CN108754883A - The feed mechanism of arm-outtake type sewing machine - Google Patents
The feed mechanism of arm-outtake type sewing machine Download PDFInfo
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- CN108754883A CN108754883A CN201810932995.3A CN201810932995A CN108754883A CN 108754883 A CN108754883 A CN 108754883A CN 201810932995 A CN201810932995 A CN 201810932995A CN 108754883 A CN108754883 A CN 108754883A
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- differential
- feed
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- differential feed
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention provides in the case of open the thickness or material difference of cloth even if in the left and right of suture two, in the case of sewing curve part be properly fed to capable of realizing the desired sewing result of operating personnel two clothes in left and right arm-outtake type sewing machine feed mechanism.Feed mechanism (6) carries out main feeding tooth (19), the first differential feed tooth (20) and the second differential feed tooth (21) of elliptic motion by being interlocked with main shaft in the vertical plane along cloth direction of feed F, will be positioned in the cloth on machine barrel (1) and is conveyed along cloth direction of feed F.Feed mechanism (6) has the first differential feed amount regulating mechanism (61) that adjusting is changed to the amount (hereinafter referred to as the first differential feed amount) that main shaft every revolution the first differential feed tooth (20) acts in the longitudinal direction.In addition, feed mechanism (6) has the second differential feed amount regulating mechanism (71) that change adjusts the amount (hereinafter referred to as the second differential feed amount) that main shaft every revolution the second differential feed tooth (21) acts in the longitudinal direction.
Description
The application be the applying date be on 06 10th, 2014, application No. is 201410255683.5, entitled " send out
The divisional application of the application for a patent for invention of the feed mechanism of arm type sewing machine ".
Technical field
The present invention relates to a kind of feeding machines of the arm-outtake type sewing machine of the easy sewing operations for carrying out roundel, barrel
Structure will control the submitting arm for being most suitable for feeding cloth along cloth direction of feed when two cloth sutures more particularly to a kind of
The feed mechanism of held sewing machine.
In the present invention, cloth direction of feed refers to the direction that machine barrel (cylinder) extends from bottom plate lower part.
In the present invention, the front and back front-rear direction referred in cloth direction of feed, left and right refer to from front (in cloth direction of feed
In face of bottom plate side) observation sewing machine when left and right directions.In addition, referring to the upper and lower directions of sewing machine up and down.
Background technology
In the past, the feed mechanism as this arm-outtake type sewing machine, it is known that the feeding of following arm-outtake type sewing machine
Mechanism will feed tooth interlocking lever (feeding station) along the length direction of the machine barrel extended in the horizontal direction in sewing machine lower part and match
It sets in inside machine barrel, cloth is conveyed into (referring to patent document 1) along the extending direction of machine barrel.The arm-outtake type sewing machine into
To mechanism feeding tooth interlocking lever by advancing to tooth interlocking lever (main feeding station) and back fed tooth interlocking lever (differential feed platform) structure
At feeding tooth interlocking lever left-right situs setting in machine barrel before and after these.It is interlocked to tooth interlocking lever and back fed tooth advancing
The front end of bar is separately installed with advance to tooth (main feeding tooth), back fed tooth (differential feed tooth).Advance to tooth and back fed tooth
Feeding tooth position was in the mode front and back configuration each other at the rear of back fed tooth in the past.
【Citation】
【Patent document】
Patent document 1：Japanese practical new case registers No. 3151578 bulletin (the 6-8 pages, the first -5 figure)
The suture of lower crosspiece part of this arm-outtake type sewing machine for example for carrying out briefs for men, shorts, specifically,
Cloth is opened in the left and right two being positioned on machine barrel to suture to be overlapped above and below Rack from respective ora terminalis.The left and right two of suture
Cloth on feeding tooth left-right situs and conveyed in cloth direction of feed, and in the arm-outtake type sewing machine of the prior art
Feed mechanism in, open the different feelings of the cloth amount of feeding that fabric thickness, material do not exist simultaneously left and right in the left and right of suture two
Condition or sew curve part when in the presence of left and right cloth need the different amount of feeding the case where.Therefore, in previous submitting arm
In held sewing machine in the case where carrying out such as above-mentioned sewing, exists and cause to generate operating personnels' never phases such as seam wrinkle in sewed product
The problem of sewing result of prestige.
Invention content
In this regard, the present invention is completed to solve the problems, such as above, even if it is intended that providing on a left side for suture
It can also be realized desired by operating personnel in the case of right two fabric thickness or material difference or in the case of sewing curve part
Sewing result be properly fed to left and right two clothes arm-outtake type sewing machine feed mechanism.
【Means for solving the problems】
For the feed mechanism of the arm-outtake type sewing machine of the present invention, as described in technical solution 1, for the ease of understanding this hair
Bright content referring to Fig.1~Fig. 4 in the symbol that marks and illustrate,
The feed mechanism 6,106 that the arm-outtake type sewing machine has will by machine barrel 1,101 and arm 3,103 and feeding tooth
The cloth being positioned on the machine barrel 1,101 is conveyed along cloth direction of feed F, bottom plate of the machine barrel 1,101 from setting setting
2,102 lower part to cloth direction of feed F extend, the arm 3,103 from the end of the bottom plate 2,102 to cloth feeding side
The direction intersected to F extends, and the feeding tooth is interlocked with main shaft and carried out in the vertical plane along cloth direction of feed F oval
Movement,
The feed mechanism 6,106 of the arm-outtake type sewing machine is characterized in that having：
Main feeding station 14, the first differential feed platform 15 and the second differential feed platform 16, they are along the machine barrel 1,101
Extending direction and in machine barrel 1,101 left-right situs configure；
Main feeding tooth 19 is mounted on the front end of the main feeding station 14；
First differential feed tooth 20 is located at relative to the main feeding tooth 19 on front side of the face on cloth direction of feed F, and
It is installed in the front end of the first differential feed platform 15；
Second differential feed tooth 21 is located at relative to the main feeding tooth 19 on front side of the face on cloth direction of feed F, and
It is adjacent on the direction intersected with cloth direction of feed F relative to the first differential feed tooth 20, also, this second it is differential into
The front end of the second differential feed platform 16 is installed in tooth 21；
First differential feed amount regulating mechanism 61, it is differential to the first differential feed of main shaft every revolution tooth 20 and first
The amount (hereinafter referred to as the first differential feed amount) that feeding station 15 acts in the longitudinal direction changes adjusting；
Second differential feed amount regulating mechanism 71, it is differential to the second differential feed of main shaft every revolution tooth 21 and second
The amount (hereinafter referred to as the second differential feed amount) that feeding station 16 acts in the longitudinal direction changes adjusting.
Accordingly, when cloth suture is opened in the different left and right two of thickness, material or when sewing curve part when, lead to
It crosses and has the first differential feed amount regulating mechanism 61, the second differential feed amount regulating mechanism 71, it is differential that first can be adjusted respectively
The amount of feeding, the second differential feed amount thus allow for the sewing of desired sewing result.
As described in technical solution 2, the feed mechanism of the arm-outtake type sewing machine described in technical solution 1 can also be taken as follows
Structure, that is, the first differential feed amount regulating mechanism 61 have be arranged it is poor for adjusting first in the outside of sewing machine
First operating member of the dynamic amount of feeding,
The second differential feed amount regulating mechanism 71 have be arranged it is differential for adjusting second in the outside of sewing machine
Second operating member of the amount of feeding.
Accordingly, it since the first operating member, the second operating member are arranged in the outside of sewing machine, can extremely be easy
Ground carries out the adjusting of the first differential feed amount, the second differential feed amount.
As described in technical solution 3, the feed mechanism of the arm-outtake type sewing machine described in technical solution 2 can also be taken as follows
Structure, that is, the first differential feed tooth 20 and the second differential feed tooth 21 are relative to cloth direction of feed F, with institute
The mode left and right configuration each other that the first differential feed tooth 20 is located at the left side of the second differential feed tooth 21 is stated,
First operating member is configured in the left side of the bottom plate 2,102,
The second operating member configuration is in the right side of the bottom plate 2,102.
Accordingly, to draw by the first differential feed tooth 20 of left side configuration relative to cloth direction of feed F being intended to change to adjust
In the case of the first differential feed amount risen, the first operating member to configuration in the left side of bottom plate 2,102 is operated i.e.
Can mode, the operating member of adjusting will be accordingly changed to it with the differential feed tooth for the differential feed amount side to be adjusted
Configuration is on bottom plate.Therefore, even if being configured with the first operating member and the second operating member, operation in the side of bottom plate 2,102
Personnel will not confuse use should operate for which side operating member, and can change and adjust desired differential feed amount.
As described in technical solution 4, the feed mechanism of the arm-outtake type sewing machine described in technical solution 3 can also be taken as follows
Structure, that is, the feed mechanism 6,106 has main differential feed amount regulating mechanism 81, the main differential feed amount regulating mechanism
The amount that main feeding tooth 19 and the main feeding station 14 act in the longitudinal direction described in 81 pairs of main shaft every revolutions is (hereinafter, claim
Make the main amount of feeding), the first differential feed amount and the second differential feed amount change adjusting together,
The main differential feed amount regulating mechanism 81 has third operating member, which is arranged in sewing machine
Outside for being adjusted together to the main amount of feeding, the first differential feed amount and the second differential feed amount.
Accordingly, by being operated to the third operating member for being arranged in the outside of sewing machine, adjusting can be changed together
The main amount of feeding, the first differential feed amount and the second differential feed amount.
【Invention effect】
The feed mechanism of arm-outtake type sewing machine according to the present invention opens fabric thickness or material not in the left and right of suture two
With in the case of or in the case of sewing curve part, adjusted since the cloth relative to left and right can be distinguished and easily change
The amount of feeding of cloth, therefore feed two clothes in left and right with capable of realizing the desired sewing result of operating personnel.
Description of the drawings
Fig. 1 is the simple solid of the appearance of the feed mechanism in the arm-outtake type sewing machine for indicate one embodiment of the invention
Figure.
Fig. 2 is the stereogram of the appearance of the feed mechanism in the arm-outtake type sewing machine for indicate Fig. 1.
Fig. 3 is the exploded perspective view of the appearance of the feed mechanism in the arm-outtake type sewing machine for indicate Fig. 1.
Fig. 4 is the simple solid of the appearance of the feed mechanism in the arm-outtake type sewing machine for indicate the other embodiment of the present invention
Figure.
【Symbol description】
1 machine barrel
2 bottom plates
3 arms
About 9 use stick
Stick is used before and after 10
14 main feeding station
15 first differential feed platforms
16 second differential feed platforms
19 main feeding teeth
20 first differential feed teeth
21 second differential feed teeth
26 couple axles
27 adjust crank
32 axis of rocking
45 first differential adjusting cranks
55 second differential adjusting cranks
61 first differential feed amount regulating mechanisms
62 first differential adjusting rods (the first operating member)
71 second differential feed amount regulating mechanisms
72 second differential adjusting rods (the second operating member)
81 main differential feed amount regulating mechanisms
The 82 differential adjusting rods (third operating member) of master
Specific implementation mode
Hereinafter,-Fig. 3 illustrates the suitable first embodiment of arm-outtake type sewing machine according to the present invention referring to Fig.1.
As shown in Figure 1, the arm-outtake type sewing machine involved by first embodiment has machine barrel 1, bottom plate 2 and arm 3.Machine barrel
1 is horizontally extending from the lower part for the bottom plate 2 for erectting setting.The direction that machine barrel 1 is extended from 2 lower part of bottom plate as cloth into
Give direction F.Bottom plate 2 extends upward and to cloth direction of feed F, and when carrying out sewing operations, operating personnel is from 2 sidelong glance of bottom plate
Depending on carrying out sewing operations while machine barrel 1, therefore in order to be easy visually its at hand plate, and it is equipped with height as shown in Figure 1 in bottom plate 2
Poor 2a.In the end to the extended bottom plates of cloth direction of feed F 2, arm 3 extends to the direction intersected with cloth direction of feed F, arm
3 front end is located at the top of 1 front end of machine barrel.
It is configured with feed mechanism 6 in the lower part of bottom plate 2 and machine barrel 1.Being configured in the inside of arm 3 can be pivoted
Main shaft (not shown) is driven feed mechanism 6 by the rotation of the main shaft.The configuration of feed mechanism 6 is in the lower part of bottom plate 2 and has
Along the extended transmission shaft of left and right horizontal 7.Transmission shaft 7 is supported by the pivot as to rotate freely by bottom plate 2, with the rotation of main shaft interlock and around
Axis rotates.As shown in Figure 1-Figure 3, it is fixed with eccentric part 8 in transmission shaft 7, is linked in the eccentric part 8 upper and lower with stick 9 and preceding
One end of stick 10 is used afterwards.
In the one end for having the pin 13 that can be rotated with the other end intercalation of stick 9 up and down.The other end of pin 13 is fixed by intercalation
In the pin hole 14ab of the block piece 14a for the cardinal extremity for being formed in main feeding station 14.Moreover, the pin hole 14ac intercalations in block piece 14a have pin
22, pin 22 by its both ends from the both ends of pin hole 14ac it is outstanding in a manner of, be fixed on pin hole 14ac.It is formed in the first differential feed platform
Double forks piece 15a of two trouble shapes of 15 cardinal extremity can slidably be entrenched in one end of pin 22.Moreover, be formed in second it is differential into
The other end of pin 22 can be slidably entrenched in double forks piece 16a of two trouble shapes of the cardinal extremity of platform 16.
Main feeding station 14, the first differential feed platform 15 and the second differential feed platform 16 exist along the extending direction of machine barrel 1
It is configured in left-right situs in machine barrel 1.Main feeding station 14 is clipped, the first differential feed platform 15 is configured in left side respectively, on right side
Configured with the second differential feed platform 16.Distinguish in main feeding station 14, the first differential feed platform 15 and the second differential feed platform 16
It is formed with cross-drilled hole 14b, 15b, 16b.Cross-drilled hole 14b, 15b, 16b are run through and by intercalation, cross-drilled hole 14b, 15b, 16b は by square die 17
It is set as that front and back sliding can be carried out relative to square die 17.18 intercalation of pivot pin can be carried out around axis in square die 17
Rotation.Pivot pin 18 is horizontal relative to the extending direction of machine barrel 1 and orthogonally configures, and the both ends of pivot pin 18 are erected at machine barrel
1。
In the front end of main feeding station 14, main feeding tooth 19, which is installed to be, can carry out upper and lower position adjusting.It is differential first
The front end of feeding station 15, the first differential feed tooth 20, which is installed to be, can carry out upper and lower position adjusting.First differential feed tooth 20
Relative to main feeding tooth 19, it is located on front side of the face on cloth direction of feed F.In the front end of the second differential feed platform 16, second is poor
Dynamic feeding tooth 21, which is installed to be, can carry out upper and lower position adjusting.Second differential feed tooth 21 is located at relative to main feeding tooth 19
On front side of face on cloth direction of feed F, and relative to the first differential feed tooth 20, in the side intersected with cloth direction of feed F
To adjacent.It is poor with first relative to cloth direction of feed F for the first differential feed tooth 20 and the second differential feed tooth 21
Dynamic feeding tooth 20 mutually controls configuration positioned at the mode in the left side of the second differential feed tooth 21.It is differential by distinctly adjusting first
The installation site for feeding the upper and lower directions of tooth 20 can distinctly adjust the amount of feeding of the cloth of the cloth relative to left and right.
It is linked with the linking part of crank 25 in the front and back other end with stick 10, the base portion of crank 25 is fixed on couple axle
26.The extended couple axle 26 of left and right horizontal by 2 pivot suspension reciprocating rotary of bottom plate freely, with the rotation of transmission shaft 7 interlock and around
Axis shakes.The base portion for adjusting crank 27 is further fixed in addition to crank 25 in couple axle 26.Adjusting crank 27 has and base portion phase
Than the wrist 27a of extended arc-shaped rearward.It is inserted in wrist 27a and is embedded with sliding part 28, sliding part 28 is set as can be in wrist
It is slided on portion 27a.It is linked with one end of connector 29, connector 30 respectively at the left and right end of sliding part 28.Connector 29 it is another
One end is linked to the linking part of crank 31 by screw 33 and lantern ring 34.The base portion of crank 31 is fixed on axis of rocking 32
Halfway.The extended axis of rocking 32 of left and right horizontal is supported by the pivot as reciprocating rotary freely by bottom plate 2, and the shake with couple axle 26 interlocks
And it is shaken around axis.It is fixed with the base portion of crank 35 in the midway of axis of rocking 32.The linking part of crank 35 passes through screw 37 and lantern ring
38 and be linked to one end of connector 36.The other end of connector 36 links main feeding station 14 by screw 39 and lantern ring 40
Halfway.
It is fixed with the first differential base portion for adjusting crank 45 in the left end of axis of rocking 32.First differential adjusting crank 45 has
From the wrist 45a of base portion extended arc-shaped upward.Wrist 45a has the regulating tank 45b of the "U" font of right openings.?
Regulating tank 45b, which is inserted, is embedded with square die 46, and square die 46 is linked to one end of connector 47 by pin 50.Square die 46 is set
For that can be slided in regulating tank 45b.It is differential that the other end of connector 47 by screw 48 with lantern ring 49 is linked to first
The midway of feeding station 15.
It is fixed with the second differential base portion for adjusting crank 55 in the right end of axis of rocking 32.Second differential adjusting crank 55 has
From the wrist 55a of base portion extended arc-shaped upward.Wrist 55a has the regulating tank 55b of the "U" font of left side opening.?
Regulating tank 55b, which is inserted, is embedded with square die 56, and square die 56 is linked to one end of connector 57 by pin 60.Square die 56 is set
For that can be slided in regulating tank 55b.It is differential that the other end of connector 57 by screw 58 with lantern ring 59 is linked to second
The midway of feeding station 16.
Main feeding tooth 19, the first differential feed tooth 20 and the second differential feed tooth 21 are with the master using feed mechanism 6
The driving of feeding station 14, the first differential feed platform 15 and the second differential feed platform 16 is (based on what is moved up and down and move forward and backward
Elliptic motion in vertical plane synthesize, along cloth direction of feed F) and go out from the feeding tooth slot of needle plate (not shown)
Not yet, it is positioned in when main feeding tooth 19, the first differential feed tooth 20 and the second differential feed tooth 21 are protruded from needle plate upper surface
Cloth on machine barrel 1 is conveyed along cloth direction of feed F.
Illustrate the driving of main feeding station 14, the first differential feed platform 15 and the second differential feed platform 16.Work as transmission
When the rotation of axis 7 and main shaft is interlocked and is pivoted, main feeding station 14, the first differential feed platform 15 and the second differential feed platform
16 by up and down with stick 9, pin 13 and pin 22 by with pivot pin 18 be fulcrum shake.It is differential to be assemblied in main feeding station 14, first
The main feeding tooth 19 of the front end of feeding station 15 and the second differential feed platform 16, the first differential feed tooth 20 and second it is differential into
It moves up and down to tooth 21.Moreover, when the rotation of transmission shaft 7 and main shaft is interlocked and is pivoted, before couple axle 26 passes through
It is shaken afterwards around axis with stick 10 and crank 25.Axis around couple axle 26 by adjusting crank 27 is by the shake of couple axle 26 shakes
When dynamic, the shake for adjusting crank 27 is transferred to axis of rocking 32 by sliding part 28, connector 29 and crank 31, axis of rocking 32
It is shaken around axis.Pass through the shake of axis of rocking 32 so that main feeding station 14 carries out fore-aft motion by crank 35 and connector 36.
Moreover, by the shake of axis of rocking 32 so that the first differential crank 45 that adjusts shakes around the axis of axis of rocking 32, thus first is differential
The shake for adjusting crank 45 is transferred to the first differential feed platform 15 by square die 46, pin 50 and connector 47, and first is poor
Dynamic feeding station 15 carries out fore-aft motion.In addition, making the second differential adjusting crank 55 around axis of rocking by the shake of axis of rocking 32
32 axis shakes, and thus the second differential shake for adjusting crank 55 is transferred to by square die 56, pin 60 and connector 57
Second differential feed platform 16, the second differential feed platform 16 carry out fore-aft motion.That is, interlock when the rotation of axis of rocking 32 and main shaft and
When shake, be assembled in main feeding station 14, the first differential feed platform 15 and the second differential feed platform 16 front end main feeding
Tooth 19, the first differential feed tooth 20 and the second differential feed tooth 21 are moved forward and backward.
Next, the first differential feed amount regulating mechanism 61 that explanation more adjusts the first differential feed quantitative change.First is poor
Dynamic amount of feeding regulating mechanism 61 has the first differential adjusting rod 62 and the first differential scale plate 63 outside bottom plate 2.First is poor
Left side of 62 and first differential scale plate 63 of the dynamic adjusting rod configuration in 2 lower part of bottom plate.The first differential scale plate 63 and
Thereafter ora terminalis is labeled with scale 63a corresponding with the size of the first differential feed amount.First differential adjusting rod 62 is with its front end court
To the scale 63a of the first differential scale plate 63, from cardinal extremity, rearward extended mode configures.The base of first differential adjusting rod 62
End is fixed on one end of crank 64.The other end of crank 64 is in 2 interior bonds of bottom plate in one end of bar 65.It is inserted in the base portion of bar 65
It is connected with axis of rocking 32.Bar 65 relative to axis of rocking 32 around axis of rocking 32 axis reciprocating rotary freely.The other end of bar 65 is linked with
One end of connector 66, the other end of connector 66 are linked to one end of connector 47.
Herein, the change of the first differential feed amount adjusting is illustrated.When make the first differential adjusting rod 62 along first
Differential scale plate 63 in above-below direction reciprocating rotary operate when, can be made by crank 64 bar 65 around axis of rocking 32 axis shake.
As a result, by connector 66 and connector 47 by the position of the square die 46 in the first differential regulating tank 45b for adjusting crank 45
Set change.Moreover, by changing axis of rocking 32 at a distance from square die 46, square die 46 and the company being concatenated by pin 50 will be passed through
The shaking quantity of fitting 47 changes.With make 62 upward direction reciprocating rotary of the first differential adjusting rod operate so that square die 46 to
The lower end Slideslip of regulating tank 45b, the shaking quantity of connector 47 become smaller, and the first differential feed amount becomes smaller.Moreover, with making first
In downward direction reciprocating rotary operates differential adjusting rod 62, and to the upper end Slideslip of regulating tank 45b, connector 47 shakes square die 46
Momentum becomes larger, and the first differential feed amount becomes larger.According to the above, it is operated by the reciprocating rotary of the first differential adjusting rod 62,
More by the first differential feed quantitative change, however on the main amount of feeding, the second differential feed amount without influence.
Next, the second differential feed amount regulating mechanism 71 for adjusting the second differential feed amount to change illustrates.The
Two differential feed amount regulating mechanisms 71 have the second differential adjusting rod 72 and the second differential scale plate 73 outside bottom plate 2.The
Two differential adjusting rods 72 and the second differential scale plate 73 are configured in the right side of 2 lower part of bottom plate.In the second differential scale plate 73
And ora terminalis is labeled with scale 73a corresponding with the size of the second differential feed amount behind.Second differential adjusting rod 72 is with before it
End towards the second differential scale plate 73 scale 73a and from cardinal extremity, rearward extended mode configures.Second differential adjusting rod 72
Cardinal extremity be fixed on one end of crank 74.The other end of crank 74 is in 2 interior bonds of bottom plate in one end of bar 75.In the base of bar 75
Portion's insert has axis of rocking 32.Bar 75 relative to axis of rocking 32 around axis of rocking 32 axis reciprocating rotary freely.The other end of bar 75 connects
One end of connector 76 is had, the other end of connector 76 is linked to one end of connector 57.
Herein, the change of the second differential feed amount adjusting is illustrated.When make the second differential adjusting rod 72 along second
Differential scale plate 73 in above-below direction reciprocating rotary operate when, can be made by crank 74 bar 75 around axis of rocking 32 axis shake.
As a result, by connector 76 and connector 57 by the position of the square die 56 in the second differential regulating tank 55b for adjusting crank 55
Set change.Moreover, by changing axis of rocking 32 at a distance from square die 56, square die 56 and the company being concatenated by pin 60 will be passed through
The shaking quantity of fitting 57 changes.With make 72 upward direction reciprocating rotary of the second differential adjusting rod operate so that square die 56 to
The lower end Slideslip of regulating tank 55b, the shaking quantity of connector 57 become smaller, and the second differential feed amount becomes smaller.Moreover, with making second
In downward direction reciprocating rotary operates differential adjusting rod 72, and to the upper end Slideslip of regulating tank 55b, connector 57 shakes square die 56
Momentum becomes larger, and the second differential feed amount becomes larger.According to the above, it is operated by the reciprocating rotary of the second differential adjusting rod 72,
More by the second differential feed quantitative change, however on the main amount of feeding, the first differential feed amount without influence.
According to above structure, the case where cloth suture is opened in the different left and right two of thickness, material, curve part is sewed
Situation etc. can be adjusted distinctly by operating 62 or the second differential adjusting rod of the first differential adjusting rod, 72 reciprocating rotary out of the ordinary
First differential feed amount, the second differential feed amount thus allow for the sewing of desired sewing result.Moreover, because the
One differential adjusting rod 62, the second differential adjusting rod 72 are arranged in the outside of bottom plate 2, therefore it is poor very easily to carry out first
The adjusting of the dynamic amount of feeding, the second differential feed amount.
Next, the main amount of feeding, the first differential feed amount and the second differential feed amount are changed adjusting by explanation together
Main differential feed amount regulating mechanism 81.Main differential feed amount regulating mechanism 81 have outside bottom plate 2 main differential adjusting rod 82 with
And lead differential scale plate 83.Main differential adjusting rod 82 and main differential scale plate 83 are configured in the left side of 2 lower part of bottom plate.Main difference
Dynamic scale plate 83 configures the position in scale plate more differential than first 63 rearward.In the differential scale plate 83 of master and ora terminalis mark behind
It is marked with scale 83a corresponding with the size of the main amount of feeding, the first differential feed amount and the second differential feed amount.Main differential adjusting
Bar 82 by its front end towards the scale 83a of main differential scale plate 83 and from cardinal extremity it is rearward extended in a manner of configure.Main differential tune
The cardinal extremity of pole 82 is fixed on one end of crank 84.The other end of crank 84 is in 2 interior bonds of bottom plate in one end of bar 85.In bar
85 base portion insert has reciprocating rotary shaft 86, bar 85 to be fixed on reciprocating rotary shaft 86.Reciprocating rotary shaft 86 extends in left and right horizontal,
Reciprocating rotary is supported by the pivot as freely by bottom plate 2.It is linked with the other end of connector 30 in the other end of bar 85.
Herein, the adjusting of change together of the main amount of feeding, the first differential feed amount and the second differential feed amount is said
It is bright.When make main differential adjusting rod 82 along the differential scale plate of master 83 reciprocating rotary operates along the vertical direction when, crank can be passed through
84 make bar 85 and reciprocating rotary shaft 86 be shaken around the axis of reciprocating rotary shaft 86.Crank will adjusted by connector 30 as a result,
It changes the position of the sliding part 28 of 27 wrist 27a.Moreover, by changing couple axle 26 at a distance from sliding part 28, will lead to
The shaking quantity of axis of rocking 32 crossed connector 29 and crank 31 and be concatenated changes.With it, by crank 35 by connector 36
Shaking quantity change, the shaking quantity of connector 47 is changed by the first differential crank 45 and square die 46 of adjusting, passes through second
The differential crank 55 that adjusts changes the shaking quantity of connector 57 with square die 56.It is past with making to lead differential adjusting rod 82 upward direction
Multiple rotation process, to the front end Slideslip of wrist 27a, the shaking quantity of axis of rocking 32 becomes smaller sliding part 28, each connector 36,47,
57 shaking quantity also becomes smaller, and the main amount of feeding, the first differential feed amount and the second differential feed amount become smaller together.Moreover, with
Make to lead differential adjusting rod 82 that in downward direction reciprocating rotary operates, rear end Slideslip from sliding part 28 to wrist 27a, axis of rocking 32
Shaking quantity becomes larger, and the shaking quantity of each connector 36,47,57 also becomes larger, and the main amount of feeding, the first differential feed amount and second are differential
The amount of feeding becomes larger together.According to the above, it is operated by the reciprocating rotary of the differential adjusting rod of master 82, by main feeding station 14, the
The amount of one differential feed platform 15 and the second differential feed platform 16 acted in the longitudinal direction changes together.Pass through above knot
Structure will can easily be led by the way that differential 82 reciprocating rotary of the adjusting rod operation of master in the outside of the bottom plate 2 of sewing machine will be arranged
The amount of feeding, the first differential feed amount and the second differential feed amount change adjusting together.
The feed mechanism of the present invention is not limited to first embodiment described above, can also be sent in as shown in Figure 4
Go out implementation (hereinafter referred to as second embodiment) in arm type sewing machine.It is only pair real with first about second embodiment shown in Fig. 4
It applies the different structure of example to illustrate, the symbol being identical with the first embodiment is marked to the structure being identical with the first embodiment.Such as
Shown in Fig. 4, the arm-outtake type sewing machine involved by second embodiment has machine barrel 101, bottom plate 102 and arm 103.Machine barrel 101
Extend from the lower part of bottom plate 102 along cloth direction of feed F.Bottom plate 102 is erect from the cardinal extremity of machine barrel 101 to be arranged.Arm 103 is from bottom plate
102 end extends along the direction intersected with cloth direction of feed, and the bent halfway of arm 103, front end is located at the upper of machine barrel 1
Side.It will be supported by the pivot as to rotate freely along the main shaft 107 of horizontal extension in arm 103.It is fixed with eccentric part 108 in main shaft 107,
The eccentric part 108 is linked with one end for using stick 109 and front and back stick 110 up and down of feed mechanism 106.Up and down with stick 109
The other end is linked to the block piece 14a for the cardinal extremity for being formed in main feeding station 14 by pin 13.In the front and back other end with stick 110
It is linked with the linking part of crank 25.According to the above, as described in second embodiment, to being different from the first embodiment type
Arm-outtake type sewing machine can also implement the present invention feed mechanism, second embodiment can obtain same as first embodiment
Effect, effect.
The present invention is not limited to embodiments illustrated above, those skilled in the art can be in the master for not departing from the present invention
Various changes are added to the embodiment in the range of purport and are implemented, the present invention also includes these change modes.
Claims (2)
1. a kind of feed mechanism of arm-outtake type sewing machine will be positioned in the cloth on the machine barrel by machine barrel, arm, feeding tooth
Material is conveyed along cloth direction of feed, and the machine barrel extends from the lower part for the bottom plate for erectting setting to cloth direction of feed, the arm
Extend from the end of the bottom plate to the direction intersected with cloth direction of feed, the feeding tooth is with main shaft gearing and along cloth
Expect to carry out elliptic motion in the vertical plane of direction of feed,
The feed mechanism of the arm-outtake type sewing machine is characterized in that having：
Main feeding station, the first differential feed platform and the second differential feed platform, they along the extending direction of the machine barrel and
Left-right situs configures in machine barrel；
Main feeding tooth is mounted on the front end of the main feeding station；
First differential feed tooth relative to the main feeding tooth on front side of the face in cloth direction of feed, and is mounted
In the front end of the first differential feed platform；
Second differential feed tooth, relative to the main feeding tooth on front side of the face in cloth direction of feed, and relative to
The first differential feed tooth is adjacent on the direction intersected with cloth direction of feed, also, the second differential feed tooth is pacified
Mounted in the front end of the second differential feed platform；
First differential feed amount regulating mechanism, to the first differential feed tooth described in main shaft every revolution and described first differential
The amount that feeding station acts in the longitudinal direction i.e. the first differential feed amount changes adjusting；
Second differential feed amount regulating mechanism, to the second differential feed tooth described in main shaft every revolution and described second differential
The amount that feeding station acts in the longitudinal direction i.e. the second differential feed amount changes adjusting.
2. the feed mechanism of arm-outtake type sewing machine as described in claim 1, which is characterized in that
The main feeding tooth and the first differential feed tooth and the second differential feed tooth with the main feeding tooth position in
The front and back configuration each other of the mode at the rear of the first differential feed tooth and the second differential feed tooth.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-153782 | 2013-07-24 | ||
| JP2013153782A JP6210774B2 (en) | 2013-07-24 | 2013-07-24 | Feeding mechanism of feeding arm type sewing machine |
| CN201410255683.5A CN104342853B (en) | 2013-07-24 | 2014-06-10 | The feed mechanism of arm-outtake type sewing machine |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410255683.5A Division CN104342853B (en) | 2013-07-24 | 2014-06-10 | The feed mechanism of arm-outtake type sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108754883A true CN108754883A (en) | 2018-11-06 |
| CN108754883B CN108754883B (en) | 2021-05-25 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810932995.3A Active CN108754883B (en) | 2013-07-24 | 2014-06-10 | Feed mechanism of delivery arm type sewing machine |
| CN201410255683.5A Active CN104342853B (en) | 2013-07-24 | 2014-06-10 | The feed mechanism of arm-outtake type sewing machine |
| CN201420306961.0U Withdrawn - After Issue CN203923613U (en) | 2013-07-24 | 2014-06-10 | The feed mechanism of arm-outtake type sewing machine |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410255683.5A Active CN104342853B (en) | 2013-07-24 | 2014-06-10 | The feed mechanism of arm-outtake type sewing machine |
| CN201420306961.0U Withdrawn - After Issue CN203923613U (en) | 2013-07-24 | 2014-06-10 | The feed mechanism of arm-outtake type sewing machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6210774B2 (en) |
| CN (3) | CN108754883B (en) |
| TW (2) | TWI722303B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111793907A (en) * | 2019-04-09 | 2020-10-20 | 精机机械厂股份有限公司 | Three-rail cloth feeding device of sewing machine |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6210774B2 (en) * | 2013-07-24 | 2017-10-11 | ペガサスミシン製造株式会社 | Feeding mechanism of feeding arm type sewing machine |
| JP6334989B2 (en) * | 2014-03-28 | 2018-05-30 | ペガサスミシン製造株式会社 | Delivery arm type sewing machine |
| JP6364214B2 (en) * | 2014-03-28 | 2018-07-25 | ペガサスミシン製造株式会社 | Delivery arm type sewing machine |
| JP6335045B2 (en) * | 2014-06-25 | 2018-05-30 | ペガサスミシン製造株式会社 | Delivery arm type sewing machine |
| TWI585262B (en) * | 2015-12-25 | 2017-06-01 | Ming Jang Sewing Machine Co Ltd | Curved arm type sewing machine structure |
| TWI598485B (en) * | 2016-04-22 | 2017-09-11 | Ming Jang Sewing Machine Co Ltd | Sewing machine feed dog feed device |
| CH712437A1 (en) | 2016-05-06 | 2017-11-15 | Bernina Int Ag | Sewing machine comprising a device for manually changing a transporter. |
| JP6998692B2 (en) * | 2017-07-19 | 2022-02-10 | Juki株式会社 | sewing machine |
| JP7388809B2 (en) * | 2017-09-25 | 2023-11-29 | Juki株式会社 | Feed-out arm type double chainstitch sewing machine |
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|---|---|---|---|---|
| JPS5545428A (en) * | 1978-09-26 | 1980-03-31 | Brother Ind Ltd | Feed gear of sewing machine |
| CN201473719U (en) * | 2009-08-31 | 2010-05-19 | 浙江青本缝纫机有限公司 | Adjustor of differential mechanism of straight tubular flat seaming machine |
| JP6210774B2 (en) * | 2013-07-24 | 2017-10-11 | ペガサスミシン製造株式会社 | Feeding mechanism of feeding arm type sewing machine |
-
2013
- 2013-07-24 JP JP2013153782A patent/JP6210774B2/en active Active
-
2014
- 2014-06-10 CN CN201810932995.3A patent/CN108754883B/en active Active
- 2014-06-10 CN CN201410255683.5A patent/CN104342853B/en active Active
- 2014-06-10 CN CN201420306961.0U patent/CN203923613U/en not_active Withdrawn - After Issue
- 2014-06-17 TW TW107124984A patent/TWI722303B/en active
- 2014-06-17 TW TW103120792A patent/TWI642825B/en active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4140070A (en) * | 1976-10-13 | 1979-02-20 | Rockwell-Rimoldi, S.P.A. | Control for a differential feed regulating device in sewing machines |
| JPS6244954B2 (en) * | 1981-02-17 | 1987-09-24 | Aisin Seiki | |
| JPS6030234B2 (en) * | 1981-12-21 | 1985-07-15 | アイシン精機株式会社 | Sewing machine differential feed device |
| JPH02140187A (en) * | 1988-11-19 | 1990-05-29 | Brother Ind Ltd | Feed mechanism for sewing machine |
| CN1978724A (en) * | 2005-11-29 | 2007-06-13 | 株式会社森本制作所 | Feeding device for sewing machine |
| CN101649529A (en) * | 2009-08-31 | 2010-02-17 | 浙江青本缝纫机有限公司 | Adjusting device for differential mechanism of straight flat seaming machine |
| JP2012179091A (en) * | 2011-02-28 | 2012-09-20 | Morimoto Mfg Co Ltd | Feed arm type sewing machine |
| JP3178831U (en) * | 2012-07-20 | 2012-10-04 | 石淵 徐 | Sewing machine feed mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111793907A (en) * | 2019-04-09 | 2020-10-20 | 精机机械厂股份有限公司 | Three-rail cloth feeding device of sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108754883B (en) | 2021-05-25 |
| CN203923613U (en) | 2014-11-05 |
| CN104342853B (en) | 2018-11-16 |
| JP6210774B2 (en) | 2017-10-11 |
| TWI722303B (en) | 2021-03-21 |
| TW201508122A (en) | 2015-03-01 |
| TWI642825B (en) | 2018-12-01 |
| TW201840924A (en) | 2018-11-16 |
| CN104342853A (en) | 2015-02-11 |
| JP2015023911A (en) | 2015-02-05 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20210426 Address after: Japan's Osaka City of Osaka Applicant after: Pegasus Sewing Machine Mfg. Co.,Ltd. Applicant after: PEGASUS(TIANJIN) SEWING MACHINE Co.,Ltd. Address before: Osaka Prefecture, Japan Applicant before: Pegasus Sewing Machine Mfg. Co.,Ltd. |
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Address after: Osaka City, Osaka of Japan Patentee after: Pegasus Corp. Patentee after: PEGASUS(TIANJIN) SEWING MACHINE Co.,Ltd. Address before: Japan's Osaka City of Osaka Patentee before: Pegasus Sewing Machine Mfg. Co.,Ltd. Patentee before: PEGASUS(TIANJIN) SEWING MACHINE Co.,Ltd. |
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