CN108393424A - A kind of punching die facilitating the material returned - Google Patents

A kind of punching die facilitating the material returned Download PDF

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Publication number
CN108393424A
CN108393424A CN201810366852.0A CN201810366852A CN108393424A CN 108393424 A CN108393424 A CN 108393424A CN 201810366852 A CN201810366852 A CN 201810366852A CN 108393424 A CN108393424 A CN 108393424A
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CN
China
Prior art keywords
mold
supporting block
die
mode cavity
accommodating chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810366852.0A
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Chinese (zh)
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CN108393424B (en
Inventor
卞裕东
管仁蔚
施磊磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU SUNWAY PRECISION FORGING CO Ltd
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JIANGSU SUNWAY PRECISION FORGING CO Ltd
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Priority to CN201810366852.0A priority Critical patent/CN108393424B/en
Publication of CN108393424A publication Critical patent/CN108393424A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00Details of machines for forging, pressing, or hammering
    • B21J13/02Dies or mountings therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00Details of machines for forging, pressing, or hammering
    • B21J13/08Accessories for handling work or tools
    • B21J13/14Ejecting devices

Abstract

The present invention provides a kind of punching dies facilitating the material returned, including upper mold, Upper Die-sleeve, lower die, supporting block, mold core, clout export channel and ejector beam.The lower die is located at the underface of the upper mold, and the top of the lower die is formed with lower mode cavity, and the lower part of the lower die is formed with supporting block accommodating chamber.The supporting block is cyclic annular cylinder, and the supporting block is located in the supporting block accommodating chamber, and the bottom end support of the supporting block maintains gap at the top of the top of the supporting block and the supporting block accommodating chamber on the lower die holder.The mold core is cyclic annular cylinder, and the mold core is threaded through in the lower mode cavity, and the bottom end of the mold core is supported in the supporting block, and gap is maintained between the top of the mold core and the upper surface of the lower die.The upper end in clout export channel is connected to the supporting block accommodating chamber, and the lower die holder is extended in the lower end in clout export channel.The ejector beam is threaded through the lower section in the lower die holder and positioned at the supporting block.

Description

A kind of punching die facilitating the material returned
Technical field
The present invention relates to precision metals to forge field, more particularly to a kind of punching die facilitating the material returned.
Background technology
Punching die is a kind of common forging mold, and through-hole can be gone out on workpiece.In order to which punching is smoothly discharged The clout generated in the process, the clout export that the punching die cavity underface of punching die needs setting to be connected to punching die cavity are logical Road.Since clout export channel is arranged in the underface of punching die cavity, punching die in the prior art can not generally be set Ejector beam is set, after punching, the workpiece being fastened in punching die cavity is difficult to be easily removed, and leads to the problem of material returned difficulty. Therefore, it is necessary to be transformed to the structure of existing punching die.
Invention content
In order to solve the above technical problems, a kind of punching die facilitating the material returned proposed by the present invention, specific technical solution It is as follows:
A kind of punching die facilitating the material returned comprising:
Upper mold, the upper mold are fixed below upper die holder;
Upper Die-sleeve, the Upper Die-sleeve are located at the root of the upper mold for fixing the upper mold;
Lower die, the lower die are connected to the top of lower die holder and the underface positioned at the upper mold, the top of the lower die It is formed with the lower mode cavity towards the upper mold, the lower part of the lower die is formed with the supporting block being connected to the lower mode cavity and accommodates Chamber, the supporting block accommodating chamber and the lower mode cavity are coaxial, and the internal diameter of the lower mode cavity matches with the outer diameter of punch workpiece is waited for, The internal diameter of the supporting block accommodating chamber is more than the outer diameter of the lower mode cavity;
Supporting block, the supporting block are the cyclic annular cylinder that middle part is formed with endoporus, and the supporting block is located at the supporting block In accommodating chamber and coaxial with the lower mode cavity, the aperture of the endoporus of the supporting block is equal with the internal diameter of the lower mode cavity, described The bottom end support of supporting block on the lower die holder, maintains at the top of the top of the supporting block and the supporting block accommodating chamber Gap;
Mold core, the mold core are the cyclic annular cylinder that middle part is formed with endoporus, and the mold core is threaded through in the lower mode cavity, institute The aperture for stating the endoporus of mold core is equal with the aperture of the endoporus of the supporting block, and the bottom end of the mold core is supported on the supporting block On, maintain gap between the top of the mold core and the upper surface of the lower die;
Clout exports channel, and clout export channel is formed in the lower die holder, the upper end in clout export channel It is connected to the supporting block accommodating chamber, the lower die holder is extended in the lower end in clout export channel;
Ejector beam, the ejector beam is threaded through the lower section in the lower die holder and positioned at the supporting block, when the liftout When bar moves up, top, which can enter in the supporting block accommodating chamber and oppress the supporting block, to move up.
In a specific embodiment, further include:Upper mold compresses bung flange, and the upper mold compresses bung flange and is connected on described The lower section of die sleeve and the outer ring for being located at the upper mold, the lower end of the upper mold extend the upper mold and compress bung flange.
In a specific embodiment, further include:Briquetting, the briquetting setting are compressed in the upper mold and the upper mold Between bung flange, the lower end of the briquetting extends downwardly out the upper mold and compresses bung flange, and the lower end of the briquetting is formed with and waits to rush The clamping part that the shape of hole workpiece matches.
In a specific embodiment, the outer diameter of the upper mold is less than the internal diameter of the lower mode cavity, the outer diameter of the upper mold It is equal with the aperture of the target hole of punch workpiece is waited for.
The punching die provided by the invention for facilitating the material returned, ejector beam are arranged in the outside of lower mode cavity, so that top Material bar has got around the position in clout export channel.Compared with punching die in the prior art, the present invention can guarantee clout Smoothly discharge, and can realize the smooth material returned of workpiece.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needing to make described in below embodiment being described Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for this For the those of ordinary skill of field, without creative efforts, others are can also be obtained according to these attached drawings Attached drawing.Wherein:
Fig. 1 is the structural schematic diagram of punching die of the invention in a specific embodiment;
Fig. 2 is the material returned process schematic of the punching die in Fig. 1 embodiments.
Specific implementation mode
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings and specific real Applying mode, the present invention is described in further detail.
As shown in Figure 1, in a specific embodiment, punching die provided by the invention includes upper mold 101, Upper Die-sleeve 102, upper mold compresses bung flange 103, upper die holder 104, briquetting 105, lower die 201, mold core 202, ejector beam 203, supporting block 204, remaining The components such as material export channel 205 and lower die holder 206.Specifically:
The upper mold 101 is fixed on 104 lower section of the upper die holder.The Upper Die-sleeve 102 is located at the root of the upper mold 101 And for fixing the upper mold 101.The upper mold compresses bung flange 103 and is connected to the lower section of the Upper Die-sleeve 102 and positioned at described The outer ring of upper mold 101, the lower end of the upper mold 101 extend the upper mold and compress bung flange 103.The briquetting 105 is packed in institute It states between upper mold 101 and upper mold compression bung flange 103, the lower end of the briquetting 104 extends downwardly out the upper mold and compresses spiral shell Circle 103, the lower end of the briquetting 104 is formed with and waits for the clamping part that the shape of punch workpiece 300 matches.
The lower die 201 is connected to the top of the lower die holder 206 and the underface positioned at the upper mold 101, under described The top of mould 201 is formed with the lower mode cavity 201a towards the upper mold 101, the lower part of the lower die 201 be formed with it is described under Supporting block accommodating chamber 201b, the supporting block accommodating chamber 201b and the lower mode cavity 201a coaxial arrangement of die cavity 201a connections. The internal diameter of the lower mode cavity 201a matches with the outer diameter of punch workpiece 300 is waited for, the internal diameter of the supporting block accommodating chamber 201b is big In the outer diameter of the lower mode cavity 201a.
The supporting block 204 is the cyclic annular cylinder that middle part is formed with endoporus, and the supporting block 204 is located at supporting block appearance The chamber 201b that receives is interior and coaxial with the lower mode cavity 201a, and the aperture of the endoporus of the supporting block 204 is with the lower mode cavity 201a's Internal diameter is equal, and the bottom end of the supporting block 204 is supported on the lower die holder 206, the top of the supporting block 204 and the branch Gap is maintained at the top of bracer accommodating chamber 201b.
The mold core 202 is the cyclic annular cylinder that middle part is formed with endoporus, and the mold core 202 is threaded through the lower mode cavity 201a Interior, the aperture of the endoporus of the mold core 202 is equal with the aperture of the endoporus of the supporting block 204, the bottom end branch of the mold core 202 Support maintains gap in the supporting block 204 between the top of the mold core 202 and the upper surface of the lower die 201.
Clout export channel 205 is formed in the lower die holder 206, the upper end in clout export channel 205 and institute The 201b connections of supporting block accommodating chamber are stated, the lower end in clout export channel 205 through the lower die holder 206 and extends to described The outside of lower die holder 206.
The ejector beam 203 is threaded through in the lower die holder 206, and the ejector beam 206 is located under the supporting block 204 Side.When the ejector beam 203 moves up, top can enter in the supporting block accommodating chamber 201b and oppress the branch Bracer 204 moves up, and mold core 202 described in synchronous drive moves up.
The outer diameter of the upper mold 101 is less than the internal diameter of the lower mode cavity 201a, the outer diameter of the upper mold 101 and waits for punching work The aperture of the target through-hole of part 300 is equal.
The course of work of the punching die in the present embodiment is discussed below combined with Figure 1 and Figure 2,:
Step 1: 104 uplink of upper die holder, will wait for that punch workpiece 300 is mounted in lower mode cavity 201a, after installation, waits for The lower end of punch workpiece 300 is supported on the upper end of mold core 202;
Step 2: control 104 downlink of upper die holder is until the upper end of upper mold 101 is contradicted with the upper surface of punch workpiece 300, together Step ground, the clamping part of 105 lower end of briquetting fasten with the lug boss of 300 upper end of punch workpiece is waited for, punching work is treated to realize The stable holding of part 300.
Step 3: control upper die holder 104 continues to push, upper mold 101 is pressed down against the material layer for waiting for 300 middle part of punch workpiece And finally waiting for that the middle part of punch workpiece 300 goes out target through-hole, the clout 300a being washed out drops downward into logical to clout export It slides in road 205 and along clout export channel 205 and is finally expelled to the outside of lower die holder 206;
Step 4: control 104 uplink of upper die holder, then controls ejector beam 203 and moves up, the compressing support of ejector beam 203 Block 204, mold core 202, which synchronize, to move up to eject workpiece 300.
It can be seen that the punching die provided by the invention for facilitating the material returned, ejector beam is arranged in the outside of lower mode cavity, from And ejector beam is made to have got around the position in clout export channel.Compared with punching die in the prior art, the present invention can protect The smooth discharge of clout is demonstrate,proved, and can realize the smooth material returned of workpiece.
The description with certain particularity detailed enough has been carried out to the present invention above.Ordinary skill in fields Personnel are it should be understood that the description in embodiment is only exemplary, before without departing from true spirit and scope of the present invention Put make it is all change should all belong to the scope of protection of the present invention.Scope of the present invention is by the power What sharp claim was defined, rather than limited by the foregoing description in embodiment.

Claims (4)

1. a kind of punching die facilitating the material returned, which is characterized in that it includes:
Upper mold, the upper mold are fixed below upper die holder;
Upper Die-sleeve, the Upper Die-sleeve are located at the root of the upper mold for fixing the upper mold;
Lower die, the lower die are connected to the top of lower die holder and the underface positioned at the upper mold, and the top of the lower die is formed There are the lower mode cavity towards the upper mold, the lower part of the lower die to be formed with the supporting block accommodating chamber being connected to the lower mode cavity, institute It states supporting block accommodating chamber and the lower mode cavity is coaxial, the internal diameter of the lower mode cavity matches with the outer diameter of punch workpiece is waited for, described The internal diameter of supporting block accommodating chamber is more than the outer diameter of the lower mode cavity;
Supporting block, the supporting block are the cyclic annular cylinder that middle part is formed with endoporus, and the supporting block is located at supporting block receiving Intracavitary is simultaneously coaxial with the lower mode cavity, and the aperture of the endoporus of the supporting block is equal with the internal diameter of the lower mode cavity, the support The bottom end of block supports on the lower die holder, between being maintained at the top of the top of the supporting block and the supporting block accommodating chamber Gap;
Mold core, the mold core are the cyclic annular cylinder that middle part is formed with endoporus, and the mold core is threaded through in the lower mode cavity, the mould The aperture of the endoporus of core is equal with the aperture of the endoporus of the supporting block, and the bottom end of the mold core is supported in the supporting block, Gap is maintained between the top of the mold core and the upper surface of the lower die;
Clout exports channel, and clout export channel is formed in the lower die holder, the upper end in clout export channel and institute The connection of supporting block accommodating chamber is stated, the lower die holder is extended in the lower end in clout export channel;
Ejector beam, the ejector beam are threaded through the lower section in the lower die holder and positioned at the supporting block, when the ejector beam to When upper mobile, top, which can enter in the supporting block accommodating chamber and oppress the supporting block, to move up.
2. the punching die as described in claim 1 for facilitating the material returned, which is characterized in that it further includes:
Upper mold compresses bung flange, and the upper mold compresses bung flange and is connected to the lower section of the Upper Die-sleeve and the outer ring positioned at the upper mold, Extend the upper mold and compress bung flange in the lower end of the upper mold.
3. the punching die as claimed in claim 2 for facilitating the material returned, which is characterized in that it further includes:
Briquetting, between the upper mold and the upper mold compress bung flange, the lower end of the briquetting extends downwardly for the briquetting setting Go out the upper mold and compress bung flange, the lower end of the briquetting is formed with and waits for the clamping part that the shape of punch workpiece matches.
4. the as described in claim 1 punching die for facilitating the material returned, which is characterized in that the outer diameter of the upper mold be less than it is described under The internal diameter of die cavity, the outer diameter of the upper mold are equal with the aperture of target through-hole of punch workpiece is waited for.
CN201810366852.0A 2018-04-23 2018-04-23 Punching die convenient for material returning Active CN108393424B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810366852.0A CN108393424B (en) 2018-04-23 2018-04-23 Punching die convenient for material returning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810366852.0A CN108393424B (en) 2018-04-23 2018-04-23 Punching die convenient for material returning

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CN108393424A true CN108393424A (en) 2018-08-14
CN108393424B CN108393424B (en) 2019-12-20

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5653840A (en) * 1979-10-08 1981-05-13 Susumu Aoyama Piercing device
SU1212676A1 (en) * 1983-12-22 1986-02-23 Анжерский Машиностроительный Завод Combination die set
CN2347697Y (en) * 1998-06-01 1999-11-10 佳木斯市北方佳宾集团有限公司 Pull-ring bottle top shaping mould
JP2008264871A (en) * 2007-03-27 2008-11-06 Ntn Corp Method for manufacturing member with flange
CN105312423A (en) * 2014-07-31 2016-02-10 天津东川伟业电子有限公司 Stamping die of oil flinger
CN205042902U (en) * 2015-01-14 2016-02-24 江苏创一精锻有限公司 Energy storage ware jar body forging forming mould
CN205816530U (en) * 2016-08-02 2016-12-21 盐城市鑫海机械有限公司 The punching system of balance shaft gear
CN107639160A (en) * 2017-08-23 2018-01-30 浙江机电职业技术学院 High-accuracy high-efficiency rate thin plate swaging punching composite die component
CN207076866U (en) * 2017-08-23 2018-03-09 浙江机电职业技术学院 Thin plate swaging punching die component

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5653840A (en) * 1979-10-08 1981-05-13 Susumu Aoyama Piercing device
SU1212676A1 (en) * 1983-12-22 1986-02-23 Анжерский Машиностроительный Завод Combination die set
CN2347697Y (en) * 1998-06-01 1999-11-10 佳木斯市北方佳宾集团有限公司 Pull-ring bottle top shaping mould
JP2008264871A (en) * 2007-03-27 2008-11-06 Ntn Corp Method for manufacturing member with flange
CN105312423A (en) * 2014-07-31 2016-02-10 天津东川伟业电子有限公司 Stamping die of oil flinger
CN205042902U (en) * 2015-01-14 2016-02-24 江苏创一精锻有限公司 Energy storage ware jar body forging forming mould
CN205816530U (en) * 2016-08-02 2016-12-21 盐城市鑫海机械有限公司 The punching system of balance shaft gear
CN107639160A (en) * 2017-08-23 2018-01-30 浙江机电职业技术学院 High-accuracy high-efficiency rate thin plate swaging punching composite die component
CN207076866U (en) * 2017-08-23 2018-03-09 浙江机电职业技术学院 Thin plate swaging punching die component

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