CN1616733A - Sewing machine - Google Patents
Sewing machine Download PDFInfo
- Publication number
- CN1616733A CN1616733A CN 200410095796 CN200410095796A CN1616733A CN 1616733 A CN1616733 A CN 1616733A CN 200410095796 CN200410095796 CN 200410095796 CN 200410095796 A CN200410095796 A CN 200410095796A CN 1616733 A CN1616733 A CN 1616733A
- Authority
- CN
- China
- Prior art keywords
- swing arm
- sewing machines
- swinging axle
- base plate
- transmission device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
A sewing machine is provided with a gearing placed downwards at a bed part for feeding working cloth through a feed plate of a cloth feeding mechanism in a fixed direction, a pinion attached to an output shaft of the gearing, a gear part, to be engaged with the pinion, formed on one of the end part, a swing lever driven by said gearing, and a swing shaft part fixed to the rear end part of the swing lever for driving the feed plate of said cloth feeding mechanism to swing. The swing lever 33 is provided below a lower shaft. The swing lever is driven by the gearing and feed plate is driven by the swing shaft.
Description
Technical field
The present invention relates to and having for the lower shaft of carrying the cloth feeding mechanism used of processing cloth, the shuttle mechanism that is arranged at base plate is driven, in order to carry the Sewing machines of the transmission device that processing cloth uses.
Background technology
In the past, propose to have suture needle of making and processing cloth to relatively move, can carry out diversified interlock seam sewing machine of making and Buttonhole sewing machine.
For example, the Sewing machines of being put down in writing in 8 years No. 84878 communique (open day on April 2nd, 1996) is openly put down in Japan special permission, record be the structure that the delivery board of carrying processing cloth to use is relatively moved with respect to suture needle.Promptly, have directions X pulse motor and Y direction pulse motor, utilize each pulse motor and 2 druum cams are turned round driving, the driving force of two pulse motors is sent to the structure of described delivery board by the formation such as cylinder roller separately that are sticked in this druum cam.
But, in this Sewing machines, need complicated structure such as druum cam, cylinder roller, produce the complicated problem of the complicated and manufacturing process of Sewing machines structure.
On the other hand, disclose the Sewing machines of being put down in writing in clear and 60 years No. 27307 communique (open day on June 28th, 1985), disclosed the Sewing machines of following structure, have: the drive motors that is arranged in base plate up in Japan's special permission; The driven wheel of being installed on the output shaft of this drive motors; The cloth feeding mechanism that the fan-shaped driven gear that meshes, is supported pivotally on gyroaxis with this driven wheel is arranged.
This Sewing machines, in case drive motors turns round driving, its rotary driving force is transferred into driven gear by driven wheel, driven gear turns round around gyroaxis, and driving force is transmitted to processing cloth.
Promptly, owing to carry out the transmission of driving force, so openly to put down into described druum cam that the Sewing machines of 8 years No. 84878 communique record has etc. different with described Japan special permission with driven gear, the driven gear of thin-walled shape can be formed, the Sewing machines miniaturization can be made.In addition, compare with the driving force connecting gear that constitutes by druum cam, cylinder roller etc., significantly simplified structure and make manufacturing process's simplicity by the driving force connecting gear that driven gear constitutes.
The special permission of this Japan discloses Sewing machines clear and that 60 years No. 27307 communique is put down in writing, the upper dense of base plate be provided with for driving force being sent to member that lower shaft uses etc., upwards be provided with in the structure of driven gear on the top of layout, base plate for this reason, can not make between driven wheel and the gyroaxis to enlarge, therefore, large-scale driven gear can not be installed at drive motors.
So the driven gear of small-sized in order to make (minor diameter) rotates around gyroaxis, need bigger moment of torsion, drive motors must be used the product of maximization.Its result increases base plate inevitably, and Sewing machines is maximized.
Here, also can consider to use the flat electric machine of small-sized large driving force as drive motors, still, this flat electric machine is very expensive, produces the problem that increases Sewing machines member cost.
Summary of the invention
In view of described situation, even the object of the present invention is to provide small-sized driven gear of a kind of alternative the past, transmission device that small-sized, the low power output of long swing arm can be set also can process the Sewing machines that cloth is carried.
The invention is characterized in to have: process the cloth feeding mechanism that cloth is carried usefulness; Carry and be arranged at the transmission device of base plate to prescribed direction in order to make processing cloth; Be installed on the pinion on the output shaft of this transmission device; At one end portion forms with described pinion or with the idler gear of described pinion and carries out meshed gears portion; The swing arm that utilizes described transmission device and swing; Be arranged at the other end of described swing arm, for the delivery board that described cloth feeding mechanism had is swung the swinging axle of usefulness, described swing arm is arranged at the below of described lower shaft.
According to described the present invention, almost do not have to be provided with in order to transmit member that driving force uses etc., by swing arm being arranged at the below of lower shaft, can use long swing arm.Because swing arm increases,, can use transmission device small-sized, low power output so can reduce to make swing arm around swinging axle, to swing the driving force of usefulness.
Description of drawings
Fig. 1 relates to the unitary side view of interlock seam sewing machine of the present invention.
Fig. 2 is the exploded perspective view of base plate.
Fig. 3 is the stereogram of base plate.
Fig. 4 is the vertical view of base plate.
Fig. 5 is the upward view of base plate.
Fig. 6 is the right side view of base plate.
Fig. 7 is a 7-7 line cutaway view among Fig. 6.
Fig. 8 is a 8-8 line cutaway view among Fig. 6.
The specific embodiment
Below describe with regard to embodiments of the invention.Present embodiment be use have by the delivery board of carrying processing cloth carry out the cloth feeding mechanism of the conveying of cloth, the interlock seam sewing machine of lower shaft that the shuttle mechanism that is arranged in the base plate is driven is as an example of the present invention.In following explanation, the fore-and-aft direction of Fig. 2 is that arrow R direction, left and right directions are that arrow S direction, the swaying direction around fulcrum pin 43 described later are the θ direction.
As shown in Figure 1, interlock seam sewing machine 1 (to call Sewing machines 1 in the following text) is the socle portion 3 of stretching upward by base plate 2, by the rearward end of base plate 2, is constituted from the upper end and the base plate 2 opposed arms 4 that forwards extend of socle portion 3.
Socle portion 3 and arm 4 are provided with the sewing electric motor that is used for driving up and down suture needle 5, the driving force of sewing electric motor are sent to the driving force connecting gear (not illustrating) of suture needle 5 etc.
As shown in Figure 2, base plate 2 has the structure of the floor board framing 12 that is made of metal foundry goods, and this floor board framing 12 is by the base plate body 6 that socle portion 3 vertically is set, is constituted from the cylinder seat portion 7 that comprises that base plate body 6 forwards extends.
As Fig. 1～shown in Figure 5, in base plate 2, be provided with: cloth presser 11 with presser feet 10; Cloth feeding mechanism 13; Vertical shuttle 14; Lower shaft 15 that will send vertical shuttle 14 from the driving force of sewing electric motor to, vertical shuttle 14 is driven etc.Described vertical shuttle 14 is for the moving up and down of collaborative described suture needle 5, processing cloth is made the member of usefulness.
Cloth presser 11 is in order to carry out the member that work feed is used with cloth feeding mechanism 13 clampings processing cloth 18, to be installed on the delivery board 27 described later.This cloth presser 11 has: the supporting member 16 that moves simultaneously with delivery board 27, utilize gyroaxis 16a and be arranged at depression bar 17, presser feet 10 on this supporting member 16 pivotally.Depression bar 17 turns round with presser feet 10 around described gyroaxis 16a.
As shown in Figure 8, floor board framing 12 is to be made of the outside wall portions that constitutes upper wall and side walls 20 of the base plate body 6 of base plate 2 and cylinder seat portion 7, the rib 21 etc. that is formed at the inboard of this outside wall portions 20.
As shown in Figure 8, rib 21 has the 1st rib 21a, the 2nd rib 21b, the 3rd rib 21c and the 4th rib 21d.The form that this rib 21 extends to vertical to the formation of top slightly of swing arm 33 described later from the upper wall back side of outside wall portions 20.
As Fig. 5, shown in Figure 6, below floor board framing 12, be furnished with columned 4 pin members 22.When Sewing machines 1 is put on table, utilize this pin member 22 to form gap 23 below floor board framing 12 and between above the desk.
As Fig. 2～shown in Figure 5, cloth feeding mechanism 13 has: delivery board 27, guide plate 28, R direction drive motor 29, rack shaft 30, limiting member 31, the θ direction drive motor 32 that is equivalent to transmission device, swing arm 33, oscillating structural member 34 etc.Described R direction drive motor 29 and θ direction drive motor 32 are made of pulse motor.
Be provided with in the bottom of base end part 40 with fulcrum pin 43 coaxial carry out rotating square block 47.This square block 47 engages in the gathering sill 52 of guide plate 28 slidably.
On extension 41, form suitable with the scope of roughly can the making window 48 of making.In addition, needle plate 49 is installed, on this needle plate 49, forms pin hole 50 at the leading section of described cylinder seat portion 7.Delivery board 27 in the pin hole 50 of cylinder seat portion 7 is included scope in making window 48 in, carries out moving of θ direction and R direction.
Transport platform 42, be installed in from base end part 40 along extension 41 central portion extension 41 below.On this transport platform 42, form conveying trough 51.Engaging has in order to transmit the square block 73 of the oscillating structural member 34 of θ direction driving force to delivery board 27 on this conveying trough 51.
Guide plate 28 is fixed on the floor board framing 12.Latter half of formation gathering sill 52 at this guide plate 28.Engaging has the square block 47 of base end part 40 in this gathering sill 52, utilizes this square block 47 and gathering sill 52, and delivery board 27 is led to the R direction.
R direction drive motor 29 is motors from processing cloth 18 usefulness to the R direction that carry.On the output shaft 56 of this R direction drive motor 29, pinion 55 is installed.This R direction drive motor 29 be positioned at output shaft 56 base plate body 6 left and right directions the substantial middle position form, laterally mounting is in the top of base plate body 6.
The both sides utilization of the tooth-strip part 57 of rack shaft 30 is installed on 2 supporting member 58a cylindraceous, 58b on the floor board framing 12 and is being supported slidably.Form pin-and-hole 59 at the leading section of rack shaft 30 towards vertical.It is chimeric on this pin-and-hole 59 that have can rotating fulcrum pin 43.
In the opposition side position of the pinion 55 that accompanies rack shaft 30, limiting member 31 connects with rack shaft 30.This limiting member 31 is members that the deflection of the rack shaft 30 that produces for the press pressure that prevents because of pinion 55 is used.
θ direction drive motor 32 is in order to carry the motor of processing cloth 18 usefulness to the θ direction.θ direction drive motor 32 constitutes long form towards direction of principal axis, is installed in the left back end of floor board framing 12 downwards by installing plate 63a, 63b.
The output shaft 62 of θ direction drive motor 32 is outstanding downwards.On this output shaft 62, pinion 61 is installed.This θ direction drive motor 32 is used inexpensive and the long pulse motor of direction up and down.The upper end of θ direction drive motor 32 can be contained in the socle portion 3, therefore, there is no need to increase the base plate body.
As Fig. 5, shown in Figure 6, swing arm 33 is set at than the lower shaft 15 of base plate body 6 position of below more.The words that are described in detail further, swing arm 33, be arranged in utilize pin member 22 in the formed gap 23 of the downside of base plate body 6, from the left back end of base plate body 6 on the roughly diagonal of preceding central portion, and towards the form of extending with the direction that delivery board 27 deviates from mutually.
Rearward end formative gear portion 64 at swing arm 33.On this gear part 64, meshing the pinion 61 of θ direction drive motor 32.Leading section at swing arm 33 forms axis hole 65.The chimeric swinging axle 70 that is fixed with oscillating structural member 34 in this axis hole 65.
This swing arm 33, for lightweight when keeping intensity, therefore, form one section thin thinner wall section 67 with respect to the peripheral part 66 of the sidewall that surrounds swing arm 33, in inside, and further form the swinging axle 70 sides state of broadening gradually that high pulling torque is arranged to effect.
Oscillating structural member 34 is members from self-swinging bar 33 to delivery board 27 that use for the driving force that sends.Oscillating structural member 34 is supported pivotally at the leading section of floor board framing 12.Oscillating structural member 34 is made of swinging axle 70, conveying lever portion 71.
Swinging axle 70, its bottom are fixed in the axis hole 65 of swing arm 33, form the state parallel with the output shaft 62 of θ direction drive motor 32.This swinging axle 70 constitutes cylindric, is the form of extending to the top of lower shaft 15 from the swing arm 33 that is arranged at lower shaft 15 belows.
The axis hole 72 that runs through lower shaft 15 is formed at the top at swinging axle 70.As shown in Figure 7, this axis hole 72 forms the form that the peristome of comparing both sides with the center enlarges to left and right direction.According to the form of this axis hole 72, when utilizing the driving force that is transmitted by swing arm 33, swinging axle 70 carries out time rotational, prevent the interference between axis hole 72 and the lower shaft 15.
Conveying lever portion 71 is integrally formed at the upper end of swinging axle 70.In order to prevent the distortion of swinging axle 70, the distance of wishing to constitute the vertical between this conveying lever portion 71 and the swing arm 33 is 1 times～3 times of the diameter of axle of swinging axle 70.Top at the leading section of conveying lever portion 71 is provided with the square block 73 that engages with the conveying trough 51 of transport platform 42.
Thereby, the rotary driving force of θ direction drive motor 32 is transferred into swing arm 33 by pinion 61, swing arm 33 carries out wobble drive simultaneously with oscillating structural member 34 around swinging axle 70, the square block 73 of the leading section by being arranged at conveying lever portion 71, this wobble drive is transmitted to the delivery board 27 with transport platform 42, and delivery board 27 carries out wobble drive around fulcrum pin 43.
Then, effect and the effect with regard to described Sewing machines 1 describes.
According to this Sewing machines 1, owing to will be arranged at the below of base plate body 6 to the swing arm 33 that oscillating structural member 34 transmits the driving force of θ direction drive motor 32, that is, be arranged on the more below of lower shaft 15 with members such as driving force transfer systems, therefore, can use long swing arm 33.Owing to use this long swing arm 33, can oscillating structural member 34 be swung, so can use the small-sized drive motors of low power output for θ direction drive motor 32.
In addition, θ direction drive motor 32 is arranged down, even if use the drive motors of inexpensive length at above-below direction, also the upper end of θ direction drive motor 32 can be contained in the socle portion 3, therefore, the height of base plate body 6 can be reduced, Sewing machines 1 miniaturization can be made.
Because floor board framing 12 is provided with rib 21, therefore, can improve the intensity of the floor board framing 12 that is provided with socle portion 3 and various driving force transfer system members.
In addition, because this rib 21 is arranged at the top of swing arm 33, therefore, the layout of can not overslaugh long swing arm 33 and wobble drive and play above-mentioned effect.
The inside that makes described swing arm 33 forms thin wall shapes with respect to peripheral part 66, therefore, and can be in the intensity that guarantees swing arm 33, but lightweight.
Because swing arm 33 is arranged to respect to the form of swinging axle 70 towards the direction extension that deviates from delivery board 27, so shown in the dotted line of Fig. 5, swing arm 33A is arranged to along the state of delivery board 27, and the structure that also forms floor board framing 12A with side at delivery board 27 is compared, the periphery that can guarantee delivery board 27 makes big working space, can improve operating efficiency.
In addition, in order to transmit driving force, the structure that swinging axle 70 constituent ratio lower shafts 15 are extended more upward to delivery board 27.Its result, the height that had both needed base plate body 6 is the length part of swinging axle 70, has also increased the height of base plate body 6.This height is used effectively.That is, because the parallel state of output shaft 62 formation of swinging axle 70 and θ direction drive motor 32, so can effectively use as the spatial accommodation of θ direction drive motor 32 in the space that axially makes high base plate 2 of swinging axle 70.
Owing to make described swing arm 33 along with the form that forms width widen near described swinging axle 70 sides, therefore near the formation wide cut of the swinging axle 70 of high pulling torque effect, can increase the weight of swing arm 33 hardly and improve intensity.
1 times～3 times of the diameter of axle that the distance of the vertical between conveying lever portion 71 and the swing arm 33 are decided to be swinging axle 70.Therefore, the distortion of the swinging axle 70 in the time of can preventing to transmit driving force prevents departing from of work feed position.
Owing to be the gear part 64 and the structure that pinion 61 directly meshes that makes swing arm 33, therefore, can make simplifying the structure of cloth feeding mechanism 13.
Then, the modification of carrying out part change with regard to described embodiment describes.
1) in described embodiment, the apply pulse motor is as θ direction drive motor 32, but is not limited to pulse motor, also can use other drive motors or rotates electromagnet etc. and can carry out the transmission device that electric property revolution drives.
2) in described embodiment, the pinion that is installed on the θ direction drive motor 32 61 and the gear part 64 of swing arm 33 directly meshs, but also can pinion 61 and gear part 64 be meshed indirectly by idler gear etc.
3) in described embodiment, swing arm 33 is an example, forms thinner wall section 67 and makes near the formation wide cut etc. of swinging axle 70, but also can carry out suitable change according to desired specifications.
4) in described oscillating structural member 34, conveying lever portion 71 forms one with swinging axle 70, but also can perhaps, make swinging axle and swing arm constitute one with these as 2 other members of branch.
5) in described embodiment, the upper end of θ direction drive motor 32 is contained in the socle portion 3, but for fear of and R direction drive motor 29 between interference, also the upper end of θ direction drive motor 32 can be covered with plastic cover cap.In addition, also can use small-sized θ direction drive motor and form integrally contained structure in base plate 2.
6) in described embodiment, the present invention is applicable to interlock seam sewing machine 1, but the present invention also is applicable to lock circle eye Buttonhole sewing machine and Buttonhole sewing machine.
7) in described embodiment, see lower shaft 15 and swing arm 33 roughly be configured overlappingly, but also swing arm 33 can be arranged in the more below of lower shaft 15 that see also can be overlapping from overlooking from overlooking.
The present invention is not limited to the as above embodiment of explanation, and the sector personnel can be to the additional diversified change of described embodiment in the scope that does not break away from main idea of the present invention, and the present invention also comprises these modifications.
Claims (10)
1, a kind of Sewing machines has the cloth feeding mechanism of carrying processing cloth, to the lower shaft that the shuttle mechanism that is arranged on the base plate drives, it is characterized in that,
Described cloth feeding mechanism has:
For described processing cloth is carried to prescribed direction and be arranged at the transmission device of base plate downwards;
Be installed on the pinion on the output shaft of described transmission device;
At one end portion forms described pinion or the gear part that is meshed with idler gear with described pinion, the swing arm that utilizes described transmission device to swing; And
Be arranged at described swing arm the other end, make the swinging axle of delivery board swing with described cloth feeding mechanism,
Described swing arm is arranged at the below of described lower shaft.
2, the described Sewing machines of claim 1 is characterized in that, described base plate has the socle portion that is equipped with described transmission device, is provided with extension upward on top, the floor board framing that is formed with the rib that extends to vertical.
3, the described Sewing machines of claim 2 is characterized in that, described rib is formed at the top of swing arm.
4, the described Sewing machines of claim 1 is characterized in that, the inside of described swing arm forms thin wall shape with respect to peripheral part.
5, the described Sewing machines of claim 1 is characterized in that, described prescribed direction is the axial swaying direction around vertical.
6, the described Sewing machines of claim 1 is characterized in that, described swing arm is adapted to the state that extends from described swinging axle towards the direction that deviates from described delivery board.
7, the described Sewing machines of claim 1 is characterized in that, described swinging axle extends to the top of lower shaft, and the output shaft of described transmission device is parallel with described swinging axle, and described transmission device and swinging axle are housed inside in the described floor board framing.
8, the described Sewing machines of claim 1 is characterized in that, the width of described swing arm is along with broadening near described swinging axle side.
9, the described Sewing machines of claim 1, it is characterized in that, be provided with the conveying lever that connects described swinging axle and described delivery board in the upper end of described swinging axle, the distance of the vertical of described swing arm and described conveying lever is 1 times～3 times of the described swinging axle diameter of axle.
10, the described Sewing machines of claim 1 is characterized in that, the direct and described pinion of the gear part of described swing arm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003382328A JP4332785B2 (en) | 2003-11-12 | 2003-11-12 | sewing machine |
| JP2003382328 | 2003-11-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1616733A true CN1616733A (en) | 2005-05-18 |
| CN100588762C CN100588762C (en) | 2010-02-10 |
Family
ID=34691436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200410095796A Ceased CN100588762C (en) | 2003-11-12 | 2004-11-12 | Sewing machine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4332785B2 (en) |
| CN (1) | CN100588762C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103088561A (en) * | 2011-10-29 | 2013-05-08 | 上海贵衣缝纫设备有限公司 | Y-directional cloth feeding mechanism of bar-tacking machine |
-
2003
- 2003-11-12 JP JP2003382328A patent/JP4332785B2/en not_active Expired - Fee Related
-
2004
- 2004-11-12 CN CN200410095796A patent/CN100588762C/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103088561A (en) * | 2011-10-29 | 2013-05-08 | 上海贵衣缝纫设备有限公司 | Y-directional cloth feeding mechanism of bar-tacking machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100588762C (en) | 2010-02-10 |
| JP2005143633A (en) | 2005-06-09 |
| JP4332785B2 (en) | 2009-09-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1242821C (en) | Balance training device | |
| CN1174135C (en) | Power transmission apparatus of washing machines | |
| CN1891415A (en) | Link device and transfer robot | |
| CN1301655A (en) | Driving mechanism for auxiliary mechanism of bicycle driving device | |
| CN1752321A (en) | Cloth feeding device for sewing machine | |
| CN1861863A (en) | Jacquard machine | |
| CN1486665A (en) | Electric floor polishing device | |
| CN201105521Y (en) | Corrugated paper board belt paper feeding apparatus | |
| CN1939660A (en) | Electric tool | |
| CN1042962C (en) | Drive force transmission for a shuttle section in a sewing machine | |
| CN1948585A (en) | Differential material feeding device of sewing machine | |
| KR100338527B1 (en) | Circular embroidery machine | |
| CN1616733A (en) | Sewing machine | |
| CN1519179A (en) | Transportation appts. | |
| CN1478708A (en) | Belt type feeding device | |
| CN1865567A (en) | Horizontal rotary hook for sewing machine | |
| CN1538594A (en) | Roller with electric motor in it | |
| CN1134562C (en) | Cloth feeding device of sewing machine | |
| CN1259813C (en) | Power transmission structure for small tillers | |
| CN1542192A (en) | Cloth feeding mechanism of sewing machine | |
| CN1274197C (en) | Working machines | |
| CN200945489Y (en) | Bottle pass in and out device for bottle washing machine | |
| CN1234930C (en) | Sewing machine | |
| CN1121523C (en) | Circulating sewing machine | |
| CN101037833A (en) | Feeding device for pattern sewing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20110823 Decision number of declaring invalidation: 17112 Granted publication date: 20100210 |
|
| C35 | Partial or whole invalidation of patent or utility model | ||
| IP01 | Partial invalidation of patent right |
Decision date of declaring invalidation: 20110823 Decision number of declaring invalidation: 17112 Granted publication date: 20100210 |