CN101671922A - Rag knife device of buttonholing machine - Google Patents
Rag knife device of buttonholing machine Download PDFInfo
- Publication number
- CN101671922A CN101671922A CN200910180591A CN200910180591A CN101671922A CN 101671922 A CN101671922 A CN 101671922A CN 200910180591 A CN200910180591 A CN 200910180591A CN 200910180591 A CN200910180591 A CN 200910180591A CN 101671922 A CN101671922 A CN 101671922A
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- Prior art keywords
- hold
- down screw
- fixed
- holder
- eccentric wheel
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- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 28
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 28
- 230000001939 inductive effect Effects 0.000 claims abstract description 8
- 230000008685 targeting Effects 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 abstract 2
- 238000005265 energy consumption Methods 0.000 abstract 1
- 239000004744 fabric Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 6
- 230000003044 adaptive effect Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
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Abstract
The invention provides a rag knife device of a buttonholing machine, which is characterized in that a stepping motor is fixed at the right side of a fixed seat, a driving gear is arranged at the leftside of the fixed seat and is driven by a driving shaft of the stepping motor, a driven gear is driven by the driving gear, and the left and right ends of a convex shaft are respectively provided withbearings B and A, an inductive switch is fixed on the fixed seat and is positioned right above the driven gear, the left end of the driven gear extends into a center hole on an aluminium eccentric wheel, one end of a pin shaft penetrates an eccentric hole on the aluminium eccentric wheel and the other end thereof is clamped with a clamp spring by passing through a needle bearing A at the upper end of a connecting rod, the upper end of the connecting rod is provided with a connecting rod hole A used for installing the needle bearing A and the lower end thereof is provided with a connecting rodhole B used for installing a needle bearing B, the right end of a connecting joint is provided with a connecting joint shaft head and the right end of the connecting joint shaft head is connected with a retainer ring by passing through the needle bearing B. The retainer ring is sleeved on the connecting joint shaft head and is fixed by a fixed screw G. The rag knife device features low noise, small vibration and low energy consumption when ragging and can quickly and continuously rag.
Description
Technical field
The present invention relates to the Sewing machines device, specifically a kind of rag knife device of lockstitch button holder.
Background technology
The rag knife device of traditional lockstitch button holder promotes connecting rod by electromagnet when cutting knife, connecting rod drives shank again, makes the cutting knife downlink working on the shank, and then realizes that by the back-moving spring on the lockstitch button holder shank is up, drives the up realization cutting knife of cutting knife and resets.Its shortcoming is: if when cutting knife is cut cloth and the oral sex of cutting knife guiding dead, then the power of back-moving spring does not just realize having resetted, this moment, complete machine just can't be worked, and simultaneously owing to the employing electromagnet is done driving, spring reset, thereby had following 4 shortcomings:
1. the electromagnet vibrating noise is big, and operator's working environment is not good.
2. efficiency is low, and power consumption is big, and vibrations are big.
The cutting knife continuous gap time long, efficient is low.
4. card cloth phenomenon is frequent.
Summary of the invention
At the defective that exists in the prior art, the object of the present invention is to provide a kind of rag knife device of lockstitch button holder, about being not easy, significantly rocks by cutting knife, and noise is little when cutting cloth, shakes for a short time, and power consumption is few, can cut cloth fast continuously.
For reaching above purpose, the technical scheme that the present invention takes is:
A kind of rag knife device of lockstitch button holder is characterized in that comprising with lower member:
Driven gear 4 drives and is located at driving gear 3 back by driving gear 3, and driven gear 4 is provided with a protruding axle that is provided with vertically, and protruding axle two ends, the left and right sides are established bearing B, A 24,25 respectively; And bearing B, A 24,25 are fixed on the holder 2;
Inductive switch 9 is fixed on the upper surface of holder 2 by hold-down screw D 42, and be positioned at driven gear 4 directly over;
Aluminum eccentric wheel 5 is provided with aluminum eccentric wheel centre bore 27 and aluminum eccentric wheel eccentric orfice 26,
The protruding axle left end of driven gear 4 passes bearing B 24 and extends in the aluminum eccentric wheel centre bore 27 on the aluminum eccentric wheel 5, and fixing by hold-down screw F 44;
Bearing pin 6, one ends are installed in the aluminum eccentric wheel eccentric orfice 26, and fixing by hold-down screw E 7; The other end passes the needle bearing A 28 and jump ring 29 clampings of connecting rod 8 upper ends;
Connecting rod 8, upper end are provided with the tie rod holes A 33 that is used to install needle bearing A 28, and the lower end is provided with the tie rod holes B 34 that is used to install needle bearing B 30;
Back-up ring 31 is sleeved on the connector spindle nose 35 and with hold-down screw G 32 and fixes.
On the basis of technique scheme, connector 10 is fixedlyed connected with cutter spindle 11 by hold-down screw H 36.
On the basis of technique scheme, the top of cutter spindle 11 is provided with overlaps 22 on the cutter spindle, and the bottom is connected with knife rest 12 by hold-down screw I 15, and cutter spindle is trapped and 23 is sleeved on the cutter spindle 11 and cutter spindle trap 23 the lower surface and the upper surface butt of knife rest 12.
On the basis of technique scheme, knife rest 12 is connected with blade 13 by blade hold-down screw 14, and the bottom of blade 13 is stretched in the cutting knife targeting port 16, and described cutting knife targeting port 16 is arranged on the needle plate 46, and described needle plate 46 is arranged on the machine head base 21.
On the basis of technique scheme, connector 10 left ends are provided with gag lever post 17, and the left end of gag lever post 17 is embedded with ball A 37 and ball B 38,
Ball A 37 pastes mutually with left prerotation vane 19, and ball B 38 pastes mutually with right prerotation vane 18,
Left side prerotation vane 19 is fixed on the head 20 by hold-down screw J 39,
The rag knife device of lockstitch button holder of the present invention significantly rocks about cutting knife is not easy, and noise is little when cutting cloth, shakes for a short time, and power consumption is few, can cut cloth fast continuously.
Description of drawings
The present invention has following accompanying drawing:
The structural representation of the rag knife device of Fig. 1 lockstitch button holder
The side-looking structural representation of the rag knife device of Fig. 2 lockstitch button holder
The structure exploded perspective view of the rag knife device of Fig. 3 lockstitch button holder
The rag knife device of Fig. 4 lockstitch button holder cut the cloth schematic diagram
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Shown in Fig. 1～3, the rag knife device of lockstitch button holder of the present invention comprises with lower member:
Driven gear 4 drives and is located at driving gear 3 back by driving gear 3, and driven gear 4 is provided with a protruding axle that is provided with vertically, and protruding axle two ends, the left and right sides are established bearing B 24, A 25 respectively; And bearing B 24, A 25 are fixed on the holder 2;
Inductive switch 9 is fixed on the upper surface of holder 2 by hold-down screw D 42, and be positioned at driven gear 4 directly over;
Aluminum eccentric wheel 5 is provided with aluminum eccentric wheel centre bore 27 and aluminum eccentric wheel eccentric orfice 26, and eccentric wheel is selected for use nonmagnetic material to make and got final product;
The protruding axle left end of driven gear 4 passes bearing B 24 and extends in the aluminum eccentric wheel centre bore 27 on the aluminum eccentric wheel 5, and fixing by hold-down screw F 44;
Bearing pin 6, one ends are installed in the aluminum eccentric wheel eccentric orfice 26, and fixing by hold-down screw E 7; The other end passes the needle bearing A 28 and jump ring 29 clampings of connecting rod 8 upper ends;
Connecting rod 8, upper end are provided with the tie rod holes A 33 that is used to install needle bearing A 28, and the lower end is provided with the tie rod holes B 34 that is used to install needle bearing B 30;
Back-up ring 31 is sleeved on the connector spindle nose 35 and with hold-down screw G 32 and fixes.
On the basis of technique scheme, as shown in Figure 3, connector 10 is fixedlyed connected with cutter spindle 11 by hold-down screw H 36.
On the basis of technique scheme, as shown in Figure 3, the top of cutter spindle 11 is provided with overlaps 22 on the cutter spindle, the bottom is connected with knife rest 12 by hold-down screw I 15, and cutter spindle is trapped and 23 is sleeved on the cutter spindle 11 and cutter spindle trap 23 the lower surface and the upper surface butt of knife rest 12.As shown in Figure 1, 2, cover 22 is arranged in the roof of head 20 on the cutter spindle, the roof of head 20 be provided with cutter spindle on cover 22 adaptive go up the cover installing holes; Cutter spindle is trapped and 23 is arranged in the diapire of head 20, the diapire of head 20 be provided with; The cutter spindle 23 adaptive installing holes of trapping of trapping.
On the basis of technique scheme, shown in Fig. 1～3, knife rest 12 is connected with blade 13 by blade hold-down screw 14, and the bottom of blade 13 is stretched in the cutting knife targeting port 16, described cutting knife targeting port 16 is arranged on the needle plate 46, and described needle plate 46 is arranged on the machine head base 21.
On the basis of technique scheme, shown in Fig. 1～3, connector 10 left ends are provided with gag lever post 17, the left end of gag lever post 17 is embedded with ball A 37 and ball B 38, ball A 37 pastes mutually with left prerotation vane 19, ball B 38 pastes mutually with right prerotation vane 18, and left prerotation vane 19 is fixed on the head 20 by hold-down screw J 39, and right prerotation vane 18 is fixed on the head 20 by hold-down screw K 40.
The rag knife device of lockstitch button holder of the present invention is equipped with holder 2 on casing (head 20), stepper motor 1 is contained on the holder 2, stepper motor 1 drives driving gear 3, driving gear 3 drives driven gear 4, driven gear 4 two ends are provided with bearing, driven gear 4 is connected with holder 2 by bearing, driven gear 4 left ends pass bearing B 24 and extend in the aluminum eccentric wheel centre bore 27 on the aluminum eccentric wheel 5, and it is fixing by hold-down screw F 44, bearing pin 6 one ends are fixed on the connecting rod 8 with jump ring, bearing pin 6 other ends and aluminum eccentric wheel eccentric orfice 26 close-fittings are fixing with screw E 7, and connector spindle nose 35 passes needle bearing 30 and tie rod holes 34 is sleeved on the back-up ring 31.Cutter spindle 11 passes successively that cutter spindle traps 23, cover 22 backs are fixed on the connector 10 with hold-down screw 36 on the connector 10, cutter spindle, cover 22 and head close-fitting on the cutter spindle, right prerotation vane 18 is fixed on the head by screw 40, and left prerotation vane 19 is fixed on the head by screw 39.
Knife rest 12 upper ends are fixed on the lower end of cutter spindle with hold-down screw 15.
Cutting knife targeting port 16 is contained on the machine head base 21, and is corresponding with blade 13.
Operation principle of the present invention is as follows:
This device transmits signal by inductive switch 9, can adopt computer control, and stepper motor is a drive source.Stepper motor rotates and drives the aluminum eccentric wheel during start, and during the hold-down screw E on the aluminum eccentric wheel (magnetic that is magnetic material is made and got final product, for example: iron metal) 7 process inductive switches, blade 13 duties are initial point.Blade is positioned at peak 13 this moments, and during the system transmissions working signal, stepper motor is started working and driven the aluminum eccentric wheel, is a work period whenever the aluminum eccentric wheel rotates a circle.It is to influence the hold-down screw E that inductive switch 9 identifications are made by magnetic magnetic material for fear of it that eccentric wheel selects for use nonmagnetic material to make.
Characteristics: this device can adopt computer control, and accuracy is better, and stressed when adopting the stepper motor driving to make blade 13 cut off cloth B shown in Figure 4 evenly it is also even to reset, and the 13 continuous gap times of blade are little, the efficient height, and vibrating noise is little, stops card cloth phenomenon.
The course of work of the present invention is as follows:
Computer provides signal, stepper motor is started working, drive driving gear, driving gear drives driven gear, and driven gear (for example: the aluminum eccentric wheel) drives eccentric wheel that nonmagnetic material makes, blade 13 is positioned at peak at this moment when hold-down screw E on the eccentric wheel that nonmagnetic material is made and inductive switch alignment, the eccentric wheel drivening rod that nonmagnetic material is made, connecting rod drives connector, and connector drives cutter spindle, cutter spindle drives knife rest, and knife rest drives blade 13.The eccentric wheel drivening rod that nonmagnetic material is made rotates a circle then, and blade 13 is a work period.Cycle realizes cutting to cloth repeatedly.
Claims (5)
1. the rag knife device of a lockstitch button holder is characterized in that comprising with lower member:
Stepper motor (1) is fixed on the right side of holder (2) by hold-down screw A (41);
Holder (2) is fixed on the casing of lockstitch button holder by hold-down screw B (43), and is provided with the through hole that passes of driving shaft for stepper motor (1);
Driving gear (3) is located at the left side of holder (2), and by the drive shaft of stepper motor (1), driving gear (3) is fixedlyed connected with driving shaft by hold-down screw C (45);
Driven gear (4) drives and is located at driving gear (3) back by driving gear (3), and driven gear (4) is provided with a protruding axle that is provided with vertically, and protruding axle two ends, the left and right sides are established bearing B, A (24,25) respectively; And bearing B, A (24,25) are fixed on the holder (2);
Inductive switch (9) is fixed on the upper surface of holder (2) by hold-down screw D (42), and be positioned at driven gear (4) directly over;
Aluminum eccentric wheel (5) is provided with aluminum eccentric wheel centre bore (27) and aluminum eccentric wheel eccentric orfice (26),
The protruding axle left end of driven gear (4) passes bearing B (24) and extends in the aluminum eccentric wheel centre bore (27) on the aluminum eccentric wheel (5), and fixing by hold-down screw F (44);
Bearing pin (6), an end are installed in the aluminum eccentric wheel eccentric orfice (26), and fixing by hold-down screw E (7); The other end passes the needle bearing A (28) and jump ring (29) clamping of connecting rod (8) upper end;
Connecting rod (8), upper end are provided with the tie rod holes A (33) that is used to install needle bearing A (28), and the lower end is provided with the tie rod holes B (34) that is used to install needle bearing B (30);
Connector (10), right-hand member are provided with connector spindle nose (35), and the right-hand member of connector spindle nose (35) passes needle bearing B (30) back and is connected with back-up ring (31);
Back-up ring (31) is sleeved on connector spindle nose (35) and goes up and fix with hold-down screw G (32).
2. the rag knife device of lockstitch button holder as claimed in claim 1 is characterized in that: connector (10) is fixedlyed connected with cutter spindle (11) by hold-down screw H (36).
3. the rag knife device of lockstitch button holder as claimed in claim 2, it is characterized in that: the top of cutter spindle (11) is provided with cover (22) on the cutter spindle, the bottom is connected with knife rest (12) by hold-down screw I (15), cutter spindle trap (23) be sleeved on the cutter spindle (11) and cutter spindle the trap lower surface of (23) and the upper surface butt of knife rest (12).
4. the rag knife device of lockstitch button holder as claimed in claim 3, it is characterized in that: knife rest (12) is connected with blade (13) by blade hold-down screw (14), the bottom of blade (13) is stretched in the cutting knife targeting port (16), described cutting knife targeting port (16) is arranged on the needle plate (46), and described needle plate (46) is arranged on the machine head base (21).
5. as the rag knife device of claim 1 or 2 or 3 or 4 described lockstitch button holders, it is characterized in that: connector (10) left end is provided with gag lever post (17), and the left end of gag lever post (17) is embedded with ball A (37) and ball B (38),
Ball A (37) pastes mutually with left prerotation vane (19), and ball B (38) pastes mutually with right prerotation vane (18),
Left side prerotation vane (19) is fixed on the head (20) by hold-down screw J (39),
Right prerotation vane (18) is fixed on the head (20) by hold-down screw K (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910180591A CN101671922B (en) | 2009-10-21 | 2009-10-21 | Rag knife device of buttonholing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910180591A CN101671922B (en) | 2009-10-21 | 2009-10-21 | Rag knife device of buttonholing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101671922A true CN101671922A (en) | 2010-03-17 |
| CN101671922B CN101671922B (en) | 2012-09-19 |
Family
ID=42019324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910180591A Active CN101671922B (en) | 2009-10-21 | 2009-10-21 | Rag knife device of buttonholing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101671922B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818419A (en) * | 2010-05-19 | 2010-09-01 | 张章生 | Hole opening cutter device for eyelet button hole sewing machine |
| WO2011143812A1 (en) * | 2010-05-19 | 2011-11-24 | Zhang Zhangsheng | Tapping cutter device for eyelet button hole sewing machine |
| CN105113149A (en) * | 2015-09-11 | 2015-12-02 | 张章生 | Directly-driven thread cutting mechanism of sewing machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2103583U (en) * | 1991-09-18 | 1992-05-06 | 熊生银 | Multifunction device for sewing machine |
| CN2151993Y (en) * | 1992-09-30 | 1994-01-05 | 黄德祥 | Driving gear for electric hand-hold sewing machine |
| CN201574278U (en) * | 2009-10-21 | 2010-09-08 | 张章生 | Rag knife device of buttonholing machine |
-
2009
- 2009-10-21 CN CN200910180591A patent/CN101671922B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818419A (en) * | 2010-05-19 | 2010-09-01 | 张章生 | Hole opening cutter device for eyelet button hole sewing machine |
| WO2011143812A1 (en) * | 2010-05-19 | 2011-11-24 | Zhang Zhangsheng | Tapping cutter device for eyelet button hole sewing machine |
| CN101818419B (en) * | 2010-05-19 | 2012-08-01 | 张章生 | Hole opening cutter device for eyelet button hole sewing machine |
| CN105113149A (en) * | 2015-09-11 | 2015-12-02 | 张章生 | Directly-driven thread cutting mechanism of sewing machine |
| CN105113149B (en) * | 2015-09-11 | 2018-04-17 | 张章生 | Sewing machine directly drives tangent mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101671922B (en) | 2012-09-19 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170823 Address after: The town of Yongxing high tech Zone Li Jia Yuan Cun 621000 Sichuan city of Mianyang Province Patentee after: Sichuan fine sewing machine Co., Ltd. Address before: Yueqing City, Zhejiang province 325608 City Xiang Ma Village Patentee before: Zhang Zhangsheng |
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| TR01 | Transfer of patent right |