CN105127477A - Method for drilling holes in small end of exhaust manifold of automobile - Google Patents
Method for drilling holes in small end of exhaust manifold of automobile Download PDFInfo
- Publication number
- CN105127477A CN105127477A CN201510617791.7A CN201510617791A CN105127477A CN 105127477 A CN105127477 A CN 105127477A CN 201510617791 A CN201510617791 A CN 201510617791A CN 105127477 A CN105127477 A CN 105127477A
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- China
- Prior art keywords
- exhaust manifold
- positioning seat
- drill bit
- transmission case
- cylinder
- Prior art date
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Links
- 238000005553 drilling Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 51
- 230000001808 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 230000000875 corresponding Effects 0.000 claims description 8
- 210000002683 Foot Anatomy 0.000 claims description 7
- 241000274582 Pycnanthus angolensis Species 0.000 claims description 3
- 239000011087 paperboard Substances 0.000 claims description 3
- 230000001737 promoting Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001360 synchronised Effects 0.000 description 1
Classifications
-
- 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
- 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
Abstract
The invention discloses a method for drilling holes in a small end of an exhaust manifold of an automobile. The method comprises the step a as follows: a drilling tool is arranged on a base, a mounting seat is arranged at the left part of a horizontal bottom plate of the drilling tool, and a transmission case is arranged on the top surface of the mounting seat; a motor is mounted at the top of the transmission case and drives a transmission shaft to rotate; the right end of the transmission shaft is fixedly sleeved with a driving large gear constantly meshed with three driven pinions, and driving shafts are fixedly sleeved with the three driven pinions respectively; the right end of each driving shaft is coaxially connected with a drill bit through a drill bit connecting assembly; a first positioning column is arranged at the left front part of the top surface of an exhaust manifold positioning seat, and a second positioning column is arranged at the right back part of the top surface of the exhaust manifold positioning seat; three front positioning pins are arranged on the right side of the first positioning column from left to right side by side, and three back positioning pins are arranged on the left side of the second positioning column from right to left side by side. With the adoption of the method, three mounting holes can be drilled in the exhaust manifold simultaneously, thus, the position requirement of the three mounting holes can be well guaranteed.
Description
Technical field
The invention belongs to automobile gas exhausting manifold branch manufacture field, particularly relate to the little head end boring method of a kind of automobile gas exhausting manifold branch.
Background technology
Exhaust manifold is the vitals of automobile engine exhaust system, and its little head end has 4 installing holes, and the axial line of these 3 installing holes parallels, and position is close.Current processing method is holed one by one, and such processing mode not only working (machining) efficiency is low, and the position degree in 3 holes cannot Reliable guarantee, for this reason above-mentioned technical barrier of urgent need solution.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of automobile gas exhausting manifold branch little head end boring method, for boring 3 installing holes at little head end simultaneously.
Technical scheme of the present invention is as follows: the little head end boring method of a kind of automobile gas exhausting manifold branch, is characterized in that comprising the steps:
Step a a: drilling tool is set on pedestal, this drilling tool comprises horizonal base plate (1), motor (5) and exhaust manifold positioning seat (15), wherein horizonal base plate (1) is rectangular slab, and this horizonal base plate is bolted on pedestal by T-shaped; The left part of described horizonal base plate (1) is installed with a mount pad (2), mount pad end face is provided with a transmission case (3), the guide rail (2a) of this transmission case bottom surface and mount pad (2) end face is slidably matched, and transmission case (3) can move left and right along this guide rail; The mount pad (2) of described transmission case (3) left is horizontally installed with one and promotes cylinder (4), piston rod right-hand member and described transmission case (3) left side of this promotion cylinder are fixed, thus promotion transmission case (3) moves left and right; Described motor (5) is arranged on transmission case (3) top, the driving pulley of this motor output shaft left end is connected with the driven pulley on power transmission shaft (7) by driving-belt (6), and the left part of this power transmission shaft and middle part are by the installing hole of bearings on transmission case (3); Described power transmission shaft (7) right-hand member reaches in connecting box (8), and this connecting box is located at described transmission case (3) the right, and is fixed with this transmission case by the level connection joint post (9) circumferentially arranged; The right-hand member of described power transmission shaft (7) is installed with an initiatively gear wheel (10), this active gear wheel often engages with 3 driven pinion (11), these 3 driven pinion are solidly set on a corresponding driving shaft (12) respectively, the left end of these 3 driving shafts and right part respectively by bearings on the boxboard that described connecting box (8) is corresponding; The right-hand member of driving shaft (12) described in every root is coaxially connected with the afterbody of a drill bit (13) by a drill bit coupling assembling, this drill bit coupling assembling is arranged on taper connection bucket (14) right-hand member, and taper connection bucket (14) left end is fixedly connected with described connecting box (8) right-hand member;
Described exhaust manifold positioning seat (15) is located at connecting box (8) front-right, and is fixed on the end face of described horizonal base plate (1), and the end face of this exhaust manifold positioning seat is left low right high inclined-plane; The left rear vertical of described exhaust manifold positioning seat (15) end face is provided with the first locating dowel (16), the right front vertical of this exhaust manifold positioning seat end face is provided with the second locating dowel (17), the diameter of these two locating dowels is identical, and either flush, the first locating dowel (16) end face is positioned at the below of a bottom described drill bit (13); The right of described first locating dowel (16) has 3 prelocalization pins (18) from left to right side by side, described second locating dowel (17) left from the right side turn left have 3 side by side after alignment pin (19), the equal diameters of these alignment pins, and be less than the diameter of described first locating dowel (16), and the either flush of all alignment pins, and lower than the end face of the first locating dowel (16);
Described exhaust manifold positioning seat (15) left front is provided with the first cylinder (20), this exhaust manifold positioning seat right back is provided with the second cylinder (21), these two cylinders are all vertically located on the end face of described horizonal base plate (1), and the piston rod upper end of first and second cylinder (20,21) is all fixed with one piece of horizontal pressure foot (22), these two pieces of horizontal pressure foots are used for exhaust manifold to be pressed on exhaust manifold positioning seat (15);
Step b: be first positioned on exhaust manifold positioning seat (15) by exhaust manifold by first and second locating dowel described (16,17) and forward and backward alignment pin (18,19), is restarted described first and second cylinder (20,21) and exhaust manifold is pressed on exhaust manifold positioning seat (15); Secondly, start described promotion cylinder (4) and motor (5), to hole on exhaust manifold, after boring puts in place, control motor (5) reversion, and the piston rod promoting cylinder (4) is retracted, and then controls first and second cylinder (20,21) and is unclamped by exhaust manifold, finally taken off from exhaust manifold positioning seat (15) by exhaust manifold.
In technique scheme, exhaust manifold is positioned on exhaust manifold positioning seat (15) by the first locating dowel (16), the second locating dowel (17), prelocalization pin (18) and rear alignment pin (19), and is compressed by two pieces of horizontal pressure foots (22).During boring, the power of motor (5) is delivered on 3 driving shafts (12) by power transmission shaft (7), thus drives 3 drill bit synchronous axial system.Promote cylinder (4) promotion transmission case (3) to move right simultaneously, thus drive 3 drill bit axial feeds, and then realize boring.
Adopt above technical scheme, this method can bore 3 installing holes on exhaust manifold simultaneously, fixed by the relative distance between 3 drill bits, also without repeated clamping exhaust manifold and location drill bit, so just can ensure the position degree requirement of 3 installing holes well, the defect of holing one by one before avoiding well, and the drilling tool structure that this boring method adopts is simple, easy to implement.
As preferably, described drill bit coupling assembling comprises interior adapter sleeve (23) and clamping screw (26), wherein the centre bore of interior adapter sleeve (23) is flat hole, flat side's section tight fit of this flat hole and described driving shaft (12) right-hand member and drill bit (13) afterbody; Described interior adapter sleeve (23) is arranged on by bearing in the centre bore of outer adapter sleeve (24), the outer wall of this outer adapter sleeve is installed with a radial block (25), radial block has a bar hole (25a) along its length; Described clamping screw (26), through after the bar hole (25a) on the bolt through-hole on taper connection bucket (14) and radial block (25), is set with a clamp nut (27).
Adopt above structure, so just effectively can connect driving shaft (12) and drill bit (13), to ensure the reliable of transmission, and can ensure that drill bit freely rotates, and this modular construction is simple, easy to implement.In addition, the drill bit after can also better wearing and tearing quickly and easily is time saving and energy saving.
In the present case, a drill bit positioning seat (28) is provided with in the middle of described connecting box (8) and exhaust manifold positioning seat (15), this drill bit positioning seat is fixed on the end face of described horizonal base plate (1), and being separately installed with a drill bushing (29) in 3 installing holes on drill bit positioning seat, 3 described drill bits (13) are each passed through the centre bore of corresponding drill bushing (29).
Adopt above structure, so just more effectively can prevent from, during the head boring of drill bit, violent shake occurs, thus effectively ensure borehole accuracy.
In order to more effectively realize location and support, 3 described prelocalization pins (18) and rear alignment pin (19) equidistantly arrange by spy.
Beneficial effect: the present invention can bore 3 installing holes on exhaust manifold simultaneously, fixed by the relative distance between 3 drill bits, so just can ensure the position degree requirement of 3 installing holes well, the defect of holing one by one before avoiding well, and the drill bit in this boring method drilling tool used connects reliable, convenient to disassembly.
Accompanying drawing explanation
Fig. 1 is drilling tool structural representation of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the partial enlarged drawing of part A in Fig. 1.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
The little head end boring method of a kind of automobile gas exhausting manifold branch, is characterized in that comprising the steps:
Step a a: drilling tool is set on pedestal, as shown in Figure 1, 2, 3, this drilling tool is primarily of the formation such as horizonal base plate 1, mount pad 2, transmission case 3, promotion cylinder 4, motor 5, driving-belt 6, power transmission shaft 7, connecting box 8, level connection joint post 9, initiatively gear wheel 10, driven pinion 11, driving shaft 12, drill bit 13 and taper connection bucket 14.Wherein, horizonal base plate 1 is rectangular slab, and this horizonal base plate 1 is fixed on pedestal (attached not shown in FIG.) by tommyhead bolt.Be installed with a mount pad 2 at the left part of horizonal base plate 1, mount pad 2 end face is provided with a transmission case 3, the guide rail 2a of this transmission case 3 bottom surface and mount pad 2 end face is slidably matched, and transmission case 3 can move left and right along this guide rail 2a.The mount pad 2 of transmission case 3 left is horizontally installed with one and promotes cylinder 4, piston rod right-hand member and transmission case 3 left side of this promotion cylinder 4 are fixed, thus promotion transmission case 3 moves left and right.Motor 5 is arranged on transmission case 3 top, and the driving pulley of this motor 5 output shaft left end is connected with the driven pulley on power transmission shaft 7 by driving-belt 6, and the left part of this power transmission shaft 7 and middle part are by the installing hole of bearings on transmission case 3.
As shown in Figure 1, 2, power transmission shaft 7 right-hand member reaches in connecting box 8, and this connecting box 8 is located at the right of transmission case 3, and is fixed by 8 level connection joint posts circumferentially arranged 9 and this transmission case 8.The right-hand member of power transmission shaft 7 is installed with an initiatively gear wheel 10, this active gear wheel often engages with 3 driven pinion 11, these 3 driven pinion 11 are solidly set on a corresponding driving shaft 12 respectively, the left end of these 3 driving shafts 12 and right part respectively by bearings on the boxboard of connecting box 8 correspondence.The right-hand member of every root driving shaft 12 is coaxially connected with the afterbody of a drill bit 13 by a drill bit coupling assembling, and this drill bit coupling assembling is arranged on taper connection bucket 14 right-hand member, and taper connection bucket 14 left end is fixedly connected with connecting box 8 right-hand member.
Drill bit coupling assembling is made up of interior adapter sleeve 23, outer adapter sleeve 24, radial block 25, clamping screw 26 and clamp nut 27, wherein the centre bore of interior adapter sleeve 23 is the combination bore of being small at both ends and big in the middle, and two is flat hole, the flat hole on the left side and flat side's section tight fit of driving shaft 12 right-hand member, flat side's section tight fit of the flat hole on the right of interior adapter sleeve 23 centre bore and drill bit 13 afterbody.Interior adapter sleeve 23 is arranged in the centre bore of outer adapter sleeve 24 by bearing, the outer wall of this outer adapter sleeve 24 is installed with a radial block 25, radial block has a bar hole 25a along its length.Clamping screw 26, through after the bolt through-hole on taper connection bucket 14 and the bar hole 25a on radial block 25, is set with a clamp nut 27.
Also can find out from Fig. 1,2, exhaust manifold positioning seat 15 is located at the front-right of connecting box 8, and is fixed on the end face of horizonal base plate 1, and the end face of this exhaust manifold positioning seat 15 is left low right high inclined-plane.The left rear vertical of exhaust manifold positioning seat 15 end face is provided with the first locating dowel 16, the right front vertical of this exhaust manifold positioning seat 15 end face is provided with the second locating dowel 17, the diameter of these two locating dowels is identical, and either flush, and the end face of the second locating dowel 17 and the top surface being parallel of exhaust manifold positioning seat 15.Further, the first locating dowel 16 end face is positioned at the below of a bottom drill bit 13.The right of the first locating dowel 16 has 3 prelocalization pins 18 from left to right side by side, second locating dowel 17 left from the right side turn left have 3 side by side after alignment pin 19, the equal diameters of these alignment pins, and be less than the diameter of the first locating dowel 16, and the either flush of all alignment pins, and with the top surface being parallel of exhaust manifold positioning seat 15.Further, the end face of prelocalization pin 18 and rear alignment pin 19 is lower than the end face of the first locating dowel 16.Meanwhile, 3 prelocalization pins 18 and rear alignment pin 19 are equidistantly arranged.
Exhaust manifold positioning seat 15 left front is provided with the first cylinder 20, the right back of this exhaust manifold positioning seat 15 is provided with the second cylinder 21, these two cylinders are all vertically located on the end face of horizonal base plate 1, and the piston rod upper end of the first cylinder 20 and the second cylinder 21 is all fixed with one piece of horizontal pressure foot 22, these two pieces of horizontal pressure foots 22 are for being pressed on exhaust manifold positioning seat 15 by exhaust manifold.Be provided with a drill bit positioning seat 28 in the middle of connecting box 8 and exhaust manifold positioning seat 15, this drill bit positioning seat 28 is fixed on the end face of horizonal base plate 1.Be separately installed with a drill bushing 29 in 3 installing holes on drill bit positioning seat 28, the large footpath section of this drill bushing 29 right-hand member 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.
Step b: be first positioned on exhaust manifold positioning seat 15 by exhaust manifold by described first locating dowel 16, second locating dowel 17, prelocalization pin 18, rear alignment pin 19, is restarted described first cylinder 20, second cylinder 21 and exhaust manifold is pressed on exhaust manifold positioning seat 15; Secondly, start and promote cylinder 4 and motor 5, to hole on exhaust manifold, after boring puts in place, control motor 5 and reverse, and the piston rod promoting cylinder 4 is retracted, then control first and second cylinder 20,21 exhaust manifold is unclamped, finally exhaust manifold is taken off from exhaust manifold positioning seat 15.In stepb, the macroscopic mode of Main Basis sees that the drilling depth of drill bit judges whether boring puts in place.
The foregoing is only preferred embodiment of the present invention, is not restriction with the present invention, and all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. the little head end boring method of automobile gas exhausting manifold branch, is characterized in that comprising the steps:
Step a a: drilling tool is set on pedestal, this drilling tool comprises horizonal base plate (1), motor (5) and exhaust manifold positioning seat (15), wherein horizonal base plate (1) is rectangular slab, and this horizonal base plate is bolted on pedestal by T-shaped; The left part of described horizonal base plate (1) is installed with a mount pad (2), mount pad end face is provided with a transmission case (3), the guide rail (2a) of this transmission case bottom surface and mount pad (2) end face is slidably matched, and transmission case (3) can move left and right along this guide rail; The mount pad (2) of described transmission case (3) left is horizontally installed with one and promotes cylinder (4), piston rod right-hand member and described transmission case (3) left side of this promotion cylinder are fixed, thus promotion transmission case (3) moves left and right; Described motor (5) is arranged on transmission case (3) top, the driving pulley of this motor output shaft left end is connected with the driven pulley on power transmission shaft (7) by driving-belt (6), and the left part of this power transmission shaft and middle part are by the installing hole of bearings on transmission case (3); Described power transmission shaft (7) right-hand member reaches in connecting box (8), and this connecting box is located at described transmission case (3) the right, and is fixed with this transmission case by the level connection joint post (9) circumferentially arranged; The right-hand member of described power transmission shaft (7) is installed with an initiatively gear wheel (10), this active gear wheel often engages with 3 driven pinion (11), these 3 driven pinion are solidly set on a corresponding driving shaft (12) respectively, the left end of these 3 driving shafts and right part respectively by bearings on the boxboard that described connecting box (8) is corresponding; The right-hand member of driving shaft (12) described in every root is coaxially connected with the afterbody of a drill bit (13) by a drill bit coupling assembling, this drill bit coupling assembling is arranged on taper connection bucket (14) right-hand member, and taper connection bucket (14) left end is fixedly connected with described connecting box (8) right-hand member;
Described exhaust manifold positioning seat (15) is located at connecting box (8) front-right, and is fixed on the end face of described horizonal base plate (1), and the end face of this exhaust manifold positioning seat is left low right high inclined-plane; The left rear vertical of described exhaust manifold positioning seat (15) end face is provided with the first locating dowel (16), the right front vertical of this exhaust manifold positioning seat end face is provided with the second locating dowel (17), the diameter of these two locating dowels is identical, and either flush, the first locating dowel (16) end face is positioned at the below of a bottom described drill bit (13); The right of described first locating dowel (16) has 3 prelocalization pins (18) from left to right side by side, described second locating dowel (17) left from the right side turn left have 3 side by side after alignment pin (19), the equal diameters of these alignment pins, and be less than the diameter of described first locating dowel (16), and the either flush of all alignment pins, and lower than the end face of the first locating dowel (16);
Described exhaust manifold positioning seat (15) left front is provided with the first cylinder (20), this exhaust manifold positioning seat right back is provided with the second cylinder (21), these two cylinders are all vertically located on the end face of described horizonal base plate (1), and the piston rod upper end of first and second cylinder (20,21) is all fixed with one piece of horizontal pressure foot (22), these two pieces of horizontal pressure foots are used for exhaust manifold to be pressed on exhaust manifold positioning seat (15);
Step b: be first positioned on exhaust manifold positioning seat (15) by exhaust manifold by first and second locating dowel described (16,17) and forward and backward alignment pin (18,19), is restarted described first and second cylinder (20,21) and exhaust manifold is pressed on exhaust manifold positioning seat (15); Secondly, start described promotion cylinder (4) and motor (5), to hole on exhaust manifold, after boring puts in place, control motor (5) reversion, and the piston rod promoting cylinder (4) is retracted, and then controls first and second cylinder (20,21) and is unclamped by exhaust manifold, finally taken off from exhaust manifold positioning seat (15) by exhaust manifold.
2. the little head end boring method of automobile gas exhausting manifold branch according to claim 1, it is characterized in that: described drill bit coupling assembling comprises interior adapter sleeve (23) and clamping screw (26), wherein the centre bore of interior adapter sleeve (23) is flat hole, flat side's section tight fit of this flat hole and described driving shaft (12) right-hand member and drill bit (13) afterbody; Described interior adapter sleeve (23) is arranged on by bearing in the centre bore of outer adapter sleeve (24), the outer wall of this outer adapter sleeve is installed with a radial block (25), radial block has a bar hole (25a) along its length; Described clamping screw (26), through after the bar hole (25a) on the bolt through-hole on taper connection bucket (14) and radial block (25), is set with a clamp nut (27).
3. the little head end boring method of automobile gas exhausting manifold branch according to claim 1, it is characterized in that: in the middle of described connecting box (8) and exhaust manifold positioning seat (15), be provided with a drill bit positioning seat (28), this drill bit positioning seat is fixed on the end face of described horizonal base plate (1), and being separately installed with a drill bushing (29) in 3 installing holes on drill bit positioning seat, 3 described drill bits (13) are each passed through the centre bore of corresponding drill bushing (29).
4. the little head end boring method of automobile gas exhausting manifold branch according to claim 1, is characterized in that: 3 described prelocalization pins (18) and rear alignment pin (19) are equidistantly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510617791.7A CN105127477B (en) | 2015-09-24 | 2015-09-24 | The small head end boring method of automobile gas exhausting manifold branch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510617791.7A CN105127477B (en) | 2015-09-24 | 2015-09-24 | The small head end boring method of automobile gas exhausting manifold branch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105127477A true CN105127477A (en) | 2015-12-09 |
| CN105127477B CN105127477B (en) | 2017-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510617791.7A Active CN105127477B (en) | 2015-09-24 | 2015-09-24 | The small head end boring method of automobile gas exhausting manifold branch |
Country Status (1)
| Country | Link |
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| CN (1) | CN105127477B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5909906A (en) * | 1995-09-19 | 1999-06-08 | Intermac S.R.L. | Glass plate automatic drilling and milling machine |
| 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 |
| CN203791665U (en) * | 2014-03-03 | 2014-08-27 | 郑州煤电股份有限公司超化煤矿 | Bidirectional gang 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 |
-
2015
- 2015-09-24 CN CN201510617791.7A patent/CN105127477B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5909906A (en) * | 1995-09-19 | 1999-06-08 | Intermac S.R.L. | Glass plate automatic drilling and milling machine |
| 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 |
| CN203791665U (en) * | 2014-03-03 | 2014-08-27 | 郑州煤电股份有限公司超化煤矿 | Bidirectional gang 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 |
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| Publication number | Publication date |
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| CN105127477B (en) | 2017-12-01 |
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Inventor after: Zhang Honggui Inventor before: Liao Changrong |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20171101 Address after: Jinwan Road Economic Development Zone in Baoying County of Jiangsu province Yangzhou City, No. 205, 225800 Applicant after: Jiangsu Keda Car Industry 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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