CN107178552A - A kind of heavy truck rear-wheel hub locking nut and its production technology - Google Patents

A kind of heavy truck rear-wheel hub locking nut and its production technology Download PDF

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Publication number
CN107178552A
CN107178552A CN201710414317.3A CN201710414317A CN107178552A CN 107178552 A CN107178552 A CN 107178552A CN 201710414317 A CN201710414317 A CN 201710414317A CN 107178552 A CN107178552 A CN 107178552A
Authority
CN
China
Prior art keywords
nut
wheel hub
heavy truck
truck rear
hub locking
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
CN201710414317.3A
Other languages
Chinese (zh)
Inventor
张雅君
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.)
Jiaxing Xinya Beijing Great Automotive Components Co Ltd
Original Assignee
Jiaxing Xinya Beijing Great Automotive Components 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 Jiaxing Xinya Beijing Great Automotive Components Co Ltd filed Critical Jiaxing Xinya Beijing Great Automotive Components Co Ltd
Priority to CN201710414317.3A priority Critical patent/CN107178552A/en
Publication of CN107178552A publication Critical patent/CN107178552A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B37/00Nuts or like thread-engaging members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass

Abstract

The invention discloses a kind of heavy truck rear-wheel hub locking nut, it is made up of integrally formed nut body and the connection internal thread being arranged on nut body endoporus, described nut body is made up of nut bottom and nut top two parts, described nut top is arranged at the top of nut bottom, some flutings are equidistantly distributed with described nut top, described groove depth is more than the height on nut top, less than the height of nut body.The invention also provides a kind of production technology of heavy truck rear-wheel hub locking nut, heavy truck rear-wheel hub locking nut is obtained by blanking, forging forming and tapping, it not only avoid the problem of casting is also easy to produce stomata and husky hole, also reduce the processing technologys such as groove milling, deburring, the production technology of casting nut is enormously simplify while the intensity, the mechanical performance that improve heavy truck rear-wheel hub locking nut, the production efficiency of nut is improved, the waste of raw material is also reduced.

Description

A kind of heavy truck rear-wheel hub locking nut and its production technology
【Technical field】
The present invention relates to the technical field of nut, more particularly to a kind of heavy truck rear-wheel hub locking nut and its production technology.
【Background technology】
Locking nut, is a kind of nut for being widely used in the industries such as machinery, and wheel hub locking nut is for fixed car The Special locking nut of outer wheel hub.The especially vehicle such as heavy goods vehicle, heavy truck is larger, and loading capacity is big, it is necessary to using locking nut Locked.And current heavy truck rear-wheel hub locking nut, generally using casting processing, answered due to casting processing nut technique It is miscellaneous, it is processed using techniques such as casting, cooling, cleaning, cutting thread, deburrings, and the stomata produced in casting process can be husky Hole will all influence the intensity of locking nut, reduce the intensity of locking nut, also there is the problem of processing waste of raw materials is serious.For Solution problem above, it is necessary to propose a kind of heavy truck rear-wheel hub locking nut and its production technology.
【The content of the invention】
It is an object of the invention to overcoming above-mentioned the deficiencies in the prior art there is provided a kind of heavy truck rear-wheel hub locking nut and its Production technology, it aims to solve the problem that heavy truck rear-wheel hub locking nut uses Foundry Production in the prior art, processed complex, low intensity, The high technical problem of the cost of raw material.
To achieve the above object, the present invention proposes a kind of heavy truck rear-wheel hub locking nut, by integrally formed nut sheet Body and the connection internal thread being arranged on nut body endoporus are constituted, and described nut body is by nut bottom and nut top two Part constitute, described nut top be arranged on the top of nut bottom, described nut top be equidistantly distributed with it is some Fluting, described groove depth is more than the height on nut top, less than the height of nut body.
Preferably, described nut top is circular boss, the outline shape of described nut bottom is just polygon Shape, the maximum outside diameter on described nut top is less than the distance of nut bottom opposite side.
Preferably, the described uniform circular row of some flutings, and along outside nut body endoporus radial direction insertion nut body Wall.
Preferably, the outline shape of described nut bottom is octagon, under the quantity and nut of described fluting The quantity on the side in portion is identical, is 8, and the position of fluting is corresponding with the side center of nut bottom.
The present invention also proposes a kind of production technology of heavy truck rear-wheel hub locking nut, comprises the following steps:
The first step, blanking:The blank for preparing heavy truck rear-wheel hub locking nut is loaded in heating furnace and heated;
Second step, forging forming:Heating furnace is warming up to 900~1000 DEG C, and is incubated taking-up after 10~35min, in pressure Forged on power machine and direct pressure shaping, obtain rushing the nut body of endoporus and fluting;
3rd step, tapping:After after nut body cooling, tapping is carried out on the endoporus of nut body, obtains connecting interior spiral shell Line.
Preferably, after the 3rd described step tapping, in addition to aftertreatment technology, described aftertreatment technology includes successively Heat treatment, surface treatment, packaging.
Preferably, heating furnace is warming up to 950~980 DEG C in described second step, soaking time is 32min.
Preferably, heating furnace is warming up to 965 DEG C in described second step, soaking time is 23min.
Beneficial effects of the present invention:Compared with prior art, a kind of heavy truck rear-wheel hub locking nut for providing of the present invention and Its production technology, nut body is integrally formed by forging, and the nut body after shaping had not only rushed endoporus but also punching has fluting, not only The problem of casting is also easy to produce stomata and husky hole is avoided, the processing technologys such as groove milling, deburring is also reduced, improves heavy truck trailing wheel The production technology of casting nut is enormously simplify while the intensity of hub locking nut, mechanical performance, the production of nut is improved Efficiency;Further, since the volume of heavy truck rear-wheel hub locking nut is big compared with plain nut, the technique according to casting post-processing can be produced Raw substantial amounts of waste material, and the clout for using integrally formed Forging Technology to produce can be re-used, and greatly reduce raw material Waste.
The feature and advantage of the present invention will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 is a kind of structural representation of heavy truck rear-wheel hub locking nut of the embodiment of the present invention.
In figure:1- nut bodies, 10- connections internal thread, 11- nuts bottom, 12- nuts top, 13- flutings.
【Embodiment】
To make the object, technical solutions and advantages of the present invention of greater clarity, below by drawings and Examples, to this Invention is further elaborated.However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention, The scope being not intended to limit the invention.In addition, in the following description, the description to known features and technology is eliminated, to keep away Exempt from unnecessarily to obscure idea of the invention.
Refering to Fig. 1, the embodiment of the present invention provides a kind of heavy truck rear-wheel hub locking nut, by integrally formed nut body 1 Constituted with the connection internal thread 10 being arranged on the endoporus of nut body 1, described nut body 1 is on nut bottom 11 and nut The two parts of portion 12 are constituted, and described nut top 12 is arranged at the top of nut bottom 11, first-class of described nut top 12 Away from some flutings 13 are distributed with, the described depth of fluting 13 is more than the height on nut top 12, less than the height of nut body 1.
Further, described nut top 12 is circular boss, and the outline shape of described nut bottom 11 is just Polygon, the maximum outside diameter on described nut top 12 is less than the distance of the opposite side of nut bottom 11.
Further, the described uniform circular row of some flutings 13, and along the endoporus radial direction insertion nut body of nut body 1 1 outer wall.
Further, the outline shape of described nut bottom 11 is octagon, the quantity of described fluting 13 with The quantity on the side of nut bottom 11 is identical, is 8, and the position of fluting 13 is corresponding with the side center of nut bottom 11.
In embodiments of the present invention, nut body 1 is octagon nut, and the depth of fluting 13 is slightly larger than nut top 12 Highly, and fluting 13 bottom be half slot, improve the shearing strength of nut body 1.
In order to prevent locking nut from being released with screw rod, it is only necessary to open up pin-and-hole on screw rod, matched somebody with somebody using split pin with pin-and-hole Close, and be fixed by corresponding fluting 13, locking nut is pinned by split pin, the process for making locking nut be run in vehicle In also do not release.
The embodiment of the present invention also provides a kind of production technology of heavy truck rear-wheel hub locking nut, comprises the following steps:
The first step, blanking:The blank for preparing heavy truck rear-wheel hub locking nut is loaded in heating furnace and heated.
Second step, forging forming:Heating furnace is warming up to 900~1000 DEG C, and is incubated taking-up after 10~35min, in pressure Forged on power machine and direct pressure shaping, obtain rushing the nut body 1 of endoporus and fluting 13.
Specifically, heating furnace is warming up to 950~980 DEG C, and soaking time is 32min.
In embodiments of the present invention, heating furnace is warming up to 965 DEG C, and soaking time is 23min.
3rd step, tapping:After after the cooling of nut body 1, tapping is carried out on the endoporus of nut body 1, is obtained in connection Screw thread 10.
Further, after the 3rd step tapping, in addition to aftertreatment technology, described aftertreatment technology includes at heat successively Reason, surface treatment, packaging.
The course of work of the present invention:
A kind of heavy truck rear-wheel hub locking nut of the present invention and its production technology, nut body 1 are integrally formed by forging, into Nut body 1 after type had not only rushed endoporus but also punching has fluting 13, not only avoid the problem of casting is also easy to produce stomata and husky hole, also The processing technologys such as groove milling, deburring are reduced, while improving intensity, the mechanical performance of heavy truck rear-wheel hub locking nut significantly The production technology of casting nut is simplified, the production efficiency of nut is improved;Further, since the body of heavy truck rear-wheel hub locking nut Product is big compared with plain nut, and the technique according to casting post-processing can produce substantial amounts of waste material, and use integrally formed forging and stamping work The clout that skill is produced can be re-used, and greatly reduce the waste of raw material.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention Any modification, equivalent substitution or improvement made within refreshing and principle etc., should be included in the scope of the protection.

Claims (8)

1. a kind of heavy truck rear-wheel hub locking nut, by integrally formed nut body (1) and it is arranged on nut body (1) endoporus Connection internal thread (10) constitute, it is characterised in that:Described nut body (1) is by nut bottom (11) and nut top (12) Two parts are constituted, and described nut top (12) is arranged at the top of nut bottom (11), and described nut top (12) is first-class Some flutings (13) are distributed with spacing, and described fluting (13) depth is more than the height of nut top (12), less than nut body (1) height.
2. a kind of heavy truck rear-wheel hub locking nut as claimed in claim 1, it is characterised in that:Described nut top (12) is Circular boss, the outline shape of described nut bottom (11) is regular polygon, and the maximum on described nut top (12) is outer Footpath is less than the distance of nut bottom (11) opposite side.
3. a kind of heavy truck rear-wheel hub locking nut as claimed in claim 1, it is characterised in that:Described some flutings (13) are Even circular row, and along nut body (1) endoporus radial direction insertion nut body (1) outer wall.
4. a kind of heavy truck rear-wheel hub locking nut as claimed in claim 1, it is characterised in that:Described nut bottom (11) Outline shape is octagon, and the quantity of described fluting (13) is identical with the quantity on the side of nut bottom (11), is 8, and The position of fluting (13) is corresponding with the side center of nut bottom (11).
5. a kind of production technology of heavy truck rear-wheel hub locking nut, it is characterised in that:Comprise the following steps:
The first step, blanking:The blank for preparing heavy truck rear-wheel hub locking nut is loaded in heating furnace and heated;
Second step, forging forming:Heating furnace is warming up to 900~1000 DEG C, and is incubated taking-up after 10~35min, in forcing press On forge and direct pressure shaping, obtain punching have endoporus and fluting (13) nut body (1);
3rd step, tapping:After after nut body (1) cooling, tapping is carried out on the endoporus of nut body (1), is obtained in connection Screw thread (10).
6. a kind of production technology of heavy truck rear-wheel hub locking nut as claimed in claim 5, it is characterised in that:Described the 3rd Walk after tapping, in addition to aftertreatment technology, described aftertreatment technology is successively including heat treatment, surface treatment, packaging.
7. a kind of production technology of heavy truck rear-wheel hub locking nut as claimed in claim 5, it is characterised in that:Described second Heating furnace is warming up to 950~980 DEG C in step, and soaking time is 15~32min.
8. a kind of production technology of heavy truck rear-wheel hub locking nut as claimed in claim 7, it is characterised in that:Described second Heating furnace is warming up to 965 DEG C in step, and soaking time is 23min.
CN201710414317.3A 2017-06-05 2017-06-05 A kind of heavy truck rear-wheel hub locking nut and its production technology Pending CN107178552A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710414317.3A CN107178552A (en) 2017-06-05 2017-06-05 A kind of heavy truck rear-wheel hub locking nut and its production technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710414317.3A CN107178552A (en) 2017-06-05 2017-06-05 A kind of heavy truck rear-wheel hub locking nut and its production technology

Publications (1)

Publication Number Publication Date
CN107178552A true CN107178552A (en) 2017-09-19

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Application Number Title Priority Date Filing Date
CN201710414317.3A Pending CN107178552A (en) 2017-06-05 2017-06-05 A kind of heavy truck rear-wheel hub locking nut and its production technology

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109306995A (en) * 2018-12-20 2019-02-05 海盐华通金属制品有限公司 A kind of expansion nut being easily installed

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101767179A (en) * 2009-12-31 2010-07-07 上海新闵重型锻造有限公司 Method for forging screw and nut
CN102814439A (en) * 2012-09-10 2012-12-12 绍兴山耐高压紧固件有限公司 Hot-forging molding process of large-sized stainless steel nut
CN204664116U (en) * 2015-03-26 2015-09-23 海盐县华昇汽车配件有限公司 A kind of hexagon slotted nut
CN204657384U (en) * 2015-06-02 2015-09-23 昆山市全顺铝材锻造有限公司 A kind of shaped device for forging nut

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101767179A (en) * 2009-12-31 2010-07-07 上海新闵重型锻造有限公司 Method for forging screw and nut
CN102814439A (en) * 2012-09-10 2012-12-12 绍兴山耐高压紧固件有限公司 Hot-forging molding process of large-sized stainless steel nut
CN204664116U (en) * 2015-03-26 2015-09-23 海盐县华昇汽车配件有限公司 A kind of hexagon slotted nut
CN204657384U (en) * 2015-06-02 2015-09-23 昆山市全顺铝材锻造有限公司 A kind of shaped device for forging nut

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109306995A (en) * 2018-12-20 2019-02-05 海盐华通金属制品有限公司 A kind of expansion nut being easily installed

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Application publication date: 20170919