CN203304381U - Punching female die sleeve with dismounting device and corresponding punching die - Google Patents
Punching female die sleeve with dismounting device and corresponding punching die Download PDFInfo
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- CN203304381U CN203304381U CN2013202271437U CN201320227143U CN203304381U CN 203304381 U CN203304381 U CN 203304381U CN 2013202271437 U CN2013202271437 U CN 2013202271437U CN 201320227143 U CN201320227143 U CN 201320227143U CN 203304381 U CN203304381 U CN 203304381U
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- die
- hole
- punching
- die case
- case body
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Abstract
The utility model discloses a punching female die sleeve with a dismounting device. The punching female die sleeve comprises a female die sleeve body used for being in interference or transition fit with a die holder, and the female die sleeve body is provided with the dismounting device, wherein when the female die sleeve body is screwed upwards, the dismounting device can move downwards to make contact with the portion, below the female die sleeve body, of the die holder, and the dismounting device pushes out the female die sleeve body upwards in a follow-up screwing-in process. The utility model further discloses a punching die with the female die sleeve. As for the punching die, the dismounting device can push the female die sleeve out of the die holder in interference or transition fit with the female die sleeve, avoids damage to the cutting edge portion when the female die sleeve is dismounted, and has the advantages of being simple in structure and rapid, simple and convenient to operate. The punching female die sleeve is applicable to various female die sleeves and is further applicable to various punching dies.
Description
Technical field
The utility model relates to a kind of diel, is specifically related to a kind of punching with provision for disengagement with die case and corresponding die for punching.
Background technology
Mould be in industrial production for the utensil of formed article, comprise upper bolster, die shoe, punch, die, fixed head etc.In fixed head and punch, be embedded with die case, in its die cavity, at least a portion forms the part endoporus of formed article.Die case and fixed head or die holder generally adopt the connected mode of interference or interference fits, and purpose is the constant intensity that guarantees the two.But, when die case wearing and tearing or break, it need to be pulled down while changing from die holder or fixed head, dismounting is difficulty comparatively.Existing method, for using a cylindrical steel rod, stretches into die case and props up the cutting edge position from the back side, use mechanical means to knock the other end of steel rod, at leisure die case is ejected from mosaic site, then repairs or replaces.Knock in the process of steel rod, steel rod can damage the cutting edge of die case, and then affects the cutting edge precision, even can cause die case to be scrapped.
The utility model content
For solving the above deficiency existed in prior art, the utility model provides a kind of die case of punching with provision for disengagement, its provision for disengagement can eject die case from the die holder with its interference or interference fits, while having avoided die case to adopt original dismounting mode, the destruction of meeting counter blade port part, have characteristics simple in structure, that operation is fast and convenient.
Another purpose of the utility model, be to provide the die for punching of using die case with the punching of provision for disengagement.
For achieving the above object, the technical scheme that adopts of the utility model is as follows:
A kind of die case of punching with provision for disengagement, comprise for the die case body with die holder interference or interference fits, the die case body be furnished with can be on the die case body precession and bring downward displacement so that contact with the position that is arranged in die case body below of die holder and make the die case body have displacement upwards until the provision for disengagement upwards ejected from die holder in follow-up precession process.
As to restriction of the present utility model, described provision for disengagement comprises the screw element that Ji Yuxuan hole, hole is used in conjunction with that revolves of being located on the die case body; Wherein:
Revolve hole for to run through the through hole of die case body up and down, revolve the Kong Yuqi axial height and comprise one section thread segment with internal thread, the radial dimension that revolves the part corresponding to the thread segment top in hole is greater than the aperture of thread segment;
Screw element comprises from upper end to the threaded rod section of downward-extension, and threaded rod section below is polished rod section or without the polished rod section;
The threaded rod section is with the external screw thread matched with internal thread;
The length of polished rod section, be less than or equal to the height between thread segment utmost point bottom to the die case body bottom of revolving hole, and the bar footpath of polished rod is less than the internal diameter of internal thread;
The threaded rod section of screw element and the total length of polished rod section, be more than or equal to the height of die case body and the height sum between thread segment utmost point top and die case body bottom.
As the restriction to aforesaid way, described screw element is bolt, comprises screw rod position and head;
Described thread segment is positioned at the hypomere that revolves hole, and the hypomere that namely revolves hole is screwed hole; The screwed hole top is connected with the unthreaded hole suitable with bolt head, and unthreaded hole and screwed hole form the whole up big and down small poroid hole of revolving of ladder that is;
The length at the screw rod position of bolt, be more than or equal to height and the screwed hole height sum of die case body.
The invention also discloses a kind of die for punching, comprise die holder, be embedded in the die case with punching in die holder, described die case is the aforesaid die case of punching with provision for disengagement.
As the restriction to aforesaid way, described punching is the up-small and down-big stepped hole be comprised of cutting edge structure and cutting edge back of the body hollow structure of being located at up/down perforation on the die case body.
As further restriction, the lower portion corresponding to punching on described die holder is provided with the material-dropping hole that runs through up and down die holder, and the diameter of described material-dropping hole is greater than cutting edge back of the body hollow structure diameter.
Owing to having adopted technique scheme, compared with prior art, obtained technological progress is the utility model:
1. the provision for disengagement that carries of die case can be by die case from the die holder be mated, ejecting, and provision for disengagement replaces original steel rod that knocks to eject the mode of die case, thereby can avoid knocking the destruction to the concave mould sleeve cutting edge position;
2. when the impaired needs of die case are changed, by screw element, be that bolt revolves in hole, and tighten gradually, due to the length at the screw rod position of bolt, be more than or equal to height and the screwed hole height sum of die case body, when the bolt bottom touches die holder, bolt is limited, can not continue downward precession, and the screwing force that bolt is subject to is converted into the power that screws that die case is made progress by screwed hole, continue to tight a bolt, until die case ejects from die holder.The destruction of counter blade port part when the die case dismounting has been avoided in provision for disengagement, have characteristics simple in structure, that operation is fast and convenient.
The utility model suitable applications, on various die cases, further is applied on various die for punchings.
The accompanying drawing explanation
Below in conjunction with drawings and the specific embodiments, the utility model is done further to describe in detail.
Fig. 1 is the floor map of the utility model embodiment 1;
Fig. 2 is the cutaway view of Fig. 1;
Fig. 3 is the structural representation of the utility model embodiment 2;
Fig. 4 is the structural representation of the utility model embodiment 2.
In figure: 1, die holder; 2, punching; 3, die case body; 4, bolt; 5, unthreaded hole; 6, screwed hole; 7, material-dropping hole.
The specific embodiment
A kind of die case of punching with provision for disengagement, structure as shown in Figure 1-2, comprises die case body 3, and is furnished with provision for disengagement.
Die case body 3 runs through vertically and is provided with punching 2, and it is the up-small and down-big stepped hole be comprised of cutting edge structure and cutting edge back of the body hollow structure.
A side of being separated by with punching 2 levels on die case body 3 is located in provision for disengagement, by revolving hole and screw element mix proportion, for die case body 3 is taken off from die holder 1.
Revolve hole and comprise one section thread segment with internal thread in axial height, the radial dimension that revolves the part corresponding to the thread segment top in hole is greater than the aperture of thread segment.
Screw element comprises from upper end to the threaded rod section of downward-extension.Threaded rod section below is polished rod section or without the polished rod section, the threaded rod section is with the external screw thread matched with internal thread.The length of polished rod section, be less than or equal to the height between thread segment utmost point bottom to die case body 3 bottoms of revolving hole, and the bar footpath of polished rod is less than the internal diameter of internal thread.The threaded rod section of screw element and the total length of polished rod section, be more than or equal to the height of die case body 3 and the height sum between thread segment utmost point top and die case body 3 bottoms.
In the present embodiment, revolve hole and be specially the through hole that runs through up and down die case body 3, it comprises the screwed hole 6 that is positioned at die case body 3 bottoms and is positioned at the unthreaded hole 5 that screwed hole 6 top radial dimensions are greater than screwed hole 6.
Screw element is specially hexagonal dormant bolt 4, comprises screw rod position and head.Head is with the hexagon counterbore.The length at screw rod position, be greater than the height of die case body 3 and screwed hole 6 height sums.
The head of bolt 4 also can be other structures, as long as can its rotation be unscrewed, be tightened with being wrenched instrument.
In the present embodiment, revolve the form that other structures can also be taked in hole, as long as revolve on the inwall of hole with internal thread, and bolt 4 can reach the bottom of revolving hole and can be rotated further and gets final product.
A kind of die for punching, structure as shown in Figure 3-4, comprise die holder 1, also comprise be embedded in die holder 1 with the identical die case with provision for disengagement of embodiment 1 structure.
Die case comprises die case body 3, is furnished with provision for disengagement, the detailed description in concrete reference example 1.
On die holder 1, have and suitable the coordinating with die case body 3 slight interference for die holder 1 or the installing hole of interference fits of size, the degree of depth of die case body 3, on die holder 1, be provided with the material-dropping hole 7 that runs through die holder 1 in the below of punching 2, its internal diameter is greater than punching 2 internal diameters.
When the present embodiment was normally used, die case body 3 was embedded in installing hole, and the two slight interference amount coordinates or interference fits.The blanking of punching 2 is discharged by material-dropping hole 7.
When the impaired needs of die case body 3 are changed, at first bolt 4 is screwed in through hole, and pack in hexagonal indentations and tighten gradually with instrument, length due to the screw rod position, be more than or equal to height and the screwed hole 6 height sums of die case body 3, after bolt 4 bottoms touch die holder 1, when continuing again the application of force and screwing bolt 4, the descending action of bolt 4 is limited, no longer continuing has downward displacement, the screwing force that bolt 4 is subject in the continuation rotary course of bolt 4 is converted into the ejecting force that die case body 3 is made progress by screwed hole 6, thereby die case body 3 has had the displacement made progress, die case body 3 is gradually by from upwards ejecting on die holder 1, so far complete die case body 3 from the unloading process on die holder 1.
By bolt 4 with the provision for disengagement of revolving the hole mix proportion in the process of dismounting die case body 3, the destruction of counter blade port part while having avoided 3 dismounting of die case body.
Claims (6)
1. the die case of the punching with provision for disengagement, comprise for the die case body (3) with die holder (1) interference or interference fits,
It is characterized in that:Die case body (3) is furnished with and can brings downward displacement so that with the position that is arranged in die case body (3) below of die holder (1), contact and make die case body (3) have displacement upwards until by the provision for disengagement upwards ejected from die holder (1) in follow-up precession process in the upper precession of die case body (3).
2. the die case of the punching with provision for disengagement according to claim 1,
It is characterized in that:
Described provision for disengagement comprises the screw element that Ji Yuxuan hole, hole is used in conjunction with that revolves of being located on die case body (3); Wherein:
Revolve hole for to run through the through hole of die case body (3) up and down, revolve the Kong Yuqi axial height and comprise one section thread segment with internal thread, the radial dimension that revolves the part corresponding to the thread segment top in hole is greater than the aperture of thread segment;
Screw element comprises from upper end to the threaded rod section of downward-extension, and threaded rod section below is polished rod section or without the polished rod section;
The threaded rod section is with the external screw thread matched with internal thread;
The length of polished rod section, be less than or equal to the height between thread segment utmost point bottom to die case body (3) bottom of revolving hole, and the bar footpath of polished rod is less than the internal diameter of internal thread;
The threaded rod section of screw element and the total length of polished rod section, be more than or equal to the height of die case body (3) and the height sum between thread segment utmost point top and die case body (3) bottom.
3. the die case of the punching with provision for disengagement according to claim 2,
It is characterized in that:
Described screw element is bolt (4), comprises screw rod position and head;
Described thread segment is positioned at the hypomere that revolves hole, and the hypomere that namely revolves hole is screwed hole (6); Screwed hole (6) top is connected with the unthreaded hole (5) suitable with bolt (4) head, and unthreaded hole (5) forms the whole up big and down small poroid hole of revolving of ladder that is with screwed hole (6);
The length at the screw rod position of bolt (4), be more than or equal to the height of die case body (3) and screwed hole (6) height sum.
4. a die for punching, comprise die holder (1), be embedded in the die case with punching (2) in die holder (1),
It is characterized in that:Described die case is the described die case of punching with provision for disengagement of any one in claim 1-3.
5. die for punching according to claim 4,
It is characterized in that:Described punching (2) carries on the back by cutting edge structure and cutting edge the up-small and down-big stepped hole that hollow structure forms for what be located at up/down perforation on die case body (3).
6. according to the described die for punching of claim 4 or 5,
It is characterized in that:The upper lower portion corresponding to punching (2) of described die holder (1) is provided with the material-dropping hole (7) that runs through up and down die holder (1), and the diameter of described material-dropping hole (7) is greater than cutting edge back of the body hollow structure diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202271437U CN203304381U (en) | 2013-04-28 | 2013-04-28 | Punching female die sleeve with dismounting device and corresponding punching die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202271437U CN203304381U (en) | 2013-04-28 | 2013-04-28 | Punching female die sleeve with dismounting device and corresponding punching die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203304381U true CN203304381U (en) | 2013-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202271437U Expired - Fee Related CN203304381U (en) | 2013-04-28 | 2013-04-28 | Punching female die sleeve with dismounting device and corresponding punching die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203304381U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104438581A (en) * | 2014-11-28 | 2015-03-25 | 天津汽车模具股份有限公司 | Material pressing core with concave die sleeve |
| CN114985989A (en) * | 2022-07-04 | 2022-09-02 | 成都顺泽智科技有限责任公司 | Laser beam splitter microscope base assembling and disassembling device |
-
2013
- 2013-04-28 CN CN2013202271437U patent/CN203304381U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104438581A (en) * | 2014-11-28 | 2015-03-25 | 天津汽车模具股份有限公司 | Material pressing core with concave die sleeve |
| CN114985989A (en) * | 2022-07-04 | 2022-09-02 | 成都顺泽智科技有限责任公司 | Laser beam splitter microscope base assembling and disassembling device |
| CN114985989B (en) * | 2022-07-04 | 2023-12-12 | 成都顺泽智科技有限责任公司 | Laser beam splitter mirror base dress gets device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20210428 |