CN1542194A - Cloth pushing mechanism of thin barrel sewing machine - Google Patents
Cloth pushing mechanism of thin barrel sewing machine Download PDFInfo
- Publication number
- CN1542194A CN1542194A CNA200410043469XA CN200410043469A CN1542194A CN 1542194 A CN1542194 A CN 1542194A CN A200410043469X A CNA200410043469X A CN A200410043469XA CN 200410043469 A CN200410043469 A CN 200410043469A CN 1542194 A CN1542194 A CN 1542194A
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- China
- Prior art keywords
- eccentric cam
- roller
- sewing machines
- main shaft
- eccentric
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Abstract
This feeding device is provided with a feed unit with a roller engaged with the rear part upper surface of a cylinder bed for imparting intermittent drive to the roller by transmission from a main shaft. The feed unit is provided with a first eccentric cam rotatably attached to the eccentric pin of the main shaft, a second eccentric cam loosely fitted to the inner peripheral surface of the first eccentric cam and capable of adjusting an eccentric position to the main shaft by turning, an operation button engaged with the second eccentric cam, a feed rod provided around the first eccentric cam, an arm connected to the feed rod and rotatably pivoted, and a one-way clutch for switching the swing of the arm to intermittent drive in one direction. The operation button is arranged on a sewing machine arm upper surface and the one-way clutch is arranged inside a case body attached to the side part of a sewing machine arm back surface. To provide a feeding device of a thin cylinder sewing machine which can easily adjust the intermittent rotation amount of a roller for upper feed and make the device compact as a whole.
Description
Technical field
The feeding device of the thin tube Sewing machines when the present invention relates to be applicable to the cuff of making garment for children etc. particularly relates to rear portion upper face side at roller seat (シ リ Application ダ ベ Star De) and has feeding device with the roller of butt above the cloth.
Background technology
In the feeding device of traditional thin tube Sewing machines, dispose the feeding unit (for example, with reference to patent documentation 1) of main shaft as drive source at the back side of Sewing machines horn.This unit has the roller (promoting mainly the cloth roller) of butt above the rear portion with roller seat.The unit has the have a rest function of rotation amount of adjustable internode, utilizes this function to change the rotation at intermittence of roller.The unit is configured in the upright portion that establishes at the Sewing machines horn back side.
[patent documentation 1]
The Japan Patent spy opens 2001-300168 communique (the 3rd page right hurdle, Fig. 1)
Yet in the feeding device of traditional thin tube Sewing machines, intermittently the adjusting of rotation amount is to carry out at the back side of Sewing machines horn, and hand is difficult to reach, and operability is poor.Again because feeding is disposed at the upright portion that establishes at the Sewing machines horn back side with the unit, thus be disposed at the connecting elements to roller of the portion of making be about across shape, also influenced the aesthetic appearance of goods.
For this reason, problem of the present invention is, but adjusting that the roller that can easily use last feeding carries out rotation amount intermittently, and the feeding device of the thin tube Sewing machines of all miniaturizations of implement device are provided.
Summary of the invention
For achieving the above object, the feeding device of thin tube Sewing machines of the present invention comprises: the roller seat that crosses out from the base body; And have the roller of butt above the rear portion with roller seat and provide the feeding unit that intermittently drives by the transmission from main shaft to this roller, it is characterized in that the feeding unit has: be rotatably mounted in the 1st eccentric cam on the eccentric pin of main shaft; With the inner peripheral surface sliding gomphosis of the 1st eccentric cam, by rotating the 2nd eccentric cam that to regulate with respect to the eccentric position of main shaft; The operating knob that engages with the 2nd eccentric cam; Be arranged on the 1st eccentric cam feeding connecting rod on every side; Be connected, rotatably carry out the arm of axle supporting with the feeding connecting rod; And the swing of arm switched to the one-way clutch that drives towards the intermittence of a direction, and operating knob is configured in above the Sewing machines horn, one-way clutch is configured in the framework of the transverse part that is attached to the Sewing machines horn back side.
Preferably package has helical spring on operating knob, and operating knob separates with the 2nd eccentric cam usually.
Adopt the present invention and since with the operating knob of feeding unit be configured in the Sewing machines horn above, therefore can easily change the rotation amount at intermittence of roller with manual operation.In addition, for the switching that drives to intermittence of arm swing, be in the framework of the transverse part that is attached to the Sewing machines horn back side, to carry out.In addition, because of package on operating knob has helical spring, so operating knob separates with the 2nd eccentric cam usually.
In sum, adopt the present invention and since with the operating knob of feeding unit be configured in the Sewing machines horn above, can easily change the rotation amount at intermittence of roller with manual operation, therefore, can change roller feeding amount apace according to the various specifications of making.In addition, because of the feeding unit can be connected with main shaft to action property, so synchronously carry out the intermittently feeding of reliable roller with main shaft.If one-way clutch is configured in the framework of the transverse part that is attached to the Sewing machines horn back side, but the then all miniaturizations of implement device, and can improve the aesthetic appearance of the stitch machine integral body that comprises Sewing machines.
The simple declaration of accompanying drawing
Fig. 1 is the side view of the feeding device of thin tube Sewing machines of the present invention.
Fig. 2 is the general principal view of the roller seat of this Sewing machines of expression.
Fig. 3 wants the approximate vertical view of portion for the Sewing machines horn of this Sewing machines of expression.
Fig. 4 wants the exploded perspective view of portion for the feeding device of this Sewing machines of explanation.
Fig. 5 is arranged at the summary side elevation of the eccentric part effect of main shaft for explanation.
Fig. 6 is arranged at the summary side elevation of the eccentric part effect of main shaft for explanation.
The specific embodiment
Embodiments of the invention are described with reference to the accompanying drawings.The summary side view of Fig. 1 feeding device of thin tube Sewing machines of the present invention for expression is applicable to.Thin tube Sewing machines has Sewing machines horn A and sewing machine base B.Sewing machine base B is made of base body 1 and roller seat 2, and roller seat 2 laterally stretches out from base body 1.Sewing machines horn A has be connected with base body 1 upright and establishes the A1 of portion and be connected the also transverse part A2 of horizontal expansion with upright top of establishing the A1 of portion.Has needle plate (not shown) above the roller seat 2, the top and roller seat 2 of needle plate top in the same plane.Dispose roller 3,4 in the recess of the front and back that form on the needle plate.The part of roller 3,4 peripheries is exposed above needle plate slightly.
The roller 3 of front side is fixed on the trunnion axis 5 that is supported in the roller seat 2, and as shown in Figure 2, trunnion axis 5 is connected with pole 7 by one-way clutch 6.Pole 7 is connected with connecting rod (not shown) by pin 8.The rotation of connecting rod and Sewing machines driving shaft (not shown) swings up and down linkedly, and this swing passes to one-way clutch 6 by pole 7, and the result is that one-way clutch 6 is with the intermittent roller 3 that rotatablely moves and pass to trunnion axis 5.In addition, trunnion axis 5 is covered by not shown cover plate.
Above roller 3, dispose roller follower 9.Roller follower 9 rotatably is supported on the supporting slice 10.Pin 10a from supporting slice 10 horizontal protrusions rotatably is supported on the support 11.Support 11 is fixed on the lower end of depression bar 12, and depression bar 12 can slide up and down to be supported on the lining 13 that is pressed among the Sewing machines horn A.Adorn not shown helical spring outside on depression bar 12, utilizing this helical spring that roller follower 9 is pressed to roller 3 thrusters.On support 11, set up little spring 14.One end of little spring 14 and the top card of supporting slice 10 end, and the pin 11a card of setting up on the other end and the support 11 ends.Thus, the front end of supporting slice 10 is pressed to roller 3 thrusters, and this pushing force is slightly more a little bit smaller than the helical spring of depression bar 12 outer dresses.
On the rear portion of roller seat 2, dispose the driven roller 16 of feeding unit 15 usefulness.As shown in Figure 3, driven roller 16 is positioned at the rear of presser feet 17.Presser feet 17 and the configuration of needle plate subtend.The trunnion axis 16a that protrudes about driven roller 16 has, trunnion axis 16a rotatably is supported on the support 18 that is attached to presser feet 17.Support 18 in abutting connection with shape be arranged on the right-hand of depression bar 12, its bottom extends to the below of depression bar 12.Trunnion axis 16a supports annular belt 19 with the rotating dog that is convexly set in support 18 tops (not shown).Annular belt 19 is the center with pin 20, is connected with transmitter shaft 23 by 2 annular belts 21,22 that are configured to the L font.Pin 20 rotatably is supported on the framework A2a of the transverse part A2 that is attached to Sewing machines horn A.
In framework A2a, dispose one-way clutch 24.As shown in Figure 4, the clutch plate 25 of one-way clutch 24 with clutch plate 25,26, one sides is fixed on the transmitter shaft 23.The opposing party's clutch plate 26 is fixed on the rotatable earth's axis and is supported on the swinging axle 27 of framework A2a.On swinging axle 27, fixing arm 28 by screw 29.Arm 28 has the pin 30 parallel with swinging axle 27, and pin 30 is connected with feeding connecting rod 31.Feeding connecting rod 31 is connected with the eccentric part 32 that is arranged at main shaft S.
On Sewing machines horn A, dispose the operating knob 41 of operation the 2nd eccentric cam 34.Package has helical spring 42 on operating knob 41, and its bottom is bearing on the inwall of Sewing machines horn transverse part A2 by E shape ring 43.The width of the front end 41a of operating knob 41 is tiny, and during pressing operation button 41, the 2nd eccentric cam 34 is ended at slot part 34c by pin 41a card, that is, operating knob 41 separates with the 2nd eccentric cam 34 usually.
Be arranged at the eccentric part 32 of main shaft S below with reference to Fig. 5 and Fig. 6 explanation.
Under state shown in Figure 5, pressing operation button 41, the 2 eccentric cams 34 are ended by card.Card at the 2nd eccentric cam 34 ends under the state, if make main shaft S rotation, then cam pin 35a moves along arc groove 34b with locking plate 35c.As shown in Figure 6, this moves till the end that is performed until locking plate 35c arrival arc groove 34b.By moving of cam pin 35a, the 1st eccentric cam 33 is supported in the outer peripheral face 34a of the 2nd eccentric cam 34 on one side, on one side cam pin 35a is rotated as the center, can change the 1st eccentric cam 33 is the eccentric position of main shaft S with respect to the outer peripheral face 33a of the 1st eccentric cam 33.
In addition, in the present embodiment, there is swinging axle 27 in intermediary between arm 28 that is connected in feeding connecting rod 31 and clutch plate 26, but is not limited to this example, also arm directly can be connected with clutch plate.
Claims (2)
1. the feeding device of one kind thin tube Sewing machines comprises: the roller seat that crosses out from the base body; And have the roller that engages above with the rear portion of roller seat, by providing the feeding unit that intermittently drives to this roller from the transmission of main shaft, it is characterized in that the feeding unit has: be rotatably mounted in the 1st eccentric cam on the spindle eccentricity pin; With the inner peripheral surface sliding gomphosis of the 1st eccentric cam, by rotating the 2nd eccentric cam that to regulate with respect to the eccentric position of main shaft; The operating knob that engages with the 2nd eccentric cam; Be arranged on the 1st eccentric cam feeding connecting rod on every side; Be connected with the feeding connecting rod, be supported to rotatable arm by axle; And the swing of arm switched to the one-way clutch that drives towards the intermittence of a direction, and operating knob is configured in above the Sewing machines horn, and one-way clutch is configured in the framework of the transverse part that is attached to the Sewing machines horn back side.
2. the feeding device of thin tube Sewing machines as claimed in claim 1 is characterized in that package has helical spring on operating knob, and operating knob separates with the 2nd eccentric cam usually.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003125413A JP2004329289A (en) | 2003-04-30 | 2003-04-30 | Feeding device of thin cylinder sewing machine |
| JP2003125413 | 2003-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1542194A true CN1542194A (en) | 2004-11-03 |
Family
ID=33502689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200410043469XA Pending CN1542194A (en) | 2003-04-30 | 2004-04-29 | Cloth pushing mechanism of thin barrel sewing machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2004329289A (en) |
| CN (1) | CN1542194A (en) |
| TW (1) | TW200508446A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1854369B (en) * | 2005-04-28 | 2012-01-25 | 重机公司 | Pulling device of sewing machine |
| CN110117875A (en) * | 2019-06-11 | 2019-08-13 | 标准缝纫机菀坪机械有限公司 | A kind of feeding structure of plate sewing machine |
| TWI839290B (en) * | 2023-04-25 | 2024-04-11 | 星銳縫紉機股份有限公司 | Sewing machine that realizes intermittent cloth feeding operation |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4509591B2 (en) * | 2004-02-10 | 2010-07-21 | 株式会社トプコン | Image forming apparatus with aberration correction function |
| EP3162564B1 (en) * | 2014-06-24 | 2020-10-28 | Kyocera Document Solutions Inc. | Adjustment mechanism, image-forming apparatus provided with adjustment mechanism, and adjustment method using said adjustment mechanism |
-
2003
- 2003-04-30 JP JP2003125413A patent/JP2004329289A/en active Pending
-
2004
- 2004-04-29 CN CNA200410043469XA patent/CN1542194A/en active Pending
- 2004-04-29 TW TW093111955A patent/TW200508446A/en unknown
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1854369B (en) * | 2005-04-28 | 2012-01-25 | 重机公司 | Pulling device of sewing machine |
| CN110117875A (en) * | 2019-06-11 | 2019-08-13 | 标准缝纫机菀坪机械有限公司 | A kind of feeding structure of plate sewing machine |
| CN110117875B (en) * | 2019-06-11 | 2024-02-27 | 标准缝纫机菀坪机械有限公司 | Feeding structure of panel sewing machine |
| TWI839290B (en) * | 2023-04-25 | 2024-04-11 | 星銳縫紉機股份有限公司 | Sewing machine that realizes intermittent cloth feeding operation |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200508446A (en) | 2005-03-01 |
| JP2004329289A (en) | 2004-11-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20041103 |