Lubricating mechanism of large-diameter line bundling machine

By introducing an automated lubrication system into the large-diameter baler, precise lubrication of the guide wheel and the surface of the binding wire is achieved by utilizing air pressure difference and hydraulic oil tank, solving the friction problem, extending the service life of baler parts and simplifying the operation process.

CN223483967UActive Publication Date: 2025-10-28RECAST METALLURGY ENG(WUXI) LTD
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Patent Information

Application Number
CN202423174574.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-10-28
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

During the wire feeding and drawing process of large-diameter baling machines, the friction between the baling wire and the baling machine parts is severe, which reduces the service life. In addition, the manual application of grease is uneven and tedious, and there are problems such as application errors and cleaning difficulties.

Method used

A lubrication mechanism for a large-diameter wire baler was designed. It adopts a programmable logic controller and control system, combined with air pressure difference and hydraulic oil tank, to precisely spray lubricating oil through oil nozzles. It uses electromagnetic air valves and liquid level transmitters to achieve automated lubrication, ensuring that the lubricating oil evenly covers the wire guide wheel and the surface of the binding wire.

Benefits of technology

It achieves uniform spraying of lubricating oil, reduces the coefficient of friction, extends the service life of baler parts, and solves the problems of uneven application of grease and difficult cleaning by manual application, thus simplifying the lubrication operation.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to a lubricating mechanism of a large-diameter line bundling machine, a bundling machine is provided with a corresponding programmable logic controller, the lubricating mechanism is provided with a corresponding control system, the lubricating mechanism further comprises an air source, a hydraulic oil tank, an oil nozzle, a spring type safety valve, an oil suction pipe and a liquid level indicator, and lubricating oil is stored in the hydraulic oil tank. The utility model has the beneficial effects that the air quantity can be adjusted at any time and the inflow of an air source can be cut off; the pressure of the air source can be adjusted; the lubricating oil can be pressed out from the oil suction pipe immersed in the lubricating oil through the air pressure difference; the quantity of oil extruded by the oil suction pipe can be adjusted; the pressure can be released in time when the pressure in the box body is too large; the ratio of gas to oil can be adjusted as required; the friction coefficient between the wire blocking wheel of the bundling machine and the surface of a bundling wire can be reduced, and the service life of each part is prolonged.
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Description

Technical Field

[0001] This utility model belongs to the field of lubrication technology for baling machines with threaded tracks, and particularly relates to a lubrication mechanism for a large-diameter baling machine with threaded tracks. Background Art

[0002] When feeding and drawing wire in a large-diameter baler, the large diameter of the baler results in a long friction time between the wire and the various parts of the baler's baler, which greatly reduces the service life of the baler's baler parts.

[0003] In the prior art, in order to extend the service life of the guide roller, grease is usually applied manually to the surface of the guide roller. However, manual operation often results in uneven application of grease, and it requires constant monitoring to see if the grease is used up. The process of manually applying grease to the surface of the guide roller is cumbersome, and the grease is used up irregularly. In addition, manual application may result in grease dripping onto the surface of the baler, which is difficult to clean. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a lubrication mechanism for a large-diameter baling machine.

[0005] This large-diameter baler lubrication mechanism includes a corresponding programmable logic controller (PLC) for the baler and a corresponding control system for the lubrication mechanism. The lubrication mechanism also includes an air source, a hydraulic oil tank, an oil injector, a spring-loaded safety valve, an oil suction pipe, and a liquid level indicator. The hydraulic oil tank stores lubricating oil. The programmable logic controller (PLC) of the baler is electrically connected to the control system of the lubrication mechanism.

[0006] The hydraulic oil tank is equipped with an openable and closable oil filling hole and an openable and closable oil drain hole; the hydraulic oil tank is equipped with an oil suction pipe, the suction end of which is always submerged below the oil level in the hydraulic oil tank; the suction end of the oil suction pipe is connected to the inlet of multiple oil nozzles through multiple pipelines, and the spray range of the oil nozzles covers the surface of the wire guide wheel of the baler and the surface of the binding wire.

[0007] The hydraulic oil tank is equipped with an air source inlet, which is always located on the inner wall above the oil level in the hydraulic oil tank. The air source is connected to the air source inlet on the hydraulic oil tank through an air passage. The air source is used to generate a pressure difference between the inside and outside of the hydraulic oil tank, so as to use the pressure difference to force the lubricating oil out of the hydraulic oil tank. An air source opening and closing device is provided on the air passage between the air source inlet and the hydraulic oil tank.

[0008] The hydraulic oil tank is equipped with a spring-loaded safety valve, which is used to release pressure when the pressure in the hydraulic oil tank is too high, so as to prevent the hydraulic components from being damaged by excessive pressure.

[0009] The level indicator is located inside the hydraulic oil tank. The bottom of the level indicator is always below the oil level in the hydraulic oil tank. The level indicator is electrically connected to the control system and the programmable logic controller (PLC) of the baler. When the oil level inside the hydraulic oil tank detected by the level indicator is below the set height, the control system issues a warning.

[0010] The control system is used to send control signals to the programmable logic controller (PLC) of the baler;

[0011] The programmable logic controller (PLC) of the baler is used to trigger the control program corresponding to the received control signal and send control commands to the liquid level transmitter;

[0012] A level transmitter is used to detect the oil level in the hydraulic tank according to the control command, and to send the oil level to the control system.

[0013] The control system is used to issue a low oil level warning based on the oil level signal sent by the level transmitter.

[0014] As a preferred option, a pressure regulator is also provided on the air passage between the hydraulic oil tank and the air source inlet to adjust the pressure of the air source entering the hydraulic oil tank.

[0015] As a preferred option:

[0016] The outlet of the pressure regulator is equipped with a pipe connecting to the first end of tee A. A pressure gauge is installed at the second end of tee A. The third end of tee A is connected to the first end of tee B. A pneumatic flow regulating valve is installed at the second end of tee B. The third end of tee B is connected to the pneumatic inlet on the hydraulic oil tank via a pipeline. The suction end of the oil suction pipe is also connected to an oil flow regulating valve. The outlet of the pneumatic flow regulating valve and the outlet of the oil flow regulating valve are respectively connected to the first and second ends of tee C. Tee C combines the output pneumatic flow regulating valve and the output lubricating oil of the oil flow regulating valve.

[0017] As a preferred option:

[0018] It also includes an integrated valve block and solenoid valves. The integrated valve block is mounted on the hydraulic oil tank. Several solenoid valves are mounted on the integrated valve block. Multiple solenoid valves are located on the connecting pipe between the suction end of the oil suction pipe and multiple oil nozzles. Several solenoid valves are electrically connected to the integrated valve block. The integrated valve block is also electrically connected to the control system of the lubrication mechanism and the programmable logic controller of the baler.

[0019] The control system is used to send control signals to the programmable logic controller (PLC) of the baler; the PLC of the baler is used to trigger the control program corresponding to the received control signals and send control commands to several solenoid valves; the several solenoid valves are used to open or close the corresponding solenoid valves according to the received control commands, so as to accurately and effectively lubricate the lubrication points on the surface of the baler's guide wheel and the surface of the binding wire.

[0020] As a preferred embodiment, the integrated valve block is mounted on the mounting plate of the hydraulic oil tank, and the pressure regulator is fixed to the mounting plate of the hydraulic oil tank by bolts.

[0021] As a preferred option, the air supply opening and closing device is a ball valve, which can cut off the air supply to the hydraulic oil tank at any time.

[0022] As a preferred option:

[0023] The hydraulic oil tank is equipped with an oil filling hole plug and an oil drain plug; the hydraulic oil tank is equipped with an oil filling hole plug for closing the oil filling hole, and the oil filling hole plug is detachably connected to the oil filling hole on the hydraulic oil tank; the hydraulic oil tank is equipped with an oil drain plug for closing the oil drain hole, and the oil drain plug is detachably connected to the oil drain hole on the hydraulic oil tank.

[0024] Preferably, the programmable logic controller of the baler and the control system of the lubrication mechanism are both electrically connected to the host computer.

[0025] The beneficial effects of this utility model are:

[0026] This invention features: a valve at the gas source inlet for adjusting the gas flow and cutting off gas supply; a pressure regulator to adjust the gas pressure; a pressure gauge for accurate pressure adjustment; a hydraulic oil tank to force lubricating oil out through a suction pipe submerged in the lubricating oil via the air pressure difference; an oil volume regulating valve to adjust the amount of oil pumped out through the suction pipe; and a spring-loaded safety valve on the hydraulic oil tank to release pressure when the internal pressure is too high. In summary, this invention allows for the on-demand mixing of gas and oil ratios.

[0027] The lubrication mechanism for a large-diameter baler designed in this invention can reduce the friction coefficient between the baler's guide wheel and the binding wire surface, extending the service life of each component. Furthermore, this lubrication mechanism also reduces the friction coefficient between the binding wire and the main stock during wire drawing. During baling, it provides lubrication to the guide wheel and the surface of the baling wire with a uniform spray of oil, solving the problem of loose baling caused by the large contact area between the binding wire and the main stock in large-diameter balers. In addition, the lubrication mechanism is easy and simple to clean. Attached Figure Description

[0028] Figure 1 A schematic diagram of the installation of the lubrication mechanism for a large-diameter baler;

[0029] Figure 2 This is an internal sectional view of the hydraulic oil tank;

[0030] Figure 3 A top view of the hydraulic oil tank, solenoid valve, and fuel injector;

[0031] Figure 4 A schematic diagram showing the connection of the lubrication mechanism components of a large-diameter baler.

[0032] Figure 5 This is the circuit schematic diagram of this utility model.

[0033] Explanation of reference numerals in the attached diagram: 1. Hydraulic oil tank; 2. Ball valve; 3. Pressure regulator; 4.1. Tee A; 4.2. Tee B; 4.3. Tee C; 5. Pressure gauge; 6. Air volume regulating valve; 7. Oil volume regulating valve; 8. Solenoid valve; 9. Injector nozzle; 10. Spring-loaded safety valve; 11. Oil filling hole plug; 12. Oil drain plug; 13. Suction pipe; 14. Integrated valve block; 15. Liquid level transmitter; 16. Host computer; 17. Control system. DETAILED DESCRIPTION

[0034] The present invention will be further described below with reference to embodiments. The description of the embodiments below is only for the purpose of helping to understand the present invention. It should be noted that, for those skilled in the art, several modifications can be made to the present invention without departing from the principle of the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

[0035] As one example, such as Figures 1 to 5 As shown, a lubrication mechanism for a large-diameter baler is disclosed. The baler is equipped with a corresponding programmable logic controller (PLC), and the lubrication mechanism is equipped with a corresponding control system 17. The lubrication mechanism also includes: an air source, a hydraulic oil tank 1, an oil injector 9, a spring-loaded safety valve 10, an oil suction pipe 13, and a liquid level indicator 15. The hydraulic oil tank 1 stores lubricating oil. The PLC of the baler is electrically connected to the control system 17 of the lubrication mechanism. A pressure regulator 3 is also provided on the air passage between the hydraulic oil tank 1 and the air source inlet to regulate the pressure of the air source entering the hydraulic oil tank. An integrated valve block 14 and solenoid valves 8 are also provided. The integrated valve block 14 is mounted on the hydraulic oil tank 1. Several solenoid valves 8 are mounted on the integrated valve block 14. The multiple solenoid valves 8 are located on the connecting pipe between the suction end of the oil suction pipe 13 and the multiple oil injectors 9. The integrated valve block 14 is mounted on the mounting plate of the hydraulic oil tank 1, and the pressure regulator 3 is fixed to the mounting plate of the hydraulic oil tank 1 by bolts.

[0036] The hydraulic oil tank 1 is provided with an openable and closable oil filling hole and an openable and closable oil drain hole; the hydraulic oil tank 1 is provided with an oil filling hole plug 11 and an oil drain plug 12; the hydraulic oil tank 1 is provided with an oil filling hole plug 11 for closing the oil filling hole, and the oil filling hole plug 11 is detachably connected to the oil filling hole on the hydraulic oil tank 1; the hydraulic oil tank 1 is provided with an oil suction pipe 13, and the suction end of the oil suction pipe 13 is always submerged below the oil surface in the hydraulic oil tank 1; the suction end of the oil suction pipe 13 is connected to the inlet of multiple oil spray nozzles 9 through multiple pipelines, and the spray range of the oil spray nozzles 9 covers the surface of the wire guide wheel of the baler and the surface of the binding wire.

[0037] The outlet of pressure regulator 3 is equipped with a pipe for connecting and installing the first end of tee A4.1. The second end of tee A4.1 is equipped with a pressure gauge 5. The third end of tee A4.1 is connected to the first end of tee B4.2. The second end of tee B4.2 is equipped with an air volume regulating valve 6. The third end of tee B4.2 is connected to the air source inlet on hydraulic oil tank 1 through a pipeline. The suction end of suction pipe 13 is also connected to oil volume regulating valve 7. The outlet of air volume regulating valve 6 and the outlet of oil volume regulating valve 7 are respectively connected to the first and second ends of tee C4.3. Tee C4.3 combines the output air volume of air volume regulating valve 6 and the output lubricating oil of oil volume regulating valve 7.

[0038] The hydraulic oil tank 1 is provided with an air source inlet. The air source inlet is always located on the inner wall above the oil level in the hydraulic oil tank. The air source is connected to the air source inlet on the hydraulic oil tank 1 through an air passage. The air source is used to generate an air pressure difference inside and outside the hydraulic oil tank, so as to use the air pressure difference to push the lubricating oil out of the hydraulic oil tank. A ball valve 2 is provided on the air passage between the air source inlet and the hydraulic oil tank 1.

[0039] A spring-loaded safety valve 10 is installed on the hydraulic oil tank 1. The spring-loaded safety valve is used to release pressure when the pressure in the hydraulic oil tank is too high, so as to prevent the hydraulic components from being damaged due to excessive pressure.

[0040] Several solenoid valves 8 are electrically connected to an integrated valve block 14, which is also electrically connected to a control system 17 of the lubrication mechanism and a programmable logic controller (PLC) of the baler. The control system 17 is used to send control signals to the PLC of the baler. The PLC of the baler is used to trigger the control program corresponding to the received control signals and send control commands to the several solenoid valves 8. The several solenoid valves 8 are used to open or close the corresponding solenoid valves 8 according to the received control commands, so as to accurately and effectively lubricate the lubrication points on the surface of the baler's guide wheel and the surface of the binding wire.

[0041] A level indicator 15 is installed inside the hydraulic oil tank 1, with its bottom always below the oil level in the tank. The level indicator 15 is electrically connected to the control system 17 and the programmable logic controller (PLC) of the baler. When the oil level detected by the level indicator falls below a set height, the control system issues a warning. The control system 17 sends control signals to the PLC of the baler. The PLC triggers the control program corresponding to the received control signal and sends control commands to the level indicator 15. The level indicator 15 detects the oil level in the hydraulic oil tank 1 according to the control commands and sends the oil level information to the control system 17. The control system 17 issues a low-level warning based on the oil level information sent by the level indicator 15.

[0042] The programmable logic controller (PLC) of the baler and the control system 17 of the lubrication mechanism are both electrically connected to the host computer 16, and the host computer can control the PLC and the control system 17 of the lubrication mechanism of the baler.

[0043] In operation, a lubrication mechanism for a large-diameter baler includes several solenoid valves 8 that open or close according to the opening sequence, opening time, and duration set in the received control commands, to precisely and effectively lubricate the lubrication points on the surface of the baler's guide wheel and the baling wire surface. When the oil level in the hydraulic tank detected by the level indicator falls below a set height, the control system issues a warning, which can be displayed on the baler's operation panel, and the baler's operation is paused.

Claims

1. A lubrication mechanism for a large-diameter baling machine, wherein the baling machine is equipped with a corresponding programmable logic controller, and the lubrication mechanism is equipped with a corresponding control system (17), characterized in that, The lubrication mechanism also includes: an air source, a hydraulic oil tank (1), an oil injector (9), a spring-loaded safety valve (10), an oil suction pipe (13), and a level indicator (15). The hydraulic oil tank (1) stores lubricating oil. The programmable logic controller of the baler is electrically connected to the control system (17) of the lubrication mechanism. The hydraulic oil tank (1) is provided with an openable and closable oil filling hole and an openable and closable oil drain hole; the hydraulic oil tank (1) is provided with an oil suction pipe (13), the suction end of the oil suction pipe (13) is always submerged below the oil surface in the hydraulic oil tank (1); the suction end of the oil suction pipe (13) is connected to the inlet of multiple oil nozzles (9) through multiple pipelines, and the oil spraying range of the oil nozzles (9) covers the surface of the wire guide wheel of the baler and the surface of the binding wire; The hydraulic oil tank (1) is provided with an air source inlet. The air source inlet is always located on the inner wall above the oil surface of the hydraulic oil tank. The air source is connected to the air source inlet on the hydraulic oil tank (1) through an air passage. An air source opening and closing device is provided on the air passage between the air source inlet and the hydraulic oil tank (1). A spring-loaded safety valve (10) is installed on the hydraulic oil tank (1); The level transmitter (15) is located inside the hydraulic oil tank (1). The bottom of the level transmitter (15) is always below the oil level in the hydraulic oil tank (1). The level transmitter (15) is electrically connected to the control system (17) and the programmable logic controller of the baler. The control system (17) is used to send control signals to the programmable logic controller of the baler; The programmable logic controller of the baler is used to trigger the control program corresponding to the received control signal and send control instructions to the liquid level transmitter (15); A level transmitter (15) is used to detect the oil level in the hydraulic tank (1) according to the control command and to send the oil level to the control system (17). The control system (17) is used to issue a low level warning based on the oil level signal sent by the level transmitter (15).

2. The lubrication mechanism of the large-diameter baling machine according to claim 1, characterized in that: A pressure regulator (3) is also provided on the air passage between the hydraulic oil tank (1) and the air source inlet.

3. The lubrication mechanism of the large-diameter baling machine according to claim 2, characterized in that: The outlet of the pressure regulator (3) is equipped with a pipe connected to the first end of the tee A (4.1). The second end of the tee A (4.1) is equipped with a pressure gauge (5). The third end of the tee A (4.1) is connected to the first end of the tee B (4.2). The second end of the tee B (4.2) is equipped with a gas flow regulating valve (6). The third end of the tee B (4.2) is connected to the air source inlet on the hydraulic oil tank (1) through a pipeline. The suction end of the suction pipe (13) is also connected to an oil flow regulating valve (7). The outlet of the gas flow regulating valve (6) and the outlet of the oil flow regulating valve (7) are respectively connected to the first end and the second end of the tee C (4.3). The tee C (4.3) combines the output gas flow of the gas flow regulating valve (6) and the output lubricating oil of the oil flow regulating valve (7).

4. The lubrication mechanism of the large-diameter baling machine according to claim 1, characterized in that: It is also equipped with an integrated valve block (14) and a solenoid valve (8). The integrated valve block (14) is installed on the hydraulic oil tank (1). Several solenoid valves (8) are installed on the integrated valve block (14). Several solenoid valves (8) are located on the connecting pipe between the suction end of the oil suction pipe (13) and several oil nozzles (9). Several solenoid valves (8) are electrically connected to the integrated valve block (14). The integrated valve block (14) is also electrically connected to the control system (17) of the lubrication mechanism and the programmable logic controller of the baler. The control system (17) is used to send control signals to the programmable logic controller of the baler; the programmable logic controller of the baler is used to trigger the control program corresponding to the received control signal and send control instructions to a number of solenoid valves (8); the number of solenoid valves (8) are used to open or close the corresponding solenoid valves (8) according to the received control instructions.

5. The lubrication mechanism of the large-diameter baling machine according to claim 2 or 4, characterized in that: The integrated valve block (14) is mounted on the mounting plate of the hydraulic oil tank (1), and the pressure regulator (3) is fixed on the mounting plate of the hydraulic oil tank (1).

6. The lubrication mechanism of the large-diameter baling machine according to claim 1, characterized in that: The gas source opening and closing device is a ball valve (2).

7. The lubrication mechanism of the large-diameter baling machine according to claim 1, characterized in that: The hydraulic oil tank (1) is provided with an oil filling hole plug (11) and an oil drain plug (12); the hydraulic oil tank (1) is provided with an oil filling hole plug (11) for closing the oil filling hole, and the oil filling hole plug (11) is detachably connected to the oil filling hole on the hydraulic oil tank (1); the hydraulic oil tank (1) is provided with an oil drain plug (12) for closing the oil drain hole, and the oil drain plug (12) is detachably connected to the oil drain hole on the hydraulic oil tank (1).

8. The lubrication mechanism of the large-diameter baling machine according to claim 1, characterized in that: The programmable logic controller (PLC) of the baler and the control system (17) of the lubrication mechanism are both electrically connected to the host computer (16).