Double combination oil spraying device of coiling machine

Abstract

The present application belongs to the technical field of spraying equipment, and particularly relates to a double-oil spraying device for a coiling machine, which comprises an oil receiving tank, an oil spraying assembly and a turnover assembly. Two layers of aluminum foils are arranged in the oil receiving tank at a fixed distance. The turnover assembly is arranged on the two sides of the oil receiving tank. The oil spraying assembly is connected between the two turnover assemblies. The turnover assembly comprises a mounting seat, a guide block, a sliding block and a turnover block. The guide block is arranged on one side of the mounting seat. A guide groove is formed in the guide block. The guide groove comprises an arc-shaped groove and straight grooves arranged on the two sides of the arc-shaped groove. The sliding block is slidably arranged on one side of the mounting seat. The guide rollers and connecting columns are arranged on the two sides of the turnover block. The guide rollers are slidably arranged in the guide groove. The connecting columns are rotatably arranged on the inner wall of the sliding block. The oil spraying assembly is detachably connected with the connecting columns. The device can adjust the angle of spraying according to the process requirements, reduce the installation volume, and be suitable for spraying aluminum foils with different heights to realize uniform spraying.

Description

Technical Field

[0001] This invention belongs to the technical field of spray equipment, and in particular relates to a double-oil spray device for a winding machine. Background Technology

[0002] Coiling machines are key equipment on metal sheet (such as cold-rolled steel strip, aluminum coil, stainless steel strip, etc.) processing production lines. They are mainly used to combine two or more metal strips and coil them into a single steel coil to meet the needs of subsequent processes (such as continuous annealing, coating, slitting, etc.).

[0003] Dual-coating oil is a process lubricant used for laminating or processing metal sheets or coils. Before using a coiling machine to coil the metal, it needs to be sprayed with an oil spraying device to ensure that the surface quality of the coiled product is consistently improved and meets higher production standards.

[0004] Traditional double-coil oil spraying systems for coilers have the drawback of being unable to adjust the angle. That is, the spraying system can only spray one side (top or bottom) of the sheet material, and the angle of spraying cannot be adjusted according to process requirements. At the same time, due to limitations of some equipment and space, it is difficult to install multiple spraying devices to spray the top and bottom sheets. Furthermore, traditional spraying devices often generate a large amount of oil mist during spraying, and an oil mist collection device needs to be designed to improve oil control efficiency. It is difficult to achieve comprehensiveness, uniformity, and environmental friendliness in spraying. Summary of the Invention

[0005] To address the technical problems existing in the background art, the present invention provides a double oil spraying device for a winding machine.

[0006] To achieve the above objectives, the technical solution provided by the present invention is as follows:

[0007] A double-layer oil spraying device for a coil winding machine includes an oil receiving tank, an oil spraying assembly, and a tilting assembly. The oil receiving tank contains two layers of aluminum foil spaced at a fixed distance. Tilting assemblies are located on both sides of the oil receiving tank, and an oil spraying assembly connects the two tilting assemblies. The oil spraying assembly is positioned between the two layers of aluminum foil and is used to drive the oil spraying assembly to rotate and spray the aluminum foil on either side. The tilting assembly includes a mounting base, a guide block, a slider, and a tilting block. A guide block is located on one side of the mounting base, and a guide groove is formed on the guide block. The guide groove includes an arc-shaped groove and straight grooves on both sides of the arc-shaped groove. A slider is slidably mounted on one side of the mounting base. Guide rollers and connecting columns are located on both sides of the tilting block. The guide rollers are slidably mounted in the guide groove, and the connecting columns are rotatably mounted on the inner wall of the slider. The oil spraying assembly is detachably connected to the connecting columns.

[0008] Optionally, two sliding columns are provided on one side of the mounting base. Two springs are provided on both sides of each sliding column at a fixed distance. A positioning block is slidably provided on the sliding column between the two springs. A transverse groove is provided on the inner wall of the positioning block. The transverse groove is perpendicular to the straight groove. The guide roller is slidably provided in the transverse groove. When the guide roller is located in the center of the arc groove, the two sides of the positioning block are in contact with the springs, and the springs are in a naturally extended state.

[0009] Optionally, the mounting base has a through groove inside, the flipping block is disposed inside the through groove, guide rails are respectively provided on both sides of the mounting base, and sliding parts are respectively provided on both sides of the slider, with the sliding parts cooperating on the guide rails.

[0010] Optionally, a sleeve is provided in the center of the slider, and a bearing is provided inside the sleeve, with the connecting post connected to the inner wall of the bearing.

[0011] Optionally, a first flange is provided at one end of the connecting column, the oil injection assembly includes a rectangular mounting pipe and a nozzle, two media pipes are provided inside the mounting pipe, a plurality of nozzles are evenly distributed on the mounting pipe, and a second flange is provided on both sides of the mounting pipe respectively, the first flange and the second flange are connected by bolts.

[0012] Optionally, the nozzle includes a first connector and an oil injection port. There are two first connectors, which are symmetrically arranged on both sides of the oil injection port. Several second connectors are evenly distributed on the medium pipeline. A hose is connected to the first connector. The hose passes through the installation pipe and is connected to the second interface.

[0013] Optionally, connecting seats are provided around the through groove, the guide block is detachably installed on the connecting seats, and a clearance groove is provided in the middle of the connecting seats, the clearance groove being connected to the through groove.

[0014] Optionally, the mounting base is provided with a lifting mechanism for driving the slider movement. The lifting mechanism includes a lead screw and a lead screw nut that cooperates with the lead screw. An L-shaped connecting block is provided on one side of the lead screw nut. The connecting block extends into the through groove and connects to the inner wall of the slider.

[0015] Optionally, a first bearing seat and a second bearing seat are respectively connected to both sides of the lead screw. The first bearing seat and the second bearing seat are detachably connected to the mounting base. A plurality of guide rods are connected between the first bearing seat and the second bearing seat. The lead screw nut is slidably mounted on the guide rods. A motor is mounted on the first bearing seat. The motor is connected to the lead screw through a coupling, which is sleeved on the guide rods.

[0016] The present invention has the following advantages and beneficial effects:

[0017] In this invention, two layers of aluminum foil are inserted at a fixed distance inside the oil receiving tank. A flipping component is used to connect the oil spraying component. The flipping component is used to drive the oil spraying component to rotate and align with the aluminum foil on either side for spraying, thereby achieving spraying of the plate on either side (upper or lower side). The spraying angle can be adjusted according to process requirements. The oil spraying component is set between the upper and lower layers of aluminum foil, which can reduce the installation volume and achieve oil spraying of the upper and lower layers of aluminum foil using a single oil spraying device.

[0018] In this invention, the flipping assembly is structurally designed to include a mounting base, a guide block, a slider, and a flipping block. When the slider is driven to move up and down, the flipping block moves in tandem with it. Simultaneously, the flipping block is positioned in a guide groove via a guide roller. Utilizing the arc-shaped and straight grooves in the guide groove, the flipping block is driven to rotate, achieving a 180° angle adjustment. When the guide roller transitions from a straight groove to an arc-shaped groove or vice versa, the guide roller rotates, thus flipping the flipping block. This ingenious and simple structure allows for angle adjustment using the guide groove, thereby changing the angle of the spraying assembly to align with and spray aluminum foil on either side. Furthermore, the straight groove section of the guide groove can also adjust the height of the spraying assembly, adapting to spraying aluminum foil at different heights, achieving precise and uniform spraying, and improving winding quality. Attached Figure Description

[0019] Figure 1 This is a structural diagram of the double-coil oil spraying device for the winding machine in this invention;

[0020] Figure 2 for Figure 1 Top view;

[0021] Figure 3 This is a cross-sectional view of the double-coil oil spraying device of the winding machine in the present invention, with the spraying on the upper side.

[0022] Figure 4 This is a cross-sectional view of the double-coil oil spraying device of the winding machine in the present invention, with the spraying on the lower side.

[0023] Figure 5 This is one of the structural diagrams of the flipping component in this invention;

[0024] Figure 6 This is the second structural diagram of the flipping component in this invention;

[0025] Figure 7 for Figure 5 Front view;

[0026] Figure 8 for Figure 7 Rear view;

[0027] Figure 9 for Figure 7A schematic diagram showing the guide roller sliding to the center of the arc-shaped groove;

[0028] Figure 10 This is a structural diagram of the guide roller sliding to the center of the arc-shaped groove in this invention;

[0029] Figure 11 This is a structural diagram showing the guide roller sliding to the upper side of the mounting base in this invention;

[0030] Figure 12 This is a structural diagram of the fuel injection assembly in this invention;

[0031] Figure 13 This is a cross-sectional view of the fuel injection assembly in this invention;

[0032] Figure 14 This is a structural diagram of the mounting base in this invention;

[0033] Figure 15 This is one of the structural diagrams of the guide block in this invention;

[0034] Figure 16 This is the second structural diagram of the guide block in this invention;

[0035] Figure 17 This is a structural diagram of the flip block in this invention.

[0036] Reference numerals: 1-oil receiving tank, 11-strip trough, 12-roller, 13-upper aluminum foil, 14-lower aluminum foil, 2-mounting base, 21-through groove, 22-connecting base, 23-clearance groove, 24-third connecting hole, 25-fourth connecting hole, 3-installation pipe, 31-second flange, 311-second connecting hole, 32-clamping block, 33-medium pipeline, 34-second connector, 4-nozzle, 41-oil spray nozzle, 42-first connector, 43-hose, 5-guide block, 51-guide groove, 511- Arc-shaped groove, 512-straight groove, 52-fifth connecting hole, 53-sliding column seat, 54-sliding column, 55-spring, 56-positioning block, 561-horizontal groove, 6-flipping block, 61-guide roller, 62-connecting column, 63-first flange, 64-first connecting hole, 7-motor, 71-lead screw, 72-lead screw nut, 721-connecting block, 73-first bearing seat, 74-second bearing seat, 75-coupling, 76-guide rod, 8-slider, 81-sliding part, 82-sleeve, 83-guide rail. Detailed Implementation

[0037] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of the present invention, but not all embodiments.

[0038] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0039] Example

[0040] like Figures 1-3 As shown, a double-coil oil spraying device for a coiler includes an oil receiving tank 1, an oil spraying assembly, and a turning assembly. A strip groove 11 is provided through both sides of the oil receiving tank 1. Several rotating rollers 12 are rotatably arranged inside the oil receiving tank 1. Two layers of aluminum foil, namely an upper aluminum foil 13 and a lower aluminum foil 14, are passed through the strip groove 11 and wound on the rotating rollers 12 at fixed intervals inside the oil receiving tank 1. The rollers 12 are arranged in eight ways. One roller 12 is symmetrically arranged on both sides of each strip groove 11 near the location of the strip groove 11. Four rollers 12 are arranged away from the strip groove 11 between the four rollers 12 next to the strip groove 11. With this arrangement, the upper aluminum foil 13 and the lower aluminum foil 14 are moved away from each other after entering the strip groove 11 from one side, so that there is enough gap between the upper aluminum foil 13 and the lower aluminum foil 14 to install the oil spraying component. Similarly, the upper aluminum foil 13 and the lower aluminum foil 14 are moved closer to each other and exit from the strip groove 11 on the other side. In this design, the oil spraying assembly is limited by aluminum foil on both the top and bottom sides, and is positioned around the oil receiving tank 1. Only at the strip groove 11 is there a relatively small gap between the two layers of aluminum foil. Therefore, during oil spraying, full protection is achieved from all sides, preventing oil mist from overflowing. This structure even eliminates the need for a cover on the upper layer of the oil receiving tank 1. Of course, a dust cover can be installed for dust prevention. Thus, even if oil mist is present, it can only overflow towards the aluminum foil between the strip grooves 11 on both sides, allowing the oil mist to re-contact the adjacent aluminum foil on both sides for secondary oil spraying. This avoids oil mist waste and overflow while ensuring lubrication.

[0041] like Figures 1-3 As shown, flipping components are respectively provided on both sides of the oil receiving tank 1, and mounting slots are opened on both sides of the oil receiving tank 1. The flipping components are located at the mounting slots, and an oil spraying component is connected between the two flipping components. The oil spraying component is located inside the oil receiving tank 1 and between the upper and lower layers of aluminum foil. The flipping components are used to drive the oil spraying component to rotate and align with the aluminum foil on either side for spraying. In this invention, the spraying angle can be adjusted according to process requirements; the oil spraying component is located between the upper and lower layers of aluminum foil 14, which can reduce the installation volume and achieve oil spraying of the upper and lower layers of aluminum foil 14 using a single oil spraying device.

[0042] like Figures 1 to 11 , Figures 14-17 As shown, the flipping assembly includes a mounting base 2, a guide block 5, a slider 8, and a flipping block 6. A guide block 5 is provided on one side of the mounting base 2, and a guide groove 51 is vertically formed on the guide block 5. The guide groove 51 includes an arc-shaped groove 511 and straight grooves 512 on both sides of the arc-shaped groove 511. A slider 8 is slidably mounted on one side of the mounting base 2. A guide roller 61 and a connecting post 62 are fixedly mounted on both sides of the flipping block 6. The guide roller 61 is slidably mounted in the guide groove 51, and the connecting post 62 is rotatably mounted on the inner wall of the slider 8. The oil spraying assembly is detachably connected to the connecting post 62. The center of the connecting post 62 coincides with the central axis of the straight groove 512.

[0043] Specifically, the mounting base 2 has a through groove 21 inside, the flip block 6 is set inside the through groove 21, the flip block 6 is set between the slider 8 and the guide block 5, the mounting base 2 has guide rails 83 on both sides, the slider 8 has sliding parts 81 on both sides, the sliding parts 81 are set on the guide rails 83 to realize the sliding limit of the slider 8.

[0044] Specifically, a sleeve 82 is provided in the center of the slider 8, and a bearing is provided inside the sleeve 82. The connecting post 62 is connected to the inner wall of the bearing to realize the rotational connection between the connecting post 62 and the slider 8.

[0045] The guide groove 51 includes an arc-shaped groove 511 and straight grooves 512 disposed on both sides of the arc-shaped groove 511. The arc-shaped groove 511 and the straight grooves 512 have the same width, and the widths of the straight grooves 512 and the arc-shaped groove 511 are the same as the outer diameter of the guide roller 61, to ensure that the guide roller 61 can slide in contact with the straight grooves 512 and the arc-shaped grooves 511. (Refer to...) Figure 17 The distance between the central axes of guide roller 61 and connecting column 62 is L. Similarly, as Figure 15 As shown, the distance between the middle of the straight groove 512 and the middle of the arc groove 511 is also L. This design ensures that the guide roller 61 can slide in the straight groove 512 and the arc groove 511, while ensuring that the rotating roller 12 can slide and rotate in the arc groove 511 to realize the rotation of the connecting column 62.

[0046] like Figures 4-8 As shown, at this time, the flipping block 6 is located on the lower side, the guide roller 61 is located in the straight groove 512 on the lower side, and the flipping block 6 flips and is parallel to the straight groove 512. The connecting column 62 is located directly below the guide roller 61, realizing the downward flipping of the oil spraying assembly to spray the lower aluminum foil 14.

[0047] When slider 8 is from Figure 6 As the slider 8 gradually rises, it drives the guide roller 61 to rise upwards. The guide roller 61 first enters the arc-shaped groove 511 from the lower straight groove 512, simultaneously driving the flipping block 6 to flip. Figure 9 , Figure 10 As shown, when the guide roller 61 reaches the center of the arc-shaped groove 511, the flipping block 6 rotates 90°, and the slider 8 and the guide roller 61 are on the same horizontal plane. Since the guide roller 61 is almost stationary in the center of the arc-shaped groove 511 when the flipping block 6 reaches the center, while the slider 8 is rising at a constant speed, the movement of the guide roller 61 lags behind that of the slider 8 when it reaches the center of the arc-shaped groove 511. This causes the slider 8 to rise rapidly relative to the guide roller 61. Due to inertia, the slider 8 rises quickly, pulling the guide roller 61 to move within the arc-shaped groove 511. When the guide roller 61 leaves the center of the arc-shaped groove 511 and reaches the upper straight groove 512, the flipping block 6 rotates 90° again, and both sides rotate 180° to reach the center. Figure 11 The state shown is as follows. That is, initially, slider 8 is located below guide roller 61. Slider 8 first lifts guide roller 61 to the center of the arc-shaped groove 511. Then, slider 8 and guide roller 61 are on the same plane. After this, slider 8 begins to be located above guide roller 61, and slider 8 begins to pull guide roller 61 upwards from the center of the arc-shaped groove 511, achieving a 180° rotation. Figure 3 and Figure 11 As shown, at this time, the flipping block 6 is located on the upper side, the guide roller 61 is located in the straight groove 512 on the upper side, and the flipping block 6 flips and is parallel to the straight groove 512. The connecting column 62 is located directly above the guide roller 61, realizing the upward flipping of the oil spraying assembly to spray the upper aluminum foil 13.

[0048] In this invention, a driving component is used to drive the slider 8 to move, thereby enabling the guide roller 61 to move within the guide groove 51. The cooperation of the straight groove 512 and the arc-shaped groove 511 enables the flipping block 6 to rotate 180°. In this structure, when the guide roller 61 reaches the middle of the arc-shaped groove 511, it needs to stop instantaneously at the center of the groove to ensure that the relative position of the slider 8 changes, thus achieving the 180° rotation of the flipping block 6. If the guide roller 61 does not stop instantaneously at the middle of the arc and continues to move, causing the relative position of the slider 8 and the guide roller 61 to remain unchanged, then during the movement of the slider 8 pushing the guide roller 61, the flipping block 6 can only rotate 90°, limiting the 180° rotation function. Theoretically, due to the presence of the arc-shaped groove 511, the guide roller 61 will pause momentarily when it reaches the center of the arc-shaped groove 511. Since the speed of the slider 8 is always kept at a constant value, the normal movement of the slider 8 can ensure that the relative positions of the guide roller 61 and the slider 8 change when the guide roller 61 reaches the center of the arc-shaped groove 511, thus achieving the function of flipping 180°. However, to ensure the stability of the 180° flipping function and to ensure that the guide roller 61 has sufficient stopping force when it reaches the center of the arc-shaped groove 511 to ensure that the positions of the slider 8 and the guide roller 61 change, an optimized design is made.

[0049] like Figures 5 to 11 , Figures 14-17 As shown, four sliding pillar seats 53 are provided on one side of the mounting base 2. A sliding pillar 54 is provided on each pair of sliding pillar seats 53. The two sliding pillars 54 are respectively located on both sides of the guide groove 51. Two springs 55 are provided on both sides of each sliding pillar 54 at a fixed distance, that is, there is no spring 55 in the center of the sliding pillar 54. This position corresponds to the arc groove 511, and the position of the spring 55 corresponds to the straight groove 512. A positioning block 56 is slidably provided on the sliding pillar 54 between the two springs 55. The inner wall of the positioning block 56 is provided with a transverse groove 561, which is perpendicular to the straight groove 512. The guide roller 61 is slidably provided in the transverse groove 561. When the guide roller 61 is located in the center of the arc groove 511, the two sides of the positioning block 56 are in contact with the springs 55, and the springs 55 are in a naturally extended state.

[0050] In this design, when the guide roller 61 moves in the guide groove 51, the guide roller 61 moves laterally relative to the transverse groove 561, driving the positioning block 56 to move up and down, achieving precise lifting and lowering, and also reducing the force on the guide roller 61. Figure 9As shown, when the guide roller 61 reaches the center of the arc-shaped groove 511, the two sides of the positioning block 56 are just close to the spring 55. At this moment, as the slider 8 continues to move up and down, the positioning block 56, when driven to move, will contact the spring 55. The spring 55 provides a spring force to limit the movement of the positioning block 56, thus limiting the movement of the guide roller 61 in the arc-shaped groove 511 at this instant. Only after the relative position of the slider 8 and the guide roller 61 changes will the slider 8 move in conjunction with the guide roller 61, thereby changing the relative position of the guide roller 61 and the slider 8 at the middle position of the arc-shaped groove 511, achieving a 180° flip. This design ensures the stability of the 180° flip function and ensures that the guide roller 61 has sufficient stopping force when it reaches the center of the arc-shaped groove 511, ensuring that the positions of the slider 8 and the guide roller 61 change.

[0051] like Figure 12 , Figure 13 and Figure 17 As shown, a first flange 63 is provided at one end of the connecting column 62. The first flange 63 has several first connecting holes 64. The oil spraying assembly includes a rectangular mounting pipe 3 and nozzles 4. Two media pipes 33 are provided inside the mounting pipe 3. Clamps 32 are provided on the inner walls of both ends of the mounting pipe 3. The clamps 32 have two through holes for positioning the two media pipes 33. Several nozzles 4 are evenly distributed on the mounting pipe 3. The nozzles 4 are bolted to the mounting pipe 3. Second flanges 31 are provided on both sides of the mounting pipe 3. Several second connecting holes 311 are evenly distributed on the second flanges 31. The first flange 63 and the second flange 31 are mated together. The first connecting holes 64 and the second connecting holes 311 are then connected by bolts.

[0052] Furthermore, the nozzle 4 includes a first connector 42 and an oil nozzle 41. Two first connectors 42 are provided, symmetrically arranged on both sides of the oil nozzle 41. Several second connectors 34 are evenly distributed on the medium pipe 33. A flexible hose 43 is connected to each first connector, passing through the mounting pipe 3 and connecting to a second interface. Compressed air is introduced into one medium pipe 33, and a mixed oil is introduced into the other. After mixing with the nozzle 4, the mixture is atomized and sprayed out. This structure allows for the protective installation of the medium pipe 33, while simultaneously using the mounting pipe 3 to install the nozzle 4. The overall structure is ingenious and simple, facilitating assembly and disassembly.

[0053] Furthermore, connecting seats 22 are respectively provided around the through groove 21, and the connecting seats 22 are provided with third connecting holes 24. The guide block 5 is provided with fifth connecting holes 52 around its perimeter. The guide block 5 is detachably mounted on the connecting seats 22, and the third connecting holes 24 and the fifth connecting holes 52 are aligned and screwed in for fixation. A clearance groove 23 is provided in the middle of the connecting seat 22, and the clearance groove 23 communicates with the through groove 21. The clearance groove 23 is used to internally accommodate the flipping block 6, so as to prevent the flipping block 6 from moving and colliding with the mounting seat 2 when adjusting its height in a vertical position.

[0054] like Figures 5 to 11 , Figures 14-17 As shown, the mounting base 2 is provided with a lifting mechanism for driving the slider 8 to move. The lifting mechanism includes a lead screw 71 and a lead screw nut 72 that cooperates with the lead screw 71. An L-shaped connecting block 721 is provided on one side of the lead screw nut 72. A guide block 5 is connected to the connecting base 22. There is a gap between the guide block 5 and the mounting base 2. The connecting block 721 extends into the through groove 21 through the gap and connects to the inner wall of the slider 8 on the other side. The slider 8 is lifted and lowered by lifting the lead screw nut 72.

[0055] Furthermore, a first bearing seat 73 and a second bearing seat 74 are respectively connected to both sides of the lead screw 71. The first bearing seat 73 and the second bearing seat 74 are detachably connected to the mounting base 2. The mounting base 2 is provided with several fourth connecting holes 25. Screws are inserted through the fourth connecting holes 25 to connect with the first bearing seat 73 and the second bearing seat 74. Several guide rods 76 are connected between the first bearing seat 73 and the second bearing seat 74. The lead screw nut 72 is slidably mounted on the guide rods 76. A motor 7 is mounted on the first bearing seat 73. The motor 7 is connected to the lead screw 71 through a coupling 75. The coupling 75 is sleeved on the guide rods 76 to achieve the positioning and installation of the lifting mechanism.

[0056] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A double-oil spraying device for a winding machine, characterized in that: Includes fuel tank, fuel injection assembly, and tilting assembly. The inside of the oil receiving tank is provided with two layers of aluminum foil at a fixed distance. There are flipping components on both sides of the oil receiving tank. An oil spraying component is connected between the two flipping components. The oil spraying component is located between the two layers of aluminum foil. The flipping component is used to drive the oil spraying component to rotate and spray the aluminum foil on either side. The flipping assembly includes a mounting base, a guide block, a slider, and a flipping block. A guide block is provided on one side of the mounting base, and a guide groove is provided on the guide block. The guide groove includes an arc-shaped groove and straight grooves provided on both sides of the arc-shaped groove. A slider is slidably disposed on one side of the mounting base, and guide rollers and connecting columns are respectively disposed on both sides of the flipping block. The guide rollers are slidably disposed in the guide groove, and the connecting columns are rotatably disposed on the inner wall of the slider; the oil injection assembly is detachably connected to the connecting columns. Two sliding columns are provided on one side of the mounting base. Two springs are provided on both sides of each sliding column at a fixed distance. A positioning block is slidably provided on the sliding column between the two springs. A transverse groove is provided on the inner wall of the positioning block. The transverse groove is perpendicular to the straight groove. The guide roller is slidably provided in the transverse groove. When the guide roller is located in the center of the arc groove, the two sides of the positioning block are in contact with the springs, and the springs are in a naturally extended state. The mounting base is provided with a lifting mechanism for driving the slider movement. The lifting mechanism includes a lead screw and a lead screw nut that cooperates with the lead screw. An L-shaped connecting block is provided on one side of the lead screw nut. The connecting block extends into the through groove and connects to the inner wall of the slider.

2. The double-oil spraying device for the winding machine according to claim 1, characterized in that: The mounting base has a through groove inside, the flipping block is disposed inside the through groove, guide rails are respectively provided on both sides of the mounting base, and sliding parts are respectively provided on both sides of the slider, the sliding parts being fitted onto the guide rails.

3. The double-oil spraying device for the winding machine according to claim 1, characterized in that: A sleeve is provided in the center of the slider, and a bearing is provided inside the sleeve. The connecting column is connected to the inner wall of the bearing.

4. The double-coil oil spraying device for a winding machine according to claim 3, characterized in that: A first flange is provided at one end of the connecting column. The oil injection assembly includes a rectangular mounting pipe and a nozzle. Two media pipes are provided inside the mounting pipe. Several nozzles are evenly distributed on the mounting pipe. Second flanges are provided on both sides of the mounting pipe. The first flange and the second flange are connected by bolts.

5. The double-coil oil spraying device for a winding machine according to claim 4, characterized in that: The nozzle includes a first connector and an oil injection port. There are two first connectors, which are symmetrically arranged on both sides of the oil injection port. Several second connectors are evenly distributed on the medium pipeline. A hose is connected to the first connector. The hose passes through the installation pipe and is connected to the second interface.

6. The double-coil oil spraying device for a winding machine according to claim 2, characterized in that: Connecting seats are provided around the through groove, the guide block is detachably installed on the connecting seats, and an avoidance groove is provided in the middle of the connecting seats, which is connected to the through groove.

7. The double-coil oil spraying device for a winding machine according to claim 1, characterized in that: The lead screw is connected to a first bearing seat and a second bearing seat on both sides, and the first and second bearing seats are detachably connected to the mounting base. A plurality of guide rods are connected between the first and second bearing seats. The lead screw nut is slidably mounted on the guide rods. A motor is mounted on the first bearing seat. The motor is connected to the lead screw through a coupling, which is sleeved on the guide rod.

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