锤片式魔芋粉碎机的优化设计含proe三维及31张CAD图.zip

外文文献A new kind of impact breakerTangHeTie(changsha highway bridge construction company ,changsha hunan ,410007)AbstractAbstract: describes the type of SVEDALA company B7100 working principle of impact breaker, analyzes the impact breaker,Mandibles crusher and cone crusher work characteristics and applications, and emphatically introduces the composition and impact breaker mainly structure characteristics.Keywords: construction machinery, Crusher, Working principle, Structure characteristicsNow the most common material crushing machine hubei type is broken.Machine and cone crusher, the crusher of stone of flake.A large proportion of material, the influence of the aggregate gradation, the cause of concrete qualityUnstable, make the road to ensure quality. At present already from Foreign introduced impact breaker (such as SVEDALA) companyB7100type impact breaker), the production function is broken the stone, the cube concrete production quality is very important.1.Several crusher work characteristics and applicationsMandibles crusher is driven by two hubei plate transmission system periodically sports, rely on the working surface two broken tooth interlaced layout. Type will be crushed stone foils, discontinuous. And crushing efficiency is low,Energy consumption, worn parts, stone flake rate is high, grainLarge scope of degrees. But its simple structure, convenient maintenance, for hard mineral Have high crushing effect, so commonly used level.On the cone crusher fixed cones and eccentric exercise within the cone will be crushed stone, it is a continuous breakage, production efficiency than hubei type Machine. But the cone crusher is a kind of mechanical parts, let wear easily, cause instability, grain products with large size and scope.For secondary crushing and less demanding on product at the end of the class.Counterattack crusher is a continuous the mechanical broken. It will fight back, and centrifugal grinding, sheare and breaking principle of organic together, make its energy and crushing cavity fully and effectively with high efficiency, broken, a thin and even less vulnerable parts, maintenance, insurance keep convenience, low energy consumption. In the production of products and good shape of edges and corners, needle shape, size, and less commonly used for powder against the aggregate. At the end of the roadbed level, it can also be used for building materials, chemicals, mining and smelting.The fine gold industry. used in grinding finely greatly .The low grinding machine, the grinding materials in size and the efficacy of grinding.2 The working principle of impact breakerIn industry, widely applied to the material crushing method is still mechanical force is broken, the main squeeze, splitting, breaking, polishing and impact crush etc. Mandibles crusher is near when moving hubei board periodically.When using extrusion action it will be installed in the material breakage during due to hubei board.For tooth type structure, the broken pieces, when both split and grinding. Round cone crusher cavity with extrusion, bending and concurrently abrasive. Material in the crushing cavity by huge extrusionwith more than material, when the extrusion pressure between particles of cohesion, the material being breakage. Breakage is a kind of impact breakage, namely the selectivity of material defect, not only save power and can guarantee the granularity, reduced powder breaking . In the moment, particles impact crushing beginning ,it stress wave generated internally, four newsletters and spread quickly in the internal defects, crack and grain interface, etc.The stress concentration, the first to face these particles fragile broken. B7100 counterattacking crusher is based on breakage mechanism manufacturing .The original stone material from the machine, with the top into points hopper control gate ,and the original stone material paddle through a hopper bottom proportional with high-speed operation of the rotor, or through the mouth hopper flank a waterfall runs to fall into crushing cavity. The original stone material in the rotor speed to high speed by circle degree in centrifugal force, under the action of the rotor side by speed of 50-85to fly and export sm,and from the points of stone material mouth dropped particles.The completely inelastic collision occurs, the stone was shattered and crushed .The other particle collisions, grinding, repeatedly in the cavity forming, more turbulent close crushing cavity wall, stone, smaller grain, speed, lower, soonThe stone particles will lose energy into finished hopper. during the break inner cavity near ,there is always a layer of small particles stone, low stone for crushing cavity provides a stone line. So crushing processIs the material of interaction between the particle, namely “broken stone millstones”, it also called stone broken stone, thus impact breaker was since naturally hamme. Because the particles are not direct with stone born and raised friction life-span