CN203390581U - Connecting hole positioning device of supercharging flange of exhaust manifold - Google Patents

Connecting hole positioning device of supercharging flange of exhaust manifold Download PDF

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Publication number
CN203390581U
CN203390581U CN201320271632.2U CN201320271632U CN203390581U CN 203390581 U CN203390581 U CN 203390581U CN 201320271632 U CN201320271632 U CN 201320271632U CN 203390581 U CN203390581 U CN 203390581U
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China
Prior art keywords
exhaust manifold
flange
supercharging
base plate
plate
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CN201320271632.2U
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Chinese (zh)
Inventor
冯长虹
李振河
骞晓娜
陈旭
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Henan Province Xixia Automobile Water Pump Co Ltd
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Henan Province Xixia Automobile Water Pump Co Ltd
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Abstract

The utility model discloses a connecting hole positioning device of a supercharging flange of an exhaust manifold. The connecting hole positioning device comprises a fixture body, a base plate of the fixture body is provided with a fixed type resilient core tire body, and the base plate is connected with a workpiece clamping plate via a triaxial mobile mechanism. According to the connecting hole positioning device, the initial reference positioning is performed by positioning pins, the workpiece clamping plate and the exhaust manifold are lifted in the Z direction via an elevating member, a Y guiding shaft and a sliding guide rail on an X shaft conduct forced motions, the position of an air outlet of the exhaust manifold is corrected, the workpiece clamping plate and the exhaust manifold are continuously lifted until an upper pressing plate is attached to a supercharging flange surface, then the workpiece clamping plate and the exhaust manifold are hovered, the supercharging flange surface of the exhaust manifold is horizontal, the locking of the supercharging flange surface of the exhaust manifold in the Z direction is guaranteed, finally the three-dimensional positioning locking of the supercharging flange is accomplished, and drilling, chamfering and tapping of a connecting hole of the supercharging flange surface are finally accomplished. By adopting the technical solution, the position precision and quality of drilling are reliably guaranteed, and mass production of drilling machining of various supercharging flanges of the exhaust manifolds can be achieved.

Description

Exhaust manifold supercharging flange connecting hole positioner
Technical field
The utility model belongs to automobile engine production technical field, particularly a kind of exhaust manifold supercharging flange connecting hole positioner.
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 supercharging flange in exhaust manifold outlet side is connected with booster can affect performance and the exhaust emission standard of engine too.If supercharging flange is connected defective tightness with booster, all the task of improving its combination can be fallen on sealing mat to a great extent, even connecting bolt reinforcing is large again, also can't resolve the objective problem that rigid contact does not closely bring, and during normal use will soon produce the baneful influence that exhaust noise is large, engine is unable.So will detect the connecting hole position degree of exhaust manifold supercharging flange when producing exhaust manifold, whether compare when the physical location of supercharging flange connecting hole and size are with design in the deviation range of permission, particularly the center of its boring.But testing result is often disappointing, trace it to its cause and take exactly the parallel some flange faces of the inlet end of exhaust manifold and implement the localization method poor reliability of boring as positioning datum, cause the supercharging flange connecting hole and the layout design that process not to be inconsistent, affect engine performance.At present, though have high efficiency Digit Control Machine Tool or machining center, this class process equipment does not still possess suitable matched clamp, realizes quick, precise positioning, if employing configuration rates, at the import laser scanning device of tens0000 yuan, will inevitably cause increasing of processing cost.Therefore, the utmost point is necessary to design a kind of novel exhaust manifold supercharging flange connecting hole positioner and explores its drilling and positioning method, solves a difficult problem for this permanent puzzlement producer, steps out a difficult step of technological innovation.
Utility model content
The purpose of this utility model is to address the above problem; a kind of large-scale production that is applicable to various exhaust manifold supercharging flange Drilling operations is provided; registration, drilling quality is reliable, production efficiency is high, and simple and practical exhaust manifold supercharging flange connecting hole positioner.
Realizing the technical scheme that the purpose of this utility model takes is: a kind of exhaust manifold supercharging flange connecting hole positioner, comprise clamp body, fixed core tire detent mechanism is set on the base plate of described clamp body, and described base plate connects clamping workpiece plate by San Zhou travel mechanism.
On described clamping workpiece plate, away from described fixed core tire detent mechanism one side, be provided for locating the plane of orientation of exhaust manifold inlet flange.
Two or three alignment pins for initial alignment exhaust manifold air inlet are set on described plane of orientation.
Described San Zhou travel mechanism comprise be arranged at the lift component of described clamping workpiece plate bottom, described lift component top X-axis and with described X-axis orthogonal Y axis of guide in horizontal plane.
Described lift component is set to elevating lever or hydraulic elevating platform, and described lift component is established locking control.
In described X-axis, rail plate is set, described rail plate is set to spherical guide or feather key guide rail or mandrel slide block guide rail.
The described Y axis of guide comprises at least two parallel leads, and described lead is through lining.
Described fixed core tire detent mechanism has a fixed core tire arm, the front end of described core tire arm has been bolted core carcass, described core tire arm is connected with described base plate by firm banking, described core carcass comprises successively and installs with described bolt upper fixed seat and the movable gland being connected, the all sides of described gland arrange locating piece, between described movable gland and locating piece and fixed seat, Compress Spring is set respectively, described core tire arm front portion arranges the top board of location supercharging end face of flange, the locating piece gap of described top board and free state is less than described holddown spring stroke.
Described locating piece front portion arranges lead-in chamfered.
On described locating piece, guide post is set.
On described clamp body base plate, Y-direction retaining mechanism is set.
Described Y-direction retaining mechanism comprises that at least three groups that both sides, described clamping workpiece plate front and back arrange support locking members.
Described Y-direction retaining mechanism comprises Y-direction push rod or jackscrew and at least two group hydraulic pressure or the pneumatic type telescopic lever arranging on described clamp body base plate.
Described Y-direction retaining mechanism comprises some locating holes and the supporting tight fixed bolt securing member arranging on described clamp body base plate.
On described clamp body base plate, X-direction retaining mechanism is set, described X-direction retaining mechanism comprises that at least two groups that the described clamping workpiece plate left and right sides arranges support locking member.
Exhaust manifold supercharging flange connecting hole positioner of the present utility model, some end face of flange that the exhaust manifold inlet end of usining walks abreast are as the first positioning datum, described exhaust manifold is abutted against on described plane of orientation, by described alignment pin, carry out initial reference location, described alignment pin size is significantly less than the size of described air inlet, now described air discharging manifold flange has the trend that necessarily leans forward, the design of the design consideration workpiece of clamp body supercharging flange endface position own, carry out after initial alignment at X, Y, the distance that Z three-dimensional moves freely remains in very little scope, reduced to adjust the activity time of location on a large scale, then by described lift component, described clamping workpiece plate is risen together with described exhaust manifold Z-direction, described locating piece forces the rail plate arranging in the described Y axis of guide and described X-axis to do diriven motion, proofread and correct position, described exhaust manifold gas outlet, continue to promote described clamping workpiece plate together with described exhaust manifold, by top board laminating supercharging end face of flange the hovering of described core tire arm front portion, realize described exhaust manifold supercharging end face of flange level, now described alignment pin is unsettled under normal circumstances, in the state of not stressing, do not stress, and the Z-direction that guarantees described exhaust manifold supercharging end face of flange is locked, by described X-direction retaining mechanism and Y-direction retaining mechanism, realize the X of described exhaust manifold, Y-direction locking, realize the X of described exhaust manifold supercharging end face of flange, Y-direction location, finally complete the three-dimensional positioning and locking of described supercharging end face of flange, finally complete the boring of described supercharging end face of flange connecting hole, and chamfering, tapping.Adopt exhaust manifold supercharging flange connecting hole positioner described in the utility model and drilling and positioning method, guarantee reliably positional precision and the quality of boring, be convenient to realize the large-scale production of various exhaust manifold supercharging flange Drilling operations.
Compared with prior art, the utility model exhaust manifold supercharging flange connecting hole positioner has the advantages such as simple in structure, cheap, easy to operate, strong adaptability.This positioner and boring method go for various engine exhaust ports for the Drilling operation of connecting hole on the exhaust manifold supercharging end face of flange of circular or oval air flue.
Accompanying drawing explanation
Fig. 1 is the structural representation of exhaust manifold supercharging flange connecting hole positioner in the utility model;
Fig. 2 is the left view of exhaust manifold supercharging flange connecting hole positioner described in the utility model Fig. 1;
Fig. 3 is the structural representation of the utility model Fig. 1 Elastic core tire.
The specific embodiment
Specific embodiment one
As shown in Figure 1, Figure 2 and Figure 3, a kind of exhaust manifold supercharging flange connecting hole positioner, comprises clamp body, and fixed core tire detent mechanism is set on described clamp body base plate 1, and described base plate 1 connects clamping workpiece plate 2 by San Zhou travel mechanism.
On described clamping workpiece plate 2, away from described fixed core tire detent mechanism one side, be provided for locating the plane of orientation 3 of exhaust manifold inlet flange, two or three alignment pins 4 for initial alignment exhaust manifold air inlet are set on described plane of orientation 3.
Described San Zhou travel mechanism comprise be arranged at the lift component 7 of described clamping workpiece plate bottom, described lift component 7 tops X-axis and with described X-axis orthogonal Y axis of guide in horizontal plane.
Described lift component 7 is set to elevating lever or hydraulic elevating platform, and motion is steadily reliable, can certainly derive as moving gas dynamic formula lift component, and described lift component 7 is established locking control.
Rail plate 8 is set in described X-axis, and described rail plate is set to spherical guide or feather key guide rail or mandrel slide block guide rail, and in diriven motion process, resistance is very little, is convenient to precise positioning.
The described Y axis of guide comprises at least two parallel leads 9, and described lead 9 is through lining 10.
Described fixed core tire detent mechanism has a fixed core tire arm 11, the front end of described core tire arm 11 is connected with core carcass by bolt 12, described core tire arm 11 is connected with described base plate 1 by firm banking, described core carcass comprises successively and installs with described bolt 12 upper fixed seat and the movable gland 13 being connected, 13 weeks sides of described movable gland arrange locating piece 15, between described movable gland 13 and locating piece 15 and fixed seat, Compress Spring 14 is set respectively, described core tire arm 11 front portions arrange the top board 16 of location supercharging end face of flange, described top board 16 is less than described holddown spring stroke with the locating piece gap of free state.
Described locating piece 15 front portions arrange lead-in chamfered, be convenient to press down in process workpiece is progressively proofreaied and correct, and rise in making and can not produce interference.
On described locating piece 15, guide post 17 is set, the slide opening that described guide post 17 arranges through described core tire arm 11 sidepieces, prevent described locating piece 7 in motion process, twist, unsceptered.
On described clamp body base plate 1, Y-direction retaining mechanism is set, compresses successful, in the process of location and processing work, keep its position degree constant.
Described Y-direction retaining mechanism comprises that at least three groups that both sides, described clamping workpiece plate front and back arrange support locking members.
Described Y-direction retaining mechanism comprises the pull bar 6 that the Y-direction push rod that arranges on described clamp body base plate or jackscrew 18 and at least two group hydraulic pressure or cylinder 5 drive.
On described clamp body base plate 1, X-direction retaining mechanism is set, described X-direction retaining mechanism comprises that at least two groups that the described clamping workpiece plate left and right sides arranges support locking member 19.
Specific embodiment two
Be with specific embodiment one difference part: described Y-direction retaining mechanism comprises some locating holes and the supporting tight fixed bolt securing member arranging on described clamp body base plate.
Specific embodiment three
Be with specific embodiment one or two difference parts: X-direction retaining mechanism and Y-direction retaining mechanism are set to respectively three groups, four groups.
In above-described embodiment, exhaust manifold supercharging flange connecting hole positioner of the present utility model, the plane of orientation of some flange faces that the exhaust manifold inlet end of usining is parallel is as the first positioning datum, described exhaust manifold is abutted against on described plane of orientation, by described alignment pin, carry out initial reference location, described alignment pin size is significantly less than the size of described air inlet, now described air discharging manifold flange has the trend that necessarily leans forward, the design of the design consideration workpiece of clamp body supercharging flange endface position own, carry out after initial alignment at X, Y, the distance that Z three-dimensional moves freely remains in very little scope, reduced to adjust the activity time of location on a large scale, then by described lift component, described clamping workpiece plate is risen together with described exhaust manifold Z-direction, described locating piece forces the rail plate arranging in the described Y axis of guide and described X-axis to do diriven motion, proofread and correct position, described exhaust manifold gas outlet, continue to promote described clamping workpiece plate together with described exhaust manifold, by top board laminating supercharging end face of flange the hovering of described core tire arm front portion, realize described exhaust manifold supercharging end face of flange level, now described alignment pin is unsettled under normal circumstances, in the state of not stressing, do not stress, and the Z-direction that guarantees described exhaust manifold supercharging end face of flange is locked, by described X-direction retaining mechanism and Y-direction retaining mechanism, realize the X of described exhaust manifold, Y-direction locking, realize the X of described exhaust manifold supercharging end face of flange, Y-direction location, finally complete the three-dimensional positioning and locking of described supercharging end face of flange, finally complete the boring of described supercharging end face of flange connecting hole, and chamfering, tapping.Adopt exhaust manifold supercharging flange connecting hole positioner described in the utility model and drilling and positioning method, guarantee reliably positional precision and the quality of boring, be convenient to realize the large-scale production of various exhaust manifold supercharging flange Drilling operations.
Compared with prior art, the utility model exhaust manifold supercharging flange connecting hole positioner has the advantages such as simple in structure, cheap, easy to operate, strong adaptability.This positioner and boring method go for various engine exhaust ports for the Drilling operation of connecting hole on the exhaust manifold supercharging end face of flange of circular or oval air flue.

Claims (7)

1. an exhaust manifold supercharging flange connecting hole positioner, comprise clamp body, it is characterized in that: fixed core tire detent mechanism is set on the base plate of described clamp body, described base plate connects clamping workpiece plate by San Zhou travel mechanism, on described clamping workpiece plate, away from described fixed core tire detent mechanism one side, be provided for locating the plane of orientation of exhaust manifold inlet flange, two or three alignment pins for initial alignment exhaust manifold air inlet are set on described plane of orientation, described San Zhou travel mechanism comprises the lift component that is arranged at described clamping workpiece plate bottom, the X-axis on described lift component top and with described X-axis orthogonal Y axis of guide in horizontal plane.
2. exhaust manifold supercharging flange connecting hole positioner as claimed in claim 1, is characterized in that: described lift component is set to elevating lever or hydraulic elevating platform, and described lift component is established locking control.
3. exhaust manifold supercharging flange connecting hole positioner as claimed in claim 1, is characterized in that: in described X-axis, rail plate is set, described rail plate is set to spherical guide or feather key guide rail or mandrel slide block guide rail.
4. exhaust manifold supercharging flange connecting hole positioner as claimed in claim 1, is characterized in that: the described Y axis of guide comprises at least two parallel leads, and described lead is through lining.
5. exhaust manifold supercharging flange connecting hole positioner as claimed in claim 1, it is characterized in that: described fixed core tire detent mechanism has a fixed core tire arm, the front end of described core tire arm has been bolted core carcass, described core tire arm is connected with described base plate by firm banking, described core carcass comprises successively and installs with described bolt upper fixed seat and the movable gland being connected, the all sides of described gland arrange locating piece, between described movable gland and locating piece and fixed seat, Compress Spring is set respectively, on described locating piece, guide post is set, described core tire arm front portion arranges the top board of location supercharging end face of flange, the locating piece gap of described top board and free state is less than the stroke of described Compress Spring.
6. exhaust manifold supercharging flange connecting hole positioner as described in claim 1-5 any one, is characterized in that: on described clamp body base plate, Y-direction retaining mechanism is set.
7. exhaust manifold supercharging flange connecting hole positioner as described in claim 1-5 any one, it is characterized in that: on described clamp body base plate, X-direction retaining mechanism is set, described X-direction retaining mechanism comprises that at least two groups that the described clamping workpiece plate left and right sides arranges support locking member.
CN201320271632.2U 2013-05-19 2013-05-19 Connecting hole positioning device of supercharging flange of exhaust manifold Active CN203390581U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103252660A (en) * 2013-05-19 2013-08-21 河南省西峡汽车水泵股份有限公司 Exhaust manifold pressurization flange connecting hole locating device and hole drilling locating method
CN103934712A (en) * 2014-04-28 2014-07-23 成都陵川特种工业有限责任公司 Drilling locating device for exhaust manifold air intake flange communication hole
CN105458798A (en) * 2016-01-22 2016-04-06 南阳飞龙汽车零部件有限公司 Elastic automatic core body positioning device
CN109530802A (en) * 2018-12-21 2019-03-29 威斯卡特工业(中国)有限公司 A kind of hydraulic cutting groove jig, numerical control band sawing machine and its technics of slot

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103252660A (en) * 2013-05-19 2013-08-21 河南省西峡汽车水泵股份有限公司 Exhaust manifold pressurization flange connecting hole locating device and hole drilling locating method
CN103934712A (en) * 2014-04-28 2014-07-23 成都陵川特种工业有限责任公司 Drilling locating device for exhaust manifold air intake flange communication hole
CN103934712B (en) * 2014-04-28 2016-03-23 成都陵川特种工业有限责任公司 For the drilling-hole positioning device of exhaust manifold inlet flange intercommunicating pore
CN105458798A (en) * 2016-01-22 2016-04-06 南阳飞龙汽车零部件有限公司 Elastic automatic core body positioning device
CN105458798B (en) * 2016-01-22 2017-12-22 南阳飞龙汽车零部件有限公司 A kind of flexible core tire automatic positioning equipment
CN109530802A (en) * 2018-12-21 2019-03-29 威斯卡特工业(中国)有限公司 A kind of hydraulic cutting groove jig, numerical control band sawing machine and its technics of slot

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