Motor rotor mica ring pressing device

Abstract

The utility model discloses a motor rotor mica ring pressing device which comprises a base, a plurality of partition plates are fixedly arranged on the inner side of the base, the interior of the base is divided into a plurality of working cavities by the partition plates, and lead screws are rotationally arranged in the middles of the inner sides of the working cavities. One of the lead screws is driven by the servo motor to rotate clockwise, then the multiple lead screws are driven to rotate synchronously, every two adjacent sleeves move oppositely, the multiple clamping bases move oppositely in pairs, and therefore the multiple motor rotor bodies are limited and clamped; and then the plurality of pressing blocks are driven to move downwards synchronously, so that the plurality of mica ring pressing rings extrude and tension the mica ring downwards, a plurality of motor commutators are fastened, mica ring pressing operation can be carried out on a plurality of motor rotors at the same time, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of motor rotor mica ring pressing, in particular to a motor rotor mica ring pressing device. Background Art

[0002] In industrial production, DC motors are widely used. During operation, the rotor mica ring of the DC motor often becomes loose, causing the motor commutator to arc and burn. Therefore, the DC motor rotor mica ring needs to be compressed.

[0003] The existing Chinese Patent Network discloses a DC motor rotor mica ring pressing device with patent number CN201721338106.8, which includes: a square lower base, the right angle of the lower base is connected to an inwardly inclined support rod, the top of the support rod is connected to a circular upper base, the center of the upper base is provided with an axial through hole for allowing the DC motor rotor to extend, and the upper base is provided with three connecting ears at equal distances along the circumferential direction, and the connecting ears are provided with through holes; a pull rod connected to the connecting ears is rotatably connected, the top of the pull rod is fixedly connected to the limit rod, the bottom end of the pull rod is provided with a through hole, and the pin shaft passes through the through hole on the connecting ear and the through hole at the bottom of the pull rod in turn, and then a clamping ring is put on; a movable circular baffle at the bottom of the limit rod, and the center of the baffle is provided with an axial through hole for allowing the DC motor rotor to extend. The utility model has a simple structure, is easy to use, can efficiently press the mica ring, and at the same time avoids the impact of noise on the environment.

[0004] The DC motor rotor mica ring clamping device proposed in the above document has a low degree of automation, and needs to limit the motor rotor manually, and can only clamp one DC motor rotor mica ring at a time, resulting in low work efficiency. Utility Model Content

[0005] The utility model aims to provide a motor rotor mica ring pressing device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a motor rotor mica ring clamping device, comprising a base, a plurality of partitions are fixedly arranged on the inner side of the base, the interior of the base is divided into a plurality of working chambers by the plurality of partitions, a screw is rotatably arranged in the middle of the inner side of a plurality of the working chambers, sleeves are threadedly arranged on both sides of the surfaces of a plurality of the screws, a moving rod is fixedly arranged on the top of a plurality of the sleeves, a clamping seat is extended to the outside and fixedly connected to the top of a plurality of the moving rods, a plurality of motor rotor bodies are arranged in the middle of the top of the base, a motor shaft is arranged in the middle of the plurality of the motor rotor bodies, a protective cover is fixedly arranged on the outer side of the top of the base, a sealing cover is hinged on the top of the protective cover, a cylinder is fixedly installed on both sides of the top of the sealing cover, a connecting strip is fixedly arranged at the bottom between the two cylinders, a plurality of support rods are fixedly arranged at the bottom of the connecting strip, and a pressing block is fixedly arranged at the bottom between the two support rods on the same side.

[0007] A servo motor drives one of the lead screws to rotate clockwise, thereby driving several lead screws to rotate synchronously, so that every two adjacent sleeves move toward each other, and several clamping seats move toward each other in pairs, so as to limit and clamp several motor rotor bodies, and two cylinders push the connecting strips to move downward, thereby driving several pressure blocks to move downward synchronously, so that several mica ring pressure rings squeeze and tighten the mica rings downward, thereby tightening several motor commutators, and realizing the mica ring clamping operation on multiple motor rotors at the same time, thereby improving work efficiency.

[0008] Preferably, through holes are provided in the middle of several of the pressing blocks and at the connection points between the base and several motor rotor bodies. Several of the through holes are respectively arranged corresponding to several motor shafts. The arrangement of several through holes on the base facilitates the limiting of several motor rotor bodies.

[0009] Preferably, a motor commutator is provided at the top of several of the motor rotor bodies, a tensioning mica ring is provided at the top of several of the motor commutators, a mica ring pressure ring is provided at the top of several of the tensioning mica rings, and several of the pressure blocks are respectively arranged corresponding to several of the mica ring pressure rings. The arrangement of several pressure blocks facilitates the simultaneous downward squeezing of the mica ring pressure rings.

[0010] Preferably, a rotating seat is rotatably provided in the middle part of several of the partitions, and the two ends of several of the rotating seats are respectively fixedly connected to several screw rods. A servo motor is fixedly installed on one side of the base, and the output end of the servo motor extends to the inside of the base and is fixedly connected to one end of one of the screw rods. One of the screw rods is driven to rotate by the servo motor, thereby driving several screw rods to rotate synchronously.

[0011] Preferably, the threads on both sides of the screw rod surface are in opposite directions, so that the movement directions of the corresponding two sleeves are opposite.

[0012] Preferably, sliding grooves are provided at the connection points between the base and the plurality of movable rods, and the plurality of sliding grooves are respectively slidably connected to the plurality of movable rods. The provision of the plurality of sliding grooves facilitates the stable movement of the plurality of movable rods.

[0013] Preferably, a handle is fixedly provided at the middle of the top end of the sealing cover, and an observation window is fixedly provided at the front of the protective cover, so that the situation inside the protective cover can be easily observed through the arrangement of the observation window.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] A servo motor drives one of the lead screws to rotate clockwise, thereby driving several lead screws to rotate synchronously, so that every two adjacent sleeves move toward each other, and several clamping seats move toward each other in pairs, so as to limit and clamp several motor rotor bodies, and two cylinders push the connecting strips to move downward, thereby driving several pressure blocks to move downward synchronously, so that several mica ring pressure rings squeeze and tighten the mica rings downward, thereby tightening several motor commutators, and realizing the mica ring clamping operation on multiple motor rotors at the same time, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a front cross-sectional view of the utility model;

[0018] Figure 3 It is an enlarged view of part A of the utility model;

[0019] Figure 4 It is an enlarged view of part B of the utility model.

[0020] In the figure: 1. base; 2. partition; 3. working chamber; 4. screw; 5. motor rotor body; 6. servo motor; 7. protective cover; 8. sealing cover; 9. cylinder; 10. handle; 11. connecting strip; 12. observation window; 13. rotating seat; 14. sleeve; 15. moving rod; 16. clamping seat; 17. slide groove; 18. support rod; 19. pressure block; 20. through hole; 21. motor commutator; 22. tensioning mica ring; 23. mica ring pressure ring; 24. motor shaft. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0022] See also Figure 1-4 The utility model provides a motor rotor mica ring pressing device, including a base 1, a plurality of partitions 2 are fixedly arranged on the inner side of the base 1, the interior of the base 1 is divided into a plurality of working chambers 3 by the plurality of partitions 2, a plurality of screw rods 4 are rotatably arranged in the middle of the inner sides of the plurality of working chambers 3, a plurality of sleeves 14 are threadedly arranged on both sides of the surfaces of the plurality of screw rods 4, a plurality of moving rods 15 are fixedly arranged on the top ends of the plurality of sleeves 14, a plurality of moving rods 15 are extended to the outside and fixedly connected with a clamping seat 16, a plurality of motor rotor bodies 5 are arranged in the middle of the top end of the base 1, a motor shaft 24 is arranged in the middle end of the plurality of motor rotor bodies 5, a protective cover 7 is fixedly arranged on the outer side of the top end of the base 1, a sealing cover 8 is hingedly arranged on the top end of the protective cover 7, a cylinder 9 is fixedly installed on both sides of the top end of the sealing cover 8, and two gas cylinders 9 are fixedly installed on the top ends of the two gas cylinders 9. A connecting strip 11 is fixedly provided at the bottom between the cylinders 9, and a plurality of support rods 18 are fixedly provided at the bottom end of the connecting strip 11. A pressure block 19 is fixedly provided at the bottom between the two support rods 18 on the same side. The servo motor 6 drives one of the screw rods 4 to rotate clockwise, thereby driving a plurality of screw rods 4 to rotate synchronously, so that each two adjacent sleeves 14 move toward each other, and a plurality of clamping seats 16 move toward each other in pairs, thereby limiting and clamping a plurality of motor rotor bodies 5. The connecting strip 11 is pushed downward by the two cylinders 9, thereby driving a plurality of pressure blocks 19 to move downward synchronously, so that a plurality of mica ring pressure rings 23 squeeze and tension the mica ring 22 downward, thereby tightening a plurality of motor commutators 21, and realizing the mica ring pressing operation on a plurality of motor rotors at the same time, thereby improving work efficiency.

[0023] Through holes 20 are provided in the middle of several pressing blocks 19 and at the connection between the base 1 and several motor rotor bodies 5. Several through holes 20 are respectively arranged corresponding to several motor shafts 24. Motor commutators 21 are arranged at the tops of several motor rotor bodies 5. Tensioning mica rings 22 are arranged at the tops of several motor commutators 21. Mica ring pressure rings 23 are arranged at the tops of several tensioning mica rings 22. Several pressing blocks 19 are respectively arranged corresponding to several mica ring pressure rings 23. Rotating seats 13 are rotatably provided in the middle of several partitions 2. Both ends of several rotating seats 13 are respectively fixedly connected to several screw rods 4. A servo motor 6 is fixedly installed on one side of the base 1. The output end of the servo motor 6 extends to the inside of the base 1 and is fixedly connected to one end of one of the screw rods 4.

[0024] When in use, the plurality of through holes 20 on the base 1 are provided to facilitate the positioning of the plurality of motor rotor bodies 5, and the plurality of pressing blocks 19 are provided to facilitate the simultaneous downward pressing of the mica ring pressing ring 23, and the servo motor 6 drives one of the screw rods 4 to rotate, thereby driving the plurality of screw rods 4 to rotate synchronously;

[0025] The threads on both sides of the screw rod 4 are in opposite directions. The connection between the base 1 and the plurality of moving rods 15 is provided with a slide groove 17. The plurality of slide grooves 17 are respectively slidably connected with the plurality of moving rods 15. A handle 10 is fixedly provided at the middle of the top of the sealing cover 8. An observation window 12 is fixedly provided on the front of the protective cover 7.

[0026] When in use, the arrangement of the plurality of slide grooves 17 facilitates the stable movement of the plurality of moving rods 15 , and the arrangement of the observation window 12 facilitates observation of the situation inside the protective cover 7 .

[0027] When the embodiment of the present application is in use: the motor shafts 24 on the several motor rotor bodies 5 are respectively inserted into the several through holes 20 on the base 1, and then the sealing cover 8 is covered, and one of the screw rods 4 is driven to rotate clockwise by the servo motor 6, thereby driving the several screw rods 4 to rotate synchronously, so that each two adjacent sleeves 14 move toward each other, and the several clamping seats 16 move toward each other in pairs, so as to limit and clamp the several motor rotor bodies 5, and push the connecting strip 11 to move downward by two cylinders 9, thereby driving the several pressure blocks 19 to move downward synchronously, so that the several mica ring pressure rings 23 squeeze and tension the mica ring 22 downward, thereby tightening the several motor commutators 21, and it is possible to realize the mica ring clamping operation on multiple motor rotors at the same time, thereby improving work efficiency.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A motor rotor mica ring pressing device, comprising a base (1), characterized in that: A plurality of partitions (2) are fixedly arranged on the inner side of the base (1), and the interior of the base (1) is divided into a plurality of working chambers (3) by the plurality of partitions (2). A screw rod (4) is rotatably arranged in the middle of the inner side of a plurality of the working chambers (3), sleeves (14) are threadedly arranged on both sides of the surface of a plurality of the screw rods (4), and moving rods (15) are fixedly arranged at the top ends of a plurality of the sleeves (14), and the top ends of a plurality of the moving rods (15) are extended to the outside and fixedly connected to a clamping seat (16), and a plurality of motors are arranged in the middle of the top end of the base (1). A rotor body (5), a motor shaft (24) is arranged in the middle of a plurality of the motor rotor bodies (5), a protective cover (7) is fixedly arranged on the outer side of the top of the base (1), a sealing cover (8) is hingedly connected to the top of the protective cover (7), a cylinder (9) is fixedly installed on both sides of the top of the sealing cover (8), a connecting strip (11) is fixedly arranged at the bottom between two of the cylinders (9), a plurality of support rods (18) are fixedly arranged at the bottom of the connecting strip (11), and a pressure block (19) is fixedly arranged at the bottom between two of the support rods (18) on the same side.

2. The motor rotor mica ring pressing device according to claim 1, characterized in that: Through holes (20) are provided in the middle of the plurality of pressing blocks (19) and at the connection points between the base (1) and the plurality of motor rotor bodies (5), and the plurality of through holes (20) are respectively arranged corresponding to the plurality of motor shafts (24).

3. The motor rotor mica ring pressing device according to claim 1, characterized in that: The top ends of several motor rotor bodies (5) are provided with motor commutators (21), the top ends of several motor commutators (21) are provided with tensioning mica rings (22), the top ends of several tensioning mica rings (22) are provided with mica ring pressure rings (23), and several pressure blocks (19) are respectively provided corresponding to several mica ring pressure rings (23).

4. The motor rotor mica ring pressing device according to claim 1, characterized in that: A rotating seat (13) is rotatably provided in the middle of a plurality of the partitions (2), and the two ends of the plurality of the rotating seats (13) are respectively fixedly connected to a plurality of screw rods (4). A servo motor (6) is fixedly installed on one side of the base (1), and the output end of the servo motor (6) extends to the inside of the base (1) and is fixedly connected to one end of one of the screw rods (4).

5. The motor rotor mica ring pressing device according to claim 1, characterized in that: The threads on both sides of the surface of the screw rod (4) are arranged in opposite directions.

6. The motor rotor mica ring pressing device according to claim 1, characterized in that: The connection points between the base (1) and the plurality of moving rods (15) are all provided with sliding grooves (17), and the plurality of sliding grooves (17) are respectively slidably connected to the plurality of moving rods (15).

7. The motor rotor mica ring pressing device according to claim 1, characterized in that: A handle (10) is fixedly provided at the middle of the top end of the sealing cover (8), and an observation window (12) is fixedly provided at the front of the protective cover (7).

Images