CN215333730U

CN215333730U - Single-cavity multi-shaft extrusion oil cylinder

Info

Publication number: CN215333730U
Application number: CN202121343858.XU
Authority: CN
Inventors: 杨星辉
Original assignee: Sanhe Oil Cylinder Changzhou Co ltd
Current assignee: Sanhe Oil Cylinder Changzhou Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-12-28
Anticipated expiration: 2031-06-16

Abstract

The utility model relates to a single-cavity multi-shaft extrusion oil cylinder which comprises a cylinder barrel and a gland, wherein the rear end of the cylinder barrel is sealed, the gland is fixedly connected to the front end of the cylinder barrel in a sealing mode, a piston in sliding fit with the inner wall of the cylinder barrel is arranged in a cavity formed by the gland and the cylinder barrel, a first oil port is formed in the side wall of the front end of the cylinder barrel, a second oil port is formed in the side wall of the rear end of the cylinder barrel, and the piston is connected with at least two piston rods with parallel axes. According to the utility model, two piston rods are arranged in one cavity and simultaneously connected with the pistons, and the purpose of synchronous extending and extruding of the piston rods is achieved after pressurization, so that the extruding distance of the piston rods can reach a relatively minimum position, the extruding oil cylinder can extrude a plurality of relatively close extruding points in a narrow space environment, and the use requirement of multi-point extruding in the die-casting process is met.

Description

Single-cavity multi-shaft extrusion oil cylinder

Technical Field

The utility model relates to the technical field of hydraulic oil cylinders, in particular to a single-cavity multi-shaft extrusion oil cylinder.

Background

In the die-casting trade, the extrusion hydro-cylinder uses the position that is relatively narrow and small in mould inner space more, when the die-casting in-process need carry out the multiple spot extrusion, generally use the multistation extrusion hydro-cylinder to extrude, but when two (or a plurality of) extrusion point position is more close, when the space is narrow and small relatively again, the multistation extrusion hydro-cylinder then can't satisfy the requirement, because an extrusion point need set up an inner chamber on the multistation extrusion hydro-cylinder, make the distance between two extrusion points can not be less than specific position, and the design of multicavity multiaxis also makes the volume of hydro-cylinder bigger than ordinary extrusion hydro-cylinder, narrow and small position can't use in the mould inside more.

Disclosure of Invention

The technical problem to be solved by the utility model is as follows: in order to overcome the defects in the prior art, the utility model provides a single-cavity multi-shaft extrusion oil cylinder, which can extrude a plurality of relatively close extrusion points in a narrow space environment.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a single chamber multiaxis extrusion hydro-cylinder, includes cylinder and gland, the cylinder rear end is sealed, the gland seals the rigid coupling at the cylinder front end, be equipped with in the cavity that gland and cylinder formed with cylinder inner wall sliding fit's piston, seted up first hydraulic fluid port on the cylinder front end lateral wall, seted up the second hydraulic fluid port on the cylinder rear end lateral wall, the piston connection have two piece at least piston rods that the axis is parallel.

Preferably, two piston rods with parallel axes are connected to the piston.

The utility model has the beneficial effects that: according to the utility model, two piston rods are arranged in one cavity and simultaneously connected with the pistons, and the purpose of synchronous extending and extruding of the piston rods is achieved after pressurization, so that the extruding distance of the piston rods can reach a relatively minimum position, the extruding oil cylinder can extrude a plurality of relatively close extruding points in a narrow space environment, and the use requirement of multi-point extruding in the die-casting process is met.

Drawings

The utility model is further described with reference to the following figures and embodiments.

Fig. 1 is a schematic structural view of the present invention.

In the figure: 1. the piston cylinder comprises a cylinder barrel, a gland 2, a piston 3, a first oil port 4, a second oil port 5 and a piston rod 6.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

The single-cavity multi-shaft extrusion oil cylinder comprises a cylinder barrel 1 and a gland 2, wherein the rear end of the cylinder barrel 1 is sealed, the gland 2 is fixedly connected to the front end of the cylinder barrel 1 in a sealing mode, a piston 3 in sliding fit with the inner wall of the cylinder barrel 1 is arranged in a cavity formed by the gland 2 and the cylinder barrel 1, a first oil port 4 is formed in the side wall of the front end of the cylinder barrel 1, a second oil port 5 is formed in the side wall of the rear end of the cylinder barrel 1, and the piston 3 is connected with two piston rods 6 with parallel axes.

The number of the piston rods 6 can be increased properly according to the use requirement, for example, three or four piston rods are arranged in parallel and connected with the piston 3.

In the embodiment, two piston rods 6 are arranged in one cavity and are simultaneously connected with the piston 3, and the purpose of synchronously extending and extruding the piston rods 6 is achieved after pressurization, so that the extruding distance of the piston rods 6 can reach a relatively small position, the extruding oil cylinder can extrude a plurality of relatively close extruding points in a narrow space environment, and the using requirements of multi-point extrusion in the die-casting process are met.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a single chamber multiaxis extrusion hydro-cylinder, includes cylinder (1) and gland (2), cylinder (1) rear end is sealed, and gland (2) seal rigid coupling is equipped with in the cavity that gland (2) and cylinder (1) formed with cylinder (1) inner wall sliding fit's piston (3) at cylinder (1) front end, has seted up first hydraulic fluid port (4) on cylinder (1) front end lateral wall, has seted up second hydraulic fluid port (5), characterized by on cylinder (1) rear end lateral wall: the piston (3) is connected with at least two piston rods (6) with parallel axes.

2. The single chamber multi-axis extrusion cylinder of claim 1, wherein: the piston (3) is connected with two piston rods (6) with parallel axes.