CN105149649B - A kind of small head end boring method of automobile gas exhausting manifold branch - Google Patents
A kind of small head end boring method of automobile gas exhausting manifold branch Download PDFInfo
- Publication number
- CN105149649B CN105149649B CN201510618061.9A CN201510618061A CN105149649B CN 105149649 B CN105149649 B CN 105149649B CN 201510618061 A CN201510618061 A CN 201510618061A CN 105149649 B CN105149649 B CN 105149649B
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- exhaust manifold
- top surface
- positioning seat
- drill bit
- base plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
- B23B39/16—Drilling machines with a plurality of working-spindles; Drilling automatons
- B23B39/161—Drilling machines with a plurality of working-spindles; Drilling automatons with parallel work spindles
- B23B39/162—Drilling machines with a plurality of working-spindles; Drilling automatons with parallel work spindles having gear transmissions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/30—Additional gear with one or more working-spindles attachable to the main working-spindle and mounting the additional gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
- B23B49/02—Boring templates or bushings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/10—Driving main working members rotary shafts, e.g. working-spindles driven essentially by electrical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The present invention discloses a kind of small head end boring method of automobile gas exhausting manifold branch, it is characterised in that comprise the following steps：Step a：The left part of horizonal base plate top surface in a drilling equipment, the drilling equipment is set to be installed with transmission case on pedestal, transmission case is provided with motor；The right-hand member of power transmission shaft is installed with an active gear wheel, active gear wheel is often engaged with 3 driven pinions, this 3 driven pinions are solidly set on sliding seat in a corresponding drive shaft and are located at connecting box front-right respectively, its bottom and the guide rail of horizonal base plate top surface are slidably matched, and can be horizontally slipped under the drive of pushing motor；Sliding seat top surface is provided with exhaust manifold positioning seat；Exhaust manifold positioning seat left front is provided with the first cylinder, and exhaust manifold positioning seat right back is provided with the second cylinder, and the two cylinders are located on the top surface of sliding seat vertically.The present invention can bore 3 mounting holes on exhaust manifold simultaneously, can thus ensure the position degree requirement of 3 mounting holes well.
Description
Technical field
The invention belongs to automobile gas exhausting manifold branch manufacture field, more particularly to a kind of small head end drilling side of automobile gas exhausting manifold branch
Method.
Background technology
Exhaust manifold is the important component of automobile engine exhaust system, and its small head end is provided with 4 mounting holes, this 3
The axial line of mounting hole is parallel, and is located proximate to.Current processing method is to drill one by one, and such processing mode is not only processed
Efficiency is low, and the position degree in 3 holes can not Reliable guarantee, above-mentioned technical barrier of urgent need solution for this.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of automobile gas exhausting manifold branch small head end boring method, are intended to simultaneously
3 mounting holes are bored in small head end.
Technical scheme is as follows：A kind of small head end boring method of automobile gas exhausting manifold branch, it is characterised in that including such as
Lower step：
Step a：One drilling equipment is set on pedestal, and the drilling equipment includes horizonal base plate (1) and sliding seat (30),
Wherein horizonal base plate (1) is rectangular slab, and the horizonal base plate is fixed on pedestal by T-bolt；Horizonal base plate (1) top surface
Left part be installed with a transmission case (3), motor (5) is installed in transmission case, the driving pulley of the motor output shaft left end leads to
Cross transmission belt (6) with the driven pulley on power transmission shaft (7) to be connected, the left part of the power transmission shaft and middle part are being driven by bearings
In mounting hole on case (3)；Power transmission shaft (7) right-hand member is reached in connecting box (8), and the connecting box is located at the transmission case (3)
The right, and fixed by circumferentially arranged level connection joint post (9) with the transmission case；The right-hand member of the power transmission shaft (7) is installed with
One active gear wheel (10), the active gear wheel is often engaged with 3 driven pinions (11), this 3 driven pinion difference
It is solidly set on a corresponding drive shaft (12), the left end and right part of this 3 drive shafts are respectively by bearings in the company
Connect on the corresponding boxboard of case (8)；The right-hand member of the every drive shaft (12) passes through a drill bit connection component and a drill bit
(13) afterbody is coaxially connected, and the drill bit connection component is arranged on taper connection bucket (14) right-hand member, and taper connection bucket (14) is left
End is fixedly connected with the connecting box (8) right-hand member；
The sliding seat (30) is located at connecting box (8) front-right, and the guide rail slip of its bottom and horizonal base plate (1) top surface is matched somebody with somebody
Close, and sliding seat (30) is connected by feed screw nut's assembly (31) with the pushing motor (32) of horizonal base plate (1) top surface, and can be
Horizontally slipped under the drive of the pushing motor；Sliding seat (30) top surface is provided with an exhaust manifold positioning seat (15), should
The top surface of exhaust manifold positioning seat is left low right high inclined-plane；The left rear vertical of exhaust manifold positioning seat (15) top surface is set
There is the first locating dowel (16), the right front vertical of the exhaust manifold positioning seat top surface is provided with the second locating dowel (17), and this two fixed
The diameter of position post is identical, and either flush, and the first locating dowel (16) top surface is located at the lower section of the drill bit (13) of bottom one；
There are 3 prelocalization pins (18), the second locating dowel (17) left in the right of first locating dowel (16) side by side from left to right
Being turned left side by side from the right side has alignment pin (19) after 3, and the diameter of these alignment pins is equal, and less than first locating dowel (16)
Diameter, and the either flush of all alignment pins, and less than the top surface of the first locating dowel (16)；
Exhaust manifold positioning seat (15) left front is provided with the first cylinder (20), and the exhaust manifold positioning seat right back is set
There is the second cylinder (21), the two cylinders are located on the top surface of the sliding seat (30) vertically, and first and second cylinder (20,
21) piston rod upper end is respectively and fixedly provided with one piece of horizontal pressure foot (22), and this two pieces of horizontal pressure foots are used to exhaust manifold being pressed on row
On gas manifold positioning seat (15)；
Step b：First by first and second locating dowel (16,17) and forward and backward alignment pin (18,19) by exhaust manifold
It is positioned on exhaust manifold positioning seat (15), restarts first and second cylinder (20,21) and exhaust manifold is pressed on exhaust discrimination
Pipe positioning seat (15)；Secondly, start the motor (5) and pushing motor (32), so that the drill bit (13) drills, and be vented discrimination
Pipe is moved to the left, to be drilled on exhaust manifold；After drilling in place, controlled motor (5) and pushing motor (32) reversion, then
Control first and second cylinder (20,21) to unclamp exhaust manifold, finally take exhaust manifold from exhaust manifold positioning seat (15)
Under.
In the above-mentioned technical solutions, exhaust manifold is by the first locating dowel (16), the second locating dowel (17), prelocalization pin (18)
It is positioned on exhaust manifold positioning seat (15), and is compressed by two pieces of horizontal pressure foots (22) with rear alignment pin (19).During drilling, motor
(5) power is delivered on 3 drive shafts (12) by power transmission shaft (7), so as to drive 3 drill bit synchronous axial systems.Promote simultaneously
Motor (32) promotes sliding seat (30) to be moved to the left, so as to promote exhaust manifold to be moved to the left, realizes axial feed, and then realize
Drilling.Also, this case can thus be further ensured that precision during bit bore by the way of drill bit rotation, workpiece feeding,
So as to be further ensured that the borehole accuracy of exhaust manifold, also than drill bit, rotationally and axially feeding drilling is smart simultaneously for such bore mode
Du Genggao.
Using above technical scheme, the present invention can bore 3 mounting holes on exhaust manifold simultaneously, between 3 drill bits
Relative distance is fixed, and without repeated clamping exhaust manifold and positioning drill bit, can thus ensure the position of 3 mounting holes well
Degree of putting requirement, avoids the defect drilled one by one in the past well, while this case is rotated using drill bit, exhaust manifold axial feed
Bore mode more can guarantee that borehole accuracy, and drilling tool used in this method is simple in construction, it is easy to implement.
Preferably, the drill bit connection component includes interior adapter sleeve (23) and clamping screw (26), wherein interior adapter sleeve
(23) centre bore is flat hole, the flat hole and the flat section close-fitting of the drive shaft (12) right-hand member and drill bit (13) afterbody
Close；The interior adapter sleeve (23) is installed in the centre bore of outer adapter sleeve (24) by bearing, solid on the outer wall of the outer adapter sleeve
Provided with a radial direction block (25), a bar hole (25a) is provided with along its length on radial direction block；The clamping screw (26) is worn
Cross after the bolt through-hole on taper connection bucket (14) and the bar hole (25a) on radial direction block (25), be set with a clamp nut
(27)。
Using above structure, drive shaft (12) and drill bit (13) thus can be effectively connected, to ensure the reliable of transmission,
And can guarantee that drill bit is freely rotated, and this modular construction is simple, it is easy to implement.Furthermore it is also possible to quickly and easily more preferably abrasion
Drill bit afterwards is time saving and energy saving.
In the present case, the connecting box (8) and exhaust manifold positioning seat (15) are middle provided with a drill bit positioning seat (28),
The drill bit positioning seat is fixed on the top surface of the sliding seat (30), and is respectively mounted in the mounting hole of 3 on drill bit positioning seat
There is a drill bushing (29), 3 drill bits (13) are each passed through the centre bore of correspondence drill bushing (29).
Using above structure, occurs acutely shake during the head drilling that can thus more efficiently prevent from drill bit, so as to have
Effect ensures borehole accuracy.
It is special that 3 prelocalization pins (18) and rear alignment pin (19) are equidistant in order to more effectively realize positioning and support
Set.
Beneficial effect：The present invention can bore 3 mounting holes on exhaust manifold, the relative distance between 3 drill bits simultaneously
It is fixed, it can thus ensure the position degree requirement of 3 mounting holes well, the defect drilled one by one in the past be avoided well, together
When this case rotated using drill bit, the bore mode of exhaust manifold axial feed more can guarantee that borehole accuracy, and this method is used bores
The drill bit connection of aperture apparatus is reliable, convenient to disassembly.
Brief description of the drawings
Fig. 1 by the present invention use drilling equipment structural representation.
Fig. 2 is Fig. 1 top view.
Fig. 3 is the partial enlarged drawing of part A in Fig. 1.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples：
A kind of small head end boring method of automobile gas exhausting manifold branch, it is characterised in that comprise the following steps：
Step a：One drilling equipment is set on pedestal, and as shown in Figure 1, 2, 3, the drilling equipment is main by horizonal base plate
1st, transmission case 3, motor 5, transmission belt 6, power transmission shaft 7, connecting box 8, level connection joint post 9, active gear wheel 10, driven pinion
11st, drive shaft 12, drill bit 13 and taper connection bucket 14 etc. are constituted.Wherein, horizonal base plate 1 is rectangular slab, and the horizonal base plate 1 passes through
Tommyhead bolt is fixed on pedestal (being not drawn into figure).A transmission case 3 is installed with the left part of the top surface of horizonal base plate 1, in transmission
The top surface of case 3 is provided with motor 5.The driving pulley of the output shaft left end of motor 5 passes through the driven belt on transmission belt 6 and power transmission shaft 7
Wheel is connected, and the left part of the power transmission shaft 7 and middle part pass through in mounting hole of the bearings on transmission case 3.
As shown in Figure 1, 2, the right-hand member of power transmission shaft 7 is reached in connecting box 8, and the connecting box 8 is located at the right of transmission case 3, and leads to
8 circumferentially arranged level connection joint posts 9 are crossed to fix with the transmission case 8.The right-hand member of power transmission shaft 7 is installed with an active gear wheel
10, the active gear wheel is often engaged with 3 driven pinions 11, this 3 driven pinions 11 be solidly set on respectively one it is corresponding
In drive shaft 12, the left end and right part of this 3 drive shafts 12 are respectively by bearings on the corresponding boxboard of connecting box 8.Often
The right-hand member of root drive shaft 12 is coaxially connected by the afterbody of a drill bit connection component and a drill bit 13, the drill bit connection component
Installed in the right-hand member of taper connection bucket 14, and the left end of taper connection bucket 14 is fixedly connected with the right-hand member of connecting box 8.
Drill bit connection component is by interior adapter sleeve 23, outer adapter sleeve 24, radial direction block 25, clamping screw 26 and the structure of clamp nut 27
Into wherein the centre bore of interior adapter sleeve 23 is the combination bore being small at both ends and big in the middle, and two is flat hole, the flat hole on the left side
With the flat of the right-hand member of drive shaft 12 section tight fit, flat hole and the flat section of the afterbody of drill bit 13 on the right of the interior centre bore of adapter sleeve 23
Tight fit.Interior adapter sleeve 23 is installed in the centre bore of outer adapter sleeve 24 by bearing, fixed on the outer wall of the outer adapter sleeve 24
There is a radial direction block 25, be provided with a bar hole 25a along its length on radial direction block.Clamping screw 26 passes through taper connection bucket
After the bar hole 25a on bolt through-hole and radial direction block 25 on 14, a clamp nut 27 is set with.
From Fig. 1,2 it is also seen that sliding seat 30 is located at the front-right of connecting box 8, its bottom is led with the top surface of horizonal base plate 1
Rail is slidably matched, and sliding seat 30 is connected by feed screw nut's assembly 31 with the pushing motor 32 of the top surface of horizonal base plate 1, and can be
Horizontally slipped under the drive of the pushing motor 32.The top surface of sliding seat 30 is provided with an exhaust manifold positioning seat 15, the exhaust discrimination
The top surface of pipe positioning seat 15 is left low right high inclined-plane.The left rear vertical of the top surface of exhaust manifold positioning seat 15 is provided with the first positioning
Post 16, the right front vertical of the top surface of exhaust manifold positioning seat 15 is provided with the second locating dowel 17, the diameter phase of this two locating dowels
And the top surface of the second locating dowel 17 is parallel with the top surface of exhaust manifold positioning seat 15 together, and either flush,.Also, the first positioning
The top surface of post 16 is located at the lower section of a piece drill bit 13 of bottom.There are 3 prelocalizations the right of first locating dowel 16 side by side from left to right
Pin 18, the left of the second locating dowel 17 is turned left side by side from the right side alignment pin 19 after 3, and the diameter of these alignment pins is equal, and is less than
The diameter of first locating dowel 16, and the either flush of all alignment pins, and it is parallel with the top surface of exhaust manifold positioning seat 15.And
And, the top surface of prelocalization pin 18 and rear alignment pin 19 is less than the top surface of the first locating dowel 16.Meanwhile, 3 prelocalization pins 18 are with after
Alignment pin 19 is placed equidistant.
The left front of exhaust manifold positioning seat 15 is provided with the first cylinder 20, and the right back of the exhaust manifold positioning seat 15 is provided with the
Two cylinders 21, the two cylinders are located on the top surface of sliding seat 30 vertically, and the piston of the first cylinder 20 and the second cylinder 21
Bar upper end is respectively and fixedly provided with one piece of horizontal pressure foot 22, and this two pieces of horizontal pressure foots 22 are used to exhaust manifold being pressed on exhaust manifold positioning
On seat 15.Connecting box 8 in the middle of exhaust manifold positioning seat 15 provided with a drill bit positioning seat 28, the drill bit positioning seat 28 with being fixed on
On the top surface of sliding seat 30.A drill bushing 29 is separately installed with 3 mounting holes on drill bit positioning seat 28, the right-hand member of drill bushing 29
Big footpath section expose the right surface of drill bit positioning seat 28,3 drill bits 13 are each passed through the centre bore of correspondence drill bushing 29.
Step b：It will be arranged by first locating dowel 16, the second locating dowel 17, prelocalization pin 18, rear alignment pin 19 first
Gas manifold is positioned on exhaust manifold positioning seat 15, restarts the first cylinder 20, the second cylinder 21 and exhaust manifold is pressed on into row
On gas manifold positioning seat 15.Secondly, motor 5 and pushing motor 32 are started, so that the drill bit 13 drills, and exhaust manifold is to the left
It is mobile, to be drilled on exhaust manifold.After drilling in place, controlled motor 5 and pushing motor 32 are inverted, and then control the first gas
Cylinder 20, the second cylinder 21 unclamp exhaust manifold, finally remove exhaust manifold from exhaust manifold positioning seat 15.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not limitation, all essences in the present invention with the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (4)
1. a kind of small head end boring method of automobile gas exhausting manifold branch, it is characterised in that comprise the following steps：
Step a：One drilling equipment is set on pedestal, and the drilling equipment includes horizonal base plate (1) and sliding seat (30), wherein
Horizonal base plate (1) is rectangular slab, and the horizonal base plate is fixed on pedestal by T-bolt；A left side for horizonal base plate (1) top surface
Portion is installed with a transmission case (3), and motor (5) is provided with transmission case, and the driving pulley of the motor output shaft left end passes through
Transmission belt (6) is connected with the driven pulley on power transmission shaft (7), and the left part of the power transmission shaft and middle part are by bearings in transmission case
(3) in the mounting hole on；Power transmission shaft (7) right-hand member is reached in connecting box (8), and it is right that the connecting box is located at the transmission case (3)
Side, and fixed by circumferentially arranged level connection joint post (9) with the transmission case；The right-hand member of the power transmission shaft (7) is installed with one
Individual active gear wheel (10), the active gear wheel is meshed with 3 driven pinions (11), and this 3 driven pinions are solid respectively
It is enclosed on a corresponding drive shaft (12), the left end and right part of this 3 drive shafts are respectively by bearings in the connection
On the corresponding boxboard of case (8)；The right-hand member of the every drive shaft (12) passes through a drill bit connection component and a drill bit (13)
Afterbody it is coaxially connected, the drill bit connection component be arranged on taper connection bucket (14) right-hand member, and taper connection bucket (14) left end with
Connecting box (8) right-hand member is fixedly connected；
The sliding seat (30) is located at connecting box (8) front-right, and sliding seat (30) bottom and the guide rail of horizonal base plate (1) top surface are slided
Move and coordinate, and sliding seat (30) is connected by feed screw nut's assembly (31) with the pushing motor (32) of horizonal base plate (1) top surface, and
It can be horizontally slipped under the drive of the pushing motor；Sliding seat (30) top surface is provided with an exhaust manifold positioning seat
(15), the top surface of the exhaust manifold positioning seat is left low right high inclined-plane；Exhaust manifold positioning seat (15) top surface it is left front
Portion is provided with the first locating dowel (16) vertically, and the right front vertical of the exhaust manifold positioning seat top surface is provided with the second locating dowel (17),
The diameter of this two locating dowels is identical, and either flush, and the first locating dowel (16) top surface is located at piece drill bit of bottom
(13) lower section；There are 3 prelocalization pins (18), second positioning in the right of first locating dowel (16) side by side from left to right
Post (17) left is turned left side by side from the right side alignment pin (19) after 3, and the diameter of these alignment pins is equal, and determines less than described first
The diameter of position post (16), and the either flush of all alignment pins, and less than the top surface of the first locating dowel (16)；
Exhaust manifold positioning seat (15) left front is provided with the first cylinder (20), and the exhaust manifold positioning seat right back is provided with the
Two cylinders (21), the two cylinders are located on the top surface of the sliding seat (30) vertically, and first and second cylinder (20,21)
Piston rod upper end is respectively and fixedly provided with one piece of horizontal pressure foot (22), and this two pieces of horizontal pressure foots are used to exhaust manifold being pressed on exhaust manifold
On positioning seat (15)；
Step b：Exhaust manifold is positioned by first and second locating dowel (16,17) and forward and backward alignment pin (18,19) first
On exhaust manifold positioning seat (15), restart first and second cylinder (20,21) exhaust manifold is pressed on exhaust manifold and determine
Position seat (15)；Secondly, start the motor (5) and pushing motor (32) so that the drill bit (13) drilling, and exhaust manifold to
Move left, to be drilled on exhaust manifold；After drilling in place, then controlled motor (5) and pushing motor (32) reversion control
First and second cylinder (20,21) unclamps exhaust manifold, finally removes exhaust manifold from exhaust manifold positioning seat (15).
2. the small head end boring method of automobile gas exhausting manifold branch according to claim 1, it is characterised in that：The drill bit connection group
Part include interior adapter sleeve (23) and clamping screw (26), wherein the centre bore of interior adapter sleeve (23) be flat hole, the flat hole and
The flat section tight fit of drive shaft (12) right-hand member and drill bit (13) afterbody；The interior adapter sleeve (23) is arranged on by bearing
In the centre bore of outer adapter sleeve (24), a radial direction block (25) is installed with the outer wall of the outer adapter sleeve, along length on radial direction block
Degree direction is provided with a bar hole (25a)；The clamping screw (26) passes through bolt through-hole and footpath on taper connection bucket (14)
To after the bar hole (25a) on block (25), a clamp nut (27) is set with.
3. the small head end boring method of automobile gas exhausting manifold branch according to claim 1, it is characterised in that：The connecting box (8)
With being provided with a drill bit positioning seat (28) in the middle of exhaust manifold positioning seat (15), the drill bit positioning seat is fixed on the sliding seat
(30) on top surface, and a drill bushing (29), 3 drill bits are separately installed with 3 mounting holes on drill bit positioning seat
(13) it is each passed through the centre bore of correspondence drill bushing (29).
4. the small head end boring method of automobile gas exhausting manifold branch according to claim 1, it is characterised in that：3 prelocalizations
Pin (18) and rear alignment pin (19) are placed equidistant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510618061.9A CN105149649B (en) | 2015-09-24 | 2015-09-24 | A kind of small head end boring method of automobile gas exhausting manifold branch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510618061.9A CN105149649B (en) | 2015-09-24 | 2015-09-24 | A kind of small head end boring method of automobile gas exhausting manifold branch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105149649A CN105149649A (en) | 2015-12-16 |
| CN105149649B true CN105149649B (en) | 2017-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510618061.9A Active CN105149649B (en) | 2015-09-24 | 2015-09-24 | A kind of small head end boring method of automobile gas exhausting manifold branch |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108098425B (en) * | 2018-01-30 | 2024-05-03 | 南京信息职业技术学院 | Radial drilling equipment for inner wall of cylinder body type deep hole |
| CN112108682B (en) * | 2020-09-21 | 2022-01-18 | 东莞市健科机电科技有限公司 | Drilling system and drilling method for spindle box of numerical control machine tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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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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| US6371469B1 (en) * | 2000-06-06 | 2002-04-16 | David T. Gray | Expandable mandrel |
| CN1995688A (en) * | 2006-01-05 | 2007-07-11 | 孙孝庆 | Oscillatory auger hole and dredging device |
| CN201483025U (en) * | 2009-09-10 | 2010-05-26 | 大连亚明汽车部件股份有限公司 | Double-drilling special equipment |
| CN203817817U (en) * | 2014-02-20 | 2014-09-10 | 西峡县内燃机进排气管有限责任公司 | Exhaust manifold milling clamp |
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| CN204108359U (en) * | 2014-09-23 | 2015-01-21 | 杭州萧山汽车滤清器有限公司 | The disposable processing unit (plant) of heavy-duty engine air inlet pipe both ends of the surface connecting hole |
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|---|---|
| CN105149649A (en) | 2015-12-16 |
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