Automatic oil brushing device for electro-hydraulic servo bending machine and implementation method thereof

Abstract

The present invention discloses an automatic oil brush device for an electro-hydraulic servo bending machine and an implementation method thereof, which belongs to the technical field of automatic oil brush devices and solves the problems of oil overflow, serious oil pollution and high oil use cost. The automatic oil brush device for an electro-hydraulic servo bending machine includes a bending tool, a bending mold, an oil brush mechanism, an oil brush bracket and a driving mechanism. An oil brush mechanism is provided between the bending tool and the bending mold, one end of the oil brush bracket is fixedly connected with the oil brush mechanism, and the other end of the oil brush bracket is fixedly connected with the driving mechanism. The vibration of the driving motor is utilized to squeeze the oil-containing sponge by the surrounding supporting skeleton and columns, so that the oil overflows, the surface of the bending tool and the mold is maintained, the dust and debris on the surface are brushed off, and the wear of the workpiece during the bending process is reduced. The oil-containing sponge absorbs the excess oil after being not squeezed, so as to prevent oil overflow, maintain the cleanliness of the processing environment, and reduce the oil supply cost.

Description

Technical Field

[0001] The invention relates to the technical field of automatic oil brushing devices, and in particular to an automatic oil brushing device of an electro-hydraulic servo bending machine and an implementation method thereof. Background Art

[0002] CNC bending machine uses the equipped mold (general or special mold) to bend the cold metal sheet into workpieces of various geometric cross-sectional shapes. It is a sheet forming machine designed for cold rolled sheet metal processing, and is widely used in sheet bending processing in industries such as automobiles, aircraft manufacturing, light industry, shipbuilding, containers, elevators, and railway vehicles; while the electro-hydraulic servo bending machine is a CNC bending machine with two main oil cylinders on both sides synchronously using German imported electro-hydraulic servo valves and German HEIDENHAIN company grating rulers to form a closed-loop control, precise feedback, accurate slider operation, so as to achieve high bending accuracy and slider repeat positioning accuracy.

[0003] Patent No. CN201120100002.X discloses a lubricating device for a bending machine slider, which belongs to the technical field of bending machines and is installed on the frame of the bending machine. It includes a lubricating oil injector, which is arranged on the frame of the bending machine; an oil spray nozzle, which is arranged on the top of the frame of the bending machine and sprays to the gap between the slider friction plate and the vertical guide rail of the bending machine; an oil pipe connecting the lubricating oil injector and the oil spray nozzle, and the oil pipe is installed on the frame.

[0004] Patent No. CN201920431229.9 discloses an automatic oil brushing mechanism for a bending machine and a bending machine, including an oil supply mechanism and an oil brushing mechanism installed on the bending machine, the oil supply mechanism includes a first driving mechanism, an oil box connected to the first driving mechanism, the oil brushing mechanism includes a linear slide installed on the bending machine, a brush sliding along the linear slide, and a second driving mechanism driving the brush to slide, the first driving mechanism drives the oil box to move so that the brush extends into the oil box. However, the oil supply and oil overflow problems of the above patents are prone to occur, resulting in a messy processing environment, oil pollution, increased oil use costs, and the bent workpiece will also be contaminated with a large area of ​​oil. Summary of the invention

[0005] The purpose of the present invention is to provide an automatic oil brushing device for an electro-hydraulic servo bending machine and an implementation method thereof, wherein the driving motor vibrates to drive the oil-containing sponge to be squeezed by the surrounding supporting skeleton and columns, and the oil overflows and impregnates the surface of the bending tool and the mold, thereby maintaining the surface of the bending tool and the mold, brushing off the dust and debris on the surface, reducing the wear of the workpiece during the bending process, and the oil-containing sponge absorbs the excess oil after being squeezed, thereby preventing oil overflow, maintaining the cleanliness of the processing environment, and reducing the oil supply cost, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an automatic oil brush device for an electro-hydraulic servo bending machine, comprising a bending tool, a bending die, an oil brush mechanism, an oil brush bracket and a driving mechanism, wherein an oil brush mechanism is arranged between the bending tool and the bending die, one end of the oil brush bracket is fixedly connected to the oil brush mechanism, and the other end of the oil brush bracket is fixedly connected to the driving mechanism.

[0007] Furthermore, the oil brushing mechanism includes a supporting frame, a left-side oil-containing component, a right-side oil-containing component, a tool oil brushing component and a mold oil brushing component. The left-side oil-containing component is installed on the upper left end of the supporting frame, the right-side oil-containing component is installed on the upper right end of the supporting frame, the upper end of the supporting frame is rotatably connected to the tool oil brushing component, and the lower end of the supporting frame is rotatably connected to the mold oil brushing component.

[0008] Furthermore, the supporting skeleton includes a Y-shaped bracket, side ears, an oil groove, an upper column and a lower column, both sides of the upper end of the Y-shaped bracket extend outward to form side ears, the side ears on both sides of the Y-shaped bracket are respectively fixedly connected with a left oil-containing component and a right oil-containing component, and an oil groove is opened in the middle of the side ears, and the oil groove extends downward to the upper column, the inner walls on both sides of the upper end of the Y-shaped bracket are respectively fixedly connected with an upper column, and the outer walls on both sides of the lower end of the Y-shaped bracket are respectively fixedly connected with a lower column.

[0009] Furthermore, a tool oil brushing assembly is rotatably connected to the upper column, and the bending tool moves downward and is inserted between the two tool oil brushing assemblies. A mold oil brushing assembly is rotatably connected to the lower column, and the two mold oil brushing assemblies are respectively located downward on the side walls on both sides of the bending mold.

[0010] Furthermore, the left oil-containing component and the right oil-containing component have the same structure, and the left oil-containing component includes an elastic bladder and an oil storage sponge. The interior of the elastic bladder is filled with the oil storage sponge, and a through hole is provided at the lower end of the elastic bladder, which is interconnected with the oil tank.

[0011] Furthermore, the tool oil brushing assembly and the mold oil brushing assembly have the same structure, and the tool oil brushing assembly includes bristles, an elastic outer mesh layer, a hard inner mesh layer and an oil-containing sponge. The elastic outer mesh layer and the hard inner mesh layer are filled with an oil-containing sponge, and bristles are arranged on the outer wall of the elastic outer mesh layer. The hard inner mesh layer is cylindrical.

[0012] Furthermore, the driving mechanism includes a driving motor, a T-shaped linear slide, a driving rack, a driving gear and a slide plate. The oil brush bracket is fixedly connected to the slide plate by bolts. The driving motor is installed on the slide plate. The output end of the driving motor is connected to the driving gear. The driving gear and the driving rack are meshed with each other. A T-shaped linear slide parallel to each other is arranged on one side of the driving rack, and the slide plate is slidably connected to the T-shaped linear slide.

[0013] Furthermore, a lifting assembly is arranged in the middle of the Y-shaped bracket, and the lifting assembly includes a hydraulic cylinder and a guide column, and guide columns are arranged on both sides of the hydraulic cylinder.

[0014] Furthermore, the guide column is composed of a rod body and a tube body, and the rod body is inserted into the tube body and slides up and down along the tube body.

[0015] According to another aspect of the present invention, a method for implementing an automatic oil brushing device of an electro-hydraulic servo bending machine is provided, comprising the following steps:

[0016] S101: After the bending tool moves upward, the driving mechanism starts;

[0017] S102: The driving mechanism drives the oil brush mechanism to move from the left end to the right end of the bending die;

[0018] S103: the oil brush mechanism moves to the right end of the bending die, then separates from the bending die and stops;

[0019] S104: The workpiece to be bent is placed on the bending die, and the bending tool moves downward to complete the bending of the workpiece;

[0020] S105: The workpiece is removed, and the driving mechanism drives the oil brush mechanism to move from the right end to the left end of the bending die;

[0021] S106: The oil brush mechanism moves to the left end of the bending die, then detaches from the bending die and stops.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. The automatic oil brushing device of an electro-hydraulic servo bending machine and its implementation method proposed by the present invention drive the driving gear to rotate through the driving motor, thereby driving the slide plate, the oil brush mechanism and the oil brush bracket to move along the surface of the bending tool and the mold. During the movement, the driving motor vibrates, thereby driving the oil-containing sponge to be squeezed by the surrounding support skeleton and the column, and the oil overflows, and the oil soaks the surface of the bending tool and the mold, thereby maintaining the surface of the bending tool and the mold, brushing off the dust and debris on the surface, reducing the wear of the workpiece during the bending process, and the oil-containing sponge absorbs the excess oil after being squeezed, preventing oil overflow, maintaining the cleanliness of the processing environment, and reducing the oil supply cost;

[0024] 2. The present invention proposes an automatic oil brushing device for an electro-hydraulic servo bending machine and an implementation method thereof, which supplies oil by squeezing an oil storage sponge, so that the oil can flow along the oil tank and the column to the oil-containing sponge in sequence, forming an oil supply line from top to bottom, thereby achieving the purpose of automatic oil supply and automatic oil brushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1This is an overall structural diagram of the automatic oil brushing device of the electro-hydraulic servo bending machine in the first embodiment of the present invention;

[0026] Figure 2 It is a connection diagram of the oil brush mechanism of the automatic oil brush device of the electro-hydraulic servo bending machine in the first embodiment of the present invention;

[0027] Figure 3 This is a structural diagram of the oil brush mechanism of the automatic oil brush device of the electro-hydraulic servo bending machine in the first embodiment of the present invention;

[0028] Figure 4 This is a structural diagram of the support frame of the automatic oil brush device of the electro-hydraulic servo bending machine in the first embodiment of the present invention;

[0029] Figure 5 It is a structural diagram of the left oil-containing component of the automatic oil brush device of the electro-hydraulic servo bending machine in the first embodiment of the present invention;

[0030] Figure 6 This is a structural diagram of a tool oil brushing assembly of an automatic oil brushing device of an electro-hydraulic servo bending machine in the first embodiment of the present invention;

[0031] Figure 7 This is a structural diagram of a lifting assembly of an automatic oil brushing device of an electro-hydraulic servo bending machine in the second embodiment of the present invention;

[0032] Figure 8 The present invention is a flow chart of the implementation method of the automatic oil brushing device of the electro-hydraulic servo bending machine.

[0033] In the figure: 1. bending tool; 2. bending mold; 3. oil brush mechanism; 31. supporting frame; 311. Y-shaped bracket; 312. side ears; 313. oil tank; 314. upper column; 315. lower column; 316. lifting assembly; 317. hydraulic cylinder; 318. guide column; 32. left oil-containing assembly; 321. elastic bladder; 322. oil storage sponge; 33. right oil-containing assembly; 34. tool oil brush assembly; 341. bristles; 342. elastic outer mesh layer; 343. hard inner mesh layer; 344. oil-containing sponge; 35. mold oil brush assembly; 4. oil brush bracket; 5. driving mechanism; 51. driving motor; 52. T-shaped linear slide rail; 53. driving rack; 54. driving gear; 55. slide plate. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Embodiment 1

[0036] See also Figure 1 to Figure 2 An automatic oil brush device for an electro-hydraulic servo bending machine comprises a bending tool 1, a bending die 2, an oil brush mechanism 3, an oil brush bracket 4 and a driving mechanism 5. The oil brush mechanism 3 is arranged between the bending tool 1 and the bending die 2, one end of the oil brush bracket 4 is fixedly connected to the oil brush mechanism 3, and the other end of the oil brush bracket 4 is fixedly connected to the driving mechanism 5.

[0037] The driving mechanism 5 includes a driving motor 51, a T-shaped linear guide rail 52, a driving rack 53, a driving gear 54 and a slide plate 55. The oil brush bracket 4 is fixedly connected to the slide plate 55 by bolts. The driving motor 51 is installed on the slide plate 55. The output end of the driving motor 51 is connected to the driving gear 54. The driving gear 54 and the driving rack 53 are meshed with each other. A T-shaped linear guide rail 52 parallel to each other is arranged on one side of the driving rack 53. The slide plate 55 is slidably connected to the T-shaped linear guide rail 52. The driving motor 51 drives the driving gear 54 to rotate, thereby The movable slide 55, the oil brush mechanism 3 and the oil brush bracket 4 move along the surface of the bending tool 1 and the bending mold 2. During the movement, the driving motor 51 vibrates, thereby driving the oil-containing sponge 344 to be squeezed by the surrounding support frame 31 and the column, and the oil overflows. The oil soaks the surface of the bending tool 1 and the bending mold 2, and the surface of the bending tool 1 and the bending mold 2 is maintained, and the dust and debris on the surface are brushed off to reduce the wear of the workpiece during the bending process. The oil-containing sponge 344 absorbs excess oil after being not squeezed to prevent oil overflow, maintain the cleanliness of the processing environment, and reduce the oil supply cost.

[0038] See also Figure 3 The oil brushing mechanism 3 includes a supporting frame 31, a left oil-containing component 32, a right oil-containing component 33, a tool oil brushing component 34 and a mold oil brushing component 35. The left oil-containing component 32 is installed on the upper left end of the supporting frame 31, and the right oil-containing component 33 is installed on the upper right end of the supporting frame 31. The upper end of the supporting frame 31 is rotatably connected with the tool oil brushing component 34, and the lower end of the supporting frame 31 is rotatably connected with the mold oil brushing component 35. The upper column 314 is rotatably connected with the tool oil brushing component 34. The bending tool 1 moves downward and is inserted between the two tool oil brushing components 34. The lower column 315 is rotatably connected with the mold oil brushing component 35. The two mold oil brushing components 35 are respectively located downward at the side walls on both sides of the bending mold 2.

[0039] See also Figure 4The support frame 31 includes a Y-shaped bracket 311, side ears 312, an oil groove 313, an upper column 314 and a lower column 315. Both sides of the upper end of the Y-shaped bracket 311 extend outward to form side ears 312. The side ears 312 on both sides of the Y-shaped bracket 311 are respectively fixedly connected with the left oil-containing component 32 and the right oil-containing component 33, and the middle of the side ears 312 is provided with an oil groove 313, which extends downward to the upper column 314. The Y-shaped bracket 31 An upper column 314 is fixedly connected to the inner walls on both sides of the upper end of the Y-shaped bracket 311, and a lower column 315 is fixedly connected to the outer walls on both sides of the lower end of the Y-shaped bracket 311. The bending tool 1 moves downward slightly, so that the oil storage sponge 322 between the bending tool and the side ear is squeezed, and the oil flows out of the elastic bag 321 and flows into the upper column 314 and the lower column 315 along the oil groove 313. The oil contacts the hard inner mesh layer 343 and is absorbed by the oil-containing sponge 344.

[0040] See also Figure 5 The left oil-containing component 32 and the right oil-containing component 33 have the same structure. The left oil-containing component 32 includes an elastic bag 321 and an oil storage sponge 322. The interior of the elastic bag 321 is filled with the oil storage sponge 322, and a through hole is provided at the lower end of the elastic bag 321. The through hole is interconnected with the oil groove 313, and oil is supplied by squeezing the oil storage sponge 322, so that the oil can flow along the oil groove 313 and the column to the oil-containing sponge 344 in turn, forming an oil supply line from top to bottom, so as to achieve the purpose of automatic oil supply and automatic oil brushing.

[0041] See also Figure 6 The tool oil brushing assembly 34 and the mold oil brushing assembly 35 have the same structure. The tool oil brushing assembly 34 includes bristles 341, an elastic outer mesh layer 342, a hard inner mesh layer 343 and an oil-containing sponge 344. The elastic outer mesh layer 342 and the hard inner mesh layer 343 are filled with the oil-containing sponge 344. The outer wall of the elastic outer mesh layer 342 is provided with bristles 341, and the hard inner mesh layer 343 is cylindrical.

[0042] Embodiment 2

[0043] The difference between this embodiment and the first embodiment is that a lifting component 316 is added to this embodiment. The lifting component 316 can adjust the height of the Y-shaped bracket 311 to adapt to different bending tools and bending molds, and the lifting component 316 pushes the Y-shaped bracket 311 to move upward, so that the oil storage sponge 322 between the bending tool and the side ear is squeezed, and the oil flows out of the elastic bag 321 and flows into the upper column 314 and the lower column 315 along the oil groove 313. The oil contacts the hard inner mesh layer 343 and is absorbed by the oil-containing sponge 344; the moving distance of the lifting component 316 is higher than that of the bending tool 1, so the control of the oil output is higher;

[0044] See also Figure 7A lifting assembly 316 is provided in the middle of the Y-shaped bracket 311. The lifting assembly 316 includes a hydraulic cylinder 317 and a guide column 318. Guide columns 318 are provided on both sides of the hydraulic cylinder 317. The guide column 318 is composed of a rod body and a tube body. The rod body is inserted into the tube body and slides up and down along the tube body.

[0045] See also Figure 8 In order to better demonstrate the automatic oil brushing device of the electro-hydraulic servo bending machine and the process of its implementation method, this embodiment now proposes an implementation method of the automatic oil brushing device of the electro-hydraulic servo bending machine, including the following steps:

[0046] S101: After the bending tool 1 moves upward, the driving mechanism 5 is started, and the bending tool 1 is controlled by the hydraulic system of the electro-hydraulic servo bending machine and driven to move up and down to perform bending processing;

[0047] S102: the driving mechanism 5 drives the oil brush mechanism 3 to move from the left end to the right end of the bending die 2;

[0048] S103: the oil brush mechanism 3 moves to the right end of the bending die 2, then separates from the bending die 2 and remains stationary;

[0049] S104: The workpiece to be bent is placed on the bending die 2, and the bending tool 1 moves downward to complete the bending of the workpiece;

[0050] S105: The workpiece is removed, and the driving mechanism 5 drives the oil brush mechanism 3 to move from the right end to the left end of the bending mold 2;

[0051] S106: The oil brush mechanism 3 moves to the left end of the bending die 2, then separates from the bending die 2 and stops.

[0052] In summary, the present invention proposes an automatic oil brushing device for an electro-hydraulic servo bending machine and an implementation method thereof. The driving motor 51 drives the driving gear 54 to rotate, thereby driving the slide plate 55, the oil brush mechanism 3 and the oil brush bracket 4 to move along the surface of the bending tool 1 and the bending mold 2. During the movement, the driving motor 51 vibrates, thereby driving the oil-containing sponge 344 to be squeezed by the surrounding support skeleton 31 and the column, and the oil overflows. The oil is soaked on the surface of the bending tool 1 and the bending mold 2, and the surface of the bending tool 1 and the bending mold 2 is maintained, and the dust and debris on the surface are brushed off to reduce the wear of the workpiece during the bending process. The oil-containing sponge 344 absorbs excess oil after being squeezed to prevent oil overflow, maintain the cleanliness of the processing environment, and reduce the oil supply cost. The oil storage sponge 322 is squeezed to supply oil, so that the oil can flow along the oil tank 313 and the column to the oil-containing sponge 344 in turn, forming an oil supply line from top to bottom, so as to achieve the purpose of automatic oil supply and automatic oil brushing.

[0053] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatic oil brushing device for an electro-hydraulic servo bending machine, characterized in that: The invention comprises a bending tool (1), a bending die (2), an oil brush mechanism (3), an oil brush bracket (4) and a driving mechanism (5); the oil brush mechanism (3) is arranged between the bending tool (1) and the bending die (2); one end of the oil brush bracket (4) is fixedly connected to the oil brush mechanism (3); and the other end of the oil brush bracket (4) is fixedly connected to the driving mechanism (5); The oil brushing mechanism (3) comprises a support frame (31), a left oil-containing component (32), a right oil-containing component (33), a tool oil brushing component (34) and a mold oil brushing component (35); the left oil-containing component (32) is installed on the upper left end of the support frame (31), the right oil-containing component (33) is installed on the upper right end of the support frame (31), the upper end of the support frame (31) is rotatably connected to the tool oil brushing component (34), and the lower end of the support frame (31) is rotatably connected to the mold oil brushing component (35); The support frame (31) includes a Y-shaped bracket (311), side ears (312), an oil tank (313), and an upper column (314). and a lower column (315), both sides of the upper end of the Y-shaped bracket (311) extend outward to form side ears (312), the side ears (312) on both sides of the Y-shaped bracket (311) are respectively fixedly connected with a left oil-containing component (32) and a right oil-containing component (33), and an oil groove (313) is opened in the middle of the side ears (312), and the oil groove (313) extends downward to the upper column (314), the inner walls on both sides of the upper end of the Y-shaped bracket (311) are respectively fixedly connected with an upper column (314), and the outer walls on both sides of the lower end of the Y-shaped bracket (311) are respectively fixedly connected with a lower column (315); The upper column (314) is rotatably connected to a tool oil brushing assembly (34), the bending tool (1) moves downward and is inserted between the two tool oil brushing assemblies (34), the lower column (315) is rotatably connected to a mold oil brushing assembly (35), and the two mold oil brushing assemblies (35) are respectively located downward at the side walls on both sides of the bending mold (2); The left oil-containing component (32) and the right oil-containing component (33) have the same structure. The left oil-containing component (32) comprises an elastic bag (321) and an oil storage sponge (322). The elastic bag (321) is filled with the oil storage sponge (322). A through hole is provided at the lower end of the elastic bag (321), and the through hole is communicated with the oil tank (313). The tool oil brushing assembly (34) and the mold oil brushing assembly (35) have the same structure. The tool oil brushing assembly (34) comprises bristles (341), an elastic outer mesh layer (342), a hard inner mesh layer (343) and an oil-containing sponge (344). The elastic outer mesh layer (342) and the hard inner mesh layer (343) are filled with the oil-containing sponge (344). The outer wall of the elastic outer mesh layer (342) is provided with bristles (341), and the hard inner mesh layer (343) is cylindrical.

2. The automatic oil brushing device of an electro-hydraulic servo bending machine according to claim 1, characterized in that: The driving mechanism (5) comprises a driving motor (51), a T-shaped linear slide rail (52), a driving rack (53), a driving gear (54) and a slide plate (55); the oil brush bracket (4) is fixedly connected to the slide plate (55) by bolts; the driving motor (51) is mounted on the slide plate (55); the output end of the driving motor (51) is connected to the driving gear (54); the driving gear (54) and the driving rack (53) are meshed with each other; a T-shaped linear slide rail (52) parallel to each other is arranged on one side of the driving rack (53); the slide plate (55) is slidably connected to the T-shaped linear slide rail (52).

3. The automatic oil brushing device of an electro-hydraulic servo bending machine according to claim 2, characterized in that: A lifting assembly (316) is arranged in the middle of the Y-shaped bracket (311), and the lifting assembly (316) comprises a hydraulic cylinder (317) and a guide column (318), and guide columns (318) are arranged on both sides of the hydraulic cylinder (317).

4. The automatic oil brushing device of an electro-hydraulic servo bending machine as claimed in claim 3 is characterized in that: The guide column (318) is composed of a rod body and a tube body, wherein the rod body is inserted into the tube body and slides up and down along the tube body.

5. A method for implementing the automatic oil brushing device of the electro-hydraulic servo bending machine as claimed in claim 4, characterized in that: The following steps are involved: S101: After the bending tool (1) moves upward, the driving mechanism (5) starts; S102: the driving mechanism (5) drives the oil brush mechanism (3) to move from the left end to the right end of the bending mold (2); S103: the oil brush mechanism (3) moves to the right end of the bending die (2), then separates from the bending die (2) and remains stationary; S104: The workpiece to be bent is placed on the bending die (2), and the bending tool (1) moves downward to complete the bending of the workpiece; S105: The workpiece is removed, and the driving mechanism (5) drives the oil brush mechanism (3) to move from the right end to the left end of the bending mold (2); S106: The oil brush mechanism (3) moves to the left end of the bending die (2), then separates from the bending die (2) and becomes stationary.

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