CN111969805B - Continuous stamping die for winding type stator core - Google Patents

Abstract

The application discloses a continuous stamping die for a winding type stator core, which relates to the field of motor stators and comprises a lower template and an upper template, wherein the lower template is sequentially provided with a first fixed die, a second fixed die and a third fixed die; the lower end face of the second movable die is provided with a first punching knife used for punching the mounting hole, the second fixed die is provided with a first punching groove for embedding the first punching knife, the lower end face of the third movable die is provided with a plurality of second punching knives, and the third fixed die is provided with a plurality of second punching grooves for respectively embedding the second punching knives. The application has the following advantages and effects: through the stamping die with high continuity, continuous positioning, stable transmission and automatic notching and punching operation of the iron core belt are realized, connection forming and rapid punch forming of the stator iron core are realized, the continuity of the process is ensured, and therefore the production efficiency of the stator iron core is improved.

Description

Continuous stamping die for winding type stator core

Technical Field

The application relates to the field of motor stators, in particular to a continuous stamping die for a winding type stator core.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law, and mainly comprises a stator and a rotor. In the production process of the stator, in order to save the waste of materials, a winding type stator core is generally produced.

Chinese patent CN207382071U discloses a wound stator core for an electric motor, which includes a core body pressed and molded by a spirally wound core belt, wherein the core body includes a pole shoe for winding a metal wire and a yoke part of an annular structure for fixing the pole shoe, the inner circumference of the yoke part is further provided with a reinforcement part in the radial direction, and the reinforcement part is provided with a plurality of mounting holes and deformation slots.

When the stator core is produced, the core belt is generally required to be carried for many times, and a plurality of devices and dies are adopted to punch the characteristics of the mounting holes, the deformation grooves and the like on the core belt, so that the production process is discontinuous, the production efficiency of the stator core is reduced, and improvement is needed.

Disclosure of Invention

In order to improve the production efficiency of the stator core, the application aims to provide a continuous stamping die for a winding type stator core.

The application provides a continuous stamping die for coiling type stator core adopts following technical scheme: a continuous stamping die for a winding type stator core comprises a lower die plate and an upper die plate, wherein a first fixed die, a second fixed die and a third fixed die are sequentially arranged on the lower die plate, and a first movable die, a second movable die and a third movable die are sequentially arranged on the upper die plate; positioning blocks used for clamping two sides of the iron core belt are arranged on the first fixed die, the second fixed die and the third fixed die, positioning grooves for embedding two sides of the iron core belt are arranged on the inner wall of one side, close to the positioning blocks, of the two sides, and guide mechanisms are arranged on the first movable die, the first fixed die, the third movable die and the third fixed die; the lower end face of the second movable die is provided with a first punching knife used for punching the mounting hole, the second fixed die is provided with a first punching groove used for embedding the first punching knife, the lower end face of the third movable die is provided with a plurality of second punching knives, and the third fixed die is provided with a plurality of second punching grooves used for respectively embedding the second punching knives.

Through adopting above-mentioned technical scheme, when using above-mentioned continuous stamping die to carry out stamping process to stator core, with the constant head tank of the both sides embedding locating piece both sides in the iron core area, realize the accurate location and the stable centre gripping of iron core area. And then, by utilizing the matching of the first movable die and the first fixed die and the matching of the guide mechanism, the guide and the accurate transmission of the iron core belt are realized. And finally, the alignment of the iron core belt and the punching of the deformation groove and various slotted holes are realized by the cooperation of the third movable die and the third fixed die and the cooperation of the alignment mechanism, so that the punching processing of the stator iron core is realized. Therefore, through the high-continuity stamping die, the continuous positioning, stable transmission and automatic notching and punching operation of the iron core belt are realized, the connection forming and rapid punch forming of the stator iron core are realized, the continuity of the process is ensured, and the production efficiency of the stator iron core is improved.

The present application may be further configured in a preferred example to: the second movable mould with the cope match-plate pattern is components of a whole that can function independently form and sets up, the second movable mould with all around between the second cover half are provided with the flexible pole, the terminal surface all is provided with the slide under the both sides of second cover half, be provided with a pair of confession on the lower bolster the guide rail that the slide slided, the horizontal rotation is connected with on the lower bolster and is used for control the lead screw subassembly that the slide slided, and be provided with control on the lower bolster the rotatory servo motor of lead screw subassembly.

Through adopting above-mentioned technical scheme, when stator core is using, in order to guarantee stator core's performance, set up the wire casing between two adjacent pole shoes into the chute usually, and the position of the mounting hole on two adjacent layers of stator punching will determine the gradient of chute. Consequently, when utilizing second cover half and second movable mould to carry out the blanking to the mounting hole, it is rotatory through servo motor drive lead screw subassembly for the slide slides on the slide rail, thereby realize the regulation of second cover half and second movable mould position, realize the regulation of first die cutter and first die cut position promptly, thereby adjust the position of the fashioned mounting hole on the iron core area, realize the production and processing of the stator core of different gradient wire casings. Consequently through setting up second cover half and the second movable mould with adjustable position, the position of fashioned mounting hole on the regulation iron core area realizes the production and processing of the stator core of different gradient wire casings, has reached the effect of high suitability.

The present application may be further configured in a preferred example to: the guide mechanism comprises a plurality of guide needle groups vertically arranged on the first movable die and the third movable die, each guide needle group comprises a pair of stamping needles arranged side by side, and the first fixed die and the third fixed die are provided with pinholes for embedding the stamping needles.

Through adopting above-mentioned technical scheme, when leading positive mechanism, utilize a pair of punching press of initiating terminal to carry out the operation of punching a hole to the iron core area earlier, along with feeding of iron core area, the punching press needle embedding in the hole of stamping forming has been realized leading of iron core area, guarantees that the iron core area is along the stable transmission of rectilinear direction. And when the iron core belt is conveyed to the position of the last stamping pin, the punched hole is stamped by the second stamping knife, so that the last row of stamping pins are embedded into the formed slotted hole, the clamping and the positioning of the iron core belt are realized, and the stable conveying of the iron core belt is further ensured. Consequently, through setting up the structure succinctly to job stabilization leads positive mechanism, guarantees that the iron core area stably transmits along the straight line direction, realizes stable transmission and accurate blanking processing in iron core area.

The present application may be further configured in a preferred example to: the up end of first cover half, second cover half and third cover half all distributes and has a plurality of sliding holes, vertical sliding connection has the slide bar that is used for conflicting iron core belt lower extreme face in the sliding hole, and the lower terminal surface of slide bar with be provided with the spring between the diapire of sliding hole.

Through adopting above-mentioned technical scheme, through the cooperation that sets up slide bar and spring, unsettled support when realizing the transmission of iron core area, and then can be more smooth and easy when making the transmission of iron core area, avoid appearing the card phenomenon of ton to influence the mould and normally work.

The present application may be further configured in a preferred example to: the lower bolster is close to the one end of third cover half is provided with the support, the support is improved level and is provided with the supporting seat, clean box, flushing tank and stoving case have set gradually on the supporting seat, and the upper end outer wall of clean box, flushing tank and stoving case all runs through and is provided with the through-hole that supplies the iron core area to wear to establish.

By adopting the technical scheme, after the iron core belt is subjected to punch forming, the iron core belt is usually and directly wound, and the continuous production and processing of the stator iron core are ensured. Consequently, after the shaping of iron core area, utilize the cleaning box to clean the back to the impurity on iron core area surface, utilize the flushing tank to wash the cleaning solution, reuse stoving case at last and dry the water stain on iron core area surface and dry, realize the self-cleaning and the stoving in iron core area to guarantee stator core's quality. Therefore, the cleaning box, the flushing box and the drying box are additionally arranged, so that the iron core belt is automatically cleaned and dried, and the product quality of the stator iron core is ensured.

The present application may be further configured in a preferred example to: a pair of cleaning brushes is horizontally and rotatably connected inside the cleaning box, is positioned below the through hole and is used for clamping the cleaning brush of the iron core belt, and a liquid injection pipe is arranged on the cleaning box; a spray head is arranged on the top wall of the flushing tank, a water inlet pipe communicated with the spray head is arranged on the upper end face of the flushing tank, and a water outlet pipe is arranged on the outer wall of the lower end of the flushing tank; the drying box is internally provided with a pair of suspensions distributed on two sides of the through hole, one side of each pair of suspensions, which is close to each other, is provided with fans which are aligned with each other and are positioned on two sides of the iron core belt, and the top wall and the bottom wall of the drying box are both provided with electric heating plates.

Through adopting above-mentioned technical scheme, when clean case during operation, pour into clean incasement with cleaning solution and clear water along annotating the liquid pipe, it is rotatory to control a pair of cleaning brush simultaneously, realizes brushing and cleaning of iron core area surface. When the flushing tank works, clear water is injected along the water inlet pipe, so that the clear water is sprayed downwards along the spray head, the flushing of the iron core belt is realized, and meanwhile, sewage is discharged directionally along the water outlet pipe. When the drying box works, the electric heating plate and the fan are electrified, and hot air is blown to the iron core belt at high speed by the fan at the moment, so that the quick drying and the efficient drying of the two sides of the iron core belt are realized. Therefore, by arranging the efficient cleaning box, the flushing box and the drying box, the efficient cleaning and drying of the iron core belt are realized, and the production efficiency is improved.

The present application may be further configured in a preferred example to: a partition plate is horizontally connected to the inner wall of the lower end of the cleaning box in a sliding manner, a connecting hole for the partition plate to slide and be embedded in is formed in the outer wall of the cleaning box, connecting grooves for the partition plate to be embedded in are formed in the inner wall of the cleaning box, and an air cylinder for controlling the partition plate to slide in a reciprocating manner is arranged on the outer wall of the cleaning box; the horizontal rotation is connected with and is located in the dustbin stirring rake of baffle below, and the lower extreme outer wall is provided with the drain pipe, the outer wall of dustbin is provided with the control the rotatory control motor of stirring rake and control the solenoid valve that the drain pipe opened and close.

Through adopting above-mentioned technical scheme, after the clean box work a period, impurity and silt in the clean box will deposit at the diapire of clean box, utilize cylinder drive baffle level to slide this moment, when embedding the spread groove around the baffle this moment in, realize the partition of clean box. At the moment, the cleaning brush above the partition plate works all the time, and meanwhile, a closed storage space is formed below the cleaning brush and stores impurities and sludge. Then the electromagnetic valve and the motor are controlled to work, sewage, impurities and sludge in the closed space are sucked and discharged, the impurities and the sludge in the cleaning box are quickly cleaned and cleaned without stopping, and the continuous work of the cleaning box is guaranteed, so that the continuous production and the efficient production and processing of the iron core belt are realized.

The present application may be further configured in a preferred example to: the inner wall of one end of the cleaning box, which deviates from the air cylinder, is provided with a button switch for driving the control motor and the electromagnetic valve to be opened and closed, and the lower end face of one end of the partition, which deviates from the air cylinder, is horizontally provided with a probe for pressing the button switch.

Through adopting above-mentioned technical scheme, when the baffle separates the cleaning box completely, the probe on the baffle presses button switch completely, realizes the open control of control motor and solenoid valve, realizes the automatic suction of impurity and silt promptly and discharges. When the partition board moves reversely, the probe on the partition board is completely separated from the button switch, so that the closing control of the motor and the electromagnetic valve is realized, and the automatic cleaning of impurities and sludge is realized. Therefore, the opening and closing of the button switch are controlled by the switch of the partition plate, so that the opening and closing control of the motor and the electromagnetic valve is realized, the automatic cleaning and discharging of impurities and sludge are realized, and the high-automation effect is achieved.

The present application may be further configured in a preferred example to: the outer wall of the flushing tank is provided with a return tank, the water outlet pipe is communicated with the return tank, the return tank is provided with a water supply pump, the water outlet end of the water supply pump is communicated with the water inlet pipe, and the water inlet end of the water supply pump is provided with a filter element communicated with the interior of the lower end of the return tank.

Through adopting above-mentioned technical scheme, when the flushing tank during operation, the sewage that is mingled with the cleaning solution flows back to the flow-back box along the outlet pipe in, utilizes the water supply pump to aspirate sewage this moment, discharges again to inlet tube and shower nozzle in through the filterable sewage of filter element afterwards, realizes the reuse of water resource, reduces the waste of water resource.

In summary, the present application has the following beneficial effects:

1. by arranging the high-continuity stamping die, the continuous positioning, stable transmission and automatic notching and punching operation of the iron core belt are realized, the connection forming and rapid punch forming of the stator iron core are realized, the continuity of the process is ensured, and the production efficiency of the stator iron core is improved;

2. the position of the formed mounting hole on the iron core belt is adjusted by arranging the second fixed die and the second movable die with adjustable positions, so that the production and processing of the stator iron cores of the wire grooves with different gradients are realized, and the effect of high adaptability is achieved;

3. the guide mechanism which is simple in structure and stable in work is arranged, so that stable transmission of the iron core belt along the linear direction is guaranteed, and stable transmission and accurate blanking processing of the iron core belt are realized;

4. the automatic cleaning and drying of the iron core belt are realized by additionally arranging the cleaning box, the flushing box and the drying box, so that the product quality of the stator iron core is ensured;

5. through setting up efficient clean case, flushing tank and stoving case, realize the high-efficient cleanness and the stoving of iron core area, improve production efficiency.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic structural view of the lower mold plate of example 1;

fig. 3 is a partial enlarged view at a in fig. 2;

FIG. 4 is a schematic structural view of an upper mold plate of example 1;

FIG. 5 is a schematic structural view of example 2;

FIG. 6 is a schematic structural view of a cleaning tank of embodiment 2;

FIG. 7 is a schematic structural view of a flush tank of embodiment 2;

fig. 8 is a schematic structural view of a drying box of embodiment 2.

Reference numerals: 1. a lower template; 11. a first stationary mold; 12. a second stationary mold; 13. a third fixed die; 14. a slide hole; 15. a slide bar; 16. a spring; 17. a first notching; 18. a second notching; 2. mounting a template; 21. a first movable mold; 22. a second movable mold; 23. a third movable mould; 24. a first die cutter; 25. a second die cutter; 26. an elastic rod; 3. positioning blocks; 31. positioning a groove; 4. a guide mechanism; 41. a guide needle group; 42. punching a needle; 43. a pinhole; 5. a slide base; 51. a guide rail; 52. a screw assembly; 53. a servo motor; 6. a support; 61. a supporting seat; 62. a through hole; 7. a cleaning tank; 71. a cleaning brush; 72. a liquid injection pipe; 73. a partition plate; 731. a probe; 74. connecting holes; 75. connecting grooves; 76. a cylinder; 77. a stirring paddle; 771. controlling the motor; 78. a drain pipe; 781. an electromagnetic valve; 79. a push button switch; 8. a flushing tank; 81. a spray head; 82. a water inlet pipe; 83. a water outlet pipe; 84. a return tank; 85. a water supply pump; 86. a filter element; 9. a drying box; 91. a suspension; 92. a fan; 93. the plate is electrically heated.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Example 1: as shown in fig. 1 and 2, the continuous stamping die for the wound stator core comprises a lower die plate 1 and an upper die plate 2, wherein the lower die plate 1 is sequentially provided with a first fixed die 11, a second fixed die 12 and a third fixed die 13, and the upper die plate 2 is sequentially provided with a first movable die 21, a second movable die 22 and a third movable die 23.

As shown in fig. 2 and 3, a plurality of sliding holes 14 are distributed on the upper end surfaces of the first fixed die 11, the second fixed die 12 and the third fixed die 13, sliding rods 15 for abutting against the lower end surfaces of the iron core belts are vertically and slidably connected in the sliding holes 14, and springs 16 are arranged between the lower end surfaces of the sliding rods 15 and the bottom walls of the sliding holes 14.

As shown in fig. 2 and 4, the first movable die 21, the second movable die 22, and the third movable die 23 are each provided with a positioning block 3 for sandwiching both sides of the core belt. The inner walls of the two sides of the positioning blocks 3 close to each other are provided with positioning grooves 31 for embedding the two sides of the iron core belt, and the first movable die 21, the first fixed die 11, the third movable die 23 and the third fixed die 13 are provided with guide mechanisms 4.

As shown in fig. 2 and 4, the second movable die 22 has a first punch 24 for punching the mounting hole provided on a lower end surface thereof, and the second fixed die 12 has a first punch groove 17 into which the first punch 24 is fitted. The lower end surface of the third movable die 23 is provided with a plurality of second punching knives 25, and the third fixed die 13 is provided with a plurality of second punching grooves 18 for the second punching knives 25 to be respectively embedded.

When the stator core is punched and processed by using the continuous punching die, the two sides of the core belt are embedded into the positioning grooves 31 on the two sides of the positioning block 3, so that the core belt is accurately positioned and stably clamped. And then, by utilizing the matching of the first movable die 21 and the first fixed die 11 and the matching of the guide mechanism 4, the guide and the accurate transmission of the iron core belt are realized.

And then, the automatic punching of the mounting hole is realized by the matching of the second movable die 22 and the second fixed die 12, and finally, the guide of the iron core belt and the punching of the deformation groove and various slotted holes are realized by the matching of the third movable die 23 and the third fixed die 13 and the matching of the guide mechanism 4, so that the punching processing of the stator iron core is realized.

And in the transmission in-process in iron core area, through the cooperation that sets up slide bar 15 and spring 16, unsettled support when realizing iron core area transmission, and then can be more smooth and easy when making the transmission of iron core area, avoid appearing the card phenomenon and influence the mould normal work, guarantee stable punching press and the production and processing in iron core area.

As shown in fig. 2 and 4, the pilot mechanism 4 includes a plurality of pilot needle groups 41 vertically disposed on the first movable die 21 and the third movable die 23. Each guide needle group 41 includes a pair of punching needles 42 arranged side by side, and needle holes 43 into which the punching needles 42 are inserted are provided on the first fixed die 11 and the third fixed die 13.

When the guide mechanism 4 is used, firstly, a pair of punching needles 42 at the starting end is used for punching the iron core belt, and along with the feeding of the iron core belt, the rear punching needle 42 is embedded into the punched hole, so that the guide of the iron core belt is realized, and the stable transmission of the iron core belt along the linear direction is ensured.

And when the last punching pin 42 is conveyed, the punched hole is punched by the second punching knife 25, so that the last row of punching pins 42 are embedded into the formed slotted hole, the clamping and the positioning of the iron core belt are realized, and the stable conveying of the iron core belt is further ensured.

As shown in fig. 2, the second movable mold 22 is provided separately from the upper mold plate 2, and elastic rods 26 are provided around the second movable mold 22 and the second fixed mold 12. The lower end surfaces of two sides of the second fixed die 12 are both provided with a sliding seat 5, and the lower template 1 is provided with a pair of guide rails 51 for the sliding seat 5 to slide. A screw rod assembly 52 for controlling the sliding of the sliding seat 5 is horizontally and rotatably connected on the lower template 1, and a servo motor 53 for controlling the rotation of the screw rod assembly 52 is arranged on the lower template 1.

When stator core is in later stage winding processing, in order to guarantee the performance of stator core, the wire casing between two adjacent pole shoes is usually set to the chute, and during winding, the mounting hole cover is usually established at the pole outer wall of predetermineeing fixed, therefore the position of the mounting hole on two adjacent layers of stator punching will decide the gradient of chute.

Therefore, when the second fixed die 12 and the second movable die 22 are used for blanking the mounting holes, the screw rod assembly 52 is driven to rotate through the servo motor 53, so that the sliding seat 5 slides on the sliding rail, the positions of the second fixed die 12 and the second movable die 22 are adjusted, namely the positions of the first punching knife 24 and the first punching groove 17 are adjusted, the position of the mounting hole formed in the iron core belt is adjusted, the production and processing of the stator iron cores of the wire grooves with different gradients are realized, and the effect of high adaptability is achieved.

Example 2: as shown in fig. 5, the difference from embodiment 1 is that: one end of the lower template 1 close to the third fixed die 13 is provided with a support 6, and a support seat 61 is horizontally arranged on the support 6. The supporting seat 61 is sequentially provided with a cleaning box 7, a flushing box 8 and a drying box 9, and the outer walls of the upper ends of the cleaning box 7, the flushing box 8 and the drying box 9 are all provided with through holes 62 for the iron core belts to penetrate through.

After the iron core belt is punched and formed, the iron core belt is usually directly wound, and the continuous production and processing of the stator iron core are ensured. Consequently, after the shaping is taken to the iron core, utilize cleaning box 7 to clean the back to the impurity on iron core area surface, utilize flushing tank 8 to wash the cleaning solution, reuse stoving case 9 at last and dry the water stain on iron core area surface, realize the self-cleaning and the stoving in iron core area to guarantee stator core's product quality.

As shown in fig. 5 and 6, a pair of cleaning brushes 71 are horizontally and rotatably connected to the inside of the cleaning box 7, the pair of cleaning brushes 71 are located below the through hole 62 and are used for clamping the cleaning brush 71 of the core belt, and an injection pipe 72 is further provided on the cleaning box 7.

As shown in fig. 5 and 6, a partition plate 73 is horizontally slidably connected to an inner wall of a lower end of the cleaning tank 7, a connection hole 74 into which the partition plate 73 is slidably inserted is formed in an outer wall of the cleaning tank 7, a connection groove 75 into which the partition plate 73 is inserted is formed in the inner wall, and a cylinder 76 for controlling the partition plate 73 to slide back and forth is formed in the outer wall of the cleaning tank 7.

As shown in fig. 5 and 6, a paddle 77 located below the partition 73 is horizontally rotatably connected to the inside of the cleaning tank 7, and a drain pipe 78 is provided on the outer wall of the lower end. The outer wall of the cleaning box 7 is provided with a control motor 771 for controlling the rotation of the stirring paddle 77 and an electromagnetic valve 781 for controlling the opening and closing of the drain pipe 78.

As shown in fig. 5 and 6, a button switch 79 for driving and controlling the motor 771 and the solenoid valve 781 to open and close is disposed on an inner wall of one end of the cleaning tank 7 away from the air cylinder 76, and a probe 731 for pressing the button switch 79 is horizontally disposed on a lower end surface of one end of the partition plate 73 away from the air cylinder 76.

When the cleaning box 7 works, cleaning liquid and clean water are injected into the cleaning box 7 along the liquid injection pipe 72, and the pair of cleaning brushes 71 are controlled to rotate at the same time, so that the surface of the iron core belt is brushed and cleaned.

After the cleaning box 7 works for a period of time, impurities and sludge in the cleaning box 7 are deposited on the bottom wall of the cleaning box 7, the air cylinder 76 is used for driving the partition plate 73 to horizontally slide, the partition of the cleaning box 7 is realized when the periphery of the partition plate 73 is embedded into the connecting groove 75, and meanwhile, the probe 731 on the partition plate 73 completely presses the button switch 79, so that the control of opening the control motor 771 and the electromagnetic valve 781 is realized.

Meanwhile, an airtight space for storing the impurities and the sludge is formed below the partition plate 73, the stirring paddle 77 is used for stirring the sewage, the impurities and the sludge, the sewage, the impurities and the sludge in the airtight space are sucked and discharged, the impurities and the sludge in the cleaning box 7 are quickly cleaned and cleaned without stopping, the continuous work of the cleaning box 7 is guaranteed, and the continuous production and the efficient production and processing of the iron core belt are realized.

After the sewage, impurities and sludge in the closed space are discharged, the partition plate 73 is controlled to move reversely until the probe 731 on the partition plate 73 is completely separated from the button switch 79, so that the closing control of the control motor 771 and the electromagnetic valve 781 is realized, and the automatic cleaning of the impurities and the sludge is realized.

As shown in fig. 5 and 7, a shower head 81 is provided on the top wall of the flush tank 8, a water inlet pipe 82 communicating with the shower head 81 is provided on the upper end surface of the flush tank 8, and a water outlet pipe 83 is provided on the outer wall of the lower end. The outer wall of the flushing tank 8 is provided with a return tank 84, and the outlet pipe 83 communicates with the return tank 84. The return tank 84 is provided with a water supply pump 85, the water outlet end of the water supply pump 85 is communicated with the water inlet pipe 82, and the water inlet end is provided with a filter core 86 communicated with the interior of the lower end of the return tank 84.

When the flushing tank 8 works, clear water is injected along the water inlet pipe 82, the clear water is sprayed downwards along the spray head 81, flushing of the iron core belt is achieved, meanwhile, sewage is discharged into the backflow tank 84 along the water outlet pipe 83 in a directional mode, the sewage is sucked by the water supply pump 85 at the moment, then the sewage filtered by the filter element 86 is discharged into the water inlet pipe 82 and the spray head 81 again, water resource recycling is achieved, and waste of water resources is reduced.

As shown in fig. 5 and 8, a pair of suspensions 91 are disposed in drying box 9 and distributed on both sides of through hole 62, fans 92 aligned with each other and disposed on both sides of the core belt are disposed on the sides of a pair of suspensions 91 close to each other, and electric heating plates 93 are disposed on both top and bottom walls of drying box 9.

When the drying box 9 works, the electric heating plate 93 and the fan 92 are electrified, and hot air is blown to the iron core belt at high speed by the fan 92 at the moment, so that the quick drying and the efficient drying of the two sides of the iron core belt are realized.

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 (5)

1. The utility model provides a continuous stamping die is used to coiling type stator core, includes lower bolster (1) and cope match-plate pattern (2), its characterized in that: the lower template (1) is sequentially provided with a first fixed die (11), a second fixed die (12) and a third fixed die (13), and the upper template (2) is sequentially provided with a first movable die (21), a second movable die (22) and a third movable die (23);

positioning blocks (3) used for clamping two sides of the iron core belt are arranged on the first fixed die (11), the second fixed die (12) and the third fixed die (13), positioning grooves (31) for embedding two sides of the iron core belt are arranged on the inner walls of the two sides of the positioning blocks (3) close to each other, and guide mechanisms (4) are arranged on the first movable die (21), the first fixed die (11), the third movable die (23) and the third fixed die (13);

a first punching knife (24) used for punching a mounting hole is arranged on the lower end face of the second movable die (22), a first punching groove (17) for embedding the first punching knife (24) is formed in the second fixed die (12), a plurality of second punching knives (25) are arranged on the lower end face of the third movable die (23), and a plurality of second punching grooves (18) for respectively embedding the second punching knives (25) are formed in the third fixed die (13);

a support (6) is arranged at one end, close to the third fixed die (13), of the lower template (1), a supporting seat (61) is horizontally arranged on the support (6), a cleaning box (7), a flushing box (8) and a drying box (9) are sequentially arranged on the supporting seat (61), and through holes (62) for iron core belts to penetrate through are formed in the outer walls of the upper ends of the cleaning box (7), the flushing box (8) and the drying box (9);

a pair of cleaning brushes (71) is horizontally and rotatably connected inside the cleaning box (7), the pair of cleaning brushes (71) is positioned below the through hole (62) and used for clamping the cleaning brush (71) of the iron core belt, and a liquid injection pipe (72) is arranged on the cleaning box (7); a spray head (81) is arranged on the top wall of the flushing tank (8), a water inlet pipe (82) communicated with the spray head (81) is arranged on the upper end face of the flushing tank (8), and a water outlet pipe (83) is arranged on the outer wall of the lower end of the flushing tank; a pair of suspension brackets (91) distributed on two sides of the through hole (62) are arranged in the drying box (9), fans (92) which are aligned with each other and are positioned on two sides of the iron core belt are arranged on one side, close to each other, of the pair of suspension brackets (91), and electric heating plates (93) are arranged on the top wall and the bottom wall of the drying box (9);

a partition plate (73) is horizontally connected to the inner wall of the lower end of the cleaning box (7) in a sliding manner, a connecting hole (74) for the partition plate (73) to be embedded in a sliding manner is formed in the outer wall of the cleaning box (7), connecting grooves (75) for the periphery of the partition plate (73) to be embedded in are formed in the inner wall of the cleaning box, and an air cylinder (76) for controlling the partition plate (73) to slide in a reciprocating manner is arranged on the outer wall of the cleaning box (7); a stirring paddle (77) positioned below the partition plate (73) is horizontally and rotatably connected in the cleaning box (7), a drain pipe (78) is arranged on the outer wall of the lower end of the cleaning box, and a control motor (771) for controlling the rotation of the stirring paddle (77) and an electromagnetic valve (781) for controlling the opening and closing of the drain pipe (78) are arranged on the outer wall of the cleaning box (7);

the inner wall of one end, deviating from the air cylinder (76), of the cleaning box (7) is provided with a button switch (79) for driving the control motor (771) and the electromagnetic valve (781) to be opened and closed, and a probe (731) for pressing the button switch (79) is horizontally arranged on the lower end face of one end, deviating from the air cylinder (76), of the partition plate (73).

2. The continuous punching die for the wound-type stator core according to claim 1, characterized in that: second movable mould (22) with cope match-plate pattern (2) are components of a whole that can function independently form and set up, second movable mould (22) with all be provided with flexible pole (26) around between second cover half (12), the terminal surface all is provided with slide (5) under the both sides of second cover half (12), be provided with a pair of confession on lower bolster (1) guide rail (51) that slide (5) slided, lower bolster (1) is improved level and is rotated and be connected with and be used for control lead screw subassembly (52) that slide (5) slided, and be provided with control on lower bolster (1) lead screw subassembly (52) rotatory servo motor (53).

3. The continuous punching die for the wound-type stator core according to claim 1, characterized in that: the guide mechanism (4) comprises a plurality of guide needle groups (41) vertically arranged on the first movable die (21) and the third movable die (23), each guide needle group (41) comprises a pair of stamping needles (42) arranged side by side, and the first fixed die (11) and the third fixed die (13) are provided with needle holes (43) for embedding the stamping needles (42).

4. The continuous punching die for the wound-type stator core according to claim 1, characterized in that: the upper end face of the first fixed die (11), the second fixed die (12) and the third fixed die (13) is evenly distributed with a plurality of sliding holes (14), a sliding rod (15) used for abutting against the lower end face of an iron core belt is vertically and slidably connected in each sliding hole (14), and a spring (16) is arranged between the lower end face of each sliding rod (15) and the bottom wall of each sliding hole (14).

5. The continuous punching die for the wound-type stator core according to claim 1, characterized in that: the outer wall of the flushing tank (8) is provided with a return tank (84), the water outlet pipe (83) is communicated with the return tank (84), a water supply pump (85) is arranged on the return tank (84), the water outlet end of the water supply pump (85) is communicated with the water inlet pipe (82), and a filter core (86) communicated with the interior of the lower end of the return tank (84) is arranged at the water inlet end.

Images