Press-fit tool for assembling automobile generator rotor

Abstract

The utility model discloses a press-fit tool for assembling an automobile generator rotor, which comprises a bottom plate, a plurality of supporting plates are arranged on the surface of the top of the bottom plate and are distributed on the surface of the top of the bottom plate in a matrix manner, a placing plate is arranged on the surface of the top of the supporting plate, and a pressing plate is arranged on the surface of the top of the placing plate. A fixing plate is arranged at the position, located on one side of the supporting plate, of the bottom surface of the containing plate, a two-way lead screw is rotationally arranged between the supporting plate and the fixing plate, the two-way lead screw is in threaded connection with a threaded sleeve, and a rectangular hole is formed in the position, located above the two-way lead screw, of the top surface of the containing plate; an arc-shaped clamping block is arranged at the position, above the rectangular hole, of the surface of the top of the containing plate, the surface of the top of the threaded sleeve penetrates through the rectangular hole through a fixing block to be fixedly connected with the surface of the bottom of the arc-shaped clamping block, and a mounting box is arranged in the middle of the surface of the bottom of the containing plate. And the applicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, and more specifically, to a press-fitting tool for assembling an automotive generator rotor. Background Art

[0002] A motor consists of a stator, a rotor, and other accessories. During the assembly process of the rotor, it is necessary to press-fit the shaft center into the shaft center. The press-fitting of the motor rotor is an important step in the production and assembly process of the motor. The traditional press-fitting method is to manually place the components to be press-fitted of the motor rotor on the operating table of the hydraulic press and adjust the positioning, and then use the pressure part of the hydraulic press to penetrate the rotating shaft of the rotor through the various components of the motor rotor. At present, the assembly of motor rotors is completed manually. Manual assembly has problems such as low efficiency, knocking during assembly, and difficult guarantee of assembly quality.

[0003] In the existing publicly disclosed technology, the publication number CN210867449U discloses a motor stator-rotor assembly rack, including a workbench. A first positioning block is provided on the workbench. A horizontally arranged first limiting groove that cooperates with the motor rotor is provided on the first positioning block. The workbench is provided with a second positioning block at one end of the first positioning block. A second limiting groove that cooperates with the first limiting groove is provided on the second positioning block. A cavity is provided between the first positioning block and the second positioning block. A rotor positioning disc is provided in the cavity. A plurality of stator positioning grooves are provided on the stator positioning turntable. The workbench is provided with a horizontally arranged first telescopic cylinder at one end away from the second positioning block. A push block that moves along the first limiting groove is provided at the telescopic end of the first telescopic cylinder. The utility model has the characteristics of simple operation, saves a large amount of manpower and material resources, improves work efficiency at the same time, does not require manual hammering, and effectively guarantees the assembly quality.

[0004] Although the above patent is relatively simple to operate, there are still some deficiencies in its use process. First of all, this patent cannot clamp and fix magnetic steels of different sizes, and its applicability is not strong enough. No effective solution has been proposed for the problems in the related technology. Summary of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] In view of the deficiencies of the prior art, the utility model provides a press-fitting tool for assembling an automotive generator rotor, which has the advantages of being able to clamp and fix magnetic steels of different sizes and having stronger applicability, thereby solving the problems in the above background art.

[0007] (2) Technical Solutions

[0008] To achieve the above advantages, the specific technical solutions adopted by the utility model are as follows:

[0009] Press-fitting tool for assembling the rotor of an automotive generator, including a bottom plate. On the top surface of the bottom plate, there is a support plate. There are multiple support plates, and the multiple support plates are arranged in a matrix on the top surface of the bottom plate. On the top surface of the support plate, there is a placement plate. On the bottom surface of the placement plate, on one side of the support plate, there is a fixed plate. Between the support plate and the fixed plate, a bidirectional lead screw is rotatably arranged. A threaded sleeve is threadedly connected to the bidirectional lead screw. On the top surface of the placement plate, above the bidirectional lead screw, there is a rectangular hole. On the top surface of the placement plate, above the rectangular hole, there is an arc-shaped clamping block. The top surface of the threaded sleeve passes through the rectangular hole through a fixed block and is fixedly connected to the bottom surface of the arc-shaped clamping block. In the middle position of the bottom surface of the placement plate, there is an installation box. Between the inner bottom surface of the installation box and the bottom surface of the placement plate, there is a rotating shaft. On the rotating shaft, there is a first helical gear. One end of the bidirectional lead screw penetrates the side wall of the installation box and is provided with a second helical gear. The first helical gear meshes with the second helical gear.

[0010] Further, on the top surface of the bottom plate, there are support columns. There are multiple support columns, and the multiple support columns are arranged in a matrix on the top surface of the bottom plate. On the top surface of the support column, there is a mounting plate. On the top surface of the mounting plate, there is a cylinder. Inside the cylinder, there is a push rod. The end of the push rod penetrates the bottom surface of the mounting plate and is provided with a pressing plate. On the push rod, above the pressing plate, there is a fixed installation cylinder. On the support column, on one side of the installation cylinder, there is a sliding block. The sliding block and the installation cylinder are fixedly connected by a fixed rod.

[0011] Further, on the top surface of the mounting plate, on one side of the cylinder, there is a battery box. Inside the battery box, there is a lithium battery.

[0012] Further, between the support plate and the fixed plate, below the bidirectional lead screw, there is a sliding rod. The sliding rod penetrates the side wall of the threaded sleeve and is slidably connected to the threaded sleeve.

[0013] Further, on the side wall of the arc-shaped clamping block, there is a rubber soft pad.

[0014] Further, one end of the rotating shaft penetrates the bottom surface of the installation box and is provided with a motor. On the bottom surface of the installation box, outside the motor, there is a protective shell.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the present utility model provides a press-fitting tool for assembling the rotor of an automotive generator, having the following beneficial effects:

[0017] The utility model adopts the structures of a first helical gear, a second helical gear, a bidirectional lead screw, a threaded sleeve and an arc-shaped clamping block. When it is necessary to clamp and fix a permanent magnet, the motor is started to drive the rotation of the rotating shaft, and then the first helical gear is driven to rotate. The rotation of the first helical gear drives the rotation of the second helical gear, and then the bidirectional lead screw is driven to rotate. The rotation of the bidirectional lead screw drives the movement of the threaded sleeve, and then the arc-shaped clamping block is driven to move. The arc-shaped clamping block can clamp and fix the permanent magnet placed in the middle position of the placement plate, so that the device can clamp permanent magnets of different sizes and then install the rotor, improving the applicability of the device. By adopting the structure of the arc-shaped clamping block, the arc-shaped surface of the arc-shaped clamping block can better fit the surface of the permanent magnet, improving the stability of the device for clamping the permanent magnet. By adopting the structures of the mounting cylinder, the slider and the fixing rod, when the push rod is pressed down to install the rotor, the stability of the push rod can be improved to ensure the installation quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0019] Figure 1 is the overall structural schematic diagram of the press-fitting tool for assembling the rotor of an automotive generator proposed by the present utility model;

[0020] Figure 2 is the cross-sectional view of the press-fitting tool for assembling the rotor of an automotive generator proposed by the present utility model;

[0021] Figure 3 is the structural schematic diagram of the first helical gear and the second helical gear proposed by the present utility model;

[0022] Figure 4 is the structural schematic diagram of the support plate and the bidirectional lead screw proposed by the present utility model;

[0023] Figure 5 is the top view of the placement plate proposed by the present utility model.

[0024] In the figure:

[0025] 1, base plate; 2, support plate; 3, placement plate; 4, fixed column; 5, rubber soft pad; 6, slider; 7, mounting plate; 8, battery box; 9, cylinder; 10, mounting cylinder; 11, fixed rod; 12, rectangular hole; 13, arc-shaped clamping block; 14, bidirectional lead screw; 15, threaded sleeve; 16, fixed plate; 17, motor; 18, mounting box; 19, sliding rod; 20, lithium battery; 21, first helical gear; 22, rotating shaft; 23, second helical gear. Detailed implementation manners

[0026] To further illustrate each embodiment, the present utility model provides accompanying drawings. These drawings are part of the disclosure of the present utility model, mainly used to illustrate the embodiments, and can cooperate with the relevant descriptions in the specification to explain the operating principle of the embodiments. With reference to these contents, those of ordinary skill in the art should be able to understand other possible implementation manners and the advantages of the present utility model. The components in the drawings are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0027] According to an embodiment of the present utility model, a press-fitting tool for assembling an automotive generator rotor is provided.

[0028] Now, the present utility model will be further described in conjunction with the accompanying drawings and specific implementation manners. As Figures 1-5 shown, the press-fitting tool for assembling an automotive generator rotor according to an embodiment of the present utility model includes a bottom plate 1. A support plate 2 is provided on the top surface of the bottom plate 1. There are multiple support plates 2, and the multiple support plates 2 are distributed in a matrix on the top surface of the bottom plate 1. A placement plate 3 is provided on the top surface of the support plate 2. An fixing plate 16 is provided on the bottom surface of the placement plate 3 on one side of the support plate 2. A bidirectional lead screw 14 is rotatably provided between the support plate 2 and the fixing plate 16. A threaded sleeve 15 is threadedly connected to the bidirectional lead screw 14. A rectangular hole 12 is provided on the top surface of the placement plate 3 above the bidirectional lead screw 14. An arc-shaped clamping block 13 is provided on the top surface of the placement plate 3 above the rectangular hole 12. The top surface of the threaded sleeve 15 passes through the rectangular hole 12 through a fixing block and is fixedly connected to the bottom surface of the arc-shaped clamping block 13. An installation box 18 is provided at the middle position of the bottom surface of the placement plate 3. A rotating shaft 22 is provided between the inner bottom surface of the installation box 18 and the bottom surface of the placement plate 3. A first bevel gear 21 is provided on the rotating shaft 22. One end of the bidirectional lead screw 14 passes through the side wall of the installation box 18 and is provided with a second bevel gear 23. The first bevel gear 21 meshes with the second bevel gear 23. The functions of the first bevel gear 21 and the second bevel gear 23 are as follows: by starting the motor 17 to rotate, the rotating shaft 22 is driven to rotate, and then the first bevel gear 21 is driven to rotate. By the rotation of the first bevel gear 21, the second bevel gear 23 is driven to rotate, and then the bidirectional lead screw 14 is driven to rotate. By the rotation of the bidirectional lead screw 14, the threaded sleeve 15 is driven to move, and then the arc-shaped clamping block 13 is driven to move. By the movement of the arc-shaped clamping block 13, the magnet placed at the middle position of the placement plate 3 can be clamped and fixed, so that the device can clamp magnets of different sizes and then perform rotor installation, improving the applicability of the device.

[0029] In one embodiment, support columns 4 are provided on the top surface of the bottom plate 1. There are multiple support columns 4, and the multiple support columns 4 are arranged in a matrix on the top surface of the bottom plate 1. An installation plate 7 is provided on the top surface of the support columns 4. A cylinder 9 is provided on the top surface of the installation plate 7. A push rod is provided inside the cylinder 9. The end of the push rod penetrates through the bottom surface of the installation plate 7 and is provided with a pressing plate 24. An installation cylinder 10 is fixedly provided on the push rod above the pressing plate 24. A slider 6 is slidably provided on the support column 4 on one side of the installation cylinder 10. The slider 6 and the installation cylinder 10 are fixedly connected by a fixing rod 11. The function of the fixing rod 11 is that when the push rod presses down to install the rotor, through the limiting effect of the fixing rod on the push rod, the stability of the pressing plate 24 can be improved, and the installation quality can be guaranteed.

[0030] In one embodiment, a battery box 8 is provided on the top surface of the installation plate 7 on one side of the cylinder 9. A lithium battery 20 is provided inside the battery box 8. The function of the lithium battery 20 is to provide electrical energy for the operation of the motor 17 and the cylinder 9.

[0031] In one embodiment, a slide rod 19 is provided between the support plate 2 and the fixing plate 16 below the bidirectional lead screw 14. The slide rod 19 penetrates through the side wall of the threaded sleeve 15 and is slidably connected with the threaded sleeve 15. The function of the slide rod 19 is to play a certain limiting role in the movement of the threaded sleeve 15.

[0032] In one embodiment, a rubber soft pad 5 is provided on the side wall of the arc-shaped clamping block 13. The function of the rubber soft pad 5 is to prevent the arc-shaped clamping block 13 from causing clamping marks on the surface of the magnet.

[0033] In one embodiment, a motor 17 is provided at one end of the rotating shaft 22 penetrating through the bottom surface of the installation box 18. A protective shell is provided on the bottom surface of the installation box 18 outside the motor 17. The function of the motor 17 is to drive the rotation of the rotating shaft 22 to drive the rotation of the first helical gear 21 and the second helical gear 23, thereby controlling the arc-shaped clamping block 13 to clamp the magnet.

[0034] Working principle: When in use, first place the magnet that needs to install the rotor at the middle position on the surface of the placement plate 3. When it is necessary to clamp and fix the magnet, start the motor 17 to rotate, drive the rotating shaft 22 to rotate, and then drive the first helical gear 21 to rotate. Drive the second helical gear 23 to rotate through the rotation of the first helical gear 21, and then drive the bidirectional lead screw 14 to rotate. Drive the threaded sleeve 15 to move through the rotation of the bidirectional lead screw 14, and then drive the arc-shaped clamping block 13 to move. The magnet placed at the middle position of the placement plate 3 can be clamped and fixed through the movement of the arc-shaped clamping block 13, so that the device can clamp magnets of different sizes and then install the rotor, improving the applicability of the device. By adopting the structure of the arc-shaped clamping block 13, the arc-shaped surface of the arc-shaped clamping block 13 can better fit the surface of the magnet, improving the stability of the device for clamping the magnet. By adopting the structure of the installation cylinder 10, the slider 6 and the fixed rod 11, when the push rod is pressed down to install the rotor, the stability of the push rod can be improved to ensure the installation quality.

[0035] In the present invention, unless otherwise clearly defined and limited, terms such as "installation", "setting", "connection", "fixation", "rotary connection" and the like shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. It can be the internal communication of two components or the interaction relationship between two components. Unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0036] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A press-fitting tool for assembling a rotor of an automobile generator, comprising a base plate (1), characterized in that: The top surface of the bottom plate (1) is provided with a support plate (2), the support plate (2) is provided with a plurality of support plates (2) and the plurality of support plates (2) are distributed in a matrix on the top surface of the bottom plate (1), the top surface of the support plate (2) is provided with a placement plate (3), the bottom surface of the placement plate (3) is provided with a fixing plate (16) located on one side of the support plate (2), a bidirectional screw rod (14) is rotatably arranged between the support plate (2) and the fixing plate (16), a threaded sleeve (15) is threadedly connected to the bidirectional screw rod (14), a rectangular hole (12) is provided on the top surface of the placement plate (3) above the bidirectional screw rod (14), and the top of the placement plate (3) is provided with a plurality of support plates (2) and a plurality of support plates (2) arranged on the top surface of the placement plate (3). An arc-shaped clamping block (13) is arranged on the surface of the upper part of the rectangular hole (12); the top surface of the threaded sleeve (15) is fixedly connected to the bottom surface of the arc-shaped clamping block (13) through a fixing block passing through the rectangular hole (12); a mounting box (18) is arranged in the middle of the bottom surface of the placement plate (3); a rotating shaft (22) is arranged between the inner bottom surface of the mounting box (18) and the bottom surface of the placement plate (3); a first bevel tooth (21) is arranged on the rotating shaft (22); one end of the bidirectional screw rod (14) passes through the side wall of the mounting box (18) and is provided with a second bevel tooth (23); the first bevel tooth (21) is meshed with the second bevel tooth (23).

2. The press-fit tool for assembling a rotor of an automobile generator according to claim 1, characterized in that: The top surface of the base plate (1) is provided with a support column (4), and the support column (4) is provided with a plurality of support columns (4) and the plurality of support columns (4) are arranged in a matrix on the top surface of the base plate (1). The top surface of the support column (4) is provided with a mounting plate (7), and the top surface of the mounting plate (7) is provided with a cylinder (9). A push rod is arranged inside the cylinder (9), and a pressure plate (24) is arranged at the end of the push rod passing through the bottom surface of the mounting plate (7). A mounting tube (10) is fixedly arranged on the push rod above the pressure plate (24), and a slider (6) is slidably arranged on one side of the mounting tube (10) on the support column (4), and the slider (6) is fixedly connected to the mounting tube (10) via a fixing rod (11).

3. The press-fit tool for assembling the automobile generator rotor according to claim 2, characterized in that: A battery box (8) is provided on the top surface of the mounting plate (7) located on one side of the cylinder (9), and a lithium battery (20) is provided in the battery box (8).

4. The press-fit tool for assembling a rotor of an automobile generator according to claim 1, characterized in that: A sliding rod (19) is provided between the support plate (2) and the fixing plate (16) and below the bidirectional screw rod (14). The sliding rod (19) penetrates the side wall of the threaded sleeve (15) and is slidably connected to the threaded sleeve (15).

5. The press-fit tool for assembling a rotor of an automobile generator according to claim 1, characterized in that: The side wall of the arc-shaped clamping block (13) is provided with a rubber cushion (5).

6. The press-fit tool for assembling a rotor of an automobile generator according to claim 1, characterized in that: One end of the rotating shaft (22) passes through the bottom surface of the installation box (18) and is provided with a motor (17); the bottom surface of the installation box (18) is provided with a protective shell outside the motor (17).

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