CN203621231U - Flanging die for air exhaust taper pipe outer shell of automobile engine exhaust system - Google Patents

Flanging die for air exhaust taper pipe outer shell of automobile engine exhaust system Download PDF

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Publication number
CN203621231U
CN203621231U CN201320734360.5U CN201320734360U CN203621231U CN 203621231 U CN203621231 U CN 203621231U CN 201320734360 U CN201320734360 U CN 201320734360U CN 203621231 U CN203621231 U CN 203621231U
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CN
China
Prior art keywords
die
block
combined type
patrix
automobile engine
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.)
Withdrawn - After Issue
Application number
CN201320734360.5U
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Chinese (zh)
Inventor
白瑛
曹一枢
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.)
Wuxi Dawn Die and Stamping Co Ltd
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Wuxi Dawn Die and Stamping 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.)
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Publication date
Application filed by Wuxi Dawn Die and Stamping Co Ltd filed Critical Wuxi Dawn Die and Stamping Co Ltd
Priority to CN201320734360.5U priority Critical patent/CN203621231U/en
Application granted granted Critical
Publication of CN203621231U publication Critical patent/CN203621231U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a flanging die for an air exhaust taper pipe outer shell of an automobile engine exhaust system. The problem that a complex surface can not be machined through a die of a traditional integrated modularized structure can be solved by the flanging die. The flanging die comprises an upper die structure and a lower die structure. The upper die structure comprises an upper die plate. An upper die foot is installed on the upper die plate. The lower die structure comprises a lower die plate. A lower installation plate is installed on the lower die plate through a lower die foot. An independent sliding guide mechanism is installed between the upper die plate and the lower die plate. The upper die structure and the lower die structure are combined through the independent sliding guide mechanism in a guided mode. The flanging die for the air exhaust taper pipe outer shell of the automobile engine exhaust system is characterized in that a combined flanging forming female die is installed on the lower side of the upper die plate, a combined flanging forming male die is installed on the upper side of the lower die plate, and after a workpiece is tightly pressed by the combined flanging forming female die and the combined flanging forming male die, a flanging of the workpiece is formed appropriately.

Description

A kind of flanging die of automobile engine exhaust system air outlet taper pipe shell
Technical field
The utility model relates to the punch process field of automotive engine component, is specially a kind of flanging die of automobile engine exhaust system air outlet taper pipe shell.
Background technology
A kind of automobile engine exhaust system air outlet taper pipe, its structure is shown in Fig. 1, it is applied to automobile engine exhaust system hot junction, when installation, one end is connected with purifier carrier, the other end is connected with the flange that starts pusher side, its parts required precision is high, these parts mostly were stainless steel precision castings in the past, and therefore its processing cost is high and working (machining) efficiency is low.In order to reduce the processing cost of these parts and to improve working (machining) efficiency, now progressively adopt the method for punch process to produce this parts, according to the design feature of these parts, these parts are divided into upper half shell 24 and lower half shell 25 in punch process, the process route of its punch process is for first distinguishing punch forming upper half shell and lower half shell, to after upper half shell and lower half shell amalgamation, be welded into entirety again, see Fig. 2 and Fig. 3, in order to reduce manufacturing procedure, improve working (machining) efficiency, the drawing and forming of upper half shell and lower half shell adopts and connects the method for expecting integrated punching drawing and forming, it first excises the waste material of housing periphery after drawing and forming, to carry out processing to upper overturning to lower half shell part big opening end 27, due to profile complexity after workpiece drawing and forming, adopt in traditional monoblock type, the mould structure of lower module cannot carry out flange processing to this mould.In Fig. 1,26 is the welded seam of upper half shell 24 and lower half shell 25; In Fig. 2 and Fig. 3,28 is the big opening end of upper half shell, 29 is the osculum end of upper half shell, 30 is the big opening end of lower half shell, 31 is the osculum end of lower half shell, when upper half shell 24 and lower half shell 25 amalgamation, the big opening end 28 of upper half shell and the osculum end 29 of big opening end 30 amalgamations of lower half shell, upper half shell and osculum end 31 amalgamations of lower half shell.
Summary of the invention
For the problems referred to above, the utility model provides a kind of flanging die of automobile engine exhaust system air outlet taper pipe shell, and it can solve and adopt traditional integral modular organization mould cannot carry out the problem of Machining Complicated Profile.
Its technical scheme is such, it comprises upper die structure and lower die structure, described upper die structure comprises cope match-plate pattern, patrix pin is installed on described cope match-plate pattern, described lower die structure comprises lower bolster, under described lower bolster, by counterdie pin, lower installation board is installed, independent sliding guide mechanism is installed between described cope match-plate pattern and lower bolster, described upper die structure and lower die structure are by described independent sliding guide mechanism guiding matched moulds, it is characterized in that: combined type flange molding concave die is installed under described cope match-plate pattern, combined type flange forming convax mould is installed on described lower bolster, described combined type flange molding concave die and combined type flange forming convax mould put flange after Work-sheet pressing in place.
It is further characterized in that:
Described combined type flange molding concave die comprises jacking block and patrix, and described upper jacking block is installed under described cope match-plate pattern, and described patrix is installed under described cope match-plate pattern by patrix cushion block, and described patrix is positioned at the horizontal left-hand end of described patrix jacking block;
Described combined type flange forming convax mould comprises lower jacking block and flange moulding counterdie, and described lower jacking block and flange moulding counterdie are all installed on described lower bolster, and described flange moulding counterdie is near the horizontal right-hand end that is installed on described lower jacking block;
Described patrix, upper jacking block coordinate with described lower jacking block profile, for workpiece pressing, described retreading forming counterdie coordinates with described upper jacking block for the moulding of workpiece flange.
It is further characterised in that:
Described combined type flange molding concave die and combined type flange forming convax mould have also been respectively arranged with stop block structure;
The stop block structure of described combined type flange molding concave die comprises block one, upper block two and upper block three, under described cope match-plate pattern, be positioned at longitudinal two side ends of described upper jacking block and laterally right-hand end be separately installed with described upper block one, upper block two and upper block three, described upper block three is vertically tangent with described flange moulding counterdie;
The stop block structure of combined type flange forming convax mould comprises the lower block one being all installed on described lower bolster, lower block two and lower block three, longitudinal two ends of described lower jacking block are separately installed with described lower block three, the horizontal left-hand end of described lower jacking block is provided with described lower block two, and described lower block one is vertically tangent with described patrix;
In the tangent one side of described lower block one and described patrix, described upper block three and the tangent one side of described flange moulding counterdie, be separately installed with block mold insert.
Flanging die of the present utility model, its patrix, upper jacking block by combined type flange molding concave die coordinates Work-sheet pressing with the lower jacking block of combined type flange forming convax mould, upper jacking block coordinates the moulding of workpiece flange is put in place with the flange moulding counterdie of combined type flange forming convax mould, its machining accuracy is high, can guarantee that the processing dimension of workpiece meets the requirements; In addition; combined type flange molding concave die also includes respectively stop block structure with combination flange forming convax mould; in the time of upper die structure and lower die structure matched moulds, stop block structure can play more accurate guide effect; vertically tangent, upper block three is vertically tangent with flange moulding counterdie with patrix particularly to descend block one; can further guarantee that patrix and lower jacking block spacing compression, upper jacking block and the counterdie to workpiece puts in place to the flange moulding of workpiece, guarantees the machining accuracy of workpiece.
Accompanying drawing explanation
The automobile engine exhaust system air outlet taper pipe shell product schematic diagram of Fig. 1 the utility model processing;
Fig. 2 is the structural representation of the upper half shell of the automobile engine exhaust system air outlet taper pipe shell of the utility model processing;
Fig. 3 is the structural representation of the lower half shell of the automobile engine exhaust system air outlet taper pipe shell of the utility model processing;
Fig. 4 is the Workpiece structure schematic diagram after company's material moulding, the trimming of the automobile engine exhaust system air outlet taper pipe shell of the utility model processing processed;
Fig. 5 is the main TV structure schematic diagram of the utility model flanging die;
Fig. 6 is the plan structure schematic diagram of the lower die structure of the utility model flanging die;
Fig. 7 is the top perspective structural representation of the upper die structure of the utility model flanging die.
The specific embodiment
See Fig. 5, Fig. 6 and Fig. 7, it comprises upper die structure and lower die structure the utility model flanging die, upper die structure comprises cope match-plate pattern 1, on 1 cope match-plate pattern, 1 is provided with patrix pin 5, state lower die structure and comprise lower bolster 2, lower bolster is provided with lower installation board 3 by counterdie pin 42 times, independent sliding guide mechanism 6 is installed between cope match-plate pattern 1 and lower bolster 2, upper die structure and lower die structure are by independent sliding guide mechanism 6 matched moulds that leads, cope match-plate pattern is provided with combined type flange molding concave die for 1 time, combined type flange forming convax mould is installed on lower bolster 2, combined type flange molding concave die and combined type flange forming convax mould put flange after Work-sheet pressing in place.
Combined type flange molding concave die comprises jacking block 9 and patrix 8, upper jacking block 9 is installed on cope match-plate pattern 1 time, patrix 8 is installed on cope match-plate pattern 1 time by patrix cushion block 7, and patrix 8 is positioned at the horizontal left-hand end of jacking block 9 and in the big end surface of the upper half shell part of spacing workpiece;
Combined type flange forming convax mould comprises lower jacking block 10 and flange moulding counterdie 11, and lower jacking block 10 is all installed on 2 lower bolsters with flange moulding counterdie 11, and flange moulding counterdie 11 is near the horizontal right-hand end that is installed on lower jacking block 10;
Patrix 8, upper jacking block 9 coordinate with lower jacking block 10 profiles, for workpiece pressing, retreading forming counterdie 11 coordinates with upper jacking block 9 for the moulding of workpiece flange.
Combined type flange molding concave die and combined type flange forming convax mould have also been respectively arranged with stop block structure;
Wherein, the stop block structure of combined type flange molding concave die comprises block 1, upper block 2 17 and upper block 3 18, cope match-plate pattern 1 time, the longitudinal two side ends that is positioned at jacking block 9 and horizontal right-hand end are separately installed with block 1, upper block 2 17 and upper block 3 18, and upper block 3 18 is vertically tangent with flange moulding counterdie 11;
The stop block structure of combined type flange forming convax mould comprises the lower block 1 being all installed on lower bolster 2, lower block 2 14 and lower block 3 15, longitudinal two ends of lower jacking block 10 are separately installed with lower block 3 14, the horizontal left-hand end of lower jacking block 10 is provided with lower block 2 14, and lower block 1 is vertically tangent with patrix 8;
In the one side of the tangent one side of lower block 1 and patrix 8, upper block 3 18 and flange moulding counterdie tangent 11, be separately installed with block mold insert 13.
In Fig. 5,19 is ejector pin, and 20 is nitrogen spring, and 21 is Rectangular Spring, and 22 is upper limit post, and 23 is lower limit post.

Claims (8)

1. the flanging die of an automobile engine exhaust system air outlet taper pipe housing, it comprises upper die structure and lower die structure, described upper die structure comprises cope match-plate pattern, patrix pin is installed on described cope match-plate pattern, described lower die structure comprises lower bolster, under described lower bolster, by counterdie pin, lower installation board is installed, independent sliding guide mechanism is installed between described cope match-plate pattern and lower bolster, described upper die structure and lower die structure are by described independent sliding guide mechanism guiding matched moulds, it is characterized in that: combined type flange molding concave die is installed under described cope match-plate pattern, combined type flange forming convax mould is installed on described lower bolster, described combined type flange molding concave die and combined type flange forming convax mould put flange after Work-sheet pressing in place.
2. the flanging die of a kind of automobile engine exhaust system air outlet taper pipe housing according to claim 1, it is characterized in that: described combined type flange molding concave die comprises jacking block and patrix, described upper jacking block is installed under described cope match-plate pattern, described patrix is installed under described cope match-plate pattern by patrix cushion block, and described patrix is positioned at the horizontal left-hand end of described patrix jacking block.
3. the flanging die of a kind of automobile engine exhaust system air outlet taper pipe housing according to claim 2, it is characterized in that: described combined type flange forming convax mould comprises lower jacking block and flange moulding counterdie, described lower jacking block and flange moulding counterdie are all installed on described lower bolster, and described flange moulding counterdie is near the horizontal right-hand end that is installed on described lower jacking block.
4. the flanging die of a kind of automobile engine exhaust system air outlet taper pipe housing according to claim 3, it is characterized in that: described patrix, upper jacking block coordinate with described lower jacking block profile, for workpiece pressing, described retreading forming counterdie coordinates with described upper jacking block for the moulding of workpiece flange.
5. the flanging die of a kind of automobile engine exhaust system air outlet taper pipe housing according to claim 4, is characterized in that: described combined type flange molding concave die and combined type flange forming convax mould have also been respectively arranged with stop block structure.
6. the flanging die of a kind of automobile engine exhaust system air outlet taper pipe housing according to claim 5, it is characterized in that: the stop block structure of described combined type flange molding concave die comprises block one, upper block two and upper block three, under described cope match-plate pattern, be positioned at longitudinal two side ends of described upper jacking block and laterally right-hand end be separately installed with described upper block one, upper block two and upper block three, described upper block three is vertically tangent with described flange moulding counterdie.
7. the flanging die of a kind of automobile engine exhaust system air outlet taper pipe housing according to claim 6, it is characterized in that: the stop block structure of combined type flange forming convax mould comprises the lower block one being all installed on described lower bolster, lower block two and lower block three, longitudinal two ends of described lower jacking block are separately installed with described lower block three, the horizontal left-hand end of described lower jacking block is provided with described lower block two, and described lower block one is vertically tangent with described patrix.
8. the flanging die of a kind of automobile engine exhaust system air outlet taper pipe housing according to claim 7, is characterized in that: in the tangent one side of described lower block one and described patrix, described upper block three and the tangent one side of described flange moulding counterdie, be separately installed with block mold insert.
CN201320734360.5U 2013-11-20 2013-11-20 Flanging die for air exhaust taper pipe outer shell of automobile engine exhaust system Withdrawn - After Issue CN203621231U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320734360.5U CN203621231U (en) 2013-11-20 2013-11-20 Flanging die for air exhaust taper pipe outer shell of automobile engine exhaust system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320734360.5U CN203621231U (en) 2013-11-20 2013-11-20 Flanging die for air exhaust taper pipe outer shell of automobile engine exhaust system

Publications (1)

Publication Number Publication Date
CN203621231U true CN203621231U (en) 2014-06-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320734360.5U Withdrawn - After Issue CN203621231U (en) 2013-11-20 2013-11-20 Flanging die for air exhaust taper pipe outer shell of automobile engine exhaust system

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103691809B (en) * 2013-11-20 2016-05-18 无锡曙光模具有限公司 The flanging die of automobile engine exhaust system air outlet taper pipe shell
CN111558657A (en) * 2020-05-09 2020-08-21 重庆广合精密机械有限公司 Engine mold

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103691809B (en) * 2013-11-20 2016-05-18 无锡曙光模具有限公司 The flanging die of automobile engine exhaust system air outlet taper pipe shell
CN111558657A (en) * 2020-05-09 2020-08-21 重庆广合精密机械有限公司 Engine mold

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AV01 Patent right actively abandoned

Granted publication date: 20140604

Effective date of abandoning: 20160518

C25 Abandonment of patent right or utility model to avoid double patenting