CN212019792U - Automatic welding device for stator core - Google Patents
Automatic welding device for stator core Download PDFInfo
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- CN212019792U CN212019792U CN202020487883.4U CN202020487883U CN212019792U CN 212019792 U CN212019792 U CN 212019792U CN 202020487883 U CN202020487883 U CN 202020487883U CN 212019792 U CN212019792 U CN 212019792U
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Abstract
The utility model discloses an automatic welding device for a stator core, which relates to the technical field of welding equipment and comprises a machine body, wherein the machine body comprises a welding gun assembly, a clamping assembly and a workbench, and the clamping assembly is positioned on the workbench and arranged in a sliding manner along the length direction of the workbench; the clamping assembly comprises a fixed angle chuck which is horizontally arranged, and the fixed angle chuck rotates at regular time; a rotating shaft is arranged at the axis of the fixed angle chuck in a penetrating way, and the rotating shaft and the fixed angle chuck rotate coaxially; the stator component is sleeved on the circumferential outer side of the rotating shaft and rotates coaxially with the rotating shaft; the welding gun assembly is positioned on the workbench and comprises a welding gun, the welding gun is perpendicular to the rotating shaft, and the welding gun is arranged corresponding to one waist-shaped hole facing the welding gun. The utility model discloses have the automatic pivot of rotating to seam crossing through welding rifle automatic weld stator core reduces the phenomenon that lacks the welding and leak the welding, thereby promotes stator core's welding quality's effect.
Description
Technical Field
The utility model belongs to the technical field of the welding equipment technique and specifically relates to a stator core automatic welder is related to.
Background
The stator assembly is currently the stationary part of the motor, whose main role is to generate a rotating magnetic field. The overall structure of the existing stator assembly 1 is schematically shown in fig. 1, and the stator assembly 1 is composed of three parts, namely a plurality of stator cores 11, stator windings 12 and a stator base 13. During production, firstly, a copper wire serving as a stator winding 12 is wound on a winding position on the stator core 11, and then the stator cores 11 with the stator winding 12 are spliced with each other to be integrally installed in the stator base 13, so that the stator assembly 1 is formed. A plurality of kidney-shaped holes 131 are uniformly distributed on the circumferential side wall of the stator base 13, the kidney-shaped holes 131 are formed along the length direction of the stator base 13, and the kidney-shaped holes 131 are respectively arranged corresponding to the joints between the adjacent stator cores 11.
Among the above-mentioned prior art scheme, stator core's connected mode adopts manual welding's mode more, and the stator frame that will be equipped with stator core installs in the pivot, and the pivot is rotated to the manual work, and the welding of waist type hole department is in the same place adjacent stator core through the welding rifle.
The above prior art solutions have the following drawbacks: the stator core is welded by manually rotating the rotating shaft, and the phenomenon of welding missing and welding missing is easily caused under the control of human factors, so that the welding quality of the stator core is difficult to control.
SUMMERY OF THE UTILITY MODEL
According to the not enough of prior art existence, the utility model aims at providing a stator core automatic welder has the automatic pivot that rotates to through welding rifle automatic weld stator core's seam crossing, reduce to lack the phenomenon of welding the hourglass and welding, thereby promote stator core's welding quality's effect.
The above technical purpose of the present invention can be achieved by the following technical solutions:
an automatic welding device for a stator core comprises a machine body, wherein the machine body comprises a welding gun assembly, a clamping assembly and a workbench, and the clamping assembly is positioned on the workbench and arranged in a sliding manner along the length direction of the workbench;
the clamping assembly comprises a fixed angle chuck which is horizontally arranged, and the fixed angle chuck rotates at regular time; a rotating shaft penetrates through the axis of the fixed angle chuck, and the rotating shaft and the fixed angle chuck rotate coaxially; the stator assembly is sleeved on the circumferential outer side of the rotating shaft and rotates coaxially with the rotating shaft;
the welding gun assembly is located on the workbench and comprises a welding gun, the welding gun is perpendicular to the rotating shaft, and the welding gun is arranged towards a waist-shaped hole of the welding gun.
Through adopting above-mentioned technical scheme, the decide angle chuck is used for according to the internal diameter size that encloses into the annular stator core of circle, and the cooperation centre gripping is the pivot of different external diameters for when stator module cover was established in the pivot, can rotate with the pivot. The welding gun corresponds a waist type hole setting, and the clamping subassembly can be followed the length direction of workstation and slided and be connected. When a waist-shaped hole is welded by the welding gun, the clamping assembly slides, so that the welding gun can automatically weld the seam of the stator core along the length direction of the waist-shaped hole.
The fixed angle chuck can rotate the rotating shaft at regular time and fixed angle according to the number of the waist-shaped holes, and after the welding gun welds the seam of the stator core in one waist-shaped hole, the fixed angle chuck rotates the angle, so that the next waist-shaped hole corresponds to the welding gun, and the welding gun is convenient to weld by continuously sliding. The automatic rotating shaft is arranged, the seam of the stator core is automatically welded through the welding gun, the phenomenon of missing welding and missing welding is reduced, and therefore the welding quality of the stator core is improved.
The present invention may be further configured in a preferred embodiment as: the clamping assembly further comprises a mounting seat, a transmission motor, a first bevel gear and a second bevel gear which are meshed with each other, the mounting seat is hollow, and one end, far away from the stator base, of the fixed-angle chuck is inserted into the mounting seat and is rotatably connected with the mounting seat;
the transmission motor is fixedly connected with the side wall of one side of the mounting seat, and an output shaft of the transmission motor extends into the mounting seat;
the transmission motor with the pivot sets up perpendicularly, first bevel gear with the second bevel gear is located inside the mount pad, just first bevel gear is fixed to be overlapped and is located on the transmission motor output shaft, the fixed cover of second bevel gear is located the fixed angle chuck is located the inside one end circumference outside of mount pad.
Through adopting above-mentioned technical scheme, the mount pad is used for installing drive motor and decide angle chuck, and drive motor drives through the meshing of first bevel gear and second bevel gear and decides angle chuck and rotate to can be through the timing fixed angle rotation of drive motor's timing on-off control fixed angle carousel, thereby realize automatic rotation pivot and make the welding rifle can correspond waist type hole welding automatically, then can reduce the phenomenon that lacks the welding and leak the welding, and can promote stator core's welding quality.
The present invention may be further configured in a preferred embodiment as: the clamping assembly further comprises a first sliding seat, the installation seat is located at the top of the first sliding seat and fixedly connected with the first sliding seat, the top of the workbench is provided with a second sliding seat along the length direction of the rotating shaft, and the first sliding seat is connected with the second sliding seat in a sliding manner along the length direction of the second sliding seat.
Through adopting above-mentioned technical scheme, the first seat of sliding can be convenient for install fixed mounting seat, and the second seat of sliding can be convenient for the direction first seat of sliding that slides for the first seat of sliding can follow the extending direction of the second seat of sliding and stable and directional the sliding.
The present invention may be further configured in a preferred embodiment as: the second sliding seat adopts a rodless cylinder, and the first sliding seat is a sliding block of the rodless cylinder.
Through adopting above-mentioned technical scheme, no pole cylinder fault rate is lower, and is comparatively even to the thrust of slider, can be convenient for make the sliding of mount pad comparatively steady. The slide block of the rodless cylinder has high positioning precision, and can be convenient for controlling the relative positions of the two axial ends of the waist-shaped hole and the welding gun, thereby preventing the welding gun from being welded outside the waist-shaped hole.
The present invention may be further configured in a preferred embodiment as: one side of the mounting seat is connected with an indicating disc, the axis of the indicating disc is rotatably connected with an indicating shaft, one end of the indicating shaft is connected with an indicating needle, and the other end of the indicating shaft is connected with the output shaft of the transmission motor or the fixed angle chuck.
Through adopting above-mentioned technical scheme, the dial is used for showing the directional angle of pointer, and the pointer shaft is used for rotating jointly with drive motor output shaft or fixed angle chuck to make the pointer rotate around the dial axle center. The pointer and the cooperation of indicator panel can be convenient for operating personnel to observe the corner of pointer through the indicator panel to judge whether the welding rifle leaks to weld, lack to weld or the waist type hole skew with the corresponding relation of welding rifle, and then can be to the welded quality of accuse stator core.
The present invention may be further configured in a preferred embodiment as: the welding gun assembly further comprises a supporting seat which is vertically arranged and a telescopic rod which is parallel to the workbench, one end of the supporting seat is fixedly connected with the workbench, and the other end of the supporting seat is connected with the telescopic rod; the telescopic link is kept away from the one end of supporting seat with welding rifle fixed connection.
Through adopting above-mentioned technical scheme, the supporting seat is used for supporting and connecting the telescopic link, and the telescopic link is used for connecting the welding rifle, and can control the relative position relation of welding rifle and stator module through the flexible of telescopic link to make the different external diameter size's of welding that the welding rifle can great degree stator module.
The present invention may be further configured in a preferred embodiment as: the welding gun is vertically arranged and is located above the stator base and corresponds to the waist-shaped hole in one side, away from the first sliding seat, of the stator base.
Through adopting above-mentioned technical scheme, the welding rifle is located stator frame top, when both can be convenient for install stator module for one of them waist type hole is towards the welding rifle setting all the time, and can be great degree avoid removing the welding rifle, make the initial relative position of welding rifle and pivot comparatively easy the accuse.
The present invention may be further configured in a preferred embodiment as: the welding gun comprises a gun seat and a gun head, one end of the gun seat is fixedly connected with the telescopic rod, the other end of the gun seat is connected with the gun head, and the gun head is connected with the gun seat in a lifting mode.
Through adopting above-mentioned technical scheme, the rifle seat is connected with the telescopic link goes up and down, can be convenient for adjust the perpendicular distance between rifle head distance waist type hole to be convenient for better control stator core seam crossing's welding effect.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the automatic rotating of the rotating shaft can be realized through the arrangement of the fixed-angle chuck, the rotating shaft and the welding gun, the seam of the stator core is automatically welded through the welding gun, the phenomenon of missing welding and missing welding is reduced, and therefore the effect of improving the welding quality of the stator core is improved;
2. the transmission motor, the first bevel gear and the second bevel gear are arranged, so that the effect of reducing the phenomena of missing welding and missing welding can be achieved by opening and closing the transmission motor at regular time to control the regular-angle rotation of the fixed-angle rotating disc;
3. through the setting of the first seat and the second seat that slide, can play the directional and stable slip of control mount pad of being convenient for stator module can produce the displacement along its axial, thereby the effect of the welding gun welding stator core seam department of being convenient for.
Drawings
Fig. 1 is a schematic view of the overall structure of a stator assembly in the prior art.
Fig. 2 is a schematic view of the overall structure of the welding device of the present invention.
Fig. 3 is a schematic view of the connection structure of the welding apparatus in this embodiment.
Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.
In the figure, 1, a stator assembly; 11. a stator core; 12. a stator winding; 13. a stator frame; 131. a kidney-shaped hole; 2. a body; 21. a PLC controller; 3. a welding gun assembly; 31. a supporting seat; 32. a telescopic cylinder; 33. a telescopic rod; 34. welding a gun; 341. a gun seat; 342. a gun head; 4. clamping the assembly; 41. a first sliding seat; 42. a mounting seat; 43. a drive motor; 44. a first bevel gear; 45. a fixed angle chuck; 46. a second bevel gear; 47. a rotating shaft; 5. an indicator panel; 51. an indicator shaft; 52. an indicator needle; 53. a connecting ring; 6. a work table; 61. and a second sliding seat.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
referring to fig. 2, the utility model discloses a stator core automatic welder, including organism 2, organism 2 includes welder subassembly 3, clamping subassembly 4 and workstation 6, and welder subassembly 3 and clamping subassembly 4 are located workstation 6. Install the second along its length direction on the 6 mesa of workstation and slide seat 61, clamping subassembly 4 includes first seat 41 that slides, and first seat 41 joint that slides in second seat 61 upper surface and slide along second seat 61 length direction and connect. In order to facilitate the control of the sliding accuracy of the second sliding seat 61, in this embodiment, the second sliding seat 61 employs a rodless cylinder, and the first sliding seat 41 is a sliding block of the rodless cylinder.
Referring to fig. 3 and 4, the clamping assembly 4 further includes an installation seat 42, a transmission motor 43, and a fixed-angle chuck 45, the bottom of the installation seat 42 is fixedly installed on the top of the first sliding seat 41 through a bolt, and the installation seat 42 is hollow inside. In order to facilitate the installation and fixation of the installation seat 42, one side wall of the installation seat 42 is detachably disposed. The transmission motor 43 is arranged at the top of the mounting seat 42, and an output shaft of the transmission motor penetrates into the mounting seat 42; the fixed angle chuck 45 is rotatably connected with the side wall of one side of the mounting seat 42, and the axial direction of the fixed angle chuck 45 is parallel to the sliding direction of the first sliding seat 41. A first bevel gear 44 and a second bevel gear 46 which are meshed with each other are arranged inside the mounting seat 42, the first bevel gear 44 is fixedly sleeved on an output shaft of the transmission motor 43, and the second bevel gear 46 is fixedly sleeved on the circumferential outer side of one end, extending into the mounting seat 42, of the fixed angle chuck 45.
Referring to fig. 2, the table 6 is further provided with a PLC controller 21, and the PLC controller 21 controls the transmission motor 43 to be turned on and off at regular time, so as to control the fixed-angle chuck 45 to rotate at regular time and angle. The rotating shaft 47 is clamped at the axis of the fixed angle chuck 45, the stator assembly 1 is sleeved on the rotating shaft 47, one end of the stator base 13 is sleeved at the jaw of the fixed angle chuck 45, and the fixed angle chuck 45 rotates to drive the rotating shaft 47 and the stator assembly 1 to rotate simultaneously. The rodless cylinder is opened and closed at regular time through the PLC 21, so that the first sliding seat 41 can drive the mounting seat 42 to integrally position and slide. The welding gun assembly 3 comprises a welding gun 34, and the seam of each stator core 11 in the circumferential direction of the stator assembly 1 can be continuously welded under the condition that the welding gun 34 is fixed, so that the phenomenon of missing welding and missing welding is reduced, and the welding quality of the stator cores 11 is easy to control.
Referring to fig. 3 and 4, in order to facilitate observing the rotation angle of the rotating shaft 47, the side wall of the mounting seat 42 opposite to the fixed angle rotating disc is connected with an indicating disc 5, the axis of the indicating disc 5 is rotatably connected with an indicating shaft 51, one end of the indicating shaft 51 extending out of the mounting seat 42 is connected with an indicating needle 52, the other end is fixedly sleeved with a connecting ring 53, and the connecting ring 53 is fixedly connected with one end of the fixed angle chuck 45 and coaxially rotates. The operator observes the rotation angle of the pointer 52 through the indicating dial 5, and thereby judges whether the welding gun 34 is missed, lack of welding or the rotation angle number of the waist-shaped hole 131 is not enough to correspond to the welding gun 34.
Referring to fig. 2, the welding gun assembly 3 further includes a support base 31, a telescopic cylinder 32 and a telescopic rod 33, wherein the support base 31 and the welding gun 34 are vertically arranged, and the telescopic cylinder 32 and the telescopic rod 33 are horizontally arranged. One end of the supporting seat 31 is fixedly installed on the surface of the workbench 6 through a bolt, and the other end is welded with the telescopic cylinder 32. The telescopic rod 33 is welded with a piston rod of the telescopic cylinder 32, the welding gun 34 comprises a gun seat 341 and a gun head 342, and one end of the telescopic rod 33, which is far away from the telescopic cylinder 32, is welded with the side wall of the gun seat 341. The gun head 342 is located at one end of the gun base 341 facing the rotating shaft 47, the axial direction of the gun head 342 is perpendicular to the axial direction of the rotating shaft 47, and the gun head 342 is connected in a lifting manner along the extending direction of the gun base 341.
Referring to fig. 2 and 3, the PLC controller 21 is electrically connected to the telescopic cylinder 32, and after the stator assembly 1 is sleeved on the rotating shaft 47, the telescopic cylinder 32 stretches and retracts to drive the welding gun 34 to move to a position right above the stator assembly 1, so that the gun head 342 is arranged corresponding to one end of the kidney-shaped hole 131. And then, the height of the gun head 342 is adjusted in a lifting mode, so that the distance between the gun head 342 and the waist-shaped hole 131is 1-6 cm, and welding of the gun head 342 is facilitated. In this embodiment, the lance tip 342 is laser welded.
The implementation principle of the above embodiment is as follows: firstly, the support seat 31 is fixedly installed at a position within the sliding stroke of the second sliding seat 61, and then the first sliding seat 41 is reset, so that the first sliding seat 41 is located at one end of the second sliding seat 61. The pointer 52 is then dialed so that the pointer 52 is oriented to the 50 ° scale of the dial. Then, one of the waist-shaped holes 131 of the stator assembly 1 is placed towards the side far away from the second sliding seat 61, the stator assembly 1 is sleeved on the rotating shaft 47, and one end of the stator base 13 facing the fixed-angle chuck 45 is fixed by the clamping jaw. Then, the on-off time of the transmission motor 43 is set according to the number and the length of the waist-shaped holes 131 on one stator assembly 1, and the angle of each turn-on rotation of the transmission motor 43 is equal to the degree of the included angle between two adjacent waist-shaped holes 131 or is equal to the multiple of the degree of the included angle between two adjacent waist-shaped holes 131.
The welding gun 34 is then moved over the shaft 47 by the telescopic cylinder 32 and the gun head 342 is lowered to a distance of 5 cm from the outer surface of the stator frame 13. And then starting the rodless cylinder to enable the first sliding seat 41 to slide along the extending direction of the second sliding seat 61 until the gun head 342 is positioned right above one end of the kidney-shaped hole 131 far away from the mounting seat 42. Finally, the PLC 21 controls the rodless start, and the first sliding seat 41 slides towards the direction of the installation seat 42. The welding of the lance tip 342 is started while the first slide holder 41 is slid, and the welding is stopped when the lance tip 342 is positioned above the other end portion of the kidney-shaped hole 131. The PLC controller 21 then controls the driving motor 43 to start and rotate until the end of the next kidney-shaped hole 131 corresponds to the gun head 342. Then the PLC 21 controls the rodless start, and the gun head 342 welds the seam of the stator core 11 at the next kidney-shaped hole 131. According to the steps, the rotating shaft 47 can be automatically rotated and the stator assembly 1 can be moved, so that the purpose of automatically welding seams of all the stator cores 11 on the stator assembly 1 is achieved.
When the stator core 11 with the same specification is welded, the stator core 11 can be automatically welded by controlling the transmission motor 43 and the rodless cylinder to reciprocate through the PLC 21 only by replacing the next stator assembly 1 and corresponding the kidney-shaped hole 131 and the gun head 342.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a stator core automatic welder which characterized in that: the welding gun clamping device comprises a machine body (2), wherein the machine body (2) comprises a welding gun assembly (3), a clamping assembly (4) and a workbench (6), and the clamping assembly (4) is positioned on the workbench (6) and is arranged in a sliding mode along the length direction of the workbench (6);
the clamping assembly (4) comprises a fixed-angle chuck (45) which is horizontally arranged, and the fixed-angle chuck (45) rotates at regular time; a rotating shaft (47) penetrates through the axis of the fixed angle chuck (45), and the rotating shaft (47) and the fixed angle chuck (45) rotate coaxially; the stator assembly (1) is sleeved on the circumferential outer side of the rotating shaft (47) and rotates coaxially with the rotating shaft (47);
the welding gun assembly (3) is located on the workbench (6) and comprises a welding gun (34), the welding gun (34) is perpendicular to the rotating shaft (47), and the welding gun (34) is arranged towards a waist-shaped hole (131) of the welding gun assembly correspondingly.
2. The automatic welding device for the stator core according to claim 1, wherein: the clamping assembly (4) further comprises a mounting seat (42), a transmission motor (43), a first bevel gear (44) and a second bevel gear (46) which are meshed with each other, the mounting seat (42) is hollow, and one end, away from the stator base (13), of the fixed-angle chuck (45) is inserted into the mounting seat (42) and is rotatably connected with the mounting seat (42);
the transmission motor (43) is fixedly connected with the side wall of one side of the mounting seat (42), and an output shaft of the transmission motor extends into the mounting seat (42);
the transmission motor (43) and the rotating shaft (47) are arranged vertically, the first bevel gear (44) and the second bevel gear (46) are located inside the mounting seat (42), the first bevel gear (44) is fixedly sleeved on an output shaft of the transmission motor (43), and the second bevel gear (46) is fixedly sleeved on the circumferential outer side of one end, located inside the mounting seat (42), of the fixed-angle chuck (45).
3. The automatic welding device for the stator core according to claim 2, wherein: clamping subassembly (4) still include first seat (41) that slides, mount pad (42) are located first seat (41) top of sliding and with first seat (41) fixed connection that slides, workstation (6) top is followed pivot (47) length direction is provided with second seat (61) that slides, first seat (41) that slides are followed the length direction of second seat (61) that slides connects.
4. The automatic welding device for the stator core according to claim 3, wherein: the second sliding seat (61) adopts a rodless cylinder, and the first sliding seat (41) is a sliding block of the rodless cylinder.
5. The automatic welding device for the stator core according to claim 3, wherein: one side of the mounting seat (42) is connected with an indicating disc (5), the axis of the indicating disc (5) is rotatably connected with an indicating shaft (51), one end of the indicating shaft (51) is connected with an indicating needle (52), and the other end of the indicating shaft is connected with an output shaft of the transmission motor (43) or the fixed-angle chuck (45).
6. The automatic welding device for the stator core according to claim 3, wherein: the welding gun assembly (3) further comprises a supporting seat (31) which is vertically arranged and an expansion rod (33) which is parallel to the workbench (6), one end of the supporting seat (31) is fixedly connected with the workbench (6), and the other end of the supporting seat is connected with the expansion rod (33); one end of the telescopic rod (33) far away from the supporting seat (31) is fixedly connected with the welding gun (34).
7. The automatic welding device for the stator core according to claim 6, wherein: welding gun (34) vertical setting, just welding gun (34) are located stator frame (13) top to it keeps away from to correspond stator frame (13) waist type hole (131) setting of first seat (41) one side that slides.
8. The automatic welding device for the stator core according to claim 7, wherein: the welding gun (34) comprises a gun seat (341) and a gun head (342), one end of the gun seat (341) is fixedly connected with the telescopic rod (33), the other end of the gun seat is connected with the gun head (342), and the gun head (342) is connected with the gun seat (341) in a lifting mode.
Priority Applications (1)
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CN202020487883.4U CN212019792U (en) | 2020-04-03 | 2020-04-03 | Automatic welding device for stator core |
Applications Claiming Priority (1)
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CN202020487883.4U CN212019792U (en) | 2020-04-03 | 2020-04-03 | Automatic welding device for stator core |
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CN212019792U true CN212019792U (en) | 2020-11-27 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113927198A (en) * | 2021-12-20 | 2022-01-14 | 常州神力电机股份有限公司 | Intelligent welding device and method for wind power stator core |
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2020
- 2020-04-03 CN CN202020487883.4U patent/CN212019792U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113927198A (en) * | 2021-12-20 | 2022-01-14 | 常州神力电机股份有限公司 | Intelligent welding device and method for wind power stator core |
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Address after: 295 Fumin Road, Lucheng street, Changzhou Economic Development Zone, Jiangsu Province 213000 Patentee after: Changzhou Bohong Electric Appliance Co.,Ltd. Address before: 213000 81 gangbantou, Zhengxin village committee, Lucheng street, Wujin District, Changzhou City, Jiangsu Province Patentee before: Changzhou Bohong Electric Appliance Co.,Ltd. |
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CP02 | Change in the address of a patent holder |