Rotor impeller mounting device of motor

Abstract

The utility model discloses a rotor impeller mounting device of a motor, which comprises a fixed bottom plate, a placement seat is fixed in the middle of the top surface of the fixed bottom plate, the bottom of a rotating shaft of a rotor to be processed is inserted into the placement seat, and the bottom end surface of a commutator mounted at the lower part of the rotor is pressed against the top surface of the placement seat; a rear vertical plate is fixed to the rear portion of the top face of the fixing bottom plate, an upper horizontal fixing plate is fixed to the top face of the rear vertical plate, a pressing air cylinder is fixed to the top face of the middle of the upper horizontal fixing plate, the bottom end of a push rod of the pressing air cylinder extends out of the bottom face of the upper horizontal fixing plate and is provided with a lifting plate, and a plastic pressing block is fixed to the bottom face of the lifting plate. The bottom of the rotating shaft of the rotor is directly inserted into the self-lubricating protective sleeve to complete the installation of the lower part, meanwhile, the two arc-shaped blocks are moved to the bottom surface of the hub part, the bottom surface of the hub part is supported through the top surface of the arc-shaped plate, the bottom surface of the hub part is prevented from being pressed down and deformed, and the installation effect is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor processing technical field more specifically, relate to a rotor impeller mounting device of motor. BACKGROUND

[0002] The existing conventional small motor needs to separately install an impeller at the rear end of the rotor, so that the impeller rotates to forcibly cool the motor when the motor operates.

[0003] The existing impeller is generally clamped on the rotating shaft of the rotor, and the existing method is to manually clamp the bottom end of the hub of the impeller on the top of the rotating shaft, then place it in the pressing device, and press the hub of the impeller downward by the push block of the cylinder to clamp it on the rotating shaft. However, when the rotating shaft of the existing rotor is pressed, it needs to be clamped and fixed by a clamping frame, which makes the clamping part of the rotating shaft prone to wear or produce scratches, affecting the quality of use. Moreover, when the top surface of the hub of the impeller is pressed, there is no support below it, which is vacant. When the push block is pressed down, the lower part of the hub will be deformed and bent, affecting the installation quality. SUMMARY

[0004] The utility model discloses a rotor impeller mounting device of motor, which overcomes the shortcomings of the prior art and directly inserts the bottom of the rotating shaft of the rotor into the self-lubricating protective sleeve to complete the installation of the lower part. At the same time, two arc-shaped blocks are moved to the bottom surface of the hub, and the top surface of the arc-shaped plate supports the bottom surface of the hub to prevent it from being deformed and bent, ensuring the installation effect.

[0005] The utility model solves the technical problem by the following scheme:

[0006] A rotor impeller mounting device of motor includes a fixed bottom plate, a placing seat is fixed on the top surface of the middle part of the fixed bottom plate, the bottom of the rotating shaft of the rotor to be processed is inserted into the placing seat, and the bottom end surface of the commutator installed on the lower part of the rotor is pressed against the top surface of the placing seat.

[0007] The top surface of the fixed bottom plate is fixed with a rear vertical plate, the top surface of the rear vertical plate is fixed with an upper horizontal fixed plate, the middle top surface of the upper horizontal fixed plate is fixed with a pressing air cylinder, the bottom end of the push rod of the pressing air cylinder extends out of the bottom surface of the upper horizontal fixed plate and is installed with a lifting plate, the bottom surface of the lifting plate is fixed with a plastic pressing block, the middle bottom surface of the plastic pressing block is formed with a recess hole, the outer side wall of the top end of the rotating shaft of the rotor is formed with an annular groove, the middle top surface of the top end of the rotating shaft of the rotor is formed with an extension shaft part, the extension shaft part is inserted into the recess hole, the top end of the rotating shaft of the rotor is inserted into the center through hole of the hub part of the impeller, the bottom surface of the hub part is pressed against the bottom surface of the annular groove, the outer side wall of the top end of the rotating shaft of the rotor is pressed against the inner side wall of the center through hole of the hub part, and the bottom end surface of the plastic pressing block is pressed against the top surface of the hub part.

[0008] The middle bottom surface of the top plate of the placing seat is fixed or formed with a sleeve part extending downward, the top end of the center vertical through hole of the sleeve part extends out of the top surface of the top plate of the placing seat, and the bottom surface of the sleeve part is fixed on the top surface of the fixed bottom plate.

[0009] The inner side wall of the center vertical through hole is clamped with a self-lubricating protective sleeve, the top end of the self-lubricating protective sleeve extends out of the top surface of the top plate of the placing seat, and the outer side wall of the self-lubricating protective sleeve is formed with a radial extension edge, and the bottom surface of the radial extension edge is pressed against the top surface of the top plate of the placing seat.

[0010] The bottom surface of the radial extension edge is formed with a plurality of lower positioning protrusions, all the lower positioning protrusions are uniformly distributed on the bottom surface of the radial extension edge with the center axis of the radial extension edge as the center, are embedded in the positioning recess holes formed on the top surface of the top plate of the placing seat, the lower part of the rotating shaft of the rotor is inserted into the self-lubricating protective sleeve, the outer side wall of the rotor is close to or close to the inner side wall of the self-lubricating protective sleeve, and the bottom surface of the rotor commutator is pressed against the top surface of the radial extension edge.

[0011] The middle part of the left and right side walls of the rear vertical plate is fixed with a side support plate, the outer side wall of the two side support plates is fixed with a telescopic air cylinder, the end part of the push rod of the two telescopic air cylinders extends out of the inner side wall of the corresponding side support plate and is fixed with a plastic clamping block, the upper part of the opposite wall surface of the two plastic clamping blocks is formed with an arc-shaped block, the bottom surface of the two arc-shaped blocks is pressed against the top end surface of the winding of the rotor, the part of the rotating shaft of the rotor above the winding is inserted into the arc-shaped groove formed in the middle part of the inner side wall of the two arc-shaped blocks, and the bottom surface of the hub part is pressed against the top surface of the arc-shaped plate arranged at the upper part of the two arc-shaped blocks.

[0012] The prominent effect of the utility model is:

[0013] Compared with the prior art, the bottom part of the rotating shaft of the rotor is directly inserted into the self-lubricating protective sleeve to complete the installation of the lower part, meanwhile, the two arc-shaped blocks are moved to the bottom surface of the hub part, the top surface of the arc-shaped plate supports the bottom surface of the hub part to prevent the deformation of the hub part under pressure and ensure the installation effect. Attached image description:

[0014] Figure 1 This is a partial structural schematic diagram of the present invention;

[0015] Figure 2 yes Figure 1 A magnified view of a portion of the image;

[0016] Figure 3 This is a partial structural diagram of the area between the two arc-shaped blocks of this utility model;

[0017] Figure 4 yes Figure 3 A partial structural diagram with the curved plate removed;

[0018] Figure 5 This is a partial top view of the area where the seat is located. Detailed implementation method:

[0019] For example, see below. Figures 1 to 5 As shown, a rotor impeller mounting device for an electric motor includes a fixed base plate 10. A placement seat 20 is fixed to the center of the top surface of the fixed base plate 10. A downwardly extending sleeve portion 21 is fixed or formed (in this embodiment, it is formed) on the bottom surface of the center of the top plate of the placement seat 20. The top end of the central vertical through hole of the sleeve portion 21 extends out of the top surface of the top plate of the placement seat 20, and the bottom surface of the sleeve portion 21 is fixed to the top surface of the fixed base plate 10.

[0020] A self-lubricating protective sleeve 22 (the self-lubricating protective sleeve 22 is made of plastic) is fitted on the inner wall of the central vertical through hole. The top of the self-lubricating protective sleeve 22 extends out of the top surface of the top plate of the placement seat 20. A radially extending edge 23 is formed on its outer wall. The bottom surface of the radially extending edge 23 presses against the top surface of the top plate of the placement seat 20.

[0021] The bottom surface of the radial extension edge 23 is formed with a plurality of lower positioning protrusions 24. All the lower positioning protrusions 24 are evenly distributed on the bottom surface of the radial extension edge 23 with the central axis of the radial extension edge as the center, and are nested in the positioning recess formed on the top surface of the top plate of the placement seat 20.

[0022] In use, the lower part of the rotor shaft of the rotor 100 to be processed is inserted into the self-lubricating protective sleeve 22, with its outer wall tightly against or close to the inner wall of the self-lubricating protective sleeve 22, and the bottom surface of the commutator 102 of the rotor 100 pressed against the top surface of the radially extending edge 23. Because the lower part of the rotor shaft of the rotor 100 is inserted into the self-lubricating protective sleeve 22, its surface is not easily worn, ensuring processing quality.

[0023] Further, the rear part of the top surface of the fixed bottom plate 10 is fixed with a rear vertical plate 11, the top surface of the rear vertical plate 11 is fixed with an upper horizontal fixed plate 12, the middle part of the top surface of the upper horizontal fixed plate 12 is fixed with a pressing air cylinder 13, the bottom end of the push rod of the pressing air cylinder 13 extends out of the bottom surface of the upper horizontal fixed plate 12 and is installed with a lifting plate 14, the bottom surface of the lifting plate 14 is fixed with a plastic pressing block 15, the middle part of the bottom surface of the plastic pressing block 15 is formed with a concave hole 151, the outer side wall of the top end of the rotating shaft of the rotor 100 is formed with an annular groove, the middle part of the top surface of the top end of the rotating shaft of the rotor 100 is formed with an extension shaft part 101, the extension shaft part 101 is inserted into the concave hole 151, the top end of the rotating shaft of the rotor 100 is inserted into the central through hole of the hub part of the impeller 200, the bottom surface of the hub part is pressed against the bottom surface of the annular groove, the outer side wall of the top end of the rotating shaft of the rotor 100 is pressed against the inner side wall of the central through hole of the hub part, and the bottom end surface of the plastic pressing block 15 is pressed against the top surface of the hub part.

[0024] Further, the bottom end of the push rod of the pressing air cylinder 13 is fixed with a horizontal mounting plate 131, and the middle part of the bottom surface of the horizontal mounting plate 131 is fixed with the lifting plate 14.

[0025] The top surface of the horizontal mounting plate 131 is fixed with a plurality of vertical guide rods 132, and the vertical guide rods 132 are inserted into corresponding through holes in the upper horizontal fixed plate 12.

[0026] The inner side walls of the corresponding through holes in the upper horizontal fixed plate 12 are fixed with guide sleeves, and the vertical guide rods 132 are inserted into the corresponding guide sleeves with their outer side walls tightly fitted against the inner side walls of the corresponding guide sleeves.

[0027] Further, the middle part of the left and right side walls of the rear vertical plate 11 is fixed with a side support plate 16, the outer side walls of the two side support plates 16 are fixed with telescopic air cylinders 17, the end parts of the push rods of the two telescopic air cylinders 17 extend out of the inner side walls of the corresponding side support plates 16 and are fixed with plastic clamping blocks 40, the upper parts of the opposite wall surfaces of the two plastic clamping blocks 40 are formed with arc-shaped blocks 41, and the bottom surfaces of the two arc-shaped blocks 41 are slightly higher than the top end of the winding of the rotor 100.

[0028] The upper parts of the opposite wall surfaces of the two arc-shaped blocks 41 are formed with upper arc-shaped grooves, arc-shaped plates 410 are inserted into the corresponding upper arc-shaped grooves, the bottom surfaces of the arc-shaped plates 410 are fixed with a plurality of buffer springs 42, the buffer springs 42 are inserted into corresponding insertion holes formed in the bottom surface of the upper arc-shaped grooves, and the bottom ends of the buffer springs 42 are fixed to the bottom surface of the corresponding insertion holes.

[0029] The outer side walls of the two plastic clamping blocks 40 are fixed with a plurality of transverse guide rods, and the transverse guide rods are inserted into corresponding transverse guide through holes in the corresponding side support plates 16.

[0030] In the processing, the lower part of the rotating shaft of the rotor 100 to be processed is inserted into the self-lubricating protective sleeve 22, the bottom surface of the commutator 102 of the rotor 100 is pressed against the top surface of the radially extending edge 23, and after installation, the lower part of the hub part of the impeller 200 to be processed is clamped to the inner side wall at the upper part of the annular groove formed on the outer side wall of the top end of the rotating shaft of the rotor 100, then the push rod of the telescopic cylinder 17 is pushed (the compression cylinder 13 is connected in communication with the corresponding pneumatic system through the connecting air pipe, and the pneumatic system includes a gas pump, an electromagnetic valve and other components, which will not be described here, and the electric components of the pneumatic system are electrically connected to the control host through the electric connection line, and the corresponding button of the control host is pressed to realize the corresponding action of the gas pump or the electromagnetic valve of the pneumatic system, so as to realize the action of the compression cylinder 13 and the telescopic cylinder 17), so that the two arc-shaped blocks 41 move relatively, so that the part of the rotating shaft of the rotor 100 above the winding is inserted into the arc-shaped groove formed in the middle of the inner side wall of the two arc-shaped blocks 41, at this time, the bottom surfaces of the two arc-shaped blocks 41 do not contact the top end of the winding of the rotor 100, and at the same time, the bottom surface of the hub part does not press against the top surface of the arc-shaped plate 410 provided at the upper part of the two arc-shaped blocks 41.

[0031] Then, the push rod of the compression cylinder 13 is pushed to make the bottom end surface of the plastic compression block 15 press against the top surface of the hub part and press it downward until the bottom surface of the hub part presses against the top surface of the arc-shaped plate 410, and continue to press downward until the bottom surface of the hub part presses against the bottom surface of the annular groove, and it is installed in place, at this time, the top part of the rotating shaft is clamped in the central through hole of the hub part, at this time, the buffer spring 42 is not compressed to the bottom, at the same time, the annular block 41 will have a slight downward deformation, the bottom surface of the arc-shaped block 41 will contact the top end of the winding of the rotor 100, and the bottom surface of the hub part is supported by the arc-shaped plate 410, so that the hub part is not easy to deform when it is pressed and fixed, at this time, the extension shaft part 101 is inserted into the recess 151.

[0032] After the installation is completed, the push rod of the compression cylinder 13 is retracted, and the push rods of the two telescopic cylinders 17 are retracted, because the buffer spring 42 is not compressed to the bottom, and the arc-shaped plate 410 and the arc-shaped block 41 are self-lubricating parts made of polytetrafluoroethylene, therefore, when the push rod of the telescopic cylinder 17 is retracted, the arc-shaped plate 410 and the arc-shaped block 41 can be retracted very conveniently and will not cause clamping problems.

[0033] Then, the installed rotor 100 can be taken out, which is convenient to install and has good use effect.

[0034] Finally, it should be noted that the above embodiments are merely representative examples of this utility model. Obviously, this utility model is not limited to the above embodiments and can have many variations. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this utility model should be considered to fall within the protection scope of this utility model.

Claims

1. A rotor impeller mounting device for an electric motor, comprising a fixed base plate (10), characterized in that: A placement seat (20) is fixed in the middle of the top surface of the fixed base plate (10). The bottom of the shaft of the rotor (100) to be processed is inserted into the placement seat (20). The bottom end of the commutator (102) installed at the lower part of the rotor (100) presses against the top surface of the placement seat (20). A rear vertical plate (11) is fixed to the rear part of the top surface of the fixed base plate (10). An upper horizontal fixed plate (12) is fixed to the top surface of the rear vertical plate (11). A clamping cylinder (13) is fixed to the top surface of the middle part of the upper horizontal fixed plate (12). The bottom end of the push rod of the clamping cylinder (13) extends out of the bottom surface of the upper horizontal fixed plate (12) and is equipped with a lifting plate (14). A plastic clamping block (15) is fixed to the bottom surface of the lifting plate (14). A concave hole (151) is formed in the middle of the bottom surface of the plastic clamping block (15). The rotor (100) An annular groove is formed on the outer side wall of the top end of the rotor (100). An extension shaft (101) is formed in the middle of the top end face of the rotor (100). The extension shaft (101) is inserted into the concave hole (151). The top end of the rotor (100) shaft is inserted into the central through hole of the impeller (200) hub. The bottom surface of the hub rests against the bottom surface of the annular groove. The outer side wall of the top end of the rotor (100) shaft rests against the inner side wall of the central through hole of the hub. The bottom end face of the plastic clamping block (15) rests against the top surface of the hub.

2. The rotor impeller mounting device for an electric motor according to claim 1, characterized in that: The top plate of the placement seat (20) has a downwardly extending sleeve portion (21) fixed or formed in the middle bottom surface. The top end of the central vertical through hole of the sleeve portion (21) extends out of the top surface of the top plate of the placement seat (20), and the bottom surface of the sleeve portion (21) is fixed on the top surface of the fixed base plate (10).

3. The rotor impeller mounting device for an electric motor according to claim 2, characterized in that: A self-lubricating protective sleeve (22) is fitted on the inner wall of the central vertical through hole. The top of the self-lubricating protective sleeve (22) extends out of the top surface of the top plate of the placement seat (20). A radially extending edge (23) is formed on its outer wall. The bottom surface of the radially extending edge (23) presses against the top surface of the top plate of the placement seat (20).

4. The rotor impeller mounting device for an electric motor according to claim 3, characterized in that: The bottom surface of the radial extension edge (23) is formed with a plurality of lower positioning protrusions (24). All the lower positioning protrusions (24) are evenly distributed on the bottom surface of the radial extension edge (23) with the central axis of the radial extension edge (23) as the center. They are nested in the positioning recesses formed on the top surface of the top plate of the placement seat (20). The lower part of the rotor (100) shaft is inserted into the self-lubricating protective sleeve (22), and its outer side wall is close to or near the inner side wall of the self-lubricating protective sleeve (22). The bottom surface of the commutator (102) of the rotor (100) is pressed against the top surface of the radial extension edge (23).

5. The rotor impeller mounting device for an electric motor according to claim 1, characterized in that: The bottom end of the push rod of the clamping cylinder (13) is fixed with a horizontal mounting plate (131), and a lifting plate (14) is fixed in the middle of the bottom surface of the horizontal mounting plate (131).

6. The rotor impeller mounting device for an electric motor according to claim 5, characterized in that: The top surface of the horizontal mounting plate (131) is fixed with a plurality of vertical guide rods (132), which are inserted into the corresponding through holes on the upper horizontal mounting plate (12).

7. The rotor impeller mounting device for an electric motor according to claim 6, characterized in that: A guide sleeve is fixed on the inner wall of the corresponding through hole on the upper horizontal fixed plate (12), and the vertical guide rod (132) is inserted into the corresponding guide sleeve, with its outer wall closely attached to the inner wall of the corresponding guide sleeve.

8. The rotor impeller mounting device for an electric motor according to claim 1, characterized in that: Side support plates (16) are fixed on the left and right side walls of the middle part of the rear vertical plate (11). Telescopic cylinders (17) are fixed on the outer side walls of the two side support plates (16). The ends of the push rods of the two telescopic cylinders (17) extend out of the inner side walls of the corresponding side support plates (16) and are fixed with plastic clamping blocks (40). Arc-shaped blocks (41) are formed on the upper part of the opposite walls of the two plastic clamping blocks (40). The bottom surface of the two arc-shaped blocks (41) presses against the top surface of the winding of the rotor (100). The shaft of the rotor (100) above the winding is inserted into the arc-shaped groove formed in the middle of the inner side wall of the two arc-shaped blocks (41). The bottom surface of the hub presses against the top surface of the arc-shaped plate (410) provided at the upper part of the two arc-shaped blocks (41).

9. The rotor impeller mounting device for an electric motor according to claim 8, characterized in that: The upper part of the opposite wall of the two arc-shaped blocks (41) is formed with an upper arc-shaped groove. The arc plate (410) is inserted into the corresponding upper arc-shaped groove. Multiple buffer springs (42) are fixed on the bottom surface of the arc plate (410). The buffer springs (42) are inserted into the corresponding insertion holes formed on the bottom surface of the upper arc-shaped groove. The bottom end of the buffer spring (42) is fixed on the bottom surface of the corresponding insertion hole.

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