Automatic spraying device for motor rotor

Abstract

The present invention relates to the technical field of automatic spraying of motor rotors, and specifically to an automatic spraying device for motor rotors, comprising a sprayer body, two advancing screws installed on the sprayer body, an insulating paint spraying mechanism installed inside the sprayer body, a scraper, and a heating mechanism for heating the rotor after spraying; the automatic spraying device for motor rotors, after the motor rotor and the iron core thereon are sprayed with insulating paint inside the sprayer body, uses a matching scraping mechanism provided at the bottom of multiple scrapers, so that when the rotor moves to the bottom of multiple scrapers along with the advancing screw, the matching scraping mechanism scrapes off excess insulating paint on the surface of the rotor iron core, and after scraping, when the scraper is in a vertical state due to gravity, the scraper simultaneously scrapes off the insulating paint adhered to the matching scraping mechanism, thereby ensuring that the matching scraping mechanism is always in a clean state.

Description

Technical Field

[0001] The present invention relates to the technical field of automatic spraying of motor rotors, in particular to an automatic spraying device for motor rotors. Background Art

[0002] In the manufacturing process of motor rotors, spraying insulating coating is an important step. It helps protect the iron core of the motor rotor from damage by current, moisture and other environmental factors. At the same time, the iron core on the rotor is one of the core structures of the motor rotor. Often, when the rotor is sprayed, the iron core has been installed on the rotor for synchronous spraying of insulating coating.

[0003] At present, in the process of automatic spraying of motor rotors, electrostatic spraying of insulating paint is adopted, and the motor rotor is conveyed to the spraying equipment along with two advancing screws for spraying of insulating paint. In order to make the sprayed paint adhere to the motor rotor more stably, the spraying equipment is provided with a first-level heating mechanism and a second-level heating mechanism to heat the sprayed insulating paint so that the paint particles can adhere to the surface of the rotor more stably. However, before heating, in order to prevent excessive application of insulating paint and to ensure that the coating is more uniform and smooth, a nozzle is used to spray air on the rotor, and then a scraper is used to scrape off the paint on the surface of the rotor core. However, in the process of multiple scrapers scraping off the cores on multiple rotors in turn, a lot of insulating paint is easily adhered to the scraper for a long time, which not only easily causes the paint on the scraper to adhere to the surface of the rotor core on the rotor, but also fails to fully scrape off the excess coating on the surface of the rotor core, further affecting the spraying effect of the motor rotor. To this end, we propose an automatic spraying device for motor rotors. Summary of the Invention

[0004] The object of the present invention is to provide an automatic spraying device for a motor rotor to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: an automated spraying device for a motor rotor, comprising a sprayer body, two propulsion screws mounted on the sprayer body, an insulating coating spraying mechanism mounted inside the sprayer body, a scraper, and a heating mechanism for heating the rotor after spraying, wherein the scraper is disposed inside the sprayer body and located between the insulating coating spraying mechanism and the heating mechanism, a plurality of scrapers are provided, and the plurality of scrapers are equidistantly distributed inside the sprayer body, a rotating shaft is fixedly passed through the top of the scraper, and the sprayer body is installed with a positioning support mechanism, and the positioning support mechanism is used to support the plurality of rotating shafts;

[0006] The scraper is provided with a matching scraping mechanism at the bottom thereof, which scrapes off excess insulating coating on the surface of the rotor core when the scraper and the rotor are in an inclined state, and when in a vertical state, the scraper scrapes off the insulating coating at the matching scraping mechanism;

[0007] A removal mechanism is provided on the outer sides of the plurality of scrapers, and the removal mechanism is used to remove excess insulating coating on the outer sides of the scrapers simultaneously.

[0008] Furthermore, the positioning support mechanism includes a support plate, a support bar and a guide plate. The support plate is arranged on one side of the plurality of scrapers and is fixedly installed inside the sprayer body. The plurality of rotating shafts are rotatably connected to the support plate.

[0009] There are multiple support bars, and multiple support bars are arranged on the side of multiple scrapers away from the support plate. The tops of multiple support bars are fixedly connected to the sprayer body, and the bottoms of multiple support bars are fixedly installed on the guide plate. Multiple rotating shafts are rotatably connected to the guide plate.

[0010] Furthermore, a slide groove is provided at the bottom of the scraper, and the cooperating scraping mechanism includes a contact plate and a guide member, the contact plate is slidably connected to the slide groove, a moving opening is provided on one side of the scraper, and the guide member slides through the moving opening, and the guide plate and the corresponding guide member positions are respectively provided with a first arc groove and a second arc groove, the first arc groove and the second arc groove have opposite curvature directions, and the scraper corresponding to the first arc groove is provided with a connecting member, and the guide member is connected to the second arc groove.

[0011] Furthermore, the guide member includes a guide rod, which slides through the moving opening and the second arc-shaped groove, and is fixedly connected to the contact plate.

[0012] Furthermore, the connecting member includes a connecting rod, one end of which is fixedly connected to the scraper, and the connecting rod slides through the first arc-shaped groove.

[0013] Furthermore, the removal mechanism includes a ventilation tube, a lifting adjustment member, a ventilation member, a blowing member, a sliding rod and a pressing member. The ventilation tube is arranged on one side of the plurality of scrapers close to the support plate. The lifting adjustment member is installed on the sprayer body, and the lifting adjustment member is used to connect the ventilation tube.

[0014] The ventilator is installed on the sprayer body, and the ventilator is used to supply air to the ventilation tube. There are multiple blowing parts, and the multiple blowing parts respectively blow off the insulating coating on the outside of the multiple scrapers. There are two sliding rods, and the two ends of the two sliding rods are respectively fixedly connected to the top of the ventilation tube, and the multiple blowing parts are slidably connected to the two sliding rods.

[0015] The pressing member is installed on the ventilation tube and is used to synchronously adjust the positions of multiple blowing members. Through the provided removal mechanism, the insulating coating adhered to the outer side of the scraper is removed.

[0016] Furthermore, the lifting and adjusting member includes a connecting plate, a fixing rod, a lifting screw and a driving motor. The connecting plate is fixedly mounted on the side of the ventilation tube away from the scraper. Two fixing rods are provided. The two fixing rods are fixedly mounted inside the sprayer body, and the connecting plate is slidably sleeved on the outside of the two fixing rods.

[0017] The lifting screw is rotatably connected to the inside of the sprayer body, the drive motor is installed on the outside of the top of the sprayer body, and the output end of the drive motor is fixedly connected to one end of the lifting screw. The connecting plate is threadedly sleeved on the outside of the lifting screw. Through the lifting adjustment member provided, the ventilation hard pipe is connected.

[0018] Furthermore, the ventilation piece includes a connecting pipe, a telescopic pipe, a support pipe, an air blowing pipe and a positioning piece. One end of the connecting pipe is connected to the ventilation hard pipe, and the other end of the connecting pipe is connected to the telescopic pipe. Two support pipes are provided, one end of each of the two support pipes is connected to the telescopic pipe, and the other end of the support pipe is connected to the air blowing pipe. The two air blowing pipes are provided with multiple air blowing holes at equal distances on one side close to the scraper. The positioning piece is used to connect the two support pipes, and the positioning piece is connected to the down-pressing piece. Through the ventilation piece, the excess insulating coating on the scraper surface can be blown away.

[0019] Furthermore, the positioning member includes a positioning support rod, a wedge block, a positioning spring and an intermediate plate. There are two positioning support rods, one end of the two positioning support rods is fixedly connected to the two support tubes, and the other end of the positioning support rod is fixedly connected to the wedge block. The two wedge blocks are slidably sleeved on the outside of the two fixed rods, and the intermediate plate is arranged between the two wedge blocks, and the intermediate plate is fixedly installed on the ventilation hard pipe. There are multiple positioning springs, and the multiple positioning springs are slidably sleeved on the outside of the fixed rods, and the two ends of the positioning spring are fixedly connected to the intermediate plate and the wedge block, respectively. Through the positioning member provided, the function of positioning the two support tubes is achieved.

[0020] Furthermore, the lower pressure member includes a lower pressure plate, an electric push rod and a lower pressure block, the lower pressure plate is located above multiple wedge blocks, the electric push rod is fixedly installed on the outside of the ventilation tube, and the output end of the electric push rod is fixedly connected to the lower pressure plate, there are multiple lower pressure blocks, multiple lower pressure blocks are fixedly installed at equal distances on the bottom of the lower pressure plate, and the lower pressure block is located above two wedge blocks on one side of the scraper, the lower pressure block is provided with two pushing inclined surfaces corresponding to the positions of the two wedge blocks, and the function of pushing multiple groups of wedge blocks is achieved through the lower pressure member.

[0021] The present invention has at least the following beneficial effects:

[0022] 1. When the present invention is in use, after the motor rotor and the iron core thereon are sprayed with insulating paint inside the sprayer body, the rotor moves to the bottom of the multiple scrapers together with the advancing screw through the cooperating scraping mechanism provided at the bottom of the multiple scrapers. Then, the cooperating scraping mechanism scrapes off the excess insulating paint on the surface of the rotor iron core, and after scraping, when the scraper is in a vertical state due to gravity, the scraper simultaneously scrapes off the insulating paint adhered to the cooperating scraping mechanism, thereby ensuring that the cooperating scraping mechanism is always in a clean state, and can fully scrape off the excess insulating paint on the surface of the rotor iron core that moves to the bottom of the scraper, further improving the spraying efficiency of the motor rotor;

[0023] 2. When the present invention is in use, the insulating coating adhered to the outer sides of multiple scrapers can be regularly scraped off by the removal mechanism provided, thereby ensuring that the scrapers and the motor rotor are in a clean state during scraping, and further improving the scraping of excess insulating coating on the rotor core. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 This is a schematic diagram of the internal structure of the present invention;

[0026] Figure 3 This is a schematic diagram of the structure of the propulsion screw of the present invention;

[0027] Figure 4 This is a schematic diagram of the scraper structure of the present invention;

[0028] Figure 5 This is a schematic diagram of the guide plate structure of the present invention;

[0029] Figure 6 This is a schematic diagram of the support bar structure of the present invention;

[0030] Figure 7 This is a schematic diagram of the structure of the ventilation hard tube of the present invention;

[0031] Figure 8 This is a top view of the air blowing pipe structure of the present invention;

[0032] Figure 9 This is a schematic diagram of the connector structure of the present invention;

[0033] Figure 10 For the present invention Figure 9 Schematic diagram of the enlarged structure of area A in the middle;

[0034] Figure 11 This is a schematic diagram of the guide structure of the present invention;

[0035] Figure 12 This is a schematic diagram of the scraper of the present invention after rotation;

[0036] Figure 13 This is a schematic diagram of the contact plate structure of the present invention;

[0037] Figure 14 It is a schematic diagram of the structure of the scraping mechanism of the present invention.

[0038] In the figure: 1- sprayer body; 11- propulsion screw; 12- insulating paint spraying mechanism; 13- scraper; 131- slide groove; 132- moving port; 14- heating mechanism; 2- rotating shaft; 3- positioning support mechanism; 31- support plate; 32- support bar; 33- guide plate; 331- first arc groove; 332- second arc groove; 4- cooperating scraping mechanism; 41- contact plate; 42- guide member; 421- guide rod; 43- connecting member; 431- connecting rod; 5- removing mechanism; 51- ventilation hard pipe; 52- lifting adjustment member; 5 21-connecting plate; 522-fixing rod; 523-lifting screw; 524-driving motor; 53-ventilator; 531-connecting pipe; 532-telescopic pipe; 533-support pipe; 534-blowing pipe; 5341-blowing hole; 54-blowing part; 541-blower; 542-hose; 55-sliding rod; 56-pressing part; 561-pressing plate; 562-electric push rod; 563-pressing block; 5631-pushing inclined plane; 6-positioning part; 61-positioning support rod; 62-wedge block; 63-positioning spring; 64-middle plate. DETAILED DESCRIPTION

[0039] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0040] Example 1

[0041] See also Figures 1 to 3 An automatic spraying device for a motor rotor includes a sprayer body 1, two propulsion screws 11 mounted on the sprayer body 1, the two propulsion screws 11 cooperate with each other to sequentially guide multiple motor rotors into the sprayer body 1, and keep the motor rotors in a rotating state for spraying insulating coating, an insulating coating spraying mechanism 12 mounted inside the sprayer body 1, a scraper 13, and a heating mechanism 14 for heating the rotors after spraying;

[0042] See also Figures 4 to 6, a scraper 13 is arranged inside the sprayer body 1, and the scraper 13 is located between the insulating paint spraying mechanism 12 and the heating mechanism 14. In this embodiment, the scraper 13 is made of a hard plastic material, and a plurality of scrapers 13 are provided. The plurality of scrapers 13 are evenly distributed inside the sprayer body 1. A rotating shaft 2 is fixedly passed through the top of the scraper 13, and the sprayer body 1 is installed with a positioning support mechanism 3, which is used to support the plurality of rotating shafts 2;

[0043] The positioning support mechanism 3 includes a support plate 31, a support bar 32 and a guide plate 33. The support plate 31 is arranged on one side of the plurality of scrapers 13 and is fixedly mounted inside the sprayer body 1. The plurality of rotating shafts 2 are rotatably connected to the support plate 31.

[0044] There are multiple support bars 32, which are arranged on the side of the multiple scrapers 13 away from the support plate 31. The tops of the multiple support bars 32 are fixedly connected to the sprayer body 1, and the bottoms of the multiple support bars 32 are fixedly installed on the guide plate 33. The multiple rotating shafts 2 are rotatably connected to the guide plate 33;

[0045] Specifically: when the scraper 13 is not subjected to external force, it is vertically distributed inside the sprayer body 1. At the same time, when the motor rotor moves to the scraper 13, as the motor rotor rotates, the iron core on the rotor contacts the bottom of the scraper 13. At the same time, as the rotor moves forward, it pushes the scraper 13 to rotate with the rotating shaft 2 as the center of the circle;

[0046] See also Figures 5 to 7 and Figures 12 to 14 The scraper 13 is provided with a sliding groove 131 at the bottom, and the scraping mechanism 4 includes a contact plate 41 and a guide member 42. The contact plate 41 is slidably connected to the sliding groove 131. A moving opening 132 is provided on one side of the scraper 13. The guide member 42 slides through the moving opening 132. The guide plate 33 and the position corresponding to the guide member 42 are respectively provided with a first arc groove 331 and a second arc groove 332. The arc directions of the first arc groove 331 and the second arc groove 332 are opposite. When synchronized, the first arc groove 331 is set according to the position of the scraper 13 rotation, and the center of the first arc groove 331 is set with the rotating shaft 2 as the center, so that the first arc groove 331 does not affect the rotation of the scraper 13, while ensuring the stability of the rotation of the scraper 13;

[0047] A connecting member 43 is provided at the position of the scraper 13 corresponding to the first arc-shaped groove 331 , and the guide member 42 is connected to the second arc-shaped groove 332 ;

[0048] The guide member 42 includes a guide rod 421 , which slides through the movable opening 132 and the second arc-shaped groove 332 , and is fixedly connected to the contact plate 41 ;

[0049] The connecting member 43 includes a connecting rod 431 . One end of the connecting rod 431 is fixedly connected to the scraper 13 , and the connecting rod 431 slides through the first arc-shaped groove 331 .

[0050] A scraping mechanism 4 is provided at the bottom of the scraper 13. When the scraper 13 and the rotor are in an inclined state, the scraping mechanism 4 scrapes off the excess insulating paint on the surface of the rotor core. When the scraper 13 is in a vertical state, the scraper 13 scrapes off the insulating paint at the scraping mechanism 4.

[0051] Specific implementation process: When the iron core on the motor rotor contacts the bottom of the scraper 13, the scraper 13 rotates with the rotating shaft 2 as the center of the circle under the contact guidance of the iron core as the motor rotor moves forward, and when the scraper 13 rotates, the contact plate 41 rotates with the scraper 13. At this time, the contact plate 41 moves downward relative to the bottom of the scraper 13 under the limiting guidance of the guide rod 421 on it and the guide rod 421 is guided by the second arc groove 332. At this time, the contact plate 41 extends out from the bottom of the scraper 13 and contacts the surface of the motor rotor iron core, which is used to press the motor rotor iron core. The excess insulating coating on the core surface is scraped off. At the same time, in this embodiment, the rotation angle range of the scraper 13 is 10°-15°, and when the rotor is separated from the contact plate 41, the scraper 13 rotates to a vertical state under the action of its own gravity. During the rotation, the contact plate 41 moves relatively to the slide groove 131 inside the scraper 13, and during the movement, the scraper 13 scrapes off the insulating coating adhered to the outside of the contact plate 41, thereby ensuring that the contact plate 41 is always in a clean state to contact the next motor rotor core and fully scrape off the excess insulating coating.

[0052] A removal mechanism 5 is provided on the outside of the plurality of scrapers 13, and the removal mechanism 5 simultaneously removes the excess insulating coating on the outside of the scrapers 13;

[0053] See also Figure 4 、 Figures 7 to 11 The removal mechanism 5 includes a ventilation tube 51, a lifting adjustment member 52, a ventilation member 53, a blowing member 54, a sliding rod 55 and a pressing member 56. The ventilation tube 51 is arranged on one side of the multiple scrapers 13 close to the support plate 31. The lifting adjustment member 52 is installed on the sprayer body 1, and the lifting adjustment member 52 is used to connect the ventilation tube 51.

[0054] The ventilator 53 is mounted on the sprayer body 1 and is used to supply air to the ventilation tube 51. A plurality of blowing members 54 are provided, and the plurality of blowing members 54 are used to blow away the insulating coating on the outside of the plurality of scrapers 13. Two sliding rods 55 are provided, and the two ends of the two sliding rods 55 are fixedly connected to the top of the ventilation tube 51, and the plurality of blowing members 54 are slidably connected to the two sliding rods 55.

[0055] The pressing member 56 is installed on the ventilation tube 51 and is used to synchronously adjust the positions of the multiple blowing members 54;

[0056] The lifting adjustment member 52 includes a connecting plate 521, a fixing rod 522, a lifting screw 523 and a driving motor 524. The connecting plate 521 is fixedly mounted on the side of the ventilation tube 51 away from the scraper 13. There are two fixing rods 522, which are fixedly mounted inside the sprayer body 1, and the connecting plate 521 is slidably sleeved on the outside of the two fixing rods 522.

[0057] The lifting screw 523 is rotatably connected to the inside of the sprayer body 1, the drive motor 524 is installed on the outside of the top of the sprayer body 1, and the output end of the drive motor 524 is fixedly connected to one end of the lifting screw 523, and the connecting plate 521 is threadedly sleeved on the outside of the lifting screw 523.

[0058] The ventilation piece 53 includes a connecting pipe 531, a telescopic pipe 532, a support pipe 533, an air blowing pipe 534 and a positioning piece 6. One end of the connecting pipe 531 is connected to the ventilation hard pipe 51, and the other end of the connecting pipe 531 is connected to the telescopic pipe 532. There are two support pipes 533. One end of the two support pipes 533 is connected to the telescopic pipe 532, and the other end of the support pipe 533 is connected to the air blowing pipe 534. The two air blowing pipes 534 are provided with multiple air blowing holes 5341 at equal distances on one side close to the scraper 13. The positioning piece 6 is used to connect the two support pipes 533, and the positioning piece 6 is connected to the down-pressing piece 56.

[0059] The positioning member 6 includes a positioning support rod 61, a wedge block 62, a positioning spring 63 and an intermediate plate 64. There are two positioning support rods 61, one end of the two positioning support rods 61 is fixedly connected to the two support tubes 533 respectively, and the other end of the positioning support rod 61 is fixedly connected to the wedge block 62. The two wedge blocks 62 are slidably sleeved on the outside of the two fixed rods 522. In this embodiment, two wedge blocks 62 are correspondingly arranged on one side of a scraper 13, and the inclined surfaces of the two wedge blocks 62 are set away from each other. The intermediate plate 64 is arranged between the two wedge blocks 62, and the intermediate plate 64 is fixedly installed on the ventilation hard pipe 51. There are multiple positioning springs 63, and the multiple positioning springs 63 are slidably sleeved on the outside of the fixed rod 522. The two ends of the positioning spring 63 are respectively fixedly connected to the intermediate plate 64 and the wedge block 62.

[0060] The lower pressure piece 56 includes a lower pressure plate 561, an electric push rod 562 and a lower pressure block 563. The lower pressure plate 561 is located above multiple wedge blocks 62. The electric push rod 562 is fixedly installed on the outside of the ventilation tube 51, and the output end of the electric push rod 562 is fixedly connected to the lower pressure plate 561. There are multiple lower pressure blocks 563, and multiple lower pressure blocks 563 are fixedly installed at the bottom of the lower pressure plate 561 at equal distances. The lower pressure block 563 is located above the two wedge blocks 62 on one side of the scraper 13, and the lower pressure block 563 is provided with two pushing inclined surfaces 5631 corresponding to the positions of the two wedge blocks 62.

[0061] Specific implementation process: During the process of the propulsion screw 11 pushing the motor rotor, when the motor rotor moves below the scraper 13 and the scraper 13 and the contact plate 41 in the chute 131 thereof are scraping off the excess insulating coating on the surface of the iron core of the motor rotor, the two air blowing pipes 534 on the outer side of the top of the scraper 13 are arranged away from the scraper 13. That is, at this time, under the connection action of the positioning spring 63, the distance between the two wedge blocks 62 is maximized, so that within the angle range of 10°-15° of the scraper 13, the air blowing pipes 534 do not affect the rotation of the scraper 13.

[0062] When the advancing screw 11 stops pushing the motor rotor, or when there is no motor rotor spraying at this time, the electric push rod 562 retracts, thereby causing the lower pressure plate 561 to move downward, and at the same time drives multiple lower pressure blocks 563 to move downward, and the lower pressure blocks 563 contact the corresponding two wedge blocks 62, thereby pushing the two wedge blocks 62 to move toward each other through the pushing inclined surface 5631, and when the two wedge blocks 62 move toward each other, the two positioning support rods 61 and the support tube 533 drive the two blowing pipes 534 to move toward each other until the electric push rod 562 stops running, and the two blowing pipes 534 move to a position close to the outer surface of the scraper 13, and then, through the operation of the blowing piece 54, the air flow is introduced into the ventilation hard pipe 51, and is respectively introduced into multiple through the multiple connecting pipes 531. The telescopic tube 532 is inside the telescopic tube 532, and the telescopic tube 532 is introduced into the two blowing tubes 534 through the supporting tube 533. Finally, the pressurized air flow is blown to the outer surface of the scraper 13 through the blowing hole 5341, so as to blow off the insulating paint adhered to the outer surface of the scraper 13. At this time, the driving motor 524 is operated to make the lifting screw 523 rotate relative to the inside of the sprayer body 1, and at the same time, provide driving force for the connecting plate 521. Due to the limiting guidance of the fixed rod 522, the connecting plate 521 further drives the ventilation tube 51 to move downward. In the process of moving downward, the two blowing tubes 534 on the outside of the multiple scrapers 13 respectively blow off the insulating paint on their surfaces, and at the same time achieve the effect of smoothing the scraper 13 to prevent the scraper 13 from bending.

[0063] Example 2

[0064] See also Figures 2 to 3 , Example 2 is a further supplementary explanation of Example 1, specifically: the blowing member 54 includes a blower 541 and a hose 542, the blower 541 is installed on the outside of the top of the sprayer body 1, and the output end of the blower 541 is connected to the hose 542, the hose 542 extends into the interior of the sprayer body 1, and the other end of the hose 542 is connected to the ventilation hard pipe 51;

[0065] The blower 541 is operated to allow the external air flow to be introduced into the ventilation tube 51 through the hose 542. At the same time, as an option, an air purifier can also be set up, and the output end of the air purifier is connected to the blower 541 to ensure that the introduced air flow is in a clean state, thereby ensuring the cleanliness of the interior of the sprayer body 1.

[0066] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0067] While 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 these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. An automatic spraying device for a motor rotor, comprising a spraying machine body (1), two propulsion screws (11) mounted on the spraying machine body (1), an insulating coating spraying mechanism (12) mounted inside the spraying machine body (1), a scraper (13), and a heating mechanism (14) for heating the rotor after spraying, characterized in that: A plurality of scrapers (13) are provided, and the plurality of scrapers (13) are distributed at equal distances inside the sprayer body (1); a rotating shaft (2) is fixedly passed through the top of the scraper (13), and a positioning support mechanism (3) is installed on the sprayer body (1); the positioning support mechanism (3) is used to support the rotating shaft (2); A matching scraping mechanism (4) is provided at the bottom of the scraper (13), and when the scraper (13) and the rotor are in an inclined state, the matching scraping mechanism (4) scrapes off excess insulating paint on the surface of the iron core on the rotor, and when in a vertical state, the scraper (13) scrapes off the insulating paint at the matching scraping mechanism (4); A plurality of scrapers (13) are provided with a removal mechanism (5) on the outside thereof, and the removal mechanism (5) is configured to simultaneously remove excess insulating coating material on the outside of the scrapers (13); The positioning support mechanism (3) comprises a support plate (31), a support bar (32) and a guide plate (33); the support plate (31) is arranged on one side of the plurality of scrapers (13), and the support plate (31) is fixedly mounted inside the sprayer body (1); the plurality of rotating shafts (2) are rotatably connected to the support plate (31); There are a plurality of support bars (32), and the plurality of support bars (32) are arranged on a side of the plurality of scrapers (13) away from the support plate (31). The tops of the plurality of support bars (32) are fixedly connected to the sprayer body (1), and the bottoms of the plurality of support bars (32) are fixedly mounted on the guide plate (33). The plurality of rotating shafts (2) are rotatably connected to the guide plate (33). The scraper (13) is provided with a sliding groove (131) at the bottom, and the cooperating scraping mechanism (4) includes a contact plate (41) and a guide member (42), the contact plate (41) is slidably connected to the sliding groove (131), a movable opening (132) is provided on one side of the scraper (13), and the guide member (42) slides through the movable opening (132), the guide plate (33) and the position corresponding to the guide member (42) are respectively provided with a first arc groove (331) and a second arc groove (332), the first arc groove (331) and the second arc groove (332) have opposite arc directions, the scraper (13) is provided with a connecting member (43) at the position corresponding to the first arc groove (331), and the guide member (42) is connected to the second arc groove (332); The removal mechanism (5) includes a ventilation tube (51), a lifting adjustment member (52), a ventilation member (53), an air blowing member (54), a sliding rod (55) and a pressing member (56), wherein the ventilation tube (51) is arranged on a side of the plurality of scrapers (13) close to the support plate (31), and the lifting adjustment member (52) is mounted on the sprayer body (1), and the lifting adjustment member (52) is used to connect the ventilation tube (51); The ventilator (53) is mounted on the sprayer body (1), and the ventilator (53) is used to supply air to the ventilator tube (51). A plurality of the blowing members (54) are provided, and the plurality of blowing members (54) respectively blow off the insulating coating on the outside of the plurality of scrapers (13). Two sliding rods (55) are provided, and both ends of the two sliding rods (55) are respectively fixedly connected to the top of the ventilator tube (51), and the plurality of blowing members (54) are all slidably connected to the two sliding rods (55). The pressing member (56) is mounted on the ventilation tube (51), and the pressing member (56) is used to synchronously adjust the positions of the plurality of blowing members (54).

2. The automatic spraying device for a motor rotor according to claim 1, characterized in that: The guide member (42) includes a guide rod (421), the guide rod (421) slides through the movable opening (132) and the second arc-shaped groove (332), and the guide rod (421) is fixedly connected to the contact plate (41).

3. The automatic spraying device for a motor rotor according to claim 1, characterized in that: The connecting member (43) comprises a connecting rod (431), one end of which is fixedly connected to the scraper (13), and the connecting rod (431) slides through the first arc-shaped groove (331).

4. The automatic spraying device for a motor rotor according to claim 1, characterized in that: The lifting adjustment member (52) includes a connecting plate (521), a fixing rod (522), a lifting screw rod (523) and a driving motor (524); the connecting plate (521) is fixedly mounted on a side of the ventilation tube (51) away from the scraper (13); two fixing rods (522) are provided, the two fixing rods (522) are fixedly mounted inside the sprayer body (1), and the connecting plate (521) is slidably sleeved on the outside of the two fixing rods (522); The lifting screw (523) is rotatably connected to the inside of the sprayer body (1), the driving motor (524) is installed on the outside of the top of the sprayer body (1), and the output end of the driving motor (524) is fixedly connected to one end of the lifting screw (523), and the connecting plate (521) is threadedly sleeved on the outside of the lifting screw (523).

5. The automatic spraying device for a motor rotor according to claim 1, characterized in that: The ventilator (53) comprises a connecting pipe (531), a telescopic pipe (532), a supporting pipe (533), an air blowing pipe (534) and a positioning member (6). One end of the connecting pipe (531) is in communication with the ventilating hard pipe (51), and the other end of the connecting pipe (531) is in communication with the telescopic pipe (532). Two supporting pipes (533) are provided. One end of each of the two supporting pipes (533) is in communication with the telescopic pipe (532), and the other end of the supporting pipe (533) is in communication with the air blowing pipe (534). The two air blowing pipes (534) are provided with a plurality of air blowing holes (5341) at equal distances on one side close to the scraper (13). The positioning member (6) is used to connect the two supporting pipes (533), and the positioning member (6) is connected to the pressing member (56).

6. The automatic spraying device for a motor rotor according to claim 5, characterized in that: The positioning member (6) includes a positioning rod (61), a wedge-shaped block (62), a positioning spring (63) and an intermediate plate (64). Two positioning rods (61) are provided. One end of the two positioning rods (61) is fixedly connected to the two support tubes (533) respectively. The other end of the positioning rod (61) is fixedly connected to the wedge-shaped block (62). The two wedge-shaped blocks (62) are slidably sleeved on the outside of the two fixed rods (522). The intermediate plate (64) is arranged between the two wedge-shaped blocks (62) and is fixedly installed on the ventilation hard pipe (51). A plurality of positioning springs (63) are provided. The plurality of positioning springs (63) are slidably sleeved on the outside of the fixed rods (522). The two ends of the positioning spring (63) are fixedly connected to the intermediate plate (64) and the wedge-shaped block (62).

7. The automatic spraying device for a motor rotor according to claim 6, characterized in that: The lower pressing member (56) includes a lower pressing plate (561), an electric push rod (562) and a lower pressing block (563), wherein the lower pressing plate (561) is located above a plurality of wedge-shaped blocks (62), the electric push rod (562) is fixedly mounted on the outside of the ventilation tube (51), and the output end of the electric push rod (562) is fixedly connected to the lower pressing plate (561), a plurality of the lower pressing blocks (563) are provided, and the plurality of the lower pressing blocks (563) are fixedly mounted at an equal distance on the bottom of the lower pressing plate (561), and the lower pressing block (563) is located above two wedge-shaped blocks (62) on one side of the scraper (13), and the lower pressing block (563) is provided with two pushing inclined surfaces (5631) corresponding to the positions of the two wedge-shaped blocks (62).

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