CN101134220B - Technique of processing sewing machine shuttle putamen stay wire bore ram compression angle and mold thereof - Google Patents
Technique of processing sewing machine shuttle putamen stay wire bore ram compression angle and mold thereof Download PDFInfo
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- CN101134220B CN101134220B CN2006100531928A CN200610053192A CN101134220B CN 101134220 B CN101134220 B CN 101134220B CN 2006100531928 A CN2006100531928 A CN 2006100531928A CN 200610053192 A CN200610053192 A CN 200610053192A CN 101134220 B CN101134220 B CN 101134220B
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Abstract
The present invention relates to sewing machine part producing technology, and is especially the punching process and punch die for machining the thread hole in shuttle case of sewing machine. The present invention aims at machining thread hole in shuttle case of sewing machine with smooth edge and less damage to thread. The punching process includes punching the outside of the thread hole with one upper punch die, punching the inside of the thread hole with one lower punch die and maintaining arc smooth transition between different punched surfaces.
Description
Technical field
The present invention relates to a kind of sewing machine part producing technology, especially relate to a kind of technology and mould thereof of processing sewing machine shuttle putamen stay wire bore ram compression angle.
Background technology
Because China's Sewing Machine woker is crossed the development of decades already, formed and had considerable scale and certain level, output occupies first place in the world, and world sewing machine producing country mainly concentrates on a few countries and areas such as Germany, Japan, China and Korea S at present.China's industrial sewing machine output maximum accounts for more than 50% of worldwide production.At present, China has become universally acknowledged sewing machine big producing country and has used big country.Simultaneously, China is again maximum sewing machine market, and therefore, famous in the world major company all transfers to China now, along with increasing developed country transfers to China with its stitch machine manufacturing industry, the general layout that China and foreign countries' stitch machine is raced on the same stage highlights day by day.In recent years, that China's stitch machine industry has begun to change is of low grade in the world, quantity is many, low-cost image, and having stepped into the technological innovation is the Rapid development stage of principal character.When establishing independent intellectual property right, by type of production to producing developing transformation, product by copy to create, by low price to high added value, by single variety in enormous quantities to the many kinds development of small lot.
Since the sewing machine invention was come out, people had done continuous raising and improvement to it, and are convenient in operation, improve the sewing efficiency aspect and done many work.Along with making the extensive development of industry, sewing machine is also had higher requirement, wherein the raising of sewing efficiency is one of continuous important topic of pursuing of people all the time, requires more urgent aspect industrial sewing machines.
Constantly improve and improve the production technology of sewing machine component, improve and the quality of improving sewing machine component has crucial meaning for sewing machine industry and textile industry, at cost with technically all will surmount external technology by autonomous innovation.
Bobbin case is one of strength member of forming by sewing machine, and the quality of its quality has determined the stability of sewing machine running, the quality of production, the efficient of production; There are a lot of problems in bobbin case always, though can use reluctantly, but very big influence is arranged for production, in the process of using, line is rubbed easily such as the sewing machine bobbin case, wherein chief reason is that the edge in backguy hole is too sharp, as shown in Figure 3, thus make line in backguy hole (3a), because stressed excessive being rubbed.
At present, produce problems such as balling-up, broken string in order to overcome in the process of using sewing machine, the method that adopts is the method for chemical process mostly, for example adopts the method for plating or clad material; Further method can be to the direct modification of the material of sewing machine component, but the cost of these ways is very large beyond doubt, and the basic way that neither address this is that, because the material that coats has its certain useful life, after the long-time use of part, the material that coats in the above must wear and tear, like this, and in order in the process of using sewing machine, to produce problems such as balling-up, broken string again again.It as a kind of patent No. 93101180.9 sewing machine component, his technical characterictic is: in order to prevent the generation of balling-up, broken string, improve durability simultaneously, at piece surfaces such as inward turning bobbin case, outward turning bobbin case, peg or spindle, bobbin case, thread take-up tension lever, presser feet, rotating shuttle frame and the rotating shuttle bar coating titanium nitride of sewing machine.The price of titanium alloy is very expensive, produces problems such as balling-up, broken string for solving in the process of using sewing machine, and uses so expensive metal to address this problem, and too waste and luxurious seems.
Summary of the invention
The present invention mainly be at existing in prior technology in using the process of sewing machine, because the backguy bore edges out-of-flatness of bobbin case, produce technical problems such as balling-up, broken string, provide a kind of rational in infrastructure, can smooth backguy bore edges, make technology and the mould thereof of backguy hole to the processing sewing machine shuttle putamen stay wire bore ram compression angle of advantages such as the damage of line reduces.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: mould is made up of two parts, last cylinder lower end radially is provided with a upper punch, last cylinder and upper punch are for being made into integration, again through processing, produce arc-shaped transition, following cylinder axially is provided with low punch perpendicular to it, and low punch is installed in down on the cylinder for embedding.
As preferably, described cylinder down is hollow circular cylinder; Cylinder is made and has hollowly not only been saved material, and mould strength is increased.
As preferably, described upper punch and last cylindrical junction are arc-shaped transition; This arc-shaped transition can be processed the backguy hole, makes the edge slyness in backguy hole.
As preferably, the top of described low punch and the sidewall of low punch have one to be arc-shaped transition; This arc-shaped transition can be processed the backguy hole, makes the edge slyness in backguy hole.
As preferably, described arc-shaped transition is a section of circular arc; Arc-shaped transition can be the arc-shaped transition of multiple shape, and is the most suitable with the transition of circular arc.
A kind of technology of processing sewing machine shuttle putamen stay wire bore ram compression angle, its process is: uses upper punch that punching press is carried out in the outside in backguy hole, uses low punch that punching press is carried out in the inboard in backguy hole, during punching press, out-of-flatness place of arc-shaped transition contact backguy hole surface.
As preferably, described backguy hole is connected for slick and sly arc with the surface of bobbin case, and the backguy hole surface is the arc of slyness.
Characteristics such as therefore, the present invention has flow process rationally, simply, and mould structure is simple, reasonable, easy to use, process by backguy hole, form the punching press angle, make the corner slyness in sewing machine bobbin case backguy hole the sewing machine bobbin case, online when passing sewing machine bobbin case backguy hole, be difficult for rubbing; Processing procedure is simple to operation, uses the method for machinery, rather than adopts chemical process, and cost is low, efficient height, effect even surpass the result of chemical processes.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the bobbin case processed of the present invention;
Accompanying drawing 2 is a kind of structural representations of the bobbin case processed of the present invention;
Accompanying drawing 3 is generalized sections of the bobbin case processed of correlation technique of the present invention;
Accompanying drawing 4 is generalized sections of the bobbin case processed of the present invention;
Accompanying drawing 5 is a kind of structural representations of mould of the present invention;
Accompanying drawing 6 is a kind of structural representations of mould of the present invention;
Accompanying drawing 7 is a kind of structural representations of mould of the present invention;
Accompanying drawing 8 is a kind of structural representations of mould of the present invention.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1:
As shown in Figure 1 and Figure 2, a side of bobbin case 2 has backguy hole 1, and backguy hole 1 is of the present invention as long as handle object; As shown in Figure 3, the backguy hole surface 3a out-of-flatness of old fabrication techniques easily makes line rub; As shown in Figure 4, after present technique was handled through punching press backguy hole surface 3b, the backguy hole surface was very slick and sly, has reached intended purposes; As Fig. 5, shown in Figure 6, last cylinder 5 lower ends radially are provided with a upper punch 6, and last cylinder and upper punch are for being made into integration, again through processing, produce arc-shaped transition 4, following cylinder 7 axially is provided with low punch 8 perpendicular to it, and low punch 8 is installed in down on the cylinder 7 for embedding.The sidewall of the top of low punch 8 and low punch 8 has one to be arc-shaped transition 4, and arc-shaped transition is to handle the critical piece of backguy hole surface.
During use, upper punch 6 acts on the outside in backguy hole 1, and low punch 8 acts on the inboard in backguy hole 1; Twice processing is finished respectively.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technical staff of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used terms such as backguy hole 1, last cylinder 5, upper punch 6, following cylinder 7, low punch 8, arc-shaped transition 4 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (5)
1. the mould of a processing sewing machine shuttle putamen stay wire bore ram compression angle is characterized in that mould is made up of two parts, and last cylinder (5) lower end radially is provided with a upper punch (6), and following cylinder (7) axially is provided with low punch (8) perpendicular to it; Described upper punch (6) is arc-shaped transition (4) with the junction of last cylinder (5); The sidewall of the top of described low punch (8) and low punch (8) has one to be arc-shaped transition (4).
2. the mould of processing sewing machine shuttle putamen stay wire bore ram compression angle according to claim 1 is characterized in that described cylinder (7) down is hollow circular cylinder.
3. the mould of processing sewing machine shuttle putamen stay wire bore ram compression angle according to claim 1 and 2 is characterized in that described arc-shaped transition (4) a section for circular arc.
4. the technology of a processing sewing machine shuttle putamen stay wire bore ram compression angle, its process is: use upper punch (6) that punching press is carried out in the outside of backguy hole (1), use low punch (8) that punching press is carried out in the inboard of backguy hole (1), during punching press, out-of-flatness place of arc-shaped transition (4) contact backguy hole surface.
5. the technology of processing sewing machine shuttle putamen stay wire bore ram compression angle according to claim 4 is characterized in that the surface of described backguy hole (1) and bobbin case (2) is connected for slick and sly arc through punching press processing back, and the backguy hole surface is slick and sly arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100531928A CN101134220B (en) | 2006-08-29 | 2006-08-29 | Technique of processing sewing machine shuttle putamen stay wire bore ram compression angle and mold thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100531928A CN101134220B (en) | 2006-08-29 | 2006-08-29 | Technique of processing sewing machine shuttle putamen stay wire bore ram compression angle and mold thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101134220A CN101134220A (en) | 2008-03-05 |
| CN101134220B true CN101134220B (en) | 2011-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2006100531928A Active CN101134220B (en) | 2006-08-29 | 2006-08-29 | Technique of processing sewing machine shuttle putamen stay wire bore ram compression angle and mold thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86207822U (en) * | 1986-10-09 | 1987-12-23 | 唐满江 | Simple wire-pulling device for driving curtain |
| CN2133598Y (en) * | 1991-11-28 | 1993-05-19 | 张伍良 | Shuttle joining structure of sewing machine |
| CN1090609A (en) * | 1993-01-13 | 1994-08-10 | 株式会社广濑制作所 | Sewing machine component |
| CN2232450Y (en) * | 1995-05-30 | 1996-08-07 | 张伍良 | Centre shuttle joining structure of sewing machine |
| CN1184174A (en) * | 1996-12-03 | 1998-06-10 | 源丰工业股份有限公司 | Forming method of semi-rotary shuttle for sewing machine |
| CN1442528A (en) * | 2003-04-08 | 2003-09-17 | 邵金林 | Manufacturing mathod of gripper shell body of gripper loom |
| CN2789295Y (en) * | 2005-05-08 | 2006-06-21 | 梁少俊 | Assembling internal shuttle for sewing machine rotary shuttle |
| CN2936485Y (en) * | 2006-08-29 | 2007-08-22 | 徐凤南 | Mould for processing shuttle case pull thread punching hole press of sewing machine |
-
2006
- 2006-08-29 CN CN2006100531928A patent/CN101134220B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86207822U (en) * | 1986-10-09 | 1987-12-23 | 唐满江 | Simple wire-pulling device for driving curtain |
| CN2133598Y (en) * | 1991-11-28 | 1993-05-19 | 张伍良 | Shuttle joining structure of sewing machine |
| CN1090609A (en) * | 1993-01-13 | 1994-08-10 | 株式会社广濑制作所 | Sewing machine component |
| CN2232450Y (en) * | 1995-05-30 | 1996-08-07 | 张伍良 | Centre shuttle joining structure of sewing machine |
| CN1184174A (en) * | 1996-12-03 | 1998-06-10 | 源丰工业股份有限公司 | Forming method of semi-rotary shuttle for sewing machine |
| CN1442528A (en) * | 2003-04-08 | 2003-09-17 | 邵金林 | Manufacturing mathod of gripper shell body of gripper loom |
| CN2789295Y (en) * | 2005-05-08 | 2006-06-21 | 梁少俊 | Assembling internal shuttle for sewing machine rotary shuttle |
| CN2936485Y (en) * | 2006-08-29 | 2007-08-22 | 徐凤南 | Mould for processing shuttle case pull thread punching hole press of sewing machine |
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| Publication number | Publication date |
|---|---|
| CN101134220A (en) | 2008-03-05 |
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Owner name: ZHEJIANG HUAYANG SEWING CO., LTD. Free format text: FORMER OWNER: XU FENGNAN Effective date: 20140807 |
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Effective date of registration: 20140807 Address after: 322111 Yanshan Industrial Zone, tiger deer Town, Jinhua, Zhejiang, Dongyang Patentee after: ZHEJIANG HUAYA MACHINE PARTS CO., LTD. Address before: 322111 Yanshan Industrial Zone, tiger deer Town, Dongyang, Zhejiang Patentee before: Xu Fengnan |