CN211521141U - Pressure-sensitive adhesive paper die-cutting machine - Google Patents

Pressure-sensitive adhesive paper die-cutting machine Download PDF

Info

Publication number
CN211521141U
CN211521141U CN201922148532.0U CN201922148532U CN211521141U CN 211521141 U CN211521141 U CN 211521141U CN 201922148532 U CN201922148532 U CN 201922148532U CN 211521141 U CN211521141 U CN 211521141U
Authority
CN
China
Prior art keywords
die
cutting
die cutting
welded
machine body
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
CN201922148532.0U
Other languages
Chinese (zh)
Inventor
赵振锋
李志斌
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.)
Henan Weihua Packaging Co ltd
Original Assignee
Henan Weihua Packaging 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 Henan Weihua Packaging Co ltd filed Critical Henan Weihua Packaging Co ltd
Priority to CN201922148532.0U priority Critical patent/CN211521141U/en
Application granted granted Critical
Publication of CN211521141U publication Critical patent/CN211521141U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

The utility model discloses a non-setting adhesive paper die-cutting machine, which comprises a bod, there is the cross cutting case one side at organism top through bolted connection, there is the cylinder at the top of cross cutting case through bolted connection, the tip of the output of cylinder runs through the cross cutting case, the tip welding of the output of cylinder has the die cutting board, and the bottom of die cutting board all is provided with the die-cutting rule, the both sides welding of die cutting board has adapter sleeve, the both sides of the inside of cross cutting case are all seted up flutedly, and the inside welding of recess has the spliced pole, the adapter sleeve cover is established in the outside of spliced pole, the bottom cover of spliced pole is equipped with compression. The utility model discloses a connecting sleeve and compression spring that set up, the connecting sleeve of die cutting board both sides reciprocates in the outside of spliced pole, and connecting sleeve's bottom is pressed and is cushioned in compression spring's upper end, and the not hard up of the inside component of cross cutting case when preventing to push down, the more firm cross cutting that carries on is processed, increases die-cutting rule undercut accuracy.

Description

Pressure-sensitive adhesive paper die-cutting machine
Technical Field
The utility model relates to a non-setting adhesive paper equipment technical field especially relates to non-setting adhesive paper die cutting machine.
Background
The die cutting machine is called a beer machine, a cutting machine and a numerical control punching machine, is mainly used for die cutting (full break and half break), indentation and gold stamping operation, fitting and automatic waste discharge of corresponding nonmetal materials, non-setting adhesive, EVA, double-sided adhesive, electronics, mobile phone rubber mats and the like, and utilizes a steel knife, a hardware die and a steel wire (or a template carved by a steel plate) to apply certain pressure through a stamping plate to roll and cut a printed product or a paperboard into a certain shape. The die cutting technology is the most commonly used technology for packaging printed matters, namely, the forming technology for rolling and cutting the printed matters or other ring-packed blanks into required shapes or cutting marks by combining die cutting cutters into die cutting plates according to patterns required by product design and under the action of pressure.
The in-process that current no-dry adhesive paper cross cutting machine was using, the non-setting adhesive paper of treating processing is not level and smooth enough, is unfavorable for not dry adhesive paper to carry out the cross cutting, and the not hard up of the inside component of cross cutting incasement portion when pushing down when carrying out the cross cutting, the accuracy of cross cutting under the die cutting cutter reduces, and the template need clear up after long-time the use, but the template removes easily, and the cross cutting effect is not good, consequently, needs to design non-setting adhesive paper cross cutting machine to solve above-mentioned problem urgently.
Disclosure of Invention
The utility model aims at solving the in-process that the adhesive sticker die-cutting machine that exists among the prior art is using, the adhesive sticker of treating processing is not level and smooth enough, is unfavorable for the adhesive sticker to carry out the cross cutting, and the not hard up of the component of cross cutting incasement portion when pushing down when carrying out the cross cutting, and the accuracy of die-cutting machine undercut reduces, and the template need clear up after long-time the use, but the template removes easily, the not good shortcoming of cross cutting effect, and the adhesive sticker die-cutting machine that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme: non-setting adhesive paper die-cutting machine, which comprises a bod, there is the cross cutting case one side at organism top through bolted connection, there is the cylinder at the top of cross cutting case through bolted connection, the tip of the output of cylinder runs through the cross cutting case, the tip welding of the output of cylinder has the die cutting board, and the bottom of die cutting board all is provided with the die-cutting rule, the both sides welding of die cutting board has adapter sleeve, the recess has all been seted up to the both sides of the inside of cross cutting case, and the inside welding of recess has the spliced pole, the adapter sleeve cover is established in the outside of spliced pole, the bottom cover of spliced pole is equipped with compression spring, the top of organism is.
The key concept of the technical scheme is as follows: the self-adhesive paper to be processed is not smooth enough, so that the self-adhesive paper is not beneficial to die cutting, when the self-adhesive paper is pressed down during die cutting, elements in the die cutting box are loosened, and the accuracy of the die cutting rule in downward cutting is reduced.
Further, the inside of organism is provided with the dead lever, the connecting plate has all been welded to the both sides of template, the inside threaded connection of connecting plate has the screw rod, the bottom welding of template has the slide bar, and the both sides of slide bar have all been welded sliding sleeve, sliding sleeve sliding connection is in the outside of dead lever, the tip welding of dead lever has fixed fixture block.
Furthermore, one side of the top of the machine body is connected with a paper outlet seat through a bolt, and the interior of the paper outlet seat is rotatably connected with a pressing roller through a bearing.
Furthermore, one side of the top of the machine body is connected with a paper conveying seat through a bolt, and the interior of the paper conveying seat is rotatably connected with a paper conveying roller through a bearing.
Furthermore, a supporting plate is welded on one side of the machine body, a feeding box is arranged on one side of the machine body, a motor is connected to one side of the supporting plate through a bolt, the end part of the output end of the motor penetrates through the feeding box, and a feeding rod is rotatably connected to the inside of the feeding box through a bearing.
Furthermore, extrusion rollers are welded on one sides of the supporting plates, and supporting frames are connected to two sides of the bottom of the machine body through bolts.
The utility model has the advantages that:
1. through the adapter sleeve and the compression spring that set up, the adapter sleeve of die-cutting board both sides reciprocates in the outside of spliced pole, and adapter sleeve's bottom is pressed and is cushioned in compression spring's upper end, and the not hard up of the inside component of cross cutting case when preventing to push down, the more firm processing of carrying on the cross cutting increases die-cutting rule accuracy of cutting down.
2. Through the squeeze roll and the defeated paper roll that set up, the output of motor drives the porter bar and rotates, and the tip setting of the self-adhesive paper is between two squeeze rolls, and the bottom of defeated paper roll in defeated paper seat again will not self-adhesive paper send into the top of template, and the squeeze roll makes the self-adhesive paper of treating processing more level and smooth transport template after the extrusion, is favorable to not self-adhesive paper to carry out the cross cutting.
3. Through the sliding sleeve and the fixed rod that set up, the slide bar and the sliding sleeve of template bottom slide in the outside of fixed rod, make the template pull out to the bottom of cross cutting case, clear up the template, only need support the tip of screw rod in the outside of sliding sleeve when cross cutting adds man-hour, it can be fixed to screw up the bolt, and is very convenient during the clearance.
Drawings
FIG. 1 is a schematic structural view of the pressure-sensitive adhesive paper die-cutting machine of the present invention;
FIG. 2 is a schematic view of a die cutting box structure of the pressure-sensitive adhesive paper die cutting machine of the present invention;
FIG. 3 is a schematic view of the template structure of the sticker die-cutting machine of the present invention;
fig. 4 is the schematic view of the feeding box structure of the adhesive sticker die-cutting machine of the utility model.
In the figure: the automatic paper cutting machine comprises a machine body 1, a die cutting box 2, a supporting plate 3, a cylinder 4, a template 5, a supporting frame 6, a paper outlet seat 7, a pressing roller 8, a paper conveying seat 9, a paper conveying roller 10, an extrusion roller 11, a feeding box 12, a die cutting plate 13, a die cutting knife 14, a connecting column 15, a connecting sleeve 16, a compression spring 17, a fixing rod 18, a fixing block 19, a connecting plate 20, a sliding rod 21, a sliding sleeve 22, a feeding rod 23, a motor 24, a groove 25 and a screw rod 26.
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 to 4, the non-setting adhesive paper die cutting machine comprises a machine body 1, one side of the top of the machine body 1 is connected with a die cutting box 2 through a bolt, the top of the die cutting box 2 is connected with a cylinder 4 through a bolt, the model of the cylinder 4 is SC63 x 150, the end part of the output end of the cylinder 4 penetrates through the die cutting box 2, the end part of the output end of the cylinder 4 is welded with a die cutting plate 13, the output end of the cylinder 4 presses the die cutting plate 13 downwards, a die cutting knife 14 below the die cutting plate 13 performs die cutting on non-setting adhesive paper, the bottom of the die cutting plate 13 is provided with the die cutting knife 14, two sides of the die cutting plate 13 are welded with a connecting sleeve 16, two sides of the inside of the die cutting box 2 are provided with grooves 25, the inside of the grooves 25 is welded with connecting columns 15, the connecting sleeve 16 is sleeved outside the connecting columns 15, the, the connecting sleeve 16 of die-cutting board 13 both sides reciprocates in the outside of spliced pole 15, and the bottom of connecting sleeve 16 presses in compression spring 17's upper end and cushions, prevents to push down the not hard up of the inside component of cross cutting case 2, and the more firm processing of cutting that carries on increases the accuracy that the die-cutting rule cut down.
As can be seen from the above description, the present invention has the following advantages: through connecting sleeve 16 and the compression spring 17 that sets up, the connecting sleeve 16 of die-cutting board 13 both sides reciprocates in the outside of spliced pole 15, and the bottom of connecting sleeve 16 presses and cushions in compression spring 17's upper end, prevents to push down the not hard up of the inside component of cross cutting case 2, and the more firm processing of cutting that carries on increases die-cutting rule accuracy of cutting down.
Further, a fixed rod 18 is arranged inside the machine body 1, connecting plates 20 are welded on two sides of the template 5, a screw 26 is connected to the inner threads of the connecting plates 20, a sliding rod 21 is welded at the bottom of the template 5, sliding sleeves 22 are welded on two sides of the sliding rod 21, the sliding sleeves 22 are connected to the outer portions of the fixed rods 18 in a sliding mode, fixed clamping blocks 19 are welded at the end portions of the fixed rods 18, the fixed clamping blocks 19 prevent the sliding sleeves 22 from sliding out, the screw 26 inside the connecting plates 20 is rotated, the bottom of the screw 26 cannot abut against the outer portions of the sliding sleeves 22, the template 5 is pulled out, the sliding rod 21 and the sliding sleeve 22 at the bottom of the template 5 slide outside the fixed rods 18, the template 5 is pulled out towards the bottom of the die cutting box 2, the template 5 is cleaned, when the die cutting process is carried out, only the end portion of the screw 26, the cleaning is very convenient.
Furthermore, one side at the top of the machine body 1 is connected with a paper outlet seat 7 through a bolt, the inside of the paper outlet seat 7 is rotatably connected with a pressing roller 8 through a bearing, and the self-adhesive paper after die cutting is discharged through the pressing roller 8 inside the paper outlet seat 7.
Further, one side of the top of the machine body 1 is connected with a paper conveying seat 9 through a bolt, a paper conveying roller 10 is rotatably connected inside the paper conveying seat 9 through a bearing, and the self-adhesive paper is conveyed to the upper part of the template 5 through the bottom of the paper conveying roller 10 in the paper conveying seat 9.
Further, backup pad 3 has been welded to one side of organism 1, one side of organism 1 is provided with pay-off box 12, there is motor 24 one side of backup pad 3 through bolted connection, motor 24's model is TC7134, and the tip of the output of motor 24 runs through pay-off box 12, the inside of pay-off box 12 is rotated through the bearing and is connected with pay-off pole 23, the non-setting adhesive paper that will treat processing is placed in the outside of pay-off pole 23 of pay-off box 12 inside, the output of motor 24 drives pay-off pole 23 and rotates.
Further, squeeze rolls 11 are welded on one side of the supporting plate 3, the end portions of the self-adhesive paper are arranged between the two squeeze rolls 11, supporting frames 6 are connected to two sides of the bottom of the machine body 1 through bolts, and the supporting frames 6 support the machine body 1.
Adopt above-mentioned, through the squeeze roll 11 and the defeated paper roll 10 that set up, the output of motor 24 drives feed rod 23 and rotates, and the tip setting of self-adhesive paper is between two squeeze rolls 11, and the top of template 5 is sent into to self-adhesive paper through the bottom of defeated paper roll 10 in defeated paper seat 9 again, and squeeze roll 11 makes the self-adhesive paper of treating processing more flat transport template 5 after the extrusion, is favorable to self-adhesive paper to carry out the cross cutting.
In the following, some preferred embodiments or application examples are listed to help those skilled in the art to better understand the technical content of the present invention and the technical contribution of the present invention to the prior art:
example 1
The non-setting adhesive paper die cutting machine comprises a machine body 1, one side of the top of the machine body 1 is connected with a die cutting box 2 through a bolt, the top of the die cutting box 2 is connected with a cylinder 4 through a bolt, the model of the cylinder 4 is SC63 x 150, the end part of the output end of the cylinder 4 penetrates through the die cutting box 2, the end part of the output end of the cylinder 4 is welded with a die cutting plate 13, the output end of the cylinder 4 presses the die cutting plate 13 downwards, a die cutting knife 14 below the die cutting plate 13 performs die cutting on non-setting adhesive paper, the bottom of the die cutting plate 13 is provided with the die cutting knife 14, two sides of the die cutting plate 13 are welded with connecting sleeves 16, two sides of the inside of the die cutting box 2 are provided with grooves 25, connecting columns 15 are welded inside the grooves 25, the connecting sleeves 16 are sleeved outside the connecting columns 15, the bottom of the connecting columns 15 is sleeved with a compression spring 17, the top of the machine, the bottom of the connecting sleeve 16 is pressed at the upper end of the compression spring 17 for buffering, so that the loosening of elements inside the die cutting box 2 during pressing is prevented, die cutting processing is stably carried out, and the accuracy of die cutting rule downward cutting is improved.
Wherein, a fixed rod 18 is arranged in the machine body 1, connecting plates 20 are welded on both sides of the template 5, a screw 26 is connected with the inner thread of the connecting plate 20, a sliding rod 21 is welded on the bottom of the template 5, and the sliding sleeves 22 are welded on both sides of the sliding rod 21, the sliding sleeves 22 are slidably connected with the outer part of the fixed rod 18, the end part of the fixed rod 18 is welded with the fixed fixture block 19, the fixed fixture block 19 prevents the sliding sleeve 22 from sliding out, the screw rod 26 inside the connecting plate 20 is rotated, the bottom of the screw rod 26 can not be abutted against the outer part of the sliding sleeve 22 to pull out the template 5, the sliding rod 21 and the sliding sleeve 22 at the bottom of the template 5 slide on the outer part of the fixed rod 18 to pull out the template 5 towards the bottom of the die-cutting box 2, the template 5 is cleaned, when the die cutting is carried out, only the end part of the screw rod 26 is required to be abutted against the outer part of the sliding sleeve 22, the bolt is screwed up to fix the template, and the cleaning is very convenient; one side of the top of the machine body 1 is connected with a paper outlet seat 7 through a bolt, the interior of the paper outlet seat 7 is rotatably connected with press rollers 8 through bearings, and the self-adhesive paper after die cutting passes through the space between the press rollers 8 in the paper outlet seat 7 to discharge the self-adhesive paper; one side of the top of the machine body 1 is connected with a paper conveying seat 9 through a bolt, the interior of the paper conveying seat 9 is rotatably connected with a paper conveying roller 10 through a bearing, and the self-adhesive paper is conveyed to the upper part of the template 5 through the bottom of the paper conveying roller 10 in the paper conveying seat 9; the processing machine comprises a machine body 1, a supporting plate 3, a feeding box 12, a motor 24, a material conveying rod 23, a bearing, a paper processing machine and a processing machine, wherein the supporting plate 3 is welded on one side of the machine body 1, the feeding box 12 is arranged on one side of the machine body 1, the motor 24 is connected to one side of the supporting plate 3 through a bolt, the type of the motor 24 is TC7134, the end part of the output end of the motor 24 penetrates through the feeding box 12, the feeding rod 23 is rotatably connected to the interior of the feeding box 12 through the bearing, non; squeeze rolls 11 are welded on one side of the supporting plate 3, the end portions of the self-adhesive paper are arranged between the two squeeze rolls 11, supporting frames 6 are connected to the two sides of the bottom of the machine body 1 through bolts, and the supporting frames 6 support the machine body 1.
The working principle is as follows: when the automatic adhesive tape cutting machine is used, adhesive paper to be processed is placed outside the feeding rod 23 in the feeding box 12, the output end of the motor 24 drives the feeding rod 23 to rotate, the end part of the adhesive paper is arranged between the two extrusion rollers 11, the adhesive paper is fed above the template 5 through the bottom of the paper feeding roller 10 in the paper feeding seat 9, the extrusion rollers 11 enable the adhesive paper to be processed to be extruded and then conveyed to the template 5 in a flat mode, the output end of the air cylinder 4 presses the die cutting plate 13 downwards, the die cutting knife 14 below the die cutting plate 13 performs die cutting on the adhesive paper, in the process that the die cutting plate 13 is pressed downwards, the connecting sleeves 16 on the two sides of the die cutting plate 13 move upwards and downwards outside the connecting columns 15, the bottom of the connecting sleeves 16 is pressed at the upper ends of the compression springs 17 to buffer, the loosening of elements in the die cutting box 2 during pressing downwards is prevented, the die cutting processing is performed stably, and the accuracy of die cutting knife cutting is improved, the self-adhesive paper after die cutting passes through the space between the pressing rollers 8 inside the paper outlet seat 7 to discharge the self-adhesive paper, the screw rod 26 inside the connecting plate 20 is rotated, the bottom of the screw rod 26 cannot abut against the outside of the sliding sleeve 22, the template 5 is pulled out, the sliding rod 21 at the bottom of the template 5 and the sliding sleeve 22 slide outside the fixing rod 18, the template 5 is pulled out towards the bottom of the die cutting box 2, the template 5 is cleaned, only the end part of the screw rod 26 abuts against the outside of the sliding sleeve 22 during die cutting processing, and the self-adhesive paper can be fixed by screwing the bolt.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The non-setting adhesive paper die cutting machine comprises a machine body (1) and is characterized in that one side of the top of the machine body (1) is connected with a die cutting box (2) through a bolt, the top of the die cutting box (2) is connected with an air cylinder (4) through a bolt, the end part of the output end of the air cylinder (4) penetrates through the die cutting box (2), a die cutting plate (13) is welded at the end part of the output end of the air cylinder (4), and the bottom of the die-cutting plate (13) is provided with a die-cutting rule (14), two sides of the die-cutting plate (13) are welded with connecting sleeves (16), both sides of the interior of the die cutting box (2) are provided with grooves (25), and the connecting column (15) is welded in the groove (25), the connecting sleeve (16) is sleeved outside the connecting column (15), the bottom of the connecting column (15) is sleeved with a compression spring (17), and the top of the machine body (1) is provided with a template (5).
2. The non-setting adhesive paper die cutting machine according to claim 1, wherein a fixing rod (18) is arranged inside the machine body (1), connecting plates (20) are welded on two sides of the template (5), a screw rod (26) is connected with the connecting plates (20) through threads, a sliding rod (21) is welded on the bottom of the template (5), sliding sleeves (22) are welded on two sides of the sliding rod (21), the sliding sleeves (22) are connected outside the fixing rod (18) in a sliding mode, and a fixing clamping block (19) is welded on the end portion of the fixing rod (18).
3. The non-setting adhesive paper die-cutting machine according to claim 1, characterized in that one side of the top of the machine body (1) is connected with a paper outlet base (7) through a bolt, and the interior of the paper outlet base (7) is rotatably connected with a pressing roller (8) through a bearing.
4. The sticker die cutting machine according to claim 1, wherein one side of the top of the machine body (1) is connected with a paper conveying base (9) through a bolt, and a paper conveying roller (10) is rotatably connected inside the paper conveying base (9) through a bearing.
5. The sticker die cutting machine according to claim 1, wherein a support plate (3) is welded on one side of the machine body (1), a feeding box (12) is arranged on one side of the machine body (1), a motor (24) is connected on one side of the support plate (3) through a bolt, the end of the output end of the motor (24) penetrates through the feeding box (12), and a feeding rod (23) is welded on the end of the output end of the motor (24).
6. The non-setting adhesive paper die cutting machine according to claim 5, characterized in that a pressing roller (11) is welded on one side of the supporting plate (3), and two sides of the bottom of the machine body (1) are connected with supporting frames (6) through bolts.
CN201922148532.0U 2019-12-04 2019-12-04 Pressure-sensitive adhesive paper die-cutting machine Active CN211521141U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922148532.0U CN211521141U (en) 2019-12-04 2019-12-04 Pressure-sensitive adhesive paper die-cutting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922148532.0U CN211521141U (en) 2019-12-04 2019-12-04 Pressure-sensitive adhesive paper die-cutting machine

Publications (1)

Publication Number Publication Date
CN211521141U true CN211521141U (en) 2020-09-18

Family

ID=72464555

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922148532.0U Active CN211521141U (en) 2019-12-04 2019-12-04 Pressure-sensitive adhesive paper die-cutting machine

Country Status (1)

Country Link
CN (1) CN211521141U (en)

Similar Documents

Publication Publication Date Title
CN207465365U (en) A kind of label perforating device
CN208450708U (en) A kind of new open type press machine
CN201095012Y (en) Carrying roller structure for cutting
CN217861478U (en) Cutting machine is used in sponge production
CN101396747A (en) Improved cutting-off carrying roller
CN211521141U (en) Pressure-sensitive adhesive paper die-cutting machine
CN204322181U (en) Three layers of label bicker
CN201026627Y (en) Rapid lifting mechanism of feed roller applied for strip-cutting cutting-off machine
CN206840209U (en) A kind of unpowered round hob device
CN205571527U (en) Prevent plate shearing machine of panel wearing and tearing
CN217318244U (en) Device for preventing paper from shaking for printing die cutting machine
CN218138542U (en) Hydraulic automatic pressing mechanism of die-cutting machine
CN205905121U (en) Rubber component cutting tool
CN213469341U (en) Conveyer with auxiliary positioning mechanism
CN214561356U (en) Improved feeding and cutting mechanism for sponge strip cutting machine
CN215549278U (en) Energy-saving hydraulic heavy die cutting machine convenient for replacing tool bit
CN211333554U (en) Die-cutting machine for packaging decoration printing
CN201385344Y (en) Veneer-overlapping guillotine shear
CN210731243U (en) Cold-bending corrugated plate shearing device
CN210236643U (en) Printing and shearing machine
CN209971688U (en) Novel paper bag die-cutting machine
CN207577959U (en) A kind of Follow-up material pressing device
CN214455330U (en) Feeding mechanism of printing, slotting and die-cutting machine
CN207710945U (en) A kind of modified trademark machine with deviation-correcting function
CN210551469U (en) Replaceable multilayer die-cutting machine cutting knife

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant