39results about How to "For accurate cutting" patented technology

The invention relates to the technical field of cloth detection equipment, and discloses a disc sampler for cloth detection, which comprises an outer shell, the middle part of the outer shell is movably sleeved with a rotating sleeve rod, the top of the rotating sleeve rod is fixedly provided with a driving turntable, the outer shell is internally and movably provided with a cutter head, and the outer ring of the cutter head is fixedly provided with four cutter rests in a cross shape; the inner ring of the sleeve hole is movably sleeved with a middle shaft rod, the outer ring of the middle shaft rod is movably sleeved with a sleeve ring fixedly connected with the bottom of the rotating sleeve rod, the bottom of the sleeve ring is movably connected with a connecting rod, the bottom of the connecting rod is movably connected with a rolling shaft, and the interior of the cutter head is movably sleeved with an inner pressing disc, a tension spring is fixedly connected to the middle of theinner top of the inner pressing disc, a cloth pressing block is fixedly connected to the bottom of the tension spring, the bottom of the rolling shaft abuts against the middle of the top of the clothpressing block, and the disc sampler guarantees the sampling precision and the good sampling effect through cooperative use of the cloth pressing block and the inner pressing disc.

The invention discloses a plasma cutting machine which comprises a machine body, a cutting mechanism, a feeding mechanism and a synchronous driving mechanism.The plasma cutting machine is simple in design, convenient to operate, high in safety and particularly suitable for cutting woven metallic nets, metal filter screens and thin sheets.The machine body is provided with a driving roller set and a driven roller set, natural drooping, caused by lacking of support force, of the woven metallic nets, metal filter screens, thin sheets and the like can be avoided, automatic blanking can be achieved after cutting is completed, collection and management are convenient, potential safety hazards brought by manual picking are avoided, and the safety of manual operation can be guaranteed; a chain is connected to multiple chain wheels and multiple auxiliary chain wheels in an alternating and wound mode and connected with output shafts of driving motors, each synchronous wheel is connected with two adjacent right driven gears through a synchronous belt, synchronous movement of all rollers is guaranteed, and the cutting precision is guaranteed.

The invention discloses a hydraulic oil pipe inner cutting knife which comprises a cutting knife body, wherein an upper connecting end is arranged at one end of the cutting knife body; a lower connecting end is arranged at the other end of the cutting knife body; a water inlet passage, a pressurizing passage and a pressure adjustment screw mounting cavity are arranged in the cutting knife body; a pressure adjustment screw mutually matched with the pressure adjustment screw mounting cavity is in threaded connection with the pressure adjustment screw mounting cavity; a pressure adjustment passage is arranged in the pressure adjustment screw; a pressure adjustment screw fastening groove communicated with the pressure adjustment passage is formed in the lower end of the pressure adjustment screw; a plurality of cutting knife mounting cavities and guide sleeve mounting cavities communicated with the water inlet passage are arranged in the cutting knife body; guide sleeves mutually matched with the guide sleeve mounting cavities are in threaded connection with the guide sleeve mounting cavities; mounting cavities and limiting convex edges are arranged in the guide sleeves; guide sleeve fastening grooves are formed in the outer sides of the guide sleeves; cutting knives and compression springs are arranged in the cutting knife mounting cavities.