Plate surface oiling device

Abstract

The utility model discloses a plate surface oiling device, and oiling device includes oiling module, and the oiling module includes mounting seat, oiling sponge and oil supply mechanism, and one side of mounting seat is equipped with the mounting groove, and the oiling sponge sets up in mounting groove and partially extends mounting groove, and the oil supply mechanism has the spray head for spraying oil material, and the spray head sets up mounting seat, and spray head is towards the oiling sponge, and the oiling module is provided with two and is first oiling module and second oiling module respectively, and the second oiling module is located the top of first oiling module and can be set up the up and down movement relative to first oiling module, when carrying out oiling work, two the oiling module each other and draw close, and the plate to be oiled is clamped between two the oiling sponge, and the oiling device can realize uniform oiling and can save oil material.

Description

Technical Field

[0001] This utility model relates to the field of oiling and lubrication technology, specifically to an oiling device for sheet metal surfaces. Background Technology

[0002] When metal sheets are stamped or hot forged, uniformly applying oil to the surface can reduce damage to the die and prevent material cracking or tearing. In existing technologies, some oiling operations rely on manual labor, which is inefficient and inconsistent. Some equipment uses oiling devices, most of which employ methods such as spraying, immersion, and brushing. These methods suffer from uneven oiling and oil waste, especially when oiling sheets with complex curved surfaces, where achieving uniform oiling is even more difficult. Utility Model Content

[0003] The purpose of this invention is to provide a new device for oiling the surface of sheet metal.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is: a sheet metal surface oiling device, comprising an oiling module, wherein the oiling module includes:

[0005] An oiling sponge, the oiling sponge having a first side and a second side disposed on opposite sides in the thickness direction, the first side being able to cover the entire board to be oiled;

[0006] The mounting base has an inwardly recessed mounting groove on one side, the oiled sponge is disposed in the mounting groove, and the first side extends out of the mounting groove;

[0007] An oil supply mechanism, the oil supply mechanism including a nozzle for spraying oil, the nozzle being disposed on the mounting base and facing a second side of the oiling sponge;

[0008] The oiling module is provided in two parts, namely the first oiling module and the second oiling module. The second oiling module is located above the first oiling module and can be moved up and down relative to the first oiling module. The first sides of the two oiling sponges are arranged opposite each other in the vertical direction. When the oiling work is performed, the first oiling module and the second oiling module move closer to each other, and the board to be oiled is clamped between the two oiling sponges. The board is completely wrapped by the two oiling sponges. The two surfaces of the board on opposite sides in the thickness direction are completely covered by the first sides of the two oiling sponges and in contact with the first sides.

[0009] In some embodiments, the mounting base of the first oiling module includes an upper body and a base disposed at the bottom of the upper body, the oiling sponge is disposed at the top of the upper body, the base is provided with an oil collection trough for recovering oil, the oil collection trough is arranged around the circumferential outer side of the upper body; the base is provided with a recovery oil pipe communicating with the oil collection trough.

[0010] In some embodiments, the mounting base has a mounting cavity communicating with the mounting groove, and the nozzle is disposed in the mounting cavity; the oiling sponge, the mounting groove and the mounting cavity form a closed space to prevent oil from spilling out.

[0011] In some embodiments, the mounting cavity is provided with an oil drain hole for oil to flow out.

[0012] In some embodiments, the mounting base of the first oiling module includes an upper body and a base disposed at the bottom of the upper body, the oiling sponge and the nozzle are disposed on the upper body, an accommodating space is formed between the upper body and the base, and the oil leakage hole communicates with the accommodating space.

[0013] In some embodiments, the oiling device includes a recovery container disposed within the accommodating space for recovering oil. In other embodiments, the base is provided with an oil collection trough surrounding the accommodating space.

[0014] In some embodiments, the mounting base is provided with a plurality of mounting cavities at intervals, each mounting cavity is provided with a nozzle, and a connecting groove is provided between the mounting cavities for connecting two or more mounting cavities.

[0015] In some embodiments, a plurality of the nozzles are spaced apart on the mounting base; the spraying area of ​​all the nozzles covers the second side of the oiled sponge.

[0016] In some embodiments, the oil supply mechanism includes an oil supply pipe and multiple oil distribution pipes. The mounting base is provided with an oil distribution block. The oil distribution block has an oil inlet and multiple oil outlets that are interconnected. The oil inlet is connected to the oil supply pipe, and the multiple oil distribution pipes are respectively connected between the multiple oil outlets and the multiple nozzles.

[0017] In some embodiments, the oil sprayed from the nozzle is in the form of a mist; the oil sprayed from the nozzle is in the form of an outwardly spreading cone.

[0018] Due to the application of the above technical solution, the plate oiling device of this utility model has the following advantages compared with the prior art:

[0019] 1. Oil is stored in an oiling sponge, and the oil stored in the sponge is used to wet the surface of the board, thus completing the oiling operation. Specifically, the board is held and wrapped between two oiling sponges by pressing them together. The oil absorbed by the sponges wets the surface of the board, thereby achieving oiling. Compared to brushing, this method not only ensures that the board surface is evenly coated with oil, but also adapts to various boards with complex curved surfaces, improving the applicability of the oiling device. Compared to directly spraying oil or directly immersing the board in oil, this method saves oil and avoids waste.

[0020] 2. When applying oil, after placing the board on the oiling sponge of the first oiling module, simply drive the second oiling module downward to complete the oiling process. This is simple to operate and can improve the oiling efficiency.

[0021] 3. Since the oiling sponge has a certain function of storing oil, there is no need to frequently replenish the oil, thus avoiding oil waste and simplifying the oiling operation.

[0022] 4. Use a spray nozzle to spray the oil onto the sponge to ensure that the sponge is evenly soaked in the oil, thus further ensuring the uniformity of the oil application.

[0023] 5. The oiling sponge is placed in the mounting groove. On the one hand, it can maintain the stability of the oiling sponge and prevent it from shifting. On the other hand, the mounting groove has a certain storage function. In particular, for the first oiling module, the mounting groove can collect the oil that flows out of the oiling sponge due to compression or oil generated for other reasons, and then the oiling sponge can absorb it to form the oil recycling. Attached Figure Description

[0024] Appendix Figure 1 This is a schematic diagram of a plate surface oiling device according to a specific embodiment of the present invention;

[0025] Appendix Figure 2 This is a schematic diagram of the oiling device in operation.

[0026] Appendix Figure 3 For the appendix Figure 2 Top view;

[0027] Appendix Figure 4 A partial structural exploded view of the second oiling module;

[0028] Appendix Figure 5 This is a partial structural exploded view of the first oiling module;

[0029] Appendix Figure 6 A schematic diagram showing the first oiling module after the oiling sponge has been removed;

[0030] Appendix Figure 7 For the appendix Figure 6 Enlarged view of point A in the middle;

[0031] Appendix Figure 8 For the appendix Figure 6 A schematic diagram after the partition has been removed;

[0032] In the above attached figures: 100a, first oiling module; 100b, second oiling module; 1, mounting base; 2, oiling sponge; 21, first side; 3, nozzle; 4, oil supply pipe; 5, oil distribution pipe; 6, oil distribution block; 11, upper body; 12, base; 121, extension; 13, oil collection tank; 14, oil recovery pipe; 15, mounting groove; 151, connecting groove; 16, mounting cavity; 161, oil leakage hole; 17, mounting plate; 18, support frame; 19, partition. Detailed Implementation

[0033] The technical solution of this utility model will be described in detail below with reference to the accompanying drawings and specific embodiments, so that the advantages and features of this utility model can be more easily understood by those skilled in the art. Obviously, the embodiments described in this application are only a part of the embodiments, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments in this application without creative effort are within the scope of protection of this application.

[0034] See Figures 1 to 3 The illustrated device for coating a sheet metal surface includes an oiling module. The oiling module comprises a mounting base 1, an oiling sponge 2, and an oil supply mechanism. The oiling sponge 2 has a first side 21 and a second side (not shown) located on opposite sides in the thickness direction. The first side 21 can cover the entire sheet metal to be coated. The oiling sponge 2 is positioned on one side of the mounting base 1. The oil supply mechanism has a nozzle 3 for spraying oil. The nozzle 3 is positioned on the mounting base 1 and faces the oiling sponge 2, specifically towards the second side of the oiling sponge 2. The nozzle 3 can spray oil onto the oiling sponge 2 to wet it. Two oiling modules are provided, which can be positioned relatively far apart or relatively close together. For details on oiling operations, please refer to [reference needed]. Figure 2 As shown, the two oiling modules are close together, and the board to be oiled is sandwiched between the two oiling sponges 2. The oiling sponges are squeezed and deformed, and the board is completely wrapped by the two oiling sponges 2. The two surfaces on opposite sides of the board thickness direction are completely covered by the first side 21 of the two oiling sponges 2 and are in contact with the first side 21.

[0035] Two oiling sponges 2 are pressed together to clamp and wrap the board between them. The oil in the sponges 2 wets the surface of the board, thus applying the oil to the surface. Compared with direct spraying or dipping, the oil application is more uniform and saves oil. Compared with brushing, the oiling sponge 2 is also suitable for boards with complex surfaces. The oiling sponge 2 also has a certain oil storage capacity, eliminating the need for frequent and large-scale oil replenishment, simplifying the oiling process and avoiding oil waste. The spray nozzle 3 sprays the oil onto the oiling sponge 2, ensuring uniform wetting and controlling the amount of oil to prevent the sponge 2 from absorbing too much oil.

[0036] In this embodiment, the two oiling modules are a first oiling module 100a and a second oiling module 100b. The first oiling module 100a is located below the second oiling module 100b, and the second oiling module 100b is movable vertically relative to the first oiling module 100a. The oiling sponge 2 of the first oiling module 100a is located on the upper part of its mounting base 1, with its first side 21 facing upward. The oiling sponge 2 of the second oiling module 100b is located on the lower part of its mounting base 1, with its first side 21 facing downward. The first sides 21 of the two oiling sponges 2 are arranged opposite each other in the vertical direction. During the oiling operation, after the nozzle 3 wets the oiling sponge 2, the board is placed on top of the oiling sponge 2 of the first oiling module 100a. Then, simply driving the second oiling module 100b downward will clamp the board between the oiling sponges 2. The operation is simple and can improve the oiling efficiency.

[0037] In this embodiment, a recessed mounting groove 15 is provided on one side of the mounting base 1. The oiling sponge 2 is placed in the mounting groove 15. The mounting groove 15 can restrict the movement of the oiling sponge 2 and improve the connection stability between the mounting base 1 and the oiling sponge 2, thereby preventing the oiling sponge 2 from shifting during the oiling operation and ensuring the oiling quality. In this embodiment, at least part of the oiling sponge 2 extends out of the mounting groove 15. Specifically, the first side 21 extends out of the mounting groove 15. Thus, when the first oiling module 100a and the second oiling module 100b approach each other, the board to be oiled can be wrapped between the two oiling sponges 2, thereby keeping the oil evenly applied to the surface of the board. At the same time, even surface oiling can be achieved for boards with complex curved surfaces.

[0038] In this embodiment, the installation groove 15 also has the function of recycling oil. When the oiled sponge 2 is squeezed and the oil it has absorbed flows out or is generated for other reasons, the oil can be collected by the installation groove 15 and the collected oil can be absorbed by the oiled sponge 2 to achieve recycling.

[0039] In this embodiment, the oil sprayed by the nozzle 3 is in the form of a mist, and the oil sprayed by the nozzle 3 is in an outwardly spreading cone shape so that the oiling sponge 2 is evenly wetted by the oil. In this embodiment, multiple nozzles 3 are spaced apart on the mounting base 1 to achieve uniform and complete oil spraying, ensuring that the oiling sponge 2 can be completely wetted by the oil, thereby ensuring that the surface of the board can be completely coated and that the oiling of the board can be uniform. Preferably, the spraying area of ​​all nozzles 3 covers the second side of the oiling sponge 2. In this embodiment, the oiling sponge 2 adopts a shape similar to that of the board but enlarged in proportion, so as to ensure that the surface of the oil can be completely coated while reducing the spraying area that the nozzles 3 need to cover, thereby achieving the effect of saving oil. When the shape of the board to be coated is irregular, the shape of the coating sponge set in the above manner is also irregular. In this case, by setting multiple nozzles 3 and controlling the size of the spraying area and the amount of spraying of each nozzle 3, the coating sponge can be fully covered by spraying, while avoiding the waste of oil sprayed on areas outside the coating sponge.

[0040] In this embodiment, the first oiling module 100a and the second oiling module 100b have roughly the same structure, see [link / reference]. Figure 1 , Figure 4 and Figure 5 As shown, most of the structures of the oiling sponge 2, nozzle 3, and mounting base 1 of the first oiling module 100a and the second oiling module 100b are symmetrically distributed in the vertical direction. This arrangement simplifies the production of the first oiling module 100a and the second oiling module 100b. In other embodiments, the first oiling module 100a and the second oiling module 100b can be configured with different structures to adapt to different usage scenarios.

[0041] See Figure 5 , Figure 6 As shown in the figure, in this embodiment, the main structural difference between the first oiling module 100a and the second oiling module 100b is that the mounting base 1 of the first oiling module 100a includes an upper body 11 and a base 12 disposed at the bottom of the upper body 11. The base provides stable support for the first oiling module 100a, while the second oiling module 100b, which is located above the first oiling module 100a, does not require and does not have a structure similar to the base 12.

[0042] In this embodiment, the base 12 is provided with an oil collection trough 13 for recovering oil. Specifically, the base 12 has an extension 121 extending outward from the bottom of the upper body 11, and the extension 121 is provided with the aforementioned oil collection trough 13. See also Figure 3 , Figure 6As shown, the oiling sponge 2 of the first oiling module 100a is disposed on the top of the upper seat 11, and the oil collection tank 13 is arranged around the outer periphery of the upper seat 11. Thus, during the oiling process, the oil that drips from the upper seat 11 due to the mutual compression of the two oiling sponges 2 falls onto the extension 121 of the base 12 and flows into the oil collection tank 13 for collection, thereby achieving oil recycling. In this embodiment, the base 12 is provided with a recovery oil pipe 14 communicating with the oil collection tank 13, through which the oil in the oil collection tank 13 is recovered.

[0043] In this embodiment, the oil supply mechanism includes a supply pipe 4 and multiple distribution pipes 5. The mounting base 1 is provided with an oil distribution block 6, which has an inlet and multiple outlets that are interconnected. The inlet is connected to the supply pipe 4, and the multiple distribution pipes 5 are respectively connected between the multiple outlets and the multiple nozzles 3. Specifically, the oil supply mechanism also includes an oil tank (not shown in the figure), and the supply pipe 4 is connected between the supply port and the oil tank. By distributing the oil through the distribution block 6, the oil supply mechanism can supply oil to multiple nozzles 3 simultaneously through only one supply pipe 4. In some embodiments, the oil supply mechanism of the first oil supply module 100a and the oil supply mechanism of the second oil supply module 100b share the same oil tank.

[0044] In this embodiment, the mounting base 1 has a mounting cavity 16 communicating with the mounting groove 15, and the nozzle 3 is disposed in the mounting cavity 16. By creating the mounting cavity 16, a stable support for the oil-coated sponge 2 is provided while achieving uniform spraying of the oil-coated sponge 2, thus achieving a balance between the two. After the oil-coated sponge 2 is fixed in the mounting groove 15, a closed space is formed between the oil-coated sponge 2, the mounting groove 15, and the mounting cavity 16 to prevent oil from spreading outwards, thus avoiding contamination caused by the oil spreading during the spraying process of the nozzle 3.

[0045] In this embodiment, the mounting base 1 is provided with a plurality of mounting cavities 16 at intervals, and each mounting cavity 16 is provided with a nozzle 3. The opening of the mounting cavity 16 connected to the mounting groove 15 can divide the spraying range of each nozzle 3 to ensure that the oiled sponge 2 is completely and evenly sprayed and wetted.

[0046] In this embodiment, there is a risk that the oiling module may have oil flowing into the mounting cavity 16 and affecting the operation of the nozzle 3. This is especially true for the first oiling module 100a, whose mounting cavity 16 is located below the mounting groove 15, where the oil will flow downwards due to gravity. See also... Figure 6 , Figure 7 As shown, the mounting cavity 16 is provided with an oil drain hole 161 for oil to flow out. The oil flowing into the mounting cavity 16 can be discharged from the oil drain hole 161 to avoid affecting the normal operation of the nozzle 3. Specifically, the oil drain hole 161 of the first oiling module 100a is located at the bottom of the mounting cavity 16 to facilitate the rapid discharge of oil flowing into the mounting cavity 16.

[0047] In this embodiment, a connecting groove 151 for connecting two or more mounting cavities 16 is provided between the mounting cavities 16. Specifically, see... Figure 8 As shown, the connecting groove 151 is located at the bottom of the mounting groove 15, that is, the connecting groove 151 is located at the top of the mounting cavity 16. If the oil drain hole 161 of any mounting cavity 16 becomes blocked, causing oil to continuously accumulate in that mounting cavity 16, the oil accumulated in that mounting cavity 16 can flow through the connecting groove 151 to another mounting cavity 16 and be discharged from the oil drain hole 161 of the other mounting cavity 16, thereby avoiding affecting the normal operation of the oiling device.

[0048] In this embodiment, the bottom of the oiled sponge 2 is provided with a partition 19. The partition 19 has holes at positions corresponding to the opening of the mounting cavity 16 to avoid affecting the communication between the mounting cavity 16 and the mounting groove 15. See also Figure 6 , Figure 8 As shown, when the oiled sponge 2 is fixed in the mounting groove 15, the partition 19 covers the connecting groove 151. The partition 19 separates the connecting groove 151 from the oiled sponge 2, and at the same time, the partition 19 can provide a flat surface to improve the stability of the oiled sponge 2.

[0049] In this embodiment, see Figure 5 As shown, the upper body 11 of the first oil supply module 100a includes a mounting plate 17 and multiple fixing plates disposed above the mounting plate 17. The multiple fixing plates may have different shapes and thicknesses, and the mounting groove 15 is formed between the multiple fixing plates. The mounting cavity 16 is formed between the fixing plates and the mounting plate 17. The nozzle 3 is disposed on the mounting plate 17. In some embodiments, the mounting plate 17 and the fixing plate are integrally formed.

[0050] In this embodiment, an accommodating space is formed between the upper body 11 and the base 12 of the first oil supply module 100a. Specifically, the upper body 11 further includes a support frame 18 disposed at the bottom of the mounting plate 17, and the support frame 18 is located between the mounting plate 17 and the base 12. In this embodiment, there are two support frames 18 spaced apart, and the aforementioned accommodating space is formed between the mounting plate 17, the base 12, and the two support frames 18. See also Figure 1 , Figure 5As shown, the oil distribution block 6 is located on one side of the mounting plate 17 along its length, and the oil distribution pipe 5 extends from below the oil distribution block 6 into the accommodating space located below the mounting plate 17. This arrangement avoids damage to the oil distribution pipe 5. In this embodiment, the oil leakage hole 161 is located on the mounting plate 17 and communicates with the accommodating space. Specifically, the oil leakage hole 161 penetrates the mounting plate 17 vertically. In this embodiment, the oil in the mounting cavity 16 can flow out from the oil leakage hole 161 and drip downwards into the accommodating space, eventually dripping onto the base 12 located below the upper seat 11. The oil dripping onto the base 12 can spread outwards and be collected and recycled by the oil collection tank 13. Preferably, the base 12 can be designed with a slope so that the oil dripping from the oil leakage hole 161 can quickly flow into the oil collection tank 13 for recycling. In some embodiments, a recycling container can be provided in the accommodating space to recycle the oil flowing out from the oil leakage hole 161.

[0051] In this embodiment, since the structures of the first oiling module 100a and the second oiling module 100b are roughly the same, the structure of the second oiling module 100b, which is not described, can be obtained by symmetry and in conjunction with the accompanying drawings, so it will not be described in detail.

[0052] In this embodiment, the sheet metal surface oiling device, during use, firstly, the oil supply mechanism supplies oil to the nozzle 3, which then evenly sprays the oil onto the oiling sponge 2, ensuring the sponge 2 is uniformly saturated with oil. Next, the sheet metal to be oiled is placed on the oiling sponge 2 of one of the oiling modules; specifically, the sheet metal is placed above the oiling sponge 2 of the first oiling module 100a. Finally, the two oiling modules are driven to move closer together, clamping the sheet metal between the two oiling sponges 2. Specifically, the second oiling module 100b is driven to move downwards and move closer to the first oiling module 100a, thus clamping and wrapping the sheet metal between the two oiling sponges 2. The two oiling sponges 2 completely wrap the sheet metal, with the two surfaces on opposite sides of the sheet metal in the thickness direction completely covered and in contact with the first side surface 21 of each oiling sponge 2. This completes the sheet metal oiling operation.

[0053] In summary, the panel oiling device of this embodiment first sprays oil onto the oiling sponge 2 through the nozzle 3, ensuring the sponge 2 is evenly soaked in oil. Then, the panel is placed on the oiling sponge 2 of the first oiling module 100a. By driving the second oiling module 100b downwards and bringing it closer to the first oiling module 100a, the panel is sandwiched between the oiling sponges 2 of the first and second oiling modules 100a, thus evenly applying oil to the panel surface. This method of using two oiling sponges 2 for clamping and applying oil ensures uniform application even for panels with complex curved surfaces and reduces oil waste.

[0054] The above embodiments are only for illustrating the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be included within the scope of protection of this utility model.

Claims

1. A plate surface oiling device characterized by comprising: Includes an oiling module, the oiling module comprising: An oiling sponge, the oiling sponge having a first side and a second side disposed on opposite sides in the thickness direction, the first side being able to cover the entire board to be oiled; The mounting base has an inwardly recessed mounting groove on one side, the oiled sponge is disposed in the mounting groove, and the first side extends out of the mounting groove; An oil supply mechanism, the oil supply mechanism including a nozzle for spraying oil, the nozzle being disposed on the mounting base and facing a second side of the oiling sponge; The oiling module is provided in two parts, namely the first oiling module and the second oiling module. The second oiling module is located above the first oiling module and can be moved up and down relative to the first oiling module. The first sides of the two oiling sponges are arranged opposite each other in the vertical direction. When the oiling work is performed, the first oiling module and the second oiling module move closer to each other, and the board to be oiled is clamped between the two oiling sponges. The board is completely wrapped by the two oiling sponges. The two surfaces of the board on opposite sides in the thickness direction are completely covered by the first sides of the two oiling sponges and in contact with the first sides.

2. The apparatus for oiling a surface of a board material according to claim 1, characterized by: The mounting base of the first oiling module includes an upper body and a base disposed at the bottom of the upper body. The oiling sponge is disposed at the top of the upper body. The base is provided with an oil collection trough for recovering oil, and the oil collection trough is arranged around the circumferential outer side of the upper body. The base is provided with a recovery oil pipe communicating with the oil collection trough.

3. The apparatus for oiling a surface of a board material according to claim 1, characterized by: The mounting base has a mounting cavity that communicates with the mounting groove, and the nozzle is disposed in the mounting cavity; the oiling sponge, the mounting groove and the mounting cavity form a closed space to prevent oil from spilling out.

4. The apparatus for oiling a surface of a board material according to claim 3, characterized by: The mounting cavity is provided with an oil drain hole for oil to flow out.

5. The sheet metal surface oiling device according to claim 4, characterized in that: The mounting base of the first oiling module includes an upper body and a base disposed at the bottom of the upper body. The oiling sponge and the nozzle are disposed on the upper body. An accommodating space is formed between the upper body and the base. The oil leakage hole communicates with the accommodating space.

6. The apparatus for oiling a surface of a board material according to claim 5, characterized by: The oiling device includes a recovery container disposed within the accommodating space for recovering oil; or, the base is provided with an oil collection trough, which is arranged circumferentially outside the accommodating space.

7. The apparatus for oiling the surface of a board material according to claim 4, wherein: The mounting base is provided with a plurality of mounting cavities at intervals, each mounting cavity is provided with a nozzle, and the mounting cavities are provided with a connecting groove for connecting two or more mounting cavities.

8. The apparatus for oiling a surface of a board material according to claim 1, characterized by: The mounting base is provided with a plurality of spray nozzles at intervals; the spraying area of ​​all the spray nozzles covers the second side of the oiled sponge.

9. The apparatus for oiling a surface of a board material according to claim 8, characterized by: The oil supply mechanism includes an oil supply pipe and multiple oil distribution pipes. The mounting base is provided with an oil distribution block. The oil distribution block has an oil inlet and multiple oil outlets that are interconnected. The oil inlet is connected to the oil supply pipe, and the multiple oil distribution pipes are respectively connected between the multiple oil outlets and the multiple nozzles.

10. The apparatus for oiling a surface of a board material according to claim 1, characterized by: The oil sprayed from the nozzle is in the form of a mist; the oil sprayed from the nozzle is in the form of an outwardly spreading cone.

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