CN105880950A - Manufacturing method for double-nut D type connecting shackle - Google Patents
Manufacturing method for double-nut D type connecting shackle Download PDFInfo
- Publication number
- CN105880950A CN105880950A CN201610366506.3A CN201610366506A CN105880950A CN 105880950 A CN105880950 A CN 105880950A CN 201610366506 A CN201610366506 A CN 201610366506A CN 105880950 A CN105880950 A CN 105880950A
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- CN
- China
- Prior art keywords
- shackle
- raw material
- shackle body
- manufacture method
- lateral pin
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G15/00—Chain couplings, Shackles; Chain joints; Chain links; Chain bushes
- F16G15/04—Quickly-detachable chain couplings; Shackles chain links with rapid junction means are classified according to the corresponding kind of chain
- F16G15/06—Shackles designed for attachment by joint pins to chain elements, e.g. D-shackles so called harp links; the D-chain links are classified according to the corresponding kind of chain
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
- Forging (AREA)
Abstract
A manufacturing method for a double-nut D type connecting shackle comprises the following steps of raw material preparing, shackle body blank preparing, shackle body forming, transverse pin forming, grinding finishing, heat treatment, machining and checking. The combined action of mechanization and a forming die is adopted, the surface quality of a blank is guaranteed, only a small number of machined parts need to be reserved, cost is reduced, and efficiency is improved.
Description
Technical field
The present invention relates to manufacturing process, particularly relate to the manufacture method of a kind of double nut D type joining shackle.
Background technology
Shackle is for quickly connecting two chains in anchoring system, on the premise of easy accessibility, it is desirable to it disclosure satisfy that switching performance and serviceability; it also is able to meet the requirement that accessory size is limited by anchoring system simultaneously; therefore shackle performance is particularly important, and traditional method uses casting to manufacture shackle blank, it will usually crackle occur; shrinkage cavity; the defects such as slag inclusion, scrappage is high, and the internal structure of blank is unstable; consistency is low, and intensity is relatively low.
Summary of the invention
It is an object of the present invention to provide the manufacture method of a kind of double nut D type joining shackle, solve above technical problem.
In order to realize above-mentioned technical purpose, reaching above-mentioned technology requirement, the technical solution adopted in the present invention is: the manufacture method of a kind of double nut D type joining shackle, it is characterised in that comprise the following steps:
Step 1., raw material prepare；Including: 1), shackle body raw material；2), lateral pin raw material；
Step is 2., prepared by shackle body blank；Shackle body raw material is put into flame furnace heating；Again by the shackle body raw material Single arm shaping shaping forming of heating；Two ends is by special bow shackle bulb mould spin, and claps flat；Rushing the first hole, intermediate stage is pulled out by special buckling die；
Step 3., shackle body molding；Being positioned over by shackle body blank on special bending saddle support and carry out bending, ensure that hammer taps and hit exactly at blank during bending, after bending, special molding mould being placed in shackle body home record position, tup raps shaping；
Step 4., lateral pin molding；Lateral pin raw material is put into flame furnace heating；Carry out jumping-up pulling with pneumatic hammer again, place into molding in shaping mould；
Step 5., polishing finishing；Shackle body after molding and the bead cutter of the overlap on lateral pin being removed, overlap is polished with abrasive machine after removing so that any surface finish；
Step 6., heat treatment；First carry out normalizing, the most quenched；
Step 7., machining；Including: 1) shackle body processing；2) lateral pin processing；
Step 8., inspection.
As preferred technical scheme: described step is 1.；Described shackle body raw material and lateral pin raw material are all round steel, use sawing machine cutting, raw material smooth surface, and remove saw kerf corner angle.
As preferred technical scheme: described step is 2.；Machining allowance is left in the first described hole；Interlayer, cracking and furrow defect should not be had time prepared by shackle body blank.
As preferred technical scheme: described step is 3.；, should there be interlayer, cracking and furrow defect in reshaping temperature >=830 DEG C during bending.
As preferred technical scheme: described step is 4.；Interlayer, cracking and furrow defect should not be had during molding.
As preferred technical scheme: described step is 6.；Time quenched, medium is water, and hardening heat is 880 DEG C-920 DEG C, and temperature is 590 DEG C-630 DEG C.
As preferred technical scheme: described step is 7.；Shackle body is processed: process on milling machine；Including；1) line；Horizontal positioned shackle body, utilizes slide calliper rule to find out the first central point of hole, and marks the first hole profile after actual processing；2) roughing the first hole, leaves 1～3mm surplus；3) polish the first hole, is worked into size with milling cutter, and surface smoothness is 12.5；4) processing end face；First carrying out roughing, then carry out polish, polished surface fineness is 12.5；Lateral pin is processed: include；1) processing turret head and straight section on lathe, surface smoothness is 12.5；2) processing plane and kidney slot on milling machine, surface smoothness is 12.5；3) processing thread segment on lathe, surface smoothness is 12.5.
As preferred technical scheme: described step is 8.；For product inspection, including；1) visual examination；Should there be interlayer, cracking and furrow defect；2) dimensional gaughing, reaches drawing and standard-required.
The invention has the beneficial effects as follows: the manufacture method of a kind of double nut D type joining shackle, compared with conventionally manufactured: have employed and organize mould molding more, forming process mechanization, instead of casting, manufacture process is simple, saves artificial, and processing and manufacturing yield rate is high.
Accompanying drawing explanation
Fig. 1 is shackle body front view of the present invention；
Fig. 2 is lateral pin front view of the present invention；
Fig. 3 is Fig. 1 top view of the present invention；
Fig. 4 is shackle body of the present invention and lateral pin assembling figure；
In the drawings: 1. the first hole, 2. end face, 3. turret head, 4. straight section, 5. plane, 6. kidney slot, 7. thread segment, 101. shackle body home record positions, 102. two ends.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is further described；
In the accompanying drawings: the manufacture method of a kind of double nut D type joining shackle, it is characterised in that comprise the following steps:
Step 1., raw material prepare；Including: 1), shackle body raw material；2), lateral pin raw material；
Step is 2., prepared by shackle body blank；Shackle body raw material is put into flame furnace heating；Again by the shackle body raw material Single arm shaping shaping forming of heating；Two ends 102 is by special bow shackle bulb mould spin, and claps flat；Rushing the first hole 1, intermediate stage is pulled out by special buckling die；
Step 3., shackle body molding；Being positioned over by shackle body blank on special bending saddle support and carry out bending, ensure that hammer taps and hit exactly at blank during bending, after bending, special molding mould being placed in shackle body home record position 101, tup raps shaping；
Step 4., lateral pin molding；Lateral pin raw material is put into flame furnace heating；Carry out jumping-up pulling with pneumatic hammer again, place into molding in shaping mould；
Step 5., polishing finishing；Shackle body after molding and the bead cutter of the overlap on lateral pin being removed, overlap is polished with abrasive machine after removing so that any surface finish；
Step 6., heat treatment；First carry out normalizing, the most quenched；
Step 7., machining；Including: 1) shackle body processing；2) lateral pin processing；
Step 8., inspection.
As preferred technical scheme: described step is 1.；Described shackle body raw material and lateral pin raw material are all round steel, use sawing machine cutting, raw material smooth surface, and remove saw kerf corner angle.
As preferred technical scheme: described step is 2.；Machining allowance is left in the first described hole 1；Interlayer, cracking and furrow defect should not be had time prepared by shackle body blank.
As preferred technical scheme: described step is 3.；, should there be interlayer, cracking and furrow defect in reshaping temperature >=830 DEG C during bending.
As preferred technical scheme: described step is 4.；Interlayer, cracking and furrow defect should not be had during molding.
As preferred technical scheme: described step is 6.；Time quenched, medium is water, and hardening heat is 880 DEG C-920 DEG C, and temperature is 590 DEG C-630 DEG C.
As preferred technical scheme: described step is 7.；Shackle body is processed: process on milling machine；Including；1) line；Horizontal positioned shackle body, utilizes slide calliper rule to find out the first hole 1 central point, and marks the first hole 1 profile after actual processing；2) roughing the first hole 1, leaves 1～3mm surplus；3) polish the first hole 1, is worked into size with milling cutter, and surface smoothness is 12.5；4) processing end face 2；First carrying out roughing, then carry out polish, polished surface fineness is 12.5；Lateral pin is processed: include；1) processing turret head 3 and straight section 4 on lathe, surface smoothness is 12.5；2) processing plane 5 and kidney slot 6 on milling machine, surface smoothness is 12.5；3) processing thread segment 7 on lathe, surface smoothness is 12.5.
As preferred technical scheme: described step is 8.；For product inspection, including；1) visual examination；Should there be interlayer, cracking and furrow defect；2) dimensional gaughing, reaches drawing and standard-required.
The present invention is embodied as: in blank preparation process, have employed mechanization and shaping mould acts on jointly, it is ensured that the surface quality of blank, only need to stay a small amount of processing part, reduce cost, improve efficiency.
Above-described embodiment is only for clearly demonstrating description of the present invention; and not restriction to embodiment; to those of ordinary skill in the art; can also make other changes in different forms on the basis of the above description; here without also cannot all of embodiment be given exhaustive, and the obvious change thus amplified out or variation still in protection scope of the present invention among.
Claims (8)
1. the manufacture method of a double nut D type joining shackle, it is characterised in that comprise the following steps:
Step 1., raw material prepare；Including: 1), shackle body raw material；2), lateral pin raw material；
Step is 2., prepared by shackle body blank；Shackle body raw material is put into flame furnace heating；Again by the shackle body raw material Single arm shaping shaping forming of heating；Two ends (102) is by special bow shackle bulb mould spin, and claps flat；Rushing the first hole (1), intermediate stage is pulled out by special buckling die；
Step 3., shackle body molding；Being positioned over by shackle body blank on special bending saddle support and carry out bending, ensure that hammer taps and hit exactly at blank during bending, after bending, special molding mould being placed in shackle body home record position (101), tup raps shaping；
Step 4., lateral pin molding；Lateral pin raw material is put into flame furnace heating；Carry out jumping-up pulling with pneumatic hammer again, place into molding in shaping mould；
Step 5., polishing finishing；Shackle body after molding and the bead cutter of the overlap on lateral pin being removed, overlap is polished with abrasive machine after removing so that any surface finish；
Step 6., heat treatment；First carry out normalizing, the most quenched；
Step 7., machining；Including: 1) shackle body processing；2) lateral pin processing；
Step 8., inspection.
The manufacture method of a kind of double nut D type joining shackle the most according to claim 1, it is characterised in that: described step is 1.；Described shackle body raw material and lateral pin raw material are all round steel, use sawing machine cutting, raw material smooth surface, and remove saw kerf corner angle.
The manufacture method of a kind of double nut D type joining shackle the most according to claim 1, it is characterised in that: described step is 2.；Machining allowance is left in described the first hole (1)；Interlayer, cracking and furrow defect should not be had time prepared by shackle body blank.
The manufacture method of a kind of double nut D type joining shackle the most according to claim 1, it is characterised in that: described step is 3.；, should there be interlayer, cracking and furrow defect in reshaping temperature >=830 DEG C during bending.
The manufacture method of a kind of double nut D type joining shackle the most according to claim 1, it is characterised in that: described step is 4.；Interlayer, cracking and furrow defect should not be had during molding.
The manufacture method of a kind of double nut D type joining shackle the most according to claim 1, it is characterised in that:
Described step is 6.；Time quenched, medium is water, and hardening heat is 880 DEG C-920 DEG C, and temperature is 590 DEG C-630 DEG C.
The manufacture method of a kind of double nut D type joining shackle the most according to claim 1, it is characterised in that:
Described step is 7.；Shackle body is processed: process on milling machine；Including；1) line；Horizontal positioned shackle body, utilizes slide calliper rule to find out the first hole (1) central point, and marks the first hole (1) profile after actual processing；2) roughing the first hole (1), leaves 1～3mm surplus；3) polish the first hole (1), is worked into size with milling cutter, and surface smoothness is 12.5；4) processing end face (2)；First carrying out roughing, then carry out polish, polished surface fineness is 12.5；Lateral pin is processed: include；1) processing turret head (3) and straight section (4) on lathe, surface smoothness is 12.5；2) processing plane (5) and kidney slot (6) on milling machine, surface smoothness is 12.5；3) processing thread segment (7) on lathe, surface smoothness is 12.5.
The manufacture method of a kind of double nut D type joining shackle the most according to claim 1, it is characterised in that: described step is 8.；For product inspection, including；1) visual examination；Should there be interlayer, cracking and furrow defect；2) dimensional gaughing, reaches drawing and standard-required.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610366506.3A CN105880950A (en) | 2016-05-30 | 2016-05-30 | Manufacturing method for double-nut D type connecting shackle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610366506.3A CN105880950A (en) | 2016-05-30 | 2016-05-30 | Manufacturing method for double-nut D type connecting shackle |
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| Publication Number | Publication Date |
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| CN105880950A true CN105880950A (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610366506.3A Pending CN105880950A (en) | 2016-05-30 | 2016-05-30 | Manufacturing method for double-nut D type connecting shackle |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107263120A (en) * | 2017-07-26 | 2017-10-20 | 宁波亚大自动化科技有限公司 | Streamline workpiece, process equipment and technique |
| CN107723419A (en) * | 2017-11-10 | 2018-02-23 | 江苏亚星锚链股份有限公司 | A kind of forged hardening method of shackle peculiar to vessel |
| CN108080892A (en) * | 2017-12-05 | 2018-05-29 | 上汽通用五菱汽车股份有限公司 | A kind of automobile engine cover lock catch manufacturing method |
| CN108515319A (en) * | 2018-04-04 | 2018-09-11 | 青岛佳盛方圆五金有限公司 | Shackle production technology |
| CN109013992A (en) * | 2018-07-23 | 2018-12-18 | 江阴市澄东锻造有限公司 | A kind of solid forging method of large size shackle |
| CN111037213A (en) * | 2019-11-27 | 2020-04-21 | 江苏亚星锚链股份有限公司 | Forging method for double-nut D-shaped connecting shackle of R6-level mooring chain accessory |
| CN111468889A (en) * | 2019-11-27 | 2020-07-31 | 江苏亚星锚链股份有限公司 | Manufacturing process of R6 grade kenter shackle |
| CN111496162A (en) * | 2020-05-06 | 2020-08-07 | 江苏中宇电力器材有限公司 | Manufacturing process of U-shaped ring |
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| DE2630313C3 (en) * | 1975-07-08 | 1980-03-20 | S.A.R.L. Wichard, Thiers, Puy-De-Dome (Frankreich) | Shackle |
| DE19806643C1 (en) * | 1998-02-18 | 1999-09-09 | Kespohl | Shackle for motor vehicle |
| CN102688976A (en) * | 2011-03-21 | 2012-09-26 | 江苏亚星锚链股份有限公司 | Forging method of Grade R5 mooring chain accessory swivel shackle |
| CN103567721A (en) * | 2013-10-10 | 2014-02-12 | 江苏亚星锚链股份有限公司 | Forging method for connection shackle |
| CN103567718A (en) * | 2013-10-10 | 2014-02-12 | 江苏亚星锚链股份有限公司 | Swivel shackle forging method |
| CN104014712A (en) * | 2014-05-30 | 2014-09-03 | 江苏亚星锚链股份有限公司 | Forging method for mooring ring |
| CN104014995A (en) * | 2014-05-30 | 2014-09-03 | 江苏亚星锚链股份有限公司 | Method for forging bow shackle |
-
2016
- 2016-05-30 CN CN201610366506.3A patent/CN105880950A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2630313C3 (en) * | 1975-07-08 | 1980-03-20 | S.A.R.L. Wichard, Thiers, Puy-De-Dome (Frankreich) | Shackle |
| DE19806643C1 (en) * | 1998-02-18 | 1999-09-09 | Kespohl | Shackle for motor vehicle |
| CN102688976A (en) * | 2011-03-21 | 2012-09-26 | 江苏亚星锚链股份有限公司 | Forging method of Grade R5 mooring chain accessory swivel shackle |
| CN103567721A (en) * | 2013-10-10 | 2014-02-12 | 江苏亚星锚链股份有限公司 | Forging method for connection shackle |
| CN103567718A (en) * | 2013-10-10 | 2014-02-12 | 江苏亚星锚链股份有限公司 | Swivel shackle forging method |
| CN104014712A (en) * | 2014-05-30 | 2014-09-03 | 江苏亚星锚链股份有限公司 | Forging method for mooring ring |
| CN104014995A (en) * | 2014-05-30 | 2014-09-03 | 江苏亚星锚链股份有限公司 | Method for forging bow shackle |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107263120A (en) * | 2017-07-26 | 2017-10-20 | 宁波亚大自动化科技有限公司 | Streamline workpiece, process equipment and technique |
| CN107263120B (en) * | 2017-07-26 | 2023-09-08 | 宁波亚大自动化科技有限公司 | Pipelined workpiece, processing equipment and process |
| CN107723419A (en) * | 2017-11-10 | 2018-02-23 | 江苏亚星锚链股份有限公司 | A kind of forged hardening method of shackle peculiar to vessel |
| CN108080892A (en) * | 2017-12-05 | 2018-05-29 | 上汽通用五菱汽车股份有限公司 | A kind of automobile engine cover lock catch manufacturing method |
| CN108515319A (en) * | 2018-04-04 | 2018-09-11 | 青岛佳盛方圆五金有限公司 | Shackle production technology |
| CN109013992A (en) * | 2018-07-23 | 2018-12-18 | 江阴市澄东锻造有限公司 | A kind of solid forging method of large size shackle |
| CN111037213A (en) * | 2019-11-27 | 2020-04-21 | 江苏亚星锚链股份有限公司 | Forging method for double-nut D-shaped connecting shackle of R6-level mooring chain accessory |
| CN111468889A (en) * | 2019-11-27 | 2020-07-31 | 江苏亚星锚链股份有限公司 | Manufacturing process of R6 grade kenter shackle |
| CN111496162A (en) * | 2020-05-06 | 2020-08-07 | 江苏中宇电力器材有限公司 | Manufacturing process of U-shaped ring |
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Application publication date: 20160824 |