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CN203737859U - Lower aluminum alloy plate punching die with embedded steel insert - Google Patents

Lower aluminum alloy plate punching die with embedded steel insert Download PDF

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Publication number
CN203737859U
CN203737859U CN201420085452.XU CN201420085452U CN203737859U CN 203737859 U CN203737859 U CN 203737859U CN 201420085452 U CN201420085452 U CN 201420085452U CN 203737859 U CN203737859 U CN 203737859U
Authority
CN
China
Prior art keywords
aluminum alloy
alloy plate
steel
steel insert
punch die
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.)
Expired - Lifetime
Application number
CN201420085452.XU
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Chinese (zh)
Inventor
张勇兵
钟国文
陈明英
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.)
Chengdu Aircraft Industrial Group Co Ltd
Original Assignee
Chengdu Aircraft Industrial Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chengdu Aircraft Industrial Group Co Ltd filed Critical Chengdu Aircraft Industrial Group Co Ltd
Priority to CN201420085452.XU priority Critical patent/CN203737859U/en
Application granted granted Critical
Publication of CN203737859U publication Critical patent/CN203737859U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model provides a lower aluminum alloy plate punching die with an embedded steel insert. The lower aluminum alloy plate punching die aims at solving the problems that in the prior art, cracks are prone to being generated on the periphery, particularly at the corner positions of a steel insert of a lower aluminum alloy plate punching die with the embedded steel insert, and the service life of the lower aluminum alloy plate punching die with the embedded steel insert is shortened. The steel insert is embedded in an aluminum alloy base body, a protrusion matched with a thin and long protruding rib model on the upper surface of the lower punching die in size and shape is arranged on the upper surface of the steel insert, the length of the steel insert is the same as that of the lower punching die, the width and the height of the steel insert are smaller than the corresponding width and the corresponding height of the lower punching die, and grooves are discontinuously formed in the outer lateral face in the length direction of the steel insert. The lower aluminum alloy plate punching die has the advantages that the connecting strength of the steel insert and zinc alloy is greatly improved, combination faces of the steel insert and zinc alloy are reduced, the cracks on the periphery, particularly at the corner positions of the steel insert are effectively avoided, and the service life of the lower aluminum alloy plate punching die with the embedded steel insert is effectively prolonged.

Description

Be embedded with punch die under the aluminum alloy plate materials that steel inserts
Technical field
The utility model relates to a kind of aluminum alloy plate materials stamping technology, specially refers to a kind of punch die under the aluminum alloy plate materials that steel inserts that is embedded with.
Background technology
In aluminum alloy plate materials stamping technology, the normal stamping die structure that adopts lower protruding fovea superior, for aluminum alloy plate materials being carried out to punch process, to prepare the aluminum alloy spare part with complex profile.Conventionally, upper trimming die adopts metal to make, and lower punch die adopts kirsite to make.Because the fusing point of metal is lower than kirsite, can adopt punch die casting metal upper trimming die under kirsite, thereby easily and fast produce metal upper trimming die.And kirsite hardness is lower, can in punching course, not scratch aluminum alloy surface, and, be easy to machining and manual processing, therefore, adopt it to make lower punch die.Conventionally, adopt overall zinc alloy material to make lower punch die, be provided with detent in four bights of lower punch die, have hoisting ring in longitudinal arranged outside.In use, lower punch die is directly placed on the workbench face of press machine, and upper and lower punch die is realized location by detent.Because zinc alloy material intensity is lower; the bulk strength of its lower punch die taking zinc alloy material as matrix is also lower; for elongated muscle class aluminum alloy plate materials stamping parts; the distortion of lower punch die matrix directly causes that the elongated convex tendon model of its upper surface deforms, damaged or fracture; its service life is shorter, has a strong impact on quality and the manufacturing schedule of stamping products.For addressing the above problem, there is a kind of punch die under the aluminum alloy plate materials that steel inserts that embeds in the Zinc alloy based body of lower punch die, this lower punch die embeds steel and inserts in kirsite matrix, described steel is inserted as elongated rectangular shape, the size of its length, width and height is little compared with the correspondingly-sized of lower punch die, and surface is provided with the projection matching with the size and shape of the elongated convex tendon model of lower punch die upper surface thereon.The lower punch die of this structure; effectively raise the matrix strength of punch die under aluminum alloy plate materials; effectively reduce the deflection of lower punch die matrix, avoid distortion, breakage or the fracture of the elongated convex tendon model on lower punch die surface, improved the service life of punch die under aluminum alloy plate materials.But, in actual use, because zinc alloy material thermal coefficient of expansion is greater than Steel material, in cooling procedure after casting because of the difference of its amount of contraction, cause the insert bonding strength of outer surface and kirsite of steel lower, under the effect of stamping press and shaking force, the steel especially corner of inserting around can produce a large amount of crackles, makes to be embedded with steel and inserts and decrease the service life of punch die under aluminum alloy plate materials.Obviously, prior art is embedded with under the aluminum alloy plate materials that steel inserts punch die and exists the steel especially corner of inserting around and easily crack, and has reduced the problem such as service life that is embedded with punch die under the aluminum alloy plate materials that steel inserts.
Summary of the invention
Be embedded with steel that under the aluminum alloy plate materials that steel inserts, punch die exists the especially corner of inserting around and easily crack for solving prior art, reduce and be embedded with the problems such as the service life of punch die under the aluminum alloy plate materials that steel inserts, the utility model proposes a kind of punch die under the aluminum alloy plate materials that steel inserts that is embedded with.The utility model is embedded with under the aluminum alloy plate materials that steel inserts punch die and in kirsite matrix, embeds steel and insert, described steel is inserted as elongated rectangular shape, and be provided with at the steel upper surface of inserting the projection matching with the size and shape of the elongated convex tendon model of lower punch die upper surface, it is characterized in that, the length dimension that steel is inserted is identical with lower punch die length, wide high size is little compared with the correspondingly-sized of lower punch die, and, be provided with and be interrupted the groove distributing at the insert lateral surface of length direction of steel.
Useful technique effect that the utility model is embedded with punch die under the aluminum alloy plate materials that steel inserts is to have improved greatly steel to insert and the bonding strength of kirsite, reducing steel inserts and the faying face of kirsite, effectively avoid insert around corner especially of steel easily to crack the generation of phenomenon, effectively improved the service life that is embedded with punch die under the aluminum alloy plate materials that steel inserts.
Brief description of the drawings
Accompanying drawing 1 is the plan structure schematic diagram of elongated muscle class aluminum alloy plate materials undershoot mould;
Accompanying drawing 2 is the structural representations of facing of elongated muscle class aluminum alloy plate materials undershoot mould;
Accompanying drawing 3 is that prior art is embedded with under the aluminum alloy plate materials that steel inserts the structural representation of facing that bubbing steel is inserted;
Accompanying drawing 4 is plan structure schematic diagrames that prior art is embedded with punch die under the aluminum alloy plate materials that steel inserts;
Accompanying drawing 5 is that the utility model is embedded with under the aluminum alloy plate materials that steel inserts the structural representation of facing that bubbing steel is inserted;
Accompanying drawing 6 is the A-A schematic diagram of accompanying drawing 5;
Accompanying drawing 7 is embedded with the plan structure schematic diagram of punch die under the aluminum alloy plate materials that steel inserts for the utility model.
Below in conjunction with the drawings and specific embodiments, the utility model being embedded with to punch die under the aluminum alloy plate materials that steel inserts is further described.
Detailed description of the invention
Accompanying drawing 1 is the plan structure schematic diagram of elongated muscle class aluminum alloy plate materials undershoot mould, and accompanying drawing 2 is the structural representations of facing of elongated muscle class aluminum alloy plate materials undershoot mould, and in figure, 1 is lower punch die matrix, and 2 is detent, and 3 is suspension ring, and 4 is aluminum alloy plate materials punching parts.As seen from the figure, conventionally, adopt overall zinc alloy material to make lower punch die, be provided with detent 2 in four bights of lower punch die, have hoisting ring 3 in longitudinal arranged outside.In use, lower punch die is directly placed on the workbench face of press machine, and upper and lower punch die is realized location by detent 2.Because zinc alloy material intensity is lower; the bulk strength of its lower punch die taking zinc alloy material as matrix is also lower; for elongated muscle class aluminum alloy plate materials stamping parts; the distortion of lower punch die matrix directly causes that the elongated convex tendon model of its upper surface deforms, damaged or fracture; its service life is shorter, has a strong impact on quality and the manufacturing schedule of stamping products.
Accompanying drawing 3 is that prior art is embedded with under the aluminum alloy plate materials that steel inserts the structural representation of facing that bubbing steel is inserted; accompanying drawing 4 is plan structure schematic diagrames that prior art is embedded with punch die under the aluminum alloy plate materials that steel inserts, and in figure, 1 is lower punch die matrix; 2 is detent, and 5 insert for steel.As seen from the figure, prior art is embedded with under the aluminum alloy plate materials that steel inserts punch die and in kirsite matrix 1, embeds steel and insert 5, described steel inserts 5 for elongated rectangular shape, the size of its length, width and height is little compared with the correspondingly-sized of lower punch die, and surface is provided with the projection matching with the size and shape of the elongated convex tendon model of lower punch die upper surface thereon.Because having embedded steel in kirsite matrix 1, punch die under aluminum alloy plate materials inserts 5(as shown in meshing in Fig. 4); and the intensity of steel is much larger than kirsite intensity; intensity and the rigidity of time punch die matrix are improved greatly; make it not yielding in punching course; effectively avoid that the elongated convex tendon model of time punch die upper surface deforms, damaged or fracture, effectively improved the quality of service life and stamping products.But, in actual use, because zinc alloy material thermal coefficient of expansion is greater than Steel material, in cooling procedure after casting because of the difference of its amount of contraction, cause the insert bonding strength of outer surface and kirsite of steel lower, under the effect of stamping press and shaking force, the steel especially corner of inserting around can produce a large amount of crackles, makes to be embedded with steel and inserts and decrease the service life of punch die under aluminum alloy plate materials.Obviously, prior art is embedded with under the aluminum alloy plate materials that steel inserts punch die and exists the steel especially corner of inserting around and easily crack, and has reduced the problem such as service life that is embedded with punch die under the aluminum alloy plate materials that steel inserts.
Accompanying drawing 5 is that the utility model is embedded with under the aluminum alloy plate materials that steel inserts the structural representation of facing that bubbing steel is inserted; accompanying drawing 6 is the A-A schematic diagram of accompanying drawing 5; accompanying drawing 7 is embedded with the plan structure schematic diagram of punch die under the aluminum alloy plate materials that steel inserts for the utility model; in figure; 1 is lower punch die matrix; 2 is detent, and 6 insert for steel.As seen from the figure, the utility model is embedded with under the aluminum alloy plate materials that steel inserts punch die and in kirsite matrix 1, embeds steel and insert 6(as shown in the meshing in accompanying drawing 7), described steel inserts 6 for elongated rectangular shape, and be provided with at steel 6 upper surfaces of inserting the projection matching with the size and shape of the elongated convex tendon model of lower punch die upper surface, it is characterized in that, insert 6 length dimension of steel is identical with lower punch die length, wide high size is little compared with the correspondingly-sized of lower punch die, and, be provided with and be interrupted the groove distributing at the insert lateral surface of 6 length directions of steel.Due to the utility model, to be embedded with the length dimension that the steel of punch die under the aluminum alloy plate materials that steel inserts inserts identical with lower punch die length, reduced steel and inserted and the faying face of kirsite.In addition, the utility model is embedded with punch die under the aluminum alloy plate materials that steel inserts, be provided with and be interrupted the groove distributing at the insert lateral surface of length direction of steel, having improved steel inserts and the bonding strength of kirsite, even steel insert and kirsite between while there is fine crack, be interrupted the groove distributing limited kirsite matrix and steel insert between relative displacement, effectively prevent further expanding of fine crack, effectively avoid insert around corner especially of steel easily to crack the generation of phenomenon, effectively improved the service life that is embedded with punch die under the aluminum alloy plate materials that steel inserts.
Obviously, useful technique effect that the utility model is embedded with punch die under the aluminum alloy plate materials that steel inserts is to have improved greatly steel to insert and the bonding strength of kirsite, reduce steel and insert and the faying face of kirsite, effectively improved the service life that is embedded with punch die under the aluminum alloy plate materials that steel inserts.

Claims (1)

1. one kind is embedded with punch die under the aluminum alloy plate materials that steel inserts, in kirsite matrix, embedding steel inserts, described steel is inserted as elongated rectangular shape, and be provided with at the steel upper surface of inserting the projection matching with the size and shape of the elongated convex tendon model of lower punch die upper surface, it is characterized in that, the length dimension that steel is inserted is identical with lower punch die length, and wide high size is little compared with the correspondingly-sized of lower punch die, and, be provided with and be interrupted the groove distributing at the insert lateral surface of length direction of steel.
CN201420085452.XU 2014-02-27 2014-02-27 Lower aluminum alloy plate punching die with embedded steel insert Expired - Lifetime CN203737859U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420085452.XU CN203737859U (en) 2014-02-27 2014-02-27 Lower aluminum alloy plate punching die with embedded steel insert

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420085452.XU CN203737859U (en) 2014-02-27 2014-02-27 Lower aluminum alloy plate punching die with embedded steel insert

Publications (1)

Publication Number Publication Date
CN203737859U true CN203737859U (en) 2014-07-30

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CN201420085452.XU Expired - Lifetime CN203737859U (en) 2014-02-27 2014-02-27 Lower aluminum alloy plate punching die with embedded steel insert

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113145709A (en) * 2021-02-03 2021-07-23 重庆大学 Sheet forming soft die structure with enhanced additive manufacturing insert and manufacturing method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113145709A (en) * 2021-02-03 2021-07-23 重庆大学 Sheet forming soft die structure with enhanced additive manufacturing insert and manufacturing method thereof

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CX01 Expiry of patent term

Granted publication date: 20140730

CX01 Expiry of patent term