Punching die device for generator stator production

By introducing a stacking mechanism and a blanking mechanism into the stamping die device for generator stator production, and utilizing the design of a rotary drum, cam, and return spring, the problem of steel sheets not being able to be stacked one by one was solved, improving work efficiency and reducing safety risks.

CN223946580UActive Publication Date: 2026-02-27WUXI ZHONGSHUN PRECISION SHEET METAL CO LTD
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Patent Information

Application Number
CN202423208016.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2026-02-27
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

In the existing technology, during the production of generator stators, steel sheets can only be punched and formed, and cannot be stacked piece by piece, resulting in low work efficiency and safety hazards.

Method used

A die-cutting device including a stacking mechanism and a punching mechanism was designed. By setting a punching groove and a top ring on the rotating cylinder, and using the cooperation of a cam and a return spring, the automatic stacking and ejection of steel sheets are realized, thus avoiding the steel sheets from getting stuck in the punching groove.

Benefits of technology

It enables automatic stacking and ejection of steel sheets, improving production efficiency, reducing manual labor intensity, and avoiding the safety hazards of steel sheets falling off.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of generator stator production, in particular to a stamping die device for generator stator production, which comprises a workbench, and a lamination mechanism is arranged in the workbench and used for stacking steel sheets; a blanking mechanism is arranged above the top of the workbench and used for blanking a steel sheet, by forming blanking grooves in a rotary drum, after blanking is completed every time, the blanking groove in the lower portion can be rotated to be flush with the top of the workbench by rotating the rotary drum, blanking continues, the blanking groove containing the steel sheet can be rotated to the lower portion, and therefore the steel sheet can be blanked. And the materials fall into the drawing box from the discharging opening and are automatically stacked in the placing groove of the drawing box.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the production technical field of generator stator, concretely to a die device for generator stator production. BACKGROUND

[0002] The stator is the stationary part of the generator, and the main function of the stator is to generate a rotating magnetic field. At present, the method for manufacturing the generator stator by the traditional process is to punch out the silicon steel sheet through the ordinary punch, then to stack the silicon steel sheet and the insulating paper pad by artificial piece by piece, and then to manufacture by artificial press-fitting, welding and other processes. Finally, the coil is wound on the stator core. When the ordinary punch is used to punch the steel sheet, the steel sheet can only be punched and formed, and the steel sheet cannot be stacked piece by piece. The subsequent step needs to arrange the formed steel sheet by artificial, and the working efficiency is low.

[0003] The prior art such as the publication No. CN216501785U provides a die device for generator stator production, which comprises a rack, a workbench and a controller arranged on the rack, a rotary punching table arranged on the workbench, a processing position and a blanking position arranged on the rotary punching table, a group of female dies arranged on the processing position and the blanking position, a male die arranged above the processing position, the male die being slidingly installed on the rack and a second driving assembly arranged on the rack for driving the male die to move up and down, a lamination mechanism arranged on one side of the rotary punching table at the blanking position, a material ejecting assembly arranged in the female die for ejecting the material upward, and a moving assembly arranged on the rack for moving the material to the lamination mechanism. The die device for generator stator production can automatically collect and preliminarily stack the formed silicon steel sheet, so as to improve the processing efficiency and reduce the labor intensity.

[0004] In the case, the material in the female die is ejected upward by the material ejecting assembly, and then the material is moved to the lamination mechanism by the moving assembly for arrangement and lamination. However, the steel sheet still needs to be grabbed by the linear motor, the telescopic cylinder and the pneumatic clamping jaw during actual operation, and the steel sheet is lifted and carried during the grabbing process. If the equipment fails, the steel sheet may fall off, which has certain safety hazards. In view of this, the utility model provides a die device for generator stator production. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a die device for generator stator production, which solves the problem that the steel sheet can only be punched and formed, and the steel sheet cannot be stacked piece by piece.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of die device for generator stator production, including workbench, the inside of the workbench is provided with lamination mechanism, for stacking steel sheet;Die cutting mechanism is arranged above the top of the workbench, for punching steel sheet;

[0008] The lamination mechanism includes rotary groove, the rotary groove is opened in the top of workbench, the inner wall of the rotary groove is provided with rotating drum, the rotating drum is rotatably connected to the inner wall of rotary groove by sleeve, the top and bottom of the rotating drum are respectively provided with die cutting groove, the position of the outer wall of the rotating drum at two die cutting grooves is arranged in plane, and when the upper plane is in horizontal state, it is flush with the top of the workbench.

[0009] Preferably, the inner wall of the workbench is slidably connected with the box, which is arranged in a drawer type opening and closing manner, and the box is communicated with the inside of the rotary groove through the discharge port.

[0010] Preferably, the inner wall of the die cutting groove is slidably connected with the top ring, and the side of the top ring inside the rotating drum is fixedly connected with the extrusion block.

[0011] Preferably, the inner wall of the rotating drum is rotatably connected with the shaft, and the outer wall of the shaft is fixedly sleeved with cam corresponding to the position of the extrusion block.

[0012] Preferably, the bottom and top of the inner wall of the rotating drum are respectively fixedly connected with the supporting plate, the two sides of the supporting plate are respectively slidably connected with the slide rod, and the outer wall of the slide rod is movably sleeved with the return spring.

[0013] Preferably, the sleeve and the outer wall of the shaft are fixedly sleeved with gears at positions outside the workbench, the bottoms of the two gears are respectively meshingly connected with the racks, one side of the outer wall of the workbench is fixedly connected with two groups of electric cylinders through mounting blocks, and the two groups of electric cylinders are respectively fixedly connected with the racks at corresponding positions.

[0014] Preferably, the die cutting mechanism includes support frame, the bottom of the top of the support frame is fixedly connected with hydraulic cylinder, and the bottom of the hydraulic cylinder is fixedly connected with annular die cutting knife for punching steel sheet in cooperation with die cutting groove.

[0015] By the above technical scheme, the die device for generator stator production is provided.

[0016] Firstly, the die cutting groove is opened on the rotating drum, so that after each die cutting is completed, the lower die cutting groove can be rotated to flush with the top of the workbench by rotating the rotating drum, and the die cutting is continued, while the steel sheet die cutting groove is rotated to the lower side and falls into the box through the discharge port, and is automatically stacked in the placing groove of the box.

[0017] The utility model discloses a mode for setting the top ring on the inner wall of the punching groove, whenever the rotating cylinder turns the steel sheet punching groove to the lower side, the rotating shaft can drive the cam to rotate, the protrusion of the cam can abut against the extruding block in the process of rotating the cam, and the top ring connected with the extruding block is moved in the punching groove, so that the steel sheet in the punching groove is pushed out, the steel sheet is prevented from being stuck in the punching groove when falling and affecting the subsequent punching, and when the protrusion of the cam is away from the extruding block, the top ring can be automatically reset under the tension of the reset spring. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings, which are included to provide a further understanding of the utility model, form a part of the application and are incorporated herein to illustrate the utility model:

[0019] Figure 1 It is the whole structure schematic diagram of the utility model;

[0020] Figure 2 It is the structure schematic diagram of the rotating groove in the utility model;

[0021] Figure 3 It is the partial sectional view of the utility model;

[0022] Figure 4 It is the structure schematic diagram of the rotating cylinder in the utility model;

[0023] Figure 5 It is the structure schematic diagram of the rotating cylinder in the utility model Figure 1 It is the structure display drawing of gear area.

[0024] In the drawing: 1, workbench;2, laminated sheet mechanism;21, rotating groove;211, draw box;212, discharge port;22, rotating cylinder;221, sleeve;23, punching groove;24, top ring;25, support plate;26, sliding rod;27, extruding block;28, rotating shaft;29, cam;291, gear;292, rack;293, electric cylinder;294, mounting block;3, punching mechanism;31, support frame;32, hydraulic cylinder;33, annular punching cutter. DETAILED DESCRIPTION

[0025] The technical scheme in the utility model embodiment will be clearly and completely described below with reference to the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] A punching die device for producing a generator stator, like Figures 1-5As shown, including the workbench 1, the inside of the workbench 1 is provided with a laminating mechanism 2 for stacking steel sheets; the upper portion of the workbench 1 is provided with a punching mechanism 3 for punching the steel sheet, the laminating mechanism 2 comprises a rotating groove 21, the rotating groove 21 is opened in the top of the workbench 1, the inner wall of the rotating groove 21 is provided with a rotating drum 22, the rotating drum 22 is rotatably connected to the inner wall of the rotating groove 21 through the sleeve 221, the top and bottom of the rotating drum 22 are respectively provided with a punching groove 23, the outer wall of the rotating drum 22 is flat at the position of the two punching grooves 23, and the upper plane is flush with the top of the workbench 1 when it is in a horizontal state, the inner wall of the workbench 1 is slidably connected with a drawer 211, which is provided in a drawer type, the drawer 211 is communicated with the inside of the rotating groove 21 through the discharge port 212.

[0027] In this embodiment, by opening the punching groove 23 on the rotating drum 22, after each punching is completed, the lower punching groove 23 can be rotated to be flush with the top of the workbench 1 by rotating the rotating drum 22, and the punching groove 23 containing the steel sheet is rotated to the lower position, and falls into the drawer 211 through the discharge port 212, and is automatically stacked in the placing groove of the drawer 211.

[0028] As shown in Figure 4 Preferably, the inner wall of the punching groove 23 is slidably connected with a top ring 24, one side of the top ring 24 inside the rotating drum 22 is fixedly connected with an extrusion block 27, the inner wall of the rotating drum 22 is rotatably connected with a rotating shaft 28, the outer wall of the rotating shaft 28 is fixedly sleeved with a cam 29 corresponding to the position of the extrusion block 27, the bottom and top of the inner wall of the rotating drum 22 are respectively fixedly connected with a support plate 25, the two sides of the support plate 25 are respectively slidably connected with a slide rod 26, and the outer wall of the slide rod 26 is movably sleeved with a return spring.

[0029] In this embodiment, by setting the top ring 24 on the inner wall of the punching groove 23, when the rotating drum 22 rotates the punching groove 23 containing the steel sheet to the lower position, the cam 29 can be rotated by the rotating shaft 28, and the protrusion of the cam 29 can abut against the extrusion block 27 and push the top ring 24 connected with the extrusion block 27 to move in the punching groove 23, so as to push out the steel sheet in the punching groove 23, avoiding the steel sheet from being stuck in the punching groove 23 when falling, affecting the subsequent punching, and when the protrusion of the cam 29 leaves the extrusion block 27, the top ring 24 can be automatically reset under the action of the tension of the return spring.

[0030] As shown in Figure 1 , Figure 4 , Figure 5As shown, preferably, the sleeve 221 is fixedly sleeved with a gear 291 at a position outside the outer wall of the rotating shaft 28. Two gear racks 292 are respectively connected to the bottoms of the two gears 291. Two groups of electric cylinders 293 are fixedly connected to one side of the outer wall of the workbench 1 through mounting blocks 294, and the two groups of electric cylinders 293 are respectively fixedly connected to the corresponding gear racks 292.

[0031] In this embodiment, through the connection relationship between the gear rack 292 and the gear 291, whenever the electric cylinder 293 drives the gear rack 292 to extend or retract, the gear 291 will be rotated by one hundred and eighty degrees. When the rotating drum 22 needs to rotate to switch the punching groove 23, the gear rack 292 engaged with the gear 291 sleeved on the outer wall of the sleeve 221 is driven to move, so as to drive the rotating drum 22 to rotate to complete the switching of the punching groove 23. After the switching is completed, the gear rack 292 engaged with the gear 291 sleeved on the outer wall of the rotating shaft 28 is driven to move, so as to drive the cam 29 on the outer wall of the rotating shaft 28 to rotate, and in the process of rotating the cam 29, the protruding part of the cam 29 will press the extrusion block 27.

[0032] As shown in Figure 2 , Figure 3 As shown, preferably, the punching mechanism 3 comprises a support frame 31. A hydraulic cylinder 32 is fixedly connected to the top of the support frame 31. An annular punching cutter 33 is fixedly connected to the bottom of the hydraulic cylinder 32, and is used to punch the steel sheet in cooperation with the punching groove 23.

[0033] In this embodiment, the annular punching cutter 33 is driven by the hydraulic cylinder 32 to sink, and cooperates with the punching groove 23 to facilitate punching the steel belt on the top of the workbench 1.

[0034] The utility model discloses a punch device for generator stator production, when using, through the hydraulic cylinder 32 drive annular blanking cutter 33 subsidence, cooperate blanking groove 23, to facilitate the blanking of the top steel band of workbench 1, through the connecting relationship of rack 292 and gear 291, whenever electric cylinder 293 drive rack 292 to stretch out or retract, will drive gear 291 to rotate one hundred and eighty degrees, when the rotary drum 22 needs to rotate and switch blanking groove 23, drive the rack 292 that the gear 291 of sleeve 221 outer wall sets engages moves, can drive rotary drum 22 rotation and complete the switching of blanking groove 23, and after switching, drive the rack 292 that the gear 291 of pivot 28 outer wall sets engages moves, can drive the cam 29 of pivot 28 outer wall rotation, and in the process of cam 29 rotation, the part of cam 29 protruding will press and extrude block 27, make top ring 24 move in blanking groove 23, thereby the steel sheet in blanking groove 23 is ejected, avoid the steel sheet to fall and be stuck in blanking groove 23 inside, influence the blanking of subsequent, and when the protruding place of cam 29 leaves extrusion block 27, top ring 24 will be reset under the action of the tension of reset spring, and the steel sheet falls into the pull-out box 211 from the discharge port 212 and is automatically stacked in the placing groove of pull-out box 211.

[0035] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0036] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made hereto without departing from the spirit and scope of the application in its broadest form. The scope of the present application should be limited only by the appended claims and their equivalents.

Claims

1. A punch device for the production of a generator stator, comprising a worktable (1), characterised in that: The inside of the workbench (1) is provided with a laminating mechanism (2) for laminating steel sheets; the top of the workbench (1) is provided with a punching mechanism (3) above for punching steel sheets; The laminating mechanism (2) comprises a rotating groove (21) which is opened in the top of the workbench (1), the inner wall of the rotating groove (21) is provided with a rotating drum (22), the rotating drum (22) is rotatably connected to the inner wall of the rotating groove (21) through a sleeve (221), the top and bottom of the rotating drum (22) are respectively provided with punching grooves (23), the outer wall of the rotating drum (22) is flat at the position of the two punching grooves (23), and the upper plane is flush with the top of the workbench (1) when it is in a horizontal state.

2. A punch die apparatus for producing a generator stator according to claim 1, characterized in that: The inner wall of the workbench (1) is slidably connected with a drawer (211) which is provided in a drawer type opening and closing manner, the drawer (211) is communicated with the inside of the rotating groove (21) through a discharge port (212).

3. A punch die apparatus for producing a generator stator according to claim 1, characterized in that: The inner wall of the punching groove (23) is slidably connected with a top ring (24), one side of the top ring (24) inside the rotating drum (22) is fixedly connected with an extrusion block (27).

4. A punch die apparatus for producing a generator stator according to claim 3, characterized in that: The inner wall of the rotating drum (22) is rotatably connected with a rotating shaft (28), the outer wall of the rotating shaft (28) is fixedly sleeved with a cam (29) corresponding to the position of the extrusion block (27).

5. A punch die apparatus for producing a generator stator according to claim 1, characterized in that: The inner wall of the rotating drum (22) is fixedly connected with a support plate (25) at the bottom and the top respectively, the two sides of the support plate (25) are slidably connected with a slide rod (26), the outer wall of the slide rod (26) is movably sleeved with a return spring.

6. A punch die apparatus for producing a generator stator according to claim 4, characterized in that: The sleeve (221) and the outer wall of the rotating shaft (28) are fixedly sleeved with a gear (291) at positions outside the workbench (1), the bottoms of the two gears (291) are respectively meshingly connected with a rack (292), one side of the outer wall of the workbench (1) is fixedly connected with two groups of electric cylinders (293) through mounting blocks (294), and the two groups of electric cylinders (293) are respectively fixedly connected with the racks (292) at corresponding positions.

7. A punch die apparatus for producing a generator stator according to claim 1, characterized in that: The punching mechanism (3) comprises a support frame (31), the top of the support frame (31) is fixedly connected with a hydraulic cylinder (32) below, the bottom of the hydraulic cylinder (32) is fixedly connected with an annular punching knife (33) for punching steel sheets in cooperation with the punching groove (23).

Citation Information

Patent Citations

  • Punching die device for generator stator production

    CN216501785U