CN114951397A - High-precision motor stator high-speed punch forming equipment - Google Patents

Abstract

The application relates to high-precision motor stator high-speed punch forming equipment which comprises a machine body, a workbench, a punch, an automatic feeding device, an upper die and a lower die, wherein the workbench is arranged on the machine body, the punch is arranged on the workbench, the upper die is arranged at the output end of the punch, and the automatic feeding device comprises a driving assembly, a transmission assembly and a feeding assembly; the driving assembly comprises a driving rod, and the driving rod is arranged on the punch; the feeding assembly comprises a feeding bracket connected with the machine body and two feeding rollers rotatably connected to the feeding bracket; the strip steel passes through between the two feeding rollers, and the driving rod is connected with the feeding rollers through the transmission assembly. The feeding operation of the strip steel at the repeated fixed distance is realized, the punching forming operation efficiency and precision of the stator core are effectively improved, and then the production efficiency and the machining precision of the stator core are improved; and the strip steel feeding and the punch forming movement are effectively combined, so that the production cost is saved.

Description

High-speed stamping forming equipment for high-precision motor stator

Technical Field

The application relates to the field of numerical control machine tools, in particular to high-precision motor stator high-speed punch forming equipment.

Background

The iron core of the stator and the rotor of the motor is formed by overlapping silicon steel sheets, the silicon steel sheets are made of strip steel, and the silicon steel sheets are generally stamped and formed on a punch by adopting a progressive die. The related numerical control punching machine mainly comprises a workbench, a punch device, an upper die and a lower die, wherein the punch device is arranged on the workbench, the upper die is arranged at the output end of the punch device, the lower die is matched with the upper die, and the lower die is arranged on the workbench. When the punching operation is carried out, a workpiece is placed on the lower die, and the upper die carries out punching operation on the workpiece on the lower die under the action of the punch device.

In view of the above-mentioned related technologies, the inventor believes that when the related punching machine performs continuous punching operation on strip steel, it is difficult to ensure good fixed-distance feeding precision due to the fact that the strip steel is soft and bendable, and the punching forming quality of products is affected.

Disclosure of Invention

In order to improve the problem, the application provides a high-speed stamping forming equipment of high accuracy motor stator.

The application provides a high accuracy motor stator high speed stamping forming equipment adopts following technical scheme:

a high-precision motor stator high-speed punch forming device comprises a machine body, a workbench, a punch, an upper die and a lower die, wherein the workbench is arranged on the machine body, the punch is installed on the workbench, the upper die is arranged at the output end of the punch, the lower die is matched with the upper die and installed on the workbench, and the high-precision motor stator high-speed punch forming device also comprises an automatic feeding device, and the automatic feeding device comprises a driving assembly, a transmission assembly and a feeding assembly; the driving assembly comprises a driving rod, and the driving rod is arranged on the punch; the feeding assembly comprises a feeding support connected with the side wall of the machine body and two parallel feeding rollers rotatably connected to the feeding support; belted steel is followed two pass through between the feeding roller, the actuating lever passes through drive assembly and is connected with the feeding roller, the actuating lever is used for driving the feeding roller and rotates, the drift is used for providing power to the drive effect of actuating lever.

By adopting the technical scheme, when the strip steel is continuously punched and formed, the strip steel passes through the space between the two feeding rollers, the feeding rollers are abutted to the surface of the strip steel, after one-time punching and forming operation is completed, the punch drives the upper die to move towards the strip steel on the lower die again to perform punching and forming operation, meanwhile, the punch provides power for the transmission assembly through the driving rod, the transmission assembly drives the feeding rollers to rotate, so that the strip steel is conveyed at a fixed distance, the continuous punching and forming operation of the strip steel is realized, and the feeding rollers are utilized to feed the strip steel at a fixed distance, so that the feeding precision is improved, and the punching and forming precision is guaranteed; and the strip steel does not need to be cut off before stamping, so that the processing efficiency is higher.

Preferably, one end of each feeding roller is connected with a feeding gear, and the two feeding gears are meshed with each other; the transmission assembly comprises a transmission pipe and a rotating arm, the transmission pipe is rotatably connected to the feeding support, the transmission pipe is positioned on one side of the feeding roller close to the punch, one end of the rotating arm is fixedly connected with the transmission pipe, and one end of the rotating arm far away from the transmission pipe is positioned at the bottom of the driving rod; one end of the transmission pipe is fixedly connected with a sealing plate, a pawl is rotatably connected to the sealing plate, a transmission gear is rotatably connected to the feeding frame and meshed with one of the feeding gears, a through hole is formed in the transmission gear, the transmission gear is sleeved on the outer side of the pawl through the through hole, a plurality of tooth grooves matched with the pawl are formed in the peripheral side of the through hole, and one end of the pawl is located in the tooth grooves; an elastic reset assembly is arranged between the transmission pipe and the feeding frame and used for driving the transmission pipe to rotate to an initial position.

By adopting the technical scheme, when the punch drives the upper die to approach the lower die for punching operation, the punch drives the driving rod to move downwards, the driving rod is abutted against the rotating arm, the driving rod drives the driving pipe to rotate through the rotating arm, the driving pipe drives the transmission gear to rotate through the pawl, the transmission gear drives the feeding gear to rotate, and then the feeding gear drives the feeding roller to rotate, so that strip steel is driven to move forwards; when replying to the top after the drift accomplishes the punching press, the rocking arm loses the butt effect of actuating lever, and the driving pipe passes through the pawl and is connected with drive gear, then the driving pipe is when the reverse gyration under the effect of elasticity reset assembly, the pawl can not cause the interference to the rotation with the driving pipe, thereby driving pipe and rocking arm are gyration to initial condition under the effect of elasticity reset assembly, then when replying to the top after the drift is accomplished the punching press, the feed roller can not continue to carry belted steel, thereby realize the transport to the fixed distance of belted steel, so that carry out continuous punching press operation to the belted steel, improve the stamping forming machining efficiency of belted steel.

Preferably, the sealing plate is provided with an elastic sheet, one end of the elastic sheet is connected with the pawl, the other end of the elastic sheet is connected with the sealing plate, and the elastic sheet is used for applying a force close to the transmission gear to the pawl.

Through adopting above-mentioned technical scheme, the shell fragment exerts the power that is close to drive gear to the pawl, and the pawl can keep good contact state with drive gear under the effect of shell fragment for the pawl can effectively drive gear, ensures transmission assembly then and is carrying out transmission process's stability.

Preferably, the elastic reset assembly comprises a core rod and a reset torsion spring, the core rod is positioned in the transmission pipe and fixedly connected with the feeding support, the reset torsion spring is sleeved on the core rod, one end of the reset torsion spring is connected with the transmission pipe, and the other end of the reset torsion spring is connected with the core rod.

By adopting the technical scheme, when the transmission pipe rotates under the action of the driving rod, the reset torsion spring is subjected to the twisting action of the transmission pipe; when the rotary arm loses the abutting action of the driving rod, the transmission pipe rotates to an initial state under the action of the torque of the reset torsion spring; the reset torsion spring is installed in the transmission pipe through the core rod, so that the installation space of the reset torsion spring is better, and the stress effect between the transmission pipe and the reset torsion spring is better.

Preferably, the punch is provided with a mounting column, the driving rod penetrates through the mounting column, and the driving rod is in threaded connection with the mounting column.

Through adopting above-mentioned technical scheme, actuating lever and erection column threaded connection to can adjust the distance between actuating lever and the rocking arm through rotating the actuating lever, thereby can indirectly adjust the length of the belted steel that the feed roller fed at every turn.

Preferably, one end of the driving rod, which is close to the rotating arm, is connected with a roller assembly, the roller assembly comprises a roller and a roller seat, one end of the driving rod, which is close to the rotating arm, is connected with the roller seat, and the roller is rotatably connected to the roller seat.

By adopting the technical scheme, the end part of the driving rod is abutted against the rotating arm through the roller, so that the friction force between the driving rod and the rotating arm is reduced when the driving rod drives the rotating arm to rotate, and the pressure applied to the rotating arm by the roller by the driving rod is perpendicular to the contact surface between the rotating arm and the roller, so that the driving effect of the driving rod on the rotating arm is better.

Preferably, the driving rod is rotatably connected with the wheel seat, a locking component is arranged between the wheel seat and the driving rod, and the locking component is used for relatively fixing the driving rod and the wheel seat; the locking part comprises a connecting sleeve and a locking sleeve, the connecting sleeve is fixed on the wheel seat, one end of the driving rod facing the wheel seat is inserted into the connecting sleeve, the driving rod is rotatably connected with the connecting sleeve, a connecting taper hole is formed in the locking sleeve, the locking sleeve is sleeved outside the connecting sleeve through the connecting taper hole, the locking sleeve is in threaded connection with the connecting sleeve, a plurality of deformation notches are formed in one end of the connecting sleeve facing the connecting rod, and the aperture of the connecting taper hole is gradually reduced towards the direction far away from the connecting sleeve.

Through adopting above-mentioned technical scheme, the wheel seat rotates with the actuating lever to be connected, be convenient for then adjust the direction of gyro wheel, when the rotation actuating lever adjusts the position of actuating lever on the mounting panel, the staff unscrews the locking sleeve pipe, adjust the direction back of gyro wheel, the locking sleeve pipe of screwing again, the connecting sleeve pipe is under the squeezing action of locking sheathed tube connection taper hole, the actuating lever is held tightly to the locking sleeve pipe to wheel seat and actuating lever relatively fixed, the guarantee gyro wheel is to the good extrusion drive effect of rocking arm.

Preferably, a material guide assembly is arranged between the automatic feeding device and the punch and comprises a material guide support, a fixed clamp plate and a movable clamp plate, the material guide support is arranged on the workbench and is fixedly connected with the material guide support, the movable clamp plate is arranged opposite to the fixed clamp plate and is connected with the material guide support, a material guide gap is formed between the movable clamp plate and the fixed clamp plate, and one side edge of the moving direction of the strip steel penetrates through the material guide gap.

Through adopting above-mentioned technical scheme, when belted steel moved forward under the effect of feed subassembly, the side of belted steel moving direction passed from the guide clearance between activity splint and the solid fixed splint, then the guide subassembly plays good direction and limiting displacement to the removal of belted steel, ensures the stability of belted steel feeding in-process.

Preferably, the movable clamping plate is slidably connected with the material guiding support, the sliding direction of the movable clamping plate is perpendicular to that of the fixed clamping plate, an adjusting screw rod penetrates through the material guiding support, the adjusting screw rod is in threaded connection with the material guiding support, the axial direction of the adjusting screw rod is parallel to the sliding direction of the movable clamping plate, and one end of the adjusting screw rod is rotatably connected with the movable clamping plate.

Through adopting above-mentioned technical scheme, through rotating adjusting screw, drive movable clamp plate and remove along the direction of being close to or keeping away from fixed splint to change the size in guide clearance, make this guide subassembly have better suitability to the belted steel of different thickness.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the feeding device and the feeding method realize repeated fixed-distance feeding operation of the strip steel, effectively improve the stamping forming operation efficiency and precision of the strip steel, and then improve the production efficiency and machining precision of the stator core; the strip steel feeding and the punch forming movement are effectively combined, a power device is not additionally adopted, and the production cost is saved;

2. through the arrangement of the roller assemblies, the friction force between the driving rod and the rotating arm is reduced, the direction of the force applied by the driving rod to the rotating arm through the roller is perpendicular to the contact surface of the rotating arm and the roller, unnecessary component force loss is reduced, and then the driving effect on the rotating arm is better.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a front view of an embodiment of the present application.

Fig. 3 is a partial structural schematic diagram for embodying an automatic feeding device according to an embodiment of the present application.

Fig. 4 is a partial structural cross-sectional view of an embodiment of the present application for embodying a resilient return assembly.

Fig. 5 is a partially enlarged view of a portion a in fig. 3.

Fig. 6 is a partially exploded view of an embodiment of the present application for embodying a scroll wheel assembly.

Fig. 7 is a schematic structural diagram of a material guide assembly according to an embodiment of the present application.

Description of reference numerals: 1. a body; 11. a work table; 12. a punch; 13. an upper die; 14. a lower die; 2. an automatic feeding device; 3. a drive assembly; 31. a drive rod; 32. mounting a column; 4. a roller assembly; 41. a wheel seat; 42. a roller; 5. a locking member; 51. connecting a sleeve; 511. deformation gaps; 52. locking the sleeve; 521. connecting the taper holes; 6. a material guiding assembly; 61. a material guiding bracket; 62. fixing the clamping plate; 63. a movable splint; 64. adjusting the screw rod; 65. a material guiding gap; 7. a transmission assembly; 71. a drive tube; 72. closing the plate; 73. a pawl; 74. a tooth socket; 75. a spring plate; 76. a rotating arm; 78. a transmission gear; 8. an elastic reset component; 81. a core bar; 82. a return torsion spring; 9. a feed assembly; 91. a feeding roller; 92. a feed gear; 93. a feeding support; 931. a support plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses high-precision motor stator high-speed stamping forming equipment. Referring to fig. 1 and 2, a high-precision motor stator high-speed punch forming device includes a machine body 1, a workbench 11, a punch 12, an upper die 13, a lower die 14, and an automatic feeding device 2. Punch 12 and workbench 11 are installed on machine body 1, punch 12 is located on the top of workbench 11, upper die 13 is installed on the end of punch 12 facing workbench 11, and lower die 14 is fixed on the top of workbench 11. The automatic feeding device 2 is installed on the workbench 11 and located at one side of the lower mold 14, and the automatic feeding device 2 is used for feeding materials to the lower mold 14.

Referring to fig. 1 and 2, the automatic feeding device 2 includes a driving assembly 3, a transmission assembly 7 and a feeding assembly 9, the feeding assembly 9 includes a feeding support 93 and two feeding rollers 91 parallel to each other, the feeding support 93 includes two support plates 931 parallel to each other, and the support plates 931 are fixedly connected to the machine body 1 through bolts. The feed roller 91 is rotatably connected between two support plates 931. The driving assembly 3 is mounted on the punch 12, and the feeding roller 91 and the driving assembly 3 are connected through the transmission assembly 7. When the strip steel is continuously punched, the strip steel passes through the space between the two feeding rollers 91, and the driving assembly 3 drives the feeding rollers 91 to convey the strip steel at a fixed distance through the transmission assembly 7, so that the machining efficiency of the strip steel continuous punching is improved.

Referring to fig. 3 and 4, the transmission assembly 7 includes a rotating arm 76, a transmission pipe 71, a transmission gear 78 and a pawl 73, the transmission pipe 71 is rotatably mounted on two bracket plates 931, one end of the transmission pipe 71 penetrates through the bracket plates 931 and is fixedly welded with a sealing plate 72, and the pawl 73 is rotatably connected to the sealing plate 72; the transmission gear 78 is rotatably connected to the outer side wall of the support plate 931 close to the pawl 73, a through hole is formed in the center of the transmission gear 78, the transmission gear 78 is sleeved on the outer side of the pawl 73 through the through hole, a tooth groove 74 matched with the pawl 73 is formed in the peripheral side of the through hole, and one end of the pawl 73 is located in the tooth groove 74.

Referring to fig. 3 and 5, the sealing plate 72 is provided with a spring 75, one end of the spring 75 is welded and fixed to the pawl 73, and the other end of the spring 75 is welded and fixed to the sealing plate 72, and the spring 75 applies a force to the pawl 73 to approach the transmission gear 78. A feeding gear 92 is coaxially fixed at one end of each feeding roller 91 close to the transmission gear 78, the feeding gear 92 is located on the outer side wall of the support plate 931, and the two feeding gears 92 are engaged with each other. The drive gear 78 meshes with one of the feed gears 92.

Referring to fig. 3 and 5, when the punch 12 moves downward for performing the punch forming operation, the punch 12 applies downward pressure to the rotating arm 76 through the driving assembly 3, the rotating arm 76 drives the driving pipe 71 to rotate, the driving pipe 71 drives the transmission gear 78 to rotate through the pawl 73, the transmission gear 78 drives the feeding gear 92 to rotate, and then the feeding gear 92 drives the feeding roller 91 to rotate, so that the strip steel is driven to move forward, the displacement of the punch 12 during the punching operation is fully utilized, power is provided for the rotation of the feeding roller 91, no additional power source is required, and energy is saved.

Referring to fig. 3 and 4, when the punch 12 finishes punching and moves upward, in order to enable the rotating arm 76 to return to the initial position to realize feeding of the strip steel at a repeated fixed distance, an elastic reset assembly 8 is arranged between the rotating tube and the feeding support 93, the elastic reset assembly 8 comprises a core bar 81 and a reset torsion spring 82, the core bar 81 is arranged in the transmission tube 71 in a penetrating manner, one end of the core bar 81 is welded and fixed with the feeding support 93, the reset torsion spring 82 is sleeved on the core bar 81, one end of the reset torsion spring 82 is welded and fixed with the inner wall of the transmission tube 71, and the other end of the reset torsion spring 82 is welded and fixed with the core bar 81. When the driving pipe 71 rotates under the action of the punch 12, the return torsion spring 82 is subjected to the twisting action of the driving pipe 71 to elastically deform and accumulate potential energy; when the punch 12 is moved up to reset, the rotation arm 76 loses the force from the punch 12, and potential energy of the reset torsion spring 82 is applied to the transmission tube 71 in the form of torque, so that the transmission tube 71 and the rotation arm 76 are reversely rotated to the initial position. Moreover, the transmission between the transmission pipe 71 and the transmission gear 78 is performed through the pawl 73, and then when the transmission pipe 71 rotates reversely, the pawl 73 does not cause obstruction to the reverse rotation of the transmission pipe 71 and can rotate along with the transmission pipe 71; when the punch 12 moves downwards again for punching, the feeding roller 91 can be driven to rotate through the transmission assembly 7 again, so that repeated fixed-distance feeding operation of strip steel is realized, the punching forming operation efficiency and precision of the strip steel are effectively improved, and the production efficiency and the processing quality of the stator core are further improved; the strip steel feeding and the punch forming movement are effectively combined, a power device is not additionally adopted, and the production cost is saved.

Referring to fig. 3 and 6, driving assembly 3 includes a mounting column 32 and a driving rod 31, mounting column 32 is welded and fixed on a side wall of punch 12, punch 12 can drive mounting column 32 to move up and down, and mounting column 32 is used for providing a mounting position and space for driving rod 31. The driving rod 31 vertically penetrates through one end, away from the punch 12, of the driving rod 31, the driving rod 31 is in threaded connection with the mounting column 32, the driving rod 31 is located right above the rotating arm 76, and the driving rod 31 is used for being abutted to the rotating arm 76 to drive the rotating arm 76 to rotate. And the position of the driving rod 31 on the mounting post 32 is adjusted by rotating the driving rod 31, and then the acting time between the driving rod 31 and the rotating arm 76 is changed, thereby indirectly adjusting the length of the strip steel fed by the feeding roller 91 each time.

Referring to fig. 3 and 6, in order to improve the abutting effect of the driving rod 31 on the rotating arm 76, a roller assembly 4 is mounted at one end of the driving rod 31 close to the rotating arm 76, the roller assembly 4 includes a wheel seat 41 and a roller 42 rotatably mounted on the wheel seat 41, one end of the driving rod 31 close to the rotating arm 76 is connected with the wheel seat 41, and the axis of the roller 42 is parallel to the rotating axis of the rotating arm 76. When the punch 12 drives the driving rod 31 to move towards the direction approaching the rotating arm 76, the driving rod 31 is abutted to the rotating arm 76 through the roller 42, so that the friction force between the driving rod 31 and the rotating arm 76 is reduced, the force applied to the rotating arm 76 by the driving rod 31 through the roller 42 is perpendicular to the contact surface of the rotating arm 76 and the roller 42, unnecessary component force loss is reduced, and the driving effect on the rotating arm 76 is better.

Referring to fig. 3 and 6, in order to rotate the driving rod 31, the roller 42 can still be kept parallel to the rotation axis of the rotating arm 76, so as to ensure the driving effect of the roller 42 on the rotating arm 76; the driving rod 31 is rotatably connected with the wheel seat 41, so that the position of the roller 42 can be rotatably adjusted after the driving rod 31 is adjusted. And a locking component 5 is arranged between the wheel seat 41 and the driving rod 31, and the wheel seat 41 and the driving rod 31 are relatively fixed through the locking component 5.

Referring to fig. 3 and 6, the locking component 5 includes a connecting sleeve 51 and a locking sleeve 52, the connecting sleeve 51 is fixed on the wheel seat 41, one end of the driving rod 31 facing the wheel seat 41 is inserted into the connecting sleeve 51, the driving rod 31 is rotatably connected with the connecting sleeve 51, a connecting taper hole 521 is formed in the locking sleeve 52, the locking sleeve 52 is sleeved outside the connecting sleeve 51 through the connecting taper hole 521, and the locking sleeve 52 is in threaded connection with the connecting sleeve 51; the connecting sleeve 51 is made of spring steel, and a plurality of deformation notches 511 are formed in one end, facing the connecting rod, of the connecting sleeve 51, so that the connecting sleeve 51 is elastically deformed, and the diameter of the connecting taper hole 521 is gradually reduced in the direction far away from the connecting sleeve 51. By screwing the locking sleeve 52, the locking sleeve 52 applies a pressing force to the connecting sleeve 51 through the connecting tapered hole 521, and one end of the connecting sleeve 51 near the deformation notch 511 is elastically deformed, so that the connecting sleeve 51 and the driving rod 31 are kept clamped and fixed.

Referring to fig. 1 and 7, a material guiding assembly 6 is installed at one side of the lower die 14 close to the automatic feeding device 2, and is used for guiding the feeding of the strip steel and ensuring the stability of the feeding of the strip steel. The material guide assemblies 6 are provided with two groups, and the two groups of material guide assemblies 6 are oppositely arranged on two sides of the strip steel; the material guiding assembly 6 comprises a fixed clamping plate 62, a movable clamping plate 63, an adjusting screw 64 and a material guiding support 61, the material guiding support 61 is fixed on the workbench 11 through bolts, the fixed clamping plate 62 is welded and fixed on one side of the material guiding support 61 close to the strip steel, the movable clamping plate 63 is located at the top of the fixed clamping plate 62, the movable clamping plate 63 is connected with the material guiding support 61 in a sliding mode, and a material guiding gap 65 is formed between the movable clamping plate 63 and the fixed clamping plate 62. The adjusting screw 64 penetrates through the material guiding support 61, the adjusting screw 64 is in threaded connection with the material guiding support 61, one end of the adjusting screw 64 is rotatably connected with the movable clamping plate 63, and the axial direction of the adjusting screw 64 is parallel to the sliding direction of the movable clamping plate 63. When the strip steel moves forward under the action of the feeding assembly 9, the two side edges of the moving direction of the strip steel penetrate through the material guide gap 65 between the adjacent fixed clamping plate 62 and the movable clamping plate 63, and then the material guide assembly 6 plays a good role in guiding and limiting the feeding movement of the strip steel, so that the stability of the strip steel in the feeding process is guaranteed.

The implementation principle of the high-speed stamping forming equipment for the high-precision motor stator in the embodiment of the application is as follows: when the strip steel is continuously stamped and processed, the strip steel passes through the space between the two feeding rollers 91, and the driving component 3 drives the feeding rollers 91 to convey the strip steel at a fixed distance through the transmission component 7. When the punch 12 moves downwards to perform punch forming operation, the punch 12 applies downward pressure to the rotating arm 76 through the driving rod 31, the rotating arm 76 drives the transmission pipe 71 to rotate, the transmission pipe 71 drives the transmission gear 78 to rotate through the pawl 73, the transmission gear 78 drives the feeding gear 92 to rotate, and then the feeding gear 92 drives the feeding roller 91 to rotate, so that strip steel is driven to move forwards, the displacement of the punch 12 during punching operation is fully utilized, power is provided for the rotation of the feeding roller 91, no additional power source is required to be configured, and energy is saved. When the punch 12 is moved up to reset, the rotation arm 76 loses the force from the punch 12, and potential energy of the reset torsion spring 82 is applied to the transmission tube 71 in the form of torque, so that the transmission tube 71 and the rotation arm 76 are reversely rotated to the initial position.

Moreover, the transmission between the transmission pipe 71 and the transmission gear 78 is performed through the pawl 73, and then when the transmission pipe 71 rotates reversely, the pawl 73 does not cause obstruction to the reverse rotation of the transmission pipe 71 and can rotate along with the transmission pipe 71; when the punch 12 moves downwards again for punching, the feeding roller 91 can be driven to rotate through the transmission assembly 7 again, so that repeated fixed-distance feeding operation of strip steel is realized, the punching forming operation efficiency and precision of the strip steel are effectively improved, and the processing efficiency and precision of the motor stator core are further improved; the strip steel feeding and the punch forming movement are effectively combined, a power device is not additionally adopted, and the production cost is saved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a high-speed stamping forming equipment of high accuracy motor stator, includes fuselage (1), workstation (11), drift (12), goes up mould (13) and lower mould (14), workstation (11) set up on fuselage (1), install on workstation (11) drift (12), it sets up the output at drift (12) to go up mould (13), lower mould (14) with go up mould (13) looks adaptation and install on workstation (11), its characterized in that: the automatic feeding device (2) comprises a driving assembly (3), a transmission assembly (7) and a feeding assembly (9); the driving assembly (3) comprises a driving rod (31), and the driving rod (31) is arranged on the punch (12); the feeding assembly (9) comprises a feeding support (93) connected with the side wall of the machine body (1) and two parallel feeding rollers (91) rotatably connected to the feeding support (93); strip steel is followed two pass through between feeding roller (91), drive lever (31) are connected with feeding roller (91) through transmission assembly (7), drive lever (31) are used for driving feeding roller (91) and rotate, drift (12) are used for providing power to the drive effect of drive lever (31).

2. The high-precision motor stator high-speed punch forming equipment according to claim 1, characterized in that: one end of each feeding roller (91) is connected with a feeding gear (92), and the two feeding gears (92) are meshed; the transmission assembly (7) comprises a transmission pipe (71) and a rotating arm (76), the transmission pipe (71) is rotatably connected to the feeding support (93), the transmission pipe (71) is positioned on one side, close to the punch (12), of the feeding roller (91), one end of the rotating arm (76) is fixedly connected with the transmission pipe (71), and one end, far away from the transmission pipe (71), of the rotating arm (76) is positioned at the bottom of the driving rod (31); one end of the transmission pipe (71) is fixedly connected with a sealing plate (72), the sealing plate (72) is connected with a pawl (73) in a rotating mode, the feeding frame is connected with a transmission gear (78) in a rotating mode, the transmission gear (78) is meshed with one feeding gear (92), a through hole is formed in the transmission gear (78), the transmission gear (78) is sleeved on the outer side of the pawl (73) through the through hole, a plurality of tooth grooves (74) matched with the pawl (73) are formed in the peripheral side of the through hole, and one end of the pawl (73) is located in the tooth grooves (74); an elastic reset assembly (8) is arranged between the transmission pipe (71) and the feeding frame, and the elastic reset assembly (8) is used for driving the transmission pipe (71) to rotate to an initial position.

3. The high-precision motor stator high-speed punch forming device according to claim 2, characterized in that: the spring plate (75) is arranged on the sealing plate (72), one end of the spring plate (75) is connected with the pawl (73), the other end of the spring plate is connected with the sealing plate (72), and the spring plate (75) is used for applying a force close to the transmission gear (78) to the pawl (73).

4. The high-precision motor stator high-speed punch forming device according to claim 2, characterized in that: the elastic reset assembly (8) comprises a core rod (81) and a reset torsion spring (82), the core rod (81) is located in the transmission pipe (71), the core rod (81) is fixedly connected with the feeding support (93), the reset torsion spring (82) is sleeved on the core rod (81), one end of the reset torsion spring (82) is connected with the transmission pipe (71), and the other end of the reset torsion spring is connected with the core rod (81).

5. The high-precision motor stator high-speed punch forming device according to claim 2, characterized in that: be provided with erection column (32) on drift (12), in erection column (32) was worn to locate by actuating lever (31), actuating lever (31) and erection column (32) threaded connection.

6. The high-precision motor stator high-speed punch forming device according to claim 5, wherein: the one end that actuating lever (31) is close to rocking arm (76) is connected with roller assembly (4), roller assembly (4) are including gyro wheel (42) and wheel seat (41), the one end that actuating lever (31) is close to rocking arm (76) is connected with wheel seat (41), gyro wheel (42) rotate to be connected on wheel seat (41).

7. The high-precision motor stator high-speed punch forming equipment according to claim 6, characterized in that: the driving rod (31) is rotatably connected with the wheel seat (41), a locking component (5) is arranged between the wheel seat (41) and the driving rod (31), and the locking component (5) is used for relatively fixing the driving rod (31) and the wheel seat (41); locking part (5) include adapter sleeve (51) and locking sleeve (52), adapter sleeve (51) are fixed in on wheel seat (41), actuating lever (31) are inserted towards the one end of wheel seat (41) and are located adapter sleeve (51) in, just actuating lever (31) are rotated with adapter sleeve (51) and are connected, connection taper hole (521) have been seted up on locking sleeve (52), locking sleeve (52) are established outside adapter sleeve (51) through connecting taper hole (521) cover, locking sleeve (52) and adapter sleeve (51) threaded connection, a plurality of deformation breach (511) have been seted up towards the one end of connecting rod in adapter sleeve (51), the aperture of connection taper hole (521) sets up to the direction convergent of keeping away from adapter sleeve (51).

8. The high-precision motor stator high-speed punch forming device according to claim 2, characterized in that: be provided with guide subassembly (6) between automatic feeder (2) and drift (12), guide subassembly (6) are including guide support (61), solid fixed splint (62) and activity splint (63), guide support (61) set up on workstation (11), gu fixed splint (62) and guide support (61) fixed connection, activity splint (63) set up with gu fixed splint (62) relatively, activity splint (63) guide support (61) are connected, be formed with guide clearance (65) between activity splint (63) and the solid fixed splint (62), pass in guide clearance (65) from a side of belted steel moving direction.

9. The high-precision motor stator high-speed punch forming device according to claim 8, wherein: the utility model discloses a guide device, including guide support (61), movable splint (63), guide support (61), adjusting screw (64) and guide support (61), movable splint (63) and guide support (61) sliding connection, the slip direction perpendicular to solid fixed splint (62) of movable splint (63), wear to be equipped with adjusting screw (64) on guide support (61), adjusting screw (64) and guide support (61) threaded connection, the axial of adjusting screw (64) is parallel with movable splint (63)'s slip direction, the one end and the movable splint (63) of adjusting screw (64) rotate to be connected.

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