CN106438639A - Mechanical bolt and machining device thereof - Google Patents
Mechanical bolt and machining device thereof Download PDFInfo
- Publication number
- CN106438639A CN106438639A CN201610703612.6A CN201610703612A CN106438639A CN 106438639 A CN106438639 A CN 106438639A CN 201610703612 A CN201610703612 A CN 201610703612A CN 106438639 A CN106438639 A CN 106438639A
- Authority
- CN
- China
- Prior art keywords
- bolt
- screw thread
- mechanical bolt
- mechanical
- rotary shaft
- 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.)
- Granted
Links
- 238000003754 machining Methods 0.000 title abstract 2
- 239000004519 grease Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000003247 decreasing effect Effects 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G9/00—Working screws, bolt heads, or nuts in conjunction with thread cutting, e.g. slotting screw heads or shanks, removing burrs from screw heads or shanks; Finishing, e.g. polishing, any screw-thread
- B23G9/001—Working screws
- B23G9/002—Slotting screw heads or shanks
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
- Transmission Devices (AREA)
Abstract
The invention provides a mechanical bolt and a machining device of the bolt. The mechanical bolt comprises a bolt head and a bolt rod; the bolt rod is vertically assembled on the lower portion of the bolt head, two or more threaded strips parallel with the bolt rod are evenly distributed on the bolt rod, and threaded grooves are machined in the threaded strips; the threaded grooves in the threaded strips are located on a threaded line surrounding the bolt rod, and the intervals between the adjacent threaded grooves in the threaded strips are sequentially decreased from top to bottom. Therefore, when thread fastening is carried out, stress of each ring of threads of the mechanical bolt gets close, the service life of the bolt is prolonged, and meanwhile when antirust grease is used on the mechanical bolt, a large amount of antirust grease can be stored in a gap, and the better anti-rust effect is achieved.
Description
Art
The invention belongs to industrial machinery technical field, especially relate to a kind of mechanical bolt and its processing unit (plant).
Background technology
Screw is bolt again, is the threaded securing member of cylinder of a kind of adapted nut or screwed hole.Including head
With the screw rod two parts with externally threaded cylindrical shape.In bolts and nuts rundown process, bolt is stretched, its screw thread
Part pitch increases, and the contracting of nut portion hand pressure, the reduction of its pitch.When so allowing for screw bolt and nut and tightening, about three/
One stress concentrates the first lap acting on screw thread, and after the 8th circle, ridge hardly loaded so that bolt
With nut when tightening repeatedly is unclamped, thread easily successively damages.In addition to preventing bolt in long-time use and spiral shell
Hole produces corrosion, and people can smear antirust oil when tightening bolt on bolt, but because traditional bolt is being tightened
When, antirust oil on screw thread can be squeezed away from screw position, the antirust oil on screw thread is less, and rust-proof effect is bad.
Content of the invention
For above-mentioned problem, it is an object of the invention to provide a kind of mechanical bolt and its processing unit (plant), this bolt
Upper each circle screw thread stress equalization when tightening.
The technical solution adopted for the present invention to solve the technical problems is：This mechanical bolt includes screw head, screw rod, described spiral shell
Bar is mounted vertically in the lower section of described screw head；More than the two screw thread bars parallel with described screw rod, institute are evenly equipped with described screw rod
State and groove is threaded on screw thread bar, the thread groove on described screw thread bar is located around on screw flight line, described screw thread bar
On the spacing of adjacent thread groove be sequentially reduced from top to bottom.
A kind of processing unit (plant) of described mechanical bolt, it includes sliding rail, and described sliding rail is equipped with can be left
The slide block of right slip, the Front-end Design limited location block of described slide block, described slide block rear end is designed with installing rack, on described installing rack
Rotating module is installed, described installing rack passes through to be fixed with the mechanical spiral shell to be processed of inclination in the middle of rotating module and limited block
Bolt；The front end of described sliding rail is equipped with rotary shaft corresponding with screw thread bar number, described rotating shaft axis and mechanical bolt
Diameter parallel, the rear end of described rotary shaft is articulated with cutting motor respectively；It is installed with described rotary shaft and to be parallel to each other
Two or more cast-cutting saw slice, adjacent described cast-cutting saw slice spacing is sequentially reduced from upper front to back.
Preferably, the number of screw thread bar is four, the number of described rotary shaft is similarly four.
Preferably, interior hex slot is machined with described screw head；The top that can forward extend out is designed with described installing rack
Head, described top is hexagonal frustum shape.
The beneficial effects of the present invention is：When this mechanical bolt uses, due to the adjacent thread groove on described screw thread bar
Spacing is sequentially reduced from top to bottom so that screw thread is when stress is elongated, and the spacing that can offset threaded portion increases, and is so entering
During row screw threads for fastening, so that often the stress of circle screw thread is all close, so can improve the service life of bolt, simultaneously
When the design of screw thread bar makes this mechanical bolt and nut or other screw cooperation, between close screw thread bar, there is larger sky
Gap, so when the anti-corrosive grease storing more amount on this mechanical bolt using anti-corrosive grease when it is possible in these gaps,
So so that this mechanical bolt compare conventional bolt there is more preferable rust-proof effect.
The screw thread bar structure of this mechanical bolt is so that this mechanical bolt is easy to process the screw thread knot of progressive distance simultaneously
Structure, the processing unit (plant) of described mechanical bolt installs mechanical bolt to be processed by the installing rack on slide block and limited block,
One screw thread bar of described mechanical bolt just to top, described slide block structure can with driving mechanical bolt along track side-to-side movement,
When mechanical bolt is below first rotary shaft, mechanical bolt screw thread bar above is by the cast-cutting saw slice in rotary shaft
Cut out thread groove, after first rotary shaft position, the rotation of described installing rack driving mechanical bolt is so that on mechanical bolt
Unprocessed another screw thread bar turns to top, then when slide block movement is to second rotary shaft below when, upward another
Article one, screw thread bar is threaded groove, with slide block be sequentially advanced so that each screw thread bar on mechanical bolt gradually by
Process thread groove.Complete the spacing change adjustment of thread groove by the distance of cast-cutting saw slice in each rotary shaft.
Brief description
Fig. 1 is the structural representation of mechanical bolt frontal.
Fig. 2 is the structural representation of mechanical bolt overlook direction.
Fig. 3 is the structural representation of mechanical bolt and its processing unit (plant).
Fig. 4 is the structural representation of conventional bolt and screw thread deformation during nut fastening assembling.
Fig. 5 is the structural representation of mechanical bolt and screw thread deformation during nut fastening assembling.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples：
As shown in embodiment in Fig. 1 and Fig. 2, this mechanical bolt includes screw head 1, screw rod 2, and described screw rod 2 is mounted vertically in
The lower section of described screw head 1；More than the two screw thread bars 21 parallel with described screw rod 2, described screw thread bar are evenly equipped with described screw rod 2
It is threaded groove 22, the thread groove 22 on described screw thread bar 21 is located around in the threaded line of screw rod 2, described screw thread bar on 21
The spacing of the adjacent thread groove 22 on 21 is sequentially reduced from top to bottom.
In specific design, described screw head 1 structure bolt difference as needed, can be this mechanical spiral shell being designed
Bolt design hex bolts, hexagon socket head cap screw, flat head bolt etc., in the present embodiment, mechanical bolt is designed as hexagon socket head cap screw,
It is machined with interior hex slot in described screw head 1.
As shown in figure 4, when conventional bolt 01 is connected with nut 02 screw threads for fastening, now main coupling mechanism force all acts on down
So that these contact screw threads are easily damaged on the front two circle contact screw threads in portion.As shown in figure 5, screw rod 2 part of this mechanical bolt
When being connected with nut 02 screw threads for fastening；Spacing due to the adjacent thread groove 22 on described screw thread bar 21 subtracts from top to bottom successively
Little so that screw rod 2 is when stress is elongated, can offset threaded portion spacing increase, so when being threadably secured, permissible
So that often the stress of circle screw thread is all close.The service life of bolt so can be improved, the design of screw thread bar 21 simultaneously makes
When obtaining this mechanical bolt and nut or other screw cooperation, between close screw thread bar 21, there is larger space, so when
, so can make it is possible to store the anti-corrosive grease of more amount in these gaps using during anti-corrosive grease on this mechanical bolt
Obtain that this mechanical bolt compares conventional bolt has more preferable rust-proof effect.
As shown in figure 3, being a kind of processing unit (plant) of mechanical bolt, it includes sliding rail 3, and described sliding rail 3 fills
It is furnished with the slide block 4 that can horizontally slip, the Front-end Design limited location block 41 of described slide block 4, described slide block 4 rear end is designed with installation
Frame 42, described installing rack 42 is provided with rotating module, and described installing rack 42 passes through fixing in the middle of rotating module and limited block 41
There is the mechanical bolt to be processed of inclination；The front end of described sliding rail 3 is equipped with rotary shaft corresponding with screw thread bar 21 number
5, described rotary shaft 5 axis and mechanical bolt diameter parallel, the rear end of described rotary shaft 5 is articulated with cutting motor 6 respectively；Described
The two or more cast-cutting saw slice 51 being parallel to each other is installed with rotary shaft 5, adjacent described cast-cutting saw slice 51 spacing is from upper
Front to back is sequentially reduced.
The processing unit (plant) of described mechanical bolt is installed to be processed by the installing rack 42 on slide block 4 and limited block 41
Mechanical bolt, just to top, described slide block 4 structure can be with driving mechanical bolt along rail for a screw thread bar 21 of described mechanical bolt
Road 3 side-to-side movement, when mechanical bolt is through first rotary shaft, 5 lower section, mechanical bolt screw thread bar 21 above is revolved
Cast-cutting saw slice 51 in rotating shaft 5 cuts out thread groove 22, and behind first rotary shaft 5 position, described installing rack 42 carries motivation
The rotation of tool bolt so that on mechanical bolt unprocessed another screw thread bar 21 turn to top, then when slide block movement to the
When below during two rotary shafts 5, another screw thread bar 21 upward is threaded groove 22, with being sequentially advanced of slide block 4,
Each screw thread bar 21 on mechanical bolt is made gradually to be threaded groove 22.So pass through to design each rotary shaft 5 one by one
The distance of upper cast-cutting saw slice 51 just can be designed that the relative distance of each thread groove 22 on the screw thread bar 21 of screw rod 2, will be directed to
Each cast-cutting saw slice 51 of each screw thread bar 21 designs in same rotary shaft 5, is more prone to ensure between each thread groove
Distance change.
As shown in Figures 2 and 3, in specific design, the number of screw thread bar 21 is four, therefore corresponding described rotary shaft
5 number is similarly four.The width of described screw thread bar 21 wants the rate of exchange narrow, and this processing unit (plant) is a kind of to the processing of thread groove 22
Simulating cutting, size is not the spiral of standard.During the narrower width of described screw thread bar 21, effect is more preferable.
In specific design, described screw head 1 is machined with interior hex slot 11；Corresponding as shown in figure 3, described installing rack 42
On be designed with the top that can forward extend out, described top be hexagonal frustum shape.It is designed with circular groove on described limited block, certainly add
In man-hour, the screw rod end of mechanical bolt to be processed is inserted in the circular groove of limited block, by the top ejection on described installing rack 42,
The hexagonal frustum of top is headed in the interior hex slot 11 of described screw head 1, is rapidly completed positioning.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (4)
1. a kind of mechanical bolt, it includes screw head (1), screw rod (2), and described screw rod (2) is mounted vertically under described screw head (1)
Side；It is characterized in that：More than the two screw thread bars (21) parallel with described screw rod (2), described spiral shell are evenly equipped with described screw rod (2)
Groove (22) is threaded on line bar (21), the thread groove (22) on described screw thread bar (21) is located around the screw thread of screw rod (2)
On line, the spacing of the adjacent thread groove (22) on described screw thread bar (21) is sequentially reduced from top to bottom.
2. a kind of processing unit (plant) of mechanical bolt it is characterised in that：It includes sliding rail (3), and described sliding rail (3) is upper to be filled
It is furnished with the slide block (4) that can horizontally slip, Front-end Design limited location block (41) of described slide block (4), described slide block (4) rear end sets
In respect of installing rack (42), described installing rack (42) is provided with rotating module, described installing rack (42) passes through rotating module and limit
It is fixed with the mechanical bolt to be processed of inclination in the middle of position block (41)；The front end of described sliding rail (3) is equipped with and screw thread bar
(21) the corresponding rotary shaft of number (5), described rotary shaft (5) axis and mechanical bolt diameter parallel, after described rotary shaft (5)
End is articulated with cutting motor (6) respectively；It is installed with, on described rotary shaft (5), the two or more cast-cutting saw slice being parallel to each other
(51), adjacent described cast-cutting saw slice (51) spacing is sequentially reduced from upper front to back.
3. mechanical bolt according to claim 2 processing unit (plant) it is characterised in that：The number of screw thread bar (21) is four
Individual, the number of described rotary shaft (5) is similarly four.
4. mechanical bolt according to claim 2 processing unit (plant) it is characterised in that：In being machined with described screw head (1)
Hex slot (11)；It is designed with, on described installing rack (42), the top that can forward extend out, described top is hexagonal frustum shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610703612.6A CN106438639B (en) | 2016-08-21 | 2016-08-21 | A kind of mechanical bolt and its processing unit (plant) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610703612.6A CN106438639B (en) | 2016-08-21 | 2016-08-21 | A kind of mechanical bolt and its processing unit (plant) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106438639A true CN106438639A (en) | 2017-02-22 |
| CN106438639B CN106438639B (en) | 2018-07-17 |
Family
ID=58182488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610703612.6A Active CN106438639B (en) | 2016-08-21 | 2016-08-21 | A kind of mechanical bolt and its processing unit (plant) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106438639B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3843984A (en) * | 1970-02-04 | 1974-10-29 | Long Lok Fasteners Corp | All metal self-locking screw fastener |
| CN1126805A (en) * | 1994-10-03 | 1996-07-17 | 赫克国际公司 | Improved high strength blind bolt with uniform high clamp over an extended grip range |
| DE10309297A1 (en) * | 2003-03-04 | 2004-09-16 | Wagner Gmbh & Co Fahrzeugteilefabrik | Fastening screw for disc brake has cold rolled fluid passage formed by groove in sidewall of screw shank |
| CN203441922U (en) * | 2013-07-26 | 2014-02-19 | 宁波远景汽车零部件有限公司 | Bolt with chip spaces |
| CN203979058U (en) * | 2014-01-17 | 2014-12-03 | 徐祖武 | There is mechanical bolt and the nut combination of directly entering function |
| CN206017385U (en) * | 2016-08-21 | 2017-03-15 | 李汉文 | A kind of mechanical bolt and its processing unit (plant) |
-
2016
- 2016-08-21 CN CN201610703612.6A patent/CN106438639B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3843984A (en) * | 1970-02-04 | 1974-10-29 | Long Lok Fasteners Corp | All metal self-locking screw fastener |
| CN1126805A (en) * | 1994-10-03 | 1996-07-17 | 赫克国际公司 | Improved high strength blind bolt with uniform high clamp over an extended grip range |
| DE10309297A1 (en) * | 2003-03-04 | 2004-09-16 | Wagner Gmbh & Co Fahrzeugteilefabrik | Fastening screw for disc brake has cold rolled fluid passage formed by groove in sidewall of screw shank |
| CN203441922U (en) * | 2013-07-26 | 2014-02-19 | 宁波远景汽车零部件有限公司 | Bolt with chip spaces |
| CN203979058U (en) * | 2014-01-17 | 2014-12-03 | 徐祖武 | There is mechanical bolt and the nut combination of directly entering function |
| CN206017385U (en) * | 2016-08-21 | 2017-03-15 | 李汉文 | A kind of mechanical bolt and its processing unit (plant) |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106438639B (en) | 2018-07-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Zhijun Inventor after: Yu Chenghua Inventor after: Zhao Guanxing Inventor before: Li Hanwen |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180510 Address after: No. 38, Xiexin Avenue, Funing County, Yancheng City, Jiangsu Province Applicant after: JIANGSU ZHONGCHENG FASTENING TECHNOLOGY DEVELOPMENT CO., LTD. Address before: 325217 No. 7 Xinqiao Road, Xinjiang bridge village, Zhenjiang City, Ruian, Wenzhou, Zhejiang Applicant before: Li Hanwen |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |