CN206135570U - A spiral induction motor - Google Patents

Abstract

The utility model discloses a spiral induction motor, which comprises a stator capable of generating a spiral motion magnetic field and a rotor which is movably arranged in the stator and performs spiral motion under the action of the spiral motion magnetic field; the stator includes a spiral stator iron core and a stator For the winding coil, the stator core is provided with an axially opened accommodation groove, and the stator winding coil is embedded in the accommodation groove; the rotor includes a movement shaft, on which a rotor iron core is arranged, and the rotor iron core is covered with a conductive layer. The conductive layer, the rotor iron core, and the movement shaft are coaxial. When the spiral induction motor of the utility model is connected to three-phase electricity and works, according to the spiral structure of the motor stator, the stator will generate a spiral moving magnetic field, and finally generate a spiral torque on the rotor, and the rotor will perform spiral motion. The spiral induction motor of the utility model adopts an induction motor structure and has the advantages of simple structure and low price.

Description

A spiral induction motor

technical field

The utility model relates to a motor, in particular to a spiral induction motor.

Background technique

In the production and processing industry, the drive motors of devices such as auger drilling machines, screw conveyors, screw compressors, plastic extruders, and screw pumps all need to drive the shaft to perform screw motion. The traditional technology realizes the helical motion of the drive shaft through the mechanical combination of multiple motors. The solution in the traditional technology is not only quite complicated in the control method, but also requires a lot of expensive, bulky and cumbersome mechanical transmission devices. In addition, since the transmission components and bearings bear large axial force, the mechanical wear of these components is quite large, and the equipment loss is serious.

The utility model patent "Plastic Injection Molding Machine with Built-in Linear-Rotary Direct Drive Device" with publication number CN101312814 discloses a plastic injection molding machine including an electric rotary drive device, an electric linear drive device, an output shaft, etc., and its rotation The drive device and the linear drive share a pot-shaped outer rotor, which is fixedly connected to the output shaft. The main part of the hollow cylindrical stator of the linear motor is arranged in the inner cavity of the pot-shaped outer rotor. The stator of the rotary motor is connected with the The hollow cylindrical stator of the linear motor is fixedly arranged inside the hollow cylindrical stator of the linear motor. The stator windings of the rotary motor and the linear motor of the device are arranged on a pot-shaped outer rotor. Since the outer rotor directly drives the output shaft, the moment of inertia is large and the bearing wear is serious. At the same time, the disclosed utility model patent also has the disadvantages of complex mechanical structure, high processing cost, large device volume and inconvenient use.

Utility model content

The utility model provides a helical induction motor, which can drive a load to do a helical motion, and the output pitch of the motor can be adjusted.

In order to achieve the above object, the technology of the utility model is realized in the following manner:

A spiral induction motor includes a stator capable of generating a spiral magnetic field and a rotor that is movably arranged in the stator and performs spiral motion under the action of the spiral magnetic field; the stator includes a spiral stator core and a stator iron core The stator winding coil in the core, the stator core is provided with an accommodation slot opened in the axial direction, the stator winding coil is embedded in the accommodation slot; the rotor includes a movement shaft, and the movement shaft is provided with a rotor An iron core, the rotor iron core is covered with a conductive layer. The conductive layer, the rotor iron core, and the movement shaft are coaxial.

As an improvement to the above technical solution, the helical induction motor also includes a casing, the inner wall of the casing is provided with positioning pins in the axial direction, and the outer circumference of the stator core is correspondingly provided with positioning grooves, and the stator core is positioned by The matching snap of the pin and the positioning groove is installed in the inner cavity of the shell.

As an improvement to the above technical solution, the two ends of the housing are provided with fixing pieces, the fixing pieces are correspondingly provided with adjustment connection holes, the two ends of the stator core are provided with adjustment bolts, and the stator core is adjusted The cooperation of the bolt and the adjustment connection hole is connected on the fixed piece.

As an improvement to the above technical solution, both ends of the housing are provided with end caps with built-in shaft holes, and the end caps are fixedly connected to the housing by screwing connection bolts and bolt holes; the shaft holes are provided with a bearing, and the moving shaft is movably erected on the end cover through the bearing. The rotor shaft is movably connected with the end cover through a bearing, and can perform spiral motion.

As an improvement to the above technical solution, the two ends of the housing are provided with fixing pieces, the fixing pieces are correspondingly provided with adjustment connection holes, and the end cover is provided with end cover connection holes at positions corresponding to the adjustment connection holes , the two ends of the stator core are provided with adjusting bolts, and the adjusting bolts are fixedly connected to the end cover through the adjusting connection hole and the end cover connection hole.

As an improvement to the above technical solution, a base is provided at the bottom of the housing, and a junction box and a suspension ring are provided at the upper part of the housing.

Compared with the prior art, the positive effects produced by the technical solution of the utility model are as follows:

When the utility model spiral induction motor is energized and working, the stator winding coil of the motor is fed with multi-phase alternating current, and a traveling wave magnetic field is generated along the spiral direction of the stator core. Since the stator core is helical, the generated magnetic field is a spiral traveling wave magnetic field. According to the law of electromagnetic induction, the rotor will do spiral motion under the action of electromagnetic force. The utility model adopts a simple structure to realize the spiral movement, and the motor has the advantages of simple structure and low price.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is a schematic diagram of a half-section structure of the utility model;

Fig. 3 is the structural representation of shell in the utility model;

Fig. 4 is a schematic diagram of the installation structure of the end cover, the rotor and the stator in the utility model;

Fig. 5 is a schematic diagram of the structure of the end cap in the utility model;

Fig. 6 is a schematic diagram of the structure of the rotor in the utility model;

Fig. 7 is a structural schematic diagram of the stator core in the utility model.

In the figure: 1. Shell; 2. Junction box; 3. Lifting ring; 4. End cover; 5. Motion shaft; 6. Base; 7. Connecting bolt; 8. Bearing; 9. Stator core; 10. End cover Connection hole; 11, positioning slot; 12, accommodation slot; 13, rotor core; 14, stator winding coil; 15, 16 both ends of stator core; 17, connecting bolt hole; 18, positioning pin; 19, fixed piece ; 21. Adjusting bolt; 22. Conductive layer; 23. Shaft hole; 24. Adjusting connection hole.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without creative work, any modifications, equivalent replacements, improvements, etc., shall be included in the protection of the present utility model. within range.

As shown in Figures 1-7, the helical induction motor of the present invention at least includes a stator capable of generating a helical motion magnetic field and a rotor that is movably arranged in the stator and performs helical motion under the action of the helical motion magnetic field.

The stator includes a helical stator core 9 and a stator winding coil 14 arranged in the stator core 9, the stator core 9 is provided with an accommodating slot 12 opened in the axial direction, and the stator winding coil 14 is embedded Installed in the receiving groove 12.

The rotor includes a motion shaft 5 , on which a rotor core 13 is arranged, and a conductive layer 22 is covered on the rotor core 13 . The conductive layer 22, the rotor core 13, and the motion shaft 5 are coaxial.

The helical induction motor also includes a housing 1, the inner wall of the housing 1 is provided with positioning pins 18 in the axial direction, and the outer circumference of the stator core 9 is correspondingly provided with a positioning groove 11, and the stator core 9 passes through the positioning pins 18. 1. The fit of the positioning groove 11 is snapped into the inner cavity of the shell 1 .

Both ends of the housing 1 are provided with fixing pieces 19, and the fixing pieces 19 are correspondingly provided with adjustment connection holes 24, and the two ends 15, 16 of the stator core 9 are provided with adjusting bolts 21, and the stator core 9 It is connected to the fixed piece 19 through the cooperation of the adjusting bolt 21 and the adjusting connection hole 24 .

Both ends of the housing 1 are provided with end caps 4 with built-in shaft holes 23, and the end caps 4 are fixedly connected to the housing 1 by connecting bolts 7 and bolt holes 17; the shaft holes 23 are provided with Bearing 8, the moving shaft 5 is movably erected on the end cover 4 through the bearing 8. The 5-axis of the rotor is movably connected with the end cover 4 through the bearing 8, and can perform spiral motion.

Both ends of the housing 1 are provided with fixing pieces 19, and the fixing piece 19 is correspondingly provided with an adjustment connection hole 24, and the end cover 4 is provided with an end cover connection hole 10 at a position corresponding to the adjustment connection hole 24, The two ends 15 and 16 of the stator core 9 are provided with adjusting bolts 21 , and the adjusting bolts 21 are fixedly connected to the end cover 4 through the adjusting connection hole 24 and the end cover connection hole 10 .

A base 6 is provided at the bottom of the housing 1 , and a junction box 2 and a suspension ring 3 are provided at the upper part of the housing 1 .

When the utility model spiral induction motor is energized and working, the stator winding coil of the motor is fed with multi-phase alternating current, and a traveling wave magnetic field is generated along the spiral direction of the stator core. Since the stator core is helical, the generated magnetic field is a spiral traveling wave magnetic field. According to the law of electromagnetic induction, the rotor will do spiral motion under the action of electromagnetic force. The utility model adopts a simple structure to realize the spiral movement, and the motor has the advantages of simple structure and low price.

Claims (6)

1. A helical induction motor, characterized in that: comprise a stator that can produce a helical motion magnetic field and a rotor that is movably arranged in the stator and performs a helical motion under the effect of a helical motion magnetic field; the stator includes a helical stator iron The core and the stator winding coils arranged in the stator core, the stator core is provided with an accommodation slot opened along the axial direction, the stator winding coil is embedded in the accommodation slot; the rotor includes a moving shaft, the A rotor iron core is arranged on the moving shaft, and the rotor iron core is covered with a conductive layer. 2. The helical induction motor according to claim 1, characterized in that: the helical induction motor also includes a casing, the inner wall of the casing is provided with positioning pins along the axial direction, and the outer circumference of the stator core is provided with positioning pins correspondingly. groove, and the stator core is snapped into the inner cavity of the shell through the cooperation of the positioning pin and the positioning groove. 3. The spiral induction motor according to claim 2, characterized in that: the two ends of the housing are provided with fixing pieces, the fixing pieces are correspondingly provided with adjustment connection holes, and the two ends of the stator core are provided with adjustment holes. Bolts, the stator core is connected to the fixed piece through the cooperation of the adjusting bolts and the adjusting connection holes. 4. The spiral induction motor according to claim 3, characterized in that: the two ends of the housing are provided with end covers with built-in shaft holes, and the end covers are fixedly connected to the housing by connecting bolts and connecting bolt holes. Above; the shaft hole is provided with a bearing, and the motion shaft is movably erected on the end cover through the bearing. 5. The spiral induction motor according to claim 4, characterized in that: the two ends of the housing are provided with fixing pieces, and the fixing piece is correspondingly provided with an adjustment connection hole, and the end cover is corresponding to the adjustment connection hole. An end cover connection hole is provided at the position of the stator core, and adjustment bolts are provided at both ends of the stator core, and the adjustment bolt is fixedly connected with the end cover through the adjustment connection hole and the end cover connection hole. 6. The helical induction motor according to claim 4, characterized in that: the bottom of the housing is provided with a base, and the base and the housing are integrally structured; the upper part of the housing is provided with a junction box and a suspension ring.