding is placed in a finished product area; the workbench is provided with a shielding plate which is used for shielding sputtering sparks and strong light rays during welding operation.
The specific logic control flow of the scheme is as follows:
as shown in fig. 5, step S11 is a power-on and pre-job check, which includes: (1) checking the gas pressure of the protective gas compression tank; checking whether the mechanical arm action area is collided with sundries or not; (2) and starting the power supply of the electric control cabinet, selecting a programmed task and reserving the task. After the appointment is completed, the linear motion cylinder controlled by the mechanical arm and the electromagnetic valve automatically completes the initialization state of the step S12, wherein the initialization state is a state set in the customized programming, so as to enable the automatic welding production line of the present invention to automatically recover to a state before the production task is performed when the automatic welding production line is started, and the state can be realized by the customized programming according to the requirement. After initialization is complete, production tasks may begin. After initialization, the table is in table state 2, as shown in FIG. 7. At this time, the working disk B is located at one end of the operator, and the working disk a is located at one end of the mechanical arm, and at this time, step S13 is executed, so that the operator performs a feeding operation on the front working disk B. After the feeding is completed, step 14 is executed, the operator operates the button of the control box, and the workbench rotates to the position of the state 1, as shown in fig. 6, that is, the working disk B is located at one end of the mechanical arm, and the working disk a is located at one end of the operator. In step S15, the arm performs a welding operation on the work tray B, and at this time, the operator performs a loading operation on the work tray a. Step S16, after the welding operation is completed on the working disk B, the mechanical arm returns to the initial posture, the operator rotates the worktable to the position of state 2 through the control box button, and the mechanical arm starts welding the disk a workpiece, as shown in fig. 7, that is, the working disk a is located at one end of the mechanical arm, and the working disk B is located at one end of the operator. And step 17, the mechanical arm performs welding operation on the working disc A at the moment, and the operator takes down the finished product of which the welding of the working disc B is finished to the finished product area, takes the part from the material preparation area and carries out feeding operation on the disc B. And step S18, after the welding operation of the working disk A is finished, the mechanical arm returns to the initial posture, the operating personnel rotates the working platform to the position of the state 1 through the control box button, and the mechanical arm starts to weld the B disk workpiece. And step 19, the mechanical arm performs welding operation on the working disc B at the moment, and the operator takes down the finished product of which the welding operation on the working disc A is finished in the finished product area, takes the part from the material preparation area and carries out feeding operation on the disc A. And then returns to step S16 to form a task loop.
Claims (4)
1. The utility model provides an automatic change welding production line and control system thereof which characterized in that: its production line includes: the device comprises an external power supply system, a high-pressure air pump, a welding machine, a mechanical arm, a protective gas source, an electrical control cabinet, a customized workbench (a working disc A and a working disc B), a control box, an operation position, a finished product area and a material preparation area.
2. An automated welding line and control system thereof as recited in claim 1 wherein said customized table is either fixed in position without rotation or rotates plus or minus 180 ° around the center.
3. The customized table scheme of claim 2, the control flow method of the table fixed position non-rotation scheme comprising the steps of:
s1, starting up and checking before operation;
s2, automatically completing the initialization state of the linear motion cylinder controlled by the mechanical arm and the solenoid valve;
s3, firstly, an operator carries out feeding operation on the working disc A in the operation area A;
s4, an operator closes the air cylinder of the plate A by pressing a button of the control box to firmly press the prepared material by the pressing block, and then starts the welding task of the plate A;
s5, when an operator leaves the operation area A to the operation area B, the mechanical arm moves to weld the working disc A, and meanwhile, the operator carries out feeding operation on the working disc B in the operation area B; s6, after the welding operation of the working disc A is completed, the mechanical arm returns to the initial posture, the air cylinder and the pressing block of the disc A are opened, at the moment, the operator finishes feeding the working disc B, the air cylinder of the disc B is closed through a control box button, so that the pressing block firmly presses the prepared material, and then the welding task of the working disc B is started;
s7, when the working disc B is performing welding operation, an operator leaves the operating area B to the operating area A, the stock on the disc A is welded to form a finished product, the operator takes the finished product from the disc A to the finished product area A to complete the blanking operation, takes the stock from the stock area to the disc A to complete the feeding operation;
s8, after the welding operation of the working plate B is completed, the working plate B returns to the initial posture, the air cylinder and the pressing block of the working plate B are opened, at the moment, the operator finishes feeding the working plate A, the air cylinder of the working plate A is closed through a control box button, the pressing block firmly presses the prepared material, and then the welding task of the working plate A is started;
s9, the working disc A performs welding operation, the operator leaves the operating area A to the operating area B, the stock on the disc B is welded to form a finished product, the operator takes the finished product from the disc B to the finished product area B to complete blanking operation, takes the stock from the stock area B to the disc B to complete feeding operation; and then returns to step S6 to form a task loop.
4. The customized table solution of claim 2, the control flow method of the table rotation solution about a center of plus or minus 180 ° comprising the steps of:
s11, starting up and checking before operation;
s12, automatically completing the initialization state of the linear motion cylinder controlled by the mechanical arm and the solenoid valve; at the moment, the working disc B is positioned at one end of an operator, and the working disc A is positioned at one end of the mechanical arm;
s13, an operator carries out feeding operation on the front working plate B;
s14, operating the button of the control box by an operator, and rotating the workbench to the position of the state 1, as shown in FIG. 6, namely, the working disk B is arranged at one end of the mechanical arm, and the working disk A is arranged at one end of the operator;
s15, welding operation is carried out on the working disc B by the mechanical arm, and at the moment, feeding operation is carried out on the working disc A by an operator;
s16, after the welding operation of the working disc B is completed, the mechanical arm returns to the initial posture, an operator enables the workbench to rotate to the position of the state 2 through a control box button, and the mechanical arm starts welding the A disc workpiece, as shown in figure 7, namely the working disc A is positioned at one end of the mechanical arm, and the working disc B is positioned at one end of the operator;
s17, the mechanical arm performs welding operation on the working disc A at the moment, an operator takes down a finished product of the welded working disc B to a finished product area, and takes a part from the material preparation area to perform feeding operation on the working disc B;
s18, after the welding operation of the working plate A is completed, the mechanical arm returns to the initial posture, an operator enables the working table to rotate to the position of the state 1 through a control box button, and the mechanical arm starts welding the B plate workpiece;
and S19, when the mechanical arm is performing welding operation on the working disc B, the operator takes down the finished product of which the welding operation on the working disc A is finished to the finished product area, takes the part from the material preparation area to perform feeding operation on the disc A, and then returns to the step S16 to form a task cycle.
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| CN206010190U (en) * | 2016-07-27 | 2017-03-15 | 广州恒申智能化设备有限公司 | The robot welding system of coil pipe in condenser |
| CN206296601U (en) * | 2016-12-19 | 2017-07-04 | 福建通用机器人科技有限公司 | A kind of small triangle robot welding system |
| CN108526659A (en) * | 2017-03-06 | 2018-09-14 | 常州腾兴汽车配件有限公司 | Full automatic car air-conditioning liquid storage pipe seals welding machine and its control system |
| CN107052558A (en) * | 2017-04-18 | 2017-08-18 | 湖北三环汽车工程塑料有限公司 | Door plate welding production line and production method |
| CN107877053A (en) * | 2017-12-18 | 2018-04-06 | 浙江大学昆山创新中心 | A kind of double robot robot welding system |
| CN108044267A (en) * | 2017-12-21 | 2018-05-18 | 株洲天自动焊接装备有限公司 | The automatic welding flow production line and its production method of a kind of box parts |
| CN108274165A (en) * | 2018-03-05 | 2018-07-13 | 宁波弗德曼自动化科技有限公司 | A kind of Multifunctional rotating double-station positioner |
| CN208019691U (en) * | 2018-03-28 | 2018-10-30 | 埃斯顿（湖北）机器人工程有限公司 | A kind of valve robot automatically welding workstation |
| CN208772686U (en) * | 2018-09-13 | 2019-04-23 | 佛山市新工智能化设备有限公司 | A kind of robot welding workstation |
| CN208772690U (en) * | 2018-09-13 | 2019-04-23 | 佛山市新工智能化设备有限公司 | A kind of double-station Plane Rotation positioner with safeguard function |
| CN108973141A (en) * | 2018-09-14 | 2018-12-11 | 宁波汇智恒动自动化科技有限公司 | A kind of process and assemble automatic production line of automotive upholstery |
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