CN208917454U - Three needle locking-type flat seam machines - Google Patents
Three needle locking-type flat seam machines Download PDFInfo
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- CN208917454U CN208917454U CN201821047525.0U CN201821047525U CN208917454U CN 208917454 U CN208917454 U CN 208917454U CN 201821047525 U CN201821047525 U CN 201821047525U CN 208917454 U CN208917454 U CN 208917454U
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- work feed
- gear
- feed part
- needle
- rotating shuttle
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Abstract
A kind of three needle locking-type flat seam machines, including lower axle, first rotating shuttle, second rotating shuttle, third rotating shuttle, gear, cloth pushing shaft, work feed part, feed dog, presser feet, needle plate, eedle, needle folder, spudger, yarn changing device, auxiliary cover plate, three rotating shuttles are separated and are fixed on corresponding position by the needle plate, lower axle is transmitted motion on three rotating shuttles by gear drive, cloth pushing shaft is transmitted motion on feed dog by cooperating between work feed part, front and back work feed process is completed in the feed dog and presser feet cooperation, upper thread is extracted out and is drawn on eedle by spudger and yarn changing device cooperation, eedle is fixed on the needle folder, the needle entrainment motivation needle pumps, the auxiliary cover plate is mounted on platen.The beneficial effects of the utility model are: providing a kind of three needle locking-type flat seam machines, three needle lock-type chain stitch can be formed, meet the needs of the high reinforcing sewing of intensity.
Description
Technical field
The utility model designs sewing machine field, especially a kind of three needle locking-type flat seam machines.
Background technique
Existing three-needle frame is chain-type stitch, and drive mechanism is complex, is reached by multiple crank link mechanisms
The advantages of chain-type stitch of stitching output, this machine is not need replacement baseline, the disadvantage is that high-grade clothes cannot be used, because thus
Stitching does not have self-locking function, and whole sewing thread falls off as long as a line is taken off, this machine sewing can only as commonly
Decoration is used, it is impossible to be used in the high reinforcing sewing of intensity.
In order to meet the needs of the high reinforcing sewing of intensity, it is badly in need of a kind of three needle flat seam machines that can form lock-type chain stitch.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of three needle locking-type flat seam machines, can form three needle locking-types
Stitching meets the needs of the high reinforcing sewing of intensity.
In order to solve the above technical problems, the technical solution of the utility model is:
A kind of three needle locking-type flat seam machines, including lower axle, the first rotating shuttle, the second rotating shuttle, third rotating shuttle, gear, cloth pushing shaft, give
Cloth tooth, presser feet, needle plate, work feed part, eedle, needle folder, spudger, yarn changing device, auxiliary cover plate, first rotating shuttle are mounted on right shuttle
On frame, second rotating shuttle is mounted on left shuttle frame, and the third rotating shuttle is mounted on middle shuttle frame, and the needle plate is by three rotating shuttles
It is fixed on corresponding position, lower axle is transmitted motion on three rotating shuttles by gear drive, and cloth pushing shaft passes through between work feed part
Cooperation transmits motion on feed dog, and front and back work feed process, spudger and yarn changing device are completed in the feed dog and presser feet cooperation
Upper thread is extracted out and is drawn on eedle by cooperation, and eedle is fixed on the needle folder, and the needle entrainment motivation needle is done up and down reciprocatingly
Movement, the auxiliary cover plate are mounted on platen.
Preferably, first gear and second gear are mounted in the lower axle, and the first gear and third gear are mutual
Cooperation, the second gear and the 4th gear cooperate, and the third gear controls the movement of the first rotating shuttle, the 4th tooth
The movement of wheel the second rotating shuttle of control, the third gear is also with the 5th gear using transmission band connection, the 5th gear and the
Six gears cooperate, and the movement of the 6th gear control third rotating shuttle, the structure can solve the transmission between rotating shuttle
Problem guarantees that three rotating shuttle movements synchronize, to form three needle lock-type chain stitch.
Preferably, the first work feed part is mounted on cloth pushing shaft, and cloth pushing shaft swings to drive the first work feed part, and second send
Cloth member is fixed on the first work feed part and moves with the movement of the first work feed part, the second work feed part and the cooperation of third work feed part
Connection, third work feed part and the 4th work feed part are cooperatively connected, and the movement of the second work feed part is transmitted to the 4th by third work feed part
Work feed part, the 4th work feed part two sides are provided with the 5th work feed part and the 6th work feed part, and the 5th work feed part and the 6th send
Cloth member plays guiding, the movement of the 4th work feed part can be made to tend to be steady, the feed dog is mounted on the 4th work feed
On part and the 4th work feed part is followed to move, front and back work feed process is completed in the feed dog and presser feet cooperation, which can be with
Work feed speed is controlled in machine operation, and keeps work feed process steady.
Preferably, the spudger includes connecting rod and slide bar, and the two is fixed in hinge eyes, and the connecting rod is arc-shaped, and
End setting can complete multi-thread tightening there are three cable-through hole, stablize stitching, and the slide bar is hollow tube, and described
The inner wall of hinge eyes communicates, and it is small and improve service life length to can reduce frictional resistance.
Preferably, it is provided with support plate on the yarn changing device, big tension disk, small tension disk and elastic are provided in support plate
Device is provided with shaft coupling on the tightener, adjusts bolt and three line-crossing disks, and there are three the big tension disks, each big folder
Line device includes big knob and big thread tension disc, and the first spring, the small tension disk are provided between the big knob and big thread tension disc
There are three, each small tension disk includes small knob and small thread tension disc, is provided with the second bullet between the small knob and small thread tension disc
Spring is provided with conductor rod between each big tension disk and each small tension disk, the structure of yarn changing device is conducive to complete multi-thread adjusting, really
It is smoothly smooth to protect defeated line, will not break.
Preferably, the auxiliary cover plate two sides are equipped with the slideway of protrusion, are provided with visual window in plate face, visual window facilitates sight
Examine peg or spindle service condition, end is provided with card slot, and the auxiliary cover plate is fixed on platen by card slot, two slideways wherein
One of side by be provided with sliding slot, be arranged jagged on the slideway, and the notch is connected to the sliding slot, is limited by sliding slot
Determine the moving distance of auxiliary cover plate, auxiliary cover plate it is mobile it is equal with track length at a distance from, just can complete the replacement of peg or spindle, can be with
Maintain the preferable job stability of flat seam machine.
Using the above structure, the utility model has the following advantages:
Three rotating shuttles are separated and are fixed on corresponding position by the needle plate, and lower axle is transmitted motion to by gear drive
On three rotating shuttles, it is ensured that three rotating shuttle movements synchronize, and form three needle lock-type chain stitch.
The movement of cloth pushing shaft is transmitted on feed dog by work feed part, completes front and back work feed process by feed dog and presser feet,
Traditional work feed mode is changed, thus in machine operation, as long as the movement velocity for changing cloth pushing shaft is controlled accordingly
Work feed speed processed.
4th work feed part two sides are provided with the 5th work feed part and the 6th work feed part, and the 5th work feed part and the 6th send
Cloth member plays guiding, and the feed dog is mounted on the 4th work feed part and the 4th work feed part is followed to move, can make
The movement of 4th work feed part tends to be steady, to keep work feed process steady.
Upper thread is extracted out and is drawn on eedle by spudger and yarn changing device cooperation, three cable-through holes and yarn changing device of spudger
On three big tension disk, three small tension disks match, stable multi-thread tightening, adjusting, supply are provided.
The auxiliary cover plate two sides are equipped with the slideway of protrusion, are provided with sliding slot by the side of one of two slideways, lead to
The moving distance that sliding slot limits auxiliary cover plate is crossed, auxiliary cover plate moves at a distance from equal with track length, can maintain flat seam machine
Preferable job stability.
In conclusion compared with prior art, a kind of three needles locking-type flat seam machine provided by the utility model can form three
Needle lock-type chain stitch meets the needs of the high reinforcing sewing of intensity.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the side structure schematic view of the utility model；
Fig. 3 is the part-structure structural schematic diagram of the utility model；
Fig. 4 is the structural schematic diagram of the spudger 11 of the utility model；
Fig. 5 is the structural schematic diagram of the yarn changing device 12 of the utility model；
Fig. 6 is the structural schematic diagram of the auxiliary cover plate 13 of the utility model.
Specific embodiment
To keep the technical solution of the utility model clearer, below in conjunction with attached drawing by specific embodiment come to this reality
It is described in detail with novel.
The utility model embodiment: two rotating shuttles of composing and laying out behind the rotating shuttle of positive front one of sewing machine；Having can generation
What it is for this mode is one rotating shuttle of machine after can be made the rotating shuttle of front two；Furthermore it is possible that also two behind the rotating shuttle of front two
A rotating shuttle, but it is practical with only with three rotating shuttles.Such variation is all fallen within the protection scope of the utility model.
- Fig. 6 referring to Figure 1, Fig. 1 are the overall structure diagram of the utility model；Fig. 2 is the side view knot of the utility model
Structure schematic diagram；Fig. 3 is the part-structure structural schematic diagram of the utility model；Fig. 4 is the structure of the spudger 11 of the utility model
Schematic diagram；Fig. 5 is the structural schematic diagram of the yarn changing device 12 of the utility model；Fig. 6 is the knot of the auxiliary cover plate 13 of the utility model
Structure schematic diagram.
A kind of three needles locking-type flat seam machine provided by the embodiment of the utility model, the corresponding component names of each label number in figure
It is as follows: lower axle 1, the first rotating shuttle 2, the second rotating shuttle 3, third rotating shuttle 4, cloth pushing shaft 5, feed dog 6, presser feet 7, needle plate 8, eedle 9,
Needle presss from both sides 10, spudger 11, yarn changing device 12, auxiliary cover plate 13, platen 14, right shuttle frame 15, left shuttle frame 16, middle shuttle frame 17, the first tooth
Wheel 18a, second gear 18b, third gear 18c, the 5th gear 18e, the first work feed part 19a, the second work feed part 19b, third are sent
Cloth member 19c, the 4th work feed part 19d, the 5th work feed part 19e, the 6th work feed part 19f, connecting rod 20, slide bar 21, hinge eyes 22, mistake
String holes 23, support plate 24, big tension disk 25, small tension disk 26, tightener 27, shaft coupling 28, adjust bolt 29, line-crossing disk 30,
Big knob 31, big thread tension disc 32, the first spring 33, small knob 34, small thread tension disc 35, second spring 36, conductor rod 37, slideway
38, plate face 39, visual window 40, card slot 41, sliding slot 42, notch 43.
A kind of three needle locking-type flat seam machines, including lower axle 1, the first rotating shuttle 2, the second rotating shuttle 3, third rotating shuttle 4, gear, work feed
Axis 5, work feed part, feed dog 6, presser feet 7, needle plate 8, eedle 9, needle press from both sides 10, spudger 11, yarn changing device 12, auxiliary cover plate 13, described
First rotating shuttle 2 is mounted on left shuttle frame 16, and second rotating shuttle 3 is mounted on right shuttle frame 15, during the third rotating shuttle 4 is mounted on
On shuttle frame 17, three rotating shuttles are separated and are fixed on corresponding position by the needle plate 8, and lower axle 1 is passed movement by gear drive
It is delivered on three rotating shuttles, cloth pushing shaft 5 is transmitted motion on feed dog 6 by cooperating between work feed part, 6 He of feed dog
Front and back work feed process is completed in the cooperation of presser feet 7, and upper thread is extracted out and is drawn on eedle 9, machine by spudger 11 and the cooperation of yarn changing device 12
Needle 9 is fixed on the needle folder 10, and the 10 drive eedle 9 of needle folder pumps, and the auxiliary cover plate 13 is mounted on
On platen 14.
Preferably, first gear 18a and second gear 18b is mounted in the lower axle 1, the first gear 18a and
Three gear 18c cooperate, and the second gear 18b and the 4th gear cooperate, first rotation of third gear 18c control
The movement of shuttle 2, the 4th gear control the movement of the second rotating shuttle 3, and the third gear 18c is also used with the 5th gear 18e
Band connection is transmitted, the 5th gear 18e and the 6th gear cooperate, the movement of the 6th gear control third rotating shuttle 4,
The structure can solve the problem of transmission between rotating shuttle, guarantee that three rotating shuttle movements synchronize, to form three needle lock-type chain stitch.
Preferably, the first work feed part 19a is mounted on cloth pushing shaft 5, and cloth pushing shaft 5 swings to drive the first work feed part
19a, the second work feed part 19b are fixed on the first work feed part 19a and move with the movement of the first work feed part 19a, and second send
Cloth member 19b and third work feed part 19c is cooperatively connected, and third work feed part 19c and the 4th work feed part 19d are cooperatively connected, the second work feed
The movement of part 19b is transmitted to the 4th work feed part 19d by third work feed part 19c, and the two sides the 4th work feed part 19d are provided with
Five work feed part 19e and the 6th work feed part 19f, the 5th work feed part 19e and the 6th work feed part 19f play guiding, can be with
The movement of the 4th work feed part 19d is set to tend to be steady, the feed dog 6 is mounted on the 4th work feed part 19d and follows the 4th
Front and back work feed process is completed in work feed part 19d movement, the feed dog 6 and the cooperation of the presser feet 7, which can be in machine operation
When control work feed speed, and keep work feed process steady.
Preferably, the spudger 11 includes connecting rod 20 and slide bar 21, and the two is fixed in hinge eyes 22, the connecting rod 20
It is arc-shaped, and there are three cable-through holes 23 for end setting, can complete multi-thread tightening, stablize stitching, and the slide bar 21 is
Hollow tube is communicated with the inner wall of the hinge eyes 22, and it is small and improve service life length to can reduce frictional resistance.
Preferably, it is provided with support plate 24 on the yarn changing device 12, big tension disk 25, small folder is provided in support plate 24
Line device 26 and tightener 27 are provided with shaft coupling 28 on the tightener 27, adjust bolt 29 and three line-crossing disks 30, described
There are three big tension disks 25, and each big tension disk 25 includes big knob 31 and big thread tension disc 32, the big knob 31 and big clamp
The first spring 33 is provided between piece 32, there are three the small tension disks 26, and each small tension disk 26 includes small knob 34 and small
Thread tension disc 35 is provided with second spring 36 between the small knob 34 and small thread tension disc 35, each big tension disk 25 and each small
Conductor rod 37 being provided between tension disk 26, the structure of yarn changing device 12 is conducive to complete multi-thread adjusting, it is ensured that defeated line is smoothly smooth,
It will not break.
Preferably, 13 two sides of auxiliary cover plate are equipped with the slideway 38 of protrusion, are provided with visual window 40 in plate face 39, visually
Window 40 facilitates observation peg or spindle service condition, and end is provided with card slot 41, and the auxiliary cover plate 13 is fixed on platen by card slot 41
On 14, it is provided with sliding slot 42 by the side of one of two slideways 38, is arranged jagged 43 on the slideway 38, and described
Notch 43 is connected to the sliding slot 42, and the moving distance of auxiliary cover plate 13 is limited by sliding slot 42, and auxiliary cover plate 13 is mobile and sliding
The distance of 42 equal length of slot, just can complete the replacement of peg or spindle, can maintain the preferable job stability of flat seam machine.
The utility model uses and works method are as follows:
Lower axle 1 rotate driving first gear 18a and second gear 18b, first gear 18a drive third gear 18c, the
Three gear 18c drive the rotation of the first rotating shuttle 2, and second gear 18b drives the 4th gear, and the 4th gear drives the rotation of the second rotating shuttle 3,
Third gear 18c also drives the 5th gear 18e, the 5th gear 18e to drive the 6th gear, and the 6th gear drives 4 turns of third rotating shuttle
It is dynamic, guarantee that three rotating shuttle movements synchronize.
Cloth pushing shaft 5 swings that the first work feed part 19a, the second work feed part 19b is driven to be fixed on the first work feed part 19a
And moved with the movement of the first work feed part 19a, the movement of the second work feed part 19b is transmitted to by third work feed part 19c
Four work feed part 19d, the 5th work feed part 19e and the 6th work feed part 19f play guiding to the 4th work feed part 19d, described
4th work feed part 19d drives feed dog 6 to move, and front and back work feed process is completed in the feed dog 6 and the cooperation of the presser feet 7.
Upper thread is pierced by from three cable-through holes 23 on spudger 11, is tensed, is drawn on eedle 9, needle by yarn changing device 12
10 drive eedle 9 of folder pumps, and moves with rotating shuttle, and the cooperation of work feed process forms three needle lock-type chain stitch, complete on cloth
At sewing process.
When peg or spindle needs replacing, limit the moving distance of auxiliary cover plate 13 by sliding slot 42, auxiliary cover plate 13 it is mobile with
The distance of 42 equal length of sliding slot, just can complete the replacement of peg or spindle.
Above are merely preferred embodiments of the utility model, it is noted that above-mentioned preferred embodiment should not regard
For limitations of the present invention, the protection scope of the utility model should be defined by the scope defined by the claims..For
For those skilled in the art, without departing from the spirit and scope of the utility model, it can also make several
Improvements and modifications, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (6)
1. a kind of three needle locking-type flat seam machines, which is characterized in that including lower axle, the first rotating shuttle, the second rotating shuttle, third rotating shuttle, gear,
Cloth pushing shaft, work feed part, feed dog, presser feet, needle plate, eedle, needle folder, spudger, yarn changing device, auxiliary cover plate, first rotating shuttle
It is mounted on right shuttle frame, second rotating shuttle is mounted on left shuttle frame, and the third rotating shuttle is mounted on middle shuttle frame, the needle plate
Three rotating shuttles are fixed on corresponding position, lower axle is transmitted motion on three rotating shuttles by gear drive, and cloth pushing shaft passes through
Cooperation transmits motion on feed dog between work feed part, and front and back work feed process, take-up are completed in the feed dog and presser feet cooperation
Upper thread is extracted out and is drawn on eedle by device and yarn changing device cooperation, and eedle is fixed on the needle folder, and the needle carries motivation needle secretly
It pumps, the auxiliary cover plate is mounted on platen.
2. a kind of three needles locking-type flat seam machine according to claim 1, which is characterized in that first gear and second gear installation
In the lower axle, the first gear and third gear cooperate, and the second gear and the 4th gear cooperate, institute
State the movement that third gear controls the first rotating shuttle, the 4th gear controls the movement of the second rotating shuttle, the third gear also and
5th gear is cooperated using transmission band connection, the 5th gear and the 6th gear, the 6th gear control third rotation
The movement of shuttle.
3. a kind of three needles locking-type flat seam machine according to claim 1, which is characterized in that the first work feed part is mounted on cloth pushing shaft
On, cloth pushing shaft swings to drive the first work feed part, and the second work feed part is fixed on the first work feed part and with the first work feed
The movement of part and move, the second work feed part and third work feed part are cooperatively connected, and third work feed part and the 4th work feed part are cooperatively connected,
The movement of second work feed part is transmitted to the 4th work feed part by third work feed part, and the 4th work feed part two sides are provided with the 5th and send
Cloth member and the 6th work feed part, the feed dog is mounted on the 4th work feed part and the 4th work feed part is followed to move, described to send
Front and back work feed process is completed in cloth tooth and presser feet cooperation.
4. a kind of three needles locking-type flat seam machine according to claim 1, which is characterized in that the spudger includes connecting rod and cunning
Bar, the two are fixed in hinge eyes, and the connecting rod is arc-shaped, and end setting, there are three cable-through hole, the slide bar is hollow tube,
It is communicated with the inner wall of the hinge eyes.
5. a kind of three needles locking-type flat seam machine according to claim 1, which is characterized in that be provided with support on the yarn changing device
Plate is provided with big tension disk, small tension disk and tightener in support plate, and shaft coupling is provided on the tightener, adjusts bolt
With three line-crossing disks, there are three the big tension disks, and each big tension disk includes big knob and big thread tension disc, the big knob and
It is provided with the first spring between big thread tension disc, there are three the small tension disks, and each small tension disk includes small knob and small clamp
Piece is provided with second spring between the small knob and small thread tension disc, is arranged between each big tension disk and each small tension disk
There is conductor rod.
6. a kind of three needles locking-type flat seam machine according to claim 1, which is characterized in that the auxiliary cover plate two sides are equipped with convex
The slideway risen is provided with visual window in plate face, and end is provided with card slot, and the auxiliary cover plate is fixed on platen by card slot,
It is provided with sliding slot by the side of one of two slideways, jagged, and the notch and the sliding slot are set on the slideway
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821047525.0U CN208917454U (en) | 2018-07-03 | 2018-07-03 | Three needle locking-type flat seam machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821047525.0U CN208917454U (en) | 2018-07-03 | 2018-07-03 | Three needle locking-type flat seam machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208917454U true CN208917454U (en) | 2019-05-31 |
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ID=66693885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821047525.0U Active CN208917454U (en) | 2018-07-03 | 2018-07-03 | Three needle locking-type flat seam machines |
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| Country | Link |
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| CN (1) | CN208917454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113293535A (en) * | 2021-06-24 | 2021-08-24 | 东莞创辉缝纫机有限公司 | Locking-type chain type interchange integrated winch foot machine |
-
2018
- 2018-07-03 CN CN201821047525.0U patent/CN208917454U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113293535A (en) * | 2021-06-24 | 2021-08-24 | 东莞创辉缝纫机有限公司 | Locking-type chain type interchange integrated winch foot machine |
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