CN222072959U

CN222072959U - A motor shaft press-fitting fixture

Info

Publication number: CN222072959U
Application number: CN202422549026.3U
Authority: CN
Inventors: 王文; 李同; 虞凯新
Original assignee: Mamba Drive Technology Suzhou Co ltd
Current assignee: Mamba Drive Technology Suzhou Co ltd
Priority date: 2024-10-22
Filing date: 2024-10-22
Publication date: 2024-11-26
Anticipated expiration: 2034-10-22

Abstract

The utility model discloses a motor shaft pressing fixture, which belongs to the technical field of motor shaft installation, and comprises a mold frame, wherein the mold frame comprises an upper mold plate and a lower mold plate which are arranged relatively one above and one below, the upper mold plate can be movably arranged above the lower mold plate, a cylinder connecting head is fixedly installed on the upper surface of the upper mold plate, a pressing upper mold is fixedly installed on the lower surface of the upper mold plate, a positioning lower mold is fixedly installed on the upper surface of the lower mold plate, the positioning lower mold is located directly below the pressing upper mold, and a fixing nut is rotatably installed on the bottom end of the positioning lower mold; by arranging the upper mold plate and the lower mold plate to cooperate with the pressing upper mold and the positioning lower mold as well as the fixing nut and the adjusting screw, the rotation of the fixing nut can drive the adjusting screw to move up and down, thereby adjusting the shaft length of the motor main shaft, the operation is convenient, and the use of shaft pressing of multiple lengths can be compatible, the production and management of tooling and fixtures of various sizes can be reduced, and the production and management costs can be reduced.

Description

Motor goes into axle pressure equipment tool

Technical Field

The utility model belongs to the technical field of motor shaft-in installation, and particularly relates to a motor shaft-in press-fitting jig.

Background

‌ ‌ Motor refers to an electromagnetic device that implements electric energy conversion or transfer according to ‌ law of electromagnetic induction. The ‌ motor can be divided into an electric motor, which is a device that converts electrical energy into mechanical energy, and a ‌ generator, which converts mechanical energy into electrical energy. Motors are widely used in a variety of devices and systems, including household appliances, industrial equipment, agricultural equipment, and vehicles. Motors are of various kinds and can be classified according to various modes such as a working power supply, a structure and a working principle, a starting and running mode or a rotor structure.

Chinese patent (publication No. CN 218733788U) discloses a press-in device for a miniature motor shaft, comprising a bottom plate, wherein a positioning die holder and a telescopic cylinder are mounted on the upper surface of the bottom plate, the telescopic end of the telescopic cylinder is connected with a sliding plate, a sliding chute is arranged on the surface of the sliding plate, a sliding frame is mounted on the upper surface of the bottom plate in a sliding manner, and a sliding block is mounted on the surface of the sliding frame; the front surface of the sliding frame is rotatably provided with a rotating frame, the bottom surface of the rotating frame is detachably provided with a locking head, and the rotating frame is internally provided with a bolt; the sliding plate can be pulled to move through the telescopic cylinder, so that the sliding frame can move up and down, and the motor shaft is pressed through the locking head, so that the sliding frame moves up and down more stably; after the locking and fixing of the bolt to the rotating frame and the sliding frame are released, the locking head can be rotated to the upward direction, so that the locking head can be conveniently detached and replaced, and the use is more flexible.

Chinese patent (publication No. CN 208971336U) relates to a pressing device for pressing a flat key into a motor shaft key in a motor shaft. The novel high-pressure oil pump comprises a shaft sleeve and a gland, wherein the gland is connected with the shaft sleeve through a guide screw, the gland is positioned above the shaft sleeve, the gland moves up and down relative to the guide screw, the screw is in threaded connection with the shaft sleeve, a reset spring is arranged between the gland and the shaft sleeve, a motor shaft groove for placing a motor shaft is arranged in the shaft sleeve, an opening is formed in the top surface of the motor shaft groove, and the opening extends upwards out of the upper surface of the shaft sleeve. The novel anti-scratch key has the advantages of preventing shaft extension and key scratch, ensuring the qualified key height at one time, rebound structure, high working efficiency and the like.

However, in the practical use process of the device, the problem of single use exists, the motor product on the same platform can generate different lengths according to different demands of customers at present, so that the length of the main shaft is changed along with the length of the main shaft, the requirement on the press-fit jig of the input shaft is generated, the accuracy of the press-fit dimension is ensured to be high, the device is compatible with various products with different dimensions, the conventional positioning jig is independently customized through the different press-fit dimensions, the requirement is met, the cost is increased, and the management of the jig is complex.

Disclosure of utility model

The utility model aims to provide a motor shaft-in press-fitting jig, which aims to solve the problems that the motor shaft-in press-fitting jig provided in the background art is single in use, and the jig is required to be independently customized according to different press-fitting size requirements, and the management of the jig is complex.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a motor income axle pressure equipment tool, includes the die carrier, the die carrier includes upper template and lower bolster that relatively laid from top to bottom, the upper template can be from top to bottom movable set up in the top of lower bolster, the last fixed surface of upper template installs the cylinder connector, the lower fixed surface of upper template installs the pressure equipment upper die, the last fixed surface of lower bolster installs the location lower mould, the location lower mould is located the pressure equipment upper die under, the bottom rotation of location lower mould installs fixation nut, fixation nut's inner wall screw thread installs adjusting screw, the top of adjusting screw extends to the inside of location lower mould, the last surface slidable mounting of lower bolster has the sliding plate, the side fixed mounting of sliding plate has the clamp ring, clamp ring and the coaxial heart of location lower mould are laid, slidable mounting has two slip posts on the clamp ring, two the slip post is laid relatively, two the equal fixed mounting chucking board of the relative one end of slip post.

By adopting the scheme, through setting up cope match-plate pattern, lower bolster cooperation pressure equipment cope match-plate pattern and location lower mould and fixation nut and adjusting screw use, fixation nut's rotation can drive adjusting screw up-and-down motion, and then the income axle size length of adjusting motor main shaft, the simple operation can be compatible into the axle pressure equipment of many size length and use, reduce the frock tool preparation and the management of various sizes, reduce preparation and management cost, through setting up the clamping plate use of sliding plate cooperation clamp ring and clamp ring, the clamp ring can cooperate the spring to carry out vertical compaction to motor stator core, the clamp plate can carry out centering chucking to motor main shaft, guarantee that the skew dislocation phenomenon can not appear to the motor main shaft in the pressure equipment process, and then guarantee good pressure equipment operation precision.

As a preferred implementation mode, the upper surface of the lower template is fixedly provided with a plurality of stand columns, the upper template is provided with a plurality of linear bearing sleeves in a clamping manner, and the linear bearing sleeves are sleeved on the outer surfaces of the stand columns at corresponding positions in a sliding manner.

By adopting the scheme, the linear bearing sleeve can be driven to slide on the surface of the upright post when the upper die plate moves up and down, and the upright post and the linear bearing sleeve are matched for use, so that the upper die plate can be ensured to have high stability in the up-and-down movement process, and further the longitudinal movement precision of the press-mounting upper die is ensured to be good.

As a preferred implementation mode, the top of the upright post is attached with a baffle plate, and a fixing screw is arranged between the baffle plate and the top of the upright post in a threaded manner.

By adopting the scheme, the straight line bearing sleeve breaks away from the stand when the setting of separation blade can prevent that the cope match-plate pattern from upwards sliding, and the separation blade plays an effective spacing effect, and the setting of set screw is convenient for install the separation blade, makes things convenient for follow-up dismouting to use.

As a preferred implementation mode, the upper surface of the lower template is fixedly provided with a plurality of fixed guide rods, the sliding plate is slidably arranged on the outer surfaces of the fixed guide rods, springs are sleeved outside the fixed guide rods, two ends of each spring are fixedly connected with the opposite surfaces of the sliding plate and the lower template respectively, and guide rod holes are formed in the positions, opposite to the fixed guide rods, of the upper template.

By adopting the scheme, the setting of the fixed guide rod can guide and support the up-and-down motion of the sliding plate, so that the motion stability is improved, the sliding plate is prevented from shaking in the motion process, the elastic force of the spring can act on the sliding plate and then act on the compression ring, and the compression ring is tightly pressed on the upper surface position of the motor stator core.

As a preferred implementation mode, the upper surface fixed mounting of sliding plate has the mounting panel, threaded mounting has the regulation lead screw on the mounting panel, the one end fixed mounting of regulation lead screw has the knob, the other end rotation of regulation lead screw is installed and is moved the board, the equal fixed mounting in both ends of moving the board has the slope strip shaped plate, the one end fixed mounting that the chucking board was kept away from to the sliding column has the cooperation cover, cooperation cover slidable mounting is at the surface of slope strip shaped plate.

By adopting the scheme, the knob is utilized to drive the adjusting screw rod to rotate, the movable plate is driven to horizontally move, and the inclined strip-shaped plate and the matching sleeve are utilized to be matched for use, so that the matching sleeves on two sides can relatively move, and the clamping plates on two sides are driven to relatively move through the sliding column, so that the centering of the motor main shaft is realized.

As a preferred implementation mode, a plurality of limit sliding rods are slidably arranged on the mounting plate, and one ends of the limit sliding rods are fixedly connected with the side face of the moving plate.

By adopting the scheme, the movable plate can drive the limiting slide bars to synchronously move when horizontally moving under the rotation action of the adjusting screw, the limiting slide bars play an effective limiting role, and good motion stability of the movable plate can be ensured.

As a preferred embodiment, a plurality of balls are rotatably mounted on the side surfaces of the clamping plates, and the balls on the two clamping plates are oppositely arranged.

By adopting the scheme, when the clamping plate moves to press the motor spindle to perform centering and clamping, and then the press-fitting upper die moves downwards, the arrangement of the balls can ensure the stable movement of the motor spindle, and hard contact friction loss is avoided between the motor spindle and the clamping plate.

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

According to the motor shaft-in press-fitting jig, the upper die plate and the lower die plate are matched with the press-fitting upper die, the positioning lower die, the fixing nut and the adjusting screw to use, the adjusting screw can be driven to move up and down by rotation of the fixing nut, the shaft-in dimension length of a motor main shaft is adjusted, the operation is convenient, the shaft-in press-fitting jig can be compatible with shaft-in press-fitting use of multiple dimension lengths, manufacturing and management of tool jigs of various dimensions are reduced, and manufacturing and management cost is reduced;

This motor goes into axle pressure equipment tool uses through setting up the clamping plate in sliding plate cooperation clamp ring and the clamp ring, and the clamp ring can cooperate the spring to carry out vertical compression to motor stator core, and the clamping plate can carry out centering chucking to the motor main shaft, guarantees that the skew dislocation phenomenon can not appear in the motor main shaft in the pressure equipment process, and then guarantees good pressure equipment precision.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of another angle of the present utility model;

FIG. 3 is a schematic view of the positioning lower die section and the structure of the fixing nut and the adjusting screw of the present utility model;

FIG. 4 is a schematic view of the structure of the sliding plate and fixed guide rod and spring of the present utility model;

Fig. 5 is a schematic view of the structure of the sliding plate and the clamp ring and the adjusting screw of the present utility model.

In the figure: 1. a mould frame; 2. an upper template; 3. a lower template; 4. a cylinder connector; 5. press fitting an upper die; 6. positioning a lower die; 7. a fixing nut; 8. an adjusting screw; 9. a sliding plate; 10. a clamp ring; 11. a sliding column; 12. a clamping plate; 13. a column; 14. a linear bearing sleeve; 15. a baffle; 16. a set screw; 17. fixing a guide rod; 18. a spring; 19. a mounting plate; 20. adjusting a screw rod; 21. a moving plate; 22. a sloping strip plate; 23. a matching sleeve; 24. a limit slide bar; 25. and (3) rolling balls.

Detailed Description

Referring to fig. 1-5, the utility model provides a press-fit fixture for a motor shaft, which comprises a die frame 1, wherein the die frame 1 comprises an upper die plate 2 and a lower die plate 3 which are oppositely arranged up and down, the upper die plate 2 can be movably arranged above the lower die plate 3 up and down, a cylinder connector 4 is fixedly arranged on the upper surface of the upper die plate 2, a press-fit upper die 5 is fixedly arranged on the lower surface of the upper die plate 2, a positioning lower die 6 is fixedly arranged on the upper surface of the lower die plate 3, the positioning lower die 6 is positioned under the press-fit upper die 5, a fixing nut 7 is rotatably arranged at the bottom end of the positioning lower die 6, an adjusting screw 8 is arranged on the inner wall of the fixing nut 7 in a threaded manner, the top end of the adjusting screw 8 extends into the positioning lower die 6, a sliding plate 9 is slidably arranged on the upper surface of the lower die plate 3, a clamping ring 10 is fixedly arranged on the side surface of the sliding plate 9, two sliding columns 11 are fixedly arranged on the same shaft center of the clamping ring 10, and clamping plates 12 are fixedly arranged at opposite ends of the two sliding columns 11.

Through setting up cope match-plate pattern 2, lower bolster 3 cooperation pressure equipment cope match-plate pattern 5 and location lower mould 6 and fixation nut 7 and adjusting screw 8 use, the rotation of fixation nut 7 can drive adjusting screw 8 up-and-down motion, and then the income axle size length of adjusting motor main shaft, the simple operation, can compatible income axle pressure equipment of many size length uses, reduce the frock tool preparation and the management of all kinds of length, reduce preparation and management cost, through setting up slide plate 9 cooperation clamp ring 10 and clamp plate 12 use in the clamp ring 10, clamp ring 10 can cooperate spring 18 to carry out vertical compression to motor stator core, clamp plate 12 can carry out centering chucking to the motor main shaft, guarantee that the skew dislocation phenomenon can not appear in the pressure equipment in-process motor main shaft, and then guarantee good pressure equipment operation precision.

The upper surface fixed mounting of lower bolster 3 has a plurality of stand 13, and the joint is installed a plurality of linear bearing cover 14 on the cope match-plate pattern 2, and linear bearing cover 14 slip cap establishes the surface of stand 13 in corresponding position department, and the cope match-plate pattern 2 can drive linear bearing cover 14 and slide on stand 13 surface when the up-and-down motion, utilizes stand 13 and linear bearing cover 14 cooperation to use, can guarantee that cope match-plate pattern 2 has high stability in the up-and-down motion process, and then guarantees that the longitudinal movement precision of pressure equipment cope match-plate pattern 5 is good.

The separation blade 15 has been laid in the laminating of the top of stand 13, and screw thread installation has set screw 16 between separation blade 15 and the stand 13 top, and the setting of separation blade 15 can prevent that linear bearing sleeve 14 from breaking away from stand 13 when cope match-plate pattern 2 upwards slides, and separation blade 15 plays an effective spacing effect, and set up of set screw 16 is convenient for install separation blade 15, makes things convenient for follow-up dismouting to use.

The upper surface of lower bolster 3 is fixed with a plurality of fixed guide arm 17, sliding plate 9 slidable mounting is at the surface of a plurality of fixed guide arm 17, the outside cover of fixed guide arm 17 is equipped with spring 18, the both ends of spring 18 respectively with the relative face fixed connection of sliding plate 9 and lower bolster 3, the guide arm hole has been seted up to the position department of just fixing guide arm 17 on the cope match-plate pattern 2, the setting of fixed guide arm 17 can lead the vertical motion of sliding plate 9 and just support, promote motion stationarity, prevent that sliding plate 9 from appearing rocking in the up-and-down motion process, the elasticity of spring 18 can be used on sliding plate 9, and then be used on clamp ring 10 for clamp ring 10 tightly is held in motor stator core upper surface position department.

The upper surface fixed mounting of sliding plate 9 has mounting panel 19, install adjusting screw 20 on the mounting panel 19, adjusting screw 20's one end fixed mounting has the knob, adjusting screw 20's the other end rotates and installs movable plate 21, the equal fixed mounting in both ends of movable plate 21 has slope strip shaped plate 22, the one end fixed mounting that chucking board 12 was kept away from to sliding column 11 has cooperation cover 23, cooperation cover 23 slidable mounting is at the surface of slope strip shaped plate 22, utilize the knob to order about adjusting screw 20 to rotate, and then order about movable plate 21 horizontal movement, and utilize slope strip shaped plate 22 and cooperation cover 23 cooperation to use, make the cooperation cover 23 of both sides can carry out relative motion, and then order about chucking board 12 of both sides to carry out relative motion through sliding column 11, realize the centering of motor main shaft.

A plurality of limit slide bars 24 are slidably mounted on the mounting plate 19, one end of each limit slide bar 24 is fixedly connected with the side face of the corresponding movable plate 21, the movable plate 21 can drive the corresponding limit slide bars 24 to synchronously move under the rotation action of the adjusting screw 20, the limit slide bars 24 have an effective limit effect, and good motion stability of the movable plate 21 can be guaranteed.

The side of chucking plate 12 rotates and installs a plurality of ball 25, and the ball 25 on two chucking plates 12 lays relatively, and when chucking plate 12 motion is to the centering of motor main shaft chucking after pressure equipment upper die 5 down motion carries out pressure equipment, the steady motion of motor main shaft can be guaranteed in the setting of ball 25, avoids producing hard contact friction loss between motor main shaft and the chucking plate 12.

When the clamping device is used, the cylinder connector 4 is connected with a power source cylinder, the sliding plate 9 is pulled upwards, the sliding plate 9 drives the compression ring 10 to move upwards, the spring 18 stretches and deforms, the motor stator iron core is placed in the positioning lower die 6, the motor spindle passes through the motor stator iron core, at the moment, the bottom end of the motor spindle is contacted with the top end of the adjusting screw 8, the bottom end of the motor spindle passes through the length of the motor stator iron core to be pressed into the shaft length, the fixing nut 7 is required to rotate according to the pressed size length, the adjusting screw 8 is driven to move up and down when the fixing nut 7 rotates, the motor spindle is driven to move up and down, the fixing nut 7 is stopped to rotate after the fixed nut 7 is regulated to the required size length of the shaft, the sliding plate 9 is loosened, the elasticity of the spring 18 drives the sliding plate 9 to drive the compression ring 10 to move downwards, the compression ring 10 is enabled to be compressed on the upper surface of the motor stator iron core, then the knob is rotated to drive the adjusting screw 20 to rotate, the moving plate 21 is driven to drive the inclined strip plate 22 to move horizontally, the sliding column 11 is driven to move the clamping plate 12 by the matched sleeve 23 through the matched use of the inclined strip 22, the clamping plate 12 is driven to move relatively to move, the clamping plate 12 on two sides, and then the clamping plate 2 moves up and down to clamp the motor spindle by the power source 2 to move down, and the positioning lower die 6 is driven to move down.

Claims

1. The utility model provides a motor goes into axle pressure equipment tool which characterized in that: including die carrier (1), die carrier (1) are including upper template (2) and lower bolster (3) that relatively laid from top to bottom, upper template (2) can be from top to bottom movable set up in the top of lower bolster (3), the last fixed surface of upper template (2) installs cylinder connector (4), the lower fixed surface of upper template (2) installs mould (5) in the pressure, the last fixed surface of lower bolster (3) installs location lower mould (6), location lower mould (6) are located under mould (5) in the pressure, fixation nut (7) are installed in the bottom rotation of location lower mould (6), adjustment screw (8) are installed to the inner wall screw thread of fixation nut (7), the top of adjustment screw (8) extends to the inside of location lower mould (6), the last surface sliding mounting of lower bolster (3) has slip sheet (9), the side fixed mounting of slip sheet (9) has clamp ring (10), two slip rings (10) are laid to two relative slip columns (11) are laid to coaxial slip sheet (6), two slip columns (11) are laid relatively.

2. The motor shaft-in press-fitting jig according to claim 1, wherein: the upper surface of lower bolster (3) is fixed mounting has a plurality of stand (13), joint installs a plurality of linear bearing cover (14) on cope match-plate pattern (2), the surface of stand (13) in corresponding position is established to linear bearing cover (14) slip cap.

3. The motor shaft-in press-fitting jig according to claim 2, wherein: the top of the upright post (13) is attached and provided with a baffle (15), and a fixing screw (16) is arranged between the baffle (15) and the top of the upright post (13) in a threaded manner.

4. The motor shaft-in press-fitting jig according to claim 1, wherein: the upper surface fixed mounting of lower bolster (3) has a plurality of fixed guide arm (17), sliding plate (9) slidable mounting is at the surface of a plurality of fixed guide arm (17), the outside cover of fixed guide arm (17) is equipped with spring (18), the both ends of spring (18) respectively with the relative face fixed connection of sliding plate (9) and lower bolster (3), the guide arm hole has been seted up to the position department of fixed guide arm (17) on cope match-plate pattern (2).

5. The motor shaft-in press-fitting jig according to claim 1, wherein: the upper surface fixed mounting of sliding plate (9) has mounting panel (19), screw thread installs on mounting panel (19) and adjusts lead screw (20), the one end fixed mounting who adjusts lead screw (20) has the knob, the other end rotation of adjusting lead screw (20) is installed movable plate (21), the equal fixed mounting in both ends of movable plate (21) has slope strip shaped plate (22), the one end fixed mounting that chucking board (12) was kept away from to sliding column (11) has cooperation cover (23), cooperation cover (23) slidable mounting is at the surface of slope strip shaped plate (22).

6. The motor shaft-in press-fitting jig according to claim 5, wherein: a plurality of limit sliding rods (24) are slidably arranged on the mounting plate (19), and one ends of the limit sliding rods (24) are fixedly connected with the side faces of the moving plate (21).

7. The motor shaft-in press-fitting jig according to claim 1, wherein a plurality of balls (25) are rotatably mounted on the side surfaces of the clamping plates (12), and the balls (25) on the two clamping plates (12) are oppositely arranged.