CN214819042U - Waste discharge film cyclic utilization process unit - Google Patents

Waste discharge film cyclic utilization process unit Download PDF

Info

Publication number
CN214819042U
CN214819042U CN202120581572.9U CN202120581572U CN214819042U CN 214819042 U CN214819042 U CN 214819042U CN 202120581572 U CN202120581572 U CN 202120581572U CN 214819042 U CN214819042 U CN 214819042U
Authority
CN
China
Prior art keywords
waste
shaft
station
film
cutting device
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
Application number
CN202120581572.9U
Other languages
Chinese (zh)
Inventor
黄健
张森林
徐思通
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Boshuo Technology Co ltd
Shenzhen Boshuo Science And Technology Co ltd
Original Assignee
Zhengzhou Boshuo Technology Co ltd
Shenzhen Boshuo Science And Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhengzhou Boshuo Technology Co ltd, Shenzhen Boshuo Science And Technology Co ltd filed Critical Zhengzhou Boshuo Technology Co ltd
Priority to CN202120581572.9U priority Critical patent/CN214819042U/en
Application granted granted Critical
Publication of CN214819042U publication Critical patent/CN214819042U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The utility model relates to a waste film recycling process device, which comprises a die cutting device, a waste box and a buffering guide shaft; the die cutting device comprises a feeding end and a waste discharging end, a first stripping knife is arranged at the waste discharging end, a second stripping knife is arranged on the side, close to the first stripping knife, of the waste box, and the first stripping knife and the second stripping knife are oppositely arranged in a splayed shape; the die cutting device is provided with a support film, the support film penetrates through a gap between the first stripping knife and the second stripping knife to be connected to the buffer guide shaft, and then the support film is connected to the feed end of the die cutting device from the buffer guide shaft. The utility model discloses a design of stripping knife will hold in the palm the waste material piece clearance on the end membrane and retrieve to the waste material box, and clean up holds in the palm the end membrane and passes back to cross cutting device's feed end through the buffering guiding axle to reach and hold in the palm the effect that the end membrane can recycle repeatedly, greatly reduced manufacturing cost, prevented the waste of holding in the palm end membrane material, strengthened the feature of environmental protection of production.

Description

Waste discharge film cyclic utilization process unit
Technical Field
The utility model belongs to the technical field of the equipment technique is cut to the membrane and specifically relates to a membrane cyclic utilization process units wastes discharge.
Background
The die cutting machine is mainly used for die cutting, indentation, cold embossing and the like of non-metal materials such as adhesive sticker, EVA (ethylene vinyl acetate), double-sided adhesive tape, electronics, mobile phone rubber mats and other products, and is important equipment for packaging, processing and forming after printing. The existing equipment carries out die cutting after compounding the waste discharge film and the main material, and the waste is pushed to the waste discharge film to be directly rolled up through the ejector pin or the foam, so that the waste discharge film cannot be recycled, the production cost is high, and great waste is caused.
SUMMERY OF THE UTILITY MODEL
In view of the above circumstances, it is necessary to provide a waste film recycling process apparatus to solve the problems of high production cost and material waste caused by the fact that the waste film cannot be recycled in the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: a waste discharge film recycling process device comprises a die cutting device, a waste material box and a buffering guide shaft;
the die cutting device comprises a feeding end and a waste discharging end, a first stripping knife is arranged at the waste discharging end, a second stripping knife is arranged on the side, close to the first stripping knife, of the waste box, and the first stripping knife and the second stripping knife are oppositely arranged in a splayed shape;
the die cutting device is provided with a support film, the support film penetrates through a gap between the first stripping knife and the second stripping knife to be connected to the buffer guide shaft, and then the support film is connected to the feed end of the die cutting device from the buffer guide shaft.
Furthermore, a plurality of guide shafts are arranged on the transmission path of the waste discharge end of the die cutting device and the buffer guide shaft and the transmission path of the buffer guide shaft and the feed end of the die cutting device.
Further, the buffer guide shaft includes a plurality of spring assemblies.
Further, the die cutting device comprises a first station, a second station and a third station;
the first station is provided with a first rubber shaft and a first steel shaft, the first rubber shaft is arranged above the first steel shaft to form a first gap part, the second station is provided with a cutting die and a second steel shaft, the cutting die is arranged above the second steel shaft to form a second gap part, the third station is provided with a second rubber shaft and a third steel shaft, and the second rubber shaft is arranged above the third steel shaft to form a third gap part;
the power bottom rollers are arranged below the first steel shaft, the second steel shaft and the third steel shaft, the transmission shafts are arranged below the power bottom rollers, a fourth gap portion is formed between the third steel shaft and the power bottom rollers, and the first station, the second station and the third station are sequentially arranged from left to right.
Further, the device also comprises an outer frame waste recycling station and a finished product recycling station;
the die cutting device also comprises a protective film, the carrier film and the protective film are connected to the first gap part through the feed end and then connected to the second gap part from the first gap part;
the protective film comprises outer frame waste and a finished product, the outer frame waste is connected to the outer frame waste recycling station at the second gap, and the finished product is connected to the finished product recycling station at the third gap;
the carrier film includes waste debris thereon, and is attached from the second void to the fourth void and from the fourth void to the waste discharge end.
Furthermore, pressure frames are arranged on the first station, the second station and the third station, and the pressure frames are abutted against the first rubber shaft, the second rubber shaft or the cutting die.
Further, the waste material box below is equipped with the third and glues the axle, and the third is glued the axle and is propped with the waste material box, and the third is glued the axle below and also is equipped with power bottom roll, and power bottom roll below is equipped with the transmission shaft.
Further, still include the support bottom membrane recycle bin.
Further, the transmission shaft is connected with a driving motor.
Further, the first stripping blade is arranged at a higher height than the second stripping blade.
Through the technical scheme, the beneficial effects of the utility model are that:
the utility model discloses a design of stripping knife will hold in the palm the waste material piece clearance on the end membrane and retrieve to the waste material box, and clean up holds in the palm the end membrane and passes back to cross cutting device's feed end through the buffering guiding axle to reach and hold in the palm the effect that the end membrane can recycle repeatedly, greatly reduced manufacturing cost, prevented the waste of holding in the palm end membrane material, strengthened the feature of environmental protection of production.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
fig. 3 is a schematic structural view of a die cutting device according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a conventional apparatus.
1000. A die cutting device; 1100. a first station; 1110. a feeding end; 1120. a first void portion; 1121. a first glue shaft; 1122. a first steel shaft; 1200. a second station; 1210. a second void portion; 1211. cutting the die; 1212. a second steel shaft; 1300. a third station; 1310. a waste discharge end; 1311. a first stripping knife; 1320. a third void portion; 1321. a second glue shaft; 1322. a third steel shaft; 1330. a fourth void portion; 1400. supporting a membrane; 1410. scrap pieces; 1500. a protective film; 1510. outer frame waste; 1520. obtaining a finished product; 1600. a pressure frame; 2000. a waste material box; 2100. a second stripping knife; 2200. a third glue shaft; 3000. a buffer guide shaft; 3100. a spring assembly; 4000. a guide shaft; 5000. a powered bottom roller; 6000. a drive shaft; 7000. an outer frame waste recovery station; 8000. a finished product recovery station; 9000. a bottom supporting film recycling station.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description, with reference to the accompanying drawings and embodiments, will explain the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1-4, a waste film recycling process apparatus includes a die cutting device 1000, a waste box 2000 and a buffer guide shaft 3000;
the die cutting device 1000 comprises a feeding end 1110 and a waste discharging end 1310, wherein a first stripping knife 1311 is arranged at the waste discharging end 1310, a second stripping knife 2100 is arranged on the side, close to the first stripping knife 1311, of the waste material box 2000, and the first stripping knife 1311 and the second stripping knife 2100 are oppositely arranged in a splayed shape;
the die cutting device 1000 is provided with a backing film 1400, the backing film 1400 passes through a gap between the first stripping knife 1311 and the second stripping knife 2100 to be connected to the buffer guide shaft 3000, and then is connected to the feed end 1110 of the die cutting device 1000 from the buffer guide shaft 3000. In the prior art (see fig. 4), the backing film 1400 is directly conveyed from the die-cutting device 1000 back to the backing film recycling station 9000.
The utility model discloses a design of stripping knife will hold in the palm the scrap material piece 1410 clearance on the end membrane 1400 and retrieve to waste material box 2000, and clean up holds in the palm end membrane 1400 and passes back to the feed end 1110 of cutting device 1000 through buffering guiding axle 3000 to reach the effect that holds in the palm end membrane 1400 can recycle repeatedly, greatly reduced manufacturing cost, prevented the waste of holding in the palm end membrane 1400 material, strengthened the feature of environmental protection of production.
Referring to fig. 1, in the present embodiment, a plurality of guide shafts 4000 are disposed on the transmission paths of the waste discharging end 1310 and the buffer guide shaft 3000 of the die-cutting device 1000 and the transmission paths of the buffer guide shaft 3000 and the feeding end 1110 of the die-cutting device 1000, so as to support and transition the bottom supporting film 1400, and the number of the guide shafts 4000 is set according to a specific device distance, preferably, a group of guide shafts 4000 is disposed on the transmission paths of the waste discharging end 1310 and the buffer guide shaft 3000 of the die-cutting device 1000 and the transmission paths of the buffer guide shaft 3000 and the feeding end 1110 of the die-cutting device 1000.
Referring to fig. 1, in the present embodiment, the buffer guide shaft 3000 includes a plurality of spring assemblies 3100, and the spring assemblies 3100 may relieve the tension of the backing film 1400 to prevent the backing film 1400 from breaking due to an excessive tension during a repeated use process, and preferably, two sets of spring assemblies 3100 are provided.
Referring to fig. 1-3, in the present embodiment, a die-cutting apparatus 1000 includes a first station 1100, a second station 1200 and a third station 1300;
a first rubber shaft 1121 and a first steel shaft 1122 are arranged on the first station 1110, the first rubber shaft 1121 is arranged above the first steel shaft 1122 to form a first gap 1120, a cutting die 1211 and a second steel shaft 1212 are arranged on the second station 1200, the cutting die 1211 is arranged above the second steel shaft 1212 to form a second gap 1210, a second rubber shaft 1321 and a third steel shaft 1322 are arranged on the third station 1300, and a second rubber shaft 1321 is arranged above the third steel shaft 1322 to form a third gap 1320;
the first steel shaft 1122, the second steel shaft 1212 and the third steel shaft 1322 are all provided with a power bottom roller 5000 below, the power bottom rollers 5000 are all provided with a transmission shaft 6000 below, a fourth gap 1330 is formed between the third steel shaft 5000 and the power bottom rollers 6000, and the first station 1100, the second station 1200 and the third station 1300 are sequentially arranged from left to right to form the die cutting device 1000. The carrier film 140 and the product can be laminated and peeled off by performing a corresponding pressing and peeling operation on the first gap portion 1120, the second gap portion 1210, the third gap portion 1320, and the fourth gap portion 1330. The transmission shaft 6000 drives the power bottom roller 5000, and the power bottom roller 5000 drives the steel shaft and the rubber shaft or the cutting die 1211 to perform corresponding pressing and cutting on the product, so that the purpose of die cutting is achieved.
Referring to fig. 1-3, in the present embodiment, the system further includes an outer frame waste recycling station 7000 and a finished product recycling station 8000;
the die cutting device 1000 is further provided with a protection film 1500 (i.e. a product), the bottom supporting film 1400 and the protection film 1500 are firstly connected to the first gap 1120 together through the feeding end 110, the first rubber shaft 1121 and the first steel shaft 1122 are used for die pressing, the steel shaft can bear a load, the rubber shaft has a certain adhesive force and can be more attached to the film, so that the protection film 1500 is fixed on the bottom supporting film 1400, and the bottom supporting film 1400 has viscosity. Then, the protective film 1500 is connected to the second cavity portion 1210 from the first cavity portion 1120, the knife mold 1211 on the second cavity portion 1210 performs die cutting on the protective film 1500, after the die cutting, the protective film 1500 is separated into the outer frame waste 1510 and the finished product 1520 through the ejector pins, the outer frame waste 1510 is recycled to the outer frame waste recycling station 7000 through the guide shafts in the second cavity portion 1210, the finished product 1520 continues to be conveyed to the third cavity portion 1320, at this time, the finished product 1520 and the bottom supporting film 1400 are also separated on the second cavity portion 1210 through the ejector pins, and the finished product 1520 is recycled to the finished product recycling station 8000 through the guide shafts in the third cavity portion 1320. In the die cutting process, some waste scraps 1410 generated on the protective film 1500 are attached to the bottom supporting film 1400, the bottom supporting film 1400 is conveyed to the fourth gap 1330 through the guide shaft in the second gap 1210, and then conveyed to the waste discharge end 1310 from the fourth gap 1330, and then passes through the gap between the two sets of stripping knives, the stripping knives scrape the waste scraps 1410 attached to the bottom supporting film 1400, the waste scraps 1410 fall into the waste box 2000, and the completely processed bottom supporting film 1400 is conveyed to the feed end 1110 through the buffer guide shaft 3000, so that the recycling of the bottom supporting film 1400 is completed, the material is greatly saved, and the cost is reduced.
Referring to fig. 1, in the present embodiment, the first station 1100, the second station 1200 and the third station 1300 are all provided with a pressure frame 1600, and the pressure frame 1600 abuts against the first rubber shaft 1121, the second rubber shaft 1321 or the cutting die 1211. The pressure frame 1600 is designed for a screw rod, and can press a rubber shaft or a cutting die 1211 on a steel shaft by adjusting the screw rod to complete die pressing and die cutting, and can adjust the tightness according to factors such as the thickness and the hardness of a specific product to achieve a better effect.
Referring to fig. 1, in the embodiment, a third glue shaft 2200 is disposed below the waste box 2000, the third glue shaft 2200 abuts against the waste box 2000, a power bottom roller 5000 is also disposed below the third glue shaft 2200, and a transmission shaft 6000 is disposed below the power bottom roller 5000, so that the waste box 2000 can be transported, and the waste chippings 1410 can be cleaned conveniently.
Referring to fig. 1, in this embodiment, a bottom film recycling station 9000 is further provided, and although the bottom film 1400 may be recycled, the number of times may be limited to about eighteen times, and the bottom film 1400 that is not used may be recycled to the bottom film recycling station 9000 and replaced with a new bottom film 1400.
In this embodiment, be connected with the motor on the transmission shaft 6000, drive the station, guarantee the normal operating of equipment.
Referring to fig. 2, in the present embodiment, it is preferable that the first stripping blade 1311 is disposed at a higher height than the second stripping blade 2100, so that the scrap 1410 can more easily enter the waste box 2000, and the scrap 1410 is prevented from falling.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description in any form, and although the present invention has been disclosed with reference to the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment of the above embodiments without departing from the scope of the present invention.

Claims (10)

1. A waste discharge film recycling process device is characterized by comprising a die cutting device (1000), a waste box (2000) and a buffer guide shaft (3000);
the die cutting device (1000) comprises a feeding end (1110) and a waste discharging end (1310), a first stripping knife (1311) is arranged at the waste discharging end (1310), a second stripping knife (2100) is arranged on the side, close to the first stripping knife (1311), of the waste box (2000), and the first stripping knife (1311) and the second stripping knife (2100) are oppositely arranged in a splayed shape;
the die cutting device (1000) is provided with a support film (1400), the support film (1400) penetrates through a gap between the first stripping knife (1311) and the second stripping knife (2100) to be connected to the buffering guide shaft (3000), and then the support film is connected to the feeding end (1110) of the die cutting device (1000) from the buffering guide shaft (3000).
2. The waste film recycling process device as claimed in claim 1, wherein a plurality of guide shafts (4000) are provided on the transmission path between the waste end (1310) of the die cutting device (1000) and the buffer guide shaft (3000) and on the transmission path between the buffer guide shaft (3000) and the feed end (1110) of the die cutting device (1000).
3. The waste film recycling process unit as claimed in claim 1, wherein said buffer guide shaft (3000) comprises a plurality of spring assemblies (3100).
4. The waste film recycling process unit as claimed in claim 1, wherein said die cutting device (1000) comprises a first station (1100), a second station (1200) and a third station (1300);
the first station (1100) is provided with a first rubber shaft (1121) and a first steel shaft (1122), the first rubber shaft (1121) is arranged above the first steel shaft (1122) to form a first gap portion (1120), the second station (1200) is provided with a cutting die (1211) and a second steel shaft (1212), the cutting die (1211) is arranged above the second steel shaft (1212) to form a second gap portion (1210), the third station (1300) is provided with a second rubber shaft (1321) and a third steel shaft (1322), and the second rubber shaft (1321) is arranged above the third steel shaft (1322) to form a third gap portion (1320);
first steel axle (1122), second steel axle (1212) and the below of third steel axle (1322) all is equipped with power bottom roller (5000), power bottom roller (5000) below all is equipped with transmission shaft (6000), constitute fourth gap portion (1330) between third steel axle (1322) and power bottom roller (5000), first station (1100), second station (1200) and third station (1300) set gradually from a left side to the right side.
5. The waste film recycling process unit as claimed in claim 4, further comprising an outer frame waste recycling station (7000) and a finished product recycling station (8000);
the die cutting device (1000) further comprises a protective film (1500), the carrier film (1400) and the protective film (1500) are firstly connected to the first gap part (1120) through the feeding end (1110) and then connected to the second gap part (1210) from the first gap part (1120);
the protective film (1500) includes an outer frame waste (1510) and a finished product (1520), the outer frame waste (1510) being connected to the outer frame waste recycle station (7000) at the second void (1210), the finished product (1520) being connected to a finished product recycle station (8000) at the third void (1320);
the carrier film (1400) includes waste debris (1410), and the carrier film (1400) is attached to the fourth gap (1330) from the second gap (1210) and is attached to the waste (1310) from the fourth gap (1330).
6. The waste discharge membrane recycling process unit according to claim 4, wherein a pressure frame (1600) is disposed on each of the first station (1100), the second station (1200) and the third station (1300), and the pressure frame (1600) abuts against the first rubber shaft (1121), the second rubber shaft (1321) or the knife mold (1211).
7. The waste discharge film recycling process unit according to claim 4, wherein a third glue shaft (2200) is arranged below the waste material box (2000), the third glue shaft (2200) is abutted to the waste material box (2000), the power bottom roller (5000) is also arranged below the third glue shaft (2200), and the transmission shaft (6000) is arranged below the power bottom roller (5000).
8. The waste film recycling process unit as claimed in claim 1, further comprising a bottom film recycling station (9000).
9. The waste film recycling process unit as claimed in claim 4 or 7, wherein the transmission shaft (6000) is connected with a driving motor.
10. The waste film recycling process unit as claimed in claim 1, wherein the first stripping blade (1311) is disposed at a higher height than the second stripping blade (2100).
CN202120581572.9U 2021-03-22 2021-03-22 Waste discharge film cyclic utilization process unit Active CN214819042U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120581572.9U CN214819042U (en) 2021-03-22 2021-03-22 Waste discharge film cyclic utilization process unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120581572.9U CN214819042U (en) 2021-03-22 2021-03-22 Waste discharge film cyclic utilization process unit

Publications (1)

Publication Number Publication Date
CN214819042U true CN214819042U (en) 2021-11-23

Family

ID=78759543

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120581572.9U Active CN214819042U (en) 2021-03-22 2021-03-22 Waste discharge film cyclic utilization process unit

Country Status (1)

Country Link
CN (1) CN214819042U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116274175A (en) * 2023-05-24 2023-06-23 潍坊市博硕精密电子有限公司 Efficient recycling and processing device and method for waste film discharge circulation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116274175A (en) * 2023-05-24 2023-06-23 潍坊市博硕精密电子有限公司 Efficient recycling and processing device and method for waste film discharge circulation
CN116274175B (en) * 2023-05-24 2023-07-18 潍坊市博硕精密电子有限公司 Efficient recycling and processing device and method for waste film discharge circulation

Similar Documents

Publication Publication Date Title
CN107398948B (en) Die-cutting material belt defective single-sheet removing and repairing mechanism and method
CN108213731B (en) Battery pole piece cutting equipment
CN214819042U (en) Waste discharge film cyclic utilization process unit
CN208698136U (en) It is a kind of that the die-cutting machine of Double layer band bottom surface protection is provided
CN213617118U (en) Multifunctional asynchronous punching device
CN207155961U (en) A kind of full-automatic stripping die-cutting device
CN208867335U (en) A kind of ring-like double-sided adhesive and the equipment for producing the annular double-sided adhesive
CN215319147U (en) Easy-to-peel die cutting device
CN112388730B (en) Production system for keyboard glue die cutting
CN213197820U (en) Cross cutting machine rim charge discharge structure
CN214236438U (en) Conveying mechanism with edge milling device
CN210823169U (en) Automatic tear film positive and negative protection film mechanism
CN110561550B (en) Novel material die cutting process for heat dissipation paste
CN114347169A (en) Automatic waste discharge process for avoiding die cutting
CN210362878U (en) Insulating paper laminating and cutting device used in trademark production
CN218875698U (en) Label cutting device
CN215038162U (en) Macromolecular composite cross cutting is with machine of wasting discharge with receiving device
CN218579252U (en) Rim charge recycling system based on plastic film side cut equipment
CN110077895B (en) Double faced adhesive tape die cutting manufacturing equipment
CN211164296U (en) Efficient die cutting device for annular protective film products
CN211517835U (en) Conveying device capable of reducing bubbling of fiberboard
CN220699882U (en) Flat-pressing flat die-cutting device without lining belt
CN211967747U (en) Waste discharge device of die-cutting machine
CN218748105U (en) Slicing mechanism for copper foil production
CN214394548U (en) OCA cross cutting machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant