CN117656505A - Automatic production method of medical gloves - Google Patents
Automatic production method of medical gloves Download PDFInfo
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- CN117656505A CN117656505A CN202311777297.8A CN202311777297A CN117656505A CN 117656505 A CN117656505 A CN 117656505A CN 202311777297 A CN202311777297 A CN 202311777297A CN 117656505 A CN117656505 A CN 117656505A
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- cutting
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- woven fabric
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000005520 cutting process Methods 0.000 claims abstract description 109
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 54
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 89
- 239000000463 material Substances 0.000 claims description 57
- 239000004744 fabric Substances 0.000 claims description 41
- 239000002184 metal Substances 0.000 claims description 29
- 239000012943 hotmelt Substances 0.000 claims description 27
- 239000002699 waste material Substances 0.000 claims description 24
- 238000003466 welding Methods 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Treatment Of Fiber Materials (AREA)
Abstract
The invention relates to the technical field of non-woven fabric production, in particular to an automatic production method of medical gloves, which automatically detects whether a first non-woven fabric and a second non-woven fabric are not in the production process of a glove cutting device and whether a finished product box is full of finished gloves or not through a sensing system, so that a controller is utilized to control an alarm device to correspondingly operate with a manipulator according to a detection result, manual participation is not needed in the whole process, and full-automatic production of the medical gloves can be realized.
Description
Technical Field
The invention relates to the technical field of non-woven fabric production, in particular to an automatic production method of medical gloves.
Background
The non-woven fabric is also called non-woven fabric, needled cotton, needled non-woven fabric and the like, is produced by adopting polyester fiber and polyester fiber (PET for short) materials and is manufactured by needling technology, and can be made into different thicknesses, handfeel, hardness and the like.
The non-woven fabric has the characteristics of moisture resistance, ventilation, flexibility, light weight, flame retardance, no toxicity, no smell, low price, recycling and the like. Can be used in different industries such as sound insulation, heat insulation, electric heating sheets, masks, clothes, medical use, filling materials and the like.
The existing medical glove prepared by adopting the non-woven fabric is produced by adopting a medical glove cutting device, and the medical glove cutting device provided by the patent CN202122485482.2 is particularly used, but generally needs a worker to watch beside to prevent the situation that the non-woven fabric roll cannot be immediately fed or the situation that a forming assembly and a cutting assembly still work after the non-woven fabric roll is used to cause mechanical damage, so that automatic production cannot be completely realized.
Disclosure of Invention
The invention aims to provide an automatic production method of medical gloves, which solves the problem that the automatic production of the medical gloves cannot be completely realized in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows: an automatic production method of medical gloves is characterized in that: the glove cutting device comprises a sensing system, an alarm device, a system switch, a glove cutting device and a controller, wherein the sensing system, the alarm device, the system switch and the glove cutting device are all connected with the controller;
the glove cutting device comprises an alignment assembly, a forming assembly, a cutting assembly and a finished product box;
the sensing system comprises a first position sensor, a second position sensor and a third position sensor, wherein the first position sensor is arranged on the feeding side of a forming assembly of the glove cutting device, the second position sensor is arranged on the feeding side of a cutting assembly of the glove cutting device, and the third position sensor is arranged in a finished product box of the glove cutting device;
the method for automatically producing the medical glove by utilizing the structure comprises the following steps:
s1, electrifying: turning on a system switch to electrify;
s2, feeding: the first non-woven fabric roll and the second non-woven fabric roll are respectively arranged on the first unreeling roller and the second unreeling roller by using a mechanical arm; simultaneously detecting signals of the first position sensor and the second position sensor, if the first position sensor and the second position sensor both detect that the non-woven fabric exists, entering S3, otherwise entering S1;
s3, alignment: carrying out alignment pressing on the components of the first non-woven fabric on the first non-woven fabric roll and the second non-woven fabric on the second non-woven fabric roll to form double-layer fabric, simultaneously carrying out signal detection of a first position sensor and a second position sensor, sending out an alarm and closing an ultrasonic hot-melt welding machine if the first position sensor detects that the non-woven fabric is not present, entering into S5, sending out an alarm and closing the ultrasonic hot-melt welding machine and a cutting component if the second position sensor detects that the non-woven fabric is not present, and entering into S2;
s4, hot melt molding: conveying the double-layer cloth to a forming assembly, and continuously performing glove-shaped hot melt forming and hot melt forming on the long edge of the double-layer cloth by an ultrasonic hot melt welding machine;
s5, cutting and forming: conveying the double-layer cloth formed by hot melting to a cutting assembly for cutting finished gloves and waste material blocks;
s6, waste recovery: conveying the cut finished gloves and the waste blocks to a conveying belt, respectively compacting the middle part of the cut finished gloves in the double-layer cloth and the two sides of the length of the compacted finished gloves, and rolling and recovering the waste blocks through a rolling roller;
s7, collecting a finished product: s5, the remaining finished gloves fall into a finished product box from a conveyor belt to realize automatic collection, and meanwhile, a third position sensor signal detection is carried out, if the finished product box is detected to be full of finished gloves, an alarm is sent out, and meanwhile, whether continuous feeding is needed or not is judged, if yes, S2 is carried out, and otherwise S8 is carried out;
s8, ending.
Further, the alignment assembly is used for aligning and pressing the first non-woven fabric on the first non-woven fabric roll and the second non-woven fabric on the second non-woven fabric roll to form double-layer fabric.
Further, the forming assembly comprises an ultrasonic hot-melt welding machine which is arranged at the discharging side of the pressing assembly and is used for continuously carrying out glove-shaped hot-melt forming on the double-layer cloth and hot-melt forming at the edge of the long side of the double-layer cloth.
Further, the cutting assembly comprises a supporting roller and a cutting roller, wherein a first metal cutting strip and a second metal cutting strip which are connected are fixed on the cutting roller, the first metal cutting strip is enclosed into a closed cutting glove shape and is used for continuously cutting off the glove shape formed by hot melting on double-layer cloth, namely, a finished glove, the width of the finished glove is a, the outer side of the double-layer cloth, namely, a waste material area is arranged on the outer side of the finished glove, the second metal cutting strip is horizontally arranged at the middle part of the first metal cutting strip and is connected with the head end and the tail end of the first metal cutting strip, cutting grooves corresponding to the first metal cutting strip and the second metal cutting strip are formed in the supporting roller, double-layer cloth positioned between two adjacent finished gloves is continuously cut off on the waste material area through the cooperation of the cutting roller and the supporting roller, the waste material area is divided into two waste material blocks which are not connected with each other along the length direction, the distance between the two adjacent finished gloves and the length of the second metal cutting strip are both more than 2b.
Further, the glove cutting device further comprises a pressing component, wherein the pressing component is arranged near the input end of the conveyor belt and comprises a main pressing piece and an auxiliary pressing piece;
the main material pressing piece comprises a fixed material pressing roller, a movable material pressing roller and a plurality of material pressing belts used for connecting the fixed material pressing roller and the movable material pressing roller, the extending direction of the material pressing belts is consistent with that of the conveying belt, the fixed material pressing roller and the movable material pressing roller are mutually parallel, the distance between the fixed material pressing roller and the movable material pressing roller is c and is more than a+2b, the main material pressing piece is arranged above the conveying belt and is positioned above the finished glove, so that the fixed material pressing roller is positioned between the cutting assembly and the movable material pressing roller, and the middle part of the finished glove in the double-layer cloth after cutting is pressed by the material pressing belts;
the auxiliary pressing piece comprises an auxiliary pressing strip, the extending direction of the auxiliary pressing strip is consistent with that of the conveying belt, and the auxiliary pressing piece is symmetrically arranged on the conveying belt and located at two sides of the pressing belt and used for pressing the two sides of the length of the finished glove.
Further, in the production process, if the production of finished gloves of a plurality of finished product boxes is required, a counting device and a second manipulator are also required, the counting device is connected to the controller, when the finished product boxes are detected to be full of finished product gloves in S7, the counting device counts up by one, and meanwhile, the second manipulator is utilized to realize the moving of the finished product boxes full of finished product gloves and the placement of the next empty finished product boxes until the number of the finished product boxes full of finished product gloves reaches the target.
The invention has the advantages that:
(1) According to the invention, whether the first non-woven fabric and the second non-woven fabric are not present in the production process of the glove cutting device or not and whether the finished product box is full of finished gloves or not are automatically detected through the sensing system, so that the alarm device and the manipulator are controlled to perform corresponding operation according to the detection result by the reuse controller, manual participation is not needed in the whole process, and full-automatic production of medical gloves can be realized.
(2) In the production process of the invention, if the production of finished gloves of a plurality of finished product boxes is needed, a counting device and a second manipulator are also needed, the counting device is connected with the controller, when the finished product boxes are detected to be full of finished product gloves in S7, the counting device counts one more, and the second manipulator is used for realizing the moving of the finished product boxes full of finished product gloves and the placement of the next empty finished product boxes until the number of the finished product boxes full of finished product gloves reaches the target.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a flow chart of the present invention.
Description of the embodiments
The automatic production method of the medical glove shown in fig. 1 comprises a sensing system, an alarm device, a system switch, a glove cutting device and a controller, wherein the sensing system, the alarm device, the system switch and the glove cutting device are all connected with the controller;
the glove cutting device comprises a first unreeling roller and a second unreeling roller which are arranged up and down, a first non-woven fabric roll is arranged on the first unreeling roller, a second non-woven fabric roll is arranged on the second unreeling roller, space occupation is saved, and space utilization of the device is improved.
The alignment assembly comprises a first material pressing roller and a second material pressing roller which are tightly arranged up and down, wherein the first non-woven fabric on the first non-woven fabric roll and the second non-woven fabric on the second non-woven fabric roll are conveyed into the space between the first material pressing roller and the second material pressing roller for alignment and material pressing, and double-layer cloth is formed.
And the forming assembly comprises an ultrasonic hot-melt welding machine, is arranged at the discharging side of the pressing assembly and is used for continuously carrying out glove-shaped hot-melt forming on the double-layer cloth and hot-melt forming at the edge of the long side of the double-layer cloth.
And the cutting assembly comprises a supporting roller and a cutting roller, and the supporting roller is arranged below the cutting roller.
The cutting roller is fixedly provided with a first metal cutting strip and a second metal cutting strip which are connected.
The first metal cutting strip is enclosed into a closed cutting glove shape and is used for continuously cutting the glove shape formed by hot melting on the double-layer cloth completely, namely the finished glove is obtained, and the outer side of the double-layer cloth, namely the waste area, of the finished glove is obtained.
The second metal slitting level sets up at the middle part of first metal slitting and connects the head and the tail both ends at first metal slitting, has seted up the cutting recess corresponding with first metal slitting and second metal slitting on the backing roll, through cutting roll and backing roll cooperation continuous cutting waste material district on being located the double-deck cloth between two adjacent finished gloves for waste material district cuts into two waste material pieces of each other not connecting along length direction, and double-deck cloth cutting is accomplished.
The width of the finished glove is a, the distance between two adjacent finished gloves and the length of the second metal strip are b, and a=. B.
A limiting piece is arranged between the forming assembly and the cutting assembly and comprises a fixed limiting roller, a movable limiting roller, a connecting rod and a lifting rod.
Two sides close to the forming assembly are symmetrically provided with an inverted T-shaped fixing seat respectively, a fixed limit roller is arranged between the two inverted T-shaped fixing seats through a bearing, a movable limit roller is arranged between the fixed limit roller and the cutting assembly, and the movable limit roller is parallel to the fixed limit roller.
A connecting rod is fixed between the movable limiting roller and the fixed limiting roller, the lifting rod is vertically arranged, the lifting rod is arranged below the connecting rod, and a groove for accommodating the connecting rod is formed in the top of the lifting rod.
The level of the top surface of the movable limiting roller is higher than the height of the feeding hole of the cutting assembly, and the movable limiting roller is used for lifting the level of double-layer cloth fed into the cutting assembly, so that the cutting effect of the cutting assembly is guaranteed.
And the conveying belt is arranged at the discharging side of the cutting assembly and is used for conveying the double-layer cloth after the cutting assembly is used for cutting.
And the material pressing assembly is arranged at the input end close to the conveyor belt and comprises a main material pressing piece and an auxiliary material pressing piece.
The main material pressing piece comprises a fixed material pressing roller, a movable material pressing roller and a plurality of material pressing belts used for connecting the fixed material pressing roller and the movable material pressing roller.
The extending direction of the material pressing belt is consistent with that of the conveying belt, the fixed material pressing roller and the movable material pressing roller are arranged in parallel, the distance between the fixed material pressing roller and the movable material pressing roller is c, and c=a.
The movable material pressing roller is connected to a linear motor, and is driven by the linear motor to approach or separate from the fixed material pressing roller along the length direction of the conveyor belt.
The main material pressing piece is arranged above the finished glove on the transmission belt, so that the fixed material pressing roller is arranged between the cutting assembly and the movable material pressing roller, and the middle part of the finished glove in the double-layer cloth after cutting is pressed by the material pressing belt.
The auxiliary pressing piece comprises an auxiliary pressing strip, the extending direction of the auxiliary pressing strip is consistent with that of the conveying belt, and the auxiliary pressing piece is symmetrically arranged on the conveying belt and positioned at two sides of the pressing belt and used for pressing the two sides of the length of the finished glove.
The receiving assembly comprises a winding roller and a finished product box, wherein the finished product box is arranged at the output end of the conveying belt and used for collecting finished gloves, and the receiving roller is arranged above the pressing assembly and used for winding waste blocks.
A buffer layer is further arranged on the outer side of the cutting roller, which is positioned on the first metal cutting strip and the second metal cutting strip, so that the cutting accuracy is prevented from being influenced by curling of double-layer cloth in the cutting process.
The sensing system comprises a first position sensor, a second position sensor and a third position sensor, wherein the first position sensor is arranged on the feeding side of a forming assembly of the glove cutting device, the second position sensor is arranged on the feeding side of a cutting assembly of the glove cutting device, and the third position sensor is arranged in a finished product box of the glove cutting device;
the method for automatically producing the medical glove by utilizing the structure comprises the following steps:
s1, electrifying: turning on a system switch to electrify;
s2, feeding: the first non-woven fabric roll and the second non-woven fabric roll are respectively arranged on the first unreeling roller and the second unreeling roller by using a mechanical arm; simultaneously detecting signals of the first position sensor and the second position sensor, if the first position sensor and the second position sensor both detect that the non-woven fabric exists, entering S3, otherwise, giving an alarm;
s3, alignment: carrying out alignment pressing on the components of the first non-woven fabric on the first non-woven fabric roll and the second non-woven fabric on the second non-woven fabric roll to form double-layer fabric, simultaneously carrying out signal detection of a first position sensor and a second position sensor, sending out an alarm and closing an ultrasonic hot-melt welding machine if the first position sensor detects that the non-woven fabric is not present, entering into S5, sending out an alarm and closing the ultrasonic hot-melt welding machine and a cutting component if the second position sensor detects that the non-woven fabric is not present, and entering into S2;
s4, hot melt molding: conveying the double-layer cloth to a forming assembly, and continuously performing glove-shaped hot melt forming and hot melt forming on the long edge of the double-layer cloth by an ultrasonic hot melt welding machine;
s5, cutting and forming: conveying the double-layer cloth formed by hot melting to a cutting assembly for cutting finished gloves and waste material blocks;
s6, waste recovery: conveying the cut finished gloves and the waste blocks to a conveying belt, respectively compacting the middle part of the cut finished gloves in the double-layer cloth and the two sides of the length of the compacted finished gloves, and rolling and recovering the waste blocks through a rolling roller;
s7, collecting a finished product: s5, the remaining finished gloves fall into a finished product box from a conveyor belt to realize automatic collection, and meanwhile, a third position sensor signal detection is carried out, if the finished product box is detected to be full of finished gloves, an alarm is sent out, and meanwhile, whether continuous feeding is needed or not is judged, if yes, S2 is carried out, and otherwise S8 is carried out;
s8, ending.
In the production process, if the production of finished gloves of a plurality of finished product boxes is needed, a counting device and a second manipulator are also needed, the counting device is connected into the controller, when the finished product boxes are detected to be full of finished product gloves in S7, one is added to the counting device, and meanwhile, the second manipulator is used for realizing the removal of the finished product boxes filled with the finished product gloves and the placement of the next empty finished product boxes until the number of the finished product boxes filled with the finished product gloves reaches the target.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An automatic production method of medical gloves is characterized in that: the glove cutting device comprises a sensing system, an alarm device, a system switch, a glove cutting device and a controller, wherein the sensing system, the alarm device, the system switch and the glove cutting device are all connected with the controller;
the glove cutting device comprises an alignment assembly, a forming assembly, a cutting assembly and a finished product box;
the sensing system comprises a first position sensor, a second position sensor and a third position sensor, wherein the first position sensor is arranged on the feeding side of a forming assembly of the glove cutting device, the second position sensor is arranged on the feeding side of a cutting assembly of the glove cutting device, and the third position sensor is arranged in a finished product box of the glove cutting device;
the method for automatically producing the medical glove by utilizing the structure comprises the following steps:
s1, electrifying: turning on a system switch to electrify;
s2, feeding: the first non-woven fabric roll and the second non-woven fabric roll are respectively arranged on the first unreeling roller and the second unreeling roller by using a mechanical arm; simultaneously detecting signals of the first position sensor and the second position sensor, if the first position sensor and the second position sensor both detect that the non-woven fabric exists, entering S3, otherwise entering S1;
s3, alignment: carrying out alignment pressing on the components of the first non-woven fabric on the first non-woven fabric roll and the second non-woven fabric on the second non-woven fabric roll to form double-layer fabric, simultaneously carrying out signal detection of a first position sensor and a second position sensor, sending out an alarm and closing an ultrasonic hot-melt welding machine if the first position sensor detects that the non-woven fabric is not present, entering into S5, sending out an alarm and closing the ultrasonic hot-melt welding machine and a cutting component if the second position sensor detects that the non-woven fabric is not present, and entering into S2;
s4, hot melt molding: conveying the double-layer cloth to a forming assembly, and continuously performing glove-shaped hot melt forming and hot melt forming on the long edge of the double-layer cloth by an ultrasonic hot melt welding machine;
s5, cutting and forming: conveying the double-layer cloth formed by hot melting to a cutting assembly for cutting finished gloves and waste material blocks;
s6, waste recovery: conveying the cut finished gloves and the waste blocks to a conveying belt, respectively compacting the middle part of the cut finished gloves in the double-layer cloth and the two sides of the length of the compacted finished gloves, and rolling and recovering the waste blocks through a rolling roller;
s7, collecting a finished product: s5, the remaining finished gloves fall into a finished product box from a conveyor belt to realize automatic collection, and meanwhile, a third position sensor signal detection is carried out, if the finished product box is detected to be full of finished gloves, an alarm is sent out, and meanwhile, whether continuous feeding is needed or not is judged, if yes, S2 is carried out, and otherwise S8 is carried out;
s8, ending.
2. An automated method of producing medical gloves as claimed in claim 1 wherein: the alignment assembly is used for aligning and pressing the first non-woven fabric on the first non-woven fabric roll and the second non-woven fabric on the second non-woven fabric roll to form double-layer fabric.
3. An automated method of producing medical gloves as claimed in claim 1 wherein: the forming assembly comprises an ultrasonic hot-melt welding machine, is arranged on the discharging side of the pressing assembly and is used for continuously carrying out glove-shaped hot-melt forming on the double-layer cloth and hot-melt forming on the long edge of the double-layer cloth.
4. An automated method of producing medical gloves as claimed in claim 1 wherein: the cutting assembly comprises a supporting roller and a cutting roller, wherein a first metal cutting strip and a second metal cutting strip which are connected are fixed on the cutting roller, the first metal cutting strip is enclosed into a closed cutting glove shape and is used for continuously cutting off the glove shape formed by hot melting on double-layer cloth, namely, the finished glove is formed by cutting off the double-layer cloth, the width of the finished glove is a, the outer side of the double-layer cloth, namely, the outer side of the finished glove is a waste area, the second metal cutting strip is horizontally arranged at the middle part of the first metal cutting strip and is connected with the head end and the tail end of the first metal cutting strip, cutting grooves corresponding to the first metal cutting strip and the second metal cutting strip are formed in the supporting roller, the double-layer cloth, which is positioned between two adjacent finished gloves, is continuously cut off the waste area along the length direction, is divided into two waste blocks which are not connected with each other, the distance between the two adjacent finished gloves and the length of the second metal cutting strip are b, and a is more than 2b.
5. An automated method of producing medical gloves according to claim 4, wherein: the glove cutting device also comprises a pressing component which is arranged near the input end of the conveyor belt and comprises a main pressing piece and an auxiliary pressing piece;
the main material pressing piece comprises a fixed material pressing roller, a movable material pressing roller and a plurality of material pressing belts used for connecting the fixed material pressing roller and the movable material pressing roller, the extending direction of the material pressing belts is consistent with that of the conveying belt, the fixed material pressing roller and the movable material pressing roller are mutually parallel, the distance between the fixed material pressing roller and the movable material pressing roller is c and is more than a+2b, the main material pressing piece is arranged above the conveying belt and is positioned above the finished glove, so that the fixed material pressing roller is positioned between the cutting assembly and the movable material pressing roller, and the middle part of the finished glove in the double-layer cloth after cutting is pressed by the material pressing belts;
the auxiliary pressing piece comprises an auxiliary pressing strip, the extending direction of the auxiliary pressing strip is consistent with that of the conveying belt, and the auxiliary pressing piece is symmetrically arranged on the conveying belt and located at two sides of the pressing belt and used for pressing the two sides of the length of the finished glove.
6. An automated method of producing medical gloves as claimed in claim 1 wherein: in the production process, if the production of finished gloves of a plurality of finished product boxes is needed, a counting device and a second manipulator are needed, the counting device is connected to the controller, when the finished product boxes are detected to be full of finished product gloves in S7, the counting device counts one more, and meanwhile, the second manipulator is used for realizing the moving of the finished product boxes full of finished product gloves and the placement of the next empty finished product boxes until the number of the finished product boxes full of finished product gloves reaches the target.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311777297.8A CN117656505A (en) | 2023-12-22 | 2023-12-22 | Automatic production method of medical gloves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311777297.8A CN117656505A (en) | 2023-12-22 | 2023-12-22 | Automatic production method of medical gloves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117656505A true CN117656505A (en) | 2024-03-08 |
Family
ID=90075115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311777297.8A Pending CN117656505A (en) | 2023-12-22 | 2023-12-22 | Automatic production method of medical gloves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117656505A (en) |
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2023
- 2023-12-22 CN CN202311777297.8A patent/CN117656505A/en active Pending
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