Steel drum seam welder transformation technology has achieved a major breakthrough (Wujiang Xingsheng Packaging Machinery)

Steel drum seam welder transformation technology has achieved a major breakthrough

Yang Wenliang

Recently, the new steel barrel seam welder renovation project developed by Wujiang Yuntong Steel Bar Equipment Technology Co., Ltd. (co-organized by Wujiang Xingsheng Packaging Machinery Co., Ltd. and Nantong Huayang Packaging Container Factory) was successfully completed in Nantong. This technology is another major breakthrough since the successful transformation of China's semi-automatic steel barrel seam welder since 5 years ago. The technology has been applied for and obtained national patents.
I. Main features of the new seam welding machine transformation technology This technology has made the performance of the traditional FN-150 semi-automatic seam welding machine in the steel barrel welding to the maximum extent, and its automation performance has been greatly improved, mainly Features are as follows:
1. Stepless speed regulation for welding The equipment can be adjusted in a wide range by a set of stepless speed regulation system to achieve high speed welding. For welding 200 liter steel drums, the welding speed can be increased to each barrel. The speed of 8 seconds is three times the speed of the original seam welding.
2, the realization of direct seam welding without spot welding positioning The equipment through a set of three sets of waist drums and Z-shaped rods with the same automatic welding machine, can make the barrel after the rounding, without spot welding positioning directly Seam welding not only greatly improves the welding speed, but also effectively improves the welding quality and eliminates the welding quality problems caused by spot welding. In addition, since spot welding is not required, a process is saved. According to the calculation, the investment in spot welding equipment, electricity and labor costs can be saved by 4 to 60,000 yuan per year (to produce 100,000 steel drums per year). Calculation).
The picture shows a partial view of the welder where the welder is welding the steel drum.

3, to achieve PLC touch screen adjustment
The device adopts the latest PLC Chinese touch screen for adjustment control, which realizes simpler and more intuitive humanized adjustment, and realizes automatic computer control, which is not only accurate but also fast and stable. More than ten sets of welding parameters can be preset, and the welding parameters can be easily replaced when changing materials.
The figure below shows the outline of the touch screen regulator.

4. Resistance welding controller with new technology
Using the latest technology of the resistance welding controller, the internal time adjuster provides a trigger signal to the thyristor to change the phase shift angle, control the primary current of the welding transformer, and then convert it by the welding transformer to obtain the required welding steel drum. Welding current.
The figure below shows the outline of the resistance welding controller. It is a user-friendly interface for all Chinese.

5, the welding edge is small and stable
Through the modification of the precise welding positioning system, the welding edge of 3mm is realized, and the welding quality is guaranteed to be continuous and stable, the welding strength is high, the weld sealing performance is good, the weld surface is beautiful and smooth, and the welding quality of the automatic welding machine Can be comparable.
The figure below shows a partial view of the barrel of the newly modified welder.

6, low transformation costs
The technical transformation is carried out on the basis of the domestic FN-150 welding machine, and the transformation cost is low, which is suitable for the transformation needs of most small and medium-sized barrel enterprises in China, which is called high quality and low price.
Second, the analysis of new technology breakthrough points
Wujiang Xingsheng Packaging Machinery Co., Ltd. is a new enterprise that has started to develop and produce steel drum manufacturing equipment in recent years. It is a dark horse in China's barrel equipment industry. With a new mechanical design concept, it uses a large number of international latest mechanical structures. Control methods and components, as well as computer application technology, have produced a series of refreshing barreling equipment. The biggest feature of his equipment is advanced technology and low price. It has been applied in domestic small and medium-sized enterprises.
The seam welding machine transformation project carried out this time was jointly developed with Nantong Huayang Packaging Container Factory on the basis of their success in the transformation of the seam welding machine for Wujiang Wu's barrel factory, and many improvements were obtained. A big breakthrough. Compared with the seam welding machine transformation plan carried out by most enterprises at present, its advanced nature is very obvious, and it leaves a wide space for further improvement in the future. It is no exaggeration to say that this transformation is a semi-automatic seam welding machine for China. The improvement has opened up an infinite development door, which is the best way to achieve a low-cost steel barrel seam welder to achieve a low-cost and high-quality transition.
The newly-reformed seam welder works by first pushing the rolled barrel into the Z-shaped positioning rod between the welding arms, and then the waist drum clamps the barrel and the welding arm is pressed down to start welding. The barrel moves from the inside to the outside, and the welding is completed when the barrel completely walks out of the welding wheel. This improvement completely eliminated the process of positioning by the spot welder, saving one spot welder, saving two operators, saving the power consumption of the spot welder and reducing the welding caused by spot welding. Slit breakdown and other quality defects. The degree of automation of the barrel has taken a big step.
The application of the variable frequency speed control system enables the welding speed of the seam welder to achieve stepless speed regulation, which makes it easy to achieve high speed welding and maximize the performance of the semi-automatic welding machine. At present, the modified welder can reach a barrel speed of eight seconds (for a 200 liter steel drum). With the appropriate upper and lower barrels, high-speed welding can be easily achieved and matched with the most high-speed barrel production line in China.
On the basis of this transformation, with the weld rolling device, the 3mm lap seam can be flattened, the weld flatness and aesthetics can be increased, and the curling defects caused by the thick weld bead can be reduced.
By changing the mounting structure of the welding arm, it is easy to realize the post-feed welding of the welding machine, eliminating the auxiliary time of the advance material, greatly improving the welding speed, and easily achieving high-speed automatic welding.
Through the secondary bridge rectification of the welding power source, the precise control of the welding current can be further realized, the welding quality and the welding speed can be greatly improved, and the semi-automatic to fully automatic transformation can be completed at the lowest cost. The application of DC welding greatly reduces the cost of automation and reduces the power consumption of the equipment. It is the most practical development direction.
The increase of the automatic feeding mechanism can also effectively reduce the consumption of the welding auxiliary time, enhance the accuracy of the welding positioning, and reduce the working intensity of the operator.
Third, the development process of China's steel barrel seam welder transformation technology
The new technology of the welding machine has made China's development in steel barrel welding equipment a big step. From the Nanjing Mining Machinery Factory, China's first fully automatic welding machine was developed. A year ago, Shenzhen Juntengfa Welding Equipment Co., Ltd. produced a fully automatic high-speed seam welding machine, and then broke through this new seam welding machine transformation technology. The development of China's steel barrel seam welder has gone through two decades of ups and downs, but the rough roads are unimaginable. So far, it has actually experienced four major changes.
1. The birth of automatic seam welding machine
In 1987, Nanjing Mining Machinery Factory, through years of research and development, used the Commonwealth welding machine as a model to manufacture the first automatic steel barrel seam welding machine in China, which dropped a blockbuster in China's barrel industry. However, due to the poor economic and technological development of China at that time, the localization brought a lot of problems, the quality and performance of the equipment components could not be met, resulting in frequent failure of the automatic welding machine during operation, and the cost was too high. So after a few years, only a few automatic welding machines were produced without continuous development, and they died in the middle.
2. The emergence of semi-automatic welding machine transformation technology
In the ten years after the first fully automatic seam welder was produced and died, the domestic barrel industry renewed its hopes on the transformation of semi-automatic seam welders. Therefore, various transformation schemes have been successively produced, such as the seam welder device developed by Tianjin Jingda Dilute Equipment Reconstruction Co., Ltd., the weld seaming machine developed by Xi'an Machinery Research Institute, etc., because there is no breakthrough improvement in current control. So, there has never been a leap in quality and speed, so there is no large-scale application. But these efforts have provided useful experience for seam welder retrofitting a few years later.
Five years ago, when Shanghai Meida Welding Equipment Co., Ltd. came out with a micro-machine type resistance welding controller, it ushered in a new trend of steel barrel seam welding machine transformation. This time, the seam welder transformation has broken through the traditional welding machine control concept, and realized the edging and welding effect of the automatic seam welding machine, which has greatly improved the welding quality. Therefore, it seems that the domestic barrel industry is popular overnight. This is a technological leap. This is a qualitative change. At present, the seam welder transformation using this technology has been popularized in China's barrel industry.
3, automatic seam welder appears again
A year ago, when Shenzhen Juntengfa Welding Equipment Co., Ltd. manufactured a steel barrel automatic seam welding machine, China's barrel industry saw hope. This is the second time in China that there is a steel barrel automatic seam welding machine. Since it appeared in the first automatic seam welding machine for ten years, the domestic economic and technological foundation has made great progress, which is a good time. The co-product of the merger, the emergence of this equipment, has been quickly responded to in the domestic barrel industry. However, due to the particularity of China's barrel industry, there are not many barrel companies that can spend more than one million yuan to purchase seam welders. The main reason is that the pain of the first seam welder dying 20 years ago has not been completely eliminated, and more companies are still waiting to see the stage. Therefore, it will take time to achieve universal application.
4. The new round of seam welder transformation has started
For most barrel companies, they are more willing to spend a small amount of money to effectively modify the semi-automatic seam welder to get more good demand.
The new seam welding machine transformation technology developed by Wujiang Yuntong Steel Barrel Equipment Technology Co., Ltd. has started another round of climax of the seam welding machine transformation in China's barrel industry, which will be a huge one in the history of China's seam welding machine transformation. The change will certainly promote the substantial progress of China's barrel technology and the substantial improvement of the quality of steel drums.
After the successful transformation, they have already proposed a higher development plan for themselves. On this basis, they will gradually realize more functions, achieve faster speed, realize simpler operation, and gradually achieve low cost. We are waiting to see the welding speed and quality effect of the fully automatic seam welder to meet the needs of most barrel companies.