CN215665802U - Feeding device - Google Patents

Feeding device Download PDF

Info

Publication number
CN215665802U
CN215665802U CN202121362857.XU CN202121362857U CN215665802U CN 215665802 U CN215665802 U CN 215665802U CN 202121362857 U CN202121362857 U CN 202121362857U CN 215665802 U CN215665802 U CN 215665802U
Authority
CN
China
Prior art keywords
assembly
supporting
driving
feeding
supporting mechanism
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
CN202121362857.XU
Other languages
Chinese (zh)
Inventor
葛一菲
陶进杰
苏杭
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.)
Luxshare Automation Jiangsu Ltd
Original Assignee
Luxshare Automation Jiangsu 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 Luxshare Automation Jiangsu Ltd filed Critical Luxshare Automation Jiangsu Ltd
Priority to CN202121362857.XU priority Critical patent/CN215665802U/en
Application granted granted Critical
Publication of CN215665802U publication Critical patent/CN215665802U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Automatic Assembly (AREA)

Abstract

The utility model belongs to the technical field of feeding and storing equipment, and discloses a feeding device which comprises a supporting mechanism, and a conveying line, a stopping mechanism and a storing and feeding mechanism which are arranged on the supporting mechanism, wherein the conveying line is used for conveying a material tray; the stopping mechanism is used for stopping a material tray on the conveying line; the material storage feeding mechanism comprises a material storage assembly, a material loading assembly and a jacking assembly, the jacking assembly is movably arranged on the supporting mechanism and is configured to jack a material tray stopped by the stopping mechanism to the material storage assembly, the material storage assembly is rotatably arranged on the supporting mechanism and is used for storing the material tray, and the material loading assembly is adjustably arranged on the supporting mechanism and is used for supporting the material tray on the material storage assembly and delivering the material tray to a grabbing position. According to the utility model, by arranging the material storing and feeding mechanism, when the feeding assembly feeds one material disc, the next material disc can be temporarily stored at the material storing assembly through the cooperation of the jacking assembly, so that the feeding operation efficiency is improved, the manual operation amount is saved, and the automatic assembly line feeding operation is realized.

Description

Feeding device
Technical Field
The utility model relates to the technical field of feeding and storing equipment, in particular to a feeding device.
Background
In the field of feeding equipment, a feeding device is generally used to convey a production line product to a predetermined position for assembly or processing. Generally utilize the manipulator with loading attachment's cooperation operation to snatch the product on the feed mechanism, but traditional loading attachment is inseparable enough at material loading in-process operation process, and the operating efficiency is low, perhaps needs to carry the assembly line product to the unloading station through manual fit, leads to needing to consume more manual works, is unfavorable for carrying out automatic assembly line material loading operation with the manipulator cooperation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a feeding device, which saves manual work, improves the work efficiency of the feeding device and is beneficial to automatic assembly line feeding operation.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a loading device, comprising:
a support mechanism;
the conveying line is adjustably arranged on the supporting mechanism and is used for conveying the material tray;
the stopping mechanism is arranged on the supporting mechanism and is configured to stop the material tray on the conveying line;
storage feed mechanism, including storage component, material loading subassembly and jacking subassembly, the jacking subassembly can be portable set up in on the supporting mechanism, be configured as with keep off that the stopping mechanism keeps off the charging tray jacking extremely storage component department, storage component rotate set up in on the supporting mechanism, be used for storing the charging tray, material loading subassembly adjustable set up in on the supporting mechanism, be configured as with on the storage component the charging tray holds up and delivers to and snatchs the position.
Preferably, the stopping mechanism comprises a first driving part and a stopping part connected to the output end of the first driving part, the first driving part is arranged on the supporting mechanism, and the stopping part is driven by the first driving part to abut against the material tray on the conveying line to be separated from the conveying line.
Preferably, the jacking assembly comprises an air cylinder and a jacking platform connected to the output end of the air cylinder, the air cylinder is installed on the supporting mechanism, the jacking platform is arranged on the supporting mechanism in a sliding mode, and the jacking platform is driven by the air cylinder to move under the driving of the air cylinder, the conveying line and the storage assembly.
Preferably, the storage assembly includes storage tongue piece and locating part, storage tongue piece rotate set up in on the supporting mechanism, can by on the jacking subassembly the charging tray top is supported, the locating part pastes and leans on the storage tongue piece sets up, is used for spacingly the pivoted position of storage tongue piece.
Preferably, the magazine assembly includes an elastic member having one end connected to the support mechanism and the other end connected to the magazine tongue, and configured to drive the magazine tongue to be stopped at the home position.
Preferably, the feeding assembly comprises a driving assembly and a feeding tongue piece connected to the output end of the driving assembly through a supporting plate, the feeding tongue piece is rotatably connected to the supporting plate, and the driving assembly is arranged on the supporting mechanism and used for driving the supporting plate to move relative to the material storage assembly.
Preferably, the driving assembly comprises a motor, a gear connected to an output end of the motor, and a rack meshed with the gear, the rack is arranged along a first direction, the first direction is the height direction of the supporting mechanism, and the supporting plate is fixedly connected to the rack.
Preferably, the supporting mechanism is provided with a monitoring mechanism, and the monitoring mechanism is configured to monitor the positions of the conveying line and the material tray on the material storage and feeding mechanism.
Preferably, the supporting mechanism comprises a supporting frame and a guide rod arranged on the supporting frame, the supporting frame is arranged along the axial direction of the guide rod in an adjustable mode, the conveying line is arranged on the supporting frame, and the blocking mechanism is arranged on the inner side of the supporting frame.
Preferably, the transmission line includes the conveyer belt, the cooperation supports the action wheel of conveyer belt and follow driving wheel and drive action wheel pivoted second driving piece, the action wheel with follow driving wheel rotate to be supported in on the supporting mechanism, the second driving piece install in on the supporting mechanism.
The utility model has the beneficial effects that:
in the feeding device, the conveying line is adjustably arranged on the supporting mechanism, so that the feeding device is convenient to be compatible with various products for use, and the applicability is strong; through setting up the storage feed mechanism from taking storage function for this loading attachment can temporarily save storage assembly department through the cooperation of jacking subassembly with next charging tray on the transmission line when feeding to a charging tray through the loading subassembly, the cooperation of material loading operation process is inseparabler, be favorable to improving loading attachment's operating efficiency, also be convenient for coordinate the outside mechanical hand to get the material from the charging tray on the loading subassembly simultaneously, realize automatic assembly line material loading operation, show and save the manual work volume.
Drawings
Fig. 1 is a first schematic structural diagram of a feeding device provided in an embodiment of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is a schematic structural diagram ii of a feeding device according to an embodiment of the present invention;
fig. 4 is a schematic partial structural diagram of a feeding device provided in an embodiment of the present invention.
In the figure:
1-a support mechanism; 11-a support frame; 111-a support base; 112-side plate; 113-a support; 1131-a support block; 1132 — a support rod; 12-a guide bar; 13-fixing the bracket; 131-a stiffener;
2-a conveying line; 21-a conveyor belt; 22-a driving wheel; 23-a driven wheel; 24-a second drive member;
3-gear stop mechanism; 31-a first drive member; 32-gear stop;
4-a material storing and feeding mechanism;
41-a storage component; 411-storage tongue piece; 412-a stop;
42-a feeding assembly; 421-a drive assembly; 4211-electric motor; 4212-gear; 4213-rack; 422-supporting plate; 423-feeding tongue piece;
43-a jacking assembly; 431-cylinder; 432-jacking platform;
51-first sensor.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar parts throughout or parts having the same or similar functions. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediary, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature being in contact not directly but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 to 4, the present invention provides a feeding device, which includes a supporting mechanism 1, and a conveying line 2, a stopping mechanism 3 and a storing and feeding mechanism 4 which are arranged on the supporting mechanism 1, wherein the conveying line 2 is used for conveying a tray; the stopping mechanism 3 is configured to stop the trays on the conveyor line 2; the material storing and feeding mechanism 4 comprises a material storing component 41, a material loading component 42 and a jacking component 43, the jacking component 43 can be movably arranged on the supporting mechanism 1 and is configured to jack a material tray stopped by the stopping mechanism 3 to the position of the material storing component 41, the material storing component 41 is rotatably arranged on the supporting mechanism 1 and is used for storing the material tray, and the material loading component 42 can be adjustably arranged on the supporting mechanism 1 and is configured to hold the material tray on the material storing component 41 and deliver the material tray to a grabbing position.
In the feeding device of the embodiment, the conveying line 2 is adjustably arranged on the supporting mechanism 1, so that the feeding device can be compatible with various products for use, and the applicability is strong; through setting up storage feed mechanism 4 from taking storage function, make this loading attachment can keep off the next charging tray that stops mechanism 3 and keep off stopping on transmission line 2 and pass through jacking component 43's cooperation temporary storage in storage component 41 department through loading component 42 to a charging tray material loading in the time, be favorable to improving loading attachment's operating efficiency, also be convenient for simultaneously coordinate the external mechanical hand to get the material from the charging tray on snatching position department loading component 42, realize automatic assembly line material loading operation, save the manual work volume greatly.
Referring to fig. 1, the conveying line 2 includes a conveying belt 21, a driving pulley 22 and a driven pulley 23 which are matched to support the conveying belt 21, and a second driving member 24 which drives the driving pulley 22 to rotate, wherein the driving pulley 22 and the driven pulley 23 are rotatably supported on the supporting mechanism 1, and the second driving member 24 is installed on the supporting mechanism 1. Under the drive of the second driving component 24, the driving wheel 22 drives the conveying belt 21 to move, and further drives the driven wheel 23 to rotate, so that the material trays on the conveying belt 21 are conveyed.
Referring to fig. 2 and 3, the supporting mechanism 1 is provided with a monitoring mechanism, and the monitoring mechanism includes a first sensor 51 arranged at the storage feeding mechanism 4 and a second sensor arranged on the transmission line 2 and corresponding to the stopping mechanism 3, so as to monitor the positions of the trays on the storage feeding mechanism 4 and the transmission line 2, and perform ordered stopping and feeding on the trays.
Referring to fig. 3, the stopping mechanism 3 includes a first driving member 31 and a stopping member 32 connected to an output end of the first driving member 31, and the first driving member 31 is disposed on the supporting mechanism 1. The stopping part 32 is driven by the first driving part 31 to abut against the material tray on the conveying line 2, and the material tray is jacked to be separated from the conveying line 2, so that the material tray is stopped, and the material tray is conveyed by the jacking assembly 43.
Referring to fig. 3 and 4, the jacking assembly 43 comprises an air cylinder 431 and a jacking platform 432 connected to an output end of the air cylinder 431, the air cylinder 431 is mounted on the supporting mechanism 1, the jacking platform 432 is slidably disposed on the supporting mechanism 1, the jacking platform 432 is driven by the air cylinder 431 to move between the conveying line 2 and the magazine assembly 41, and the tray on the blocking body 32 is lifted to the magazine assembly 41 by the movement of the jacking platform 432.
Optionally, a guide rail is arranged on the side plate 112 of the support frame 11, the sliding portion of the jacking platform 432 is slidably arranged on the guide rail, and the sliding portion of the jacking platform 432 slides along the guiding direction of the guide rail under the driving of the cylinder 431, so that the working portion of the jacking platform 432 moves between the conveying line 2 and the magazine assembly 41, and the magazine on the stopper member 32 is lifted to the magazine assembly 41.
Referring to fig. 3 and 4, the magazine assembly 41 includes a magazine tongue 411 and a limiting member 412, the magazine tongue 411 is rotatably disposed on the supporting mechanism 1, and the limiting member 412 is disposed to abut against the magazine tongue 411 for limiting a rotational position of the magazine tongue 411 when rotating toward the conveying line 2. In the process that the jacking platform 432 lifts the tray from the stopping part 32 towards the storage component 41, the storage tongue piece 411 can be jacked by the tray on the jacking platform 432 to rotate, and then forms a temporary storage position in cooperation with the jacking platform 432, and the tray at the storage position is taken after the loading component 42 finishes a previous loading action; after the feeding assembly 42 takes the tray at the storage position, the storage tongue 411 is reset to the initial rotation position limited by the limiting member 412, and the jacking platform 432 also returns to the conveying line 2 to convey the next tray toward the storage tongue 411; therefore, an uninterrupted feeding process is formed under the matching of the material storage assembly 41, the feeding assembly 42 and the jacking assembly 43, and the feeding operation efficiency is greatly improved.
Alternatively, the magazine assembly 41 includes an elastic member having one end connected to the support mechanism 1 and the other end connected to the magazine tongue 411. After the tray is taken away by the feeding assembly 42, the storing tongue piece 411 pushed and rotated by the tray can be reset to the initial position through the elastic member, so as to provide a storing position for the next tray under the cooperation of the jacking assembly 43. Or the magazine tongue 411 may be restored to the original position by the gravity of the magazine tongue 411 in the case where the self-weight is large.
Referring to fig. 3 and 4, the feeding assembly 42 includes a driving assembly 421 and a feeding tongue 423 connected to an output end of the driving assembly 421 through a supporting plate 422, the driving assembly 421 is disposed on the supporting mechanism 1 to drive the supporting plate 422 to move relative to the magazine assembly 41, and specifically, the supporting plate 422 can move along a first direction under the driving of the driving assembly 421 to drive the feeding tongue 423 to move along the first direction. The feeding tongue piece 423 is rotatably connected to the supporting plate 422 and can rotate around the second direction, and under the cooperation of the driving assembly 421 and the supporting plate 422, the feeding tongue piece 423 can simultaneously move along the first direction and rotate around the second direction on the supporting mechanism 1, so that the material tray at the material storage position can be taken out and transferred to the grabbing position through the cooperation of the material storage assembly 41 and the jacking assembly 43; wherein, the first direction is the height direction of the supporting mechanism 1, the height direction of the supporting mechanism 1 is the direction shown by the arrow ab in fig. 1, the second direction is the length direction of the supporting mechanism 1, and the length direction of the supporting mechanism 1 is the direction shown by the arrow cd in fig. 1.
Referring to fig. 3 and 4, the driving assembly 421 includes a motor 4211, a gear 4212 connected to an output end of the motor 4211, and a rack 4213 engaged with the gear 4212, the rack 4213 is disposed along a first direction, the first direction is a height direction of the support mechanism 1, the height direction of the support mechanism 1 is a direction indicated by an arrow ab shown in fig. 1, and the support plate 422 is fixedly connected to the rack 4213. The gear 4212 is driven to rotate by the motor 4211 to drive the rack 4213 to move along the first direction, so that the supporting plate 422 reciprocates along the first direction, and the feeding tongue piece 423 can convey the material disc flexibly between the material storage position and the grabbing position.
Referring to fig. 1 and 4, the supporting mechanism 1 includes a supporting frame 11 and a guide rod 12 disposed on the supporting frame 11, the supporting frame 11 includes a supporting seat 111 and two side plates 112 disposed on the supporting seat 111, the guide rod 12 is fixed on the supporting seat 111 and penetrates through the side plates 112, and the two side plates 112 of the supporting frame 11 can move on the supporting seat 111 along an axial direction of the guide rod 12, so as to adjust a distance between the two side plates 112, so that the supporting frame 11 can be adjustably disposed along the axial direction of the guide rod 12. The conveying line 2 is arranged on the side plates 112 of the supporting frame 11, wherein the conveying direction of the conveying line 2 is arranged along the length direction parallel to the supporting mechanism 1, the axial direction of the guide rod 12 is perpendicular to the conveying direction of the conveying line 2, and the width of the conveying line 2 along the axial direction of the guide rod 12 can be adjusted by adjusting the distance between the two side plates 112, so that the conveying line 2 can compatibly convey products of various sizes, and the applicability of the feeding device is enhanced.
Optionally, referring to fig. 1 and 4, the supporting frame 11 includes a supporting member 113, the supporting member 113 includes a plurality of supporting blocks 1131 disposed on the side plate 112 at intervals and a supporting rod 1132 supported by the plurality of supporting blocks 1131, and a photoelectric sensor for monitoring the position of a material tray on the conveying line 2 is mounted on the supporting rod 1132, so as to monitor different positions of the conveying line 2. Optionally, referring to fig. 1 and 4, the supporting mechanism 1 includes a fixing bracket 13, the fixing bracket 13 is disposed on the supporting frame 11, and the storage feeding mechanism 4 is mounted on the fixing bracket 13, and the fixing bracket 13 is reinforced by a reinforcing member 131, so as to improve the reliability of the feeding operation of the storage feeding mechanism 4.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A loading device, comprising:
a support mechanism (1);
the conveying line (2) is adjustably arranged on the supporting mechanism (1) and is used for conveying the material tray;
a stopping mechanism (3), wherein the stopping mechanism (3) is arranged on the supporting mechanism (1) and is configured to stop the material tray on the conveying line (2);
storage feed mechanism (4), including storage component (41), material loading component (42) and jacking component (43), jacking component (43) portable set up in on supporting mechanism (1), be configured as with keep off that stopping mechanism (3) keep off and stop the charging tray jacking extremely storage component (41) department, storage component (41) rotate set up in on supporting mechanism (1), be used for storing the charging tray, material loading component (42) adjustable set up in on supporting mechanism (1), be configured as with on storage component (41) the charging tray holds up and delivers to and snatchs the position.
2. A loading device according to claim 1, wherein the blocking mechanism (3) comprises a first driving member (31) and a blocking member (32) connected to an output end of the first driving member (31), the first driving member (31) is arranged on the supporting mechanism (1), and the blocking member (32) is driven by the first driving member (31) to disengage from the conveyor line (2) against the trays on the conveyor line (2).
3. The loading device according to claim 1, characterized in that the jacking assembly (43) comprises a cylinder (431) and a jacking platform (432) connected to the output end of the cylinder (431), the cylinder (431) is mounted on the supporting mechanism (1), the jacking platform (432) is slidably arranged on the supporting mechanism (1), and the jacking platform (432) moves between the conveying line (2) and the storage assembly (41) under the driving of the cylinder (431).
4. The feeding device according to claim 1, wherein the storage assembly (41) comprises a storage tongue piece (411) and a limiting member (412), the storage tongue piece (411) is rotatably arranged on the supporting mechanism (1) and can be abutted by the tray on the jacking assembly (43), and the limiting member (412) is arranged by abutting against the storage tongue piece (411) and is used for limiting the rotating position of the storage tongue piece (411).
5. A loading device according to claim 4, characterized in that the magazine assembly (41) comprises a resilient member connected at one end to the support means (1) and at the other end to the magazine tongue (411) and configured to drive the magazine tongue (411) to stop in an initial position.
6. The feeding device according to claim 1, characterized in that the feeding assembly (42) comprises a driving assembly (421) and a feeding tongue piece (423) connected to the output end of the driving assembly (421) through a supporting plate (422), the feeding tongue piece (423) is rotatably connected to the supporting plate (422), and the driving assembly (421) is arranged on the supporting mechanism (1) and used for driving the supporting plate (422) to move relative to the storing assembly (41).
7. A feeding device according to claim 6, wherein the driving assembly (421) comprises a motor (4211), a gear (4212) connected to an output end of the motor (4211) and a rack (4213) meshed with the gear (4212), the rack (4213) is arranged along a first direction, the first direction is a height direction of the supporting mechanism (1), and the supporting plate (422) is fixedly connected to the rack (4213).
8. A loading device according to claim 1, characterized in that monitoring means are provided on the supporting means (1), which monitoring means are configured to monitor the position of the trays on the conveyor line (2) and on the magazine loading means (4).
9. A loading device according to claim 1, characterized in that said supporting means (1) comprises a supporting frame (11) and a guiding rod (12) arranged on said supporting frame (11), said supporting frame (11) being adjustably arranged along the axial direction of said guiding rod (12), said conveying line (2) being arranged on said supporting frame (11), said stop means (3) being arranged inside said supporting frame (11).
10. A loading device according to claim 1, wherein said conveyor line (2) comprises a conveyor belt (21), a driving pulley (22) and a driven pulley (23) cooperating to support said conveyor belt (21), and a second driving member (24) for driving said driving pulley (22) to rotate, said driving pulley (22) and said driven pulley (23) being rotatably supported on said support means (1), said second driving member (24) being mounted on said support means (1).
CN202121362857.XU 2021-06-18 2021-06-18 Feeding device Active CN215665802U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121362857.XU CN215665802U (en) 2021-06-18 2021-06-18 Feeding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121362857.XU CN215665802U (en) 2021-06-18 2021-06-18 Feeding device

Publications (1)

Publication Number Publication Date
CN215665802U true CN215665802U (en) 2022-01-28

Family

ID=79975882

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121362857.XU Active CN215665802U (en) 2021-06-18 2021-06-18 Feeding device

Country Status (1)

Country Link
CN (1) CN215665802U (en)

Similar Documents

Publication Publication Date Title
CN108249119A (en) A kind of copper bar automation plane warehouse and copper bar integrated production line
CN109786851A (en) Transfer component and lithium battery glue plastering machine
CN110899485B (en) Automatic stamping bending equipment
CN110027900A (en) Production line and feed device
CN109786850A (en) Encapsulated component and Full-automatic lithium battery battery glue plastering machine
CN109625962B (en) Power battery cover plate overturning feeder
CN207827251U (en) A kind of copper bar automation plane warehouse and copper bar integrated production line
CN108615930A (en) Lithium battery assembly equipment
CN110893984A (en) Assembly line transfer device capable of realizing on-line and off-line switching
CN109809184B (en) Feeding and discharging device
CN215665802U (en) Feeding device
CN113997310A (en) Material suction device and suction method for logistics stacking robot
CN213325590U (en) Automatic feeding device
CN111037284B (en) Charging module assembly line
CN209815140U (en) Power battery apron upset feeder
CN113401567B (en) Charging tray conveying device
CN212245196U (en) Automatic feeding and recycling device
CN209870889U (en) Rotary material moving mechanism
CN208913304U (en) A kind of automatic charging rotating disc type drilling-tapping machine
CN108550892B (en) Lithium battery production equipment
CN208199707U (en) A kind of multiple rows of material-receiving system
CN112355790A (en) Round hole filling and polishing automation equipment based on machine part refitting
CN112975621A (en) Flat grinding device
CN218168947U (en) Feeding structure for gear milling
CN214191667U (en) Glass business turn over storehouse device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant