CN216785082U - Tight moist antibacterial liquid production and processing raw materials loading attachment - Google Patents

Tight moist antibacterial liquid production and processing raw materials loading attachment Download PDF

Info

Publication number
CN216785082U
CN216785082U CN202123151846.XU CN202123151846U CN216785082U CN 216785082 U CN216785082 U CN 216785082U CN 202123151846 U CN202123151846 U CN 202123151846U CN 216785082 U CN216785082 U CN 216785082U
Authority
CN
China
Prior art keywords
sliding
raw materials
fixedly connected
rod
processing
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.)
Expired - Fee Related
Application number
CN202123151846.XU
Other languages
Chinese (zh)
Inventor
韦汉文
马永清
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.)
Shanghai Tongmei Biotechnology Co ltd
Original Assignee
Shanghai Tongmei Biotechnology 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 Shanghai Tongmei Biotechnology Co ltd filed Critical Shanghai Tongmei Biotechnology Co ltd
Priority to CN202123151846.XU priority Critical patent/CN216785082U/en
Application granted granted Critical
Publication of CN216785082U publication Critical patent/CN216785082U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Devices For Dispensing Beverages (AREA)

Abstract

The utility model belongs to the technical field of antibacterial liquid production and processing, in particular to a feeding device for tight-moistening antibacterial liquid production and processing raw materials, which aims at solving the problems that automatic feeding cannot be realized aiming at the operation of processing equipment in the process of processing the raw materials by the processing equipment in the prior art, the feeding mode is mostly manual operation, time and labor are wasted, the automation degree is low, the labor cost is increased, and the production efficiency is reduced, and the utility model provides the following scheme, which comprises a mounting plate, wherein a quantitative feeding mechanism is arranged on the front side of the mounting plate, a charging barrel is fixedly connected on the front side of the mounting plate, a feeding pipe is fixedly communicated with the bottom of the charging barrel, and a sealing plate is arranged inside the feeding pipe. The operation is simple, the time and the labor are saved, and the practicability is strong.

Description

Tight moist antibacterial liquid production and processing raw materials loading attachment
Technical Field
The utility model relates to the technical field of antibacterial liquid production and processing, in particular to a feeding device for raw materials for producing and processing a tight and moist antibacterial liquid.
Background
The tightening antibacterial liquid is a medicine for cleaning and maintaining female private parts and is liquid capsule in character. The main raw materials comprise fructus Cnidii extract, Ginseng radix extract, folium Artemisiae Argyi extract, etc. During the processing, the steps of crushing, extracting, mixing and stirring raw materials are required.
At present, current processing equipment is carrying out the in-process of processing to the raw materials, can't realize automatic feeding to processing equipment's operation, and the material loading mode is mostly manual operation, wastes time and energy, and degree of automation is lower, has improved the cost of labor, has also reduced production efficiency simultaneously. Therefore, a feeding device for raw materials for producing and processing the tight antibacterial liquid is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that automatic feeding cannot be realized aiming at the operation of processing equipment in the process of processing raw materials by processing equipment in the prior art, the feeding mode is mostly manual operation, time and labor are wasted, the automation degree is low, the labor cost is improved, and the production efficiency is reduced.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a tight moist antibacterial liquid production and processing raw materials loading attachment, includes the mounting panel, the front side of mounting panel sets up quantitative unloading mechanism, the front side fixedly connected with feed cylinder of mounting panel, the fixed intercommunication in bottom of feed cylinder has the unloading pipe, the inside of unloading pipe is provided with the shrouding, the right-hand member of shrouding and the right side inner wall movable contact of unloading pipe, the left end of shrouding runs through the left side inner wall of unloading pipe and extends to the outside of unloading pipe, quantitative unloading mechanism is connected with the shrouding, the below of mounting panel is provided with the conveyer belt, be provided with a plurality of material receiving boxes on the conveyer belt.
Preferably, the quantitative blanking mechanism comprises a driving motor, an eccentric wheel, a sliding shaft, a positioning rod, a sliding ring, a sliding block, a fixing rod, a supporting plate and a pulling rod, the driving motor is fixedly connected to the front side of the mounting plate, the eccentric wheel is fixedly connected to an output shaft of the driving motor, an annular groove is formed in the front side of the eccentric wheel, the rear end of the sliding shaft is slidably connected in the annular groove, the top end of the positioning rod is rotatably connected to the front side of the mounting plate, the bottom end of the positioning rod is rotatably connected to the sliding shaft, the top end of the sliding shaft is fixedly connected with the top end of the sliding ring, the sliding block is slidably connected in the sliding ring, the left end of the fixing rod is rotatably connected to the front side of the sliding block, the supporting plate is fixedly connected to the front side of the mounting plate, an adjusting assembly is arranged on the left side of the supporting plate, the adjusting assembly is connected with the fixing rod, and the left end of the pulling rod is rotatably connected with the bottom end of the sliding ring, the right end of the pulling rod is rotatably connected with the bottom of the moving block, the bottom of the sealing plate is provided with a slide way, the moving block is slidably connected in the slide way, and the sealing plate can be driven to transversely reciprocate and open and close a channel of the discharging pipe through transmission between the driving motor and the sealing plate.
Preferably, the sliding shaft is rotatably sleeved with a lantern ring, the bottom end of the positioning rod is fixedly connected to the lantern ring, and the positioning rod and the sliding shaft can be conveniently connected through the lantern ring.
Preferably, the adjusting part comprises a screw rod nut, a sliding cable and a screw rod, the screw rod nut is connected to the left side of the supporting plate in a sliding mode, the left side of the screw rod nut is fixedly connected with the right end of the fixing rod, the screw rod nut is connected with the screw rod in a threaded mode, the top end of the screw rod is rotatably connected to the top of the supporting plate, and the fixing rod can be driven to move up and down through transmission between the screw rod and the screw rod nut.
Preferably, the spout has been seted up in the backup pad, screw-nut's right side fixedly connected with strop cord, strop cord sliding connection is in the spout, and through the spacing cooperation of slip between strop cord and the spout, messenger screw-nut's removal is more stable.
Preferably, the rotating sleeve on the lead screw is provided with a stabilizing ring, the right side of the stabilizing ring is fixedly connected with the left side of the supporting plate, and the lead screw can be rotatably supported by the stabilizing ring.
Has the advantages that: the blanking channel of the blanking pipe can be driven to open and close in a reciprocating manner by driving the driving motor and the blanking plate, and the feeding operation inside the processing equipment can be realized by matching with the motion of the conveying belt and the material receiving box, so that the operation is more convenient, the time and the labor are saved, the automation degree is high, and the production efficiency is improved;
through the threaded connection fit between the lead screw and the lead screw nut and the sliding limit fit between the moving block and the slideway, the swinging distance of the bottom end of the sliding ring can be adjusted to be small, and the opening degree of the blanking channel of the blanking tube by the blanking plate is smaller in the same way, so that the adjustment of the opening and closing size of the blanking channel of the blanking tube by the blanking plate is realized, the application range of the feeding device is wider in such a way, the feeding operation can be performed on processing equipment according to raw materials with different properties and particle sizes, and the usability and the practicability are stronger;
the quantitative feeding device realizes quantitative feeding operation of raw materials with different properties and particle sizes through a simple structure, can automatically feed processing equipment by matching with the conveying belt and the material receiving box, and has the advantages of simple operation, time and labor saving and strong practicability.
Drawings
FIG. 1 is a front view of a feeding device for raw materials for producing and processing a tight bacteriostatic solution according to the present invention;
FIG. 2 is a schematic structural diagram of a part A of a feeding device for raw materials for producing and processing a tight bacteriostatic solution provided by the utility model in FIG. 1;
FIG. 3 is a schematic structural diagram of a feeding device for raw materials for producing and processing a tight bacteriostatic solution, which is shown in FIG. 1, part B;
FIG. 4 is a three-dimensional view of the structure of a driving motor, an eccentric wheel, an annular groove, a sliding shaft and a lantern ring of a feeding device for producing and processing raw materials for a tight-moistening antibacterial liquid provided by the utility model;
fig. 5 is a three-dimensional structure diagram of a lantern ring, a slip ring and a slide block of a feeding device for producing and processing raw materials for a tight-moistening antibacterial liquid provided by the utility model.
In the figure: the device comprises a mounting plate 1, a driving motor 2, an eccentric wheel 3, an annular groove 4, a sliding shaft 5, a lantern ring 6, a positioning rod 7, a sliding ring 8, a sliding block 9, a fixing rod 10, a screw rod nut 11, a supporting plate 12, a sliding groove 13, a sliding cable 14, a screw rod 15, a stabilizing ring 16, a pulling rod 17, a sealing plate 18, a charging barrel 19, a discharging pipe 20, a conveying belt 21, a material receiving box 22, a slideway 23 and a moving block 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a feeding device for raw materials for producing and processing a tight moistening antibacterial liquid comprises a mounting plate 1, a quantitative blanking mechanism is arranged on the front side of the mounting plate 1, a charging barrel 19 is fixedly connected to the front side of the mounting plate 1, the charging barrel 19 can be used for storing raw materials, a blanking pipe 20 is fixedly communicated with the bottom of the charging barrel 19, the raw materials can be dropped into a material receiving box 22 by the blanking pipe 20, a sealing plate 18 is arranged inside the blanking pipe 20, a blanking channel of the blanking pipe 20 can be opened and closed by the sealing plate 18, the right end of the sealing plate 18 is in movable contact with the right inner wall of the blanking pipe 20, the left end of the sealing plate 18 penetrates through the left inner wall of the blanking pipe 20 and extends to the outer side of the blanking pipe 20, the quantitative blanking mechanism is connected with the sealing plate 18, a conveyor belt 21 is arranged below the mounting plate 1, the conveyor belt 21 can drive the material receiving box 22 to move, a plurality of material receiving boxes 22 are arranged on the conveyor belt 21, and the material receiving boxes 22 can receive the raw materials dropped from the blanking pipe 20 and dump the raw materials into processing equipment;
the quantitative blanking mechanism comprises a driving motor 2, an eccentric wheel 3, a sliding shaft 5, a positioning rod 7, a sliding ring 8, a sliding block 9, a fixing rod 10, a supporting plate 12 and a pulling rod 17, wherein the driving motor 2 is fixedly connected to the front side of the mounting plate 1, the eccentric wheel 3 is fixedly connected to an output shaft of the driving motor 2, the front side of the eccentric wheel 3 is provided with an annular groove 4, the rear end of the sliding shaft 5 is slidably connected into the annular groove 4, the top end of the sliding ring 8 can be driven to transversely swing through the eccentric rotation characteristic of the eccentric wheel 3 and the sliding limit fit between the sliding shaft 5 and the annular groove 4, the top end of the positioning rod 7 is rotatably connected to the front side of the mounting plate 1, the bottom end of the positioning rod 7 is rotatably connected onto the sliding shaft 5, the positioning rod 7 can prevent the sliding ring 8 from moving downwards, the top end of the sliding shaft 5 is fixedly connected with the top end of the sliding ring 8, the sliding block 9 is slidably connected into the sliding ring 8, and the left end of the fixing rod 10 is rotatably connected to the front side of the sliding block 9, the fixed rod 10 can rotatably support the sliding ring 8, the supporting plate 12 is fixedly connected to the front side of the mounting plate 1, the supporting plate 12 can facilitate mounting of an adjusting assembly, the adjusting assembly is arranged on the left side of the supporting plate 12 and connected with the fixed rod 10, the left end of the pulling rod 17 is rotatably connected with the bottom end of the sliding ring 8, the pulling rod 17 can drive the sealing plate 18 to perform transverse reciprocating motion, the right end of the pulling rod 17 is rotatably connected with the bottom of the moving block 24, the bottom of the sealing plate 18 is provided with a slide rail 23, the moving block 24 is slidably connected in the slide rail 23, and the sealing plate 18 can be driven to perform transverse reciprocating motion and open and close a channel of the blanking tube 20 through transmission between the driving motor 2 and the sealing plate 18; a lantern ring 6 is rotatably sleeved on the sliding shaft 5, the bottom end of the positioning rod 7 is fixedly connected to the lantern ring 6, and the positioning rod 7 and the sliding shaft 5 can be conveniently connected by arranging the lantern ring 6;
the adjusting assembly comprises a screw rod nut 11, a sliding cable 14 and a screw rod 15, the screw rod nut 11 is connected to the left side of the supporting plate 12 in a sliding mode, the left side of the screw rod nut 11 is fixedly connected with the right end of the fixing rod 10, the screw rod nut 11 is in threaded connection with the screw rod 15, the top end of the screw rod 15 is rotatably connected to the top of the supporting plate 12, and the fixing rod 10 is driven to move up and down through transmission between the screw rod 15 and the screw rod nut 11; the support plate 12 is provided with a sliding groove 13, the right side of the screw nut 11 is fixedly connected with a sliding cable 14, the sliding cable 14 is connected in the sliding groove 13 in a sliding manner, and the screw nut 11 can move more stably through the sliding limit fit between the sliding cable 14 and the sliding groove 13; the rotating sleeve on the screw rod 15 is provided with a stabilizing ring 16, the right side of the stabilizing ring 16 is fixedly connected with the left side of the supporting plate 12, and the screw rod 15 can be rotatably supported by arranging the stabilizing ring 16.
The working principle is as follows: the mounting plate 1 on the feeding equipment is fixedly connected with a portal frame, when in use, the driving motor 2 is started firstly, when the driving motor 2 rotates, the eccentric wheel 3 is driven to rotate, when the eccentric wheel 3 rotates, the top end of the slip ring 8 is driven to transversely swing through the eccentric rotation characteristic of the eccentric wheel 3 and the sliding limit fit between the slip shaft 5 and the annular groove 4, meanwhile, the slip shaft 5 and the slip ring 8 can be supported through the positioning rod 7, so that the slip shaft 5 and the slip ring 8 cannot downwards fall off, when the top end of the slip ring 8 swings, the bottom end of the slip ring 8 is driven to transversely swing through the rotating connection fit between the fixing rod 10 and the slip block 9 and the rotating support of the slip ring 8, when the bottom end of the slip ring 8 transversely swings, the pulling rod 17 is driven to transversely reciprocate, when the pulling rod 17 transversely reciprocates, the moving block 24 is driven to slide to the left side in the slide rail 23, when the moving block 24 moves to the leftmost side of the slide rail 23, the sealing plate 18 is driven to transversely reciprocate, at the moment, the sealing plate 18 transversely reciprocates in the blanking pipe 20, opening and closing operation of a blanking channel of the blanking pipe 20 can be achieved, at the moment, raw materials in the charging barrel 19 can quantitatively and regularly fall downwards through the blanking pipe 20, then the charging boxes 22 are driven to move by the operation of the conveyor belt 21, when the charging boxes 22 enter the position right below the bottom of the blanking pipe 20, the sealing plate 18 just moves to the left side and opens the channel of the blanking pipe 20, at the moment, the raw materials just fall into the charging boxes 22, then when the charging boxes 22 move to the rightmost end of the conveyor belt 21 to incline, the raw materials are just poured into the processing equipment, and through transmission between the driving motor 2 and the sealing plate 18, the blanking channel of the blanking pipe 20 can be opened and closed in a reciprocating mode by driving the sealing plate 18, the conveying belt 21 and the material receiving box 22 are matched for movement, the feeding operation inside the processing equipment can be achieved, the operation is convenient, time and labor are saved, the automation degree is high, the production efficiency is improved, then when raw materials with different properties and particle sizes are required to be fed, when particles of the raw materials are small, the opening degree of the sealing plate 18 to the channel of the blanking pipe 20 needs to be reduced, at the moment, the screw rod 15 is rotated, when the screw rod 15 rotates, the screw rod nut 11 can be driven to move downwards, when the screw rod nut 11 moves downwards, the fixing rod 10 and the sliding block 9 can be driven to move downwards, at the moment, through the threaded connection fit between the screw rod 15 and the screw rod nut 11 and the sliding limit fit between the sliding cable 14 and the sliding groove 13, the screw rod nut 11 can be driven to stop moving at any position of the screw rod nut 11 on the screw rod 15 within the vertical sliding range between the sliding cable 14 and the sliding groove 13 At this time, the position of the supporting point of the fixing rod 10 on the sliding ring 8 is changed by changing the position of the screw nut 11, when the supporting point of the fixing rod 10 on the sliding ring 8 is changed downwards, the bottom end of the sliding ring 8 is supported by the fixing rod 10 and moves to the left side by a corresponding distance, at this time, the moving block 24 is driven to slide to the left side in the slideway 23 by the transmission between the bottom end of the sliding ring 8 and the moving block 24, so that when the bottom end of the sliding ring 8 moves to the left side, the closing plate 18 is not driven to open the channel of the discharging pipe 20, when the adjusting mechanism adjusts the swinging distance of the bottom end of the sliding ring 8, the sealing of the closing plate 18 on the discharging pipe 20 is not affected, then when the fixing rod 10 moves downwards, the swinging distance of the bottom end of the sliding ring 8 is smaller, and similarly, the opening degree of the closing plate 18 on the discharging channel of the discharging pipe 20 is smaller, just realized the shrouding 18 and opened and shut the regulation of size to the unloading passageway of unloading pipe 20 this moment, made this loading attachment's application scope wider through such mode, can carry out the material loading operation to processing equipment according to the raw materials of different characters and particle size, usability and practicality are stronger.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.

Claims (6)

1. The utility model provides a tight moist antibacterial liquid production and processing raw materials loading attachment, includes mounting panel (1), its characterized in that, the front side of mounting panel (1) sets up quantitative unloading mechanism, the front side fixedly connected with feed cylinder (19) of mounting panel (1), the fixed intercommunication in bottom of feed cylinder (19) has unloading pipe (20), the inside of unloading pipe (20) is provided with shrouding (18), the right-hand member of shrouding (18) and the right side inner wall movable contact of unloading pipe (20), the left end of shrouding (18) runs through the left side inner wall of unloading pipe (20) and extends to the outside of unloading pipe (20), quantitative unloading mechanism is connected with shrouding (18), the below of mounting panel (1) is provided with conveyer belt (21), be provided with a plurality of material receiving boxes (22) on conveyer belt (21).
2. The feeding device for the raw materials for producing and processing the tight-moistening antibacterial liquid, according to claim 1, wherein the quantitative blanking mechanism comprises a driving motor (2), an eccentric wheel (3), a sliding shaft (5), a positioning rod (7), a sliding ring (8), a sliding block (9), a fixing rod (10), a supporting plate (12), a pulling rod (17) and a moving block (24), the driving motor (2) is fixedly connected to the front side of the mounting plate (1), the eccentric wheel (3) is fixedly connected to the output shaft of the driving motor (2), an annular groove (4) is formed in the front side of the eccentric wheel (3), the rear end of the sliding shaft (5) is slidably connected in the annular groove (4), the top end of the positioning rod (7) is rotatably connected to the front side of the mounting plate (1), the bottom end of the positioning rod (7) is rotatably connected to the sliding shaft (5), the top end of the sliding shaft (5) is fixedly connected with the top end of the sliding ring (8), the sliding block (9) is connected in the sliding ring (8) in a sliding mode, the left end of the fixing rod (10) is connected to the front side of the sliding block (9) in a rotating mode, the supporting plate (12) is fixedly connected to the front side of the mounting plate (1), an adjusting component is arranged on the left side of the supporting plate (12) and connected with the fixing rod (10), the left end of the pulling rod (17) is connected with the bottom end of the sliding ring (8) in a rotating mode, the right end of the pulling rod (17) is connected with the bottom of the moving block (24) in a rotating mode, a sliding rail (23) is formed in the bottom of the sealing plate (18), and the moving block (24) is connected in the sliding rail (23) in a sliding mode.
3. The feeding device for raw materials for producing and processing tight-moistening antibacterial liquid according to claim 2, wherein a lantern ring (6) is sleeved on the sliding shaft (5) in a rotating manner, and the bottom end of the positioning rod (7) is fixedly connected to the lantern ring (6).
4. The feeding device for raw materials for producing and processing the bacteriostatic agent for tightening according to claim 2, wherein the adjusting assembly comprises a screw nut (11), a sliding cable (14) and a screw rod (15), the screw nut (11) is slidably connected to the left side of the supporting plate (12), the left side of the screw nut (11) is fixedly connected to the right end of the fixing rod (10), the screw nut (11) is in threaded connection with the screw rod (15), and the top end of the screw rod (15) is rotatably connected to the top of the supporting plate (12).
5. The feeding device for the raw materials for producing and processing the tight moistening bacteriostat liquid according to claim 4, wherein a sliding groove (13) is formed in the supporting plate (12), a sliding cable (14) is fixedly connected to the right side of the screw nut (11), and the sliding cable (14) is slidably connected in the sliding groove (13).
6. The feeding device for raw materials for producing and processing the tight moistening bacteriostat liquid according to claim 4, wherein a stabilizing ring (16) is rotatably sleeved on the screw rod (15), and the right side of the stabilizing ring (16) is fixedly connected with the left side of the supporting plate (12).
CN202123151846.XU 2021-12-15 2021-12-15 Tight moist antibacterial liquid production and processing raw materials loading attachment Expired - Fee Related CN216785082U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123151846.XU CN216785082U (en) 2021-12-15 2021-12-15 Tight moist antibacterial liquid production and processing raw materials loading attachment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123151846.XU CN216785082U (en) 2021-12-15 2021-12-15 Tight moist antibacterial liquid production and processing raw materials loading attachment

Publications (1)

Publication Number Publication Date
CN216785082U true CN216785082U (en) 2022-06-21

Family

ID=82006395

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123151846.XU Expired - Fee Related CN216785082U (en) 2021-12-15 2021-12-15 Tight moist antibacterial liquid production and processing raw materials loading attachment

Country Status (1)

Country Link
CN (1) CN216785082U (en)

Similar Documents

Publication Publication Date Title
CN203152070U (en) Edible fungus substrate automatic bagging and producing system
CN111111865B (en) Integrated processing equipment for processing traditional Chinese medicine
CN214234217U (en) Solid waste is reducing mechanism for rubbish
CN110116040A (en) A kind of modernization high-speed grinding device
CN216785082U (en) Tight moist antibacterial liquid production and processing raw materials loading attachment
CN117341184A (en) Film blowing device of film blowing machine
CN213894160U (en) Loading attachment of bulk cement transport ship
CN113559984B (en) Pharmaceutical material crushing device and crushing method
CN105833965B (en) The coal dust breaker and its method of work of a kind of automatic feed/discharge
CN211544925U (en) Discharge gate gesture adjustable screw conveyer
CN215743281U (en) Efficient mixing granulator for pharmacy
CN215694387U (en) Molybdenum metal material processing and smelting device with additional grinding function
CN216889172U (en) Coal sampling and conveying device
CN212998485U (en) Solidification and crystallization equipment for garbage concentrated solution
CN214022028U (en) Kiwi fruit sorting machine in grades
CN111701646A (en) Automatic neodymium iron boron magnetism body oxygen-free powder process device of pay-off
CN213230655U (en) Spiral conveying equipment for feed production
CN213894364U (en) Feeding barrel of feeding machine with material storage function
CN215123261U (en) Vitamin feed ration discharging device for poultry
CN109321304A (en) A kind of feeding device of biomass equipment
CN212554969U (en) Automatic angle conveying structure for material extruder
CN220610560U (en) Composite mineral powder crushing mechanism
CN215796486U (en) Discharge machine with matched large screw and small screw
CN219744917U (en) Fertilizer batching raw materials reducing mechanism
CN214982157U (en) Concrete mixing plant's no raise dust loading attachment

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220621

CF01 Termination of patent right due to non-payment of annual fee