CN105922619A - Iron chip briquetting device - Google Patents

Iron chip briquetting device Download PDF

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Publication number
CN105922619A
CN105922619A CN201610449511.0A CN201610449511A CN105922619A CN 105922619 A CN105922619 A CN 105922619A CN 201610449511 A CN201610449511 A CN 201610449511A CN 105922619 A CN105922619 A CN 105922619A
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CN
China
Prior art keywords
cylinder
folding
bearing
frame
discharging
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Granted
Application number
CN201610449511.0A
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Chinese (zh)
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CN105922619B (en
Inventor
李晓栋
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.)
Qingdao Dexin Resources Development Co., Ltd.
Original Assignee
Tongxiang City Paulownia Moral Electric Power Accessory 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.)
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Application filed by Tongxiang City Paulownia Moral Electric Power Accessory Co Ltd filed Critical Tongxiang City Paulownia Moral Electric Power Accessory Co Ltd
Priority to CN201610449511.0A priority Critical patent/CN105922619B/en
Publication of CN105922619A publication Critical patent/CN105922619A/en
Application granted granted Critical
Publication of CN105922619B publication Critical patent/CN105922619B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B9/00Presses specially adapted for particular purposes
    • B30B9/32Presses specially adapted for particular purposes for consolidating scrap metal or for compacting used cars
    • B30B9/327Presses specially adapted for particular purposes for consolidating scrap metal or for compacting used cars for briquetting scrap metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/30Feeding material to presses
    • B30B15/302Feeding material in particulate or plastic state to moulding presses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/32Discharging presses

Abstract

The invention provides an iron chip briquetting device, and belongs to the technical field of metal chip briquetting machines. The iron chip briquetting device comprises a feeding mechanism, a briquetting mechanism and a discharge mechanism; an extrusion block of the briquetting mechanism is arranged in a frame in a up-down sliding manner; a vertical groove and a horizontal groove are staggered in a feeding support base of the feeding mechanism; the lower end of a folding piston rod of a folding module is connected with a folding pressure head; a pushing piston rod of a pushing module is connected with a pushing plate; the pushing plate is slidingly arranged in the horizontal groove; two ends of an opening/closing cylinder of the discharge mechanism are respectively hinged with a first support lug and a second support lug; a discharge support base is hinged to a cross beam; a slide rod is slidingly arranged in the discharge support base; the upper end of the slide rod is connected with a piston rod of an extension cylinder; and one end of a swing cylinder is hinged with a third support lug, and the other end is hinged with the upper end of the discharge support base. The iron chip briquetting device not only can realize quick feeding and briquetting of strip metal wires, but also can realize automatic discharge of molded briquetted blocks, and is high in automation degree.

Description

A kind of iron filings briquetting device
Technical field
The present invention relates to metal scrap briquetting machine technical field, particularly to a kind of iron filings briquetting device.
Background technology
Iron filings cuber is metal scrap briquetting machine type name a kind of specialty type now, is mainly used for by high pressure, the raw metals such as cast-iron scrap, high-quality Iron Ore Powder are directly cold-pressed into cylinder cake block, in order to the loss during accumulating and minimizing recycling.Iron filings cuber is divided into vertical type and two kinds of forms of horizontal type on type is classified.Vertical type is to be widely used type now, and design type is many, and the type of pressure size, yield height all can realize, and has wide range of applications;Horizontal type is due to master cylinder traverse, sealing member affects because of action of gravity, after design pressure increases, seal loading imbalance concentrated wear is bigger, service life weakens significantly, cannot meet the requirement that big yield uses the most continuously, the little tonnage type of many uses (design pressure should be less than 2000KN), range of application is less.It is made up of frame, main hydraulic cylinder, pusher hydraulic cylinder, base plate hydraulic cylinder, supporting framed and mould, pressure head etc..Iron filings cuber host machine part is mainly made up of lower and upper cross-member, column, lower and upper cross-member is all made by casting 45# entirety steel part, lower and upper cross-member is connected by interior outer nut with four root posts, bear tension force during work, main hydraulic cylinder stops steel-casting, eliminate safe hidden trouble, it is ensured that the service life of equipment and safety in utilization.The iron filings cuber of this structure is highly effective for the iron filings very briquetting of fritter, but the iron filings for strip, particularly machining gets off the tinsel of strip formed due to bigger length and good toughness, charging time extremely difficult, it is more difficult to carry out briquetting, and after compound stalk forming, discharging is by being accomplished manually, and production efficiency is the lowest.
Summary of the invention
It is an object of the invention to provide a kind of iron filings briquetting device, not only can realize the quick feeding wiry to strip and briquetting, and can realize self-emptying after compound stalk forming, rational in infrastructure, automaticity is high.
The technical solution adopted for the present invention to solve the technical problems is:
nullA kind of iron filings briquetting device,It includes feeding mechanism、Forming machanism、Discharging mechanism,Described feeding mechanism is arranged on the front side of forming machanism,Residing discharging mechanism is arranged on the rear side of forming machanism,Described forming machanism includes frame、Supporting leg、Crushing block、Prop up bearing、Binder oil cylinder、Guide rod、Guide holder、Charging aperture、Feeding guide-plate、Discharge door,Described supporting leg is arranged on the lower section of frame,Described bearing is horizontally fixed in frame,Described crushing block can slide up and down and be arranged in frame,And it is positioned at the top of a bearing,Described guide rod is vertically fixed on the upper end of crushing block,Described guide holder is vertically fixed on the upper end of frame,Described guide rod and guide holder slidable connection,Described binder oil cylinder includes binder cylinder body and binder piston rod,Described binder cylinder body is fixed in frame,The lower end of described binder piston rod and crushing block connect,The front side of described frame is provided with charging aperture,The lower end of described charging aperture is provided with feeding guide-plate,The hinged rear side being arranged on frame of described discharge door,Described feeding mechanism includes hopper、Charging bearing、Folding material assembly、Pushing material component,Described charging is propped up bearing and is submitted mistake and be provided with vertical hopper and horizontal hopper,Described hopper is arranged on the top of vertical hopper,Described folding material assembly includes rolling over material oil cylinder、Folding material pressure head、Folding material supporting,Described folding material oil cylinder includes folding material cylinder body and folding material piston rod,Described folding material cylinder body is fixed in folding material supporting,The lower end of described folding material piston rod connects folding material pressure head,Described pushing material component includes pusher oil cylinder、Scraping wings、Pusher supports,Described pusher oil cylinder includes pusher cylinder body、Pushing piston bar,Described pusher cylinder body is fixed in pusher supporting,Described pushing piston bar connects scraping wings,Described scraping wings is slidably arranged in horizontal hopper,Described discharging mechanism includes the first journal stirrup、Second journal stirrup、Opening and closing cylinder、Cylinder saddle、Crossbeam、Telescopic cylinder、Oscillating cylinder、Bearing is propped up in discharging、Slide bar、Material hook、3rd journal stirrup,The rear side of described cylinder saddle fixed frame,Described first journal stirrup is arranged on discharge door,Described second journal stirrup is arranged on cylinder saddle,Two ends respectively with the first journal stirrup and second journal stirrup of described opening and closing cylinder are hinged,Described crossbeam is also horizontally fixed on the rear side of frame,Described discharging is propped up bearing and is hinged on crossbeam,Described slide bar is slidably arranged on discharging and props up in bearing,The upper end of described slide bar and the piston rod of telescopic cylinder connect,The cylinder body of described telescopic cylinder is fixed on discharging and props up the upper end of bearing,Described 3rd journal stirrup is arranged on crossbeam,One end and the 3rd journal stirrup of described oscillating cylinder are hinged,The upper end thereof of bearing is propped up in the other end of described oscillating cylinder and discharging.
Further, the shape of described vertical hopper is identical with the shape of folding material pressure head, is wide at the top and narrow at the bottom.
Further, the lower end of described folding material pressure head is provided with pressure transducer.
Further, the quantity of described folding material oil cylinder and pusher oil cylinder is three.
Further, the rear side of described discharging mechanism is provided with briquetting and collects dolly.
Compared to the prior art the present invention, has the following advantages and effect: feeding mechanism realizes the quick feeding of iron filings, and forming machanism achieves the briquetting to iron filings, and discharging mechanism achieves self-emptying after compound stalk forming.Iron filings (including the tinsel of strip) are in pouring hopper into, folding material oil cylinder action, by folding material pressure head, the tinsel of the strip in iron filings is carried out collapsible and fall into vertical hopper, vertically the shape of hopper is identical with the shape of folding material pressure head, it is wide at the top and narrow at the bottom, beneficially the tinsel collapsible of strip.The lower end of folding material pressure head is provided with pressure transducer, when folding material pressure head completes folding material, bigger pressure activated pressure transducer, thus triggers pusher cylinder action.Iron filings are pushed in frame by scraping wings by then pusher cylinder action, and the lower end of charging aperture is provided with feeding guide-plate, and beneficially iron filings rapidly enter forming machanism.The quantity of folding material oil cylinder and pusher oil cylinder is three, and active force is big, effective.Binder oil cylinder drives crushing block sharp downward movement, it is achieved the briquetting to iron filings.Then opening and closing cylinder shrinks, and discharge door is opened, and oscillating cylinder shrinks, and bearing clockwise oscillation is propped up in discharging, telescopic cylinder action, drives material hook protruding by slide bar, hooks briquetting, the piston rod of last oscillating cylinder stretches out, and bearing counter-clockwise swing is propped up in discharging, it is achieved the discharging of briquetting.Guide rod and guide holder slidable connection, guide rod and guide holder beneficially crushing block are smoothly moved up and down, good reliability.The rear side of discharging mechanism is provided with briquetting and collects dolly, is advantageously implemented quickly collecting and transport briquetting.The present invention not only can realize the quick feeding wiry to strip and briquetting, and can realize self-emptying after compound stalk forming, rational in infrastructure, and automaticity is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the A-A direction view of Fig. 1 of the present invention.
Fig. 3 is the partial enlarged drawing B of Fig. 1 of the present invention.
nullIn figure: 1. feeding mechanism,2. forming machanism,3. discharging mechanism,4. frame,5. supporting leg,6. crushing block,7. a bearing,8. binder oil cylinder,9. guide rod,10. guide holder,11. charging apertures,12. feeding guide-plates,13. discharge doors,14. binder cylinder bodies,15. binder piston rods,16. hoppers,17. charging bearings,18. folding material assemblies,19. pushing material components,20. vertical hoppers,21. horizontal hoppers,22. folding material oil cylinders,23. folding material pressure heads,24. folding material supportings,25. folding material cylinder bodies,26. folding material piston rods,27. pusher oil cylinders,28. scraping wings,29. pusher supportings,30. pusher cylinder bodies,31. pushing piston bars,32. first journal stirrups,33. second journal stirrups,34. opening and closing cylinders,35. cylinder saddles,36. crossbeams,37. telescopic cylinders,38. oscillating cylinders,Bearing is propped up in 39. dischargings,40. slide bars,41. material hooks,42. the 3rd journal stirrups.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following example are explanation of the invention and the invention is not limited in following example.
As shown in Figure 1, Figure 2 and Figure 3, a kind of iron filings briquetting device, it includes feeding mechanism 1, forming machanism 2, discharging mechanism 3, described feeding mechanism 1 is arranged on the front side of forming machanism 2, residing discharging mechanism 3 is arranged on the rear side of forming machanism 2, feeding mechanism 1 realizes the quick feeding of iron filings, and forming machanism 2 achieves the briquetting to iron filings, and discharging mechanism 3 achieves self-emptying after compound stalk forming.Described forming machanism 2 includes frame 4, supporting leg 5, crushing block 6, prop up bearing 7, binder oil cylinder 8, guide rod 9, guide holder 10, charging aperture 11, feeding guide-plate 12, discharge door 13, described supporting leg 5 is arranged on the lower section of frame 4, described bearing 7 is horizontally fixed in frame 4, described crushing block 6 can slide up and down and be arranged in frame 4, and it is positioned at the top of a bearing 7, described guide rod 9 is vertically fixed on the upper end of crushing block 6, described guide holder 10 is vertically fixed on the upper end of frame 4, described guide rod 9 and guide holder 10 slidable connection, guide rod 9 and guide holder 10 beneficially crushing block about 6 is smoothly moved, good reliability.Described binder oil cylinder 8 includes that binder cylinder body 14 and binder piston rod 15, described binder cylinder body 14 are fixed in frame 4, and lower end and the crushing block 6 of described binder piston rod 15 connect.The front side of described frame 4 is provided with charging aperture 11, and the lower end of described charging aperture 11 is provided with feeding guide-plate 12, beneficially iron filings and rapidly enters forming machanism 2.The hinged rear side being arranged on frame 4 of described discharge door 13.Described feeding mechanism 1 includes hopper 16, charging bearing 17, folding material assembly 18, pushing material component 19, described charging is propped up and is staggeredly equipped with vertical hopper 20 and horizontal hopper 21 in bearing 17, described hopper 16 is arranged on the top of vertical hopper 20, described folding material assembly 18 includes rolling over material oil cylinder 22, folding material pressure head 23, folding material supporting 24, described folding material oil cylinder 22 includes folding material cylinder body 25 and folding material piston rod 26, described folding material cylinder body 25 is fixed in folding material supporting 24, the lower end of described folding material piston rod 26 connects folding material pressure head 23, the shape of described vertical hopper 20 is identical with the shape of folding material pressure head 23, it is wide at the top and narrow at the bottom, be conducive to the tinsel collapsible of strip.The lower end of described folding material pressure head 23 is provided with pressure transducer, when folding material pressure head 23 completes folding material, bigger pressure activated pressure transducer, thus triggers pusher oil cylinder 27 action.Described pushing material component 19 includes pusher oil cylinder 27, scraping wings 28, pusher supporting 29, described pusher oil cylinder 27 includes pusher cylinder body 30, pushing piston bar 31, described pusher cylinder body 30 is fixed in pusher supporting 29, described pushing piston bar 31 connects scraping wings 28, described scraping wings 28 is slidably arranged in horizontal hopper 21, the quantity of described folding material oil cylinder 22 and pusher oil cylinder 27 is three, and active force is big, effective.Described discharging mechanism 3 includes that bearing 39, slide bar 40, material hook the 41, the 3rd journal stirrup 42 are propped up in first journal stirrup the 32, second journal stirrup 33, opening and closing cylinder 34, cylinder saddle 35, crossbeam 36, telescopic cylinder 37, oscillating cylinder 38, discharging, the rear side of described cylinder saddle 35 fixed frame 4, described first journal stirrup 32 is arranged on discharge door 13, described second journal stirrup 33 is arranged on cylinder saddle 35, and two ends respectively with the first journal stirrup 32 of described opening and closing cylinder 34 and the second journal stirrup 33 are hinged.Described crossbeam 36 is also horizontally fixed on the rear side of frame 4, described discharging is propped up bearing 39 and is hinged on crossbeam 36, described slide bar 40 is slidably arranged on discharging and props up in bearing 39, the upper end of described slide bar 40 and the piston rod of telescopic cylinder 37 connect, the cylinder body of described telescopic cylinder 37 is fixed on discharging and props up the upper end of bearing 39, described 3rd journal stirrup 42 is arranged on crossbeam 36, one end and the 3rd journal stirrup 42 of described oscillating cylinder 38 are hinged, and the upper end thereof of bearing 39 is propped up in the other end of described oscillating cylinder 38 and discharging.The rear side of described discharging mechanism 3 is provided with briquetting and collects dolly, is advantageously implemented quickly collecting and transport briquetting.
Pass through technique scheme, when one iron filings briquetting device of the present invention uses, iron filings (including the tinsel of strip) are in pouring hopper 16 into, folding material oil cylinder 22 action, by folding material pressure head 23, the tinsel of the strip in iron filings is carried out collapsible and fall into vertical hopper 20, then pusher oil cylinder 27 action, by scraping wings 28, iron filings are pushed in frame 4, binder oil cylinder 8 drives crushing block 6 sharp downward movement, it is achieved the briquetting to iron filings.Then opening and closing cylinder 34 shrinks, discharge door 13 is opened, oscillating cylinder 38 shrinks, bearing 39 clockwise oscillation, telescopic cylinder 37 action are propped up in discharging, drive material hook 41 protruding by slide bar 40, hook briquetting, the piston rod of last oscillating cylinder 38 stretches out, and bearing 39 counter-clockwise swing is propped up in discharging, it is achieved the discharging of briquetting.The present invention not only can realize the quick feeding wiry to strip and briquetting, and can realize self-emptying after compound stalk forming, rational in infrastructure, and automaticity is high.
Above content described in this specification is only illustration made for the present invention.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by those skilled in the art; without departing from the content of description of the invention or surmount scope defined in the claims, protection scope of the present invention all should be belonged to.

Claims (5)

  1. null1. an iron filings briquetting device,It is characterized in that: it includes feeding mechanism、Forming machanism、Discharging mechanism,Described feeding mechanism is arranged on the front side of forming machanism,Residing discharging mechanism is arranged on the rear side of forming machanism,Described forming machanism includes frame、Supporting leg、Crushing block、Prop up bearing、Binder oil cylinder、Guide rod、Guide holder、Charging aperture、Feeding guide-plate、Discharge door,Described supporting leg is arranged on the lower section of frame,Described bearing is horizontally fixed in frame,Described crushing block can slide up and down and be arranged in frame,And it is positioned at the top of a bearing,Described guide rod is vertically fixed on the upper end of crushing block,Described guide holder is vertically fixed on the upper end of frame,Described guide rod and guide holder slidable connection,Described binder oil cylinder includes binder cylinder body and binder piston rod,Described binder cylinder body is fixed in frame,The lower end of described binder piston rod and crushing block connect,The front side of described frame is provided with charging aperture,The lower end of described charging aperture is provided with feeding guide-plate,The hinged rear side being arranged on frame of described discharge door,Described feeding mechanism includes hopper、Charging bearing、Folding material assembly、Pushing material component,Described charging is propped up bearing and is submitted mistake and be provided with vertical hopper and horizontal hopper,Described hopper is arranged on the top of vertical hopper,Described folding material assembly includes rolling over material oil cylinder、Folding material pressure head、Folding material supporting,Described folding material oil cylinder includes folding material cylinder body and folding material piston rod,Described folding material cylinder body is fixed in folding material supporting,The lower end of described folding material piston rod connects folding material pressure head,Described pushing material component includes pusher oil cylinder、Scraping wings、Pusher supports,Described pusher oil cylinder includes pusher cylinder body、Pushing piston bar,Described pusher cylinder body is fixed in pusher supporting,Described pushing piston bar connects scraping wings,Described scraping wings is slidably arranged in horizontal hopper,Described discharging mechanism includes the first journal stirrup、Second journal stirrup、Opening and closing cylinder、Cylinder saddle、Crossbeam、Telescopic cylinder、Oscillating cylinder、Bearing is propped up in discharging、Slide bar、Material hook、3rd journal stirrup,The rear side of described cylinder saddle fixed frame,Described first journal stirrup is arranged on discharge door,Described second journal stirrup is arranged on cylinder saddle,Two ends respectively with the first journal stirrup and second journal stirrup of described opening and closing cylinder are hinged,Described crossbeam is also horizontally fixed on the rear side of frame,Described discharging is propped up bearing and is hinged on crossbeam,Described slide bar is slidably arranged on discharging and props up in bearing,The upper end of described slide bar and the piston rod of telescopic cylinder connect,The cylinder body of described telescopic cylinder is fixed on discharging and props up the upper end of bearing,Described 3rd journal stirrup is arranged on crossbeam,One end and the 3rd journal stirrup of described oscillating cylinder are hinged,The upper end thereof of bearing is propped up in the other end of described oscillating cylinder and discharging.
  2. A kind of iron filings briquetting device the most according to claim 1, it is characterised in that: the shape of described vertical hopper is identical with the shape of folding material pressure head, is wide at the top and narrow at the bottom.
  3. A kind of iron filings briquetting device the most according to claim 1, it is characterised in that: the lower end of described folding material pressure head is provided with pressure transducer.
  4. A kind of iron filings briquetting device the most according to claim 1, it is characterised in that: the quantity of described folding material oil cylinder and pusher oil cylinder is three.
  5. A kind of iron filings briquetting device the most according to claim 1, it is characterised in that: the rear side of described discharging mechanism is provided with briquetting and collects dolly.
CN201610449511.0A 2016-06-21 2016-06-21 A kind of iron filings briquetting device Active CN105922619B (en)

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CN105922619B CN105922619B (en) 2017-09-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108582842A (en) * 2018-02-27 2018-09-28 荆门市格林美新材料有限公司 A kind of automotive oil tank recovery system
CN110408784A (en) * 2019-08-09 2019-11-05 江苏盟杰新能源科技有限公司 A kind of tin reclaimer and its working method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008212973A (en) * 2007-03-02 2008-09-18 Asahi Breweries Ltd Can press apparatus
CN203210736U (en) * 2013-04-25 2013-09-25 江苏东方液压有限公司 Automatic feeding and discharging device for metal scrap briquetting hydraulic machine
CN103407714A (en) * 2013-08-21 2013-11-27 福州广辉环保卫生设备有限公司 Storable type pollution-free waste briquetting machine
CN204076887U (en) * 2014-09-16 2015-01-07 石家庄富邦冶金科技有限公司 Novel iron briquetting machine
CN204725887U (en) * 2015-05-06 2015-10-28 河南省杜甫机械制造有限公司 Lick automatic hydraulic cuber
CN205800270U (en) * 2016-06-21 2016-12-14 桐乡市桐德电力配件有限公司 A kind of iron filings briquetting device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008212973A (en) * 2007-03-02 2008-09-18 Asahi Breweries Ltd Can press apparatus
CN203210736U (en) * 2013-04-25 2013-09-25 江苏东方液压有限公司 Automatic feeding and discharging device for metal scrap briquetting hydraulic machine
CN103407714A (en) * 2013-08-21 2013-11-27 福州广辉环保卫生设备有限公司 Storable type pollution-free waste briquetting machine
CN204076887U (en) * 2014-09-16 2015-01-07 石家庄富邦冶金科技有限公司 Novel iron briquetting machine
CN204725887U (en) * 2015-05-06 2015-10-28 河南省杜甫机械制造有限公司 Lick automatic hydraulic cuber
CN205800270U (en) * 2016-06-21 2016-12-14 桐乡市桐德电力配件有限公司 A kind of iron filings briquetting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108582842A (en) * 2018-02-27 2018-09-28 荆门市格林美新材料有限公司 A kind of automotive oil tank recovery system
CN110408784A (en) * 2019-08-09 2019-11-05 江苏盟杰新能源科技有限公司 A kind of tin reclaimer and its working method

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Inventor after: Liu Zhaotao

Inventor before: Li Xiaodong

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Effective date of registration: 20170817

Address after: 266000 room A267, No. 517, Weihe Road, Qingdao economic and Technological Development Zone, Shandong, China

Applicant after: Shandong century Longxin environmental protection machinery manufacturing Co., Ltd.

Address before: 314513 Jiaxing City, Zhejiang Province, the town of the village of the town of Stephen Chau Road

Applicant before: Tongxiang City paulownia moral electric power accessory Co., Ltd

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Effective date of registration: 20180503

Address after: 266510 Qingdao District, Huangdao, Shandong.

Patentee after: Qingdao Dexin Resources Development Co., Ltd.

Address before: 266000 room A267, 517 Weihe Road, Qingdao economic and Technological Development Zone, Shandong

Patentee before: Shandong century Longxin environmental protection machinery manufacturing Co., Ltd.