CN214526687U - Efficient passes material device - Google Patents

Efficient passes material device Download PDF

Info

Publication number
CN214526687U
CN214526687U CN202120284489.5U CN202120284489U CN214526687U CN 214526687 U CN214526687 U CN 214526687U CN 202120284489 U CN202120284489 U CN 202120284489U CN 214526687 U CN214526687 U CN 214526687U
Authority
CN
China
Prior art keywords
seat
sliding
clamping
rod
groove
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
CN202120284489.5U
Other languages
Chinese (zh)
Inventor
祁豪勋
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.)
Wenzhou Jiesheng Intelligent Machinery Co ltd
Original Assignee
Wenzhou Jiesheng Intelligent Machinery Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wenzhou Jiesheng Intelligent Machinery Co ltd filed Critical Wenzhou Jiesheng Intelligent Machinery Co ltd
Priority to CN202120284489.5U priority Critical patent/CN214526687U/en
Application granted granted Critical
Publication of CN214526687U publication Critical patent/CN214526687U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to the field of material conveying equipment, in particular to an efficient material conveying device, which comprises a first conveyor belt, a second conveyor belt and a transfer device, wherein the transfer device comprises a base, a connecting seat, an installation rod, a mounting frame, a transmission mechanism and a clamping assembly; the clamping assembly is provided with a clamping seat, a driving piece, a left clamping block and a right clamping block, the left clamping block, the right clamping block and the driving piece are all arranged on the clamping seat, the left clamping block and the right clamping block are connected through the driving piece, and the clamping seat is arranged on the transmission mechanism. The material is carried to clamping component lower extreme from first conveyer belt, and the staff shifts the material to the second conveyer belt on through clamping component, realizes the transfer to the material to replace the manual work to take, improve work efficiency.

Description

Efficient passes material device
Technical Field
The utility model relates to a carry the material equipment field, especially relate to an efficient passes material device.
Background
Traditional transfer apparatus is most like the belt conveyer in the assembly line production mode, only can carry out the transport of simplicity to the batching to possess other functions, need the manual work to take the material behind the data send process, place the last conveying that carries out of another belt conveyer again, the process is too loaded down with trivial details, and work efficiency is extremely low, wastes time and energy, to this problem, the utility model provides an efficient biography material device.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides an efficient passes material device.
The utility model adopts the technical proposal that: an efficient material conveying device comprises a first conveying belt, a second conveying belt and a transfer device, wherein the first conveying belt and the second conveying belt are located on the adjacent sides of the transfer device, the horizontal height of the first conveying belt is slightly higher than that of the second conveying belt, the transfer device comprises a base, a connecting seat, an installation rod, an installation frame, a transmission mechanism and a clamping assembly, the installation rod is arranged on the upper end face of the base through the connecting seat, the upper end face of the installation rod is provided with an installation plate, the installation frame is fixed on the installation plate, and the transmission mechanism is arranged on the installation frame; clamping unit has and presss from both sides tight piece of tight seat, driving piece, the tight piece of the left clamp and the tight piece of the right clamp, the tight piece of the left clamp, the tight piece of the right clamp and driving piece all set up on pressing from both sides tight seat, and the tight piece of the left clamp passes through the driving piece with the tight piece of the right clamp to be connected, press from both sides tight seat and set up on drive mechanism, the material is carried to the clamping unit lower extreme from first conveyer belt, the staff shifts the material to the second conveyer belt through clamping unit on, realizes the transfer to the material to replace the manual work to take, improve work efficiency.
Preferably, the mounting bracket is including after-fixing board, preceding fixed mounting board and connecting rod, before-fixing board and after-fixing board between be connected through the connecting rod, after-fixing board sets up on the mounting panel, drive mechanism set up on after-fixing board.
Preferably, press from both sides tight seat and be provided with first slide bar on the one side of forward fixed plate, the preceding fixed plate open the supplementary slide rail that has the adaptation in first slide bar, press from both sides tight seat and mainly pass through the drive mechanism drive, press from both sides the cooperation of first slide bar and supplementary slide rail on the tight seat of clamp to the realization is got the transfer clamp of material.
Preferably, supplementary slide rail has left spacing groove, first activity groove, second activity groove and right spacing groove, left side spacing groove link up with first activity groove, second activity groove and right spacing groove in proper order, when the material is about to remove under pressing from both sides tight seat, the first slide bar that presss from both sides tight seat be located left spacing groove, the tight piece of driving piece drive left side clamp presss from both sides with the right side and presss from both sides the tight piece and get the material, press from both sides the material back of getting, the tight seat of drive mechanism drive clamp, the tight seat of clamp on first slide bar loop through first activity groove and second activity groove and remove to the right spacing groove on, the level in first activity groove is a little higher than second activity groove, further let press from both sides the material on the tight seat of clamp be convenient for shift to the second drive belt.
Preferably, the transmission mechanism comprises a first cylinder, a first sliding seat, a second sliding rod and a first sliding rail, the connecting rod is provided with a cylinder mounting seat, the first cylinder is arranged on the cylinder mounting seat, and the second sliding rod and the first sliding rail are both arranged on the rear fixing plate; the first sliding seat is provided with an upper sliding part and a lower sliding groove, the upper end of the first sliding seat is arranged on the second sliding rod through the upper sliding part, and the lower end of the first sliding seat is arranged on the first sliding rail through the lower sliding groove; press from both sides tight seat one end set up on first sliding seat, the other end sets up on the preceding fixed plate, press from both sides tight seat and mainly drive first sliding seat through first cylinder, first sliding seat carry out lateral shifting through last sliding part and lower sliding tray, go up sliding part and second slide bar cooperation slip, lower sliding tray and first slide rail cooperation slip to improve drive mechanism's stability, further let press from both sides tight seat transfer process in more stable.
Preferably, be provided with the slider on the first sliding seat, press from both sides tight seat and open the spout that has the adaptation in first sliding seat, press from both sides tight seat and set up on first sliding seat through the spout, because first movable groove on the supplementary slide rail is highly different with the second movable groove, press from both sides the spout on the tight seat and cooperate through the slider on the first sliding seat, further let press from both sides tight seat accessible first movable groove and second movable groove to realize highly from the conversion of high to the end.
Preferably, the driving member comprises a first rotating motor, a motor mounting bracket, a bidirectional screw and two driving blocks, the motor mounting bracket is arranged on the clamping seat, the first rotating motor is arranged on the motor mounting bracket, the bidirectional screw is arranged in the clamping seat, the bidirectional screw is connected with the first rotating motor, the two driving blocks are arranged on the bidirectional screw, the left clamping block and the right clamping block are respectively arranged on the two driving blocks, when the material moves to the position below the clamping seat, the first rotating motor is turned on, the bidirectional screw is driven by the first rotating motor to rotate, the driving blocks on the bidirectional screw enable the left clamping block and the right clamping block to move oppositely, so that the material is clamped, when the material is transferred to the second conveying belt through the transmission mechanism, the first rotating motor is driven again to enable the left clamping block and the right clamping block to move oppositely, loosening the materials.
To sum up, the utility model discloses beneficial effect does:
1. when the material is about to remove to pressing from both sides tight seat down, the material is got to tight piece and the right clamp of driving piece drive left side clamp, gets the material back, and the tight seat of drive mechanism drive clamp further lets the material on pressing from both sides tight seat be convenient for shift to the second drive belt, realizes the transfer to the material to replace the manual work to take, improve work efficiency.
2. Press from both sides tight seat and be provided with first slide bar on one side of fixed plate forward, the preceding fixed plate open the supplementary slide rail that has adaptation in first slide bar, supplementary slide rail has left spacing groove, first movable groove, second movable groove and right spacing groove, when the material is about to remove to pressing from both sides tight seat down, the first slide bar of pressing from both sides tight seat be located left spacing groove, the tight piece of driving piece drive left side clamp presss from both sides with the right side and presss from both sides the material of getting, the tight seat of drive mechanism drive clamp, cooperate of first slide bar and supplementary slide rail, the tight seat of clamp on first slide bar loop through first movable groove and second movable groove and remove to the right spacing groove on, the level in first movable groove is a little higher than second movable groove, further let press from both sides the material on the tight seat of clamp be convenient for shift to the second drive belt.
3. The clamping seat mainly drives the first sliding seat through the first air cylinder, the first sliding seat transversely moves through the upper sliding part and the lower sliding groove, the upper sliding part slides in cooperation with the second sliding rod, the lower sliding groove slides in cooperation with the first sliding rail, accordingly, the stability of the transmission mechanism is improved, and the clamping seat is further stable in the transfer process.
4. Be provided with the slider on the first sliding seat, press from both sides tight seat and open the spout that has the adaptation in first sliding seat, the slider that presss from both sides tight seat passes through the spout and sets up on first sliding seat, because first movable groove on the supplementary slide rail is highly different with the second movable groove, the spout that presss from both sides on the tight seat of clamp cooperatees through the slider on the first sliding seat, further lets press from both sides the first movable groove of tight seat accessible and second movable groove to realize highly from the conversion of high to the end.
5. First rotating electrical machines drive two-way screw rod rotate, drive block on the two-way screw rod makes left clamp tight piece and right clamp tight piece carry out the opposite motion to press from both sides the material and get, when the material shifts to the second conveyer belt through drive mechanism, the first rotating electrical machines of redriving for left clamp tight piece and right clamp tight piece carry out the opposite motion, loosen the material can.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is apparent that other drawings are obtained from the drawings.
FIG. 1 is a front view of the overall structure of the present invention;
FIG. 2 is a side view of the transfer device of FIG. 1 with the first cylinder removed;
FIG. 3 is a schematic view of the transmission mechanism on the rear fixing plate in FIG. 1;
fig. 4 is a schematic structural view of the clamping assembly of fig. 1.
The labels in the figure are: first conveyer belt 1, second conveyer belt 2, base 3, connecting seat 4, installation pole 5, mounting bracket 6, mounting panel 7, press from both sides tight seat 8, left clamp piece 9, right clamp piece 10, rear fixed plate 11, preceding fixed mounting plate 12, connecting rod 13, first slide bar 14, left spacing groove 15, first movable groove 16, second movable groove 17, right spacing groove 18, first cylinder 19, first slide block 20, second slide bar 21, first slide rail 22, go up slider 23, lower slide groove 24, slider 25, spout 26, first rotating electrical machines 27, motor mounting bracket 28, two-way screw 29, drive block 30, cylinder mount pad 31.
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. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention.
As shown in fig. 1 to 4, an efficient material conveying device includes a first conveyor belt 1, a second conveyor belt 2 and a transfer device, wherein the first conveyor belt 1 and the second conveyor belt 2 are located at adjacent sides of the transfer device, the horizontal height of the first conveyor belt 1 is slightly higher than that of the second conveyor belt 2, and the first conveyor belt 1 and the second conveyor belt 2 in the design are the same as those of the conveyor belts in the market and have the same functions, which belong to the existing design and are not described herein;
because the heights of the first conveyor belt 1 and the second conveyor belt 2 are different, the materials need to be manually taken after the conveying process and then placed on another belt conveyor for conveying, and the process is excessively complicated, the preferred embodiment of the utility model is that the materials on the first conveyor belt 1 are mainly transferred to the second conveyor belt 2 through the transfer device; the transfer device comprises a base 3, a connecting seat 4, a mounting rod 5, a mounting frame 6, a transmission mechanism and a clamping assembly, wherein the mounting rod 5 is arranged on the upper end surface of the base 3 through the connecting seat 4, and a mounting plate 7 is arranged on the upper end surface of the mounting rod 5;
the mounting frame 6 comprises a rear fixing plate 11, a front fixing plate 12 and a connecting rod 13, the front fixing plate is connected with the rear fixing plate 11 through the connecting rod 13, the rear fixing plate 11 is arranged on the mounting plate 7, and the transmission mechanism is arranged on the rear fixing plate 11; clamping unit has and presss from both sides tight piece 8, driving piece, a left side and presss from both sides tight piece 9 and the tight piece 10 of right side clamp, a left side press from both sides tight piece 9, the tight piece 10 of right side clamp and the driving piece all sets up on pressing from both sides tight seat 8, and a left side presss from both sides tight piece 9 and the tight piece 10 of right side clamp and is connected through the driving piece, press from both sides tight seat 8 and set up on drive mechanism, the material is carried to the clamping unit lower extreme from first conveyer belt 1, the staff shifts the material to second conveyer belt 2 through clamping unit on, the realization is to the transfer of material to replace the manual work and take, improve work efficiency.
In order to facilitate the material on the clamping seat 8 to be transferred to the second transmission belt, the preferred embodiment of the present invention is that the clamping seat 8 is provided with a first sliding rod 14 towards one side of the front fixing plate, the front fixing plate is provided with an auxiliary sliding rail adapted to the first sliding rod 14, the auxiliary sliding rail is provided with a left limiting groove 15, a first movable groove 16, a second movable groove 17 and a right limiting groove 18, and the left limiting groove 15 is sequentially communicated with the first movable groove 16, the second movable groove 17 and the right limiting groove 18;
the first sliding seat 20 is provided with a sliding block 25, the clamping seat 8 is provided with a sliding groove 26 adapted to the first sliding seat 20, the sliding block 25 of the clamping seat 8 is arranged on the first sliding seat 20 through the sliding groove 26, and the sliding groove 26 on the clamping seat 8 is matched with the sliding block 25 on the first sliding seat 20 due to the fact that the heights of the first movable groove 16 and the second movable groove 17 on the auxiliary sliding rail are different, so that the clamping seat 8 can be further converted from high to low through the first movable groove 16 and the second movable groove 17;
when the material is about to move to under pressing from both sides tight seat 8, the first slide bar 14 that presss from both sides tight seat 8 be located left spacing groove 15, the left tight piece 9 of driving piece drive and the right tight piece 10 of clamp are pressed from both sides and are got the material, press from both sides the back of getting the material, drive mechanism drive presss from both sides tight seat 8, the first slide bar 14 that presss from both sides on the tight seat 8 loop through first movable groove 16 and second movable groove 17 and move to right spacing groove 18 on, the level in first movable groove 16 is a little higher than second movable groove 17, further let press from both sides the material on the tight seat 8 and be convenient for shift to the second drive belt, the cooperation of first slide bar 14 and supplementary slide rail on pressing from both sides tight seat 8 to the realization is got the shift of material and is got.
In order to improve the stability of the transmission mechanism, the preferred embodiment of the present invention is that the clamping seat 8 is mainly driven by the transmission mechanism, the transmission mechanism includes a first cylinder 19, a first sliding seat 20, a second sliding rod 21 and a first sliding rail 22, the connecting rod 13 is provided with a cylinder mounting seat 31, the first cylinder 19 is arranged on the cylinder mounting seat 31, and the second sliding rod 21 and the first sliding rail 22 are both mounted on the rear fixing plate 11;
the first sliding seat 20 has an upper sliding part 23 and a lower sliding groove 24, the upper end of the first sliding seat 20 is arranged on the second sliding rod 21 through the upper sliding part 23, and the lower end is arranged on the first sliding rail 22 through the lower sliding groove 24; pressing from both sides 8 one end set up on first sliding seat 20, the other end sets up on the preceding fixed plate, press from both sides the first sliding seat 20 of tight seat 8 main drive through first cylinder 19, first sliding seat 20 carry out lateral shifting through last sliding part 23 and lower sliding tray 24, go up sliding part 23 and the cooperation of second slide bar 21 and slide, lower sliding tray 24 slide with the cooperation of first slide rail 22, further let press from both sides tight seat 8 transfer process in more stable.
In order to facilitate clamping of the material on the first conveyor belt 1, the preferred embodiment of the present invention is that the left clamping block 9 and the right clamping block 10 are mainly clamped by the driving member, the driving member includes a first rotating electrical machine 27, a motor mounting bracket 286, a two-way screw 29 and two driving blocks 30, the motor mounting bracket 286 is arranged on the clamping base 8, the first rotating electrical machine 27 is arranged on the motor mounting bracket 286, the two-way screw 29 is arranged in the clamping base 8, the two-way screw 29 is connected with the first rotating electrical machine 27, the two driving blocks 30 are both arranged on the two-way screw 29, and the left clamping block 9 and the right clamping block 10 are respectively arranged on the two driving blocks 30;
when the material moves below the clamping seat 8, the first rotating motor 27 drives the bidirectional screw 29 to rotate, and the driving block 30 on the bidirectional screw 29 enables the left clamping block 9 and the right clamping block 10 to move oppositely, so that the material is clamped; when the material is transferred to the second conveyor belt 2 through the transmission mechanism, the first rotating motor 27 is driven again, so that the left clamping block 9 and the right clamping block 10 move oppositely, and the material is loosened.
The working mode is as follows: the material is firstly conveyed through the first conveyor belt 1, when the material is conveyed to the lower part of the clamping seat 8, the first rotating motor 27 is turned on, the first rotating motor 27 drives the bidirectional screw rod 29 to rotate, the driving block 30 on the bidirectional screw rod 29 enables the left clamping block 9 and the right clamping block 10 to move oppositely so as to clamp the material, then the first air cylinder 19 is opened, the first air cylinder 19 pushes the first sliding seat 20, the clamping seat 8 slides transversely through the matching of the first sliding rod 14 and the first sliding seat 20, the first sliding rod 14 is converted from high to low through the auxiliary sliding rail so as to transversely move onto the second conveyor belt 2, and finally the first rotating motor 27 is driven so that the left clamping block 9 and the right clamping block 10 move oppositely, and the loosened material falls onto the second conveyor belt 2.
The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concept is not limited to this embodiment, and any modification that utilizes the inventive concept is intended to be within the scope of the present patent application.

Claims (7)

1. An efficient passes material device which characterized in that: the conveying device comprises a base, a connecting seat, an installation rod, an installation frame, a transmission mechanism and a clamping assembly, wherein the installation rod is arranged on the upper end surface of the base through the connecting seat, the upper end surface of the installation rod is provided with the installation plate, the installation frame is fixed on the installation plate, and the transmission mechanism is arranged on the installation frame; the clamping assembly is provided with a clamping seat, a driving piece, a left clamping block and a right clamping block, the left clamping block, the right clamping block and the driving piece are all arranged on the clamping seat, the left clamping block and the right clamping block are connected through the driving piece, and the clamping seat is arranged on the transmission mechanism.
2. A high efficiency material transfer device as claimed in claim 1, wherein: the mounting bracket is including after-fixing board, preceding fixed plate and connecting rod, preceding fixed plate and after-fixing board between be connected through the connecting rod, the after-fixing board sets up on the mounting panel, drive mechanism set up on the after-fixing board.
3. A high efficiency material transfer device as claimed in claim 2, wherein: the clamping seat is provided with a first sliding rod on one side facing the front fixing plate, and the front fixing plate is provided with an auxiliary sliding rail adaptive to the first sliding rod.
4. A high efficiency material transfer device as claimed in claim 3, wherein: the auxiliary sliding rail is provided with a left limiting groove, a first movable groove, a second movable groove and a right limiting groove, and the left limiting groove is sequentially communicated with the first movable groove, the second movable groove and the right limiting groove.
5. A high efficiency material transfer device as claimed in claim 2, wherein: the transmission mechanism comprises a first air cylinder, a first sliding seat, a second sliding rod and a first sliding rail, wherein an air cylinder mounting seat is arranged on the connecting rod, the first air cylinder is arranged on the air cylinder mounting seat, and the second sliding rod and the first sliding rail are both arranged on the rear fixing plate; the first sliding seat is provided with an upper sliding part and a lower sliding groove, the upper end of the first sliding seat is arranged on the second sliding rod through the upper sliding part, and the lower end of the first sliding seat is arranged on the first sliding rail through the lower sliding groove; one end of the clamping seat is arranged on the first sliding seat, and the other end of the clamping seat is arranged on the front fixing plate.
6. An efficient material conveying device as claimed in claim 5, wherein: the first sliding seat is provided with a sliding block, the clamping seat is provided with a sliding groove matched with the first sliding seat, and the sliding block of the clamping seat is arranged on the first sliding seat through the sliding groove.
7. A high efficiency material transfer device as claimed in claim 1, wherein: the driving piece is including first rotating electrical machines, motor mounting bracket, two-way screw rod and two drive blocks, motor mounting bracket set up on pressing from both sides tight seat, first rotating electrical machines is installed on motor mounting bracket, two-way screw rod set up in pressing from both sides tight seat, two-way screw rod is connected with first rotating electrical machines, two drive blocks all set up on two-way screw rod, the left side press from both sides tight piece and the right side presss from both sides tight piece and set up respectively on two drive blocks.
CN202120284489.5U 2021-02-01 2021-02-01 Efficient passes material device Active CN214526687U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120284489.5U CN214526687U (en) 2021-02-01 2021-02-01 Efficient passes material device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120284489.5U CN214526687U (en) 2021-02-01 2021-02-01 Efficient passes material device

Publications (1)

Publication Number Publication Date
CN214526687U true CN214526687U (en) 2021-10-29

Family

ID=78232869

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120284489.5U Active CN214526687U (en) 2021-02-01 2021-02-01 Efficient passes material device

Country Status (1)

Country Link
CN (1) CN214526687U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113682808A (en) * 2021-10-26 2021-11-23 江苏中昇电子科技有限公司 Manipulator for processing electronic components

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113682808A (en) * 2021-10-26 2021-11-23 江苏中昇电子科技有限公司 Manipulator for processing electronic components

Similar Documents

Publication Publication Date Title
CN214526687U (en) Efficient passes material device
CN201872029U (en) Novel full automatic double-end surface grinding machine
CN201274289Y (en) Material transferring apparatus for ultrasonic pressure welding machine and material transferring mechanism for the material transferring apparatus
CN103586671A (en) Automatic assembling machine for shell of breaker
CN112060789A (en) High-efficiency full-automatic stamping and scanning all-in-one machine
CN208732011U (en) A kind of printed circuit board turnover mechanism
CN211392904U (en) Positioning mechanism for paper bag material collection
CN210709145U (en) Press from both sides bottle transfer chain
CN203282151U (en) Automation riveting machine of cooling fin fixing feet
CN111660188B (en) Full-automatic chopstick square and sharp grinding machine
CN211417683U (en) Canned food automatic feeding device
CN211495922U (en) Automatic feeding device
CN210504829U (en) Sheet multi-station conveying device
CN110253428A (en) A kind of automatic feeder and intermittent delivery machine for clothes hanger sander
CN209598684U (en) A kind of die cut combined machine
CN109760156A (en) A kind of automatic plate feeding device for hot press
CN109703985A (en) A kind of component automatic high-efficiency supply line based on electronic product production
CN2053952U (en) Automatic working table for sucking and conveying materials
CN204325699U (en) A kind of single-needle quilter
CN214568322U (en) Backlight bar solder paste inspection equipment with automatic feeding function
CN211444048U (en) Transfer converging device is carried to thermos cup
CN213887794U (en) Special machine tool for motor support production
CN214289181U (en) Vertical carbon dispensing mechanism
CN215556572U (en) Feeding device for demoulding of film products
CN209797030U (en) Paper feeding device of full-automatic printing machine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant