Automatic nail pressing equipment for motor rotor

Abstract

The utility model relates to the technical field of production machinery, in particular to automatic nail pressing equipment for a motor rotor, which comprises a machine table frame, a vibrating disc arranged at the upper end of the machine table frame and a workbench arranged in the middle of the machine table frame, one side of the vibrating disc is connected with a material conveying pipe I, and the other end of the material conveying pipe I is connected with a nail distributor. The lower end of the nail distributor is connected with a second conveying pipe, the other end of the second conveying pipe is connected with a nail feeding device, a movable press-fitting device is arranged on the workbench, a rotor press-fitting station is arranged in the middle of the workbench, and a grabbing device is further installed on one side of the workbench. Automatic production of the motor rotor is achieved through automatic discharging of the vibrating disc, sequential arrangement of rivets through the rivet distributor, automatic rivet feeding through the rivet feeding device and automatic press fitting through the press fitting device, and compared with the prior art that rivets need to be manually placed, the motor rotor automatic press fitting machine is completely mechanically produced, production efficiency is greatly improved, and production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of production machinery, and particularly refers to an automatic nail-pressing device for motor rotors. Background Art

[0002] A motor rotor is formed by stacking multiple alloy sheets together and adding permanent magnets. During the manufacturing of the rotor, in order to ensure the stability and tightness of the stacked alloy sheets, multiple through holes are provided on the alloy sheets, and they are connected by pressing cylindrical nails. After the nails are pressed in, subsequent operations are carried out at both ends of the nails to expand the outer diameters at both ends to form riveting; and pressing nails is not a seemingly simple task. Since the nails and the alloy sheets are in a tight fit, manual operation is very troublesome and it is difficult to guarantee the quality. Therefore, a nail-pressing device is required during the manufacturing of the motor to ensure the effect and quality of nail-pressing, thereby ensuring the quality of the manufacturing of the motor rotor.

[0003] For example, in a Chinese utility model with the publication number CN209881614U, there is disclosed an automatic nail-pressing die for a permanent magnet motor rotor, which includes a frame, a workbench arranged on the frame, an upper die and a lower die arranged on the workbench, and a driving device for driving the upper die to approach or move away from the lower die. The lower die includes a base arranged on the workbench, a support table arranged above the base and movably connected to the base, a plurality of positioning holes arranged on the support table, ejector pins fixedly connected to the base and arranged corresponding to the positioning holes, and a guiding mechanism arranged between the support table and the base.

[0004] The support table, the positioning holes and the ejector pins of this product form the main components for pressing nails. Together with the upper die and the guiding mechanism, a complete nail-pressing device is formed, which avoids damage to the rotor caused by manual nail-pressing. However, this product still requires manual placement of the rivets, which is time-consuming and laborious. Therefore, it is necessary to further improve this product. Summary of the Invention

[0005] The purpose of the utility model is to provide an automatic nail-pressing device for motor rotors, which solves the problem of high cost caused by manual placement of rivets in the prior art.

[0006] The purpose of the present utility model is achieved as follows: An automatic nail - pressing device for a motor rotor includes a machine - table frame, a vibrating disk arranged at the upper end of the machine - table frame, and a workbench arranged in the middle of the machine - table frame. One side of the vibrating disk is connected with a first feeding pipe, the other end of the first feeding pipe is connected with a nail - separating device, the lower end of the nail - separating device is connected with a second feeding pipe, and the other end of the second feeding pipe is connected with a nail - feeding device. A movable pressing device is arranged on the workbench, and a pressing plate is fixedly installed at the output end of the pressing device. A rotor - pressing station is arranged in the middle of the workbench, and a positioning hole for placing rivets is opened in the rotor - pressing station. The nail - feeding devices are arranged on both sides of the rotor - pressing station, and a grasping device is also installed on one side of the workbench.

[0007] Preferably, columns are arranged around the workbench, mounting plates are fixedly installed at the upper ends of the columns, and the pressing device is installed at the upper end of the mounting plate.

[0008] Preferably, a connecting plate is further installed at the output end of the pressing device, a smooth rod is arranged at the other end of the connecting plate, an induction coil is sleeved on the outer periphery of the upper end of the smooth rod, and an induction component for the induction coil to abut against is installed at the upper end of the mounting plate.

[0009] Preferably, the nail - separating devices are fixedly installed on both sides of the pressing device. The nail - separating device includes a connecting fixing plate fixed on the mounting plate, a power source is fixedly installed at one end of the connecting fixing plate, a movable nail - separating block is connected to one end of the power source, a plurality of through - holes one for steel needles to pass through are opened in the nail - separating block, an inclined groove for the rivet to move is formed at the upper end of the through - hole one, and a mounting seat for accommodating the nail - separating block is installed at the other end of the connecting fixing plate.

[0010] Preferably, a cover plate is arranged at the upper end of the nail - separating block, a plurality of guiding tubes are installed on the cover plate, and a second limiting block is arranged at the other end of the nail - separating block.

[0011] Preferably, the nail - feeding device includes a nail - feeding base fixed on the workbench, a sliding table is installed at the upper end of the nail - feeding base, a movable stroke - adjusting base is arranged on the sliding table, a nail - feeding plate is installed on the stroke - adjusting base, and a plurality of through - holes two for steel needles to pass through are opened at one end of the nail - feeding plate.

[0012] Preferably, the rotor - pressing station includes a base and a movable plate. A reset spring is installed on the inner circumference of the base, and an installation groove for the reset spring to abut against is opened at the lower end of the movable plate.

[0013] Preferably, a plurality of ejector pins are annularly installed on the base, positioning holes for the ejector pins to pass through are opened in the movable plate, a plurality of guiding columns are annularly arranged on the base, and guiding holes for the guiding columns to pass through are opened in the movable plate.

[0014] Preferably, a number of limit posts are annularly installed on the base, a first limit block is arranged at the upper end of the limit post, and a limit groove for the first limit block to be inserted into is formed in the movable plate.

[0015] Preferably, the grasping device includes a first slide module fixed on the workbench, a cross column is movably installed at the upper end of the first slide module, a second slide module is fixedly installed on one side of the cross column, a cylinder fixing plate is movably installed on the other side of the second slide module, a rotary cylinder is installed on one side of the cylinder fixing plate, and a clamp is arranged at one end of the rotary cylinder.

[0016] The prominent and beneficial technical effects of the present utility model compared with the prior art are:

[0017] The present utility model realizes the automated production of the motor rotor through the automatic blanking of the vibrating disk, the sequential arrangement of rivets by the nail distributor, the automatic nail feeding of the nail feeding device, and the automatic press fitting of the press fitting device. Compared with the prior art that requires manual placement of rivets, this product completely adopts mechanized production, greatly improving the production efficiency and reducing the production cost. Description of the Drawings

[0018] Figure 1 is a three-dimensional structural schematic diagram of the present utility model.

[0019] Figure 2 is a partial structural schematic diagram of the present utility model.

[0020] Figure 3 is a structural schematic diagram of the press fitting device.

[0021] Figure 4 is a structural schematic diagram of the nail distributor.

[0022] Figure 5 is a structural schematic diagram of the nail feeding device.

[0023] Figure 6 is an exploded view of the rotor press fitting station.

[0024] Figure 7 is a front view of the rotor press fitting station.

[0025] Figure 8 is Figure 7 a cross-sectional view taken along line A-A in

[0026] Figure 9 is a structural schematic diagram of the grasping device.

[0027] Figure 10 is a structural schematic diagram of the nail distributor when receiving nails.

[0028] Figure 11 is a structural schematic diagram of the nail distributor when feeding nails.

[0029] Reference Numerals: 1 - Machine Frame; 2 - Vibration Bowl; 3 - Feeding Pipe 1; 4 - Nail Separator; 5 - Feeding Pipe 2; 6 - Workbench; 7 - Nail Feeding Device; 8 - Rotor Pressing Station; 9 - Pressing Device; 10 - Mounting Plate; 11 - Base; 12 - Movable Plate; 13 - Return Spring; 14 - Mounting Groove; 15 - Thimble; 16 - Positioning Hole; 17 - Guide Post; 18 - Guide Hole; 19 - Limit Post; 20 - Limit Block; 21 - Limit Groove; 22 - Positioning Block; 23 - Caliper; 24 - Nail Feeding Plate; 25 - Pressing Plate; 26 - Gripping Device; 27 - Column; 28 - Connecting Plate; 29 - Smooth Rod

[0030] 30 - Induction Coil; 31 - Induction Component; 32 - Connecting Fixed Plate; 33 - Power Source; 34 - Nail Separating Block

[0031] 35 - Through Hole 1; 36 - Inclined Groove; 37 - Mounting Base; 38 - Cover Plate; 39 - Guide Pipe; 40 - Limit Block 2; 41 - Nail Feeding Base; 42 - Slide Table; 43 - Stroke Adjustment Base; 44 - Through Hole 2; 45 - Slide Table Module 1

[0032] 46 - Cross Column; 47 - Slide Table Module 2; 48 - Cylinder Fixed Plate; 49 - Rotary Cylinder Detailed Embodiment

[0033] The following further elaborates on the detailed embodiment of the present utility model in conjunction with the accompanying drawings.

[0034] In conjunction with Figure 1 and Figure 2 , it includes a machine frame 1, a vibration bowl 2 arranged at the upper end of the machine frame 1, and a workbench 6 arranged in the middle of the machine frame 1. One side of the vibration bowl 2 is connected to a feeding pipe 1, the other end of the feeding pipe 1 is connected to a nail separator 4, the lower end of the nail separator 4 is connected to a feeding pipe 2, the other end of the feeding pipe 2 is connected to a nail feeding device 7. A movable pressing device 9 is arranged on the workbench 6, and a pressing plate 25 is fixedly installed at the output end of the pressing device 9. A rotor pressing station 8 is arranged in the middle of the workbench 6, and a positioning hole 16 for placing rivets is opened in the rotor pressing station 8. The nail feeding devices 7 are arranged on both sides of the rotor pressing station 8. A gripping device 26 is also installed on one side of the workbench 6. In this product, the vibration bowl 2 stores rivets, and then the rivets required for processing are conveyed to the nail separator 4 through the feeding pipe 1. After being sorted and arranged at the nail separator 4, the rivets are sequentially conveyed to the nail feeding device 7 through the feeding pipe 2, and then the nail feeding device 7 places the rivets on the rotor pressing station 8. At this time, the gripping device 26 places the rotor on the upper end of the rotor pressing station 8. Finally, driven by the pressing device 9, automatic riveting is realized. The entire process has no manual participation, high efficiency, and can reduce labor costs. Among them, the power source of the pressing device 9 can adopt a gas-liquid booster cylinder, an electric cylinder or an oil cylinder.

[0035] To increase the stability of the press-fitting device 9 during press riveting, as Figure 2 shown, columns 27 are provided around the workbench 6. An installation plate 10 is fixedly installed at the upper ends of the columns 27. The press-fitting device 9 is installed at the upper end of the installation plate 10. Further, a pressure plate 25 is fixedly installed at the output end of the press-fitting device 9. Fixing with the columns 27 can prevent the press-fitting device 9 from shaking during processing, and installing the pressure plate 25 can further increase the stability during press riveting.

[0036] Further, to improve the automation level, as Figure 3 shown, a connecting plate 28 is also installed at the output end of the press-fitting device 9. A light rod 29 is provided at the other end of the connecting plate 28. An induction coil 30 is sleeved on the outer periphery of the upper end of the light rod 29. An induction component 31 for the induction coil 30 to abut against is installed at the upper end of the installation plate 10. When the press-fitting device 9 is driven, it drives the connecting plate 28 and the light rod 29 to move synchronously, so that the induction coil 30 abuts against or moves away from the induction component 31, completing the signal transmission and realizing the start or stop of automatic processing.

[0037] To avoid overlapping placement of rivets, in combination with Figure 4 and Figure 10 , nail distributors 4 are fixedly installed on both sides of the press-fitting device 9. The nail distributor 4 includes a connecting fixing plate 32 fixed on the installation plate 10. A power source 33 is fixedly installed at one end of the connecting fixing plate 32. A movable nail separating block 34 is connected to one end of the power source 33. A plurality of through holes one 35 for steel needles to pass through are formed in the nail separating block 34. An inclined groove 36 for the rivet to move is formed at the upper end of the through hole one 35. An installation seat 37 for accommodating the nail separating block 34 is installed at the other end of the connecting fixing plate 32. The rivets are arranged in sequence through the through holes one 35, and then driven by the power source 33 to push the nail separating block 34, so that the through holes one 35 are connected to the second feeding pipe 5, and the rivets then enter the nail feeding device 7.

[0038] Further, to avoid breakage and deformation of the redundant rivets in the nail distributor, as Figure 10 and Figure 11 shown, a cover plate 38 is provided at the upper end of the nail separating block 34. A plurality of guiding pipes 39 are installed on the cover plate 38. A limiting block two 40 is provided at the other end of the nail separating block 34. When the nail separating block 34 is pushed forward, the required rivets enter the nail feeding device 7, while the redundant rivets pass through the inclined groove 36 and return to the guiding pipes 39 again.

[0039] To realize automatic nail feeding, as Figure 5As shown in the figure, the nail feeding device 7 includes a nail feeding base 41 fixed on the workbench 6. A sliding table 42 is installed at the upper end of the nail feeding base 41. A movable stroke adjusting base 43 is arranged on the sliding table 42. A nail feeding plate 24 is installed on the stroke adjusting base 43. A plurality of through holes two 44 for steel nails to pass through are opened at one end of the nail feeding plate 24. The sliding table 42 is started to move the stroke adjusting base 43, driving the nail feeding plate 24 to reach the designated position. Then the rivets fall out through the through holes two 44.

[0040] To realize the automatic reset of the rotor pressing station, in combination with Figure 6 and Figure 7 , the rotor pressing station 8 includes a base 11 and a movable plate 12. A reset spring 13 is installed on the inner circumference of the base 11. An installation groove 14 for the reset spring 13 to abut against is opened at the lower end of the movable plate 12. By setting the reset spring 13, the movable plate 12 can always return to the preset position.

[0041] Furthermore, as shown in Figure 6 and Figure 8 , a plurality of ejector pins 15 are annularly installed on the base 11. A positioning hole 16 for the ejector pins 15 to pass through is opened on the movable plate 12. A plurality of guide posts 17 are annularly arranged on the base 11. A guide hole 18 for the guide posts 17 to pass through is opened on the movable plate 12. A plurality of limit posts 19 are annularly installed on the base 11. A limit block one 20 is arranged at the upper end of the limit post 19. A limit groove 21 for the limit block one 20 to be clamped into is opened on the movable plate 12. The rivets fall from the through holes two 44 into the positioning holes 16. When the movable plate 12 descends, the ejector pins 15 abut against the rivets, making the rivets clamped into the rotor to complete the processing. At the same time, the guide posts 17 are set to prevent the movable plate 12 from deflecting.

[0042] To realize the automatic loading and unloading of the motor rotor, in combination with Figure 9 , the grasping device 26 includes a sliding table module one 45 fixed on the workbench 6. A cross column 46 is movably installed at the upper end of the sliding table module one 45. A sliding table module two 47 is fixedly installed on one side of the cross column 46. A cylinder fixing plate 48 is movably installed on the other side of the sliding table module two 47. A rotary cylinder 49 is installed on one side of the cylinder fixing plate 48. A clamp 23 is arranged at one end of the rotary cylinder 49. The radial movement of the clamp 23 is realized through the sliding table module one 45, and the vertical movement of the clamp 23 is realized through the sliding table module two 47. The rotary cylinder 49 can realize the flipping of the clamp 23.

[0043] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and what is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. An automatic nail - pressing device for a motor rotor, characterized in that, It includes a machine frame (1), a vibrating bowl (2) arranged at the upper end of the machine frame (1), and a workbench (6) arranged in the middle of the machine frame (1). One side of the vibrating bowl (2) is connected with a first feeding pipe (3), the other end of the first feeding pipe (3) is connected with a nail distributor (4), the lower end of the nail distributor (4) is connected with a second feeding pipe (5), and the other end of the second feeding pipe (5) is connected with a nail feeding device (7). A movable pressing device (9) is arranged on the workbench (6), and a pressing plate (25) is fixedly installed at the output end of the pressing device (9). A rotor pressing station (8) is arranged in the middle of the workbench (6), and a positioning hole (16) for placing rivets is opened in the rotor pressing station (8). The nail feeding devices (7) are arranged on both sides of the rotor pressing station (8), and a grasping device (26) is also installed on one side of the workbench (6).

2. The automatic nail pressing device for a motor rotor according to claim 1, characterized in that: Columns (27) are arranged around the workbench (6), and a mounting plate (10) is fixedly installed at the upper end of the columns (27). The pressing device (9) is installed at the upper end of the mounting plate (10).

3. The automatic motor rotor nail pressing device according to claim 2, characterized in that: A connecting plate (28) is also installed at the output end of the pressing device (9). A light rod (29) is arranged at the other end of the connecting plate (28). An induction coil (30) is sleeved on the outer periphery of the upper end of the light rod (29). An induction component (31) for the induction coil (30) to abut against is installed at the upper end of the mounting plate (10).

4. An automatic motor rotor nail pressing device according to claim 2, characterized in that: The nail distributors (4) are fixedly installed on both sides of the pressing device (9). The nail distributor (4) includes a connecting fixing plate (32) fixed on the mounting plate (10). A power source (33) is fixedly installed at one end of the connecting fixing plate (32). A movable nail dividing block (34) is connected to one end of the power source (33). A plurality of through holes one (35) for steel needles to pass through are opened in the nail dividing block (34). An inclined groove (36) for the rivet to move is formed at the upper end of the through hole one (35). A mounting seat (37) for accommodating the nail dividing block (34) is installed at the other end of the connecting fixing plate (32).

5. The automatic nail pressing device for a motor rotor according to claim 4, characterized in that: A cover plate (38) is arranged at the upper end of the nail dividing block (34). A plurality of guiding pipes (39) are installed on the cover plate (38). A limiting block two (40) is arranged at the other end of the nail dividing block (34).

6. The automatic nail pressing device for a motor rotor according to claim 1, wherein: The nail feeding device (7) includes a nail feeding base (41) fixed on the workbench (6). A sliding table (42) is installed at the upper end of the nail feeding base (41). A movable stroke adjusting base (43) is arranged on the sliding table (42). A nail feeding plate (24) is installed on the stroke adjusting base (43). A plurality of through holes two (44) for steel nails to pass through are opened at one end of the nail feeding plate (24).

7. An automatic motor rotor nail pressing device according to claim 1, characterized in that: The rotor pressing station (8) includes a base (11) and a movable plate (12). A return spring (13) is installed on the inner periphery of the base (11). An installation groove (14) for the return spring (13) to abut against is opened at the lower end of the movable plate (12).

8. An automatic nail pressing device for a motor rotor according to claim 7, characterized in that: A plurality of ejector pins (15) are annularly installed on the base (11). The movable plate (12) is provided with positioning holes (16) for the ejector pins (15) to pass through. A plurality of guide posts (17) are annularly arranged on the base (11). The movable plate (12) is provided with guide holes (18) for the guide posts (17) to pass through.

9. The automatic nail pressing device for a motor rotor according to claim 7, characterized in that: A plurality of limit posts (19) are annularly installed on the base (11). A first limit block (20) is arranged at the upper end of the limit post (19). The movable plate (12) is provided with a limit groove (21) for the first limit block (20) to be inserted into.

10. The automatic motor rotor nail pressing device according to claim 1, characterized in that: The grasping device (26) includes a first sliding table module (45) fixed on the workbench (6). A cross column (46) is movably installed at the upper end of the first sliding table module (45). A second sliding table module (47) is fixedly installed on one side of the cross column (46). A cylinder fixing plate (48) is movably installed on the other side of the second sliding table module (47). A rotary cylinder (49) is installed on one side of the cylinder fixing plate (48). A clamp (23) is arranged at one end of the rotary cylinder (49).

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