CN218408022U

CN218408022U - Hydraulic system with fast return stroke of oil cylinder

Info

Publication number: CN218408022U
Application number: CN202221971072.7U
Authority: CN
Inventors: 葛李龙
Original assignee: JIANGYIN METALLURGICAL & HYDRAULIC MACHINERY FACTORY
Current assignee: JIANGYIN METALLURGICAL & HYDRAULIC MACHINERY FACTORY
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2023-01-31
Anticipated expiration: 2032-07-28

Abstract

The utility model relates to a fast hydraulic system of hydro-cylinder return stroke contains door closure jar (1), main cylinder (2), side cylinder (3) of installing on hydraulic baling press, its characterized in that: the oil-return system also comprises a main oil inlet pipeline (7) and a main oil return pipeline (8) which are connected with the oil tank (6) through an oil pump (5), wherein the main oil return pipeline (8) is also connected with the oil tank (6); the rod cavities and the plug cavities of the door cover cylinder (1), the main cylinder (2) and the side cylinder (3) are respectively connected with a main oil inlet pipeline (7) and a main oil return pipeline (8) through an independent oil inlet control valve (9) and an independent oil outlet control valve (10); the plug cavity of the side cylinder (3) is also respectively connected with the rod cavity of the door cover cylinder (1) and the rod cavity of the main cylinder (2) through an oil return control valve (11). The utility model discloses simple structure, hydro-cylinder return stroke are fast, work efficiency is high.

Description

Hydraulic system with fast return stroke of oil cylinder

Technical Field

The utility model relates to a quick hydraulic system of hydro-cylinder return stroke belongs to hydraulic equipment technical field.

Background

The hydraulic baling press is specially used for cold-pressing various light thin waste metal materials, waste steel, copper and aluminum shavings, disassembled automobile shells and waste oil barrel metals into metal blocks, and is convenient for loading, unloading, storage and transportation of waste metal recovery departments and furnace feeding of iron and steel smelting enterprises. The packing execution steps of the existing hydraulic packing machine are as follows: 1. waste metal materials are put into a box body of a packing machine, oil is fed into a cylinder plug cavity of a door cover, and the door cover is pressed down; 2. the oil is fed into the lock cylinder plug cavity, and the door cover is locked by the lock pin; 3. feeding oil into a main cylinder plug cavity, and compressing the waste metal material for the first time; 4. oil is fed into the side cylinder plug cavity, and the waste metal materials are compressed for the second time to form a metal block; 5. the rod cavity of the main cylinder takes oil, and the push head of the main cylinder retracts; 6. the side cylinder rod cavity is filled with oil, and the side cylinder push head is retracted; 7. the oil is fed into the rod cavity of the door locking cylinder, and the door locking pin loosens the door cover lock; 8. the door cover cylinder is provided with a rod cavity for feeding oil, and the door cover is lifted up to complete a briquetting period. The time is long when the door cover cylinder returns, so that the lifting process time of the door cover is long, the briquetting efficiency is influenced, and the briquetting capacity of the hydraulic baler is limited.

Disclosure of Invention

An object of the utility model is to overcome above-mentioned not enough, provide a simple structure, hydro-cylinder return stroke is fast, hydraulic system that work efficiency is high.

The purpose of the utility model is realized like this:

a hydraulic system with a quick return stroke of an oil cylinder comprises a door cover cylinder, a main cylinder and a side cylinder which are arranged on a hydraulic packing machine, and further comprises a main oil inlet pipeline and a main oil return pipeline which are connected with an oil tank through an oil pump, wherein the main oil return pipeline is also connected with the oil tank; the rod cavities and the plug cavities of the door cover cylinder, the main cylinder and the side cylinder are respectively connected with a main oil inlet pipeline and a main oil return pipeline through an independent oil inlet control valve and an independent oil outlet control valve; the plug cavity of the side cylinder is also respectively connected with the rod cavity of the door cover cylinder and the rod cavity of the main cylinder through an oil return control valve.

Furthermore, the hydraulic system with the oil cylinder returning fast also comprises a door locking cylinder which is connected with the oil pump and the oil tank through a pilot control valve.

Further, the oil return control valve comprises a directional cartridge valve and an electromagnetic directional valve.

Further, the oil inlet control valve comprises a directional cartridge valve and an electromagnetic directional valve.

Furthermore, the oil outlet control valve comprises a pressure type cartridge valve, an overflow valve and an electromagnetic directional valve.

Furthermore, a cartridge valve, an overflow valve and an electromagnetic directional valve are arranged on the output pipeline of the oil pump.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a through the oil return control valve respectively on the stopper chamber pipeline of side jar with the pole chamber that has of door closure jar and the pole chamber that has of master cylinder be connected, utilize the side jar to roll back the hydraulic oil that the stroke was gone out in the stopper chamber and get into the pole chamber that has of door closure jar and master cylinder, the action of rolling back of door closure jar and master cylinder has been improved to the action of rolling back with higher speed, hydraulic system's work efficiency has improved hydraulic baling press's briquetting productivity.

Drawings

Fig. 1 is the utility model relates to a hydraulic system's that hydro-cylinder return stroke is fast structural principle diagram.

Wherein:

the hydraulic control system comprises a door cover cylinder 1, a main cylinder 2, a side cylinder 3, a door locking cylinder 4, an oil pump 5, an oil tank 6, a main oil inlet pipeline 7, a main oil return pipeline 8, an oil inlet control valve 9, an oil outlet control valve 10, an oil return control valve 11, a pilot control valve 12, a directional cartridge valve 13, an electromagnetic directional valve 14, a pressure cartridge valve 15, an overflow valve 16 and a cartridge valve 17.

Detailed Description

Referring to fig. 1, the hydraulic system with a fast return stroke of an oil cylinder, which is provided by the present invention, comprises a door cover cylinder 1, a main cylinder 2, a side cylinder 3, a door locking cylinder 4, which are installed on a hydraulic baler, and further comprises a main oil inlet pipeline 7 and a main oil return pipeline 8, which are connected with an oil tank 6 through an oil pump 5, wherein the main oil return pipeline 8 is further connected with the oil tank 6; the rod cavities and the plug cavities of the door cover cylinder 1, the main cylinder 2 and the side cylinder 3 are respectively connected with a main oil inlet pipeline 7 and a main oil return pipeline 8 through an independent oil inlet control valve 9 and an independent oil outlet control valve 10, wherein the oil inlet control valve 9 comprises a directional cartridge valve 13 and an electromagnetic directional valve 14, and the oil outlet control valve 10 comprises a pressure type cartridge valve 15, an overflow valve 16 and an electromagnetic directional valve 14; the plug cavity of the side cylinder 3 is also respectively connected with the rod cavity of the door cover cylinder 1 and the rod cavity of the main cylinder 2 through an oil return control valve 11, and the oil return control valve 11 comprises a directional cartridge valve 13 and an electromagnetic directional valve 14; the door locking cylinder 4 is connected with the oil pump 5 and the oil tank 6 through a pilot control valve 12; and a cartridge valve 17, an overflow valve 16 and an electromagnetic directional valve 14 are also installed on a pipeline at the output end of the oil pump 5.

When the hydraulic oil return device works, the oil inlet control valve 9 of the plug cavity of the door cover cylinder 1 is opened, the oil outlet control valve 10 of the rod cavity is opened, hydraulic oil enters the plug cavity of the door cover cylinder 1 from the main oil inlet pipeline 7, the hydraulic oil of the rod cavity returns to the oil tank 6 from the main oil return pipeline 8, and the door cover cylinder 1 is closed; otherwise, the door cover cylinder 1 is lifted up when the door cover cylinder operates. The control principle of the compression and retraction of the main cylinder 2 and the side cylinder 3 is identical to that of the door cover cylinder 1 described above.

When the side cylinder 3 retreats the stroke, the plug cavity of the side cylinder 3 produces oil, the rod cavity produces oil, the hydraulic oil flowing out of the plug cavity of the side cylinder 3 flows into the rod cavity of the door cover cylinder 1 and the main cylinder 2 through the oil return control valve 11, so that the retreating speed of the door cover cylinder 1 and the main cylinder 2 is improved, the door cover lifting time is shortened, the main cylinder 2 returning speed is improved, the working efficiency of a hydraulic system is improved, and the briquetting packaging efficiency of a hydraulic baler is correspondingly improved.

In addition: it should be noted that the above-mentioned embodiment is only an optimized solution for this patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of this patent.

Claims

1. The utility model provides a quick hydraulic system of hydro-cylinder return stroke, contains door closure jar (1), main cylinder (2), side jar (3) of installing on hydraulic baling press, its characterized in that: the oil-return system also comprises a main oil inlet pipeline (7) and a main oil return pipeline (8) which are connected with the oil tank (6) through an oil pump (5), wherein the main oil return pipeline (8) is also connected with the oil tank (6); the rod cavities and the plug cavities of the door cover cylinder (1), the main cylinder (2) and the side cylinder (3) are respectively connected with a main oil inlet pipeline (7) and a main oil return pipeline (8) through an independent oil inlet control valve (9) and an independent oil outlet control valve (10); the plug cavity of the side cylinder (3) is also respectively connected with the rod cavity of the door cover cylinder (1) and the rod cavity of the main cylinder (2) through an oil return control valve (11).

2. The hydraulic system with the oil cylinder returning quickly as claimed in claim 1, wherein: the hydraulic system with the oil cylinder returning quickly further comprises a door locking cylinder (4) connected with an oil pump (5) and an oil tank (6) through a pilot control valve (12).

3. The hydraulic system with the oil cylinder returning quickly as claimed in claim 1, wherein: the oil return control valve (11) comprises a directional cartridge valve (13) and an electromagnetic directional valve (14).

4. The hydraulic system with the oil cylinder returning quickly as claimed in claim 1, wherein: the oil inlet control valve (9) comprises a directional cartridge valve (13) and an electromagnetic directional valve (14).

5. The hydraulic system with the oil cylinder returning quickly as claimed in claim 1, wherein: the oil outlet control valve (10) comprises a pressure type cartridge valve (15), an overflow valve (16) and an electromagnetic directional valve (14).

6. The hydraulic system with the oil cylinder returning quickly as claimed in claim 1, wherein: and a cartridge valve (17), an overflow valve (16) and an electromagnetic directional valve (14) are arranged on an output pipeline of the oil pump (5).