Semi-automatic flame cutting machine is widely used in construction, machinery, steel structure and other industries to cut and cut metal profiles, plates, etc., especially for the cutting of large components. At present, many steel structure manufacturers still use the traditional manual or semi-automatic cutting machine to cut on the horizontal surface. The components need to be turned flat, the labor intensity is high, the production efficiency is low, and the cutting quality is unstable, which can not meet the fast pace. The need for efficient production.
The new self-propelled multi-function flame cutting machine is improved on the basis of the CG1-100 semi-automatic flame cutting walking trolley, and the gear rack and the guiding positioning bracket mechanism are combined with the bracket and the hook fixing mechanism to realize Vertical, inclined and cut at any position. It adopts stepless speed regulation, stable movement, large speed range, high production efficiency and stable cutting quality, as well as easy manufacturing, small size, light weight and convenient operation. It is a side view of the whole machine of the self-propelled multifunctional cutting machine.
100 type semi-automatic flame cutting machine, in order to realize the cutting car to walk in any space position, it is necessary to have special walking mechanism, auxiliary device and positioning measures, so that it is very important to walk stably along the specified straight line. According to the overall design and ideas, the mechanical part is divided into four parts: the mechanical walking part, the guiding positioning bracket mechanism part, the hooking adjusting device part and the supporting frame structure part. The moving mode, the auxiliary positioning clamping device, and the rack and pinion drive are as shown.
The design of the moving part of the cutting car changes the active rubber wheel of the original CG1-100 semi-automatic flame cutting machine car into a gear, transforms the original driven wheel into a light wheel, and the traveling track is designed as a rack. The design is directly replaced by a bearing. The driven wheel, the newly designed cutting self-propelled trolley is shown.
2 Design of guiding positioning bracket mechanism 1 Design of walking mechanism The CG1-100 semi-automatic flame cutting machine running wheel currently used is a grooved rubber wheel, which can only be in the horizontal or in the case of small inclination, along the light type When the track is walking, it cannot rise or fall smoothly in the vertical direction. In order to realize the vertical function, the walking wheel is designed as a gear, the walking track is designed as a rack, that is, the gear rack is transmitted as shown, the system adopts two-wheel positioning, from the upper, lower, left and right four directions and the middle track. The square tube forms a rolling fit between the clamping portions, and the gap between the positioning wheel and the square tube is adjusted by an elliptical hole on the box plate, the gap is less than 0.5 mm, and the bracket mechanism is fixedly connected with the cutting trolley. In this way, the self-propelled cutting vehicle is positioned accurately, and the walking along the rail square tube realizes the function of tilting or vertical cutting, and satisfies the requirements of smooth motion and high-speed cutting.
Self-propelled multi-function cutting machine track rail mechanism schematic guide positioning bracket mechanism schematic hook adjustment device bookmark4 5 practical application effect As shown, the entire member can slide along the guide rod to ensure that the cutting carriage moves within the range to be processed Then, it is fixed by the locking screw; the inclination and parallelism of the cutting trolley are appropriately adjusted by the parallel adjusting screw, and the wide-angle adjustment needs to be completed by the adjusting mechanism on the trolley.
4 The design of the joint between the bracket and the rail is as shown in the figure. This part is designed with ordinary materials of simple structure. The rail rack and the square tube are bolted. The end plate and the square tube and the guide rod are also bolted. The support guide positioning bracket Both ends of the square tube and the end plate are connected by elliptical long holes, so as to adjust the gap, the design structure is simple, the production is convenient, and the walking is stable during the cutting process.
The self-propelled multi-function flame cutting machine is mainly used for the company to produce steel structure box parts, H-shaped steel parts, and large-scale non-turning parts, and a small cutting device designed for horizontal, inclined or vertical cutting and opening. Application practice has proved that horizontal, vertical and inclined three-way cutting can be smoothly realized without flipping the components. The cutting plane is smooth and the dimensional accuracy is ±1.5mm, which meets the design requirements.
6 Conclusion A self-propelled multi-function flame cutting machine has been developed. The device has stepless speed regulation and self-propelling device. It realizes horizontal, vertical and inclined three-way cutting and bevel processing without flipping the components, and the production efficiency is improved. More than double. The device has simple structure, accurate cutting and positioning, and the surface quality of the slit meets the requirements, and the manufacturing is easy and the operation is convenient.
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