A rotor press-fitting device with automatically adjustable angle

Abstract

The present invention discloses a rotor press-fitting device with an automatically adjustable angle, which effectively improves the angle press-fitting accuracy during rotor assembly. The device includes: a workbench and a top plate fixedly connected to the upper side of the workbench; a clamping and positioning assembly for clamping and positioning the workpiece; a press-fitting assembly for driving the clamping and positioning assembly and the workpiece to move up and down together; a rotary positioning assembly for adjusting the angle of the workpiece. The rotary positioning assembly cooperates with the press-fitting assembly to assemble the workpiece. The structure of the present invention is novel, ingeniously conceived, and simple and convenient to operate. It effectively increases the overall stability of the device, makes the press-fitting process of the rotor more stable, facilitates the clamping of the magnetic steel block and the end plate, can clamp the end plate and the magnetic steel block more stably, facilitates the accurate positioning and automatic detection of the end plate and the magnetic steel block, can detect the assembly position of the end plate and the magnetic steel block, and can accurately adjust the angle.

Description

Technical Field

[0001] The present invention belongs to the technical field of motor rotor press-fitting, and relates to a rotor press-fitting device capable of automatically adjusting the angle. Background Art

[0002] In the process of rotor production, it is necessary to insert magnetic steel into the rotor shaft to form a permanent magnet rotor. At present, the magnetic steel is inserted manually. Due to the high magnetism of the magnetic steel, during the insertion process, the suction force between the magnetic steel and the rotor is large. Workers need to overcome the strong suction force. The magnetic steel insertion intensity is high, time-consuming and laborious, and the production efficiency is low;

[0003] In addition, when inserting the magnetic steel, it is necessary to adjust its angle relative to the rotor shaft. In the existing installation process, the adjustment process is very laborious. Therefore, a rotor press-fitting device capable of automatically adjusting the angle is needed to solve the above problems. Summary of the Invention

[0004] In view of the above problems, the present invention provides a rotor press-fitting device capable of automatically adjusting the angle, which well solves the problems in the prior art.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0006] A rotor press-fitting device capable of automatically adjusting the angle, comprising:

[0007] A workbench and a top plate fixedly connected to the upper side of the workbench, and the workbench and the top plate cooperate with each other to support the whole device;

[0008] A clamping and positioning assembly, located between the workbench and the top plate, for clamping and positioning the workpiece; the clamping and positioning assembly includes: a clamping part for clamping the workpiece; a positioning part for positioning the workpiece before the clamping part clamps the workpiece; an induction part for detecting whether the workpiece moves in place relative to the clamping part and sending a signal to make the clamping part clamp the workpiece;

[0009] A press-fitting assembly fixedly connected to the middle of the top plate, and the lower end of the press-fitting assembly is connected to the clamping and positioning assembly for driving the clamping and positioning assembly and the workpiece to move up and down together;

[0010] A rotation and positioning assembly for adjusting the angle of the workpiece, fixedly connected to the middle of the workbench, the rotation and positioning assembly and the clamping and positioning assembly are on the same vertical axis, and the rotation and positioning assembly and the press-fitting assembly cooperate with each other to assemble the workpiece;

[0011] The rotation and positioning assembly includes a hollow rotating platform and a buffer part for inserting the workpiece, and the buffer part is located above the hollow rotating platform and fixedly connected to the rotating end of the hollow rotating platform.

[0012] Preferably, a plurality of support columns are provided on the upper side of the workbench, and the top of each support column is fixedly connected to the top plate.

[0013] Preferably, the press-fitting assembly includes a servo electric cylinder, a connecting plate, a linear bearing, and guide rods corresponding to the number of the linear bearings;

[0014] The servo electric cylinder is fixedly connected to the middle of the top plate, the output end of the servo electric cylinder passes through the top plate and is fixedly connected to the upper side of the connecting plate, the linear bearing is fixedly connected to the top plate, the inner hole of the linear bearing is slidably connected to the guide rod, and the lower end of the guide rod is fixedly connected to the upper end of the connecting plate.

[0015] Preferably, the clamping and positioning assembly further includes:

[0016] An assembly plate and a connecting column, the connecting column is fixedly connected to the upper side of the assembly plate, the upper side of the connecting column is connected to the moving end of the press-fitting assembly, and a circular groove is formed on the upper side of the assembly plate.

[0017] Preferably, the clamping portion includes: a support plate, a cylinder mounting plate, a jaw cylinder, at least two clamping plates, and pads corresponding to the clamping plates one by one;

[0018] The support plate is fixedly connected to the upper side of the assembly plate, the cylinder mounting plate is fixedly connected to the side of the support plate away from the circular groove, the jaw cylinder is fixedly connected to the side wall of the cylinder mounting plate, the clamping plate is fixedly connected to the output end of the jaw cylinder, and each pad is fixedly connected to the corresponding clamping plate.

[0019] Preferably, the positioning portion includes a first cylinder bracket, a first thin cylinder, a square block, a second cylinder bracket, a second thin cylinder, and a limit post;

[0020] The first cylinder bracket is fixedly connected to the inside of the circular groove, the first thin cylinder is fixedly connected to the upper side of the first cylinder bracket, and the output end of the first thin cylinder extends below the first cylinder bracket and is fixedly connected to the upper end of the square block;

[0021] The second cylinder bracket is fixedly connected to the inside of the circular groove, the second thin cylinder is fixedly connected to the upper side of the second cylinder bracket, and the output end of the second thin cylinder extends below the second cylinder bracket and is fixedly connected to the upper end of the limit post.

[0022] Preferably, the sensing portion includes a reset group and diffuse reflection photoelectrics corresponding to the number of the reset groups;

[0023] The reset group includes an L-shaped support block, a resisting post, a reset spring, and a limit plug;

[0024] The L-shaped support block is fixedly connected inside the circular groove. The abutting column is slidably connected to the upper part of the L-shaped support block. The limiting plug is detachably connected to the upper end of the abutting column. The lower end of the abutting column penetrates through the circular groove and extends below the assembly plate. The return spring is sleeved in the middle of the abutting column, and the two ends of the return spring are respectively in contact with the inner surface of the circular groove and the lower surface of the L-shaped support block;

[0025] The diffuse reflection photoelectric is fixedly connected to the upper side of the assembly plate and is used to detect the position of the limiting plug.

[0026] Preferably, the rotation positioning assembly further includes a mounting plate, a base, a connecting member, a positioning block and a receiving seat;

[0027] The mounting plate is fixedly connected to the middle of the workbench. The hollow rotary platform is fixedly connected to the mounting plate. The base is detachably connected to the bottom of the hollow rotary platform. The connecting member passes through the hollow rotary platform and is detachably connected to the base. A groove for installing the positioning block is opened at one end of the connecting member close to the base. The positioning block is detachably connected inside the groove. The receiving seat is detachably connected to one end of the connecting member away from the base.

[0028] Preferably, the buffer part includes a movable plate, a fixed plate, a plurality of sliding rods and buffer springs corresponding to the sliding rods one by one;

[0029] The fixed plate is fixedly connected to the output end of the hollow rotary platform. The sliding rods penetrate and are slidably arranged around the fixed plate. The upper end of each sliding rod is fixedly connected to the bottom of the movable plate. Each buffer spring is sleeved outside the corresponding sliding rod. The two ends of the buffer spring are respectively abutted against the upper side of the fixed plate and the lower side of the movable plate. The receiving seat is fixedly connected to the movable plate.

[0030] Compared with the prior art, the present invention has the following beneficial effects:

[0031] 1. The present invention has a rotation positioning assembly. By setting the rotation positioning assembly, the workpiece can be driven to rotate, and thus the assembly angle can be automatically adjusted.

[0032] 2. The present invention has a clamping and positioning assembly, which can not only accurately position the workpiece during the workpiece assembly process, but also clamp and position the workpiece.

[0033] 3. The present invention has a pressing assembly on the same vertical line as the rotation positioning assembly, which can accurately assemble the workpiece and improve the assembly accuracy. Description of the Drawings

[0034] Figure 1Schematic diagram of the overall structure of the present invention.

[0035] Figure 2 Schematic diagram of the structure of the guide rod in the present invention.

[0036] Figure 3 Exploded structure diagram of the assembly plate and the support plate in the present invention.

[0037] Figure 4 Schematic diagram of the positions of the limit post and the square block in the present invention.

[0038] Figure 5 Schematic diagram of the cooperation state of the receiving seat and the movable plate in the present invention.

[0039] Figure 6 Schematic diagram of the position of the positioning block in the present invention.

[0040] Figure 7 Exploded structure diagram of the receiving seat and the movable plate in the present invention.

[0041] Figure 8 Exploded structure diagram of the positioning block and the connecting piece in the present invention.

[0042] In the figure: 1, fixed column; 2, clamping and positioning assembly; 3, rotating and positioning assembly; 4, top plate; 5, pressing assembly; 6, support column; 7, workbench; 8, rotor shaft; 9, end groove; 10, key groove; 11, adapter hole; 12, magnetic steel block; 13, end plate; 14, movable plate; 15, fixed plate; 16, sliding rod; 17, buffer spring; 18, mounting plate; 19, hollow rotating platform; 20, servo electric cylinder; 21, guide rod; 22, linear bearing; 23, connecting plate; 24, connecting column; 25, assembly plate; 26, auxiliary block; 27, pin slot; 28, positioning pin; 29, limit plug; 30, thin cylinder II; 31, abutting column; 32, L-shaped support block; 33, cylinder bracket II; 34, limit post; 35, diffuse reflection photoelectric; 36, thin cylinder I; 37, return spring; 38, cylinder bracket I; 39, square block; 40, support plate; 41, cylinder mounting plate; 42, jaw cylinder; 43, clamping plate; 44, cushion block; 45, pre-positioning plate; 46, receiving seat; 47, connecting piece; 48, positioning block; 49, base; 50, open groove. Detailed implementation manners

[0043] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described 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. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0044] The following further elaborates on the specific implementation manners of the present invention in conjunction with the attached drawings. Figures 1 - 8 As shown in the figures, in order to improve the angular press-fitting accuracy during rotor assembly, the present invention includes a workbench 7 and a top plate 4 fixedly connected to the upper side of the workbench 7. The workbench 7 and the top plate 4 cooperate to support the entire device.

[0045] As Figures 1 - 8 shown, a clamping and positioning assembly 2 is located between the workbench 7 and the top plate 4 and is used for clamping and positioning the workpiece.

[0046] A press-fitting assembly 5 is fixedly connected to the middle of the top plate 4. The lower end of the press-fitting assembly 5 is connected to the clamping and positioning assembly 2 and is used to drive the clamping and positioning assembly 2 and the workpiece to move up and down together.

[0047] A rotary positioning assembly 3 is used for angular adjustment of the workpiece, is fixedly connected to the middle of the workbench 7, and is on the same vertical axis as the clamping and positioning assembly 2. The rotary positioning assembly 3 and the press-fitting assembly 5 cooperate to assemble the workpiece.

[0048] It should be further noted that the workpiece adapted to the present invention is a rotor, which includes a rotor shaft 8, two end plates 13, and a plurality of magnet blocks 12. The two end plates 13 and the plurality of magnet blocks 12 are all sleeved on the outer side of the rotor shaft 8. The two end plates 13 are in opposite directions, and the plurality of magnet blocks 12 are placed between the two end plates 13. A keyway 10 is provided on the outer peripheral side wall of each magnet block 12. The number of magnet blocks 12 is determined according to actual product requirements.

[0049] During use, the rotor shaft 8 can be positioned through the rotary positioning assembly 3. Then, the end plate 13 is installed on the clamping and positioning assembly 2, and the end plate 13 is pressed down through the press-fitting assembly 5 to cooperate with the rotor shaft 8. After the press-fitting assembly 5 drives the clamping and positioning assembly 2 to reset, the operator can then cooperate the magnet block 12 with the clamping and positioning assembly 2, and then under the action of the press-fitting assembly 5, the magnet block 12 is cooperated with the rotor shaft 8. During the installation process of the plurality of magnet blocks 12, the rotary positioning assembly 3 will rotate by a certain angle, so that there is a certain angular difference between the plurality of magnet blocks 12, thereby improving the angular press-fitting accuracy during rotor assembly. When all the magnet blocks 12 are assembled, the second end plate 13 can be cooperated with the rotor shaft 8 in the same way, and the overall assembly of the rotor workpiece is completed.

[0050] Furthermore, as

[0051] shown, in order to increase the overall stability of the device, four support columns 6 are provided on the upper side of the workbench 7, and the top of each support column 6 is fixedly connected to the top plate 4. Figure 1 ​

[0052] Furthermore, as shown by Figure 1 and Figure 2 In order to make the press-fitting process more stable, the press-fitting assembly 5 includes a servo electric cylinder 20, a connecting plate 23, a linear bearing 22, and guide rods 21 corresponding to the number of linear bearings 22;

[0053] The servo electric cylinder 20 is fixedly connected to the middle of the top plate 4. The output end of the servo electric cylinder 20 passes through the top plate 4 and is fixedly connected to the upper side of the connecting plate 23. The linear bearing 22 is disposed through the top plate 4 and is fixedly connected to the top plate 4. The inner hole of the linear bearing 22 is slidably connected to the guide rod 21, and the lower end of the guide rod 21 is fixedly connected to the upper end of the connecting plate 23;

[0054] It should be noted that in this embodiment, the number of the guide rods 21 and the linear bearings 22 is four. The four guide rods 21 are distributed in a rectangular array around the servo electric cylinder 20. A U-shaped plate is provided on the upper side of the guide rod 21, and the upper side of each guide rod 21 is fixedly connected to the U-shaped plate, which can increase the stability of the guide rod 21 and the connection.

[0055] Furthermore, as shown by Figure 1 and Figures 3 - 4 In order to facilitate the clamping of the magnet block 12 and the end plate 13, the clamping and positioning assembly 2 includes:

[0056] An assembly plate 25 and a connecting column 24. The connecting column 24 is fixedly connected to the upper side of the assembly plate 25. The upper side of the connecting column 24 is connected to the moving end of the press-fitting assembly 5. A circular groove is provided on the upper side of the assembly plate 25;

[0057] A clamping part for clamping the magnet block 12 and the end plate 13;

[0058] A positioning part for positioning the workpiece before the clamping part clamps the workpiece;

[0059] An induction part for detecting whether the magnet block 12 and the end plate 13 are engaged with the assembly plate 25 and sending a signal to cause the clamping part to clamp the workpiece;

[0060] It should be noted that in this embodiment, the circular groove is used to fix the positioning part and the induction part. The number of the connecting columns 24 is four, and the upper side of each connecting column 24 is fixedly connected to the lower side of the connection;

[0061] During use, the end plate 13 and the magnet block 12 can be positioned through the positioning part, the installation positions of the end plate 13 and the magnet block 12 are detected under the action of the induction part, and then the end plate 13 and the magnet block 12 are clamped under the action of the clamping part.

[0062] Furthermore, as shown by Figure 1 and Figures 3 - 4As shown, in order to hold the end plate 13 and the magnet block 12 more stably, the clamping part includes: a support plate 40, a cylinder mounting plate 41, a jaw cylinder 42, at least two clamping plates 43, and a spacer 44 corresponding to each clamping plate 43;

[0063] The support plate 40 is fixedly connected to the upper side of the assembly plate 25. The cylinder mounting plate 41 is fixedly connected to the side of the support plate 40 away from the circular groove. The jaw cylinder 42 is fixedly connected to the side wall of the cylinder mounting plate 41. The clamping plate 43 is fixedly connected to the output end of the jaw cylinder 42. Each spacer 44 is fixedly connected to the corresponding clamping plate 43.

[0064] Further, as shown by Figure 1 and Figures 3 - 4 in order to facilitate the accurate positioning and automatic detection of the end plate 13 and the magnet block 12, the positioning part includes a cylinder support one 38, a thin cylinder one 36, a square block 39, a cylinder support two 33, a thin cylinder two 30, and a limit post 34;

[0065] The cylinder support one 38 is fixedly connected inside the circular groove. The thin cylinder one 36 is fixedly connected to the upper side of the cylinder support one 38. The output end of the thin cylinder one 36 extends below the cylinder support one 38 and is fixedly connected to the upper end of the square block 39. The lower end of the square block 39 penetrates through the circular groove and extends below the assembly plate 25;

[0066] The cylinder support two 33 is fixedly connected inside the circular groove. The thin cylinder two 30 is fixedly connected to the upper side of the cylinder support two 33. The output end of the thin cylinder two 30 extends below the cylinder support two 33 and is fixedly connected to the upper end of the limit post 34. The lower end of the limit post 34 penetrates through the circular groove and extends below the assembly plate 25.

[0067] Further, as shown by Figure 1 and Figures 3 - 4 in order to detect the assembly positions of the end plate 13 and the magnet block 12, the induction part includes a reset group and a diffuse reflection photoelectric 35 corresponding to the number of the reset groups;

[0068] The reset group includes an L-shaped support block 32, a resisting post 31, a reset spring 37, and a limit plug 29;

[0069] The L-shaped support block 32 is fixedly connected inside the circular groove. The resisting post 31 is slidably connected to the upper part of the L-shaped support block 32. The limit plug 29 is detachably connected to the upper end of the resisting post 31 by a bolt. The lower end of the resisting post 31 penetrates through the circular groove and extends below the assembly plate 25. The reset spring 37 is sleeved on the middle of the resisting post 31. The two ends of the reset spring 37 are respectively in contact with the inner surface of the circular groove and the lower surface of the L-shaped support block 32;

[0070] The diffuse reflection photoelectric sensor 35 is fixedly connected to the upper side of the mounting plate 25 and is used to detect the position of the limit plug 29;

[0071] It should be noted that in this embodiment, the number of the reset group and the reset diffuse reflection photoelectric sensor 35 is 2;

[0072] It should be further noted that the clamping and positioning assembly 2 further includes an auxiliary assembly. The auxiliary assembly includes a fixing column 1, a pin slot 27, an auxiliary block 26 and a positioning pin 28. The fixing column 1 is fixedly connected to the bottom of the top plate 4. The auxiliary block 26 is fixedly connected to one side of the bottom of the connecting plate 23 close to the fixing column 1. A pin slot 27 adapted to the positioning pin 28 is provided on the fixing column 1; when disassembling, replacing and maintaining the rotary positioning assembly 3, the auxiliary block 26 and the fixing column 1 are relatively fixedly connected through the positioning pin 28 to prevent the clamping and positioning assembly 2 from falling, reducing the risk;

[0073] End slots 9-1 and 9-2 are respectively provided on the upper and lower sides of the end plate 13 and are adapted to the square block 39; Adaptation holes 11 adapted to the limit posts 34 are provided on both the upper and lower sides of the magnet block 12 and can cooperate with the limit posts 34; A pre-positioning plate 45 for pre-installing the end plate 13 or the magnet block 12 is fixedly provided at the bottom of the mounting plate 25;

[0074] During use, manually place the end plate 13 or the magnet block 12 below the mounting plate 25;

[0075] When clamping the end plate 13, the thin cylinder 1 36 pushes the square block 39 downward. Manually align any one of the end slots 9-1 or 9-2 on the end plate 13 with the square block 39. After alignment, push the end plate 13 upward so that the square block 39 is inserted into the end slot 9-1 or 9-2. During this process, the end plate 13 presses against the abutting post 31, and the abutting post 31 moves upward. At this time, after the diffuse reflection photoelectric sensor 35 senses the existence of the upper end of the abutting post 31, it will give a signal to start the jaw cylinder 42 to make the two clamping plates 43 approach each other, thereby clamping the end plate 13. At this time, the staff can let go, and thus the clamping and positioning of the end plate 13 is completed;

[0076] When clamping the magnet block 12, the thin cylinder 2 30 pushes the limit post 34 downward. Manually align the adaptation hole 11 at a specific position on the magnet block 12 with the limit post 34 according to the actual product. After alignment, push the magnet block 12 upward so that the limit post 34 is inserted into the corresponding adaptation hole 11. During this process, the magnet block 12 presses against the abutting post 31, and the abutting post 31 moves upward. At this time, after the diffuse reflection photoelectric sensor 35 senses the existence of the upper end of the abutting post 31 and gives a signal, the jaw cylinder 42 is started to make the two clamping plates 43 approach each other, thereby clamping the magnet block 12. At this time, the staff can let go, and thus the clamping and positioning of the magnet block 12 is completed;

[0077] When clamping is performed by the clamping jaws, under the action of the spacer block 44, damage to the end plate 13 and the magnet block 12 can be reduced;

[0078] Furthermore, as Figure 1 and Figures 5 - 8 shown, in order to accurately adjust the angle, the rotation positioning assembly 3 includes a mounting plate 18, a hollow rotating platform 19, a base 49, a connecting member 47, a positioning block 48, a receiving seat 46 and a buffer portion;

[0079] The mounting plate 18 is fixedly connected to the middle of the workbench 7, the hollow rotating platform 19 is fixedly connected to the mounting plate 18, the base 49 is detachably connected to the bottom of the hollow rotating platform 19 by bolts, the connecting member 47 passes through the hollow rotating platform 19 and is detachably connected to the base 49 by bolts. A groove for installing the positioning block 48 is provided at one end of the connecting member 47 close to the base 49, and the positioning block 48 is detachably connected to the inside of the groove by bolts, and the receiving seat 46 is detachably connected to one end of the connecting member 47 far from the base 49 by bolts.

[0080] Furthermore, as Figure 1 and Figures 5 - 8 shown, in order to increase the service life of the hollow rotating platform 19, the buffer portion includes a movable plate 14, a fixed plate 15, a plurality of sliding rods 16 and buffer springs 17 corresponding to the sliding rods 16 one by one;

[0081] The fixed plate 15 is fixedly connected to the output end of the hollow rotating platform 19, the sliding rods 16 are arranged through and slidably around the fixed plate 15, the upper end of each sliding rod 16 is fixedly connected to the bottom of the movable plate 14, each buffer spring 17 is sleeved on the outside of the corresponding sliding rod 16, and both ends of the buffer spring 17 are respectively abutted against the upper side of the fixed plate 15 and the lower side of the movable plate 14, and the receiving seat 46 is fixedly connected to the movable plate 14;

[0082] In this embodiment, the number of the sliding rods 16 is four;

[0083] It should be further noted that there are two symmetrically distributed opening grooves 50 at the bottom of the rotor shaft 8. In order to prevent the rotor shaft 8 inserted into the connecting member 47 from shaking and misaligning during rotation, a protrusion integrally formed with the positioning block 48 is provided at the end of the positioning block 48 close to the opening groove 50. When the rotor shaft 8 is inserted into the connecting member 47, the two opening grooves 50 at the bottom of the rotor shaft 8 are exactly engaged with the protrusions of the positioning block 48 at the corresponding positions, thereby realizing the positioning of the rotor shaft 8;

[0084] In use, the rotor shaft 8 is inserted into the interior of the connecting member 47 through the receiving seat 46. To ensure that the key grooves 10 of multiple magnet blocks 12 are misaligned at a certain angle, the hollow rotating platform 19 drives the fixed plate 15, the sliding rod 16, and the movable plate 14 to drive the receiving seat 46 to rotate, and then drives the rotor shaft 8 to rotate through the connecting member 47 and the positioning block 48 to ensure precise misalignment; during the press-fitting of the end plate 13 and the magnet block 12, the buffer spring 17 buffers part of the pressure and reduces the extrusion on the hollow rotating platform 19.

[0085] When the present invention is in use, during the rotor assembly process:

[0086] First, the rotor shaft 8 is inserted into the interior of the connecting member 47 through the receiving seat 46, and with the assistance of the positioning block 48, the rotor shaft 8 is stabilized inside the connecting member 47;

[0087] Second, the staff first places the first end plate 13 below the pre-positioning plate 45. The thin cylinder 1 36 pushes the square block 39 downward, so that the lower end of the square block 39 extends below the pre-positioning plate 45. The staff aligns any one of the end slots 9 two on the first end plate 13 with the lower end of the square block 39. During the process of the staff pushing the end plate 13 upward to engage with the square block 39, the end plate 13 pushes the abutting post 31 upward. When the diffuse reflection photoelectric 35 senses the upper end of the abutting post 31, the diffuse reflection photoelectric 35 gives a signal, and the jaw cylinder 42 starts two clamping plates 43 to approach each other to clamp the end plate 13;

[0088] Subsequently, the servo electric cylinder 20 pushes the assembly plate 25 downward until the first end plate 13 is press-fitted onto the rotor shaft 8 to complete the press-fitting of the first end plate 13;

[0089] Then, the servo electric cylinder 20 moves the clamping and positioning assembly 2 upward to the original position. The staff places the magnet block 12 below the pre-positioning plate 45. The thin cylinder 2 30 pushes the limiting post 34 downward, so that the lower end of the limiting post 34 extends below the pre-positioning plate 45. The staff aligns the already determined mating hole 11 on the magnet block 12 with the lower end of the limiting post 34. During the process of the staff pushing the magnet block 12 upward to engage with the limiting post 34, the magnet block 12 pushes the abutting post 31 upward. When the diffuse reflection photoelectric 35 senses the upper end of the abutting post 31, the diffuse reflection photoelectric 35 gives a signal, and the jaw cylinder 42 starts two clamping plates 43 to approach each other to clamp the magnet block 12;

[0090] Immediately afterwards, the servo electric cylinder 20 pushes the assembly plate 25 downward until the magnet block 12 is press-fitted onto the rotor shaft 8 to complete the press-fitting of the magnet block 12;

[0091] Furthermore, when continuing to press-fit the magnet blocks 12, in order to cause the key grooves 10 on the circumferences of multiple magnet blocks 12 to be offset at a certain angle, before the press-fitting, the hollow rotary platform 19 drives the rotor shaft 8 to rotate by a certain angle;

[0092] Moreover, in order to ensure that the key grooves 10 on multiple magnet blocks 12 are in the same viewing direction, when clamping the magnet blocks 12, the position where the next magnet block 12 engages with the limit post 34 (i.e., the engagement of the mating hole 11 and the limit post 34) is determined according to the press-fitted magnet block 12 until multiple magnet blocks 12 are press-fitted;

[0093] Finally, the tooling personnel place the second end plate 13 below the pre-positioning. The thin cylinder 1 36 pushes the square block 39 downward, so that the lower end of the square block 39 extends below the pre-positioning plate 45. The staff aligns any one of the end slots 9 on the first end plate 13 with the lower end of the square block 39, and then repeats the steps of press-fitting the first end plate 13;

[0094] The above process realizes the press-fitting of the rotor.

[0095] The structure of the present invention is novel, ingeniously conceived, and simple and convenient to operate. Through this design, the angular press-fitting accuracy during rotor assembly is effectively improved, the overall stability of the device is increased, the press-fitting process of the rotor is made more stable, the clamping of the magnet blocks 12 and the end plates 13 is facilitated, the end plates 13 and the magnet blocks 12 can be clamped more stably, the accurate positioning and automatic detection of the end plates 13 and the magnet blocks 12 are facilitated, the assembly positions of the end plates 13 and the magnet blocks 12 can be detected, and the angle can be accurately adjusted.

[0096] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they 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 within the protection scope of the present invention.

Claims

1. A rotor press-fitting device capable of automatically adjusting the angle, characterized in that: include: A workbench and a top plate fixedly connected to the upper side of the workbench, wherein the workbench and the top plate cooperate to support the entire device; A clamping and positioning assembly is located between the workbench and the top plate, and is used to clamp and position the workpiece; the clamping and positioning assembly comprises: a clamping portion, used to clamp the workpiece; a positioning portion, used to position the workpiece before the clamping portion clamps the workpiece; and a sensing portion, used to detect whether the workpiece moves into position relative to the clamping portion, and sends a signal to enable the clamping portion to clamp the workpiece. A press-fitting assembly, fixedly connected to the middle of the top plate, wherein the lower end of the press-fitting assembly is connected to the clamping and positioning assembly, and is used to drive the clamping and positioning assembly and the workpiece to move up and down together; A rotary positioning assembly, used for adjusting the angle of the workpiece, fixedly connected to the middle of the workbench, the rotary positioning assembly and the clamping positioning assembly are on the same vertical axis, and the rotary positioning assembly cooperates with the press-fit assembly to assemble the workpiece; The rotation positioning assembly includes a hollow rotating platform and a buffer portion for inserting a workpiece, wherein the buffer portion is located on the upper portion of the hollow rotating platform and is fixedly connected to the rotating end of the hollow rotating platform; The rotary positioning assembly also includes a mounting plate, a base, a connecting piece, a positioning block and a receiving seat; the mounting plate is fixedly connected to the middle of the workbench, the hollow rotating platform is fixedly connected to the mounting plate, the base is detachably connected to the bottom of the hollow rotating platform, the connecting piece passes through the hollow rotating platform and is detachably connected to the base, a groove for installing the positioning block is provided at one end of the connecting piece close to the base, the positioning block is detachably connected to the inside of the groove, and the receiving seat is detachably connected to one end of the connecting piece away from the base; The buffer part includes a movable plate, a fixed plate, a plurality of sliding rods and buffer springs corresponding to the sliding rods one by one; the fixed plate is fixedly connected to the output end of the hollow rotating platform, the sliding rods are slidably arranged around the fixed plate, the upper end of each sliding rod is fixedly connected to the bottom of the movable plate, each buffer spring is sleeved on the outer side of the corresponding sliding rod, the two ends of the buffer spring are respectively abutted against the upper side of the fixed plate and the lower side of the movable plate, and the receiving seat is fixedly connected to the movable plate.

2. The rotor press-fitting device capable of automatically adjusting the angle according to claim 1, characterized in that: A plurality of support columns are arranged on the upper side of the workbench, and the top of each support column is fixedly connected to the top plate.

3. The rotor press-fitting device capable of automatically adjusting the angle according to claim 1, characterized in that: The press-fit assembly includes a servo electric cylinder, a connecting plate, a linear bearing, and guide rods corresponding to the number of the linear bearings; The servo electric cylinder is fixedly connected to the middle part of the top plate, the output end of the servo electric cylinder passes through the top plate and is fixedly connected to the upper side of the connecting plate, the linear bearing is fixedly connected to the top plate, the inner hole of the linear bearing is slidably connected to the guide rod, and the lower end of the guide rod is fixedly connected to the upper end of the connecting plate.

4. The rotor press-fitting device capable of automatically adjusting the angle according to claim 1, characterized in that: The clamping and positioning assembly also includes: The assembly plate and the connecting column are fixedly connected to the upper side of the assembly plate, the upper side of the connecting column is connected to the moving end of the press-fit assembly, and a circular groove is opened on the upper side of the assembly plate.

5. The rotor press-fitting device capable of automatically adjusting the angle according to claim 4, characterized in that: The clamping part comprises: a support plate, a cylinder mounting plate, a clamping claw cylinder, at least two clamping plates and pads corresponding to the clamping plates one by one; The support plate is fixedly connected to the upper side of the assembly plate, the cylinder mounting plate is fixedly connected to the side of the support plate away from the circular groove, the clamping cylinder is fixedly connected to the side wall of the cylinder mounting plate, the clamping plate is fixedly connected to the output end of the clamping cylinder, and each pad is fixedly connected to the corresponding clamping plate.

6. The rotor press-fitting device capable of automatically adjusting the angle according to claim 4, characterized in that: The positioning part includes a cylinder bracket 1, a thin cylinder 1, a square block, a cylinder bracket 2, a thin cylinder 2 and a limiting column; The cylinder bracket 1 is fixedly connected to the inside of the circular groove, the thin cylinder 1 is fixedly connected to the upper side of the cylinder bracket 1, and the output end of the thin cylinder 1 extends to the bottom of the cylinder bracket 1 and is fixedly connected to the upper end of the square block; The second cylinder bracket is fixedly connected to the inside of the circular groove, the second thin cylinder is fixedly connected to the upper side of the second cylinder bracket, and the output end of the second thin cylinder extends to the bottom of the second cylinder bracket and is fixedly connected to the upper end of the limiting column.

7. The rotor press-fitting device capable of automatically adjusting the angle according to claim 4, characterized in that: The sensing part includes a reset group and diffuse reflection photoelectric devices corresponding to the number of the reset groups; The reset group includes an L-shaped support block, a support column, a reset spring and a limit block; The L-shaped support block is fixedly connected to the inside of the circular groove, the support column is slidably connected to the upper part of the L-shaped support block, the limit block is detachably connected to the upper end of the support column, the lower end of the support column passes through the circular groove and extends to the bottom of the assembly plate, the return spring is sleeved on the middle part of the support column, and the two ends of the return spring are respectively in contact with the inner surface wall of the circular groove and the lower surface wall of the L-shaped support block; The diffuse reflection photoelectric device is fixedly connected to the upper side of the assembly plate and is used to detect the position of the limit block.

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