CN103331673B - Device repaiied by electrode cap automatic transceiving and mill - Google Patents
Device repaiied by electrode cap automatic transceiving and mill Download PDFInfo
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- CN103331673B CN103331673B CN201310257132.8A CN201310257132A CN103331673B CN 103331673 B CN103331673 B CN 103331673B CN 201310257132 A CN201310257132 A CN 201310257132A CN 103331673 B CN103331673 B CN 103331673B
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Abstract
Device repaiied by a kind of electrode cap automatic transceiving and mill, it comprises cabinet, old part sorter, arrangement for grinding, dispensing apparatus and Controlling System, described old part sorter comprises being horizontally fixed on and passes on cylinder and baffle plate cylinder and the old part inlet tube that is sequentially arranged in cabinet from top to bottom on cabinet inwall, pass on pipe, horizontal baffle and waste product transfer lime, the described piston rod passing on cylinder switches through and send pipe, pass on cylinder piston rod two limit positions respectively corresponding pass on pipe initial bit and send part position, described old part inlet tube, initial bit pass on pipe and waste product transfer lime coaxially to each other, the lower termination waste vessel of waste product transfer lime, the piston rod of described baffle plate cylinder connects horizontal baffle. the present invention realizes the automatic classification of old electrode cap, automatic milling is repaiied and the automatic granting of new electrode cap, effectively prevent the waste of manpower and the impact of process is repaiied and received and dispatched to the mill of electrode cap by human factor, improve working efficiency, reduce the welding cost of vehicle body.
Description
Technical field
The present invention relates to a kind of can automatically collect, reconditioning, granting electrode holder electrode cap device, belong to welding technology field.
Background technology
Electrode holder electrode cap will affect the welding quality of workpiece after in use wearing and tearing, the electrode cap of mild wear can continue to use after mill is repaiied, and the electrode cap of serious wear then can only be scrapped. Automobile welding shop all to be consumed a large amount of electrode caps every month, at present, the granting of electrode cap, collection and mill are repaiied all by manually completing, effort of so not only taking a lot of work, cause the waste of manpower, and the mill of electrode cap is repaiied and transmitting-receiving process all can be subject to the impact of human factor. Manual method is such as adopted electrode cap to carry out mill when repairing, whether electrode cap exists maintenance is worth, can only judge according to experience by serviceman, but still repaiied by mill although some electrode caps have not possessed maintenance value, cause artificial waste, and some electrode caps are scrapped when not arriving condemning limit, cause the waste of material and the raising of welding cost. Therefore, how the collection of science, reasonably control electrode cap, reconditioning and distribution process, improve the working efficiency of welding shop to greatest extent, reduces the welding cost of vehicle body, just becomes the problem about technician faces.
Summary of the invention
It is an object of the invention to the drawback for prior art, it is provided that device repaiied by a kind of electrode cap automatic transceiving and mill, to improve the working efficiency of welding shop, reduce the welding cost of vehicle body.
Problem of the present invention realizes with following technical proposals:
Device repaiied by a kind of electrode cap automatic transceiving and mill, formation comprises cabinet, old part sorter, arrangement for grinding, dispensing apparatus and Controlling System, described old part sorter comprises being horizontally fixed on and passes on cylinder and baffle plate cylinder and the old part inlet tube that is sequentially arranged in cabinet from top to bottom on cabinet inwall, pass on pipe, horizontal baffle and waste product transfer lime, the described piston rod passing on cylinder switches through and send pipe, pass on cylinder piston rod two limit positions respectively corresponding pass on pipe initial bit and send part position, described old part inlet tube, initial bit pass on pipe and waste product transfer lime coaxially to each other, the lower termination waste vessel of waste product transfer lime, the piston rod of described baffle plate cylinder connects horizontal baffle.
Device repaiied by above-mentioned electrode cap automatic transceiving and mill, described arrangement for grinding comprises compression cylinder, coping device and coping device cylinder, described coping device cylinder is horizontally fixed on cabinet inwall, described coping device is fixed on the piston rod end of coping device cylinder, the grinding surface on its top concordant with the upper surface of horizontal baffle and with pass on pipe send part position corresponding, described compression cylinder vertical lifting is on the top board of cabinet, and its piston-rod lower end send part position corresponding with passing on pipe.
Device repaiied by above-mentioned electrode cap automatic transceiving and mill, described dispensing apparatus comprises vibrations forwarder, new part transfer lime and new part container, described vibrations forwarder and new part container are fixed on below coping device successively, and the part mouth that goes out of vibrations forwarder is connected with the part mouth that enters of new part container by new part transfer lime.
Device repaiied by above-mentioned electrode cap automatic transceiving and mill, described Controlling System comprises PLC, goes out part proximity switch, enters part proximity switch, starting switch and be arranged on compression cylinder, baffle plate cylinder, coping device cylinder respectively and pass on eight magnetic switches of cylinder front and back end, described enter part proximity switch arrange two, the two is arranged above and below and is fixed on initial bit and passes on the side of pipe; Described go out part proximity switch be fixed on the side of new part transfer lime, one end ground connection of these switches, the other end connects the different input ports of PLC respectively; Ten output ports of PLC connect coping device rly. respectively, forwarder rly., baffle plate cylinder advance magnetic valve, baffle plate cylinder retreat magnetic valve, pass on cylinder advance magnetic valve, the cylinder that passes on retreats magnetic valve, compression cylinder advance magnetic valve, compression cylinder retreats magnetic valve, coping device cylinder advance magnetic valve and coping device cylinder retreat magnetic valve control end.
Device repaiied by above-mentioned electrode cap automatic transceiving and mill, and described arrangement for grinding also comprises sleeve pipe of raising one's hat, described in raise one's hat that to be enclosed within the piston rod of compression cylinder outside for sleeve pipe pine, the cylinder body of its upper end and compression cylinder connects admittedly.
Device repaiied by above-mentioned electrode cap automatic transceiving and mill, and described dispensing apparatus also comprises flow deflector, and described flow deflector tilts to be fixed on below coping device, and its lower end is corresponding with the opening for feed of vibrations forwarder.
Device repaiied by above-mentioned electrode cap automatic transceiving and mill, and the top of described vibrations forwarder is also provided with new part inlet tube.
The old part sorter of the present invention, arrangement for grinding and dispensing apparatus can co-ordinations under the unified control of Controlling System, realize the automatic classification of old electrode cap, automatic milling repaiies and the automatic granting of new electrode cap, effectively prevent the waste of manpower, completely eliminate the impact that process repaiied and receive and dispatch by the mill of electrode cap by human factor, improve the working efficiency of welding shop, reduce the welding cost of vehicle body.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the electrical schematic diagram of Controlling System.
In figure, each list of reference numerals is: 1, new part inlet tube, 2, compression cylinder, 3, old part inlet tube, 4, baffle plate cylinder, 5, coping device, 6, flow deflector, 7, new part transfer lime, 8, waste vessel, 9, new part container, 10, vibrations forwarder, 11, coping device cylinder, 12, pass on cylinder, 13, raise one's hat sleeve pipe, 14, cabinet, 15, pass on pipe, 16, horizontal baffle, 17, waste product transfer lime, PLC, programmable controller, QK, starting switch, Kj1, first enters part proximity switch, Kj2, 2nd enters part proximity switch, J1, coping device rly., J2, forwarder rly., Kdq, magnetic switch before baffle plate cylinder, Kdh, magnetic switch after baffle plate cylinder, Kzq, pass on magnetic switch before cylinder, Kzh, pass on magnetic switch after cylinder, Kyq, magnetic switch before compression cylinder, Kyh, magnetic switch after compression cylinder, Kxq, coping device cylinder front end magnetic switch, Kxh, coping device cylinder rear end magnetic switch, Kc, go out part proximity switch, Vdq, baffle plate cylinder advance magnetic valve, Vdh, baffle plate cylinder retreats magnetic valve, Vzq, pass on cylinder advance magnetic valve, Vzh, the cylinder that passes on retreats magnetic valve, Vyq, compression cylinder advance magnetic valve, Vyh, compression cylinder retreats magnetic valve, Vxq, coping device cylinder advance magnetic valve, Vxh, coping device cylinder retreats magnetic valve.
Embodiment
PLC electrical control system and pneumatic control system, mechanical system are organically combined by the present invention, it is achieved that the automatic control of electrode cap transmitting-receiving and reconditioning process.
Referring to Fig. 1, the present invention comprises cabinet 14, old part sorter, arrangement for grinding, dispensing apparatus and Controlling System, wherein old part sorter comprise old part inlet tube 3, baffle plate cylinder 4, pass on cylinder 12, pass on pipe 15, horizontal baffle 16 and waste product transfer lime 17; Arrangement for grinding comprises compression cylinder 2, coping device 5, coping device cylinder 11 and sleeve pipe 13 of raising one's hat; Dispensing apparatus comprises new part inlet tube 1, flow deflector 6, new part transfer lime 7, new part container 9 and vibrations forwarder 10.
Referring to Fig. 2, the Controlling System of the present invention comprises PLC, starting switch QK, first enters part proximity switch Kj1, 2nd enters part proximity switch Kj2, coping device relay J 1, forwarder relay J 2, magnetic K switch dq before baffle plate cylinder, magnetic K switch dh after baffle plate cylinder, pass on magnetic K switch zq before cylinder, pass on magnetic K switch zh after cylinder, magnetic K switch yq before compression cylinder, magnetic K switch yh after compression cylinder, coping device cylinder front end magnetic K switch xq, coping device cylinder rear end magnetic K switch xh, go out part proximity switch Kc, baffle plate cylinder advance magnetic valve Vdq, baffle plate cylinder retreats magnetic valve Vdh, pass on cylinder advance magnetic valve Vzq, the cylinder that passes on retreats magnetic valve Vzh, compression cylinder advance magnetic valve Vyq, compression cylinder retreats magnetic valve Vyh, coping device cylinder advance magnetic valve Vxq and coping device cylinder retreat magnetic valve Vxh.
Wiring mode:
220V supply lead (live wire) connects the wiring point L of PLC, and 0V supply lead (zero line) connects the wiring point N of PLC. Starting switch QK one end connects 0V concentric line, and one end connects the input point X1 of PLC. First enters part proximity switch Kj1 one end connects 0V concentric line, and one end connects the input point X3 of PLC. 2nd enters part proximity switch Kj2 one end connects 0V concentric line, and one end connects the input point X2 of PLC. Before baffle plate cylinder, magnetic K switch dq one end connects 0V concentric line, and one end connects the input point X5 of PLC. After baffle plate cylinder, magnetic K switch dh one end connects 0V concentric line, and one end connects the input point X4 of PLC. Passing on magnetic K switch zq one end before cylinder connects 0V concentric line, and one end connects the input point X7 of PLC. Passing on magnetic K switch zh one end after cylinder connects 0V concentric line, and one end connects the input point X6 of PLC. Before compression cylinder, magnetic K switch yq one end connects 0V concentric line, and one end connects the input point X11 of PLC. After compression cylinder, magnetic K switch yh one end connects 0V concentric line, and one end connects the input point X10 of PLC. Magnetic K switch xq one end, coping device cylinder front end connects 0V concentric line, and one end connects the input point X13 of PLC. Magnetic K switch xh one end, coping device cylinder rear end connects 0V concentric line, and one end connects the input point X12 of PLC. Going out part proximity switch Kc one end and connect 0V concentric line, one end connects the input point X15 of PLC. Baffle plate cylinder advance magnetic valve Vdq one end connects 0V concentric line, and one end connects the output point Y1 of PLC. Baffle plate cylinder retreats magnetic valve Vdh one end and connects 0V concentric line, and one end connects the output point Y2 of PLC. Pass on cylinder advance magnetic valve Vzq one end connect 0V concentric line, one end connect PLC output point Y3. The cylinder that passes on retreats magnetic valve Vzh one end and connects 0V concentric line, and one end connects the output point Y4 of PLC. Compression cylinder advance magnetic valve Vyq one end connects 0V concentric line, and one end connects the output point Y5 of PLC. Compression cylinder retreats magnetic valve Vyh one end and connects 0V concentric line, and one end connects the output point Y6 of PLC. Coping device cylinder advance magnetic valve Vxq one end connects 0V concentric line, and one end connects the output point Y7 of PLC. Coping device cylinder retreats magnetic valve Vxh one end and connects OV concentric line, and one end connects the output point Y10 of PLC. Control coil one end of coping device relay J 1 connects 0V concentric line, and one end connects the output point Y11 of PLC. Control coil one end of forwarder relay J 2 connects 0V concentric line, and one end connects the output point Y12 of PLC. 24V direct supply is connected to each COM wiring point of PLC outgoing side.
Operating principle:
Controlling System powers up, and utilizes computer the program of electrode cap transmitting-receiving, reconditioning to be write in PLC. As operator, after needing the electrode cap changed to drop into old part inlet tube 3, (now electrode cap baffle plate cylinder 4 and the cylinder 12 that passes on are the state of stretching out, the pipe 15 that passes on is in the start bit shown in Fig. 1), electrode cap slides to for 3 times along old part inlet tube to pass on after in pipe 15 and is stopped by horizontal baffle 16, and two of pipe 15 outside of passing on enter part proximity switch(Kj1 and Kj2)Being detected by electrode cap, if only the 2nd entering part proximity switch Kj2 and electrode cap detected, illustrate that the height of electrode cap is not enough, having arrived Rejection standard can scrap. Enter part proximity switch and signal is passed to PLC, PLC is switched to and scraps electrode cap collecting pattern, PLC outputs signal to baffle plate cylinder and retreats magnetic valve Vdh, baffle plate cylinder 4 is reclaimed, horizontal baffle 16 is extracted out between pipe 15 and waste product transfer lime 17 from passing on, and electrode cap drops in waste vessel 8 along waste product transfer lime 17. After PLC detects the blackout that the 2nd enters part proximity switch Kj2, outputing signal to baffle plate cylinder advance magnetic valve Vdq, baffle plate cylinder 4 stretches out, and before baffle plate cylinder, magnetic K switch dq outputs signal to PLC, counter in PLC counts, and adds one by the numerical value scrapping electrode cap. If two are entered part proximity switch(Kj1 and Kj2)Electrode cap being detected simultaneously, illustrate that electrode cap does not reach Rejection standard, now two are entered part proximity switch(Kj1 and Kj2)Passing the signal along to PLC, PLC is switched to electrode cap maintenance mode, PLC output signal to pass on cylinder retreat magnetic valve Vzh, the cylinder 12 that passes on reclaims, and is taken to by electrode cap above electrode cap coping device 5. The magnetic K switch zh after cylinder that passes on is transferred to PLC after perceiving signal, and PLC outputs signal to compression cylinder advance magnetic valve Vyq, and electrode cap compression cylinder 2 is stretched out, and is pressed in by electrode cap on coping device 5. Before compression cylinder after magnetic K switch yq perception by Signal transmissions to PLC, PLC outputs signal to coping device relay J 1. The closing of contact of coping device relay J 1, coping device motor starts to rotate, and top electrode is carried out reconditioning. Being controlled by the ON time of coping device relay J 1 by the PLC inner time relay, current setup times is 20 seconds. After reconditioning, PLC disconnects the control power supply of coping device relay J 1. Electrode cap coping device 5 shuts down, PLC outputs signal to compression cylinder and retreats magnetic valve Vyh and coping device cylinder retrogressing magnetic valve Vxh, the piston rod of compression cylinder 2 and coping device cylinder 11 retreats simultaneously, electrode cap can not rise with the piston rod of compression cylinder 2 under the stop of sleeve pipe 13 of raising one's hat, so dropping on flow deflector 6, slip into along flow deflector 6 in the vibrating disk of vibrations forwarder 10. PLC is while exporting coping device cylinder retrogressing signal, and the inner time relay starts timing, and timing time is 2 seconds. After timing, PLC outputs signal to coping device cylinder advance magnetic valve Vxq, coping device cylinder 11 stretches out, coping device cylinder front end magnetic K switch xq perceives signal, and PLC transmission signal is to passing on cylinder advance magnetic valve Vzq, and the cylinder 12 that passes on stretches out, now, the all mechanisms of equipment are in initial point state, and the counter in PLC counts, and add one by the numerical value reclaiming electrode cap. System drops into practical situation according to electrode cap, and electrode cap pattern is scrapped in utilization and reconditioning electrode cap pattern carries out operation repeatedly. Until replacing personnel electrode cap is dropped into complete till. PLC carries out accumulative counting repeatedly, after replacing personnel drop into electrode cap, presses starting switch QK, after PLC control system perceives the signal of starting switch QK, outputs signal to forwarder relay J 2. The closing of contact conducting of forwarder relay J 2, vibrations forwarder 10 is started working, and electrode cap is by new part transfer lime7Fall in new part container 9, when each electrode cap is by going out part proximity switch Kc, goes out part proximity switch Kc and export a signal to PLC. PLC starts to be reset by counting in early stage. After when early stage, counting makes zero, PLC cuts off the power supply of forwarder relay J 2, and vibrations forwarder 10 stops work. Replacing personnel take out the new electrode cap of replacing from new part container 9, and now the repair and replacement flow process of an electrode cap completes.
The present invention can reduce the input of labor force, accurately identifies electrode cap state, avoids to keep in repair electrode cap by the generation of the situation of scrapping.
Claims (6)
1. device repaiied by an electrode cap automatic transceiving and mill, it is characterized in that, it comprises cabinet (14), old part sorter, arrangement for grinding, dispensing apparatus and Controlling System, described old part sorter comprises being horizontally fixed on and passes on cylinder (12) and baffle plate cylinder (4) and the old part inlet tube (3) that is sequentially arranged in cabinet (14) from top to bottom on cabinet (14) inwall, pass on pipe (15), horizontal baffle (16) and waste product transfer lime (17), the described piston rod passing on cylinder (12) switches through and send pipe (15), pass on cylinder (12) piston rod two limit positions respectively correspondence pass on the initial bit of pipe (15) and send part position, described old part inlet tube (3), initial bit passes on pipe (15) and waste product transfer lime (17) coaxially to each other, the lower termination waste vessel (8) of waste product transfer lime (17), the piston rod of described baffle plate cylinder (4) connects horizontal baffle (16),
Described arrangement for grinding comprises compression cylinder (2), coping device (5) and coping device cylinder (11), described coping device cylinder (11) is horizontally fixed on cabinet (14) inwall, described coping device (5) is fixed on the piston rod end of coping device cylinder (11), the grinding surface on its top concordant with the upper surface of horizontal baffle (16) and with pass on pipe (15) send part position corresponding, described compression cylinder (2) vertical lifting is on the top board of cabinet (14), and its piston-rod lower end send part position corresponding with passing on pipe (15).
2. device repaiied by electrode cap automatic transceiving according to claim 1 and mill, it is characterized in that, described dispensing apparatus comprises vibrations forwarder (10), new part transfer lime (7) and new part container (9), described vibrations forwarder (10) and new part container (9) are fixed on coping device (5) lower section successively, and the part mouth that goes out of vibrations forwarder (10) is connected by the part mouth that enters of new part transfer lime (7) with new part container (9).
3. device repaiied by electrode cap automatic transceiving according to claim 2 and mill, it is characterized in that, described Controlling System comprises PLC, goes out part proximity switch (Kc), enters part proximity switch, starting switch (QK) and be arranged on compression cylinder (2), baffle plate cylinder (4), coping device cylinder (11) respectively and pass on eight magnetic switches of cylinder (12) front and back end, described enter part proximity switch arrange two, the two is arranged above and below and is fixed on initial bit and passes on the side of pipe (15); Described go out part proximity switch (Kc) be fixed on the side of new part transfer lime (7), one end ground connection of these switches, the other end connects the different input ports of PLC respectively; Ten output ports of PLC connect respectively coping device rly. (J1), forwarder rly. (J2), baffle plate cylinder advance magnetic valve (Vdq), baffle plate cylinder retreat magnetic valve (Vdh), pass on cylinder advance magnetic valve (Vzq), the cylinder that passes on retreat magnetic valve (Vzh), compression cylinder advance magnetic valve (Vyq), compression cylinder retreat magnetic valve (Vyh), coping device cylinder advance magnetic valve (Vxq) and coping device cylinder retrogressing magnetic valve (Vxh) control end.
4. device repaiied by electrode cap automatic transceiving according to claim 3 and mill, it is characterized in that, described arrangement for grinding also comprises sleeve pipe of raising one's hat (13), described in raise one's hat that to be enclosed within the piston rod of compression cylinder (2) outside for sleeve pipe (13) pine, the cylinder body of its upper end and compression cylinder (2) connects admittedly.
5. device repaiied by electrode cap automatic transceiving according to claim 4 and mill, it is characterized in that, described dispensing apparatus also comprises flow deflector (6), and described flow deflector (6) tilts to be fixed on coping device (5) lower section, and its lower end is corresponding with the opening for feed of vibrations forwarder (10).
6. device repaiied by electrode cap automatic transceiving according to claim 5 and mill, it is characterized in that, the top of described vibrations forwarder (10) is also provided with new part inlet tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310257132.8A CN103331673B (en) | 2013-06-26 | 2013-06-26 | Device repaiied by electrode cap automatic transceiving and mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310257132.8A CN103331673B (en) | 2013-06-26 | 2013-06-26 | Device repaiied by electrode cap automatic transceiving and mill |
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| Publication Number | Publication Date |
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| CN103331673A CN103331673A (en) | 2013-10-02 |
| CN103331673B true CN103331673B (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310257132.8A Active CN103331673B (en) | 2013-06-26 | 2013-06-26 | Device repaiied by electrode cap automatic transceiving and mill |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827364A (en) * | 2015-05-12 | 2015-08-12 | 吴中区横泾嘉运模具厂 | Welding point polishing mechanism of welding machine for enclosed compressor top shell |
| CN105538315B (en) * | 2016-01-04 | 2017-06-13 | 江苏工程职业技术学院 | A kind of diode unilateral conduction inspecting manipuator system and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2492830Y (en) * | 2001-07-18 | 2002-05-22 | 张慧才 | Automatic bearing inner diameter measuring and sorting instrument |
| EP1797986A1 (en) * | 2005-12-19 | 2007-06-20 | INPRO Innovationsgesellschaft für fortgeschrittene Produktionssysteme in der Fahrzeugindustrie mbH | Milling device, in particular for milling electrode caps and spot welding electrodes made of copper |
| CN201470617U (en) * | 2009-08-31 | 2010-05-19 | 深圳市鸿益进五金有限公司 | Contact type opto-electrical screen grader |
| CN201940704U (en) * | 2010-12-24 | 2011-08-24 | 广州市极动焊接机械有限公司 | Grinding device for pneumatic drill press type welding electrode cap |
| CN201940703U (en) * | 2010-12-06 | 2011-08-24 | 浙江金刚汽车有限公司 | Grinding device for electrode tips |
-
2013
- 2013-06-26 CN CN201310257132.8A patent/CN103331673B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2492830Y (en) * | 2001-07-18 | 2002-05-22 | 张慧才 | Automatic bearing inner diameter measuring and sorting instrument |
| EP1797986A1 (en) * | 2005-12-19 | 2007-06-20 | INPRO Innovationsgesellschaft für fortgeschrittene Produktionssysteme in der Fahrzeugindustrie mbH | Milling device, in particular for milling electrode caps and spot welding electrodes made of copper |
| CN201470617U (en) * | 2009-08-31 | 2010-05-19 | 深圳市鸿益进五金有限公司 | Contact type opto-electrical screen grader |
| CN201940703U (en) * | 2010-12-06 | 2011-08-24 | 浙江金刚汽车有限公司 | Grinding device for electrode tips |
| CN201940704U (en) * | 2010-12-24 | 2011-08-24 | 广州市极动焊接机械有限公司 | Grinding device for pneumatic drill press type welding electrode cap |
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| CN103331673A (en) | 2013-10-02 |
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Effective date of registration: 20200103 Address after: 314200 north side of Rongrong Road, east side of Pingshan Avenue, Pinghu Economic and Technological Development Zone, Jiaxing City, Zhejiang Province Patentee after: Pinghu branch of Great Wall Motor Co., Ltd Address before: 071000 No. 2266 Chaoyang South Street, Hebei, Baoding Patentee before: Changcheng Automobile Co., Ltd. |