An oil seal mounting inner hole spraying lubricating oil device

Abstract

This utility model discloses a device for spraying lubricating oil into the inner hole of an oil seal installation, including an oil nozzle for spraying lubricating oil into the inner hole of the oil seal installation, a metering valve for controlling the amount of oil sprayed by the oil nozzle, a main frame for providing installation support for various components, a guide rod cylinder for driving the lifting and lowering movement of the oil nozzle, a rodless cylinder for driving the front and back movement of the oil nozzle and the guide rod cylinder, and a linear guide rail and slider for limiting the linear movement of the rodless cylinder. This utility model can replace manual spraying of lubricating oil into the inner hole of the oil seal installation, and makes the lubricating oil sprayed evenly and accurately, reducing waste and effectively improving the quality of oil seal installation; it is suitable for the lubrication needs of various product specifications.

Description

Technical Field

[0001] This utility model relates to the field of mechanical manufacturing technology, specifically to a device for spraying lubricating oil into the inner hole of an oil seal installation. Background Technology

[0002] Oil seals, as critical sealing components, are widely used in the rotating and sliding parts of various equipment. Their installation quality directly affects the equipment's sealing performance and service life. During installation, oil seals need to be pressed into the inner hole of the mounting hole. Because friction exists between the oil seal and the inner wall of the mounting hole, direct pressing can easily lead to deformation and damage of the oil seal, significantly reducing the sealing effect and even causing oil leakage, increasing subsequent maintenance costs and downtime risks. Therefore, lubricating the inner wall of the oil seal mounting hole is a necessary step to ensure successful pressing and improve installation quality.

[0003] Traditional lubrication operations rely heavily on manual labor, with workers using handheld sprayers to apply lubricant to the inner bore of the oil seal based on experience. However, this method has several drawbacks: First, uniform spraying is difficult to guarantee. Manual operation can easily result in areas with too much or too little lubricant, as well as discontinuous spraying areas, affecting the uniformity of force during oil seal pressing and leading to decreased sealing performance after installation, or even problems such as uneven wear and premature failure. Second, the amount of lubricant used cannot be precisely controlled. Excessive spraying wastes lubricant, increases production costs, and may also pollute the surrounding environment and equipment components, while insufficient spraying fails to meet lubrication needs, exacerbating frictional damage between the oil seal and the mounting hole. Third, the work efficiency is low. Manual spraying requires frequent adjustments to posture and alignment with the inner bore, which is difficult to keep up with the production pace in mass production scenarios, slowing down the overall assembly progress. Fourth, the risk of human error is high. For example, misaligning the spray nozzle with the center of the inner bore or improper timing of spraying can lead to poor lubrication, affecting product quality consistency and increasing the difficulty of quality control.

[0004] Therefore, developing an automated, high-precision, stable and controllable oil seal installation inner hole lubricating oil spraying equipment to solve many pain points of manual operation, ensure oil seal installation quality and production efficiency, and promote the upgrading and optimization of assembly processes in related industries is of great significance to this field. Utility Model Content

[0005] To achieve the above objectives, this utility model provides a device for spraying lubricating oil into the inner hole of an oil seal installation.

[0006] The technical solution adopted in this utility model is:

[0007] An oil seal mounting inner hole lubricating oil spraying device includes: an oil nozzle for spraying lubricating oil into the oil seal mounting inner hole, a metering valve for controlling the amount of oil sprayed by the oil nozzle, a main frame for providing mounting support for various components, a guide rod cylinder for driving the oil nozzle to move up and down, a rodless cylinder for driving the oil nozzle and the guide rod cylinder to move back and forth, and a linear guide rail and a slider for limiting the linear movement of the rodless cylinder.

[0008] The rodless cylinder has an adjustable stroke to adapt to the operational needs of workpieces of different sizes, and it features fast motion response and high positioning accuracy. The vertical guide rod cylinder enhances operational stability and guidance through the guide rod, ensuring precise insertion of the fuel injector into the center of the oil seal mounting bore. The combination of the metering valve and fuel injector allows for uniform and continuous spraying of lubricating oil into the oil seal mounting bore, guaranteeing the quality of oil seal installation.

[0009] Furthermore, the main frame is in the shape of a rectangular plate. A linear guide rail is fixedly installed on one side of the rectangular plate along the length of the main frame. A rodless cylinder is installed on the side opposite to the linear guide rail. The external slider of the cylinder is connected to the slider through a connecting plate. A guide rod cylinder is fixedly installed on the upper side of the connecting plate. The cylinder piston rod extends vertically downward and connects to a horizontal fixed plate. The fuel injector outlet faces downward and is fixedly installed on the lower side of the horizontal fixed plate. A metering valve is fixedly installed on the upper side of the horizontal fixed plate. The inlet and outlet of the metering valve are connected to the air source control box through air pipes. The oil inlet of the metering valve is connected to the fuel supply equipment through an oil pipe. The oil outlet of the metering valve is connected to the fuel injector through an oil pipe.

[0010] This device has a simple structure and is safe and reliable in operation.

[0011] Furthermore, the fuel injector is provided with an oil reservoir, which has an oil inlet and an oil outlet. The oil inlet of the oil reservoir is connected to a metering valve through an oil pipe, and the oil outlet of the oil reservoir is connected to a fuel injection pipe. The end of the fuel injection pipe is closed, and several atomizing spray holes are opened on the side. The fuel injection pipe of the fuel injector is adapted to the inner hole of the oil seal mounting, so that the fuel injection pipe can be inserted into the inner hole of the oil seal mounting.

[0012] The oil reservoir acts as a temporary oil buffer zone, ensuring that the injector can continuously and stably spray lubricating oil. The atomizing nozzle allows lubricating oil to be sprayed out at high speed under pressure, forming a mist-like oil mist, ensuring lubrication effect and reducing waste.

[0013] Furthermore, the nozzle orifice diameter is 0.1–0.3 mm, and the injection pressure is 0.2–0.5 MPa to ensure atomization effect.

[0014] Furthermore, it also includes proximity switches for limiting the extension stroke of the rodless cylinder and the descent stroke of the guide rod cylinder, respectively.

[0015] Furthermore, the proximity switch of the rodless cylinder is interlocked with the guide rod cylinder to trigger the action of the guide rod cylinder after the limit position of the rodless cylinder is detected; the proximity switch of the guide rod cylinder is interlocked with the metering valve to trigger the action of the metering valve and the fuel injector after the limit position of the guide rod cylinder is detected.

[0016] Through the coordinated operation of various components and the signal control of proximity switches, an automated operation process is achieved, from the nozzle approaching the workpiece and inserting into the inner hole to spraying and resetting. This eliminates the need for excessive manual intervention, significantly improving work efficiency, reducing labor costs, and avoiding quality fluctuations caused by manual operation.

[0017] Furthermore, it also includes hydraulic dampers for absorbing the impact forces of the motion of the rodless cylinder and the guide rod cylinder. The application of hydraulic dampers avoids rigid collisions between moving parts, further improving the overall stability and reliability of the device.

[0018] Furthermore, it also includes cable carriers for storing cables, oil pipes, and air pipes, which move synchronously with the moving parts.

[0019] The beneficial effects of this utility model are:

[0020] 1. High degree of automation: Through the coordinated operation of various components, the entire process from the nozzle approaching the workpiece and inserting into the inner hole to spraying and resetting is automated, requiring minimal human intervention, greatly improving work efficiency, reducing labor costs, and avoiding quality fluctuations caused by manual operation.

[0021] 2. Precise and controllable spraying: The precise movement control of the rodless cylinder and the guide rod cylinder ensures that the oil injector is accurately inserted into the center of the inner hole; the metering valve stably controls the amount of oil sprayed, so that the lubricating oil is sprayed evenly and the amount is accurate, which effectively improves the quality of oil seal installation and reduces the risk of oil seal pressing failure and damage caused by poor lubrication.

[0022] 3. Stable and reliable operation: The linear guide rail and slider work together to ensure smooth movement, improve the overall stability and reliability of the device, reduce equipment downtime due to failure, and ensure continuous operation.

[0023] 4. High applicability: The horizontal rodless cylinder stroke, vertical guide rod cylinder stroke, and metering valve parameters can be flexibly adjusted according to the oil seal installation workpieces of different sizes, adapting to the lubrication operation needs of various product specifications, enhancing the equipment's versatility, and reducing the equipment investment costs brought about by product diversification for enterprises. Attached Figure Description

[0024] Figure 1 This is a three-dimensional structural diagram of an oil seal mounting inner hole lubricating oil device according to this application.

[0025] Figure 2 for Figure 1 The front view.

[0026] Figure 3 for Figure 1 Top view. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below in conjunction with the accompanying drawings and preferred embodiments.

[0028] Example 1

[0029] See Figure 1-3 An oil seal mounting inner hole spraying lubricating oil device includes a main frame 1, a rodless cylinder 2, a linear guide rail 3, a guide rod cylinder 4, an oil injector 5, a slider 6, a hydraulic buffer 7, a metering valve 8, a proximity switch 9, and a cable chain 10.

[0030] The main frame 1 provides mounting support for the various components of the device. In this embodiment, it is made of steel plate and is in the shape of a rectangular flat plate. The linear guide rail 3 is installed on the left side of the upper side of the main frame and extends along the length of the main frame. The slider 6 is installed on the linear guide rail 3 and slides in cooperation with the linear guide rail 3.

[0031] The rodless cylinder 2 is installed on the right side of the main frame. The external slider of the cylinder is driven by the internal piston to move back and forth horizontally. A connecting plate is fixedly connected to the external slider of the cylinder. One end of the connecting plate is fixedly connected to the slider 6 and is driven by the rodless cylinder 2 to slide back and forth along the linear guide rail 3.

[0032] The guide rod cylinder 4 is fixedly mounted on the side of the connecting plate, with the cylinder piston rod extending vertically downwards and connecting to a horizontal fixed plate. The fuel injector 5, with its outlet facing downwards, is fixedly mounted on the lower side of the horizontal fixed plate. The metering valve 8 is fixedly mounted on the upper side of the horizontal fixed plate and has an air inlet, an oil inlet, and an oil outlet. Its air inlet and outlet are connected to the air source control box via air pipes, its oil inlet is connected to the fuel supply equipment via oil pipes, and its oil outlet is connected to the fuel injector 5 via oil pipes, used to control the fuel injection quantity of the fuel injector 5.

[0033] The fuel injector 5 has an oil reservoir (not shown in the figure), which has an inlet and an outlet. The inlet of the reservoir is connected to a metering valve 8 via an oil pipe, and the outlet is connected to a fuel injection pipe (not shown in the figure). The end of the fuel injection pipe is closed, and several atomizing nozzles are opened on its side. The fuel injector 5, in conjunction with the metering valve 8, stably outputs atomized lubricating oil. The fuel injection pipe of the fuel injector is adapted to the inner hole of the oil seal mounting, allowing the fuel injection pipe to be inserted into the inner hole of the oil seal mounting. Preferably, the nozzle diameter is 0.1–0.3 mm, and the injection pressure is 0.2–0.5 MPa. The injection pressure is provided by the metering valve and the oil supply equipment.

[0034] The cable chain 10 is mounted above the rodless cylinder 2 and moves synchronously with the moving parts to store and protect cables, oil pipes and air pipes.

[0035] Two proximity switches 9 are installed on one side of the rodless cylinder 2 and the guide rod cylinder 4, respectively. They are used to limit the extension stroke of the rodless cylinder 2 and the descent stroke of the guide rod cylinder 4, and to trigger the automatic control process of the triggering device, thereby achieving automated operation. In this embodiment, the proximity switch of the rodless cylinder 2 is interlocked with the guide rod cylinder 4, triggering the guide rod cylinder 4 to operate after detecting the extension limit position of the rodless cylinder 2. The proximity switch of the guide rod cylinder 4 is interlocked with the metering valve 8, triggering the metering valve 8 to operate after detecting the descent limit position of the guide rod cylinder 4.

[0036] There are four hydraulic dampers 7, arranged in pairs on either side of the rodless cylinder 2 and the guide rod cylinder 4, to absorb the impact force of cylinder movement. Figure 1 As shown, the rodless cylinder 2 has two hydraulic dampers. One is fixed to the rear side of the main frame 1 to limit the extreme position of the rodless cylinder 2 moving backward; the other is fixed to the rear side of the slider 6 and moves synchronously with the slider 6 to limit the extreme position of the rodless cylinder 2 moving forward. The front side of the main frame 1 is provided with a limit stop corresponding to the hydraulic damper.

[0037] The method of using this application is as follows:

[0038] The metering valve 8, rodless cylinder 2, and guide rod cylinder 4 are connected to the air source control box via air pipes; the metering valve 8 is connected to the oil supply equipment via oil pipes; and the hydraulic buffer 7 and proximity switch 9 are connected to the power supply via cables.

[0039] S1. Parameter setting: The stroke of rodless cylinder 2 and guide rod cylinder 4 is set by proximity switch 9, and the fuel injection quantity parameter of injector 5 is set by metering valve 8;

[0040] S2. Horizontal movement: After receiving the signal, the rodless cylinder 2 extends and drives the moving parts to move horizontally along the linear guide rail 3. After the proximity switch 9 detects that the cylinder has moved to the correct position, it triggers the guide rod cylinder 4 to move, and the rodless cylinder 2 stops moving.

[0041] S3. Vertical movement: The guide rod cylinder 4 drives the fuel injector 5 to descend, and the fuel injector pipe is inserted into the center of the oil seal mounting hole. After the proximity switch 9 detects that the cylinder has moved to the position, it triggers the metering valve 8 to open, and the guide rod cylinder 4 stops moving.

[0042] S4. Spraying operation: The metering valve 8 supplies oil to the nozzle 5 according to the set oil spraying quantity. The nozzle 5 sprays out atomized lubricating oil to lubricate the inner wall of the oil seal mounting hole.

[0043] S5. Reset Cycle: After the oil injection is completed, the guide rod cylinder 4 drives the oil injector 5 to rise and reset, the rodless cylinder 2 retracts, and drives the moving parts back to the initial position, ready for the next operation.

[0044] This application can be used in conjunction with robots or other automated equipment.

[0045] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications are also within the protection scope of the present utility model.

Claims

1. An oil seal mounting bore lubricating oil spraying device characterized by comprising: include: The following components are provided: a nozzle (5) for spraying lubricating oil into the inner hole of the oil seal; a metering valve (8) for controlling the amount of oil sprayed by the nozzle; a main frame (1) for providing mounting support for each component; a guide rod cylinder (4) for driving the nozzle (5) to move up and down; a rodless cylinder (2) for driving the nozzle (5) and the guide rod cylinder (4) to move back and forth; and a linear guide rail (3) and a slider (6) for limiting the linear motion of the rodless cylinder (2).

2. An oil seal mounting bore lubricating oil spraying device according to claim 1, characterized in that The main frame (1) is a rectangular flat plate. The linear guide rail (3) is fixedly installed on one side of the rectangular flat plate along the length of the main frame (1). The rodless cylinder (2) is installed on the side opposite to the linear guide rail (3). The external slider of the cylinder is connected to the slider (6) through the connecting plate. The guide rod cylinder (4) is fixedly installed on the side of the connecting plate. The cylinder piston rod extends vertically downward and connects to the horizontal fixed plate. The nozzle (5) has its outlet facing downward and is fixedly installed on the lower side of the horizontal fixed plate. The metering valve (8) is fixedly installed on the horizontal fixed plate. The inlet and outlet of the metering valve are connected to the air source control box through the air pipe. The oil inlet of the metering valve is connected to the oil supply equipment through the oil pipe. The oil outlet of the metering valve is connected to the nozzle (5) through the oil pipe.

3. An oil seal mounting bore lubricating oil spraying device according to claim 1 or 2, characterized in that The fuel injector (5) is provided with an oil storage chamber, which has an oil inlet and an oil outlet. The oil inlet of the oil storage chamber is connected to a metering valve (8) through an oil pipe, and the oil outlet of the oil storage chamber is connected to a fuel injection pipe. The end of the fuel injection pipe is closed, and several atomizing spray holes are opened on the side. The fuel injection pipe of the fuel injector (5) is adapted to the inner hole of the oil seal installation, so that the fuel injection pipe can be inserted into the inner hole of the oil seal installation.

4. An oil seal mounting bore lubricating oil spraying device according to claim 3, characterized in that The nozzle (5) has a nozzle diameter of 0.1 to 0.3 mm and an injection pressure of 0.2 to 0.5 MPa.

5. The oil seal mounting bore lubricating oil spraying device according to claim 1 or 2, characterized by It also includes proximity switches (9) for limiting the extension stroke of the rodless cylinder (2) and the descent stroke of the guide rod cylinder (4), respectively.

6. The device for spraying lubricating oil into the inner hole of an oil seal according to claim 5, characterized in that, The proximity switch of the rodless cylinder (2) is interlocked with the guide rod cylinder (4) to trigger the action of the guide rod cylinder (4) after the limit position of the rodless cylinder (2) is detected; the proximity switch of the guide rod cylinder (4) is interlocked with the metering valve (8) to trigger the action of the metering valve (8) and the fuel injector (5) after the limit position of the guide rod cylinder (4) is detected.

7. An oil seal mounting bore lubricating oil spraying device according to claim 1 or 2, characterized in that It also includes a hydraulic damper (7) for absorbing the motion impact of the rodless cylinder (2) and the guide rod cylinder (4).

8. The oil seal mounting bore lubricating oil spraying device according to claim 1 or 2, characterized by It also includes cable carriers (10) for storing cables, oil pipes and air pipes, which move synchronously with moving parts.

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