CN105108201B - A kind of small head end drilling machine of automobile gas exhausting manifold branch - Google Patents
A kind of small head end drilling machine of automobile gas exhausting manifold branch Download PDFInfo
- Publication number
- CN105108201B CN105108201B CN201510612450.0A CN201510612450A CN105108201B CN 105108201 B CN105108201 B CN 105108201B CN 201510612450 A CN201510612450 A CN 201510612450A CN 105108201 B CN105108201 B CN 105108201B
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- CN
- China
- Prior art keywords
- top surface
- exhaust manifold
- positioning seat
- drill bit
- sliding seat
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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.)
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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
- 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
Abstract
The present invention discloses a kind of small head end drilling machine of automobile gas exhausting manifold branch, and the left part of horizonal base plate top surface is installed with transmission case, and transmission case is provided with motor；The right-hand member of power transmission shaft is installed with an active gear wheel, active gear wheel often engages 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 machine of automobile gas exhausting manifold branch.
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, be badly in need of solving above-mentioned technical barrier 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 drilling machine, be intended to and meanwhile
Small head end bores 3 mounting holes.
Technical scheme is as follows：A kind of small head end drilling machine of automobile gas exhausting manifold branch, it is characterised in that：Including level
Bottom plate (1) and sliding seat (30), wherein horizonal base plate (1) are rectangular slab, and a biography is installed with the left part of horizonal base plate top surface
Dynamic case (3), is provided with motor (5), the driving pulley of the motor output shaft left end passes through transmission belt (6) and power transmission shaft in transmission case
(7) driven pulley on is connected, and the left part of the power transmission shaft and middle part pass through in mounting hole of the bearings on transmission case (3)；
Power transmission shaft (7) right-hand member is reached in connecting box (8), and the connecting box is located on the right of the transmission case (3), and by circumferentially setting
Horizontal connection post (9) and the transmission case put are fixed；The right-hand member of the power transmission shaft (7) is installed with an active gear wheel (10),
The active gear wheel often engages with 3 driven pinions (11), and this 3 driven pinions are solidly set on driving corresponding to one respectively
On axle (12), the left end and right part of this 3 drive shafts are respectively by bearings corresponding to the connecting box (8) on boxboard；
The right-hand member of the every drive shaft (12) is coaxially connected by a drill bit connection component and the afterbody of a drill bit (13), the brill
Head connection component is arranged on taper connection bucket (14) right-hand member, and taper connection bucket (14) left end and the connecting box (8) right-hand member are solid
Fixed connection；
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, a pusher cylinder (31) is installed with horizonal base plate (1) top surface of the sliding seat right；The work of the pusher cylinder (31)
Stopper rod left end is installed with right pushing block (32), and the right pushing block is engaged with left pushing block (33), and the mating surface of the two pushing blocks is oblique
Face, and left pushing block (33) is connected by the connecting rod (34) before and after two side by side with the sliding seat (30) right-hand member；The left side pushes away
One piece of limiting plate (35) is provided between block (33) and sliding seat (30), the limiting plate is fixed on the horizonal base plate (1) top vertically
On face, and two connecting rods (34) are slidably matched with the via on limiting plate (35), and limiting plate (35) and left pushing block
(33) return spring (36) is set with two connecting rods (34) between；
Sliding seat (30) top surface is provided with an exhaust manifold positioning seat (15), the top surface of the exhaust manifold positioning seat
For left low right high inclined-plane；The left rear vertical of exhaust manifold positioning seat (15) top surface is provided with the first locating dowel (16), should
The right front vertical of exhaust manifold positioning seat top surface is provided with the second locating dowel (17), and the diameter of this two locating dowels is identical, and pushes up
Face is concordant, and the first locating dowel (16) top surface is located at the lower section of the drill bit (13) of bottom one；First locating dowel (16)
Right have 3 prelocalization pins (18) side by side from left to right, the second locating dowel (17) left is turned left side by side from the right side after having 3
Alignment pin (19), the diameter of these alignment pins is equal, and is less than the diameter of first locating dowel (16), and all alignment pins
Either flush, 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).
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) with rear alignment pin (19), and is compressed by two pieces of horizontal pressure foots (22).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, and so as to promote exhaust manifold to be moved to the left, realizes axial feed, and then realize
Drilling.Also, this case is rotated, by the way of workpiece feeding using drill bit, can thus be further ensured that precision during bit bore,
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.Meanwhile axial feed is realized using left and right pushing block, it thus can effectively reduce the pressure specification to pusher cylinder
It is required that so as to reduce the price of pusher cylinder, so as to reduce the cost of the present invention.
Using above technical scheme, the present invention can bore 3 mounting holes on exhaust manifold simultaneously, by between 3 drill bits
Relative distance is fixed, and without repeated clamping exhaust manifold and is positioned drill bit, can thus be ensured the position of 3 mounting holes well
Degree of putting requirement, the defects of drilling one by one before avoiding well, while this case is rotated using drill bit, exhaust manifold axial feed
Bore mode more can guarantee that borehole accuracy, and this drilling machine structure is simple, 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 drive shaft (12) right-hand member and the flat section close-fitting of drill bit (13) afterbody
Close；The interior adapter sleeve (23) is arranged on by bearing in the centre bore of outer adapter sleeve (24), 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
After crossing the bolt through-hole on taper connection bucket (14) and the bar hole (25a) on radial direction block (25), a clamp nut is set with
(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 freely rotates, and this modular construction is simple, it is easy to implement.Furthermore it is also possible to quickly and easily more preferable abrasion
Drill bit afterwards is time saving and energy saving.
In the present case, a drill bit positioning seat (28) is provided among the connecting box (8) and exhaust manifold positioning seat (15),
The drill bit positioning seat is fixed on the top surface of the sliding seat (30), and is installed respectively 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 corresponding drill bushing (29).
Using above structure, generation acutely shake during the head drilling of drill bit can be thus more efficiently prevented from, 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 simultaneously, by the relative distance between 3 drill bits
It is fixed, it can thus ensure the position degree requirement of 3 mounting holes well, the defects of drilling one by one before avoiding well, together
When this case rotated using drill bit, the bore mode of exhaust manifold axial feed more can guarantee that borehole accuracy；In addition, the present invention passes through
Left and right pushing block realizes axial feed, thus can effectively reduce the pressure specification requirement to pusher cylinder, be promoted so as to reduce
The price of cylinder, so as to reduce the cost of the present invention, and the drill bit connection of this drilling machine is reliable, convenient to disassembly.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
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：
As shown in Figure 1, 2, 3, the small head end drilling machine of a kind of automobile gas exhausting manifold branch, mainly by horizonal base plate 1, transmission case 3, electricity
Machine 5, transmission belt 6, power transmission shaft 7, connecting box 8, horizontal connection post 9, active gear wheel 10, driven pinion 11, drive shaft 12, brill
First 13 and the grade of taper connection bucket 14 form.Wherein, horizonal base plate 1 is rectangular slab, and the horizonal base plate 1 is fixed on by tommyhead bolt
On pedestal.A transmission case 3 is installed with the left part of the top surface of horizonal base plate 1, motor 5 is installed in the top surface of transmission case 3.The motor
The driving pulley of 5 output shaft left ends is connected by transmission belt 6 with the driven pulley on power transmission shaft 7, and the left part of the power transmission shaft 7 is with
Portion passes 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 horizontal connection 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, and this 3 driven pinions 11 are solidly set on corresponding to one respectively
In drive shaft 12, the left end and right part of this 3 drive shafts 12 are respectively by bearings corresponding to connecting box 8 on boxboard.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 section tight fit of the right-hand member of drive shaft 12, 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 arranged on by bearing in the centre bore of outer adapter sleeve 24, 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, chute and the top surface of horizonal base plate 1 of its bottom
Guide rail be slidably matched.A pusher cylinder 31 is installed with the top surface of horizonal base plate 1 of the right of sliding seat 30.The pusher cylinder
31 piston rod left end is installed with right pushing block 32, and the right pushing block 32 is engaged with left pushing block 33, and the mating surface of the two pushing blocks
For inclined-plane, and left pushing block 33 is connected by the connecting rod 34 before and after two side by side with the right-hand member of sliding seat 30.Left pushing block 33 with
One piece of limiting plate 35 is provided between sliding seat 30, the limiting plate 35 is fixed on the top surface of horizonal base plate 1 vertically, and two connecting rods
34 are slidably matched with the via on limiting plate 35, and are set with two between limiting plate 35 and left pushing block 33 piece connecting rod 34
A piece return spring 36.
The top surface of sliding seat 30 is provided with an exhaust manifold positioning seat 15, and the top surface of the exhaust manifold 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 locating dowel 16, the exhaust manifold positioning seat
The right front vertical of 15 top surfaces is provided with the second locating dowel 17, and the diameter of this two locating dowels is identical, and either flush, and second is fixed
The top surface of position post 17 is parallel with the top surface of exhaust manifold positioning seat 15.Also, the top surface of the first locating dowel 16 is located at bottom one
The lower section of drill bit 13.There are 3 prelocalization pins 18 right of first locating dowel 16 side by side from left to right, the left of the second locating dowel 17 from
The right side is turned left side by side alignment pin 19 after having 3, and the diameter of these alignment pins is equal, and less than the diameter of the first locating dowel 16, and institute
There is the either flush of alignment pin, and it is parallel with the top surface of exhaust manifold positioning seat 15.Also, prelocalization pin 18 and rear alignment pin 19
Top surface be less than the first locating dowel 16 top surface.Meanwhile 3 prelocalization pins 18 and rear alignment pin 19 are 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.With being provided with a drill bit positioning seat 28 among exhaust manifold positioning seat 15, the drill bit positioning seat 28 is fixed on connecting box 8
On the top surface of horizonal base plate 1.A drill bushing 29 is separately installed with 3 mounting holes on drill bit positioning seat 28, the drill bushing 29 is right
The big footpath section at end exposes the right surface of drill bit positioning seat 28, and 3 drill bits 13 are each passed through the centre bore of corresponding drill bushing 29.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not limitation with the present invention, all in essence of the invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (1)
- A kind of 1. small head end drilling machine of automobile gas exhausting manifold branch, it is characterised in that：Including horizonal base plate (1) and sliding seat (30), its Middle horizonal base plate (1) is rectangular slab, is installed with a transmission case (3) in the left part of horizonal base plate top surface, is provided with transmission case Motor (5), the driving pulley of the motor output shaft left end are connected by transmission belt (6) with the driven pulley on power transmission shaft (7), should The left part of power transmission shaft and middle part pass through in mounting hole of the bearings on transmission case (3)；Power transmission shaft (7) right-hand member reaches company Connect in case (8), the connecting box is located on the right of the transmission case (3), and passes through circumferentially arranged horizontal connection post (9) and the biography Dynamic case is fixed；The right-hand member of the power transmission shaft (7) is installed with an active gear wheel (10), the active gear wheel with it is 3 driven small Gear (11) is often engaged, and this 3 driven pinions are solidly set on a corresponding drive shaft (12) respectively, this 3 drive shafts Left end and right part are respectively by bearings corresponding to the connecting box (8) on boxboard；The right side of the every drive shaft (12) End is coaxially connected by a drill bit connection component and the afterbody of a drill bit (13), and the drill bit connection component connects installed in taper Bucket (14) right-hand member is connect, and taper connection bucket (14) 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 its bottom and the guide rail of horizonal base plate (1) top surface are slidably matched, A pusher cylinder (31) is installed with horizonal base plate (1) top surface of the sliding seat right；The piston of the pusher cylinder (31) Bar left end is installed with right pushing block (32), and the right pushing block is engaged with left pushing block (33), and the mating surface of the two pushing blocks is inclined-plane, And left pushing block (33) is connected by the connecting rod (34) before and after two side by side with the sliding seat (30) right-hand member；The left pushing block (33) one piece of limiting plate (35) is provided between sliding seat (30), the limiting plate is fixed on the horizonal base plate (1) top surface vertically On, and two connecting rods (34) are slidably matched with the via on limiting plate (35), and limiting plate (35) and left pushing block (33) Between two connecting rods (34) on be set with return spring (36)；Sliding seat (30) top surface is provided with an exhaust manifold positioning seat (15), and the top surface of the exhaust manifold positioning seat is a left side Low right high inclined-plane；The left rear vertical of exhaust manifold positioning seat (15) top surface is provided with the first locating dowel (16), the exhaust The right front vertical of manifold positioning seat top surface is provided with the second locating dowel (17), and the diameter of this two locating dowels is identical, and top surface is put down Together, the first locating dowel (16) top surface is located at the lower section of the drill bit (13) of bottom one；The right side of first locating dowel (16) There are 3 prelocalization pins (18) side side by side from left to right, and the second locating dowel (17) left is turned left side by side after having 3 from the right side and positioned Sell (19), the diameter of these alignment pins is equal, and is less than the diameter of first locating dowel (16), and the top surface of all alignment pins Concordantly, 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)；The drill bit connection component includes interior adapter sleeve (23) and clamping screw (26), wherein the centre bore of interior adapter sleeve (23) is Flat hole, the flat hole and the flat section tight fit of the drive shaft (12) right-hand member and drill bit (13) afterbody；The interior adapter sleeve (23) it is arranged on by bearing in the centre bore of outer adapter sleeve (24), a radial direction block is installed with the outer wall of the outer adapter sleeve (25), it is provided with a bar hole (25a) along its length on radial direction block；The clamping screw (26) passes through taper connection bucket (14) after the bar hole (25a) on bolt through-hole and radial direction block (25) on, it is set with a clamp nut (27)；The connecting box (8) among exhaust manifold positioning seat (15) with being provided with a drill bit positioning seat (28), the drill bit positioning seat It is fixed on the top surface of the sliding seat (30), and a drill bushing is separately installed with the mounting hole of 3 on drill bit positioning seat (29), 3 drill bits (13) are each passed through the centre bore of corresponding drill bushing (29)；3 prelocalization pins (18) and rear positioning Pin (19) is placed equidistant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510612450.0A CN105108201B (en) | 2015-09-24 | 2015-09-24 | A kind of small head end drilling machine of automobile gas exhausting manifold branch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510612450.0A CN105108201B (en) | 2015-09-24 | 2015-09-24 | A kind of small head end drilling machine of automobile gas exhausting manifold branch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105108201A CN105108201A (en) | 2015-12-02 |
| CN105108201B true CN105108201B (en) | 2017-12-22 |
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ID=54656432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510612450.0A Active CN105108201B (en) | 2015-09-24 | 2015-09-24 | A kind of small head end drilling machine of automobile gas exhausting manifold branch |
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| Country | Link |
|---|---|
| CN (1) | CN105108201B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1995688A (en) * | 2006-01-05 | 2007-07-11 | 孙孝庆 | Oscillatory auger hole and dredging device |
| CN103192108A (en) * | 2013-03-02 | 2013-07-10 | 青阳县恒远机械制造有限责任公司 | Horizontal drilling device |
| CN204413207U (en) * | 2015-01-12 | 2015-06-24 | 王瑞方 | Linear pattern many rows class horizontal type double-side processing multi spindle drilling machine |
| CN104786072A (en) * | 2015-04-09 | 2015-07-22 | 重庆民发汽车配件有限责任公司 | Flywheel central flange hole double-station drilling positioning tool |
| CN205057117U (en) * | 2015-09-24 | 2016-03-02 | 重庆民发汽车配件有限责任公司 | Exhaust manifold microcephaly holds drilling machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9527140B2 (en) * | 2009-02-05 | 2016-12-27 | Minnich Manufacturing Company, Inc. | Drilling apparatus |
-
2015
- 2015-09-24 CN CN201510612450.0A patent/CN105108201B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1995688A (en) * | 2006-01-05 | 2007-07-11 | 孙孝庆 | Oscillatory auger hole and dredging device |
| CN103192108A (en) * | 2013-03-02 | 2013-07-10 | 青阳县恒远机械制造有限责任公司 | Horizontal drilling device |
| CN204413207U (en) * | 2015-01-12 | 2015-06-24 | 王瑞方 | Linear pattern many rows class horizontal type double-side processing multi spindle drilling machine |
| CN104786072A (en) * | 2015-04-09 | 2015-07-22 | 重庆民发汽车配件有限责任公司 | Flywheel central flange hole double-station drilling positioning tool |
| CN205057117U (en) * | 2015-09-24 | 2016-03-02 | 重庆民发汽车配件有限责任公司 | Exhaust manifold microcephaly holds drilling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105108201A (en) | 2015-12-02 |
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Inventor after: Liu Haiyan Inventor before: Liao Changrong |
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Effective date of registration: 20171114 Address after: 241300, A building, building 2018, competition Incubation Park, Nanling Economic Development Zone, Wuhu, Anhui Applicant after: Nanling Wangke Intellectual Property Management Co., Ltd. Address before: 402764 Chongqing city Bishan County Dingjia Town Economic Development Zone in the sand Applicant before: Chongqing Minfa Automobile Fittings Co., Ltd. |
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