CN104624784A - Piercing die for side hole of low-pressure special-shaped main oil pipe of gasoline engine for vehicle - Google Patents
Piercing die for side hole of low-pressure special-shaped main oil pipe of gasoline engine for vehicle Download PDFInfo
- Publication number
- CN104624784A CN104624784A CN201410851451.6A CN201410851451A CN104624784A CN 104624784 A CN104624784 A CN 104624784A CN 201410851451 A CN201410851451 A CN 201410851451A CN 104624784 A CN104624784 A CN 104624784A
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- China
- Prior art keywords
- die
- main oil
- punching
- concave die
- punching concave
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/28—Perforating, i.e. punching holes in tubes or other hollow bodies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The invention discloses a piercing die for a side hole of a low-pressure special-shaped main oil pipe of a gasoline engine for a vehicle. The piercing die comprises an upper die and a lower die arranged opposite to the upper die, the upper die comprises an upper die base, an upper die bottom plate arranged below the upper die base and a punch arranged on the upper die bottom plate, the lower die comprises a lower die base, a lower die bottom plate arranged above the lower die base and a piercing female die arranged on the lower die bottom plate, the cross section of the piercing female die is elliptical, a material falling blind hole is formed in the arc-shaped surface of one side of the piercing female die in the major axis direction, and a side edge material falling hole is formed in the piercing female die in the minor axis direction, penetrates through the two side end faces of the piercing female die in the minor axis direction and is communicated with the bottom of the material falling blind hole. Due to the fact that a material falling hole is formed by combining the material falling blind hole and the side edge material falling hole, the material falling hole is not pierced in the minor axis direction, and the strength, stability, consistency and reliability of the piercing female die can be guaranteed to the greatest extent.
Description
Technical field
The present invention relates to punching die technical field, particularly relate to a kind of vehicular petrol engine low pressure special-shaped main oil pipe side opening perforating die, be specially adapted to the minimum wall thickness punching of arcwall face die of automobile engine stainless steel elliptical tube.
Background technology
Medium-to-high grade for motor vehicle petrol engine now all adopts conventional elliptical tube, to improve fuel responsive speed and fuel mix precision, thus reach higher combustibility, improve engine performance and economize energy, and in its fuel dispenser system, main oil pipe is generally elliptical tube.When elliptical tube holes punched on surface, design punching on arcwall face usually, and blade clearance is greater than more than one times of elliptical tube wall thickness, to ensure intensity and the life-span of female die of die.But it is the punching of 0.5mm that elliptical tube perforating die of the prior art cannot complete the monolateral die wall thickness of arcwall face, when actual production, milling generic way completes to bore normally to adopt machining center, but this punch pattern not only will drop into a large amount of funds and buy process equipment, and production efficiency is also low.
For this reason, applicant carried out useful exploration and trial, have found result of the above problems, technical scheme described below produces under this background.
Summary of the invention
Technical problem to be solved by this invention: a kind of vehicular petrol engine low pressure special-shaped main oil pipe side opening perforating die is provided for the deficiencies in the prior art, this side opening perforating die overcomes the minimum wall thickness punching of arcwall face of motor petrol fuel dispenser system elliptical tube in prior art, ensure that the intensity of the arcwall face of elliptical tube minimum wall thickness punching die die, improve punch work efficiency.
Technical problem solved by the invention can realize by the following technical solutions:
A kind of vehicular petrol engine low pressure special-shaped main oil pipe side opening perforating die, the counterdie comprising patrix and be oppositely arranged with described patrix, described patrix comprises upper bolster, the drift being arranged on the upper baffle plate below described upper bolster and being arranged on described upper baffle plate, described counterdie comprises die shoe, the punching concave die being arranged on the lower mould bottom plate above described die shoe and being arranged in described lower mould bottom plate, it is characterized in that, the cross section ovalize of described punching concave die, described punching concave die offers a blanking blind hole along on the side arcwall face of long axis direction, described punching concave die offers along short-axis direction the side material-dropping hole that a through described punching concave die is communicated with along the both sides end face of short-axis direction and with the bottom of described blanking blind hole.
In a preferred embodiment of the invention, the monolateral wall thickness of front punching concave die of described punching concave die is 0.5mm; Be the oval main oil pipes of 304 stainless steels by the product of described punching concave die punching, the wall thickness of the oval main oil pipes of described 304 stainless steels is 1.2mm, and punching hole diameter is 7.97mm, and minor axis internal diameter is 9mm.
In a preferred embodiment of the invention, described lower mould bottom plate is provided with an opening up arc lower groove, the position that described upper baffle plate is relative with the arc lower groove of described lower mould bottom plate is provided with a downward opening upper deep-slotted chip breaker, the degree of depth of described arc lower groove is greater than the degree of depth of described upper deep-slotted chip breaker.
Vehicular petrol engine low pressure of the present invention special-shaped main oil pipe side opening perforating die is when carrying out punching, first in type oval main oil pipe is inserted in punching concave die, drift carries out punching to the oval main oil pipe of having good positioning, waste material after punching is fallen on side material-dropping hole through after blanking blind hole, now, to the waste material blowout of side material-dropping hole be positioned at by blower fan, and not need to fall by free gravity.Because material-dropping hole is that blanking blind hole and side material-dropping hole combine, material-dropping hole is not got through along long axis direction, intensity and stability, uniformity and the reliability of punching concave die can be ensure that to the full extent, and this side opening perforating die is the specialized designs for the punching of elliptical tube arcwall face mainly, high to the efficiency of elliptical tube arcwall face punching, solve the inefficient problem of Cutter Body Processing with Machining Center.In addition, upper and lower baffle plate of the present invention is provided with upper and lower deep-slotted chip breaker, can positions oval main oil pipe, prevent punching sideslip, improve punching precision.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the front view of punching concave die of the present invention.
Fig. 3 is the right view of punching concave die of the present invention.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
See a kind of vehicular petrol engine low pressure special-shaped main oil pipe side opening perforating die provided in Fig. 1, figure, the counterdie 200 comprising patrix 100 and be oppositely arranged with patrix 100.
The drift 130 that patrix 100 comprises upper bolster 110, is arranged on the upper baffle plate 120 below upper bolster 110 and is arranged on baffle plate 120.The punching concave die 230 that counterdie 200 comprises die shoe 210, is arranged on the lower mould bottom plate 220 above die shoe 210 and is arranged in lower mould bottom plate 220.
See Fig. 2 and Fig. 3, the cross section ovalize of punching concave die 230, punching concave die 230 offers a blanking blind hole 231 along on the side arcwall face 233 of long axis direction, punching concave die 230 offers the side material-dropping hole 232 of a through punching concave die 230 along the both sides end face 234,235 of short-axis direction along short-axis direction, and the inner hole wall of this side material-dropping hole 232 is communicated with the bottom of blanking blind hole 231.Punching concave die 230 adopts the mode of front punching to carry out punching, and its front punch clearance s is 0.5mm, is less than 0.5T (T is the thickness of elliptical tube).In addition, be the oval main oil pipes of 304 stainless steels by the product of punching concave die 230, the wall thickness of the oval main oil pipe of this 304 stainless steel is 1.2mm, and punching hole diameter is 7.97mm, and minor axis internal diameter is 9mm.
In addition, lower mould bottom plate 220 is provided with an opening up arc lower groove 221, the position that upper baffle plate 120 is relative with the arc lower groove 221 of lower mould bottom plate 220 is provided with a downward opening upper deep-slotted chip breaker 121, the degree of depth of arc lower groove 221 is greater than the degree of depth of deep-slotted chip breaker 121, during matched moulds, can position oval main oil pipe, prevent punching sideslip, improve punching precision.
Vehicular petrol engine low pressure of the present invention special-shaped main oil pipe side opening perforating die is when carrying out punching, first in type oval main oil pipe is inserted in punching concave die 230, drift 130 carries out punching to the oval main oil pipe of having good positioning, waste material after punching is fallen on side material-dropping hole 232 through after blanking blind hole 231, now, to the waste material blowout of side material-dropping hole 232 be positioned at by blower fan, and not need to fall by free gravity.Because material-dropping hole is that blanking blind hole 231 combines with side material-dropping hole 232, material-dropping hole is not got through along long axis direction, intensity and stability, uniformity and the reliability of punching concave die 230 can be ensure that to the full extent, and side opening perforating die is the specialized designs for the punching of elliptical tube arcwall face mainly, high to the efficiency of elliptical tube arcwall face punching, solve the inefficient problem of Cutter Body Processing with Machining Center.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (3)
1. a vehicular petrol engine low pressure special-shaped main oil pipe side opening perforating die, the counterdie comprising patrix and be oppositely arranged with described patrix, described patrix comprises upper bolster, the drift being arranged on the upper baffle plate below described upper bolster and being arranged on described upper baffle plate, described counterdie comprises die shoe, the punching concave die being arranged on the lower mould bottom plate above described die shoe and being arranged in described lower mould bottom plate, it is characterized in that, the cross section ovalize of described punching concave die, described punching concave die offers a blanking blind hole along on the side arcwall face of long axis direction, described punching concave die offers along short-axis direction the side material-dropping hole that a through described punching concave die is communicated with along the both sides end face of short-axis direction and with the bottom of described blanking blind hole.
2. vehicular petrol engine low pressure as claimed in claim 1 special-shaped main oil pipe side opening perforating die, it is characterized in that, the monolateral wall thickness of front punching concave die of described punching concave die is 0.5mm; Be the oval main oil pipes of 304 stainless steels by the product of described punching concave die punching, the wall thickness of the oval main oil pipes of described 304 stainless steels is 1.2mm, and punching hole diameter is 7.97mm, and minor axis internal diameter is 9mm.
3. vehicular petrol engine low pressure as claimed in claim 1 special-shaped main oil pipe side opening perforating die, it is characterized in that, the position that described upper baffle plate is relative with the arc lower groove of described lower mould bottom plate is provided with a downward opening upper deep-slotted chip breaker, the degree of depth of described arc lower groove is greater than the degree of depth of described upper deep-slotted chip breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410851451.6A CN104624784B (en) | 2014-12-30 | 2014-12-30 | Piercing die for side hole of low-pressure special-shaped main oil pipe of gasoline engine for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410851451.6A CN104624784B (en) | 2014-12-30 | 2014-12-30 | Piercing die for side hole of low-pressure special-shaped main oil pipe of gasoline engine for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104624784A true CN104624784A (en) | 2015-05-20 |
| CN104624784B CN104624784B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410851451.6A Active CN104624784B (en) | 2014-12-30 | 2014-12-30 | Piercing die for side hole of low-pressure special-shaped main oil pipe of gasoline engine for vehicle |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56126037A (en) * | 1980-03-05 | 1981-10-02 | Nagumo Seisakusho:Kk | Method and device for piercing to cylindrical body |
| JP2009050874A (en) * | 2007-08-24 | 2009-03-12 | Mitsuba Corp | Method for producing frame of wiper apparatus |
| CN201516463U (en) * | 2009-10-22 | 2010-06-30 | 王晓军 | Punching apparatus for pipes |
| CN201988618U (en) * | 2010-12-17 | 2011-09-28 | 柳州豫新汽车空调有限公司 | Punching die for vehicle air conditioner fittings |
-
2014
- 2014-12-30 CN CN201410851451.6A patent/CN104624784B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56126037A (en) * | 1980-03-05 | 1981-10-02 | Nagumo Seisakusho:Kk | Method and device for piercing to cylindrical body |
| JP2009050874A (en) * | 2007-08-24 | 2009-03-12 | Mitsuba Corp | Method for producing frame of wiper apparatus |
| CN201516463U (en) * | 2009-10-22 | 2010-06-30 | 王晓军 | Punching apparatus for pipes |
| CN201988618U (en) * | 2010-12-17 | 2011-09-28 | 柳州豫新汽车空调有限公司 | Punching die for vehicle air conditioner fittings |
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| Publication number | Publication date |
|---|---|
| CN104624784B (en) | 2017-01-11 |
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