CN104947334A - Delivery arm type sewing machine - Google Patents
Delivery arm type sewing machine Download PDFInfo
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- CN104947334A CN104947334A CN201510136301.1A CN201510136301A CN104947334A CN 104947334 A CN104947334 A CN 104947334A CN 201510136301 A CN201510136301 A CN 201510136301A CN 104947334 A CN104947334 A CN 104947334A
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- arm
- support
- sewing machine
- linking part
- type sewing
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Abstract
The invention provides a delivery arm type sewing machine, while operability of the sewing machine is maintained, an operator can easily observe a needle dropping position without approaching a main body of the sewing machine. A machine base that connects a machine cylinder (3) and an arm (4) consists of a first machine base (2), a first joining part (6), a second machine base (7) and a second joining part (8), a right side face of an upper part of the first machine base (2) connected with the machine cylinder (3) is connected with a base of the first joining part (6), a front end of the an upper part of the first joining part (6), which extends from the base towards an upper side, is connected with a base of the second machine base (7), and a rear surface of the second machine base (7), which extends from the base of the second machine base (7) towards the right side, is joined with a base of the arm (4) extending horizontally through the second joining part (8).
Description
Technical field
The present invention relates to a kind of arm-outtake type sewing machine, particularly relate to a kind of have to extend from support to the direction of feeding cloth and to possess the arm-outtake type sewing machine of the machine barrel (cylinder) of needle plate.
In the present invention, front and back refer to the fore-and-aft direction in cloth direction of feed, and left and right refers to left and right directions when observing Sewing machines from front.In addition, the above-below direction of Sewing machines is referred to up and down.
Background technology
As this arm-outtake type sewing machine, the device (such as with reference to patent document 1) that extends to cross one another direction from support of the known machine barrel possessing needle plate and the arm possessing main shaft (upper axle) in the past.Fig. 4 to Fig. 6 illustrates the outward appearance of the sewing machine main body 11 in existing arm-outtake type sewing machine disclosed in patent document 1, and Fig. 4 is the left side view of this Sewing machines, and Fig. 5 is the top view of this Sewing machines, and Fig. 6 is the front view of this Sewing machines.
As shown in Figure 4, machine barrel 13 extends from support 12 to cloth direction of feed F.The base portion of arm 14 is based on support 12, and arm 14 is along the direction horizontal-extending intersected with machine barrel 13.As shown in Figure 5, the leading section of arm 14 bends towards the front of machine barrel 13, is connected with head 15 in the front end of this arm 14.Head 15 is configured at above the needle plate 16 of machine barrel 13 front end upper surface setting.
Not shown shank, depression bar are given prominence to from the lower surface of head 15, and are fixed with many pins in shank, are fixed with presser feet 17 in depression bar.Not shown adjustment part up and down (measuring), upper decoration fagging etc. are possessed in presser feet 17.In addition, there is not shown feeding tooth, looper in machine barrel 13.
As shown in Figure 5, in arm 14, main shaft 10 is configured with along the bearing of trend of arm 14.One end of the close head 15 of main shaft 10 is outstanding outside arm 14, is provided with handwheel 29 (hand wheel) in one end of this main shaft 10.Handwheel 29 is added to be held not shown motor conveyer belt and is transmitted to main shaft 10 by the power of the drive source of not shown Sewing machines, and can be operated by the hand of operator when Sewing machines stops and main shaft 10 be rotated.
Head 15 side of main shaft 10 be linked with not shown needle bar drive device, adjustment part driving mechanism, on decorate driving mechanism etc., thus drive described pin, adjustment part, upper decoration fagging etc. by the rotation of main shaft 10.In addition, be linked with not shown multiple eccentric rods in arm 14 base portion side of main shaft 10, this eccentric rod be configured at the not shown feeding tooth driving mechanism of support 12, looper drive is connected.And, drive feeding tooth, looper by the rotation of main shaft 10.
In existing arm-outtake type sewing machine as constructed as above, by the cloth that is loaded into machine barrel 13 upper surface to the front of this machine barrel 13 and cloth direction of feed F feeding, and each component cooperation such as above-mentioned pin, looper and making.Arm-outtake type sewing machine disclosed in patent document 1 is mainly used in making the cloth end of the pairing left and right of two panels cloth or tubular cloth dock and make it partially overlap, thus forms two-thread chain stitch or flat lock stitch stitching in its intersection.
At first technical literature
Patent document
Patent document 1: Japanese Patent Publication 30-5835 publication (Fig. 1 ~ Fig. 2)
When using above-mentioned existing arm-outtake type sewing machine to make, the operator carrying out making is positioned at the nearby side (right side of the support shown in Fig. 4) of the cloth direction of feed F of front, the i.e. support 12 of Sewing machines towards cloth direction of feed F, the cloth end of above-mentioned pairing left and right is picked up respectively with right-hand man, stretched into from left and right sides direction machine barrel 13 upper surface of support 12 respectively by this cloth end, the not shown needle downing position towards needle plate 16 sends into cloth.In making, operator needs to make normally to watch attentively near needle downing position all the time, when this existing Sewing machines, observes above the base portion of the arm 14 based on support 12 near needle downing position.
But, in existing arm-outtake type sewing machine, this position away from operator on the needle plate 16 that needle downing position is positioned at machine barrel 13 front end, thus operator has to cross the base portion upper surface of arm 14 and observes needle downing position.And then operator is in order to watch needle downing position attentively, and often cross the base portion upper surface of arm 14 and make face orientation needle downing position close, so, the health of operator, especially chest can touch the front surface of the base portion of arm 14.And the heat produced along with Sewing machines drives, vibration likely to the health transmission of operator, thus cause harmful effect to the health of operator.
In addition, above-mentioned multiple eccentric rod configures from the base portion of arm 14 across support 12, very long and weight is large.Therefore, when Sewing machines drives, large load acts on described multiple eccentric rod, and this becomes one of reason of the high speed hindering Sewing machines to drive.
Summary of the invention
The present invention completes to solve the problem, and its object is to provide a kind of while maintenance operator operates the operability of cloth, improves the observation of needle downing position and sewing machine main body is not easy the arm-outtake type sewing machine of the health touching operator.
For solving the means of problem
In order to achieve the above object, the arm-outtake type sewing machine of the 1st aspect of the present invention possesses: machine barrel, and its cardinal extremity is connected on support, and extends to cloth direction of feed, arm, its base portion is connected on support, and on the direction intersected with machine barrel horizontal-extending, and head, its connection is arranged on arm front end, and be configured at the top of machine barrel front end, the feature of this arm-outtake type sewing machine is, described support is by the first support, first linking part, second support and the second linking part are formed, described first support connects described machine barrel, the upper right face that the base portion of described first linking part is connected to described first support extends upward, the base portion of described second support is connected to the front end, top of described first linking part and extends to the right, described second linking part is connected on the rear surface of described second support, and be connected with the base portion of described arm.
Based on 2nd aspect of the present invention arm-outtake type sewing machine in the first way, it is characterized in that, described first frame upper surface inclined downward backward.
Based on 3rd aspect of the present invention arm-outtake type sewing machine in the first way, it is characterized in that, described first linking part is along with tilted rearward upward.
Based on 4th aspect of the present invention arm-outtake type sewing machine in the first way, it is characterized in that, a part of tilted rearward of the upside of described first support front surface.
The 5th aspect of the present invention to the arm-outtake type sewing machine of fourth way, is characterized in that possessing: main shaft in the first way, and it configures along the bearing of trend of this arm in described arm, and is supported to and can sways; Jackshaft, it configures along the bearing of trend of this second support in described second support, and is supported to and can sways; Lower shaft, it configures from described first upper part of the frame orthogonally to described first linking part and cloth direction of feed, and is supported to and can sways; First conveyer belt, it is held by the right side of described lower shaft and the left frame of described jackshaft; And second conveyer belt, it is held by the right side of described main shaft and the left side frame of described jackshaft.
The 6th aspect of the present invention, based on the arm-outtake type sewing machine of the 5th mode, is characterized in that, is connected with the drive source of Sewing machines at the right-hand member of described main shaft, is provided with handwheel at the right-hand member of described jackshaft.
Invention effect
According to the 1st aspect of the present invention, arm is not based on support, and thus operator improves the observation of needle downing position, thus the health of operator not easily touches arm or support.In addition, the region of the first support right is fully guaranteed, thus the right hand can be stretched into machine barrel upper surface by operator without barrier, thus can not damage the operability that operator operates cloth.And then, broad space can be guaranteed on the inside of the second support or arm, surface, thus can configure and make required each mechanism.
According to the 2nd aspect of the present invention, the observation of operator to needle downing position is further improved.
According to the 3rd aspect of the present invention, the first linking part reduces the constriction of operator, and operator easily makes face orientation needle downing position close in addition.
According to the 4th aspect of the present invention, even if operator makes face close to needle downing position to watch needle downing position attentively, the health of operator also not easily touches support.
According to the 5th aspect of the present invention, the same lower shaft with being configured at the first support of each driving mechanism such as feeding tooth, looper being configured at the first support links and is driven, but the coupling members such as the eccentric rod size compared with conventional example described each driving mechanism and lower shaft being carried out linking is shorter, weight is lighter, thus can alleviate the load of this coupling member.
According to the 6th aspect of the present invention, handwheel configures in position that is safer concerning operator and that be easy to operate.
Accompanying drawing explanation
Fig. 1 is the summary stereogram of the sewing machine main body that arm-outtake type sewing machine of the present invention is shown.
Fig. 2 is the summary left side view of the sewing machine main body that above-mentioned Sewing machines is shown.
Fig. 3 is the synoptic diagram of the sewing machine main body of the above-mentioned Sewing machines observed slightly by the top from front.
Fig. 4 is the left side view of the sewing machine main body that existing arm-outtake type sewing machine is shown.
Fig. 5 is the top view of the sewing machine main body that above-mentioned Sewing machines is shown.
Fig. 6 is the front view of the sewing machine main body that above-mentioned Sewing machines is shown.
Description of reference numerals:
1 sewing machine main body
2 first supports
2a upper surface
2b front surface
3 machine barrels
4 arms
5 heads
6 first linking parts
7 second supports
8 second linking parts
9 needle plates
9a needle downing position
18 main shafts
19 jackshafts
20 lower shafts
21 first conveyer belts
22 second conveyer belts
23 motors
24 handwheels
F cloth direction of feed
Detailed description of the invention
Below, be described with reference to the sewing machine main body 1 of accompanying drawing to embodiments of the present invention.It should be noted that, the position of the shell forming sewing machine main body 1 is illustrated by double dot dash line.The cardinal extremity of machine barrel 3 is connected to the bottom, rear surface of the first support 2, and machine barrel 3 towards direction of feed F horizontal-extending.Machine barrel 3 leading section upper surface has needle plate 9, needle plate 9 is provided with needle downing position 9a.As shown in Figure 1 and Figure 2, the first support 2 is seen from left side side in pentagon, and the upside of front surface 2b is along with upwards and towards direction of feed F and back sweep.In addition, the upper surface 2a of the first support 2 is towards direction of feed F i.e. inclined downward backward downwards.
As shown in Figure 1, Figure 3, the upper right face of the first support 2 is connected with the base portion of the first linking part 6, the first linking part 6 tilted rearward and extending upward compared with this base portion.The lower surface of the described base portion of the first linking part 6 is positioned at the position higher than the upper surface of machine barrel 3.The front end, top of the first linking part 6 is connected with the base portion of the second support 7, and the second support 7 flatly extends compared with this base portion to the right.The bearing of trend of the second support 7 is orthogonal with cloth direction of feed F.
One end of second linking part 8 is connected on the rear surface, right side of the second support 7, and the other end of the second linking part 8 is connected with the base front surface of arm 4.Arm 4 extends from its base portion towards left and machine barrel side, is connected with head 5 at its left end.Head 5 is located at the top of the needle plate 9 that machine barrel 3 upper surface is arranged.Be provided with each mechanism for the formation of stitching in the inside of head 5, machine barrel 3, be configured with not shown multiple pins, pressing plate in addition in the below of head 5, these not shown components are existing known, thus omit the description.In addition, on the rear surface of the front surface of arm 4, the second support 7, although not shown, be provided with for controlling needlework, the line extraction member such as jumper wire device, cam of extraction of decorative thread and the wire element that guides the trend of these lines.
As shown in Figure 1, Figure 3, the bearing of trend of arm 4 is orthogonal with cloth direction of feed F.That is, arm 4 and the second support 7 configure abreast.Further, in " コ " shape, ground links seen from above for arm 4, second linking part 8 and the second support 7.
Main shaft 18 is configured with along the bearing of trend of this arm 4 in arm 4.Main shaft 18 is supported by arm 4 in the mode that can sway, and right-hand member is given prominence to the right from the right flank of arm 4, and left end is outstanding in head 5.The right flank of arm 4 is provided with the motor 23 as the drive source of sewing machine main body 1, and the right-hand member of main shaft 18 and the not shown motor drive shaft of motor 23 link.
Bearing of trend along this second support 7 in the second support 7 is configured with jackshaft 19.Jackshaft 19 is supported by the second support 7 in the mode that can sway, and right-hand member is given prominence to the right from the right flank of the second support 7, and the right-hand member that this is outstanding is provided with handwheel 24.
Lower shaft 20 configures along left and right directions from the first support 2 top across to the first linking part 6 bottom.Lower shaft 20 can sway, and its right-hand member is supported by the first linking part 6, and left end is supported by the first support 2.As shown in FIG. 1 to 3, main shaft 18, jackshaft 19, lower shaft 20 are parallel to each other and orthogonal with cloth direction of feed F and configure.In addition, main shaft 18 is positioned at identical height with jackshaft 19, and lower shaft 20 is configured at than main shaft 18 and the low position of jackshaft 19.
In the arm 4 of main shaft 18, right-hand member side is fixed with pulley 25, and right-hand member side is fixed with pulley 26 in the second support 7 of jackshaft 19.Second conveyer belt 22 passes through at the second linking part 8, and via pulley 25, pulley 26 and being held by main shaft 18 and jackshaft 19 frame.
Be fixed with pulley 27 in the left end side of jackshaft 19, in the first linking part 6 of lower shaft 20, right-hand member side is fixed with pulley 28.First conveyer belt 21 configures along the bearing of trend of the first linking part 6, and via pulley 27, pulley 28 and being held by jackshaft 19 and lower shaft 20 frame.
Main shaft 18 in arm 4 or in head 5 with not shown shank, adjustment part, on decorate fagging etc. each driving mechanism link.In addition, lower shaft 20 links with same not shown each driving mechanism such as feeding tooth, looper via not shown multiple eccentric rod in the first support 2.When main shaft 18 rotates due to the driving of motor 23, the rotation of main shaft 18 is via the second conveyer belt 22, jackshaft 19, first conveyer belt 21 and transmitting to lower shaft 20, thus lower shaft 20 and main shaft 18 pari passu rotate.
In the arm-outtake type sewing machine with sewing machine main body 1 as constructed as above, when operator carries out making operation, operator is relative with the front surface 2b of the first support 2, and the eyes of operator are roughly identical height with arm 4 upper surface or are positioned at the top of arm 4 upper surface.Now, as shown in Figure 3, arm not as existing arm-outtake type sewing machine based on the top of the first support 2, thus operator is easy to cross position and observes near the needle downing position 9a of needle plate 9 lower than the upper surface 2a of the first support 2 of arm 4 upper surface.Thus, operator does not need to make health close to sewing machine main body 1 to watch needle downing position 9a attentively, thus the health of operator can not touch first support 2 etc. of sewing machine main body 1, thus sewing machine main body 1 produce heat, vibration can not produce harmful effect to the health transmission of operator to operator.
In addition, as shown in Figure 3, in the right side side of the first support 2, except top, there is not the position linked with arm 4, and there is not the position linked with arm 4 in the lower right side of the first linking part 6 yet.Namely, the region of the right of the first support 2 is very spacious, sewing machine main body 1 is configured to, when the right hand is stretched into machine barrel 3 upper surface and is sent towards needle downing position 9a by cloth by operator, be not only than right arm elbow on the front, even this arm also not easily touches sewing machine main body 1, thus the operability of operator can not be damaged.
Further, if make the upper surface 2a of the first support 2 be the structure tilted towards the back lower place as in the present embodiment, then the visual field of the needle downing position 9a that sees of operator nearby side is broad, and the observation near needle downing position improves further.In addition, if make the top of the first support front surface 2b, the first linking part 6 be along with before upward and then the structure of tilted rearward, then the constriction of operator is reduced, even and if operator makes face orientation needle downing position 9a close, the health of operator also more not easily touches sewing machine main body 1.
And, as previously mentioned, arm 4 and the second support 7 are configured abreast, and make it to become the structure linked by the second linking part 8 on the two right side for " コ " shape, thus in arm 4, second support 7, the space that each mechanism for the formation of stitching accommodates is guaranteed fully, in addition on arm 4 front surface, the second support 7 rear surface, component, the space that such as not shown needlework extraction member etc. is configured being linked to described each mechanism is guaranteed fully.
As mentioned above, the sewing machine main body 1 of the present embodiment, while maintenance operator is to the operability of making, improves operator to the observation of needle downing position, and can guarantee that inner, the surperficial space of arm is larger.In the sewing machine main body 1 of such shape, by configuration and the link of main shaft 18 described above, jackshaft 19, lower shaft 20, first conveyer belt 21, second conveyer belt 22, each driving mechanism and the lower shaft 20 that are configured at the first support 2 link and pari passu drive the rotation of lower shaft 20.Lower shaft 20 is configured at lower position compared with the main shaft 18 being configured at arm 4, the each mechanism being configured at the first support 2 and lower shaft 20 are carried out compared with multiple eccentric rod of linking and conventional example, the eccentric rod that namely links with main shaft, certain size is shorter, weight is lighter, thus the load putting on eccentric rod when Sewing machines drives can be alleviated, the high speed of Sewing machines can be realized.
In addition, in the above-mentioned conventional example shown in Fig. 4 ~ Fig. 6, handwheel (handwheel 29) is configured at main shaft 10 front end of head 15 side of arm 14, to be namely configured at operator the contrary side across arm 14, not to be in the maneuverable position of operator.On the other hand, the handwheel 24 in the present embodiment is installed on the right-hand member of jackshaft 19, and this pair operator of right flank that thus handwheel 24 is configured at the second support 7 is easier to operation and the position of safety.
It should be noted that, the invention is not restricted to embodiment described above, such as, each position of sewing machine main body 1 is configured to symmetrical arm-outtake type sewing machine and does not also depart from purport of the present invention, there is the effect same with above-described embodiment.
Claims (6)
1. an arm-outtake type sewing machine, it possesses:
Machine barrel, its cardinal extremity is connected on support, and extends to cloth direction of feed;
Arm, its base portion is connected on support, and on the direction intersected with machine barrel horizontal-extending; And
Head, its connection is arranged on arm front end, and is configured at the top of machine barrel front end,
The feature of this arm-outtake type sewing machine is,
Described support is made up of the first support, the first linking part, the second support and the second linking part,
Described first support connects described machine barrel,
The upper right face that the base portion of described first linking part is connected to described first support extends upward,
The base portion of described second support is connected to the front end, top of described first linking part and extends to the right,
Described second linking part is connected on the rear surface of described second support, and is connected with the base portion of described arm.
2. arm-outtake type sewing machine according to claim 1, is characterized in that,
Described first frame upper surface inclined downward backward.
3. arm-outtake type sewing machine according to claim 1, is characterized in that,
Described first linking part is along with tilted rearward upward.
4. arm-outtake type sewing machine according to claim 1, is characterized in that,
A part of tilted rearward of the upside of described first support front surface.
5. arm-outtake type sewing machine according to any one of claim 1 to 4, is characterized in that, possesses:
Main shaft, it configures along the bearing of trend of this arm in described arm, and is supported to and can sways;
Jackshaft, it configures along the bearing of trend of this second support in described second support, and is supported to and can sways;
Lower shaft, it configures from described first upper part of the frame orthogonally to described first linking part and cloth direction of feed, and is supported to and can sways;
First conveyer belt, it is held by the right side of described lower shaft and the left frame of described jackshaft; And
Second conveyer belt, it is held by the right side of described main shaft and the left side frame of described jackshaft.
6. arm-outtake type sewing machine according to claim 5, is characterized in that,
The right-hand member of described main shaft is connected with the drive source of Sewing machines, and the right-hand member of described jackshaft is provided with handwheel.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014069721A JP6364214B2 (en) | 2014-03-28 | 2014-03-28 | Delivery arm type sewing machine |
| JP2014-069722 | 2014-03-28 | ||
| JP2014069722A JP6334989B2 (en) | 2014-03-28 | 2014-03-28 | Delivery arm type sewing machine |
| JP2014-069721 | 2014-03-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104947334A true CN104947334A (en) | 2015-09-30 |
| CN104947334B CN104947334B (en) | 2019-05-07 |
Family
ID=54162369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510136301.1A Active CN104947334B (en) | 2014-03-28 | 2015-03-26 | Arm-outtake type sewing machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104947334B (en) |
| TW (1) | TWI616571B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109554837A (en) * | 2017-09-25 | 2019-04-02 | Juki株式会社 | Send out the double ring seam sewing machine of wrist type |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2623484A (en) * | 1948-03-19 | 1952-12-30 | Singer Mfg Co | Feed-off-the-arm sewing machine |
| US3875877A (en) * | 1974-03-13 | 1975-04-08 | Singer Co | Feed-off-the-arm sewing machine |
| CN2578364Y (en) * | 2002-10-18 | 2003-10-08 | 尤鹏举 | Rotary arm of leather sewing machine |
| CN101016679A (en) * | 2006-02-10 | 2007-08-15 | 飞马缝纫机制造株式会社 | Driving device for crank arm type sewing mechine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4674706B2 (en) * | 2003-03-28 | 2011-04-20 | ヤマトミシン製造株式会社 | sewing machine |
| CN201236261Y (en) * | 2008-07-22 | 2009-05-13 | 徐石渊 | Improvement of direct reel type flat seaming machine drive structure |
| CN101979746B (en) * | 2010-10-14 | 2012-10-03 | 西安标准工业股份有限公司 | Cylinder-type flat seaming machine |
| CN202107883U (en) * | 2011-06-14 | 2012-01-11 | 徐石渊 | Improvement of separated transmission structure of cylindrical flat seaming machine |
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2015
- 2015-03-26 CN CN201510136301.1A patent/CN104947334B/en active Active
- 2015-03-27 TW TW104109888A patent/TWI616571B/en active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2623484A (en) * | 1948-03-19 | 1952-12-30 | Singer Mfg Co | Feed-off-the-arm sewing machine |
| US3875877A (en) * | 1974-03-13 | 1975-04-08 | Singer Co | Feed-off-the-arm sewing machine |
| CN2578364Y (en) * | 2002-10-18 | 2003-10-08 | 尤鹏举 | Rotary arm of leather sewing machine |
| CN101016679A (en) * | 2006-02-10 | 2007-08-15 | 飞马缝纫机制造株式会社 | Driving device for crank arm type sewing mechine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109554837A (en) * | 2017-09-25 | 2019-04-02 | Juki株式会社 | Send out the double ring seam sewing machine of wrist type |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201536979A (en) | 2015-10-01 |
| TWI616571B (en) | 2018-03-01 |
| CN104947334B (en) | 2019-05-07 |
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Address after: Osaka City, Osaka of Japan Patentee after: Pegasus Corp. Address before: Japan's Osaka City of Osaka Patentee before: Pegasus Sewing Machine Mfg. Co.,Ltd. |
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