CN219805543U - Feeding mechanism and cutting machine - Google Patents

Feeding mechanism and cutting machine Download PDF

Info

Publication number
CN219805543U
CN219805543U CN202321169697.6U CN202321169697U CN219805543U CN 219805543 U CN219805543 U CN 219805543U CN 202321169697 U CN202321169697 U CN 202321169697U CN 219805543 U CN219805543 U CN 219805543U
Authority
CN
China
Prior art keywords
feeding
motor
feeding mechanism
cylinder
connecting rod
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
CN202321169697.6U
Other languages
Chinese (zh)
Inventor
张英伟
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.)
Guangzhou Huawei Rubber And Plastic Products Co ltd
Original Assignee
Guangzhou Huawei Rubber And Plastic Products 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 Guangzhou Huawei Rubber And Plastic Products Co ltd filed Critical Guangzhou Huawei Rubber And Plastic Products Co ltd
Priority to CN202321169697.6U priority Critical patent/CN219805543U/en
Application granted granted Critical
Publication of CN219805543U publication Critical patent/CN219805543U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Crushing And Pulverization Processes (AREA)

Abstract

The utility model provides a feeding mechanism and a cutting machine, which comprise a mounting box body and a feeding box, wherein a closed door plate for discharging is arranged on one side of the surface of the mounting box body, a control panel for controlling electric equipment is arranged on the other side of the surface of the mounting box body, a first motor is symmetrically arranged at one end of the surface of the mounting box body, and the output end of the first motor is connected with a conveying belt through a rotating shaft. In the process of feeding, firstly, the material on the feeding shaft is connected with the driving mechanism, and the limiting pin on the connecting rod slides in a small range in the limiting groove during connection, so that the limiting pin can drive the connecting rod to stretch inwards, the connecting rod is convenient to insert and fix after loosening on the inserting groove and the inserting pin which are respectively inserted into the inserting piece and the outer inserting groove on the connecting cylinder fixedly installed with the motor, the placing in the feeding process and the replacement and the disassembly in the later period are convenient, and the safety in the feeding process is improved.

Description

Feeding mechanism and cutting machine
Technical Field
The utility model relates to the technical field of cutting machines, in particular to a feeding mechanism and a cutting machine.
Background
For example: chinese utility model patent: CN218255311U discloses a rubber plate cutting machine, which prevents the slide block from shifting when moving, thereby affecting the cutting precision of the rubber plate.
The above patent requires movement of the material when cutting, and there is no mechanism for feeding in the above document to make it possible to automatically feed and replace the structure of the feeding mechanism, if manual movement is adopted for feeding and movement, the problem of a certain unsafe factor is easily caused.
Therefore, we make improvements to this, and propose a feeding mechanism and a cutting machine.
Disclosure of Invention
The utility model aims at: there is no mechanism for feeding so that the feeding mechanism can automatically feed and replace the feeding mechanism, and if the feeding mechanism is manually moved, the feeding mechanism is easy to carry out feeding and movement, so that a certain unsafe factor is easily caused.
In order to achieve the above object, the present utility model provides the following technical solutions:
feeding mechanism and guillootine to improve above-mentioned problem.
The utility model is specifically as follows:
the utility model provides a pan feeding mechanism, includes installation box, pan feeding case, the closed door plant that is used for the ejection of compact has been seted up to one side of installation box surface, the opposite side of installation box surface is equipped with the control panel that is used for controlling the consumer, the one end symmetry on installation box surface is equipped with motor one, the output of motor one has the conveyer belt through rotation axis connection, pan feeding mechanism is installed to the surface one end of pan feeding case, feed mechanism is including motor three and the restriction piece of setting at motor three output, the plug connector of setting in restriction piece one end, the one end of plug connector is equipped with the blowing axle.
In the process of feeding, firstly, the material on the feeding shaft is connected with the driving mechanism, and the limiting pin on the connecting rod slides in a small range in the limiting groove during connection, so that the limiting pin can drive the connecting rod to stretch inwards, the connecting rod is convenient to insert and fix after loosening on the inserting groove and the inserting pin which are respectively inserted into the inserting piece and the outer inserting groove on the connecting cylinder fixedly installed with the motor, the placing in the feeding process and the replacement and the disassembly in the later period are convenient, and the safety in the feeding process is improved.
As a preferred implementation mode of the feeding mechanism provided by the utility model, the limiting piece comprises a connecting cylinder, a plug-in piece is arranged in the connecting cylinder, and an outer slot is formed in the surface of the inner wall of the connecting cylinder.
The device is convenient to be inserted into the inside, the central axial force in the driving process is reduced, and the central force is lost in the driving process to damage the periphery too much force.
As a preferred implementation mode of the feeding mechanism provided by the utility model, the plug connector comprises a connecting rod, one end of the connecting rod is provided with a plug groove, one end of the surface of the connecting rod is provided with a plug pin, and the other end of the connecting rod is provided with a limiting pin.
The efficiency and the speed of being convenient for jack-in-process flexible and change in-process take out increase the convenience, make the in-process that drives simultaneously and carry out balanced distribution to the dynamics that its produced.
As a preferred implementation mode of the feeding mechanism provided by the utility model, the interiors of the two ends of the feeding shaft are provided with built-in holes, springs are arranged in the built-in holes, and limiting grooves are formed in the inner walls of the built-in holes.
Limiting the extension of the connecting rod and limiting the range of movement, and facilitating connection and extension.
As a preferred implementation mode of the feeding mechanism provided by the utility model, two pairs of motors II are arranged at the bottom side of one end of the feeding box, and guide rollers are arranged at the output ends of the motors II.
As a preferred implementation mode of the feeding mechanism provided by the utility model, a reference plate is arranged on the top side of the inside of the feeding box, and one end of the reference plate penetrates through the feeding box and is connected with a lock nut.
As a preferred implementation mode of the feeding mechanism provided by the utility model, the two sides of the installation box body are provided with the inner groove plates, the outer surfaces of the inner groove plates are provided with the second air cylinder, the output end of the second air cylinder is connected with the sliding plate, the surface of the sliding plate is provided with the fourth motor, the output end of the fourth motor is connected with the connecting shaft, the surface of the connecting shaft is provided with the regulating plate, and the inner wall of the regulating plate is provided with the flattening roller.
As a preferred embodiment of the feeding mechanism provided by the utility model, a first cylinder is arranged on the surface of one end of the mounting box body, and a cutter is arranged at the output end of the first cylinder.
The utility model provides a cutting machine, electronic slide rail one is installed to the both ends face of installation box, electronic slide rail one's inside is equipped with through the slider and removes the frame, electronic slide rail two is installed to the top side of removing the frame, electronic slide rail two's inside is equipped with cylinder three through the slider slip, electronic slide rail two's output is equipped with laser cutting machine.
In a preferred embodiment of the cutting machine provided by the utility model, a motor is mounted on the front side surface of the movable frame, and a pressing plate is arranged at the output end of the motor.
Compared with the prior art, the utility model has the beneficial effects that:
in the scheme of the utility model:
in the process of feeding, firstly, the material on the feeding shaft is connected with the driving mechanism, and the limiting pin on the connecting rod slides in a small range in the limiting groove during connection, so that the limiting pin can drive the connecting rod to stretch inwards, the connecting rod is convenient to insert and fix after loosening on the inserting groove and the inserting pin which are respectively inserted into the inserting piece and the outer inserting groove on the connecting cylinder fixedly installed with the motor, the placing in the feeding process and the replacement and the disassembly in the later period are convenient, and the safety in the feeding process is improved.
Drawings
FIG. 1 is a schematic structural view of a feeding mechanism and a cutting machine provided by the utility model;
fig. 2 is a schematic structural view of an LED of the feeding mechanism and the cutter provided by the present utility model;
FIG. 3 is a schematic view of the structure of the feeding mechanism and the contacts of the cutting machine provided by the utility model;
FIG. 4 is a schematic structural view of a feeding mechanism and a connecting mechanism of a cutting machine provided by the utility model;
FIG. 5 is a schematic diagram of the feeding mechanism and the empty avoiding groove of the cutting machine;
fig. 6 is a schematic structural diagram of a feeding mechanism and a groove of a cutting machine provided by the utility model.
The figures indicate:
1. installing a box body; 11. a control panel; 12. a feed inlet; 13. closing the door panel; 14. a conveyor belt; 15. a first cylinder; 1501. a cutter; 16. a first motor; 2. feeding into a feed box; 21. a second motor; 22. a lock nut; 23. a referencing plate; 24. a discharging shaft; 2401. a connecting rod; 2402. a built-in hole; 2403. a spring; 2404. a limiting groove; 2405. a limiting pin; 2406. a plug pin; 2407. a plug-in groove; 2408. a connecting cylinder; 2409. a plug-in component; 2410. an outer slot; 25. a guide roller; 26. a third motor; 3. an inner trough plate; 31. a second cylinder; 32. a sliding plate; 33. an adjusting plate; 34. a flattening roller; 35. a connecting shaft; 36. a fourth motor; 4. a moving rack; 41. an electric slide rail I; 42. an electric sliding rail II; 43. a third cylinder; 44. a laser cutting machine; 45. a motor; 46. pressing the plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model.
Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model, as claimed, but is merely representative of some embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, the terms "upper", "lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, or an azimuth or a positional relationship conventionally understood by those skilled in the art, such terms are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
As described in the background art, there is no structure for feeding mechanism so that it can automatically feed and replace the feeding mechanism, and if feeding and moving are performed by manual movement, there is a problem that a certain unsafe factor is easily caused.
In order to solve the technical problem, the utility model provides a feeding mechanism and a cutting machine.
Specifically, please refer to fig. 1-6, the feeding mechanism specifically includes a mounting box 1, a feeding box 2, a closed door plate 13 for discharging is provided on one side of the surface of the mounting box 1, a control panel 11 for controlling electric equipment is provided on the other side of the surface of the mounting box 1, a motor one 16 is symmetrically provided at one end of the surface of the mounting box 1, an output end of the motor one 16 is connected with a conveyor belt 14 through a rotating shaft, a feeding mechanism is provided at one end of the surface of the feeding box 2, the feeding mechanism includes a motor three 26, a limiting piece provided at the output end of the motor three 26, a plug piece provided at one end of the limiting piece, and a discharging shaft 24 is provided at one end of the plug piece.
In the process of feeding, firstly, the material on the feeding shaft 24 is connected with the driving mechanism, and the limiting pin 2405 on the connecting rod 2401 slides in the limiting groove 2404 in a small range during connection, so that the limiting pin can drive the connecting rod 2401 to stretch inwards, the inserting groove 2407 and the inserting pin 2406 are convenient to extend into the inserting piece 2409 and the outer inserting groove 2410 on the connecting cylinder 2408 fixedly installed with the motor three 26 respectively after loosening, the placing in the feeding process and the later replacement and disassembly are convenient, and the safety in the feeding process is improved.
In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Example 1
Referring to fig. 1-6, the feeding mechanism comprises a mounting box body 1 and a feeding box 2, wherein a closed door plate 13 for discharging is arranged on one side of the surface of the mounting box body 1, a control panel 11 for controlling electric equipment is arranged on the other side of the surface of the mounting box body 1, a motor 16 is symmetrically arranged at one end of the surface of the mounting box body 1, the output end of the motor 16 is connected with a conveying belt 14 through a rotating shaft, the feeding mechanism is arranged at one end of the surface of the feeding box 2 and comprises a motor three 26, a limiting piece arranged at the output end of the motor three 26 and a plug-in piece arranged at one end of the limiting piece, and a discharging shaft 24 is arranged at one end of the plug-in piece.
The existing feeding mechanism is used for cutting transport materials through a conveying mechanism, the materials placed on the rotating roller are required to be placed into the conveying mechanism to be connected and fixed after feeding, continuous operation cutting can be carried out in the later cutting process, the rotating roller is connected with the conveying mechanism to be fixedly connected with the rotating roller in order to keep the fixation in the rotating process, the connecting mode is mainly used for connecting and fixing the threaded ring and the fixing pin, the time waste of the connecting mode is troublesome in the disassembling process, and people are not easy to replace the rotating roller rapidly.
In the process of feeding, firstly, the material on the feeding shaft 24 is connected with the driving mechanism, and the limiting pin 2405 on the connecting rod 2401 slides in the limiting groove 2404 in a small range during connection, so that the limiting pin can drive the connecting rod 2401 to stretch inwards, and the inserting groove 2407 and the inserting pin 2406 can be conveniently inserted into the inserting piece 2409 and the outer inserting groove 2410 on the connecting cylinder 2408 fixedly installed with the motor three 26 respectively after loosening.
Make it be convenient for place and later stage change dismantlement in the pan feeding in-process, increase the security of pan feeding in-process.
Example 2
The inner groove plates 3 are arranged on two sides of the mounting box body 1, the outer surface of the inner groove plates 3 is provided with the second air cylinder 31, the output end of the second air cylinder 31 is connected with the sliding plate 32, the surface of the sliding plate 32 is provided with the fourth motor 36, the output end of the fourth motor 36 is connected with the connecting shaft 35, the surface of the connecting shaft 35 is provided with the adjusting plate 33, and the inner wall of the adjusting plate 33 is provided with the flattening roller 34. The second cylinder 31 drives the sliding plate 32 to move up and down in the inner groove plate 3, and then the fourth motor 36 on the sliding plate 32 drives the connecting shaft 35 to rotate so as to enable the adjusting plate 33 to rotate in angle, and when the plastic is fed, the flattening roller 34 is enabled to flatten the fed plastic, and the flattening roller 34 rotates on the inner wall of the adjusting plate 33.
The angle and the height are convenient to adjust according to the requirement, so that the cutting machine can be adjusted along with the external environment, and the flatness in the feeding process is improved, so that the cutting is more convenient.
Example 3
The top side of the inside of the feed box 2 is provided with a reference plate 23, and one end of the reference plate 23 penetrates through the feed box 2 and is connected with a lock nut 22. The rubber material on the discharging shaft 24 can be discharged without rotating the reference plate 23, and then the screw connection is carried out through the lock nut 22, so that the lock nut 22 contacts with the surface of the feeding box 2 to fasten the angle of the reference plate 23, and the rubber material can be put on the surface of the reference plate 23 to be guided to the guide roller 25 for discharging and feeding to the cutting mechanism.
The rubber material is fixed by rotating the rubber material to the surface of the rubber material, so that the problem of loosening and jumping due to the problem of the property of the material can not occur, and the material adding mode is added.
The working principle is that when rubber materials on the discharging shaft 24 are not rotated to be output, the reference plate 23 can be rotated and then screwed through the lock nut 22, so that the lock nut 22 contacts with the surface of the feeding box 2 to fasten the angle of the reference plate 23, the rubber materials can be put on the surface of the reference plate 23 to be guided to the guide roller 25 to be output and fed to the cutting mechanism, when the rubber materials need to be fed through the discharging shaft 24, the materials on the discharging shaft 24 are firstly connected with the driving mechanism, the limiting pin 2405 on the connecting rod 2401 slides in the limiting groove 2404 in a small range during connection, the connecting rod 2401 can be driven to retract inwards, so that after the connecting rod 2407 and the inserting pin 2406 are loosened, the inserting piece 2409 and the external inserting groove 2410 on the connecting cylinder 2408 fixedly installed with the motor three 26 can be inserted and fixed respectively, the third motor 26 drives the discharging shaft 24 to rotate, the second motor 21 drives the guide roller 25 to guide and output the discharged material to the conveyor belt 14, the first motor 16 drives the conveyor belt 14 to rotate so as to move the leveling roller 34, the second cylinder 31 drives the sliding plate 32 to move up and down in the inner groove plate 3, the fourth motor 36 on the sliding plate 32 drives the connecting shaft 35 to rotate so as to enable the adjusting plate 33 to rotate an angle, the leveling roller 34 flattens the plastic material fed during feeding, the leveling roller 34 rotates on the inner wall of the adjusting plate 33 and then moves to the bottom side of the laser cutter 44, the motor 45 drives the pressing plate 46 to rotationally press and fix the rubber material, the first electric sliding rail 41 drives the moving frame 4 to move back and forth, the second electric sliding rail 42 drives the left and right cylinders 43 to move, the laser cutter 44 cuts the rubber material, the motor 45 rotates upwards to release the pressing plate 46 so as to enable the rubber material to enter the mounting box 1, the closing door 13 is opened to take out the waste materials and the cut rubber, and the first cylinder 15 arranged at one end of the box body 1 can drive the cutter 1501 to move downwards to form sections or strips to cut the rubber.
The above embodiments are only for illustrating the present utility model and not for limiting the technical solutions described in the present utility model, and although the present utility model has been described in detail in the present specification with reference to the above embodiments, the present utility model is not limited to the above specific embodiments, and thus any modifications or equivalent substitutions are made to the present utility model; all technical solutions and modifications thereof that do not depart from the spirit and scope of the utility model are intended to be included in the scope of the appended claims.

Claims (10)

1. The utility model provides a pan feeding mechanism, its characterized in that, including installation box (1), pan feeding case (2), closed door plant (13) that are used for the ejection of compact have been seted up to one side on installation box (1) surface, the opposite side on installation box (1) surface is equipped with control panel (11) that are used for controlling the consumer, the one end symmetry on installation box (1) surface is equipped with motor one (16), the output of motor one (16) has conveyer belt (14) through rotation axis connection, feed mechanism is installed to the surface one end of pan feeding case (2), feed mechanism is including motor three (26) and the restriction piece of setting at motor three (26) output, the plug connector of setting in restriction piece one end, the one end of plug connector is equipped with blowing axle (24).
2. The feeding mechanism of claim 1, wherein the limiting piece comprises a connecting cylinder (2408), a plug-in piece (2409) is installed in the connecting cylinder (2408), and an outer slot (2410) is formed in the surface of the inner wall of the connecting cylinder (2408).
3. The feeding mechanism according to claim 2, wherein the plug connector comprises a connecting rod (2401), a plug groove (2407) is formed in one end of the connecting rod (2401), a plug pin (2406) is arranged at one end of the surface of the connecting rod (2401), and a limiting pin (2405) is arranged at the other end of the connecting rod (2401).
4. A feeding mechanism according to claim 3, wherein the interiors of the two ends of the feeding shaft (24) are provided with built-in holes (2402), springs (2403) are arranged in the built-in holes (2402), and limiting grooves (2404) are formed in the inner walls of the built-in holes (2402).
5. The feeding mechanism according to claim 4, wherein two pairs of motors (21) are arranged on the bottom side of one end of the feeding box (2), and guide rollers (25) are arranged at the output ends of the motors (21).
6. Feeding mechanism according to claim 5, characterized in that the top side of the interior of the feeding box (2) is provided with a reference plate (23), and one end of the reference plate (23) penetrates through the feeding box (2) to be connected with a lock nut (22).
7. The feeding mechanism according to claim 6, wherein the inner groove plates (3) are installed on two sides of the installation box body (1), the outer surface of the inner groove plates (3) is provided with a second cylinder (31), the output end of the second cylinder (31) is connected with a sliding plate (32), the surface of the sliding plate (32) is provided with a fourth motor (36), the output end of the fourth motor (36) is connected with a connecting shaft (35), the surface of the connecting shaft (35) is provided with an adjusting plate (33), and the inner wall of the adjusting plate (33) is provided with a flattening roller (34).
8. The feeding mechanism according to claim 7, wherein a first cylinder (15) is mounted on the surface of one end of the mounting box body (1), and a cutter (1501) is arranged at the output end of the first cylinder (15).
9. The cutting machine is characterized by comprising the feeding mechanism of any one of claims 1-8, wherein an electric first sliding rail (41) is installed on two end faces of the installation box body (1), a movable frame (4) is arranged in the electric first sliding rail (41) through a sliding block, an electric second sliding rail (42) is installed on the top side of the movable frame (4), an air cylinder III (43) is arranged in the electric second sliding rail (42) through sliding of the sliding block, and a laser cutting machine (44) is arranged at the output end of the electric second sliding rail (42).
10. The cutting machine according to claim 9, wherein the front side of the moving frame (4) is provided with a motor (45), and the output end of the motor (45) is provided with a pressing plate (46).
CN202321169697.6U 2023-05-16 2023-05-16 Feeding mechanism and cutting machine Active CN219805543U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321169697.6U CN219805543U (en) 2023-05-16 2023-05-16 Feeding mechanism and cutting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321169697.6U CN219805543U (en) 2023-05-16 2023-05-16 Feeding mechanism and cutting machine

Publications (1)

Publication Number Publication Date
CN219805543U true CN219805543U (en) 2023-10-10

Family

ID=88216199

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321169697.6U Active CN219805543U (en) 2023-05-16 2023-05-16 Feeding mechanism and cutting machine

Country Status (1)

Country Link
CN (1) CN219805543U (en)

Similar Documents

Publication Publication Date Title
CN212096501U (en) Soap cutting machine with adjustable
CN207873238U (en) A kind of steel plate conveying stock-cutter
CN219805543U (en) Feeding mechanism and cutting machine
CN216425686U (en) Adjustable mechanized feeding equipment
CN215395614U (en) Rubber lining circular hole processing device
CN111482464A (en) Press forming device of lightweight container sideboard
CN106217145A (en) A kind of cutter grinding machine
CN112454991A (en) High-precision indentation device for processing packaging box
CN218139448U (en) Discharging limiting device of foam material forming machine
CN113814779B (en) Box-type automatic feeding mechanism of numerical control machine tool
CN205915118U (en) Art designer's sword grinding machine
CN213106020U (en) Curtain wall glass edge grinding device
CN212264217U (en) Automatic shaping device for metal corrugated pipe
CN211588730U (en) Numerical control automatic fixed-length feeding plate shearing machine
CN208962092U (en) A kind of board cutter device
CN109014948B (en) Automatic multi-station precision machining device
CN108381612B (en) Bidirectional automatic sliding cutting device
CN208592435U (en) Numerical control angular milling machine
CN103350523B (en) Plastic lifting handle conveying device of full-automatic carton lifting handle eyeleting machine
CN113001610A (en) Paper printing is with high efficiency printing cutting device that can tailor in batches fast
CN114211817B (en) Automatic cross cutting equipment of environmental protection type packing box
CN220408887U (en) PE pipe fitting processing apparatus for producing
CN211055517U (en) Indentation mechanism of vertical packaging machine
CN220995431U (en) Die carrier regulating mechanism of film blowing machine
CN216299785U (en) Powder coating crocus pretreatment device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant