CN105170780A - Punching die - Google Patents
Punching die Download PDFInfo
- Publication number
- CN105170780A CN105170780A CN201510588229.6A CN201510588229A CN105170780A CN 105170780 A CN105170780 A CN 105170780A CN 201510588229 A CN201510588229 A CN 201510588229A CN 105170780 A CN105170780 A CN 105170780A
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- China
- Prior art keywords
- drift
- protection lining
- mould bases
- lining
- punch
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Abstract
The invention provides a punching die. The punching die comprises an outer die frame. A punch is fixedly arranged on the outer die frame. A protection lining is assembled on the outer die frame in a guide movement manner in the vertical direction. A spring used for exerting the acting force for forcing the protection lining to move downwards is arranged between the protection lining and the outer die frame. A blocking and limiting structure used for preventing the protection lining from being disengaged from the outer die frame under the action of the spring is arranged on the outer die frame. The punch movably penetrates the protection lining in a sleeved manner in the vertical direction. The protection lining comprises a lower end jacking and pressing face which is used for making contact with a workpiece in a jacking and pressing manner prior to a punched end face of the punch when the outer die frame drives the punch and the protection lining to move towards the workpiece to he punched, and jacking and pushing the workpiece to be punched to be reversely disengaged from the punch when punching is completed. The punch punches the workpiece in a protection cavity formed by the protection lining, broken blocks will be wrapped in the protection lining without being directly scattered out even when the punch is broken or cracked, and hurts to people in the outside world and damage to objects in the outside world can be effectively avoided.
Description
Technical field
The present invention relates to a kind of punching die.
Background technology
Along with the high speed development of domestic industry, twisting structure and effective advantages such as assembly space of saving make the securing member of hexagonal twisting structure in band as shown in Figure 1 and Figure 2 be widely used in various field easily.At present, the general punching die that adopts carries out punch process on the processing end face of securing member.Be disclose a kind of blanking and piercing die in the Chinese utility model patent of CN203526328U at Authorization Notice No., this perforating die comprises upper die and lower die, counterdie comprises for locating the lower mold holder placing blank, patrix comprises top mold frame, top mold frame is provided with upper die plate, drift is positioned at below upper die plate, has stripper in drift arranged outside, is provided with and applies to force stripper towards the spring of the active force of counterdie movement to stripper between stripper and upper die plate.During use, upper and lower mould is close, and drift pours in counterdie, completes punching, then by stripper under the assistance of spring pushing tow blank to complete discharging.
But in above-mentioned this blanking and piercing die, drift is generally prior to stripper and absorption surface, the punching press end of drift is positioned at the below of top, the lower end pressure surface of stripper, make on drift by being partly exposed to outside, more dangerous so in fact, because general drift occurs bursting apart because of high speed stamping, be easy to the security incident occurring that fragment splashes is hurted sb.'s feelings, security is bad.
Summary of the invention
The invention provides a kind of punching die, to solve drift in punching die of the prior art, there is the technical problem being exposed to outer punch segment and causing there will be when punch segment is burst apart the accident that fragment splashes is hurted sb.'s feelings.
The technical scheme of punching die provided by the present invention is: a kind of punching die, comprise outer mould bases, outer mould bases is installed with the drift with outer mould bases knee-action, the lower surface of drift is punching press end face, on described outer mould bases, guiding movement is equipped with protection lining along the vertical direction, the spring applying the active force forcing protection lining to move down to protection lining is provided with between protection lining and outer mould bases, mould bases is provided with the block position limiting structure preventing protection lining from departing from outer mould bases under the action of the spring outside, described drift is movably set in described protection lining along the vertical direction, described protection lining have for mould bases outside with drift and protection lining towards during workpiece movable to be punched prior to the punching press end face of drift and workpiece top press contacts, pressure surface is pushed up in the lower end that pushing tow workpiece to be punched and drift oppositely depart from when punching press completes.
Top, the lower end pressure surface of described protection lining is provided with the air discharge duct of the jacket wall running through protection lining.
Described air discharge duct extends along the radial direction of protection lining, and air discharge duct is evenly equipped with at least two along the circumferencial direction of top, the lower end pressure surface of protection lining.
The endoporus of described protection lining has the guide section coordinated for described drift guiding movement.
Drift overcoat is furnished with between described drift and protection lining, drift overcoat bottom along the vertical direction guiding movement is assemblied in the endoporus of described protection lining, described spring is that top, lower end is pressed in the respective flanges of protection lining, the stage clip be pressed in the respective flanges of described drift overcoat is pushed up in upper end, drift overcoat is fixed by described spring and described outer mould bases and is assembled, the upper cushion block top press contacts that upper surface and the described outer mould bases of described drift overcoat are provided with coordinates, lower cushion block is filled with in the endoporus of drift overcoat, the upper end of lower cushion block and described upper cushion block top press contacts, press contacts is pushed up in the upper surface of lower end and described drift, supine and the spacing block step coordinated of described drift block of ladder is provided with in the endoporus of described drift overcoat, described lower cushion block and described block step coordinate to be fixedly assemblied in described drift overcoat by described drift.
Described outer mould bases is tube-in-tube structure, and the endoporus of tube-in-tube structure is the supine shoulder hole of ladder, with the cascaded surface upward that the spacing block position limiting structure coordinated of described protection lining block is described shoulder hole on outer mould bases.
The invention has the beneficial effects as follows: in punching die provided by the present invention, on mould bases, movement is provided with protection lining along the vertical direction outside, drift guiding movement is made to be set in protection lining, and make protect lining lower end top pressure surface outside mould bases with drift and protection lining towards during workpiece movable to be punched prior to the punching press end face of drift and workpiece top press contacts, form one when protecting lower end top pressure surface and the absorption surface of lining and protect chamber, drift carries out punching press to workpiece in the protection chamber that protection lining is formed, there will not be and expose, so, even if occur because the reason such as drift quality problems causes when fractureing or burst apart in punching course, fragment also can be wrapped in protection lining, can not direct four loose to fly out, people to external world or thing can be effectively avoided to damage.After machining, under the top pressure effect of spring, protection lining can also workpiece after pushing tow punching press to realize workpiece and drift is separated, the carry-over on the head punch problem after solution metal stamping.
Further, top, the lower end pressure surface of protection lining arranges air discharge duct, when top, the lower end pressure surface protecting lining workpiece to be punched prior to pressure surface top, the punching press top press contacts of drift, air in the cavity utilizing air discharge duct the lower end jacket wall of protection lining and workpiece can be formed is discharged, and can not cause additional effect to the whereabouts of drift.
Further, the endoporus of protection lining has the guide section coordinated with drift guiding movement, when protecting lining top and being pressed on workpiece to be punched, can utilize the guiding movement of protection lining pilot punch, improve the punching press stability of drift like this.
Accompanying drawing explanation
Fig. 1 is the securing member of hexagonal structure in band;
Fig. 2 is the left side schematic diagram of securing member shown in Fig. 1;
Fig. 3 is the structural representation of a kind of embodiment of punching die provided by the present invention;
Fig. 4 is the half sectional view of punching die shown in Fig. 3;
Fig. 5 is the structural representation of drift in punching die shown in Fig. 4;
Fig. 6 is the structural representation protecting lining in punching die shown in Fig. 4;
Fig. 7 is the half sectional view of the lining of protection shown in Fig. 6;
Fig. 8 is the left side schematic diagram of the lining of protection shown in Fig. 6;
Fig. 9 is structural representation when using punching die shown in Fig. 3 to carry out punching processing.
Detailed description of the invention
As shown in Fig. 3 to Fig. 9, a kind of embodiment of punching die, the punching die in this embodiment comprises outer mould bases, and outer mould bases 2 is herein specially tube-in-tube structure, and the endoporus of tube-in-tube structure is the supine shoulder hole of ladder.
Cushion block 1, punch-head assembly and protection lining 7 is equipped with from top to bottom successively in the endoporus of mould bases 2 outside, the spring 5 extended along the vertical direction is provided with between punch-head assembly and protection lining 7, spring 5 is specially stage clip, the upper end elastic top of stage clip is pressed in punch-head assembly upper and lower end elastic top and is pressed on the flange that protection lining 7 upper end is provided with, and, cascaded surface on outer mould bases is the block position limiting structure preventing from protecting lining 7 outer mould bases of disengaging under spring 5 acts on, and punch-head assembly comprises drift 6, drift overcoat 3 and lower cushion block 4.
Specifically, punch-head assembly is with outer mould bases 2 knee-action, drift 6 in punch-head assembly is arranged in drift overcoat 3, the upper surface of drift overcoat 3 and upper cushion block 1 push up press contacts and are engaged in the endoporus of drift overcoat 3 and are filled with lower cushion block 4, the upper end of lower cushion block 4 and upper cushion block 1 push up press contacts, press contacts is pushed up in the upper surface of lower end and drift 6, be provided with the supine block step that coordinate spacing with drift 6 block of ladder in the endoporus of drift overcoat 3, lower cushion block 4 and block step coordinate to be fixedly assemblied in drift overcoat 3 by drift 6.Further, the lower surface of drift 6 is punching press end face 61, and punching press end face 61 extends downward below drift overcoat 3.
Have the flange pushing up press contacts with spring 5 in the upper end of drift overcoat 3, the correspondence top, upper end of spring 5 is pressed in the upper end flange of drift overcoat 3, and drift overcoat 3 is assembled with outer mould bases 2 is fixing by spring 5.
In the present embodiment, the endoporus of protection lining 7 is cascaded surface 74 shoulder hole upward, this shoulder hole has the large footpath section 75 on top and the path section 73 of bottom, the grafting of leading of the large footpath section 75 of the drift overcoat 3 of punch-head assembly and protection lining 7 coordinates, the path section 73 of shoulder hole is the guide section that grafting coordinates that leads with the punch section extending drift overcoat 3 lower end of the drift 6 of punch-head assembly, under the guiding of the large path section of protection lining 7, drift 6 guiding movement along the vertical direction.Further, protect lining 7 to have and push up pressure surface 76 towards during workpiece movable to be punched prior to the punching press end face 61 of drift 6 and workpiece top press contacts, pushing tow workpiece to be punched and drift oppositely depart from when punching press completes lower end with drift 6 and protection lining 7 for mould bases 2 outside.
In the present embodiment, top, the lower end pressure surface 76 of protection lining 7 is provided with the air discharge duct 71 of the jacket wall running through protection lining, air discharge duct 71 herein extends along the radial direction of protection lining 7, and the circumferencial direction that air discharge duct 71 pushes up pressure surface along the lower end protecting lining is evenly equipped with two.
Above-mentioned outer mould bases is communicated with other parts be arranged on outer mould bases and forms upper die component 100, in use with lower mold assemblies 400 with the use of.Lower mold assemblies 400 has the lower nib 300 for setting-in associated workpiece 200.
Due to the drift of often kind of dissimilar size and the protection lining of different size corresponding, during work, select drift and the protection lining of different size according to actual needs, by workpiece as in lower nib 300, and ensure the same shaft assignment of upper and lower mould assembly, ensure axiality.
Upper die component falls, specifically together fallen with punch-head assembly and protection lining 7 by outer mould bases, make top, the lower end pressure surface 76 protecting lining 7 prior to the punching press end face 61 of drift 6 and absorption surface, the drift 6 of punch-head assembly is wrapped in protection lining 7, drift 6 stamps out punching on workpiece 200, mold assembly upwards rollback, protection lining 7 reverse push under the effect of spring 5 starts building part to be separated with drift 6.Because drift is wrapped in protection lining 7, the security incident occurring that when drift fractures or burst apart fragment four is loose and cause effectively can be avoided.
In above-described embodiment, air discharge duct is provided with two, in other embodiments, also can arrange two or more.In above-described embodiment, mould bases is provided with punch-head assembly outside, in other embodiments, also can be the same in prior art, only arrange staking punch, spring can directly with the press-fit of upper cushion block elastic top, or the corresponding construction elastic top press-fit on direct and outer mould bases.
In above-described embodiment, punching die to be mainly used on securing member hexagonal hole in punching press, in other embodiments, also can utilize the hole of above-mentioned punching die other shapes of punching press or structure on other workpieces.
Claims (6)
1. a punching die, comprise outer mould bases, outer mould bases is installed with the drift with outer mould bases knee-action, the lower surface of drift is punching press end face, it is characterized in that: on described outer mould bases, guiding movement is equipped with protection lining along the vertical direction, the spring applying the active force forcing protection lining to move down to protection lining is provided with between protection lining and outer mould bases, mould bases is provided with the block position limiting structure preventing protection lining from departing from outer mould bases under the action of the spring outside, described drift is movably set in described protection lining along the vertical direction, described protection lining have for mould bases outside with drift and protection lining towards during workpiece movable to be punched prior to the punching press end face of drift and workpiece top press contacts, pressure surface is pushed up in the lower end that pushing tow workpiece to be punched and drift oppositely depart from when punching press completes.
2. punching die according to claim 1, is characterized in that: top, the lower end pressure surface of described protection lining is provided with the air discharge duct of the jacket wall running through protection lining.
3. punching die according to claim 2, is characterized in that: described air discharge duct extends along the radial direction of protection lining, and air discharge duct is evenly equipped with at least two along the circumferencial direction of top, the lower end pressure surface of protection lining.
4. the punching die according to claim 1 or 2 or 3, is characterized in that: the endoporus of described protection lining has the guide section coordinated for described drift guiding movement.
5. the punching die according to claim 1 or 2 or 3, it is characterized in that: between described drift and protection lining, be furnished with drift overcoat, drift overcoat bottom along the vertical direction guiding movement is assemblied in the endoporus of described protection lining, described spring is that top, lower end is pressed in the respective flanges of protection lining, the stage clip be pressed in the respective flanges of described drift overcoat is pushed up in upper end, drift overcoat is fixed by described spring and described outer mould bases and is assembled, the upper cushion block top press contacts that upper surface and the described outer mould bases of described drift overcoat are provided with coordinates, lower cushion block is filled with in the endoporus of drift overcoat, the upper end of lower cushion block and described upper cushion block top press contacts, press contacts is pushed up in the upper surface of lower end and described drift, supine and the spacing block step coordinated of described drift block of ladder is provided with in the endoporus of described drift overcoat, described lower cushion block and described block step coordinate to be fixedly assemblied in described drift overcoat by described drift.
6. the punching die according to claim 1 or 2 or 3, it is characterized in that: described outer mould bases is tube-in-tube structure, the endoporus of tube-in-tube structure is the supine shoulder hole of ladder, with the cascaded surface upward that the spacing block position limiting structure coordinated of described protection lining block is described shoulder hole on outer mould bases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510588229.6A CN105170780A (en) | 2015-09-11 | 2015-09-16 | Punching die |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510576305 | 2015-09-11 | ||
| CN2015105763051 | 2015-09-11 | ||
| CN201510588229.6A CN105170780A (en) | 2015-09-11 | 2015-09-16 | Punching die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105170780A true CN105170780A (en) | 2015-12-23 |
Family
ID=54893466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510588229.6A Pending CN105170780A (en) | 2015-09-11 | 2015-09-16 | Punching die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105170780A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332471A (en) * | 2018-09-30 | 2019-02-15 | 北京工业大学 | One kind is telescopic to comply with punch device |
| CN114011955A (en) * | 2021-12-17 | 2022-02-08 | 芜湖荣基密封系统有限公司 | Punching equipment for automobile sealing element |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10244327A (en) * | 1997-02-28 | 1998-09-14 | Mate Precision Tooling Inc | Punch unit |
| JPH11333531A (en) * | 1998-05-26 | 1999-12-07 | Amada Metrecs Co Ltd | Punch head device, and punching die |
| CN1780704A (en) * | 2003-04-30 | 2006-05-31 | 有限会社旺兹 | Punch for punching sheet metal and apparatus for punching sheet metal having the punch |
| CN101111351A (en) * | 2004-09-22 | 2008-01-23 | 阿玛达工具美国公司 | Biasing assembly for a punching device |
| US20080105095A1 (en) * | 2006-11-06 | 2008-05-08 | Stromsholmen Ab | Punch stripper and press tool |
| CN102699212A (en) * | 2012-06-20 | 2012-10-03 | 太仓市日精模具有限公司 | Upper punch of punching mold |
| CN205042976U (en) * | 2015-09-11 | 2016-02-24 | 河南航天精工制造有限公司 | Punching die |
-
2015
- 2015-09-16 CN CN201510588229.6A patent/CN105170780A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10244327A (en) * | 1997-02-28 | 1998-09-14 | Mate Precision Tooling Inc | Punch unit |
| JPH11333531A (en) * | 1998-05-26 | 1999-12-07 | Amada Metrecs Co Ltd | Punch head device, and punching die |
| CN1780704A (en) * | 2003-04-30 | 2006-05-31 | 有限会社旺兹 | Punch for punching sheet metal and apparatus for punching sheet metal having the punch |
| CN101111351A (en) * | 2004-09-22 | 2008-01-23 | 阿玛达工具美国公司 | Biasing assembly for a punching device |
| US20080105095A1 (en) * | 2006-11-06 | 2008-05-08 | Stromsholmen Ab | Punch stripper and press tool |
| CN102699212A (en) * | 2012-06-20 | 2012-10-03 | 太仓市日精模具有限公司 | Upper punch of punching mold |
| CN205042976U (en) * | 2015-09-11 | 2016-02-24 | 河南航天精工制造有限公司 | Punching die |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332471A (en) * | 2018-09-30 | 2019-02-15 | 北京工业大学 | One kind is telescopic to comply with punch device |
| CN114011955A (en) * | 2021-12-17 | 2022-02-08 | 芜湖荣基密封系统有限公司 | Punching equipment for automobile sealing element |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151223 |
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| RJ01 | Rejection of invention patent application after publication |