CN209318207U - Automotive safety tape frame vision inspection apparatus - Google Patents

Automotive safety tape frame vision inspection apparatus Download PDF

Info

Publication number
CN209318207U
CN209318207U CN201821950597.6U CN201821950597U CN209318207U CN 209318207 U CN209318207 U CN 209318207U CN 201821950597 U CN201821950597 U CN 201821950597U CN 209318207 U CN209318207 U CN 209318207U
Authority
CN
China
Prior art keywords
conveyer belt
automotive safety
tape frame
safety tape
sliding
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
CN201821950597.6U
Other languages
Chinese (zh)
Inventor
葛冰冰
徐党新
谢飞
黄杰
王玉洁
李配宇
张亮
杨加军
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.)
Langtech (china) Precision Materials Ltd By Share Ltd
Original Assignee
Langtech (china) Precision Materials Ltd By Share 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 Langtech (china) Precision Materials Ltd By Share Ltd filed Critical Langtech (china) Precision Materials Ltd By Share Ltd
Priority to CN201821950597.6U priority Critical patent/CN209318207U/en
Application granted granted Critical
Publication of CN209318207U publication Critical patent/CN209318207U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)

Abstract

The utility model relates to automotive safety tape frame detection devices, especially automotive safety tape frame vision inspection apparatus, and including the camera for detecting steel seal and the display for showing steel seal photo, the camera is connect with display;It further include conveyer belt, there are two conveyer belt is set, conveyer belt is located at the two sides of automotive safety tape frame, used for conveyer belt in conveying automotive safety tape frame;Stop gauge is located at the top of conveyer belt, and is located at the discharge end of conveyer belt, and stop gauge is for successively conveying automotive safety tape frame;One end of monitor station is located at the discharge end of conveyer belt, and the surface of monitor station is equipped with camera;Detection sensor is located at the side of monitor station, and is located at the top of automotive safety tape frame;And discharging guide plate, discharging guide plate are fixed on the other end of monitor station, discharging guide plate is obliquely installed.Automotive safety tape frame vision inspection apparatus provided by the utility model can accurately detect steel seal, detection efficiency is high.

Description

Automotive safety tape frame vision inspection apparatus
Technical field
The utility model relates to automotive safety tape frame detection device, especially automotive safety tape frame vision-based detections to fill It sets.
Background technique
There are a large amount of hardware stamping part, such as automotive safety tape frame in automobile industry, due to automotive safety tape frame Type is more, and structure snd size are similar, and difference is smaller, therefore beats steel seal on automotive safety tape frame, is distinguished by steel seal The automotive safety tape frame of different size.It is at present by visual inspection for the detection of steel seal, detection efficiency is low, And since some steel seal are smaller, visually it is not easy to see steel seal, and is easy to misremember the number of steel seal, separates and be easy error, It is qualified because being unable to satisfy product 100% caused by human negligence.
Utility model content
To solve the above problems, the utility model provide it is a kind of steel seal can accurately be detected, detection efficiency it is high Automotive safety tape frame vision inspection apparatus, the specific technical proposal is:
Automotive safety tape frame vision inspection apparatus, including the camera for detecting steel seal and for showing steel seal photo Display, the camera are connect with display;It further include conveyer belt, there are two the conveyer belt is set, conveyer belt is located at automobile peace The two sides of full tape frame, it is used for conveyer belt in conveying automotive safety tape frame;Stop gauge, the stop gauge are located at conveyer belt Top, and it is located at the discharge end of conveyer belt, stop gauge is for successively conveying automotive safety tape frame;Monitor station, the detection One end of platform is located at the discharge end of conveyer belt, and the surface of monitor station is equipped with camera;Detection sensor, the detection sensor position In the side of monitor station, and it is located at the top of automotive safety tape frame;And discharging guide plate, the discharging guide plate are fixed on monitor station The other end, discharging guide plate be obliquely installed.
It preferably, further include retainer seat, the retainer seat is located at the inside of conveyer belt, and is located at the lower section of conveyer belt, support Material seat is equipped with bit-avoiding slot for holding conveyer belt, the center of the retainer seat.
It preferably, further include stock guide, the stock guide is located at the two sides of conveyer belt, and the automotive safety tape frame is located at Between two stock guides.
Preferably, one end of the stock guide is located at the feed end of conveyer belt, and the other end of stock guide is located at monitor station The other end.
It preferably, further include guide positioning device, the guide positioning device includes Mobile base, is equipped on the Mobile base Stock guide;Sliding block, the sliding block is fixed on the bottom of Mobile base, and is located at the both ends of Mobile base;Linear guide, the straight line are led Rail is located at the two sides of conveyer belt, and sliding is equipped with sliding block in linear guide;Feed screw nut, the feed screw nut are fixed on Mobile base On;Ball screw, the ball screw are connect with feed screw nut;Bearing block is equipped with ball screw on the bearing block;And positioning One end of motor, the positioning motor and ball screw connects.
Preferably, the stop gauge includes backgauge wheel, and the backgauge wheel is located at the top of automotive safety tape frame, and position In the center of automotive safety tape frame;Backgauge crossbeam is equipped with backgauge wheel on the backgauge crossbeam;And lifting device, it is described Backgauge crossbeam is housed, lifting device is located at the side of conveyer belt on lifting device.
Preferably, the lifting device includes lifting seat, and the lifting seat is located at the side of conveyer belt, and lifting seat is equipped with Sliding groove, the sliding groove are vertically arranged;Sliding seat, the sliding seat are slidably mounted in sliding groove, and the two sides of sliding seat are set There is block, sliding seat is connect with backgauge crossbeam;Slide damper, the slide damper is fixed on the two sides of sliding seat, and is located at gear The top of block, slide damper is for sliding seat to be limited in sliding groove;And cylinder, the cylinder are fixed on the top of lifting seat The piston rod in portion, cylinder is connect with sliding seat.
Preferably, the monitor station is equipped with sliding stand, and sliding stand is fixed on the two sides of monitor station, the top surface of sliding stand with The either flush of conveyer belt, the automotive safety tape frame are located on sliding stand.
Compared with prior art the utility model has the following beneficial effects:
Automotive safety tape frame vision inspection apparatus provided by the utility model can accurately detect steel seal, be detected It is high-efficient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of automotive safety tape frame vision inspection apparatus;
Fig. 2 is the top view of automotive safety tape frame vision inspection apparatus;
Fig. 3 is the assembling structure schematic diagram of conveyer belt, stock guide.
Specific embodiment
Now in conjunction with attached drawing, the utility model is described in further detail.
Steel seal is detected by using mature 23 detection technique of camera, 23 accuracy in detection of camera is high, detection speed is fast, phase Machine 23 cooperates 10 device of conveyer belt to realize the detection of pipeline system, greatly improves detection efficiency, ensure that product 100% Qualification rate.
Embodiment one
As shown in Figure 1 to Figure 3, automotive safety tape frame vision inspection apparatus, including 23 He of camera for detecting steel seal For showing that the display 22 of steel seal photo, the camera 23 are connect with display 22;It further include conveyer belt 10, the conveyer belt 10 set there are two, conveyer belt 10 is located at the two sides of automotive safety tape frame 90, and conveyer belt 10 is for conveying automotive safety tape frame 90;Stop gauge, the stop gauge is located at the top of conveyer belt 10, and is located at the discharge end of conveyer belt 10, and stop gauge is used In successively conveying automotive safety tape frame 90;Monitor station 20, one end of the monitor station 20 are located at the discharge end of conveyer belt 10, inspection The surface of scaffold tower 20 is equipped with camera 23;Detection sensor 25, the detection sensor 25 are located at the side of monitor station 20, and position In the top of automotive safety tape frame 90;And discharging guide plate 71, the discharging guide plate 71 are fixed on the other end of monitor station 20, Discharging guide plate 71 is obliquely installed.
It further include retainer seat 31, the retainer seat 31 is located at the inside of conveyer belt 10, and is located at the lower section of conveyer belt 10, Retainer seat 31 is equipped with bit-avoiding slot 311 for holding conveyer belt 10, the center of the retainer seat 31.
Monitor station 20 is equipped with sliding stand 21, and sliding stand 21 is fixed on the two sides of monitor station 20, the top surface of sliding stand 21 with The either flush of conveyer belt 10, the automotive safety tape frame 90 are located on sliding stand 21.
Specifically, vertical plate 12 is fixed on locating slot as shown in figure 3, conveyor mat 11 is equipped with two symmetrical locating slots 111 On 111, one end of vertical plate 12 fills driven shaft, and driven wheel 14 is housed on driven shaft.The other end of vertical plate 12 is equipped with driving shaft 16, Driving wheel 15 is housed, driving shaft 16 is connect with feeder motor 17, and feeder motor 17 is fixed on conveyor mat 11 on driving shaft 16 On.Conveyer belt 10 is mounted on driven wheel 14 and driving wheel 15.Conveyer belt 10 is located at the two sides of automotive safety tape frame 90, keeps away The welded nut drived a car on safe tape frame 90.The feed end of conveyer belt 10 is also equipped with material platform 13, and material platform 13 is for putting Automotive safety tape frame 90 is set, the posture of adjustment automotive safety tape frame 90 is facilitated, automotive safety tape frame 90 is made to keep unified Posture enter the lower section of camera 23, to guarantee that camera 23 can effectively detect steel seal.Material platform 13 is equipped with slot, and holds The slot in portion is larger, and slot is used to accommodate the welded nut on automotive safety tape frame 90.Conveyer belt 10 transmits automotive safety tape frame 90 is high-efficient, can be realized continuous detection, greatly shortens detection time, improves detection efficiency.
Retainer seat 31 is between driving shaft 16 and driven shaft, since conveyer belt 10 is relatively thin, when automotive safety tape frame 90 Conveyer belt 10 is easily deformed when being placed on conveyer belt 10, when multiple automotive safety tape frames 90 are placed on conveyer belt 10, Since stop gauge blocks automotive safety tape frame 90, it be easy to cause automotive safety tape frame 90 to stack, influences subsequent detection.Support Material seat 31 holds conveyer belt 10, prevents conveyer belt 10 from deforming, automotive safety tape frame 90 is enable to be arranged successively.
Monitor station 20 is stopped for automotive safety tape frame 90, so that camera 23 be facilitated to take pictures detection.Car belt frame Frame 90 is pushed on sliding stand 21 under the action of conveyer belt 10.
Conveyor mat 11 is fixed on workbench 18, and bracket 19 is housed on workbench 18,23 He of camera is housed on bracket 19 Display 22.Camera 23 faces monitor station 20.
Detection sensor 25 is close to switch or optoelectronic switch, and detection sensor 25 is for detecting whether there is car belt Frame 90 passes through, and when there is automotive safety tape frame 90 to pass through, detection sensor 25 issues to controller and issues signal, controller It controls stop gauge and carries out backgauge.
Camera 23 is detected as existing mature technology, is not described in detail herein.Display 22 can show the steel of amplification Photo is printed, facilitates testing staff's artificial detection, display 22 shows the result detected automatically simultaneously.
Further, as shown in Figure 1, the stop gauge includes backgauge wheel 66, the backgauge wheel 66 is located at automotive safety The top of tape frame 90, and it is located at the center of automotive safety tape frame 90;Backgauge crossbeam 65, on the backgauge crossbeam 65 Equipped with backgauge wheel 66;And lifting device, backgauge crossbeam 65 is housed, lifting device is located at the one of conveyer belt 10 on the lifting device Side.The lifting device includes lifting seat 61, and the lifting seat 61 is located at the side of conveyer belt 10, and lifting seat 61 is equipped with sliding Slot, the sliding groove are vertically arranged;Sliding seat 63, the sliding seat 63 are slidably mounted in sliding groove, the two sides of sliding seat 63 Equipped with block, sliding seat 63 is connect with backgauge crossbeam 65;Slide damper 64, the slide damper 64 are fixed on sliding seat 63 Two sides, and it is located at the top of block, slide damper 64 is for sliding seat 63 to be limited in sliding groove;And cylinder 62, the gas Cylinder 62 is fixed on the top of lifting seat 61, and the piston rod of cylinder 62 is connect with sliding seat 63.
Specifically, the gear of backgauge wheel 66 is on the flanging at the center of automotive safety tape frame 90, backgauge wheel 66 can be rotated, when Biggish frictional force will not be generated between automotive safety tape frame 90 when backgauge wheel 66 rises, backgauge wheel 66 is avoided to cause automobile The position of safe tape frame 90 shifts.Lifting seat 61 is fixed on stock guide 51 or in conveyor mat 11.
Feeder motor 17, cylinder 62, camera 23, display 22 and detection sensor 25 are connect with controller.
When work, automotive safety tape frame 90 is sequentially placed on conveyer belt 10, backgauge wheel 66 is stuck in car belt On frame 90, cylinder 62 drive backgauge wheel 66 rise when, automotive safety tape frame 90 conveyer belt 10 push lower slider to examine On the sliding stand 21 of scaffold tower 20, detection sensor 25 detects automotive safety tape frame 90, and detection sensor 25 is sent out to controller Raw signal, controller control cylinder 62 and backgauge wheel 66 are driven to decline, and backgauge wheel 66 blocks next car belt to be detected Frame 90, while camera 23 is taken pictures and is detected, and the photo of steel seal is shown on display 22, when on monitor station 20 Automotive safety tape frame 90 on steel seal it is correct when, controller controls cylinder 62 and backgauge wheel 66 is driven to rise, and conveyer belt 10 pushes away The safe tape frame 90 of electrical automobile is mobile to monitor station 20, and the automotive safety tape frame 90 to be detected on conveyer belt 10 will test platform The automotive safety tape frame 90 that detection on 20 is completed is shifted on discharging guide plate 71, and it is suitable to detect qualified automotive safety tape frame 90 Discharging guide plate 71 slide turnover box in.When on the automotive safety tape frame 90 on monitor station 20 steel seal and camera 23 in store Steel seal difference when, controller stop feeder motor 17 simultaneously issue alarm, testing staff takes underproof car belt frame away Frame 90, and restart feeder motor 17 and continue to test.
Embodiment two
It on the basis of the above embodiments, as shown in Figure 1 to Figure 3, further include stock guide 51, the stock guide 51 is located at defeated The two sides of band 10 are sent, the automotive safety tape frame 90 is located between two stock guides 51.Stock guide 51 prevents car belt Frame 90 deviates, and keeps the position of automotive safety tape frame 90 unified, detects steel seal convenient for camera 23, prevents car belt from deviating Position is excessive, and the detection range beyond camera 23 causes camera 23 that cannot normally detect steel seal.One end position of the stock guide 51 In the feed end of conveyer belt 10, the other end of stock guide 51 is located at the other end of monitor station 20.Stock guide 51 is through entire detection Detection efficiency has been effectively ensured in stroke, avoids that positional shift occurs in 90 transmit process of automotive safety tape frame, improves detection Stability, to ensure that detection efficiency.Specifically, the face that stock guide 51 is contacted with automotive safety tape frame 90 is also equipped with Nylon sheet, nylon sheet and the frictional force of automotive safety tape frame 90 are small, keep the conveying of automotive safety tape frame 90 more smooth.
It further include guide positioning device, the guide positioning device includes Mobile base 41, is equipped with and leads on the Mobile base 41 Flitch 51;Sliding block 42, the sliding block 42 is fixed on the bottom of Mobile base 41, and is located at the two sides of Mobile base 41;Linear guide 43, the linear guide 43 is located at the two sides of conveyer belt 10, and sliding is equipped with sliding block 42 in linear guide 43;Feed screw nut 44, institute Feed screw nut 44 is stated to be fixed on Mobile base 41;Ball screw 47, the ball screw 47 are connect with feed screw nut 44;Bearing block 45, ball screw 47 is housed on the bearing block 45;And positioning motor 46, one end of the positioning motor 46 and ball screw 47 Connection.
Specifically, positioning motor 46 is fixed in conveyor mat 11, positioning motor 46 passes through shaft coupling and ball screw 47 Connection, positioning motor 46 drive ball screw 47 to rotate, and ball screw 47 drives feed screw nut 44 mobile, 44 band of feed screw nut Dynamic Mobile base 41 is mobile, so as to adjust the position of the stock guide 51 of 10 two sides of conveyer belt, and then guarantees automotive safety tape frame 90 Position.Linear guide 43 and bearing block 45 are each attached in conveyor mat 11.Guide is accurately adjusted by ball screw 47 The position of plate 51, and it is fast to regulate the speed, and shortens debug time.

Claims (8)

1. automotive safety tape frame vision inspection apparatus, including the camera (23) for detecting steel seal and for showing steel seal photo Display (22), the camera (23) connect with display (22);It is characterized in that,
It further include conveyer belt (10), there are two the conveyer belt (10) sets, conveyer belt (10) is located at automotive safety tape frame (90) Two sides, conveyer belt (10) is for conveying automotive safety tape frame (90);
Stop gauge, the stop gauge is located at the top of conveyer belt (10), and is located at the discharge end of conveyer belt (10), backgauge dress It sets for successively conveying automotive safety tape frame (90);
One end of monitor station (20), the monitor station (20) is located at the discharge end of conveyer belt (10), the surface of monitor station (20) Equipped with camera (23);
Detection sensor (25), the detection sensor (25) is located at the side of monitor station (20), and is located at car belt frame The top of frame (90);And
It discharges guide plate (71), discharging guide plate (71) is fixed on the other end of monitor station (20), and discharging guide plate (71) inclination is set It sets.
2. automotive safety tape frame vision inspection apparatus according to claim 1, which is characterized in that
It further include retainer seat (31), the retainer seat (31) is located at the inside of conveyer belt (10), and is located under conveyer belt (10) Side, for retainer seat (31) for holding conveyer belt (10), the center of the retainer seat (31) is equipped with bit-avoiding slot (311).
3. automotive safety tape frame vision inspection apparatus according to claim 1, which is characterized in that
It further include stock guide (51), the stock guide (51) is located at the two sides of conveyer belt (10), the automotive safety tape frame (90) it is located between two stock guides (51).
4. automotive safety tape frame vision inspection apparatus according to claim 3, which is characterized in that
One end of the stock guide (51) is located at the feed end of conveyer belt (10), and the other end of stock guide (51) is located at monitor station (20) the other end.
5. automotive safety tape frame vision inspection apparatus according to claim 3 or 4, which is characterized in that
It further include guide positioning device, the guide positioning device includes
Mobile base (41) is equipped with stock guide (51) on the Mobile base (41);
Sliding block (42), the sliding block (42) is fixed on the bottom of Mobile base (41), and is located at the both ends of Mobile base (41);
Linear guide (43), the linear guide (43) are located at the two sides of conveyer belt (10), slide and be equipped in linear guide (43) Sliding block (42);
Feed screw nut (44), the feed screw nut (44) are fixed on Mobile base (41);
Ball screw (47), the ball screw (47) connect with feed screw nut (44);
Bearing block (45) is equipped with ball screw (47) on the bearing block (45);And
Positioning motor (46), the positioning motor (46) connect with one end of ball screw (47).
6. automotive safety tape frame vision inspection apparatus according to claim 3, which is characterized in that
The stop gauge includes
Backgauge wheel (66), the backgauge wheel (66) is located at the top of automotive safety tape frame (90), and is located at car belt frame The center of frame (90);
Backgauge crossbeam (65) is equipped with backgauge wheel (66) on the backgauge crossbeam (65);And
Lifting device, is equipped with backgauge crossbeam (65) on the lifting device, and lifting device is located at the side of conveyer belt (10).
7. automotive safety tape frame vision inspection apparatus according to claim 6, which is characterized in that
The lifting device includes
Lifting seat (61), the lifting seat (61) are located at the side of conveyer belt (10), and lifting seat (61) is equipped with sliding groove, described Sliding groove is vertically arranged;
Sliding seat (63), the sliding seat (63) are slidably mounted in sliding groove, and the two sides of sliding seat (63) are equipped with block, sliding Seat (63) is connect with backgauge crossbeam (65);
Slide damper (64), the slide damper (64) is fixed on the two sides of sliding seat (63), and is located at the top of block, sliding Baffle (64) is for sliding seat (63) to be limited in sliding groove;And
Cylinder (62), the cylinder (62) are fixed on the top of lifting seat (61), piston rod and sliding seat (63) of cylinder (62) Connection.
8. automotive safety tape frame vision inspection apparatus according to claim 1, which is characterized in that
The monitor station (20) is equipped with sliding stand (21), and sliding stand (21) is fixed on the two sides of monitor station (20), sliding stand (21) either flush of top surface and conveyer belt (10), the automotive safety tape frame (90) are located on sliding stand (21).
CN201821950597.6U 2018-11-26 2018-11-26 Automotive safety tape frame vision inspection apparatus Active CN209318207U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821950597.6U CN209318207U (en) 2018-11-26 2018-11-26 Automotive safety tape frame vision inspection apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821950597.6U CN209318207U (en) 2018-11-26 2018-11-26 Automotive safety tape frame vision inspection apparatus

Publications (1)

Publication Number Publication Date
CN209318207U true CN209318207U (en) 2019-08-30

Family

ID=67711433

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821950597.6U Active CN209318207U (en) 2018-11-26 2018-11-26 Automotive safety tape frame vision inspection apparatus

Country Status (1)

Country Link
CN (1) CN209318207U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112044809A (en) * 2020-08-25 2020-12-08 合肥师范学院 Movable intelligent color selector capable of preventing fruit from being damaged
CN113385428A (en) * 2021-07-07 2021-09-14 东莞威仕达汽车零部件有限公司 Full automated inspection of frame machine
CN116061870A (en) * 2023-02-22 2023-05-05 联德精密材料(中国)股份有限公司 Automobile seat safety belt assembly

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112044809A (en) * 2020-08-25 2020-12-08 合肥师范学院 Movable intelligent color selector capable of preventing fruit from being damaged
CN113385428A (en) * 2021-07-07 2021-09-14 东莞威仕达汽车零部件有限公司 Full automated inspection of frame machine
CN116061870A (en) * 2023-02-22 2023-05-05 联德精密材料(中国)股份有限公司 Automobile seat safety belt assembly
CN116061870B (en) * 2023-02-22 2023-09-05 联德精密材料(中国)股份有限公司 Automobile seat safety belt assembly

Similar Documents

Publication Publication Date Title
CN209318207U (en) Automotive safety tape frame vision inspection apparatus
US20190025039A1 (en) Wheel flange planeness detection device
US7448267B2 (en) Tire balancing apparatus
CN104625731B (en) Auto-align multi-station parts mounter
CN105953690B (en) A kind of spline detection machine
CN103895900B (en) A kind of boxing apparatus of battery pack wiring
CN104176476B (en) A kind of product orientation conveying mechanism
CN109502356A (en) It is a kind of can automatic clamping and classify flexible clamp for stacking
CN109047009B (en) Automatic sorting device
CN115463858B (en) Automatic detection device and detection method for aluminum bottle
CN108516344B (en) Automatic adaptation conveyer based on visual detection
CN210308141U (en) Film cutting mechanism
CN111037104A (en) Automatic marking device for valve body speed-multiplying chain conveying line
CN112974284B (en) Integrated IC detection system
CN109373848A (en) Solar components frame mounting hole automatic detection device
CN111038790B (en) Production line automated inspection device of signing a seal
CN105415172B (en) The wear-resistant detection means of phone housing with automatic loading and unloading device
CN211614622U (en) Automatic marking device for valve body speed-multiplying chain conveying line
CN207516770U (en) It is a kind of that there is the machine tool control system of automatic charging
CN113419161A (en) Radio frequency detection device and detection method
CN221149966U (en) Substrate moving system
CN216525396U (en) Processing lines is with qualified detection device of laminating
CN114509033B (en) Automatic detection device for valve conical surface runout and total length of rod
CN220083982U (en) Online thickness measuring device for sealing strip
CN109142936B (en) Automatic detection equipment for delivery of actuator

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant