Combined framewrok non pull rod type glass product hydraulic press with adjustable stroke

Abstract

The invention relates to a combined framework non pull rod type glass product hydraulic press with adjustable stroke, comprising a stand platform, a supporting post, an upper transverse beam, a main working oil cylinder, a slide block, a lower transverse beam and an electric control box which is mounted at the side of a machine body. The combined framework non pull rod type glass product hydraulic press with adjustable stroke is characterized in that the internal side of the supporting post is provided with a shoulder; the upper transverse beam and the lower transverse beam are provided with shoulders, and the upper transverse beam and the lower transverse beam are fastened with the shoulder of the supporting post through the shoulders and bolt fastening components to form a gantry framework type machine body structure; and the lower plane of the upper transverse beam is provided with a gate device. The combined framework non pull rod type glass product hydraulic press with adjustablestroke has simple and reasonable structure as well as convenient installation and connection, lightens of the weight of a main machine, saves large amount of steel, greatly reduces the manufacture cost of the hydraulic press as the main working oil cylinder adopts a cylinder action type slide block structure inside which a plunger is totally mounted to result in the reduction of the length of an oil cylinder by approximate 4 / 5 and reduction of oil consumption of the hydraulic press by at least 4 / 5. The total power and the pump energy of the electric motor of the hydraulic press are below 50 percent of those of the traditional hydraulic press, the electric energy and industrial oil are obviously saved, and the production cost can be reduced for users.

Description

technical field [0001] The invention belongs to the field of forging machinery, and in particular relates to a composite frame non-tie rod hydraulic press for glass fiber reinforced plastic products with an adjustable stroke. Background technique [0002] At present, the typical structures of known hydraulic presses for glass fiber reinforced plastic products are mostly three-beam four-column type, integral frame type and combined frame tie-rod type. The three-beam four-column fuselage adopts the casting type or the steel plate welding type, that is, the upper beam, the lower beam and the moving beam are connected as a whole through four columns and corresponding 16 lock nuts. The overall shape of this type of hydraulic press is small. The precision of the fuselage is not as high as that of other types of hydraulic presses, and it is generally used for pressing products with low precision; the overall frame-type fuselage adopts an integral steel plate welding structure, that...

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Problems solved by technology

The three-beam four-column fuselage adopts the casting type or the steel plate welding type, that is, the upper beam, the lower beam and the moving beam are connected as a whole through four columns and corresponding 16 lock nuts. The overall shape of this type of hydraulic press is small. The precision of the fuselage is not as high as that of other types of hydraulic presses, and it is generally used for pressing products with low precision; the overall frame-type fuselage adopts an integral steel plate welding structure, that is, the upper beam, lower beam and pillar are combined and welded together. The main machine table of similar models is small and the overall shape is small; the combined frame tie-rod fuselage adopts the steel plate welding structure of the upper beam, the lower beam and the four pillars respectively, and then uses four tie rods that pass through the four pillars vertically to connect the upper beam and the lower beam. The beam and four pillars are installed together. This type of machine is suitable for hydraulic presses with large tables and large overall shapes; the above-mentioned integral frame type and combined frame tie rod type hydraulic presses are characterized by strong rigidity and small deformation, but manufacturing and assembly difficulty

The main working cylinder and the slide block are connected as a whole, so in the general tonnage, the stroke is long, and the variable stroke is required, especially in the hydraulic machine with a small workbench, this structure is extremely large, and it is also corresponding The weight of the main engine is greatly increased, and a large hydraulic oil flow is required to drive the main working cylinder and the slider movement, especially for large hydraulic machines, so the system energy is also greatly increased, resulting in its manufacturing cost and Waste of hydraulic press operating costs

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