CN103394598A - Hole flanging cracking-prevention die - Google Patents
Hole flanging cracking-prevention die Download PDFInfo
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- CN103394598A CN103394598A CN2013103560123A CN201310356012A CN103394598A CN 103394598 A CN103394598 A CN 103394598A CN 2013103560123 A CN2013103560123 A CN 2013103560123A CN 201310356012 A CN201310356012 A CN 201310356012A CN 103394598 A CN103394598 A CN 103394598A
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- hole flanging
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Abstract
The invention discloses a hole flanging cracking-prevention die, which includes an upper die base, a lower die base, a lower die plate placed on the lower die base, as well as a punching device placed under the upper die base, a stripping assembly connected to the punching device and placed between the upper die base and the lower die base, and a molding groove formed in the lower die plate, wherein the molding groove includes a molding groove body, a cracking-prevention wall extending from the molding groove body in an inclined manner; the inclining direction of the cracking-prevention wall is far from a center shaft of the molding groove. The hole flanging cracking-prevention die provided by the invention is in common use for hole flanging of thick plates of all stamping parts, avoids the cracking of products, improves the production efficiency and is stable in sizes of parts.
Description
Technical field
The hole flanging mold of a kind of hole flanging mold, particularly a kind of anti-cracking.
Background technology
Automotive-type, building material part are when carrying out slab hole flanging operation in the market, can't guarantee effectively that cracking phenomena does not appear in product, can only increase second operation work comes the product chamfering, corresponding operating personnel, pressing equipment, semi-finished product Turnover Box, the place etc. of increasing, cause that part production efficiency is low, accessory size is unstable, energy consumption and the part unit price high, can't carry out producing in enormous quantities in the short time., for present these present situations, need to a kind ofly can either guarantee Product Precision in progressive die, " the anti-cracking of the slab hole flanging mechanism " that can enhance productivity again.Because the traditional single die of application has many drawbacks; External progressive die structure can not meet each system stamping parts demand in part fully; Therefore for the various features of all kinds of parts, target is the requirement that the hole flanging mold of the general a kind of anti-cracking of needs research and development meets above all stamping parts slab hole flangings simultaneously.
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide a kind ofly be common to all stamping parts slab hole flangings and guarantee that product is indehiscent, enhance productivity and the hole flanging mold of the anti-cracking that accessory size is stable.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
A kind of mould that prevents the hole flanging cracking, comprise: upper bolster, die shoe, be placed in the lower bolster of die shoe top, also comprise: be placed in the hole punched device of upper bolster below, be connected in hole punched device and be placed in and take off the material assembly between upper bolster, die shoe, be placed in the forming tank on lower bolster, forming tank forms to be had: the forming tank body, and inclination extends the anticracking wall of forming tank body, and the incline direction of anticracking wall is away from the forming tank central shaft.
Aforesaid a kind of mould that prevents the hole flanging cracking, hole punched device comprises: be placed in the bolster under upper bolster, be placed in the fixture under bolster, be fixed in fixture and the coaxial punching pin of hole flanging in forming tank, be penetrated with the hole flanging punching pin and be placed in the locating part of fixture below, connect the coupling assembling between upper bolster and locating part.
Aforesaid a kind of mould that prevents the hole flanging cracking, taking off material assembly composition has: relative product space is fixed on die shoe and runs through the second elastic component of lower bolster, be placed in the ejection piece on the second elastic component, be placed in locating part below and be penetrated with the stripper plate of hole flanging punching pin.
Aforesaid a kind of mould that prevents hole flanging cracking, coupling assembling forms to be had: be fixed in upper bolster and be slidably connected to the connector of locating part, be fixed in the first elastic component between upper bolster and locating part.
Aforesaid a kind of mould that prevents the hole flanging cracking, the drift of hole flanging punching pin is tapered punch.
Aforesaid a kind of mould that prevents the hole flanging cracking, bolster is upper padding plate, and fixture is train wheel bridge, and locating part is baffle plate.
Aforesaid a kind of mould that prevents the hole flanging cracking, the top of ejection piece protrudes from the top of forming tank.
Aforesaid a kind of mould that prevents the hole flanging cracking, the second elastic component is spring, ejection piece is for taking off the material push rod.
Aforesaid a kind of mould that prevents the hole flanging cracking, connector is shaft shoulder spiral shell, the first elastic component is spring box.
Usefulness of the present invention is: provide a kind of and be common to all stamping parts slab hole flangings and guarantee that product is indehiscent, enhance productivity and the hole flanging mold of the stable anti-cracking of accessory size.
Description of drawings
Fig. 1 is the front view of an embodiment of the present invention when die opening state;
Fig. 2 is the front view of an embodiment of the present invention when the mold closing state;
Fig. 3 is the sectional view of a kind of embodiment of product of the present invention.
The implication of Reference numeral in figure:
1 upper bolster, 2 die shoes, 3 lower bolsters, 4 forming tank, 401 anticracking walls, 5 hole flanging punching pines, 501 tapered punch, 6 products, 601 hole flanging outer walls, 602 hole flanging inwalls, 7 upper padding plates, 8 train wheel bridges, 9 baffle plates, 10 springs, 11 take off the material push rod, 12 spring boxs, 13 shaft shoulder bolts, 14 stripper plates, 15 pass through piece.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is done concrete introduction.
A kind of mould that prevents the hole flanging cracking, comprising: upper bolster 1, die shoe 2, be placed in the lower bolster 3 of die shoe 2 tops, also comprise: be placed in the hole punched device of upper bolster 1 below, be connected in hole punched device and be placed in and take off the material assembly between upper bolster 1, die shoe 2, be placed in the forming tank 4 on lower bolster 3; The drift of hole flanging punching pin 5 is the shape of tapered punch for forming tank 4, the more effective punching press of tapered punch, and in punching course, tapered punch is descending to the pressure of product 6, has avoided the through hole crack at edge of going out of product 6.
Need to prove, forming tank 4 forms to be had: forming tank body 401, and inclination extends the anticracking wall 402 of forming tank body 401, and the incline direction of anticracking wall 402 is away from forming tank 4 central shafts.The shape of anticracking wall 402 is " back taper " namely, and such shape is greater than vertical angle shape the material outer wall at product 6 hole flanging positions, has guaranteed that product 6 can not occur because hole flanging excessively cause the phenomenon of end cracking.
Hole punched device comprises: be placed in the bolster under upper bolster 1, be placed in the fixture under bolster, be fixed in fixture and the coaxial punching pin of hole flanging in forming tank 45, be penetrated with hole flanging punching pin 5 and be placed in the locating part of fixture below, connect the coupling assembling between upper bolster 1 and locating part.As a kind of preferred, bolster is upper padding plate 7, and fixture is train wheel bridge 8, and locating part is baffle plate 9.Upper padding plate 7 has been extenuated the impulse force when hole flanging punching pin 5 recovers, and has increased the life-span of hole flanging punching pin 5 and other parts; Baffle plate 9 has limited the stroke of hole flanging punching pin 5, can control by the distance between adjusting baffle plate 9 and lower bolster 3 stroke of hole flanging punching pin 5.
Taking off the material assembly forms and to have: product 6 positions are fixed on die shoe 2 and run through the second elastic component of lower bolster 3 relatively, are placed in the ejection piece on the second elastic component, are placed in baffle plate 9 belows and are penetrated with the stripper plate 14 of hole flanging punching pin 5.As a kind of preferred, the second elastic component is spring 10, and ejection piece is for taking off material push rod 11.Restoring force by spring 10, product 6 is ejected forming tank 4, need to prove, stripper plate 14 is provided with by piece 15 with respect to the position of forming tank 4, by be provided with in piece 15 communicate with baffle plate 9 and be used for the through hole allow hole flanging punching pin 5 pass through, lower bolster 3 and the mounting groove that is provided with corresponding to the position by piece 15 for installation forming groove 4 and spring 10, the top of taking off material push rod 11 protrudes from the top of forming tank 4, and forming tank 4 tops and lower bolster 3 tops are at same plane.Such structure, be more convenient for effectively product 6 being ejected forming tank 4 fast.
Coupling assembling forms to be had: be fixed in upper bolster 1 and be slidably connected to the connector of locating part, be fixed in the first elastic component between upper bolster 1 and locating part.As a kind of preferred, connector is that shaft shoulder bolt 13, the first elastic components are spring box 12.Shaft shoulder bolt 13 is one section and do not have threaded bolt, and such design can coordinate with spring box 12 up and down motion automatically.
(as shown in Figure 1) stripper plate 14 contact products 6 when mould starts closure, product 6 is pressed on lower bolster 3, product 6 will take off material push rod 11 and press to desired location, spring 10 descends thereupon, the strength of mould closure passes to baffle plate 9 by stripper plate 14, baffle plate 9 passes to spring box 12, the stressed contraction of spring box 12, stripper plate 14, baffle plate 9 rises along shaft shoulder bolt 13 directions, hole flanging punching pin 5 exposes from patrix from the piece 15 that passes through in stripper plate 14, the forming hole that hole flanging punching pin 5 inserts in forming tank 4 through product 6, anticracking wall 402(is as shown in the figure) product 6 hole flanging outer wall 601 extruding are inverted cone shape (as shown in the figure), product 6 hole flanging inwalls 602 in vertical state, so far, product 6 hole flangings are gone out.Patrix is opened, taking off material push rod 11 is subjected to the power of spring 10 recoveries that material is taken off from forming tank 4 in product 6 tops, mould continues to rise, stripper plate 14, baffle plate 9 are subjected to the power of spring box 12 recoveries, drop to home position along shaft shoulder bolt 13 directions, hole flanging punching pin 5 is hidden in stripper plate 14, and mold open is completed, and the hole flanging operation is completed.
The present invention is common to all stamping parts slab hole flangings and prevents generation to cracking phenomena more than thickness 1.5mm and during the high-strength material hole flanging.Next hour of normal condition can produce 1800 more than non-defective unit, and efficiency has improved twice.Personnel, equipment, place, energy consumption etc. can save, thereby have reduced the unit price of part, have improved the competitiveness in market.
Above demonstration and described basic principle of the present invention, principal character and advantage.The technical staff of the industry should understand, and above-described embodiment does not limit the present invention in any form, and all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in protection scope of the present invention.
Claims (9)
1. mould that prevents hole flanging cracking, comprise: upper bolster, die shoe, be placed in the lower bolster of above-mentioned die shoe top, it is characterized in that, also comprise: the hole punched device that is placed in above-mentioned upper bolster below, be connected in above-mentioned hole punched device and be placed in and take off the material assembly between above-mentioned upper bolster, die shoe, be placed in the forming tank on above-mentioned lower bolster, above-mentioned forming tank forms to be had: the forming tank body, tilt to extend the anticracking wall of above-mentioned forming tank body, the incline direction of above-mentioned anticracking wall is away from above-mentioned forming tank central shaft.
2. a kind of mould that prevents hole flanging cracking according to claim 1, it is characterized in that, above-mentioned hole punched device comprises: be placed in the bolster under above-mentioned upper bolster, be placed in the fixture under above-mentioned bolster, be fixed in above-mentioned fixing piece and the coaxial punching pin of hole flanging in above-mentioned forming tank, be penetrated with above-mentioned hole flanging punching pin and be placed in the locating part of above-mentioned fixing piece below, connect the coupling assembling between above-mentioned upper bolster and locating part.
3. a kind of mould that prevents hole flanging cracking according to claim 2, it is characterized in that, the above-mentioned material assembly composition that takes off has: relative product space is fixed on above-mentioned die shoe and runs through the second elastic component of above-mentioned lower bolster, be placed in the ejection piece on above-mentioned the second elastic component, be placed in above-mentioned locating part below and be penetrated with the stripper plate of above-mentioned hole flanging punching pin.
4. a kind of mould that prevents hole flanging cracking according to claim 2, it is characterized in that, above-mentioned coupling assembling forms to be had: be fixed in above-mentioned upper bolster and be slidably connected to the connector of above-mentioned locating part, be fixed in the first elastic component between above-mentioned upper bolster and locating part.
5. a kind of mould that prevents the hole flanging cracking according to claim 2, is characterized in that, the drift of above-mentioned hole flanging punching pin is tapered punch.
6. a kind of mould that prevents the hole flanging cracking according to claim 2, is characterized in that, above-mentioned bolster is upper padding plate, and above-mentioned fixing piece is train wheel bridge, and above-mentioned locating part is baffle plate.
7. a kind of mould that prevents the hole flanging cracking according to claim 3, is characterized in that, the top of above-mentioned ejection piece protrudes from the top of above-mentioned forming tank.
8. a kind of mould that prevents the hole flanging cracking according to claim 3, is characterized in that, above-mentioned the second elastic component is spring, and above-mentioned ejection piece is for taking off the material push rod.
9. a kind of mould that prevents the hole flanging cracking according to claim 4, is characterized in that, above-mentioned connector is shaft shoulder bolt, and above-mentioned the first elastic component is spring box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103560123A CN103394598A (en) | 2013-08-16 | 2013-08-16 | Hole flanging cracking-prevention die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103560123A CN103394598A (en) | 2013-08-16 | 2013-08-16 | Hole flanging cracking-prevention die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103394598A true CN103394598A (en) | 2013-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103560123A Pending CN103394598A (en) | 2013-08-16 | 2013-08-16 | Hole flanging cracking-prevention die |
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| CN (1) | CN103394598A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10305333A (en) * | 1997-05-09 | 1998-11-17 | Misumi Corp | Pole retainer holding structure of metal mold and device |
| CN201271693Y (en) * | 2008-09-03 | 2009-07-15 | 中国华录·松下电子信息有限公司 | Mould apparatus used capable of processing metal plate flanging hole and having deburring function |
| CN202984446U (en) * | 2012-11-29 | 2013-06-12 | 亿和精密金属制品(深圳)有限公司 | Thin material hole flanging mould |
| CN203018581U (en) * | 2013-01-05 | 2013-06-26 | 中国第一汽车股份有限公司 | Upsetting-stamping composite mould |
| CN203044695U (en) * | 2013-02-04 | 2013-07-10 | 扬州恒德模具有限公司 | Flanging once-molding mould |
| CN203448537U (en) * | 2013-08-16 | 2014-02-26 | 昆山联德精密机械有限公司 | Die for preventing hole flanging cracking |
-
2013
- 2013-08-16 CN CN2013103560123A patent/CN103394598A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10305333A (en) * | 1997-05-09 | 1998-11-17 | Misumi Corp | Pole retainer holding structure of metal mold and device |
| CN201271693Y (en) * | 2008-09-03 | 2009-07-15 | 中国华录·松下电子信息有限公司 | Mould apparatus used capable of processing metal plate flanging hole and having deburring function |
| CN202984446U (en) * | 2012-11-29 | 2013-06-12 | 亿和精密金属制品(深圳)有限公司 | Thin material hole flanging mould |
| CN203018581U (en) * | 2013-01-05 | 2013-06-26 | 中国第一汽车股份有限公司 | Upsetting-stamping composite mould |
| CN203044695U (en) * | 2013-02-04 | 2013-07-10 | 扬州恒德模具有限公司 | Flanging once-molding mould |
| CN203448537U (en) * | 2013-08-16 | 2014-02-26 | 昆山联德精密机械有限公司 | Die for preventing hole flanging cracking |
Non-Patent Citations (1)
| Title |
|---|
| 陈炎嗣: "《冲压模具实用结构图册》", 30 September 2006, 机械工业出版社 * |
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Application publication date: 20131120 |