Hydraulic press for powder formation
A hydraulic press and powder technology, which is applied in the direction of material forming presses, presses, manufacturing tools, etc., can solve the problems of poor adjustment accuracy, complex structure and non-adjustment, and achieve the effect of improving dimensional accuracy and density
Inactive Publication Date: 2004-04-28
朱锦忠
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Problems solved by technology
The upper hydraulic cylinder of most hydraulic machines only has the lower piston rod, the lower hydraulic cylinder only has the upper piston rod, and the upper and lower hydraulic cylinders have no mechanism to adjust the piston stroke, that is, there is no stroke positioning control mechanism. Therefore, the upper and lower hydraulic cylinders of this hydraulic machine The piston stroke is too large and cannot be adjusted. The hydraulic press has a long pressing cycle during the pressing process, so the production efficiency is low; most presses do not have precision positioning mechanisms, and a small number of powder hydraulic presses have a certain range of precision positioning control, which is also through two limits. The limit block is used to limit the stroke. To adjust a stroke position, two limit blocks must be adjusted. The structure of this limit control mechanism is complicated, it is very difficult to adjust, and the adjustment accuracy is poor, and only the pressing position of the upper punch is adjusted.
Therefore, the lack and backwardness of the limit control mechanism of the traditional powder forming hydraulic press greatly restrict the application prospect of the powder forming hydraulic press and affect the precision and intrinsic density performance of the products pressed by the powder hydraulic press
Method used
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[0016] please combine figure 1 2, the powder molding hydraulic press of the present invention, like the traditional hydraulic press, mainly includes an upper hydraulic cylinder 1, an upper hydraulic cylinder beam 2, an upper movable beam 3, an upper punch 4, a female die 5, a lower punch 6, a middle Template 7 , demolding core rod 8 , pull-down plate 9 , lower hydraulic cylinder 10 , fixed main column 20 , movable guiding column 30 . The upper hydraulic cylinder 1 is fixed on the upper hydraulic cylinder beam 2 , the lower end of the lower piston rod 11 of the upper hydraulic cylinder 1 passes through the upper hydraulic cylinder beam 2 , and the lower piston rod 11 has a screw and screw structure and is connected with the upper movable beam 3 . The upper punch 4 is fixedly connected with the upper movable beam 3 , and the concave die 5 is placed in the concave die table 51 and is located below the upper punch 4 . The lower punch 6 is located below the die 5 and is fixed on t...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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The present invention discloses a powder forming hydraulic press, and is characterized by that in the upper and lower hydraulic cylinders of a piston rod, upper and lower limit regulating nuts and lock nut are added respectively, and its upper punching head also is equipped with a female die down-press regulating nut, lock nut and down-press cross-beam, and said down-press cross beam also is fixed with movable guide column. Said invented powder forming draulic press can obtain most economic stroke, and can greatly raise size accuracy and density of powder pressed products.
Description
technical field [0001] The present invention relates to a forming press specially adapted for forming objects from finely divided or powdered material, using a pressure punch, and more particularly to a powder forming hydraulic press. Background technique [0002] In traditional powder molding hydraulic presses, hydraulic cylinders generally only have pressure control without stroke positioning. The upper hydraulic cylinder of most hydraulic presses only has the lower piston rod, the lower hydraulic cylinder only has the upper piston rod, and the upper and lower hydraulic cylinders have no mechanism to adjust the piston stroke, that is, there is no stroke positioning amount control mechanism. The piston stroke is too large and cannot be adjusted. The hydraulic press has a long pressing cycle during the pressing process, so the production efficiency is low; most of the presses do not have a precision positioning mechanism, and a few powder hydraulic presses have a certain ran...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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IPC IPC(8): B30B11/14
Inventor 朱锦忠
Owner 朱锦忠