CN104353775B - Automatic moulding machine of a kind of removable suspension hook of mould - Google Patents
Automatic moulding machine of a kind of removable suspension hook of mould Download PDFInfo
- Publication number
- CN104353775B CN104353775B CN201410581730.5A CN201410581730A CN104353775B CN 104353775 B CN104353775 B CN 104353775B CN 201410581730 A CN201410581730 A CN 201410581730A CN 104353775 B CN104353775 B CN 104353775B
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- Prior art keywords
- mould
- clamping
- contiguous block
- mold
- frame
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/72—Making machine elements hooks, e.g. crane hooks, railway track spikes
Abstract
Automatic moulding machine of a kind of removable suspension hook of mould, it mainly comprises fixed frame, rotates frame, central axis component, rotational power mechanism, clamp mechanism and rotation mould propulsive mechanism. Wherein, above the fixed frame that lower end fixes on the ground, be provided with slideway and screw; Rotating mould actuating unit mainly comprises three hydraulic motors, forges gear, turns round and support and rotate frame; Above should supporting the rotation frame being connected with revolution, be provided with slideway, screw and mould propulsive mechanism; Mould propulsive mechanism mainly comprises rotating hydraulic cylinder, rotates mould contiguous block and rotates mould; Clamp mechanism mainly comprises that main quilt moves clamping hydraulic cylinder, clamps contiguous block and clamping mold; Central axis component mainly comprises central shaft, upper Lower shaft sleeve, bearing, upper and lower end cap and fixing round platform. Production efficiency of the present invention is high, labour cost is low, easy to operate, automaticity is high, and mould is replaceable, is suitable for plurality of specifications suspension hook in enormous quantities and produces.
Description
Technical field
The present invention relates to a kind of suspension hook automatic moulding machine.
Background technology
Suspension hook is most widely used a kind of load-engaging device on hoisting machinery, is also the main carrying of hoisting machineryParts. Traditional suspension hook manufacture is, after suspension hook raw material are heated to the condition of high temperature, to enter by pressing equipmentThe pier of row multiple working procedure is thick, after pulling, bending, then carry out repeatedly die forging and complete. In whole processing technologyEach procedure often needs Multi-step forming just can reach ideal effect, and the suspension hook of same specification is in punch processProcess in often need to change multiple kinds of molds and carry out the requirement in punching press guarantee size and precision, per passThe control of operation mainly completes by manual operation. Therefore, traditional process technology, although can processGo out the reliable suspension hook of quality, but its production efficiency is low, labour cost is high, workman's troublesome poeration, work are strongDegree is large, be not suitable for automatic control and production in enormous quantities.
Summary of the invention
The invention provides that a kind of production efficiency is high, labour cost is low, easy to operate, automaticity is high, suitableAutomatic moulding machine of the removable suspension hook of mould of producing in enormous quantities in plurality of specifications.
Technical scheme of the present invention is as follows:
The present invention mainly comprises fixed frame, rotates frame, central axis component, rotational power mechanism, clampingMechanism and rotation mould propulsive mechanism. Wherein, three of rotational power mechanism hydraulic motors are by bolt and liquidPressure motor bearing is connected, and hydraulic motor bearing is fixed on ground by foundation bolt, three hydraulic motors defeatedShaft is connected with the central shaft that forges gear by spline, and these three are forged gear and all support with same revolutionExternal toothing is meshed, and the ring gear that revolution is supported is connected with one end of right-angle baffle by bolt, right-angle baffleThe other end by bolt with rotate frame bottom and be connected. Rotate frame and be welded by steel plate and ring, turnOn motivation frame, plane is provided with dovetail grooved slideway and retaining thread hole, is distributed with rotation mould and pushes away in rotation frameEnter mechanism, rotate mould propulsive mechanism and comprise rotating hydraulic cylinder, rotate mould contiguous block, rotate die supports and moldWith rotation mould. The cylinder body of rotating hydraulic cylinder is secured by bolts in and rotates plane in frame, rotating hydraulic cylinderPiston rod end thread connect a big nut, rotating hydraulic cylinder piston rod end penetrate rotate mould connectConnect the through hole of piece, big nut is fixedly linked rotating hydraulic cylinder piston rod and rotation mould contiguous block, rotates mouldTool contiguous block meshes together with rotation die supports and mold, rotates the bottom of mould contiguous block and rotation die supports and moldBe provided with dovetail trench structure, rotate mould contiguous block and rotate die supports and mold by dovetail groove and the rotation of bottomIn frame, the slide rail of plane is connected, and rotating mould is circular ring type sleeve, and sleeve outside is processed with and concaves for one weekSunken arc-shaped curved surface, curved surface can be processed according to the suspension hook of different model, and bearing pin is through rotating in mouldRing, rotating mould has the axial rotation free degree, and does not move axially the free degree, and bearing pin two ends distribute respectivelyHave upper and lower end cap, upper and lower end cap is fixed in the circular hole that rotates die supports and mold rotating mould, and pin shaft end is logicalCross square key and be connected with rotation die supports and mold, the axial rotation free degree of restriction bearing pin, smooth in order to rotate, turnMoving mold inside and two ends are distributed with axle sleeve and sleeve.
Further, processed suspension hook straight-bar end both sides are respectively equipped with the active clamping mechanism corresponding with it and passiveClamp mechanism, in the process of suspension hook straight-bar end brake forming to the inside, active clamping mechanism applies largerActive propulsion power, passive clamp mechanism is born relatively little passive bearing capacity, active clamping mechanism, passiveClamp mechanism is identical with rotation mould propulsive mechanism structural principle, and active clamping mechanism comprises initiatively clamping hydraulicCylinder, initiatively clamp contiguous block, clamping mold initiatively, passive clamp mechanism comprises passive clamping hydraulic cylinder, quiltMoving contiguous block, the passive clamping mold of clamping. Active clamping mechanism and passive clamp mechanism are distributed in fixed frameUpper plane, fixed frame is welded by steel plate and ring, and on fixed frame, plane is provided with dovetail grooved slidewayWith retaining thread hole, the horizontal steel plate of lower plane place is provided with through hole, and foundation bolt penetrates through hole, and whole equipment is solidDetermine on the ground. Initiatively clamping hydraulic cylinder and passive clamping hydraulic cylinder are secured by bolts on fixed frame flatFace, initiatively clamping hydraulic cylinder piston rod end penetrates the through hole that initiatively clamps contiguous block, initiatively folder of big nutTight hydraulic cylinder piston rod and initiatively clamp contiguous block and be fixedly linked, initiatively clamps contiguous block and active clamping moldMesh together, initiatively clamp contiguous block and be provided with dovetail trench structure with active clamping mold bottom, initiatively folderA wood side-guide phase of plane on stressed joint piece and the initiatively clamping mold dovetail groove by bottom and fixed frameConnect, initiatively the clamping area of clamping mold has the curved surface adapting with suspension hook outline, and curved surface can be according to differenceThe suspension hook of model is processed. Passive clamping hydraulic cylinder piston rod end penetrates the through hole of passive clamping contiguous block,Big nut is fixedly linked passive clamping hydraulic cylinder piston and passive clamping contiguous block, passive clamping contiguous block withPassive clamping mold meshes together, and the bottom of passive clamping contiguous block and passive clamping mold is provided with dovetail grooveType structure, plane on dovetail groove by bottom of passive clamping contiguous block and passive clamping mold and fixed frameOpposite side slide rail be connected, the clamping area of passive clamping mold inner side is processed with suspension hook outline and adaptsArc-shaped surface, curved surface can be processed according to the suspension hook of different model.
Further, above-mentioned fixed frame is all connected with central axis component with rotation frame, this central axis componentBe divided into upper, middle and lower segment, be respectively equipped with upper and lower axle sleeve around the upper and lower both sides of central shaft, above Upper shaft sleeveBe provided with the rolling bearing that is enclosed within central shaft epimere, be preferably four-row tapered roller bearing, this rolling bearing outer shroudFace contacts with the endoporus of the upper annulus of fixed frame, and bearing top is provided with upper end cover, by trip bolt by itBe fixed in the upper annulus of fixed frame, above upper end cover, be provided with fixing round platform, the lower end of fixing round platformBe connected with the upper annulus of fixed frame by bolt, the top of fixing round platform is processed with and suspension hook outline phaseThe curved surface adapting to, curved surface can be processed according to the suspension hook of different model. In being provided with below Lower shaft sleeve and being enclosed withinThe rolling bearing of axle hypomere, is preferably four-row tapered roller bearing, this rolling bearing outer ring surface and fixing machineThe endoporus contact of the lower annulus of frame, bearing bottom is provided with bottom end cover, is fixed in fixing by trip boltIn the lower annulus of frame. Central shaft stage casing is placed in the axis hole of the annulus that rotates frame, and both pass through connecting keyBe connected.
The course of work of the present invention is roughly as follows:
The process of suspension hook moulding can be divided into three steps, the first step, the workpiece after pulling be put in work stage withAfter, active clamping mechanism and passive clamp mechanism act on simultaneously, one end of workpiece are clamped to another of workpieceHold to be close to and firmly fix round platform, rotate propulsive mechanism rotation mould is advanced, be close to work when rotating mouldTill after part. Second step, three hydraulic motors rotate simultaneously, drive revolution to support external toothing motion, external toothThe moving frame of rotating of astragal is rotated, and the drive of rotation frame is rotated mould and rotated along suspension hook profile, turnsMoving mold autobiography revolution on one side on one side, till rotation frame turns to after suspension hook Workpiece shaping. The 3rd step,Rotate mould propulsive mechanism and recall backward rotation mould, active clamping mechanism and passive clamp mechanism are unclamped suspension hookWorkpiece, manipulator takes out the suspension hook of moulding.
The present invention compared with prior art tool has the following advantages: the suspension hook that this invention not only meets specific standard addsWork is manufactured, and technique is simple, easy to operate, production efficiency is high, automaticity is high, has reduced workPersonnel, have liberated labour productive forces, have reduced production cost, and small lot batch manufacture is changed into production in enormous quantities,There is comparatively considerable economic benefit.
Below in conjunction with accompanying drawing, the present invention will be described in more detail with concrete embodiment.
Brief description of the drawings
Fig. 1 is that master of the present invention looks schematic diagram;
Fig. 2 is schematic top plan view of the present invention;
Fig. 3 is motor part enlarged diagram in Fig. 1;
Fig. 4 is mould part enlarged diagram in Fig. 2;
Fig. 5 is that the present invention rotates mould generalized section.
Fig. 6 is that central shaft of the present invention and appurtenances master thereof look generalized section.
In figure: 1. passive clamping hydraulic cylinder, 2. bolt one, 3. fixing round platform, 4. upper end cover, 5. four row circular conesRoller bearing, 6. fixed frame, 7. central shaft, 8. forges gear, and 9. revolution is supported, 10. hydraulic motor,11. foundation bolt one, 12. bolt two, 13. hydraulic motor bearings, 14. foundation bolt two, 15. right-angle baffles,16. bolts three, 17. rotate frame, initiatively clamping hydraulic cylinder of 18. bolt four, 19. bolts five, 20., 21.Bolt six, 22. rotating hydraulic cylinders, the passive clamping contiguous block of 23. big nut one, 24. bolt seven, 25., 26.Passive clamping mold, 27. foundation bolt two, 28. bolts eight, 29. rotate mould contiguous block, 30. big nutsTwo, 31. rotate die supports and mold, 32. central axis components, and 33. active clamping hydraulic cylinders, 34. initiatively clamp and connectPiece, initiatively clamping mold of 35. bolt nine, 36. big nuts three, 37., 38. suspension hooks, 39. foundation bolts three, 40.Key on axle head, key under 41. axle heads, 42. axle head bottom end covers, 43. bearing pins, 44. axle sleeves, 45. rotate mould, 46.Axle head sleeve, 47. axle head upper end covers, 48. central shaft upper end covers, in 49. four-row tapered roller bearings one, 50.Axle, 51. center axle keys, 52. four-row tapered roller bearing two, 53. central shaft bottom end covers, 54. bolts ten,55. central shaft Lower shaft sleeves, 56. central shaft Upper shaft sleeves, 57. bolts 11.
Detailed description of the invention
Fig. 1,2,3,4,5 and 6 is examples disclosed by the invention, and this kind of mould is removableAutomatic moulding machine of suspension hook, comprises fixed frame 6, rotation frame 17, central axis component 32, rotates and moveForce mechanisms, rotation drive machine, clamp mechanism and rotation mould propulsive mechanism. Wherein, rotational power mechanismThree hydraulic motors 10 be connected with hydraulic motor bearing 13 by bolt 2 12, hydraulic motor bearing 13Be fixed on ground by foundation bolt 1, the output shaft of three hydraulic motors 10 is by spline and forged teethThe central shaft of wheel 8 is connected, and these three forging gears 8 all support 9 external toothings with same revolution and are meshed,The ring gear of revolution support 9 is connected with one end of right-angle baffle 15 by bolt 3 16, right-angle baffle 15The other end is connected with rotation frame 17 bottoms by bolt 3 16. Rotating frame 17 is welded by steel plate and ringForm, rotate plane in frame 17 and be provided with dovetail grooved slideway and retaining thread hole, rotate in frame 17 and divideBe furnished with and rotate mould propulsive mechanism, rotate mould propulsive mechanism and comprise rotating hydraulic cylinder 22, rotate mould connectionPiece 29, rotation die supports and mold 31 and rotation mould 45. The cylinder body of rotating hydraulic cylinder 22 is by bolt 8 28Be fixed on and rotate plane in frame 17, the end thread of the piston rod of rotating hydraulic cylinder 22 connects a large spiral shellMother 2 30, the piston rod end of rotating hydraulic cylinder 22 penetrates the through hole that rotates mould contiguous block 29, big nut2 30 are fixedly linked rotating hydraulic cylinder 22 piston rods and rotation mould contiguous block 29, rotate mould contiguous block29 mesh together with rotation die supports and mold 31, rotate the end of mould contiguous block 29 and rotation die supports and mold 31End is provided with dovetail trench structure, rotates mould contiguous block 29 and rotates die supports and mold 31 by the dovetail of bottomGroove is connected with the slide rail of plane in rotation frame 17, and rotating mould 45 is circular ring type sleeve, sleeve outside oneBe processed with the arc-shaped curved surface caving inward week, curved surface can be processed according to the suspension hook of different model, bearing pin43 through rotating the interior ring of mould 45, and bearing pin two ends are distributed with respectively axle head upper end cover 47, axle head bottom end cover 42Bearing pin 43 is fixed on together with rotating mould 45 in the circular hole that rotates die supports and mold 31 to 43 two sections of bearing pinsBe connected with rotation die supports and mold 31 by key 41 under key on axle head 40, axle head, rotate mould 45 inside and twoEnd is distributed with axle sleeve 44 and axle head sleeve 46.
Further, processed suspension hook 38 straight-bar end both sides are respectively equipped with the active clamping mechanism corresponding with it and quiltMoving clamp mechanism, in the process of suspension hook 38 straight-bar end brake formings to the inside, active clamping mechanism appliesLarge active propulsion power, passive clamp mechanism is born relatively little passive bearing capacity, active clamping mechanism,Passive clamp mechanism is identical with rotation mould propulsive mechanism structural principle, and active clamping mechanism comprises initiatively clampingHydraulic cylinder 33, initiatively clamp contiguous block 34, clamping mold 37 initiatively, passive clamp mechanism comprises passive clampingHydraulic cylinder 1, passive clamping contiguous block 25, passive clamping mold 26. Active clamping mechanism and passive clamping machineStructure is distributed in plane on fixed frame 6, and fixed frame 6 is welded by steel plate and ring, fixed frame 6Upper plane is provided with dovetail grooved slideway and retaining thread hole, and the horizontal steel plate of lower plane place is provided with through hole, lower margin spiral shellBolt 3 39 penetrates through hole whole equipment is fixed on the ground. Initiatively clamping hydraulic cylinder 33 and passive clamping liquidCylinder pressure 1 is secured by bolts in plane on fixed frame 6, and initiatively clamping hydraulic cylinder 33 piston rod ends penetrateInitiatively clamp the through hole of contiguous block 34, big nut 3 36 is clamping hydraulic cylinder 33 piston rods and active folder initiativelyStressed joint piece is fixed 34 and is connected, and initiatively clamps contiguous block 34 and meshes together with active clamping mold 37, mainThe moving contiguous block 34 that clamps is provided with dovetail trench structure with active clamping mold 37 bottoms, initiatively clamps contiguous block34 are connected with a wood side-guide of plane on fixed frame 6 by the dovetail groove of bottom with active clamping mold 37,Initiatively the clamping area of clamping mold 37 has the curved surface adapting with suspension hook 38 outlines, and curved surface can be according to notThe suspension hook of same model is processed. Passive clamping hydraulic cylinder 1 piston rod end penetrates passive clamping contiguous block 25Through hole, big nut 1 is fixedly linked passive clamping hydraulic cylinder 1 piston and passive clamping contiguous block 25,Passive clamping contiguous block 25 meshes together with passive clamping mold 26, and passive clamping connects 25 and passiveThe bottom of clamping mold 26 is provided with dovetail trench structure, passive clamping contiguous block 25 and passive clamping mold 26Dovetail groove by bottom is connected with the opposite side slide rail of plane on fixed frame 6, passive clamping mold 26Clamping area inner side is processed with the arc-shaped surface adapting with suspension hook 38 outlines, and curved surface can be according to different shapedNumber suspension hook process.
Further, above-mentioned fixed frame 6 is all connected with central axis component 32 with rotation frame 17, in thisArbor assembly 32 is divided into upper, middle and lower segment, around central shaft Shang Xia 50 both sides be respectively equipped with Upper shaft sleeve 56,Central shaft Lower shaft sleeve 55, central shaft Upper shaft sleeve 56 are provided with the four-row tapered roller axle that is enclosed within central shaft epimere aboveHold 1, this rolling bearing outer ring surface contacts with the endoporus of the upper annulus of fixed frame, during bearing top is provided withAxle upper end cover 48, is fixed in the upper annulus of fixed frame 6 center by fastening bolt 11Above axle upper end cover 48, be provided with fixing round platform 3, the lower end of fixing round platform 3 is by bolt 6 21 and fixingThe upper annulus of frame 6 is connected, and the top of fixing round platform 3 is processed with the song adapting with suspension hook 38 outlinesFace, curved surface can be processed according to the suspension hook of different model. During central shaft Lower shaft sleeve 55 is provided with below and is enclosed withinThe four-row tapered roller bearing 2 52 of axle 50 hypomeres, the lower circle of this rolling bearing outer ring surface and fixed frame 6The endoporus contact of ring, bearing bottom is provided with central shaft bottom end cover 53, is fixed in by fastening bolt 10In the lower annulus of fixed frame 6. Central shaft 50 stage casings are placed in the axis hole of the annulus that rotates frame 17, and twoPerson is connected by connection center axle key 51.
Claims (2)
1. automatic moulding machine of the removable suspension hook of mould, it is characterized in that: three hydraulic motors of rotational power mechanism are connected with hydraulic motor bearing by bolt, hydraulic motor bearing is fixed on ground by foundation bolt, the output shaft of three hydraulic motors is connected with the central shaft that forges gear by spline, these three are forged gear and are all meshed with same revolution support external toothing, the ring gear that revolution is supported is connected with one end of right-angle baffle by bolt, the other end of right-angle baffle is connected with rotation frame bottom by bolt, rotate plane in frame and be provided with dovetail grooved slideway and retaining thread hole, rotate in frame and be distributed with and rotate mould propulsive mechanism, rotate mould propulsive mechanism and comprise rotating hydraulic cylinder, rotate mould contiguous block, rotate die supports and mold and rotate mould, the cylinder body of its rotating hydraulic cylinder is secured by bolts in and rotates plane in frame, the end thread of the piston rod of rotating hydraulic cylinder connects a big nut, rotating hydraulic cylinder piston rod end penetrates the through hole that rotates mould contiguous block, big nut is fixedly linked rotating hydraulic cylinder piston rod and rotation mould contiguous block, rotating mould contiguous block meshes together with rotation die supports and mold, the bottom of rotating mould contiguous block and rotation die supports and mold is provided with dovetail trench structure, rotating mould contiguous block is connected with the slide rail of plane in rotation frame by the dovetail groove of bottom with rotation die supports and mold, rotating mould is circular ring type sleeve, sleeve outside is processed with the arc-shaped curved surface caving inward for one week, bearing pin is through rotating ring in mould, bearing pin two ends are distributed with respectively upper and lower end cap, upper and lower end cap is fixed in the circular hole that rotates die supports and mold rotating mould, two sections of bearing pins by square key with rotate die supports and mold and be connected, rotate mould inside and two ends and be distributed with axle sleeve and sleeve, processed suspension hook straight-bar end both sides are respectively equipped with the active clamping mechanism corresponding with it and passive clamp mechanism, active clamping mechanism and passive clamp mechanism are distributed in plane on fixed frame, on fixed frame, plane is provided with dovetail grooved slideway and retaining thread hole, the horizontal steel plate of lower plane place is provided with through hole, foundation bolt penetrates through hole whole equipment is fixed on the ground, initiatively clamping hydraulic cylinder and passive clamping hydraulic cylinder are secured by bolts in plane on fixed frame, initiatively clamping hydraulic cylinder piston rod end penetrates the through hole that initiatively clamps contiguous block, big nut is by active clamping hydraulic cylinder piston rod and initiatively clamp contiguous block and be fixedly linked, initiatively clamping contiguous block meshes together with active clamping mold, initiatively clamp contiguous block and be provided with dovetail trench structure with active clamping mold bottom, initiatively clamping contiguous block is connected by the dovetail groove of bottom and a wood side-guide of plane on fixed frame with active clamping mold, initiatively the clamping area of clamping mold has the curved surface adapting with suspension hook outline, passive clamping hydraulic cylinder piston rod end penetrates the through hole of passive clamping contiguous block, big nut is fixedly linked passive clamping hydraulic cylinder piston and passive clamping contiguous block, passive clamping contiguous block and passive clamping mold mesh together, the bottom of passive clamping contiguous block and passive clamping mold is provided with dovetail trench structure, passive clamping contiguous block is connected by the dovetail groove of bottom and the opposite side slide rail of plane on fixed frame with passive clamping mold, the clamping area inner side of passive clamping mold is processed with the arc-shaped surface adapting with suspension hook outline, above-mentioned fixed frame is all connected with central axis component with rotation frame, be respectively equipped with around the upper and lower both sides of central shaft, Lower shaft sleeve, above Upper shaft sleeve, be provided with the rolling bearing that is enclosed within central shaft epimere, this rolling bearing outer ring surface contacts with the endoporus of the upper annulus of fixed frame, bearing top is provided with upper end cover, be fixed in by trip bolt in the upper annulus of fixed frame, above upper end cover, be provided with fixing round platform, the lower end of fixing round platform is connected with the upper annulus of fixed frame by bolt, the top of fixing round platform is processed with the curved surface adapting with suspension hook outline, below Lower shaft sleeve, be provided with the rolling bearing that is enclosed within central shaft hypomere, this rolling bearing outer ring surface contacts with the endoporus of the lower annulus of fixed frame, bearing bottom is provided with bottom end cover, be fixed in by trip bolt in the lower annulus of fixed frame, central shaft stage casing is placed in the axis hole of the annulus that rotates frame, both are connected by connecting key.
2. automatic moulding machine of the removable suspension hook of mould according to claim 1, is characterized in that: above central shaft Upper shaft sleeve and Lower shaft sleeve below set rolling bearing be four-row tapered roller bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410581730.5A CN104353775B (en) | 2014-10-27 | 2014-10-27 | Automatic moulding machine of a kind of removable suspension hook of mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410581730.5A CN104353775B (en) | 2014-10-27 | 2014-10-27 | Automatic moulding machine of a kind of removable suspension hook of mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104353775A CN104353775A (en) | 2015-02-18 |
| CN104353775B true CN104353775B (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410581730.5A Active CN104353775B (en) | 2014-10-27 | 2014-10-27 | Automatic moulding machine of a kind of removable suspension hook of mould |
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| CN (1) | CN104353775B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112247050A (en) * | 2020-10-09 | 2021-01-22 | 重庆特力普尔机械设备有限公司 | Nitrogen spring drawing die and drawing forming process |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4493202A (en) * | 1982-09-24 | 1985-01-15 | Stafford Rail Products, Inc. | Railroad spike forging machine |
| CN101648333B (en) * | 2009-06-26 | 2011-07-06 | 上海重型机械工程成套有限公司 | Manufacturing method of large-tonnage combined lifting hook |
| CN202461314U (en) * | 2012-03-14 | 2012-10-03 | 成都陵川特种工业有限责任公司 | Wheel die |
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2014
- 2014-10-27 CN CN201410581730.5A patent/CN104353775B/en active Active
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| CN104353775A (en) | 2015-02-18 |
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Effective date of registration: 20170721 Address after: 100000, A, building 11, building 30, 302 Xing Xing street, Beijing, Shijingshan District Patentee after: Beijing North Liyuan Hydraulic Transmission Machinery Co., Ltd. Address before: Hebei Street West Harbor area, 066004 Hebei city of Qinhuangdao province No. 438 Patentee before: Yanshan University |
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Address after: 302, 303, building 11, yard 30, Shixing street, Shijingshan District, Beijing Patentee after: Beijing North Liyuan intelligent Polytron Technologies Inc. Address before: Room 302, block a, building 11, yard 30, Shixing street, Shijingshan District, Beijing Patentee before: Beijing North Liyuan Hydraulic Transmission Machinery Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: One time automatic forming machine for hook with replaceable mould Effective date of registration: 20210202 Granted publication date: 20160504 Pledgee: Wuxi rural commercial bank Limited by Share Ltd. Pledgor: Beijing North Liyuan intelligent Polytron Technologies Inc. Registration number: Y2021990000142 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |