The non-clogging pump is a new type of energy-saving pulp pump. After practical use, it has the characteristics of high efficiency, no or less leakage, good anti-clogging, stable operation, high reliability and compact structure.
The non-clogging pump is a new type of energy-saving pulp pump. After practical use, it has the characteristics of high efficiency, no or less leakage, good anti-clogging, stable operation, high reliability and compact structure. It is mainly reflected in the following aspects: the semi-open or fully open impeller, the wear-resistant plate and the front side of the impeller are adjustable, the shaft seal is mainly mechanical seal, and high-precision bearings (D-grade accuracy) and high-quality shaft materials are selected. Therefore, the XWJ pulp pump is your ideal "good helper", and your success is also our constant pursuit.
Non Clogging Pulp Pump,Pulp Pump,Paper Pulp Pump,Pulp Transfer Pump Jiangsu Qiantu Trading Co., Ltd. , https://www.qtpumptrade.com
The annular forging blank is positioned in the lower die by means of the insert 23. The upper and lower molds are closed: the upper mold descends with the press slider, the upper die outer ring 24 and the lower die outer ring 11 are latched, the upper and lower concave molds are closed, and the floating core 27 is in contact with the insert 22 to form a closed The annular cavity. The forging blank is deformed in the closed cavity: as the upper die continues to descend, the springs 28 and 29 are compressed, and the upper combined die and the floating core 27 are moved up relative to the anvil ring 6 or the insert 7, and the annular closed cavity height is reduced. Small, the forging blank is forged and deformed until it fills the cavity. The residual energy of the friction press is absorbed by the elastic deformation of the mold and the fuselage. Forging die: After the deformation of the forging blank is completed, the combined die and the floating core 27 are ascending with the upper die, separated from the forging, and the forging is left in the lower die.
New forging model points: floating upper die and floating core structure, forgings without flash. The horizontally halving upper and lower concave die structure reduces the frictional force of the forging die, thereby reducing the draft angle, and embossing the draft angle of the outer circle of the forging, which significantly reduces the draft dressing. It is not difficult to calculate that the new forging die is reduced by 80 compared with the original forging die. The insert structure is adopted. The outer edge rounding of the inserts 7 and 23 of the mold is most prone to wear, in addition to the upper and lower concave inner rings. Since the insert block and the combined die structure are used, and the inserts 7 and 23 are upper and lower symmetrical parts, respectively, they can be used upside down (one for the top of one module), thereby significantly reducing the manufacturing cost of the mold. The upper and lower molds are guided accurately and without misalignment. Due to the floating mold structure, the cavity formed by the floating mold is deeper. Before the upper mold contacts the blank, the lock is freely introduced without lateral force interference, ensuring accurate guiding of the upper and lower molds, no misalignment, and no lock. Scratches and early wear and tear. Design and manufacturing points: In order to enhance the radial strength of the die and reduce the cost of refining the die, due to the large diameter of the combined die, the temperature difference method can be used for assembly, but the heating temperature should be 50100C lower than the tempering temperature of the die part to avoid the die. Tempered softened. The insert 7 has an interference fit with the anvil ring 6 (H6/u5); the backing ring 3 and the insert 7 are clearance-fitted (H10/c10); for easy replacement of the insert, the inserts 22 and 23 and the block 21 are also For clearance fit (H10/c10). The dark nut is installed on the upper and lower mold bases to avoid the early wear failure of the mold base thread due to the low hardness of the mold base and the frequent disassembly and assembly of the screws. In order to facilitate the counterbore processing of the die holder and the replacement of the dark nut after wear, the counterbore of the die seat is stepped cylindrical, and the difference between the radius of the large and small counterbore (step width) is 57 mm. The small nut and the small counterbore clearance of the die holder (H10/d9) can ensure that the dark nut does not rotate when the screw is tightened on the circumference of the end face, and can be easily ejected when the nut is replaced. .
The cylindrical forging gear blank original forging die draft is too large, the forging metal dressing is much, there are longitudinal flash, it is difficult to remove, hinder turning and waste materials. The new forging die adopts horizontal halving upper and lower concave die structure and floating upper die and floating core structure. The forging has no flash, and the outer circular drafting dressing of the forging is reduced by 80, which significantly reduces the turning allowance of the blank and reduces Material consumption. At the same time, the insert structure is adopted to facilitate the updating of worn parts, which significantly reduces the manufacturing and use cost of the mold.