CN114178381A - Die capable of punching from inside to outside and implementation method thereof - Google Patents

Die capable of punching from inside to outside and implementation method thereof Download PDF

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Publication number
CN114178381A
CN114178381A CN202111485820.0A CN202111485820A CN114178381A CN 114178381 A CN114178381 A CN 114178381A CN 202111485820 A CN202111485820 A CN 202111485820A CN 114178381 A CN114178381 A CN 114178381A
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China
Prior art keywords
die
male die
female die
male
seat
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Granted
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CN202111485820.0A
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Chinese (zh)
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CN114178381B (en
Inventor
楼亚晖
肖元粮
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Hengdian Group DMEGC Magnetics Co Ltd
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Hengdian Group DMEGC Magnetics Co Ltd
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Priority to CN202111485820.0A priority Critical patent/CN114178381B/en
Publication of CN114178381A publication Critical patent/CN114178381A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/10—Die sets; Pillar guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003—Positioning devices

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)

Abstract

The invention discloses a die capable of punching from inside to outside, which belongs to the technical field of stamping dies and comprises a lower fixed seat, wherein a positioning seat is arranged in the middle position above the lower fixed seat, a female die assembly is arranged on one side of the positioning seat, a male die assembly is arranged on the other side of the lower positioning seat, and an upper fixed seat is arranged above the female die assembly and the male die assembly; the invention also discloses a realization method of the die capable of punching from inside to outside. The die is pushed to extend to one side to abut against the surface of the workpiece to be notching by downward action of the die wedge, so that the workpiece to be notching is positioned, and the side of the male die is pushed to extend to be matched with the female die to notch the workpiece to be notching by downward action of the male die wedge, so that the outward direction of notching burrs is realized, and the requirements of products are met.

Description

Die capable of punching from inside to outside and implementation method thereof
Technical Field
The invention belongs to the technical field of stamping dies, and particularly relates to a die capable of stamping from inside to outside and an implementation method thereof.
Background
The miniature vibration motor is an indispensable component of electronic products such as mobile phones, tablet computers, handheld game consoles and the like, and provides tactile feedback for users. At present, mobile consumer electronics products in the market generally use a vibration motor as a system feedback component, such as incoming call prompt of a mobile phone, vibration feedback of a game machine, and the like.
Miniature vibrating motor's casing needs a notch in its bottom side blow in process of production, and requires the burr direction outwards, however the side blow mould among the prior art is most to carry out the blanking from outside to inside, and the burr direction is inwards, consequently, needs a mould of side blow from inside to outside urgently.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a die capable of punching from inside to outside, which has the characteristics that burrs face outwards, and waste materials cannot be clamped in the die.
The invention also aims to provide a realization method of the die capable of punching from inside to outside.
In order to achieve the purpose, the invention provides the following technical scheme: a die capable of punching from inside to outside comprises a lower fixing seat, wherein a positioning seat is arranged in the middle above the lower fixing seat, a female die assembly is arranged on one side of the positioning seat, a male die assembly is arranged on the other side of the lower positioning seat, and an upper fixing seat is arranged above the female die assembly and the male die assembly; the female die assembly comprises a female die seat and a female die wedge, the female die seat is arranged above the lower fixing seat, the female die wedge is connected to the upper fixing seat, a female die slides in the female die seat, the male die assembly comprises a male die seat and a male die wedge, the male die seat is arranged above the lower fixing seat, the male die wedge is connected to the upper fixing seat, a male die push block slides in the male die seat, and one side of the male die push block is connected with a male die corresponding to the female die.
In order to realize outward direction of the notching burrs and meet the requirements of products, a female die wedge stop block is arranged on one side of a female die seat, a female die stripping screw slides on the female die wedge stop block, the end part of the female die stripping screw is connected with a female die, a female die stripping spring is sleeved on the female die stripping screw, a male die stripping screw slides on the male die seat and is connected with a male die push block, and a male die stripping spring is arranged on the male die stripping screw.
In order to discharge the notching waste, blanking holes are further formed in the lower fixing seat and the die holder.
In order to ensure that the female die can be pushed to one side to extend when the female die wedge moves downwards, and the male die push block can be pushed to one side to move when the male die wedge moves downwards, so as to push the male die to extend, further, corresponding first inclined planes are arranged on the female die wedge and the female die, and corresponding second inclined planes are arranged on the male die wedge and the male die push block.
In order to position the workpiece to be subjected to notching after the female die extends out, the male die acts to punch the workpiece to be subjected to notching again, and the accuracy of the punching size is ensured.
In order to limit the resetting of the female die and the male die push block, a lower fixed seat is further provided with a backer corresponding to the female die and the male die push block respectively.
In order to blow waste generated by blanking into the blanking hole and avoid the influence on secondary blanking action caused by bringing the waste into the die when the male die is reset, furthermore, the positioning seat is provided with a positioning seat air passage, and the male die is provided with a male die air passage communicated with the positioning seat air passage.
In order to facilitate the waste materials to enter the blanking hole, the head of the male die is further provided with a downward inclined platform.
In order to avoid the bottom of the workpiece to be punched and provide space for the action of the male die, a groove is further arranged above the male die.
In order to avoid the backer and the stripping screws, furthermore, the bottoms of the male die wedge and the female die wedge are respectively provided with an avoiding groove.
In order to ensure that the stress of the female die is uniform and the corner breakage at the knife edge is not easy to occur, further, the surface of the female die, which is in contact with the workpiece to be notching, is of a circular arc structure.
Further, the implementation method of the die capable of punching from inside to outside comprises the following steps:
manually placing a workpiece to be subjected to notching on the positioning seat, and driving the upper fixing seat to move downwards by the press;
secondly, the female die wedge is abutted against the female die to push the female die to extend to one side to be matched with the positioning seat to position the workpiece to be subjected to notching;
thirdly, the male die wedge is abutted against the male die push block to push the male die push block to extend out to one side, so that the male die is driven to extend out to be matched with the female die to perform notching action on the workpiece;
after the notching operation is in place, the air source is connected for blowing, and the waste materials generated by punching are blown into the blanking hole for discharging;
and (V) the press drives the upper fixing seat to reset upwards, the female die retracts under the action of the female die stripping spring, the male die retracts under the action of the male die stripping spring, and the workpiece which is punched is manually taken out to complete demoulding.
Compared with the prior art, the invention has the beneficial effects that:
1. the die is pushed to extend to one side to abut against the surface of the workpiece to be notching through the downward action of the die wedge, so that the workpiece to be notching is positioned, the side of the male die is pushed to extend to be matched with the female die to notch the workpiece to be notching through the downward action of the male die wedge, and the outward direction of notching burrs is realized, so that the requirement of a product is met;
2. the length of the die wedge is longer than that of the punch wedge, so that the die extends out of the workpiece to be punched and is positioned, the punch acts to punch the workpiece to be punched, and the accuracy of the punching size is ensured;
3. the positioning seat is provided with a positioning seat air passage, the input end of the positioning seat air passage is connected with an air source, the male die is provided with a male die air passage, when the male die is positioned in a blanking in-place stroke, the male die air passage is communicated with the positioning seat air passage, the head of the male die is provided with a downward inclined platform, waste materials can conveniently enter a blanking hole due to the arrangement of the inclined platform, after blanking is finished, air is blown through the air source, the waste materials generated by blanking are blown into the blanking hole, and the phenomenon that the waste materials are brought into a die when the male die is reset to influence secondary blanking action is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a female die assembly of the present invention;
FIG. 3 is a schematic structural view of a male die assembly of the invention;
FIG. 4 is a schematic structural view of a female die wedge of the present invention;
FIG. 5 is a schematic structural view of a male cam wedge of the present invention;
FIG. 6 is a schematic structural view of the male mold of the present invention;
FIG. 7 is a side view of the cam wedge of FIG. 5 in accordance with the present invention;
fig. 8 is a schematic top view of the female mold of the present invention.
In the figure: 1. a lower fixed seat; 2. a female die assembly; 21. a female die stripping spring; 22. stripping screws by using a female die; 23. a concave die wedge block; 24. a concave die wedge; 25. a female die; 26. a female die holder; 3. an upper fixed seat; 4. pressing blocks; 5. a male die assembly; 51. a convex die holder; 52. removing the material screw by the male die; 53. a male die stripping spring; 54. a male die wedge; 541. an avoidance groove; 55. a male die push block; 56. a male die; 561. a sloping table; 562. a male die gas circuit; 563. a groove; 6. positioning seats; 7. a positioning seat gas circuit; 8. a blanking hole; 9. a backer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-8, the present invention provides the following technical solutions: a die capable of punching from inside to outside comprises a lower fixing seat 1, a positioning seat 6 is arranged in the middle position above the lower fixing seat 1, a female die assembly 2 is arranged on one side of the positioning seat 6, a male die assembly 5 is arranged on the other side of the lower positioning seat 6, and an upper fixing seat 3 is arranged above the female die assembly 2 and the male die assembly 5; the female die assembly 2 comprises a female die seat 26 and a female die wedge 24, the female die seat 26 is arranged above the lower fixed seat 1, the female die wedge 24 is connected to the upper fixed seat 3, a female die 25 slides in the female die seat 26, the lower end of the female die wedge 24 is embedded into the female die seat 26 and corresponds to the female die 25, the male die assembly 5 comprises a male die seat 51 and a male die wedge 54, the male die seat 51 is arranged above the lower fixed seat 1, the male die wedge 54 is connected to the upper fixed seat 3, a male die push block 55 slides in the male die seat 51, one side of the male die push block 55 is connected with a male die 56 corresponding to the female die 25, the end of the male die 56 penetrates through the positioning seat 6, and the lower end of the male die wedge 54 is embedded into the male die seat 51 and corresponds to the male die push block 55.
By adopting the technical scheme, the die wedge 24 acts downwards to push the die 25 to extend to one side to abut against the surface of the workpiece to be notching, so that the workpiece to be notching is positioned, the punch wedge 54 acts downwards to push the male die 56 to extend to one side to be matched with the die 25 to notch the workpiece to be notching, and therefore the notching burr direction is outward, and the requirement of a product is met.
Specifically, a female die wedge stop block 23 is arranged on one side of a female die seat 26, a female die stripping screw 22 slides on the female die wedge stop block 23, the end of the female die stripping screw 22 is connected with a female die 25, a female die stripping spring 21 is sleeved on the female die stripping screw 22, a male die stripping screw 52 slides on a male die seat 51, the male die stripping screw 52 is connected with a male die push block 55, and a male die stripping spring 53 is arranged on the male die stripping screw 52.
By adopting the technical scheme, the female die 25 and the male die 56 are automatically reset through the female die stripping spring 21 and the male die stripping spring 53.
Specifically, the lower fixed seat 1 and the female die holder 26 are provided with blanking holes 8.
Through adopting above-mentioned technical scheme for the discharge of dashing groove waste material.
Specifically, the die wedge 24 and the die 25 are provided with corresponding first inclined surfaces, and the punch wedge 54 and the punch push block 55 are provided with corresponding second inclined surfaces.
By adopting the technical scheme, the female die 25 can be pushed to one side to extend when the female die wedge 24 moves downwards, and the male die push block 55 can be pushed to one side to move when the male die wedge 54 moves downwards, so that the male die 56 is pushed to extend.
Specifically, the length of the die wedge 24 is longer than the length of the punch wedge 54.
By adopting the technical scheme, the female die 25 firstly extends out of the workpiece to be punched and is positioned, and the male die 56 then acts to punch the workpiece to be punched, so that the accuracy of the punching size is ensured.
Specifically, a material pressing block 4 corresponding to the positioning seat 6 is arranged below the upper fixing seat 3.
By adopting the technical scheme, the workpiece to be notching is pressed on the positioning seat 6 through the material pressing block 4.
Example 2
The present embodiment is different from embodiment 1 in that: specifically, a positioning seat air passage 7 is arranged on the positioning seat 6, an input end of the positioning seat air passage 7 is connected with an air source, a punch air passage 562 is arranged on the punch 56, and when the punch 56 is located in a blanking in-place stroke, the punch air passage 562 is communicated with the positioning seat air passage 7.
Through adopting above-mentioned technical scheme, after the blanking, blow through the air supply, blow in blanking hole 8 with the waste material that the blanking produced, bring the waste material into the mould when avoiding terrace die 56 to reset, influence blanking action once more.
Example 3
The present embodiment is different from embodiment 1 in that: specifically, the head of the punch 56 is provided with a downwardly inclined ramp 561.
Through adopting above-mentioned technical scheme, be convenient for the waste material get into in blanking hole 8.
Example 4
The present embodiment is different from embodiment 1 in that: specifically, a groove 563 is provided above the male die 56.
By adopting the technical scheme, the bottom of the workpiece to be punched is avoided, and space is provided for the action of the punch 56.
Example 5
The present embodiment is different from embodiment 1 in that: specifically, the bottom portions of the male die wedge 54 and the female die wedge 24 are both provided with avoidance grooves 541.
Through adopting above-mentioned technical scheme for avoid backer 9 and take off the material screw.
Example 6
The present embodiment is different from embodiment 1 in that: specifically, the surface of the female die 25, which is in contact with the workpiece to be notching, is of a circular arc structure.
By adopting the technical scheme, the female die 25 is uniformly stressed, and the corner collapse at the knife edge is not easy to occur.
Example 7
The present embodiment is different from embodiment 1 in that: specifically, the lower fixing seat 1 is provided with a backer seat 9 corresponding to the female die 25 and the male die push block 55 respectively.
By adopting the technical scheme, the reset of the female die 25 and the male die push block 55 is limited by the aid of the mountain rest 9.
Specifically, the method for realizing the die capable of punching from inside to outside comprises the following steps:
firstly, manually placing a workpiece to be subjected to notching on the positioning seat 6, and driving the upper fixing seat 3 to move downwards by a press;
secondly, the female die wedge 24 is abutted against the female die 25 to push the female die 25 to extend out to one side to be matched with the positioning seat 6 to position the workpiece to be subjected to notching;
thirdly, the punch wedge 54 is abutted against the punch push block 55 to push the punch push block 55 to extend towards one side, so that the punch 56 is driven to extend to be matched with the female die 25 to perform a notching action on the workpiece;
fourthly, after the notching operation is in place, the air source is connected for blowing, and the waste materials generated by punching are blown into the blanking hole 8 for discharging;
and (V) the press drives the upper fixing seat 3 to reset upwards, the female die 25 retracts under the action of the female die stripping spring 21, the male die 56 retracts under the action of the male die stripping spring 53, and the workpiece which is subjected to notching is manually taken out to complete demolding.
In conclusion, the die wedge 24 moves downwards to push the die 25 to extend to one side to abut against the surface of the workpiece to be notching, so that the workpiece to be notching is positioned, the punch wedge 54 moves downwards to push one side of the punch 56 to extend to be matched with the die 25 to notch the workpiece to be notching, and therefore the outward direction of notching burrs is achieved, and the requirements of products are met; the length of the female die wedge 24 is longer than that of the male die wedge 54, so that the female die 25 extends out of the workpiece to be punched and positioned, and the male die 56 acts to punch the workpiece to be punched, and the accuracy of the punching size is ensured; according to the invention, the positioning seat 6 is provided with the positioning seat gas circuit 7, the input end of the positioning seat gas circuit 7 is connected with a gas source, the male die 56 is provided with the male die gas circuit 562, when the male die 56 is positioned in a blanking in-place stroke, the male die gas circuit 562 is communicated with the positioning seat gas circuit 7, the head part of the male die 56 is provided with the inclined platform 561 which is inclined downwards, the waste materials can conveniently enter the blanking hole 8 due to the arrangement of the inclined platform 561, after blanking is finished, the gas source is used for blowing, the waste materials generated by blanking are blown into the blanking hole 8, and the phenomenon that the waste materials are brought into the die when the male die 56 is reset to influence the secondary blanking action is avoided.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a mould from inside to outside towards, includes fixing base, its characterized in that down: a positioning seat is arranged in the middle above the lower fixing seat, a female die assembly is arranged on one side of the positioning seat, a male die assembly is arranged on the other side of the lower positioning seat, and an upper fixing seat is arranged above the female die assembly and the male die assembly; the female die assembly comprises a female die seat and a female die wedge, the female die seat is arranged above the lower fixing seat, the female die wedge is connected to the upper fixing seat, a female die slides in the female die seat, the male die assembly comprises a male die seat and a male die wedge, the male die seat is arranged above the lower fixing seat, the male die wedge is connected to the upper fixing seat, a male die push block slides in the male die seat, and one side of the male die push block is connected with a male die corresponding to the female die.
2. An inside-out stamping die as defined in claim 1, wherein: one side of the female die seat is provided with a female die wedge stop block, a female die stripping screw slides on the female die wedge stop block, the end part of the female die stripping screw is connected with the female die, a female die stripping spring is sleeved on the female die stripping screw, a male die stripping screw slides on the male die seat and is connected with a male die push block, and a male die stripping spring is arranged on the male die stripping screw.
3. An inside-out stamping die as defined in claim 1, wherein: blanking holes are formed in the lower fixing seat and the concave die holder.
4. An inside-out stamping die as defined in claim 1, wherein: and the female die wedge and the female die are provided with corresponding first inclined planes, and the male die wedge and the male die push block are provided with corresponding second inclined planes.
5. An inside-out stamping die as defined in claim 1, wherein: the length of the female die wedge is longer than that of the male die wedge.
6. An inside-out stamping die as defined in claim 1, wherein: and the lower fixed seat is respectively provided with a backer corresponding to the female die and the male die push block.
7. An inside-out stamping die as defined in claim 1, wherein: and a positioning seat air passage is arranged on the positioning seat, and a male die air passage communicated with the positioning seat air passage is arranged on the male die.
8. An inside-out stamping die as defined in claim 1, wherein: the head of the male die is provided with a downward inclined platform, and a groove is arranged above the male die.
9. An inside-out stamping die as defined in claim 1, wherein: and avoidance grooves are formed in the bottoms of the male die wedge and the female die wedge.
10. Method for realizing an inside-out stamping die according to any one of claims 1 to 9, comprising the following steps:
manually placing a workpiece to be subjected to notching on the positioning seat, and driving the upper fixing seat to move downwards by the press;
secondly, the female die wedge is abutted against the female die to push the female die to extend to one side to be matched with the positioning seat to position the workpiece to be subjected to notching;
thirdly, the male die wedge is abutted against the male die push block to push the male die push block to extend out to one side, so that the male die is driven to extend out to be matched with the female die to perform notching action on the workpiece;
after the notching operation is in place, the air source is connected for blowing, and the waste materials generated by punching are blown into the blanking hole for discharging;
and (V) the press drives the upper fixing seat to reset upwards, the female die retracts under the action of the female die stripping spring, the male die retracts under the action of the male die stripping spring, and the workpiece which is punched is manually taken out to complete demoulding.
CN202111485820.0A 2021-12-07 2021-12-07 Die capable of punching from inside to outside and implementation method thereof Active CN114178381B (en)

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CN202111485820.0A CN114178381B (en) 2021-12-07 2021-12-07 Die capable of punching from inside to outside and implementation method thereof

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CN114178381A true CN114178381A (en) 2022-03-15
CN114178381B CN114178381B (en) 2022-12-23

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000061764A (en) * 1998-08-26 2000-02-29 Oiles Ind Co Ltd Cam mechanism
EP2926921A2 (en) * 2014-03-17 2015-10-07 Toa Forging Co., Ltd. Method of manufacturing metal plate having hole, metal plate with hole, external gear with peripheral hole, external gear, metal plate for cam, method of manufacturing metal plate, and metal plate
CN109351848A (en) * 2018-11-02 2019-02-19 郑州日产汽车有限公司 The pneumatic discharge mechanism of the reverse punching of lock hole of car door inner plate
CN208853560U (en) * 2018-09-19 2019-05-14 苏州曙泰机电有限公司 A kind of stamping die side blow structure from inside to outside
CN111842665A (en) * 2020-08-21 2020-10-30 常州工利精机科技有限公司 Forming and processing device for side elastic sheet of automobile part
CN213440063U (en) * 2020-10-20 2021-06-15 苏州威博达汽车零部件有限公司 Mechanism punches a hole to inside outside

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000061764A (en) * 1998-08-26 2000-02-29 Oiles Ind Co Ltd Cam mechanism
EP2926921A2 (en) * 2014-03-17 2015-10-07 Toa Forging Co., Ltd. Method of manufacturing metal plate having hole, metal plate with hole, external gear with peripheral hole, external gear, metal plate for cam, method of manufacturing metal plate, and metal plate
CN208853560U (en) * 2018-09-19 2019-05-14 苏州曙泰机电有限公司 A kind of stamping die side blow structure from inside to outside
CN109351848A (en) * 2018-11-02 2019-02-19 郑州日产汽车有限公司 The pneumatic discharge mechanism of the reverse punching of lock hole of car door inner plate
CN111842665A (en) * 2020-08-21 2020-10-30 常州工利精机科技有限公司 Forming and processing device for side elastic sheet of automobile part
CN213440063U (en) * 2020-10-20 2021-06-15 苏州威博达汽车零部件有限公司 Mechanism punches a hole to inside outside

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