CN113601086A - Manual welding anti-welding system and control method thereof - Google Patents
Manual welding anti-welding system and control method thereof Download PDFInfo
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- CN113601086A CN113601086A CN202110925983.XA CN202110925983A CN113601086A CN 113601086 A CN113601086 A CN 113601086A CN 202110925983 A CN202110925983 A CN 202110925983A CN 113601086 A CN113601086 A CN 113601086A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- General Factory Administration (AREA)
Abstract
The invention discloses a manual welding leakage prevention system which comprises a switching power supply, a main control system, a sub-controller and an execution module, wherein the input end of the switching power supply is connected with a power grid, the output end of the switching power supply is connected with the power end of the main control system, the signal end of the main control system is connected with the execution module through the sub-controller, the execution module is provided with at least two clamps and welding machines with the same quantity as the clamps, and each set of clamps is matched with one welding machine for use. According to the invention, through linkage transformation of the manual clamp and the welding tongs, the probability of occurrence of wrong and missing installation problems of manual welding is greatly reduced. The economic loss caused by the wrong and missed installation problem is reduced, so that manpower and material resources are saved, the production efficiency is improved, and the management cost is saved.
Description
Technical Field
The invention relates to an improved technology of welding equipment.
Background
Welding is a commonly used technique in the manufacturing process of automobiles, and particularly, in the welding process of automobile body parts, the welding quality is directly related to the quality of products. At present, manual welding of automobiles is carried out in a batch production process, and problems of workpiece leakage and welding spot leakage frequently occur due to misoperation of personnel and failure of equipment in functions of preventing workpiece leakage and the like, so that unnecessary economic loss is brought to a host factory and various suppliers.
The welding machine and the anchor clamps of present manual welding line do not all possess in the production process leak protection piece, leak the suggestion and the leak protection function of solder joint, do not have one set of reliable system to monitor under the condition, can only look over through modes such as selective examination, not only inefficiency, need additionally pay out a large amount of human costs moreover, if the problem of leak protection piece and leak the solder joint then need the process to reprocess secondary trompil, welding etc. and the vehicle to the anticorrosive of automobile body and the abnormal sound scheduling problem that probably appears after driving for a long time and use.
Disclosure of Invention
The invention aims to solve the technical problem of realizing a system for optimizing manual wire welding equipment and a clamp, avoiding the problem of welding missing, saving cost, reducing customer complaints and improving product quality.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a manual welding leak protection system, the system includes switching power supply, main control system, divides controller and execution module, the electric wire netting is connected to the switching power supply input, and the main control system power end is connected to the output, main control system's signal end is through dividing the controller to connect execution module, execution module is equipped with two at least anchor clamps and the welding machine the same with anchor clamps quantity, and every set of anchor clamps uses with a welding cooperation.
The main control system is provided with a communication module, a PLC and a display, the communication module is connected with the PLC and is communicated with the remote control equipment, a display port of the PLC is connected with the display and displays parameter information through the display, and a sub-controller is connected with a control port of the PLC.
Divide the controller to be equipped with two sets ofly, a set of host computer, a set of stand-by machine, two sets of branch controllers all connect PLC through the data line, every group divide the controller to constitute by welding machine control module and anchor clamps control module, welding machine control module is equipped with the grafting port with every welded connection, anchor clamps control module is equipped with the grafting port of being connected with every anchor clamps.
Each welding machine and each clamp are connected with a host machine or a standby machine through data lines, and the end head of each data line is a plug structure matched with the plug port.
The control method based on the manual welding anti-welding system comprises the following steps:
1) the system works, and a worker selects a workpiece to be welded;
2) the system is matched with a welding machine and a clamp;
3) the staff uses anchor clamps and welding to carry out manual welding to the work piece, behind anchor clamps centre gripping work piece, calculates the welding of welding machine and beats the number of points, when the welding beat number of points reach this work piece single welding and set for the number of times after, anchor clamps loosen, accomplish the weldment work of a work piece.
And 3) when the required program of the workpiece exceeds one section, the workpiece is clamped again by the tool position clamp adjusted by the worker during the second-section welding, the welding number of the welding machine is calculated, and when the welding number of the welding number reaches the set number of times of the second-section single welding of the workpiece, the clamp is released to complete the second-section welding of the workpiece, and the like.
And 3) in the step (3), the welding point number of the welding machine is allowed to exceed the set number of times.
In the step 2), after the working welder and the working clamp are matched, the numbers of the welder and the working clamp entering the working mode are indicated on the display.
The working parameters of the PLC are adjustable parameters, and the remote control equipment can enter a parameter modification mode by inputting a set account and a set password.
And the PLC counts the data of the welding workpieces and uploads the quantity.
According to the invention, through linkage transformation of the manual clamp and the welding tongs, the probability of occurrence of wrong and missing installation problems of manual welding is greatly reduced. The economic loss caused by the wrong and missed installation problem is reduced, so that manpower and material resources are saved, the production efficiency is improved, and the management cost is saved.
Drawings
The following is a brief description of the contents of each figure in the description of the present invention:
FIG. 1 is a schematic diagram of a manual welding leak prevention system.
Detailed Description
The following description of the embodiments with reference to the drawings is provided to describe the embodiments of the present invention, and the embodiments of the present invention, such as the shapes and configurations of the components, the mutual positions and connection relationships of the components, the functions and working principles of the components, the manufacturing processes and the operation and use methods, etc., will be further described in detail to help those skilled in the art to more completely, accurately and deeply understand the inventive concept and technical solutions of the present invention.
The invention mainly interconnects the suspension spot welding equipment and the clamps by adding modules such as PLC (programmable logic controller) and remote D-network input/output, electromagnetic valves and the like, inputs the number of assembling parts and the number of process welding points of each set of clamp assembly, achieves the effect of leakage prevention by calculating the number of times of electrifying welding of inductors and welding tongs, and the signal transmission diagram of the system is shown in figure 1.
The manual welding leakage prevention system comprises a switching power supply, a main control system, a branch controller and an execution module, wherein the input end of the switching power supply is connected with a power grid, the output end of the switching power supply is connected with the power end of the main control system, the signal end of the main control system is connected with the execution module through the branch controller, the execution module is provided with at least two fixtures and welding machines with the same number as the fixtures, and each set of fixtures is matched with one welding machine for use.
The main control system is provided with a communication module, a PLC and a display, the communication module comprises a remote D network input module and a remote D network output module and is used for communicating with a remote control device, the remote control device is a computer in a control room and can also be matched with a professional handheld computer for use, and the communication module is connected with the PLC, so that the remote end is controlled to the whole welding system.
The PLC display port is connected with the display and the display displays the parameter information, and the display preferably selects the touch screen, so that the field operation and parameter information prompt of the system can be realized through the touch screen, for example, a workpiece to be processed is selected, and then, for example, the current dotting data is displayed. PLC control port connects and divides the controller, divides the preferred setting of controller two sets ofly, and a set of host computer, a set of standby machine that is to avoid dividing the controller trouble and leading to shutting down, and two divide the controller all to pass through data line connection PLC, and every group divides the controller to constitute by welding machine control module and anchor clamps control module, and welding machine control module is equipped with the grafting port with every welded connection, and anchor clamps control module is equipped with the grafting port of being connected with every anchor clamps. Every welding machine and anchor clamps pass through data line connection host computer or standby machine, every the line end of data is the plug structure with grafting port matched with, adopts to connect and inserts the structure, and the convenience is when the host computer trouble, and all plugs are pulled out fast, insert the standby machine again.
During operation, the welding machine transmits the information of the number of welding spots to the PLC, the clamp transmits signals such as a mounting part to the PLC through the sensor, and the PLC processes collected data and then sends an execution result to the electromagnetic valve on the side of the clamp. The touch screen is connected with the PLC, displays the current information processing process and alarm information, and can also switch vehicle models, reset alarm information and the like through man-machine interaction. The control system needs 220V AC power supply, and the information acquisition module needs 24V DC power supply.
The functions and the working principle of each module are as follows:
1. the password protection function is provided: in order to control the quality, a craftsman, a production manager or other authorized personnel can set and modify the parameters, and the password can be set and modified at will.
2. The setting function of multiple workpieces is provided: when a workpiece 1 is produced, the fixture 1 is selected on the touch screen, and the system automatically enters a management and control mode of the workpiece 1. When a workpiece is produced to be 2, the fixture 2 is selected on the touch screen, and the system automatically enters a 2 management and control mode. By analogy, a plurality of workpieces can be controlled by a plurality of clamps.
3. Possess solder joint tally function: and calculating the finished number of the workpieces and the total number of the workpieces on duty according to the set number of the welding spots. The welding signal acquisition of the counter is completely carried out on a welding machine controller, when the transformer is electrified and the welding machine has welding action, the counting is carried out once, one of the two conditions is unavailable, and otherwise, the counting is not carried out.
4. Possess solder joint and set up the function: the number of welding points can be set in two sections. A first stage: and setting the number of the dotting points of the welding machine according to the number of the welding points of the single workpiece. When the number of welding points of a single part is counted, the clamp is loosened, and the set number of welding points at the first section is automatically reset. And a second stage: and setting the number of welding points. Due to the shapes of some parts and the clamp, all welding points cannot be welded at one time, and the clamp needs to be opened for repair welding. The number of the welding points of the second section is the total number of the points of the workpiece minus the number of the set points of the first section. And when the number of welding points of the second section of the workpiece is finished, prompting by the system. At this time, the welding machine is not started, and the welding machine can work only after being reset. The system defaults to one workpiece after the first and second segments are completed. The second segment parameter is set to 0 or blank if the second segment is not needed.
5. Possess electrode coping function warning: and reminding the electrode to be ground when the number of the dotting of the welding machine is accumulated to the set number of the electrode to be ground. And resetting the welding machine after finishing the grinding, and recovering to be normal.
6. The clamp linkage function is as follows: an electromagnetic valve and a sensor are added on the clamp to control a certain cylinder of the clamp. This function needs to match the functions of items 2 and 3. One counter system can manage and control a plurality of sets of fixtures and a plurality of welding machines. The welding machine does not perform dotting according to the process requirements when dotting, the clamp does not loosen when the dotting quantity of a single workpiece is not enough, the inspection and the treatment (dotting supplement) are prompted, and the clamp can be opened after dotting is completed.
7. Possesses the repair welding function: the default of the system can be over-point, less points are not allowed, and when some dotting positions of the workpiece are not aligned or other conditions needing repair welding exist, the system has a repair welding function.
8. The mistake-proof and leak-proof functions are as follows: the sensor is arranged on the clamp, and leakage prevention and mistake prevention of a leakage part, a leakage process and a similar part can be realized through the clamp linkage function.
9. Meanwhile, a basic data acquisition platform can be provided for production management software, and the productivity calculation and the yield planning are facilitated.
The invention is based on photoelectric information, and connects the welding machine and the welding fixture in series, thereby realizing the error prevention among all processes, the system is controlled by a special person to set and optimize parameters, other persons have no permission to set passwords and parameters at will, the safety is high, the production management software of the system provides a basic data acquisition platform, and the productivity calculation and the yield planning are convenient; the system can effectively avoid the problems of workpiece leakage and welding spot leakage caused by misoperation of staff in the subsequent production process, and reduces the economic loss caused by the workpiece leakage and welding spot leakage, thereby saving manpower and material resources and improving the production efficiency.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.
Claims (10)
1. The utility model provides a manual welding leak protection welds system which characterized in that: the system comprises a switching power supply, a main control system, a branch controller and an execution module, wherein the input end of the switching power supply is connected with a power grid, the output end of the switching power supply is connected with the power end of the main control system, the signal end of the main control system is connected with the execution module through the branch controller, the execution module is provided with at least two fixtures and welding machines with the same number as the fixtures, and each set of fixtures is matched with one welding machine for use.
2. The manual welding leak prevention system of claim 1, wherein: the main control system is provided with a communication module, a PLC and a display, the communication module is connected with the PLC and is communicated with the remote control equipment, a display port of the PLC is connected with the display and displays parameter information through the display, and a sub-controller is connected with a control port of the PLC.
3. The manual welding leak prevention system of claim 2, wherein: divide the controller to be equipped with two sets ofly, a set of host computer, a set of stand-by machine, two sets of branch controllers all connect PLC through the data line, every group divide the controller to constitute by welding machine control module and anchor clamps control module, welding machine control module is equipped with the grafting port with every welded connection, anchor clamps control module is equipped with the grafting port of being connected with every anchor clamps.
4. The manual weld leak prevention system of claim 3, wherein: each welding machine and each clamp are connected with a host machine or a standby machine through data lines, and the end head of each data line is a plug structure matched with the plug port.
5. The control method of the manual welding leakage prevention system based on any one of claims 1 to 4 is characterized in that:
1) the system works, and a worker selects a workpiece to be welded;
2) the system is matched with a welding machine and a clamp;
3) the staff uses anchor clamps and welding to carry out manual welding to the work piece, behind anchor clamps centre gripping work piece, calculates the welding of welding machine and beats the number of points, when the welding beat number of points reach this work piece single welding and set for the number of times after, anchor clamps loosen, accomplish the weldment work of a work piece.
6. The control method according to claim 5, characterized in that: and 3) when the required program of the workpiece exceeds one section, the workpiece is clamped again by the tool position clamp adjusted by the worker during the second-section welding, the welding number of the welding machine is calculated, and when the welding number of the welding number reaches the set number of times of the second-section single welding of the workpiece, the clamp is released to complete the second-section welding of the workpiece, and the like.
7. The control method according to claim 5 or 6, characterized in that: and 3) in the step (3), the welding point number of the welding machine is allowed to exceed the set number of times.
8. The control method according to claim 7, characterized in that: in the step 2), after the working welder and the working clamp are matched, the numbers of the welder and the working clamp entering the working mode are indicated on the display.
9. The control method according to claim 8, characterized in that: the working parameters of the PLC are adjustable parameters, and the remote control equipment can enter a parameter modification mode by inputting a set account and a set password.
10. The control method according to claim 1 or 9, characterized in that: and the PLC counts the data of the welding workpieces and uploads the quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110925983.XA CN113601086A (en) | 2021-08-12 | 2021-08-12 | Manual welding anti-welding system and control method thereof |
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| CN202110925983.XA CN113601086A (en) | 2021-08-12 | 2021-08-12 | Manual welding anti-welding system and control method thereof |
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| CN113601086A true CN113601086A (en) | 2021-11-05 |
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