CN102653009B - 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
CN102653009B
CN102653009B CN201210114383.6A CN201210114383A CN102653009B CN 102653009 B CN102653009 B CN 102653009B CN 201210114383 A CN201210114383 A CN 201210114383A CN 102653009 B CN102653009 B CN 102653009B
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CN
China
Prior art keywords
positioning
exhaust manifold
hole
drilling
locating detent
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CN201210114383.6A
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Chinese (zh)
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CN102653009A (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
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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 drilling-hole positioning device and drilling and positioning method

Technical field

The invention belongs to automobile engine production technical field, particularly a kind of fixed exhaust manifold inlet flange drilling-hole positioning device 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 automobile engine cylinder exhaust outlet conventionally, its air inlet position is provided with inlet flange, and each inlet flange is connected with engine cylinder-body by connecting bolt; Gas outlet is connected with booster by 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 cylinder is discharged in atmosphere by exhaust manifold, exhaust main, catalyst, silencer.Therefore,, except requiring the exhaust passage of exhaust manifold inside to have higher body precision, the quality that exhaust manifold is connected with engine can affect performance and the exhaust emission standard of engine too.And, automobile engine is generally multi-cylinder parallel, its exhaust manifold have a plurality of inlet flanges respectively with the corresponding connection of each cylinder steam vent of engine, and the accuracy that exhaust manifold exhaust passage is communicated with cylinder steam vent depends on the Working position precision of connecting through hole on exhaust manifold inlet flange completely, on supply and exhaust manifold inlet flange, sizable difficulty is brought in the processing of connecting through hole location thus.The processing positioning method that described connecting through hole is traditional, adopts the mode of ruling on platform conventionally, then boring one by one on drilling machine.This processing positioning method is inefficiency not only, cannot adapt to the needs of exhaust manifold large-scale industrial production, and bore position precision is often difficult to guarantee because drill bit swings, and error is large, and qualification rate is low.At present, though have high efficiency Digit Control Machine Tool or machining center, not only self is expensive for this class process equipment, and must configuration rates at the import laser scanning device of tens0000 yuan, cause increasing of processing cost.

Summary of the invention

The object of this invention is to provide a kind of large-scale production that is applicable to various exhaust manifold inlet flange Drilling operations; registration, drilling quality is reliable, and production efficiency is high; and fixed exhaust manifold inlet flange drilling-hole positioning device simple in structure, cheap.

Another object of the present invention is to provide a kind of method that can carry out exhaust manifold inlet flange boring location on various drilling processing machine tools.

Realizing the technical scheme that object of the present invention takes is: a kind of fixed exhaust manifold inlet flange drilling-hole positioning device, there is a clamp body, the top board bottom of clamp body is provided for the plane of orientation of exhaust manifold datum level location, a plurality of through holes that 1 diplopore positioning clamping fixture, 2 single hole positioning clamping fixtures are set on top board and coordinate with diplopore positioning clamping fixture, single hole positioning clamping fixture respectively, and being provided with the drill jig hole for drill bit guiding, top board below arranges at least 2 cover workpiece clamping mechanism.

Described diplopore positioning clamping fixture have one long-armed, long-armed middle part is integrally formed with bearing pin, two ends are provided with X axis locating detent, bearing pin is set with gland by centre bolt, between gland and bearing pin, Compress Spring is set, the sidepiece of described bearing pin is provided with limit sliding chutes vertically, the position-limitting pin that the sidepiece setting of gland coordinates with described limit sliding chutes, and described centre bolt installs and is connected with described through hole respectively with X axis locating detent.

Described single hole positioning clamping fixture has the core carcass of a T shape, the top of this core carcass is set with gland by centre bolt, between described gland and core carcass, holddown spring is set, the sidepiece of described core carcass is provided with limit sliding chutes, the position-limitting pin that the sidepiece setting of gland coordinates with described limit sliding chutes, the bottom of described core carcass is provided with Y-axis locating detent, and described bolt installs and is connected with described through hole respectively with Y-axis locating detent.

Described workpiece clamping mechanism, by clamping fluid cylinder and briquetting forms, wherein, clamps fluid cylinder and is connected with the top board of clamp body by connecting pedestal, and briquetting is arranged on the telescopic end of clamping fluid cylinder by connecting support plate.

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

An exhaust manifold inlet flange drilling and positioning method, it is that to take 2 air admission holes of exhaust manifold be positioning datum, 2 air admission holes all adopt three-point fix.

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

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

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

Fixed exhaust manifold inlet flange drilling-hole positioning device of the present invention and drilling and positioning method; two air admission holes at exhaust manifold two ends of take are positioning datum; can realize the accurate location of exhaust manifold inlet flange; guarantee reliably drilling quality, and with comparatively simple positioner, on various drilling machines, realize the large-scale production of various exhaust manifold inlet flange Drilling operations.The advantages such as compared with prior art, drilling-hole positioning device of the present invention has simple in structure, cheap, easy to operate.This positioner and boring method are specially adapted to the Drilling operation of 4 cylinders or the non-circular air flue exhaust manifold of 6 Cylinder engines inlet flange.

Accompanying drawing explanation

Fig. 1 is the structural representation of fixed exhaust manifold inlet flange drilling-hole positioning device in the present invention;

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

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

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

The specific embodiment

Referring to Fig. 1, Fig. 2, Fig. 3, fixed exhaust manifold inlet flange drilling-hole positioning device of the present invention, there is 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, for exhaust manifold positioning reference plane---and the Z-axis direction location of inlet flange end face.A plurality of through holes that 2 cover single hole positioning clamping fixtures 9, a set of diplopore positioning clamping fixture 8 are set on described top board 2 and coordinate with single hole positioning clamping fixture 9, diplopore positioning clamping fixture 8 respectively, and be provided with the drill jig hole 3 for drill bit guiding.Top board 2 belows arrange at least 2 cover workpiece clamping mechanism, for treating being fixedly clamped of drill workpiece.

Described 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 by centre bolt 17, between gland 16 and bearing pin 15, Compress Spring 14 is set, the sidepiece of described bearing pin 15 is provided with limit sliding chutes 13 vertically, the position-limitting pin 12 that the sidepiece setting of gland 16 coordinates with described limit sliding chutes 13, gland 16 can move up and down relatively with bearing pin 15, but can not rotate, to keep two X axis locating detents 10 to be positioned at all the time on the axis of exhaust manifold air admission hole.Described centre bolt 17 and X axis locating detent 10 install and are connected with through hole on described top board 2 respectively, and by centre bolt 17, X axis positioning clamping fixture 8 are fixedly connected on top board 2.Two X axis locating detents 10 stretch out outside top board 2, and respectively with the air admission hole corresponding matching at exhaust manifold two ends, for the X coordinate axial location of exhaust manifold air admission hole.

Described 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 by centre bolt 19, and core carcass 20 is slidably matched with gland 21, between gland 21 and core carcass 20, holddown spring 22 is set.The sidepiece of described core carcass 20 is provided with limit sliding chutes 23, the position-limitting pin 24 that the sidepiece setting of gland 21 coordinates with described limit sliding chutes 23, and for preventing the rotation of core carcass 20, the bottom of core carcass 20 is provided with Y-axis locating detent 18.Described bolt 19 installs and is connected with the through hole of described top board 2 respectively with Y-axis locating detent 18, by bolt 19, described positioning clamping fixture 9 is fixedly mounted on top board 2, and makes described core carcass 20 all the time in elastic compression state.The Y-axis locating detent 18 of two cover Y-axis positioning clamping fixtures stretches out outside top board 2, and coordinates with the air admission hole at exhaust manifold two ends respectively, for the Y coordinate axial location of exhaust manifold air admission hole.

The arranged outside inclined-plane of described X axis locating detent 10 and Y-axis locating detent 18, to be easy to enter exhaust manifold air inlet, and closely cooperates with exhaust manifold air inlet.

Described workpiece clamping mechanism is fixed for the clamping of exhaust manifold to be holed, it forms by clamping fluid cylinder 6 and briquetting 4, wherein, clamp fluid cylinder 6 and be connected with the top board of clamp body 1 by connecting pedestal 7, briquetting 4 is arranged on by connecting support plate 5 telescopic end that clamps fluid cylinder 6.

In conjunction with Fig. 1, Fig. 2, Fig. 3, referring to Fig. 4, the present invention is at exhaust manifold inlet flange drilling and positioning method, is that to take 2 air admission holes of exhaust manifold 25 be positioning datum, and 2 air admission holes adopt respectively 3: 27,28,29 and 30,31,32 location.Concrete grammar is: described clamp body 1 is fixed on the workbench of radial drilling machine or machining center, then the inlet flange of exhaust manifold to be holed 25 26 end faces are adjacent to upward on described plane of orientation, with this, realize the Z reference axis location of exhaust manifold 25.Simultaneously, the air inlet at exhaust manifold 25 two ends is coordinated with described X axis locating detent 10, Y-axis locating detent 18 respectively, 6 anchor points 27,28,29 and 30,31,32 lay respectively in 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 described clamping fluid cylinder 6, by described briquetting 4, exhaust manifold 25 is compressed, can on various drilling machines, utilize according to a conventional method described drill jig hole 3 to carry out the boring of inlet flange 26.

Claims (7)

1. a fixed exhaust manifold inlet flange drilling-hole positioning device, 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, a plurality of through holes that 1 diplopore positioning clamping fixture, 2 single hole positioning clamping fixtures are set on top board and coordinate with diplopore positioning clamping fixture, single hole positioning clamping fixture respectively, and being provided with the drill jig hole for drill bit guiding, top board below arranges at least 2 cover workpiece clamping mechanism; Described diplopore positioning clamping fixture have one long-armed, long-armed middle part is integrally formed with bearing pin, two ends are provided with X axis locating detent, bearing pin is set with gland by centre bolt, between gland and bearing pin, Compress Spring is set, the sidepiece of described bearing pin is provided with limit sliding chutes vertically, the position-limitting pin that the sidepiece setting of gland coordinates with described limit sliding chutes, and described centre bolt installs and is connected with described through hole respectively with X axis locating detent; Described single hole positioning clamping fixture has the core carcass of a T shape, the top of this core carcass is set with gland by centre bolt, between described gland and core carcass, holddown spring is set, the sidepiece of described core carcass is provided with limit sliding chutes, the position-limitting pin that the sidepiece setting of gland coordinates with described limit sliding chutes, the bottom of described core carcass is provided with Y-axis locating detent, and described bolt installs and is connected with described through hole respectively with Y-axis locating detent.
2. fixed exhaust manifold inlet flange drilling-hole positioning device as claimed in claim 1, it is characterized in that: described workpiece clamping mechanism is by clamping fluid cylinder and briquetting forms, wherein, clamp fluid cylinder and be connected with the top board of clamp body by connecting pedestal, briquetting is arranged on by connecting support plate the telescopic end that clamps fluid cylinder.
3. fixed exhaust manifold inlet flange drilling-hole positioning device as claimed in claim 1, it is characterized in that: described X axis locating detent and Y-axis locating detent respectively with the air admission hole corresponding matching at exhaust manifold two ends, on X axis locating detent and Y-axis locating detent, inclined-plane is all set.
4. in an employing claim 1-3, described in any one, fixed exhaust manifold inlet flange drilling-hole positioning device carries out the method that the boring of exhaust manifold inlet flange is located, it is characterized in that: it is that to utilize described X axis locating detent and Y-axis locating detent to take 2 air admission holes of exhaust manifold be positioning datum, and 2 air admission holes all adopt three-point fix.
5. exhaust manifold inlet flange drilling and positioning method as claimed in claim 4, is characterized in that: the anchor point of described three-point fix lays respectively in the X reference axis and Y reference axis of exhaust manifold.
6. exhaust manifold inlet flange drilling and positioning method as claimed in claim 4, is characterized in that: the described two-end part that is positioned at exhaust manifold as two air admission holes of positioning datum.
7. the exhaust manifold inlet flange drilling and positioning method as described in claim 4 or 5, is characterized in that: described three-point fix adopts 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)

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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 true CN102653009B (en) 2014-12-03

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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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
CN201010328Y (en) * 2006-12-31 2008-01-23 王树生 Locator
CN101337289A (en) * 2007-07-16 2009-01-07 浙江盾安华强机械有限公司 Quick-mounting slant-hole drilling jig
CN201744711U (en) * 2010-01-20 2011-02-16 江西铜业股份有限公司 Pressure jig positioning pin
CN201880966U (en) * 2010-11-11 2011-06-29 河南森茂机械有限公司 Movable drilling jig device
CN202062103U (en) * 2010-11-23 2011-12-07 河南飞龙(芜湖)汽车零部件有限公司 Large face drilling clamp for exhaust pipe
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
CN202556109U (en) * 2012-04-18 2012-11-28 河南省西峡汽车水泵股份有限公司 Drill hole positioning device of gas inlet flange of exhaust manifold

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN201010328Y (en) * 2006-12-31 2008-01-23 王树生 Locator
CN101337289A (en) * 2007-07-16 2009-01-07 浙江盾安华强机械有限公司 Quick-mounting slant-hole drilling jig
CN201744711U (en) * 2010-01-20 2011-02-16 江西铜业股份有限公司 Pressure jig positioning pin
CN201880966U (en) * 2010-11-11 2011-06-29 河南森茂机械有限公司 Movable drilling jig device
CN202062103U (en) * 2010-11-23 2011-12-07 河南飞龙(芜湖)汽车零部件有限公司 Large face drilling clamp for exhaust pipe
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
CN202556109U (en) * 2012-04-18 2012-11-28 河南省西峡汽车水泵股份有限公司 Drill hole positioning device of gas inlet flange of exhaust manifold

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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.

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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.

TR01 Transfer of patent right