CN107571122B - Camshaft cross slid platform grinding machine - Google Patents
Camshaft cross slid platform grinding machine Download PDFInfo
- Publication number
- CN107571122B CN107571122B CN201710801276.3A CN201710801276A CN107571122B CN 107571122 B CN107571122 B CN 107571122B CN 201710801276 A CN201710801276 A CN 201710801276A CN 107571122 B CN107571122 B CN 107571122B
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- Prior art keywords
- sliding rail
- grinding wheel
- polishing
- tailstock
- electric sliding
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- 238000005498 polishing Methods 0.000 claims abstract description 92
- 230000005611 electricity Effects 0.000 claims abstract description 34
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000009966 trimming Methods 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims 1
- 239000010432 diamond Substances 0.000 claims 1
- 230000008439 repair process Effects 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000012535 impurity Substances 0.000 description 7
- 230000002457 bidirectional effect Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Landscapes
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a kind of camshaft cross slid platform grinding machines, including pedestal, clamping device, workpiece polishing mechanism and digital control system are fixedly connected on pedestal, clamping device includes the first electric sliding rail, headstock and tailstock, first electric sliding rail is fixedly connected on pedestal, headstock and tailstock are slidably connected on the first electric sliding rail, and headstock is provided with first top on the side of tailstock, and it is top that tailstock is provided with second on the side of headstock；Workpiece polishing mechanism includes polishing grinding wheel, first motor and polishing grinding wheel platform, first motor is fixedly connected on polishing grinding wheel platform, the second electric sliding rail parallel with the first electric sliding rail is provided on pedestal, polishing grinding wheel platform is far from being provided with the third electricity sliding rail vertical with the second electric sliding rail on the one side of first motor, sliding block is provided between second electric sliding rail and third electricity sliding rail, sliding block is slidably connected on the second electric sliding rail and third electricity sliding rail.The present invention adjusts the position fast and easy of camshaft and grinding wheel of polishing, and camshaft grinding efficiency is higher.
Description
Technical field
The present invention relates to auto parts and components technical field of processing equipment more particularly to a kind of camshaft cross slid platform grinding machines.
Background technique
Camshaft is widely used in the engines such as gasoline engine or diesel engine, to control switch or the intake and exhaust of injection pump
The opening and closing of valve, the quality of processing quality directly decide the working performance of engine.
Camshaft is generally formed by die casting, and the camshaft surface cast is generally all very coarse, but camshaft exists
It runs at high speed in engine, needs very high smoothness, the grinding finishing of camshaft is usually ground by numerically controlled cam shaft at present
Camshaft is placed in clamping device by bed grinding, when grinding, drive workpiece rotation by clamping device, by workpiece polishing mechanism into
It links to movement and the rotary motion of workpiece, satisfactory camshaft can be processed.
But for camshaft grinding machine because when adjusting the position of camshaft and grinding wheel of polishing, it is inconvenient not only to adjust at present,
And adjusting also very slowly, causes the grinding efficiency of entire camshaft relatively low.
Summary of the invention
In view of this, the object of the present invention is to provide the position fast and easy of a kind of adjustment camshaft and grinding wheel of polishing, it is convex
The higher camshaft cross slid platform grinding machine of wheel shaft grinding efficiency.
The present invention solves above-mentioned technical problem by following technological means:
Camshaft cross slid platform grinding machine, including pedestal are fixedly connected with clamping device, grinding machine structure and numerical control system on pedestal
System, clamping device include the first electric sliding rail, headstock and tailstock, and the first electric sliding rail is fixedly connected on pedestal, headstock and tailstock
Bottom is provided with sliding slot, and headstock and tailstock are slidably connected on the first electric sliding rail, and headstock is arranged on the side of tailstock
Have first top, it is top that tailstock is provided with second on the side of headstock；Grinding machine structure includes grinding abrasive disk, first motor and frosted
Take turns platform, first motor is fixedly connected on grinding abrasive disk platform, and grinding abrasive disk is driven by first motor to be rotated, be provided on pedestal with
The second parallel electric sliding rail of first electric sliding rail, grinding abrasive disk platform on the one side of first motor far from being provided with and the second electric sliding rail
Vertical third electricity sliding rail is provided with sliding block between the second electric sliding rail and third electricity sliding rail, it is sliding that sliding block is slidably connected at the second electricity
On rail and third electricity sliding rail；First electric sliding rail, the second electric sliding rail, third electricity sliding rail, first motor are electrically connected with digital control system.
What is reached has the technical effect that, this programme when in use, can be by the first electric sliding rail, so that headstock and tailstock can be with
Sliding, achievees the purpose that move back and forth camshaft, then by the second electric sliding rail and third electricity sliding rail, may be implemented to polish
The horizontal and vertical of grinding wheel platform slidably reciprocates, and then adjusts the polishing position of polishing grinding wheel and camshaft, is not used only non-
Normal convenience, and pass through the Bidirectional slide of clamping device and workpiece polishing mechanism, so that polishing is more efficient.
Further, the slot trimming mechanism of polishing grinding wheel is also fixedly connected on the headstock, the slot trimming mechanism includes second
Motor and grinding wheel, second motor are fixedly connected on headstock, and the grinding wheel is driven by the second motor to be rotated, institute
The second motor is stated to be electrically connected with digital control system.The width of polishing grinding wheel is generally wider than the width of cam, and therefore, polishing grinding wheel is the
After polishing under the drive of one motor the cam on camshaft, because of the friction between cam and polishing grinding wheel, sand of polishing
It just will appear groove on the centre of the buffed surface of wheel, cause the buffed surface of polishing grinding wheel no longer smooth, to will affect camshaft
Polishing, at this point it is possible to use on slot trimming mechanism grinding wheel air exercise grinding abrasive disk carry out equating.
Further, the grinding wheel is skive.Skive hardness is high, and compression strength is high, and wearability is very
It is good, make to use it to air exercise grinding abrasive disk to polish, grinding efficiency is high, itself abrasion is small, and the service life is longer.
Further, the described second electric sliding rail and third electricity sliding rail are two, and described two second electric sliding rails are arranged in parallel,
Two thirds electricity sliding rail is arranged in parallel.By the way that the second electric sliding rail that two are parallel to each other and the third electricity being parallel to each other is arranged
The support of sliding rail, grinding abrasive disk platform of fighting each other is more steady, and the stability for grinding wheel platform of polishing is more preferable, when polishing camshaft, beats
Grinding abrasive disk will not shake, and the grinding effect of camshaft is more preferable.
Further, telescoping mechanism is provided on the tailstock, top on the tailstock is fixedly connected on telescoping mechanism.
It when installing camshaft, can be shunk first with telescoping mechanism, the top of the top separate headstock of tailstock places camshaft
After between headstock and tailstock, telescoping mechanism elongation is recycled, is clamped camshaft using top between headstock and tailstock,
Facilitate the installation of camshaft.
Further, the telescoping mechanism includes cylinder, the inside of the tailstock be it is hollow, tailstock is arranged in the cylinder
It is hollow in, be provided on the tailstock with it is hollow be connected to and with the first top first through hole being equipped with, described second is top
It is fixedly connected on the output shaft of cylinder, described second top is slidably connected with first through hole inner wall.Second is driven using cylinder
Top carry out stretching motion, it is simple to operate.
Further, it is arranged fluted on the pedestal between the described first electric sliding rail and the second electric sliding rail, is set on the pedestal
It is equipped with the second through-hole communicated with groove.The impurity such as iron filings that polishing grinding wheel carries out polishing generation to camshaft can enter recessed
It in slot, is then discharged by the second through-hole, the impurity of polishing is avoided to be deposited between the first electric sliding rail and the second electric sliding rail and need
It individually to clear up, in this way, labour can be saved.
Further, the water pipe sprayed water to polishing grinding wheel is provided with above the polishing grinding wheel.The water that water pipe sprays can be with
The high temperature of bad student cools down when to grinder buffing.
Further, the polishing grinding wheel is biplate polishing grinding wheel.The grinding efficiency of biplate polishing grinding wheel is higher.
Beneficial effects of the present invention:
1, this programme slides headstock and tailstock, reaching can be by camshaft back and forth by the first electric sliding rail
The purpose of movement, then by the second electric sliding rail and third electricity sliding rail, the horizontal and vertical of polishing grinding wheel platform may be implemented and come
Sliding is returned, and then adjusts polishing grinding wheel to the polishing position of camshaft, is not used only very convenient, and passes through clamping device
With the Bidirectional slide of workpiece polishing mechanism so that polishing it is more efficient.
2, the stability of this programme workpiece polishing mechanism is more preferable, and polishing grinding wheel will not shake when polishing, and camshaft is polished matter
It measures.
3, this programme passes through the setting of groove and through-hole, and the iron filings impurity polished can transfer out automatically, no
It needs individually to handle, saves labour.
4, when this programme clamps camshaft, fast and easy is clamped, clamping is firm.
Detailed description of the invention
Fig. 1 is the main view of camshaft cross slid platform grinding machine of the present invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the side view of Fig. 1.
Wherein, the electric sliding rail 2 of pedestal 1, first, headstock 3, tailstock 4, first top 5, second top 6, polishing grinding wheel 7, first
Motor 8, polishing grinding wheel platform 9, second electric sliding rail 10, third electricity sliding rail 11, sliding block 12, the second motor 13, grinding wheel 14, gas
Cylinder 15, groove 16, the second through-hole 17, water pipe 18, camshaft 19.
Specific embodiment
Below with reference to attached drawing, the present invention is described in detail:
It is as shown in Figs. 1-3:
Camshaft cross slid platform grinding machine, including pedestal 1 are fixedly connected with clamping device, workpiece polishing mechanism and numerical control on pedestal 1
System, clamping device include the first electric sliding rail 2, headstock 3 and tailstock 4, and the first electric sliding rail 2 is fixedly connected on pedestal 1, headstock 3
It is provided with sliding slot with the bottom of tailstock 4, headstock 3 and tailstock 4 are slidably connected on the first electric sliding rail 2, and headstock 3 is close to tailstock
First top 5 is provided on 4 side, tailstock 4 is provided with second top 6 on the side of headstock 3；Workpiece polishing mechanism includes beating
Grinding abrasive disk 7, first motor 8 and polishing 7 platform of grinding wheel, first motor 8 are fixedly connected on polishing 7 platform of grinding wheel, grinding wheel 7 of polishing
It is driven and is rotated by first motor 8, the second electric sliding rail 10 parallel with the first electric sliding rail 2 is provided on pedestal 1, polishing grinding wheel 7 is flat
Platform is provided with the third electricity sliding rail 11 vertical with the second electric sliding rail 10, the second electric sliding rail 10 on the one side far from first motor 8
Sliding block 12 is provided between third electricity sliding rail 11, sliding block 12 is slidably connected on the second electric sliding rail 10 and third electricity sliding rail 11；
The first electric sliding rail 10 of electric sliding rail 2, second, third electricity sliding rail 11, first motor 8 are electrically connected with digital control system.When in use, may be used
Slide headstock 3 and tailstock 4, achieve the purpose that move back and forth camshaft 19 by the first electric sliding rail 2,
Again by the second electric sliding rail 10 and third electricity sliding rail 11, polishing the horizontal and vertical of 7 platform of grinding wheel may be implemented and slidably reciprocate,
And then adjust the polishing position of polishing grinding wheel 7 and camshaft 19, be not used only it is very convenient, and by clamping device and beating
The Bidirectional slide of grinding machine structure, so that polishing is more efficient.
The slot trimming mechanism of polishing grinding wheel 7 is also fixedly connected on headstock 3, slot trimming mechanism includes the second motor 13 and reconditioning sand
Wheel 14, the second motor 13 is fixedly connected on headstock 3, and grinding wheel 14 is driven by the second motor 13 to be rotated, the second motor 13 with
Digital control system electrical connection.The width of polishing grinding wheel 7 is generally wider than the width of cam, and therefore, grinding wheel 7 of polishing is in first motor 8
After polishing under drive the cam on camshaft 19, because of the friction between cam and polishing grinding wheel 7, polishing grinding wheel 7
It just will appear groove 16 on the centre of buffed surface, cause the buffed surface of polishing grinding wheel 7 no longer smooth, to will affect camshaft 19
Polishing, at this point it is possible to which grinding wheel 14 on slot trimming mechanism grinding abrasive disk 7 of fighting each other is used to carry out equating.
Grinding wheel 14 is skive.Skive hardness is high, and compression strength is high, and wearability is fine, uses it
To fight each other, grinding abrasive disk 7 is polished, and grinding efficiency is high, itself abrasion is small, and the service life is longer.
Second electric sliding rail 10 and third electricity sliding rail 11 are two, and two second electric sliding rails, 10, two third electricity sliding rails
11 are arranged in parallel.Pass through two parallel second electric sliding rails 10 of setting and third electricity sliding rail 11, the branch for 7 platform of grinding abrasive disk of fighting each other
Support is more steady, and the stability for 7 platform of grinding wheel of polishing is more preferable, and when polishing camshaft 19, polishing grinding wheel 7 will not shake,
The grinding effect of camshaft 19 is more preferable.
Telescoping mechanism is provided on tailstock 4, top on tailstock 4 is fixedly connected on telescoping mechanism.In installation camshaft
It when 19, can be shunk first with telescoping mechanism, by the top of the top separate headstock 3 of tailstock 4, camshaft 19 is placed on headstock
After between 3 and tailstock 4, telescoping mechanism elongation is recycled, is clamped camshaft 19 using top between headstock 3 and tailstock 4,
Facilitate the installation of camshaft 19.
Telescoping mechanism includes cylinder 15, the inside of tailstock 4 be it is hollow, cylinder 15 be arranged in tailstock 4 it is hollow in, tailstock 4
On be provided with and be fixedly connected on cylinder 15 with the hollow first through hole being connected to and be equipped with first top 5, second top 6
On output shaft, second top 6 is slidably connected with first through hole inner wall.Second top 6 is driven to carry out stretching motion using cylinder 15,
It is simple to operate.
Be arranged fluted 16 on pedestal 1 between first electric sliding rail 2 and the second electric sliding rail 10, be provided on pedestal 1 with it is recessed
The second through-hole 17 that slot 16 communicates.The impurity such as iron filings that polishing grinding wheel 7 carries out polishing generation to camshaft 19 can enter recessed
In slot 16, be then discharged by the second through-hole 17, avoid the impurity of polishing be deposited in the first electric sliding rail 2 and the second electricity sliding rail 10 it
Between and need individually cleaning, in this way, labour can be saved.
The top of polishing grinding wheel 7 is provided with the water pipe 18 sprayed water to polishing grinding wheel 7.The water that water pipe 18 sprays can be to grinding wheel
The high temperature of bad student cools down when polishing.
Grinding wheel 7 of polishing is biplate polishing grinding wheel 7.The grinding efficiency of biplate polishing grinding wheel 7 is higher.
Application method of the invention is as follows:
Before polishing, starting cylinder 15, camshaft 19 is placed between first top 5 and second top 6 by the contraction of cylinder 15,
Then cylinder 15 extends, and camshaft 19 is clamped.
In use, digital control system can be allowed headstock 3 and tailstock 4 to slide, be reached by the electric sliding rail 2 of control first
The purpose that camshaft 19 can be moved back and forth, then by the electric sliding rail 10 of control second and third electricity sliding rail 11, may be implemented to beat
The horizontal and vertical of 7 platform of grinding abrasive disk slidably reciprocates, and then adjusts polishing grinding wheel 7 to the polishing position of camshaft 19, not only
Using Bidirectional slide that is very convenient, and passing through clamping device and workpiece polishing mechanism, so that polishing is more efficient.
Polishing grinding wheel 7, which carries out the impurity such as the iron filings of polishing generation to camshaft 19, can enter in groove 16, then lead to
The discharge of the second through-hole 17 is crossed, the impurity of polishing is avoided to be deposited between the first electric sliding rail 2 and the second electric sliding rail 10 and need independent
Cleaning.
The above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to preferred embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that, it can modify to technical solution of the present invention
Or equivalent replacement should all cover without departing from the objective and range of technical solution of the present invention in claim of the invention
In range.Technology not described in detail in the present invention, shape, construction portion are well-known technique.
Claims (6)
1. camshaft cross slid platform grinding machine, including pedestal, clamping device, workpiece polishing mechanism and numerical control are fixedly connected on the pedestal
System, it is characterised in that: the clamping device includes the first electric sliding rail, headstock and tailstock, and the described first electric sliding rail is fixedly connected
On pedestal, the bottom of the headstock and tailstock is provided with sliding slot, and it is sliding that the headstock and tailstock are slidably connected at the first electricity
On rail, the headstock is provided with first top on the side of tailstock, and the tailstock is provided on the side of headstock
Two is top；The workpiece polishing mechanism includes that polishing grinding wheel, first motor and polishing grinding wheel platform, the first motor are fixedly connected on
It polishes on grinding wheel platform, the polishing grinding wheel is driven by first motor to be rotated, and is provided on the pedestal flat with the first electric sliding rail
The electric sliding rail of capable second, the polishing grinding wheel platform are vertical with the second electric sliding rail far from being provided on the one side of first motor
Third electricity sliding rail, is provided with sliding block between the described second electric sliding rail and third electricity sliding rail, the sliding block is slidably connected at the second electricity
On sliding rail and third electricity sliding rail；The first electric sliding rail, the second electric sliding rail, third electricity sliding rail, first motor are and digital control system
Electrical connection；The slot trimming mechanism of polishing grinding wheel is also fixedly connected on the headstock, the slot trimming mechanism includes the second motor and repairs
Grinding abrasive disk, second motor are fixedly connected on headstock, and the grinding wheel is driven by the second motor to be rotated, second electricity
Machine is electrically connected with digital control system；The grinding wheel is diamond polishing grinding wheel；Described second electric sliding rail and third electricity sliding rail are equal
It is two, described two second electric sliding rails are arranged in parallel, and two thirds electricity sliding rail is arranged in parallel.
2. camshaft cross slid platform grinding machine according to claim 1, it is characterised in that: be provided with telescopic machine on the tailstock
Structure, described second top is fixedly connected on telescoping mechanism.
3. camshaft cross slid platform grinding machine according to claim 2, it is characterised in that: the telescoping mechanism includes cylinder,
The inside of the tailstock be it is hollow, the cylinder be arranged in tailstock it is hollow in, be provided on the tailstock with it is hollow be connected to and
With the first top first through hole being equipped with, described second it is top be fixedly connected on the output shaft of cylinder, it is described second top
Point is slidably connected with first through hole inner wall.
4. camshaft cross slid platform grinding machine according to claim 3, it is characterised in that: the described first electric sliding rail and the second electricity
It is arranged fluted on pedestal between sliding rail, the second through-hole communicated with groove is provided on the pedestal.
5. camshaft cross slid platform grinding machine according to claim 4, it is characterised in that: the top setting of the polishing grinding wheel
The water pipe of oriented polishing grinding wheel water spray.
6. camshaft cross slid platform grinding machine according to claim 1-5, it is characterised in that: the polishing grinding wheel is
Biplate polishing grinding wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710801276.3A CN107571122B (en) | 2017-09-07 | 2017-09-07 | Camshaft cross slid platform grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710801276.3A CN107571122B (en) | 2017-09-07 | 2017-09-07 | Camshaft cross slid platform grinding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107571122A CN107571122A (en) | 2018-01-12 |
| CN107571122B true CN107571122B (en) | 2019-07-02 |
Family
ID=61031607
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710801276.3A Active CN107571122B (en) | 2017-09-07 | 2017-09-07 | Camshaft cross slid platform grinding machine |
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| Country | Link |
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| CN (1) | CN107571122B (en) |
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| CN110757325A (en) * | 2018-10-12 | 2020-02-07 | 吉林瑞铭机电设备有限公司 | Full-automatic vertical rack longitudinal polishing machine |
| CN109454516A (en) * | 2018-12-18 | 2019-03-12 | 湖南固虹机械制造有限公司 | A kind of resin tile production surface angle lapping device |
| CN110595314A (en) * | 2019-09-11 | 2019-12-20 | 南京捷思汽车科技有限公司 | Automobile camshaft end face detection device and method |
| CN112025486B (en) * | 2020-08-25 | 2022-04-15 | 镤伟科技(深圳)有限公司 | Numerical control full-automatic machine tool special for cam |
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| CN101444893A (en) * | 2008-12-18 | 2009-06-03 | 潍坊潍柴零部件机械有限公司 | Device for grinding camshafts |
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| CN203908483U (en) * | 2014-06-12 | 2014-10-29 | 神龙汽车有限公司 | Cam shaft oil sealing neck polishing line detection device |
| CN105437032A (en) * | 2015-12-15 | 2016-03-30 | 北京博鲁斯潘精密机床有限公司 | Ultrahigh-precision numerically-controlled non-circular curved surface composite grinder |
| CN105598815A (en) * | 2016-03-18 | 2016-05-25 | 南安市蒂巧工艺品有限公司 | Shaft part polishing equipment capable of collecting dust and using method thereof |
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- 2017-09-07 CN CN201710801276.3A patent/CN107571122B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0938398A4 (en) * | 1996-09-03 | 1999-12-08 | Unova Ind Automation Sys Inc | Variable volume coolant system |
| CN101444893A (en) * | 2008-12-18 | 2009-06-03 | 潍坊潍柴零部件机械有限公司 | Device for grinding camshafts |
| CN101585162A (en) * | 2009-07-03 | 2009-11-25 | 湖南大学 | Numerically controlled grinder suitable for multi-station composite grinding of cam axle |
| CN201511304U (en) * | 2009-10-10 | 2010-06-23 | 马勒三环气门驱动(湖北)有限公司 | Cooling component provided with bundled high-pressure nozzle |
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| Publication number | Publication date |
|---|---|
| CN107571122A (en) | 2018-01-12 |
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Denomination of invention: Camshaft cross slide grinder Effective date of registration: 20210205 Granted publication date: 20190702 Pledgee: Bank of Jinhua Limited by Share Ltd. science and Technology Branch Pledgor: ZHEJIANG BOXING INDUSTRY AND TRADE Co.,Ltd. Registration number: Y2021330000126 |
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Date of cancellation: 20230210 Granted publication date: 20190702 Pledgee: Bank of Jinhua Limited by Share Ltd. science and Technology Branch Pledgor: ZHEJIANG BOXING INDUSTRY AND TRADE Co.,Ltd. Registration number: Y2021330000126 |
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Denomination of invention: Camshaft cross slide grinding machine Effective date of registration: 20230314 Granted publication date: 20190702 Pledgee: Bank of Jinhua Limited by Share Ltd. science and Technology Branch Pledgor: ZHEJIANG BOXING INDUSTRY AND TRADE Co.,Ltd. Registration number: Y2023980034781 |
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Granted publication date: 20190702 Pledgee: Bank of Jinhua Limited by Share Ltd. science and Technology Branch Pledgor: ZHEJIANG BOXING INDUSTRY AND TRADE Co.,Ltd. Registration number: Y2023980034781 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Camshaft cross slide grinding machine Granted publication date: 20190702 Pledgee: Bank of Jinhua Limited by Share Ltd. science and Technology Branch Pledgor: ZHEJIANG BOXING INDUSTRY AND TRADE Co.,Ltd. Registration number: Y2024980007094 |
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