Anti-fingerprint treatment process for stainless steel coaming

By designing an improved spraying device, including a spray gun body, an oil-water separator, agitator and a limiting mechanism, the problems of unstable and inconvenient spraying in the anti-fingerprint processing process of stainless steel enclosures in the prior art are solved, and a more efficient and high-quality spraying effect is achieved.

CN119680860APending Publication Date: 2025-03-25QINGDAO HAILI INTELLIGENT EQUIP CO LTD
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Patent Information

Application Number
CN202510135624.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2025-03-25

AI Technical Summary

Technical Problem

In the existing stainless steel fence anti-fingerprint processing process, the gravity spray gun is not stable and reliable enough, the spray efficiency and quality are poor, and the operation is inconvenient.

Method used

An improved spraying device is designed, including a spray gun body, an oil-water separator, agitator and a limiting mechanism, and through these technical means, the stability and uniformity of the spraying process are ensured.

Benefits of technology

The stability and uniformity of the spraying process are achieved, the spraying efficiency and quality are improved, and the operation is more convenient and reliable.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a stainless steel coaming anti-fingerprint treatment process, and relates to the technical field of anti-fingerprint treatment, and the stainless steel coaming anti-fingerprint treatment process comprises the following steps: S1, peeling off a surface protective film of a stainless steel plate; according to the stainless steel coaming anti-fingerprint treatment process, when a spray gun body is used for spraying anti-fingerprint oil, a piston can abut against the anti-fingerprint oil all the time, the anti-fingerprint oil can smoothly enter a gun body and is more stable and reliable, meanwhile, shaking of the anti-fingerprint oil can be avoided, it is guaranteed that the liquid level of the anti-fingerprint oil is parallel to scale marks, and the anti-fingerprint effect is improved. Therefore, the scale marks can be observed conveniently, and the spraying efficiency and effect are guaranteed; during spraying, the anti-fingerprint oil can be automatically stirred, so that the anti-fingerprint oil is more uniform, and the spraying quality is ensured; and during spraying, the trigger can be limited more stably and reliably, an operator does not need to press the trigger all the time for operation, the flow stability during spraying can be guaranteed, and then the spraying efficiency and quality are guaranteed.
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Description

Technical Field

[0001] The invention relates to the technical field of anti-fingerprint processing, in particular to an anti-fingerprint processing process for a stainless steel enclosure. Background Art

[0002] In order to improve the user experience and solve the fingerprint problem of stainless steel enclosures, according to customer customization requirements, brushed stainless steel and grained stainless steel enclosures must be treated with anti-fingerprint treatment before installation. During the treatment, a spray device is required to spray anti-fingerprint oil on the surface of the stainless steel enclosure. The spray device currently used is mainly a gravity spray gun.

[0003] However, when the existing anti-fingerprint treatment process for stainless steel enclosures is used, the plastic upper pot of the gravity spray gun is installed above the spray gun. The anti-fingerprint oil in the plastic upper pot needs to cooperate with the air pressure of the spray gun through its own gravity and is finally sprayed out from the nozzle of the spray gun. It is easily affected by tilting and shaking, and is not stable and reliable. At the same time, it is not convenient to observe the liquid level, and it is not convenient to stir the anti-fingerprint oil, which is not uniform enough, thereby affecting the efficiency and quality of spraying; when spraying, it is necessary to rotate by pressing the trigger to control the flow rate during spraying, but the operator needs to hold down the trigger all the time, which is not only inconvenient and fast, but also easily causes the instability of the spraying flow, which also affects the efficiency and quality of spraying.

[0004] To this end, we proposed an anti-fingerprint treatment process for stainless steel panels. Summary of the invention

[0005] The purpose of the present invention is to provide a stainless steel enclosure anti-fingerprint processing process to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a process for anti-fingerprint treatment of stainless steel panels, comprising the following steps:

[0007] S1: Remove the surface protective film of the stainless steel plate, and use a non-woven cloth dipped in a special cleaning agent to clean the dirt on the surface of the stainless steel enclosure;

[0008] S2: Use a spraying device to evenly spray the anti-fingerprint oil on the surface of the stainless steel plate 3 to 4 times;

[0009] S3: An oil-water separator is installed at the front end of the air pipe of the spraying device to ensure that the compressed air is clean and dry, so that the compressed air used by the spraying device does not contain moisture and oil;

[0010] S4: Let the sprayed stainless steel sheet stand to ensure that the anti-fingerprint oil is fully dried and solidified, and then install the stainless steel sheet to form a stainless steel enclosure.

[0011] Preferably, in step S2, during the spraying process, the distance from the surface of the stainless steel enclosure is more than 500 mm.

[0012] Preferably, in step S4, the standing time is more than 3 hours.

[0013] Preferably, the spraying device comprises a spray gun body, and the spray gun body comprises a gun body, a trigger, a nozzle assembly and a plastic upper pot, the trigger is rotatably connected to the side wall of the gun body through a rotating shaft, and the side wall of the plastic upper pot is provided with a scale mark, the side wall of the plastic upper pot is threadedly connected with an annular cover, and the inner side wall of the annular cover is fixedly connected with a fixing ring, a piston is inserted in the plastic upper pot, and the top of the piston is rotatably connected with a rotating ring, the rotating ring is connected to the top of the fixing ring through a first reset mechanism, and the bottom of the piston is provided with a stirring mechanism for stirring the anti-fingerprint oil, a liquid adding tube is fixedly inserted at the top of the piston, and a one-way valve is provided in the liquid adding tube, the rotation of the piston is driven by a driving mechanism, and the side wall of the gun body is provided with a limiting mechanism for limiting the rotating shaft;

[0014] The first reset mechanism comprises two symmetrically arranged first T-shaped guide rods fixedly connected to the top of the rotating ring, and the side wall of each first T-shaped guide rod is sleeved with an L-shaped block, the L-shaped block is fixed to the top of the fixed ring, and the side wall of each first T-shaped guide rod is sleeved with a first spring, and the side wall of the first T-shaped guide rod is provided with an adjustment mechanism for adjusting the compression amount of the first spring;

[0015] The adjusting mechanism comprises a moving ring sleeved on the side wall of the first T-shaped guide rod, the side wall of the moving ring is fixedly connected with a connecting block, and a lifting mechanism is arranged between the connecting block and the rotating ring.

[0016] Preferably, the lifting mechanism includes a sleeve rod fixedly connected to the bottom of the connecting block, and the side wall of the sleeve rod is sleeved with a sleeve, the lower end of the sleeve is fixed to the top of the rotating ring, and the bottom of the connecting block is rotatably connected to a threaded rod, the side wall of the threaded rod is threadedly connected to a threaded tube, the lower end of the threaded tube is fixed to the top of the rotating ring, and the upper end of the threaded rod is fixedly connected to a knob.

[0017] Preferably, the stirring mechanism comprises a plurality of stirring rods arranged in an array and inserted at the bottom of the piston, a ball is provided at the lower end of the stirring rod, and the upper end of the stirring rod passes through the top of the piston and is connected to the top of the piston through a second reset mechanism.

[0018] Preferably, the second reset mechanism comprises a disc fixedly connected to the upper end of the stirring rod, the side wall of the stirring rod is sleeved with a second spring, and the two ends of the second spring are respectively fixed to the disc and the piston.

[0019] Preferably, the driving mechanism includes a fixed rod fixedly connected to the top of the piston, and the side wall of the fixed rod is provided with a spirally arranged sliding groove, the top of the fixed ring is fixedly connected to a support block, and the top of the support block is fixedly connected to a U-shaped frame, the side wall of the U-shaped frame is fixedly connected to a push pin, and the push pin is inserted in the sliding groove.

[0020] Preferably, the limiting mechanism comprises a circular ring fixedly mounted on the side wall of the rotating shaft, and the side wall of the circular ring is provided with a plurality of fan-shaped grooves arranged in an array, the side wall of the gun body is connected with a fan-shaped block through a third reset mechanism, and the fan-shaped block abuts against the fan-shaped groove.

[0021] Preferably, the third reset mechanism includes two symmetrically arranged second T-shaped guide rods fixedly connected to the side walls of the fan-shaped block, and the side walls of the second T-shaped guide rods are sleeved with fixed blocks, the fixed blocks are fixed to the side walls of the gun body, and the side walls of each second T-shaped guide rod are sleeved with a third spring.

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

[0023] The present invention is provided with a spraying device, etc., when it is necessary to spray anti-fingerprint oil on the stainless steel enclosure, first pull the first T-shaped guide rod, so that the rotating ring and the piston move upward along the side wall of the plastic upper pot, and at the same time, the first spring is compressed, and then the anti-fingerprint oil is supplied to the plastic upper pot through the liquid adding pipe, and then the first T-shaped guide rod is released, and the rotating ring and the piston can move downward under the action of the first spring and resist the anti-fingerprint oil, and then press the trigger to rotate along the rotating shaft to perform the spraying operation. When spraying, under the action of the first spring, The piston is always against the anti-fingerprint oil, so that the anti-fingerprint oil can smoothly enter the gun body, which is more stable and reliable. At the same time, it can avoid the shaking of the anti-fingerprint oil and ensure that its liquid surface is parallel to the scale mark, so as to facilitate the observation of the scale mark and ensure the efficiency and effect of spraying. In addition, by turning the knob, the rotation of the knob drives the rotation of the threaded rod, and the connecting block can drive the moving ring to slide along the side wall of the first T-shaped guide rod, so that the compression amount of the first spring can be adjusted, and then the squeezing force of the piston on the anti-fingerprint oil can be adjusted, which has stronger applicability and better use effect.

[0024] The present invention provides a stirring mechanism, etc., so that when spraying, as the anti-fingerprint oil gradually decreases, the piston will gradually move downward under the action of the first spring, and when the piston moves downward, it can drive the fixed rod to move downward, and at the same time, the push pin slides upward along the sliding groove, thereby pushing the fixed rod and the piston to rotate, and when the piston rotates, it can drive the stirring rod to rotate through the second reset mechanism, so that the anti-fingerprint oil can be automatically stirred to make it more uniform, thereby ensuring the quality of spraying, and when the ball bearing is against the bottom of the plastic upper pot, the second spring can be gradually stretched, and at the same time, the ball bearing can roll on the bottom of the plastic upper pot.

[0025] The present invention provides a limiting mechanism, etc., so that when the trigger rotates along the rotating shaft during spraying, the ring is driven to rotate synchronously, so that the fan-shaped block slides out of the fan-shaped groove and slides on the side wall of the ring. At the same time, the third spring is compressed. When the flow rate is adjusted to a suitable size, when the trigger is released, the fan-shaped block can be offset against another fan-shaped groove under the action of the third spring, thereby achieving a limiting effect, which is more stable and reliable. There is no need for the operator to hold down the trigger all the time to operate, thereby ensuring the stability of the flow rate during spraying and further ensuring the quality of the spraying. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a process flow chart of the present invention;

[0027] Figure 2 It is a schematic diagram of the overall structure of the spraying device in the present invention;

[0028] Figure 3 It is a partial cross-sectional structural schematic diagram of the plastic upper pot in the spraying device of the present invention;

[0029] Figure 4 for Figure 2 Enlarged view of point A in the middle;

[0030] Figure 5 for Figure 3 Enlarged view of point B in the middle;

[0031] Figure 6 for Figure 3 Enlarged view of point C in the middle;

[0032] Figure 7 for Figure 6 Enlarged view of point D in the middle;

[0033] Figure 8 for Figure 7 Enlarged view of point E in the middle.

[0034] In the figure: 1, spray gun body; 101, gun body; 102, trigger; 103, rotating shaft; 104, nozzle assembly; 105, plastic upper pot; 106, scale mark; 201, L-shaped block; 202, first T-shaped guide rod; 203, first spring; 301, moving ring; 302, connecting block; 401, sleeve rod; 402, sleeve; 403, threaded rod; 404, threaded tube; 405, knob; 501, stirring rod; 502, ball bearing; 601, disc; 602, second spring; 701, fixed rod; 702, sliding groove; 703, support block; 704, U-shaped frame; 705, push pin; 801, ring; 802, fan-shaped groove; 803, fan-shaped block; 901, fixed block; 902, second T-shaped guide rod; 903, third spring; 10, annular cover; 11, fixed ring; 12, rotating ring; 13, piston; 14, liquid adding tube. DETAILED DESCRIPTION

[0035] 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.

[0036] See also Figure 1-Figure 8 The anti-fingerprint treatment process of the stainless steel panel shown in the figure includes the following steps:

[0037] S1: Remove the protective film on the surface of the stainless steel plate, and use a non-woven cloth dipped in a special cleaning agent to wipe the dirt on the surface of the stainless steel enclosure. Use a non-linting non-woven cloth, and ordinary rags cannot be used;

[0038] S2: Use a spraying device to spray the anti-fingerprint oil evenly on the surface of the stainless steel plate 3 to 4 times. During the spraying process, it is necessary to keep a distance of more than 500mm from the surface of the stainless steel enclosure. At the same time, control the spraying amount. Do not spray too much to form flow marks and do not omit any. The anti-fingerprint oil uses self-drying nano anti-fingerprint oil;

[0039] S3: The compressed air used by the spraying device must not contain moisture or oil. An oil-water separator must be added to the front end of the air pipe of the spraying device to ensure that the compressed air is clean and dry;

[0040] S4: The sprayed stainless steel sheet should be left to stand for more than 3 hours to ensure that the anti-fingerprint oil is fully dried and cured before installing the stainless steel sheet to form a stainless steel enclosure.

[0041] The spraying device includes a spray gun body 1, and the spray gun body 1 includes a gun body 101, a trigger 102, a nozzle assembly 104 and a plastic upper pot 105, the trigger 102 is rotatably connected to the side wall of the gun body 101 through a rotating shaft 103, and the side wall of the plastic upper pot 105 is provided with a scale mark 106, the side wall of the plastic upper pot 105 is threadedly connected with an annular cover 10, and the inner side wall of the annular cover 10 is fixedly connected with a fixing ring 11, a piston 13 is inserted in the plastic upper pot 105, and the top of the piston 13 is rotatably connected with a rotating ring 12, the rotating ring 12 is connected to the top of the fixing ring 11 through a first reset mechanism, and the bottom of the piston 13 is provided with a stirring mechanism for stirring the anti-fingerprint oil, a liquid adding pipe 14 is fixedly inserted at the top of the piston 13, and a one-way valve is provided in the liquid adding pipe 14, and the rotation of the piston 13 is controlled by the rotation of the piston 13. The gun body 101 is driven by a driving mechanism, and a limiting mechanism for limiting the rotating shaft 103 is provided on the side wall of the gun body 101. When the anti-fingerprint oil is sprayed using the spray gun body, the piston 13 can always be against the anti-fingerprint oil, so that the anti-fingerprint oil can smoothly enter the gun body 101, which is more stable and reliable. At the same time, the shaking of the anti-fingerprint oil can be avoided, and the liquid level can be guaranteed to be parallel to the scale mark 106, so that the scale mark 106 is easy to observe and the efficiency and effect of spraying are guaranteed; when spraying, the anti-fingerprint oil can be automatically stirred to make it more uniform and ensure the quality of spraying; when spraying, the trigger 102 can be limited, which is more stable and reliable, and the operator does not need to press the trigger 102 all the time to operate, which can ensure the stability of the flow rate during spraying, thereby ensuring the efficiency and quality of spraying.

[0042] The first reset mechanism includes two symmetrically arranged first T-shaped guide rods 202 fixedly connected to the top of the rotating ring 12, and the side wall of each first T-shaped guide rod 202 is sleeved with an L-shaped block 201, the L-shaped block 201 is fixed to the top of the fixed ring 11, and the side wall of each first T-shaped guide rod 202 is sleeved with a first spring 203, and the side wall of the first T-shaped guide rod 202 is provided with an adjustment mechanism for adjusting the compression amount of the first spring 203, which plays a guiding and reset role in the movement of the rotating ring 12 and the piston 13.

[0043] The adjusting mechanism includes a movable ring 301 sleeved on the side wall of the first T-shaped guide rod 202, the side wall of the movable ring 301 is fixedly connected with a connecting block 302, and a lifting mechanism is arranged between the connecting block 302 and the rotating ring 12. The connecting block 302 and the rotating ring 12 are driven to move by the lifting mechanism, so that the compression amount of the first spring 203 can be adjusted, and then the squeezing force of the piston 13 on the anti-fingerprint oil can be adjusted, which has stronger applicability and better use effect.

[0044] The lifting mechanism includes a sleeve rod 401 fixedly connected to the bottom of the connecting block 302, and the side wall of the sleeve rod 401 is sleeved with a sleeve 402, the lower end of the sleeve 402 is fixed to the top of the rotating ring 12, and the bottom of the connecting block 302 is rotatably connected with a threaded rod 403, the side wall of the threaded rod 403 is threadedly connected with a threaded tube 404, the lower end of the threaded tube 404 is fixed to the top of the rotating ring 12, and the upper end of the threaded rod 403 is fixedly connected with a knob 405, the knob 405 is turned, and the rotation of the knob 405 drives the rotation of the threaded rod 403, which can drive the moving ring 301 to slide along the side wall of the first T-shaped guide rod 202 through the connecting block 302.

[0045] The stirring mechanism includes a plurality of stirring rods 501 arranged in an array and inserted at the bottom of the piston 13. A ball 502 is provided at the lower end of the stirring rod 501, and the upper end of the stirring rod 501 passes through the top of the piston 13 and is connected to the top of the piston 13 through a second reset mechanism. The piston 13 is driven to rotate by a driving mechanism. When the piston 13 rotates, the stirring rod 501 can be driven to rotate through the second reset mechanism, so that the anti-fingerprint oil can be automatically stirred to make it more uniform and ensure the quality of the spraying.

[0046] The second reset mechanism includes a disc 601 fixedly connected to the upper end of the stirring rod 501, and the side wall of the stirring rod 501 is sleeved with a second spring 602, and the two ends of the second spring 602 are respectively fixed to the disc 601 and the piston 13. When the ball 502 is against the bottom of the plastic upper pot 105, the second spring 602 can be gradually stretched, and the elastic coefficient of the first spring 203 is greater than the elastic coefficient of the second spring 602, ensuring that the piston 13 can move downward normally.

[0047] The driving mechanism includes a fixed rod 701 fixedly connected to the top of the piston 13, and the side wall of the fixed rod 701 is provided with a spirally arranged sliding groove 702, the top of the fixed ring 11 is fixedly connected to a support block 703, and the top of the support block 703 is fixedly connected to a U-shaped frame 704, the side wall of the U-shaped frame 704 is fixedly connected to a push pin 705, and the push pin 705 is inserted in the sliding groove 702. During spraying, as the anti-fingerprint oil gradually decreases, the piston 13 will gradually move downward under the action of the first spring 203. When the piston 13 moves downward, it can drive the fixed rod 701 to move downward. At the same time, the push pin 705 slides upward along the sliding groove 702, thereby pushing the fixed rod 701 and the piston 13 to rotate.

[0048] The limiting mechanism includes a circular ring 801 fixedly sleeved on the side wall of the rotating shaft 103, and the side wall of the circular ring 801 is provided with a plurality of fan-shaped grooves 802 arranged in an array. The side wall of the gun body 101 is connected with a fan-shaped block 803 through a third reset mechanism, and the fan-shaped block 803 is against the fan-shaped groove 802. When spraying, when the trigger 102 rotates along the rotating shaft 103, the circular ring 801 is driven to rotate synchronously, so that the fan-shaped block 803 slides out of the fan-shaped groove 802 and slides on the side wall of the circular ring 801. When the flow rate is adjusted to a suitable size, when the trigger 102 is released, the fan-shaped block 803 can be against another fan-shaped groove 802 under the action of the third reset mechanism, so as to achieve a limiting effect, which is more stable and reliable. There is no need for the operator to hold down the trigger 102 all the time to operate, thereby ensuring the stability of the flow rate during spraying, and then ensuring the quality of spraying.

[0049] The third reset mechanism includes two symmetrically arranged second T-shaped guide rods 902 fixedly connected to the side walls of the sector block 803, and the side walls of the second T-shaped guide rods 902 are sleeved with fixed blocks 901, and the fixed blocks 901 are fixed to the side walls of the gun body 101, and the side walls of each second T-shaped guide rod 902 are sleeved with third springs 903, which play a guiding and reset role for the movement of the sector block 803.

[0050] Working principle: When it is necessary to spray anti-fingerprint oil on the stainless steel enclosure, first pull the first T-shaped guide rod 202 to make the rotating ring 12 and the piston 13 move upward along the side wall of the plastic upper pot 105. At the same time, the first spring 203 is compressed. Then, the anti-fingerprint oil is supplied into the plastic upper pot 105 through the liquid adding pipe 14. Then, the first T-shaped guide rod 202 is released. The rotating ring 12 and the piston 13 can move downward under the action of the first spring 203 and resist the anti-fingerprint oil.

[0051] Then, the trigger 102 is pressed to rotate along the rotating shaft 103 to perform the spraying operation. During the spraying operation, under the action of the first spring 203, the piston 13 can always be against the anti-fingerprint oil, so that the anti-fingerprint oil can smoothly enter the gun body 101, which is more stable and reliable. At the same time, the shaking of the anti-fingerprint oil can be avoided, and the liquid level can be ensured to be parallel to the scale mark 106, so that the scale mark 106 is easy to observe, and the efficiency and effect of the spraying are ensured. In addition, by rotating the knob 405, the rotation of the knob 405 drives the rotation of the threaded rod 403, and the connecting block 302 can drive the moving ring 301 to slide along the side wall of the first T-shaped guide rod 202, so that the compression amount of the first spring 203 can be adjusted, and then the squeezing force of the piston 13 on the anti-fingerprint oil can be adjusted, which has stronger applicability and better use effect.

[0052] During spraying, as the anti-fingerprint oil gradually decreases, the piston 13 will gradually move downward under the action of the first spring 203. When the piston 13 moves downward, it can drive the fixed rod 701 to move downward. At the same time, the push pin 705 slides upward along the sliding groove 702, thereby pushing the fixed rod 701 and the piston 13 to rotate. When the piston 13 rotates, the stirring rod 501 can be driven to rotate through the second reset mechanism, so that the anti-fingerprint oil can be automatically stirred to make it more uniform, thereby ensuring the quality of spraying. Moreover, when the ball 502 is against the bottom of the plastic upper pot 105, the second spring 602 can be gradually stretched, and at the same time, the ball 502 can roll on the bottom of the plastic upper pot 105.

[0053] During spraying, when the trigger 102 rotates along the rotating shaft 103, the ring 801 is driven to rotate synchronously, so that the fan-shaped block 803 slides out of the fan-shaped groove 802 and slides on the side wall of the ring 801. At the same time, the third spring 903 is compressed. When the flow rate is adjusted to a suitable level, when the trigger 102 is released, the fan-shaped block 803 can be offset against another fan-shaped groove 802 under the action of the third spring 903, thereby achieving a limiting effect, which is more stable and reliable. The operator does not need to hold down the trigger 102 all the time to operate, thereby ensuring the stability of the flow rate during spraying and thus ensuring the quality of the spraying.

[0054] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0055] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Anti-fingerprint treatment process for stainless steel panels, characterized in that: The following steps are involved: S1: Remove the surface protective film of the stainless steel plate, and use a non-woven cloth dipped in a special cleaning agent to clean the dirt on the surface of the stainless steel enclosure; S2: Use a spraying device to evenly spray the anti-fingerprint oil on the surface of the stainless steel plate 3 to 4 times; S3: An oil-water separator is installed at the front end of the air pipe of the spraying device to ensure that the compressed air is clean and dry, so that the compressed air used by the spraying device does not contain moisture and oil; S4: Let the sprayed stainless steel sheet stand to ensure that the anti-fingerprint oil is fully dried and solidified, and then install the stainless steel sheet to form a stainless steel enclosure.

2. The anti-fingerprint treatment process for stainless steel panels according to claim 1 is characterized in that: In step S2, during the spraying process, the distance from the surface of the stainless steel enclosure is more than 500 mm.

3. The anti-fingerprint treatment process for stainless steel panels according to claim 1 is characterized in that: In step S4, the standing time is 3 hours or more.

4. The anti-fingerprint treatment process for stainless steel panels according to claim 1 is characterized in that: The spraying device comprises a spray gun body (1), and the spray gun body (1) comprises a gun body (101), a trigger (102), a nozzle assembly (104) and a plastic upper pot (105), wherein the trigger (102) is rotatably connected to the side wall of the gun body (101) via a rotating shaft (103), and the side wall of the plastic upper pot (105) is provided with a scale mark (106), the side wall of the plastic upper pot (105) is threadedly connected with an annular cover (10), and the inner side wall of the annular cover (10) is fixedly connected with a fixing ring (11), and a fixing ring (11) is inserted into the plastic upper pot (105). A piston (13) is provided, and the top of the piston (13) is rotatably connected to a rotating ring (12), the rotating ring (12) is connected to the top of a fixed ring (11) through a first reset mechanism, and a stirring mechanism for stirring anti-fingerprint oil is provided at the bottom of the piston (13), a liquid adding pipe (14) is fixedly inserted at the top of the piston (13), and a one-way valve is provided in the liquid adding pipe (14), the rotation of the piston (13) is driven by a driving mechanism, and a limiting mechanism for limiting the rotation shaft (103) is provided on the side wall of the gun body (101); The first reset mechanism comprises two symmetrically arranged first T-shaped guide rods (202) fixedly connected to the top of the rotating ring (12), and the side wall of each first T-shaped guide rod (202) is sleeved with an L-shaped block (201), the L-shaped block (201) is fixed to the top of the fixed ring (11), and the side wall of each first T-shaped guide rod (202) is sleeved with a first spring (203), and the side wall of the first T-shaped guide rod (202) is provided with an adjustment mechanism for adjusting the compression amount of the first spring (203); The adjustment mechanism comprises a moving ring (301) sleeved on the side wall of the first T-shaped guide rod (202); the side wall of the moving ring (301) is fixedly connected with a connecting block (302); and a lifting mechanism is provided between the connecting block (302) and the rotating ring (12).

5. The anti-fingerprint treatment process for stainless steel panels according to claim 4 is characterized in that: The lifting mechanism comprises a sleeve rod (401) fixedly connected to the bottom of the connecting block (302), and a sleeve tube (402) is sleeved on the side wall of the sleeve rod (401), the lower end of the sleeve tube (402) is fixed to the top of the rotating ring (12), and a threaded rod (403) is rotatably connected to the bottom of the connecting block (302), the side wall of the threaded rod (403) is threadedly connected to a threaded tube (404), the lower end of the threaded tube (404) is fixed to the top of the rotating ring (12), and the upper end of the threaded rod (403) is fixedly connected to a knob (405).

6. The anti-fingerprint treatment process for stainless steel panels according to claim 4 is characterized in that: The stirring mechanism comprises a plurality of stirring rods (501) arranged in an array and inserted at the bottom of the piston (13); a ball (502) is arranged at the lower end of the stirring rod (501); and the upper end of the stirring rod (501) passes through the top of the piston (13) and is connected to the top of the piston (13) through a second reset mechanism.

7. The anti-fingerprint treatment process for stainless steel panels according to claim 6 is characterized by: The second reset mechanism comprises a disc (601) fixedly connected to the upper end of the stirring rod (501), the side wall of the stirring rod (501) is sleeved with a second spring (602), and the two ends of the second spring (602) are respectively fixed to the disc (601) and the piston (13).

8. The anti-fingerprint treatment process for stainless steel panels according to claim 4 is characterized in that: The driving mechanism comprises a fixing rod (701) fixedly connected to the top of the piston (13), and a spirally arranged sliding groove (702) is provided on the side wall of the fixing rod (701); a supporting block (703) is fixedly connected to the top of the fixing ring (11), and a U-shaped frame (704) is fixedly connected to the top of the supporting block (703); a pushing pin (705) is fixedly connected to the side wall of the U-shaped frame (704), and the pushing pin (705) is inserted into the sliding groove (702).

9. The anti-fingerprint treatment process for stainless steel panels according to claim 4 is characterized in that: The limiting mechanism comprises a circular ring (801) fixedly sleeved on the side wall of the rotating shaft (103), and the side wall of the circular ring (801) is provided with a plurality of fan-shaped grooves (802) arranged in an array, and the side wall of the gun body (101) is connected with a fan-shaped block (803) through a third reset mechanism, and the fan-shaped block (803) abuts against the fan-shaped groove (802).

10. The anti-fingerprint treatment process for stainless steel panels according to claim 9, characterized in that: The third reset mechanism comprises two symmetrically arranged second T-shaped guide rods (902) fixedly connected to the side wall of the fan-shaped block (803), and the side wall of the second T-shaped guide rod (902) is sleeved with a fixing block (901), the fixing block (901) is fixed to the side wall of the gun body (101), and the side wall of each second T-shaped guide rod (902) is sleeved with a third spring (903).