Automatic lubricating oil filling device and use method thereof

Abstract

An automatic lubricating oil filling device includes a chassis frame; an operation panel assembly is installed on the upper side of the chassis frame, and a bottom panel assembly is installed on the lower side of the chassis frame; a filling pump panel assembly is installed on the right side of the chassis frame, and a left connection panel assembly is installed on the left side of the chassis frame; a front connection panel assembly is installed on the front side of the chassis frame, and a flow meter panel assembly is installed on the rear side of the chassis frame. The automatic lubricating oil filling device of the present invention has a chassis frame and a panel structure, and electrical equipment is installed on the panel. The entire device has a compact structure and is easy to carry. The weighing system adopts a drawer-type structure. After being pulled open, the oil tank is placed on the weighing tray, which is simple to use. During use, there are two modes, manual and automatic, and the operation is flexible. The automatic lubricating oil filling device of the present invention has high filling accuracy and high measurement accuracy. The automatic control and display of the system are realized through PLC and touch screen. The PLC control is reliable and fully functional.

Description

Technical Field

[0001] The invention relates to the technical field of lubricating oil filling, and in particular to an automatic lubricating oil filling device and a use method thereof. Background Art

[0002] At present, small-scale lubricating oil filling mostly adopts manual filling devices for lubricating oil filling, which is laborious to use and will cause problems such as poor sealing and lubricating oil leakage over time. The automatic lubricating oil filling equipment on the market at this stage is mostly suitable for filling lubricating oil for large equipment, which is large in size and has large filling errors.

[0003] Through the above analysis, the problems and defects of the existing technology are as follows: manual filling in the existing technology is laborious, and it will cause problems such as poor sealing and oil leakage over time. The automatic oil filling equipment on the market at this stage is mostly suitable for filling the lubricating oil of large equipment, which has a large size and a large filling error.

[0004] In addition, CN214744881U discloses a small automatic lubricating oil filling device, but it does not describe how to use the oil barrel and how to inject the lubricating oil. It only describes the principle and cannot realize specific mass production and use. Summary of the invention

[0005] The technical problem solved by the present invention is to overcome the deficiencies of the prior art and provide an automatic lubricating oil filling device and a method for using the same.

[0006] The technical solution of the present invention is: an automatic lubricating oil filling device, including a chassis frame; an operation panel assembly is installed on the upper side of the chassis frame, and a bottom panel assembly is installed on the lower side of the chassis frame; a filling pump panel assembly is installed on the right side of the chassis frame, and a left connection panel assembly is installed on the left side of the chassis frame; a front connection panel assembly is installed on the front side of the chassis frame, and a flow meter panel assembly is installed on the rear side of the chassis frame.

[0007] Furthermore, the operation panel assembly includes an operation panel, the operation panel is embedded with a touch screen, a control switch and a power switch are arranged on the right side of the touch screen, a filling switch is arranged on the lower side of the touch screen, a warning light, a status light and an emergency stop switch are arranged below the filling switch; and a compensation switch is arranged on the right side of the filling switch.

[0008] Further, the filling switch includes a 100mL filling switch, a 200mL filling switch, a 300mL filling switch and a 400mL filling switch.

[0009] Furthermore, the bottom panel assembly includes a bottom panel, and the bottom panel is provided with a valve assembly, a protective cover and a power supply assembly facing the interior of the automatic lubricating oil filling equipment. The valve assembly includes a valve seat, a valve cover and a one-way valve. The valve seat is fixedly connected to the inner side of the bottom panel, and the other side is connected to the valve cover to fix the one-way valve located between the valve seat and the valve cover; the protective cover is a hollow rectangular shell, and its bottom and one side are open structures. The bottom of the protective cover is fixedly connected to the inner side of the bottom panel, and a drawer is provided inside the protective cover. The drawer is inserted into the protective cover through the opening part of the side of the protective cover through the drawer bracket and can be moved in a horizontal direction relative to the protective cover through the drawer bracket. The drawer is provided with an oil barrel mounting seat for placing an oil barrel, and a pressure seat and a weighing sensor are provided at the bottom of the oil barrel mounting seat; the power supply assembly is arranged on the top of the protective cover, and the power supply assembly includes a power supply and a power supply clamp for fixing the power supply.

[0010] Furthermore, the filling pump panel assembly includes a filling pump panel, a diaphragm pump is arranged on the filling pump panel toward the inside of the automatic lubricating oil filling device, and a filling pump panel assembly buckle is arranged on the side of the filling pump panel facing away from the automatic lubricating oil filling device.

[0011] Furthermore, the left connection panel assembly includes a left connection panel, and a left connection panel assembly buckle is arranged on the side of the left connection panel facing away from the automatic lubricating oil filling device.

[0012] Furthermore, the front connection panel assembly includes a front connection panel, a power plug is provided on the side of the front connection panel facing away from the automatic lubricating oil filling device, the front connection panel is provided with an oil filling port joint, an oil extraction port joint and a drawer opening for the drawer to pass through; the front connection panel is provided with a guide rail facing the interior of the automatic lubricating oil filling device and a PLC assembly arranged on the guide rail and movable along the guide rail.

[0013] Further, the PLC assembly includes a terminal block, a relay, a power transmitter, a PLC and a PLC expansion board which are connected in sequence.

[0014] Furthermore, the flow meter panel assembly includes a flow meter panel, a flow meter is arranged on the flow meter panel facing the inside of the automatic lubricating oil filling device, and a label is arranged on the side of the flow meter panel facing away from the automatic lubricating oil filling device.

[0015] The method for using the above-mentioned automatic lubricating oil filling device comprises the following steps:

[0016] S100, prepare a clean container;

[0017] S200, open the drawer, place the oil drum on the oil drum mounting seat, connect one end of the oil filling pipe and one end of the oil extraction pipe to the oil filling port joint and the oil extraction port joint of the automatic lubricating oil filling device respectively, put the other end of the oil extraction pipe into the oil drum, and connect the other end of the oil filling pipe to a clean container for containing the lubricating oil pumped out during emptying;

[0018] S300, press the power switch, the lubricating oil automatic filling equipment is powered on;

[0019] S400, start the emptying keyboard on the touch screen to exhaust the air in the pipeline, and when observing that there are no bubbles in the oil extraction pipe and the oil filling pipe, stop the pipeline emptying operation, and then remove the other end of the oil filling pipe from the clean container for containing the lubricating oil pumped out during emptying and connect it to the engine oil filling port; preferably, when it is confirmed that the lubricating oil emptied into the container is not contaminated, it can be put back into the lubricating oil barrel, otherwise it should be recycled;

[0020] S500, after the emptying action is completed, start filling, which can be done in "manual" or "automatic" modes;

[0021] The usage of "Manual" mode is as follows:

[0022] The manual mode lubricating oil filling amount is divided into 4 levels: 100mL, 200mL, 300mL, and 400mL. According to the required lubricating oil filling amount, select the corresponding level, press the switch, and the automatic lubricating oil filling device will start filling until the filling is completed, and then the automatic lubricating oil filling device will automatically shut down;

[0023] The usage of "Automatic" mode is as follows:

[0024] Press the lubricating oil filling amount value on the touch screen, start the corresponding value filling key, and the system will start filling until the filling is completed, and the system will automatically shut down;

[0025] S600, empty the pipeline

[0026] When the filling work is completed and it is confirmed that no more filling work will be carried out, lift the oil extraction pipe to separate the pipe mouth from the liquid surface of the oil barrel, insert the oil filling pipe into the oil barrel, press the emptying key to empty the remaining lubricating oil in the oil extraction line and the oil filling pipe, and turn off the power switch after emptying;

[0027] S700, Equipment Recycling

[0028] Remove the oil filling pipe and oil extraction pipe from the oil filling port joint and the oil extraction port joint respectively, and recycle them into the packaging box.

[0029] The advantages of the present invention compared with the prior art are:

[0030] The automatic lubricating oil filling equipment of the present invention has a chassis frame and a panel structure, and the electrical equipment is installed on the panel. The entire equipment has a compact structure and is easy to carry. The weighing system adopts a drawer-type structure. After being pulled open, the oil tank is placed on the weighing tray, which is simple to use. During use, there are two modes, manual and automatic, and the operation is flexible. The automatic lubricating oil filling equipment of the present invention adopts a flow meter for measurement, with high filling accuracy, and adopts a weighing system for measurement, with high measurement accuracy. The automatic control and display of the system are realized through PLC and touch screen. The PLC control is reliable and fully functional. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a stereoscopic view of the automatic lubricating oil filling device of the present invention from a first viewing angle.

[0032] Figure 2 This is a stereoscopic diagram of the automatic lubricating oil filling device of the present invention from a second viewing angle.

[0033] Figure 3 This is a stereoscopic view of the automatic lubricating oil filling device of the present invention from a third viewing angle.

[0034] Figure 4 It is a three-dimensional diagram of the operating panel assembly in the automatic lubricating oil filling device of the present invention.

[0035] Figure 5 This is a front view of the operating panel assembly in the automatic lubricating oil filling device of the present invention.

[0036] Figure 6 It is a three-dimensional diagram of the drawer of the bottom panel assembly in the automatic lubricating oil filling device of the present invention when it is opened.

[0037] Figure 7 It is a side view of the bottom panel assembly in the automatic lubricating oil filling device of the present invention.

[0038] Figure 8 It is a stereoscopic view of the filling pump panel assembly in the automatic lubricating oil filling device of the present invention.

[0039] Fig. 9 It is a structural schematic diagram of the inner side surface of the filling pump panel assembly in the automatic lubricating oil filling equipment of the present invention.

[0040] Fig.10 It is a front view of the left connecting panel assembly in the automatic lubricating oil filling device of the present invention.

[0041] Fig.11 It is a side view of the left connecting panel assembly in the automatic lubricating oil filling device of the present invention.

[0042] Fig.12 It is a stereoscopic view of the front connection panel assembly in the automatic lubricating oil filling device of the present invention.

[0043] Fig.13 It is a structural schematic diagram of the outer side surface of the front connection panel assembly in the automatic lubricating oil filling device of the present invention.

[0044] Fig.14 The figure is a side view of the front connection panel assembly in the automatic lubricating oil filling device of the present invention.

[0045] Fig.15 It is a structural schematic diagram of the inner side surface of the front connecting panel assembly in the automatic lubricating oil filling device of the present invention.

[0046] Fig.16 It is a stereoscopic view of the flow meter panel assembly in the automatic lubricating oil filling device of the present invention.

[0047] Fig.17 The side view of the flow meter panel assembly in the automatic lubricating oil filling device of the present invention

[0048] Fig.18 It is a structural schematic diagram of the inner side surface of the flow meter panel assembly in the automatic lubricating oil filling equipment of the present invention.

[0049] Fig.19 This is a schematic diagram of battery power supply for the automatic lubricating oil filling device of the present invention.

[0050] Fig. 20 This is a functional block diagram of the filling circuit system of the automatic lubricating oil filling equipment of the present invention. DETAILED DESCRIPTION

[0051] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0052] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection", "connection", and "abutment" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0053] like Figure 1-20 As shown, an automatic lubricating oil filling device includes a chassis frame 10; an operation panel assembly 100 is installed on the upper side of the chassis frame 10, and a bottom panel assembly 200 is installed on the lower side of the chassis frame 10; a filling pump panel assembly 300 is installed on the right side of the chassis frame 10, and a left connection panel assembly 400 is installed on the left side of the chassis frame 10; a front connection panel assembly 500 is installed on the front side of the chassis frame 10, and a flow meter panel assembly 600 is installed on the rear side of the chassis frame 10.

[0054] Preferably, the operation panel assembly 100 includes an operation panel 110, which is embedded with a touch screen 120. In addition to displaying the current filling information, the touch screen 120 has the following functions: displaying the battery power value and the remaining value of the lubricating oil in the tank; emptying operation: press the emptying key, and the lubricating oil can be officially filled only after the filling system is emptied; in automatic filling mode, four gears are displayed in sequence: 100mL, 200mL, 300mL, and 400mL. The corresponding gear can be selected according to the required filling amount, and the start key is pressed to complete the filling; compensation function: when the filling amount does not meet the demand, compensation can be made. Press the compensation start key to complete the compensation, and the quantitative compensation is 10mL each time; a control switch 130 and a power switch 140 are arranged on the right side of the touch screen 120. When the power switch 140 is pressed, the whole machine is powered on when the voltage switch is closed. When the control switch 130 points to When the switch points to "manual", the system enters the manual filling mode; when the switch points to "automatic", the system enters the automatic filling mode; a filling switch 180 is arranged on the lower side of the touch screen 120, and a warning light 150, a status light 160 and an emergency stop switch 170 are arranged below the filling switch 180; when the filling system is working, the status light 160 is working. When the warning light 150 is on, it prompts that the battery is low or the amount of lubricating oil in the lubricating oil barrel does not meet the current filling requirements, and the battery should be charged in time. It indicates that the filling work is normal. When the filling system is working, if oil leakage or no oil comes out of the oil filling port occurs, press the emergency stop switch 170 to stop filling and cut off the system working power. A compensation switch 190 is arranged on the right side of the filling switch 180. When the filling value does not meet the use requirements, compensation correction can be made through the compensation switch 190. Press the replenishment key to complete the compensation, and the quantitative compensation is 10mL each time.

[0055] Preferably, the filling switch 180 includes a 100mL filling switch 181, a 200mL filling switch 182, a 300mL filling switch 183 and a 400mL filling switch 184. When the filling switch is in manual filling mode, the corresponding filling switch is selected according to the required filling amount, and the button is pressed to complete the filling.

[0056] Preferably, the bottom panel assembly 200 includes a bottom panel 210, and the bottom panel 210 is provided with a valve assembly 220, a protective cover 230 and a power supply assembly 270 facing the inside of the lubricating oil automatic filling device. The valve assembly 220 includes a valve seat 221, a valve cover 222 and a one-way valve 223. The valve seat 221 is fixedly connected to the inner side of the bottom panel 210, and the other side is connected to the valve cover 222 to fix the one-way valve 223 located between the valve seat 221 and the valve cover 222; the protective cover 230 is a hollow rectangular shell, and its bottom and one side are open structures. The bottom of the protective cover 230 is connected to the bottom panel 210. The inner side is fixedly connected, and a drawer 240 is arranged inside the protective cover 230. The drawer 240 is inserted into the protective cover 230 through the side opening of the protective cover 230 through the drawer bracket 250 and can be moved horizontally relative to the protective cover 230 through the drawer bracket 250. The drawer 240 is provided with an oil barrel mounting seat 260 for placing an oil barrel, and a pressure seat 280 and a weighing sensor 290 are arranged at the bottom of the oil barrel mounting seat 260; wherein the lubricating oil weighing module is mainly used for automatic weighing of lubricating oil, reflecting the amount of oil storage, and when the oil storage cannot meet the current filling amount, an automatic alarm is issued to indicate that the amount of lubricating oil is insufficient. The power supply assembly 270 is arranged on the top of the protective cover 230, and the power supply assembly 270 includes a power supply 271 and a power supply clamp 272 for fixing the power supply 271.

[0057] Preferably, the filling pump panel assembly 300 includes a filling pump panel 310, a diaphragm pump 330 is arranged on the filling pump panel 310 toward the inside of the automatic lubricating oil filling device, and a filling pump panel assembly buckle 320 is arranged on the side of the filling pump panel 310 facing away from the automatic lubricating oil filling device.

[0058] Preferably, the left connection panel assembly 400 includes a left connection panel 410, and a left connection panel assembly buckle 420 is provided on the side of the left connection panel 410 facing away from the automatic lubricating oil filling device.

[0059] Preferably, the front connection panel assembly 500 includes a front connection panel 510, and a power plug 520 is arranged on the side of the front connection panel 510 facing away from the automatic lubricating oil filling device. The power plug 520 is connected to a power adapter to charge the battery, and the power adapter supplies 220V. The front connection panel 510 is provided with an oil filling port joint 530, an oil extraction port joint 540 and a drawer opening 570 for the drawer 240 to pass through. The oil extraction port joint 540 is connected to the oil tank through an oil extraction pipe to provide lubricating oil to the filling system, and the oil filling port joint 530 is connected to the engine oil inlet through an oil filling pipe, and lubricating oil is injected into the engine during the filling operation; the front connection panel 510 is provided with a guide rail 560 and a PLC assembly 550 arranged on the guide rail 560 and movable along the guide rail 560.

[0060] Preferably, the PLC component 550 includes a terminal block 551, a relay 552, a power transmitter 553, a PLC 554 and a PLC expansion board 555 which are connected in sequence.

[0061] Preferably, the flow meter panel assembly 600 includes a flow meter panel 610, and a flow meter 620 is arranged on the flow meter panel 610 toward the inside of the automatic lubricating oil filling device, and a label 630 is arranged on the side of the flow meter panel 610 facing away from the automatic lubricating oil filling device.

[0062] The refueling circuit system of the automatic lubricating oil filling device of the present invention mainly comprises a battery, a filling pump, a flow meter, a one-way valve, a PLC, and a controller.

[0063] The working principle of the automatic lubricating oil filling equipment of the present invention is as follows: turn on the power switch, and all parts of the system are powered on. The PLC completes the self-check state and is ready for work. The amount of oil stored in the oil storage tank is weighed and measured by a weighing device, and the weighed weight is converted into a volume and displayed through a touch screen. If it meets the filling requirements, the next step can be carried out, otherwise the amount of oil in the oil storage tank needs to be increased. When the amount of oil in the oil storage tank meets the filling requirements, it is set according to the required amount of lubricating oil to be filled, and the filling pump is controlled by the PLC to extract lubricating oil. The extracted lubricating oil is measured by a flow meter. When the measured value of the flow meter reaches the set value, the PLC issues a command, the filling pump stops working, and the filling operation is completed.

[0064] At the same time, according to the control requirements of the equipment, it is divided into two modes: automatic control and manual control. The automatic control form is: select the required filling mode on the touch screen, press start, and the system will work until the output lubricating oil volume reaches the set value, and then stop filling.

[0065] The method for using the automatic lubricating oil filling device comprises the following steps:

[0066] S100, preparing a clean container, preferably, the container has a capacity of not less than 200 ml, for containing the lubricating oil pumped out during emptying;

[0067] S200, open the drawer 240, place the oil drum on the oil drum mounting seat, connect one end of the oil filling pipe and one end of the oil extraction pipe to the oil filling port joint 530 and the oil extraction port joint 540 of the automatic lubricating oil filling device respectively, put the other end of the oil extraction pipe into the oil drum, and connect the other end of the oil filling pipe to a clean container for containing the lubricating oil pumped out during emptying;

[0068] S300, pressing the power switch 140, the automatic lubricating oil filling device is powered on;

[0069] S400, start the emptying keyboard of the touch screen 120, exhaust the air in the pipeline, and when observing that there are no bubbles in the oil extraction pipe and the oil filling pipe, stop the pipeline emptying operation, and then remove the other end of the oil filling pipe from the clean container for containing the lubricating oil pumped out during emptying and connect it to the engine oil filling port; preferably, when it is confirmed that the lubricating oil emptied into the container is not contaminated, it can be put back into the lubricating oil barrel, otherwise it should be recycled;

[0070] S500, after the emptying action is completed, start filling, which can be done in "manual" or "automatic" modes;

[0071] The usage of "Manual" mode is as follows:

[0072] The lubricating oil filling amount in manual mode is divided into 4 levels: 100mL, 200mL, 300mL, and 400mL. According to the required lubricating oil filling amount value, select the corresponding level, press the switch, and the lubricating oil automatic filling device will start filling until the filling is completed, and the lubricating oil automatic filling device will automatically shut down;

[0073] The usage of "Automatic" mode is as follows:

[0074] Press the filling amount value of the lubricating oil on the touch screen 120 to start the corresponding filling key, and the system starts filling until the filling is completed and the system automatically shuts down;

[0075] S600, empty the pipeline

[0076] When the filling work is completed and it is confirmed that no more filling work will be performed, lift the oil extraction pipe to separate the pipe mouth from the liquid surface of the oil barrel, insert the oil filling pipe into the oil barrel, press the emptying key to empty the remaining lubricating oil in the oil extraction line and the oil filling pipe, and turn off the power switch 140 after emptying;

[0077] S700, Equipment Recycling

[0078] The oil filling pipe and the oil extraction pipe are removed from the oil filling port joint 530 and the oil extraction port joint 540 respectively, and are collected into the packaging box.

[0079] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0080] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A method for using an automatic lubricating oil filling device, characterized in that: The steps include: S100, prepare a clean container; S200, open the drawer, place the oil drum on the oil drum mounting seat, connect one end of the oil filling pipe and one end of the oil extraction pipe to the oil filling port joint and the oil extraction port joint of the automatic lubricating oil filling device respectively, put the other end of the oil extraction pipe into the oil drum, and connect the other end of the oil filling pipe to a clean container for containing the lubricating oil pumped out during emptying; S300, press the power switch, the lubricating oil automatic filling equipment is powered on; S400, start the emptying keyboard on the touch screen to exhaust the air in the pipeline. When observing that there are no bubbles in the oil extraction pipe and the oil filling pipe, stop the pipeline emptying operation, and then remove the other end of the oil filling pipe from the clean container used to hold the lubricating oil pumped out during emptying and connect it to the engine oil filling port; when it is confirmed that the lubricating oil emptied into the container is not contaminated, it can be put back into the lubricating oil barrel, otherwise it should be recycled; S500, after the emptying action is completed, start filling, which can be done in "manual" or "automatic" modes; The usage of "Manual" mode is as follows: The manual mode lubricating oil filling amount is divided into 4 levels: 100mL, 200mL, 300mL, and 400mL. According to the required lubricating oil filling amount, select the corresponding level, press the switch, and the automatic lubricating oil filling device will start filling until the filling is completed, and then the automatic lubricating oil filling device will automatically shut down; The usage of "Automatic" mode is as follows: Press the lubricating oil filling amount value on the touch screen, start the corresponding value filling key, and the system will start filling until the filling is completed, and the system will automatically shut down; S600, empty the pipeline; When the filling work is completed and it is confirmed that no more filling work will be carried out, lift the oil extraction pipe to separate the pipe mouth from the liquid surface of the oil barrel, insert the oil filling pipe into the oil barrel, press the emptying key to empty the remaining lubricating oil in the oil extraction line and the oil filling pipe, and turn off the power switch after emptying; S700, equipment recycling; Remove the oil filling pipe and oil extraction pipe from the oil filling port joint and the oil extraction port joint respectively, and recycle them into the packaging box; The automatic lubricating oil filling device includes a chassis frame; An operation panel assembly is installed on the upper side of the chassis frame, and a bottom panel assembly is installed on the lower side of the chassis frame; A filling pump panel assembly is installed on the right side of the chassis frame, and a left connection panel assembly is installed on the left side of the chassis frame; A front connection panel assembly is installed on the front side of the chassis frame, and a flow meter panel assembly is installed on the rear side of the chassis frame; The operation panel assembly includes an operation panel, which is embedded with a touch screen. A control switch and a power switch are arranged on the right side of the touch screen. A filling switch is arranged on the lower side of the touch screen. A warning light, a status light and an emergency stop switch are arranged below the filling switch. A compensation switch is arranged on the right side of the filling switch. The filling switch includes 100mL filling switch, 200mL filling switch, 300mL filling switch and 400mL filling switch; The bottom panel assembly includes a bottom panel, and the bottom panel is provided with a valve assembly, a protective cover and a power supply assembly facing the inside of the automatic lubricating oil filling device. The valve assembly includes a valve seat, a valve cover and a one-way valve. The valve seat is fixedly connected to the inner side of the bottom panel, and the other side is connected to the valve cover to fix the one-way valve located between the valve seat and the valve cover; the protective cover is a hollow rectangular shell, and its bottom and one side are open structures. The bottom of the protective cover is fixedly connected to the inner side of the bottom panel, and a drawer is provided inside the protective cover. The drawer is inserted into the protective cover through the side opening of the protective cover through the drawer bracket and can be moved in the horizontal direction relative to the protective cover through the drawer bracket. The drawer is provided with an oil barrel mounting seat for placing an oil barrel, and a pressure seat and a weighing sensor are provided at the bottom of the oil barrel mounting seat; the power supply assembly is arranged on the top of the protective cover, and the power supply assembly includes a power supply and a power supply clamp for fixing the power supply; The filling pump panel assembly includes a filling pump panel, a diaphragm pump is arranged on the filling pump panel toward the inside of the automatic lubricating oil filling device, and a filling pump panel assembly buckle is arranged on the side of the filling pump panel facing away from the automatic lubricating oil filling device; The left connection panel assembly includes a left connection panel, and a left connection panel assembly buckle is arranged on the side of the left connection panel facing away from the automatic lubricating oil filling device; the front connection panel assembly includes a front connection panel, and a power plug is arranged on the side of the front connection panel facing away from the automatic lubricating oil filling device, and the front connection panel is provided with an oil filling port joint, an oil extraction port joint and a drawer opening for the drawer to pass through; the front connection panel is provided with a guide rail facing the interior of the automatic lubricating oil filling device and a PLC assembly arranged on the guide rail and movable along the guide rail; the PLC assembly includes a terminal block, a relay, a power transmitter, a PLC and a PLC expansion board connected in sequence; the flowmeter panel assembly includes a flowmeter panel, and a flowmeter is arranged on the flowmeter panel facing the interior of the automatic lubricating oil filling device, and a nameplate is arranged on the flowmeter panel facing away from the automatic lubricating oil filling device.

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