CN104438579A - Punching die and punch - Google Patents

Punching die and punch Download PDF

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Publication number
CN104438579A
CN104438579A CN201410706936.6A CN201410706936A CN104438579A CN 104438579 A CN104438579 A CN 104438579A CN 201410706936 A CN201410706936 A CN 201410706936A CN 104438579 A CN104438579 A CN 104438579A
Authority
CN
China
Prior art keywords
punching
hole
projection
die
annular
Prior art date
Application number
CN201410706936.6A
Other languages
Chinese (zh)
Inventor
刘永润
Original Assignee
芜湖贝斯特新能源开发有限公司
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 芜湖贝斯特新能源开发有限公司 filed Critical 芜湖贝斯特新能源开发有限公司
Priority to CN201410706936.6A priority Critical patent/CN104438579A/en
Publication of CN104438579A publication Critical patent/CN104438579A/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00Shaping by press-cutting; Perforating
    • B21D28/24Perforating, i.e. punching holes
    • B21D28/26Perforating, i.e. punching holes in sheets or flat parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00Shaping by press-cutting; Perforating
    • B21D28/24Perforating, i.e. punching holes
    • B21D28/34Perforating tools; Die holders

Abstract

The invention discloses a punching die and a punch. The punching die is used for punching on a metal sheet and comprises an upper die and a lower die; the upper die comprises a base part (1), a lug (4) and a circular boss (2), the circular boss (2) is located at the bottom of the base part (1), the lug (4) is located in the circular boss (2) and connected with the bottom of the base part (1); the lower die comprises a base (5), a punching hole is formed in the top of the base and a circular dent (6) is arranged at the top of the base, the lug (4) can extend to the punching hole, and the circular boss (2) can extend to the circular dent (6). The punch can further punch a mounting hole with a circular boss on the metal sheet.

Description

Punching die and perforating press

Technical field

The present invention relates to metallic plate punching, particularly, relate to a kind of punching die and perforating press.

Background technology

In drum type brake solar thermal collector, include inner core, urceolus and thermal-collecting tube, inner core and urceolus are equipped with installing hole, and inner core is positioned at urceolus, and one end of thermal-collecting tube is intercalated in the installing hole of inner core and urceolus.When installing hole is directly opened on metallic plate, one end of thermal-collecting tube is often difficult to aim in intercalation process, and this is because the edge of installing hole often occurs burr.At present, the edge of installing hole is often provided with the annular projection of outwardly convex, enters in inner core and urceolus like this in the easier intercalation of thermal-collecting tube.But the existing perforating press for punching press with the installing hole of annular projection often needs two steps to carry out, and namely first punching press through hole is then at punching press annular projection, so greatly hinders the raising of production efficiency.

Summary of the invention

The object of this invention is to provide a kind of punching die and have the perforating press of this punching die, this perforating press a step can stamp out the installing hole with annular projection on a metal plate.

To achieve these goals, the invention provides a kind of punching die, punching die is for punching on sheet metal, and punching die comprises upper die and lower die; Patrix comprises base portion, projection and annular convex, and annular convex is positioned at the bottom of base portion, and projection is positioned at annular convex and is connected to the bottom of base portion; Counterdie comprises pedestal, and the top of pedestal is provided with punching hole and annular recessed portion, and projection can extend in punching hole, and annular convex can extend in annular recessed portion.

Preferably, projection is cylinder, and punching hole is cylindrical bore.

Preferably, annular convex is cylindric protruding, and annular recessed portion is cylindric groove.

Preferably, the height of projection is higher than the height of annular convex.

Preferably, punching hole is through hole.

Present invention also offers a kind of perforating press, this perforating press comprises above-mentioned punching die and driving mechanism; The patrix of punching die is positioned at the top of counterdie, and driving mechanism is connected with patrix and patrix can be driven to transport merit downwards.

According to technique scheme, the concrete use procedure that the invention provides punching die is as follows: be first positioned on counterdie by sheet metal, then patrix moves downward the upper surface joint with sheet metal by the driving of driving mechanism, now, projection can stamp out through hole under the effect of stamping press on sheet metal, annular convex can make the metal of through hole periphery extrude in annular recessed portion simultaneously, thus makes the metal of through hole periphery vertically to get up to form annular projection.This punching die a step can form the installing hole with annular projection on sheet metal, drastically increases operating efficiency, reduces production cost.

Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.

Accompanying drawing explanation

Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:

Fig. 1 is the structural representation of the punching die provided in a kind of preferred embodiment of the present invention;

Fig. 2 is the structural representation of the punching die provided in another kind of preferred embodiment of the present invention.

Description of reference numerals

1, base portion 2, annular convex

4, projection 5, pedestal

6, annular recessed portion

Detailed description of the invention

Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.

In the present invention, when not doing contrary explanation, the nouns of locality be included in term such as " upper and lower, the ends " only represents the orientation of this term under normal service condition, or being commonly called as those skilled in the art's understanding, and should not be considered as the restriction to this term.

The invention provides a kind of punching die, this punching die is for punching on sheet metal, and this punching die as shown in the figure, comprises upper die and lower die; Patrix comprises base portion 1, projection 4 and annular convex 2, and annular convex 2 is positioned at the bottom of base portion 1, and projection 4 is positioned at annular convex 2 and is connected to the bottom of base portion 1; Counterdie comprises pedestal 5, and the top of pedestal is provided with punching hole and annular recessed portion 6, and projection 4 can extend in punching hole, and annular convex 2 can extend in annular recessed portion 6.

The concrete use procedure that the invention provides punching die is as follows: be first positioned on counterdie by sheet metal, then patrix moves downward the upper surface joint with sheet metal by the driving of driving mechanism, now, projection 4 can extend until extend in punching hole under the effect of stamping press in punching hole, thus through hole can be stamped out on sheet metal, annular convex 2 can make the metal of through hole periphery extrude in annular recessed portion 6 simultaneously, thus makes the metal of through hole periphery vertically to get up to form annular projection.This punching die a step can form the installing hole with annular projection on sheet metal, drastically increases operating efficiency, reduces production cost.

In the present invention, projection 4 and punching hole cooperatively interact setting, the concrete structure of projection 4 and punching hole can change in wide scope, wherein, projection 4 can be cylinder can be also cuboid, but considers that the thermal-collecting tube in solar thermal collector is cylindrical tube, preferably, projection 4 is cylinder, and punching hole is cylindrical bore.Like this, just can make the through hole got can with thermal-collecting tube completely with the use of.

Simultaneously, the concrete shape of the annular projection be stamped to form by annular convex 2 and annular recessed portion 6 also can be selected in wide scope, but considers that cylindric annular projection has more excellent stability, preferably, annular convex 2 is cylindric protruding, and annular recessed portion 6 is cylindric groove.

In addition, the height of projection 4 and the height of annular convex 2 can be equal in the present invention, also can not wait, in order to make the through hole of sheet metal comparatively annular projection formed one step ahead, like this process annular projection time, annular convex 2 can play larger stamping press and make metal be stamped to annular recessed portion 6 completely, then take sheet metal out of by patrix thus form the installing hole with annular projection, preferably, as shown in Figure 2, the height of projection 4 is higher than the height of annular convex 2.

In addition, in the present invention, punching hole can be through hole, also can be blind hole, but in order to make the scrap metal stamped out to get rid of in time, preferably, punching hole is through hole.Doing so avoids the drawback needing to get scrap metal in blind hole.

Present invention also offers a kind of perforating press, perforating press comprises above-mentioned punching die and driving mechanism; The patrix of punching die is positioned at the top of counterdie, and driving mechanism is connected with patrix and patrix can be driven to transport merit downwards.So only need start driving mechanism just can form the installing hole with annular projection on sheet metal.

Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.

It should be noted that in addition, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible combination.

In addition, also can be combined between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.

Claims (6)

1. a punching die, described punching die, for punching on sheet metal, is characterized in that, described punching die comprises upper die and lower die; Described patrix comprises base portion (1), projection (4) and annular convex (2), described annular convex (2) is positioned at the bottom of described base portion (1), and described projection (4) is positioned at described annular convex (2) and is connected to the bottom of described base portion (1); Described counterdie comprises pedestal (5), the top of described pedestal is provided with punching hole and annular recessed portion (6), described projection (4) can extend in described punching hole, and described annular convex (2) can extend in described annular recessed portion (6).
2. punching die according to claim 1, is characterized in that, described projection (4) is cylinder, and described punching hole is cylindrical bore.
3. punching die according to claim 1, is characterized in that, described annular convex (2) is cylindric protruding, and described annular recessed portion (6) is cylindric groove.
4. punching die according to claim 1, is characterized in that, the height of described projection (4) is higher than the height of described annular convex (2).
5. the punching die according to any one in claim 1-4, is characterized in that, described punching hole is through hole.
6. a perforating press, is characterized in that, described perforating press comprises punching die described in any one in claim 1-5 and driving mechanism; The patrix of described punching die is positioned at the top of counterdie, and described driving mechanism is connected with described patrix and described patrix can be driven to transport merit downwards.
CN201410706936.6A 2014-11-28 2014-11-28 Punching die and punch CN104438579A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410706936.6A CN104438579A (en) 2014-11-28 2014-11-28 Punching die and punch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410706936.6A CN104438579A (en) 2014-11-28 2014-11-28 Punching die and punch

Publications (1)

Publication Number Publication Date
CN104438579A true CN104438579A (en) 2015-03-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410706936.6A CN104438579A (en) 2014-11-28 2014-11-28 Punching die and punch

Country Status (1)

Country Link
CN (1) CN104438579A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106734551A (en) * 2016-12-14 2017-05-31 惠州市哈罗德科技有限公司 Decompressor
CN107030183A (en) * 2016-12-14 2017-08-11 惠州市哈罗德科技有限公司 Molding device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008155216A (en) * 2006-12-20 2008-07-10 Oiles Ind Co Ltd Punch for punching sheet metal, sheet metal punching device provided with the punch, and method therefor
CN202239260U (en) * 2011-09-19 2012-05-30 常熟市杜尼电子有限责任公司 Punching die
CN102672055A (en) * 2012-06-13 2012-09-19 昆山维金五金制品有限公司 Punching mold of adapting part
CN103084479A (en) * 2012-11-13 2013-05-08 无锡爱博金属制品有限公司 Punching and raising die for upper reinforcing plate of back door wiper
CN203209522U (en) * 2013-04-19 2013-09-25 山东正顺车轮有限公司 Working table for punching central hole and screw holes through center plate

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008155216A (en) * 2006-12-20 2008-07-10 Oiles Ind Co Ltd Punch for punching sheet metal, sheet metal punching device provided with the punch, and method therefor
CN202239260U (en) * 2011-09-19 2012-05-30 常熟市杜尼电子有限责任公司 Punching die
CN102672055A (en) * 2012-06-13 2012-09-19 昆山维金五金制品有限公司 Punching mold of adapting part
CN103084479A (en) * 2012-11-13 2013-05-08 无锡爱博金属制品有限公司 Punching and raising die for upper reinforcing plate of back door wiper
CN203209522U (en) * 2013-04-19 2013-09-25 山东正顺车轮有限公司 Working table for punching central hole and screw holes through center plate

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106734551A (en) * 2016-12-14 2017-05-31 惠州市哈罗德科技有限公司 Decompressor
CN107030183A (en) * 2016-12-14 2017-08-11 惠州市哈罗德科技有限公司 Molding device
CN106734551B (en) * 2016-12-14 2019-05-07 台山市汇铭五金压铸有限公司 Stamping device

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SE01 Entry into force of request for substantive examination
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Application publication date: 20150325