CN209323126U - A kind of sewing machine and its needle gage self-checking device - Google Patents
A kind of sewing machine and its needle gage self-checking device Download PDFInfo
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- CN209323126U CN209323126U CN201821858063.0U CN201821858063U CN209323126U CN 209323126 U CN209323126 U CN 209323126U CN 201821858063 U CN201821858063 U CN 201821858063U CN 209323126 U CN209323126 U CN 209323126U
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- China
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- connecting rod
- panel seat
- needle gage
- hanging plate
- sewing machine
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Abstract
The utility model relates to sewing device technical fields, disclose a kind of sewing machine and its needle gage self-checking device, including feed spool (15), it swings panel seat (7), it adjusts connecting rod (13), feed spool (15) is connect with the one end for swinging panel seat (7), the lower end for adjusting connecting rod (13) is connect by link block (6) with the other end for swinging panel seat (7), it further include motor (1), the motor shaft (2) of motor (1) is equipped with the cam (3) connecting with motor shaft (2), the upper end for adjusting connecting rod (13) is equipped with through the roller bearing (12) for adjusting connecting rod (13), roller (14) are arranged on roller bearing (12), roller (14) offsets with cam (3), connecting rod (13) are adjusted to be equipped with through the gag lever post (4) for adjusting connecting rod (13), gag lever post (4 ) be located at roller (14) and swing between panel seat (7).It is accurate that the utility model needle gage is adjusted, and backstitches back that position when setting is accurate, and needle gage repeatability is good.
Description
Technical field
The utility model relates to sewing device technical field more particularly to a kind of sewing machine and its needle gage automatic adjustment dresses
It sets.
Background technique
The needle gage of flat seam machine, which is adjusted, under current state mostly uses greatly mechanically, and realizing the size variation of needle gage and backstitching needs
Otherwise with mechanism realize, but or because mechanical, or because artificial origin so as to cause needle gage inaccuracy.It backstitches back
When setting manually or electromagnet push, inaccurate so as to cause position, needle gage repeatability is poor.
As Chinese utility model patent application (application number: 201120334273.1) discloses presser feet dress in a kind of sewing machine
It sets, including middle presser feet and middle presser feet lifting mechanism, under the driving of machine spindle, medium pressure foot is synchronously upper and lower with shank
Movement, the machine spindle drive a presser foot component to move up and down by a link mechanism, and the presser foot component includes described
Middle presser feet, medium pressure foot lifting mechanism includes a stepper motor, the stepper motor drive shaft that is connected with stepper motor, the step
It is fixedly connected after into output end one driving shaft pilot sleeve of stretching of motor driving shaft with a swing arm, the lower part of the swing arm is equipped with an arc
Connected in star, first axial screw one end in its end are fixed with rolling bearing, the axis of rolling after connecting with the link mechanism
It holds and is slidably matched with the arc groove, the other end of first axial screw is fixed on the presser foot component, the lift pressure
Foot is individually controlled by stepper motor, but during sewing, the lifting of presser foot lifter needs the mobile phase with feed dog
Cooperation, and the mobile formation of feed dog is difficult to if control is not in place and presser foot lifter stablizes cooperation operating, it will it influences to sew
Quality.
Summary of the invention
The utility model adjusts for prior art mid-cut and sets low precision using mechanically, needle gage is adjusted and backstitched back
Disadvantage provides a kind of needle gage and adjusts using electrodynamic type, and needle gage, which is adjusted and backstitched back, sets a kind of sewing machine and its needle with high accuracy
Away from self-checking device.
In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals:
The needle gage self-checking device of sewing machine, including feed spool, swing panel seat, adjusting connecting rod, feed spool and oscillating deck
One end connection of seat, the lower end for adjusting connecting rod are connect by link block with the other end for swinging panel seat, further include motor, motor
Motor shaft is equipped with cam with motor axis connection, and the upper end for adjusting connecting rod is equipped with through the roller bearing for adjusting connecting rod, on roller bearing
It is arranged with roller, roller offsets with cam, adjusts connecting rod and is equipped with through the gag lever post for adjusting connecting rod, gag lever post is located at roller
And swing between panel seat, cam rotation, which pushes, adjusts connecting rod swing.Motor drives cam rotation by motor shaft, and cam pushes rolling
Axis swing, adjust connecting rod also swing therewith, adjust connecting rod by swing panel seat drive feed spool swing, thus realize metering needle away from
With the function of being inverted back seam, the needle gage that this technology changes tradition machinery formula is adjusted, and is driven by the rotation of computer control motor convex
Wheel movement is completed the adjusting of needle gage and is backstitched, and keeps the positioning of its needle gage more accurate and reliable, is completed positive seam by motor rotation and is fallen
It is backstitched when seam conversion instead of electromagnet, to reduce noise.
Preferably, adjusting the cross bar that connecting rod includes vertical bar and connect with vertical bar lower end, one end of cross bar and vertical bar connect
It connects, roller bearing is threaded through the upper end of vertical bar, and gag lever post is threaded through on cross bar, and the other end of cross bar is equipped with the connection connecting with cross bar
Section, linkage section extend downwardly setting, are connected by pin shaft between link block and swing panel seat between linkage section and link block.
The vertical bar, cross bar, linkage section for adjusting connecting rod form " Z " type structure, and one end of gag lever post is connect with casing, the other end of gag lever post
It is connect with cross bar, cross bar is swung around gag lever post, improves the precision and stability for adjusting connecting rod swing.
Preferably, the end for swinging the panel seat other end is equipped with upper spring hanging plate, the lower end of upper spring hanging plate passes through spiral shell
Nail is fixedly connected with panel seat is swung, and the upper end of upper spring hanging plate is equipped with the spring that upper end is connect with upper spring hanging plate, and upper spring is hung
The upper end of plate is equipped with the connecting hole being adapted to spring, further includes the lower spring hanging plate connecting with lower spring end, lower spring hanging plate
One end is equipped with the link slot being adapted to spring, and the lower end of spring hooks in link slot.Upper spring hanging plate, spring, lower spring hanging plate
The power for swinging the drop-down of panel seat inner end one is given, so that outer inner end is positive downward gap-like state, facilitates the tune of needle gage
Returning for saving and backstitch is set,
Preferably, further including two supporting studs connecting with casing, supporting studs are arranged in parallel, lower spring hanging plate
The other end and supporting studs are connected and are located between supporting studs.Supporting studs are fixed on casing, are provided for lower spring hanging plate
Support force guarantees the stability of lower spring hanging plate, works normally spring, improve operating accuracy when running.
A kind of sewing machine, the needle gage self-checking device including above-described sewing machine.
The utility model is due to using above technical scheme, with significant technical effect:
1. the needle gage for changing tradition machinery formula is adjusted, needle gage is completed by the rotation band moving cam movement of computer control motor
Adjusting and backstitch, make its needle gage positioning it is more accurate and reliable.
2. completing positive seam by motor rotation to backstitch with when backstitching conversion instead of electromagnet, to reduce noise.
It completes the adjusting of needle gage 3. being moved by the rotation of computer control motor with moving cam and backstitches, working method becomes
More, example just stitches big needle distance, and small needle gage, this function also achievable close joint are used when backstitching.
Detailed description of the invention
Fig. 1 is the schematic diagram of front three-dimensional structure of the utility model.
Fig. 2 is the partial enlarged view in the portion M in Fig. 1.
Fig. 3 is the utility model configuration schematic diagram.
Fig. 4 is the back side dimensional structure diagram of the utility model of Fig. 1.
Fig. 5 is the partial enlarged view in the portion N in Fig. 4.
The toponym that each number designation is referred in attached drawing is as follows: 1-motor, 2-motor shafts, 3-cams, 4-limits
Position bar, 5-fixed anchor ears, 6-link blocks, 7-swing panel seats, 8-lower spring hanging plates, 9-supporting studs, 10-springs,
11-upper spring hanging plates, 12-roller bearings, 13-adjust connecting rod, 14-rollers, 15-feed spools, 81-link slots, 111-connections
Hole, 131-vertical bars, 132-cross bars, 133-linkage sections.
Specific embodiment
The utility model is described in further detail with embodiment with reference to the accompanying drawing.
Embodiment 1
The needle gage self-checking device of sewing machine, as shown in Figures 1 to 5, including feed spool 15, swing panel seat 7, the company of adjusting
Bar 13, feed spool 15 are connect with the one end for swinging panel seat 7, and the lower end for adjusting connecting rod 13 passes through link block 6 and swings the another of panel seat 7
One end connection further includes motor 1, and the motor shaft 2 of motor 1 is equipped with the cam 3 connecting with motor shaft 2, adjusts the upper of connecting rod 13
End is equipped with the roller bearing 12 through adjusting connecting rod 13, is arranged with roller 14 on roller bearing 12, and roller 14 offsets with cam 3, the company of adjusting
Bar 13 is equipped with through the gag lever post 4 for adjusting connecting rod 13, and gag lever post 4 is located at roller 14 and swings between panel seat 7,3 turns of cam
Dynamic push adjusts the swing of connecting rod 13.Motor 1 drives cam 3 to rotate by motor shaft 2, and cam 3 pushes roller bearing 12 to swing, the company of adjusting
Bar 13 is also swung therewith, adjust connecting rod 13 by swing panel seat 7 drive feed spool 15 swing, thus realize metering needle away from and be inverted
The function of seam is returned, the needle gage that this technology changes tradition machinery formula is adjusted, and is transported by the rotation band moving cam 3 of computer control motor 1
It moves the adjusting for completing needle gage and backstitches, position its needle gage more accurate and reliable, complete just seam and backstitch to turn by the rotation of motor 1
It is backstitched when changing instead of electromagnet, to reduce noise.
Adjusting connecting rod 13 includes vertical bar 131 and the cross bar 132 that connect with 131 lower end of vertical bar, one end of cross bar 132 with erect
Bar 131 connects, and roller bearing 12 is threaded through the upper end of vertical bar 131, and gag lever post 4 is threaded through on cross bar 132, and the other end of cross bar 132 is set
There is the linkage section 133 connecting with cross bar 132, linkage section 133 extends downwardly setting, between linkage section 133 and link block 6 and connects
It is connected by pin shaft between block 6 and swing panel seat 7.The vertical bar 131, cross bar 132, linkage section 133 for adjusting connecting rod 13 form " Z "
One end of type structure, gag lever post 4 is connect with casing, and the other end of gag lever post 4 is connect with cross bar 132, and cross bar 132 is around gag lever post
4 swing, and improve and adjust the precision and stability that connecting rod 13 is swung.
A kind of sewing machine, the needle gage self-checking device including above-described sewing machine.
Embodiment 2
The needle gage self-checking device of sewing machine on the basis of embodiment 1, it is another to swing panel seat 7 as shown in Figures 1 to 5
The end of one end is equipped with upper spring hanging plate 11, and the lower end of upper spring hanging plate 11 is fixedly connected by screw with panel seat 7 is swung, on
The upper end of spring hanging plate 11 is equipped with the spring 10 that upper end is connect with upper spring hanging plate 11, and the upper end of upper spring hanging plate 11 is equipped with and bullet
The connecting hole 111 that spring 10 is adapted to, further includes the lower spring hanging plate 8 connecting with 10 lower end of spring, one end of lower spring hanging plate 8 is equipped with
The lower end of the link slot 81 being adapted to spring 10, spring 10 hooks in link slot 81.Upper spring hanging plate 11, spring 10, lower spring
Hanging plate 8 gives the power for swinging the drop-down of 7 inner end of panel seat one, so that outer inner end is positive downward gap-like state, facilitates needle
Away from adjusting and returning of backstitching set, by motor stretch 2 go out axis center and 14 center of roller for, possess most when two o'clock distance is minimum
Big needle distance, with the rotation of cam 3, two o'clock distance becomes larger, and needle gage becomes smaller, and is needle gage 0 when swinging panel seat 7 as level, convex
Wheel 3, which continues to rotate, makes distance between two points continue to become larger, and swing 7 inner end of panel seat is made to complete to backstitch upward, when two o'clock distance is maximum,
It backstitches and possesses maximum needle gage.
A kind of sewing machine, the needle gage self-checking device including above-described sewing machine.
Embodiment 3
The needle gage self-checking device of sewing machine further includes as shown in Figures 1 to 5 two on the basis of embodiment 2
The supporting studs 9 connecting with casing, supporting studs 9 are arranged in parallel, the other end of lower spring hanging plate 8 connect with supporting studs 9 and
It is located between supporting studs 9.Supporting studs 9 are fixed on casing, provide support force for lower spring hanging plate 8, guarantee that lower spring is hung
The stability of plate 8 works normally spring 10, improves operating accuracy when running.
A kind of sewing machine, the needle gage self-checking device including above-described sewing machine.
In short, the above is only the preferred embodiment of the present invention, it is all according to present utility model application the scope of the patents institute
The equivalent changes and modifications of work should all belong to the covering scope of the utility model patent.
Claims (5)
1. the needle gage self-checking device of sewing machine, including feed spool (15), swing panel seat (7), adjusting connecting rod (13), feed spool
(15) it is connect with the one end for swinging panel seat (7), the lower end for adjusting connecting rod (13) passes through link block (6) and swings the another of panel seat (7)
One end connection, it is characterised in that: further include motor (1), the motor shaft (2) of motor (1) is convex equipped with connecting with motor shaft (2)
It takes turns (3), the upper end for adjusting connecting rod (13) is equipped with through the roller bearing (12) for adjusting connecting rod (13), and roller bearing is arranged with roller on (12)
(14), roller (14) offsets with cam (3), adjusts connecting rod (13) and is equipped with through the gag lever post (4) for adjusting connecting rod (13), limit
Position bar (4) is located at roller (14) and swings between panel seat (7), and cam (3) rotation pushes adjusting connecting rod (13) to swing.
2. the needle gage self-checking device of sewing machine according to claim 1, it is characterised in that: adjusting connecting rod (13) includes
Vertical bar (131) and the cross bar (132) connecting with vertical bar (131) lower end, one end of cross bar (132) are connect with vertical bar (131), rolling
Axis (12) is threaded through the upper end of vertical bar (131), and gag lever post (4) is threaded through on cross bar (132), and the other end of cross bar (132) is equipped with
The linkage section (133) connecting with cross bar (132), linkage section (133) extend downwardly setting, linkage section (133) and link block (6) it
Between link block (6) and swing panel seat (7) between connect by pin shaft.
3. the needle gage self-checking device of sewing machine according to claim 1, it is characterised in that: it is another to swing panel seat (7)
The end at end is equipped with upper spring hanging plate (11), and the lower end of upper spring hanging plate (11) connects by the way that screw and swing panel seat (7) are fixed
It connects, the upper end of upper spring hanging plate (11) is equipped with the spring (10) that upper end is connect with upper spring hanging plate (11), upper spring hanging plate (11)
Upper end be equipped with the connecting hole (111) that is adapted to spring (10), further include the lower spring hanging plate being connect with spring (10) lower end
(8), one end of lower spring hanging plate (8) is equipped with the link slot (81) being adapted to spring (10), and the lower end of spring (10), which hooks, to be connected
In slot (81).
4. the needle gage self-checking device of sewing machine according to claim 3, it is characterised in that: further include two and casing
The supporting studs (9) of connection, supporting studs (9) are arranged in parallel, and the other end of lower spring hanging plate (8) is connect with supporting studs (9)
And it is located between supporting studs (9).
5. a kind of sewing machine, it is characterised in that: the needle gage automatic adjustment including the described in any item sewing machines of Claims 1-4
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821858063.0U CN209323126U (en) | 2018-11-12 | 2018-11-12 | A kind of sewing machine and its needle gage self-checking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821858063.0U CN209323126U (en) | 2018-11-12 | 2018-11-12 | A kind of sewing machine and its needle gage self-checking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209323126U true CN209323126U (en) | 2019-08-30 |
Family
ID=67710045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821858063.0U Active CN209323126U (en) | 2018-11-12 | 2018-11-12 | A kind of sewing machine and its needle gage self-checking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209323126U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111118752A (en) * | 2020-02-25 | 2020-05-08 | 杰克缝纫机股份有限公司 | Sewing machine |
-
2018
- 2018-11-12 CN CN201821858063.0U patent/CN209323126U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111118752A (en) * | 2020-02-25 | 2020-05-08 | 杰克缝纫机股份有限公司 | Sewing machine |
| CN111118752B (en) * | 2020-02-25 | 2021-10-15 | 杰克缝纫机股份有限公司 | Sewing machine |
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