Motor press fitting self-concentric structure

Abstract

The utility model discloses a motor press fitting self-concentric structure which comprises a clamping base, a top plate arranged at the top of the clamping base, a sliding rod arranged at the bottom of the top plate, a buffer spring wrapped on the outer side of the sliding rod, an assembling base arranged above the clamping base, and a sliding rail arranged at the horizontal position of the top of the assembling base. A sliding piece is arranged in the middle of the sliding rail, the sliding rail is vertically arranged at the bottom of the sliding piece, a limiting block is arranged on the side face of the sliding rail, a sliding groove is formed in the outer side of the sliding rail, and an adjusting groove is formed in the outer side of the limiting block. The height and the position of the assembling base can be flexibly adjusted according to actual needs through the design of the limiting block and the adjusting groove, the assembling base is suitable for press-fitting workpieces of different specifications or sizes, the universality of equipment is improved, the workpieces can be conveniently moved and adjusted by operators through the design of the sliding rails and the sliding pieces, the burden of manual operation is relieved, and the working efficiency is improved. And the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field related to motor press-fitting, and particularly relates to a self-concentric structure for motor press-fitting. Background Technique

[0002] Motor press-fitting is a key process in the motor manufacturing process, mainly referring to assembling different components of the motor together by press-fitting. This process usually involves applying pressure to components such as the rotor, stator, and bearings to firmly bond them together.

[0003] However, in the existing motor press-fitting process, multiple processes of part press-fitting are involved. Generally, interference fit is designed. During the press-fitting process, if the parts are not concentric, the pressed parts will be damaged, affecting the motor noise and service life. Content of the Utility Model

[0004] The purpose of the utility model is to provide a self-concentric structure for motor press-fitting to solve the problem that in the existing motor press-fitting process, multiple processes of part press-fitting are involved, generally interference fit is designed, and if the parts are not concentric during the press-fitting process, the pressed parts will be damaged, affecting the motor noise and service life as mentioned in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a self-concentric structure for motor press-fitting, including a clamping base;

[0006] At the top position of the clamping base, a top plate is provided. At the left and right positions of the top plate, reinforcing plates are provided. At the bottom position of the reinforcing plates, sliding rods are provided. A buffer spring is wrapped around the outer side of the sliding rods. At the top position of the sliding rods, limit blocks are provided.

[0007] Above the clamping base, an assembly base is provided. Above the assembly base, a press-fitting workpiece is provided. At the top position of the assembly base, an upper cover is provided.

[0008] Preferably, at the horizontal position at the top of the assembly base, a slide rail is provided. At the middle position of the slide rail, a sliding member is provided. At the bottom position of the sliding member, a slide rail is vertically provided. At the side position of the slide rail, a limit block is provided.

[0009] Preferably, at the outer side position of the slide rail, a chute is provided. The chute is slidably connected to the slide rail. At the outer side position of the limit block, an adjustment groove is provided.

[0010] Preferably, pins are provided inside the assembly base. At the top position of the assembly base, positioning grooves corresponding to the pins are provided. There are two respectively on the upper and lower sides of the assembly base. Fixing bolts are arranged in an array at the side position of the assembly base.

[0011] Preferably, a positioning member is provided at the middle position of the bottom of the top plate. A centering column is provided at the middle position inside the positioning member. A centering hole is formed at the middle position inside the press-fitting workpiece. The centering hole corresponds to the centering column. A rubber ring is provided at the bottom position of the centering column.

[0012] Preferably, positioning holes are formed in an array on the outside of the upper cover. Positioning blocks are provided in an array at the bottom of the positioning member. The positioning blocks correspond to the positioning holes.

[0013] Preferably, a clamping groove is provided at the middle position inside the clamping base. A bottom plate is provided at the bottom position of the assembly base. The bottom plate is nested with the clamping groove.

[0014] Compared with the prior art, the utility model provides a motor press-fitting self-concentric structure, which has the following beneficial effects:

[0015] 1. Through the settings of the assembly base, slide rail, sliding member, limit block, chute, adjustment groove, pin and positioning groove, the structural design of the clamping base and the assembly base ensures the stability of the workpiece during the press-fitting process, and can effectively prevent the workpiece from shifting or tilting during the press-fitting process. The combined design of the positioning groove and the pin can achieve precise positioning of the workpiece, ensuring that the press-fitting workpiece maintains the correct position throughout the process, reducing the assembly error. The design of the limit block and the adjustment groove enables the assembly base to be flexibly adjusted in height and position according to actual needs, adapting to press-fitting workpieces of different specifications or sizes, improving the versatility of the equipment. The design of the slide rail and the sliding member enables the operator to conveniently move and adjust the workpiece, reducing the burden of manual operation and improving the work efficiency. Through the design of the slide bar and the buffer spring, the impact force generated during the press-fitting process can be effectively absorbed, preventing damage to the workpiece and protecting the integrity of the precision components. The limit block and the protection device in the design can prevent accidents during the press-fitting process, enhancing the safety of the operation and reducing the risk of accidents. The structural design of the assembly base makes the disassembly and maintenance of each component relatively simple, facilitating regular inspection and maintenance, ensuring the long-term stable operation of the equipment, reducing the complex operations during the press-fitting process, improving the production efficiency, and shortening the production cycle.

[0016] 2. Through the settings of the positioning member, centering column, centering hole, rubber ring, positioning hole and positioning block, the matching design of the centering column and centering hole ensures that the press-fitted workpiece can be accurately centered during the assembly process. This precise centering can effectively prevent the workpiece from shifting during the press-fitting process, thereby improving the assembly accuracy and the consistency of the motor performance. The rubber ring at the bottom of the centering column plays a buffering role and can effectively absorb the vibration and impact force generated during the press-fitting process. This helps to protect the surface and internal structure of the workpiece and reduce the damage caused by vibration. The cooperation between the positioning block on the positioning member and the positioning hole on the upper cover ensures accurate positioning during the assembly process, avoids the instability of the workpiece caused by assembly errors, and improves the stability of the entire press-fitting process. The matching design of the positioning block and the positioning hole makes the assembly operation faster and more convenient, reduces the time and energy consumption of the operator for centering the workpiece, and improves work efficiency. Through the design of these positioning and centering functions, the assembly process is simplified. The operator only needs to align the workpiece with the centering column and the positioning member to perform press-fitting, reducing the complexity of adjustment and calibration. By ensuring the precise positioning and centering of the workpiece, the deviation that may occur during the assembly process is avoided, thereby improving the assembly quality and the consistency of the product. Brief Description of the Drawings

[0017] Figure 1 is a schematic structural diagram of the present utility model.

[0018] Figure 2 is a schematic structural diagram of the assembly base in the present utility model.

[0019] Figure 3 is a schematic structural diagram of the cross-section of the assembly base in the present utility model.

[0020] Figure 4 is a schematic structural diagram of the top plate in the present utility model.

[0021] In the figure: 1. Clamping base; 2. Clamping groove; 3. Bottom plate; 4. Centering hole; 5. Press-fitted workpiece; 6. Limit stop block; 7. Top plate; 8. Reinforcing plate; 9. Slide bar; 10. Buffer spring; 11. Positioning hole; 12. Assembly base; 13. Adjustment groove; 14. Slide groove; 15. Fixed bolt; 16. Limit block; 17. Sliding member; 18. Slide rail; 19. Upper cover; 20. Pin; 21. Positioning groove; 22. Positioning member; 23. Positioning block; 24. Centering column; 25. Rubber ring. Detailed Description of the Preferred Embodiment

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0023] The present invention provides a motor press-fitting self-concentric structure as Figures 1-4 shown, including a clamping base 1;

[0024] At the top position of the clamping base 1, a top plate 7 is provided. At the left and right positions of the top plate 7, reinforcing plates 8 are provided. At the bottom position of the reinforcing plate 8, a sliding rod 9 is provided. A buffer spring 10 is wrapped around the outer side of the sliding rod 9. At the top position of the sliding rod 9, a limit stop block 6 is provided;

[0025] Above the clamping base 1, an assembly base 12 is provided. Above the assembly base 12, a press-fitting workpiece 5 is provided. At the top position of the assembly base 12, an upper cover 19 is provided.

[0026] On the horizontal position at the top of the assembly base 12, a slide rail 18 is provided. At the middle position of the slide rail 18, a sliding member 17 is provided. At the bottom position of the sliding member 17, a slide rail 18 is vertically provided. At the side position of the slide rail 18, a limit block 16 is provided.

[0027] On the outer side of the slide rail 18, a chute 14 is provided. The chute 14 is slidably connected to the slide rail 18. On the outer side of the limit block 16, an adjustment groove 13 is provided.

[0028] Inside the assembly base 12, a pin 20 is provided. At the top position of the assembly base 12, a positioning groove 21 corresponding to the pin 20 is provided. There are two sets respectively on the upper and lower sides of the assembly base 12. On the side position of the assembly base 12, fixing bolts 15 are arranged in an array.

[0029] At the middle position at the bottom of the top plate 7, a positioning member 22 is provided. At the middle position inside the positioning member 22, a centering column 24 is provided. Inside the press-fitting workpiece 5 at the middle position, a centering hole 4 is opened. The centering hole 4 corresponds to the centering column 24. At the bottom position of the centering column 24, a rubber ring 25 is provided.

[0030] On the outer side of the upper cover 19, positioning holes 11 are arranged in an array. At the bottom of the positioning member 22, positioning blocks 23 are arranged in an array. The positioning blocks 23 correspond to the positioning holes 11.

[0031] At the middle position inside the clamping base 1, a clamping groove 2 is provided. At the bottom position of the assembly base 12, a bottom plate 3 is provided. The bottom plate 3 is nested with the clamping groove 2.

[0032] In this embodiment, the specific implementation steps of a self - concentric structure for motor press - fitting are as follows. Ensure that the clamping base 1, top plate 7, assembly base 12, press - fitted workpiece 5 and other related components are in good condition, and all components are ready according to the design requirements. Check and confirm that the installation positions and functions of components such as the positioning member 22, centering column 24, centering hole 4, rubber ring 25, etc. are normal. Install the assembly base 12 above the clamping base 1, ensure that the fixing bolts 15 at the bottom of the base 12 are aligned with the corresponding holes on the clamping base 1 and are firmly fixed. Adjust the slide rail 18 and the sliding member 17 so that the sliding member 17 can slide smoothly on the slide rail 18. Ensure that the positions of the slide rail 18 at the bottom of the sliding member 17 and the limit block 16 on the side of the slide rail 18 are correct, and the chute 14 is smoothly connected to the slide rail 18 in a sliding manner. Place the motor workpiece 5 to be press - fitted on the assembly base 12. The centering hole 4 of the workpiece 5 needs to be aligned with the centering column 24. Ensure that the rubber ring 25 of the centering column 24 is correctly matched with the centering hole 4 of the workpiece 5. Ensure that the alignment of the positioning members 22, positioning blocks 23 and positioning holes 11 on the top plate 7 and the assembly base 12 is accurate to correctly fix the workpiece 5. By adjusting the position of the upper cover 19 to align it with the positioning block 23 of the positioning member 22, ensure the position stability during the entire assembly process. Start the press - fitting device and slowly apply pressure. The buffer spring 10 of the slide rod 9 will help absorb the impact force to prevent excessive pressure from damaging the components. During the press - fitting process, the limit stop block 6 at the top of the slide rod 9 will ensure that the movement range of the slide rod does not exceed the predetermined value, guaranteeing the accuracy of the press - fitting process.

[0033] As Figures 1-3 shown, an assembly base 12 is provided at the upper position of the clamping base 1, a press - fitted workpiece 5 is provided at the upper position of the assembly base 12, an upper cover 19 is provided at the top position of the assembly base 12, a slide rail 18 is provided at the horizontal top position of the assembly base 12, a sliding member 17 is provided at the middle position of the slide rail 18, a slide rail 18 is vertically provided at the bottom position of the sliding member 17, a limit block 16 is provided at the side position of the slide rail 18, a chute 14 is provided at the outer position of the slide rail 18, the chute 14 is slidably connected to the slide rail 18, an adjustment groove 13 is provided at the outer position of the limit block 16, a pin 20 is provided inside the assembly base 12, a positioning groove 21 corresponding to the pin 20 is provided at the top position of the assembly base 12, two are respectively provided on the upper and lower sides of the assembly base 12, and fixing bolts 15 are arranged in an array at the side position of the assembly base 12.

[0034] Preferably, the structural design of the clamping base 1 and the assembly base 12 ensures the stability of the workpiece 5 during the press-fitting process, effectively preventing the workpiece from shifting or tilting during the press-fitting process. The combined design of the positioning groove 21 and the pin 20 can achieve precise positioning of the workpiece 5, ensuring that the press-fitted workpiece maintains the correct position throughout the process, reducing the assembly error. The design of the limit block 16 and the adjustment groove 13 enables the assembly base 12 to be flexibly adjusted in height and position according to actual needs, adapting to press-fitted workpieces of different specifications or sizes, improving the versatility of the equipment. The design of the slide rail 18 and the sliding member 17 enables the operator to conveniently move and adjust the workpiece, reducing the burden of manual operation and improving work efficiency. Through the design of the slide rod and the buffer spring, the impact force generated during the press-fitting process can be effectively absorbed, preventing damage to the workpiece and protecting the integrity of precision components. The limit block and the protective device in the design can prevent accidents during the press-fitting process, enhancing the safety of operation and reducing the risk of accidents. The structural design of the assembly base 12 makes the disassembly and maintenance of each component relatively simple, facilitating regular inspection and maintenance, ensuring the long-term stable operation of the equipment, reducing the complex operations during the press-fitting process, improving production efficiency, and shortening the production cycle.

[0035] As Figure 1 and Figure 4 shown, a positioning member 22 is provided at the middle position of the bottom of the top plate 7. A centering column 24 is provided at the middle position inside the positioning member 22. A centering hole 4 is provided at the middle position inside the press-fitted workpiece 5. The centering hole 4 corresponds to the centering column 24. A rubber ring 25 is provided at the bottom position of the centering column 24. Positioning holes 11 are arranged in an array on the outside of the upper cover 19. Positioning blocks 23 are arranged in an array at the bottom of the positioning member 22. The positioning blocks 23 correspond to the positioning holes 11.

[0036] Preferably, the mating design of the centering post 24 and the centering hole 4 ensures that the pressed workpiece 5 can be accurately centered during the assembly process. This precise centering can effectively prevent the workpiece from shifting during the pressing process, thereby improving the assembly accuracy and the consistency of the motor performance. The rubber ring 25 at the bottom of the centering post 24 plays a buffering role and can effectively absorb the vibrations and impact forces generated during the pressing process. This helps to protect the surface and internal structure of the workpiece and reduce the damage caused by vibrations. The cooperation between the positioning block 23 on the positioning member 22 and the positioning hole 11 on the upper cover 19 ensures accurate positioning during the assembly process, avoids the instability of the workpiece caused by assembly errors, and improves the stability of the entire pressing process. The mating design of the positioning block 23 and the positioning hole 11 makes the assembly operation faster and more convenient, reduces the time and energy consumption of the operator for centering the workpiece, and improves the work efficiency. Through the design of these positioning and centering functions, the assembly process is simplified. The operator only needs to align the workpiece with the centering post 24 and the positioning member 22 to perform the pressing, reducing the complexity of adjustment and calibration. By ensuring the precise positioning and centering of the workpiece, the deviations that may occur during the assembly process are avoided, thereby improving the assembly quality and the consistency of the product.

[0037] As Figures 1-4 shown, a clamping groove 2 is provided at the middle position inside the clamping base 1, and a bottom plate 3 is provided at the bottom position of the assembly base 12. The bottom plate 3 is nested with the clamping groove 2.

[0038] Optionally, the nested connection between the clamping groove 2 and the bottom plate 3 can provide stronger mechanical stability, enabling the assembly base 12 to be firmly fixed on the clamping base 1. This stability reduces the errors that may be caused by the movement or tilt of the base during the pressing process and ensures the accuracy of the workpiece assembly. The nested connection design of the clamping groove 2 and the bottom plate 3 significantly improves the stability, accuracy, and efficiency of the assembly process, simplifies the operation and maintenance at the same time, and provides guarantee for the long-term use of the equipment.

[0039] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. 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 motor press-fit self-concentric structure, comprising a clamping base (1); A top plate (7) is provided at the top of the clamping base (1), reinforcing plates (8) are provided at the left and right sides of the top plate (7), a sliding rod (9) is provided at the bottom of the reinforcing plate (8), a buffer spring (10) is wrapped around the outer side of the sliding rod (9), and a limit stopper (6) is provided at the top of the sliding rod (9); Features: An assembly base (12) is arranged above the clamping base (1), a press-fit workpiece (5) is arranged above the assembly base (12), and an upper cover (19) is arranged at the top of the assembly base (12).

2. The motor press-fit self-concentric structure according to claim 1, characterized in that: A slide rail (18) is arranged at a horizontal position on the top of the assembly base (12), a sliding member (17) is arranged at a middle position of the slide rail (18), a slide rail (18) is arranged vertically at the bottom position of the sliding member (17), and a limiting block (16) is arranged at a side position of the slide rail (18).

3. The motor press-fit self-concentric structure according to claim 2, characterized in that: A slide groove (14) is arranged at the outer side of the slide rail (18), the slide groove (14) is slidably connected to the slide rail (18), and an adjustment groove (13) is arranged at the outer side of the limit block (16).

4. The motor press-fit self-concentric structure according to claim 3, characterized in that: A pin (20) is arranged at an inner position of the assembly base (12), a positioning groove (21) corresponding to the pin (20) is arranged at a top position of the assembly base (12), two positioning grooves (21) are arranged on the upper and lower sides of the assembly base (12), and fixing bolts (15) are arranged in an array at a side position of the assembly base (12).

5. The motor press-fit self-concentric structure according to claim 1, characterized in that: A positioning piece (22) is provided at the middle position of the bottom of the top plate (7), a centering column (24) is provided at the middle position inside the positioning piece (22), a centering hole (4) is opened at the middle position inside the press-fit workpiece (5), the centering hole (4) corresponds to the centering column (24), and a rubber ring (25) is provided at the bottom position of the centering column (24).

6. The motor press-fit self-concentric structure according to claim 5, characterized in that: The upper cover (19) is provided with positioning holes (11) in an array on the outside, and the positioning members (22) are provided with positioning blocks (23) in an array at the bottom, and the positioning blocks (23) correspond to the positioning holes (11).

7. The motor press-fit self-concentric structure according to claim 1, characterized in that: A clamping groove (2) is provided at the middle position inside the clamping base (1), and a bottom plate (3) is provided at the bottom position of the assembly base (12), and the bottom plate (3) is nested and connected with the clamping groove (2).

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