CN108188872A - For the equipment for auto parts machinery of polishing - Google Patents
For the equipment for auto parts machinery of polishing Download PDFInfo
- Publication number
- CN108188872A CN108188872A CN201810023845.0A CN201810023845A CN108188872A CN 108188872 A CN108188872 A CN 108188872A CN 201810023845 A CN201810023845 A CN 201810023845A CN 108188872 A CN108188872 A CN 108188872A
- Authority
- CN
- China
- Prior art keywords
- grinding wheel
- middle layer
- spare wheel
- auto parts
- fixedly connected
- 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
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
Abstract
The present invention relates to the technical fields of auto parts machinery process equipment, specifically disclose a kind of equipment for auto parts machinery of polishing, including workbench and rack, workbench is equipped with clamping device, stepper motor is fixedly connected in rack, stepper motor is connected with grinding wheel mandrel, and grinding wheel mandrel is circular ring shape electromagnet, grinding wheel mandrel is radially uniformly provided with several sliding slots, and bolt is slidably connected in sliding slot；Several telescopic rods are slidably connected in rack, each telescopic rod is rotatably connected to spare wheel, and spare wheel is circular ring shape electromagnet, and the outer of spare wheel is surrounded with middle layer；Middle layer includes chain and the carrier bar that is fixedly connected on chain, and there are the gap being inserted into for bolt between adjacent carrier bar, carrier bar by the material of magnetic absorption by can be made；Sand paper is equipped between spare wheel and middle layer, sand paper is fixedly connected with middle layer, and the sand paper roughness on each spare wheel is different.The present invention can realize quick-replaceable sand paper, improve grinding efficiency, reduce equipment cost.
Description
Technical field
The present invention relates to the technical fields of auto parts machinery process equipment, specifically disclose a kind of for auto parts machinery of polishing
Equipment.
Background technology
With the development of social economy and the promotion of living standard, automobile is increasingly becoming essential in people's daily life
The vehicles, the development in auto parts machinery market is also getting faster.Auto parts machinery in process of production, is needed by many processing
Process.Wherein, essential process when polishing auto parts machinery.Common abrasive material have sand paper, gauze with
And various polishing pastes, and the fineness of sand paper polishing auto parts machinery is determined by the size of abrasive grain, usually firmly
Degree number represents that the degree of roughness of sand paper, such as 24# sand paper belong to extremely thick, and for clear depainting, 320# sand paper belongs to superfine, in being used for
The polishing of used paint layer before coating and spray, and 1200#, 1800# and 2000# sand paper belong to fine, for the thin of background color covering light and apply
The polishing of layer.Therefore, when polishing different auto parts machineries, the grinding apparatus of various specifications is needed either to replace entire polishing
Head, the process for replacing entire grinding head often take time and effort, which not only adds the equipment investment cost of enterprise, also so that vapour
The polishing time lengthening of vehicle accessory, causes grinding efficiency to reduce.
Invention content
It is a kind of for the equipment of auto parts machinery of polishing the invention is intended to provide, with solve existing auto parts machinery grinding device because
The problem of need replacing entire grinding head causes grinding efficiency to reduce to adapt to different operating modes.
In order to achieve the above object, base case of the invention is：For the equipment for auto parts machinery of polishing, including workbench
And rack, the clamping device for clamping auto parts machinery is installed on the workbench, stepping is fixedly connected in the rack
Motor, the output terminal of stepper motor are fixedly connected with shaft, and shaft is fixedly connected with grinding wheel mandrel, and the grinding wheel mandrel is
Circular ring shape electromagnet, grinding wheel mandrel are electrically connected with the first control switch, and grinding wheel mandrel is radially uniformly provided with several
Sliding slot each slidably connects bolt in the sliding slot, the first spring is fixedly connected between bolt and sliding slot bottom wall；The rack
On slidably connect several telescopic rods, each telescopic rod is rotatably connected to spare wheel close to one end of grinding wheel mandrel, institute
Spare wheel is stated as circular ring shape electromagnet, spare wheel is electrically connected with the second control switch, and the outer of spare wheel is surrounded with middle layer, institute
It states middle layer and includes several chains being looped around on spare wheel circumference and the carrier bar being fixedly connected on chain, stayed between adjacent carrier bar
There is the gap being inserted into for bolt, the carrier bar by the material of magnetic absorption by can be made；It is set between the spare wheel and middle layer
There is sand paper, sand paper is fixedly connected with middle layer, and the sand paper roughness on each spare wheel is different.
The operation principle of this base case is：The second control switch is opened, controls spare wheel energizing magnetic, and then
The carrier bar of magnetic absorption middle layer so that middle layer is fitted closely with spare wheel, and sand paper is between middle layer and spare wheel；
When being polished using the equipment in this base case auto parts machinery, selection as needed is loaded with the sand paper of different crude extents
Spare wheel, spare wheel is stretched near grinding wheel mandrel by telescopic rod so that the middle layer of spare wheel contact grinding wheel
The outer of mandrel opens the first control switch, controls grinding wheel mandrel energizing magnetic, and then magnetic absorption middle layer at this time
Close to the part carrier bar of grinding wheel mandrel, the second control switch is closed at this time, and spare wheel power-off loses magnetism in no longer magnetic suck
Interbed；Start stepper motor, slowly drive shaft rotation, grinding wheel mandrel starts slowly to rotate, and middle layer is polished wheel mandrel
Magnetic absorption is simultaneously gradually transferred to grinding wheel mandrel, is finally looped around the outer of grinding wheel mandrel, and sand paper is located at grinding wheel at this time
The outermost layer of mandrel；The rotating speed of stepper motor is improved, under the centrifugal force effect gradually enhanced, the bolt in grinding wheel mandrel is slided
Go out sliding slot, be inserted into the gap between middle layer carrier bar, fixed middle layer realizes the polishing to auto parts machinery.
The advantageous effect of this base case is：
1st, the equipment utilization middle layer in this base case and the magnetic phase between grinding wheel mandrel, middle layer and spare wheel
It inhales, the ingenious conversion for realizing middle layer on grinding wheel mandrel and spare wheel, and then sand paper on ingenious realization grinding wheel mandrel
It replaces；In addition, the design of multiple spare wheels enables this equipment to replace different sand according to auto parts machinery selection to be polished
Paper, and replacing construction section, simple operation without entire grinding wheel is needed to change, improve the working efficiency of polishing auto parts machinery, and
Equipment investment cost has been saved for enterprise, has improved the market competitiveness of enterprise.
2nd, centrifugal force caused by stepper motor rotation is utilized in this base case so that the bolt in grinding wheel mandrel is slided
Go out sliding slot, bolt is able to the gap being inserted between middle layer carrier bar, middle layer is fixed, and avoids in polishing auto parts machinery
In the process, it under the action of tangential friction force, is relatively moved between sand paper and middle layer and grinding wheel mandrel, causes to skid,
To ensure to smoothly complete the polishing of auto parts machinery.In addition, under the hypodynamic situation of centrifugation generated in stepper motor, bolt exists
The elastic-restoring force effect of spring is lower to be resetted, and will not affect that middle layer is transferred on spare wheel.
Further, cylinder body on the workbench is installed, piston is slidably connected in cylinder body, cylinder body is divided into solely by piston
Vertical first chamber and second chamber, first chamber are communicated with air inlet pipe and air outlet pipe, the nozzle direction polishing core wheel of air inlet pipe
Axis is set, and air inlet pipe is equipped with the first check valve that air-flow is imported to first chamber, and air outlet pipe is equipped with exports first by air-flow
Second check valve of chamber, second chamber inner wall are fixedly connected with second spring with piston space, and piston is fixedly connected with piston rod；
The shaft is fixedly connected with the cam for being useful for pushing piston rod.
During polishing auto parts machinery, more dust can be generated, is pushed and lived using the cam in rotation
Plug so that negative pressure is constantly in the first chamber of cylinder body and suppresses state, the dust generated in bruting process is sucked first
In chamber, dust is avoided to diffuse in air, the health of staff is impacted.In addition, during polishing auto parts machinery
Heat can be generated, during dust is sucked in first chamber, the axial air-flow velocity of grinding wheel core becomes faster air inlet pipe,
Accelerate the radiating rate of auto parts machinery.
Further, the connectivity part of the first chamber and air outlet pipe is installed with Air Filter, and Air Filter can be blocked effectively
The dust cut in first chamber flows out first chamber with air from air outlet pipe, and dust is avoided to turn again in outside air.
Further, opening is offered on the first chamber side wall, opening is connected with the door body that energy sealing cover runs mouth jointly.
First chamber is cleaned convenient for staff, avoids the dust accumulation in first chamber, influences cylinder body normal work.
Further, the grinding wheel mandrel opens up fluted on the inner wall of shaft, and the shaft is equipped with and groove phase
The protrusion of cooperation.Using the mutual cooperation between protrusion and groove, the firmness connected between shaft and grinding wheel mandrel is improved, is kept away
Exempt from the skidding of grinding wheel mandrel.
Description of the drawings
Fig. 1 is the structure diagram of the embodiment of the present invention；
Fig. 2 is the sectional view of grinding wheel mandrel in the embodiment of the present invention；
Fig. 3 is the left view of Fig. 1；
Fig. 4 is the relation schematic diagram of spare wheel, middle layer and sand paper in the embodiment of the present invention.
Specific embodiment
Below by the further details of explanation of specific embodiment：
Reference numeral in Figure of description includes：Workbench 1, clamping device 2, stepper motor 3, shaft 4, polishing core wheel
Axis 5, sliding slot 6, bolt 7, the first spring 8, cylinder body 9, first chamber 901, second chamber 902, piston 10, piston rod 11, air inlet
Pipe 12, second spring 13, cam 14, telescopic rod 15, spare wheel 16, sand paper 17, middle layer 18.
In the present embodiment as shown in Figure 1, for auto parts machinery of polishing equipment, including workbench 1 and rack, workbench 1
On clamping device 2 for clamping auto parts machinery is installed, be fixedly connected with stepper motor 3, the output of stepper motor 3 in rack
End be fixedly connected with shaft 4, shaft 4 is fixedly connected with grinding wheel mandrel 5, opened up on the inner wall of grinding wheel mandrel 5 it is fluted, turn
Axis 4 is equipped with the protrusion with fit depressions.Grinding wheel mandrel 5 is circular ring shape electromagnet, and grinding wheel mandrel 5 is electrically connected with the first control
System switch, with reference to shown in Fig. 2, grinding wheel mandrel 5 is radially uniformly provided with several sliding slots 6, is slidably connected in each sliding slot 6
There is bolt 7, the first spring 8 is fixedly connected between 6 bottom wall of bolt 7 and sliding slot.Cylinder body 9 on workbench 1 is installed, is slided in cylinder body 9
Dynamic to be connected with piston 10, with reference to shown in Fig. 3, the separation of cylinder body 9 is independent first chamber 901 and second chamber 902 by piston 10,
First chamber 901 is communicated with air inlet pipe 12 and air outlet pipe, and the nozzle of air inlet pipe 12 is set towards grinding wheel mandrel 5, air inlet pipe 12
The first check valve that air-flow is imported to first chamber 901 is equipped with, air outlet pipe is equipped with the of air-flow export first chamber 901
Two check valves；First chamber 901 and the connectivity part of air outlet pipe are installed with Air Filter, and 901 side wall of first chamber offers out
Mouthful, opening is connected with the door body that energy sealing cover runs mouth jointly, and the second bullet is fixedly connected between 902 inner wall of second chamber and piston 10
Spring 13；Piston 10 is fixedly connected with piston rod 11, and shaft 4 is fixedly connected with the cam 14 for being useful for pushing piston rod 11.In rack
Several telescopic rods 15 are slidably connected, the left end of each telescopic rod 15 is rotatably connected to spare wheel 16, and spare wheel 16 is circular ring shape
Electromagnet, spare wheel 16 are electrically connected with the second control switch, and with reference to shown in Fig. 4, the outer of spare wheel 16 is surrounded with middle layer 18,
Middle layer 18 includes several chains for being looped around on 16 circumference of spare wheel and the carrier bar being fixedly connected on chain, between adjacent carrier bar
There are the gap being inserted into for bolt 7, carrier bar is fabricated from iron；Between spare wheel 16 and middle layer 18 be equipped with sand paper 17, sand paper 17 with
Middle layer 18 is fixedly connected, and 17 roughness of sand paper on each spare wheel 16 is different.
The second control switch that spare wheel 16 is electrically connected is opened, and spare wheel 16, which is powered, has magnetism, magnetic absorption middle layer
18 carrier bar so that middle layer 18 is fitted closely with spare wheel 16, and sand paper 17 is between middle layer 18 and spare wheel 16.Tool
During body running, first with clamping device 2 by auto parts machinery stable holding to be polished, selected according to auto parts machinery to be polished
The spare wheel 16 of corresponding sand paper 17 is loaded with, the position of spare wheel 16 is secondly slided, is moved to spare wheel 16 using telescopic rod 15
The front or dead astern of grinding wheel mandrel 5 so that spare wheel 16 contacts the outer of grinding wheel mandrel 5；Then first is opened
Control switch, 5 energizing magnetic of control grinding wheel mandrel, and then the part carrier bar in magnetic absorption middle layer 18, are closed at this time
The second control switch is closed, spare wheel 16 powers off the no longer magnetic suck middle layer 18 that loses magnetism；Restart stepper motor 3, slow band
Turn axis 4 rotates, and grinding wheel mandrel 5 starts slowly to rotate, since the part carrier bar in middle layer 18 is polished 5 magnetism of wheel mandrel
Absorption, so middle layer 18 is gradually transferred to grinding wheel mandrel 5, is finally looped around the outer of grinding wheel mandrel 5, at this time sand paper 17
Positioned at the outermost layer of grinding wheel mandrel 5；The rotating speed of stepper motor 3 is finally improved, under the centrifugal force effect gradually enhanced, polishing
Bolt 7 in wheel mandrel 5 skids off sliding slot 6, is inserted into the gap between 18 carrier bar of middle layer, and fixed middle layer 18 starts to automobile
Accessory is polished.
When stepper motor 3 drives the rotation of shaft 4, the cam 14 being fixedly connected in shaft 4 starts to rotate, with reference to Fig. 3 institutes
Show, the cam 14 in rotation pushes the piston rod 11 of cylinder body 9 to be moved to the left, and the piston 10 being fixedly connected with piston rod 11 is slided to the left
Dynamic, 901 volume of first chamber increases to form negative pressure, and the dust near grinding wheel mandrel 5 is sucked first chamber 901 by air inlet pipe 12
It is interior；When cam 14 does not generate thrust to piston rod 11, under the elastic-restoring force effect of second spring 13, piston 10 is slided to the right
Dynamic, the air in first chamber 901 is discharged by air outlet pipe, and dust is intercepted by the Air Filter in first chamber 901, passes through first
The opening of chamber 901 is cleared out, and dust is effectively prevent to diffuse the health in air, influencing staff.
When replacing the sand paper on grinding wheel mandrel 5,3 reduction of speed of stepper motor causes shaft 4 slowly to rotate, and centrifugal force reduces,
Under the action of 8 elastic-restoring force of the first spring, bolt 7, which is slided and then realized to the bottom wall of sliding slot 6, to be resetted, and bolt 7 is no longer solid
Determine middle layer 18.Spare wheel 16 is moved at grinding wheel mandrel 5 at this time so that on 16 outer of spare wheel and grinding wheel mandrel 5
Sand paper contact, open second control switch so that 16 energization band of spare wheel is magnetic, the part chain of magnetic absorption middle layer 18
Plate simultaneously closes off the first control switch, and the power-off of grinding wheel mandrel 5 loses magnetism, no longer magnetic absorption middle layer 18, in grinding wheel
In 5 rotation process of mandrel, middle layer 18 is gradually transferred on spare wheel 16, is finally looped around the outer of spare wheel 16.Later again
Middle layer on another spare wheel and sand paper are transferred to by the same method on grinding wheel mandrel 5, you can carry out to another
The auto parts machinery of one type is polished, easy to operate.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these should also be considered as protection scope of the present invention, these all do not interfere with what the present invention was implemented
Effect and practical applicability.
Claims (5)
1. for the equipment for auto parts machinery of polishing, including workbench and rack, it is characterised in that：It is installed on the workbench useful
In being fixedly connected with stepper motor on the clamping device of clamping auto parts machinery, the rack, the output terminal of stepper motor, which is fixed, to be connected
Shaft is connected to, shaft is fixedly connected with grinding wheel mandrel, and the grinding wheel mandrel is circular ring shape electromagnet, and grinding wheel mandrel is electrically connected
The first control switch is connected to, grinding wheel mandrel is radially uniformly provided with several sliding slots, is slidably connected in each sliding slot
There is bolt, the first spring is fixedly connected between bolt and sliding slot bottom wall；Several telescopic rods are slidably connected in the rack, each
The telescopic rod is rotatably connected to spare wheel close to one end of grinding wheel mandrel, and the spare wheel is circular ring shape electromagnet, spare
Wheel is electrically connected with the second control switch, and the outer of spare wheel is surrounded with middle layer, and the middle layer includes being looped around spare wheel circle
Several chains on week and the carrier bar being fixedly connected on chain, there are the gap being inserted into for bolt, the chains between adjacent carrier bar
Plate by the material of magnetic absorption by can be made；Sand paper is equipped between the spare wheel and middle layer, sand paper is fixed with middle layer to be connected
It connects, the sand paper roughness on each spare wheel is different.
2. the equipment according to claim 1 for auto parts machinery of polishing, it is characterised in that：It is equipped on the workbench
Cylinder body slidably connects piston in cylinder body, and cylinder body separation is independent first chamber and second chamber by piston, and first chamber connects
Air inlet pipe and air outlet pipe are connected with, the nozzle of air inlet pipe is set towards grinding wheel mandrel, and air inlet pipe is equipped with imports first by air-flow
First check valve of chamber, air outlet pipe are equipped with the second check valve of air-flow export first chamber, second chamber inner wall and work
Second spring is fixedly connected between plug, piston is fixedly connected with piston rod；The shaft, which is fixedly connected, to be useful for pushing piston rod
Cam.
3. the equipment according to claim 2 for auto parts machinery of polishing, it is characterised in that：The first chamber and outlet
The connectivity part of pipe is installed with Air Filter.
4. the equipment according to claim 3 for auto parts machinery of polishing, it is characterised in that：On the first chamber side wall
Opening is offered, opening is connected with the door body that energy sealing cover runs mouth jointly.
5. the equipment according to claim 4 for auto parts machinery of polishing, it is characterised in that：The grinding wheel mandrel is close
Open up fluted on the inner wall of shaft, the shaft is equipped with protrusion with fit depressions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810023845.0A CN108188872B (en) | 2018-01-10 | 2018-01-10 | Equipment for automobile parts of polishing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810023845.0A CN108188872B (en) | 2018-01-10 | 2018-01-10 | Equipment for automobile parts of polishing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108188872A true CN108188872A (en) | 2018-06-22 |
| CN108188872B CN108188872B (en) | 2019-06-07 |
Family
ID=62588610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810023845.0A Active CN108188872B (en) | 2018-01-10 | 2018-01-10 | Equipment for automobile parts of polishing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108188872B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112087704A (en) * | 2020-09-29 | 2020-12-15 | 徐长金 | Microphone shell polishing equipment capable of preventing clamping injury |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11226857A (en) * | 1997-06-09 | 1999-08-24 | Tm Kikaku:Kk | Polishing machine for optical fiber |
| CN203077099U (en) * | 2013-03-11 | 2013-07-24 | 宁波普利达智能科技应用有限公司 | Automatic abrasive paper replacing mechanism |
| US20150038058A1 (en) * | 2009-12-08 | 2015-02-05 | Allison Transmission Inc. | Method for Detecting And/Or Preventing Grind Burn |
| CN104551909A (en) * | 2014-10-26 | 2015-04-29 | 重庆市大足区容亿机械配件有限公司 | Grinding device for outer edges of automobile accessories |
| CN204366742U (en) * | 2014-12-09 | 2015-06-03 | 昆山富新立伟自动化科技有限公司 | A kind of sand paper mechanism of replacing automatically |
-
2018
- 2018-01-10 CN CN201810023845.0A patent/CN108188872B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11226857A (en) * | 1997-06-09 | 1999-08-24 | Tm Kikaku:Kk | Polishing machine for optical fiber |
| US20150038058A1 (en) * | 2009-12-08 | 2015-02-05 | Allison Transmission Inc. | Method for Detecting And/Or Preventing Grind Burn |
| CN203077099U (en) * | 2013-03-11 | 2013-07-24 | 宁波普利达智能科技应用有限公司 | Automatic abrasive paper replacing mechanism |
| CN104551909A (en) * | 2014-10-26 | 2015-04-29 | 重庆市大足区容亿机械配件有限公司 | Grinding device for outer edges of automobile accessories |
| CN204366742U (en) * | 2014-12-09 | 2015-06-03 | 昆山富新立伟自动化科技有限公司 | A kind of sand paper mechanism of replacing automatically |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112087704A (en) * | 2020-09-29 | 2020-12-15 | 徐长金 | Microphone shell polishing equipment capable of preventing clamping injury |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108188872B (en) | 2019-06-07 |
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Effective date of registration: 20220718 Address after: Room 7088-230, 7th floor, 1558 Jiangnan Road, high tech Zone, Ningbo, Zhejiang 315000 Patentee after: NINGBO LONGRUI MACHINERY MANUFACTURE CO.,LTD. Address before: 12-7, No. 55, Xinghai South Road, high tech Zone, Ningbo, Zhejiang 315100 Patentee before: NINGBO HAIMAN AUTOMOTIVE TECHNOLOGY Co.,Ltd. |