Automatic oil injection device based on industrial robot

Abstract

The utility model relates to an automatic oil injection device based on an industrial robot. The automatic oil injection device comprises an oil injection assembly, the industrial robot and an oil storage assembly. The oil injection assembly is installed on the industrial robot. The oil injection assembly is connected with the oil storage assembly; the oil injection assembly comprises a connecting sleeve, a sliding sleeve which is coaxial with the connecting sleeve and is in sliding connection with the connecting sleeve, and an oil injection piece connected with the sliding sleeve, and a linear elastic piece is arranged between the front end of the sliding sleeve and the front end of the connecting sleeve; a knuckle bearing is coaxially arranged at the rear end of the sliding sleeve, and an elastic positioning piece is arranged at the front end of the sliding sleeve; the oil injection piece is connected with the knuckle bearing in a nested manner, and the elastic positioning piece abuts against the outer side face of the oil injection piece; a plurality of linear elastic pieces are arranged in the circumferential direction of the sliding sleeve at equal intervals.

Description

Technical Field

[0001] The utility model relates to the field of oiling and maintenance of a sintering trolley, in particular to an automatic oiling device based on an industrial robot. Background Art

[0002] In the steel production process, the sintering machine is one of the key production equipment, and the wheel bearing of the sintering machine is an important part of the normal operation of the sintering machine. However, the traditional lubrication method of the wheel bearing of the sintering machine mostly relies on manual oiling operation, which has problems such as untimely oiling and inaccurate oiling amount, resulting in increased bearing wear and even safety accidents. In addition, the sintering machine site is high in temperature all year round, which is very uncomfortable for workers to operate on site and they are prone to heatstroke. Therefore, the development of an oiling system that can lubricate the wheel bearing of the sintering machine is of great significance to improving the operating efficiency and safety of the sintering machine. Utility Model Content

[0003] The utility model aims to provide an automatic oiling device based on an industrial robot.

[0004] In order to achieve the above-mentioned utility model object, the utility model provides an automatic oil injection device based on an industrial robot, comprising: an oil injection component, an industrial robot and an oil storage component;

[0005] The oil injection assembly is installed on the industrial robot;

[0006] The oil injection assembly is connected to the oil storage assembly;

[0007] The oil injection assembly comprises: a connecting sleeve, a sliding sleeve coaxial with and slidably connected to the connecting sleeve, an oil injection piece connected to the sliding sleeve, and a linear elastic piece arranged between the front end of the sliding sleeve and the front end of the connecting sleeve;

[0008] A spherical bearing is coaxially arranged at the rear end of the sliding sleeve, and an elastic positioning piece is arranged at the front end of the sliding sleeve;

[0009] The oil injection piece is connected to be nested with the spherical bearing, and the elastic positioning piece is arranged to abut against the outer side surface of the oil injection piece;

[0010] A plurality of linear elastic members are arranged at equal intervals along the circumference of the sliding sleeve.

[0011] According to one aspect of the utility model, the connecting sleeve is provided with a guide groove;

[0012] The length direction of the guide groove is consistent with the axial direction of the connecting sleeve;

[0013] A guide block is provided on the outer side of the sliding sleeve;

[0014] The guide block is slidably matched with the guide groove.

[0015] According to one aspect of the utility model, the front end of the sliding sleeve is provided with a radially protruding annular protrusion;

[0016] A plurality of mounting grooves are provided on one side of the annular protrusion opposite to the connecting sleeve;

[0017] Along the circumference of the annular protrusion, a plurality of the mounting grooves are arranged at equal intervals, and the linear elastic members are arranged in one-to-one correspondence with the mounting grooves;

[0018] One end of the linear elastic member is embedded in the installation groove, and the other end is connected to the connecting sleeve.

[0019] According to one aspect of the utility model, the elastic positioning member comprises: a positioning guide seat, a positioning plunger slidably connected to the positioning guide seat, and a return spring arranged between the positioning plunger and the positioning guide seat;

[0020] Along the circumference of the annular protrusion, a plurality of mounting holes are arranged at equal intervals on the annular protrusion, and the axial direction of the mounting holes is consistent with the radial direction of the annular protrusion;

[0021] The positioning guide seat is connected to the mounting hole by threaded connection;

[0022] The positioning plunger is arranged to abut against the outer side surface of the oil injection piece under the elastic force of the return spring;

[0023] The end surface of one end of the positioning plunger abutting against the oil injection piece is configured as a spherical surface.

[0024] According to one aspect of the utility model, the oil injection piece comprises: a hollow tube, a pipeline connector and an oil injection docking piece respectively arranged at opposite ends of the hollow tube;

[0025] The pipeline connector and the oil injection joint are respectively threadedly connected to the hollow pipe;

[0026] The hollow tube is connected to the spherical bearing;

[0027] The oil injection docking piece has an oil injection channel for oil injection, and a conical docking port is provided at one end of the oil injection channel away from the hollow tube;

[0028] The tapered docking port comprises: a first tapered portion and a second tapered portion;

[0029] Along a direction away from the hollow tube, the first tapered portion and the second tapered portion are coaxially arranged in sequence;

[0030] A taper angle of the first tapered portion is smaller than a taper angle of the second tapered portion.

[0031] According to one aspect of the utility model, the oil filling assembly further comprises: a micro switch;

[0032] A mounting support is provided on the outer side of the connecting sleeve, and the micro switch is connected to the mounting support;

[0033] The end of the annular protrusion adjacent to the connecting sleeve is in contact with the movable end of the micro switch;

[0034] A guiding slope is provided at the position where the annular protrusion contacts the movable end of the micro switch;

[0035] The radial height between the guide inclined surface and the sliding sleeve is gradually increased in a direction away from the connecting sleeve.

[0036] According to one aspect of the utility model, the oil injection assembly further comprises: an oil injection gun drive, a flow meter and an oil injection gun;

[0037] The input port of the grease gun is connected to the flow meter, and the output port is connected to the pipeline connector;

[0038] The grease gun drive is connected to the switch handle of the grease gun and is used to control the switch of the grease gun.

[0039] According to one aspect of the utility model, the oil storage assembly comprises: a carrier, an oil pump disposed on the carrier, and an oil storage barrel installed at the inlet of the oil pump;

[0040] The outlet of the oil pump is connected to the oil injection assembly.

[0041] According to one aspect of the utility model, it also includes: a nozzle cleaning device;

[0042] The nozzle cleaning device and the industrial robot are spaced apart from each other;

[0043] The nozzle cleaning device comprises: a bracket, an electric brush sweeping mechanism supported on the bracket, a dust cover sleeved on the electric brush sweeping mechanism, and a dust removal mechanism arranged adjacent to the electric brush sweeping mechanism;

[0044] The electric brush sweeping mechanism comprises: a brush sweeping motor, a brush sweeping shaft connected to the brush sweeping motor, and a cleaning brush connected to the end of the brush sweeping shaft;

[0045] The dust removal mechanism comprises: an air compressor, a bamboo tube connected to the air compressor, and a nozzle arranged at the end of the bamboo tube;

[0046] The nozzle is arranged adjacent to the cleaning brush.

[0047] According to a scheme of the utility model, the utility model can be applied to the automatic oiling of the wheel bearings of the sintering machine in the steel plant, which can accurately oil the wheel bearings of the sintering machine, improve the operating efficiency and safety of the sintering machine, and reduce the maintenance cost.

[0048] According to a scheme of the utility model, the utility model has broad application prospects and market value, and will provide important support for the automation and intelligent development in the field of steel production.

[0049] According to a scheme of the utility model, the utility model adopts a sliding sleeve arrangement in which the sliding sleeve and the connecting sleeve are coaxial with each other, and a linear elastic member is arranged between the sliding sleeve and the connecting sleeve. When the oil injection assembly of the utility model is docked with the oil nozzle, a corresponding elastic buffering effect is generated based on the linear elastic member to control the flexibility of the docking process, avoid rigid contact between the oil injection assembly and the oil nozzle, and effectively ensure the safety and stability of the docking process.

[0050] According to a scheme of the utility model, by arranging an oil injection docking piece at the end of the hollow tube, the docking with the oil nozzle on the wheel can be conveniently achieved. In particular, by arranging a conical docking port with a variable cone angle at the end of the oil injection docking piece, the second conical portion with a larger cone angle can more conveniently achieve the introduction docking with the wheel oil nozzle, and the first conical portion with a smaller cone angle can be conveniently connected with the surrounding of the wheel oil nozzle to achieve sealing of the docking position so that the lubricating oil can be smoothly injected into the wheel oil nozzle, thereby ensuring the accuracy and stability of the oil injection process.

[0051] According to a solution of the utility model, when the sliding sleeve is retracted, the movable part of the micro switch corresponding to it can be pressed back based on the movement of the annular protrusion, so as to accurately and timely detect whether the oil filling part and the wheel oil nozzle are in place. In addition, by providing a guide slope on the annular protrusion, the switch state of the micro switch can be conveniently and accurately controlled. After the annular protrusion moves into place, the micro switch can be controlled to open based on the guide slope, which effectively ensures the accuracy of the opening time of the utility model.

[0052] According to a solution of the utility model, the oil nozzle cleaning device is provided to conveniently pre-clean the wheel oil nozzle, thereby making the subsequent oil filling process more convenient to ensure smooth and stable operation of the subsequent wheels. BRIEF DESCRIPTION OF THE DRAWINGS

[0053] Figure 1 is a structural diagram schematically showing an automatic oil filling device according to an embodiment of the utility model;

[0054] Figure 2 is a perspective view schematically showing an oil injection assembly according to an embodiment of the utility model;

[0055] Figure 3 is a top view schematically showing an oil injection assembly according to an embodiment of the utility model;

[0056] Figure 4 is a front view schematically showing an oil injection assembly according to an embodiment of the utility model;

[0057] Figure 5 is a cross-sectional view schematically showing an oil injection assembly according to an embodiment of the utility model;

[0058] Figure 6 is a three-dimensional diagram schematically showing the connection between an oil injection assembly and an industrial robot according to an embodiment of the utility model;

[0059] Figure 7 is a perspective view schematically showing an automatic oil filling device according to an embodiment of the utility model;

[0060] Figure 8 It is a three-dimensional view schematically showing a nozzle cleaning device according to an embodiment of the utility model. DETAILED DESCRIPTION

[0061] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the drawings required for the implementation are briefly introduced below. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0062] When describing the embodiments of the present invention, the orientation or positional relationship expressed by the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the orientation or positional relationship shown in the relevant drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the above terms cannot be understood as limiting the present invention.

[0063] The present invention will be described in detail below in conjunction with the accompanying drawings and specific implementation methods. The implementation methods cannot be described one by one here, but the implementation methods of the present invention are not therefore limited to the following implementation methods.

[0064] Combination Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, according to an embodiment of the utility model, the utility model provides an automatic oil injection device based on an industrial robot, comprising: an oil injection component 1, an industrial robot 2 and an oil storage component 3; wherein the oil injection component 1 is installed on the industrial robot 2, and the oil injection component 1 is connected to the oil storage component 3. In this embodiment, the oil injection component 1 comprises: a connecting sleeve 11, a sliding sleeve 12 coaxially and slidably connected to the connecting sleeve 11, an oil injection piece 13 connected to the sliding sleeve 12, and a linear elastic piece 14 is arranged between the front end of the sliding sleeve 12 and the front end of the connecting sleeve 11; in this embodiment, a joint bearing 121 is coaxially arranged at the rear end of the sliding sleeve 12, and an elastic positioning piece 122 is arranged at the front end of the sliding sleeve 12; wherein the oil injection piece 13 is connected to the joint bearing 121 in a nested manner, and the elastic positioning piece 122 is arranged to abut against the outer side surface of the oil injection piece 13. In this embodiment, along the circumference of the sliding sleeve 12, a plurality of linear elastic pieces 14 are arranged at equal intervals.

[0065] The provided spherical bearing 121 can conveniently realize the adaptive swing of the oil injection piece 13 during the oil injection process, so as to realize flexible docking with the oil nozzle. In addition, the provided elastic positioning piece 122 can realize elastic support of the oil injection piece 13 in the circumferential direction, so that when the oil injection piece 13 deflects, the elastic positioning piece 122 can adaptively deform and support the oil injection piece 13 to ensure the stability of the swing angle of the oil injection piece 13. In addition, the provided elastic positioning piece 122 can realize self-centering support of the oil injection piece 13, so that after the oil injection piece 13 is separated from the oil nozzle, the oil injection piece 13 is restored to the coaxial position with the sliding sleeve 12, so as to ensure the accurate docking of the oil injection piece 13 and the oil nozzle in the subsequent oil injection process of the utility model.

[0066] Combination Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, according to an embodiment of the utility model, the connecting sleeve 11 is provided with a guide groove 111; in this embodiment, the length direction of the guide groove 111 is arranged to be consistent with the axial direction of the connecting sleeve 11; and the outer side of the sliding sleeve 12 is provided with a guide block 12a; wherein the guide block 12a is connected to the sliding sleeve 12 in a detachable connection manner. In this embodiment, the guide block 12a is slidably connected to the guide groove 111. In this embodiment, the length of the guide block 12a is greater than the telescopic length of the sliding sleeve 12 to prevent the sliding sleeve 12 from falling out, so as to ensure a reliable and stable connection.

[0067] Through the above arrangement, a guide groove 111 is provided on the inner side of the connecting sleeve 11, and a guide block 12a is provided on the outer side of the sliding sleeve 12, and then the sliding cooperation between the guide block 12a and the guide groove 111 can realize accurate limitation on the telescopic direction of the sliding sleeve 12, so as to effectively avoid the rotation of the sliding sleeve 12 relative to the connecting sleeve 11, thereby fixing the position of the sliding sleeve 12 of the utility model, thereby ensuring the accuracy of the docking between the utility model and the oil nozzle.

[0068] Combination Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, according to an embodiment of the utility model, the front end of the sliding sleeve 12 is provided with a radially protruding annular protrusion 12b; wherein, a plurality of mounting grooves are provided on the side of the annular protrusion 12b opposite to the connecting sleeve 11. In this embodiment, along the circumference of the annular protrusion 12b, a plurality of mounting grooves are provided at equal intervals, and the linear elastic member 14 is provided in a one-to-one correspondence with the mounting grooves; in this embodiment, the linear elastic member 14 can be a compression spring, one end of which is embedded in the mounting groove, and the other end is connected to the connecting sleeve 11. In this embodiment, a connecting groove can also be provided on the side of the connecting sleeve 11 opposite to the annular protrusion 12b, and the other end of the linear elastic member 14 can be embedded therein, thereby stably and reliably realizing the elastic telescopic movement between the connecting sleeve 11 and the sliding sleeve 12.

[0069] Through the above-mentioned arrangement, by adopting a sliding sleeve arrangement in which the sliding sleeve 12 and the connecting sleeve 11 are coaxial with each other, and by arranging a linear elastic member 14 between the sliding sleeve 12 and the connecting sleeve 11, when the oil injection assembly of the utility model is docked with the oil nozzle, a corresponding elastic buffering effect is generated based on the linear elastic member 14 to control the flexibility of the docking process, avoid rigid contact between the oil injection assembly and the oil nozzle, and effectively ensure the safety and stability of the docking process.

[0070] In this embodiment, the rear end of the sliding sleeve 12 may be provided with an annular end cover for limiting the position of the spherical bearing 121, so as to stabilize the installation of the spherical bearing 121. The radial dimension of the annular end cover may be larger than the radial dimension of the sliding sleeve 12, so that the annular end cover may abut against the rear end of the connecting sleeve 11, so as to prevent the sliding sleeve 12 from coming out, thereby improving the stability of the use of the utility model.

[0071] Combination Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, according to an embodiment of the utility model, the elastic positioning member 122 includes: a positioning guide seat 122a, a positioning plunger 122b slidably connected to the positioning guide seat 122a, and a return spring arranged between the positioning plunger 122b and the positioning guide seat 122a. In this embodiment, along the circumference of the annular protrusion 12b, a plurality of mounting holes are arranged at equal intervals on the annular protrusion 12b, and the axial direction of the mounting holes is consistent with the radial direction of the annular protrusion 12b; wherein the positioning guide seat 122a is threadedly connected to the mounting holes; and the positioning plunger 122b is arranged to abut against the outer side surface of the oil injection piece 13 under the elastic force of the return spring. In this embodiment, the end face of the end of the positioning plunger 122b abutting against the oil injection piece 13 is set as a spherical surface.

[0072] In this embodiment, four elastic positioning members 122 are provided, and correspondingly, four mounting holes are arranged in the circumferential direction of the annular protrusion 12b, and a cut surface is provided at the position of each mounting hole, so that the elastic positioning member 122 can be more conveniently installed. In this embodiment, adjacent cut surfaces are spaced apart.

[0073] Combination Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, according to an embodiment of the utility model, the oil injection member 13 comprises: a hollow tube 131, a pipeline connector 132 and an oil injection docking member 133 respectively arranged at opposite ends of the hollow tube 131; in this embodiment, the pipeline connector 132 and the oil injection docking member 133 are respectively threadedly connected to the hollow tube 131; and the hollow tube 131 is connected to the spherical bearing 121. In this embodiment, the outer side surface of the hollow tube 131 can be set as a stepped surface. In order to facilitate the stable and reliable installation of the hollow tube 131 and the spherical bearing 121, a positioning sleeve can be set at the corresponding position of the hollow tube 131. The positioning sleeve and the hollow tube 131 are threadedly connected to abut against the middle movable part of the spherical bearing 121, and the other end of the middle movable part of the spherical bearing 121 abuts against the stepped position of the stepped surface of the hollow tube 131 to position and install the hollow tube 131.

[0074] In this embodiment, the oil injection docking piece 133 has an oil injection channel for oil injection, and a conical docking port 133a is provided at one end of the oil injection channel away from the hollow tube 131; wherein the conical docking port 133a includes: a first conical portion 133a1 and a second conical portion 133a2. In this embodiment, along the direction away from the hollow tube 131, the first conical portion 133a1 and the second conical portion 133a2 are coaxially arranged in sequence; wherein the conical angle of the first conical portion 133a1 is smaller than the conical angle of the second conical portion 133a2.

[0075] Through the above-mentioned arrangement, by arranging the oil injection docking piece 133 at the end of the hollow tube 131, it is convenient to achieve docking with the oil nozzle on the wheel. In particular, by arranging a conical docking port 133a with a variable cone angle at the end of the oil injection docking piece 133, it is more convenient to achieve introduction docking with the wheel oil nozzle through the second conical portion 133a2 with a larger cone angle, and the first conical portion 133a1 with a smaller cone angle can be conveniently connected to the surrounding of the wheel oil nozzle to achieve sealing of the docking position so that the lubricating oil can be smoothly injected into the wheel oil nozzle to ensure the accuracy and stability of the oil injection process.

[0076] Combination Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, according to an embodiment of the utility model, the oil filling assembly 1 further includes: a micro switch 15; wherein a mounting support 11a is provided on the outer side of the connecting sleeve 11, and the micro switch 15 is connected to the mounting support 11a; in this embodiment, the end of the annular protrusion 12b adjacent to the connecting sleeve 11 is in contact with the movable end of the micro switch 15, and a guide slope 12b1 is provided at the position where the annular protrusion 12b contacts the movable end of the micro switch 15. In this embodiment, the radial height between the guide slope 12b1 and the sliding sleeve 12 is gradually increased in the direction away from the connecting sleeve 11.

[0077] Through the above arrangement, when the sliding sleeve 12 is retracted, the corresponding movable part of the micro switch 15 can be pressed back based on the movement of the annular protrusion 12b, so as to accurately and timely detect whether the oil injection piece 13 and the wheel oil nozzle are in place. In addition, by setting the guide slope 12b1 on the annular protrusion 12b, the switch state of the micro switch 15 can be conveniently and accurately controlled. After the annular protrusion 12b moves into place, the micro switch 15 can be controlled to be turned on based on the guide slope 12b1, which effectively ensures the accuracy of the opening time of the utility model.

[0078] Combination Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, according to one embodiment of the utility model, the oil filling assembly 1 also includes: a oil filling gun drive 16, a flow meter 17 and a oil filling gun 18; wherein, the input port of the oil filling gun 18 is connected to the flow meter 17, and the output port is connected to the pipeline connector 132; the oil filling gun drive 16 is connected to the switch handle of the oil filling gun 18 for controlling the switch of the oil filling gun 18.

[0079] In this embodiment, the grease gun 18 and the pipe connector 132 are connected by a connecting pipe, wherein the connecting pipe can be configured as a hose, a hard pipe, or a combination of a hose and a hard pipe to achieve matching of the connecting pipe with the corresponding installation position.

[0080] In this embodiment, the grease gun drive 16 comprises: a clamping fixed seat 161, a telescopic driver 162 arranged on the clamping fixed seat 161, and a pulling member 163 connected to the telescopic end of the telescopic driver 162; wherein the pulling member 163 is a rectangular ring structure as a whole, and comprises: a connecting beam 1631, a guide rod 1632 and a pressing beam 1633; the connecting beam 1631 is arranged above the pressing beam 1633 in parallel with the pressing beam 1633, and the guide rod 1632 is used to connect the connecting beam 1631 and the pressing beam 1633. In this embodiment, two guide rods 1632 are arranged in parallel and at intervals, and the guide rods 1632 are respectively slidably connected to the clamping fixed seat 161. In this embodiment, the connecting beam 1631 is connected to the telescopic end of the telescopic driver 162, wherein the telescopic end of the telescopic driver 162 is arranged upward, thereby driving the pulling member 163 to move up and down in the vertical direction. Furthermore, the grease gun 18 is clamped and fixed on the clamping base 161, and the handle of the grease gun 18 is arranged downward. For this purpose, the pressure beam 1633 of the pulling member 163 can be arranged below the handle of the grease gun 18 and the pressure beam 1633 and the handle are abutted against each other. Therefore, when the pulling member 163 moves in the vertical direction, the pressure beam 1633 can be used to squeeze the handle to achieve the grease action.

[0081] Combination Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, according to an embodiment of the present invention, the oil injection assembly 1 is installed at the movable end of the industrial robot 2; wherein a mounting frame is provided at the movable end of the industrial robot 2, and the mounting frame realizes a detachable connection with the connecting sleeve 11. In addition, the oil injection gun drive 16 and the flow meter 17 provided in the oil injection assembly 1 can be installed on the industrial robot 2, wherein the connecting pipelines between each other are changed according to the appearance of the industrial robot 2 to realize the arrangement of the connecting pipelines, for example, when a hollow channel is provided on the industrial robot 2, the connecting pipeline can be arranged in the hollow channel, and if the industrial robot 2 does not have a hollow channel, the corresponding connecting pipeline is arranged along the outer side of the industrial robot 2.

[0082] like Figure 1As shown, according to one embodiment of the utility model, the oil storage assembly 3 includes: a carrier 31, an oil pump 32 arranged on the carrier 31, and an oil storage barrel 33 installed at the inlet of the oil pump 32; wherein the outlet of the oil pump 32 is connected to the oil injection assembly 1.

[0083] Combination Figure 7 and Figure 8 As shown, according to an embodiment of the utility model, the automatic oil filling device of the utility model further includes: an oil nozzle cleaning device 4; wherein the oil nozzle cleaning device 4 is spaced apart from the industrial robot 2. In this embodiment, the oil nozzle cleaning device 4 includes: a bracket 41, an electric brush sweeping mechanism 42 supported on the bracket 41, a dust cover 43 sleeved on the electric brush sweeping mechanism 42, and a dust removal mechanism 44 arranged adjacent to the electric brush sweeping mechanism 42; wherein the electric brush sweeping mechanism 42 includes: a brush sweeping motor 421, a brush sweeping shaft 422 connected to the brush sweeping motor 421, and a cleaning brush 423 connected to the end of the brush sweeping shaft 422. The dust removal mechanism 44 includes: an air compressor, a bamboo tube 441 connected to the air compressor, and a nozzle arranged at the end of the bamboo tube 441. In this embodiment, the nozzle is arranged adjacent to the cleaning brush 423.

[0084] The oil nozzle cleaning device 4 can be used to conveniently pre-clean the wheel oil nozzle, thereby making the subsequent oil filling process more convenient to ensure smooth and stable operation of the subsequent wheels.

[0085] The above contents are merely examples of specific solutions of the present invention. For the equipment and structures not described in detail, it should be understood that they are implemented by adopting the general equipment and general methods available in the art.

[0086] The above is only one solution of the utility model and is not intended to limit the utility model. For those skilled in the art, the utility model can be modified and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An automatic oiling device based on an industrial robot, characterized in that: include: An oil injection assembly (1), an industrial robot (2) and an oil storage assembly (3); The oil injection assembly (1) is installed on the industrial robot (2); The oil injection assembly (1) is connected to the oil storage assembly (3); The oil injection assembly (1) comprises: a connecting sleeve (11), a sliding sleeve (12) coaxial with and slidably connected to the connecting sleeve (11), an oil injection piece (13) connected to the sliding sleeve (12), and a linear elastic piece (14) arranged between the front end of the sliding sleeve (12) and the front end of the connecting sleeve (11); A spherical bearing (121) is coaxially arranged at the rear end of the sliding sleeve (12), and an elastic positioning member (122) is arranged at the front end of the sliding sleeve (12); The oil injection piece (13) is connected to the joint bearing (121) in a nested manner, and the elastic positioning piece (122) is arranged to abut against the outer side surface of the oil injection piece (13); Along the circumference of the sliding sleeve (12), a plurality of linear elastic members (14) are arranged at equal intervals.

2. The automatic oil filling device according to claim 1, characterized in that: The connecting sleeve (11) is provided with a guide groove (111); The length direction of the guide groove (111) is arranged to be consistent with the axial direction of the connecting sleeve (11); The outer side surface of the sliding sleeve (12) is provided with a guide block (12a); The guide block (12a) is slidably connected to the guide groove (111).

3. The automatic oil filling device according to claim 2, characterized in that: The front end of the sliding sleeve (12) is provided with a radially protruding annular protrusion (12b); A plurality of mounting grooves are provided on a side of the annular protrusion (12b) opposite to the connecting sleeve (11); Along the circumference of the annular protrusion (12b), a plurality of the mounting grooves are arranged at equal intervals, and the linear elastic members (14) are arranged in one-to-one correspondence with the mounting grooves; One end of the linear elastic member (14) is embedded in the installation groove, and the other end is connected to the connecting sleeve (11).

4. The automatic oil filling device according to claim 3, characterized in that: The elastic positioning member (122) comprises: a positioning guide seat (122a), a positioning plunger (122b) slidably connected to the positioning guide seat (122a), and a return spring arranged between the positioning plunger (122b) and the positioning guide seat (122a); A plurality of mounting holes are arranged at equal intervals on the annular protrusion (12b) along the circumference of the annular protrusion (12b), and the axial direction of the mounting holes is consistent with the radial direction of the annular protrusion (12b); The positioning guide seat (122a) is connected to the installation hole by threading; The positioning plunger (122b) is arranged to abut against the outer side surface of the oil injection piece (13) under the elastic force of the return spring; The end surface of one end of the positioning plunger (122b) that abuts against the oil injection piece (13) is configured as a spherical surface.

5. The automatic oil filling device according to claim 4, characterized in that: The oil injection piece (13) comprises: a hollow tube (131), and a pipeline connector (132) and an oil injection docking piece (133) respectively arranged at two opposite ends of the hollow tube (131); The pipeline connector (132) and the oil injection connector (133) are respectively threadedly connected to the hollow tube (131); The hollow tube (131) is connected to the spherical bearing (121); The oil injection docking piece (133) has an oil injection channel for oil injection, and a conical docking port (133a) is provided at one end of the oil injection channel away from the hollow tube (131); The conical docking port (133a) comprises: a first conical portion (133a1) and a second conical portion (133a2); Along a direction away from the hollow tube (131), the first tapered portion (133a1) and the second tapered portion (133a2) are coaxially arranged in sequence; The taper angle of the first tapered portion (133a1) is smaller than the taper angle of the second tapered portion (133a2).

6. The automatic oil filling device according to claim 5, characterized in that: The oil injection assembly (1) further comprises: a micro switch (15); A mounting support (11a) is provided on the outer side of the connecting sleeve (11), and the micro switch (15) is connected to the mounting support (11a); The end of the annular protrusion (12b) adjacent to the connecting sleeve (11) is arranged to contact the movable end of the micro switch (15); A guiding inclined surface (12b1) is provided at a position where the annular protrusion (12b) contacts the movable end of the micro switch (15); In a direction away from the connecting sleeve (11), the radial height between the guiding inclined surface (12b1) and the sliding sleeve (12) is gradually increased.

7. The automatic oil filling device according to claim 6, characterized in that: The oil injection assembly (1) further comprises: an oil injection gun drive (16), a flow meter (17) and an oil injection gun (18); The input port of the grease gun (18) is connected to the flow meter (17), and the output port is connected to the pipeline connector (132); The grease gun drive (16) is connected to the switch handle of the grease gun (18) and is used to control the switch of the grease gun (18).

8. The automatic oil filling device according to claim 7, characterized in that: The oil storage assembly (3) comprises: a carrier (31), an oil pump (32) arranged on the carrier (31), and an oil storage barrel (33) installed at the inlet of the oil pump (32); The outlet of the oil pump (32) is connected to the oil injection assembly (1).

9. The automatic oil filling device according to claim 8, characterized in that: Also includes: Oil nozzle cleaning device (4); The nozzle cleaning device (4) and the industrial robot (2) are spaced apart from each other; The oil nozzle cleaning device (4) comprises: a bracket (41), an electric brush sweeping mechanism (42) supported on the bracket (41), a dust cover (43) sleeved on the electric brush sweeping mechanism (42), and a dust removal mechanism (44) arranged adjacent to the electric brush sweeping mechanism (42); The electric brushing mechanism (42) comprises: a brushing motor (421), a brushing shaft (422) connected to the brushing motor (421), and a cleaning brush (423) connected to the end of the brushing shaft (422); The dust removal mechanism (44) comprises: an air compressor, a bamboo tube (441) connected to the air compressor, and a nozzle arranged at the end of the bamboo tube (441); The nozzle is arranged adjacent to the cleaning brush (423).

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