CN202639927U - Adjustable boring positioning device for exhaust manifold inlet flange - Google Patents
Adjustable boring positioning device for exhaust manifold inlet flange Download PDFInfo
- Publication number
- CN202639927U CN202639927U CN 201220165348 CN201220165348U CN202639927U CN 202639927 U CN202639927 U CN 202639927U CN 201220165348 CN201220165348 CN 201220165348 CN 201220165348 U CN201220165348 U CN 201220165348U CN 202639927 U CN202639927 U CN 202639927U
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- China
- Prior art keywords
- exhaust manifold
- hole
- inlet flange
- positioning device
- manifold inlet
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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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses an adjustable boring positioning device for an exhaust manifold inlet flange. The adjustable boring 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 a reference plane of an exhaust manifold; the top plate is provided with a double-hole positioning jig, a single-hole positioning jig and a plurality of through holes respectively matched with the double-hole positioning jig and the single-hole positioning jig, and top plate is also provided with a drill jig hole for guiding a drill bit; and at least two sets of workpiece clamping mechanisms are arranged below the top plate. The boring positioning device can realize the precise positioning of the exhaust manifold inlet flange, reliably guarantees the bored hole quality, and can realize the large-scale production of bored holes of various exhaust manifold inlet flanges; and the boring positioning device has simple structure, and is low in manufacture cost and is convenient to operate.
Description
Technical field
The utility model belongs to the automobile engine production technical field, particularly a kind of adjustable exhaust manifold inlet flange drilling-hole positioning device.
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 by connecting bolt; The 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 the cylinder is discharged in the atmosphere by exhaust manifold, exhaust main, catalyst, silencer.Therefore, except the exhaust passage that requires exhaust manifold inside had 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 namely 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.The processing positioning method that described connecting through hole is traditional adopts the mode of ruling at platform usually, then one by one boring on drilling machine.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 often is difficult to guarantee that error is large that because drill bit swings qualification rate is low.At present, though high efficiency Digit Control Machine Tool or machining center are arranged, not only self is expensive for this class process equipment, and must configuration rates at tens0000 yuan import laser scanning device, cause increasing of processing cost.
The utility model content
The purpose of this utility model provides 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 adjustable exhaust manifold inlet flange drilling-hole positioning device simple in structure, cheap.
Realize that the technical scheme that the purpose of this utility model is taked is: a kind of adjustable exhaust manifold inlet flange drilling-hole positioning device, 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 diplopore positioning clamping fixture, single hole positioning clamping fixture are set on the top board and cooperate with diplopore positioning clamping fixture, single hole positioning clamping fixture respectively, and being provided with the drill jig hole of leading for drill bit, the top board below arranges at least 2 cover workpiece clamping mechanism.
Described diplopore positioning clamping fixture has 2 symmetrically arranged L shaped cantilevers, one end of L shaped cantilever arranges the X axis locating detent, the other end is connected with push rod, this pushing rod sleeve is equipped with line slide rail, elastic gap breathing mechanism is set between two push rods, line slide rail is fixedly connected with described clamp body, and described X axis locating detent installs with through hole on the described top board and is connected.
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 the 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 cooperates with described limit sliding chutes, the bottom of described core carcass is provided with two point location pawls, described bolt and Y-axis locating detent respectively with described spitting drill template on through hole install and be connected.
Described workpiece clamping mechanism forms by clamping fluid cylinder and briquetting, wherein, clamps fluid cylinder and is connected with the top board of clamp body by connecting pedestal, and briquetting is installed in the telescopic end that clamps fluid cylinder by connecting support plate.
Described elastic gap breathing mechanism comprises cover for seat and bearing pin, and wherein, bearing pin installs with cover for seat and is connected, and its front end setting cooperates the voussoir that touches with described push rod, between rear end and the described cover for seat Compress Spring is set.
The arranged outside inclined-plane of described X axis locating detent and Y-axis locating detent.
Adjustable exhaust manifold inlet flange drilling-hole positioning device of the present utility model; take two air admission holes at exhaust manifold two ends as positioning datum; can realize the accurate location of exhaust manifold inlet flange; guarantee reliably drilling quality, and realize the large-scale production of various exhaust manifold inlet flange Drilling operations with comparatively simple positioner.The advantages such as compared with prior art, drilling-hole positioning device of the present utility model has simple in structure, and is cheap, easy to operate.This positioner is specially adapted to the Drilling operation 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 adjustable exhaust manifold inlet flange drilling-hole positioning device in the utility model;
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.
The specific embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, adjustable exhaust manifold inlet flange drilling-hole positioning device of the present utility model, has a clamp body 1, clamp body 1 is provided for the plane of orientation 2-1 of exhaust manifold datum level location in top board 2 bottoms, be used for the exhaust manifold positioning reference plane---the Z-axis direction location of inlet flange end face.The through hole that 2 cover single hole positioning clamping fixtures 8, a cover diplopore positioning clamping fixture 9 is set on the described top board 2 and cooperates with single hole positioning clamping fixture 8, diplopore positioning clamping fixture 9 respectively, and be provided with the drill jig hole 3 of leading for drill bit.Spitting drill template 2 belows arrange at least 2 cover workpiece clamping mechanism, are used for treating being fixedly clamped of drill workpiece.
Described diplopore positioning clamping fixture 9 is used for the X axis location of exhaust manifold to be holed, and it has 2 L shaped cantilevers 10, and an end of L shaped cantilever 10 arranges X axis locating detent 14, and the other end is connected with push rod 11, and this push rod 11 is set with line slide rail 12.Described line slide rail 12 is the seat cover type structure, and is slidingly matched with push rod 11, and push rod 11 both can be along the line slide rail linear slide, can freely rotate in that line slide rail sliding 12 is interior again, makes things convenient for X axis locating detent 14 to lift and fall.The position is provided with elastic gap breathing mechanism between two push rods 11.Described elastic gap breathing mechanism comprises cover for seat 15 and bearing pin 17, and wherein, bearing pin 17 installs with cover for seat and is connected, and its front end setting cooperates the voussoir 13 that touches with described push rod 11, regulates gap between two push rods by moving forward and backward of voussoir 13.Between the rear end of bearing pin 17 and the described end cap 15 Compress Spring 16 is set, makes voussoir 13 be in all the time the elastic compression state.Described single hole positioning clamping fixture 8 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 slidingly matched with gland 21, between gland 21 and the core carcass 20 holddown spring 22 is set.The sidepiece of gland 21 arranges position-limitting pin 24, and the sidepiece of described core carcass 20 is provided with the limit sliding chutes 23 that cooperates with described position-limitting pin 24, is used for preventing the rotation of core carcass 20.The bottom of core carcass 20 is provided with two point location pawls 18, and the spitting drill template 2 that positioning clamping fixture 8 is installed in correspondence is respectively arranged with 3 through holes, and described bolt 19 installs with the through hole of described spitting drill template 2 respectively with locating detent 18 and is connected.Like this, by bolt 19 described positioning clamping fixture 8 is fixedly mounted on the spitting drill template 2, and makes described core carcass 20 be in all the time the elastic compression state.The arranged outside inclined-plane of described X axis locating detent 14 and Y-axis locating detent 18 being easy to enter the exhaust manifold air inlet, and closely cooperates with the exhaust manifold air inlet.Described workpiece clamping mechanism forms by clamping fluid cylinder 6 and briquetting 4, wherein, clamps fluid cylinder 6 and is connected with the top board of clamp body 1 by connecting pedestal 7, and briquetting 4 is installed in the telescopic end that clamps fluid cylinder 6 by connecting support plate 5.
The utility model is that 2 air admission holes of exhaust manifold are positioning datum in use, and described air admission hole adopts three-point fix.Concrete grammar is: described clamp body is fixed on the workbench of radial drilling machine or machining center, exhaust manifold inlet flange end face that again will be to be holed is adjacent to up on described plane of orientation, realizes the Z reference axis location of exhaust manifold with this.Simultaneously, the air admission hole at exhaust manifold two ends is cooperated with described X axis locating detent and Y-axis locating detent respectively, and the Y-axis locating detent is positioned on the Y reference axis of exhaust manifold; The X axis locating detent closely cooperates with the air admission hole at exhaust manifold two ends under the thrust of described elastic gap breathing mechanism, and each inlet flange of exhaust manifold is accurately located.Then, start described clamping fluid cylinder, by described briquetting exhaust manifold is compressed, just can utilize according to a conventional method described drill jig hole to carry out the boring of inlet flange.
Claims (5)
1. adjustable 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, the a plurality of through holes that diplopore positioning clamping fixture, single hole positioning clamping fixture are set on the top board and cooperate with diplopore positioning clamping fixture, single hole positioning clamping fixture respectively, and being provided with the drill jig hole of leading for drill bit, the top board below arranges at least 2 cover workpiece clamping mechanism.
2. adjustable exhaust manifold inlet flange drilling-hole positioning device as claimed in claim 1, it is characterized in that: described diplopore positioning clamping fixture has 2 symmetrically arranged L shaped cantilevers, one end of L shaped cantilever arranges the X axis locating detent, the other end is connected with push rod, this pushing rod sleeve is equipped with line slide rail, elastic gap breathing mechanism is set between two push rods, and line slide rail is fixedly connected with described clamp body, and described X axis locating detent installs with through hole on the described top board and is connected.
3. adjustable exhaust manifold inlet flange drilling-hole positioning device as claimed in claim 1, it is characterized in that: 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 the 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 cooperates with described limit sliding chutes, the bottom of described core carcass is provided with two point location pawls, described bolt and Y-axis locating detent respectively with described spitting drill template on through hole install and be connected.
4. adjustable exhaust manifold inlet flange drilling-hole positioning device as claimed in claim 1, it is characterized in that: described workpiece clamping mechanism forms by clamping fluid cylinder and briquetting, wherein, clamp fluid cylinder and be connected with the top board of clamp body by connecting pedestal, briquetting is installed in the telescopic end that clamps fluid cylinder by connecting support plate.
5. adjustable exhaust manifold inlet flange drilling-hole positioning device as claimed in claim 2, it is characterized in that: described elastic gap breathing mechanism comprises cover for seat and bearing pin, wherein, bearing pin installs with cover for seat and is connected, its front end setting cooperates the voussoir that touches with described push rod, between rear end and the described cover for seat Compress Spring is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220165348 CN202639927U (en) | 2012-04-18 | 2012-04-18 | Adjustable boring positioning device for exhaust manifold inlet flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220165348 CN202639927U (en) | 2012-04-18 | 2012-04-18 | Adjustable boring positioning device for exhaust manifold inlet flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202639927U true CN202639927U (en) | 2013-01-02 |
Family
ID=47409097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220165348 Withdrawn - After Issue CN202639927U (en) | 2012-04-18 | 2012-04-18 | Adjustable boring positioning device for exhaust manifold inlet flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202639927U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105252296A (en) * | 2015-10-15 | 2016-01-20 | 重庆民发汽车配件有限责任公司 | Drilling tool of exhaust manifold |
| CN110561166A (en) * | 2019-09-16 | 2019-12-13 | 邹娥贞 | surface tapping machine for circular steel pipe and tapping method thereof |
-
2012
- 2012-04-18 CN CN 201220165348 patent/CN202639927U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102649171B (en) * | 2012-04-18 | 2014-01-15 | 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 |
| CN105252296A (en) * | 2015-10-15 | 2016-01-20 | 重庆民发汽车配件有限责任公司 | Drilling tool of exhaust manifold |
| CN110561166A (en) * | 2019-09-16 | 2019-12-13 | 邹娥贞 | surface tapping machine for circular steel pipe and tapping method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130102 Effective date of abandoning: 20140115 |
|
| RGAV | Abandon patent right to avoid regrant |