CN113758923A - Fruit type is inside to be detected and is used annular light path structure - Google Patents

Fruit type is inside to be detected and is used annular light path structure Download PDF

Info

Publication number
CN113758923A
CN113758923A CN202111038319.XA CN202111038319A CN113758923A CN 113758923 A CN113758923 A CN 113758923A CN 202111038319 A CN202111038319 A CN 202111038319A CN 113758923 A CN113758923 A CN 113758923A
Authority
CN
China
Prior art keywords
fruit
annular
fixedly connected
seat
air outlet
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.)
Pending
Application number
CN202111038319.XA
Other languages
Chinese (zh)
Inventor
周虎林
李辉
方彧
方杰
江传圣
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.)
Hefei Jinguoyuan Visual Technology Co ltd
Original Assignee
Hefei Jinguoyuan Visual Technology 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 Hefei Jinguoyuan Visual Technology Co ltd filed Critical Hefei Jinguoyuan Visual Technology Co ltd
Priority to CN202111038319.XA priority Critical patent/CN113758923A/en
Publication of CN113758923A publication Critical patent/CN113758923A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02Cleaning by the force of jets, e.g. blowing-out cavities
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G35/00Mechanical conveyors not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/22Devices influencing the relative position or the attitude of articles during transit by conveyors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01Arrangements or apparatus for facilitating the optical investigation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N2021/8466Investigation of vegetal material, e.g. leaves, plants, fruits

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Sorting Of Articles (AREA)

Abstract

The invention discloses an annular light path structure for detecting the interior of fruits, which comprises a base, wherein the top of the base is fixedly connected with a conveying track, the top of the conveying track is connected with a conveying seat in a sliding manner, the top of the conveying track is fixedly connected with a fence, one side of the fence is fixedly connected with an annular light rail, and the inner cavity of the annular light rail is fixedly connected with a detection lamp; the invention relates to the technical field of fruit detection. This fruit type is inside detects uses annular light path structure, and fruit detects through detecting the lamp in carrying annular light rail, and first rack drives the ring gear rotation this moment, drives fruit and places the seat and rotate, drives fruit and constantly rotates and detect each angle, and self constantly rotates during the transport, guarantees that every angle all receives sufficient illumination, and the light rail detection effect that the cooperation annular detected is better.

Description

Fruit type is inside to be detected and is used annular light path structure
Technical Field
The invention relates to the technical field of fruit detection, in particular to an annular light path structure for detecting the interior of fruits.
Background
Food quality safety is becoming a focus of more and more social attention. With the increasing of fruit yield and the increasing of living standard of people, consumers pay attention to the selection of fruit appearance quality and the internal quality of fruits, such as pesticide residue, heavy metal content and the like. At present, domestic fruit quality grading technology is mature in grading external quality of fruits, such as size, color and the like, in recent years, research on internal quality of the fruits is developed rapidly, most of research is conducted on grading internal quality such as taste and sugar degree, and heavy metal content in the fruits is mostly detected through a light detection device.
However, the existing inspection equipment has the following problems that when the fruit is detected, the fruit cannot be detected at every angle, and detection errors are easily caused due to omission.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an annular light path structure for detecting the interior of fruits, which solves the problems that when fruits are detected, every angle cannot be detected, and detection errors are caused due to omission easily.
In order to achieve the purpose, the invention is realized by the following technical scheme: an annular light path structure for detecting the interior of fruits comprises a base, wherein the top of the base is fixedly connected with a conveying rail, the top of the conveying rail is slidably connected with a conveying seat, the top of the conveying rail is fixedly connected with a fence, one side of the fence is fixedly connected with an annular light rail, and the inner cavity of the annular light rail is fixedly connected with a detection lamp;
the inner chamber of transport seat rotates and is connected with the fruit and places the seat, the bottom fixedly connected with ring gear that the seat was placed to fruit, the bottom of ring gear runs through and extends to the below of transfer track, the top fixedly connected with of base drives actuating cylinder, the fixed surface who drives actuating cylinder piston rod is connected with the sliding seat with the surperficial sliding connection of base, the top fixedly connected with of sliding seat and the first rack of the surface meshing of ring gear, transfer track's bottom fixedly connected with second rack.
As a further scheme of the invention: the top of rail is rotated and is connected with annular and goes out bellows, the surface that the annular goes out bellows has seted up the air outlet, annular goes out bellows and fan intercommunication.
As a further scheme of the invention: the top fixedly connected with mount of rail, the top sliding connection of mount has the bracing piece, the inner chamber threaded connection of mount has the regulation pole, the bottom fixedly connected with of regulation pole and the kicking block of the bottom butt of bracing piece.
As a further scheme of the invention: the top end of the supporting rod is fixedly connected with a push block which is abutted against the bottom of the annular air outlet box.
As a further scheme of the invention: the annular light rails are four in number and are distributed on the top of the conveying track in a pairwise and vertically symmetrical mode.
As a further scheme of the invention: the length of the first rack is longer than the sum of the lengths of the three conveying seats.
As a further scheme of the invention: the use method of the annular light path structure comprises the following steps:
firstly, placing fruits in a fruit placing seat in a conveying seat, conveying the fruits through a conveying track, driving a supporting rod to move up and down by rotating an adjusting rod, lifting the supporting rod to jack up an annular air outlet box, lowering the supporting rod to put down the annular air outlet box to adjust the angle of the annular air outlet box, after the angle adjustment is finished, conveying the conveying seat through the conveying track, moving the conveying seat to a second rack, enabling a gear ring to be in contact with the second rack, then driving the fruit placing seat to rotate, driving the fruit to adjust the angle, and then blowing out air from the annular air outlet box to blow away impurities stained on the surface of the fruits;
step two, after removing impurity, in the annular light rail was carried to fruit, detect through detecting the lamp, first rack drove the ring gear and rotates this moment, drove fruit and place the seat and rotate, drove fruit and constantly rotate and detect each angle, through the delivery track output after finishing detecting, when not needing angle regulation, withdraw and drive actuating cylinder, the band-pass drives first rack through the sliding seat and withdraws.
The invention provides an annular light path structure for detecting the interior of fruits. Compared with the prior art, the method has the following beneficial effects:
1. the utility model provides an inside annular light path structure for measuring of fruit class, fruit carry annular light rail in, detect through detecting the lamp, first rack drives the ring gear rotation this moment, drives fruit and places the seat and rotate, drives fruit and constantly rotates and detect each angle, and self constantly rotates when carrying, guarantees that every angle all receives sufficient illumination, and the light rail detection effect that the cooperation annular detected is better.
2. The utility model provides an inside annular light path structure for measuring of fruit class, through rotating the regulation pole, drives the bracing piece up-and-down motion, the bracing piece rises and goes out bellows jack-up with annular, and the bracing piece descends and puts down annular play bellows and adjust annular play bellows angle, blows off the dirty on fruit surface before measuring, the light path of the later stage of being convenient for detects.
Drawings
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a schematic structural view of a conveying base according to the present invention;
FIG. 3 is a top view of the structure of the annular optical track of the present invention;
FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 5 is a top view of the structure of an annular air outlet box according to the present invention.
In the figure: 1. a base; 2. a conveying track; 3. a conveying seat; 4. a fence; 5. an annular optical track; 6. detecting a light; 7. a fruit placement seat; 8. a ring gear; 9. a driving cylinder; 10. a sliding seat; 11. a first rack; 12. an annular air outlet box; 13. a fixed mount; 14. a support bar; 15. and adjusting the rod.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1-5, the present invention provides a technical solution: an annular light path structure for detecting the interior of fruits comprises a base 1, wherein the top of the base 1 is fixedly connected with a conveying track 2, the top of the conveying track 2 is slidably connected with a conveying seat 3, the top of the conveying track 2 is fixedly connected with a fence 4, one side of the fence 4 is fixedly connected with an annular light rail 5, the inner cavity of the annular light rail 5 is fixedly connected with a detection lamp 6, and fruits are conveyed into the annular light rail 5 and are detected through the detection lamp 6;
the inner cavity of the conveying seat 3 is rotatably connected with a fruit placing seat 7, the bottom of the fruit placing seat 7 is fixedly connected with a gear ring 8, the bottom of the gear ring 8 penetrates and extends to the lower part of the conveying track 2, the top of the base 1 is fixedly connected with a driving cylinder 9, the surface of a piston rod of the driving cylinder 9 is fixedly connected with a sliding seat 10 which is in sliding connection with the surface of the base 1, the top of the sliding seat 10 is fixedly connected with a first rack 11 which is meshed with the surface of the gear ring 8, the first rack 11 drives the gear ring 8 to rotate, the fruit placing seat 7 is driven to rotate, the fruits are driven to rotate continuously to detect various angles, the fruits are output through the conveying track 2 after detection is finished, when the angle adjustment is not needed, the driving cylinder 9 is withdrawn, the belt drives the first rack 11 to be withdrawn through the sliding seat 10, the bottom of the conveying track 2 is fixedly connected with a second rack, the conveying track 2 conveys the conveying seat 3, move to second rack department, ring gear 8 and second rack contact, then drive fruit and place seat 7 and rotate, drive fruit angle regulation, annular play bellows 12 carries out the air-out and blows away the impurity that the fruit surface is infected with this moment.
The top of rail 4 rotates and is connected with annular play bellows 12, the air outlet has been seted up on the surface that annular goes out bellows 12, annular play bellows 12 and fan intercommunication, rail 4's top fixedly connected with mount 13, mount 13's top sliding connection has bracing piece 14, mount 13's inner chamber threaded connection has regulation pole 15, the ejector pad of the bottom fixedly connected with of regulation pole 15 and the bottom butt of bracing piece 14, the ejector pad of the bottom butt of bracing piece 14's top fixedly connected with and annular play bellows 12, through rotating regulation pole 15, drive bracing piece 14 up-and-down motion, bracing piece 14 rises and goes out bellows 12 jack-up with annular play, bracing piece 14 descends and puts down annular play bellows 12 and adjust annular play bellows 12 angle.
The number of the annular light rails 5 is four, and the annular light rails are distributed pairwise and vertically symmetrically on the top of the conveying track 2.
The length of the first rack 11 is longer than the sum of the lengths of the three carriages 3.
The use method of the annular light path structure comprises the following steps:
firstly, fruits are placed in a fruit placing seat 7 in a conveying seat 3 and conveyed through a conveying rail 2, a support rod 14 is driven to move up and down by rotating an adjusting rod 15, the support rod 14 is lifted up to jack an annular air outlet box 12, the support rod 14 is lowered down to lower the annular air outlet box 12 to adjust the angle of the annular air outlet box 12, after the angle adjustment is finished, the conveying rail 2 conveys the conveying seat 3 to move to a second rack, a gear ring 8 is in contact with the second rack and then drives the fruit placing seat 7 to rotate to drive the fruit to adjust the angle, and at the moment, the annular air outlet box 12 blows out air to blow away impurities stained on the surfaces of the fruits;
step two, after removing impurity, fruit is carried in annular light rail 5, detects through detecting lamp 6, and first rack 11 drives ring gear 8 and rotates this moment, drives fruit and places seat 7 and rotate, drives fruit and constantly rotates and detect each angle, detects and finishes later through the delivery track 2 output, when not needing angle regulation, withdraws and drives actuating cylinder 9, and the band-pass drives first rack 11 through sliding seat 10 and withdraws.
When the fruit conveying device is used, fruits are placed in the fruit placing seat 7 in the conveying seat 3 and conveyed through the conveying rail 2, the supporting rod 14 is driven to move up and down by rotating the adjusting rod 15, the supporting rod 14 is lifted up to jack the annular air outlet box 12, the supporting rod 14 is lowered down to put down the annular air outlet box 12 to adjust the angle of the annular air outlet box 12, after the angle adjustment is finished, the conveying rail 2 conveys the conveying seat 3 to move to the second rack, the gear ring 8 is in contact with the second rack and then drives the fruit placing seat 7 to rotate to drive the fruit to adjust the angle, and at the moment, the annular air outlet box 12 blows out air to blow away impurities stained on the surfaces of the fruits; after driving impurity, fruit is carried in annular light rail 5, detects through detecting lamp 6, and first rack 11 drives ring gear 8 and rotates this moment, drives fruit and places seat 7 and rotate, drives fruit and constantly rotates and detect each angle, detects and finishes after through the delivery track 2 output, when not needing angle regulation, withdraws and drives actuating cylinder 9, and the band-pass drives first rack 11 through sliding seat 10 and withdraws.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (7)

1. The utility model provides an inside annular light path structure for measuring of fruit class, includes base (1), the top fixedly connected with delivery track (2) of base (1), the top sliding connection of delivery track (2) has transport seat (3), the top fixedly connected with rail (4) of delivery track (2), its characterized in that: one side of the fence (4) is fixedly connected with an annular light rail (5), and the inner cavity of the annular light rail (5) is fixedly connected with a detection lamp (6);
the inner chamber of transport seat (3) rotates and is connected with fruit and places seat (7), the bottom fixedly connected with ring gear (8) of seat (7) are placed to fruit, the bottom of ring gear (8) is run through and is extended to the below of delivery track (2), the top fixedly connected with of base (1) drives actuating cylinder (9), the fixed surface that drives actuating cylinder (9) piston rod is connected with sliding seat (10) with the sliding surface connection of base (1), the top fixedly connected with of sliding seat (10) and first rack (11) of the surface meshing of ring gear (8), the bottom fixedly connected with second rack of delivery track (2).
2. The annular optical path structure for fruit internal detection according to claim 1, wherein: the top of rail (4) rotates and is connected with annular air outlet box (12), the air outlet has been seted up on the surface of annular air outlet box (12), annular air outlet box (12) and fan intercommunication.
3. The annular optical path structure for fruit internal detection according to claim 1, wherein: the top fixedly connected with mount (13) of rail (4), the top sliding connection of mount (13) has bracing piece (14), the inner chamber threaded connection of mount (13) has regulation pole (15), the kicking block of the bottom fixedly connected with of adjusting pole (15) and the bottom butt of bracing piece (14).
4. The annular optical path structure for fruit internal detection according to claim 3, wherein: the top end of the supporting rod (14) is fixedly connected with a push block which is abutted against the bottom of the annular air outlet box (12).
5. The annular optical path structure for fruit internal detection according to claim 1, wherein: the number of the annular light rails (5) is four, and the annular light rails are distributed on the top of the conveying track (2) in a pairwise up-down symmetrical mode.
6. The annular optical path structure for fruit internal detection according to claim 1, wherein: the length of the first rack (11) is longer than the sum of the lengths of the three conveying seats (3).
7. The annular optical path structure for fruit internal detection according to claim 1, wherein: the use method of the annular light path structure comprises the following steps:
firstly, fruits are placed in a fruit placing seat (7) in a conveying seat (3) and conveyed through a conveying rail (2), a supporting rod (14) is driven to move up and down by rotating an adjusting rod (15), the supporting rod (14) is lifted to jack up an annular air outlet box (12), the supporting rod (14) is lowered to put down the annular air outlet box (12) to adjust the angle of the annular air outlet box (12), after the angle adjustment is finished, the conveying rail (2) conveys the conveying seat (3) and moves to a second rack, a gear ring (8) is in contact with the second rack, then the fruit placing seat (7) is driven to rotate to drive the fruit to adjust the angle, and at the moment, the annular air outlet box (12) is used for air outlet to blow away impurities stained on the surfaces of the fruits;
step two, after removing impurity, fruit is carried in annular light rail (5), detect through detecting lamp (6), first rack (11) this moment drives ring gear (8) and rotates, drive fruit and place seat (7) and rotate, drive fruit and constantly rotate and detect each angle, through delivery track (2) output after detecting and finishing, when not needing angle regulation, withdraw and drive actuating cylinder (9), the band-pass drives first rack (11) through sliding seat (10) and withdraws.
CN202111038319.XA 2021-09-06 2021-09-06 Fruit type is inside to be detected and is used annular light path structure Pending CN113758923A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111038319.XA CN113758923A (en) 2021-09-06 2021-09-06 Fruit type is inside to be detected and is used annular light path structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111038319.XA CN113758923A (en) 2021-09-06 2021-09-06 Fruit type is inside to be detected and is used annular light path structure

Publications (1)

Publication Number Publication Date
CN113758923A true CN113758923A (en) 2021-12-07

Family

ID=78793149

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111038319.XA Pending CN113758923A (en) 2021-09-06 2021-09-06 Fruit type is inside to be detected and is used annular light path structure

Country Status (1)

Country Link
CN (1) CN113758923A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08187468A (en) * 1995-01-09 1996-07-23 Techno Ishii:Kk Quality evaluation apparatus
CN1357103A (en) * 1999-06-21 2002-07-03 株式会社果实非破坏品质研究所 Side multi-lamp on-line inside quality inspecting device
CN1376263A (en) * 1999-09-24 2002-10-23 株式会社果实非破坏品质研究所 Two side multiple lamp online inner purt inspection apparatus
JP2006098108A (en) * 2004-09-28 2006-04-13 Mitsui Mining & Smelting Co Ltd Internal quality evaluation device for produce
CN102928357A (en) * 2012-11-14 2013-02-13 浙江大学 Rapid nondestructive on-line detection system for fruit quality based on near infrared/visible light
CN107621460A (en) * 2016-07-15 2018-01-23 华东交通大学 A kind of near infrared spectrum diffusing transmission technology yellow peach implicit damage and pol while on-line measuring device and method
CN111443060A (en) * 2020-05-15 2020-07-24 广东省农业科学院农产品公共监测中心 Target self-adaptive visible near-infrared detection light source posture adjusting device and method
CN112573090A (en) * 2020-11-24 2021-03-30 塔里木大学 A rotary conveying clamping device for bergamot pear detects

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08187468A (en) * 1995-01-09 1996-07-23 Techno Ishii:Kk Quality evaluation apparatus
CN1357103A (en) * 1999-06-21 2002-07-03 株式会社果实非破坏品质研究所 Side multi-lamp on-line inside quality inspecting device
CN1376263A (en) * 1999-09-24 2002-10-23 株式会社果实非破坏品质研究所 Two side multiple lamp online inner purt inspection apparatus
JP2006098108A (en) * 2004-09-28 2006-04-13 Mitsui Mining & Smelting Co Ltd Internal quality evaluation device for produce
CN102928357A (en) * 2012-11-14 2013-02-13 浙江大学 Rapid nondestructive on-line detection system for fruit quality based on near infrared/visible light
CN107621460A (en) * 2016-07-15 2018-01-23 华东交通大学 A kind of near infrared spectrum diffusing transmission technology yellow peach implicit damage and pol while on-line measuring device and method
CN111443060A (en) * 2020-05-15 2020-07-24 广东省农业科学院农产品公共监测中心 Target self-adaptive visible near-infrared detection light source posture adjusting device and method
CN112573090A (en) * 2020-11-24 2021-03-30 塔里木大学 A rotary conveying clamping device for bergamot pear detects

Similar Documents

Publication Publication Date Title
CN210703609U (en) Workbench lifting mechanism
CN104609196B (en) A kind of pattern equipment the most up and down
CN202854056U (en) Double-station laser speckle tire non-destructive detector
CN107121392A (en) A kind of novel geological rock core scanning integrated machine
CN206862912U (en) Tire checkup device
CN111056277B (en) Automatic overturning, stacking and sorting machine for plates
CN108454945A (en) A kind of mobile phone display screen automatic packing device
CN113758923A (en) Fruit type is inside to be detected and is used annular light path structure
CN209506784U (en) One kind starting machine testing rise and fall roller
CN109502234B (en) Lifting roller way for engine detection
CN113927287B (en) Disassembly and assembly maintenance equipment and method for gear speed change atomizer
CN205575072U (en) Over -and -under type feeding mechanical arm
CN115520710A (en) Stringing construction device for power equipment installation
CN208559827U (en) A kind of packing apparatus of food processing conveyer belt
CN205621760U (en) Solar cell panel reprocesses production line
CN111348439B (en) Automatic board changing device
CN210863582U (en) Water heater inner container detection system
CN114161561A (en) Aerial fixed edge cleaner
CN203791663U (en) Vertical rocker drilling machine
CN221325446U (en) Flatness detection equipment for production raw materials of civil air defense door
CN115649805B (en) Defect sorting and visual detection device for wood processing and manufacturing
CN110346383A (en) Water heater inner container detection system
CN208621607U (en) A kind of defect-detecting equipment of adjustable connection line length
CN206351930U (en) Tire connects tire machine
CN220740618U (en) Sleeve polishing device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination