CN211636736U - Waste recovery device of packaging machine - Google Patents

Waste recovery device of packaging machine Download PDF

Info

Publication number
CN211636736U
CN211636736U CN201922476460.2U CN201922476460U CN211636736U CN 211636736 U CN211636736 U CN 211636736U CN 201922476460 U CN201922476460 U CN 201922476460U CN 211636736 U CN211636736 U CN 211636736U
Authority
CN
China
Prior art keywords
grinding
box
case
fixed mounting
extrusion
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
CN201922476460.2U
Other languages
Chinese (zh)
Inventor
李凤儒
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.)
Hangzhou Lingsheng Machinery Co ltd
Original Assignee
Hangzhou Lingsheng Machinery 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 Hangzhou Lingsheng Machinery Co ltd filed Critical Hangzhou Lingsheng Machinery Co ltd
Priority to CN201922476460.2U priority Critical patent/CN211636736U/en
Application granted granted Critical
Publication of CN211636736U publication Critical patent/CN211636736U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Abstract

The utility model discloses a packagine machine's waste recovery device, including the grinding case, the cavity has been seted up to the inside of grinding case, the grinding case has the material pouring pipe by the material pouring mouth intercommunication that central point put to set up through its top, the top fixed mounting that leans on of one side has the protective frame in the grinding incasement, the cavity has been seted up to the inside of protective frame, top fixed mounting that leans on of grinding case one side has first quick-witted case, the inside fixed mounting of first quick-witted case has the motor. This packagine machine's waste recovery device uses through the cooperation of motor, first bull stick, first grinding post, second bull stick, second grinding post, grinding stick, first sprocket, second sprocket and chain, and the motor rotates and drives first bull stick and first sprocket and rotate, drives the second sprocket through the chain and makes second bull stick and second grinding post rotate simultaneously, can grind the waste material, lets the waste material better retrieve.

Description

Waste recovery device of packaging machine
Technical Field
The utility model relates to a packagine machine technical field specifically is a packagine machine's waste recovery device.
Background
The packaging machine is a machine for packaging products, plays a role in protection and attractiveness, and is mainly divided into two aspects, namely, production line type integral production packaging and peripheral product packaging equipment, the packaging machine can generate waste materials in the product packaging process, and the waste materials are generally recycled by using a waste material recycling device.
The waste recovery device of the traditional packaging machine usually only collects waste materials and does not have the functions of grinding and extruding the waste materials, so that the recovery efficiency of the waste materials is reduced, meanwhile, the purpose of secondary utilization of the waste materials cannot be achieved, and the use requirement of a user cannot be met. We therefore propose a waste recovery device for a packaging machine.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a packagine machine's waste recovery device to the waste recovery device who provides traditional packagine machine in solving above-mentioned background is only single usually collects the garbage, and does not possess the function of carrying out grinding and extrusion to the waste material very much, thereby has reduced the recovery efficiency to the waste material, simultaneously, also can't reach the purpose to waste material reutilization, can not satisfy user's user demand's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a packagine machine's waste recovery device, includes the grinding case, the cavity has been seted up to the inside of grinding case, the grinding case leans on the pouring hole intercommunication that central point put and set up through its top to have the material pouring pipe, the top fixed mounting that leans on of one side in the grinding case has the protective frame, the cavity has been seted up to the inside of protective frame, the top fixed mounting that leans on of grinding case one side has first quick-witted case, the inside fixed mounting of first quick-witted case has the motor, the motor is through the output fixed connection of its one side main shaft, one side of main shaft runs through first quick-witted case and grinding case in proper order and extends to the inside of grinding case, one side fixedly connected with first bull stick of main shaft far away from the motor, one side of first bull stick runs through to the outside of protective frame and leans on top fixed mounting's bearing swing joint with one side in the grinding case, the first bull stick surface leans on one side, the bottom in the grinding box is provided with the second bull stick, the bearing swing joint of bottom fixed mounting in the grinding box is passed through to one side of second bull stick, the opposite side of second bull stick run through to the outside of protective frame and with grinding box opposite side fixed mounting's bearing swing joint, the second bull stick surface lean on one side position fixed mounting have the second grinding post, the inside that leans on one side position on the surface of first bull stick and second bull stick corresponds protective frame has first sprocket and second sprocket respectively fixed mounting, all connect through chain drive between first sprocket and the second sprocket.
The grinding box is fixedly provided with an extrusion box at the bottom, a cavity is arranged in the extrusion box, the grinding box is communicated with a blanking pipe through a blanking port arranged at the inner bottom close to the central position, the bottom of the blanking pipe is communicated with a feeding port arranged at the top close to the central position, a second box is fixedly arranged at one side of the extrusion box close to the central position, a first cylinder is fixedly arranged in the second box, the first cylinder is fixedly connected with a first piston rod through an output end at one side of the first cylinder, one side of the first piston rod, far away from the first cylinder, sequentially penetrates through the second box and the extrusion box and extends into the extrusion box, one side of the first piston rod is fixedly connected with a connecting rod, one side of the connecting rod is fixedly connected with a first extrusion plate, the other side of the extrusion box is fixedly provided with a third box, and a second cylinder is fixedly arranged in the third box, the second cylinder is fixedly connected with a second piston rod through the output end of one side of the second cylinder, a second extrusion plate is fixedly connected with one side of the second piston rod, and a base is fixedly installed at the position, close to one side, of the bottom of the extrusion box.
Preferably, two inclined plates are fixedly arranged inside the grinding box, and the two inclined plates are respectively positioned at positions close to two sides of the bottom in the grinding box.
Preferably, the extrusion case bottom is by another side position fixed mounting have the collection box, the cavity has been seted up to the inside of collection box, the extrusion case leans on the bin outlet intercommunication that one side position was seted up through its interior bottom to have a row material pipe, the bottom of arranging the material pipe leans on the discharge gate intercommunication that one side position was seted up with the collection box top.
Preferably, the surface of each of the first grinding column and the second grinding column is fixedly provided with a grinding rod, and both sides of the grinding rod are fixedly connected with grinding teeth.
Preferably, the movable doors are movably mounted near the center of the front surfaces of the recovery box and the grinding box, the door handles are fixedly mounted near one side of the front surfaces of the movable doors, the split movable doors are movably mounted near the center of the front surface of the extrusion box, and the split door handles are fixedly mounted on the opposite sides of the split movable doors.
Preferably, the motor is a three-phase asynchronous motor, and the model of the motor is YS 6312.
Preferably, the first cylinder and the second cylinder are both standard cylinders, and the types of the first cylinder and the second cylinder are both SC100X 250.
Compared with the prior art, the beneficial effects of the utility model are that:
the waste recovery device of the packaging machine drives the first rotating rod and the first chain wheel to rotate by the rotation of the motor and drives the second rotating rod and the second grinding column to rotate simultaneously by the driving of the second chain wheel by the chain through the matching use of the motor, the first rotating rod, the first grinding column, the second rotating rod, the second grinding column, the grinding rod, the first chain wheel, the second chain wheel and the chain, the waste can be ground to better recycle the waste, the design of the first cylinder, the first piston rod, the connecting rod, the first extrusion plate, the second cylinder, the second piston rod and the second extrusion plate, can extrude the ground waste material to achieve the effect of compressing the waste material, thereby saving the occupied space and meeting the use requirements of users, moreover, first cylinder can push the waste material that finishes processing in the collection box from arranging the material pipe, has improved the work efficiency to waste recovery, has also improved the effect that carries out the reutilization to the waste material simultaneously.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a front view of the structure of the present invention;
fig. 4 is a rear view of the structure of the present invention.
In the figure: 1. a grinding box; 2. pouring a material pipe; 3. a protective frame; 4. a first chassis; 5. a motor; 6. a main shaft; 7. a first rotating lever; 8. a first grinding column; 9. a second rotating rod; 10. a second grinding column; 11. a grinding bar; 12. a first sprocket; 13. a second sprocket; 14. a chain; 15. a sloping plate; 16. extruding the box; 17. A second chassis; 18. a first cylinder; 19. a first piston rod; 20. a connecting rod; 21. a first squeeze plate; 22. a third chassis; 23. a second cylinder; 24. a second piston rod; 25. a second compression plate; 26. A discharging pipe; 27. a base; 28. a discharge pipe; 29. a recycling bin; 30. a movable door; 31. a handle; 32. The movable door is opened in half.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a waste recovery device of a packaging machine comprises a grinding box 1, a cavity is arranged inside the grinding box 1, the grinding box 1 is communicated with a material pouring pipe 2 through a material pouring port arranged at the top close to the central position, a protective frame 3 is fixedly arranged at one side inside the grinding box 1 close to the top position, the cavity is arranged inside the protective frame 3, a first machine box 4 is fixedly arranged at one side of the grinding box 1 close to the top position, a motor 5 is fixedly arranged inside the first machine box 4, the motor 5 is fixedly connected with a spindle 6 through an output end at one side, one side of the spindle 6 sequentially penetrates through the first machine box 4 and the grinding box 1 and extends into the grinding box 1, a first rotating rod 7 is fixedly connected to one side of the spindle 6 far away from the motor 5, one side of the first rotating rod 7 penetrates through the outside of the protective frame 3 and is movably connected with a bearing fixedly arranged at one side inside the grinding box 1 close to the top position, a first grinding column 8 is fixedly arranged at one side of, the bottom in the grinding box 1 is provided with second bull stick 9, the bearing swing joint of bottom fixed mounting in the grinding box 1 is passed through to one side of second bull stick 9, the opposite side of second bull stick 9 run through to the outside of protecting frame 3 and with grinding box 1 in opposite side fixed mounting's bearing swing joint, the second bull stick 9 surface lean on one side position fixed mounting have a second grinding post 10, the inside that leans on one side position on the surface of first bull stick 7 and second bull stick 9 corresponds protecting frame 3 is fixed mounting respectively has first sprocket 12 and second sprocket 13, all connect through the transmission of chain 14 between first sprocket 12 and the second sprocket 13.
The bottom of the grinding box 1 is fixedly provided with an extrusion box 16, the interior of the extrusion box 16 is provided with a cavity, the grinding box 1 is communicated with a blanking pipe 26 through a blanking port arranged at the inner bottom close to the central position, the bottom of the blanking pipe 26 is communicated with a feeding port arranged at the top close to the central position of the extrusion box 16, a second box 17 is fixedly arranged at the side close to the central position of one side of the extrusion box 16, a first air cylinder 18 is fixedly arranged in the second box 17, the first air cylinder 18 is fixedly connected with a first piston rod 19 through an output end at one side, one side of the first piston rod 19 far away from the first air cylinder 18 sequentially penetrates through the second box 17 and the extrusion box 16 and extends to the interior of the extrusion box 16, one side of the first piston rod 19 is fixedly connected with a connecting rod 20, one side of the connecting rod 20 is fixedly connected with a first extrusion plate 21, the other side of the extrusion box 16 is fixedly provided with a, the second cylinder 23 is fixedly connected with a second piston rod 24 through the output end of one side thereof, one side of the second piston rod 24 is fixedly connected with a second extrusion plate 25, and a base 27 is fixedly installed at a position close to one side of the bottom of the extrusion box 16.
The utility model discloses in: two inclined plates 15 are arranged inside the grinding box 1, and the two inclined plates 15 are respectively positioned at the positions close to two sides of the bottom in the grinding box 1; the design of the inclined plate 15 makes it easier for the ground waste to fall into the press box 16 through the inclination of the inclined plate 15.
The utility model discloses in: a recovery box 29 is fixedly arranged at the position close to the other side of the bottom of the extrusion box 16, a cavity is formed in the recovery box 29, the extrusion box 16 is communicated with a discharge pipe 28 through a discharge port formed at the position close to one side of the inner bottom of the extrusion box, and the bottom of the discharge pipe 28 is communicated with a discharge port formed at the position close to one side of the top of the recovery box 29; the recycling bin 29 is designed to recycle the ground and pressed waste material.
The utility model discloses in: the surfaces of the first grinding column 8 and the second grinding column 10 are both fixedly provided with grinding rods 11, and both sides of the grinding rods 11 are both fixedly connected with grinding teeth; the design of the grinding teeth can achieve the purpose of improving the waste grinding efficiency.
The utility model discloses in: movable doors 30 are movably mounted on the front surfaces of the recovery box 29 and the grinding box 1 close to the center, door handles 31 are fixedly mounted on the front surfaces of the movable doors 30 close to one side, split movable doors 32 are movably mounted on the front surfaces of the extrusion boxes 16 close to the center, and split door handles are fixedly mounted on the opposite sides of the split movable doors 32; the movable door 30 and the door handle 31 are designed such that a user can open the movable door 30 by the handle 31 to dispose of waste materials inside the recovery box 29 and replace or clean instruments inside the grinding box 1, respectively, and can open the movable door 32 and the door handle by the user to open the movable door 32 and then clean or disassemble and replace instruments inside.
The utility model discloses in: the motor 5 is a three-phase asynchronous motor and adopts the model number YS 6312.
The utility model discloses in: the first cylinder 18 and the second cylinder 23 are both standard cylinders, and the first cylinder 18 and the second cylinder 23 are both SC100X250 in type.
The working principle is as follows: firstly, the motor 5 drives the main shaft 6 to drive the first rotating rod 7 to drive the first chain wheel 12 and the first grinding column 8 to rotate, at the same time, the second chain wheel 13 drives the second rotating rod 9 and the second grinding column 10 to rotate through the chain 14, then, the user pours the waste material into the discharging pipe 2, the grinding rod 11 grinds the poured waste material, the ground waste material falls into the extrusion box 16 through the discharging pipe 26, at this time, the second air cylinder 23 drives the second piston rod 24 and the second extrusion plate 25 to push the ground waste material to the first extrusion plate 21, thereby compressing the waste material, after the compression is completed, the second air cylinder 23 moves the second piston rod 24 and the second extrusion plate 25 in the opposite direction, so that the second extrusion plate 25 moves to the edge on the left side of the discharging opening, then, the first air cylinder 18 drives the first piston rod 19 and the first extrusion plate 21 to push the waste material into the discharging pipe 28, finally, the processed waste falls into the recycling box 29, so that the operation is convenient and fast, and the use of a user is facilitated.
In summary, the following steps: the waste recovery device of the packing machine is characterized in that a motor 5, a first rotating rod 7, a first grinding column 8, a second rotating rod 9, a second grinding column 10, a grinding rod 11, a first chain wheel 12, a second chain wheel 13 and a chain 14 are matched for use, the motor 5 rotates to drive the first rotating rod 7 and the first chain wheel 12 to rotate, the chain 14 drives the second chain wheel 13 to enable the second rotating rod 9 and the second grinding column 10 to rotate simultaneously, waste can be ground, waste can be better recovered, a first air cylinder 18, a first piston rod 19, a connecting rod 20, a first extrusion plate 21, a second air cylinder 23, a second piston rod 24 and a second extrusion plate 25 are designed, ground waste can be extruded, the waste achieves a compression effect, occupied space is saved, the use requirement of a user is met, the first air cylinder 18 can push the processed waste into a recovery box 29 from a discharge pipe 28, the efficiency of work to waste recycling is improved, user's use of having convenient for has also improved the effect of carrying out the reutilization to the waste material simultaneously.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The electrical components appearing in the paper are all electrically connected with an external main controller and 220V mains supply, the main controller can be a servo motor, a contact sensor, a processor, an alarm module, a driving module and other conventional known devices for controlling, standard parts used in the application document can be purchased from the market, the specific connection mode of each part is connected by conventional means such as mature bolts, rivets and welding in the prior art, machines, parts and devices are all of conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that detailed description is not given.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Waste recovery device of a packaging machine, comprising a grinding box (1), characterized in that: the cavity has been seted up to the inside of grinding case (1), grinding case (1) leans on the pouring hole intercommunication that central point put and set up through its top to have material pouring pipe (2), top position fixed mounting that leans on of one side has protecting frame (3) in grinding case (1), the cavity has been seted up to the inside of protecting frame (3), top position fixed mounting that leans on of grinding case (1) one side has first quick-witted case (4), the inside fixed mounting of first quick-witted case (4) has motor (5), motor (5) are through output fixedly connected with main shaft (6) of one side thereof, one side of main shaft (6) runs through first quick-witted case (4) and grinding case (1) in proper order and extends to the inside of grinding case (1), one side fixedly connected with first bull stick (7) of motor (5) are kept away from in main shaft (6), one side of first bull stick (7) run through to the outside of protecting frame (3) and lean on top position with one side in grinding case (1) and fix A bearing which is fixedly arranged is movably connected, a first grinding column (8) is fixedly arranged at the position close to one side of the surface of the first rotating rod (7), a second rotating rod (9) is arranged at the bottom in the grinding box (1), one side of the second rotating rod (9) is movably connected through a bearing fixedly arranged at the bottom in the grinding box (1), the other side of the second rotating rod (9) penetrates through the outside of the protective frame (3) and is movably connected with a bearing fixedly arranged on the other side in the grinding box (1), a second grinding column (10) is fixedly arranged at a position close to one side of the surface of the second rotating rod (9), a first chain wheel (12) and a second chain wheel (13) are respectively and fixedly arranged in the positions, close to one side, of the surfaces of the first rotating rod (7) and the second rotating rod (9) and corresponding to the inner parts of the protective frames (3), the first chain wheel (12) and the second chain wheel (13) are in transmission connection through a chain (14);
the grinding box is characterized in that an extrusion box (16) is fixedly installed at the bottom of the grinding box (1), a cavity is formed in the extrusion box (16), the grinding box (1) is communicated with a blanking pipe (26) through a blanking opening formed in the inner bottom of the grinding box close to the central position, the bottom of the blanking pipe (26) is communicated with a feeding opening formed in the top of the extrusion box (16) close to the central position, a second box (17) is fixedly installed on one side of the extrusion box (16) close to the central position, a first air cylinder (18) is fixedly installed in the second box (17), the first air cylinder (18) is fixedly connected with a first piston rod (19) through an output end of one side of the first air cylinder (18), one side, far away from the first air cylinder (18), of the first piston rod (19) sequentially penetrates through the second box (17) and the extrusion box (16) and extends into the extrusion box (16), and one side of the first piston rod (19), the utility model discloses a hydraulic press box, including connecting rod (20), the first stripper plate (21) of one side fixedly connected with of connecting rod (20), the opposite side fixed mounting of stripper box (16) has third quick-witted case (22), the inside fixed mounting of third machine case (22) has second cylinder (23), second cylinder (23) are through output fixedly connected with second piston rod (24) of its one side, one side fixedly connected with second stripper plate (25) of second piston rod (24), the side position fixed mounting that leans on of stripper box (16) bottom has base (27).
2. The scrap recycling apparatus for a packing machine according to claim 1, wherein: two inclined plates (15) are fixedly arranged in the grinding box (1), and the two inclined plates (15) are respectively positioned at the positions close to two sides of the bottom in the grinding box (1).
3. The scrap recycling apparatus for a packing machine according to claim 1, wherein: extrusion case (16) bottom lean on opposite side position fixed mounting to have collection box (29), the cavity has been seted up to the inside of collection box (29), extrusion case (16) lean on the bin outlet intercommunication that one side position was seted up through its interior bottom to have row material pipe (28), the bottom of arranging material pipe (28) and collection box (29) top lean on the discharge gate intercommunication that one side position was seted up.
4. The scrap recycling apparatus for a packing machine according to claim 1, wherein: the surfaces of the first grinding column (8) and the second grinding column (10) are fixedly provided with grinding rods (11), and two sides of each grinding rod (11) are fixedly connected with grinding teeth.
5. The scrap recycling apparatus for a packing machine according to claim 3, wherein: the recycling bin (29) and the grinding bin (1) are movably provided with movable doors (30) at positions close to the centers of the front surfaces, door handles (31) are fixedly arranged at positions close to one sides of the front surfaces of the movable doors (30), split movable doors (32) are movably arranged at positions close to the centers of the front surfaces of the squeezing bins (16), and split door handles are fixedly arranged at opposite sides of the split movable doors (32).
6. The scrap recycling apparatus for a packing machine according to claim 1, wherein: the motor (5) is a three-phase asynchronous motor, and the adopted model is YS 6312.
7. The scrap recycling apparatus for a packing machine according to claim 1, wherein: the first cylinder (18) and the second cylinder (23) are both standard cylinders, and the types of the first cylinder (18) and the second cylinder (23) are SC100X 250.
CN201922476460.2U 2019-12-31 2019-12-31 Waste recovery device of packaging machine Active CN211636736U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922476460.2U CN211636736U (en) 2019-12-31 2019-12-31 Waste recovery device of packaging machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922476460.2U CN211636736U (en) 2019-12-31 2019-12-31 Waste recovery device of packaging machine

Publications (1)

Publication Number Publication Date
CN211636736U true CN211636736U (en) 2020-10-09

Family

ID=72702153

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922476460.2U Active CN211636736U (en) 2019-12-31 2019-12-31 Waste recovery device of packaging machine

Country Status (1)

Country Link
CN (1) CN211636736U (en)

Similar Documents

Publication Publication Date Title
CN210968045U (en) Digit control machine tool garbage collection device
CN108638385B (en) Environment-friendly plastics recycling processing breaker
CN211636736U (en) Waste recovery device of packaging machine
CN218486833U (en) Digital printing leftover bits recovery unit
CN215197180U (en) Motor crushing device for waste household appliances
CN215360039U (en) Waste recovery device for metal cutting
CN214296519U (en) Finished product filling equipment is used in aluminum alloy additive processing
CN213472312U (en) Biomass fuel briquetting and forming machine
CN212760697U (en) Forming die is used in production of aluminium veneer
CN107999232A (en) A kind of hardware processing waste material crushes retracting device
CN211755336U (en) Environment-friendly file rubbing crusher
CN218133999U (en) Leftover material collecting device for paper product processing
CN213618511U (en) Leftover material recovery device for hardware part machining
CN212636263U (en) Extrusion device for plastic recovery
CN212652463U (en) Hardware stamping die capable of recycling metal chips
CN209478708U (en) A kind of plastic recycling device using waste plastic processing tubing
CN217222930U (en) Waste treatment device for general surgery department
CN211591411U (en) Novel compression and collection device for waste paper products
CN215614031U (en) Production and processing is with garbage collection handles baling press
CN217375190U (en) Efficient hydraulic packing machine for waste steel treatment
CN220864491U (en) Plastic basket waste crushing and recycling device
CN215589698U (en) Waste recovery processing device is used in production of car plastic spare part mould
CN209934892U (en) Waste paper collection device for printing machine
CN220992299U (en) Garbage crusher with packaging function
CN217195695U (en) Shredding device is used in flexible container production with garbage collection function

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant