CN115800660A - Outer rotor winding machine of single-phase series motor - Google Patents

Abstract

The invention relates to the technical field of motor rotor processing, and particularly provides an outer rotor winding machine of a single-phase series motor, which comprises a machine table, wherein an electric rotating seat and a base are arranged on the machine table, a wire frame is arranged on the electric rotating seat, the outer rotor winding machine further comprises a rotor frame, a cable guide mechanism, a cable protection mechanism and a driving mechanism, the cable guide mechanism comprises two guide pincers, the guide pincers are fixed at the front end of the base, the outer rotor can be clamped between the two guide pincers, the guide pincers are used for guiding a cable, the cable protection mechanism comprises two arc-shaped plates, the two arc-shaped plates are arranged on two sides of the guide pincers in a mirror symmetry manner, the arc-shaped plates are used for shielding the circumferential surface of the outer rotor, the driving mechanism is used for driving the rotor frame and the cable protection mechanism to be close to or far away from the guide pincers, and a gap is formed by matching the guide pincers of the cable guide mechanism with the arc-shaped plates of the cable protection mechanism to guide the cable, so that the cable can smoothly enter the wire grooves of the outer rotors with different axial lengths.

Description

Outer rotor winding machine of single-phase series motor

Technical Field

The invention relates to the technical field of motor rotor processing, in particular to an outer rotor winding machine of a single-phase series motor.

Background

The winding machine is equipment for winding a linear object on a specific workpiece, is usually used for winding a copper wire, most of electric products need to wind an enameled copper wire into a wire groove of an outer rotor, and then the enameled copper wire is wound into an inductance coil.

Patent document publication No. CN 105811689B's rotor coiling machine, including organism, locating lever, transmission case, winding device, supporting disk, broken string device, copper wire barrel and tension adjusting bracket of being qualified for the next round of competitions, the organism is inside to be fixed with the rotatory motor of drive winding device and the step motor of drive locating lever removal, the front portion of organism upper end is equipped with the movable plate, and the locating lever is fixed on the movable plate, the rear portion of organism upper end is fixed to the transmission case, winding device fixes on the front panel of transmission case through the pivot, the front end at the pivot is fixed to the bobbin, broken string device passes through branch to be fixed on the upper portion of transmission case, locating lever, winding device and broken string device's position are corresponding, the upper portion at the transmission case is fixed to the supporting disk, the copper wire barrel of being qualified for the next round of competitions and tension adjusting bracket are fixed on the supporting disk. However, the patent still has some disadvantages: 1. the outer rotor with various axial lengths cannot be wound. 2. It is inconvenient to fix the outer rotors with different inner diameters.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to solve the problem of winding the outer rotors with different axial lengths and different inner diameters, the invention provides an outer rotor winding machine of a single-phase series motor to solve the problem.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a single-phase series excited motor external rotor coiling machine, includes the board, install electric rotating seat and base on the board, install the line frame on the electric rotating seat, electric rotating seat can drive line frame winds the base rotates, still includes rotor frame, cable guiding mechanism, cable protection machanism and actuating mechanism, the rotor frame is used for installing the external rotor, cable guiding mechanism includes two direction pincers, the direction pincers are fixed the front end of base, the external rotor can block into two between the direction pincers, the direction pincers are used for leading to the cable, cable protection machanism includes two arcs, two the arc mirror symmetry sets up the both sides of direction pincers, the arc is used for sheltering from the periphery of external rotor, actuating mechanism is used for driving the rotor frame with cable protection machanism is close to or keeps away from the direction pincers.

Preferably, the rotor frame comprises a servo motor, a motor base, a center shaft, a shaft barrel and a plurality of locking nuts, the servo motor is fixed on the motor base, an output shaft of the servo motor is coaxially connected with the center shaft through a coupler, the shaft barrel is sleeved on the center shaft, the outer rotor is sleeved on the shaft barrel, the end face of the shaft barrel can be abutted against the locking nuts, and the locking nuts are in threaded connection with the center shaft.

Preferably, the shaft barrel is further provided with a locking mechanism, the locking mechanism comprises a plurality of clamping blocks which are uniformly distributed along the circumferential direction of the shaft barrel, the shaft barrel is provided with a clamping groove for containing the clamping blocks, the clamping blocks are connected with the clamping groove through elastic pieces, the locking mechanism further comprises a clamping sleeve, the clamping sleeve is sleeved on the top end of the shaft barrel and is pressed through a locking nut, the outer wall of the clamping sleeve can abut against the clamping blocks, and an inclined plane is arranged at the abutting position of the clamping blocks and the clamping sleeve.

Preferably, the side wall of the cutting sleeve is provided with a conical surface, and the conical surface can be abutted to the inclined surface.

Preferably, the cable guide mechanism further comprises two rodless cylinders, sliding rods of the rodless cylinders are fixed to the side face of the base, cylinder bodies of the two rodless cylinders are respectively connected with the two guide pincers, and the rodless cylinders are used for driving the two guide pincers to approach to or separate from each other.

Preferably, the guide pliers are provided with waist-shaped holes, and the guide pliers penetrate through the waist-shaped holes through screws to be connected with the rodless cylinder.

Preferably, cable protection machanism still includes grillage, underframe, slider and guide rail, the guide rail is fixed on the board, slider slidable mounting is in on the guide rail, the underframe with slider fixed connection, two grillages vertical fixation are in on the underframe, the arc one-to-one is installed on the grillage.

Preferably, the driving mechanism includes a support frame, a driving cylinder, a guide rod and a connecting plate, the support frame is fixedly connected to the machine platform and located below the bottom frame, the driving cylinder is fixed to the support frame, a piston rod of the driving cylinder is connected to the motor base, the motor base is slidably mounted on the connecting plate, the connecting plate is fixed to the center of the bottom frame, one end of the guide rod is fixedly connected to the motor base, the other end of the guide rod is slidably connected to the support frame, and an axis of the guide rod is parallel to an axis of the driving cylinder.

Preferably, the positioning device further comprises a cable positioning mechanism, the cable positioning mechanism comprises a positioning column, a resisting spring, a column head, two connecting rods, two positioning plates, a spring seat and a reset spring, the positioning column is inserted into the base, the tail end of the positioning column is connected with the base through the resisting spring, the column head is fixed at the front end of the positioning column, the two connecting rods are slidably mounted on the column head, the reset spring is abutted between the two connecting rods, the middle part of the reset spring is fixed on the spring seat, the spring seat is fixedly connected with the column head, the two positioning plates are arranged on two sides of the column head in mirror symmetry, the positioning plates are fixed on the connecting rods in one-to-one correspondence, the positioning plates are slidably connected with the guide pincers, and when the outer rotor is clamped into the two guide pincers, the positioning plates are abutted to the circumferential surface of the outer rotor and are positioned between the arc-shaped plate and the guide pincers.

The cable guide mechanism and the cable protection mechanism are arranged, and the guide clamp of the cable guide mechanism is matched with the arc-shaped plate of the cable protection mechanism to form a gap so as to guide the cable, so that the cable can smoothly enter the wire grooves of the outer rotors with different axial lengths.

And secondly, a shaft barrel is arranged on the rotor frame, and the outer rotors with different inner diameters and axial lengths are fixed through the shaft barrel, so that the cable can be smoothly wound in a wire ditch of the outer rotor.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of the working state of an outer rotor winding machine of a single-phase series motor according to the present invention;

fig. 2 is a schematic structural diagram of a preferred embodiment of the winding machine for the outer rotor of the single-phase series motor of the present invention;

fig. 3 is a schematic structural diagram of a bobbin of an outer rotor winding machine of a single-phase series motor according to the present invention;

fig. 4 is a schematic structural diagram of a cable guide mechanism of an outer rotor winding machine of a single-phase series motor according to the invention;

fig. 5 is a schematic structural diagram of a cable protection mechanism of an outer rotor winding machine of a single-phase series motor according to the present invention;

fig. 6 is a schematic structural view of a shaft cylinder of an outer rotor winding machine of a single-phase series motor according to the present invention;

fig. 7 is a schematic structural diagram of a cable positioning mechanism of an outer rotor winding machine of a single-phase series motor according to the invention;

fig. 8 is a schematic structural diagram of a driving mechanism of an outer rotor winding machine of a single-phase series motor according to the present invention.

Reference numerals: 1. a machine platform; 2. an electric rotating base; 3. a base; 4. a wire frame; 5. a rotor frame; 6. a cable guide mechanism; 7. a cable protection mechanism; 8. a drive mechanism; 9. an outer rotor; 10. guiding pliers; 11. a cable; 12. an arc-shaped plate; 13. a servo motor; 14. a motor base; 15. a middle shaft; 16. a shaft cylinder; 17. locking the nut; 18. a clamping block; 19. a card slot; 20. a card sleeve; 21. a conical surface; 22. a rodless cylinder; 23. a waist-shaped hole; 24. a plate frame; 25. a bottom frame; 26. a slider; 27. a guide rail; 28. a support frame; 29. a driving cylinder; 30. a guide bar; 31. a connecting plate; 32. a positioning column; 33. the spring is tightly propped; 34. a column cap; 35. a connecting rod; 36. positioning a plate; 37. a spring seat; 38. a return spring.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 to 8, the present invention provides an embodiment of an external rotor winding machine of a single-phase series motor, including a machine table 1, an electric rotating base 2 and a base 3 are installed on the machine table 1, a bobbin 4 is installed on the electric rotating base 2, the electric rotating base 2 can drive the bobbin 4 to rotate around the base 3, a rotor frame 5, a cable guiding mechanism 6, a cable protecting mechanism 7 and a driving mechanism 8 are further included, the rotor frame 5 is used for installing an external rotor 9, the cable guiding mechanism 6 includes two guiding jaws 10, the guiding jaws 10 are fixed at the front end of the base 3, the external rotor 9 can be clamped between the two guiding jaws 10, the guiding jaws 10 are used for guiding the cable 11, the cable protecting mechanism 7 includes two arc plates 12, a bobbin frame 24, a bottom frame 25, a slider 26 and a guide rail 27, the guide rail 27 is fixed on the machine table 1, the slider 26 is slidably installed on the guide rail 27, the bottom frame 25 is fixedly connected with the slider 26, the two bobbin frame 24 are vertically fixed on the bottom frame 25, the arc plates 12 are installed on the bottom frame 24, the two arc plates 12 are symmetrically arranged on two sides of the guide rail frame 10, the guiding jaws 12, the outer rotor frame 12 and the slider 9 are used for driving the cable 5 to pass through the guiding mechanism, the guiding the cable 11, the guiding mechanism when the cable 5 and the guiding mechanism are required to be close to the rotor frame 11, the wire frame 4 is driven to rotate around the base 3 and the guide clamp 10, the wire 11 is driven to rotate around the guide clamp 10 in the moving process of the wire frame 4, and when the wire 11 is in contact with the guide clamp 10 and the arc-shaped plate 12, the wire is guided by the guide clamp 10 and is fed into a gap between the guide clamp 10 and the arc-shaped plate 12, so that the wire 11 can be automatically clamped into a wire groove of the outer rotor 9 in the winding process.

The positioning device further comprises a cable positioning mechanism, the cable positioning mechanism comprises a positioning column 32, a resisting spring 33, a column head 34, two connecting rods 35, two positioning plates 36, a spring seat 37 and a return spring 38, the positioning column 32 is inserted into the base 3, the tail end of the positioning column 32 is connected with the base 3 through the resisting spring 33, the column head 34 is fixed at the front end of the positioning column 32, the two connecting rods 35 are slidably mounted on the column head 34, the return spring 38 is abutted between the two connecting rods 35, the middle of the return spring 38 is fixed on the spring seat 37, the spring seat 37 is fixedly connected with the column head 34, the two positioning plates 36 are arranged on two sides of the column head 34 in a mirror symmetry mode, the positioning plates 36 are correspondingly fixed on the connecting rods 35 one by one, the positioning plates 36 are slidably connected with the guide pincers 10, and when the outer rotor 9 is clamped between the two guide pincers 10, the positioning plates 36 are abutted to the circumferential surface of the outer rotor 9 and are positioned between the arc-shaped plate 12 and the guide pincers 10.

The working principle of the cable positioning mechanism is as follows: when the outer rotor 9 is clamped into the guide clamp 10, the circumferential surface of the outer rotor 9 is firstly abutted against the two positioning plates 36 and pushes the positioning columns 32 to retract into the base 3, the abutting springs 33 are compressed, the positioning plates 36 are always abutted against the circumferential surface of the outer rotor 9, meanwhile, the positioning plates 36 are positioned on two sides of the guide clamp 10 and are in sliding connection with the guide clamp 10, the distance between the two positioning plates 36 is limited through the thickness of the guide clamp 10, the positioning plates 36 can be aligned to the openings of the wire ditches, then the arc-shaped plates 12 are matched with the positioning plates 36, guiding is carried out at the openings of the wire ditches, the cables 11 can firstly enter between the positioning plates 36 and the arc-shaped plates 12 before entering the wire ditches of the outer rotor 9, the cables 11 can further smoothly enter the wire ditches, the cables 11 are prevented from being hung or scratched by the openings of the wire ditches, when the cables 11 with larger diameters enter between the positioning plates 36 and the arc-shaped plates 12, the cables 11 compress the positioning plates 36 to enable the positioning plates 36 to retract the connecting rods 35 to retract into the column heads 34, gaps between the positioning plates 36 and the cables 12 are enlarged, and the cables 11 with the larger diameters are convenient for guiding.

The rotor frame 5 comprises a servo motor 13, a motor base 14, a middle shaft 15, a shaft barrel 16 and a plurality of locking nuts 17, the servo motor 13 is fixed on the motor base 14, an output shaft of the servo motor 13 is coaxially connected with the middle shaft 15 through a coupler, the shaft barrel 16 is sleeved on the middle shaft 15, the outer rotor 9 is sleeved on the shaft barrel 16, the end face of the shaft barrel 16 can be abutted against the locking nuts 17, and the locking nuts 17 are in threaded connection with the middle shaft 15.

Still be provided with locking mechanism on the bobbin 16, locking mechanism includes a plurality of fixture blocks 18 that evenly lay along the circumference of bobbin 16, offer the draw-in groove 19 that is used for holding fixture block 18 on the bobbin 16, be connected through the shell fragment between fixture block 18 and the draw-in groove 19, locking mechanism still includes cutting ferrule 20, cutting ferrule 20 cover is established on the top of bobbin 16, cutting ferrule 20 compresses tightly through lock nut 17, the outer wall of cutting ferrule 20 can be with fixture block 18 butt, fixture block 18 is provided with the inclined plane with cutting ferrule 20's butt department, cutting ferrule 20's lateral wall is provided with conical surface 21, conical surface 21 can with the inclined plane butt.

The working principle of the rotor frame 5 is as follows: when the outer rotors 9 with different inner diameters need to be fixed, firstly, the shaft barrel 16 is sleeved on the central shaft 15, the outer rotors 9 are sleeved on the shaft barrel 16, the clamping block 18 of the locking mechanism can be abutted against inner rings of the outer rotors 9 with different inner diameters to preliminarily fix the outer rotors 9, then the locking nut 17 at the bottom of the shaft barrel 16 is adjusted, the outer rotors 9 are adjusted to a proper height, then the clamping sleeve 20 is installed on the shaft barrel 16, the clamping sleeve 20 is pressed downwards through the locking nut 17 at the top of the shaft barrel 16, the clamping sleeve 20 pushes the clamping blocks 18 to move outwards in the pressing process, the clamping block 18 is abutted against the outer rotors 9, then the locking nuts 17 at the top and the bottom of the shaft barrel 16 are locked, and the outer rotors 9 with different inner diameters can be fixed.

The cable guide mechanism 6 further comprises two rodless cylinders 22, sliding rods of the rodless cylinders 22 are fixed on the side face of the base 3, kidney-shaped holes 23 are formed in the guide pliers 10, the guide pliers 10 penetrate through the kidney-shaped holes 23 through screws to be connected with cylinder bodies of the rodless cylinders 22, the rodless cylinders 22 are used for driving the two guide pliers 10 to be close to or away from each other, namely the rodless cylinders 22 drive the guide pliers 10 to move, and the guide pliers 10 can clamp end faces of the outer rotors 9 with different axial lengths.

Actuating mechanism 8 includes support frame 28, drive actuating cylinder 29, guide bar 30 and connecting plate 31, support frame 28 and board 1 fixed connection and be located the below of underframe 25, it fixes on support frame 28 to drive actuating cylinder 29, the piston rod that drives actuating cylinder 29 is connected with motor cabinet 14, motor cabinet 14 slidable mounting is on connecting plate 31, connecting plate 31 is fixed in the center department of underframe 25, the one end and the motor cabinet 14 fixed connection of guide bar 30, the other end and the support frame 28 sliding connection of guide bar 30, the axis of guide bar 30 is parallel with the axis that drives actuating cylinder 29.

The operating principle of the drive mechanism 8 is: in an initial state, the middle shaft 15 and the outer rotor 9 are far away from the arc-shaped plate 12, at this time, the driving cylinder 29 pushes the motor base 14 to drive the motor and the middle shaft 15 to move towards the arc-shaped plate 12, so that the outer rotor 9 and the arc-shaped plate 12 are close to each other, the circumferential surface of the outer rotor 9 is shielded through the arc-shaped plate 12 and the cable 11 is guided, then the driving cylinder 29 continues to push the motor base 14 to advance, the motor base 14 drives the connecting plate 31 and the bottom frame 25 to advance together, the arc-shaped plate 12 and the outer rotor 9 are pushed to be close to the guide pincers 10, so that the outer rotor 9 is clamped between the two guide pincers 10, the positioning of the outer rotor 9 is completed, after the winding of the cable 11 is completed, the driving cylinder 29 resets to drive the motor base 14, the middle shaft 15 and the outer rotor 9 to be far away from the arc-shaped plate 12, and then the connecting plate 31 drives the bottom frame 25 to reset together, so that the arc-shaped plate 12 is far away from the guide pincers 10, the reset action is completed, and the outer rotor 9 is disassembled and replaced.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic representation of terms does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (9)

1. The utility model provides a single-phase series motor external rotor coiling machine, includes board (1), install electric rotary seat (2) and base (3) on board (1), install line frame (4) on electric rotary seat (2), electric rotary seat (2) can drive line frame (4) wind base (3) rotate its characterized in that: still include rotor frame (5), cable guiding mechanism (6), cable protection mechanism (7) and actuating mechanism (8), rotor frame (5) are used for installing external rotor (9), cable guiding mechanism (6) include two direction pincers (10), direction pincers (10) are fixed the front end of base (3), two can be gone into in external rotor (9) between direction pincers (10), direction pincers (10) are used for leading to cable (11), cable protection mechanism (7) include two arcs (12), two arc (12) mirror symmetry sets up the both sides of direction pincers (10), arc (12) are used for sheltering from the periphery of external rotor (9), actuating mechanism (8) are used for driving rotor frame (5) with cable protection mechanism (7) are close to or keep away from direction pincers (10).

2. The external rotor winding machine of the single-phase series motor according to claim 1, wherein: the rotor frame (5) comprises a servo motor (13), a motor base (14), a middle shaft (15), a shaft barrel (16) and a plurality of locking nuts (17), wherein the servo motor (13) is fixed on the motor base (14), an output shaft of the servo motor (13) is coaxially connected with the middle shaft (15) through a coupler, the shaft barrel (16) is sleeved on the middle shaft (15), an outer rotor (9) is sleeved on the shaft barrel (16), the end face of the shaft barrel (16) can be abutted to the locking nuts (17), and the locking nuts (17) are in threaded connection with the middle shaft (15).

3. The external rotor winding machine of the single-phase series motor according to claim 2, wherein: the locking mechanism is further arranged on the shaft barrel (16) and comprises a plurality of clamping blocks (18) which are uniformly distributed along the circumferential direction of the shaft barrel (16), a clamping groove (19) used for containing the clamping blocks (18) is formed in the shaft barrel (16), the clamping blocks (18) are connected with the clamping groove (19) through elastic sheets, the locking mechanism further comprises a clamping sleeve (20), the clamping sleeve (20) is sleeved on the top end of the shaft barrel (16), the clamping sleeve (20) is pressed through a locking nut (17), the outer wall of the clamping sleeve (20) can be abutted to the clamping blocks (18), and an inclined surface is arranged at the abutting position of the clamping blocks (18) and the clamping sleeve (20).

4. An external rotor winding machine for a single-phase series motor according to claim 3, wherein: the side wall of the cutting sleeve (20) is provided with a conical surface (21), and the conical surface (21) can be abutted to the inclined surface.

5. The external rotor winding machine of the single-phase series motor according to claim 1, wherein: the cable guide mechanism (6) further comprises two rodless cylinders (22), sliding rods of the rodless cylinders (22) are fixed to the side face of the base (3), cylinder bodies of the two rodless cylinders (22) are respectively connected with the two guide pincers (10), and the rodless cylinders (22) are used for driving the two guide pincers (10) to approach to each other or to be away from each other.

6. An external rotor winding machine for a single-phase series motor according to claim 5, wherein: the guide pliers (10) are provided with waist-shaped holes (23), and the guide pliers (10) penetrate through the waist-shaped holes (23) through screws to be connected with the rodless cylinder (22).

7. The external rotor winding machine of the single-phase series motor according to claim 1, wherein: cable protection machanism (7) still include grillage (24), underframe (25), slider (26) and guide rail (27), guide rail (27) are fixed on board (1), slider (26) slidable mounting be in on guide rail (27), underframe (25) with slider (26) fixed connection, two grillage (24) vertical fixation are in on underframe (25), arc (12) one-to-one install on grillage (24).

8. The external rotor winding machine of the single-phase series motor according to claim 7, wherein: actuating mechanism (8) include support frame (28), drive actuating cylinder (29), guide bar (30) and connecting plate (31), support frame (28) with board (1) fixed connection and being located the below of underframe (25), it fixes to drive actuating cylinder (29) on support frame (28), the piston rod that drives actuating cylinder (29) with motor cabinet (14) are connected, motor cabinet (14) slidable mounting be in on connecting plate (31), connecting plate (31) are fixed the center department of underframe (25), the one end of guide bar (30) with motor cabinet (14) fixed connection, the other end of guide bar (30) with support frame (28) sliding connection, the axis of guide bar (30) with the axis that drives actuating cylinder (29) is parallel.

9. The external rotor winding machine of the single-phase series motor according to claim 1, wherein: also comprises a cable positioning mechanism, the cable positioning mechanism comprises a positioning column (32), a resisting spring (33), a column head (34), two connecting rods (35), two positioning plates (36), a spring seat (37) and a return spring (38), the positioning column (32) is inserted into the base (3), the tail end of the positioning column (32) is connected with the base (3) through the abutting spring (33), the column head (34) is fixed at the front end of the positioning column (32), the two connecting rods (35) are arranged on the column head (34) in a sliding way, the return spring (38) is abutted between the two connecting rods (35), the middle part of the return spring (38) is fixed on the spring seat (37), the spring seat (37) is fixedly connected with the column head (34), the two positioning plates (36) are arranged on two sides of the column head (34) in a mirror symmetry manner, the positioning plates (36) are fixed on the connecting rods (35) in a one-to-one correspondence manner, the positioning plate (36) is connected with the guide clamp (10) in a sliding way, when the outer rotor (9) is clamped between the two guide jaws (10), the positioning plate (36) is abutted against the circumferential surface of the outer rotor (9) and is positioned between the arc-shaped plate (12) and the guide clamp (10).

Images