CN218693121U - Continuous stamping die of motor shell - Google Patents

Abstract

The utility model provides a continuous stamping die of motor housing, including upper die base, terrace die subassembly, die holder, the terrace die subassembly includes first punching die set, first shaping module, second punching die set, breaks the module, the die subassembly includes first punching insert, first shaping insert, second punching insert and breaks the cushion mold insert; the flitch is pressed down on the first punching insert through the first punching module, a round sheet material is formed on the flitch, the flitch is punched on the first forming insert through the first forming module, a round groove is formed on the flitch, the flitch is punched on the second forming insert through the second forming module to form a groove of an annular boss and a main body, the flitch is punched on the second punching insert through the second punching module to process a positioning hole and a threaded hole, and finally, the flitch is punched on the punching cushion insert through the punching module to form an independent product; the utility model discloses can avoid the processing in motor housing forming process deformation and two holes of edge bulge can not run through the intercommunication.

Description

Continuous stamping die of motor shell

Technical Field

The utility model relates to a continuous stamping die field particularly, relates to a continuous stamping die of motor housing.

Background

As shown in fig. 1-2, the main body of the motor casing is a groove, the bottom of the groove is provided with a circular groove, the bottom of the circular groove is provided with a through hole, an annular boss is formed around the circular groove, the edge of the opening of the motor casing is provided with three bulges, the bulges are provided with a positioning hole and a threaded hole, and the traditional motor casing forming process has the following problems: 1. the bottom of the groove of the motor shell is provided with a circular boss and an annular boss, and the motor shell is easy to deform integrally due to multiple forming processes; 2. the circular groove adopts a one-step forming in-place process, so that the large size error is easily caused, and the circular groove cannot be used after forming; 3. the edge bulge is simultaneously provided with the positioning hole and the threaded hole, so that the two holes are easy to penetrate and communicate.

Disclosure of Invention

In order to overcome the not enough of prior art, the utility model provides a motor housing's continuous stamping die can solve yielding in the motor housing forming process, and the circular slot adopts one step of forming process to lead to the processing in big and two holes of edge bulge of dimensional error to run through the technical problem of intercommunication easily.

In order to solve the technical problem, the utility model provides a following technical scheme: the punching die comprises an upper die base, a male die component, a female die component and a lower die base which are sequentially arranged from top to bottom, wherein the male die component comprises a first punching module, a first forming module, a second punching module and a breaking module which are sequentially distributed along the feeding direction, and the female die component comprises a first punching module, a first forming module, a second punching module, a first punching insert, a first forming insert, a second punching insert and a breaking cushion insert which correspond to the breaking module in position.

Further, the first punching die set comprises a first arc-shaped knife and a second arc-shaped knife, the first punching cushion block insert comprises a first arc-shaped hole cushion groove and a second arc-shaped hole cushion groove, and the first arc-shaped knife and the second arc-shaped knife correspond to the first arc-shaped hole cushion groove and the second arc-shaped hole cushion groove respectively.

Further, the first forming die set comprises a first forming punch block, a second forming punch block, a third forming punch block, a fourth forming punch block and a fifth forming punch block, the first forming insert comprises a first forming pad groove, a second forming pad groove, a third forming pad groove, a fourth forming pad groove and a fifth forming pad groove, and the first forming punch block, the second forming punch block, the third forming punch block, the fourth forming punch block and the fifth forming punch block respectively correspond to the first forming pad groove, the second forming pad groove, the third forming pad groove, the fourth forming pad groove and the fifth forming pad groove.

Furthermore, the second molding assembly comprises a first boss punch block, a first cylinder punch block and a second cylinder punch block, the second molding insert comprises a first boss cushion block, a first groove and a second groove, and the first boss punch block, the first cylinder punch block and the second cylinder punch block correspond to the first boss cushion block, the first groove and the second groove respectively.

Furthermore, the second punching insert comprises a first punching groove, a second punching groove, a flanging groove and a tapping groove, and the second punching knife, the flanging punching block and the tapping punch respectively correspond to the first punching groove, the second punching groove, the flanging groove and the tapping punch.

Furthermore, the punching module comprises a punching knife, the punching cushion block insert comprises a punching groove, and the punching knife corresponds to the punching groove.

The utility model has the advantages that:

the utility model relates to a continuous stamping die of motor housing, including upper die base, terrace die subassembly, the die holder that top-down set gradually, the terrace die subassembly includes the first punching die set, first shaping module, second shaping module, the second punching die set, the die break module that distribute along the pay-off direction in proper order, the die subassembly includes first punching mold insert, first shaping mold insert, second shaping mold insert, the second punching mold insert and breaks the cushion mold insert; the material plate is pressed on the first punching insert through the first punching module in sequence, a round sheet material is formed on the material plate, the material plate is punched on the first molding insert through the first molding module, a round groove at the bottom of the motor shell is formed on the material plate, then the material plate is punched on the second molding insert through the second molding module to form an annular boss and an integral groove around the round groove, then the material plate is punched on the second punching insert through the second punching module, a positioning hole and a threaded hole are processed at the edge of the integral groove, and finally the material plate is punched on the punching pad insert through the punching module to form a complete product; the utility model discloses can avoid yielding in the motor housing forming process, the circular slot adopts the processing in the two holes in the little and marginal bulge of multistep shaping technology size error can not run through the intercommunication.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a motor housing;

FIG. 2 is a schematic sectional view of the motor casing;

FIG. 3 is a schematic structural view of a female die assembly of a continuous stamping die for a motor housing according to the present invention;

fig. 4 is a schematic view of an overall side structure of a continuous stamping die for a motor housing according to the present invention;

fig. 5 is a schematic structural view of a first punching insert of a continuous punching die for a motor housing according to the present invention;

fig. 6 is a schematic structural view of a first forming insert of a continuous stamping die for a motor housing according to the present invention;

fig. 7 is a schematic structural view of a second molding insert of a continuous stamping die for a motor housing according to the present invention;

fig. 8 is a schematic structural view of a second punching insert of the continuous stamping die for the motor housing according to the present invention;

fig. 9 is a schematic view of a structure of a continuous punching die for a motor housing according to the present invention.

Description of the main elements

10. A motor housing; 101. a circular groove; 102. a through hole; 103. positioning holes; 104. a threaded hole; 105. an annular boss;

20. an upper die holder;

30. a first piercing insert; 301. a first arc-shaped hole gasket groove; 302. a second arc-shaped hole pad groove;

40. a first molding insert; 401. a first forming pad groove; 402. a second forming pad groove; 403. a third forming pad groove; 404. a fourth forming pad groove; 405. a fifth forming pad groove;

41. a first molding module; 411. a first forming punch; 412. a second forming punch; 413. a third forming punch block; 414. a fourth forming punch; 415. a fifth forming punch block;

50. a second molding insert; 501. a first boss cushion block; 502. a first groove; 503. a second groove;

51. a second molding module; 511. a first boss punch; 512. a first cylindrical punch; 513. a second cylindrical punch;

60. a second piercing insert; 601. a first punching groove; 602. a second punching rolling groove; 603. a hole flanging groove; 604. tapping a tooth socket;

70. punching the groove;

80. a lower die holder;

90. and a material plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

The motor housing 10 shown in fig. 1-2 has a groove-shaped main body, a circular groove 101 is formed at the bottom of the groove, a through hole 102 is formed at the bottom of the circular groove 101, an annular boss 105 is formed around the circular groove 101, and three protrusions are formed at the edge of the opening of the motor housing 10, and a positioning hole 103 and a threaded hole 104 are formed on the protrusions.

Referring to fig. 3-4, the present invention provides a continuous stamping die for a motor housing, including an upper die base 20, a male die assembly, a female die assembly, and a lower die base 80, which are sequentially arranged from top to bottom, wherein the male die assembly includes a first punching module, a first forming module 41, a second forming module 51, a second punching module, and a breaking module, which are sequentially distributed along a feeding direction, and the female die assembly includes a first punching insert 30, a first forming insert 40, a second forming insert 50, a second punching insert 60, and a breaking pad insert; specifically, the material plate 90 is sequentially pressed on the first punching insert 30 through the first punching module from the outside at a stepping speed, a circular sheet is formed on the material plate 90, the circular sheet is punched on the first molding insert 40 through the first molding module 41, a circular groove 101 at the bottom of the motor housing 10 is formed on the material plate 90, the circular groove is punched on the second molding insert 50 through the second molding module 51, an annular boss 105 and an integral groove are formed around the circular groove 101, the circular groove is punched on the second punching insert 60 through the second punching module, a positioning hole 103 and a threaded hole 104 are machined at the edge of the integral groove, and finally the punching insert is punched through the punching module to form a complete product. The machined motor housing 10 is not deformed, and the positioning hole 103 and the threaded hole 104 on the edge of the motor housing 10 do not communicate with each other.

Referring to fig. 5, the first punching module includes a first arc-shaped cutter and a second arc-shaped cutter, the first punching pad insert includes a first arc-shaped hole pad slot 301 and a second arc-shaped hole pad slot 302, and the first arc-shaped cutter and the second arc-shaped cutter respectively correspond to the first arc-shaped hole pad slot 301 and the second arc-shaped hole pad slot 302. Concretely, flitch 90 gets into continuous stamping die from the left end with marching speed from external equipment, through first arc sword punching press at first arc hole backing groove 301, form the first circular arc hole of three-section on flitch 90, it presses at second arc hole backing groove 302 to go to the second arc hole punching press again, further form three-section second circular arc hole on flitch 90, the preliminary circular tablet that is used for stamping motor casing 10 that forms, space between circular tablet and the flitch 90 is for providing the space of deformation in the punching press that follows, avoid the stamping process to warp.

Referring to fig. 6, the first molding die set 41 includes a first molding punch 411, a second molding punch 412, a third molding punch 413, a fourth molding punch 414, and a fifth molding punch 415, the first molding insert 40 includes a first molding pad groove 401, a second molding pad groove 402, a third molding pad groove 403, a fourth molding pad groove 404, and a fifth molding pad groove 405, and the first molding punch 411, the second molding punch 412, the third molding punch 413, the fourth molding punch 414, and the fifth molding punch 415 correspond to the first molding pad groove 401, the second molding pad groove 402, the third molding pad groove 403, the fourth molding pad groove 404, and the fifth molding pad groove 405, respectively, and specifically, the material plate 90 sequentially passes through the first molding punch 411, the second molding punch 412, the third molding punch 413, the fourth molding punch 414, and the fifth molding punch 415, the fourth molding pad groove 404, the fourth molding punch 404, and the fifth molding punch 415, the circular middle molding pad groove 101, and the size of the third molding pad groove 101 is improved.

Referring to fig. 7, the second molding module 51 includes a first boss block 511, a first cylindrical block 512, and a second cylindrical block 513, the second molding insert 50 includes a first boss block 501, a first recess 502, and a second recess 503, and the first boss block 511, the first cylindrical block 512, and the second cylindrical block 513 correspond to the first boss block 501, the first recess 502, and the second recess 503, respectively. Specifically, the punching plate 90 of the first boss punching block 511 is arranged on the first boss cushion block 501, the annular boss 105 is formed around the circular groove 101, the punching plate 90 is arranged in the first groove 502 through the first cylindrical punching block 512, a groove of the motor shell 10 main body is preliminarily formed, the groove of the motor shell 10 main body is arranged in the second groove 503 through the groove of the second cylindrical punching motor shell 10 main body, the processing of the groove of the motor shell 10 main body is completed, and the groove size of the main body after twice molding is more accurate and can be avoided from processing deformation.

Referring to fig. 8, the second punching module includes a first punching blade, a second punching blade, a hole flanging punching block and a tapping punch, the second punching insert 60 includes a first punching slot 601, a second punching slot, a hole flanging slot 603 and a tapping slot 604, and the second punching blade, the hole flanging punching block and the tapping punch respectively correspond to the first punching slot 601, the second punching slot, the hole flanging slot 603 and the tapping slot 604. Specifically, the material plate 90 is pressed down in the first punching groove 601 and the second punching groove through the first punching knife and the second punching knife at the same time, the first punching knife forms the through hole 102 at the bottom of the circular groove 101 through punching, the second punching knife forms the positioning hole 103, then the hole flanging punching block presses down the material plate 90 in the hole flanging groove 603, a counter bore is formed in one side of the positioning hole 103 in the material plate 90, and then the tapping punch presses down the counter bore to perform internal thread machining to form the threaded hole 104.

Referring to fig. 9, the punching die set includes a punching blade, and the punching pad insert includes a punching groove 70, and the punching blade corresponds to the punching groove 70. The material plate 90 is formed with a main body groove, a circular groove 101, a positioning hole 103 and a threaded hole 104 and then pressed down in the punching groove 70 by a punching knife to form an independent motor housing 10.

When the stamping die is used, the material plate 90 enters from the left side of the continuous stamping die (when the die is horizontally placed) through external stepping conveying equipment, the material plate 90 is pressed in the first arc-shaped hole pad groove 301 and the second arc-shaped hole pad groove 302 through the first arc-shaped knife and the second arc-shaped knife in sequence, and a circular material sheet for stamping and forming the motor shell 10 is preliminarily formed on the material plate 90; then the material plate 90 passes through a first forming punch 411, a second forming punch 412, a third forming punch 413, a fourth forming punch 414 and a fifth forming punch 415 in sequence and is pressed down on a first forming pad groove 401, a second forming pad groove 402, a third forming pad groove 403, a fourth forming pad groove 404 and a fifth forming pad groove 405, a circular groove 101 is formed in the middle of the circular material plate on the material plate 90, then a first boss punch 511, a first cylindrical punch 512 and a second cylindrical punch 513 are pressed on a first boss pad 501, a first groove 502 and a second groove 503 to form a groove of the main body of the motor housing 10, then the material plate 90 is pressed on the first boss pad 601, the second punch groove, a hole-flanging punch 603 and a tooth groove 604 through a first punch, a second punch, a hole-turning punch, a tapping punch 70 to form a positioning hole 103 and a threaded hole 104 around the groove of the main body on the material plate 90, and finally the independent motor housing 10 is formed through a tapping punch 70.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The continuous stamping die of the motor shell is used for stamping a material plate to form the motor shell and is characterized by comprising an upper die base, a male die component, a female die component and a lower die base which are sequentially arranged from top to bottom, wherein the male die component comprises a first punching module, a first forming module, a second punching module and a breaking module which are sequentially distributed along the feeding direction, and the female die component comprises a first punching insert, a first forming insert, a second punching insert and a breaking cushion insert which correspond to the first punching module, the first forming module, the second punching module, the breaking module and the breaking cushion insert.

2. The continuous press die of the motor housing as set forth in claim 1, wherein: the first punching module comprises a first arc-shaped knife and a second arc-shaped knife, the first punching cushion insert comprises a first arc-shaped hole pad groove and a second arc-shaped hole pad groove, and the first arc-shaped knife and the second arc-shaped knife correspond to the first arc-shaped hole pad groove and the second arc-shaped hole pad groove respectively.

3. The continuous press die of the motor housing as set forth in claim 1, wherein: the first forming die set comprises a first forming punch block, a second forming punch block, a third forming punch block, a fourth forming punch block and a fifth forming punch block, the first forming insert comprises a first forming pad groove, a second forming pad groove, a third forming pad groove, a fourth forming pad groove and a fifth forming pad groove, and the first forming punch block, the second forming punch block, the third forming punch block, the fourth forming punch block and the fifth forming punch block respectively correspond to the first forming pad groove, the second forming pad groove, the third forming pad groove, the fourth forming pad groove and the fifth forming pad groove.

4. The continuous press die of the motor housing as set forth in claim 1, wherein: the second molding assembly comprises a first boss punching block, a first cylinder punching block and a second cylinder punching block, the second molding insert comprises a first boss cushion block, a first groove and a second groove, and the first boss punching block, the first cylinder punching block and the second cylinder punching block respectively correspond to the first boss cushion block, the first groove and the second groove.

5. The continuous press die of the motor housing as set forth in claim 1, wherein: the second punching insert comprises a first punching groove, a second punching groove, a hole flanging punching block and a tapping punch, and the second punching knife, the hole flanging punching block and the tapping punch respectively correspond to the first punching groove, the second punching groove, the hole flanging punching block and the tapping punch.

6. The continuous press die of the motor housing as set forth in claim 1, wherein: the punching module comprises a punching knife, the punching cushion block insert comprises a punching groove, and the punching knife corresponds to the punching groove.

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