CN102653010A - Drilling positioning device and drilling positioning method for gas inlet flange of three-mold exhaust manifold - Google Patents

Drilling positioning device and drilling positioning method for gas inlet flange of three-mold exhaust manifold Download PDF

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Publication number
CN102653010A
CN102653010A CN2012101143893A CN201210114389A CN102653010A CN 102653010 A CN102653010 A CN 102653010A CN 2012101143893 A CN2012101143893 A CN 2012101143893A CN 201210114389 A CN201210114389 A CN 201210114389A CN 102653010 A CN102653010 A CN 102653010A
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CN
China
Prior art keywords
exhaust manifold
positioning
inlet flange
drilling
air admission
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Application number
CN2012101143893A
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Chinese (zh)
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CN102653010B (en
Inventor
冯长虹
李振河
王军
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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 CN201210114389.3A priority Critical patent/CN102653010B/en
Publication of CN102653010A publication Critical patent/CN102653010A/en
Application granted granted Critical
Publication of CN102653010B publication Critical patent/CN102653010B/en

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Abstract

The invention discloses a drilling positioning device and a drilling positioning method for a gas inlet flange of a three-mold exhaust manifold. The drilling positioning device comprises a clamp body, a drilling mold hole, a plurality of drilling positioning molds and at least two sets of workpiece clamping mechanisms are arranged on a top plate of the clamp body, and a positioning plane for positioning the reference plane of the exhaust manifold is arranged on a drilling mold plate. The drilling positioning method is as follows: three gas inlet holes of the exhaust manifold are taken as positioning reference, and the three gas inlet holes adopt two-point positioning.. According to the drilling positing device and the drilling positioning method, disclosed by the invention, precise positioning of the gas inlet flange of the exhaust manifold can be realized, drilling quality can be reliably ensured, large-scale production of drilling processing of the gas inlet flanges of the various exhaust manifolds can be realized by the relatively simple positioning device. The drilling positioning device has the advantages of simple structure, low price, convenience in operation and the like.

Description

Triplet 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 triplet 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 simple in structure, cheap triplet exhaust manifold inlet flange boring positioner.

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 triplet exhaust manifold inlet flange boring positioner; Has a clamp body; Drill jig hole, a plurality of boring positioning clamping fixture and at least 2 cover workpiece clamping mechanism are set on the top board of clamp body, are provided for the plane of orientation of exhaust manifold datum level location on the bushing plate.

Said 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 locating detent, said bolt and locating detent respectively with said bushing plate on the through hole that is provided with install and be 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 boring positioning clamping fixture is separately positioned on and exhaust manifold two ends and the middle corresponding position of air flue air admission hole, and wherein the locating detent Y reference axis of the positioning clamping fixture at two ends is to setting, and the locating detent coordinate X axis of middle positioning clamping fixture is provided with.

The quantity of said boring positioning clamping fixture is 3.

The arranged outside inclined-plane of said locating detent.

A kind of exhaust manifold inlet flange drilling and positioning method is that 3 air admission holes with exhaust manifold are positioning reference, and said 3 air admission holes all adopt two point locations.

In 3 air admission holes of said positioning reference, the anchor point of 2 air admission holes is positioned on the Y reference axis of exhaust manifold, and the anchor point of another air admission hole is positioned on the X reference axis of exhaust manifold.

In 3 air admission holes of said positioning reference, two air admission holes are positioned at the end positions of exhaust manifold, and an air admission hole is positioned at the centre position of exhaust manifold.

3 air admission holes of said positioning reference all adopt said positioning clamping fixture to position.

Triplet exhaust manifold inlet flange boring positioner of the present invention and boring method; Two air admission holes with the exhaust manifold two ends are positioning reference with middle air admission hole; Can realize the accurate location of exhaust manifold inlet flange; Guarantee drilling quality reliably, and 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 the circular air flue exhaust manifold of four/six cylinder engine inlet flange.

Description of drawings

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

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

Fig. 3 is the structural representation of triplet exhaust manifold among the present invention.

The specific embodiment

Referring to Fig. 1, Fig. 2, triplet exhaust manifold inlet flange boring positioner of the present invention has a clamp body 1.According to the project organization of exhaust manifold, clamp body 1 top board 2 is provided with the drill jig hole 3 corresponding with the inlet flange connecting through hole.The top board 2 of clamp body 1 is provided with 3 boring positioning clamping fixtures 4 and workpiece clamping mechanism; Wherein 3 positioning clamping fixtures 4 are separately positioned on and exhaust manifold two ends and the middle corresponding position of air flue air inlet; Wherein the locating detent Y of the positioning clamping fixture at two ends axially is provided with; The locating detent X axis of middle positioning clamping fixture is provided with, and is respectively applied for the X axis location and the Y axial location of exhaust manifold air inlet.The upper surface of top board 2 is used for the exhaust manifold positioning reference plane as the plane of orientation 2-1 of exhaust manifold datum level location---the Z axial location of inlet flange end face.

Said positioning clamping fixture 4 has the core carcass 11 of a T shape, and the top of this core carcass 11 is set with gland 12 through centre bolt 10, and core carcass 11 is slidingly matched with gland 12, between gland 12 and the core carcass 11 holddown spring 13 is set.The sidepiece of gland 12 is provided with position-limitting pin 15, and the sidepiece of said core carcass 11 is provided with the limit sliding chutes 14 that cooperates with said position-limitting pin 15, to prevent the rotation of core carcass 11.The bottom of core carcass 11 is provided with two point location pawls 9, is respectively arranged with 3 through holes at the bushing plate 2 of corresponding installing and locating mold 4, and said bolt 10 and locating detent 9 install with through hole that said bushing plate 2 is provided with respectively and be connected.Like this, said positioning clamping fixture 4 is fixedly mounted on the bushing plate 2, and makes said core carcass 11 be in the elastic compression state all the time through bolt 10.Said workpiece clamping mechanism is formed with briquetting 5 by clamping fluid cylinder 7; Wherein, Clamping fluid cylinder 7 is connected with the top board of clamp body 1 through connecting pedestal 6; Briquetting 5 is installed in the flexible end that clamps fluid cylinder 7 through connecting support plate 8, when carrying out inlet flange boring, can exhaust manifold bored be pressed on the clamp body 1 by briquetting 5.The arranged outside inclined-plane of said locating detent 9.Being easy to get into the exhaust manifold air inlet, and under the pressure of said compression spring 13, closely cooperate with the exhaust manifold air inlet.Exhaust manifold inlet flange boring positioner of the present invention is specially adapted to 4 cylinders or 6 Cylinder engine air flues are located for the clamping of circular exhaust manifold inlet flange boring.

In conjunction with Fig. 1, Fig. 2 referring to Fig. 3; Exhaust manifold inlet flange drilling and positioning method of the present invention; Be that two air admission holes with exhaust manifold 16 two ends are positioning reference with a middle air admission hole, three air admission holes all adopt 2: 19,20,22,23,18,21 location.Concrete grammar is: said clamp body 1 is fixed on the workbench of radial drilling machine or machining center; Exhaust manifold 16 inlet flanges 17 end faces that again will be to be holed are adjacent to down on the plane of orientation 2-1 of said bushing plate 2, realize the Z reference axis location of exhaust manifold 16 with this.Simultaneously, the air admission hole that makes exhaust manifold 16 two ends and middle air admission hole respectively with said locating detent 9 corresponding matching, exhaust manifold 16 each inlet flange 17 are accurately located thus.Then, start said clamping fluid cylinder 7, exhaust manifold 16 is compressed, can utilize said drill jig hole 3 to carry out the boring of inlet flange 17 by conventional method through said briquetting 5.

Claims (10)

1. triplet exhaust manifold inlet flange boring positioner; It is characterized in that: it has a clamp body; Drill jig hole, a plurality of boring positioning clamping fixture and at least 2 cover workpiece clamping mechanism are set on the top board of clamp body, are provided for the plane of orientation of exhaust manifold datum level location on the bushing plate.
2. triplet exhaust manifold inlet flange boring positioner as claimed in claim 1; It is characterized in that: said 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 locating detent, said bolt and locating detent respectively with said bushing plate on the through hole that is provided with install and be connected.
3. triplet 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.
4. triplet exhaust manifold inlet flange boring positioner as claimed in claim 1; It is characterized in that: said boring positioning clamping fixture is separately positioned on and exhaust manifold two ends and the middle corresponding position of air flue air admission hole; Wherein the locating detent Y reference axis of the positioning clamping fixture at two ends is to setting, and the locating detent coordinate X axis of middle positioning clamping fixture is provided with.
5. triplet exhaust manifold inlet flange boring positioner as claimed in claim 1, it is characterized in that: the quantity of said boring positioning clamping fixture is 3.
6. triplet exhaust manifold inlet flange boring positioner as claimed in claim 2 is characterized in that: the arranged outside inclined-plane of said locating detent.
7. exhaust manifold inlet flange drilling and positioning method is characterized in that: it is that 3 air admission holes with exhaust manifold are positioning reference, and said 3 air admission holes all adopt two point locations.
8. exhaust manifold inlet flange drilling and positioning method as claimed in claim 7; It is characterized in that: in 3 air admission holes of said positioning reference; The anchor point of 2 air admission holes is positioned on the Y reference axis of exhaust manifold, and the anchor point of another air admission hole is positioned on the X reference axis of exhaust manifold.
9. exhaust manifold inlet flange drilling and positioning method as claimed in claim 7 is characterized in that: in 3 air admission holes of said positioning reference, two air admission holes are positioned at the end positions of exhaust manifold, and an air admission hole is positioned at the centre position of exhaust manifold.
10. exhaust manifold inlet flange drilling and positioning method as claimed in claim 7 is characterized in that: 3 air admission holes of said positioning reference all adopt said positioning clamping fixture to position.
CN201210114389.3A 2012-04-18 2012-04-18 Drilling positioning device and drilling positioning method for gas inlet flange of three-mold exhaust manifold CN102653010B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210114389.3A CN102653010B (en) 2012-04-18 2012-04-18 Drilling positioning device and drilling positioning method for gas inlet flange of three-mold exhaust manifold

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Application Number Priority Date Filing Date Title
CN201210114389.3A CN102653010B (en) 2012-04-18 2012-04-18 Drilling positioning device and drilling positioning method for gas inlet flange of three-mold exhaust manifold

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CN102653010B CN102653010B (en) 2015-04-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104999300A (en) * 2015-07-13 2015-10-28 江苏南铸科技股份有限公司 Tool fixture for drilling and tapping

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US2825249A (en) * 1955-01-17 1958-03-04 Western Electric Co Drill jig for wave guide flanges
CN201736048U (en) * 2010-08-17 2011-02-09 山西晋西压力容器有限责任公司 Mould used for drill holes of brake cylinder front cover and flange plate
CN201744871U (en) * 2010-05-18 2011-02-16 安徽奇祥汽车零部件有限公司 Flange plate processing clamp
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
CN202137614U (en) * 2011-06-24 2012-02-08 湖北君庭汽车零部件有限公司 Exhaust pipe hydraulic clamping device
CN202174377U (en) * 2011-05-16 2012-03-28 佛吉亚(青岛)排气系统有限公司 Conical expandable positioning pin for positioning and welding air inlet flanges of exhaust manifolds
CN202539637U (en) * 2012-04-18 2012-11-21 河南省西峡汽车水泵股份有限公司 Positioning device for drilling of three-mould exhaust manifold air inflow flange

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US2825249A (en) * 1955-01-17 1958-03-04 Western Electric Co Drill jig for wave guide flanges
CN201744871U (en) * 2010-05-18 2011-02-16 安徽奇祥汽车零部件有限公司 Flange plate processing clamp
CN201736048U (en) * 2010-08-17 2011-02-09 山西晋西压力容器有限责任公司 Mould used for drill holes of brake cylinder front cover and flange plate
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
CN202174377U (en) * 2011-05-16 2012-03-28 佛吉亚(青岛)排气系统有限公司 Conical expandable positioning pin for positioning and welding air inlet flanges of exhaust manifolds
CN202137614U (en) * 2011-06-24 2012-02-08 湖北君庭汽车零部件有限公司 Exhaust pipe hydraulic clamping device
CN202539637U (en) * 2012-04-18 2012-11-21 河南省西峡汽车水泵股份有限公司 Positioning device for drilling of three-mould exhaust manifold air inflow flange

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Publication number Priority date Publication date Assignee Title
CN104999300A (en) * 2015-07-13 2015-10-28 江苏南铸科技股份有限公司 Tool fixture for drilling and tapping

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

Patentee after: Feilong Automotive Parts Co., Ltd.

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

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

CP01 Change in the name or title of a patent holder