CN112275487B - Spraying device capable of automatically loosening and tightening arc-shaped part - Google Patents
Spraying device capable of automatically loosening and tightening arc-shaped part Download PDFInfo
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- CN112275487B CN112275487B CN202011046047.3A CN202011046047A CN112275487B CN 112275487 B CN112275487 B CN 112275487B CN 202011046047 A CN202011046047 A CN 202011046047A CN 112275487 B CN112275487 B CN 112275487B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
Abstract
The invention discloses a spraying device capable of automatically loosening and tightening an arc-shaped part, which comprises a spraying box, wherein a spraying gun is arranged at the top end inside the spraying box, first flat sliding plates are symmetrically arranged at the front side and the rear side of the right end of the spraying box, a second flat sliding plate is arranged at the left end of the spraying box, a stabilizing block is arranged at the right end of the first flat sliding plate at the front side, a stepping motor is arranged in the stabilizing block, an incomplete gear is connected to an output shaft of the stepping motor in a key mode, a first straight gear matched with the incomplete gear is arranged at the rear side of the incomplete gear, a worm wheel is coaxially connected to the left side of the first straight gear, and a worm rotatably arranged on the stabilizing block is meshed at the upper end of the worm wheel. The invention has the advantages that: simple structure is reliable, can realize automatically in batches that the feeding of arc spare and carry away arc spare, the slider that the spraying has been accomplished moves to the right side, presss from both sides tight arc spare, the spraying back at the slider in-process that moves to the right side and presss from both sides tight arc spare and press from both sides tight strip and loosen, push into first conveyer belt with the arc spare that the spraying has been accomplished, labour saving and time saving and degree of automation are high.
Description
Technical Field
The invention relates to spraying equipment, in particular to a spraying device capable of automatically loosening and tightening an arc-shaped piece.
Background
The irregular arc-shaped part is difficult to fix in the spraying process, so that a worker can take the arc-shaped part with a hand and take the spray gun to spray, the arc-shaped part is required to be taken up and put down, the arc-shaped part is required to be held for a long time, and the worker can be injured by the spraying when time and labor are wasted.
Disclosure of Invention
The invention mainly aims to provide a spraying device capable of automatically loosening and tightening arc-shaped pieces, which is simple and reliable in structure, can automatically realize feeding, clamping and loosening of the arc-shaped pieces after spraying in batches and convey the sprayed arc-shaped pieces, and is time-saving, labor-saving and high in automation degree.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a spraying device capable of automatically loosening and tightening arc-shaped parts comprises a spraying box, wherein a spraying gun is arranged at the top end inside the spraying box, first flat sliding plates are symmetrically arranged on the front side and the rear side of the right end of the spraying box, a second flat sliding plate is arranged at the left end of the spraying box, a stabilizing block is arranged at the right end of the first flat sliding plate on the front side, a stepping motor is arranged in the stabilizing block, an incomplete gear is connected to an output shaft of the stepping motor in a key mode, a first straight gear matched with the incomplete gear is arranged on the rear side of the incomplete gear, a worm wheel is coaxially connected to the left side of the first straight gear, a worm rotatably arranged on the stabilizing block is meshed at the upper end of the worm wheel, a pulling gear is connected to the rear end of the worm in a key mode, a first rack is meshed at the lower end of the pulling gear, a sliding block is horizontally arranged in the spraying box, and a first spring is connected between the sliding block and the second flat sliding plate, the first rack is connected to the right end of the sliding block, a tightening component which is matched with the spraying box and used for tightening the arc-shaped part is arranged on the sliding block, a conveying mechanism which is used for conveying the arc-shaped part to the sliding block and conveying the sprayed arc-shaped part away is arranged on the spraying box, and the conveying mechanism is matched with the incomplete gear.
Furthermore, the elastic assembly comprises a plurality of clamping strips, an annular groove is formed in the middle of the sliding block, clamping grooves are evenly distributed in the circumferential direction of the upper end of the annular groove, the clamping strips are hinged in the clamping grooves, a ring assembly is arranged in the annular groove, and V-shaped inclined blocks matched with the spraying box are symmetrically arranged on the front side and the rear side of the lower end of the ring assembly.
The up end that begins to press from both sides tight strip flushes with the up end of slider, the arc piece can be carried on the slider by conveying mechanism, it can not block to press from both sides tight strip, the slider moves to the right side after that, the in-process that moves to the right side at the slider, V type sloping block contact spraying case, make V type sloping block rise, V type sloping block area ring subassembly rises, the ring subassembly makes to press from both sides tight strip and props simultaneously, press from both sides tight strip and just pressed from both sides the arc piece on the slider, after the arc piece spraying, V type sloping block breaks away from the spraying case, V type sloping block, the ring subassembly descends under the action of gravity and resets, it restores to pack to press from both sides tight strip and restore to the throne, make things convenient for subsequent conveying mechanism to transport the arc piece that has sprayed to go away.
Furthermore, the ring component comprises an upper ring and a lower ring which are sequentially arranged from top to bottom, a second spring is connected between the upper ring and the lower ring, and the V-shaped inclined blocks are symmetrically arranged at the lower end of the lower ring from front to back.
Set up the second spring and can form the buffering between last ring, lower ring, avoid pressing from both sides the tight in-process damage arc.
Further, conveying mechanism include three first transfer roller, three second transfer roller, with incomplete gear matched with second straight-teeth gear, be connected with first conveyer belt between the first transfer roller, one of them first connecting axle is connected respectively at both ends about the first transfer roller the second straight-teeth gear, be connected with the second conveyer belt between the second transfer roller, one of them the right-hand member of second transfer roller is connected with the second connecting axle, the left end key joint of first connecting axle has first transmission gear, the right-hand member key joint of second connecting axle have with the second transmission gear of first transmission gear meshing.
Above-mentioned setting can be through the second conveyer belt carry the arc to the slider on, the arc that will spray simultaneously through first conveyer belt is carried away.
Further, still include ejecting mechanism, ejecting mechanism is including establishing the rear side the second rack of first smooth board right-hand member, the slider internal rotation be equipped with second rack matched with pinion, the rear side coaxial coupling of pinion has the gear wheel, the upper end meshing of gear wheel has the screw rod gear, the central key of screw rod gear has connect the screw rod, the spiro union has the spiral shell piece on the screw rod, the right-hand member of slider is provided with perpendicularly and holds the spout of spiral shell piece sliding fit, the right-hand member of spiral shell piece is connected with the push pedal.
Above-mentioned setting can be at the slider fast right side when moving to the end, the tight strip of clamp is kept flat this moment, second rack and pinion engagement, the pinion takes the gear wheel to rotate, the gear wheel takes screw gear to rotate, the screw rod takes the screw rod to rotate, the screw rod takes the spiral shell piece antedisplacement, the spiral shell piece takes the push pedal antedisplacement, the arc piece that the push pedal will be sprayed pushes away on first conveyer belt, at the slider in-process that moves left and resets, the second rack makes the pinion reversal, the spiral shell piece takes the push pedal to move back and resets.
Further, the number of the clamping strips is more than or equal to three. Three are basic triangular positioning clamping, but the complex arc-shaped piece needs more clamping strips to clamp and position.
Furthermore, the upper surface of the clamping strip is provided with a rubber sheet. The rubber sheet can avoid damaging the arc-shaped part and can also effectively clamp the arc-shaped part.
The invention has the advantages that: simple structure is reliable, can realize automatically in batches that the feeding of arc spare and carry away arc spare, the slider that the spraying has been accomplished moves to the right side, presss from both sides tight arc spare, the spraying back at the slider in-process that moves to the right side and presss from both sides tight arc spare and press from both sides tight strip and loosen, push into first conveyer belt with the arc spare that the spraying has been accomplished, labour saving and time saving and degree of automation are high.
Drawings
FIG. 1 is a schematic structural view according to the present invention;
FIG. 2 is a perspective view according to the present invention;
FIG. 3 is a front view according to the present invention;
FIG. 4 is a right side view in accordance with the present invention;
FIG. 5 is a top view according to the present invention;
FIG. 6 is a cross-sectional view A-A of FIG. 5;
FIG. 7 is a right side view of the arcuate member being fed onto the slide according to the present invention;
FIG. 8 is a cross-sectional view of the slider moved to the right and the arcuate member clamped by the clamping bar in accordance with the present invention;
FIG. 9 is a cross-sectional view of the arcuate member being painted and the clamping bar being released in accordance with the present invention;
FIG. 10 is a top view of the slide moved to the bottom right and the painted arcuate member pushed by the pusher plate against the first conveyor belt in accordance with the present invention;
FIG. 11 is a cross-sectional view of the slide moved to the bottom right and the painted arcuate member pushed by the pusher plate against the first conveyor belt in accordance with the present invention;
FIG. 12 is an enlarged view of portion B of FIG. 4;
fig. 13 is an enlarged view of a portion C of fig. 6.
Reference numerals: 1. the spraying device comprises a spraying box, 2, a first flat sliding plate, 3, a second flat sliding plate, 4, a stabilizing block, 5, a stepping motor, 6, an incomplete gear, 7, a first straight gear, 8, a worm wheel, 9, a worm, 10, a pulling gear, 11, a first rack, 12, a sliding block, 13, a tightening assembly, 131, a clamping bar, 132, an upper ring, 133, a lower ring, 134, a V-shaped inclined block, 14, a conveying mechanism, 141, a second straight gear, 142, a first conveying roller, 143, a first conveying belt, 144, a first connecting shaft, 145, a first conveying gear, 146, a second conveying gear, 147, a second connecting shaft, 148, a second conveying roller, 149, a second conveying belt, 15, a pushing mechanism, 151, a pinion, 152, a large gear, 153, a screw gear, 154, a screw, 155, a screw block, 156, a push plate, 157, a second rack, 16 and a spraying gun.
Detailed Description
As shown in fig. 1 to 13, a spraying device capable of automatically loosening and tightening an arc-shaped member comprises a spraying box 1, a spraying gun 16 is arranged at the top end inside the spraying box 1, first flat sliding plates 2 are symmetrically arranged on the front side and the rear side of the right end of the spraying box 1, a second flat sliding plate 3 is arranged at the left end of the spraying box 1, a stabilizing block 4 is arranged at the right end of the first flat sliding plate 2 at the front side, a stepping motor 5 is arranged in the stabilizing block 4, an incomplete gear 6 is connected to an output shaft of the stepping motor 5 in a key mode, a first straight gear 7 matched with the incomplete gear 6 is arranged on the rear side of the incomplete gear 6, a worm wheel 8 is coaxially connected to the left side of the first straight gear 7, a worm 9 rotatably arranged on the stabilizing block 4 is meshed at the upper end of the worm wheel 8, a pulling gear 10 is connected to the rear end of the worm 9 in a key mode, a first rack 11 is meshed at the lower end of the pulling gear 10, a sliding block 12 which is horizontally and smoothly arranged in the spraying box 1, a first spring is connected between the sliding block 12 and the second flat sliding plate 3, the first rack 11 is connected at the right end of the sliding block 12, a tightening component 13 which is matched with the spraying box 1 and used for tightening and loosening the arc-shaped piece is arranged on the sliding block 12, a conveying mechanism 14 which is used for conveying the arc-shaped piece to the sliding block 12 and conveying the sprayed arc-shaped piece is arranged on the spraying box 1, and the conveying mechanism 14 is matched with the incomplete gear 6.
The elastic component 13 comprises a plurality of clamping strips 131, an annular groove is formed in the middle of the sliding block 12, clamping grooves are evenly distributed in the circumferential direction of the upper end of the annular groove, the clamping strips 131 are hinged in the clamping grooves, a ring component is arranged in the annular groove, and V-shaped inclined blocks 134 matched with the spraying box 1 are symmetrically arranged on the front side and the rear side of the lower end of the ring component. The up end that begins to press from both sides tight strip flushes with the up end of slider, the arc piece can be carried on the slider by conveying mechanism, it can not block to press from both sides tight strip, the slider moves to the right side after that, the in-process that moves to the right side at the slider, V type sloping block contact spraying case, make V type sloping block rise, V type sloping block area ring subassembly rises, the ring subassembly makes to press from both sides tight strip and props simultaneously, press from both sides tight strip and just pressed from both sides the arc piece on the slider, after the arc piece spraying, V type sloping block breaks away from the spraying case, V type sloping block, the ring subassembly descends under the action of gravity and resets, it restores to pack to press from both sides tight strip and restore to the throne, make things convenient for subsequent conveying mechanism to transport the arc piece that has sprayed to go away.
The ring assembly comprises an upper ring 132 and a lower ring 133 which are sequentially arranged from top to bottom, a second spring is connected between the upper ring 132 and the lower ring 133, and V-shaped inclined blocks 134 are symmetrically arranged at the lower end of the lower ring 133 in a front-back manner. Set up the second spring and can form the buffering between last ring, lower ring, avoid pressing from both sides the tight in-process damage arc.
The conveying mechanism 14 comprises three first conveying rollers 142, three second conveying rollers 148 and a second spur gear 141 matched with the incomplete gear 6, a first conveying belt 143 is connected between the first conveying rollers 142, the left end and the right end of one first conveying roller 142 are respectively connected with a first connecting shaft 144 and the second spur gear 141, a second conveying belt 149 is connected between the second conveying rollers 148, the right end of one second conveying roller 148 is connected with a second connecting shaft 147, the left end of the first connecting shaft 144 is in keyed joint with a first transmission gear 145, and the right end of the second connecting shaft 147 is in keyed joint with a second transmission gear 146 meshed with the first transmission gear 145. Above-mentioned setting can be through the second conveyer belt carry the arc to the slider on, the arc that will spray simultaneously through first conveyer belt is carried away.
The pushing mechanism 15 is further included, the pushing mechanism 15 includes a second rack 157 arranged at the right end of the first flat sliding plate 2 at the rear side, a small gear 151 matched with the second rack 157 is rotatably arranged in the sliding block 12, the rear side of the small gear 151 is coaxially connected with a large gear 152, the upper end of the large gear 152 is meshed with a screw gear 153, a screw 154 is keyed at the center of the screw gear 153, a screw block 155 is screwed on the screw 154, a sliding groove for slidably matching the screw block 155 is vertically arranged at the right end of the sliding block 12, and a pushing plate 156 is connected at the right end of the screw block 155. Above-mentioned setting can be at the slider fast right side when moving to the end, the tight strip of clamp is kept flat this moment, second rack and pinion engagement, the pinion takes the gear wheel to rotate, the gear wheel takes screw gear to rotate, the screw rod takes the screw rod to rotate, the screw rod takes the spiral shell piece antedisplacement, the spiral shell piece takes the push pedal antedisplacement, the arc piece that the push pedal will be sprayed pushes away on first conveyer belt, at the slider in-process that moves left and resets, the second rack makes the pinion reversal, the spiral shell piece takes the push pedal to move back and resets.
The number of the clamping bars 131 is three or more. Three are basic triangular positioning clamping, but the complex arc-shaped piece needs more clamping strips to clamp and position.
The upper surface of the clamping strip 131 is provided with a rubber sheet. The rubber sheet can avoid damaging the arc-shaped part and can also effectively clamp the arc-shaped part.
The working principle is as follows: when spraying is needed, a stepping motor is started, the stepping motor drives an incomplete gear to rotate, the incomplete gear is meshed with a second straight gear, the second straight gear drives a first transmission roller to rotate, the first transmission roller drives a first transmission belt to rotate, the first transmission roller drives a first connecting shaft to rotate, a first connecting shaft drives a first transmission gear to rotate, the first transmission gear drives a second transmission gear to rotate, the second transmission gear drives a second connecting shaft to rotate, the second connecting shaft drives a second transmission roller to rotate, the second transmission roller drives a second transmission belt to rotate, the second transmission belt conveys an arc-shaped piece to a sliding block, as shown in figure 7, the incomplete gear is meshed with the first straight gear, the first straight gear drives a worm wheel to rotate, the worm drives a pulling gear to rotate, the pulling rack drives the first rack to move to the right, the first rack pulls the sliding block to move to the right, in the process of moving the slide block to the right, the V-shaped inclined block is contacted with the spraying box, the V-shaped inclined block rises, the V-shaped inclined block drives the ring component to rise, the ring component enables the clamping strip to be simultaneously supported, the clamping strip clamps the arc-shaped piece on the slide block, as shown in figure 8, the slide block moves to the right, the spraying gun sprays the arc-shaped piece, after the arc-shaped piece is sprayed, the V-shaped inclined block is separated from the spraying box, the V-shaped inclined block and the ring component drop and reset under the action of gravity, the clamping strip is folded and reset, as shown in figure 9, in the process of moving the slide block to the bottom right, the clamping strip is flatly placed, the second rack is meshed with the pinion, the pinion drives the large gear to rotate, the large gear drives the screw gear to rotate, the screw drives the screw block to move forwards, the screw block drives the push plate to move forwards, the push plate pushes the sprayed arc-shaped piece onto the first conveying belt, as shown in figures 10 and 11, and then the incomplete gear is separated from the first straight gear, the slider moves left under the effect of first spring and resets, and the second rack makes the pinion reversal, and the spiral shell piece takes the push pedal to move backward and resets, and incomplete gear and second spur gear meshing after that orders about first conveyer belt and carry away the arc spare that the spraying was accomplished, orders about the second conveyer belt simultaneously and continues to carry the arc spare on the slider, so just can spray the arc spare automatically in batches.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a spraying device of automatic elasticity arc spare which characterized in that: comprises a spraying box (1), a spraying gun (16) is arranged at the top end inside the spraying box (1), first smooth plates (2) are symmetrically arranged at the front side and the rear side of the right end of the spraying box (1), a second smooth plate (3) is arranged at the left end of the spraying box (1), a stabilizing block (4) is arranged at the right end of the first smooth plate (2) at the front side, a stepping motor (5) is arranged in the stabilizing block (4), an incomplete gear (6) is connected to an output shaft of the stepping motor (5) in a key mode, a first straight gear (7) matched with the incomplete gear (6) is arranged at the rear side of the incomplete gear (6), a worm wheel (8) is coaxially connected to the left side of the first straight gear (7), a worm (9) rotatably arranged on the stabilizing block (4) is meshed at the upper end of the worm wheel (8), a pulling gear (10) is connected to the rear end of the worm (9) in a key mode, the lower end of the pulling gear (10) is engaged with a first rack (11), a sliding block (12) is horizontally and slidably arranged in the spraying box (1), a first spring is connected between the sliding block (12) and the second flat sliding plate (3), the first rack (11) is connected to the right end of the sliding block (12), a tightening component (13) which is matched with the spraying box (1) and used for tightening an arc-shaped part is arranged on the sliding block (12), a conveying mechanism (14) which is used for conveying the arc-shaped part to the sliding block (12) and conveying the sprayed arc-shaped part is arranged on the spraying box (1), the conveying mechanism (14) is matched with the incomplete gear (6), the tightening component (13) comprises a plurality of clamping strips (131), an annular groove is arranged in the middle of the sliding block (12), and clamping grooves are uniformly distributed in the circumferential direction at the upper end of the annular groove, the clamping strip (131) is hinged in the clamping groove, a ring assembly is arranged in the annular groove, and V-shaped inclined blocks (134) matched with the spraying box (1) are symmetrically arranged on the front side and the rear side of the lower end of the ring assembly.
2. The spray coating device of claim 1 capable of automatically tensioning an arcuate member, wherein: the ring assembly comprises an upper ring (132) and a lower ring (133) which are sequentially arranged from top to bottom, a second spring is connected between the upper ring (132) and the lower ring (133), and the V-shaped inclined blocks (134) are symmetrically arranged at the lower end of the lower ring (133) from front to back.
3. The spray coating device of claim 1 capable of automatically tensioning an arcuate member, wherein: conveying mechanism (14) include three first transfer roller (142), three second transfer roller (148), with incomplete gear (6) matched with second spur gear (141), be connected with first conveyer belt (143) between first transfer roller (142), one of them first connecting axle (144) is connected respectively at both ends about first transfer roller (142), second spur gear (141), be connected with second conveyer belt (149) between second transfer roller (148), one of them the right-hand member of second transfer roller (148) is connected with second connecting axle (147), the left end key-joint of first connecting axle (144) has first transmission gear (145), the right-hand member key-joint of second connecting axle (147) have with second transmission gear (146) of first transmission gear (145) meshing.
4. The spray coating device of claim 1 capable of automatically tensioning an arcuate member, wherein: still include ejecting mechanism (15), ejecting mechanism (15) are including establishing the rear side second rack (157) of first smooth board (2) right-hand member, slider (12) internal rotation be equipped with second rack (157) matched with pinion (151), the rear side coaxial coupling of pinion (151) has gear wheel (152), the upper end meshing of gear wheel (152) has screw gear (153), the central key of screw gear (153) has screw rod (154), spiro union has spiral shell piece (155) on screw rod (154), the right-hand member of slider (12) is provided with perpendicularly and holds the spout of spiral shell piece (155) sliding fit, the right-hand member of spiral shell piece (155) is connected with push pedal (156).
5. The spray coating device of claim 1 capable of automatically tensioning an arcuate member, wherein: the number of the clamping strips (131) is more than or equal to three.
6. The spray coating device of claim 1 capable of automatically tensioning an arcuate member, wherein: the upper surface of the clamping strip (131) is provided with a rubber sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011046047.3A CN112275487B (en) | 2020-09-29 | 2020-09-29 | Spraying device capable of automatically loosening and tightening arc-shaped part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011046047.3A CN112275487B (en) | 2020-09-29 | 2020-09-29 | Spraying device capable of automatically loosening and tightening arc-shaped part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112275487A CN112275487A (en) | 2021-01-29 |
| CN112275487B true CN112275487B (en) | 2021-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011046047.3A Active CN112275487B (en) | 2020-09-29 | 2020-09-29 | Spraying device capable of automatically loosening and tightening arc-shaped part |
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| CN (1) | CN112275487B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL159104A (en) * | 2003-11-27 | 2010-11-30 | Shlomo Kline | Apparatus and method for spraying maintenance enhancing material onto the periphery of a tubular member |
| CN203556491U (en) * | 2013-10-30 | 2014-04-23 | 浙江柯菲过滤器有限公司 | Automatic spraying and conveying mechanism of filter housing |
| CN106166528B (en) * | 2016-09-14 | 2018-08-21 | 天津大学 | Environmentally protective powder spray coating device |
| CN108554682B (en) * | 2018-06-12 | 2020-10-27 | 安徽海福新材料科技有限公司 | Working method of aluminum alloy profile uniform spraying device |
| CN108722728A (en) * | 2018-06-27 | 2018-11-02 | 霍山县忠福机电科技有限公司 | Low temperature wax mo(u)lding fireproof coating spray equipment |
| CN108607734B (en) * | 2018-06-29 | 2019-12-03 | 重庆友擘机械制造有限公司 | A kind of device for painting of interlock board |
| CN111451041B (en) * | 2020-04-11 | 2021-07-30 | 宁波润爵科技有限公司 | Curved lamp pole painting device pulled by steel wire rope |
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2020
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| CN112275487A (en) | 2021-01-29 |
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Effective date of registration: 20230719 Address after: Room 301, 257 Shipai Industrial Avenue, Shipai Town, Dongguan City, Guangdong Province, 523000 Patentee after: Dongguan future cultural creation Co.,Ltd. Address before: 315000 Sha Cun, Tangxi Town, Yinzhou District, Ningbo City, Zhejiang Province Patentee before: Ningbo Yinzhou Chengrun Technology Co.,Ltd. |