CN102031649B - Outer shuttle of rotating shuttle and manufacturing process thereof - Google Patents
Outer shuttle of rotating shuttle and manufacturing process thereof Download PDFInfo
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- CN102031649B CN102031649B CN201010621016A CN201010621016A CN102031649B CN 102031649 B CN102031649 B CN 102031649B CN 201010621016 A CN201010621016 A CN 201010621016A CN 201010621016 A CN201010621016 A CN 201010621016A CN 102031649 B CN102031649 B CN 102031649B
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Abstract
The invention discloses an outer shuttle of a rotating shuttle and a manufacturing process thereof. The outer shuttle of the rotating shuttle comprises an outer shuttle body and a half cone frustum which are integrated, wherein a round axle hole is formed in the axle center of the half cone frustum; the outer shuttle body comprises an arc lateral wall and a shoulder part connected with the half cone frustum; a concave inner shuttle seat for assembling an inner shuttle is formed on the arc lateral wall; a circle of rail groove is formed on the inner wall of the arc lateral wall along the circumference; and an oil inlet channel communicated with the axle hole and the rail groove is formed in the half cone frustum and the outer shuttle body. The outer shuttle of the rotating shuttle directly supplies oil through the oil inlet channel; no felt is arranged at an oil outlet; the oil inlet channel has a simple structure and good lubrication effect, and is convenient to manufacture; the outer shuttle has a novel entire structure, is resistant to high temperature and wear, and saves processes; and the outer shuttle of the rotating shuttle can be manufactured in large scale through a powder metallurgical process; and the technical problems of stuck phenomenon and rail abrasion due to oil insufficiency or oil lack caused by unsmooth oil supply when the outer shuttle of the rotating shuttle runs at a high speed.
Description
Technical field
The present invention relates to the rotating shuttle of use in sewing machine, specifically can pass through outer shuttle of a kind of rotating shuttle and manufacturing technique that technologies such as powder metallurgy, casting or turnning and milling are made.
Background technology
The rotating shuttle of high speed parallel sewing machine of the prior art is to be combined by outer shuttle, interior shuttle, spring leaf, pressing plate, and wherein, interior shuttle is colluded on the base plate that is fixed on casing by the location; Outer shuttle is made high speed rotary motion under lower shaft drives; The track of interior shuttle is convex, and the track of outer shuttle is spill, and Nei Suo does the contact relative motion with outer shuttle; In the shuttle oil circuit is set outside, adopts oil lubrication between Nei Suo and the outer shuttle.
Patent of invention title: the rotating shuttle trace oil supply mechanism of high speed sewing machine; The patent No.: 200920071681.5 disclose a kind of rotating shuttle trace oil supply mechanism of high speed sewing machine, comprise that mainly rotating shuttle, lower shaft, lower shaft protheca, are installed with the oily spool of oily line, the oily coil holder of a fixed oils line, a draw-off tray.The front end of lower shaft protheca is provided with the oily coil holder chamber that can hold an oily coil holder.One end of oil spool stretches in the fuel tank or food tray of fuel feeding, and the other end links to each other with the oily coil holder chamber of lower shaft protheca.Be installed with the mat capillarity in this oil spool and carry the oily line of lubricating oil, its lower end is stretched in the fuel tank or food tray of fuel feeding, and the upper end is stretched in the oily coil holder chamber of lower shaft protheca front end, and is fixed on the oily coil holder.The oil coil holder is embedded in the oily coil holder chamber of lower shaft protheca front end, and is quick condition and is enclosed within on the lower shaft.The oil line is after twining on this oil coil holder, and the oily line of its front side protrudes from oily coil holder, forms an oily line protuberance.Draw-off tray is between lower shaft protheca and the rotating shuttle, before the oily coil holder; Be installed on the lower shaft; Its nearly oily coil holder one side has an oil recovery chamber, and this oil recovery chamber is big back taper chamber, a young end, and forms the oil groove that gathers with store oil function in the outer, bottom in back taper chamber; Gather the oil groove place and be provided with the oil transportation hole that passes to this draw-off tray offside, the baseplane of gathering oil pocket leans against on the oil line protuberance of oily coil holder front side.Nearly draw-off tray one side of rotating shuttle is provided with one and gathers oil pocket, and this gathers oil pocket also is big back taper chamber, a young end, and forms the oil groove that gathers with store oil function in the outer, bottom in back taper chamber, closely gathers the oil groove place and is provided with the oil transportation hole that passes to the rotating shuttle guide-track groove.
The outer shuttle of existing sewing machine rotating shuttle assembly generally adopts technology such as turnning and milling to process, and manufacturing technique is complicated, cost is high, quality is unstable.Oil supply system adopts indirect fuel supply method, is prone to cause fuel feeding freely not cause outer shuttle running up down, thereby service life and result of use stuck and track wearing and tearing reduction rotating shuttle occur because of lacking oil or oil starvation.
Summary of the invention
Technical problem to be solved by this invention is to above-mentioned prior art present situation; And novel structure, the outer shuttle of a kind of rotating shuttle high temperature resistant, wear-resistant, that economize technology and manufacturing technique be provided; Can guarantee effectively that the outer shuttle of rotating shuttle is running up down; Not stuck, high temperature resistant, wear-resistant, improved rotating shuttle service life and result of use significantly.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: the outer shuttle of a kind of rotating shuttle, comprise the outer shuttle body and the semicircle platform that are made into integration, and the axle center of semicircle platform is shaped on circular axis hole; Outer shuttle body comprises circular arc sidewall and the shoulder that is connected with the semicircle platform, and the circular arc sidewall constitutes shuttle seat in the spill that is used for equipped interior shuttle, circumferentially is shaped on a circle orbital groove on the inwall edge of circular arc sidewall; Be shaped on the oil inlet passage that is communicated with said axis hole and orbital groove in semicircle platform and the outer shuttle body.
For optimizing technique scheme, the measure of taking also comprises:
Above-mentioned oil inlet passage is positioned at the shoulder and the circular arc sidewall of outer shuttle body, and passes the semicircle platform and be connected with axis hole.
Above-mentioned axis hole is shaped on annular groove near shoulder one end, and the bottom of said annular groove is shaped on the oil-in of oil inlet passage, is set with annular oil seal at annular groove and shoulder joint.
The bottom of the orbital groove of above-mentioned outer shuttle body is shaped on the oil-out of oil inlet passage, and the oil-in in the said axis hole is connected with the interior oil-out of orbital groove.
Above-mentioned semicircle platform comprises semi arch sidewall and the flat sidewall of joining with the semi arch sidewall, divides equally in the periphery of semi arch sidewall and flat sidewall to be shaped on two or three fixing threaded holes.
The shoulder of the flat sidewall of above-mentioned semicircle platform below be shaped on spill in the half-lune holes that is connected of shuttle seat.
The circular arc sidewall of above-mentioned outer shuttle body is shaped on the oblique angle breach, and a side of oblique angle breach is shaped on the line portion of colluding.
The circular arc sidewall of above-mentioned outer shuttle body is shaped on the fixing hole that is used for fixing pressing plate, after interior shuttle is fitted into orbital groove, pressing plate is fixed on the periphery of circular arc sidewall again.
The manufacturing technique of the outer shuttle of a kind of rotating shuttle of the present invention may further comprise the steps:
The blank that step 1, the outer shuttle body of processing and semicircle platform are made into integration, and pass through cylindrical and the interior shuttle seat of spill that the numerical control cutting center processes outer shuttle body;
Step 2, the angle of passing through the outer shuttle body of CNC milling machine processing and the flat sidewall of semicircle platform;
Step 3, bore fixing hole and the fixing threaded hole attack on center outer shuttle body of processing and the semicircle platform through numerical control;
Step 4, through drilling machine or punch processing oil inlet passage, described oil inlet passage comprises the second channel of oil-in to the first passage of shoulder and shoulder to oil-out;
Step 5, carry out polishing through the external shuttle body of polishing machine;
Step 6, heat-treat;
Step 7, carry out surface treatment, at electroplating nickel on surface;
Step 8, in annular groove equipped annular oil seal, be equipped with the hole oil sealing respectively at the first passage of shoulder and the port of second channel, obtain finished product.
Compared with prior art; Outer shuttle of a kind of rotating shuttle of the present invention and manufacturing technique can be passed through technology large-scale production such as powder metallurgy, casting, turnning and milling; Have novel structure, high temperature resistant, wear-resistant, the advantage of economizing technology,, felt need not be set at oil-out through the oil inlet passage DFF Direct Fuel Feed; So simple in structure, easy to make, the high lubricating effect of oil inlet passage; Solved the outer shuttle of rotating shuttle and run up down, technical barriers stuck and the track wearing and tearing do not occurred because of fuel feeding does not freely cause few oil or oil starvation to cause, and can make on a large scale through powder metallurgical technique.
Description of drawings
Fig. 1 is the front view of the embodiment of the invention;
Fig. 2 is the rearview of the embodiment of the invention;
Fig. 3 is the side sectional view of the embodiment of the invention.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail.
Fig. 1 is extremely shown in Figure 3 to be structural representation of the present invention.
Reference numeral wherein is: shuttle seat 1c, orbital groove 1d, half-lune holes 1e, oblique angle breach 1f, fixing hole 1g in outer shuttle body 1, circular arc sidewall 1a, shoulder 1b, the spill, collude the 1h of line portion, semicircle platform 2, axis hole 2a, annular groove 2b, semi arch sidewall 2c, flat sidewall 2d, oil inlet passage 3, oil-in 3a, oil-out 3b, hole oil sealing 31, annular oil seal 4.
As shown in Figure 1, the outer shuttle of a kind of rotating shuttle of the present invention comprises the outer shuttle body 1 and semicircle platform 2 that are made into integration.
Be shaped on circular axis hole 2a in the axle center of semicircle platform 2.Outer shuttle body 1 comprises circular arc sidewall 1a and the shoulder 1b that is connected with semicircle platform 2, and circular arc sidewall 1a constitutes shuttle seat 1c in the spill that is used for equipped interior shuttle, circumferentially is shaped on a circle orbital groove 1d on the inwall edge of circular arc sidewall 1a.
Be shaped on the oil inlet passage 3 that is communicated with axis hole 2a and orbital groove 1d in semicircle platform 2 and the outer shuttle body 1, through this oil inlet passage, when shuttle rotates at a high speed with respect to orbital groove 1d in making, the orbital groove 1d sufficient lubrication of shuttle seat 1c in the track of interior shuttle and the spill.
Oil inlet passage 3 of the present invention is positioned at the shoulder 1b and the circular arc sidewall 1a of outer shuttle body 1, and passes semicircle platform 2 and be connected with axis hole 2a.The outer shuttle of this a kind of rotating shuttle can be made through powder metallurgy on a large scale; Can in shoulder 1b and circular arc sidewall 1a, make straight oil duct respectively during making; These two oil ducts intersect connection then, and on shoulder 1b and circular arc sidewall 1a, hole oil sealing 31 are set, and oil-in 3a is linked to each other with oil-out 3b.The outer shuttle of a kind of rotating shuttle can also be made through technologies such as casting or turnning and millings.
As shown in Figure 2, be shaped on annular groove 2b at axis hole 2a near the end of shoulder 1b, the bottom of annular groove 2b is shaped on the oil-in 3a of oil inlet passage 3.As shown in Figure 3, be set with annular oil seal 4 at annular groove 2b and shoulder 1b joint.
The bottom of the orbital groove 1d of outer shuttle body 1 is shaped on the oil-out 3b of oil inlet passage 3, and the oil-in 3a in the axis hole 2a is connected with the interior oil-out 3b of orbital groove 1d.The outer shuttle of a kind of rotating shuttle of the present invention is not provided with felt at oil-out 3b, so oil inlet passage 3 is simple in structure, easy to make.
Semicircle platform 2 comprises semi arch sidewall 2c and the flat sidewall 2d that joins with semi arch sidewall 2c, divides equally in the periphery of semi arch sidewall 2c and flat sidewall 2d to be shaped on two or three fixing threaded holes.
The shoulder 1b of the flat sidewall 2d of semicircle platform 2 below be shaped on spill in the half-lune holes 1e that is connected of shuttle seat 1c.
The circular arc sidewall 1a of outer shuttle body 1 is shaped on oblique angle breach 1f, and the side of oblique angle breach 1f is shaped on colludes the 1h of line portion.The circular arc sidewall 1a of outer shuttle body 1 is shaped on the fixing hole 1g that is used for fixing pressing plate, after interior shuttle is fitted into orbital groove 1d, again pressing plate is fixed on circular arc sidewall 1a periphery.
The manufacturing technique of the outer shuttle of a kind of rotating shuttle of the present invention may further comprise the steps:
The blank that step 1, the outer shuttle body 1 of processing and semicircle platform 2 are made into integration, and pass through cylindrical and the interior shuttle seat 1c of spill that the numerical control cutting center processes outer shuttle body 1; In the present embodiment, semicircle platform 2 high 8mm, external diameter is 22mm; The external diameter of outer shuttle body 1 is 31mm.
Step 2, the angle of passing through the outer shuttle body 1 of CNC milling machine processing and the flat sidewall 2d of semicircle platform 2;
Step 3, bore fixing hole 1g and the fixing threaded hole attack on center outer shuttle body 1 of processing and the semicircle platform 2 through numerical control;
Step 4, through drilling machine or punch processing oil inlet passage 3, described oil inlet passage 3 comprises the second channel of oil-in 3a to the first passage of shoulder 1b and shoulder 1b to oil-out 3b; The axis of first passage becomes 2.5 ° to 3 ° angles among Fig. 3 with perpendicular, and the axis of second channel becomes 2.5 ° to 3 ° angles with horizontal plane; The diameter of first passage and second channel is 1mm to 1.2mm;
Step 5, carry out polishing through the external shuttle body 1 of polishing machine;
Step 6, heat-treat; Step 7, carry out surface treatment, at electroplating nickel on surface;
Step 8, in annular groove 2b equipped annular oil seal 4, be equipped with hole oil sealing 31 respectively at the first passage of shoulder and the port of second channel, obtain finished product.
Most preferred embodiment of the present invention is illustrated, and various variations or the remodeling made by those of ordinary skills can not depart from the scope of the present invention.
Claims (1)
1. the manufacturing technique of the outer shuttle of rotating shuttle comprises the outer shuttle body (1) and the semicircle platform (2) that are made into integration, it is characterized in that: the axle center of described semicircle platform (2) is shaped on circular axis hole (2a); Described outer shuttle body (1) comprises circular arc sidewall (1a) and the shoulder (1b) that is connected with semicircle platform (2); Described circular arc sidewall (1a) constitutes shuttle seat (1c) in the spill that is used for equipped interior shuttle, circumferentially is shaped on a circle orbital groove (1d) on the inwall edge of circular arc sidewall (1a); Be shaped on the oil inlet passage (3) that is communicated with said axis hole (2a) and orbital groove (1d) in described semicircle platform (2) and the outer shuttle body (1); Described oil inlet passage (3) is positioned at the shoulder (1b) and the circular arc sidewall (1a) of outer shuttle body (1), and passes described semicircle platform (2) and be connected with described axis hole (2a); Described axis hole (2a) is shaped on annular groove (2b) near shoulder (1b) end, and the bottom of said annular groove (2b) is shaped on the oil-in (3a) of oil inlet passage (3), is set with annular oil seal (4) in annular groove (2b) and described shoulder (1b) joint; The bottom of the orbital groove (1d) of said outer shuttle body (1) is shaped on the oil-out (3b) of oil inlet passage (3), and the oil-in (3a) in the said axis hole (2a) is connected with the interior oil-out (3b) of orbital groove (1d); Described semicircle platform (2) comprises semi arch sidewall (2c) and the flat sidewall (2d) of joining with semi arch sidewall (2c), divides equally in the periphery of semi arch sidewall (2c) and flat sidewall (2d) to be shaped on two or three fixing threaded holes; The shoulder (1b) of the flat sidewall (2d) of described semicircle platform (2) below be shaped on spill in the half-lune holes (1e) that is connected of shuttle seat (1c); The circular arc sidewall (1a) of described outer shuttle body (1) is shaped on oblique angle breach (1f), and a side of oblique angle breach (1f) is shaped on the line portion (1h) of colluding; The circular arc sidewall (1a) of described outer shuttle body (1) is shaped on the fixing hole (1g) that is used for fixing pressing plate;
Its technology may further comprise the steps: the blank that step 1, processing outer shuttle body (1) and semicircle platform (2) are made into integration, and pass through cylindrical and the interior shuttle seat (1c) of spill that the numerical control cutting center processes outer shuttle body (1);
Step 2, the angle of passing through the CNC milling machine outer shuttle body of processing (1) and the flat sidewall (2d) of semicircle platform (2);
Step 3, bore fixing hole (1g) and the fixing threaded hole attack on center processing outer shuttle body (1) and the semicircle platform (2) through numerical control;
Step 4, through drilling machine or punch processing oil inlet passage (3), described oil inlet passage (3) comprises that oil-in (3a) arrives the second channel of oil-out (3b) to the first passage of shoulder (1b) and shoulder (1b);
Step 5, carry out polishing through the external shuttle body of polishing machine (1);
Step 6, heat-treat;
Step 7, carry out surface treatment, at electroplating nickel on surface;
Step 8, in annular groove (2b) equipped annular oil seal (4), be equipped with hole oil sealing (31) respectively at the first passage of shoulder and the port of second channel, obtain finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201010621016A CN102031649B (en) | 2010-12-24 | 2010-12-24 | Outer shuttle of rotating shuttle and manufacturing process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010621016A CN102031649B (en) | 2010-12-24 | 2010-12-24 | Outer shuttle of rotating shuttle and manufacturing process thereof |
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| CN102031649A CN102031649A (en) | 2011-04-27 |
| CN102031649B true CN102031649B (en) | 2012-10-03 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102161150B (en) * | 2011-05-19 | 2012-10-03 | 宁波市鄞州勇耀缝制机械有限公司 | Manufacturing process of external shuttle of rotating shuttle |
| CN105312856B (en) * | 2015-11-20 | 2017-07-28 | 靖江市佳佳工程机械制造有限公司 | A kind of processing method of rotary shuttle race |
| CN107858792A (en) * | 2017-12-10 | 2018-03-30 | 绍兴信和皮塑工艺制品有限公司 | A kind of bobbin thread for sewing machine feedway and bind |
| CN109487451B (en) * | 2018-11-15 | 2021-01-12 | 东阳市太极精密制造有限公司 | High-capacity rotating shuttle with oil storage cavity and oil supply mechanism comprising rotating shuttle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3990740B2 (en) * | 1994-03-31 | 2007-10-17 | Ｊｕｋｉ株式会社 | Sewing machine oil quantity limiting member |
| CN1060981C (en) * | 1996-09-27 | 2001-01-24 | 财团法人工业技术研究院 | Manufacture of precise cop latch |
| CN1847502B (en) * | 2005-04-11 | 2011-07-27 | 源丰精密科技股份有限公司 | Outer shuttle of sewing machine and its making process |
| CN101033576A (en) * | 2006-03-10 | 2007-09-12 | 史蒂夫·张 | Rotating shuttle for sewing |
| CN101307427B (en) * | 2008-02-03 | 2010-09-29 | 西安理工大学 | Oil-free processing method of ion plating GIC depositing of high speed sewing machine rotating shuttle |
| JP2009226005A (en) * | 2008-03-24 | 2009-10-08 | Brother Ind Ltd | Lubricant feed mechanism for hook of sewing machine and sewing machine |
| CN201416093Y (en) * | 2009-05-06 | 2010-03-03 | 浙江方正电机股份有限公司 | Rotating shuttle micro oil supply mechanism for high-speed sewing machine |
| CN201915233U (en) * | 2010-12-24 | 2011-08-03 | 宁波市鄞州勇耀缝制机械有限公司 | Outer shuttle of rotating shuttle with direct oil supply function |
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Denomination of invention: A rotary shuttle and its manufacturing process Effective date of registration: 20210827 Granted publication date: 20121003 Pledgee: Ningbo Yinzhou Rural Commercial Bank Co.,Ltd. Yunlong sub branch Pledgor: NINGBO YINZHOU YONGYAO SEWING MACHINERY Co.,Ltd. Registration number: Y2021330001256 |