CN210389073U - Jig for motor rotor production - Google Patents

Abstract

The utility model discloses a jig for producing a motor rotor, which comprises a bottom plate, a fixed frame is fixedly connected with the top of the bottom plate, a hydraulic cylinder is arranged at the top of the fixed frame, a lifting frame is fixedly connected with the bottom end of an output shaft of the hydraulic cylinder, a mounting rod is fixedly connected with the center of the bottom of the lifting frame, an external thread is carved on the rod body of the mounting rod, the mounting rod is connected with a screwed pipe through the external thread and a thread, a positioning frame is fixedly connected with the bottom of the screwed pipe, a rotor is arranged in the positioning frame, a fixed platform is arranged below the rotor, a through hole is arranged at the center of the fixed platform, a fixed rod is fixedly connected with the bottom of the fixed platform, the two sides of the top of the fixed platform are both fixedly connected with a support, a through hole is arranged on the support, a movable rod is inserted in the through hole, one end of the, a bearing is arranged between the clamping frames.

Description

Jig for motor rotor production

Technical Field

The utility model relates to a motor production technical field specifically is a tool is used in electric motor rotor production.

Background

The motor consists of a rotor and a stator, is a conversion device for realizing electric energy and mechanical energy and electric energy, and the rotor of the motor is a rotating part in the motor and is divided into a motor rotor and a generator rotor. The rotor is typically used in conjunction with a bearing and the rotor needs to be pressed into the bearing during the manufacturing process in order to complete the assembly. However, the existing equipment is not firm enough when the rotor is pressed in and assembled, so that the rotor and the bearing are easy to shake due to the action of external force in the pressing process, the butting precision is deviated, the assembly quality is affected, and improvement is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's rotor equipment of impressing fixed not jail, poor stability, and the assembly precision is low, produces the defect of deviation easily, provides a tool is used in electric motor rotor production. The jig for producing the motor rotor has the characteristics of convenience in operation, firmness in fixation, good stability, high assembly precision and the like.

In order to achieve the above object, the utility model provides a following technical scheme: a jig for producing a motor rotor comprises a base plate, wherein a fixed frame is fixedly connected to the top of the base plate, a hydraulic cylinder is installed at the top of the fixed frame, a lifting frame is fixedly connected to the bottom end of an output shaft of the hydraulic cylinder, an installation rod is fixedly connected to the center of the bottom of the lifting frame, an external thread is carved on the rod body of the installation rod, the installation rod is connected with a threaded pipe through the external thread and a thread, a positioning frame is fixedly connected to the bottom of the threaded pipe, a rotor is arranged in the positioning frame, a fixed table is arranged below the rotor, a through hole is formed in the center of the fixed table, a fixed rod is fixedly connected to the bottom of the through hole, brackets are fixedly connected to two sides of the top of the fixed table, a through hole is formed in each bracket, a movable rod is inserted, and the rod body of the movable rod is wound with a second spring, two ends of the second spring are respectively and fixedly connected with the side walls of the support and the clamping frames, and a bearing is arranged between the clamping frames.

Preferably, the top fixedly connected with spacing pipe of support, the lifter has been inserted in the spacing pipe, the top fixed connection of lifter is in the bottom of crane, and the equal fixedly connected with slider in its bottom both sides, the spout has all been seted up to the both sides pipe wall of spacing pipe, the slider passes the spout and extends to outside the spacing pipe.

Preferably, a plurality of screw hole has been seted up to the lateral wall of locating rack, screw hole female connection has the threaded rod, the one end of threaded rod is provided with the locating plate, the locating plate is close to the equal fixedly connected with first spring in lateral wall both sides on one side of the threaded rod, the other end fixed connection of first spring is at the inner wall of locating rack.

Preferably, the threaded holes, the threaded rods and the positioning plates are at least three, the threaded pipes are annularly distributed by taking the threaded pipes as centers, the positioning plates are arc-shaped, a layer of rubber gasket is arranged on the surface of the side wall of the positioning plates, close to one side of the rotor, and herringbone anti-skidding lines are carved on the surfaces of the rubber gaskets.

Preferably, the side walls of the two sides of the lifting frame are fixedly connected with wheel frames, guide wheels are installed on the wheel frames, a circle of wheel teeth are uniformly distributed on the surface of the wheel wall of each guide wheel, and a plurality of rack teeth meshed with the wheel teeth of each guide wheel are uniformly distributed on the surfaces of the inner walls of the two sides of the fixing frame.

Preferably, a plurality of hemispherical rubber blocks are uniformly distributed on the surface of the inner wall of the clamping frame.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the operation is convenient, the time and the labor are saved, and the working efficiency is high;

2. the fixing is firm, the stability is high, the rotor and the bearing can be effectively positioned and fixed, so that shaking caused by external force during assembly is avoided, meanwhile, the fact that the rotor can be accurately butted when the bearing is pressed in is also ensured, the assembly precision is improved, and the quality of finished products is guaranteed.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the positioning frame.

Reference numbers in the figures: the device comprises a base plate 1, a fixed frame 2, a hydraulic cylinder 3, a lifting frame 4, a mounting rod 5, a threaded pipe 6, a positioning frame 7, a rotor 8, a fixed table 9, a fixed rod 10, a bracket 11, a movable rod 12, a pull ring 13, a clamping frame 14, a second spring 15, a limiting pipe 16, a lifting rod 17, a sliding block 18, a sliding chute 19, a threaded hole 20, a threaded rod 21, a positioning plate 22, a first spring 23, a wheel frame 24, a guide wheel 25 and a bearing 26.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a jig for producing a motor rotor comprises a bottom plate 1, wherein a fixed frame 2 is fixedly connected to the top of the bottom plate 1, a hydraulic cylinder 3 is installed at the top of the fixed frame 2, the hydraulic cylinder 3 is externally connected with a power supply through a wire, a lifting frame 4 is fixedly connected to the bottom end of an output shaft of the hydraulic cylinder 3, wheel frames 24 are fixedly connected to the side walls of the two sides of the lifting frame 4, guide wheels 25 are installed on the wheel frames 24, a circle of gear teeth are uniformly distributed on the surface of the wheel wall of each guide wheel 25, a plurality of bar teeth meshed with the gear teeth of the guide wheels 25 are uniformly distributed on the surface of the inner walls of the two sides of the fixed frame 2, the stability of the lifting frame 4 can be improved by utilizing the meshing effect between the bar teeth and the gear teeth, the lifting frame 4 is prevented from shaking and inclining during up-and-down movement, an installation, the rotor 8 is arranged in the positioning frame 7, the side wall of the positioning frame 7 is provided with a plurality of threaded holes 20, threaded rods 21 are connected with the threaded holes 20 in a threaded manner, one end of each threaded rod 21 is provided with a positioning plate 22, both sides of the side wall of the positioning plate 22 close to one side of the threaded rod 21 are fixedly connected with first springs 23, the other end of each first spring 23 is fixedly connected with the inner wall of the positioning frame 7, at least three threaded holes 20, threaded rods 21 and positioning plates 22 are annularly distributed by taking the threaded pipe 6 as the center, each positioning plate 22 is arc-shaped and can be attached to the side wall of the rotor 8, the surface of the side wall of the side close to the rotor 8 is provided with a layer of rubber gasket, herringbone anti-skid lines are carved on the surface of the rubber gasket, the friction force between the positioning plate 22 and the rotor 8, a fixed platform 9 is arranged below the rotor 8, a through hole is arranged at the center of the fixed platform 9, a fixed rod 10 is fixedly connected at the bottom of the fixed platform 9, a bracket 11 is fixedly connected at both sides of the top of the fixed platform 9, a limit pipe 16 is fixedly connected at the top of the bracket 11, a lifting rod 17 is inserted in the limit pipe 16, the top end of the lifting rod 17 is fixedly connected at the bottom of the lifting frame 4, a sliding block 18 is fixedly connected at both sides of the bottom end of the lifting rod 17, sliding grooves 19 are respectively arranged at both side pipe walls of the limit pipe 16, the sliding block 18 passes through the sliding grooves 19 and extends out of the limit pipe 16, the limit pipe 16 and the lifting rod 17 can play a limiting role so as to ensure that the rotor 8 does not deviate from a correct position when in butt joint, a through hole is arranged on the bracket 11, a movable rod 12 is inserted in the through hole, a pull ring 13 is fixedly connected at one end, the both ends of second spring 15 are fixed connection respectively at the lateral wall of support 11 and holding frame 14, are provided with bearing 26 between the holding frame 14, and the inner wall surface evenly distributed of holding frame 14 has a plurality of hemisphere block rubber, and the block rubber has elasticity, can take place elastic deformation when receiving the extrusion to avoid producing wearing and tearing because of direct contact between holding frame 14 and the bearing 26.

The working principle is as follows: when the utility model is used, firstly, the bearing 26 is placed above the fixed platform 9, the clamping frame 14 can tightly abut against the side wall of the bearing 26 under the elastic action of the second spring 15, thereby clamping and fixing the bearing, so as to avoid the displacement and shaking caused by the external force, then the threaded pipe 6 is in threaded connection with the positioning frame 7 on the mounting rod 5, so as to fix the positioning frame 7 at the bottom of the lifting frame 4, then the rotor 8 to be assembled is placed in the positioning frame 7, and the threaded rod 21 is screwed along the threaded hole 20, the tail end of the threaded rod 21 can drive the positioning plate 22 to move together along with the screwing in of the threaded rod 21, until the positioning plate 22 tightly abuts against the side wall of the rotor 8, thereby the rotor 8 can be positioned and fixed through the positioning plate 22, so as to ensure that the rotor 8 can not shake caused by the stress during the assembly, then the hydraulic cylinder 3 is driven by the external power supply to drive the lifting frame 4 to move downwards, when the lifting frame 4 moves downwards, the rotor 8 is driven to move downwards together until the rotor 8 is pressed into the bearing 26, so that the assembly work between the rotor 8 and the bearing 26 is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a tool is used in electric motor rotor production, includes bottom plate (1), its characterized in that: the top of the bottom plate (1) is fixedly connected with a fixing frame (2), the top of the fixing frame (2) is provided with a hydraulic cylinder (3), the bottom end of an output shaft of the hydraulic cylinder (3) is fixedly connected with a lifting frame (4), the bottom center of the lifting frame (4) is fixedly connected with a mounting rod (5), the rod body of the mounting rod (5) is carved with an external thread, the mounting rod (5) is connected with a threaded pipe (6) through an external thread, the bottom of the threaded pipe (6) is fixedly connected with a positioning frame (7), a rotor (8) is arranged in the positioning frame (7), a fixing table (9) is arranged below the rotor (8), the center of the fixing table (9) is provided with a through hole, the bottom of the fixing table is fixedly connected with a fixing rod (10), the two sides of the top of the fixing table (9) are both fixedly connected with a support, the movable rod (12) is inserted into the through hole, one end of the movable rod (12) is fixedly connected with a pull ring (13), the other end of the movable rod is fixedly connected with a clamping frame (14), a second spring (15) is wound on the rod body of the movable rod (12), two ends of the second spring (15) are fixedly connected to the side walls of the support (11) and the clamping frame (14) respectively, and a bearing (26) is arranged between the clamping frames (14).

2. The jig for producing the motor rotor according to claim 1, wherein: the top fixedly connected with spacing pipe (16) of support (11), lifter (17) have been inserted in spacing pipe (16), the top fixed connection of lifter (17) is in the bottom of crane (4), and the equal fixedly connected with slider (18) in its bottom both sides, spout (19) have all been seted up to the both sides pipe wall of spacing pipe (16), slider (18) pass spout (19) and extend to outside spacing pipe (16).

3. The jig for producing the motor rotor according to claim 1, wherein: a plurality of screw hole (20) have been seted up to the lateral wall of locating rack (7), screw hole (20) female connection has threaded rod (21), the one end of threaded rod (21) is provided with locating plate (22), locating plate (22) are close to the equal fixedly connected with first spring (23) in lateral wall both sides of threaded rod (21) one side, the other end fixed connection of first spring (23) is at the inner wall of locating rack (7).

4. The jig for producing the motor rotor according to claim 3, characterized in that: the threaded holes (20), the threaded rods (21) and the positioning plates (22) are at least three and are annularly distributed by taking the threaded pipes (6) as centers, the positioning plates (22) are arc-shaped, a layer of rubber gasket is arranged on the surface of the side wall of one side, close to the rotor (8), of the positioning plates, and herringbone anti-skidding lines are carved on the surfaces of the rubber gaskets.

5. The jig for producing the motor rotor according to claim 1, wherein: the lifting frame is characterized in that wheel frames (24) are fixedly connected to the side walls of the two sides of the lifting frame (4), guide wheels (25) are installed on the wheel frames (24), a circle of wheel teeth are uniformly distributed on the surface of the wheel wall of each guide wheel (25), and a plurality of strip teeth meshed with the wheel teeth of each guide wheel (25) are uniformly distributed on the surfaces of the inner walls of the two sides of the fixing frame (2).

6. The jig for producing the motor rotor according to claim 1, wherein: and a plurality of hemispherical rubber blocks are uniformly distributed on the surface of the inner wall of the clamping frame (14).

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