CN102653009A - Fixed-type exhaust manifold intake flange drilling and positioning device and drilling and positioning method - Google Patents

Fixed-type exhaust manifold intake flange drilling and positioning device and drilling and positioning method Download PDF

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Publication number
CN102653009A
CN102653009A CN2012101143836A CN201210114383A CN102653009A CN 102653009 A CN102653009 A CN 102653009A CN 2012101143836 A CN2012101143836 A CN 2012101143836A CN 201210114383 A CN201210114383 A CN 201210114383A CN 102653009 A CN102653009 A CN 102653009A
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CN
China
Prior art keywords
exhaust manifold
positioning
drilling
hole
inlet flange
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CN2012101143836A
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Chinese (zh)
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CN102653009B (en
Inventor
李振河
陈旭
孙晶
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河南省西峡汽车水泵股份有限公司
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Priority to CN201210114383.6A priority Critical patent/CN102653009B/en
Publication of CN102653009A publication Critical patent/CN102653009A/en
Application granted granted Critical
Publication of CN102653009B publication Critical patent/CN102653009B/en

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Abstract

The invention discloses a fixed-type exhaust manifold intake flange drilling and positioning device and a drilling and positioning method. The drilling and positioning device is provided with a clamp body; the bottom of a top plate of the clamp body is provided with a positioning plane for positioning the reference surface of an exhaust manifold; the top plate is provided with one double-hole positioning mould, two single-hole positioning mould, multiple through holes respectively matched with the double-hole positioning mould and the single-hole positioning mould, and a drilling hole for guiding drill bits; and at least two sets of workpiece clamping mechanisms are arranged below the top plate. As for the drilling and positioning method, two inlet holes of the exhaust manifold are taken as the positioning reference and are positioned by using three points. The drilling and positioning device and method provided by the invention can realize accurate positioning of an exhaust manifold intake flange, ensures the drilling quality reliably and realizes large-scale production of drilling machining of various exhaust manifold intake flanges. The drilling and positioning device has the advantages of simple structure, low manufacturing cost, convenience in operation, and the like.

Description

Fixed exhaust manifold inlet flange boring positioner and drilling and positioning method

Technical field

The invention belongs to the automobile engine production technical field, particularly a kind of fixed exhaust manifold inlet flange boring positioner and drilling and positioning method.

Background technology

Exhaust manifold is the important supporting member of automobile engine exhaust system; Its structure has the air inlet air flue corresponding with the automobile engine cylinder exhaust outlet usually; Its air inlet position is provided with inlet flange, and each inlet flange is connected with engine cylinder-body through connecting bolt; The gas outlet is connected with booster through the flange of giving vent to anger, the external exhaust main of booster.It is with as far as possible little exhaust resistance and noise that the major function of this gas extraction system requires, and waste gas in the cylinder is discharged in the atmosphere through exhaust manifold, exhaust main, catalyst, silencer.Therefore, have the higher body precision except requiring the inner exhaust passage of exhaust manifold, the quality quality that exhaust manifold is connected with engine can influence the performance and the exhaust emission standard of engine too.And; Automobile engine is generally multi-cylinder parallel; Its exhaust manifold promptly have a plurality of inlet flanges respectively with the corresponding connection of each cylinder steam vent of engine; And the accuracy that the exhaust manifold exhaust passage is communicated with the cylinder steam vent depends on the Working position precision of connecting through hole on the exhaust manifold inlet flange fully, and sizable difficulty is brought in the processing of connecting through hole location on the supply and exhaust manifold inlet flange thus.Said connecting through hole traditional processing localization method is employed in the mode of ruling on the platform usually, boring one by one on drilling machine then.This processing positioning method is inefficiency not only, can't adapt to the needs of exhaust manifold large-scale industrial production, and the bore position precision is often because of drill bit swing is difficult to guarantee that error is big, and qualification rate is low.At present, though high efficiency Digit Control Machine Tool or machining center are arranged, this type process equipment not only self costs an arm and a leg, and necessary configuration rates causes increasing of processing cost at tens0000 yuan import laser scanning device.

Summary of the invention

The purpose of this invention is to provide a kind of large-scale production that is applicable to various exhaust manifold inlet flange boring processing; The location is accurate, and drilling quality is reliable, and production efficiency is high; And fixed exhaust manifold inlet flange boring positioner simple in structure, cheap.

Another object of the present invention provides a kind of method that can on various boring machining tools, carry out exhaust manifold inlet flange boring location.

Realize that the technical scheme that the object of the invention is taked is: a kind of fixed exhaust manifold inlet flange boring positioner; Has a clamp body; The top board bottom of clamp body is provided for the plane of orientation of exhaust manifold datum level location; The a plurality of through holes that 1 diplopore positioning clamping fixture, 2 single hole positioning clamping fixtures are set on the top board and cooperate with diplopore positioning clamping fixture, single hole positioning clamping fixture respectively, and be provided with the drill jig hole that is used for the drill bit guiding, the top board below is provided with at least 2 cover workpiece clamping mechanism.

Said diplopore positioning clamping fixture have one long-armed; Long-armed middle part is integrally formed with bearing pin, and two ends are provided with the X axis locating detent, and bearing pin is set with gland through centre bolt; The compression spring is set between gland and the bearing pin; The sidepiece of said bearing pin is provided with axial slide, and the position-limitting pin that the sidepiece setting of gland cooperates with said limit sliding chutes, said centre bolt install with said through hole respectively with the X axis locating detent and be connected.

Said single hole positioning clamping fixture has the core carcass of a T shape; The top of this core carcass is set with gland through centre bolt; Between said gland and the core carcass holddown spring is set, the sidepiece of said core carcass is provided with limit sliding chutes, the position-limitting pin that the sidepiece setting of gland cooperates with said limit sliding chutes; The bottom of said core carcass is provided with Y axial location pawl, and said bolt installs with said through hole respectively with Y axial location pawl and is connected.

Said workpiece clamping mechanism is formed by clamping fluid cylinder and briquetting, wherein, clamps fluid cylinder and is connected with the top board of clamp body through connecting pedestal, and briquetting is installed in the flexible end that clamps fluid cylinder through connecting support plate.

Said X axis locating detent and Y axial location pawl respectively with the air admission hole corresponding matching at exhaust manifold two ends, on X axis locating detent and the Y axial location pawl inclined-plane is set all.

A kind of exhaust manifold inlet flange drilling and positioning method, it is that 2 air admission holes with exhaust manifold are positioning reference, 2 air admission holes all adopt three-point fix.

The anchor point of said three-point fix lays respectively on the X reference axis and Y reference axis of exhaust manifold.

The said two-end part that is positioned at exhaust manifold as two air admission holes of positioning reference.

Said three-point fix adopts said diplopore positioning clamping fixture and 2 single hole positioning clamping fixtures to position.

Fixed exhaust manifold inlet flange boring positioner of the present invention and drilling and positioning method; Two air admission holes with the exhaust manifold two ends are positioning reference; Can realize the accurate location of exhaust manifold inlet flange; Guarantee drilling quality reliably, and on various drilling machines, realize the large-scale production of various exhaust manifold inlet flange boring processing with comparatively simple positioner.Compared with prior art, boring positioner of the present invention has advantages such as simple in structure, cheap, easy to operate.This positioner and boring method are specially adapted to the boring processing of 4 cylinders or the non-circular air flue exhaust manifold of 6 Cylinder engines inlet flange.

Description of drawings

Fig. 1 is the structural representation of fixed exhaust manifold inlet flange boring positioner among the present invention;

Fig. 2 is the structural representation of diplopore positioning clamping fixture among Fig. 1;

Fig. 3 is the structural representation of single hole positioning clamping fixture among Fig. 1;

Fig. 4 is the structural representation of exhaust manifold among the present invention.

The specific embodiment

Referring to Fig. 1, Fig. 2, Fig. 3; Fixed exhaust manifold inlet flange boring positioner of the present invention; Has a clamp body 1; Top board 2 bottoms of clamp body 1 are provided for the plane of orientation 2-1 of exhaust manifold datum level location, are used for the exhaust manifold positioning reference plane---the Z axial location of inlet flange end face.A plurality of through holes that 2 cover single hole positioning clamping fixtures 9, overlap diplopore positioning clamping fixture 8 and cooperate with single hole positioning clamping fixture 9, diplopore positioning clamping fixture 8 respectively are set on the said top board 2, and are provided with the drill jig hole 3 that is used for the drill bit guiding.Top board 2 belows are provided with at least 2 cover workpiece clamping mechanism, are used to treat being fixedly clamped of driller's part.

Said diplopore positioning clamping fixture 8 have one long-armed 11, long-armed 11 middle part is integrally formed with bearing pin 15, two ends are provided with X axis locating detent 10.Bearing pin 15 is set with gland 16 through centre bolt 17; Compression spring 14 is set between gland 16 and the bearing pin 15; The sidepiece of said bearing pin 15 is provided with axial slide 13, the position-limitting pin 12 that the sidepiece setting of gland 16 cooperates with said limit sliding chutes 13, and gland 16 can move up and down with bearing pin 15 relatively; But can not rotate, be positioned at all the time on the axis of exhaust manifold air admission hole to keep two X axis locating detents 10.Said centre bolt 17 and X axis locating detent 10 respectively with said top board 2 on through hole install and be connected, and X axis positioning clamping fixture 8 is fixedly connected on the top board 2 through centre bolt 17.Two X axis locating detents 10 stretch out outside the top board 2, and respectively with the air admission hole corresponding matching at exhaust manifold two ends, be used for the X coordinate axial location of exhaust manifold air admission hole.

Said single hole positioning clamping fixture 9 has the core carcass 20 of a T shape, and the top of this core carcass 20 is set with gland 21 through centre bolt 19, and core carcass 20 is slidingly matched with gland 21, between gland 21 and the core carcass 20 holddown spring 22 is set.The sidepiece of said core carcass 20 is provided with limit sliding chutes 23, and the sidepiece setting of gland 21 and the position-limitting pin 24 that said limit sliding chutes 23 cooperates are used to prevent the rotation of core carcass 20, and the bottom of core carcass 20 is provided with Y axial location pawl 18.Said bolt 19 installs with the through hole of said top board 2 respectively with Y axial location pawl 18 and is connected, and through bolt 19 said positioning clamping fixture 9 is fixedly mounted on the top board 2, and makes said core carcass 20 be in the elastic compression state all the time.The Y axial location pawl 18 of two cover Y axial location molds stretches out outside the top board 2, and cooperates with the air admission hole at exhaust manifold two ends respectively, is used for the Y coordinate axial location of exhaust manifold air admission hole.

The arranged outside inclined-plane of said X axis locating detent 10 and Y axial location pawl 18 being easy to get into the exhaust manifold air inlet, and closely cooperates with the exhaust manifold air inlet.

Said workpiece clamping mechanism be used to wait the to hole clamping of exhaust manifold is fixed; It is formed with briquetting 4 by clamping fluid cylinder 6; Wherein, clamp fluid cylinder 6 and be connected with the top board of clamp body 1 through connecting pedestal 7, briquetting 4 is installed in the flexible end that clamps fluid cylinder 6 through connecting support plate 5.

Referring to Fig. 4, the present invention is at exhaust manifold inlet flange drilling and positioning method in conjunction with Fig. 1, Fig. 2, Fig. 3, is that 2 air admission holes with exhaust manifold 25 are positioning reference, and 2 air admission holes adopt 3: 27,28,29 and 30,31,32 location respectively.Concrete grammar is: said clamp body 1 is fixed on the workbench of radial drilling machine or machining center, and inlet flange 26 end faces of exhaust manifold 25 that again will be to be holed are adjacent to up on said plane of orientation, realize the Z reference axis location of exhaust manifold 25 with this.Simultaneously; The air inlet that makes exhaust manifold 25 two ends cooperates with said X axis locating detent 10, Y axial location pawl 18 respectively; 6 anchor points 27,28,29 and 30,31,32 lay respectively on the X reference axis and Y reference axis of exhaust manifold, and each inlet flange 26 of exhaust manifold 25 is accurately located thus.Then, start said clamping fluid cylinder 6, exhaust manifold 25 is compressed, can on various drilling machines, utilize said drill jig hole 3 to carry out the boring of inlet flange 26 by conventional method through said briquetting 4.

Claims (9)

1. fixed exhaust manifold inlet flange boring positioner; It is characterized in that: it has a clamp body; The top board bottom of clamp body is provided for the plane of orientation of exhaust manifold datum level location; The a plurality of through holes that 1 diplopore positioning clamping fixture, 2 single hole positioning clamping fixtures are set on the top board and cooperate with diplopore positioning clamping fixture, single hole positioning clamping fixture respectively, and be provided with the drill jig hole that is used for the drill bit guiding, the top board below is provided with at least 2 cover workpiece clamping mechanism.
2. fixed exhaust manifold inlet flange boring positioner as claimed in claim 1; It is characterized in that: said diplopore positioning clamping fixture have one long-armed; Long-armed middle part is integrally formed with bearing pin, and two ends are provided with the X axis locating detent, and bearing pin is set with gland through centre bolt; The compression spring is set between gland and the bearing pin; The sidepiece of said bearing pin is provided with axial slide, and the position-limitting pin that the sidepiece setting of gland cooperates with said limit sliding chutes, said centre bolt install with said through hole respectively with the X axis locating detent and be connected.
3. fixed exhaust manifold inlet flange boring positioner as claimed in claim 1; It is characterized in that: said single hole positioning clamping fixture has the core carcass of a T shape; The top of this core carcass is set with gland through centre bolt; Between said gland and the core carcass holddown spring is set, the sidepiece of said core carcass is provided with limit sliding chutes, the position-limitting pin that the sidepiece setting of gland cooperates with said limit sliding chutes; The bottom of said core carcass is provided with Y axial location pawl, and said bolt installs with said through hole respectively with Y axial location pawl and is connected.
4. fixed exhaust manifold inlet flange boring positioner as claimed in claim 1; It is characterized in that: said workpiece clamping mechanism is formed by clamping fluid cylinder and briquetting; Wherein, Clamp fluid cylinder and be connected with the top board of clamp body through connecting pedestal, briquetting is installed in the flexible end that clamps fluid cylinder through connecting support plate.
5. like claim 2 or 3 described fixed exhaust manifold inlet flange boring positioners; It is characterized in that: said X axis locating detent and Y axial location pawl respectively with the air admission hole corresponding matching at exhaust manifold two ends, on X axis locating detent and the Y axial location pawl inclined-plane is set all.
6. exhaust manifold inlet flange drilling and positioning method is characterized in that: it is that 2 air admission holes with exhaust manifold are positioning reference, and 2 air admission holes all adopt three-point fix.
7. exhaust manifold inlet flange drilling and positioning method as claimed in claim 6 is characterized in that: the anchor point of said three-point fix lays respectively on the X reference axis and Y reference axis of exhaust manifold.
8. exhaust manifold inlet flange drilling and positioning method as claimed in claim 6 is characterized in that: the said two-end part that is positioned at exhaust manifold as two air admission holes of positioning reference.
9. exhaust manifold inlet flange drilling and positioning method as claimed in claim 6 is characterized in that: said three-point fix adopts said diplopore positioning clamping fixture and 2 single hole positioning clamping fixtures to position.
CN201210114383.6A 2012-04-18 2012-04-18 Fixed-type exhaust manifold intake flange drilling and positioning device and drilling and positioning method CN102653009B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210114383.6A CN102653009B (en) 2012-04-18 2012-04-18 Fixed-type exhaust manifold intake flange drilling and positioning device and drilling and positioning method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210114383.6A CN102653009B (en) 2012-04-18 2012-04-18 Fixed-type exhaust manifold intake flange drilling and positioning device and drilling and positioning method

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CN102653009B CN102653009B (en) 2014-12-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103537715A (en) * 2013-09-18 2014-01-29 宁夏宝塔石化科技实业发展有限公司 Movable flange end face machining machine

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US6993839B2 (en) * 2002-07-15 2006-02-07 Omni Integrated Technologies, Inc. Method for machining a stainless steel exhaust manifold for a multi-cylinder combustion engine
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CN102649171A (en) * 2012-04-18 2012-08-29 河南省西峡汽车水泵股份有限公司 Adjustable drill hole positioning device and drill hole positioning method for air inlet flange of exhaust manifold
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103537715A (en) * 2013-09-18 2014-01-29 宁夏宝塔石化科技实业发展有限公司 Movable flange end face machining machine
CN103537715B (en) * 2013-09-18 2017-02-01 宁夏宝塔石化科技实业发展有限公司 Movable flange end face machining machine

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Effective date of registration: 20151216

Address after: 474550 Industrial Zone, East Ring Road, Xixia County, Nanyang, Henan

Patentee after: Xixia Automobile Water Pump Co., Ltd., Henan Prov.

Patentee after: Xishan Xibeng Special Founding Co., Ltd.

Address before: 474500 Industrial Zone, East Ring Road, Xixia County, Henan, Nanyang

Patentee before: Xixia Automobile Water Pump Co., Ltd., Henan Prov.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20190703

Address after: 474500 Donghuan Road Industrial Park, Xixia County, Nanyang City, Henan Province

Patentee after: Feilong Automotive Parts Co., Ltd.

Address before: 474550 East Ring Road Industrial Zone, Xixia County, Nanyang City, Henan Province

Co-patentee before: Xishan Xibeng Special Founding Co., Ltd.

Patentee before: Xixia Automobile Water Pump Co., Ltd., Henan Prov.