Automatic oiling equipment for cylinder barrels

Abstract

The present invention discloses an automatic oiling device for cylinder barrels, comprising a cylinder barrel conveying mechanism and an automatic oiling mechanism disposed above the cylinder barrel conveying mechanism; the cylinder barrel conveying mechanism comprises a conveying module and a plurality of cylinder barrel positioning jigs spaced apart on the conveying module; the automatic oiling mechanism comprises a spray gun module and an oiling drive module for driving the spray gun module to move above an oiling station; the automatic oiling mechanism is provided with a cylinder barrel height adaptive module and an anti-collision module; the cylinder barrel height adaptive module is used to enable the spray gun module to automatically oil cylinder barrels of different heights; the anti-collision module is used to prevent the spray gun module from colliding with the bottom of the cylinder barrel. The present invention can shorten the oiling time of cylinder barrels, improve production efficiency, and can adaptively oil cylinder barrels of various heights. The anti-collision module can also prevent the oiling nozzle from colliding with the bottom of the cylinder barrel, thereby causing damage.

Description

Technical Field

[0001] The invention relates to the technical field of cylinder assembly production equipment, and in particular to an automatic oiling device for a cylinder barrel. Background Art

[0002] A cylinder is a cylindrical metal component that guides the linear reciprocating motion of a piston within its barrel. Air expands in an engine cylinder, converting thermal energy into mechanical energy. Gas is compressed in a compressor cylinder, increasing its pressure. A cylinder consists of a barrel, end caps, piston, piston rod, seals, and retaining rings. Cylinders are one of the most commonly used transmission components in automated production machinery. Compared to electric motors, they offer numerous advantages, including lower cost, simpler structure, and easier installation and control.

[0003] During the assembly and production of cylinders, the inner wall of the cylinder barrel needs to be oiled to lubricate the linear reciprocating motion of the piston. Currently, the industry generally uses manual oiling guns to oil the inner wall of the cylinder barrel, which is time-consuming and labor-intensive, with low production efficiency and unable to keep up with demand. Summary of the Invention

[0004] The purpose of the present invention is to provide an automatic cylinder barrel oiling device, which can shorten the cylinder barrel oiling time, improve production efficiency, and can adaptively oil cylinder barrels of various heights; at the same time, by setting an anti-collision module, it can prevent the oiling nozzle from colliding with the bottom of the cylinder barrel and causing damage.

[0005] In order to achieve the above objectives, the following technical solutions are adopted:

[0006] A cylinder barrel automatic oiling device comprises a cylinder barrel conveying mechanism and an automatic oiling mechanism arranged above the cylinder barrel conveying mechanism; the cylinder barrel conveying mechanism comprises a conveying module and a plurality of cylinder barrel positioning jigs arranged at intervals on the conveying module; the cylinder barrel positioning jig is used to carry and position the cylinder barrel, and the conveying module is used to drive the plurality of cylinder barrel positioning jigs to move the cylinder barrels one by one to the oiling station; the automatic oiling mechanism comprises a spray gun module and an oiling drive module for driving the spray gun module to move above the oiling station; a cylinder barrel height adaptive module and an anti-collision module are provided on the automatic oiling mechanism; the cylinder barrel height adaptive module is used to enable the spray gun module to automatically oil cylinder barrels of different heights; the anti-collision module is used to prevent the spray gun module from colliding with the bottom of the cylinder barrel.

[0007] Preferably, the spray gun module includes a nozzle assembly arranged in a vertical direction, a cylinder pressing block sleeved on the outside of the nozzle assembly, and at least a first guide module for slidingly guiding the cylinder pressing block to rise and fall.

[0008] Preferably, the nozzle assembly includes an oiling nozzle and a nozzle valve provided on the oiling nozzle; a plurality of spray holes are provided at intervals in the circumferential direction on the lower portion of the oiling nozzle.

[0009] Preferably, a first mounting frame is provided between the spray gun module and the oiling drive module; the cylinder pressure block slides through the first guide module and can be lifted and lowered relative to the first mounting frame.

[0010] Preferably, the cylinder height adaptive module includes a first sensing plate installed on the first guide module, and a first sensor installed on the first mounting frame; under the sliding guidance of the first guide module, the first sensing plate and the first sensor can be relatively close to or far away.

[0011] Preferably, the anti-collision module includes a second guide module arranged between the spray gun module and the first mounting bracket, a second sensor plate installed on the second guide module, and a second sensor arranged on the first mounting bracket; the second guide module is arranged in a vertical direction to guide the nozzle assembly to slide and rise and fall; under the sliding guiding action of the second guide module, the second sensor plate and the second sensor can be relatively close to or far away.

[0012] Preferably, it further includes an artificial oiling mechanism provided on one side of the cylinder conveying mechanism; the artificial oiling mechanism includes a jig base and a cylinder positioning jig provided on the jig base.

[0013] Preferably, the cylinder positioning jig includes a jig mounting plate and a positioning adjustment frame provided on opposite sides of the top of the jig mounting plate; a plurality of spacing adjustment holes are provided in the middle of the jig mounting plate for installing and adjusting the spacing between the two positioning adjustment frames.

[0014] Preferably, the positioning and adjustment frame includes an L-shaped bracket and an adjustment block arranged on the inner side wall of the L-shaped vertical end of the L-shaped bracket; at least one first waist-shaped hole is opened on the L-shaped vertical end of the L-shaped bracket; the adjustment block is fixedly installed through the first waist-shaped hole to adjust its position on the L-shaped bracket.

[0015] Preferably, the oiling drive module includes an X-axis drive assembly for driving the spray gun module to translate along a direction perpendicular to the length of the conveying module, a Y-axis drive assembly for driving the spray gun module to translate along the length of the conveying module, and a Z-axis drive assembly for driving the spray gun module to rise and fall.

[0016] By adopting the above scheme, the beneficial effects of the present invention are:

[0017] The automatic cylinder lubrication equipment provided by the present invention can shorten cylinder lubrication time, improve production efficiency, and can adaptively lubricate cylinders of various heights, demonstrating its versatility. Furthermore, by providing an anti-collision module, damage from collision between the oiling nozzle and the bottom of the cylinder can be effectively prevented in the event of an uncontrolled or unexpected lubrication drive module, thus providing a foolproofing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A perspective view of the present invention;

[0019] Figure 2 A perspective view of the present invention omitting the casing and the oil supply unit;

[0020] Figure 3 A three-dimensional diagram of the spray gun module of the present invention from one viewing angle;

[0021] Figure 4 A three-dimensional diagram of the spray gun module of the present invention from another perspective;

[0022] Figure 5 A three-dimensional diagram of the cylinder positioning jig of the present invention;

[0023] Figure 6 is a perspective view of the transmission module of the present invention;

[0024] The accompanying drawings illustrate:

[0025] 1—cylinder conveying mechanism, 2—automatic oiling mechanism,

[0026] 3—Transmission module, 4—Cylinder positioning fixture,

[0027] 5—Spray gun module, 6—Oil drive module,

[0028] 7—cylinder height adaptive module, 8—anti-collision module,

[0029] 9 - first mounting frame, 10 - manual oiling mechanism,

[0030] 11—cylinder, 12—oil supply machine,

[0031] 13—housing, 41—fixture mounting plate,

[0032] 42—Positioning adjustment frame, 43—Spacing adjustment hole,

[0033] 51—nozzle assembly, 52—cylinder block,

[0034] 53 - first guide module, 71 - first induction plate,

[0035] 72 - first sensor, 81 - second guide module,

[0036] 82 - second sensor plate, 83 - second sensor,

[0037] 421—L-shaped bracket, 422—adjustment block,

[0038] 423—first waist-shaped hole, 424—second waist-shaped hole,

[0039] 511—Oil-coating nozzle, 512—Nozzle valve. DETAILED DESCRIPTION

[0040] The present invention will be further described in detail below with reference to the accompanying drawings and examples. It will be understood that the specific embodiments described herein are intended only to illustrate the present invention and are not intended to limit the present invention. It should also be noted that, for ease of description, the accompanying drawings only illustrate portions relevant to the present invention, not all structures.

[0041] In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention in specific circumstances.

[0042] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Furthermore, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0043] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are used to refer to positions or locations based on those shown in the accompanying drawings. These terms are intended solely to facilitate description and simplify operation, and are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meaning.

[0044] Reference Figures 1 to 6As shown, the present invention provides an automatic oiling device for cylinder barrels, comprising a cylinder barrel conveying mechanism 1, and an automatic oiling mechanism 2 arranged above the cylinder barrel conveying mechanism 1; the cylinder barrel conveying mechanism 1 comprises a conveying module 3, and a plurality of cylinder barrel positioning jigs 4 arranged at intervals on the conveying module 3; the cylinder barrel positioning jigs 4 are used to carry and position the cylinder barrel 11, and the conveying module 3 is used to drive the plurality of cylinder barrel positioning jigs 4 to move the cylinder barrels 11 one by one to the oiling station.

[0045] In a specific embodiment, the transmission module 3 includes a servo motor, a reducer, a chain plate line body and a belt assembly. The cylinder positioning fixture 4 is detachably mounted on the belt assembly and moves intermittently with the belt assembly. The oiling station is located in the middle of the transmission module 3, and a cylinder position sensor is also provided on the oiling station. Specifically, the cylinder position sensor uses a diaphragm optical fiber module to sense whether the cylinder 11 is in place. A third sensor is installed on one of the cylinder positioning fixtures 4 on the transmission module 3, and a third sensor is provided on the chain plate line body of the transmission module 3. When the equipment is started, the equipment streamline needs to return to the origin. At this time, the third sensor senses the third sensor. Specifically, the third sensor uses a light-shielding plate, and the third sensor uses a photoelectric sensor.

[0046] The automatic oiling mechanism 2 includes a spray gun module 5 and an oiling drive module 6 for driving the spray gun module 5 to move above the oiling station; the automatic oiling mechanism 2 is provided with a cylinder height adaptive module 7 and an anti-collision module 8; the cylinder height adaptive module 7 is used to enable the spray gun module 5 to automatically oil cylinders 11 of different heights; the anti-collision module 8 is used to prevent the spray gun module 5 from colliding with the bottom of the cylinder 11.

[0047] The machine also includes a housing 13, housing the cylinder conveying mechanism 1 and the automatic lubricating mechanism 2. Housing 13 is provided with a manual loading port and a manual unloading port at each end of the housing 1, corresponding to the cylinder conveying mechanism 1. The automatic lubricating mechanism 2 is connected to an oiler 12, which uses a stainless steel dual-column grease dispenser to supply oil to the spray gun module 5. The stainless steel dual-column grease dispenser is located outside housing 13.

[0048] The spray gun module 5 includes a nozzle assembly 51 arranged in a vertical direction, a cylinder block 52 mounted on the outside of the nozzle assembly 51, and at least one first guide module 53 for slidingly guiding the cylinder block 52 to rise and fall. The nozzle assembly 51 includes an oiling nozzle 511 and a nozzle valve 512 mounted on the oiling nozzle 511; a plurality of spray holes are provided at circumferential intervals on the lower portion of the oiling nozzle 511. In addition, when the oiling nozzle 511 sprays atomized oil in the cylinder 11, the atomized oil may overflow from the upper surface of the cylinder 11. A vacuum generator is provided on the cylinder block 52, and a vacuum joint is provided on the vacuum generator, through which the overflowing atomized oil is extracted.

[0049] A first mounting frame 9 is provided between the spray gun module 5 and the oiling drive module 6 ; the cylinder pressing block 52 slides via the first guide module 53 and can be lifted and lowered relative to the first mounting frame 9 .

[0050] The cylinder height adaptive module 7 includes a first sensing piece 71 mounted on the first guide module 53, and a first sensor 72 mounted on the first mounting frame 9; under the sliding guide action of the first guide module 53, the first sensing piece 71 and the first sensor 72 can be relatively close to or far away from each other. In a specific embodiment, two first guide modules 53 are provided, and one first guide module 53 is provided on each of the opposite sides of the nozzle assembly 51. The first guide module 53 includes a guide sleeve detachably mounted on the first mounting frame 9, and a guide shaft movable through the guide sleeve, the upper end of the guide shaft is provided with a limit block, the first sensing piece 71 is mounted on the limit block, and the lower end of the guide shaft is connected to the cylinder pressure block 52. Specifically, the first sensing piece 71 adopts a light-shielding piece, and the first sensor 72 adopts a photoelectric sensor. At the initial stage of the descent of the spray gun module 5, the first sensing plate 71 is located below the first sensor 72. When the oiling drive module 6 drives the spray gun module 5 to descend until the cylinder pressure block 52 abuts against the upper surface of the cylinder 11, the heights of the first sensing plate 71 and the cylinder pressure block 52 remain unchanged. The oiling drive module 6 drives the nozzle assembly 51 and the first mounting bracket 9 to continue to descend until the first sensor 72 descends to sense the first sensing plate 71. This serves as a trigger signal, and the nozzle assembly 51 starts to oil.

[0051] The anti-collision module 8 includes a second guide module 81 provided between the spray gun module 5 and the first mounting frame 9, a second sensing plate 82 installed on the second guide module 81, and a second sensor 83 provided on the first mounting frame 9; the second guide module 81 is arranged in the vertical direction and is used to guide the nozzle assembly 51 to slide and rise and fall; under the sliding guidance of the second guide module 81, the second sensing plate 82 and the second sensor 83 can be relatively close to or away from each other. The second guide module 81 includes a slide rail fixed on the first mounting frame 9, and a slider slidably connected to the slide rail; the nozzle assembly 51 is detachably connected to the slider and can be lifted and lowered and slid on the slide rail via the slider. The second sensing plate 82 is detachably mounted on the slider. Under normal working conditions, the second sensing plate 82 is located below the second sensor 83. Specifically, the second sensing plate 82 adopts a light shielding plate, and the second sensor 83 adopts a photoelectric sensor.

[0052] A limit position is set according to the height of the inner bottom of the cylinder 11, that is, when the Z-axis drive assembly drives the nozzle assembly 51 to move downward to the limit position, it stops. If the nozzle assembly 51 continues to move downward due to loss of control or other accidents after it has descended to the limit position, in order to prevent the oiling nozzle 511 from colliding with the inner bottom of the cylinder 11 and causing damage, under the action of the second guide module 81, the nozzle assembly 51 will drive the second sensor plate 82 to slide upward (the slider slides upward on the slide rail). When the second sensor plate 82 moves upward and is sensed by the second sensor 83, this is used as a trigger signal to stop the servo motor of the Z-axis drive assembly and the nozzle assembly 51 will no longer descend, preventing the oiling nozzle 511 from colliding with the inner bottom of the cylinder 11.

[0053] The automatic oiling mechanism 2 also includes an oiling control module. When the first sensor 72 senses the first sensor plate 71, it sends a signal back to the oiling control module to control the spray gun module 5 to oil; when the second sensor 83 senses the second sensor plate 82, it sends a signal back to the oiling control module to control the Z-axis drive assembly to stop driving the nozzle assembly 51 to descend.

[0054] The system also includes a manual oiling mechanism 10, located on one side of the cylinder conveying mechanism 1. The manual oiling mechanism 10 includes a jig base and a cylinder positioning jig 4 mounted on the jig base. If a cylinder 11 is not oiled or fails to meet the oiling standards in the automatic oiling mechanism 2, the cylinder 11 is manually removed and placed on the cylinder positioning jig 4 of the manual oiling mechanism 10, where it is then oiled using a hand-held oiling gun.

[0055] The cylinder positioning jig 4 includes a jig mounting plate 41 and two positioning adjustment brackets 42 located on opposite sides of the top of the jig mounting plate 41. A plurality of spacing adjustment holes 43 are provided at intervals in the middle of the jig mounting plate 41 for installing and adjusting the spacing between the two positioning adjustment brackets 42. Specifically, the spacing adjustment holes 43 are circular holes.

[0056] The positioning and adjustment frame 42 includes an L-shaped bracket 421 and an adjustment block 422 located on the inner sidewall of the L-shaped vertical end of the L-shaped bracket 421. The L-shaped vertical end of the L-shaped bracket 421 is provided with at least one first waist-shaped hole 423. The adjustment block 422 is fixedly mounted via the first waist-shaped hole 423 to adjust its position on the L-shaped bracket 421. The outer sidewall of the L-shaped vertical end of the L-shaped bracket 421 also extends to form a mounting boss. The mounting boss of one L-shaped bracket 421 is provided with a circular hole that mates with the spacing adjustment hole 43, while the mounting boss of the other L-shaped bracket 421 is provided with a second waist-shaped hole 424. The spacing adjustment hole 43 allows for wide adjustment of the spacing between the two positioning and adjustment frames 42, while the second waist-shaped hole 424 allows for fine adjustment of the spacing between the two positioning and adjustment frames 42.

[0057] When the present invention is used to assemble and produce cylinder barrels 11 of different diameters during line change, the positioning spacing in one direction can be adjusted through the spacing adjustment hole 43 and the second waist-shaped hole 424, and the positioning spacing in the other direction can be adjusted through the adjustment block 422 and the first waist-shaped hole 423. Before the equipment is operated, all cylinder barrel positioning jigs 4 must be adjusted to a state where one cylinder barrel 11 can be just placed, so that the cylinder barrel 11 can be positioned when placed between the two positioning adjustment frames 42. The cylinder barrel 11 follows the cylinder barrel positioning jig 4 and intermittently moves on the conveying module 5. When it reaches the oiling station, the spray gun module 5 evenly oils the inner wall of the cylinder barrel 11, which lubricates the reciprocating linear motion of the piston in the cylinder barrel 11.

[0058] The oiling drive module 6 includes an X-axis drive assembly for driving the spray gun module 5 in a direction perpendicular to the length of the conveyor module 3, a Y-axis drive assembly for driving the spray gun module 5 in a direction parallel to the length of the conveyor module 3, and a Z-axis drive assembly for driving the spray gun module 5 up and down. The oiling drive module 6 is mounted above the cylinder conveyor mechanism 1 via a three-axis gantry. This three-axis drive enables the spray gun module 5 to oil the inner wall of the cylinder 11, thus achieving automatic oiling. The X-axis drive assembly, Y-axis drive assembly, and Z-axis drive assembly all include servo motors and guide slide assemblies.

[0059] The working process of the present invention is as follows:

[0060] 1) The cylinder 11 is manually placed on the first cylinder positioning jig 4 at the manual loading port. The conveying module 3 intermittently moves forward for a distance and then stops. The cylinder 11 is manually placed on the second cylinder positioning jig 4 at the manual loading port.

[0061] 2) Manually perform the above steps in sequence, loading the cylinder 11 onto the cylinder positioning jig 4 one by one;

[0062] 3) When the transfer module 3 drives the cylinder positioning fixture 4 on it to transport the cylinder 11 to the oiling station, the cylinder position sensor senses that the cylinder 11 is in place, and the Z-axis drive assembly drives the spray gun module 5 to descend;

[0063] 4) When the lower surface of the cylinder pressing block 52 abuts against the upper surface of the cylinder barrel 11, the position of the first sensing plate 71 stops moving (at this time, since the cylinder pressing block 52 abuts against the upper surface of the cylinder barrel 11, the cylinder pressing block 52 is limited in position, and thus the guide shaft and the first sensing plate 71 are also limited in position);

[0064] 5) The first sensor 72 (mounted on the first mounting bracket 9) continues to descend under the drive of the Z-axis drive assembly. When the first sensor 72 descends to sense the first sensing plate 71, the nozzle assembly 51 is triggered to begin spraying atomized oil from top to bottom toward the inner wall of the cylinder 11;

[0065] 6) The vacuum generator removes the atomized oil overflowing from the upper surface of the cylinder 11 through the vacuum joint;

[0066] 7) When the Z-axis drive assembly drives the oiling nozzle 511 to descend to the set limit position, the oiling nozzle 511 completes oiling the inner wall of the cylinder 11, and the nozzle assembly 51 stops working, and the oil spraying is completed;

[0067] 8) The nozzle assembly 51 rises a certain distance above the oiling station and continues to wait for the next cylinder 11 to arrive so as to spray oil on its inner wall;

[0068] 9) Under the intermittent transfer of the conveying module 3, the oiled cylinder barrels 11 are manually unloaded one by one at the manual unloading port.

[0069] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. A person skilled in the art would be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is not necessary and impossible to enumerate all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. An automatic cylinder oiling device, characterized in that: It includes a cylinder conveying mechanism and an automatic oiling mechanism arranged above the cylinder conveying mechanism; the cylinder conveying mechanism includes a conveying module and a plurality of cylinder positioning jigs arranged at intervals on the conveying module; the cylinder positioning jigs are used to carry and position the cylinder, and the conveying module is used to drive the plurality of cylinder positioning jigs to move the cylinders one by one to the oiling station; the automatic oiling mechanism includes a spray gun module and an oiling drive module for driving the spray gun module to move above the oiling station; the automatic oiling mechanism is provided with a cylinder height adaptive module and an anti-collision module; the cylinder height adaptive module is used to enable the spray gun module to automatically oil cylinders of different heights; the anti-collision module is used to prevent the spray gun module from colliding with the bottom of the cylinder; The spray gun module includes a nozzle assembly arranged in a vertical direction, a cylinder pressing block sleeved on the outside of the nozzle assembly, and at least one first guide module for slidingly guiding the cylinder pressing block to rise and fall; A first mounting frame is provided between the spray gun module and the oiling drive module; the cylinder pressure block slides through the first guide module and can be lifted and lowered relative to the first mounting frame; The cylinder height adaptive module includes a first sensing piece mounted on the first guide module and a first sensor mounted on the first mounting frame; under the sliding guidance of the first guide module, the first sensing piece and the first sensor can be relatively close to or away from each other; In the initial stage of the spray gun module's descent, the first sensing plate is located below the first sensor; when the oiling drive module drives the spray gun module to descend as a whole until the cylinder pressing block abuts against the upper surface of the cylinder barrel, the heights of the first sensing plate and the cylinder pressing block remain unchanged; The oiling drive module drives the nozzle assembly and the first mounting frame to continue to descend until the first sensor descends to sense the first sensor sheet, which serves as a trigger signal and the nozzle assembly starts to oil; The anti-collision module includes a second guide module disposed between the spray gun module and the first mounting frame, a second sensing plate mounted on the second guide module, and a second sensor mounted on the first mounting frame; the second guide module is arranged in a vertical direction and is used to guide the nozzle assembly to slide and rise; under the sliding guidance of the second guide module, the second sensing plate and the second sensor can be relatively moved closer or farther away; A limit position is set according to the inner bottom height of the cylinder. If the nozzle assembly descends to the limit position, the oiling drive module will continue to drive the nozzle assembly downward. Under the action of the second guide module, the nozzle assembly will drive the second sensor plate to slide upward. When the second sensor plate moves upward and is sensed by the second sensor, this is used as a trigger signal to stop the downward driving work of the oiling drive module and the nozzle assembly will no longer descend.

2. The automatic cylinder oiling equipment according to claim 1, characterized in that: The nozzle assembly includes an oiling nozzle and a nozzle valve arranged on the oiling nozzle; a plurality of spray holes are arranged at intervals in the circumferential direction on the lower part of the oiling nozzle.

3. The automatic cylinder oiling equipment according to claim 1, characterized in that: It also includes an artificial oiling mechanism arranged on one side of the cylinder conveying mechanism; the artificial oiling mechanism includes a jig base and a cylinder positioning jig arranged on the jig base.

4. The automatic cylinder oiling equipment according to claim 3, characterized in that: The cylinder positioning fixture includes a fixture mounting plate and a positioning adjustment frame provided on two opposite sides of the top of the fixture mounting plate; a plurality of spacing adjustment holes are spaced apart in the middle of the fixture mounting plate for installing and adjusting the spacing between the two positioning adjustment frames.

5. The automatic cylinder oiling equipment according to claim 4, characterized in that: The positioning and adjustment frame includes an L-shaped bracket and an adjustment block arranged on the inner side wall of the L-shaped vertical end of the L-shaped bracket; at least one first waist-shaped hole is opened on the L-shaped vertical end of the L-shaped bracket; the adjustment block is fixedly installed through the first waist-shaped hole to adjust its position on the L-shaped bracket.

6. The automatic cylinder oiling equipment according to claim 1, characterized in that: The oiling drive module includes an X-axis drive assembly for driving the spray gun module to translate along a direction perpendicular to the length of the conveying module, a Y-axis drive assembly for driving the spray gun module to translate along the length of the conveying module, and a Z-axis drive assembly for driving the spray gun module to rise and fall.

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