Uncovering-free oil supply device convenient for completely taking oil in oil drum
By designing a cap-free oil supply device, which automatically punches holes and sucks out oil using a barrel-breaking knife and an oil suction mechanism, the problem of difficult-to-open oil barrel caps in coating machines is solved. This achieves efficient and automated removal of clear varnish from the oil barrel, reducing waste and manual operation.
Patent Information
- Application Number
- CN202610049801.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-01-15
- Publication Date
- 2026-02-27
AI Technical Summary
In existing technologies, when using UV varnish in coating machines, the oil tank lid is difficult to open quickly, resulting in inconvenience in oil removal, serious waste, and unsuitability for automated production.
A lid-free oil supply device was designed, including a support, a feeding mechanism, a barrel opening mechanism, and an oil suction mechanism. The device extracts the clear oil from the oil barrel by punching holes with a barrel-breaking knife and sucking out the oil with an oil suction pipe. The device also collects the residual oil by a tilting mechanism, thus achieving automated oil extraction.
It improves the convenience of oil drum dispensing, reduces varnish waste, is suitable for automated production lines, and reduces labor intensity.
Smart Images

Figure CN121573631A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application belongs to the technical field of auxiliary equipment for printing, in particular to a cover-free oil supply device facilitating the complete removal of oil in an oil drum. BACKGROUND
[0002] The UV light oil used by the coating machine is purchased in batches from the market, and the oil drum is a black cylindrical plastic packaging drum. In order to ensure sealing and prevent leakage during transportation and storage, a very firm cover is placed on the oil drum. At present, workers use a special cover wrench to pry open the packaging drum cover. During the process of opening the cover using this wrench, the packaging drum cover needs to be prised in multiple positions multiple times. After the edge of the cover is raised, the cover can be opened with both hands. It is time-consuming and laborious. After opening, the oil is poured into the tank. Due to the usual viscosity, a lot of light oil will adhere to the side wall of the packaging drum, resulting in serious waste. Moreover, during continuous operation, the oil drum needs to be frequently transported from the storage position to the oil supply mechanism of the coating machine and installed at the oil drum oil supply position of the coating machine, which is low in working efficiency and is not conducive to integration into an automatic production line. SUMMARY
[0003] The present application provides a cover-free oil supply device facilitating the complete removal of oil in an oil drum, which can effectively improve the convenience of oil removal from the packaging drum, facilitate the removal of light oil adhering to the oil drum, and facilitate the realization of mechanization and automation.
[0004] The present application solves the above technical problems through the following technical solutions, A cover-free oil supply device facilitating the complete removal of oil in an oil drum, comprising a support, a feeding mechanism and a drum opening mechanism. The feeding mechanism and the drum opening mechanism are fixed on the support. The feeding mechanism and the drum opening mechanism are respectively arranged at the bottom and the top of the oil supply position. The feeding mechanism transports the oil drum to the oil supply position. The drum opening mechanism comprises a drum breaking mechanism, an oil suction mechanism, an inclination mechanism and a grabbing mechanism. The grabbing mechanism grabs the oil drum at the oil supply position along the top. Then the drum breaking mechanism breaks the hole of the drum cover of the oil drum. The oil inlet end of the oil suction mechanism enters the oil drum through the broken hole of the drum cover. The inclination mechanism comprises a fixed plate, an opening and closing cylinder and a movable plate. The fixed plate and the movable plate are both circular rings. One side of the movable plate is connected with the fixed plate through a openable and closable connecting piece. The other side of the movable plate is connected with the support through the opening and closing cylinder. The grabbing mechanism comprises a plurality of pressing block assemblies. The pressing block assemblies are symmetrically arranged on the bottom surface of the movable plate. The pressing block assemblies press the top of the oil drum on the bottom surface of the movable plate.
[0005] The opening barrel mechanism comprises a barrel breaking knife and a lifting cylinder, the barrel breaking knife is connected to the fixed plate, the barrel breaking knife is in a cylindrical shape, the bottom end of the barrel breaking knife is provided with a wedge-shaped blade edge, the top end of the barrel breaking knife penetrates through the movable plate, the oil inlet end of the oil suction mechanism penetrates through the middle part of the barrel breaking knife, the movable end of the lifting cylinder is connected to the top of the fixed plate, and the fixed end of the lifting cylinder is connected to the support.
[0006] The opening barrel mechanism comprises a barrel breaking knife and a lifting cylinder, the barrel breaking knife is connected to the fixed plate, the barrel breaking knife is in a cylindrical shape, the bottom end of the barrel breaking knife is provided with a wedge-shaped blade edge, the top end of the barrel breaking knife penetrates through the movable plate, the oil inlet end of the oil suction mechanism penetrates through the middle part of the barrel breaking knife, the movable end of the lifting cylinder is connected to the top of the fixed plate, and the fixed end of the lifting cylinder is connected to the support.
[0007] The opening barrel mechanism comprises a barrel breaking knife and a lifting cylinder, the barrel breaking knife is connected to the fixed plate, the barrel breaking knife is in a cylindrical shape, the bottom end of the barrel breaking knife is provided with a wedge-shaped blade edge, the top end of the barrel breaking knife penetrates through the movable plate, the oil inlet end of the oil suction mechanism penetrates through the middle part of the barrel breaking knife, the movable end of the lifting cylinder is connected to the top of the fixed plate, and the fixed end of the lifting cylinder is connected to the support.
[0008] The opening barrel mechanism comprises a barrel breaking knife and a lifting cylinder, the barrel breaking knife is connected to the fixed plate, the barrel breaking knife is in a cylindrical shape, the bottom end of the barrel breaking knife is provided with a wedge-shaped blade edge, the top end of the barrel breaking knife penetrates through the movable plate, the oil inlet end of the oil suction mechanism penetrates through the middle part of the barrel breaking knife, the movable end of the lifting cylinder is connected to the top of the fixed plate, and the fixed end of the lifting cylinder is connected to the support.
[0009] The opening barrel mechanism comprises a barrel breaking knife and a lifting cylinder, the barrel breaking knife is connected to the fixed plate, the barrel breaking knife is in a cylindrical shape, the bottom end of the barrel breaking knife is provided with a wedge-shaped blade edge, the top end of the barrel breaking knife penetrates through the movable plate, the oil inlet end of the oil suction mechanism penetrates through the middle part of the barrel breaking knife, the movable end of the lifting cylinder is connected to the top of the fixed plate, and the fixed end of the lifting cylinder is connected to the support.
[0010] The opening barrel mechanism comprises a barrel breaking knife and a lifting cylinder, the barrel breaking knife is connected to the fixed plate, the barrel breaking knife is in a cylindrical shape, the bottom end of the barrel breaking knife is provided with a wedge-shaped blade edge, the top end of the barrel breaking knife penetrates through the movable plate, the oil inlet end of the oil suction mechanism penetrates through the middle part of the barrel breaking knife, the movable end of the lifting cylinder is connected to the top of the fixed plate, and the fixed end of the lifting cylinder is connected to the support.
[0011] Compared with existing technologies, this invention uses a lifting cylinder to drive a barrel-breaking blade to drill a hole in the top cover of the oil drum. As the barrel-breaking blade moves downwards, the tip of the blade first contacts the lid. As the blade continues to move downwards, the blade is fully inserted under the lid, creating a hole. The cut fragments are pressed down below the lid. Because the central angle of the blade is greater than 270° and less than 300°, a portion of the cut fragments remains connected to the lid. This portion is located below the anti-breakage section, preventing the cut fragments from falling into the oil drum and reducing varnish contamination.
[0012] The drum-breaking knife has a cylindrical structure, and its internal space, through which an oil suction pipe and sleeve are used to suck up UV varnish from the packaging drum. A clamping assembly stably secures the drum, preventing it from falling during the drum-breaking process. The device boasts high reliability.
[0013] As the oil drum is consumed, the varnish adhering to the drum wall can flow to the bottom. By incorporating a tilting mechanism, the residual oil can be collected at the bottom of the drum, greatly reducing the time required to remove the varnish adhering to the drum wall and minimizing waste. This invention allows the packaging drum to be opened without removing the lid, facilitating the subsequent transfer of UV varnish. The process requires no manual intervention, saving manpower and reducing labor intensity. It also facilitates loading and unloading of intelligent transport vehicles and integrates easily with automated production lines. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 yes Figure 1 Enlarged view of part A in the middle; Figure 3 This is a schematic diagram of the barrel-breaking knife of the present invention; Figure 4 This is a bottom view of the barrel-breaking knife of the present invention; Figure 5 This is a schematic diagram of the oil suction mechanism of the present invention; Figure 6 This is a schematic diagram of the tilting mechanism of the present invention (the oil drum is not tilted). Figure 7 This is a schematic diagram of the structure of the present invention (oil drum tilted). The markings in the attached diagram represent: 1. Bracket, 2. Pressing block assembly, 3. Fixing plate, 3-1. Connector, 4. Opening and closing cylinder, 5. Movable plate, 6. Barrel-breaking knife, 7. Lifting cylinder, 8. Connecting plate, 9. Second hinge, 10. Blade section, 11. Anti-breakage section, 12. Extension cylinder, 13. Oil suction sleeve, 14. Oil suction pipe, 15. Spring, 16. Telescopic cylinder, 17. First hinge, 18. Top block, 19. Side oil inlet, 20. Gripping mechanism, 22. Sliding cavity, 23. Boss. DETAILED DESCRIPTION
[0015] The specific embodiments of the present application are described in further detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present application.
[0016] As Figures 1 to 7 , the present application includes a bracket 1, a feeding mechanism and a barrel opening mechanism, the feeding mechanism and the barrel opening mechanism are respectively arranged at the bottom and the top of the oil supply position, the feeding mechanism moves the oil barrel to the oil supply position, the barrel opening mechanism includes a barrel breaking mechanism, an oil suction mechanism, an inclination mechanism and a grabbing mechanism 20, the grabbing mechanism 20 grabs the upper side of the oil barrel at the oil supply position, then the barrel breaking mechanism breaks the barrel cover of the oil barrel, the oil suction end of the oil suction mechanism enters the oil barrel through the broken hole of the barrel cover; the inclination mechanism includes a fixed plate 3, an opening and closing cylinder 4 and a movable plate 5, the fixed plate 3 and the movable plate 5 are both circular rings, one side of the movable plate 5 is connected with the fixed plate 3 through a openable and closable connecting piece 3-1, the other side of the movable plate 5 is connected with the bracket 1 through the opening and closing cylinder 4; the grabbing mechanism 20 includes a plurality of pressing block assemblies 2, the pressing block assemblies 2 are arranged at the bottom of the movable plate 5; the pressing block assemblies 2 press the top of the oil barrel on the bottom surface of the movable plate 5.
[0017] Through the above setting and referring to Figure 7 , the oil in the oil barrel can be sucked out for use after the top of the oil barrel is punched. The hole opening position of the barrel cover of the barrel breaking mechanism is close to one side of the opening and closing cylinder 4. When the oil in the barrel is gradually consumed, the opening and closing cylinder 4 is elongated to tilt the movable plate 5, the oil barrel close to one side of the opening and closing cylinder 4 is lowered and tilted, and finally the bottom of the oil barrel close to one side of the opening and closing cylinder 4 forms the lowest point, the residual oil in the oil barrel is collected at the lowest point of the oil barrel, and the oil suction mechanism sucks out the oil at this point to reduce waste. The many inconveniences of manual opening and taking oil are avoided.
[0018] In order to ensure that the movable plate 5 can be smoothly opened and closed, a connecting plate 8 and two second hinge pieces 9 are further arranged, the top of the connecting plate 8 is fixed with the movable plate 5, the bottom of the connecting plate 8 is connected with the cylinder barrel of the opening and closing cylinder 4 through the second hinge piece 9, and the cylinder rod of the opening and closing cylinder 4 is connected with the bracket 1 through the second hinge piece 9. The hinge shafts of the two second hinge pieces 9 are arranged in parallel, which can realize the inclination of the opening and closing cylinder 4 at multiple angles to match the position change of the movable plate 5 in the opening and closing process, and prevent the oil barrel from being stuck during the tilting process.
[0019] The oil suction mechanism includes an extension cylinder 12, an oil suction sleeve 13, an oil suction pipe 14, and a spring 15. The lower part of the oil suction sleeve 13 has a sliding cavity 22, the diameter of which is slightly larger than the diameter of the sleeve. The top of the oil suction pipe 14 has a boss 23, the diameter of which matches the diameter of the sliding cavity 22. The top of the pipe 14 is located inside the cavity 22. The spring 15 is located inside the cavity 22, with its two ends abutting against the boss 23 and the top edge of the cavity 22, respectively. The extension cylinder 12 drives the oil suction sleeve 13 and the oil suction pipe 14 through the middle of the barrel-breaking knife 6 and into the oil drum. After the barrel-breaking knife 6 makes an opening, the extension cylinder 12 drives the oil suction pipe 14 into the clear oil in the oil drum. The spring 15 ensures that the lower edge of the suction pipe 14 is tightly fitted against the bottom wall of the oil drum. Meanwhile, when the oil drum is tilted, the spring 15 allows for a certain degree of extension and retraction of the oil suction mechanism, ensuring that the lower edge of the oil suction pipe 14 always rests against the bottom of the oil drum, facilitating the complete removal of the clear coat from the bottom of the drum. Furthermore, to prevent the lower edge of the oil suction pipe 14 from being too close to the bottom of the oil drum and affecting oil intake, a side oil inlet 19 is provided. The side oil inlet 19 is located at the edge of the bottom end of the oil suction pipe 14. The side oil inlet 19 is a notch formed at the bottom end of the oil suction pipe 14. The top of the oil suction sleeve is connected to the oil supply port of the coating machine.
[0020] Preferably, each pressing block assembly 2 includes a telescopic cylinder 16, a first hinge 17, and a top block 18. The telescopic cylinder 16 is connected to the movable plate 5. The middle part of the top block 18 is connected to the movable plate 5 via the first hinge 17. One end of the top block 18 is connected to the cylinder rod of the telescopic cylinder 16, and the other end can abut against the bottom edge of the oil drum. By extending or retracting the telescopic cylinder 16, the top block 18 at the other end of the first hinge 17 can be pried up or down, thereby lifting the bottom edge of the oil drum and pressing it onto the movable plate 5 to maintain the stability of the oil drum.
[0021] Furthermore, the barrel opening mechanism includes a barrel-breaking knife 6 and a lifting cylinder 7. The barrel-breaking knife 6 is fixedly connected to the fixed plate 3. The barrel-breaking knife 6 is cylindrical, with a wedge-shaped blade at its bottom end. The top end of the barrel-breaking knife 6 passes through the movable plate 5 and the fixed plate 3. The oil inlet end of the oil suction mechanism passes through the middle of the barrel-breaking knife 6. The movable end of the lifting cylinder 7 is connected to the top of the fixed plate 3, and the fixed end of the lifting cylinder 7 is connected to the bracket 1. The lifting cylinder 7 drives the movable plate 5 and the fixed plate 3 to move downwards, allowing the barrel-breaking knife 6 to drill a hole in the top cover of the oil drum. Then, the oil inlet end of the oil suction mechanism enters the oil drum through the barrel-breaking knife 6 to suck up the oil.
[0022] In order to prevent the cut barrel cover from falling into the oil cylinder after the barrel is broken, the bottom end of the barrel breaking knife 6 comprises a knife edge section 10 and a breakage prevention section 11, the knife edge section 10 is wedge-shaped and located at the bottom of the barrel breaking knife 6, the central angle of the knife edge section 10 is greater than 270° and less than 300°, the breakage prevention section 11 is cylindrical and arranged above the knife edge section 10, and the knife edge section 10 and the breakage prevention section 11 jointly form the bottom edge of the barrel breaking knife 6. When the barrel breaking knife 6 moves downward, the tip of the knife edge section 10 first contacts the barrel cover, and as the barrel breaking knife 6 continues to move downward, the knife edge section 10 is fully inserted below the barrel cover, and the barrel cover is opened to form a hole. The cut fragments are pressed below the barrel cover, and as the central angle of the knife edge section 10 is greater than 270°, part of the cut fragments is still connected with the barrel cover, which is located below the breakage prevention section 11, so as to prevent the cut fragments from falling into the oil cylinder and reduce the pollution to the pure oil in the barrel.
[0023] The working process is as follows: the extension cylinder drives the moving seat to extend out of the coating machine, the opening and closing cylinder 4 drives the clamping jaw to contract to hold the oil drum, then the lifting cylinder contracts to lift the oil drum, then the extension cylinder retracts to pull the moving seat back to the oil supply position, and the lifting cylinder extends to drop the oil drum at the oil supply position. Then, the extension cylinder 16 of the grabbing mechanism 20 is extended, the top block 18 lifts the bottom edge of the oil drum, the oil drum is lifted and fixed, then the barrel breaking knife 6 is lowered to open a hole, and the oil suction pipe 14 is inserted into the bottom of the oil cylinder to perform oil suction. When the oil in the barrel is gradually consumed, the opening and closing cylinder 4 is extended to tilt the movable plate 5, the side of the oil cylinder close to the opening and closing cylinder 4 is lowered and tilted, the residual oil in the oil drum is collected at the lowest point of the oil drum, under the action of the spring 15, the oil suction pipe 14 is lowered to make the bottom of the oil suction pipe 14 fit the bottom of the oil drum, and the oil suction mechanism extracts the oil at the point to reduce waste and avoid the inconvenience of manual opening of the cover to take oil.
[0024] After the oil in the oil cylinder is taken out, the reverse action can withdraw each mechanism until the oil drum is withdrawn to the outside of the coating machine.
[0025] The present application can match the intelligent feeding production line to realize the matching of upper and lower processes with the automatic production line.
[0026] The above description is only the preferred embodiment of the present application, and it should be pointed out that, for ordinary skilled persons in the technical field, some improvements and modifications can be made without departing from the technical principles of the present application, and these improvements and modifications should also be regarded as the protection scope of the present application.
Claims
1. A capless oil supply device for easily emptying oil from an oil drum, characterized in that, The system includes a support (1), a feeding mechanism, and a barrel opening mechanism. The feeding mechanism and the barrel opening mechanism are fixed on the support (1) and are respectively located at the bottom and top of the oil supply position. The feeding mechanism moves the oil barrel to the oil supply position. The barrel opening mechanism includes a barrel breaking mechanism, an oil suction mechanism, a tilting mechanism, and a gripping mechanism (20). The gripping mechanism (20) grips the upper edge of the oil barrel at the oil supply position, and then the barrel breaking mechanism breaks a hole in the barrel lid. The oil inlet end of the oil suction mechanism enters the oil barrel through the hole in the barrel lid. The tilting mechanism includes a fixed support (1), a feeding mechanism, and a barrel opening mechanism. The fixed plate (3), the opening and closing cylinder (4), and the movable plate (5) are all annular. One side of the movable plate (5) is connected to the fixed plate (3) through an openable connector (3-1), and the other side of the movable plate (5) is connected to the bracket (1) through the opening and closing cylinder (4). The gripping mechanism (20) includes multiple pressing block assemblies (2). The pressing block assemblies (2) are symmetrically arranged on the bottom surface of the movable plate (5). The pressing block assemblies (2) press the top of the oil drum onto the bottom surface of the movable plate (5).
2. The oil supply device without opening the cap as described in claim 1, which facilitates the emptying of oil from an oil drum, is characterized in that... The barrel opening mechanism includes a barrel breaking knife (6) and a lifting cylinder (7). The barrel breaking knife (6) is connected to the fixed plate (3). The barrel breaking knife (6) is cylindrical and has a wedge-shaped blade at the bottom. The top of the barrel breaking knife (6) passes through the movable plate (5). The oil inlet end of the oil suction mechanism passes through the middle of the barrel breaking knife (6). The movable end of the lifting cylinder (7) is connected to the top of the fixed plate (3), and the fixed end of the lifting cylinder (7) is connected to the bracket (1).
3. The oil supply device without opening the cap as described in claim 2, which facilitates the emptying of oil from an oil drum, is characterized in that... It is also provided with a connecting plate (8) and two second hinges (9). The top of the connecting plate (8) is fixed to the movable plate (5), and the bottom of the connecting plate (8) is connected to the cylinder of the opening and closing cylinder (4) through the second hinges (9). The cylinder rod of the opening and closing cylinder (4) is connected to the bracket (1) through the second hinges (9). The hinge axes of the two second hinges (9) are arranged in parallel.
4. The oil supply device without opening the cap as described in claim 3, which facilitates the emptying of oil from an oil drum, is characterized in that... The bottom end of the barrel-breaking knife (6) includes a blade section (10) and an anti-breakage section (11). The bottom edge of the blade section (10) is wedge-shaped, and the central angle α of the blade section (10) is greater than 270° and less than 300°. The bottom edge of the anti-breakage section (11) is horizontal, and the anti-breakage section (11) is located above the blade section (10). The blade section (10) and the anti-breakage section (11) together form the bottom edge of the barrel-breaking knife (6).
5. The oil supply device without opening the cap as described in claim 4, which facilitates the emptying of oil from an oil drum, is characterized in that... The oil suction mechanism includes an extension cylinder (12), an oil suction sleeve (13), an oil suction pipe (14), and a spring (15). The lower part of the oil suction sleeve (13) is provided with a sliding cavity (22), the diameter of which is slightly larger than that of the oil suction sleeve (13). The top end of the oil suction pipe (14) is provided with a boss (23), the diameter of which matches that of the sliding cavity (22). The top of the oil suction pipe (14) is located inside the sliding cavity (22). The spring (15) is located inside the sliding cavity (22), and the two ends of the spring (15) abut against the boss (23) and the top edge of the sliding cavity (22), respectively. The extension cylinder (12) drives the oil suction sleeve (13) and the oil suction pipe (14) to pass through the middle of the barrel breaking knife (6) and enter the oil barrel.
6. The oil supply device without opening the cap as described in claim 5, which facilitates the emptying of oil from an oil drum, is characterized in that... Each pressing block assembly (2) includes a telescopic cylinder (16), a first hinge (17), and a top block (18). The telescopic cylinder (16) is connected to the movable plate (5). The middle part of the top block (18) is connected to the movable plate (5) through the first hinge (17). One end of the top block (18) is connected to the cylinder rod of the telescopic cylinder (16), and the other end can abut against the bottom edge of the oil drum.
7. The oil supply device without opening the cap as described in claim 6, which facilitates the emptying of oil from an oil drum, is characterized in that... It is also provided with a side oil inlet (19), which is located at the edge of the bottom end of the oil suction pipe (14); the side oil inlet (19) is a notch opened at the bottom end of the oil suction pipe (14).