Motor shaft oil stain removal apparatus and method of use

Abstract

The application discloses a motor shaft oil stain removing equipment and a use method thereof. The equipment comprises a cabinet body and an air extraction mechanism connected to the back of the cabinet body. A perforated plate is connected in the cabinet body. The perforated plate is used for supporting a motor shaft. The top of the perforated plate is connected with a positioning seat matched with the motor shaft. The perforated plate is connected with a pressing mechanism used for pressing the motor shaft. The cabinet body is connected with a gas blowing mechanism used for blowing gas to the motor shaft. The gas blowing mechanism comprises a gas supply source, a gas conveying plate, a hydraulic cylinder, an annular pipe and a plurality of gas injection ports. The outer side of the gas conveying plate is connected with a horizontal plate one. The lifting plate is connected with a scraping mechanism used for scraping the perforated plate. The equipment can realize comprehensive blowing of the motor shaft, timely cleaning of the adhered oil stains, high efficiency, centering and pressing of the motor shaft, improvement of the stability of the motor shaft, convenient gas injection blowing, scraping treatment of the perforated plate, prevention of the perforated plate from being blocked and convenient gas flow.

Description

TECHNICAL FIELD

[0001] The present application relates to the motor shaft processing technical field, specifically to a motor shaft oil stain removal equipment and use method. BACKGROUND

[0002] The motor shaft is a cylindrical component that extends from the motor and the shell, which is not only a support in the motor, but also an output of the motor power, and the target is to convert the energy of the motor to provide the speed and torque required by the motor. The motor shaft has very high strength and rigidity to ensure the realization of the function, and generally uses high-quality carbon steel as the material.

[0003] During the machining of the motor shaft, a large amount of cutting oil and cutting fluid, and a small amount of iron filings are attached to the surface of the product. Generally, a worker holds a gas gun in one hand and lifts the motor shaft with the other hand, and then blows the surface of the product with high-pressure gas flow to remove the oil stains. However, the motor shaft weighs about 5 kg, and long-time operation is time-consuming and laborious. Moreover, the oil stains on the product cannot be completely removed, the cleaning efficiency is low, and the subsequent processing of the motor shaft is affected. SUMMARY

[0004] The purpose of the present application is to provide a motor shaft oil stain removal equipment and use method, which can realize comprehensive blowing of the motor shaft, clean the attached oil stains in time, has high efficiency, realizes centering and pressing of the motor shaft, improves the stability of the motor shaft, has the advantages of facilitating jet blowing, and solves the problems in the above background technology.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a motor shaft oil stain removal equipment, comprising a cabinet body and an air extraction mechanism connected to the back of the cabinet body, a plurality of perforated plates are connected in the cabinet body, the perforated plates are used for supporting the motor shaft, and the top of the perforated plate is connected with a positioning seat matched with the motor shaft, the perforated plate is connected with a pressing mechanism for pressing the motor shaft, the pressing mechanism comprises a fixed cylinder, a pressing column, a spring, and a V-shaped pressing plate, the two ends of the spring are connected with the fixed cylinder and the pressing column, the pressing column is used for driving the V-shaped pressing plate to move, the cabinet body is connected with a blowing mechanism for blowing air to the motor shaft, the blowing mechanism comprises a gas source, a gas delivery plate, a hydraulic cylinder, an annular pipe, and a plurality of jet ports, the hydraulic cylinder is used for driving the gas delivery plate to lift, the exhaust end of the gas source is connected with the gas delivery plate, the annular pipe is communicated with the bottom of the gas delivery plate, the plurality of jet ports are uniformly connected to the annular pipe, the outer side of the gas delivery plate is connected with a first horizontal plate, the first horizontal plate is connected with a lifting plate for guiding the first horizontal plate, the end of the fixed cylinder is connected with the lifting plate, and the lifting plate is connected with a scraping mechanism for scraping the perforated plate.

[0006] Preferably, the air extraction mechanism comprises an air suction pipe, a purifier, a fan, a base, one end of the air suction pipe is communicated with the cabinet, the other end is connected with the air suction end of the fan, the fan is fixed on the top of the base, and the air exhaust end of the fan is detachably connected with the purifier.

[0007] Preferably, the base is fixed on the back of the cabinet.

[0008] Preferably, the pressing mechanism further comprises an inner cavity, a guide rail and a moving plate, the inner cavity is arranged in the fixed cylinder, the pressing column is slidably connected with the inner cavity, the spring is arranged in the inner cavity, the guide rail is used for guiding the moving plate, and the V-shaped pressing plate is fixed on the end of the moving plate.

[0009] Preferably, the guide rail is fixed on the top of the multi-hole plate, and the moving plate is slidably connected with the guide rail.

[0010] Preferably, the air blowing mechanism further comprises a gas conveying hose and a telescopic rod, the air exhaust end of the gas source is connected with the gas conveying hose, one end of the gas conveying hose is communicated with the air conveying plate, the power output end of the hydraulic cylinder is connected with the telescopic rod, and the other end of the telescopic rod is connected with the air conveying plate.

[0011] Preferably, an oil collecting groove is arranged at the bottom of the inside of the cabinet, and an air inlet is arranged at the top of the side of the cabinet, and the air inlet is buckled with a filter screen.

[0012] Preferably, the scraping mechanism comprises a second horizontal plate, a connecting seat, two push-pull plates and two scraping plates, two ends of the second horizontal plate are connected with the two lifting plates, the connecting seat is fixed on the top of the second horizontal plate, two ends of the push-pull plate are hingedly connected with the corresponding scraping plate and the connecting seat, and the scraping plate is attached to the bottom of the multi-hole plate.

[0013] Preferably, the bottom of the multi-hole plate is provided with two sliding grooves, and two ends of the scraping plate are slidably connected with the corresponding sliding grooves.

[0014] A use method of the motor shaft oil stain removing equipment, comprising the following steps:

[0015] Step one: insert the bottom of the motor shaft into the positioning seat to realize preliminary limiting, drive the air conveying plate to move downward by the hydraulic cylinder, synchronously drive the annular pipe and the two lifting plates to move downward, discharge the high-pressure gas from the multiple air outlets through the gas conveying hose by the gas source, realize the air jet on the motor shaft, and the downward movement of the lifting plate can make the fixed cylinder gradually press on the moving plate, push the V-shaped pressing plate to move forward and be pressed on the outside of the motor shaft, realize the fixation of the motor shaft, and the spring is gradually compressed at this time.

[0016] Step two: during the moving down of the annular pipe, the annular pipe passes through the motor shaft, the overall air blowing to the motor shaft can be realized, the adhered oil is blown clean, the cleanness of the motor shaft is improved, meanwhile, the end of the fixing cylinder continues to move down, the spring is further compressed, the V-shaped pressing plate exerts gradually increasing pressure on the motor shaft, the stability of the motor shaft is further improved, and the motor shaft limiting of different diameters can be applied;

[0017] Step three: further, the moving down of the lifting plate also drives the horizontal plate two to move down, the horizontal plate two drives the connecting seat to move down, that is, the connecting seat exerts pulling force on the two push-pull plates, drives the two scrapers to approach each other, realizes the scraping treatment of the multi-hole plate, prevents the multi-hole plate from being blocked, facilitates the flow of gas, and the generated oil stains drop in the oil collecting groove, which is convenient for subsequent use.

[0018] Compared with the prior art, the beneficial effects of the present application are as follows: the present application is provided with a pressing mechanism, a blowing mechanism and a scraping mechanism, the pressing mechanism comprises a fixing cylinder, a pressing column, a spring, a V-shaped pressing plate, an inner cavity, a guide rail and a moving plate, the blowing mechanism comprises a gas supply source, a gas conveying plate, a hydraulic cylinder, an annular pipe, a plurality of air outlets, a gas conveying hose and a telescopic rod, and the scraping mechanism comprises a horizontal plate two, a connecting seat, two push-pull plates and two scrapers, the bottom of the motor shaft is inserted on the positioning seat to realize preliminary limiting, the hydraulic cylinder drives the gas conveying plate to move down, synchronously drives the annular pipe and the plurality of air outlets to move down, the gas supply source continuously supplies gas to the annular pipe, so that the gas is discharged from the plurality of air outlets, the annular pipe passes through the motor shaft to realize overall blowing and cleaning of the motor shaft, the efficiency is high, at the same time, the moving down of the gas conveying plate drives the lifting plate to move down, the lifting plate exerts downward thrust on the fixing cylinder, the pressing column pushes the moving plate and the V-shaped pressing plate to move forward, the spring is gradually compressed, the motor shaft is centered and pressed, the stability of the motor shaft is improved, the motor shaft is in a suitable position, air blowing and cleaning are facilitated, further, the moving down of the lifting plate also drives the horizontal plate two to move down, the horizontal plate two drives the connecting seat to move down, that is, the connecting seat exerts pulling force on the two push-pull plates, drives the two scrapers to approach each other, realizes the scraping treatment of the multi-hole plate, prevents the multi-hole plate from being blocked, facilitates the flow of gas, and the generated oil stains drop in the oil collecting groove, which is convenient for subsequent use. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a perspective view of the present application; (front view angle)

[0020] Figure 2 It is a perspective view of the present application; (back view angle)

[0021] Figure 3It is the cabinet internal structure schematic view of the present application;

[0022] Figure 4 It is the partial view of Figure 3 ;

[0023] Figure 5 It is the scraping mechanism and multi-hole plate connecting structure schematic view of the present application;

[0024] Figure 6 It is the partial view of Figure 5 ;

[0025] Figure 7 It is the partial view of Figure 5 ;

[0026] Figure 8 It is the fixed cylinder and pressing column connecting structure schematic view of the present application.

[0027] In the figure: 1, cabinet; 2, gas supply source; 3, hydraulic cylinder; 4, filter screen; 5, cabinet door; 6, discharge pipeline; 7, suction pipeline; 8, purifier; 9, fan; 10, base; 11, gas conveying hose; 12, telescopic rod; 13, horizontal plate one; 14, lifting plate; 15, fixed cylinder; 16, pressing column; 17, multi-hole plate; 18, push-pull plate; 19, horizontal plate two; 20, connecting seat; 21, suction port; 22, gas conveying plate; 23, moving plate; 24, positioning seat; 25, oil collecting groove; 26, guide rail; 27, V-shaped pressing plate; 28, air inlet; 29, annular pipe; 30, air jet port; 31, sliding groove; 32, scraper; 33, inclined scraping surface; 34, inner cavity; 35, spring. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work are within the protection scope of the present application.

[0029] Please refer to Figures 1 to 8The motor shaft oil stain removing equipment provided by the application comprises a cabinet body 1, an air extraction mechanism connected to the back of the cabinet body 1, and a cabinet door 5 hinged to the front end of the cabinet body 1, and the cabinet door 5 is opened to facilitate the placement of the motor shaft on the top of a perforated plate 17. The cabinet body 1 is connected with the perforated plate 17, the perforated plate 17 is used for supporting the motor shaft, and the top of the perforated plate 17 is connected with a positioning seat 24 matched with the motor shaft, and the positioning seat 24 is a cylindrical structure. The perforated plate 17 is connected with a pressing mechanism used for pressing the motor shaft, the pressing mechanism comprises a fixed cylinder 15, a pressing column 16, a spring 35, and V-shaped pressing plates 27, the two ends of the spring 35 are connected with the fixed cylinder 15 and the pressing column 16, the pressing column 16 is used for driving the V-shaped pressing plates 27 to move, when the connecting groove at the bottom of the motor shaft is connected with the positioning seat 24, there is a certain distance between the two, the two V-shaped pressing plates 27 are close to each other and are pressed on the outer side of the motor shaft, the position of the motor shaft can be adjusted, the centering treatment is realized, the motor shaft is located directly below an annular pipe 29, subsequent processing is facilitated, different diameter motor shafts can be pressed tightly, and the applicability is strong. The cabinet body 1 is connected with a blowing mechanism used for blowing air to the motor shaft, the blowing mechanism comprises a gas source 2, a gas conveying plate 22, a hydraulic cylinder 3, the annular pipe 29, and a plurality of air outlets 30, the hydraulic cylinder 3 is used for driving the gas conveying plate 22 to ascend and descend, the exhaust end of the gas source 2 is connected with the gas conveying plate 22, the annular pipe 29 is communicated with the bottom of the gas conveying plate 22, the plurality of air outlets 30 are uniformly connected to the annular pipe 29, the air outlets 30 can be six, the adjacent included angle is 60°, and the air outlets 30 are directed towards the positioning seat 24, the motor shaft is fully blown, the attached materials are blown away, and a good cleaning purpose is achieved. The outer side of the gas conveying plate 22 is connected with a horizontal plate 13, the horizontal plate 13 is connected with a lifting plate 14 used for guiding the horizontal plate 13, the lifting plate 14 penetrates through the perforated plate 17, the stability of the lifting plate 14 in ascending and descending can be improved, the end of the fixed cylinder 15 is connected with the lifting plate 14 in an axis manner, and the lifting plate 14 is connected with a scraping mechanism used for scraping the perforated plate 17.

[0030] The bottom of the motor shaft is inserted on the positioning seat 24 to achieve preliminary limiting, the hydraulic cylinder 3 drives the gas delivery plate 22 to move downwards, synchronously drives the annular pipe 29 and the plurality of air injection ports 30 to move downwards, the gas source 2 continuously supplies gas to the annular pipe 29, gas is discharged from the plurality of air injection ports 30, the annular pipe 29 passes through the motor shaft, overall blowing of the motor shaft is realized, oil stains adhered are cleaned in time, and the efficiency is high. At the same time, the downward movement of the gas delivery plate 22 drives the lifting plate 14 to move downwards, the lifting plate 14 exerts a downward pushing force on the fixed cylinder 15, the pressing column 16 drives the moving plate 23 and the V-shaped pressing plate 27 to move forward, the spring 35 is gradually compressed, the motor shaft is centered and pressed, the stability of the motor shaft is improved, the motor shaft is in a suitable position, and air blowing and sweeping are facilitated. Further, the downward movement of the lifting plate 14 also drives the horizontal plate two 19 to move downwards, the horizontal plate two 19 drives the connecting seat 20 to move downwards, that is, the connecting seat 20 exerts a pulling force on the two push-pull plates 18, drives the two scrapers 32 to move close to each other, realizes scraping treatment of the perforated plate 17, prevents the perforated plate 17 from being blocked, facilitates the flow of gas, and oil stains generated fall into the oil collecting groove 25, facilitating subsequent use.

[0031] The air suction mechanism comprises an air suction pipeline 7, a purifier 8, a fan 9, and a base 10. One end of the air suction pipeline 7 is communicated with the cabinet 1, and the other end is connected with the air suction end of the fan 9. The back of the cabinet 1 is provided with an air suction port 21 connected with the end of the air suction pipeline 7. The fan 9 is fixed on the top of the base 10, and the exhaust end of the fan 9 is detachably connected with the purifier 8. The base 10 is fixed on the back of the cabinet 1. During the machining of the motor shaft, the fan 9 is in an open state, and the fan 9 sucks the external air into the cabinet 1 through the air inlet 28 and flows from top to bottom, so that the oil mist generated in the cabinet 1 can be sucked away in time. The gas containing the oil mist is purified and filtered by the purifier 8, and the clean gas is discharged to the outside, so that the oil mist can be prevented from being dispersed to the outside of the cabinet 1, the air pollution is avoided, the health of the human body is not affected, and the oil mist in the air is purified.

[0032] The pressing mechanism further comprises an inner cavity 34, a guide rail 26 and a moving plate 23. The inner cavity 34 is arranged in the fixed cylinder 15, the pressing column 16 is slidably connected with the inner cavity 34, the spring 35 is located in the inner cavity 34, the guide rail 26 is used for guiding the moving plate 23, and the V-shaped pressing plate 27 is fixed on the end of the moving plate 23. During the downward movement of the lifting plate 14, the angle between the fixed cylinder 15 and the perforated plate 17 gradually decreases, the spring 35 is gradually compressed, the moving plate 23 and the V-shaped pressing plate 27 move towards the positioning seat 24, the V-shaped pressing plate 27 is pressed on the motor shaft, and the pressure gradually increases, so that the stability of the motor shaft is ensured.

[0033] The guide rail 26 is fixed on the top of the multi-hole plate 17, and the moving plate 23 is slidingly connected to the guide rail 26, so that the guide rail 26 can guide the moving plate 23 well, and the V-shaped pressing plate 27 can move stably.

[0034] The air blowing mechanism further comprises a gas conveying hose 11 and a telescopic rod 12, the exhaust end of the gas source 2 is connected to the gas conveying hose 11, the end of the gas conveying hose 11 is communicated with the gas conveying plate 22, the power output end of the hydraulic cylinder 3 is connected to the telescopic rod 12, and the end of the telescopic rod 12 is connected to the gas conveying plate 22, so that the hydraulic cylinder 3 can drive the telescopic rod 12 to ascend and descend, and the gas conveying plate 22 and the annular pipe 29 can ascend and descend, thereby facilitating the position control of the annular pipe 29.

[0035] The inside bottom end of the cabinet body 1 is provided with an oil collecting groove 25, the bottom end of the oil collecting groove 25 is inclined, the inclination angle is 1-2°, the oil collecting groove 25 is communicated with a discharge pipeline 6, the adjusting valve on the discharge pipeline 6 can be opened regularly to discharge the stored oil in time, and the discharged oil is relatively clean.

[0036] The scraping mechanism comprises a second horizontal plate 19, a connecting seat 20, two push-pull plates 18 and two scraping plates 32, the two ends of the second horizontal plate 19 are connected to the two lifting plates 14, the connecting seat 20 is fixed on the top of the second horizontal plate 19, the two ends of the push-pull plate 18 are hingedly connected to the corresponding scraping plate 32 and the connecting seat 20, the scraping plate 32 is attached to the bottom of the multi-hole plate 17, and the side surface of the scraping plate 32 is provided with an inclined scraping surface 33, so that the generated oil droplets can drop from the height direction of the inclined scraping surface 33.

[0037] During the oil dirt blowing process of the motor shaft surface, the second horizontal plate 19 is in a descending state, the second horizontal plate 19 exerts a pulling force on the two push-pull plates 18, so that the included angle between the two push-pull plates 18 is reduced, the two scraping plates 32 are driven to move close to each other, and the multi-hole plate 17 can be scraped once; when the motor shaft needs to be loosened, the lifting plate 14 is lifted, the second horizontal plate 19 exerts a pushing force on the two push-pull plates 18, so that the included angle between the two push-pull plates 18 is increased, the two scraping plates 32 are driven to move away from each other, and the multi-hole plate 17 can be scraped twice, thereby further improving the cleanliness of the multi-hole plate 17.

[0038] The bottom of the multi-hole plate 17 is provided with two sliding grooves 31, and the two ends of the scraping plate 32 are slidingly connected to the corresponding sliding grooves 31, so that the stability of the reciprocating movement of the scraping plate 32 is improved.

[0039] A use method of the motor shaft oil dirt removal equipment, comprising the following steps:

[0040] Step one: the bottom of the motor shaft is inserted into the positioning seat 24 to achieve preliminary limiting, the hydraulic cylinder 3 drives the gas delivery plate 22 to move down, synchronously driving the annular pipe 29 and the two lifting plates 14 to move down, the gas source 2 discharges high-pressure gas from the multiple gas outlets 30 through the gas delivery hose 11, realizes jetting on the motor shaft, and the downward movement of the lifting plate 14 can make the fixed cylinder 15 gradually press on the moving plate 23, push the V-shaped pressing plate 27 to move forward and be pressed on the outside of the motor shaft, realize the fixation of the motor shaft, at this time the spring 35 is gradually compressed;

[0041] Step two: in the process of moving down of the annular pipe 29, the annular pipe 29 passes through the motor shaft, which can realize overall jetting on the motor shaft, blow away the adhered oil, improve the cleanliness of the motor shaft, at the same time, the end of the fixed cylinder 15 continues to move down, the spring 35 is further compressed, the V-shaped pressing plate 27 gradually increases the pressure on the motor shaft, further improves the stability of the motor shaft, and can be suitable for limiting motor shafts of different diameters;

[0042] Step three: further, the downward movement of the lifting plate 14 also drives the downward movement of the horizontal plate two 19, the horizontal plate two 19 drives the downward movement of the connecting seat 20, that is, the connecting seat 20 exerts pulling force on the two push-pull plates 18 to drive the two scrapers 32 to move close to each other, realize scraping treatment on the perforated plate 17, prevent the perforated plate 17 from being blocked, facilitate the flow of gas, and the generated oil dirt falls into the oil collecting groove 25, facilitating subsequent use, in the process of jetting on the motor shaft, the fan 9 is in an open state, the fan 9 inhales air in the cabinet 1, the external gas enters the cabinet 1 through the air inlet 28, so that the internal space of the cabinet 1 forms negative pressure, forcing air to flow from top to bottom, passing through the perforated plate 17, and the oil mist in the gas is adsorbed by the purifier 8, and the clean gas is discharged from the top of the purifier 8.

[0043] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An electric machine shaft oil stain removing apparatus characterized by comprising: The system includes a cabinet (1) and an air extraction mechanism connected to the back of the cabinet (1). A perforated plate (17) is connected inside the cabinet (1). The perforated plate (17) is used to support the motor shaft, and a positioning seat (24) matching the motor shaft is connected to the top of the perforated plate (17). A clamping mechanism for pressing the motor shaft is connected to the perforated plate (17). The clamping mechanism includes a fixed cylinder (15), a pressing column (16), a spring (35), and a V-shaped pressure plate (27). Both ends of the spring (35) are connected to the fixed cylinder (15) and the pressing column (16). The pressing column (16) is used to drive the V-shaped pressure plate (27) to move. An air blowing mechanism for blowing air onto the motor shaft is connected to the cabinet (1). The air blowing mechanism includes… Includes an air supply source (2), an air conveying plate (22), a hydraulic cylinder (3), an annular pipe (29), and multiple air jets (30). The hydraulic cylinder (3) is used to drive the air conveying plate (22) to rise and fall. The exhaust end of the air supply source (2) is connected to the air conveying plate (22). The annular pipe (29) is connected to the bottom of the air conveying plate (22). Multiple air jets (30) are evenly connected to the annular pipe (29). A horizontal plate (13) is connected to the outside of the air conveying plate (22). A lifting plate (14) for guiding the horizontal plate (13) is connected to the horizontal plate (13). The end of the fixed cylinder (15) is connected to the lifting plate (14). The lifting plate (14) is connected to a scraping mechanism for scraping the perforated plate (17). The air extraction mechanism includes an air intake pipe (7), a purifier (8), a fan (9), and a base (10). One end of the air intake pipe (7) is connected to the cabinet (1), and the other end is connected to the air intake end of the fan (9). The fan (9) is fixed to the top of the base (10), and the exhaust end of the fan (9) is detachably connected to the purifier (8). The pressing mechanism also includes an inner cavity (34), a guide rail (26), and a moving plate (23). The inner cavity (34) is located inside the fixed cylinder (15). The pressing column (16) is slidably connected to the inner cavity (34). The spring (35) is located inside the inner cavity (34). The guide rail (26) is used to guide the moving plate (23). The V-shaped pressure plate (27) is fixed to the end of the moving plate (23). The scraping mechanism includes a second horizontal plate (19), a connecting seat (20), two push-pull plates (18), and two scrapers (32). The two ends of the second horizontal plate (19) are connected to two lifting plates (14). The connecting seat (20) is fixed to the top of the second horizontal plate (19). The two ends of the push-pull plates (18) are hinged to the corresponding scrapers (32) and connecting seats (20). The scrapers (32) are attached to the bottom of the perforated plate (17).

2. An electric machine shaft oil stain removing apparatus according to claim 1, wherein The base (10) is fixed to the back of the cabinet (1).

3. The motor shaft oil removal apparatus according to claim 1, wherein The guide rail (26) is fixed to the top of the perforated plate (17), and the movable plate (23) is slidably connected to the guide rail (26).

4. The motor shaft oil removal apparatus according to claim 1, wherein The air blowing mechanism also includes an air supply hose (11) and a telescopic rod (12). The exhaust end of the air supply source (2) is connected to the air supply hose (11). The end of the air supply hose (11) is connected to the air supply plate (22). The power output end of the hydraulic cylinder (3) is connected to the telescopic rod (12). The end of the telescopic rod (12) is connected to the air supply plate (22).

5. The motor shaft oil removal apparatus according to claim 1, wherein The cabinet (1) has an oil collection tank (25) at the bottom inside, and an air inlet (28) is provided on the top side of the cabinet (1). The air inlet (28) is connected to a filter screen (4).

6. The motor shaft oil stain removal device according to claim 1, characterized in that, The bottom sides of the perforated plate (17) are provided with sliding grooves (31), and the two ends of the scraper (32) are slidably connected to the corresponding sliding grooves (31).

7. The method of using the motor shaft oil stain removal equipment according to claim 5, characterized in that, Includes the following steps: Step 1: Insert the bottom of the motor shaft into the positioning seat (24) to achieve initial positioning. The hydraulic cylinder (3) drives the air supply plate (22) to move down, and simultaneously drives the annular pipe (29) and two lifting plates (14) to move down. The air supply source (2) discharges high-pressure gas through the air supply hose (11) from multiple air jets (30) to achieve air jetting on the motor shaft. The downward movement of the lifting plate (14) allows the fixed cylinder (15) to gradually press against the moving plate (23), pushing the V-shaped pressure plate (27) forward and pressing it against the outside of the motor shaft to achieve fixation of the motor shaft. At this time, the spring (35) is gradually compressed. Step 2: During the downward movement of the annular tube (29), the annular tube (29) passes through the motor shaft, which can realize the full spraying of the motor shaft, blow away the attached oil, and improve the cleanliness of the motor shaft. At the same time, the end of the fixed cylinder (15) continues to move downward, the spring (35) is further compressed, and the pressure applied by the V-shaped pressure plate (27) to the motor shaft gradually increases, further improving the stability of the motor shaft. It can be applied to the limiting of motor shafts of different diameters. Step 3: Further, the downward movement of the lifting plate (14) also drives the horizontal plate (19) to move down. The horizontal plate (19) drives the connecting seat (20) to move down. That is, the connecting seat (20) applies a pulling force to the two push-pull plates (18), driving the two scrapers (32) to move closer to each other, so as to scrape the perforated plate (17) to prevent the perforated plate (17) from being blocked, facilitate the flow of gas, and the generated oil drips into the oil collection tank (25) for easy subsequent use. During the jet spraying process on the motor shaft, the fan (9) is in the open state. The fan (9) draws air into the cabinet (1). The outside gas enters the cabinet (1) through the air inlet (28), making the internal space of the cabinet (1) form a negative pressure, forcing the air to flow from top to bottom, pass through the perforated plate (17), and pass through the purifier (8) to adsorb the oil mist in the gas. The clean gas is discharged from the top of the purifier (8).

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