A multi-station composite machining device

Abstract

This invention relates to the technical field of motor end cap processing, and proposes a multi-station composite processing equipment, including: a base box, a turntable, multiple clamping mechanisms, and a drive mechanism. A support shaft is rotatably connected inside the base box. The turntable is located on top of the base box, and its bottom is fixedly connected to the top of the support shaft. The multiple clamping mechanisms are distributed in a ring at equal intervals on the top of the turntable. The advantages of this invention are: the equipment relies entirely on the rotational linkage of the turntable to achieve automatic clamping and releasing of the precision motor end cap. The turntable is a circular workstation support plate; it automatically clamps when rotating to the processing position and automatically releases when rotating back to the loading / unloading position, greatly simplifying the equipment structure. Furthermore, the loading / unloading, cutting, and grinding stations operate synchronously in separate areas, with compact process connections. There is no need for separate workpiece transfer, significantly shortening the overall processing time of the motor end cap and making it suitable for mass production of precision motor end caps.

Description

Technical Field

[0001] This invention relates to the technical field of motor end cap processing, specifically to a multi-station composite processing equipment. Background Technology

[0002] Precision motor end caps are core components in equipment such as new energy vehicle motors, industrial servo motors, and precision home appliance motors. The flatness of their end faces, the accuracy of their holes, and the smoothness of their appearance directly determine the overall assembly precision and operational stability of the motor. Currently, most processing equipment for precision motor end caps on the market adopts a split-type single-station processing structure, separating the loading / unloading, cutting, and grinding processes into independent operations. A few multi-station processing equipment still have many structural defects, which seriously restrict the efficiency and precision of mass production of motor end caps, and cannot meet the needs of high-precision, large-volume production.

[0003] In existing technologies, traditional multi-station machining equipment mostly uses cylinders, hydraulic cylinders, or electromagnetic clamping components to fix the workpiece. This requires independent pneumatic, hydraulic, and electrical control systems, resulting in a complex overall equipment structure, numerous potential failure points, difficult daily maintenance, high operating costs, and poor long-term operational stability. Furthermore, traditional clamping structures require separate clamping and releasing control programs, making it impossible to coordinate with station rotation and repositioning actions. This leads to cumbersome process connections, low automation, and significantly reduced workpiece processing cycle time and production efficiency. Summary of the Invention

[0004] This invention proposes a multi-station composite processing equipment. This equipment relies on the rotation and linkage of a turntable to achieve automatic clamping and loosening of precision motor end caps throughout the entire process. The turntable is a circular workstation support plate. When the turntable rotates to the processing position, it automatically clamps the motor end caps, and when it rotates back to the loading and unloading position, it automatically loosens them. The equipment structure is greatly simplified. In addition, the loading and unloading, cutting, and grinding workstations operate synchronously in separate areas, with compact process connections. There is no need to transfer the workpiece separately, which greatly shortens the overall processing time of the motor end caps and is suitable for mass production of precision motor end caps.

[0005] Therefore, the technical solution adopted is as follows:

[0006] A multi-station composite processing equipment includes: a base box, a turntable, multiple clamping mechanisms, and a drive mechanism. A support shaft is rotatably connected inside the base box. The turntable is located at the top of the base box, and the bottom of the turntable is fixedly connected to the top of the support shaft. The multiple clamping mechanisms are distributed in a ring at equal intervals on the top of the turntable. Each clamping mechanism includes multiple radially sliding clamping blocks and a transmission component for driving the clamping blocks to move closer or further apart. The drive mechanism is installed inside the base box and is used to drive the support shaft to rotate at a fixed angle.

[0007] The transmission component includes a support frame, a telescopic column, a spring, a connecting rod, and ball bearings. The top end of the telescopic column is fixedly connected to the bottom of the turntable, and the bottom end of the telescopic column is fixedly connected to the support frame. The spring is sleeved on the outside of the telescopic column. Several connecting rods are hinged to the top of the support frame. Ball bearings are installed at the bottom of the support frame. An arc-shaped groove matching the ball bearings is opened on the top surface of the base box.

[0008] Furthermore, each of the clamping blocks has a slider fixedly connected to its bottom, and the top of the turntable has several radial through slots. The sliders are correspondingly inserted into the through slots and slide radially with the through slots.

[0009] Furthermore, the clamping block is arc-shaped, and a silicone pad is provided on the inner side of the clamping block.

[0010] Furthermore, one end of the connecting rod is hinged to the top of the support frame, and the other end of the connecting rod is hinged to the corresponding slider. The vertical lifting motion of the support frame can be converted into the radial opening and closing sliding motion of the slider and clamping block through the connecting rod.

[0011] Furthermore, the ball bearings are in rolling contact with the top surface of the base box and the arc-shaped groove.

[0012] Furthermore, the two ends of the arc-shaped groove are chamfered.

[0013] Furthermore, the drive mechanism includes a motor and a driven gear. The motor is fixed inside the base box, and the driven gear is fixedly sleeved on the outer wall of the support shaft. The output end of the motor is keyed to a driving gear that meshes with the driven gear.

[0014] Furthermore, the motor has a self-locking function.

[0015] The working principle and beneficial effects of this application are as follows:

[0016] This equipment relies on the rotation and linkage of the turntable to automatically clamp and release the precision motor end cap. The turntable is a circular workstation support plate. When the turntable rotates to the processing position, it automatically clamps the motor end cap, and when it rotates back to the loading and unloading position, it automatically releases the motor end cap. The equipment structure is greatly simplified. In addition, the loading and unloading, cutting, and grinding workstations operate synchronously in separate areas, with compact process connections. There is no need to transfer the workpiece separately, which greatly shortens the overall processing time of the motor end cap and is suitable for mass production of precision motor end caps. Attached Figure Description

[0017] The present application will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0018] Figure 1 This is a schematic diagram of the overall structure of this application;

[0019] Figure 2 This is a partial cross-sectional view of the structure of this application;

[0020] Figure 3 This is a partial structural diagram of this application;

[0021] Figure 4 This is a schematic diagram of the structure of the bottom box of this application;

[0022] Figure 5 This is a schematic diagram of the clamping mechanism of this application.

[0023] In the diagram: 1. Base box; 2. Turntable; 3. Clamping mechanism; 31. Clamping block; 32. Slider; 33. Connecting rod; 34. Support frame; 35. Ball bearing; 36. Spring; 37. Telescopic column; 4. Drive mechanism; 41. Motor; 42. Drive gear; 43. Driven gear; 5. Support shaft; 6. Arc groove. Detailed Implementation

[0024] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0025] like Figures 1-5 As shown, a multi-station composite processing equipment includes: a base box 1, a turntable 2, multiple clamping mechanisms 3 and a drive mechanism 4. A support shaft 5 is rotatably connected inside the base box 1. The turntable 2 is located on the top of the base box 1, and the bottom of the turntable 2 is fixedly connected to the top of the support shaft 5. Multiple clamping mechanisms 3 are distributed in a ring at equal intervals on the top of the turntable 2. Each clamping mechanism 3 includes multiple radially sliding clamping blocks 31 and a transmission component for driving the clamping blocks 31 to move closer or further away. The drive mechanism 4 is installed inside the base box 1 and is used to drive the support shaft 5 to rotate at a fixed angle.

[0026] The transmission components include a support frame 34, a telescopic column 37, a spring 36, a connecting rod 33, and a ball bearing 35. The top of the telescopic column 37 is fixedly connected to the bottom of the turntable 2, and the bottom of the telescopic column 37 is fixedly connected to the support frame 34. The spring 36 is sleeved on the outside of the telescopic column 37. Several connecting rods 33 are hinged to the top of the support frame 34. The ball bearing 35 is installed at the bottom of the support frame 34. An arc-shaped groove 6 matching the ball bearing 35 is opened on the top surface of the base box 1.

[0027] In this embodiment, the equipment adopts a three-station layout, specifically a loading / unloading station, a cutting station, and a grinding / finishing station. The entire process relies on the rotation and linkage of the turntable 2 to achieve automatic clamping and loosening of the precision motor end cap. The turntable 2 is a circular station support plate with three sets of clamping mechanisms 3 evenly arranged in a ring on the top. It rotates synchronously with the support shaft 5 to complete the precise transfer and repositioning of the workpiece between the three stations of loading / unloading, cutting, and grinding. It adopts a purely mechanical linkage clamping structure, and the workpiece clamping and loosening actions are completed synchronously with the station rotation and repositioning. There is no need to set a separate clamping control program. The turntable 2 automatically clamps when it rotates to the processing position and automatically loosens when it rotates back to the loading / unloading position. The equipment structure is greatly simplified. In addition, the loading / unloading, cutting, and grinding stations operate synchronously in separate areas, and the process is closely connected. There is no need to transfer the workpiece separately, which greatly shortens the overall processing time of the motor end cap and is suitable for mass production of precision motor end caps.

[0028] Among them, the telescopic column 37 is a vertical guide and limiter, which restricts the support frame 34 to only perform vertical lifting and lowering movements, prevents deviation and tilting, and ensures accurate clamping action. The spring 36 provides downward elastic force under normal conditions, so as to realize the automatic release and reset of the clamping block 31.

[0029] like Figure 5 As shown, multiple clamping blocks 31 are fixedly connected to sliders 32 at their bottoms, and the top of the turntable 2 is provided with several radial through slots. The sliders 32 are correspondingly inserted into the through slots and slide radially with the through slots.

[0030] In this embodiment, the slider 32 is fixed to the bottom of the clamping block 31 and is inserted into the through slot of the turntable 2. It can only slide radially, transmit the thrust of the connecting rod 33, and drive the clamping block 31 to open and close synchronously.

[0031] like Figure 5 As shown, the clamping block 31 is arc-shaped, and a silicone pad is provided on the inner side of the clamping block 31.

[0032] In this embodiment, the silicone pad is used to protect the surface of the workpiece.

[0033] like Figure 5 As shown, one end of the connecting rod 33 is hinged to the top of the support frame 34, and the other end of the connecting rod 33 is hinged to the corresponding slider 32. The vertical lifting motion of the support frame 34 can be converted into the radial opening and closing sliding motion of the slider 32 and the clamping block 31 through the connecting rod 33.

[0034] In this embodiment, one end of the connecting rod 33 is connected to the support frame 34 and the other end is connected to the slider 32, which converts the up-and-down movement of the support frame 34 into the horizontal sliding action of the slider 32 radially converging or dispersing.

[0035] like Figures 1-2 As shown, the ball bearing 35 has rolling contact with the top surface of the base box 1 and the arc groove 6.

[0036] In this embodiment, the ball bearing 35 is installed at the bottom of the support frame 34 and rolls in contact with the top surface of the base box 1 and the arc groove 6 to reduce motion friction. The support frame 34 is raised and lowered by the height difference.

[0037] like Figures 1-5 As shown, the two ends of the arc-shaped groove 6 are chamfered.

[0038] In this embodiment, the two ends of the arc groove 6 are chamfered to facilitate the smooth entry and exit of the ball bearing 35 without jamming.

[0039] like Figures 2-3 As shown, the drive mechanism 4 includes a motor 41 and a driven gear 43. The motor 41 is fixed inside the base box 1, and the driven gear 43 is fixedly sleeved on the outer wall of the support shaft 5. The output end of the motor 41 is keyed to a drive gear 42 that meshes with the driven gear 43.

[0040] In this embodiment, the motor 41 drives the drive gear 42 to mesh with the driven gear 43, which in turn drives the support shaft 5 to rotate the turntable 2 smoothly.

[0041] In this embodiment, the motor 41 has a self-locking function.

[0042] Working principle:

[0043] The clamping mechanism 3 remains at the loading / unloading station. The bottom ball bearing 35 of the support frame 34 falls into the arc-shaped groove 6 of the base box 1. The support frame 34 has no top surface support and sinks downward under the elastic force of the spring 36. At this time, the connecting rod 33 expands outward, causing all the clamping blocks 31 to disperse and move away from each other. The clamping mechanism 3 is in a fully released state. The precision motor end cap to be processed can be placed smoothly between the dispersed sets of clamping blocks 31 by manual labor or a robot, completing the initial placement and positioning of the blank workpiece. The drive mechanism 4 is started, and the motor 41 runs to drive the active... Gear 42 meshes with driven gear 43, driving support shaft 5 to rotate turntable 2 smoothly. The clamping mechanism 3 carrying the workpiece gradually moves away from the loading and unloading station. As turntable 2 rotates, ball bearing 35 disengages from arc groove 6 and directly adheres to the flat top surface of base box 1. The top surface of base box 1 lifts ball bearing 35 upward, pushing support frame 34 upward, compressing outer spring 36. Telescopic column 37 retracts synchronously to complete vertical limiting. Support frame 34 rises, pulling the four hinged connecting rods 33 inward. Connecting rods 33 push slider 32 radially inward along the slide groove of turntable 2. Sliding, all clamping blocks 31 converge synchronously, automatically centering and firmly clamping the motor end cover. The clamping state is stable and reliable. The turntable 2 stops precisely at the cutting station, keeping the workpiece clamped. The equipment completes the cutting processes of the motor end cover's shape, end face, and holes. After the cutting process is completed, the drive mechanism 4 drives the turntable 2 to rotate again, transferring the clamped workpiece to the grinding station, maintaining the clamping and fixing, and completing the workpiece surface deburring, fine grinding, and other finishing operations. After all machining processes are completed, the turntable 2 continues to rotate, delivering the finished product. The workpiece is transported back to the loading and unloading station. The bottom ball bearing 35 of the workpiece support frame 34 is automatically released and slides back into the arc groove 6. Losing the planar top support force, the compressed spring 36 rebounds and extends, pushing the support frame 34 to reset and move downward. The connecting rod 33 then opens outward, pulling the slider 32 and the clamping block 31 to spread outward in sync, automatically releasing the clamping restraint on the motor end cover. The operator or robot arm removes the finished motor end cover and immediately puts in a brand new blank to be processed. The equipment repeats the above process to achieve continuous and uninterrupted batch processing.

[0044] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A multi-station composite processing equipment, characterized in that: include: The bottom box (1) is rotatably connected to a support shaft (5). Turntable (2), the turntable (2) is located on the top of the base box (1), and the bottom of the turntable (2) is fixedly connected to the top of the support shaft (5); Multiple clamping mechanisms (3) are arranged in a ring at equal intervals on the top of the turntable (2). Each clamping mechanism (3) includes multiple radially sliding clamping blocks (31) and a transmission component for driving the clamping blocks (31) to move closer or further away. Drive mechanism (4), which is installed inside the base box (1) and is used to drive the support shaft (5) to rotate at a certain angle; The transmission components include a support frame (34), a telescopic column (37), a spring (36), a connecting rod (33), and a ball bearing (35). The top of the telescopic column (37) is fixedly connected to the bottom of the turntable (2), and the bottom of the telescopic column (37) is fixedly connected to the support frame (34). The spring (36) is sleeved on the outside of the telescopic column (37). Several connecting rods (33) are hinged to the top of the support frame (34). A ball bearing (35) is installed at the bottom of the support frame (34). An arc-shaped groove (6) matching the ball bearing (35) is opened on the top surface of the bottom box (1).

2. The multi-station composite processing equipment according to claim 1, characterized in that, Each of the clamping blocks (31) has a slider (32) fixedly connected to its bottom. The top of the turntable (2) has several radial through slots. The slider (32) is inserted into the through slot and slides radially with the through slot.

3. The multi-station composite processing equipment according to claim 1, characterized in that, The clamping block (31) is arc-shaped, and a silicone pad is provided on the inner side of the clamping block (31).

4. The multi-station composite processing equipment according to claim 1, characterized in that, One end of the connecting rod (33) is hinged to the top of the support frame (34), and the other end of the connecting rod (33) is hinged to the corresponding slider (32). The vertical lifting motion of the support frame (34) can be converted into the radial opening and closing sliding motion of the slider (32) and the clamping block (31) through the connecting rod (33).

5. The multi-station composite processing equipment according to claim 1, characterized in that, The ball bearing (35) and the top surface of the bottom box (1) and the arc groove (6) are all in rolling contact fit.

6. The multi-station composite processing equipment according to claim 1, characterized in that, The two ends of the arc-shaped groove (6) are chamfered.

7. A multi-station composite processing equipment according to claim 1, characterized in that, The drive mechanism (4) includes a motor (41) and a driven gear (43). The motor (41) is fixed inside the base box (1), and the driven gear (43) is fixedly sleeved on the outer wall of the support shaft (5). The output end of the motor (41) is keyed to a drive gear (42) that meshes with the driven gear (43).

8. A multi-station composite processing equipment according to claim 7, characterized in that, The motor (41) has a self-locking function.

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