Motor shaft conveying and press-fitting structure
By designing an automated motor shaft conveying and pressing structure, using mechanical means such as push cylinders, rotating cylinders and pneumatic jaws, the problems of low efficiency and poor accuracy of manual pressing of motor shafts and shaft sleeves are solved, and efficient and accurate automatic Pressure assembly improves the overall quality of brushless motor production.
Patent Information
- Application Number
- CN202420860447.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-24
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-04-24
AI Technical Summary
In the production process of brushless motors, manual pressing of the motor shaft and shaft sleeve leads to low efficiency and poor accuracy, which easily leads to bending and deformation, affecting product quality.
A motor shaft conveying and pressing structure is designed, including a workbench, vertical frame, bracket, material rack, push cylinder, rotating cylinder and pneumatic jaw, to realize automatic loading and precise pressing of the motor shaft, through pushing cylinder and rotating Mechanical means such as cylinders and cylinder pressing automatically complete the pressing and assembly process of the motor shaft and shaft sleeve.
It improves the loading efficiency and pressing accuracy of the motor shaft, avoids bending and deformation caused by manual pressing, and significantly improves production efficiency and product quality.
Smart Images
Figure CN222344718U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a conveying and pressing structure for a motor shaft. Background Art
[0002] The brushless motor is mainly composed of an electric motor body and a driver. During the production process of the brushless motor, the motor shaft and the casing generally need to be press-fitted and fixed through a sleeve. The conventional motor shaft and the sleeve are pressed and fixed through a simple pressing device, that is, the sleeve is placed in a mold, and the motor shaft is manually placed and calibrated and pressed. The manual material placement and pressing method not only has low loading efficiency and poor pressing production rate, but also easily causes pressing errors between the motor shaft and the sleeve, causing the sleeve or the motor shaft to bend and deform due to pressing, reducing the pressing accuracy between the motor shaft and the sleeve, affecting the coaxiality between the motor shaft and the sleeve, and affecting the subsequent production quality of brushless motors. Utility Model Content
[0003] The utility model mainly solves the technical problems existing in the prior art, thereby providing a motor shaft conveying and pressing structure which can automatically load and press, effectively improve the production efficiency of motor shaft pressing, and ensure the pressing accuracy between the motor shaft and the shaft sleeve.
[0004] The utility model is a motor shaft conveying and pressing structure, comprising a workbench, a stand and a bracket connected to the workbench, and a material rack arranged on the side of the stand for storing the motor shaft, the side of the material rack is connected with a push cylinder for pushing the motor shaft, a press table is arranged in the center of the stand, a press cylinder for driving the press table to rise and fall is connected above the stand, a guide column for embedding the end of the motor shaft is arranged directly below the press table, a top cylinder for driving the guide column to rise and fall is connected below the workbench, the bracket is located between the press table and the guide column, and a rotating cylinder is connected in the center of the bracket, and a pneumatic clamp for clamping the motor shaft is connected to the piston rod of the rotating cylinder.
[0005] Preferably, a material trough for storing the motor shaft is provided in the center of the material rack, baffles are connected on both sides of the material rack, and a push pin for pushing the motor shaft is connected to the piston rod of the push cylinder, so that the motor shaft can be placed in the material trough in the center of the material rack and the motor shaft is limited and aligned by the baffle, and then the push cylinder drives the push pin to push the motor shaft out from the inside of the material trough.
[0006] Preferably, the height of the material rack facing the push cylinder is lower than the end of the material rack away from the push cylinder, and a through hole penetrating the material trough is provided at the end of the baffle plate close to the push cylinder, so that the motor shaft inside the material trough can automatically fall due to the height difference of the material rack, and the setting of the through hole allows the push pin to push the motor shaft out of the through hole.
[0007] Preferably, the push cylinder and the pneumatic clamp are respectively located on both sides of the material rack, and the pneumatic clamp includes a claw cylinder connected to the piston rod of the rotating cylinder, and a clamp connected to the piston rod of the claw cylinder, so that the push cylinder drives the push pin to push the motor shaft to the pneumatic clamp, and the clamp is driven by the claw cylinder to grab the motor shaft, and then the claw cylinder and its clamp are driven by the rotating cylinder to rotate and convey the motor shaft.
[0008] Preferably, a turntable is provided above the workbench, a motor is connected between the turntable and the workbench, and a molding table is provided on the upper surface of the turntable, so that the sleeve in the workpiece can be stored through the molding table, and the turntable is driven to rotate by the motor, so that the motor shaft can be pressed through the molding table and the sleeve.
[0009] Preferably, the molding table is located between the pressing table and the guide column, the guide column passes through the workbench and cooperates with the molding table, and an axial hole is arranged in the center of the guide column, and the center of the pressing table, the center of the molding table and the axis core of the axial hole are in the same straight line, so that the axial hole in the guide column can limit the support of the motor shaft, allowing the motor shaft to pass through the turntable, the molding table and cooperate with the shaft sleeve to be connected, so that the motor shaft and the shaft sleeve can be accurately pressed and fixed.
[0010] The beneficial effects of the utility model are as follows: since the side of the vertical frame is used to store the material rack of the motor shaft, the side of the material rack is connected with a push cylinder for pushing the motor shaft, and the other side of the material rack is provided with a rotating cylinder, and the piston rod of the rotating cylinder is connected with a pneumatic clamp for clamping the motor shaft, the motor shaft can be temporarily stored through the material rack, and the motor shaft is pushed out by the push cylinder, so that the motor shaft can be automatically transported to the pneumatic clamp for grasping and fixing, and is rotated and transported by the rotating cylinder, so that the motor shaft can be automatically pushed out for pressing, effectively improving the feeding efficiency of the motor shaft; and a press table is provided directly below the press table There is a guide column for embedding the end of the motor shaft, and the pneumatic clamp is located between the press table and the guide column, so that the rotating cylinder can transport the motor shaft to the shaft hole in the guide column through the pneumatic clamp, and the press table is driven by the press cylinder to press the workpiece sleeve in the mold table, and the guide column is driven by the top cylinder to pass the motor shaft through the mold table and the sleeve for press-fitting and fixing, thereby completing the automatic loading and pressing production of the motor shaft and the sleeve, effectively improving the production efficiency of the motor shaft press-fitting, and changing the problem of press-fitting bending and deformation between the conventional motor shaft and the workpiece sleeve through manual loading and manual press-fitting, and effectively ensuring the press-fitting accuracy between the motor shaft and the sleeve. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0012] Figure 1 This is a schematic diagram of the overall structure of a motor shaft conveying and pressing structure of the utility model;
[0013] Figure 2 It is a schematic diagram of the structure between the pressure cylinder, the rotating cylinder, the pneumatic clamp and the top cylinder in a motor shaft conveying and pressing structure of the utility model;
[0014] Figure 3 The utility model is a schematic diagram of a feeding structure of a material rack in a motor shaft conveying and pressing structure. DETAILED DESCRIPTION
[0015] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.
[0016] like Figures 1 to 3 A motor shaft conveying and pressing structure shown in the figure includes a workbench 1, a stand 2 and a bracket 4 connected to the workbench 1, and a material rack 3 arranged on the side of the stand 2 for storing the motor shaft, the side of the material rack 3 is connected with a push cylinder 31 for pushing the motor shaft, a press table 211 is arranged in the center of the stand 2, a press cylinder 21 for driving the press table 211 to rise and fall is connected above the stand 2, a guide column 51 for embedding the end of the motor shaft is arranged directly below the press table 211, a top cylinder 5 for driving the guide column 51 to rise and fall is connected below the workbench 1, the bracket 4 is located between the press table 211 and the guide column 51, and a rotating cylinder 41 is connected in the center of the bracket 4, and a pneumatic clamp 42 for clamping the motor shaft is connected to the piston rod of the rotating cylinder 41.
[0017] A material trough 32 for storing the motor shaft is arranged in the center of the material rack 3, baffles 321 are connected to the two sides of the material rack 3, and a push pin 311 for pushing the motor shaft is connected to the piston rod of the push cylinder 31, so that the motor shaft can be placed in the material trough 32 in the center of the material rack 3 and the baffle 321 is used to limit and align the motor shaft, and then the push cylinder 31 drives the push pin 311 to push the motor shaft out from the inside of the material trough 32.
[0018] The height of the material rack 3 facing the push cylinder 31 is lower than the end of the material rack 3 away from the push cylinder 31, and a through hole 33 penetrating the material trough 32 is provided at the end of the baffle 321 close to the push cylinder 31. The height difference of the material rack 3 allows the motor shaft inside the material trough 32 to fall automatically, and the setting of the through hole 33 allows the push pin 311 to push the motor shaft out of the through hole 33.
[0019] The push cylinder 31 and the pneumatic clamp 42 are respectively located on both sides of the material rack 3. The pneumatic clamp 42 includes a claw cylinder 421 connected to the piston rod of the rotating cylinder 41, and a clamp 422 connected to the piston rod of the claw cylinder 421, so that the push cylinder 31 drives the push pin 311 to push the motor shaft to the pneumatic clamp 42, and the clamp 422 is driven by the claw cylinder 421 to grab the motor shaft, and then the claw cylinder 421 and its clamp 422 are driven by the rotating cylinder 41 to rotate and transport the motor shaft.
[0020] A turntable 11 is also provided above the workbench 1, and a motor 111 is connected between the turntable 11 and the workbench 1. A molding table 12 is provided on the upper surface of the turntable 11, so that the sleeve in the workpiece can be stored through the molding table 12, and the turntable 11 is driven to rotate by the motor 111, so that the motor shaft can be press-fitted with the sleeve through the molding table 12.
[0021] The molding table 12 is located between the pressing table 211 and the guide column 51, and the guide column 51 passes through the workbench 1 and cooperates with the molding table 12, and an axial hole 511 is arranged in the center of the guide column 51, and the center of the pressing table 211, the center of the molding table 12 and the axis core of the axial hole 511 are in the same straight line, so that the axial hole 511 in the guide column 51 can limit the support of the motor shaft, so that the motor shaft can pass through the turntable 11 and the molding table 12 and cooperate with the shaft sleeve to be connected, so that the motor shaft and the shaft sleeve can be accurately pressed and fixed.
[0022] The motor shaft conveying and pressing structure can place the shaft sleeve to be pressed in the mold table 12 on the surface of the turntable 11, and the turntable 11 is driven to rotate by the motor 111, so that the mold table 12 drives the shaft sleeve to rotate to between the pressing table 211 and the guide column 51; and the motor shaft is stored in the material groove 32 in the center of the material rack 3, and the push cylinder 31 drives the push pin 311 to push the motor shaft out of the material groove 32 through the through hole 33, so that the motor shaft is pushed to the pneumatic clamp 42, so that the claw cylinder 421 drives the clamp 422 to grab the pushed motor shaft, and the motor shaft is driven by the rotating cylinder 41. The motor shaft is rotated so that the horizontal motor shaft can be vertically embedded in the shaft hole 511 in the center of the guide column 51; then the pressure cylinder 21 drives the press table 211 to press and limit the shaft sleeve, and the top cylinder 5 drives the guide column 51 and the motor shaft inside the shaft hole 511 to rise, so that the motor shaft passes through the workbench 1 and the turntable 11 and is embedded in the molding table 12 and press-fitted with the shaft sleeve to complete the press-fitting of the motor shaft and the shaft sleeve, and then the power of the top cylinder 5 and the pressure cylinder 21 to the guide column 51 and the press table 211 is released, so that the motor 111 can drive the turntable 11 to rotate for pressing again or the next step of processing.
[0023] The beneficial effects of the utility model are as follows: since the side of the vertical frame is used to store the material rack of the motor shaft, the side of the material rack is connected with a push cylinder for pushing the motor shaft, and the other side of the material rack is provided with a rotating cylinder, and the piston rod of the rotating cylinder is connected with a pneumatic clamp for clamping the motor shaft, the motor shaft can be temporarily stored through the material rack, and the motor shaft is pushed out by the push cylinder, so that the motor shaft can be automatically transported to the pneumatic clamp for grasping and fixing, and is rotated and transported by the rotating cylinder, so that the motor shaft can be automatically pushed out for pressing, effectively improving the feeding efficiency of the motor shaft; and a press table is provided directly below the press table There is a guide column for embedding the end of the motor shaft, and the pneumatic clamp is located between the press table and the guide column, so that the rotating cylinder can transport the motor shaft to the shaft hole in the guide column through the pneumatic clamp, and the press table is driven by the press cylinder to press the workpiece sleeve in the mold table, and the guide column is driven by the top cylinder to pass the motor shaft through the mold table and the sleeve for press-fitting and fixing, thereby completing the automatic loading and pressing production of the motor shaft and the sleeve, effectively improving the production efficiency of the motor shaft press-fitting, and changing the problem of press-fitting bending and deformation between the conventional motor shaft and the workpiece sleeve through manual loading and manual press-fitting, and effectively ensuring the press-fitting accuracy between the motor shaft and the sleeve.
[0024] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.
Claims
1. A motor shaft conveying and pressing structure, characterized in that: It includes a workbench, a stand and a bracket connected to the workbench, and a material rack arranged on the side of the stand for storing the motor shaft, the side of the material rack is connected with a push cylinder for pushing the motor shaft, a press platform is arranged in the center of the stand, a press cylinder for driving the press platform to rise and fall is connected above the stand, a guide column for embedding the end of the motor shaft is arranged directly below the press platform, a push cylinder for driving the guide column to rise and fall is connected below the workbench, the bracket is located between the press platform and the guide column, and a rotating cylinder is connected in the center of the bracket, and a pneumatic clamp for clamping the motor shaft is connected to the piston rod of the rotating cylinder.
2. The motor shaft conveying and pressing structure according to claim 1, characterized in that: A material trough for storing the motor shaft is arranged in the center of the material rack, baffles are connected to both sides of the material rack, and a push pin for pushing the motor shaft is connected to the piston rod of the push cylinder.
3. A motor shaft conveying and pressing structure according to claim 2, characterized in that: The height of the material rack facing the push cylinder is lower than the end of the material rack away from the push cylinder, and a through hole penetrating the material trough is provided at the end of the baffle plate close to the push cylinder.
4. The motor shaft conveying and pressing structure according to claim 3 is characterized in that: The push cylinder and the pneumatic clamp are respectively located on both sides of the material rack. The pneumatic clamp comprises a claw cylinder connected to the piston rod of the rotary cylinder and a clamp connected to the piston rod of the claw cylinder.
5. A motor shaft conveying and pressing structure according to any one of claims 1 to 4, characterized in that: A turntable is also arranged above the workbench, a motor is connected between the turntable and the workbench, and a molding platform is arranged on the upper surface of the turntable.
6. A motor shaft conveying and pressing structure according to claim 5, characterized in that: The molding platform is located between the pressing platform and the guide column, the guide column passes through the workbench and matches with the molding platform, and an axial hole is arranged at the center of the guide column, and the center of the pressing platform, the center of the molding platform and the axial core of the axial hole are in the same straight line.