CN102862025B - Screw manufacture method - Google Patents
Screw manufacture method Download PDFInfo
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- CN102862025B CN102862025B CN201210340461.4A CN201210340461A CN102862025B CN 102862025 B CN102862025 B CN 102862025B CN 201210340461 A CN201210340461 A CN 201210340461A CN 102862025 B CN102862025 B CN 102862025B
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- rod
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- manufacture method
- cutting
- drip molding
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Abstract
The invention discloses a kind of screw manufacture method, it sequentially includes material preparation step, initial step, threading step and afterbody forming step etc., after particularly after this initial step, the body of rod of gained first molds multiple thread via threading step, again via in this afterbody forming step, prepare the forming machine that has drip molding, this drip molding is again along the angle of inclination of this one thread simultaneously, two inclinations are molded and symmetrical cutting face on this body of rod, this joint, two cutting faces is formed with a cutting edge simultaneously, connect with the one ora terminalis of this cutting edge to make this thread end, a procedure for processing connects with the one ora terminalis of this cutting edge so precisely can control this thread, establish outside effect so as to increasing the lock used, and greatly reduce the disappearance producing bad thread in manufacture process.
Description
Technical field
The present invention relates to a kind of manufacture method, refer in particular to a kind of screw manufacture method.
Background technology
Consult Fig. 1, a kind of screw 1 includes the afterbody 13 that spiral shell head 12, that a body of rod 11, is located at this body of rod 11 one end is located at this body of rod 11 other end, and the thread 14 on this body of rod 11 is located at by multiple helical ring; Wherein, this afterbody 13 is formed with the cutting face 131 of two inclinations, and this joint, two cutting face 131 is formed with a cutting edge 132, multiple thread 14 be located on this body of rod 11 extends to this cutting edge 132 simultaneously, and connect with the one ora terminalis of this cutting edge 132, during to make this screw 1 sealed, extend to the design of this cutting edge 132 one end by this thread 14, increase the chip removal of this screw 1 lock when establishing, reduce torsion, split material and promote the locks such as sealed speed when preventing lock from establishing and establish effect.
But consult Fig. 2, Fig. 3, the existing screw manufacture method 2 for the manufacture of above-mentioned screw 1, sequentially includes material preparation step 21, initial step 22, afterbody forming step 23 and threading step 24; Wherein, this material preparation step 21 first prepares the stock 3 of a metal material, then again this stock 3 is molded a spiral shell head 31 respectively, and one by the outward extending body of rod 32(of this spiral shell head 31 and initial step 22), and on this body of rod 32 and mold two cutting face 33(and afterbody forming step 23 in contrast to this spiral shell head 31 one end), and one is formed at cutting edge 331 between two cutting faces 33, afterwards again by this body of rod 32 through threading step 24, to form the thread 34 that multiple helical ring is established on this body of rod 32; So, this screw manufacture method 2 has following disappearance, and hereby details are as follows:
1. this screw manufacture method 2 existing, after this body of rod 32 is first molded two cutting faces 33 by it, when being this body of rod 32 carries out threading, in the process of threading, whether be difficult to control this thread 34 engages on one end of this cutting edge 331, after causing manufacture, this thread 34 is not often engaged on one end of this cutting edge 331 exactly, this screw 30 follow-up is locked and establishes effect greatly to reduce.
2. moreover, this body of rod 32 first shaping provide the afterbody in two cutting faces 33 after, owing to there is the afterbody in this two cutting face 33 not for cylindric, easily cause causing the shaping uneven phenomenon of this thread 34 in this thread 34 and follow-up threading process, that is this screw 30 can produce the facts of bad thread 34, cause the screw 30 of a lot of defective products of the easy output of production process, to be improved.
In view of this, the present inventor for above-mentioned screw manufacture method not being attained perfect caused many disappearances and inconvenience, and deeply conceives, and active research improvement has a fling at and development and Design goes out this case.
Summary of the invention
The object of the present invention is to provide a kind of screw manufacture method, it precisely can control thread and connect with the one ora terminalis of cutting edge, except effect established by the lock that can increase use, more can avoid the effects such as the bad screw of a large amount of bad thread of output in manufacture process simultaneously.
In order to reach above-mentioned purpose, solution of the present invention is:
A kind of screw manufacture method, it sequentially includes:
One material preparation step, prepares the stock of a metal material;
One initial step, forms a spiral shell head respectively by this stock, and one by the outward extending body of rod of this spiral shell head;
One threading step, it molds the thread that multiple helical ring is established on this body of rod; And
One afterbody forming step, it prepares the forming machine that has drip molding, this drip molding is along the angle of inclination of this one thread simultaneously, two inclinations are molded and symmetrical cutting face on this body of rod, this joint, two cutting faces is formed with a cutting edge simultaneously, and this thread end connects with the one ora terminalis of this cutting edge.
Above-mentioned drip molding is the mould of two corresponding settings, and this mould has a machined surface, when these machined surfaces carry out punching press for this body of rod, molds two cutting faces relative with this machined surface.
Above-mentioned drip molding is a cutter, and this cutter cuts along the angle of inclination of this one thread, and cutting forming goes out two cutting faces.
A smooth shape is formed in this body of rod free end in above-mentioned threading step.
Formed one cone-shaped in above-mentioned threading step in this body of rod free end.
After adopting said structure, screw manufacture method of the present invention has really effect and promotes part, be summarized as follows:
1. screw manufacture method of the present invention, by the body of rod of gained in this initial step, after first forming multiple thread via this threading step on this body of rod, carry out the shaping of these cutting faces again, so, in the forming process in these cutting faces, precisely can control these threads and connect with its one end of cutting edge, make follow-up lock establish effect greatly to promote.
2. still continuous aforementioned, due to this body of rod carry out threading time, this body of rod still presents cylindric, in therefore threading process, can not cause the inequality in the volume distributed median in thread forming process, certainly just greatly can reduce outside the generation of bad thread, more can promote workmanship.
Accompanying drawing explanation
The screw schematic diagram of Fig. 1 for manufacturing;
Fig. 2 existing screw manufacture method process block diagram;
Fig. 3 existing screw manufacture method flow chart;
The process block diagram of Fig. 4 a preferred embodiment of the present invention; And
The method flow diagram of Fig. 5 a preferred embodiment of the present invention.
Main element symbol description
4 screw manufacture methods
41 material preparation step 42 initial step
43 threading step 44 afterbody forming steps
5 stock 51 spiral shell heads
52 body of rod 53 threads
54 cutting face 541 cutting edges
6 forming machine 61 drip moldings.
Detailed description of the invention
In order to explain technical scheme of the present invention further, below by specific embodiment, the present invention will be described in detail.
Before the present invention is described in detail, it should be noted that in the following description, similar element represents with identical numbering.
Consult Fig. 4, Fig. 5, screw manufacture method 4 first of the present invention preferred embodiment, it sequentially includes material preparation step 41, initial step 42, threading step 43 and afterbody forming step 44 etc.; Wherein, this material preparation step 41 prepares the stock 5 of a metal material; Separately, this stock 5 is molded a spiral shell head 51 by this initial step 42 respectively, and one by the outward extending body of rod 52 of this spiral shell head 51; As for, this threading step 43 is for the thread 53 this body of rod 52 aforementioned molding multiple helical ring and establish, and simultaneously in the present embodiment, this body of rod 52 end can be a smooth shape, or be one cone-shaped, and this body of rod 52 end of the present embodiment illustrate for a smooth shape.
Still continuous aforementioned, this afterbody forming step 44 prepares the forming machine 6 that has drip molding 61, this drip molding 61 can along the angle of inclination of this one thread 53, so that when this drip molding 61 is shaping for this body of rod 52, this body of rod 52 can be formed with two cutting faces 54, and these joints, cutting face 54 are formed with a cutting edge 541, this thread 53 just connects with the one ora terminalis of this cutting edge 541 simultaneously, and in the present embodiment, this drip molding 61 is the mould of two corresponding settings, and this mould has a machined surface, when utilizing these machined surfaces to carry out punching press for this body of rod, mold two cutting faces 54 relative with this machined surface whereby, or this drip molding 61 is a cutter, so that this cutter can cut along the angle of inclination of this one thread 53, go out two cutting faces 54 with cutting forming, and this drip molding 61 only illustrates for cutter in the present embodiment, be with, the body of rod 52 of gained first carries out after threading molds multiple thread 53 after this initial step 42, carry out this afterbody forming step 44 again, therefore in this afterbody forming step 44, can along the angle of inclination of this one thread 53 by this drip molding 61, so that this body of rod 52 molds two cutting faces 54, this thread 53 just connects with the one ora terminalis of this cutting edge 541 simultaneously, so precisely can control this thread 53 to connect with the one ora terminalis of this cutting edge 541, increasing lock establishes outside effect, more can avoid the effect producing bad thread 53 in manufacture process simultaneously.
By above-mentioned explanation, when learning that this screw manufacture method 4 of the present invention has effect really promotes part, is summarized as follows:
1. screw manufacture method 4 of the present invention, by the body of rod 52 of gained in this initial step 42, after first forming multiple thread 53 via this threading step 43 on this body of rod 52, carry out the shaping of these cutting faces 54 again, so, in the forming process in these cutting faces 54, precisely can control these threads 53 and connect with its one end of cutting edge 541, make follow-up lock establish effect greatly to promote.
2. still continuous aforementioned, due to this body of rod 52 carry out threading time, this body of rod 52 still presents cylindric, therefore in threading process, the inequality in the volume distributed median in thread 53 forming process can not be caused, certainly just greatly can reduce outside the generation of bad thread 53, more can promote workmanship.
Conclude aforementioned, screw manufacture method of the present invention, its body of rod formed after being this initial step, after first molding through this threading step the thread that multiple helical ring establishes on this body of rod, when utilizing this drip molding to carry out shaping along the angle of inclination of this one thread, two cutting faces are formed on this body of rod, and one is located at cutting edge between this two cutting face, precisely control this thread whereby to connect with the one ora terminalis of this cutting edge, so as to improving outside the quality of production, the lock simultaneously increasing use is established outside effect, and greatly reduce the effect producing bad thread in manufacture process.
Above-described embodiment and accompanying drawing non-limiting product form of the present invention and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present invention.
Claims (5)
1. a screw manufacture method, is characterized in that, sequentially includes:
One material preparation step, prepares the stock of a metal material;
One initial step, forms a spiral shell head respectively by this stock, and one by the outward extending body of rod of this spiral shell head;
One threading step, it molds the thread that multiple helical ring is established on this body of rod; And
One afterbody forming step, it prepares the forming machine that has drip molding, this drip molding is along the angle of inclination of this one thread simultaneously, carry out shaping with the both sides respectively for this body of rod, and on this body of rod, mold two inclinations and symmetrical cutting face, this joint, two cutting faces is formed with the cutting edge of tool two ora terminalis simultaneously, and this thread end connects with the one ora terminalis of this cutting edge.
2. screw manufacture method as claimed in claim 1, it is characterized in that: this drip molding is the mould of two corresponding settings, and this mould has a machined surface, when the machined surface of this two corresponding mould carries out punching press for this body of rod, mold two cutting faces relative with this machined surface.
3. screw manufacture method as claimed in claim 1, is characterized in that: this drip molding is a cutter, and this cutter cuts along the angle of inclination of this one thread, and cutting forming goes out two cutting faces.
4. screw manufacture method as claimed in claim 1, is characterized in that: form a smooth shape in this body of rod free end in this threading step.
5. screw manufacture method as claimed in claim 1, is characterized in that: formed one cone-shaped in this threading step in this body of rod free end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210340461.4A CN102862025B (en) | 2012-09-14 | 2012-09-14 | Screw manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210340461.4A CN102862025B (en) | 2012-09-14 | 2012-09-14 | Screw manufacture method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102862025A CN102862025A (en) | 2013-01-09 |
| CN102862025B true CN102862025B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210340461.4A Active CN102862025B (en) | 2012-09-14 | 2012-09-14 | Screw manufacture method |
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| Country | Link |
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| CN (1) | CN102862025B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114378226B (en) * | 2020-10-19 | 2024-04-09 | 精法精密工业股份有限公司 | Manufacturing method of multifunctional fastener |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5186688A (en) * | 1991-07-26 | 1993-02-16 | Hargo 300-Technology, Inc. | Method of manufacturing austenitic stainless steel drill screws |
| CN1827291A (en) * | 2005-03-03 | 2006-09-06 | 陈河田 | Tapping screw making method |
| CN101352793A (en) * | 2007-07-26 | 2009-01-28 | 联钢紧固系统（上海）有限公司 | Method for processing high-cleaning high-accurate computer hard disc screw |
| CN101362277A (en) * | 2007-08-06 | 2009-02-11 | 顶好科技股份有限公司 | Manufacture method of composite screw |
| CN101994741A (en) * | 2009-08-19 | 2011-03-30 | 赵颖庆 | Method for producing screw with spiral chip removal flute and finished product of screw |
-
2012
- 2012-09-14 CN CN201210340461.4A patent/CN102862025B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5186688A (en) * | 1991-07-26 | 1993-02-16 | Hargo 300-Technology, Inc. | Method of manufacturing austenitic stainless steel drill screws |
| CN1827291A (en) * | 2005-03-03 | 2006-09-06 | 陈河田 | Tapping screw making method |
| CN101352793A (en) * | 2007-07-26 | 2009-01-28 | 联钢紧固系统（上海）有限公司 | Method for processing high-cleaning high-accurate computer hard disc screw |
| CN101362277A (en) * | 2007-08-06 | 2009-02-11 | 顶好科技股份有限公司 | Manufacture method of composite screw |
| CN101994741A (en) * | 2009-08-19 | 2011-03-30 | 赵颖庆 | Method for producing screw with spiral chip removal flute and finished product of screw |
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| Publication number | Publication date |
|---|---|
| CN102862025A (en) | 2013-01-09 |
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