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Hydraulic press for plastic and metal processing

A technology for metal processing and hydraulic presses, applied in the field of hydraulic presses, can solve problems such as high power peaks, achieve small circulating hydraulic oil volume, reduce cooling power, and save energy

Active Publication Date: 2013-03-27
DIEFFENBACHER GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] e) High power peaks occur in the electric-driven free-running bridge, which has disadvantages for operating economy and for increased control technology requirements at the power supplier

Method used

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  • Hydraulic press for plastic and metal processing
  • Hydraulic press for plastic and metal processing
  • Hydraulic press for plastic and metal processing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] figure 1 A schematic sectional view of a hydraulic press in the open state is shown, with a press frame 1 , a press table 20 fixedly arranged thereon, and a press punch 2 arranged displaceably above it. To move the press punch 2 in the rapid stroke, a rapid stroke cylinder 12 is arranged laterally on the punch adapter 13 . A toothed rack 3 is articulated via a hydraulic bearing 4 above the press punch 2 according to implementation requirements and necessity, and the toothed rack is guided in the center bore of the piston 6 of the working cylinder 7 . In this case, the piston 6 has an extension 18 for reliable guidance of the toothed rack 3 and at the same time protects the toothed rack 3 from environmental influences.

[0026] exist figure 2 An enlarged view of the press in the open state can also be seen in . At this time, the clutch pawl 5 is opened, and the piston 6 of the main hydraulic cylinder 7 is located at the top dead center. The above-mentioned situation...

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Abstract

A hydraulic press can include a press frame with a press table arranged thereto and a traveling press platen arranged therein, in which at least one rapid motion cylinder with a platen connection can be arranged for the rapid no-load stroke of the press platen, in which at least one working cylinder with a piston directed toward the press table can be rigidly arranged on the upper crosshead of the press frame, in which a coupling device and opposed thereto a crosshead with at least one positioning and synchronizing cylinder for the piston can be arranged on the piston toward the press table, in which the piston can include a centrically arranged cylindrical extension for the sliding guide of a connecting device, such as a toothed rack, in which this connecting device can be connected to the press platen.

Description

technical field [0001] The invention relates to a hydraulic press for plastics and metal processing according to the subject matter of claim 1 . Background technique [0002] A fast-moving hydraulically driven press for plastics and metal processing is known, in which the stroke of the working cylinder can be dimensioned for different tool heights and opening lifts, that is, according to the desired The tools used can likewise utilize the maximum expected tool height in the insertion space between the press table top and the press punches (larger gap between the fastening base of the press table and the press punches) and the required lift as well as the low tool height (small gap between the fastening base of the press table and the press punch). Because this type of press requires an oil column up to 2.5m, the corresponding working surface and the high processing pressure ratio in the tool, there is a large oil volume in the working cylinder, which in addition to causing ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B30B1/32B30B15/16
CPCB30B15/161B30B1/323B30B15/0035B30B1/34
Inventor R·布鲁塞尔A·赛茨
Owner DIEFFENBACHER GMBH & CO KG
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