CN103894788A - Manufacturing method for screw - Google Patents
Manufacturing method for screw Download PDFInfo
- Publication number
- CN103894788A CN103894788A CN201210579038.XA CN201210579038A CN103894788A CN 103894788 A CN103894788 A CN 103894788A CN 201210579038 A CN201210579038 A CN 201210579038A CN 103894788 A CN103894788 A CN 103894788A
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- CN
- China
- Prior art keywords
- screw
- chip removal
- forming
- preparation
- rod
- 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
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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
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention relates to a manufacturing method for a screw. The method includes the step S1 of providing blank material, the step S2 of machining the blank material into a screw head, a rod body formed below the screw head, and a chip removal rod portion which is formed below the rod body and has the diameter smaller than the diameter of the rod body, the step S3 of forming a plurality of thread portions on the outer edge of the rod body formed in the step S2, forming a plurality of chip removal threads on the outer edge of the chip removal rod portion, and forming a chip removal groove between every two adjacent chip removal threads, and the step S4 of conducting turning on the thread portions formed in the step S3 to form at least one chip removal extending groove, wherein the chip removal grooves extend upward to form the chip removal extending grooves. The manufacturing method for the screw is simple and easy to operate, when the manufactured screw is used, the screw and a workpiece are connected through two kinds of threads, chippings generated between the screw and the workpiece can be discharged through the chip removal extending grooves, and installation of threads is facilitated.
Description
Technical field
The present invention relates to a kind of preparation method of screw.
Background technology
Screw generally comprises the body of rod, be formed on the threaded portion in the outer rim of the body of rod and be formed on the conical head of body of rod tail end.Current screw thread in use, because threaded portion is bar shape, so between threaded portion and workpiece, be vertical configuration, so, in use, relatively effort, meanwhile, because screw is after being screwed in workpiece, workpiece can produce certain assorted bits, and assorted bits can rest in the gap of adjacent thread portion, thereby increase the frictional force between screw and workpiece.
Summary of the invention
The object of the present invention is to provide a kind of preparation method simple, easy to operate, and the easily preparation method of the screw of installation of the screw forming.
For realizing aforementioned object, the present invention adopts following technical scheme: a kind of preparation method of screw, comprises the steps:
S1: stock is provided;
S2: by described stock be processed to form screw terminal, be formed at screw terminal below the body of rod, be formed at body of rod below and diameter be less than body of rod diameter chip removal bar portion;
S3: form some threaded portions in the outer rim of the body of rod forming in described S2 step, form some chip removal screw threads in the outer rim of formed chip removal bar portion, be formed with chip area between adjacent two described chip removal screw threads;
S4: on the threaded portion forming in described S3 step, turning is formed to a few chip removal extension slot, described chip removal extension slot from chip area upwards extend form.
As a further improvement on the present invention, after described S4 step, also comprise S5 step: the bottom of the chip removal bar portion forming forms bores tail blade in described S4 step.
As a further improvement on the present invention, the brill tail blade forming in described S5 step is pointed bluff body.
As a further improvement on the present invention, the chip removal extension slot forming in described S4 step extends and dissects on the described body of rod from described chip area.
As a further improvement on the present invention, the chip removal extension slot forming in described S4 step is only one.
The head end of the chip removal screw thread forming in described S3 step as a further improvement on the present invention, is connected with the tail end of formed threaded portion.
As a further improvement on the present invention, the screw terminal forming in described S2 step is manifold.
As a further improvement on the present invention, the screw terminal forming in described S2 step is crosshead.
The invention has the beneficial effects as follows: the preparation method of screw of the present invention is simple, easy to operate, by preparing the body of rod and chip removal bar portion, forming threaded portion and chip removal screw thread and chip removal extension slot that the chip area that forms upwards forms in the body of rod and chip removal bar portion respectively between adjacent two chip removal screw threads, make the screw that forms of preparation in use, and between workpiece, realizing two kinds is threaded, and the assorted bits of being convenient to produce between screw and workpiece by chip removal extension slot are discharged, and are convenient to the installation of screw thread.
Brief description of the drawings
Fig. 1 is the structural representation of screw in the specific embodiment of the invention.
Fig. 2 is the flow chart of the preparation method of screw in the specific embodiment of the invention.
Detailed description of the invention
Refer to Fig. 1 and Fig. 2, in one embodiment of the invention, the preparation method of screw comprises S1 to S5 step.
S1: stock is provided.The number of this base material amount of providing provides depending on the required size of preparing screw.In the present embodiment, screw terminal 1 is crosshead.Certainly this screw terminal 1 can be also the head of manifold or other structures.
S2: by the stock providing in above-mentioned S1 step be processed to form screw terminal 1, be formed at screw terminal 1 below the body of rod 21, be formed at the body of rod 21 belows and diameter be less than the body of rod 21 diameters chip removal bar portion 31.
S3: form some threaded portions 22 in the outer rim of the body of rod 21 forming in above-mentioned S2 step, form some chip removal screw threads 32 in the outer rim of formed chip removal bar portion 31, be formed with chip area 33 between adjacent two chip removal screw threads 32.The head end of the chip removal screw thread 32 that formed is in this step connected with the tail end of formed threaded portion 22.
S4: on the threaded portion 22 forming in above-mentioned S3 step, turning is formed to a few chip removal extension slot 23.The chip area 33 that this chip removal extension slot 23 forms from S3 step upwards extends institute and forms.
S5: the bottom of the chip removal bar portion 31 forming in above-mentioned S4 step forms bores tail blade 4.The brill tail blade 4 that formed is in this step pointed bluff body.
The chip area 33 that the chip removal extension slot 23 forming in above-mentioned S4 step forms from S3 step extends and dissects on the body of rod 21 forming in S2 step.In the present embodiment, the chip removal extension slot 23 forming in above-mentioned S4 step is only one.
Refer to Fig. 1, by the made screw of above-mentioned preparation method comprise screw terminal 1, the spiro rod section 2 extending to form downwards from screw terminal 1, the chip ejection segment thereupon 3 that is less than spiro rod section 2 diameters from spiro rod section 2 to downward-extension and diameter.In the present embodiment, screw terminal 1 is crosshead.Certainly this screw terminal 1 can be also the head of manifold or other structures.
Spiro rod section 2 comprises threaded portion 22 and the some chip removal extension slots 23 being arranged on the body of rod 21 in the body of rod 21, the some outer rims that is formed on the body of rod 21 extending to form from screw terminal 1 downwards.In the present embodiment, this chip removal extension slot 23 is only provided with one.
Chip ejection segment thereupon 3 comprises chip removal screw thread 32 in chip removal bar portion 31, the some outer rims that is formed on this chip removal bar portion 31 extending to form from the body of rod 21 downwards, is formed on two chip areas 33 between adjacent chip removal screw thread 32.The diameter of this chip removal bar portion 31 is less than the diameter of the body of rod 21 of spiro rod section.The head end of chip removal screw thread 32 is connected with the tail end of threaded portion 22.
Above-mentioned chip removal extension slot 23 is extended to dissect at spiro rod section 2 towards spiro rod section 2 by chip area 33 and is formed.Chip removal extension slot 23 dissects on the body of rod 21.
This screw also comprises the brill tail blade 4 that is formed on chip ejection segment thereupon 3 bottoms.This brill tail blade 4 comprises some pointed bluff bodies that are formed at chip ejection segment thereupon 3 bottoms.
This screw structural is simple, easy to use, by the chip ejection segment thereupon 3 with chip area 33 is set below spiro rod section 2, and the chip removal extension slot 23 that extends and dissect spiro rod section 2 from chip area 33 towards spiro rod section 2 is set on this spiro rod section 2, thereby make screw in use, and between workpiece, realize two kinds and be threaded, and be convenient to the assorted bits discharge producing between screw and workpiece by chip removal extension slot, be convenient to the installation of screw thread.
In sum, the preparation method of above-mentioned screw is simple, easy to operate, by prepare the body of rod 21 and chip removal bar portion 31, the chip removal extension slot 23 upwards extending to form from chip area 33 that forms threaded portion 22 and chip removal screw thread 32 and form in the body of rod 21 and chip removal bar portion 31 respectively between adjacent two chip removal screw threads 32, make the screw that forms of preparation in use, and between workpiece, realizing two kinds is threaded, and the assorted bits of being convenient to produce between screw and workpiece by chip removal extension slot 23 are discharged, and are convenient to the installation of screw thread.
Although be example object, the preferred embodiment of the present invention is disclosed, but those of ordinary skill in the art will recognize, in the situation that not departing from by the disclosed scope and spirit of the present invention of appending claims, various improvement, increase and replacement are possible.
Claims (8)
1. a preparation method for screw, is characterized in that: the preparation method of described screw comprises the steps:
S1: stock is provided;
S2: by described stock be processed to form screw terminal, be formed at screw terminal below the body of rod, be formed at body of rod below and diameter be less than body of rod diameter chip removal bar portion;
S3: form some threaded portions in the outer rim of the body of rod forming in described S2 step, form some chip removal screw threads in the outer rim of formed chip removal bar portion, be formed with chip area between adjacent two described chip removal screw threads;
S4: on the threaded portion forming in described S3 step, turning is formed to a few chip removal extension slot, described chip removal extension slot from chip area upwards extend form.
2. the preparation method of screw according to claim 1, is characterized in that: after described S4 step, also comprise S5 step: the bottom of the chip removal bar portion forming in described S4 step forms bores tail blade.
3. the preparation method of screw according to claim 2, is characterized in that: the brill tail blade forming in described S5 step is pointed bluff body.
4. the preparation method of screw according to claim 3, is characterized in that: the chip removal extension slot forming in described S4 step extends and dissects on the described body of rod from described chip area.
5. the preparation method of screw according to claim 4, is characterized in that: the chip removal extension slot forming in described S4 step is only one.
6. the preparation method of screw according to claim 5, is characterized in that: the head end of the chip removal screw thread forming in described S3 step is connected with the tail end of formed threaded portion.
7. the preparation method of screw according to claim 6, is characterized in that: the screw terminal forming in described S2 step is manifold.
8. the preparation method of screw according to claim 6, is characterized in that: the screw terminal forming in described S2 step is crosshead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210579038.XA CN103894788A (en) | 2012-12-28 | 2012-12-28 | Manufacturing method for screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210579038.XA CN103894788A (en) | 2012-12-28 | 2012-12-28 | Manufacturing method for screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103894788A true CN103894788A (en) | 2014-07-02 |
Family
ID=50986531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210579038.XA Pending CN103894788A (en) | 2012-12-28 | 2012-12-28 | Manufacturing method for screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103894788A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104439984A (en) * | 2014-12-17 | 2015-03-25 | 常熟市华星精密铸件有限公司 | Machining process of aviation screw |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4736481A (en) * | 1987-05-22 | 1988-04-12 | Construction Fasteners, Inc. | Method of manufacturing screw fasteners |
| DE4310938A1 (en) * | 1992-07-15 | 1994-01-20 | Ker Yao Tin | Manufacture of a self-tapping and, if necessary, self-drilling screw with austenitic stainless steel |
| US6053653A (en) * | 1997-05-09 | 2000-04-25 | Sannohashi Corporation | Fastening method, fastening system and bolt used therefor |
| DE20121563U1 (en) * | 2001-09-27 | 2003-01-02 | Sfs Intec Holding Ag, Heerbrugg | Screw for fixing a casing plate to a metal casing carrier, comprises a threaded part with two different diameters having different pitches |
| CN2761900Y (en) * | 2005-01-10 | 2006-03-01 | 陈金孙 | lead screw |
| CN200999785Y (en) * | 2007-01-10 | 2008-01-02 | 许泰平 | Super-long tail cutting screw |
| CN101422857A (en) * | 2007-11-01 | 2009-05-06 | 苏美铃 | Method for manufacturing screws made of different materials |
-
2012
- 2012-12-28 CN CN201210579038.XA patent/CN103894788A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4736481A (en) * | 1987-05-22 | 1988-04-12 | Construction Fasteners, Inc. | Method of manufacturing screw fasteners |
| DE4310938A1 (en) * | 1992-07-15 | 1994-01-20 | Ker Yao Tin | Manufacture of a self-tapping and, if necessary, self-drilling screw with austenitic stainless steel |
| US6053653A (en) * | 1997-05-09 | 2000-04-25 | Sannohashi Corporation | Fastening method, fastening system and bolt used therefor |
| DE20121563U1 (en) * | 2001-09-27 | 2003-01-02 | Sfs Intec Holding Ag, Heerbrugg | Screw for fixing a casing plate to a metal casing carrier, comprises a threaded part with two different diameters having different pitches |
| CN2761900Y (en) * | 2005-01-10 | 2006-03-01 | 陈金孙 | lead screw |
| CN200999785Y (en) * | 2007-01-10 | 2008-01-02 | 许泰平 | Super-long tail cutting screw |
| CN101422857A (en) * | 2007-11-01 | 2009-05-06 | 苏美铃 | Method for manufacturing screws made of different materials |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104439984A (en) * | 2014-12-17 | 2015-03-25 | 常熟市华星精密铸件有限公司 | Machining process of aviation screw |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Application publication date: 20140702 |