Combined motor capable of advancing and rotating

Abstract

The invention discloses a combined motor capable of advancing and rotating, which belongs to the technical field of motors and comprises an adapter tube, an advancing motor stator is arranged at one end of the adapter tube, a rotating motor shell is arranged at the other end of the adapter tube, and a first connecting piece fixedly connected with the advancing motor stator is arranged on the adapter tube. A second connecting piece used for being fixedly connected with a rotating motor shell is arranged on the adapter pipe, a marching motor shaft core made of permanent magnet materials is arranged in the marching motor stator, a rotating motor shaft is arranged in the rotating motor shell, and a connecting assembly used for connecting the marching motor shaft core and the rotating motor shaft is arranged in the marching motor stator. A driving assembly used for driving the rotating motor shaft to rotate is arranged on the rotating motor shell. According to the invention, the rotary output and the linear output of the two motors are converted into the linear rotary motion of the rotary motor shaft.

Description

Technical Field

[0001] This invention relates to the technical field of electric motors, and in particular to a movable and rotating combined motor. Background Technology

[0002] An electric motor is an electromagnetic device that converts or transmits electrical energy based on the law of electromagnetic induction, or converts one form of electrical energy into another. An electric motor converts electrical energy into mechanical energy (commonly known as a motor), while a generator converts mechanical energy into electrical energy. In circuit diagrams, an electric motor is represented by the letter "M" (formerly "D"). Its main function is to generate driving torque, serving as a power source for electrical appliances or various machines.

[0003] In modern industrial automation, robot joints, semiconductor processing equipment, precision magnetic adjustment frames, and aerospace actuation systems, the requirements for motion actuators are increasing, often requiring the drive of loads to simultaneously complete compound motions of rotation and linear forward and backward movement. Summary of the Invention

[0004] In order to drive the load to perform a combined motion of rotation and linear forward and backward movement, this application provides a combined motor capable of moving and rotating.

[0005] The combined motor capable of traveling and rotating provided in this application adopts the following technical solution: A movable and rotatable combined motor includes an adapter tube. One end of the adapter tube is provided with a movable motor stator, and the other end of the adapter tube is provided with a rotatable motor housing. The adapter tube is provided with a first connector fixedly connected to the movable motor stator, and a second connector fixedly connected to the rotatable motor housing. The movable motor stator contains a movable motor shaft made of permanent magnet material. The rotatable motor housing contains a rotatable motor shaft. The movable motor stator contains a connecting assembly for connecting the movable motor shaft and the rotatable motor shaft. The rotatable motor housing contains a drive assembly for driving the rotatable motor shaft to rotate.

[0006] By adopting the above technical solution, the stator of the traveling motor generates an alternating magnetic field after being energized. The shaft of the traveling motor is made of permanent magnet material. Under the action of the alternating magnetic field, the permanent magnet begins to travel in a straight line. The drive component drives the rotating motor shaft to rotate. When the traveling motor shaft travels in a straight line, it drives the rotating rotating motor shaft to move through the connecting component, thereby converting the rotational output and linear output of the two motors into the linear rotational motion of the rotating motor shaft.

[0007] Optionally, the adapter pipe has a mounting groove at one end near the stator of the motor, and the stator of the motor is inserted into the mounting groove at one end near the adapter pipe. The bottom surface of the adapter pipe has a mounting hole that communicates with the mounting groove. The outer circumferential surface of the motor stator has a threaded hole. The connector includes a connecting screw that passes through the mounting hole and is inserted into the threaded hole. The connecting screw is threaded to the inner wall of the threaded hole.

[0008] By adopting the above technical solution, the end of the travel motor stator is inserted into the mounting groove, the threaded hole on the travel motor stator corresponds to the mounting hole on the adapter tube, and then the connecting screw is screwed into the threaded hole through the mounting hole to fix the travel motor stator and the adapter tube.

[0009] Optionally, the second connector includes a front end cover, which is disposed between the adapter tube and the rotary motor housing. Positioning rings are fixed to both ends of the front end cover, and the two positioning rings are respectively inserted into the adapter tube and the rotary motor housing. The two ends of the front end cover are respectively fitted to the opposite ends of the adapter tube and the rotary motor housing. A through hole is provided at each side corner of the front end cover. A threaded hole is provided at each corner of the rotary motor housing near the adapter tube. A notch is provided at each corner of the outer wall of the adapter tube. A through hole is provided near the inner wall of the front end cover near the notch. A connecting screw is inserted into the through hole, passing through the through hole and into the threaded hole. The connecting screw is threadedly connected to the inner wall of the threaded hole.

[0010] By adopting the above technical solution, the positioning ring on one side of the front cover is inserted into the adapter pipe, so that the through hole one on the front cover corresponds to the through hole two on the adapter pipe. Then, the rotary motor housing is fitted onto the positioning ring on the other side of the front cover, so that the threaded hole two on the rotary motor housing is aligned with the through hole one. Finally, the connecting screw two is screwed into the threaded hole two through the through hole two and the through hole one, thereby fixing the adapter pipe, the front cover and the rotary motor housing together.

[0011] Optionally, the drive assembly includes a rotary motor rotor shaft sleeved on the rotary motor shaft, the rotary motor rotor shaft being rotatably connected to the rotary motor housing, a rotary motor rotor assembly being sleeved and fixed on the outer circumferential surface of the rotary motor rotor shaft, a rotary motor stator assembly being disposed inside the rotary motor housing, and a connecting member three being disposed on the rotary motor rotor shaft for connecting to the rotary motor shaft.

[0012] By adopting the above technical solution, the stator assembly of the rotating motor generates an alternating magnetic field after being energized, which causes the rotor assembly of the rotating motor to rotate. Then, the rotor assembly of the rotating motor drives the rotor shaft of the rotating motor to rotate. The rotor shaft of the rotating motor rotates through the connecting member three, thereby causing the connecting member three to drive the rotating motor shaft to rotate.

[0013] Selectedly, the inner circumferential surface of the rotor shaft of the rotary motor is provided with a groove 1, the outer circumferential surface of the rotary motor shaft is provided with a groove 2, and the connecting member 3 includes a plurality of steel balls 1 disposed in the groove 1, and the steel balls 1 are inserted into the groove 2.

[0014] By adopting the above technical solution, when the rotor shaft of the rotary motor rotates, the rotor shaft drives the steel ball to rotate, thereby causing the steel ball to drive the rotary motor shaft to rotate.

[0015] Optionally, the connecting assembly includes a threaded adapter disposed within the stator of the travel motor, the threaded adapter being disposed between the travel motor shaft and the rotary motor shaft, a connecting post being fixed to the end of the threaded adapter away from the rotary motor shaft, a connecting groove being fitted onto the end face of the travel motor shaft near the threaded adapter, the connecting post being inserted into the connecting groove, the connecting post being threadedly connected to the inner wall of the connecting groove, an insertion groove being formed on the end face of the threaded adapter away from the travel motor shaft, the end of the rotary motor shaft near the travel motor shaft being inserted into the insertion groove, and a connecting member four being provided on the threaded adapter for connecting to the rotary motor shaft.

[0016] By adopting the above technical solution, the connecting post on the threaded adapter is screwed into the connecting groove on the drive motor shaft, and then the rotary motor shaft is inserted into the insertion groove on the drive motor shaft. The rotary motor shaft is connected to the threaded adapter through the connector four, thereby connecting the drive motor shaft and the rotary motor shaft.

[0017] Optionally, the inner wall of the insertion slot is provided with an annular groove one, and the outer circumferential surface of the rotary motor shaft is provided with an annular groove two. The connector four includes a plurality of steel balls two disposed in the annular groove one, and the steel balls two are inserted into the annular groove two.

[0018] By adopting the above technical solution, when the rotary motor shaft is inserted into the insertion groove, the second annular groove on the rotary motor shaft is opposite to the first annular groove on the inner wall of the insertion groove. By setting the second steel ball in the first and second annular grooves, the rotary motor shaft is restricted in the insertion groove.

[0019] Optionally, the outer circumferential surface of the threaded adapter is provided with a second mounting hole for the steel ball to pass through. The second mounting hole is connected to the first annular groove. A set screw is inserted into the second mounting hole, and the set screw is threaded to the inner wall of the second mounting hole.

[0020] By adopting the above technical solution, when the rotary motor shaft is inserted into the insertion slot, the second annular groove on the rotary motor shaft is opposite to the first annular groove on the inner wall of the insertion slot. Then, the second steel ball is placed into the second mounting hole. The second steel ball falls into the first and second annular grooves through the second mounting hole, which facilitates the installation of the second steel ball. After the second steel ball is installed, the set screw is screwed into the second mounting hole, thereby sealing the second steel ball in the first and second annular grooves.

[0021] Optionally, a magnetic grating reading head for the travel motor is provided inside the stator of the travel motor.

[0022] By adopting the above technical solution, a magnetic grating reading head for the traveling motor is set inside the stator of the traveling motor, so that the magnetic grating reading head reads the position information on the traveling motor shaft and feeds it back to the terminal, thereby facilitating the control of the speed and distance of the traveling motor shaft movement.

[0023] In summary, this application includes at least one of the following beneficial technical effects: 1. When the stator of the traveling motor is energized, it generates an alternating magnetic field. The shaft of the traveling motor is made of permanent magnet material. Under the action of the alternating magnetic field, the permanent magnet begins to travel in a straight line. The drive assembly drives the rotating motor shaft to rotate. When the shaft of the traveling motor travels in a straight line, it drives the rotating rotating motor shaft to move through the connecting assembly, thereby converting the rotational output and linear output of the two motors into the linear rotational motion of the rotating motor shaft. 2. Insert the positioning ring on one side of the front cover into the adapter pipe, so that the through hole one on the front cover corresponds to the through hole two on the adapter pipe. Then, put the rotary motor housing on the positioning ring on the other side of the front cover, so that the threaded hole two on the rotary motor housing is aligned with the through hole one. Finally, screw the connecting screw two through the through hole two and the through hole one into the threaded hole two, so that the adapter pipe, the front cover and the rotary motor housing are fixedly connected. 3. Screw the connecting post on the threaded adapter into the connecting groove on the drive motor shaft, and then insert the rotary motor shaft into the insertion groove on the drive motor shaft. Connect the rotary motor shaft to the threaded adapter through the connector four, thereby connecting the drive motor shaft and the rotary motor shaft. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of the movable and rotatable combined motor according to an embodiment of this application.

[0025] Figure 2 This is a cross-sectional view of the stator of the traveling motor in an embodiment of this application.

[0026] Figure 3 This is an exploded schematic diagram of the transfer pipe, front end cover, and rotary motor housing in an embodiment of this application.

[0027] Figure 4 This is a cross-sectional view of the rotor shaft of the rotary motor in an embodiment of this application.

[0028] Figure 5 This is a cross-sectional view of the threaded adapter in an embodiment of this application.

[0029] Reference numerals: 11. Traveling motor stator; 12. Traveling motor shaft; 13. Traveling motor magnetic grating reading head; 14. Traveling motor assembly connector; 2. Adapter pipe; 21. Mounting hole one; 22. Mounting slot; 23. Threaded hole one; 24. Connecting screw one; 3. Rotary motor housing; 31. Rotary motor power line outlet; 32. Rotary motor feedback line outlet; 33. Front end cover; 34. Positioning ring; 35. Through hole one; 36. Threaded hole two; 37. Through hole two; 38. Connecting screw two 39. Notch; 4. Rear end cover; 41. Tail end cover; 42. Rotary motor encoder assembly; 43. Rotary motor shaft; 44. Rotary motor rotor connecting shaft; 45. Groove one; 46. Groove two; 47. Steel ball one; 48. Rotary motor rotor assembly; 49. Rotary motor stator assembly; 5. Threaded adapter; 51. Connecting post; 52. Connecting groove; 53. Insertion groove; 54. Annular groove one; 55. Annular groove two; 56. Steel ball two; 57. Mounting hole two; 58. Set screw. Detailed Implementation

[0030] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0031] This application discloses a combined motor capable of moving and rotating.

[0032] Reference Figure 1 and Figure 2A movable and rotatable combined motor includes an adapter tube 2. One end of the adapter tube 2 is fitted with a motor stator 11, and the motor stator 11 contains a motor shaft core 12 made of permanent magnet material. A motor magnetic grating reading head 13 is fixed inside the motor stator 11. A motor assembly connector 14 is fixed to the outer circumference of the motor stator 11 for the outlet of the motor's power and feedback lines. A mounting groove 22 is formed at the end of the adapter tube 2 near the motor stator 11, and the end of the motor stator 11 near the adapter tube 2 is inserted into the mounting groove 22. A mounting hole 21 is formed on the bottom surface of the adapter tube 2, and the mounting hole 21 communicates with the mounting groove 22. The outer circumferential surface of the stator 11 of the motor is provided with a threaded hole 23, and a connecting screw 24 is inserted into the mounting hole 21. The connecting screw 24 passes through the mounting hole 21 and is inserted into the threaded hole 23. The connecting screw 24 is threadedly connected to the inner wall of the threaded hole 23.

[0033] Reference Figure 2 and Figure 3 A rotary motor housing 3 is located at the end of the adapter pipe 2 furthest from the stator 11 of the travel motor. The top surface of the rotary motor housing 3 is fixed with a rotary motor power line outlet 31 and a rotary motor feedback line outlet 32. A front end cover 33 is provided between the rotary motor housing 3 and the adapter pipe 2. Positioning rings 34 are fixed to both ends of the front end cover 33. The two positioning rings 34 are respectively inserted into the adapter pipe 2 and the rotary motor housing 3. The two ends of the front end cover 33 are respectively attached to the opposite ends of the adapter pipe 2 and the rotary motor housing 3. Each side corner of the front cover 33 has a through hole 35. Each end corner of the rotary motor housing 3 near the adapter pipe 2 has a threaded hole 36. Each corner of the outer wall of the adapter pipe 2 has a notch 39. Each notch 39 near the inner wall of the front cover 33 has a through hole 37. A connecting screw 38 is inserted into the through hole 37. The connecting screw 38 passes through the through hole 35 and is inserted into the threaded hole 36. The connecting screw 38 is threadedly connected to the inner wall of the threaded hole 36.

[0034] Reference Figure 2 and Figure 3 The rotary motor housing 3 has a rear end cover 4 and a tail end cover 41 at the end away from the front end cover 33. The rear end cover 4 and the tail end cover 41 are fixedly connected to the rotary motor housing 3 by bolts. A rotary motor encoder assembly 42 is fixed on the rear end cover 4. A rotary motor shaft 43 is provided inside the rotary motor housing 3. The rotary motor shaft 43 passes through the rear end cover 4 and the tail end cover 41. The rotary motor encoder assembly 42 is coaxially connected to the rotary motor shaft 43.

[0035] Reference Figure 2 and Figure 4A rotary motor rotor shaft 44 is fitted onto the rotary motor shaft 43. The rotary motor rotor shaft 44 is located inside the rotary motor housing 3 and is rotatably connected to the rotary motor housing 3. Two grooves 45 are formed on the inner circumferential surface of the rotary motor rotor shaft 44, symmetrically arranged along the central axis of the rotary motor rotor shaft 44. A groove 46 is formed on the outer circumferential surface of the rotary motor shaft 43. Multiple steel balls 47 are arranged in the grooves 45 and inserted into the grooves 46. A rotary motor rotor assembly 48 is fitted and fixed on the outer circumferential surface of the rotary motor rotor shaft 44, and a rotary motor stator assembly 49 is fixed on the inner wall of the rotary motor housing 3.

[0036] Reference Figure 2 and Figure 5 A threaded adapter 5 is provided inside the stator 11 of the traveling motor. The threaded adapter 5 is located between the traveling motor shaft 12 and the rotary motor shaft 43, and can move axially along the stator 11. A connecting post 51 is fixed to the end of the threaded adapter 5 away from the rotary motor shaft 43. A connecting groove 52 is formed on the end face of the traveling motor shaft 12 near the threaded adapter 5, and the connecting post 51 is inserted into the connecting groove 52, with the connecting post 51 threadedly connected to the inner wall of the connecting groove 52. An insertion groove 53 is formed on the end face of the threaded adapter 5 away from the traveling motor shaft 12, and the end of the rotary motor shaft 43 near the traveling motor shaft 12 is inserted into the insertion groove 53. An annular groove 54 is formed on the inner wall of the insertion groove 53, and an annular groove 55 is formed on the outer circumferential surface of the rotary motor shaft 43. Multiple steel balls 56 are provided in the annular groove 54 and inserted into the annular groove 55. The outer circumferential surface of the threaded adapter 5 is provided with a mounting hole 57 for the steel ball 56 to pass through. The mounting hole 57 is connected to the annular groove 55. A set screw 58 is inserted into the mounting hole 57 and is threaded to the inner wall of the mounting hole 57.

[0037] The implementation principle of a movable and rotating combined motor according to an embodiment of this application is as follows: When the stator 11 of the movable motor and the stator assembly 49 of the rotating motor are energized, an alternating magnetic field is generated. The shaft core 12 of the movable motor is made of permanent magnet material, and the shaft core 12 of the movable motor begins to move linearly under the action of the alternating magnetic field. When the stator assembly 49 of the rotating motor is energized, it generates an alternating magnetic field, causing the rotor assembly 48 of the rotating motor to rotate. The rotor assembly 48 drives the rotor connecting shaft 44 of the rotating motor to rotate, and the rotor connecting shaft 44 drives the steel ball 47 to rotate, causing the steel ball 47 to drive the rotating motor shaft 43 to rotate. When the shaft core 12 of the movable motor moves along the axis of the stator 11 of the movable motor, the shaft core 12 of the movable motor drives the threaded adapter 5 to move, and the threaded adapter 5 drives the rotating motor shaft 43 to move, thereby converting the rotary output and linear output of the two motors into linear rotational motion of the rotating motor shaft 43.

[0038] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A movable and rotating combined motor, characterized in that: The system includes a transfer tube (2), one end of which is provided with a travel motor stator (11), and the other end of which is provided with a rotary motor housing (3). The transfer tube (2) is provided with a first connector fixedly connected to the travel motor stator (11), and the transfer tube (2) is provided with a second connector fixedly connected to the rotary motor housing (3). The travel motor stator (11) is provided with a travel motor shaft core (12) made of permanent magnet material. The rotary motor housing (3) is provided with a rotary motor shaft (43). The travel motor stator (11) is provided with a connecting assembly for connecting the travel motor shaft core (12) and the rotary motor shaft (43). The rotary motor housing (3) is provided with a driving assembly for driving the rotary motor shaft (43) to rotate.

2. The movable and rotatable combined motor according to claim 1, characterized in that: The adapter tube (2) has a mounting groove (22) at one end near the stator (11) of the motor. The stator (11) of the motor is inserted into the mounting groove (22) at one end near the adapter tube (2). The bottom surface of the adapter tube (2) has a mounting hole (21) that is connected to the mounting groove (22). The outer circumferential surface of the stator (11) of the motor has a threaded hole (23). The connector includes a connecting screw (24). The connecting screw (24) passes through the mounting hole (21) and is inserted into the threaded hole (23). The connecting screw (24) is threaded to the inner wall of the threaded hole (23).

3. A movable and rotatable combined motor according to claim 2, characterized in that: The second connector includes a front end cover (33), which is disposed between the adapter pipe (2) and the rotary motor housing (3). Positioning rings (34) are fixed to both ends of the front end cover (33). The two positioning rings (34) are respectively inserted into the adapter pipe (2) and the rotary motor housing (3). The two ends of the front end cover (33) are respectively fitted to the opposite ends of the adapter pipe (2) and the rotary motor housing (3). Through holes (35) are provided at the side corners of the front end cover (33). The rotating motor housing (3) has threaded holes (36) at the corners of the end face near the adapter pipe (2). The adapter pipe (2) has notches (39) at the corners of the outer wall. The notches (39) have through holes (37) near the inner wall of the front end cover (33). A connecting screw (38) is inserted into the through hole (37). The connecting screw (38) passes through the through hole (35) and is inserted into the threaded hole (36). The connecting screw (38) is threaded to the inner wall of the threaded hole (36).

4. A movable and rotatable combined motor according to claim 1, characterized in that: The drive assembly includes a rotary motor rotor connector (44) sleeved on the rotary motor shaft (43), the rotary motor rotor connector (44) being rotatably connected to the rotary motor housing (3), a rotary motor rotor assembly (48) being sleeved and fixed on the outer circumferential surface of the rotary motor rotor connector (44), a rotary motor stator assembly (49) being provided inside the rotary motor housing (3), and a connecting member three for connecting to the rotary motor shaft (43) being provided on the rotary motor rotor connector (44).

5. A movable and rotatable combined motor according to claim 4, characterized in that: The inner circumferential surface of the rotor shaft (44) of the rotary motor is provided with a groove 1 (45), the outer circumferential surface of the rotary motor shaft (43) is provided with a groove 2 (46), and the connecting member 3 includes a plurality of steel balls 1 (47) disposed in the groove 1 (45), and the steel balls 1 (47) are inserted into the groove 2 (46).

6. A movable and rotatable combined motor according to claim 1, characterized in that: The connecting assembly includes a threaded adapter (5) disposed within the stator (11) of the motor. The threaded adapter (5) is disposed between the motor shaft (12) and the rotary motor shaft (43). A connecting post (51) is fixed to one end of the threaded adapter (5) away from the rotary motor shaft (43). A connecting groove (52) is provided on the end face of the motor shaft (12) near the threaded adapter (5). The connecting post (51) is inserted into the connecting groove (52) and threadedly connected to the inner wall of the connecting groove (52). A insertion groove (53) is provided on the end face of the threaded adapter (5) away from the motor shaft (12). The end of the rotary motor shaft (43) near the motor shaft (12) is inserted into the insertion groove (53). A connecting piece four for connecting with the rotary motor shaft (43) is provided on the threaded adapter (5).

7. A movable and rotatable combined motor according to claim 6, characterized in that: The inner wall of the insertion slot (53) is provided with an annular groove 1 (54), and the outer circumferential surface of the rotary motor shaft (43) is provided with an annular groove 2 (55). The connector 4 includes a plurality of steel balls 2 (56) disposed in the annular groove 1 (54), and the steel balls 2 (56) are inserted into the annular groove 2 (55).

8. A movable and rotatable combined motor according to claim 7, characterized in that: The outer circumferential surface of the threaded adapter (5) is provided with a second mounting hole (57) for the steel ball (56) to pass through. The second mounting hole (57) is connected to the annular groove (54). A set screw (58) is inserted into the second mounting hole (57) and is threaded to the inner wall of the second mounting hole (57).

9. A movable and rotatable combined motor according to claim 1, characterized in that: The travel motor stator (11) is equipped with a travel motor magnetic grating reading head (13).

Images