Motor stator and rotor compound punching die

Abstract

The utility model relates to a compound punching die, in particular to a stator and rotor compound punching die, and belongs to the technical field of mechanical equipment. A motor stator and rotor compound punching die comprises a positioning mechanism, a compound punching die and a base. The compound punching die comprises a movable die and a static die; the static mold is arranged on the base; the movable mold is connected with a driving mechanism; the positioning mechanism is arranged on one side of the discharging opening base; the positioning mechanism comprises a positioning plate and a positioning block; and the positioning block is arranged at the tail end of the positioning plate. According to the utility model, when a silicon steel sheet is punched, a stator and a rotor are directly punched into a finished product at one time, the distances between the stator and the rotor are ensured to be equal, the punching is accurate, and the consumption of the silicon steel sheet is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a compound die, especially a stator-rotor compound die, and belongs to the technical field of mechanical equipment. BACKGROUND

[0002] In the processing of the stator and the rotor of the motor, the plate material is punched out by the die to obtain the required outer contour blank. In the traditional die, the plate material is punched into the stator blank, the rotor blank and the excess waste, and then the stator blank and the rotor blank are punched into shape respectively. This die mode not only has a complex process flow, but also cannot fix the punching position of the stator and rotor sheets in the process of punching the stator and rotor sheets, which causes the position interval of the processed stator and rotor sheets to be not fixed, wastes materials and greatly increases the production cost. UTILITY MODEL CONTENTS

[0003] The utility model discloses a motor stator-rotor compound die which can effectively simplify the process flow, accurately punch the stator and rotor sheets, improve the work efficiency, reduce the production cost and save the product processing time.

[0004] The utility model discloses a motor stator-rotor compound die which can effectively simplify the process flow, accurately punch the stator and rotor sheets, improve the work efficiency, reduce the production cost and save the product processing time.

[0005] Further, the dynamic die is provided with a guide sleeve, the base is provided with a guide column matched with the guide sleeve, and the dynamic die is guided and connected with the base through the guide sleeve and the guide column.

[0006] Further, the positioning plate is of a "T" type structure, the head end of the "T" type structure is connected with the base, and the tail end of the "T" type structure is connected with the positioning block.

[0007] Further, the head end of the "T" type structure is provided with two threaded holes, the base is provided with two threaded blind holes corresponding to the two threaded holes, and the head end of the "T" type structure is threadedly connected with the base through bolts.

[0008] Further, the tail end of the "T" type structure is provided with a waist round hole, the positioning block is provided with a threaded hole in the middle, and the locking screw is threadedly connected with the positioning block through the waist round hole.

[0009] Further, the diameter of the head of the locking screw is greater than the width of the waist round hole, and the width of the positioning block is greater than the width of the waist round hole.

[0010] Further, the center circle of the first stator and rotor piece after the punching of the silicon steel sheet is abutted against the positioning block, the punching position of the second stator and rotor piece is positioned, and one silicon steel sheet can punch at least two stator and rotor pieces.

[0011] Further, the plane abutted against the center circle of the positioning block is an arc surface, and the arc of the arc surface is matched with the arc of the center circle.

[0012] Compared with the prior art, the utility model has the advantages that: when the silicon steel sheet is punched, the stator and rotor are punched out as finished products at one time, the distance between each stator and rotor piece is ensured to be equal, accurate punching is realized, silicon steel consumption is effectively reduced, production efficiency is improved, the process flow required when the stator and rotor are processed is reduced, and energy consumption during processing is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] ATTACHED Figure 1 It is a structural schematic diagram of the utility model;

[0014] ATTACHED Figure 2 It is a use state diagram of the utility model;

[0015] ATTACHED Figure 3 It is a structural schematic diagram of the silicon steel sheet after punching;

[0016] ATTACHED Figure 4 It is a top view of the positioning mechanism of the utility model;

[0017] ATTACHED Figure 5 It is a sectional view of the positioning mechanism of the utility model Figure 1 ;

[0018] ATTACHED Figure 6 It is a sectional view of the positioning mechanism of the utility model Figure 2 ;

[0019] ATTACHED Figure 7 It is a structural schematic diagram of the positioning block of the utility model;

[0020] In the drawing: 1, moving die, 2, static die, 3, base, 4, positioning plate, 5, positioning block, 6, guide sleeve, 7, guide column, 8, locking screw, 9, waist round hole, 10, first stator and rotor piece, 11, second stator and rotor piece, 12, arc surface, 13, silicon steel sheet, 14, center circle. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical schemes and beneficial effects to be solved by the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and embodiments.

[0022] Embodiment:

[0023] As Figures 1-7 shown in the figure, a motor stator-rotor compound die comprises a positioning mechanism, a compound die and a base 3; the compound die comprises a moving die 1 and a static die 2; the static die 2 is arranged on the base 3; the moving die 1 is connected with a driving mechanism; the positioning mechanism is arranged on one side of the discharge port base 3; the positioning mechanism comprises a positioning plate 4 and a positioning block 5; the positioning block 5 is arranged at the tail end of the positioning plate 4.

[0024] It should be noted that the moving die 1 is placed above the static die 2; the to-be-stamped silicon steel sheet 13 is placed between the moving die 1 and the static die 2; the driving mechanism in the above is a stamping machine, and the connection mode of the stamping machine and the moving die 1 is any one mode of the commonly known knowledge.

[0025] Further, it further comprises a guide sleeve 6 and a guide column 7, the moving die 1 is provided with the guide sleeve 6; the base 3 is provided with the guide column 7 matched with the guide sleeve 6; the moving die 1 is connected in a guided mode through the guide sleeve 6 and the guide column 7 of the base 3.

[0026] Further, the positioning plate 4 is of a "T" type structure; the head end of the "T" type structure is connected with the base 3; the tail end of the "T" type structure is connected with the positioning block.

[0027] Further, the head end of the "T" type structure is provided with two threaded through holes; the base 3 is provided with two threaded blind holes at positions corresponding to the two threaded through holes; the head end of the "T" type structure is threadedly connected with the base 3 through bolts.

[0028] Further, it further comprises a locking screw 8, the tail end of the "T" type structure is provided with a waist round hole 9; the positioning block 5 is provided with a threaded hole in the middle; the locking screw 8 is threadedly connected with the positioning block 5 through the waist round hole 9.

[0029] It should be noted that according to the size of the to-be-stamped stator-rotor sheet, the distance between the positioning block and the center circle 14 of the next stator-rotor sheet can be adjusted through the waist round hole 9, the stamping positions of the second, third and multiple stator-rotor sheets are confirmed, and the spacing size of the stator-rotor sheets is ensured.

[0030] Further, the diameter of the head of the locking screw 8 is greater than the width of the waist round hole 9; the width of the positioning block 5 is greater than the width of the waist round hole 9.

[0031] Further, the center circle 14 of the first stator-rotor piece 10 after the punching of the silicon steel sheet 13 to be punched is completed abuts against the positioning block, the punching position of the second stator-rotor piece 11 is positioned, and one silicon steel sheet 13 to be punched can punch at least two stator-rotor pieces.

[0032] Further, the plane abutting against the center circle 14 of the positioning block 5 is an arc surface 12, and the arc of the arc surface 12 is matched with the arc of the center circle 14.

[0033] It should be noted that when the motor stator-rotor punching piece mold works, the silicon steel sheet 13 strip can punch multiple stator-rotor pieces, in order to ensure that the distance of each piece is equal, the adjacent stator-rotor pieces are not cut during the piece cutting, therefore, the positioning mechanism is designed to be mounted on the mold, the silicon steel sheet 13 strip is pulled out after the first punching, the center circle 14 is clamped to the positioning block 5, and the second piece is punched, and the third piece and the fourth piece are punched in the same way.

[0034] Working principle: the stator-rotor compound punching die of the utility model is fixed on a punch, the silicon steel sheet 13 raw material is fixed on the feeding table surface, the silicon steel sheet 13 to be punched is placed between the movable die and the static die 2, first punching is carried out, the first piece is pulled out after the first punching, the center circle 14 of the first stator-rotor piece 10 abuts against the positioning block 5, the punch carries out second punching, the second piece is pulled out after the second punching, the center circle 14 of the second stator-rotor piece 11 abuts against the positioning block 5, and the third stator-rotor piece, the fourth stator-rotor piece and the like are completed in the same way, the spacing between the punched stator-rotor pieces and the stator-rotor pieces is equal and moderate, the silicon steel sheet 13 after the punching is better operated when the stator-rotor pieces are cut, the working efficiency is improved, cutting to other stator-rotor pieces is avoided when the stator-rotor pieces are cut, and the waste of the silicon steel sheet 13 raw material caused by the unequal punching spacing is also avoided.

[0035] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection range of the utility model.

Claims

1. A motor stator-rotor compound die, characterized by: Including positioning mechanism, compound die and base; The compound die includes movable die and static die; The static die is arranged on the base; The movable die is connected with the driving mechanism; The positioning mechanism is arranged on one side of the discharge port base; The positioning mechanism includes positioning plate and positioning block; The positioning block is arranged at the tail end of the positioning plate.

2. The motor stator-rotor compound die according to claim 1, wherein: Also including guide sleeve and guide column, the movable die is provided with guide sleeve; The base is provided with guide column matched with the guide sleeve; The movable die is connected through the guide sleeve and the guide column of the base.

3. The motor stator-rotor compound die according to claim 1, wherein: The positioning plate is "T" type structure; The head end of the "T" type structure is connected with the base; The tail end of the "T" type structure is connected with the positioning block.

4. The motor stator-rotor compound die according to claim 3, wherein: The head end of the "T" type structure is provided with two threaded holes; The base is provided with two threaded blind holes corresponding to the two threaded holes; The head end of the "T" type structure is connected with the base through bolts.

5. The motor stator-rotor compound die according to claim 3 or 4, characterized in that: Also including locking screw, the tail end of the "T" type structure is provided with a waist round hole; The positioning block is provided with a threaded hole in the middle; The locking screw is connected with the positioning block through the waist round hole.

6. The motor stator-rotor compound die according to claim 5, characterized in that: The diameter of the head of the locking screw is greater than the width of the waist round hole; The width of the positioning block is greater than the width of the waist round hole.

7. The motor stator-rotor compound die according to claim 1 or 6, characterized in that: The center circle of the first fixed rotor piece after the punching of the silicon steel sheet to be punched abuts against the positioning block, and the punching position of the second fixed rotor piece is positioned, and one silicon steel sheet to be punched can punch at least two fixed rotor pieces.

8. The motor stator-rotor compound die according to claim 7, characterized in that: The plane abutting against the center circle of the positioning block is arc surface; The curvature of the arc surface is matched with the curvature of the center circle.

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