CN212499150U

CN212499150U - Hydraulic oil supply system of scrap steel packing machine and scrap steel packing machine

Info

Publication number: CN212499150U
Application number: CN202020461944.XU
Authority: CN
Inventors: 费望龙; 龚佳兴; 沈湘洪
Original assignee: Changsha Zhongjin Intelligent Equipment Co ltd
Current assignee: Changsha Zhongjin Intelligent Equipment Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2021-02-09
Anticipated expiration: 2030-04-02

Abstract

The utility model provides a hydraulic pressure oil feeding system and steel scrap baling press of steel scrap baling press relates to steel scrap baling equipment technical field, and wherein, this steel scrap baling press's hydraulic pressure oil feeding system includes: the oil supply system comprises a first oil source, a second oil source, a first oil supply port and a second oil supply port, wherein the first oil source and the second oil source are used for supplying oil to a plurality of oil cylinders; the first oil supply port and the second oil supply port can supply oil to different oil cylinders respectively and independently, and the first oil supply port and the second oil supply port can be switched between connection and disconnection. In the scheme, the first oil source and the second oil source can respectively and independently drive each oil cylinder of the scrap steel packaging machine to act, so that the synchronous parallel action of each oil cylinder can be realized, and higher total execution efficiency can be obtained.

Description

Hydraulic oil supply system of scrap steel packing machine and scrap steel packing machine

Technical Field

The application relates to the technical field of scrap steel packaging equipment, in particular to a hydraulic oil supply system of a scrap steel packaging machine and the scrap steel packaging machine.

Background

And the waste steel is discarded or damaged in production and life engineering and is used as recycled waste steel. The packing and briquetting process includes pressing loose material into rectangular packing block for easy transportation and smelting. The scrap baler is a basic apparatus for scrap recycling, which is used to compress loose scrap.

A hydraulically driven scrap baler has a plurality of hydraulic cylinders for pushing a ram from a plurality of directions to compress the scrap. Chinese patent CN2112453732.8 discloses a scrap steel packer, which comprises a main frame, a feeding box, a first push head, a second push head, a third push head, a first oil cylinder, a second oil cylinder, a third oil cylinder, an upper shear blade, a lower shear blade, a cover plate and a driving oil cylinder, wherein a packing chamber is arranged in the main frame, the feeding box is communicated with the packing chamber, the first oil cylinder, the second oil cylinder and the third oil cylinder are respectively connected with the first push head, the second push head and the third push head are respectively arranged on a top plate and a front side plate of the main frame, the first push head is arranged on a right side plate of the feeding box, the patent document relates to the first oil cylinder, the second oil cylinder and the third oil cylinder, which are arranged in different directions and can compress scrap steel from three directions. Chinese patent cn2161774645.x discloses a scrap steel baling press, and it includes the compression workbin, the front end of compression workbin is provided with the qianmen, the top of compression workbin is provided with the door closure, be provided with inward tapered end jar on the tapered end jar support frame of the compression workbin anterior segment left and right sides, the flexible end of tapered end jar is connected with the tapered end, be provided with forward one-level hydro-cylinder on the one-level hydro-cylinder support frame of compression workbin rear end, the flexible end of one-level hydro-cylinder is connected with the one-level pressure head, compression workbin front end one side is provided with inward second grade hydro-cylinder, and the flexible end of second grade hydro-cylinder is connected with the second grade pressure head, and this patent literature relates to there is.

Hydraulically driven steel scrap baling press has a plurality of pneumatic cylinders to be used for compressing the steel scrap from a plurality of directions, prior art all exports same hydro-cylinder simultaneously after the flow confluence of each pump, and pneumatic cylinder on the different positions adopts same confluence total oil source to carry out the fuel feeding, and the pneumatic cylinder on each position moves in proper order, and the action is asynchronous, and it is longer to lead to the required time like this, and efficiency is not high.

SUMMERY OF THE UTILITY MODEL

The technical problem that this application will solve lies in, to prior art's the aforesaid not enough, provides a hydraulic pressure oil feeding system and steel scrap baling press of steel scrap baling press, can improve the work efficiency of steel scrap baling press.

This steel scrap baling press's hydraulic pressure oil feeding system includes: the oil supply system comprises a first oil source, a second oil source, a first oil supply port and a second oil supply port, wherein the first oil source and the second oil source are used for supplying oil to a plurality of oil cylinders; the first oil supply port and the second oil supply port can supply oil to different oil cylinders respectively and independently, and the first oil supply port and the second oil supply port can be switched between connection and disconnection.

Furthermore, a switch unit for controlling the on-off of the oil path is arranged on the oil path connected between the first oil supply port and the second oil supply port.

Further, the switch unit is specifically a plug-in type control valve group.

Further, a first check valve is arranged between the first oil source and the first oil supply port, wherein the first oil source is connected to an oil inlet of the first check valve; and a second one-way valve is arranged between the second oil source and the second oil supply port, wherein the second oil source is connected to an oil inlet of the second one-way valve.

Further, the first one-way valve and the second one-way valve are cartridge valves.

Further, this steel scrap baling press's hydraulic pressure oil feeding system still includes: a first unloading oil way and a second unloading oil way; the first oil source is connected to the first unloading oil way; a first unloading valve is arranged on the first unloading oil way; the second oil source is connected to the second unloading oil way; and a second unloading valve is arranged on the second unloading oil path.

Furthermore, the first unloading valve and the second unloading valve are cartridge type unloading valves.

Further, the first oil source adopts a low-pressure pump; the second oil source is a high pressure pump.

On the other hand, this application has still provided a steel scrap baling press, this steel scrap baling press has the hydraulic pressure oil feeding system of any one steel scrap baling press above.

In the above scheme, the first oil supply port and the second oil supply port can respectively and independently supply oil to the plurality of oil cylinders, so that synchronous parallel actions of the oil cylinders can be realized, and higher total execution efficiency can be obtained. In addition, the first oil supply port and the second oil supply port can be disconnected, so that the first oil source and the second oil source are shunted to each oil cylinder to supply oil so as to reduce the flow of a single oil cylinder, the linear speed of the single oil cylinder is not too high, and the specification of the control valve group is not too large.

Drawings

FIG. 1 is a schematic structural view of a scrap baler in an embodiment of the present application.

FIG. 2 is a schematic structural view of a hydraulic oil supply system of the steel scrap baler according to the embodiment of the present application.

Detailed Description

The following are specific embodiments of the present application and are further described with reference to the drawings, but the present application is not limited to these embodiments. In the following description, specific details such as specific configurations and components are provided only to help the embodiments of the present application be fully understood. Accordingly, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.

In addition, the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

Referring to fig. 1 and 2, the hydraulic oil supply system of the scrap baler includes: a first oil source 1 and a second oil source 2 for supplying oil to a plurality of cylinders, a first oil supply port p1 connected to the first oil source 1, a second oil supply port p2 connected to the second oil source 2; the first oil supply port p1 and the second oil supply port p2 can supply oil to different cylinders independently, and the first oil supply port p1 and the second oil supply port p2 can be switched between connection and disconnection.

It should be noted that the scrap steel baling press has hydraulic cylinders in multiple directions, and the hydraulic cylinders in each direction are asynchronous in action, and the prior art adopts a plurality of oil sources to intensively merge, and then drives the oil cylinders in each direction to sequentially act in sequence. In the embodiment of the application, the first oil supply port p1 and the second oil supply port p2 respectively and independently supply oil to each oil cylinder, so that synchronous parallel actions of the oil cylinders can be realized, and higher total execution efficiency can be obtained.

In addition, when the first oil supply port p1 and the second oil supply port p2 are disconnected, the first oil source 1 and the second oil source 2 are enabled to supply oil to each oil cylinder in a shunting manner, so that the flow rate of a single oil cylinder is reduced, the linear velocity of the single oil cylinder is not too high, and the specification of the control valve group is not too large. When the first oil supply port p1 and the second oil supply port p2 are communicated, the output flow of the pump set can be reasonably distributed, and the flow can be simultaneously and parallelly distributed to a plurality of oil cylinders.

Specifically, the scrap steel packer is provided with hydraulic cylinders in multiple directions for compressing scrap steel from multiple different directions and processing the scrap steel into a rectangular parallelepiped shape; the scrap steel packer is provided with pressure heads driven by hydraulic cylinders to stretch in different directions, and door covers driven by the hydraulic cylinders to open and close can be arranged in some directions. Referring to fig. 1, the scrap baler may specifically include a hydraulic cylinder S1 and a hydraulic cylinder S2 acting on the ram, and a door cover cylinder S3 acting on the door cover; the first oil supply port p1 and the second oil supply port p2 may be connected to different cylinders as needed, and in the present embodiment, the first oil supply port p1 may supply oil to the hydraulic cylinder S1, and the second oil supply port p2 may supply oil to the hydraulic cylinder S2 and the door cover cylinder S3.

Further, a switch unit 3 for controlling on/off of an oil passage is provided in a connection oil passage between the first oil supply port p1 and the second oil supply port p 2. The switch unit 3 may be used to control communication or non-communication between the first oil supply port p1 and the second oil supply port p 2. Specifically, when the first oil supply port p1 and the second oil supply port p2 are communicated with each other, the first oil source 1 and the second oil source 2 are merged to supply oil to each cylinder; when the first oil supply port p1 and the second oil supply port p2 are not communicated with each other, the first oil source 1 and the second oil source 2 respectively and independently supply oil to different cylinders.

In some embodiments, the switching unit 3 is embodied as a cartridge-type control valve block. The specific structure and principle of the cover plate cartridge valve used as the switch unit are known technical content and will not be described in detail herein.

Further, a first check valve 4 is arranged between the first oil source 1 and the first oil supply port p1, wherein the first oil source 1 is connected to an oil inlet of the first check valve 4; a second check valve 5 is provided between the second oil source 2 and the second oil supply port p2, wherein the second oil source 2 is connected to an oil inlet of the second check valve 5.

Further, the first check valve 4 and the second check valve 5 are cartridge valves.

In some embodiments, the hydraulic oil supply system of the scrap baler further comprises: a first unloading oil path 6 and a second unloading oil path 7; the first oil source 1 is connected to the first unloading oil path 6; a first unloading valve 61 is arranged on the first unloading oil way 6; the second oil source 2 is connected to the second unloading oil path 7; the second unloading oil passage 7 is provided with a second unloading valve 71. The unloading valve is a valve which can unload the hydraulic pump under certain conditions; the first unloading oil path 6 is used for unloading the first oil source 1, and the second unloading oil path 7 is used for unloading the second oil source 2.

In some embodiments, the first unloading valve 61 and the second unloading valve 71 are both cartridge unloading valves. The principles of cartridge unloading valves are well known in the art and will not be described in greater detail herein.

In some embodiments, the first oil source 1 employs a low pressure pump; the second oil source 2 employs a high-pressure pump. Under the working condition of small load, the downstream oil way of the second oil supply port p2 is closed, the low-pressure pump and the high-pressure pump output flow simultaneously, and the flow is converged and then output through the first oil supply port p1 to drive the oil cylinder to act at high speed. Under the working condition of heavy load, the first unloading oil way 6 starts unloading, and the high-pressure pump independently drives the oil cylinder to work, so that the system is ensured not to exceed power. The first check valve 4 and the second check valve 5 can prevent the high-pressure oil from flowing backwards. A pressure sensor is provided at the oil supply port p1 for detecting the oil pressure for determining whether it is in the small load condition or the large load condition.

It should be noted that, when the door cover is closed and opened, the side push head moves backwards and forwards with a small load, the main push head moves backwards and the like under a small load working condition, the low-pressure pump and the high-pressure pump are converged to output a large flow, the power is fully absorbed, and the moving speed of the oil cylinder under a light load is improved. Therefore, higher movement speed can be obtained under the working condition of small load, and the installed power of the motor is not additionally increased or is only slightly increased.

The embodiment of the application also provides a steel scrap packer which is provided with the hydraulic oil supply system of any steel scrap packer shown in the embodiment. The relevant contents can be referred to the above description of the hydraulic oil supply system of the scrap steel packer, and the details are not repeated here.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The specific embodiments described herein are merely illustrative of the spirit of the application. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the present application as defined by the appended claims.

Claims

1. The utility model provides a hydraulic pressure oil feeding system of steel scrap baling press which characterized in that, this steel scrap baling press's hydraulic pressure oil feeding system includes: a first oil source (1) and a second oil source (2) for supplying oil to a plurality of oil cylinders of the scrap steel baler, a first oil supply port (p1) connected to the first oil source (1), and a second oil supply port (p2) connected to the second oil source (2); the first oil supply port (p1) and the second oil supply port (p2) can respectively and independently supply oil to different oil cylinders, and the first oil supply port (p1) and the second oil supply port (p2) can be switched between connection and disconnection.

2. The hydraulic oil supply system of a scrap baler according to claim 1, wherein a switch unit (3) for controlling the on/off of the oil path is provided on the oil path connecting between the first oil supply port (p1) and the second oil supply port (p 2).

3. The hydraulic oil supply system of a scrap baler according to claim 2, characterized in that the switch unit (3) is embodied as a cartridge-type valve block.

4. The hydraulic oil supply system of a scrap baler according to claim 2, characterised in that a first check valve (4) is arranged between the first oil source (1) and the first oil supply port (p1), wherein the first oil source (1) is connected to an oil inlet of the first check valve (4); a second one-way valve (5) is arranged between the second oil source (2) and the second oil supply port (p2), wherein the second oil source (2) is connected to an oil inlet of the second one-way valve (5).

5. The hydraulic oil supply system of the scrap baler according to claim 4, wherein the first check valve (4) and the second check valve (5) are cartridge valves.

6. The hydraulic oil supply system of a scrap baler according to claim 1, further comprising: a first unloading oil way (6) and a second unloading oil way (7); the first oil source (1) is connected to the first unloading oil way (6); a first unloading valve (61) is arranged on the first unloading oil way (6); the second oil source (2) is connected to the second unloading oil way (7); the second unloading oil way (7) is provided with a second unloading valve (71).

7. The hydraulic oil supply system of the scrap baler according to claim 6, wherein the first unloading valve (61) and the second unloading valve (71) are cartridge unloading valves.

8. The hydraulic oil supply system of a scrap baler according to claim 6, characterized in that the first oil source (1) is a low-pressure pump; the second oil source (2) adopts a high-pressure pump.

9. A scrap baler characterised in that it has a hydraulic oil supply system for a scrap baler according to any one of claims 1 to 8.