CN104827072B - A kind of porous rig - Google Patents
A kind of porous rig Download PDFInfo
- Publication number
- CN104827072B CN104827072B CN201510168708.2A CN201510168708A CN104827072B CN 104827072 B CN104827072 B CN 104827072B CN 201510168708 A CN201510168708 A CN 201510168708A CN 104827072 B CN104827072 B CN 104827072B
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- gear
- drive shaft
- box
- counter drive
- counter
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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
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/28—Drill jigs for workpieces
-
- 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
- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0078—Safety devices protecting the operator, e.g. against accident or noise
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
- Structure Of Transmissions (AREA)
Abstract
The present invention relates to machining equipment field, more particularly to a kind of porous rig, a kind of porous rig, including lathe bed and the radial drilling machine being installed on lathe bed and porous synchronous frock; be provided with gear-box on radial drilling machine; the input of gear-box and the output axis connection of radial drilling machine, the output end of gear-box are provided with ten drill-bit installing seats；Porous synchronous frock is installed on the underface of gear-box, and gear-box is connected by lead with porous synchronous frock；Porous synchronous frock is provided with ten drilling stations, and ten drilling stations correspond with ten drill-bit installing seats, of the invention to coordinate porous synchronous frock to realize synchronous drilling and the requirement of synchronous threading by gear-box, makes the steering of all drill bits consistent with rotating speed；The unstable impulsive force in drilling and tapping process has effectively been buffered by the spring on lead and spring cylinder simultaneously, has avoided drill bit in depth drill operation from breaking or eject.
Description
Technical field
The present invention relates to machining equipment field, more particularly to a kind of porous rig.
Background technology
It is often regular on gear box casing that many mounting holes are distributed with, such installation is opened up on gear box casing
The job note one in hole and cumbersome, existing radial drilling machine equipment can be only done the drilling and tapping work of single mounting hole, behaviour
Need to readjust the location of workpiece or by controlling the position of the output shaft of radial drilling machine to go to bore after often boring a hole as personnel
Another hole, workload are very big.
Occurs special porous rig in the production process of gear box casing, but this kind equipment is due to tooth
Roller box design is unreasonable, causes the steering of multiple output shafts inconsistent, causes the inconsistent phenomenon of the rotation direction of multiple drill bits,
So that this kind equipment needs to configure two kinds of drill bits to coordinate the inconsistent situation of steering of output shaft, between this reason, this
Kind equipment is only used for drilling, it is impossible to be used in tapping, in order to avoid cause the hand of spiral of screwed hole inconsistent, to gear box casing
Installation causes trouble.
In addition, fluctuation of the existing porous rig not for active force in machine drilling and tapping process is delayed
Punching, so that often there is drill bit in porous synchronous operation or screw tap breaks, the drill bit or screw tap to break rests on change
Gear box casing is caused to scrap in fast tank shell, if drill bit or the screw tap ejection to break easily causes the person of operating personnel
Injury.
Therefore, it is necessary to which a kind of improved porous rig ensures that the steering of all drill bits is consistent with rotating speed, to meet bore more
The synchronous drilling of head and the requirement of device to hole synchronous threading.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of multi-hole drill.
To solve the above problems, the present invention provides following technical scheme：
A kind of porous rig, including lathe bed and the radial drilling machine and porous synchronous frock that are installed on lathe bed, it is described
Gear-box, the output axis connection of the input of the gear-box and the radial drilling machine, the gear are installed on radial drilling machine
The output end of case is provided with ten drill-bit installing seats；The porous synchronous frock is installed on the underface of the gear-box, the tooth
Roller box is connected by lead with the porous synchronous frock；The porous synchronous frock is provided with ten drilling stations, described
Ten drilling stations correspond with described ten drill-bit installing seats.
Further, the porous synchronous frock include bottom plate, top plate and be installed between the bottom plate and top plate two
Individual spring cylinder；Described ten drilling stations are installed on the top plate；Pilot hole is offered on the top plate.
Further, the gear-box includes upper box, lower box and intermediate plate；The both sides of the lower box are integrally formed
There is guide pillar mounting seat, the lead is installed in the guide pillar mounting seat；Spring is arranged with the lead.
Further, the first final drive shaft is provided with by bearing between the upper box and the intermediate plate；In described
Between the first transmission group and the second transmission group are provided with by bearing between plate and the lower box；One on first final drive shaft
It is body formed to have the first main drive gear and the second main drive gear；First main drive gear connects with first transmission group
Connect, second main drive gear is connected with second transmission group.
Further, first transmission group includes second be installed on by bearing between the intermediate plate and lower box
Final drive shaft and the first counter drive shaft group with second final drive shaft drive connection；The input of second final drive shaft
End is provided with the 3rd main drive gear by alignment pin, and the 3rd main drive gear engages with first main drive gear；
Also integrally formed with the 4th main drive gear, the 5th main drive gear and the 6th of equidistantly distributed on second final drive shaft
Main drive gear.
Further, the first counter drive shaft group includes the first counter drive shaft, the second counter drive shaft, the 3rd auxiliary driving
Axle, the 4th counter drive shaft, the 5th counter drive shaft, the 6th counter drive shaft and the 7th counter drive shaft；One on first counter drive shaft
It is body formed to have the first auxiliary driving gear engaged with the 4th main drive gear；Second counter drive shaft, the 3rd auxiliary driving
Respectively integrally formed with the second auxiliary driving gear engaged with the 5th main drive gear, the 3rd on axle and the 4th counter drive shaft
Auxiliary driving gear and fourth officer travelling gear；On 5th counter drive shaft, the 6th counter drive shaft and the 7th counter drive shaft respectively
Integrally formed with the 5th auxiliary driving gear, the 6th auxiliary driving gear and the 7th auxiliary driving engaged with the 6th main drive gear
Gear；The output end of the first described counter drive shaft to the 7th counter drive shaft is mounted on the drill-bit installing seat.
Further, second transmission group includes the 3rd be installed on by bearing between the intermediate plate and lower box
Final drive shaft and the second counter drive shaft group with the 3rd final drive shaft drive connection；The input of 3rd final drive shaft
End is provided with the 7th main drive gear by alignment pin, and the 7th main drive gear engages with second main drive gear；
Also integrally formed with the 8th main drive gear on 3rd final drive shaft.
Further, the second counter drive shaft group includes the 8th counter drive shaft, the 9th counter drive shaft and the tenth auxiliary driving
Axle；On 8th counter drive shaft, the 9th counter drive shaft and the tenth counter drive shaft respectively integrally formed with the 8th main biography
The 8th auxiliary driving gear, the 9th auxiliary driving gear and the tenth auxiliary driving gear of moving gear engagement；8th counter drive shaft is extremely
The drill-bit installing seat is mounted in the output end of tenth counter drive shaft.
Beneficial effect：A kind of porous rig of the present invention coordinates porous synchronous frock to realize together by the gear-box
Step drilling and the requirement of synchronous threading, make the steering of all drill bits consistent with rotating speed；Pass through the spring and bullet on lead simultaneously
Spring cylinder has effectively buffered the unstable impulsive force in drilling and tapping process, avoid in depth drill operation drill bit break or
Ejection, effectively reduces percent defective, avoids the generation of industrial accident.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention；
Fig. 2 is the dimensional structure diagram of the porous synchronous frock of the present invention；
Fig. 3 is the decomposition texture schematic diagram of the gear-box of the present invention；
Fig. 4 is the decomposition texture schematic diagram of the first transmission group of the present invention；
Fig. 5 is the decomposition texture schematic diagram of the second transmission group of the present invention；
Description of reference numerals：Lathe bed 1, radial drilling machine 2, hole synchronization frock 3, gear-box 4, upper box 41, lower box 42, lead
To post mounting seat 42a, intermediate plate 43, lead 5, spring cylinder 6, drill-bit installing seat 7, the first final drive shaft 8, the first main transmission
Gear 81, the second main drive gear 82, the second final drive shaft 9, the 3rd main drive gear 9a, the 4th main drive gear 9b, the 5th
The main drive gear counter drive shaft 10 of 9c, the 6th main drive gear 9d, first, the first auxiliary driving gear 10a, the second counter drive shaft
11, the second auxiliary driving gear 11a, the 3rd counter drive shaft 12, the 3rd auxiliary driving gear 12a, the 4th counter drive shaft 13, fourth officer pass
Moving gear 13a, the 5th counter drive shaft 14, the 5th auxiliary driving gear 14a, the 6th counter drive shaft 15, the 6th width travelling gear 15a,
7th counter drive shaft 16, the 7th auxiliary driving gear 16a, the 3rd final drive shaft 17, the 7th main drive gear 17a, the 8th main transmission
Gear 17b, the 8th counter drive shaft 18, the 8th auxiliary driving gear 18a, the 9th counter drive shaft 19, the 9th auxiliary driving gear 19a, the
Ten auxiliary driving gears 20, the tenth auxiliary driving gear 20a.
Specific embodiment
With reference to Figure of description and embodiment, the specific embodiment of the present invention is described in further detail：
A kind of porous rig shown in 1~Fig. 5 of reference picture, including lathe bed 1 and the radial drilling machine that is installed on lathe bed 1
2 and porous synchronous frock 3, gear-box 4, input and the radial drill of the gear-box 4 are installed on the radial drilling machine 2
The output axis connection of bed 2, the output end of the gear-box 4 are provided with ten drill-bit installing seats 7；The porous synchronous frock 3 is installed
In the underface of the gear-box 4, the gear-box 4 is connected by lead 5 with the porous synchronous frock 3；It is described porous
Synchronous frock 3 is provided with ten drilling stations, and described ten drilling stations correspond with described ten drill-bit installing seats 7.
The porous synchronous frock 3 includes bottom plate, top plate and two spring gas being installed between the bottom plate and top plate
Cylinder 6；Described ten drilling stations are installed on the top plate；Pilot hole is offered on the top plate.
Further, the gear-box 4 includes upper box 41, lower box 42 and intermediate plate 43；The two of the lower box 42
Integrally formed with lead mounting seat 42a, the lead 5 is installed on the lead mounting seat 42a for side；The lead 5
On be arranged with spring.
It is worth noting that, the spring cylinder 6 and the spring that is installed on the lead 5 can to drilling or
Unstable impulsive force is effectively buffered in tapping process, is avoided drill bit or screw tap from bursting apart and cause workpiece to scrap, is also prevented
Only drill bit or the screw tap ejection that breaks causes industrial accident.
First final drive shaft 8 is provided with by bearing between the upper box 41 and the intermediate plate 43；The intermediate plate
First transmission group and the second transmission group are provided with by bearing between 43 and the lower box 42；On first final drive shaft 8
Integrally formed with the first main drive gear 81 and the second main drive gear 82；First main drive gear 81 passes with described first
Dynamic group connection, second main drive gear 82 are connected with second transmission group.
First transmission group includes the second main biography being installed on by bearing between the intermediate plate 43 and lower box 42
Moving axis 9 and the first counter drive shaft group with second final drive shaft 9 drive connection；The input of second final drive shaft 9
End is provided with the 3rd main drive gear 9a, the 3rd main drive gear 9a and first main drive gear 81 by alignment pin
Engagement；Also integrally formed with the 4th main drive gear 9b, the 5th main transmission tooth of equidistantly distributed on second final drive shaft 9
Take turns 9c and the 6th main drive gear 9d.
The first counter drive shaft group includes the first counter drive shaft 10, the second counter drive shaft 11, the 3rd counter drive shaft 12, the
Four counter drive shafts 13, the 5th counter drive shaft 14, the 6th counter drive shaft 15 and the 7th counter drive shaft 16；First counter drive shaft 10
On integrally formed with the first auxiliary driving gear 10a engaged with the 4th main drive gear 9b；Second counter drive shaft 11,
Respectively integrally formed with engaged with the 5th main drive gear 9c on 3rd counter drive shaft 12 and the 4th counter drive shaft 13
Second mate's travelling gear 11a, the 3rd auxiliary driving gear 12a and fourth officer travelling gear 13a；5th counter drive shaft the 14, the 6th
It is secondary integrally formed with the 5th engaged with the 6th main drive gear 9d respectively on the counter drive shaft 16 of counter drive shaft 15 and the 7th
Travelling gear 14a, the 6th auxiliary driving gear and the 7th auxiliary driving gear 16a；The first described counter drive shaft 10 is to the described 7th
The output end of counter drive shaft 16 is mounted on the drill-bit installing seat 7.
Second transmission group includes the 3rd main biography being installed on by bearing between the intermediate plate 43 and lower box 42
Moving axis 17 and the second counter drive shaft group with the 3rd final drive shaft 17 drive connection；3rd final drive shaft 17 it is defeated
Enter end and the 7th main drive gear 17a, the 7th main drive gear 17a and the second main transmission tooth are provided with by alignment pin
The engagement of wheel 82；Also integrally formed with the 8th main drive gear 17b on 3rd final drive shaft 17.
The second counter drive shaft group includes the 8th counter drive shaft 18, the 9th counter drive shaft 19 and the tenth counter drive shaft 20；
Led respectively integrally formed with the described 8th on 8th counter drive shaft 18, the 9th counter drive shaft 19 and the tenth counter drive shaft 20
The 8th auxiliary driving gear 18a, the 9th auxiliary driving gear 19a and the tenth auxiliary driving gear 20a of travelling gear 17b engagements；It is described
The drill-bit installing seat 7 is mounted in 8th counter drive shaft 18 to the output end of the tenth counter drive shaft 20.
Wherein, first main drive gear 81 is identical with the number of teeth of the 3rd described main drive gear 9a；Accordingly, institute
The second main drive gear 82 stated is identical with the number of teeth of the 4th described main drive gear 9b, with the second final drive shaft described in this
9 and the rotating speed and torque all same of the 3rd described final drive shaft 17.
The 4th main drive gear 9b, the 5th main drive gear 9c and the 6th main transmission on the second described final drive shaft 9
The identical gear 9d number of teeth is M tooth；Described the first auxiliary driving gear 10a, the second auxiliary driving gear 11a, the 3rd secondary pass
Moving gear 12a, fourth officer travelling gear 13a, the 5th auxiliary driving gear 14a, the 6th auxiliary driving gear and the 7th auxiliary driving gear
Also all same is M tooth to 16a；Similarly, described the 8th auxiliary driving gear 18a, the 9th auxiliary driving gear 19a and the tenth secondary biography
Identical moving gear 20a and the 7th main drive gear the 17a number of teeth is N.
With this, thus drill-bit installing seat 7 rotating speed it is consistent with steering, and the torque of equal size can be exported, can
To install the drill bit of unified specification model and screw tap, the labor intensity of artificial drilling and tapping is greatly reduced, is passed with solving
The multi-hole drill equipment drill bit of system turns to inconsistent phenomenon, and the output torque size of all drill bits is identical also to effectively prevent drill bit
The phenomenon to break.
The above described is only a preferred embodiment of the present invention, any limit not is made to the technical scope of the present invention
System, therefore any subtle modifications, equivalent variations and modifications that every technical spirit according to the present invention is made to above example,
In the range of still falling within technical scheme.
Claims (4)
1. a kind of porous rig, including lathe bed (1) and the radial drilling machine (2) and porous synchronous work that are installed on lathe bed (1)
Fill (3), it is characterised in that：Gear-box (4) is installed on the radial drilling machine (2), the input of the gear-box (4) with it is described
The output axis connection of radial drilling machine (2), the output end of the gear-box (4) are provided with ten drill-bit installing seats (7)；It is described porous same
Step frock (3) is installed on the underface of the gear-box (4), and the gear-box (4) passes through lead (5) and the porous synchronous
Frock (3) connects；The porous synchronous frock (3) is provided with ten drilling stations, described ten drilling stations with described ten
Drill-bit installing seat (7) corresponds；The porous synchronous frock (3) includes bottom plate, top plate and is installed on the bottom plate and top plate
Between two spring cylinders (6)；Described ten drilling stations are installed on the top plate；Guiding is offered on the top plate
Hole；The gear-box (4) includes upper box (41), lower box (42) and intermediate plate (43)；The both sides one of the lower box (42)
Body formed to have lead mounting seat (42a), the lead (5) is installed on the lead mounting seat (42a)；The guiding
Post is arranged with spring on (5)；The first main transmission is provided with by bearing between the upper box (41) and the intermediate plate (43)
Axle (8)；The first transmission group and the second transmission group are provided with by bearing between the intermediate plate (43) and the lower box (42)；
Integrally formed with the first main drive gear (81) and the second main drive gear (82) on first final drive shaft (8)；Described
One main drive gear (81) is connected with first transmission group, and second main drive gear (82) connects with second transmission group
Connect；First transmission group includes the second main transmission being installed on by bearing between the intermediate plate (43) and lower box (42)
Axle (9) and the first counter drive shaft group with second final drive shaft (9) drive connection；Second final drive shaft (9)
Input is provided with the 3rd main drive gear (9a), the 3rd main drive gear (9a) and the described first main biography by alignment pin
Moving gear (81) engages；Also integrally formed with the 4th main drive gear of equidistantly distributed on second final drive shaft (9)
(9b), the 5th main drive gear (9c) and the 6th main drive gear (9d).
A kind of 2. porous rig according to claim 1, it is characterised in that：It is secondary that the first counter drive shaft group includes first
Power transmission shaft (10), the second counter drive shaft (11), the 3rd counter drive shaft (12), the 4th counter drive shaft (13), the 5th counter drive shaft
(14), the 6th counter drive shaft (15) and the 7th counter drive shaft (16)；On first counter drive shaft (10) integrally formed with institute
State the first auxiliary driving gear (10a) of the 4th main drive gear (9b) engagement；Second counter drive shaft (11), the 3rd auxiliary driving
It is secondary integrally formed with second engaged with the 5th main drive gear (9c) respectively on axle (12) and the 4th counter drive shaft (13)
Travelling gear (11a), the 3rd auxiliary driving gear (12a) and fourth officer travelling gear (13a)；5th counter drive shaft (14),
Nibbled respectively integrally formed with the 6th main drive gear (9d) on 6th counter drive shaft (15) and the 7th counter drive shaft (16)
The 5th auxiliary driving gear (14a), the 6th auxiliary driving gear (15a) and the 7th auxiliary driving gear (16a) closed；Described first is secondary
Power transmission shaft (10) to the output end of the 7th counter drive shaft (16) is mounted on the drill-bit installing seat (7).
A kind of 3. porous rig according to claim 1, it is characterised in that：Second transmission group includes pacifying by bearing
Loaded on the 3rd final drive shaft (17) between the intermediate plate (43) and lower box (42) and with the 3rd final drive shaft
(17) the second counter drive shaft group of drive connection；The input of 3rd final drive shaft (17) is provided with the 7th by alignment pin
Main drive gear (17a), the 7th main drive gear (17a) are engaged with second main drive gear (82)；Described 3rd
Also integrally formed with the 8th main drive gear (17b) on final drive shaft (17).
A kind of 4. porous rig according to claim 3, it is characterised in that：It is secondary that the second counter drive shaft group includes the 8th
Power transmission shaft (18), the 9th counter drive shaft (19) and the tenth counter drive shaft (20)；8th counter drive shaft (18), the 9th auxiliary driving
It is secondary integrally formed with the 8th engaged with the 8th main drive gear (17b) respectively on axle (19) and the tenth counter drive shaft (20)
Travelling gear (18a), the 9th auxiliary driving gear (19a) and the tenth auxiliary driving gear (20a)；8th counter drive shaft (18) is extremely
The drill-bit installing seat (7) is mounted in the output end of tenth counter drive shaft (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168708.2A CN104827072B (en) | 2015-04-10 | 2015-04-10 | A kind of porous rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168708.2A CN104827072B (en) | 2015-04-10 | 2015-04-10 | A kind of porous rig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104827072A CN104827072A (en) | 2015-08-12 |
| CN104827072B true CN104827072B (en) | 2018-03-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510168708.2A Active CN104827072B (en) | 2015-04-10 | 2015-04-10 | A kind of porous rig |
Country Status (1)
| Country | Link |
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| CN (1) | CN104827072B (en) |
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| CN107716977B (en) * | 2017-11-20 | 2024-04-02 | 高邮市鑫顺机械制造有限公司 | Bench drilling machine that safety protection performance is high |
| CN113245598B (en) * | 2021-04-30 | 2024-07-16 | 长沙五七一二飞机工业有限责任公司 | Adjustable drilling jig device for copying hole sites of old parts and use method |
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| US3794436A (en) * | 1971-10-27 | 1974-02-26 | Rowlar Mfg Co | Machine tool having plural interchangeable transmissions |
| CN2041218U (en) * | 1988-05-26 | 1989-07-19 | 杭州叉车总厂科学技术协会 | Processing device with double working stations for multi-axis holes |
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| CN202045385U (en) * | 2011-04-29 | 2011-11-23 | 温州市蒙拉妮鞋业有限公司 | Multifunctional drilling and milling device for special shoe tree drilling and milling machine for upper joint injection molding shoe |
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| CN102806371A (en) * | 2012-09-04 | 2012-12-05 | 浙江中柴机器有限公司 | Special drilling machine for processing porous gear |
| CN104148696A (en) * | 2014-08-20 | 2014-11-19 | 成都市龙泉通惠实业有限责任公司 | Back cover plate machining device with high precision |
| CN204657524U (en) * | 2015-04-10 | 2015-09-23 | 宁波以赛亚汽车空压机有限公司 | A kind of multi-hole drill equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3794436A (en) * | 1971-10-27 | 1974-02-26 | Rowlar Mfg Co | Machine tool having plural interchangeable transmissions |
| CN2041218U (en) * | 1988-05-26 | 1989-07-19 | 杭州叉车总厂科学技术协会 | Processing device with double working stations for multi-axis holes |
| CN201208657Y (en) * | 2007-12-26 | 2009-03-18 | 济宁力科液压有限责任公司 | Full-automatic hydraulic porous drill machine |
| CN202045385U (en) * | 2011-04-29 | 2011-11-23 | 温州市蒙拉妮鞋业有限公司 | Multifunctional drilling and milling device for special shoe tree drilling and milling machine for upper joint injection molding shoe |
| CN202151711U (en) * | 2011-06-29 | 2012-02-29 | 宁波以赛亚汽车空压机有限公司 | Fixing clamp for drilling crankcases |
| CN102806371A (en) * | 2012-09-04 | 2012-12-05 | 浙江中柴机器有限公司 | Special drilling machine for processing porous gear |
| CN104148696A (en) * | 2014-08-20 | 2014-11-19 | 成都市龙泉通惠实业有限责任公司 | Back cover plate machining device with high precision |
| CN204657524U (en) * | 2015-04-10 | 2015-09-23 | 宁波以赛亚汽车空压机有限公司 | A kind of multi-hole drill equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104827072A (en) | 2015-08-12 |
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Effective date of registration: 20201217 Address after: 536 Dewang Road, Zhangpu Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: JIANGSU CHANGJIANG WATER PUMP Co.,Ltd. Address before: No.168, Huiquan Road, Fenghua Economic Development Zone, Ningbo, Zhejiang 315500 Patentee before: NINGBO ISAIAH AUTO-AIR COMPRESSORS Co.,Ltd. |