CN101703981B - Automatic coating machine - Google Patents
Automatic coating machine Download PDFInfo
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- CN101703981B CN101703981B CN 200910213069 CN200910213069A CN101703981B CN 101703981 B CN101703981 B CN 101703981B CN 200910213069 CN200910213069 CN 200910213069 CN 200910213069 A CN200910213069 A CN 200910213069A CN 101703981 B CN101703981 B CN 101703981B
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Abstract
The invention relates to an automatic coating machine, wherein two swing arms of a swing mechanism are connected with an engine base; inclined swing oil cylinders are hinged on the engine base and a hinge base respectively; the main shaft of a main shaft mechanism is connected with a sliding bearing pedestal through a sliding bearing assembly; a sliding bearing cap is arranged on the sliding bearing pedestal; a lever which is hinged on the sliding bearing cap is connected with an expansion piece; the main shaft is connected with a main shaft sleeve through an intermediate sleeve; a driven wheel which is arranged on the main shaft sleeve is connected with a motor through a driving belt; the main shaft sleeve is sleeved on the main shaft and the intermediate sleeve; a main shaft seat is connected with the main shaft sleeve through an upper bearing and a lower bearing; the main shaft is arranged on the engine base; the workpiece basket positioning plate of a workpiece basket clamping mechanism is arranged on the main shaft sleeve; the bottom surface of the workpiece basket positioning plate is provided with a positioning groove; a pressure plate which is arranged at the bottom of the main shaft is provided with a clamping holder; and a workpiece basket cover plate is arranged on the workpiece basket positioning plate by a cover plate fastener. The automatic coating machine has the characteristics of compact and reasonable structure, small volume, short assistant operation time, capability of being fast assembled and disassembled from the workpiece basket, work efficiency improvement, and the like.
Description
Technical field
The present invention relates to a kind of automatic coating machine, belong to the application techniques field.
Background technology
Paint-on technique mainly utilizes automatic coating machine to carry out application to work, the workpiece that the surface need apply is put into workpiece basket by feed mechanism, again workpiece basket is placed in immersion trough workpiece is carried out dip-coating, under motor-driven, the coating machine High Rotation Speed is attached to coating the workpiece that is coated with equably, and unnecessary water or liquid are dried fast and effectively, last workpiece basket by conveying device to shedding mechanism with the part discharging.At present advanced coating machine is that the column that oscillating motor and rotary electric machine are arranged on respectively the dihedral swing arm is connected, can drive the dihedral swing arm by oscillating motor moves along the central axis spin axis of main shaft, swing and drive workpiece basket, rotate electronic drive shaft rotation and make workpiece basket carry out centrifugal coating and drying, make workpiece basket can carry out centrifugal coating and drying in swing.The main shaft bottom of coating machine is equipped with automatic clamping device slidably, automatic clamping device is by being arranged on the axially movable oil cylinder of main shaft outside control main shaft, be arranged on that rotating shaft is connected with axle bed and the movable sleeving that is connected with oil cylinder and the workpiece basket cover plate that is arranged on the rotating shaft bottom consist of, and workpiece basket cover plate and movable sleeving are arranged on the clamp mechanism that is made of clamp jaw, under the drive of oil cylinder, movable sleeving can axially move and control the clamp jaw action along rotating shaft and axle bed, and the workpiece basket cover plate is connected on workpiece basket.This automatic coating machine can increase substantially production efficiency, but be the structure of cantilever beam due to swinging structure, clamp mechanism adopts a plurality of clamp jaw structures in addition, complex structure not only, weight is heavier, and for satisfying the rigidity requirement of coating machine, the base volume of dihedral swing arm and installation oscillating motor is large, the floor space of coating machine is larger, and energy consumption is high.Moreover during the clamping work pieces basket, after need first starting oil cylinder and first being placed on the workpiece basket cover plate on workpiece basket, oil cylinder shrinks and drives clamp jaw clamping work pieces basket, the impulse stroke that clamps is longer, the aided process time is longer, can't further increase work efficiency, therefore limited the field of employment of coating machine.
Summary of the invention
The purpose of this invention is to provide that a kind of compact conformation is reasonable, volume is little, overhead time is short, can load and unload fast with workpiece basket the automatic coating machine of increasing work efficiency.
The present invention is that the technical scheme that achieves the above object is: a kind of automatic coating machine is characterized in that: comprise support, be arranged on motor, swing mechanism, mainshaft mechanism and workpiece basket clamp mechanism on support;
Described swing mechanism comprises two swing arms and oscillating oil cylinder or oscillating cylinder, the two swing arm bottoms that are fixedly connected with support are arranged on respectively in the rotating shaft of same axial line, rotating shaft is connected with side shaft holder by side bearing, one end of tilting oscillating oil cylinder or oscillating cylinder is hinged in support or swing arm, and the other end of oscillating oil cylinder or oscillating cylinder is hinged on hinged seat;
described mainshaft mechanism comprises sliding bearing lid and plain bearing housing, spindle drum, collar bush, intermediate sleeve and main shaft, main shaft top is connected with plain bearing housing by the sliding bearing group, principal shaft locking spare is arranged on the top of main shaft and joins with the sliding bearing group, the sliding bearing lid is arranged on plain bearing housing, and being hinged on lever that sliding bearing covers is connected with extensible member that can axial stretching, extensible member is arranged on support, can be connected with intermediate sleeve by axially movable main shaft, intermediate sleeve is connected with collar bush, follower is arranged on the top of collar bush and is connected with driving wheel on motor by driving-belt or driving-chain, collar bush is sleeved on stair-stepping main shaft and intermediate sleeve, spindle drum is connected with collar bush with lower bearing by upper bearing (metal), spindle drum is arranged on support, upper ball cover and lower ball cover are arranged on respectively the two ends up and down of spindle drum,
Described workpiece basket clamp mechanism comprises workpiece basket location-plate, platen and workpiece basket cover plate, the workpiece basket location-plate is arranged on collar bush, and the bottom surface of workpiece basket location-plate has the locating slot that joins with the workpiece basket Connection Block, the platen that is arranged on main shaft bottom has the deck that joins with the workpiece basket Connection Block, the workpiece basket cover plate hangs tight by cover plate the bottom that part is arranged on the workpiece basket location-plate, and between workpiece basket cover plate and platen, spring is installed.
Coating machine of the present invention swings support or swing arm by an end band of tilting oscillating oil cylinder or oscillating cylinder, therefore can control by the impulse stroke of oscillating oil cylinder or oscillating cylinder the pendulum angle of support, and it is convenient to control.The present invention is arranged on main shaft, intermediate sleeve and the collar bush of mainshaft mechanism by being connected on support, main shaft can be axially moved and can rotate along axis, therefore in oscillating oil cylinder or oscillating cylinder action, the Electric Machine Control main shaft rotates can carry out centrifugal coating and drying to the workpiece in workpiece basket in swing.Workpiece basket clamp mechanism of the present invention is connected the workpiece basket location-plate and is connected with platen by being arranged on respectively with collar bush at main shaft, only need the workpiece basket Connection Block is inserted between workpiece basket location-plate and platen, extensible member by the top makes platen and workpiece basket location-plate clamping work pieces basket, fast workpiece basket and coating machine are installed, compact conformation, rationally, it is firm to clamp, and loads and unloads very convenient.The present invention is owing to only needing workpiece basket location-plate and platen to coordinate the purpose that reaches the clamping work pieces basket with main shaft, and non-cutting time is short, can further improve coating efficiency.The present invention is arranged on mainshaft mechanism, workpiece basket clamp mechanism and motor on a support, and support by two swing arms along hinged center rotating, reasonable stress can reduce the volume of coating machine, energy consumption is low, floor space is little, and is applied widely.
Description of drawings
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
Fig. 1 is the structural representation that the present invention removes oscillating oil cylinder.
Fig. 2 is the plan structure schematic diagram of Fig. 1.
Fig. 3 is the side-looking structural representation of Fig. 1.
wherein: 1-side bearing lid, the 2-side shaft holder, the 3-rotating shaft, the 4-side bearing, the 5-swing arm, the 6-workpiece basket, 7-workpiece basket Connection Block, the 8-motor, the 9-motor cabinet, the 10-driving wheel, the 11-driving-belt, the 12-support, the 13-upper bearing (metal), the 14-upper ball cover, the 15-locking nut, the 16-travel switch, the 17-follower, 18-sliding bearing lid, 19-principal shaft locking spare, 20-sliding bearing group, the 21-plain bearing housing, 22-slip cap positioning seat, the 23-lever, the 24-strut, the 25-extensible member, the 26-spindle drum, the 27-collar bush, the 28-main shaft, the shaft shoulder under 28-1-, the upper shaft shoulder of 28-2-, the 29-lower bearing, the 30-lower ball cover, the 31-intermediate sleeve, 32-workpiece basket location-plate, the 33-spring base, the 34-spring, the 35-cover plate hangs tight part, the 36-platen, 37-workpiece basket cover plate, the 38-oscillating oil cylinder, the 39-hinged seat, the 40-regulating wheel, the 41-fork.
The specific embodiment
See shown in Fig. 1～3, coating machine of the present invention comprises support 12, is arranged on motor 8 and swing mechanism, mainshaft mechanism and workpiece basket clamp mechanism on support 12, and motor cabinet 9 is arranged on support 12, and motor 8 is inverted and is arranged on support 12.swing mechanism of the present invention comprises two swing arms 5 and oscillating oil cylinder 38 or oscillating cylinder, two swing arms 5 are fixedly connected with support 12, the bottom of two swing arms 5 is arranged on respectively in the rotating shaft 3 of same axial line, rotating shaft 3 is connected with side shaft holder 2 by side bearing 4, side bearing lid 1 is arranged on side shaft holder 2, side shaft holder 2 is arranged on bearing or ground, oscillating oil cylinder 38 or oscillating cylinder are tilting, and an end of oscillating oil cylinder 38 or oscillating cylinder is hinged in support 12 or swing arm 5, the other end of oscillating oil cylinder 38 or oscillating cylinder is hinged on hinged seat 39, see Fig. 2, shown in 3, oscillating oil cylinder 38 of the present invention or oscillating cylinder symmetry are hinged in support 12 or swing arm 5, angle β between the axis of the axis of oscillating oil cylinder 38 or oscillating cylinder and main shaft 28 is at 15～40 °, the center of rotation horizontal line of hinged seat 39 is lower than the center of rotation horizontal line of rotating shaft 3, for better regulating the working depth of workpiece basket, the front portion of oscillating oil cylinder 38 or oscillating cylinder is equipped with yoke, the two ends of fork 41 are hinged on respectively in yoke and support 12 or swing arm 5, stretching motion by oscillating oil cylinder 38 or oscillating cylinder makes two swing arms 5 along the axial line rotation of rotating shaft 3, support 12 is swung.
see shown in Fig. 1～3, mainshaft mechanism of the present invention comprises sliding bearing lid 18 and plain bearing housing 21, spindle drum 26, collar bush 27, intermediate sleeve 31 and main shaft 28, main shaft 28 tops are connected with plain bearing housing 21 by sliding bearing group 20, this sliding bearing group 20 is made of the taper roll bearing on top and the cylindrical bearing of bottom, taper roll bearing and cylindrical bearing are spacing by plain bearing housing 21 and sliding bearing lid 18, principal shaft locking spare 19 is arranged on main shaft 28 tops and joins with sliding bearing group 20, principal shaft locking spare 19 can adopt two locking nuts, plain bearing housing 21 is fixedly connected with main shaft 28, sliding bearing lid 18 is arranged on plain bearing housing 21 by securing member, and sliding bearing lid 18 is provided with hinged seat, the lever 23 that is hinged on sliding bearing lid 18 is connected with the extensible member 25 of energy axial stretching, extensible member 25 is arranged on support 12, this extensible member 25 can adopt oil cylinder or cylinder, axially-movable by extensible member 25 makes sliding bearing lid 18 drive plain bearing housing 21, sliding bearing group 20 and principal shaft locking spare 19 can axially move up and down main shaft 28.As shown in Figure 1, on support 12 of the present invention, strut 24 is installed also, and strut 24 is positioned at extensible member 25 rear portions, the other end of lever 23 is hinged on strut 24, because horizontal lever 23 two ends are hinged on respectively on sliding bearing lid 18 and strut 24, therefore can by regulating the position of extensible member 25, come adjustment (adjusting) lever when to control the axial internal clearance of main shaft.As shown in Figure 1, can be connected with intermediate sleeve 31 by axially movable main shaft 28, intermediate sleeve 31 is connected with collar bush 27, this main shaft 28 bottoms have splined shaft, and intermediate sleeve 31 is spline housing, and intermediate sleeve 31 on main shaft 28, can move axially main shaft 28 by spline joint, intermediate sleeve 31 is arranged on collar bush 27 by securing member, drives intermediate sleeve drive shaft 28 by collar bush 27 and rotates.Follower 17 of the present invention is arranged on the top of collar bush 27 and is connected with driving wheel 10 on motor 8 by driving-belt 11 or driving-chain, and support 12 of the present invention also is equipped with regulating wheel 40, by regulating wheel 40 adjusting driving-belts 11.see Fig. 1, shown in 3, collar bush 27 of the present invention is sleeved on stair-stepping main shaft 28 and intermediate sleeve 31, collar bush 27 is respectively equipped with counterbore and lower counterbore, when main shaft 28 moves, the lower shaft shoulder 28-1 of main shaft 28 and upper shaft shoulder 28-2 can move axially in the upper counterbore of collar bush 27 and lower counterbore, spindle drum 26 is connected with lower bearing by upper bearing (metal) 13 and is connected with collar bush 27, spindle drum 26 is arranged on support 12 by securing member, upper ball cover 14 and lower ball cover 30 are arranged on respectively the two ends up and down of spindle drum 26 by securing member, this upper bearing (metal) 13 is spacing by the upper shaft shoulder and the locking nut 15 of spindle drum 26, lower bearing 29 is made of two bearings at least, can adopt taper roll bearing and roller bearing, spacer is installed between two bearings, and spacing by the lower shaft shoulder and the lower ball cover 30 of spindle drum 26, to satisfy the bearing capacity of main shaft 28.The present invention also is being equipped with the slip cap positioning seat 22 that covers on follower 17 on support 12, and slip cap positioning seat 22 is positioned at driving-belt 11 or driving-chain one side has breach, for accurately controlling the axial internal clearance of main shaft 28, follower 17 and slip cap positioning seat 22 correspondences are equipped with travel switch 16.
see shown in Fig. 1～3, workpiece basket clamp mechanism of the present invention comprises workpiece basket location-plate 32, platen 36, workpiece basket cover plate 37, workpiece basket location-plate 32 is arranged on collar bush 27 by securing member, and the bottom surface of workpiece basket location-plate 32 has the locating slot that joins with workpiece basket Connection Block 7, workpiece basket Connection Block 7 is fixed on the both sides of workpiece basket 6, the platen 36 that is arranged on main shaft 28 bottoms has the deck that joins with workpiece basket Connection Block 7, workpiece basket cover plate 37 hangs tight by cover plate the bottom that part 35 is arranged on workpiece basket location-plate 32, by workpiece basket location-plate 32 and platen 36 clamping work pieces basket Connection Blocks 7, when the axially-movable of extensible member 25 makes sliding bearing lid 18, when plain bearing housing 21 and main shaft 28 move axially, drive platen 36 clampings or unclamp workpiece basket Connection Block 7 by main shaft 28.The present invention also is equipped with spring 34 between workpiece basket cover plate 37 and platen 36, the spring base 33 of uniform installation more than three on platen 36, cover plate hangs tight part 35 and is bolt and uniform being welded on workpiece basket cover plate 37, spring 34 is sleeved on cover plate and hangs tight on part 35, spring 34 two ends join with spring base 33 and workpiece basket cover plate 37 respectively, by spring 34, platen 36 are evenly withstood on workpiece basket Connection Block 7.
the workpiece basket 6 that the present invention will be equipped with workpiece pushes between workpiece basket location-plate 32 and platen 36, after workpiece basket 6 puts in place, extensible member 25 stretches out, cover 18 and promote sliding bearing, plain bearing housing 21 and main shaft 28, make platen 36 with moving on main shaft 28, make workpiece basket location-plate 32 and platen 36 lay respectively at the inside and outside both sides of workpiece basket Connection Block 7 and clamping work pieces basket Connection Block 7, workpiece basket 6 is arranged on coating machine, at this moment, opening motor 8 makes main shaft 28 drive workpiece basket 6 High Rotation Speeds, and the stretching motion of oscillating oil cylinder 38 makes swing arm 5 band engine-beds 12 along rotating shaft 3 center rotatings, workpiece basket 6 can carry out centrifugal coating and drying in swing.When extensible member 25 shrinks, promote sliding bearing lid 18, plain bearing housing 21 and main shaft 28 and move down, platen 36 moves down with main shaft 28, makes workpiece basket location-plate 32 and platen 36 break away from respectively workpiece basket Connection Block 7.
Claims (7)
1. an automatic coating machine, is characterized in that: comprise support, be arranged on motor, swing mechanism, mainshaft mechanism and workpiece basket clamp mechanism on support;
Described swing mechanism comprises two swing arms and oscillating oil cylinder or oscillating cylinder, the two swing arm bottoms that are fixedly connected with support are arranged on respectively in the rotating shaft of same axial line, rotating shaft is connected with side shaft holder by side bearing, one end of tilting oscillating oil cylinder or oscillating cylinder is hinged in support or swing arm, and the other end of oscillating oil cylinder or oscillating cylinder is hinged on hinged seat;
described mainshaft mechanism comprises sliding bearing lid and plain bearing housing, spindle drum, collar bush, intermediate sleeve and main shaft, main shaft top is connected with plain bearing housing by the sliding bearing group, principal shaft locking spare is arranged on the top of main shaft and joins with the sliding bearing group, the sliding bearing lid is arranged on plain bearing housing, and being hinged on lever that sliding bearing covers is connected with extensible member that can axial stretching, extensible member is arranged on support, can be connected with intermediate sleeve by axially movable described main shaft, intermediate sleeve is connected with collar bush, follower is arranged on the top of collar bush and is connected with driving wheel on motor by driving-belt or driving-chain, collar bush is sleeved on stair-stepping described main shaft and intermediate sleeve, spindle drum is connected with collar bush with lower bearing by upper bearing (metal), spindle drum is arranged on support, upper ball cover and lower ball cover are arranged on respectively the two ends up and down of spindle drum,
Described workpiece basket clamp mechanism comprises workpiece basket location-plate, platen and workpiece basket cover plate, the workpiece basket location-plate is arranged on collar bush, and the bottom surface of workpiece basket location-plate has the locating slot that joins with the workpiece basket Connection Block, the platen that is arranged on main shaft bottom has the deck that joins with the workpiece basket Connection Block, the workpiece basket cover plate hangs tight by cover plate the bottom that part is arranged on the workpiece basket location-plate, and between workpiece basket cover plate and platen, spring is installed.
2. automatic coating machine according to claim 1, it is characterized in that: described oscillating oil cylinder or oscillating cylinder symmetry are hinged in support or swing arm.
3. automatic coating machine according to claim 1 and 2, it is characterized in that: the front portion of described oscillating oil cylinder or oscillating cylinder is equipped with yoke, and the two ends of fork are hinged on respectively in yoke and support or swing arm.
4. automatic coating machine according to claim 1, it is characterized in that: the slip cap positioning seat that covers on follower also is installed on described support, and the slip cap positioning seat is positioned at driving-belt or driving-chain one side has breach, and follower and slip cap positioning seat correspondence are equipped with travel switch.
5. automatic coating machine according to claim 1 is characterized in that: described main shaft bottom has splined shaft, and intermediate sleeve is spline housing and is sleeved on main shaft, and intermediate sleeve is arranged on collar bush by securing member.
6. automatic coating machine according to claim 1, it is characterized in that: the spring base of uniform installation more than three on described platen, it is bolt and uniform being welded on the workpiece basket cover plate that cover plate hangs tight part, and spring housing is contained in cover plate and hangs tight on part and two ends join with spring base and workpiece basket cover plate respectively.
7. automatic coating machine according to claim 1 is characterized in that: strut also is installed on described support, and strut is positioned at the extensible member rear portion, an end of lever is hinged on the sliding bearing lid, and the other end of lever is hinged on strut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910213069 CN101703981B (en) | 2009-11-06 | 2009-11-06 | Automatic coating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910213069 CN101703981B (en) | 2009-11-06 | 2009-11-06 | Automatic coating machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101703981A CN101703981A (en) | 2010-05-12 |
| CN101703981B true CN101703981B (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910213069 Active CN101703981B (en) | 2009-11-06 | 2009-11-06 | Automatic coating machine |
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| CN (1) | CN101703981B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320030B (en) * | 2011-08-24 | 2013-04-17 | 常州君合科技有限公司 | Mobile transfer trolley |
| CN106238279B (en) * | 2016-09-14 | 2018-11-06 | 常州君合科技股份有限公司 | Adjustment structure for the assembly of coating machine workpiece basket |
| CN106391632A (en) * | 2016-12-09 | 2017-02-15 | 无锡银联齿轮传动机械有限公司 | Rotation supporting structure of rotation transmission shaft of small component cleaning machine |
| CN110293026B (en) * | 2019-06-11 | 2024-04-12 | 浙江工业大学 | Novel coating mechanism |
| CN110681529A (en) * | 2019-09-24 | 2020-01-14 | 常州君合科技股份有限公司 | Coating device for workpieces |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5820676A (en) * | 1995-09-11 | 1998-10-13 | Bauerle; Albrecht B. | Apparatus for painting elongated thin shafts |
| DE10309401A1 (en) * | 2003-03-04 | 2004-09-16 | Vacuumschmelze Gmbh & Co. Kg | Coating apparatus for e.g. metallic tube, rod, has carrying disk rotated by motor, causing items to in turn rotate with respect to the threaded rod while being immersed into electrolytes contained in a reservoir |
| CN201154343Y (en) * | 2007-12-21 | 2008-11-26 | 常州君合达克罗涂覆工程技术有限公司 | Charging basket auto pendulous device of coating machine |
| CN201519644U (en) * | 2009-11-06 | 2010-07-07 | 吴伟峰 | Automatic coating machine |
-
2009
- 2009-11-06 CN CN 200910213069 patent/CN101703981B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5820676A (en) * | 1995-09-11 | 1998-10-13 | Bauerle; Albrecht B. | Apparatus for painting elongated thin shafts |
| DE10309401A1 (en) * | 2003-03-04 | 2004-09-16 | Vacuumschmelze Gmbh & Co. Kg | Coating apparatus for e.g. metallic tube, rod, has carrying disk rotated by motor, causing items to in turn rotate with respect to the threaded rod while being immersed into electrolytes contained in a reservoir |
| CN201154343Y (en) * | 2007-12-21 | 2008-11-26 | 常州君合达克罗涂覆工程技术有限公司 | Charging basket auto pendulous device of coating machine |
| CN201519644U (en) * | 2009-11-06 | 2010-07-07 | 吴伟峰 | Automatic coating machine |
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| CN101703981A (en) | 2010-05-12 |
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Owner name: CHANGZHOU JUNHE TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WU WEIFENG Effective date: 20120326 |
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Effective date of registration: 20120326 Address after: Jiangsu city of Changzhou province Tongjiang New District Road No. 396 Building No. 5 times Plaza, a 20 floor building Applicant after: Changzhou JUNHE Dacromet Project Technology Co., Ltd. Address before: 213032 Jiangsu city of Changzhou province Xinbei Mitsui Mitsui village nine Lane Street No. 71-32 Applicant before: Wu Weifeng |
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Address after: 213000 Jiangsu city of Changzhou province Tongjiang New District Road No. 396 Building No. 5 times Plaza, a 20 floor building Patentee after: Changzhou Jun He Science and Technology Co., Ltd. Address before: Jiangsu city of Changzhou province Tongjiang New District Road No. 396 Building No. 5 times Plaza, a 20 floor building Patentee before: Changzhou JUNHE Dacromet Project Technology Co., Ltd. |