CN101279651B - Horizontal-seal cutting method for soft bag type package and horizontal-seal cutting device - Google Patents
Horizontal-seal cutting method for soft bag type package and horizontal-seal cutting device Download PDFInfo
- Publication number
- CN101279651B CN101279651B CN 200810061574 CN200810061574A CN101279651B CN 101279651 B CN101279651 B CN 101279651B CN 200810061574 CN200810061574 CN 200810061574 CN 200810061574 A CN200810061574 A CN 200810061574A CN 101279651 B CN101279651 B CN 101279651B
- Authority
- CN
- China
- Prior art keywords
- film
- horizontal sealing
- cutting
- soft bag
- packaging film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The invention provides a traverse sealing cutting method of soft-bag packaging, comprising a plurality of steps such as membrane applying, hot sealing, cutting and cold wind blowing, etc. The invention also provides a soft-bag packaging traverse sealing cutting device, comprising a membrane device, a traverse sealing hot pressing device and a cutter; the membrane device comprises a pair of upper membrane pieces and a pair of lower membrane pieces; between the upper membrane pieces and the lower membrane pieces, a pair of work heads of the traverse sealing hot pressing device can move relatively along the front and back directions in a matching way; the cutter can rotate; one of the upper membrane pieces or the lower membrane pieces is provided with a through hole; the rotating path of the cutter is the traverse sealing station cutting packaging membrane that comes through the through hole and rotates to the packaging membrane. The hot pressing and cutting of the invention are positioned at the same station, which can solve the troublesome of debugging and regulating caused by different stations of hot pressing and cutting; besides, the cutter rotates into the cutting packaging membrane from the outside, so as to be good in cutting effect and have no relation to the structure of the hot pressing work head, thus ensuring the cleanliness of seal and cutting off position of the soft-bag.
Description
Technical field
The present invention relates to the horizontal sealing cutting-off method of soft bag type package and the horizontal sealing shutoff device of packed in flexible pouchy machine.
Background technology
Across seal shutoff device in the past generally adopts at packing the time: direct heating Fuse Type, heat-sealing compress cutting type or the like, and the former application sees hundred Li Bao
And the cut-out of the across seal of approaching MULTILAYER COMPOSITE flexible film, the latter's application sees the hard multi-layer laminated film.Involution that direct heating Fuse Type sealing mode is produced zone is narrow approaches a line, and stays the plastic residues that has melted on the heating arrangement easily, is unfavorable for keeping the cleaning of sealing part, and the time grown and can produce bonding and fold.And with regard to heat-sealing compresses cutting type, if adopt heat-sealing to compress and cut off the mode of employing with station, its cutting knife is in the centre of hot press working head, make sealing part can occur one because of can't hot pressing form narrow but the non-Sealing strap that can't eliminate fully, herein can residual fraction can material, because part can thing is putrid and deteriorated easily (as fresh milk, sour milk etc.) in air, be unfavorable for the cleaning of packaging bag and deposit.If adopt the mode of double, promptly after horizontal sealing station hot-press sealed, make the soft bag of stroke that moves again cut into bag to cutting off station, although can eliminate above-mentioned defective, but when soft bag size changes, must change the position distance of across seal and shutoff device, debugging and adjustment are also pretty troublesome, and need carry on the back the cutter groove when cutting knife is cut film and cooperate, and the cutter groove is easy to be stopped up by plastic residues and influence the cut-out effect.
Summary of the invention
The present invention's technical matters at first to be solved provide a kind of seal clean and tidy and overcome the horizontal sealing cutting-off method of the soft bag type package of above-mentioned adjustment troublesome problem with cut-off part.For this reason, the present invention by the following technical solutions: it comprises the steps:
A1, clamp packaging film at the upper and lower sides of horizontal sealing station,
A2, autoclave package film seal its bonding,
After a3, hot pressing are finished, the hot-press sealed part that acts on sealing part is retreated, and removes pressing sealing part,
A4, the upper and lower sides that remains on the horizontal sealing station are clamped packaging film, cutting knife rotated enter because of the hot-press sealed part retreats the space reserved and cuts off the sealing part packaging film at the horizontal sealing station,
A5, rotation withdrawing and releasing are to the clamping of packaging film;
Further comprising the steps of whole of described horizontal sealing cutting-off method or any one:
B1, in the upper cross of horizontal sealing station to making packaging film in order,
B2, after the autoclave package film seals its bonding, blow a cold wind over to the sealing part packaging film;
The order of above step is: b1-a1-a2-a3-b2-a4-a5; Or, b1-a1-a2-a3-a4-a5; Or, a1-a2-a3-b2-a4-a5.
Another technical matters to be solved of the present invention provide a kind of seal clean and tidy and overcome the soft bag type package horizontal sealing shutoff device of above-mentioned adjustment troublesome problem with cut-off part.For this reason, the present invention is by the following technical solutions: it comprises sandwiched film mechanism, horizontal sealing hot pressing mechanism, cutting knife, described sandwiched film mechanism has a pair of folder film spare and a pair of folder film spare down gone up, and between last folder film spare and following folder film spare, a pair of working head of horizontal sealing hot pressing mechanism can relatively move on fore-and-aft direction with cooperatively interacting; Described cutting knife is rotating cutting knife, on press from both sides film spare or down one of them in the folder film spare have through hole, the rotation path of described cutting knife cuts off packaging film for the horizontal sealing station that turns to packaging film through described through hole.
Owing to adopt technical scheme of the present invention, hot pressing of the present invention and cut-out are in same station, can solve hot pressing and cut off debugging and the adjustment troublesome problem that is in different station and brings, and, cutting knife changes the cut-out packaging film over to from the outside, cut off effective, and with the structure-irrelevant of hot press working head, thereby can make sealing part non-Sealing strap not occur, guarantee that soft bag seals clean and tidy with cut-off part.Further, the present invention can also improve horizontal sealing and cuts off the quality of quality and soft bag, effectively stoped the generation of sealing distortion and irrecoverable property fold.
Description of drawings
Fig. 1 is the scheme drawing under the embodiment initial condition provided by the present invention.
Fig. 2 makes the scheme drawing of packaging film in order for embodiment provided by the present invention.
Fig. 3 is when making packaging film in order among Fig. 2, the initial condition scheme drawing of reason film bar.
Fig. 4 is when making packaging film in order among Fig. 2, the done state scheme drawing of reason film bar.
Fig. 5 is the view of embodiment provided by the present invention when heat-sealing folder film.
Fig. 6 for embodiment provided by the present invention after the working head of horizontal sealing hot pressing mechanism retreats, the view of blowing a cold wind over to the horizontal sealing station.
View when Fig. 7 will carry out crosscut for embodiment provided by the present invention.
Fig. 8 is the view of embodiment that the utility model provides behind the cutting knife withdrawing.
Fig. 9 is the enlarged drawing at A place among Fig. 6.
The specific embodiment
With reference to accompanying drawing, at first introduce soft bag type package horizontal sealing shutoff device provided by the present invention.It comprises sandwiched film mechanism, horizontal sealing hot pressing mechanism, cutting knife 1, described sandwiched film mechanism has a pair of folder film spare 21,22 and a pair of folder film spare 31,32 down gone up, and drive it by drive elements such as cam, cylinders and move forward and backward, after putting in place when travelling forward, last folder film spare 21,22 is clamped the packaging film that is in horizontal sealing station top, press from both sides film spare 31,32 down and clamp the packaging film that is in horizontal sealing station below, described fore-and-aft direction is for before with the sense of motion that presss from both sides film being, otherwise after being, reaction is the motion of left and right directions in the accompanying drawings.
At last folder film spare with down between the folder film spare, the a pair of working head 41,42 of horizontal sealing hot pressing mechanism can relatively move on fore-and-aft direction under cylinder or cam drive with cooperatively interacting, have at least one to have electric heating element in the working head 41,42, after putting in place when travelling forward, working head 41,42 cooperates the autoclave package film to make it bonding because of hot pressing, described fore-and-aft direction is for before with the sense of motion that presss from both sides film being, otherwise after being, reaction is the motion of left and right directions in the accompanying drawings.
Described cutting knife 1 is rotating cutting knife, on press from both sides film spare or down one of them in the folder film spare have through hole 5, shown in Fig. 3 and 4, the rotation path of described cutting knife cuts off packaging film 100 for the horizontal sealing station that turns to packaging film through described through hole.
In the present embodiment, the turning cylinder 12 of described cutting knife is in the below of horizontal sealing hot pressing mechanism, under press from both sides film spare 41 and be provided with described through hole 5, cutting knife is from the below of horizontal sealing hot pressing mechanism, cw, also promptly in the packed in flexible pouchy machine, rotate to enter the horizontal sealing station above laterally below the inboard, like this, can more convenient device interior step and Unit Installation.In addition, through hole 5 also can be arranged on down on the folder film spare 42; Perhaps through hole 5 also can be arranged on folder film spare 21 or go up folder film spare 22, and with regard to both, the turning cylinder of cutting knife is installed in the top of horizontal sealing hot pressing mechanism with regard to the back.
Described through hole is for connecting through hole or the through slot of going up folder film spare or following folder film spare upper and lower surface.
Described cutting knife is connected with knife rest 10, and the both sides of described knife rest are connected with swing arm 11, forms by the bit space that allows of the soft bag 101 after sealing between knife rest and two swing arms.
In force, the air by-pass passage before described blowing mouth and the blowing mouth like this, had both guaranteed wind speed and blowing face for flat finedraw or one group of Small Holes on the folder film frame, improved cooling performance, and was more convenient again during fabrication.
The present invention also can be provided with packaging film and make mechanism in order, it comprises a pair of reason film bar 71,72, described reason film bar is contained in respectively on the folder film spare 21,22 movably, on the direction that seesaws of last folder film spare 21,22, the reason film bar of initial condition, one end 81 is more forward than the other end 82, and can turn to the back to rotate gradually from forward end 81, and described packaging film is made the retracing spring that mechanism also is provided with described reason film bar in order.Described fore-and-aft direction is before being with the sense of motion that presss from both sides film, otherwise after being.
Described reason film bar is rotationally connected with the described folder film spare 21,22 of going up by rear end 82.Drawing reference numeral 83 is its turning cylinder.Described retracing spring is the torsion spring that acts on by rear end 82, and this torsion spring set is on axle 83.The antagonistic force of spring can provide makes the required external force of packaging film in order, is making in order after hours, and reason film bar is in time resetted.
Described spring also can be forward end 81 stage clips that act on reason film bar, and also can the moving backward by back segment of reason film bar can retreat and rotate while also promptly manage the film bar.But with regard to structure, the described structure of last paragraph is more simple.
The described folder film spare 21,22 of going up is provided with the locations 84 that cooperates with the forward end of managing the film bar, and the forward end of described reason film bar is provided with guiding slotware 85 and/or the guiding rod member 86 that cooperates with locations.
When implementing, can only in last folder film spare 21 and 22 described reason film bar be set, and a conflict piece that cooperates with reason film bar is set on the folder film spare on another.
Adopt the packed in flexible pouchy machine to pack production, some packaging bag is that packaging film elder generation's doubling in the vertical envelope of a side, is formed the bag tube, and then horizontal sealing is cut off one by one, thereby is packaged into soft bag.Plant soft bag, the described forward end of described reason film bar is in a side of the vertical envelope of the corresponding soft bag of horizontal sealing shutoff device position, like this, makes the better effects if of packaging film in order at this point.
Below in conjunction with said structure, further describe the horizontal sealing cutting-off method of soft bag type package provided by the present invention.It comprises the steps:
A1, clamp packaging film at the upper and lower sides of horizontal sealing station.Be the state shown in Fig. 5, on press from both sides film spare 21,22 and down folder film spare 31,32 clamp packaging film respectively.
A2, autoclave package film seal its bonding, i.e. packaging film is pressed in the move ahead after heat that puts in place of state shown in Fig. 5, a pair of working head 41,42 of horizontal sealing hot pressing mechanism.
After a3, hot pressing are finished, the hot pressing part that acts on sealing part is retreated, and remove the compressing to sealing part, i.e. state shown in Fig. 6, working head 41,42 retreat and leave packaging film.
A4, the upper and lower sides that remains on the horizontal sealing station are clamped packaging film, cutting knife is rotated enter because of the hot pressing part and retreat the space reserved and cut off the sealing part packaging film at the horizontal sealing station, be shown in Fig. 7, cutting knife will be through described through hole, enter that working head 41 retreats and the space reserved, and the horizontal sealing station that turns to packaging film cuts off packaging film.
A5, rotation withdrawing and releasing are to the clamping of packaging film.Be the state shown in Fig. 8, cutting knife produces above-mentioned space and through hole, on press from both sides film spare 21,22 and down folder film spare 31,32 retreat the clamping of releasing to packaging film, is shaped soft bag and drops.
According to the difference of the device that is provided with, further comprising the steps of whole of described horizontal sealing cutting-off method or any one:
B1, in the upper cross of horizontal sealing station to making packaging film in order, it is the state shown in Fig. 2,3,4, along with moving ahead of last folder film spare 21,22, the forward end of described reason film bar 71,72 at first against and rotate backward gradually make reason film bar 71,72 by rear end part gradually mutually against, thereby laterally make the packaging film that is clipped between the reason film bar 71,72 in order.
B2, after the autoclave package film seals its bonding, blow a cold wind over to the sealing part packaging film; Be the state shown in Fig. 6,9, pressurized air plays cooling effect to the sealing part packaging film from induction opening 61, compressed air channel 63, blowing mouth 62 and blow to the sealing part packaging film.
The order of above step is: b1-a1-a2-a3-b2-a4-a5; Or, b1-a1-a2-a3-a4-a5; Or, a1-a2-a3-b2-a4-a5.
Aborning, by above order go round and begin again the circulation carry out.
Described step b1 can be: the vertical envelope place that is in bag tube one side certainly begins laterally to make packaging film in order to opposite side.
Claims (12)
1. the horizontal sealing cutting-off method of a soft bag type package is characterized in that it comprises the steps:
A1, clamp packaging film at the upper and lower sides of horizontal sealing station,
A2, autoclave package film seal its bonding,
After a3, hot pressing are finished, the hot-press sealed part that acts on sealing part is retreated, and removes compressing sealing part,
A4, the upper and lower sides that remains on the horizontal sealing station are clamped packaging film, cutting knife rotated enter because of the hot-press sealed part retreats the space reserved and cuts off the sealing part packaging film at the horizontal sealing station,
A5, rotation withdrawing and releasing are to the clamping of packaging film;
Described horizontal sealing cutting-off method is further comprising the steps of:
B1, in the upper cross of horizontal sealing station to making packaging film in order,
The order of above step is: b1-a1-a2-a3-a4-a5.
2. the horizontal sealing cutting-off method of a kind of soft bag type package as claimed in claim 1, it is characterized in that described horizontal sealing cutting-off method is further comprising the steps of: b2, after the autoclave package film seals its bonding, blow a cold wind over to the sealing part packaging film, the order of described each step is: b1-a1-a2-a3-b2-a4-a5.
3. the horizontal sealing cutting-off method of a kind of soft bag type package as claimed in claim 1 or 2 is characterized in that described step b1 is for beginning laterally to make packaging film in order to opposite side from the vertical envelope place that is in bag tube one side.
4. the horizontal sealing cutting-off method of a soft bag type package is characterized in that it comprises the steps:
A1, clamp packaging film at the upper and lower sides of horizontal sealing station,
A2, autoclave package film seal its bonding,
After a3, hot pressing are finished, the hot-press sealed part that acts on sealing part is retreated, and removes pressing sealing part,
A4, the upper and lower sides that remains on the horizontal sealing station are clamped packaging film, cutting knife rotated enter because of the hot-press sealed part retreats the space reserved and cuts off the sealing part packaging film at the horizontal sealing station,
A5, rotation withdrawing and releasing are to the clamping of packaging film;
Described horizontal sealing cutting-off method is further comprising the steps of: b2, after the autoclave package film seals its bonding, blow a cold wind over to the sealing part packaging film,
The order of above step is: a1-a2-a3-b2-a4-a5.
5. soft bag type package horizontal sealing shutoff device, comprise sandwiched film mechanism, horizontal sealing hot pressing mechanism, cutting knife, it is characterized in that described sandwiched film mechanism has a pair of folder film spare and a pair of folder film spare down gone up, and between last folder film spare and following folder film spare, a pair of working head of horizontal sealing hot pressing mechanism can relatively move on fore-and-aft direction with cooperatively interacting; Described cutting knife is rotating cutting knife, on press from both sides film spare or down one of them in the folder film spare have through hole or through slot, the rotation path of described cutting knife cuts off packaging film for the horizontal sealing station that turns to packaging film through described through hole or through slot.
6. soft bag type package horizontal sealing shutoff device as claimed in claim 5 is characterized in that described cutting knife is connected with knife rest, and the both sides of described knife rest are connected with the swing arm of cutting knife, forms the bit space that allows of soft bag between knife rest, swing arm.
7. soft bag type package horizontal sealing shutoff device as claimed in claim 5 is characterized in that described folder film spare is provided with admission port and blows to the blowing mouth of horizontal sealing station of soft bag and the compressed air channel between admission port and the blowing mouth.
8. soft bag type package horizontal sealing shutoff device as claimed in claim 7 is characterized in that the air by-pass passage before described blowing mouth and the blowing mouth is flat finedraw or one group of Small Holes on the folder film spare.
9. soft bag type package horizontal sealing shutoff device as claimed in claim 5, it is characterized in that it is provided with packaging film and makes mechanism in order, described packaging film is made mechanism in order and is comprised a pair of reason film bar, described reason film bar is contained in described a pair of going up on the folder film spare movably respectively, on the direction that seesaws of last folder film spare, the reason film bar of initial condition, the one end is more forward than the other end, and can turn to the back to rotate gradually from forward end, described packaging film is made the retracing spring that mechanism also is provided with described reason film bar in order.
10. soft bag type package horizontal sealing shutoff device as claimed in claim 9, what it is characterized in that described reason film bar is rotationally connected with the described folder film spare of going up by the rear end, and described retracing spring is to act on the torsion spring of reason film bar by the rear end.
11. soft bag type package horizontal sealing shutoff device as claimed in claim 9, it is characterized in that the described folder film spare of going up is provided with the locations that cooperates with the described forward end of managing the film bar, the described forward end of reason film bar is provided with guiding slotware and/or the guiding rod member that cooperates with locations.
12. soft bag type package horizontal sealing shutoff device as claimed in claim 9 is characterized in that the described forward end of managing the film bar is in the vertical side of sealing the position of the corresponding soft bag of horizontal sealing shutoff device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810061574 CN101279651B (en) | 2008-05-07 | 2008-05-07 | Horizontal-seal cutting method for soft bag type package and horizontal-seal cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810061574 CN101279651B (en) | 2008-05-07 | 2008-05-07 | Horizontal-seal cutting method for soft bag type package and horizontal-seal cutting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101279651A CN101279651A (en) | 2008-10-08 |
| CN101279651B true CN101279651B (en) | 2010-08-25 |
Family
ID=40012373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810061574 Active CN101279651B (en) | 2008-05-07 | 2008-05-07 | Horizontal-seal cutting method for soft bag type package and horizontal-seal cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101279651B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642338A (en) * | 2012-05-02 | 2012-08-22 | 汕头市丹江机电科技有限公司 | Nonwoven fabric packaging machine for improved sealing mechanism |
| CN102700169B (en) * | 2012-07-02 | 2013-10-23 | 王根乐 | Cold cutting bag-making machine without stretching heat sealing line |
| CN103274086B (en) * | 2013-06-06 | 2015-08-19 | 叶春林 | In avoiding plastic film to encapsulate, pernicious gas enters the mode of cavity package |
| CN104648707B (en) * | 2014-09-19 | 2018-01-12 | 游顺球 | Film sealing packing machine |
| CN104670571A (en) * | 2015-02-11 | 2015-06-03 | 邵武市天福包装彩印有限公司 | Plastic film sealing device |
| CN105416705B (en) * | 2015-12-09 | 2018-09-28 | 广东顺德博汇科技股份有限公司 | Seal buccal mass and heat-sealing device |
| CN106335673A (en) * | 2016-09-08 | 2017-01-18 | 合肥三冠包装科技有限公司 | Bag-clamping cooling device of vertical packing machine |
| JP6804382B2 (en) * | 2017-05-16 | 2020-12-23 | Ckd株式会社 | Sealing device |
| CN107758002A (en) * | 2017-11-16 | 2018-03-06 | 深圳安吉尔饮水产业集团有限公司 | A kind of packaging system and its packed part method for packing |
| CN108528806B (en) * | 2018-04-26 | 2023-08-25 | 佛山道斯水溶包装技术有限公司 | Bead packing machine with vacuum control system and method |
| CN109515870A (en) * | 2018-11-12 | 2019-03-26 | 温州市九亿机械有限公司 | A kind of Full automatic soft pipe conduit loading tail sealing machine |
| CN113635610B (en) * | 2021-10-13 | 2022-02-22 | 徐州鑫峰塑业有限公司 | Plastic bag sealing device |
| CN114873014B (en) * | 2022-04-27 | 2024-03-19 | 中国科学院国家天文台 | Drilling sampling cutting and sample preserving device and using method thereof |
-
2008
- 2008-05-07 CN CN 200810061574 patent/CN101279651B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101279651A (en) | 2008-10-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101279651B (en) | Horizontal-seal cutting method for soft bag type package and horizontal-seal cutting device | |
| JP4675665B2 (en) | Packaging machine | |
| CN203345270U (en) | Vertical type four-edge sealing packing machine | |
| CN205801654U (en) | A kind of transverse sealing mechanism of two-channel high efficiency packer | |
| CN108639422A (en) | A kind of whistle lollipop packing machine | |
| CN2931309Y (en) | Continuous side seal shrink packing machine | |
| CN201800265U (en) | Device for automatically taking, folding and adhering paper case | |
| CN201205984Y (en) | Soft bag-type package and lateral sealing cut-off device | |
| CN102133946A (en) | Horizontal sealing device for packaging machine | |
| KR100555193B1 (en) | Apparatus and method for connecting film | |
| CN2926050Y (en) | Sealer of automatic vertical packer | |
| CN210437510U (en) | Horizontal film-drawing and die-sealing mechanism of vertical packaging machine | |
| CN112158393A (en) | Thin film packaging equipment and method for cosmetic packaging box | |
| CN111409926A (en) | Rodless bag making and packaging mechanism and bag making and packaging process thereof | |
| CN111071556A (en) | Double-acting film barrel machine | |
| CN111409924A (en) | Guide roller bag-making and packaging mechanism and bag-making and packaging process thereof | |
| CN201109509Y (en) | Double-station traverse-seal shearing device of soft packaging machine | |
| CN111348254A (en) | Three-dimensional transparent film packaging machine | |
| CN212501370U (en) | Heat sealing mechanism | |
| CN208828228U (en) | A kind of automatic packing apparatus | |
| CN101823349B (en) | Automatic box taking, box folding and box gluing device | |
| CN202344908U (en) | Production device for aluminum foil composite packaging bags | |
| CN201864083U (en) | Horizontal sealing device used for packaging machine | |
| CN206528711U (en) | Triangle bag rotates packaging mechanism | |
| CN211919209U (en) | Synchronous sealing and cutting device of vertical packaging machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HANGZHOU ZHONGYA MACHINERY CO., LTD. Free format text: FORMER NAME: ZHONGYA MACHINERY CO., LTD., HANGZHOU |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Hangzhou City, Zhejiang province Gongshu District 310011 Fang Dai Road No. 189 Patentee after: Hangzhou Zhongya Machinery Co., Ltd. Address before: Hangzhou City, Zhejiang province Gongshu District 310011 Fang Dai Road No. 189 Patentee before: Zhongya Machinery Co., Ltd., Hangzhou |