CN105751116A - Clamping device for cam sheet on assembly type cam shaft - Google Patents
Clamping device for cam sheet on assembly type cam shaft Download PDFInfo
- Publication number
- CN105751116A CN105751116A CN201610223634.2A CN201610223634A CN105751116A CN 105751116 A CN105751116 A CN 105751116A CN 201610223634 A CN201610223634 A CN 201610223634A CN 105751116 A CN105751116 A CN 105751116A
- Authority
- CN
- China
- Prior art keywords
- cam
- clamping
- self
- cam bit
- clamping module
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a clamping device for a cam sheet on an assembly type cam shaft. The clamping device comprises a cam sheet first clamping module (2), a cam sheet second clamping module (4), a driving mechanism and a reset mechanism, wherein flexible clamping devices are respectively mounted on the cam sheet first clamping module (2) and the cam sheet second clamping module (4), and are in direct contact with and lock a cam sheet (3); each flexible clamping device comprises an excitation device and a flexible clamping body made from magnetorheology materials, the excitation device is connected with an external direct current power supply through a wire, one surface of the flexible clamping body is connected with the excitation device, and the other surface of the flexible clamping body is closely adhered on the surface of the side wall of the cam sheet (3). By adopting the structure of the clamping device for the cam sheet on the assembly type cam shaft, on one hand, the cam sheet can be more stably clamped; on the other hand, the clamping device is more suitable for locating and closely clamping different-sized irregular-shaped cam sheets; therefore, the production efficiency is improved, and the costs are lower.
Description
Technical field
The present invention relates to the technical field of camshaft processing, be especially the clamping device of a kind of assembled cam shaft overhead cam sheet.
Background technology
The manufacture method of traditional camshaft is mainly solid forging or casting, cam and axle are an entirety, therefore there is following shortcoming in this camshaft: owing to the mach operation after camshaft is various, allowance is just big, so can cause whole camshaft Heavy Weight, waste of material is many, is not easy to manufacture.Now the more commonly used have assembled cam shaft, and its key technology is the method for attachment of cam sleeve and axle.It is generally adopted the mounting and clamping system on the operating platform being fixedly mounted on assembly machine at present.Cam bit operationally, is first placed on flat board by this mounting and clamping system, then passes through and screws adjusting bolt and fix cam bit, and cam bit adjusts the position limited.Therefore, it is present in a lot of problem:
1) the time-consuming length of this mounting and clamping system, production efficiency are low.And for producing the professional production producer of camshaft in a large number, annual yield can reach tens thousand of even nearly million, adopt this conventional machining device and processing method then can consume substantial amounts of activity time, it is substantially reduced production efficiency, increase production cost, and be difficult in adapt to the clamping of the cam bit of different model and size；
2) it addition, along with the progress of technology, the demand of product is increasingly tended to changeable and diversified by people, it is embodied in that new product is more and more, product refers to more and more less；And these demands propose great challenge to manufacturing enterprise, these traditional mechanical type cam bit fixtures are all standardized, and disassembly process is each through manually realizing, therefore, fixture for the shape of workpiece single, the adaptive surface of workpiece shapes is narrow, and automaticity is relatively low simultaneously；
3) global shape of assembled cam bit is generally one end is semicircle, the other end is the shape being similar to Fructus Persicae point, centre be provided with camshaft assembling press-fit endoporus, being differently sized of the cam bit on the camshaft of different model, but overall structure is constant；In prior art, the clamping device of hard contact can not adapt to the situation that product size changes, but needs redesign to manufacture fixture, and so, what add frock clamp manufactures and designs the time, extends the Operational preparation time.
Summary of the invention
The technical problem to be solved is to provide a kind of clamping device that can be suitably used for disposable type sizing-Cam sheet clamping, simple in construction, assembled cam shaft overhead cam sheet that automaticity is high.
For solving above-mentioned technical problem, the clamping device of assembled cam shaft overhead cam sheet provided by the invention, including cam bit the first self-clamping module being arranged on pedestal, cam bit the second self-clamping module, the driving mechanism forming the cavity placing cam bit for making cam bit the first self-clamping module and cam bit the second self-clamping module open, and for making cam bit the first self-clamping module and cam bit the second self-clamping module closed pair cam bit form the resetting-mechanism of clamping；Described cam bit the first self-clamping module is respectively mounted the flexible holding device for directly contacting with cam bit and locking with in cam bit the second self-clamping module, the flexible clamping body that this flexible holding device includes excitation unit and magnetorheological materials is made, excitation unit is connected with external dc power by wire, flexible clamping body one side is connected with excitation unit, and another side sidewall surfaces with cam bit under the effect of excitation unit is close to.
Described cam bit the first self-clamping module is U-shaped grip block, and it is positioned at the semicircle side of cam bit, and is fixedly connected on one end of pedestal；Described cam bit the second self-clamping module is V-type grip block, and it is positioned at the pointed side of Fructus Persicae of cam bit, and is slidably connected at the other end of pedestal.
Described excitation unit includes iron core and magnet exciting coil, iron core is connected in cam bit the first self-clamping module or cam bit the second self-clamping module, magnet exciting coil is wound on iron core, and the magnet exciting coil in cam bit the first self-clamping module and cam bit the second self-clamping module is each connected with DC source respectively through wire.
Described flexible clamping body includes groove body, sheet rubber and magnetic rheological body, and the side of groove body is connected with iron core, and magnetic rheological body is filled in groove body, and the opposite side of groove body and sheet rubber are tightly connected, and sheet rubber is close to cam bit when clamping work.
Described magnetic rheological body is mixed by high molecular polymer matrix and carbonyl iron dust, and wherein high molecular polymer matrix is 3:7 with the mass percent of carbonyl iron dust.
In described groove body, groove depth is 8mm, and the thickness of sheet rubber is 1mm.
Described driving mechanism is the two groups of cylinder assemblies being positioned at cam bit both sides respectively, the cylinder seat of cylinder assembly is arranged on the pedestal of cam bit the first self-clamping module side, and the piston rod free end of cylinder assembly is connected towards one end of cam bit the first self-clamping module with cam bit the second self-clamping module；Two groups of cylinder assemblies lay respectively at the both sides of cam bit the first self-clamping module.
Described resetting-mechanism includes groups of springs and spring base, and spring base is connected on the pedestal of cam bit the second self-clamping module side, and one end of groups of springs is connected with spring base, and the other end is connected with the end of cam bit the second self-clamping module.
After adopting above structure, the present invention compared with prior art, has the advantage that
1) include, owing to this device have employed, the flexible holding device that the flexible clamping system that excitation unit makes becomes with magnetorheological materials, by flexible clamping body, the good parcel property of cam bit sidewall surfaces is carried out clamp cam sheet, therefore, cam bit can more stably be clamped on the one hand, it is more applicable for location and the clamping of various sizes of erose cam bit on the other hand, thus improving production efficiency, lower in cost；
2) use of magnetic rheological body, can under the action of a magnetic field of excitation unit and control, the apparent viscosity of fluid can change sensitively and increase rapidly, until under a certain magnetic field intensity, stop flowing reaching to solidify, and there is some attribute of solid, namely there is shear-stable ability, and this effect is reversible controlled and highly sensitive, in other words, it not only has the mobility of fluid but also has the magnetic of solid ferromagnetic material, can control to hold it in optional position by magnetic field, outside magnetic field can control lower its viscosity of change；Therefore, the magnetic field size of excitation unit generation can be changed by regulating the size of DC supply input power supply, realize the clamping to the irregular cam bit of geometry adaptively, having the cam bit that trace changes to realize flexible clamping profile and size in low rigidity, clamping process, magnetic rheological body controls simplicity, response rapidly under the action of a magnetic field simultaneously.
Accompanying drawing explanation
Fig. 1 is the partial structurtes schematic diagram of the clamping device of assembled cam shaft overhead cam sheet of the present invention.
Fig. 2 is the fragmentary top TV structure schematic diagram of the clamping device of assembled cam shaft overhead cam sheet of the present invention.
Fig. 3 is the structural representation of resetting-mechanism in the present invention.
Fig. 4 is the structural representation of flexible holding device in the present invention.
Wherein, 1, pedestal；2, cam bit the first self-clamping module；3, cam bit；4, cam bit the second self-clamping module；5, cylinder assembly；6, groups of springs；7, spring base；8, wire；9, iron core；10, magnet exciting coil；11, groove body；12, magnetic rheological body；13, sheet rubber.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in more detail.
The structural representation of the clamping device of the assembled cam shaft overhead cam sheet of the present invention shown in Fig. 1～Fig. 4, it includes cam bit the first self-clamping module 2, cam bit the second self-clamping module 4 that are arranged on pedestal 1, the driving mechanism forming the cavity placing cam bit 3 for making cam bit the first self-clamping module 2 and cam bit the second self-clamping module 4 open, and for making cam bit the first self-clamping module 2 and cam bit the second self-clamping module 4 closed pair cam bit 3 form the resetting-mechanism of clamping.Described cam bit the first self-clamping module 2 is mounted on the flexible holding device for directly contacting with cam bit 3 and locking with in cam bit the second self-clamping module 4, the flexible clamping body that this flexible holding device includes excitation unit and magnetorheological materials is made, excitation unit is connected with external dc power by wire, flexible clamping body one side is connected with excitation unit, and another side is close to the sidewall surfaces of cam bit 3 under the effect of excitation unit.
Described cam bit the first self-clamping module 2 is U-shaped grip block, and it is positioned at the semicircle side of cam bit 3, and is fixedly connected on one end of pedestal 1.Described cam bit the second self-clamping module 4 is V-type grip block, and it is positioned at the pointed side of Fructus Persicae of cam bit 3, and is slidably connected at the other end of pedestal 1.
Described excitation unit includes iron core 9 and magnet exciting coil 10, iron core 9 is connected in cam bit the first self-clamping module 2 or cam bit the second self-clamping module 4, magnet exciting coil 10 is wound on iron core 9, and the magnet exciting coil 10 in cam bit the first self-clamping module 2 and cam bit the second self-clamping module 4 is each connected with DC source respectively through wire 7.
Described flexible clamping body includes groove body 11, sheet rubber 13 and magnetic rheological body 12, the side of groove body 11 is connected with iron core 9, magnetic rheological body 12 is filled in groove body 11, and the opposite side of groove body 11 and sheet rubber 13 are tightly connected, and sheet rubber 13 is close to cam bit 3 when clamping work.
Described magnetic rheological body 12 is mixed by high molecular polymer matrix and carbonyl iron dust, and wherein high molecular polymer matrix is 3:7 with the mass percent of carbonyl iron dust.
In described groove body 11, groove depth is 8mm, and the thickness of sheet rubber 13 is 1mm.
Described driving mechanism is the two groups of cylinder assemblies 5 being positioned at cam bit 3 both sides respectively, the cylinder seat of cylinder assembly 5 is arranged on the pedestal 1 of cam bit the first self-clamping module 2 side, and the piston rod free end of cylinder assembly 5 is connected towards one end of cam bit the first self-clamping module 2 with cam bit the second self-clamping module 4；Two groups of cylinder assemblies 5 lay respectively at the both sides of cam bit the first self-clamping module 2.
Described resetting-mechanism includes groups of springs 6 and spring base 7, and spring base 7 is connected on the pedestal 1 of cam bit the second self-clamping module 4 side, and one end of groups of springs 6 is connected with spring base 7, and the other end is connected with the end of cam bit the second self-clamping module 4.
The work process of the present invention is as follows:
When cam bit is positioned, first cylinder assembly action, cam bit the second self-clamping module is promoted to move to the direction away from cam bit the first self-clamping module along pedestal, put into cam bit, release cylinder assembly, cam bit the second self-clamping module under the effect of groups of springs near cam bit the first self-clamping module, make cam bit have with sheet rubber individual at the beginning of contact.Now, the surface soft rubber sheet of U-shaped cramping body and V-type cramping body can be adjacent to cam bit outer surface and form numerous contact-segment, result in formation of the centering of cam bit and phase bit.It is then turn on DC source, magnetic field is produced after making excitation unit conduction, so that magnetic rheological body material solidifies, to cam bit along parallel flux lines direction apply extruding force, owing to employing magnetic rheological body material, near each contact-segment, there is the magnetic rheological body material of solidification during clamping, form the clamping device of matching cam bit outer surface profile.And in use, the size regulating DC source output electric current controls the magnetic field at iron core place, thus changing magnetic rheological body to become clay, flexible sheet rubber being applied with normal force, makes sheet rubber gripping cams sheet.
After completion of processing, by magnet exciting coil power-off, magnetic field disappears, and returns V-type cramping body, and now magnetic rheological body material recovers application state, such that it is able to be easily removed cam bit.
Claims (8)
1. the clamping device of an assembled cam shaft overhead cam sheet, including the cam bit the first self-clamping module (2) being arranged on pedestal (1), cam bit the second self-clamping module (4), the driving mechanism forming the cavity placing cam bit (3) for making cam bit the first self-clamping module (2) and cam bit the second self-clamping module (4) open, and it is used for the resetting-mechanism making cam bit the first self-clamping module (2) and cam bit the second self-clamping module (4) closed pair cam bit (3) form clamping；It is characterized in that: described cam bit the first self-clamping module (2) and the flexible holding device being mounted on cam bit the second self-clamping module (4) for directly contacting with cam bit (3) and lock, the flexible clamping body that this flexible holding device includes excitation unit and magnetorheological materials is made, excitation unit is connected with external dc power by wire, flexible clamping body one side is connected with excitation unit, and another side is close to the sidewall surfaces of cam bit (3) under the effect of excitation unit.
2. the clamping device of assembled cam shaft overhead cam sheet according to claim 1, it is characterized in that: described cam bit the first self-clamping module (2) is U-shaped grip block, it is positioned at the semicircle side of cam bit (3), and is fixedly connected on one end of pedestal (1)；Described cam bit the second self-clamping module (4) is V-type grip block, and it is positioned at the pointed side of Fructus Persicae of cam bit (3), and is slidably connected at the other end of pedestal (1).
3. the clamping device of assembled cam shaft overhead cam sheet according to claim 1, it is characterized in that: described excitation unit includes iron core (9) and magnet exciting coil (10), iron core (9) is connected on cam bit the first self-clamping module (2) or cam bit the second self-clamping module (4), magnet exciting coil (10) is wound on iron core (9), and the magnet exciting coil (10) on cam bit the first self-clamping module (2) and cam bit the second self-clamping module (4) is each connected with DC source respectively through wire (7).
4. the clamping device of assembled cam shaft overhead cam sheet according to claim 3, it is characterized in that: described flexible clamping body includes groove body (11), sheet rubber (13) and magnetic rheological body (12), the side of groove body (11) is connected with iron core (9), magnetic rheological body (12) is filled in groove body (11), the opposite side of groove body (11) and sheet rubber (13) are tightly connected, and sheet rubber (13) is close to cam bit (3) when clamping work.
5. the clamping device of assembled cam shaft overhead cam sheet according to claim 4, it is characterized in that: described magnetic rheological body (12) is mixed by high molecular polymer matrix and carbonyl iron dust, wherein high molecular polymer matrix is 3:7 with the mass percent of carbonyl iron dust.
6. the clamping device of assembled cam shaft overhead cam sheet according to claim 4, it is characterised in that: described groove body (11) interior groove depth is 8mm, and the thickness of sheet rubber (13) is 1mm.
7. the clamping device of assembled cam shaft overhead cam sheet according to claim 2, it is characterized in that: described driving mechanism is the two groups of cylinder assemblies (5) being positioned at cam bit (3) both sides respectively, the cylinder seat of cylinder assembly (5) is arranged on the pedestal (1) of cam bit the first self-clamping module (2) side, and the piston rod free end of cylinder assembly (5) is connected towards one end of cam bit the first self-clamping module (2) with cam bit the second self-clamping module (4)；Two groups of cylinder assemblies (5) lay respectively at the both sides of cam bit the first self-clamping module (2).
8. the clamping device of assembled cam shaft overhead cam sheet according to claim 2, it is characterized in that: described resetting-mechanism includes groups of springs (6) and spring base (7), spring base (7) is connected on the pedestal (1) of cam bit the second self-clamping module (4) side, one end of groups of springs (6) is connected with spring base (7), and the other end is connected with the end of cam bit the second self-clamping module (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610223634.2A CN105751116B (en) | 2016-04-11 | 2016-04-11 | The clamping device of assembled cam shaft overhead cam piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610223634.2A CN105751116B (en) | 2016-04-11 | 2016-04-11 | The clamping device of assembled cam shaft overhead cam piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105751116A true CN105751116A (en) | 2016-07-13 |
| CN105751116B CN105751116B (en) | 2017-12-01 |
Family
ID=56334806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610223634.2A Active CN105751116B (en) | 2016-04-11 | 2016-04-11 | The clamping device of assembled cam shaft overhead cam piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105751116B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141708A (en) * | 2016-08-11 | 2016-11-23 | 张广 | A kind of device increasing magnetic flow liquid flexible fixture clamping force |
| CN106162498A (en) * | 2016-08-31 | 2016-11-23 | 苏州倍声声学技术有限公司 | A kind of auxiliary fixture for assembling Magnet and iron core and using method thereof |
| CN110374706A (en) * | 2019-07-22 | 2019-10-25 | 湖州圣龙汽车动力系统有限公司 | Engine symmetrical expression Valve-train Cam |
| CN117565100A (en) * | 2024-01-16 | 2024-02-20 | 新江科技(江苏)有限公司 | Robot clamp for casting magnesium alloy cabin |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO20055875L (en) * | 2003-05-12 | 2006-02-10 | Tno | Clamping device for coriolis mass flow painting instrument using in situ calibration |
| JP4303895B2 (en) * | 2001-03-30 | 2009-07-29 | 株式会社東芝 | Three position switch operation mechanism |
| CN103085005A (en) * | 2013-01-31 | 2013-05-08 | 宁波圣龙浦洛西凸轮轴有限公司 | Clamp on camshaft assembly machine for fixing cam piece |
| CN104772727A (en) * | 2015-04-24 | 2015-07-15 | 严瑾 | Rigid-flexible blended clamp |
| CN104907957A (en) * | 2015-05-25 | 2015-09-16 | 中南大学 | Coaxial photoelectronic device coupling fixture based on magneto-rheological technology |
| CN105458669A (en) * | 2015-12-25 | 2016-04-06 | 宁波圣龙浦洛西凸轮轴有限公司 | Assembly tool for camshaft |
| CN205660580U (en) * | 2016-04-11 | 2016-10-26 | 湖州圣龙汽车动力系统有限公司 | Cam piece's clamping device on assembled camshaft |
-
2016
- 2016-04-11 CN CN201610223634.2A patent/CN105751116B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4303895B2 (en) * | 2001-03-30 | 2009-07-29 | 株式会社東芝 | Three position switch operation mechanism |
| NO20055875L (en) * | 2003-05-12 | 2006-02-10 | Tno | Clamping device for coriolis mass flow painting instrument using in situ calibration |
| CN103085005A (en) * | 2013-01-31 | 2013-05-08 | 宁波圣龙浦洛西凸轮轴有限公司 | Clamp on camshaft assembly machine for fixing cam piece |
| CN104772727A (en) * | 2015-04-24 | 2015-07-15 | 严瑾 | Rigid-flexible blended clamp |
| CN104907957A (en) * | 2015-05-25 | 2015-09-16 | 中南大学 | Coaxial photoelectronic device coupling fixture based on magneto-rheological technology |
| CN105458669A (en) * | 2015-12-25 | 2016-04-06 | 宁波圣龙浦洛西凸轮轴有限公司 | Assembly tool for camshaft |
| CN205660580U (en) * | 2016-04-11 | 2016-10-26 | 湖州圣龙汽车动力系统有限公司 | Cam piece's clamping device on assembled camshaft |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141708A (en) * | 2016-08-11 | 2016-11-23 | 张广 | A kind of device increasing magnetic flow liquid flexible fixture clamping force |
| CN106162498A (en) * | 2016-08-31 | 2016-11-23 | 苏州倍声声学技术有限公司 | A kind of auxiliary fixture for assembling Magnet and iron core and using method thereof |
| CN110374706A (en) * | 2019-07-22 | 2019-10-25 | 湖州圣龙汽车动力系统有限公司 | Engine symmetrical expression Valve-train Cam |
| CN110374706B (en) * | 2019-07-22 | 2024-02-20 | 宁波圣龙五湖汽车零部件有限公司 | Symmetrical distribution cam molded line of engine |
| CN117565100A (en) * | 2024-01-16 | 2024-02-20 | 新江科技(江苏)有限公司 | Robot clamp for casting magnesium alloy cabin |
| CN117565100B (en) * | 2024-01-16 | 2024-04-30 | 新江科技(江苏)有限公司 | Robot clamp for casting magnesium alloy cabin |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105751116B (en) | 2017-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105751116A (en) | Clamping device for cam sheet on assembly type cam shaft | |
| CN206732638U (en) | A kind of boring clamping and positioning die holder of casting | |
| CN202639903U (en) | Turning fixture for crankshaft | |
| CN103753183A (en) | Dowel clamping press-fit mechanism | |
| CN205660580U (en) | Cam piece's clamping device on assembled camshaft | |
| CN204430817U (en) | A kind of machine workpieces clamping device | |
| CN204295340U (en) | A kind of Novel fixture | |
| CN108687185A (en) | A kind of bending equipment | |
| CN201922277U (en) | Mould processing clamp | |
| CN109834482A (en) | A kind of shell class thin-walled parts processing method and device | |
| CN203696498U (en) | Magnetic flat tongs | |
| CN202105975U (en) | Cylinder type clamping device | |
| CN204935168U (en) | A kind of boring grab | |
| CN204248575U (en) | A kind of mandrel device for grinding positioning sleeve | |
| CN203401197U (en) | Electrode cap overlaying device having automation function | |
| CN202147022U (en) | Boring bar device based on driving of giant magnetostriction material | |
| CN203184868U (en) | Crane lever head assembly tool | |
| CN202344271U (en) | Hub valve hole punching positioning device | |
| CN201169078Y (en) | Braking device of press machine output shaft | |
| CN203254164U (en) | Static-pressure super-thick guide rail clamping device | |
| CN101108477B (en) | Hex head screw retaining paw | |
| CN203471226U (en) | Combined locating device for engineering hydraulic cylinder | |
| CN203146486U (en) | Bridge type magnetic chuck | |
| CN201625882U (en) | Magnetic pole-variable large-sized core-free clamping device | |
| CN105538001A (en) | Device for clamping and releasing workpiece |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 315111 No. 158, Baohan Road, CRRC Industrial Park, Wuxiang Township, Yinzhou District, Ningbo City, Zhejiang Province Patentee after: Ningbo Shenglong Wuhu Auto Parts Co.,Ltd. Address before: No. 1588, Huling Road, Linghu Town, Huzhou City, Zhejiang Province 313018 Patentee before: HUZHOU SHENGLONG AUTOMOBILE POWER SYSTEM Co.,Ltd. |
|
| CP03 | Change of name, title or address |