Stamping device for stator and rotor iron cores

Abstract

The invention relates to a stamping device for stator and rotor cores, which comprises a mounting table and a die, the upper end of the mounting table is fixedly connected with a fixing block, the rear end of the fixing block is provided with a limiting groove, a lower die holder is slidably connected to the inner side of the limiting groove, and the upper end of the fixing block is provided with a stamping oil cylinder; the left end and the right end of the rear side of the limiting groove are provided with a left check block and a right check block which are rotationally connected to the fixing block, the rear end of the fixing block is provided with a conveying plate slidably connected to the upper end of the mounting table, and the mounting table is provided with a movement driving mechanism capable of driving the conveying plate to move left and right. And a moving mechanism capable of moving the mold is arranged at the rear end of the conveying plate and can rotate the left check block and the right check block, the device automatically replaces the mold, the labor intensity of workers is reduced, and the machining efficiency is high.

Description

Technical Field

[0001] The invention relates to the field of stamping devices, and in particular to a stamping device for stator and rotor cores. Background Art

[0002] The stator and rotor core is formed by stacking a plurality of stator and rotor pieces, and is usually made by a stamping die with multiple stations. For example, the invention patent with application number: CN201720595628.X discloses a stator core forming die, including a die body, the die body including a piece forming step and a piece blanking step, and the piece blanking step is provided with a side material shearing station and a stacking riveting station, and the stacking riveting station includes an upper part and a lower part, the upper part is provided with a stamping punch, and the lower part is provided with a stamping die adapted to the stamping punch. The die needs to be installed on a stamping device for use, but the traditional stamping device is cumbersome to replace the die, and the labor intensity of employees is high, which affects the processing efficiency. Summary of the invention

[0003] The present invention aims to solve the above problems existing in the prior art and provides a punching device for stator and rotor cores, which can automatically replace molds, reduce the labor intensity of employees and have high processing efficiency.

[0004] The present invention solves the technical problem by adopting a technical solution: the stamping device for the stator and rotor core comprises a mounting platform and a die, the die comprising a lower die seat, a lower die mounted on the upper end of the lower die seat, a guide shaft mounted on the upper end of the lower die seat, a guide sleeve slidably connected to the outside of the guide shaft, an upper die seat mounted on the upper end of the guide sleeve, an upper die mounted on the lower end of the upper die seat, and a connecting shaft mounted on the upper end of the upper die seat, the upper end of the mounting platform is fixedly connected to a fixed block, a limiting groove is provided at the rear end of the fixed block, the lower die seat can be slidably connected to the inner side of the limiting groove, the lower die seat can be positioned up and down by the limiting groove, the upper end of the fixed block is fixedly connected to a support column, the upper end of the support column is fixedly connected to a support plate, the upper end of the support plate is fixedly connected to a stamping oil cylinder, the lower end of the stamping oil cylinder is fixedly connected to a fixed shaft, the fixed shaft passes through the support plate, and the lower end of the fixed shaft is fixedly connected to the fixed shaft. The fixed connection is provided with a threaded rod, the lower end of the threaded rod is provided with a locking groove, the outer side of the threaded rod is threadedly connected with a threaded cover, the inner side of the threaded cover is clamped with a collet, the collet is slidably connected to the inner side of the locking groove, the locking groove is adapted to the outer surface of the collet, the connecting shaft is slidably connected to the inner side of the collet, the left end of the rear side of the limiting groove is provided with a left stopper rotatably connected to the fixed block, the rear end of the left stopper is fixedly connected to the left gear, the left end of the rear side of the limiting groove is provided with a lower rotating groove opened on the fixed block, the left stopper is slidably connected to the inner side of the lower rotating groove, the right end of the rear side of the limiting groove is provided with a right stopper rotatably connected to the fixed block, the rear end of the right stopper is fixedly connected to the right gear, the right end of the rear side of the limiting groove is provided with an upper rotating groove opened on the fixed block, the right stopper is slidably connected to the inner side of the upper rotating groove, the rear end of the fixed block is provided with a sliding groove, the inner side of the sliding groove is slidably connected with a rack, and the rack is meshed with the left gear and the right gear;

[0005] The rear end of the fixed block is provided with a conveying plate slidably connected to the upper end of the mounting platform, and baffles are fixedly connected to the left and right ends of the conveying plate, and the distance between the left and right baffles is adapted to the lower mold seat. A moving driving mechanism capable of driving the conveying plate to move left and right is installed on the mounting platform, and a first positioning groove is opened at the upper end of the conveying plate, and a first mounting frame is slidably connected to the inner side of the first positioning groove, and a first rotating driving mechanism is fixedly connected to the first mounting frame, and a driving gear is fixedly connected to the front end of the first rotating driving mechanism, and the first rotating driving mechanism can drive the driving gear to rotate, and the driving gear is rotatably connected to the first mounting frame, and the front end of the driving gear is fixedly connected to the first moving block, and the rear end of the lower mold seat is fixedly connected to the moving frame, and the first moving block can be slidably connected to the inner side of the moving frame, and the lower end of the driving gear is meshed with a connecting gear rotatably connected to the first mounting frame, and the connecting gear is meshed with the rack, and the rear end of the mounting frame is fixedly connected to a conveying oil cylinder, and the lower end of the conveying oil cylinder is fixedly connected to a fixed plate, and the fixed plate is fixedly connected to the mounting platform, and a second positioning groove adapted to the first positioning groove is opened on the fixed plate, and the first mounting frame can be slidably connected to the inner side of the second positioning groove, and the front end of the fixed plate is fixedly connected to a limiting plate;

[0006] A plurality of mounting plates are provided at both ends of the fixed plate, and are evenly distributed at equal distances. A positioning frame is fixedly connected to the mounting plate, and the mold can be slidably connected to the inner side of the positioning frame. A third positioning groove matching the first positioning groove is opened on the mounting plate, and a second mounting frame is slidably connected to the inner side of the third positioning groove. A second rotating drive mechanism is fixedly connected to the second mounting frame, and a second moving block is fixedly connected to the front end of the second rotating drive mechanism. The second rotating drive mechanism can drive the second moving block to rotate, and the second moving block is rotatably connected to the second mounting frame. A moving oil cylinder is fixedly connected to the rear end of the second mounting frame, and the moving oil cylinder is fixedly connected to the mounting plate.

[0007] When replacing the mold, the conveying cylinder drives the first mounting frame forward, so that the connecting gear is meshed with the rack, the stamping cylinder drives the threaded rod downward through the fixed shaft, the threaded rod drives the threaded cover downward, the threaded cover drives the connecting shaft downward through the collet, the employee rotates the threaded cover, the threaded cover drives the collet downward, so that the collet expands outward to loosen the connecting shaft, the stamping cylinder drives the collet upward away from the connecting shaft, the first rotary drive mechanism drives the active gear to rotate, the active gear drives the first moving block to rotate, the active gear drives the rack to move through the connecting gear, the rack drives the left gear and the right gear to rotate, and the right gear drives The left end of the right stopper rotates upward, and the right stopper slides into the inner side of the upper rotating groove. The left gear drives the right end of the left stopper to rotate downward, and the left stopper slides into the inner side of the lower rotating groove. The left stopper and the right stopper are away from the lower die seat. At this time, the first moving block is located inside the moving frame, and the conveying cylinder drives the first moving block to move backward. The first moving block drives the mold to move backward away from the limiting groove through the moving frame. The mold slides into the upper end of the conveying plate, and the front and rear positions of the mold are positioned by the limiting plate. The first rotation driving mechanism drives the first moving block to rotate away from the moving frame. The mobile driving mechanism drives the conveying plate to move left and right to a certain position. The second rotation driving mechanism drives the first moving block to rotate away from the moving frame. The second moving block rotates, so that the second moving block slides into the inner side of the moving frame, and the moving cylinder drives the second moving block to move backward. The second moving block drives the mold backward through the moving frame to slide into the upper end of the mounting plate. The mold position is positioned by the positioning frame, and the conveying plate is moved to the required mold position. The moving cylinder pushes the required mold into the upper end of the conveying plate through the second moving block. The conveying plate drives the required mold to move left and right to the rear end of the limiting groove. The conveying cylinder drives the required mold to move forward and slide into the inner side of the limiting groove. The first rotary drive mechanism drives the left gear and the right gear to rotate through the active gear, and the left gear and the right gear drive the left The stop block and the right stop block rotate to position the lower die seat, and at the same time, the stamping cylinder drives the collet to move downward, so that the connecting shaft slides into the inside of the collet. The employee rotates the threaded cover, and the threaded cover drives the collet to move upward, so that the collet contracts and locks the connecting shaft. The mold can be replaced automatically, which reduces the labor intensity of employees and has high processing efficiency. The rack is located at the lower end of the limit groove and will not affect the movement of the lower die seat. The limit plate can locate the position of the mold to prevent the conveying cylinder from pulling the mold too far back and away from the conveying plate. The left stop block and the right stop block can restrict each other, so that when the connecting gear is away from the rack, the left gear and the right gear will not rotate.

[0008] In order to further improve it, an adjusting gear is fixedly connected to the outside of the threaded cover, a locking motor is fixedly connected to the first mounting frame, a locking gear is fixedly connected to the upper end of the locking motor, the locking gear is rotatably connected to the first mounting frame, the locking gear can engage with the adjusting gear, the locking motor drives the locking gear to rotate, the locking gear drives the adjusting gear to rotate, the adjusting gear drives the threaded cover to rotate, the threaded cover drives the collet to move upward, the collet contracts through the locking groove to lock and fix the connecting shaft, so that the device can automatically lock and fix the connecting shaft, reduce the labor intensity of workers, and improve work efficiency.

[0009] Further improvement, the first rotation drive mechanism and the second rotation drive mechanism are motors or rotary cylinders.

[0010] Further improvement, the mobile drive mechanism includes a conveying motor fixedly connected to the mounting platform, a screw is threadedly connected to the lower end of the conveying plate, the screw is rotatably connected to the mounting platform, and the screw is fixedly connected to the conveying motor.

[0011] For further improvement, the lower end of the conveying plate is fixedly connected with a slider, the upper end of the mounting platform is fixedly connected with a guide rail, and the slider is slidably connected to the outside of the guide rail, so that the conveying effect of the conveying plate is better.

[0012] For further improvement, the front end of the conveying cylinder is provided with a first guide plate fixedly connected to the fixed plate, the piston rod of the conveying cylinder is slidably connected to the first guide plate, the front end of the moving cylinder is provided with a second guide plate fixedly connected to the mounting plate, and the piston rod of the moving cylinder is slidably connected to the second guide plate, so that the conveying effect of the conveying cylinder and the moving cylinder is better.

[0013] For further improvement, a positioning plate fixedly connected to the mounting platform is provided at the front end of the mounting plate, and the positioning plate is located at the front end of the conveying plate. The positioning plate can locate the position of the mold to prevent the moving cylinder from pushing the mold away from the conveying plate, thereby making the device more effective.

[0014] The beneficial effects of the present invention are: it can automatically replace molds, reduce the labor intensity of employees, and have high processing efficiency. The left block and the right block can restrict each other, so that when the connecting gear is away from the rack, the left gear and the right gear will not rotate. The device can automatically lock and fix the connecting shaft, reduce the labor intensity of workers, and improve work efficiency. The conveying effect of the conveying cylinder and the moving cylinder is good. The limit plate can locate the position of the mold to prevent the conveying cylinder from pulling the mold too far back and away from the conveying plate. The positioning plate can locate the position of the mold to prevent the moving cylinder from pushing the mold away from the conveying plate, so that the use effect of the device is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the present invention;

[0016] Figure 2 It is a structural schematic diagram of the mold of the present invention;

[0017] Figure 3 It is a structural schematic diagram of the punching cylinder of the present invention;

[0018] Figure 4 It is a structural schematic diagram of the fixing block of the present invention;

[0019] Figure 5 is a cross-sectional view of the threaded cap of the present invention;

[0020] Figure 6It is a structural schematic diagram of the mounting platform of the present invention;

[0021] Figure 7 It is a structural schematic diagram of the conveying plate of the present invention;

[0022] Figure 8 It is a structural schematic diagram of the mounting plate of the present invention.

[0023] Description of the accompanying drawings: 1. mounting table; 2. fixing block; 21. limiting groove; 211. upper rotating groove; 212. lower rotating groove; 22. slide groove; 23. supporting column; 231. supporting plate; 24. stamping cylinder; 241. fixing shaft; 242. threaded rod; 243. locking groove; 25. threaded cover; 251. collet; 252. adjusting gear; 26. left stopper; 261. left gear; 27. right stopper; 271. right gear; 28. rack; 3. mold; 31. lower mold base; 311. moving frame; 32. lower mold; 33. upper mold; 34. upper mold base; 341. connecting shaft; 35. guide sleeve; 36. guide shaft; 4. conveying plate; 41. The first positioning groove; 42, the slider; 421, the guide rail; 43, the lead screw; 431, the conveying motor; 44, the baffle; 45, the fixing plate; 451, the limit plate; 452, the second positioning groove; 46, the conveying cylinder; 461, the first guide plate; 47, the first mounting frame; 471, the connecting gear; 48, the first rotating drive mechanism; 481, the driving gear; 482, the first moving block; 49, the locking motor; 491, the locking gear; 5, the mounting plate; 51, the third positioning groove; 52, the moving cylinder; 521, the second guide plate; 53, the second mounting frame; 54, the second rotating drive mechanism; 541, the second moving block; 55, the positioning frame; 56, the positioning plate. DETAILED DESCRIPTION

[0024] The present invention will be further described below in conjunction with the accompanying drawings:

[0025] like Figure 1-Figure 5As shown: In this embodiment, a stamping device for a stator and rotor core includes a mounting platform 1 and a mold 3. The mold 3 includes a lower mold base 31, a lower mold 32 mounted on the upper end of the lower mold base 31, a guide shaft 36 mounted on the upper end of the lower mold base 31, a guide sleeve 35 slidably connected to the outer side of the guide shaft 36, an upper mold base 34 mounted on the upper end of the guide sleeve 35, an upper mold 33 mounted on the lower end of the upper mold base 34, and a connecting shaft 341 mounted on the upper end of the upper mold base 34. The upper end of the mounting platform 1 is fixedly connected to a fixed block 2, and a limiting groove 21 is provided at the rear end of the fixed block 2. The lower mold base 31 can be slidably connected to the limiting groove 21. On the inner side of the positioning groove 21, the lower die seat 31 can be positioned up and down through the limiting groove 21, the upper end of the fixed block 2 is fixedly connected to the support column 23, the upper end of the support column 23 is fixedly connected to the support plate 231, the upper end of the support plate 231 is fixedly connected to the stamping cylinder 24, the lower end of the stamping cylinder 24 is fixedly connected to the fixed shaft 241, the fixed shaft 241 passes through the support plate 231, the lower end of the fixed shaft 241 is fixedly connected to the threaded rod 242, the lower end of the threaded rod 242 is provided with a locking groove 243, the outer side of the threaded rod 242 is threadedly connected to the threaded cover 25, the inner side of the threaded cover 25 is clamped with a collet 251, and the collet 251 is clamped The locking groove 243 is slidably connected to the inner side of the locking groove 243, and the locking groove 243 is adapted to the outer surface of the collet 251. The connecting shaft 341 can be slidably connected to the inner side of the collet 251. The left end of the rear side of the limiting groove 21 is provided with a left stopper 26 rotatably connected to the fixed block 2, and the rear end of the left stopper 26 is fixedly connected to a left gear 261. The left end of the rear side of the limiting groove 21 is provided with a lower rotating groove 212 opened on the fixed block 2, and the left stopper 26 is slidably connected to the inner side of the lower rotating groove 212. The right end of the rear side of the limiting groove 21 is provided with a right stopper 27 rotatably connected to the fixed block 2, and the rear end of the right stopper 27 is fixedly connected to a right gear 271. An upper rotating groove 211 opened on the fixed block 2 is provided at the right end of the rear side of the groove 21, and the right stopper 27 is slidably connected to the inner side of the upper rotating groove 211. A sliding groove 22 is opened at the rear end of the fixed block 2, and a rack 28 is slidably connected to the inner side of the sliding groove 22. The rack 28 is meshed with the left gear 261 and the right gear 271. An adjusting gear 252 is fixedly connected to the outer side of the threaded cover 25, and a locking motor 49 is fixedly connected to the first mounting frame 47. A locking gear 491 is fixedly connected to the upper end of the locking motor 49. The locking gear 491 is rotatably connected to the first mounting frame 47, and the locking gear 491 can mesh with the adjusting gear 252.

[0026] like Figure 1 and Figure 3-Figure 7As shown: the rear end of the fixed block 2 is provided with a conveying plate 4 slidably connected to the upper end of the mounting platform 1, and the left and right ends of the conveying plate 4 are fixedly connected with baffles 44, the lower end of the conveying plate 4 is threadedly connected with a lead screw 43, the lead screw 43 is rotatably connected to the mounting platform 1, the right end of the lead screw 43 is fixedly connected to a conveying motor 431, and the conveying motor 431 is fixedly connected to the mounting platform 1, the lower end of the conveying plate 4 is fixedly connected with a slider 42, the upper end of the mounting platform 1 is fixedly connected with a guide rail 421, the slider 42 is slidably connected to the outer side of the guide rail 421, the upper end of the conveying plate 4 is provided with a first positioning groove 41, the inner side of the first positioning groove 41 is slidably connected with a first mounting frame 47, and the first mounting frame 47 is fixedly connected with a first rotation driving mechanism 48, the first rotation driving mechanism 48 is a motor or a rotating cylinder, and the front end of the first rotation driving mechanism 48 is fixedly connected with a driving gear 481, the first rotation driving mechanism 48 can drive the driving gear 481 to rotate, and the driving gear 481 rotates and is connected Connected to the first mounting frame 47, the front end of the driving gear 481 is fixedly connected to the first moving block 482, the rear end of the lower die base 31 is fixedly connected to the moving frame 311, the first moving block 482 is slidably connected to the inner side of the moving frame 311, the lower end of the driving gear 481 is meshed with a connecting gear 471 rotatably connected to the first mounting frame 47, the connecting gear 471 is meshed with the rack 28, the rear end of the mounting frame is fixedly connected to the conveying cylinder 46, the lower end of the conveying cylinder 46 is fixedly connected to the fixing plate 45, the fixing plate 45 is fixedly connected to the mounting platform 1, the fixing plate 45 is provided with a second positioning groove 452 adapted to the first positioning groove 41, the first mounting frame 47 is slidably connected to the inner side of the second positioning groove 452, the front end of the fixing plate 45 is fixedly connected to the limiting plate 451, the front end of the conveying cylinder 46 is provided with a first guide plate 461 fixedly connected to the fixing plate 45, and the piston rod of the conveying cylinder 46 is slidably connected to the first guide plate 461.

[0027] like Figure 1 and Figure 6 and Figure 8As shown: a plurality of equidistant and evenly distributed mounting plates 5 are provided at both ends of the fixed plate 45, a positioning frame 55 is fixedly connected to the mounting plate 5, a third positioning groove 51 matching the first positioning groove 41 is opened on the mounting plate 5, a second mounting frame 53 is slidably connected to the inner side of the third positioning groove 51, a second rotating drive mechanism 54 is fixedly connected to the second mounting frame 53, the second rotating drive mechanism 54 is a motor or a rotating cylinder, a second moving block 541 is fixedly connected to the front end of the second rotating drive mechanism 54, the second rotating drive mechanism 54 can drive the second moving block 541 to rotate, the second moving block 541 is rotatably connected to the second mounting frame 53, a moving cylinder 52 is fixedly connected to the rear end of the second mounting frame 53, the moving cylinder 52 is fixedly connected to the mounting plate 5, a second guide plate 521 fixedly connected to the mounting plate 5 is provided at the front end of the moving cylinder 52, a piston rod of the moving cylinder 52 is slidably connected to the second guide plate 521, a positioning plate 56 fixedly connected to the mounting platform 1 is provided at the front end of the mounting plate 5, and the positioning plate 56 is located at the front end of the conveying plate 4.

[0028] When the present invention is in use: when the mold 3 is replaced, the delivery cylinder 46 drives the first mounting bracket 47 to move forward, so that the connecting gear 471 is meshed with the rack 28, the stamping cylinder 24 drives the threaded rod 242 to move downward through the fixed shaft 241, the threaded rod 242 drives the threaded cover 25 to move downward, the threaded cover 25 drives the connecting shaft 341 to move downward through the collet 251, the threaded cover 25 drives the adjusting gear 252 to move downward, so that the adjusting gear 252 is meshed with the locking gear 491, the locking motor 49 drives the locking gear 491 to rotate, the locking gear 491 drives the threaded cover 25 to rotate through the adjusting gear 252, the threaded cover 25 drives the collet 251 to move downward, so that the collet 251 expands outward to loosen the connecting shaft 341, and the stamping cylinder 24 drives the collet 251 to move upward far The first rotating drive mechanism 48 drives the driving gear 481 to rotate, and the driving gear 481 drives the first moving block 482 to rotate. The driving gear 481 drives the rack 28 to move through the connecting gear 471. The rack 28 drives the left gear 261 and the right gear 271 to rotate. The right gear 271 drives the left end of the right stopper 27 to rotate upward, and the right stopper 27 slides into the inner side of the upper rotating groove 211. The left gear 261 drives the right end of the left stopper 26 to rotate downward, and the left stopper 26 slides into the inner side of the lower rotating groove 212. The left stopper 26 and the right stopper 27 are away from the lower die seat 31. At this time, the first moving block 482 is located inside the moving frame 311, and the conveying cylinder 46 drives the first moving block 482 to move backward. The first moving block 482 passes through the moving frame 311. The mold 3 is driven to move backward away from the limiting groove 21, and the mold 3 slides into the upper end of the conveying plate 4. The front and rear positions of the mold 3 are positioned by the limiting plate 451. The first rotary drive mechanism 48 drives the first moving block 482 to rotate away from the moving frame 311. The conveying motor 431 drives the lead screw 43 to rotate, and the lead screw 43 drives the conveying plate 4 to move left and right to a certain position. The second rotary drive mechanism 54 drives the second moving block 541 to rotate, so that the second moving block 541 slides into the inner side of the moving frame 311. The moving cylinder 52 drives the second moving block 541 to move backward. The second moving block 541 drives the mold 3 to move backward and slide into the upper end of the mounting plate 5 through the moving frame 311. The mold 3 position is positioned by the positioning frame 55. The conveying plate 4 is moved to the required mold 3 position. The moving cylinder 52 is driven by the The required mold 3 is pushed into the upper end of the conveying plate 4 through the second moving block 541, the second rotary drive mechanism 54 drives the second moving block 541 away from the moving frame 311, the conveying plate 4 drives the required mold 3 to move left and right to the rear end of the limiting groove 21, the first rotary drive mechanism 48 drives the first moving block 482 to slide into the inner side of the moving frame 311, the conveying cylinder 46 drives the required mold 3 to move forward and slide into the inner side of the limiting groove 21, the first rotary drive mechanism 48 drives the left gear 261 and the right gear 271 to rotate through the active gear 481, the left gear 261 and the right gear 271 drive the left stopper 26 and the right stopper 27 to rotate to position the lower mold base 31, and at the same time the stamping cylinder 24 drives the collet 251 to move downward, so that the connecting shaft 341 slides into the inner side of the collet 251,The locking motor 49 drives the locking gear 491 to rotate, and the locking gear 491 drives the threaded cover 25 to rotate through the adjusting gear 252, and the threaded cover 25 drives the collet 251 to move upward, so that the collet 251 contracts to lock and fix the connecting shaft 341, and the mold 3 can be automatically replaced, which reduces the labor intensity of employees and has high processing efficiency.

[0029] Although the present invention has been shown and described with reference to preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A stamping device for a stator and rotor core, comprising a mounting platform (1), a die (3), the die (3) comprising a lower die base (31), a lower die (32) mounted on the upper end of the lower die base (31), a guide shaft (36) mounted on the upper end of the lower die base (31), a guide sleeve (35) slidably connected to the outer side of the guide shaft (36), an upper die base (34) mounted on the upper end of the guide sleeve (35), an upper die (33) mounted on the lower end of the upper die base (34), and a connecting shaft (341) mounted on the upper end of the upper die base (34), wherein: The upper end of the mounting platform (1) is fixedly connected to a fixing block (2), a limiting groove (21) is provided at the rear end of the fixing block (2), a lower die seat (31) can be slidably connected to the inner side of the limiting groove (21), and the lower die seat (31) can be positioned up and down through the limiting groove (21), a supporting column (23) is fixedly connected to the upper end of the fixing block (2), a supporting plate (231) is fixedly connected to the upper end of the supporting column (23), a stamping oil cylinder (24) is fixedly connected to the upper end of the supporting plate (231), a fixing shaft (241) is fixedly connected to the lower end of the stamping oil cylinder (24), the fixing shaft (241) passes through the supporting plate (231), a threaded rod (242) is fixedly connected to the lower end of the fixing shaft (241), and a locking groove (242) is provided at the lower end of the threaded rod (242). 3), the outer side of the threaded rod (242) is threadedly connected with a threaded cover (25), the inner side of the threaded cover (25) is clamped with a collet (251), the collet (251) is slidably connected to the inner side of the locking groove (243), the locking groove (243) is adapted to the outer surface of the collet (251), the connecting shaft (341) is slidably connected to the inner side of the collet (251), the left end of the rear side of the limiting groove (21) is provided with a left stopper (26) rotatably connected to the fixed block (2), the rear end of the left stopper (26) is fixedly connected with a left gear (261), the left end of the rear side of the limiting groove (21) is provided with a lower rotation groove (212) opened on the fixed block (2), the left stopper (26) is slidably connected to the inner side of the lower rotation groove (212), the right end of the rear side of the limiting groove (21) is provided with A right stopper (27) is rotatably connected to the fixed block (2); a right gear (271) is fixedly connected to the rear end of the right stopper (27); an upper rotating groove (211) opened on the fixed block (2) is provided at the right end of the rear side of the limiting groove (21); the right stopper (27) is slidably connected to the inner side of the upper rotating groove (211); a slide groove (22) is provided at the rear end of the fixed block (2); a rack (28) is slidably connected to the inner side of the slide groove (22); the rack (28) is meshed with the left gear (261) and the right gear (271); a conveying plate (4) slidably connected to the upper end of the mounting platform (1) is provided at the rear end of the fixed block (2); baffles (44) are fixedly connected to the left and right ends of the conveying plate (4); a gear capable of driving the conveying plate (4) to move left and right is installed on the mounting platform (1); The mobile driving mechanism comprises a first positioning groove (41) on the upper end of the conveying plate (4), a first mounting frame (47) is slidably connected to the inner side of the first positioning groove (41), a first rotating driving mechanism (48) is fixedly connected to the first mounting frame (47), a driving gear (481) is fixedly connected to the front end of the first rotating driving mechanism (48), the first rotating driving mechanism (48) can drive the driving gear (481) to rotate, the driving gear (481) is rotatably connected to the first mounting frame (47), a first moving block (482) is fixedly connected to the front end of the driving gear (481), a moving frame (311) is fixedly connected to the rear end of the lower mold base (31), and the first moving block (482) is slidably connected to the inner side of the moving frame (311),The lower end of the driving gear (481) is meshed with a connecting gear (471) rotatably connected to the first mounting frame (47), and the connecting gear (471) is meshed with the rack (28). The rear end of the mounting frame is fixedly connected to a conveying oil cylinder (46), and the lower end of the conveying oil cylinder (46) is fixedly connected to a fixing plate (45). The fixing plate (45) is fixedly connected to the mounting platform (1), and a second positioning groove (452) matching the first positioning groove (41) is formed on the fixing plate (45). The first mounting frame (47) is slidably connected to the inner side of the second positioning groove (452). The front end of the fixing plate (45) is fixedly connected to a limiting plate (451), and a plurality of evenly distributed mounting plates (5) are provided at both left and right ends of the fixing plate (45). The mounting plate (5) is fixedly connected with a positioning frame (55), the mounting plate (5) is provided with a third positioning groove (51) matched with the first positioning groove (41), the inner side of the third positioning groove (51) is slidably connected with a second mounting frame (53), the second mounting frame (53) is fixedly connected with a second rotating drive mechanism (54), the front end of the second rotating drive mechanism (54) is fixedly connected with a second moving block (541), the second rotating drive mechanism (54) can drive the second moving block (541) to rotate, the second moving block (541) is rotatably connected to the second mounting frame (53), the rear end of the second mounting frame (53) is fixedly connected with a moving oil cylinder (52), and the moving oil cylinder (52) is fixedly connected to the mounting plate (5).

2. A stamping device for stator and rotor cores according to claim 1, characterized in that: An adjusting gear (252) is fixedly connected to the outside of the threaded cover (25), a locking motor (49) is fixedly connected to the first mounting frame (47), a locking gear (491) is fixedly connected to the upper end of the locking motor (49), the locking gear (491) is rotatably connected to the first mounting frame (47), and the locking gear (491) can mesh with the adjusting gear (252).

3. A stamping device for stator and rotor cores according to claim 1, characterized in that: The first rotary drive mechanism (48) and the second rotary drive mechanism (54) are motors or rotary cylinders.

4. A stamping device for stator and rotor cores according to claim 1, characterized in that: The first rotary drive mechanism (48) and the second rotary drive mechanism (54) are rotary cylinders.

5. A stamping device for stator and rotor cores according to claim 1, characterized in that: The mobile drive mechanism comprises a conveying motor (431) fixedly connected to the mounting platform (1); a lead screw (43) is threadedly connected to the lower end of the conveying plate (4); the lead screw (43) is rotatably connected to the mounting platform (1); and the lead screw (43) is fixedly connected to the conveying motor (431).

6. A stamping device for stator and rotor cores according to claim 5, characterized in that: The lower end of the conveying plate (4) is fixedly connected with a slider (42), the upper end of the mounting platform (1) is fixedly connected with a guide rail (421), and the slider (42) is slidably connected to the outside of the guide rail (421).

7. A stamping device for stator and rotor cores according to claim 1, characterized in that: The front end of the delivery cylinder (46) is provided with a first guide plate (461) fixedly connected to the fixed plate (45), and the piston rod of the delivery cylinder (46) is slidably connected to the first guide plate (461). The front end of the moving cylinder (52) is provided with a second guide plate (521) fixedly connected to the mounting plate (5), and the piston rod of the moving cylinder (52) is slidably connected to the second guide plate (521).

8. A stamping device for stator and rotor cores according to claim 1, characterized in that: The front end of the mounting plate (5) is provided with a positioning plate (56) fixedly connected to the mounting platform (1), and the positioning plate (56) is located at the front end of the conveying plate (4).

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