Motor stator core press-fitting tool

Abstract

The utility model discloses a motor stator core press -fitting frock relates to motor stator core technical field, including base, the core clamping compartment is established at the top of base inner wall, the core clamping mechanism is fixedly installed at the core clamping compartment bottom, the core clamping mechanism includes the fixed ring of fixed mounting in the core clamping compartment inner wall bottom, the fixed ring bottom rotatable mounting has the clamping plate, the clamping plate side end bottom surface sliding installation has the swivel ring, the swivel ring inner wall is established to have the gear slot, four have the placement mechanism of fixed ring outer wall fixed mounting, the placement mechanism includes the support rod, the utility model discloses through the clamping angle of adjusting clamping plate and the extension length of gear bar, this frock can nimblely adapt to the motor stator core of different size specifications, need not for each size to customize special frock, has improved the versatility of frock, has reduced production cost, has shortened production cycle, has strengthened the nimble of production.

Description

Technical Field

[0001] This utility model relates to the field of motor stator core technology, specifically a motor stator core pressing tool. Background Technology

[0002] In the motor manufacturing industry, the stator core pressing process is undoubtedly a crucial step. The quality of this process directly affects the overall performance and reliability of the motor, and the quality of the pressing directly determines the service life and operational stability of the motor.

[0003] Traditional press-fitting fixtures are usually custom-made for motor stator cores of specific sizes or structures. While this design method can meet the press-fitting requirements of specific stator core models to a certain extent and ensure that they achieve the expected accuracy and stability during the press-fitting process, the lack of modular design or adjustable structure results in extremely poor versatility of these fixtures. Once the motor model changes, the existing fixtures cannot adapt to the new size requirements, and new fixtures must be redesigned and manufactured.

[0004] With the rapid development of the motor industry, motor models are becoming increasingly diversified. The stator cores of different motor models vary greatly in size. This diversified demand places higher requirements on press-fitting tooling. However, the existing press-fitting tooling is difficult to cope with these size changes. Whenever a different specification of motor stator core needs to be replaced, a special press-fitting tooling must be customized. This not only increases production costs but also extends the production cycle and reduces production flexibility. Utility Model Content

[0005] The purpose of this utility model is to provide a tooling for pressing motor stator cores to solve the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, this utility model provides a motor stator core pressing fixture, including a base, a core clamping chamber opened at the top of the inner wall of the base, a core clamping mechanism fixedly installed at the bottom of the core clamping chamber, the core clamping mechanism including a fixed ring fixedly installed at the bottom of the inner wall of the core clamping chamber, a clamping plate rotatably installed at the bottom of the fixed ring, a rotating ring slidably installed on the bottom surface of the side end of the clamping plate, and a toothed groove opened on the inner wall of the rotating ring;

[0007] Four placement mechanisms are fixedly installed on the outer wall of the fixed ring. Each placement mechanism includes a support rod. A bidirectional motor is fixedly installed on the inner wall of the end of the support rod. A driven gear and a drive gear are fixedly installed at the upper and lower ends of the bidirectional motor. The outer wall of the drive gear meshes with the inner wall of the tooth groove. A toothed rod is meshed with the outer wall of the driven gear. A slider is fixedly installed at the end of the toothed rod. The side wall of the slider is slidably connected to the side wall of the support rod.

[0008] Furthermore, the inner wall of the rotating ring is provided with a guide groove, and a rotating shaft is slidably installed on the inner wall of the guide groove. The top of the rotating shaft is fixedly connected to the bottom of the end of the clamping plate away from the sliding column.

[0009] A rubber pad is provided at the bottom of the hydraulic rod drive end, and the surface of the rubber pad is provided with an integrally formed anti-slip texture.

[0010] Furthermore, a sliding column is rotatably mounted at the end of the clamping plate, and the top of the sliding column is rotatably connected to the bottom of the fixing ring;

[0011] A hydraulic rod is fixedly installed on the top of the inner wall of the iron core clamping chamber, and the bottom of the hydraulic rod is on the same vertical line as the top of the iron core clamping mechanism.

[0012] Furthermore, a stator clamping compartment is provided at the bottom of the inner wall of the base, and a stator clamping mechanism is fixedly installed on the bottom surface of the inner wall of the stator clamping compartment. The internal structure of the stator clamping mechanism is the same as the internal structure of the iron core clamping mechanism.

[0013] Compared with the prior art, the beneficial effects of this utility model are: by adjusting the clamping angle of the clamping plate and the extension length of the rack, the tooling can flexibly adapt to motor stator cores of different sizes and specifications, without the need to customize special tooling for each specification, thereby improving the versatility of the tooling, reducing production costs, shortening the production cycle, and enhancing production flexibility.

[0014] Compared with the prior art, the beneficial effects of this utility model are: simply place the iron core on the four toothed bars in the iron core clamping chamber, and at the same time place the stator in the stator clamping mechanism in the stator clamping chamber, and start the bidirectional motor in the placement mechanism to realize the clamping of the iron core by the clamping plate and the retraction of the toothed bars. The whole operation process is simple and easy to understand, and improves production efficiency. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the overall external structure of this utility model.

[0016] Figure 2 This is a three-dimensional structural diagram of the iron core clamping mechanism of this utility model.

[0017] Figure 3 This is a three-dimensional structural diagram of the bottom surface of the iron core clamping mechanism of this utility model.

[0018] Figure 4 This utility model Figure 3 Enlarged view of point A in the middle.

[0019] Figure 5 This is a three-dimensional structural diagram of the internal structure of the iron core clamping mechanism of this utility model.

[0020] In the diagram: 1. Base; 2. Stator clamping mechanism; 3. Stator clamping chamber; 4. Core clamping chamber; 5. Hydraulic rod; 6. Core clamping mechanism; 601. Fixing ring; 602. Clamping plate; 603. Rotating ring; 604. Guide groove; 605. Rotating shaft; 606. Sliding column; 607. Gear groove; 7. Placement mechanism; 701. Support rod; 702. Driven gear; 703. Drive gear; 704. Gear rack; 705. Slider. Detailed Implementation

[0021] Please see Figure 1-5 This utility model relates to a motor stator core pressing fixture, including a base 1. A core clamping chamber 4 is formed on the top of the inner wall of the base 1. A core clamping mechanism 6 is fixedly installed at the bottom of the core clamping chamber 4. A fixing ring 601 in the core clamping mechanism 6 is fixedly installed at the bottom of the inner wall of the core clamping chamber 4. A clamping plate 602 is rotatably installed at the bottom of the fixing ring 601. A rotating ring 603 with a toothed groove 607 on its inner wall is slidably installed on the bottom surface of the side end of the clamping plate 602. Four placement mechanisms 7 are also fixedly installed on the outer wall of the fixing ring 601. Each placement mechanism 7 includes a support rod 701. A bidirectional motor is fixedly installed on the inner wall of the end of the support rod 701. Driven gear 702 and drive gear 703 are fixedly installed at the upper and lower ends of the bidirectional motor. The outer wall of the drive gear 703 meshes with the inner wall of the tooth groove 607. A rack 704 meshes with the outer wall of the driven gear 702. A slider 705, which is slidably connected to the side wall of the support rod 701, is fixedly installed at the end of the rack 704. Through the clamping plate 602 rotatably installed at the bottom of the fixed ring 601, when the bidirectional motor drives the drive gear 703 to rotate, the drive gear 703 drives the rotating ring 603 to rotate, causing the clamping plate 602 to rotate. 2. The angle can be adjusted by rotating around the pivot 605. Multiple clamping plates 602 move closer to each other, clamping the iron core from multiple directions, effectively ensuring the positional stability of the iron core during the pressing process and avoiding the impact of iron core shaking or displacement on the pressing quality. In the initial state, the four racks 704 in the placement mechanism 7 extend, providing a clear placement position for the iron core. Since the bidirectional motor can drive the drive gear 703 and the driven gear 702 to rotate, it controls the rotation of the rotating ring 603 and the extension and retraction of the racks 704. By adjusting the clamping plates 602... With its clamping angle and the extension length of the rack 704, this tooling can flexibly adapt to motor stator cores of different sizes and specifications, eliminating the need for custom-made tooling for each specification. This improves the tooling's versatility and reduces production costs. When the clamping plate 602 holds the core, the rack 704 is fully retracted and does not contact the core. This ensures that during the subsequent pressing of the core by the hydraulic rod 5, the rack 704 will not cause additional friction or collision to the core, thus avoiding interference from the rack 704 that could affect the pressing quality of the core and ensuring the stability and reliability of the motor stator core pressing.

[0022] See Figure 1-5A sliding column 606 is rotatably mounted on the end of the clamping plate 602, and the top of the sliding column 606 is rotatably connected to the bottom of the fixing ring 601. When the clamping plate 602 applies clamping force to the iron core, the presence of the sliding column 606 can disperse the clamping force borne by the clamping plate 602 and smoothly transmit it to the fixing ring 601. This effectively avoids deformation or damage to the connection between the clamping plate 602 and the fixing ring 601 due to excessive local stress, enhances the stability and durability of the entire clamping mechanism, and ensures that the tooling can work continuously and reliably during long-term use.

[0023] See Figure 1-5 The inner wall of the rotating ring 603 is provided with a guide groove 604, and a rotating shaft 605 is slidably installed on the inner wall of the guide groove 604. The top of the rotating shaft 605 is fixedly connected to the bottom of the end of the clamping plate 602 away from the sliding column 606. The guide groove 604 can accurately guide the rotating shaft 605 to move along a specific trajectory, thereby driving the clamping plate 602 to rotate smoothly and accurately around the sliding column 606 as the axis. Multiple clamping plates 602 approach each other and accurately clamp the iron core from multiple directions, effectively ensuring the stability of the iron core during the pressing process and avoiding shaking or displacement that affects the pressing quality. A hydraulic rod 5 is fixedly installed on the top of the inner wall of the iron core clamping chamber 4, and the bottom of the hydraulic rod 5 is on the same vertical line as the top of the iron core clamping mechanism 6. Because the clamping plate 602 precisely clamps the iron core, it ensures that when the hydraulic rod 5 is pressed down, it can accurately align with the clamped iron core and press the iron core precisely into the stator. The bottom of the inner wall of the base 1 is provided with a stator clamping chamber 3, and a stator clamping mechanism 2 is fixedly installed on the bottom surface of the inner wall of the stator clamping chamber 3. The internal structure of the stator clamping mechanism 2 is the same as the internal structure of the iron core clamping mechanism 6. This provides a guarantee for the precise clamping of the stator and further assists in the precise pressing of the iron core and the stator.

[0024] Working principle: The operator places the iron core on the four gears 704 inside the iron core clamping chamber 4, and simultaneously places the stator in the stator clamping mechanism 2 inside the stator clamping chamber 3. The internal structure of the stator clamping mechanism 2 is the same as that of the iron core clamping mechanism 6, which can stably clamp the stator and ensure that the stator position is fixed. The bidirectional motor in the placement mechanism 7 is started. The upper and lower ends of the bidirectional motor drive the driven gear 702 and the drive gear 703 to rotate respectively. The rotation of the drive gear 703 drives the rotating ring 603 to rotate. During the rotation of the ring 603, the guide groove 604 on its inner wall slides relative to the rotating shaft 605 fixed on the clamping plate 602, allowing the clamping plate 602 to rotate around the rotating shaft 605 as the axis to adjust the angle. Multiple clamping plates 602 move closer to each other, gradually clamping the iron core placed on the rack 704. While the driving gear 703 drives the ring 603 to rotate, the driven gear 702 also rotates synchronously. The driven gear 702 meshes with the rack 704, and the rotation of the driven gear 702... The moving gear 704 retracts along the side wall of the support rod 701 towards the edge of the fixed ring 601. When the clamping plate 602 fully clamps the iron core, the gear 704 also retracts completely. At this time, the gear 704 is no longer in contact with the iron core. After the iron core is clamped and stabilized, the hydraulic rod 5 fixedly installed on the top of the inner wall of the iron core clamping chamber 4 is activated. The bottom of the hydraulic rod 5 is on the same vertical line as the top of the iron core clamping mechanism 6. The drive end of the hydraulic rod 5 extends downward, and the rubber pad with anti-slip texture at its bottom contacts the iron core, accurately clamping it. A good iron core is subjected to downward pressure. Under the action of hydraulic rod 5, the iron core is gradually pressed into the stator, completing the pressing process of the motor stator iron core. After the iron core is pressed into the stator, hydraulic rod 5 is closed, causing its drive end to retract. At the same time, the bidirectional motor is controlled to rotate in the opposite direction, causing the drive gear 703 and the driven gear 702 to rotate in the opposite direction, which in turn drives the rotating ring 603 to rotate in the opposite direction. The clamping plate 602 releases the iron core, the rack 704 extends, and the operator takes out the pressed motor stator assembly, completing a complete pressing operation.

Claims

1. A tooling for pressing a motor stator core, characterized in that, The device includes a base (1), a core clamping chamber (4) is provided on the top of the inner wall of the base (1), a core clamping mechanism (6) is fixedly installed on the bottom of the core clamping chamber (4), the core clamping mechanism (6) includes a fixing ring (601) fixedly installed on the bottom of the inner wall of the core clamping chamber (4), a clamping plate (602) is rotatably installed on the bottom of the fixing ring (601), a rotating ring (603) is slidably installed on the bottom surface of the side end of the clamping plate (602), and a toothed groove (607) is provided on the inner wall of the rotating ring (603). Four placement mechanisms (7) are fixedly installed on the outer wall of the fixed ring (601). Each placement mechanism (7) includes a support rod (701). A bidirectional motor is fixedly installed on the inner wall of the end of the support rod (701). A driven gear (702) and a drive gear (703) are fixedly installed at the upper and lower ends of the bidirectional motor. The outer wall of the drive gear (703) meshes with the inner wall of the tooth groove (607). A rack (704) meshes with the outer wall of the driven gear (702). A slider (705) is fixedly installed at the end of the rack (704). The side wall of the slider (705) is slidably connected to the side wall of the support rod (701).

2. The motor stator core pressing fixture as described in claim 1, characterized in that: The end of the clamping plate (602) is rotatably mounted with a sliding column (606), and the top of the sliding column (606) is rotatably connected to the bottom of the fixing ring (601).

3. The motor stator core pressing fixture as described in claim 2, characterized in that: The inner wall of the rotating ring (603) is provided with a guide groove (604), and a rotating shaft (605) is slidably installed on the inner wall of the guide groove (604). The top of the rotating shaft (605) is fixedly connected to the bottom of the end of the clamping plate (602) away from the sliding column (606).

4. The motor stator core pressing fixture as described in claim 3, characterized in that: A hydraulic rod (5) is fixedly installed on the top of the inner wall of the iron core clamping chamber (4), and the bottom of the hydraulic rod (5) is on the same vertical line as the top of the iron core clamping mechanism (6).

5. The motor stator core pressing fixture as described in claim 4, characterized in that: The base (1) has a stator clamping compartment (3) at the bottom of its inner wall. A stator clamping mechanism (2) is fixedly installed on the bottom surface of the inner wall of the stator clamping compartment (3). The internal structure of the stator clamping mechanism (2) is the same as that of the core clamping mechanism (6).

6. The motor stator core pressing fixture as described in claim 5, characterized in that: The bottom of the driving end of the hydraulic rod (5) is provided with a rubber pad, and the surface of the rubber pad is provided with an integrally formed anti-slip texture.

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