CN209508592U - A kind of upper shaft transmission of template sewing machine - Google Patents
A kind of upper shaft transmission of template sewing machine Download PDFInfo
- Publication number
- CN209508592U CN209508592U CN201822131873.2U CN201822131873U CN209508592U CN 209508592 U CN209508592 U CN 209508592U CN 201822131873 U CN201822131873 U CN 201822131873U CN 209508592 U CN209508592 U CN 209508592U
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- sewing machine
- upper shaft
- take
- crank
- thread take
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Abstract
The utility model discloses a kind of upper shaft transmission of template sewing machine, including sewing machine upper shaft and driving motor, which drives sewing machine upper shaft to rotate counterclockwise；The lower axle of sewing machine is directly connected to by synchronous belt and sewing machine upper shaft, and rotation counterclockwise in the same direction；The front end of sewing machine upper shaft is equipped with thread take-up crank, and thread take-up crank drives thread take-up tension lever work, and the take-up portion of take-up boom end is located at the left side of sewing machine head.
Description
Technical field
The utility model relates to a kind of template sewing machine, the upper shaft transmission of specifically a kind of template sewing machine.
Background technique
Currently, flat seam machine in the prior art is usually upper axis by pulley drive feed lifting rock shaft, feed lifting rock shaft passes through tooth again
Wheel transmission lower axle, this structure have the following problems: first is that the required precision to gear is higher, and structure is complex, institute
The part needed is also more, causes part processing and assembly difficulty is big, influence the performance and maintenance of complete machine, increase and be produced into
This, second is that then influencing lower axle and upper axle speed ratio because gear intermeshing is worn after long-term use, being easy to produce striker
Phenomenon delays the duration, reduces production efficiency, third is that because the complexity of this structure leads to the installation site for backstitching spanner
It is inflexible, it cannot flexibly install.
Summary of the invention
Technical problem to be solved in the utility model is to be directed to above-mentioned state of the art, and provide a kind of template sewing
The upper shaft transmission of machine eliminates traditional feed lifting rock shaft and gear transmission structure in upper and lower axle construction, greatly simplifies work
Structure reduces cost, while sewing machine upper shaft and lower axle rotate counterclockwise in the same direction and the thread take-up lever structure of left side setting, mentions
The sewing thread trace quality of high template sewing machine.
Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of upper axis of template sewing machine is driven
Mechanism, including sewing machine upper shaft and driving motor, the driving motor drive sewing machine upper shaft to rotate counterclockwise；The lower axle of sewing machine
It is directly connected to by synchronous belt and sewing machine upper shaft, and rotation counterclockwise in the same direction；The front end of sewing machine upper shaft is equipped with thread take-up crank,
Thread take-up crank drives thread take-up tension lever work, and the take-up portion of take-up boom end is located at the left side of sewing machine head.
To optimize above-mentioned technical proposal, the utility model further includes following improved technical solution.
The power output shaft of above-mentioned driving motor is connected with the first synchronous pulley, and lower axle is connected with the second synchronous pulley, the
The transmission ratio of one synchronous pulley and the second synchronous pulley is 2:1.
Shaft coupling is equipped between above-mentioned power output shaft and sewing machine upper shaft.
Above-mentioned thread take-up tension lever has take-up mobile jib portion and support rod；The root of support rod and thread take-up crank rotation connect
It connects, the upper end of support rod is fixedly connected with the root in take-up mobile jib portion in angle；The upper end in take-up mobile jib portion is formed with take-up hole.
Above-mentioned take-up mobile jib portion and the junction of support rod are formed with axle sleeve, and one end of support link is rotatably arranged on axle sleeve
Interior, the support shaft on the other end and sewing machine head, which rotates, transfers.
The root of above-mentioned support rod is rotatably connected to needle bar crank, and the movable end of needle bar crank passes through shank connecting rod and needle
Sliding block on bar guide pad is connected.
Compared with prior art, the upper shaft transmission of a kind of template sewing machine of the utility model, is driven by synchronous belt
Dynamic lower axle rotates counterclockwise in the same direction, avoids traditional technology middle gear from being driven the various defects of bring, while greatly simplifying work knot
Structure reduces cost.The thread take-up lever structure that upper transmission mechanism can drive left side to be arranged, thread take-up tension lever left side arrangement are conducive to tightening line
Mark, to improve the sewing thread trace quality of template sewing machine.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model embodiment.
Fig. 2 is the positive structure schematic of take-up component in Fig. 1.
Fig. 3 is the rear side axonometric drawing of Fig. 2.
Specific embodiment
The embodiments of the present invention are described in further detail below in conjunction with attached drawing.
Fig. 1 to Fig. 3 show the structural schematic diagram of the utility model.
Appended drawing reference therein are as follows: sewing machine upper shaft 1, the first synchronous pulley 11, shaft coupling 12, synchronous belt 13, lower axle 2,
Second synchronous pulley 21, driving motor 3, power output shaft 31, thread take-up crank 4, thread take-up tension lever 5, take-up mobile jib portion 5a, support rod
5b, take-up hole 5c, axle sleeve 5d, support link 6, support shaft 61, needle bar crank 7, shank connecting rod 71, shank guide pad 72, sliding block
73。
The upper shaft transmission of the template sewing machine of the utility model, including sewing machine upper shaft 1 and driving motor 3, driving
Motor 3 drives sewing machine upper shaft 1 to rotate counterclockwise.Orientation described in the utility model is based on front view shown in Fig. 2.
In the utility model, the lower axle 2 of sewing machine is directly connected to by synchronous belt 13 with sewing machine upper shaft 1, and inverse in the same direction
Hour hands rotation.It is driven using synchronous belt 13, eliminates gear transmission structure in the prior art, simplified structure, drop can be played
Low cost, the effect for improving installation and maintenance efficiency, while avoiding and causing sewing machine upper shaft 1 and lower axle 2 anti-because of gear drive
To rotation, cause the problem of influencing sewing thread trace quality.
The front end of sewing machine upper shaft 1 is equipped with thread take-up crank 4, and thread take-up crank 4 drives thread take-up tension lever 5 to work, 5 end of thread take-up tension lever
Take-up portion is located at the left side of sewing machine head.By setting thread take-up tension lever 5 on a sewing machine head left side, the counterclockwise of sewing machine upper shaft 1 is adapted to
Rotation, conducive to tightening stitching to improve sewing thread trace quality.
The power output shaft 31 of driving motor 3 is connected with the first synchronous pulley 11, and lower axle 2 is connected with the second synchronous pulley
21, the transmission ratio of the first synchronous pulley 11 and the second synchronous pulley 21 is 2:1.
After power output shaft 31 passes through the first synchronous pulley 11, shaft coupling 12 is equipped between output end and sewing machine upper shaft 1.
Thread take-up tension lever 5 has take-up mobile jib portion 5a and support rod 5b.The root of support rod 5b and the rotation of thread take-up crank 4 connect
It connects, the upper end of support rod 5b is fixedly connected with the root of take-up mobile jib portion 5a in angle.The upper end of take-up mobile jib portion 5a is formed with
Take-up hole 5c.
The junction of take-up mobile jib portion 5a and support rod 5b are formed with axle sleeve 5d, and one end of support link 6 is rotatably arranged on
In axle sleeve 5d, the support shaft 61 on the other end and sewing machine head, which rotates, transfers.
The root of support rod 5b is rotatably connected to needle bar crank 7, the movable end of needle bar crank 7 by shank connecting rod 71 with
Sliding block 73 on shank guide pad 72 is connected, driving shank work.
The most preferred embodiment of the utility model has illustrated, the various change or remodeling made by those of ordinary skill in the art
All without departing from the scope of the utility model.
Claims (6)
1. a kind of upper shaft transmission of template sewing machine, including sewing machine upper shaft (1) and driving motor (3), it is characterized in that: institute
The driving motor (3) stated drives the sewing machine upper shaft (1) to rotate counterclockwise；The lower axle (2) of sewing machine passes through synchronous belt
(13) it is directly connected to the sewing machine upper shaft (1), and rotation counterclockwise in the same direction；The front end of the sewing machine upper shaft (1) is set
Have thread take-up crank (4), thread take-up crank (4) driving thread take-up tension lever (5) work, the take-up portion of thread take-up tension lever (5) end is located at
The left side of sewing machine head.
2. upper shaft transmission according to claim 1, it is characterized in that: the power output shaft of the driving motor (3)
(31) it is connected with the first synchronous pulley (11), the lower axle (2) is connected with the second synchronous pulley (21), first synchronous pulley
It (11) is 2:1 with the transmission ratio of the second synchronous pulley (21).
3. upper shaft transmission according to claim 2, it is characterized in that: on the power output shaft (31) and sewing machine
Shaft coupling (12) are equipped between axis (1).
4. upper shaft transmission according to claim 3, it is characterized in that: the thread take-up tension lever (5) has take-up mobile jib portion
(5a) and support rod (5b)；The root and thread take-up crank (4) of the support rod (5b) are rotatablely connected, support rod (5b)
Upper end is fixedly connected with the root in take-up mobile jib portion (5a) in angle；The upper end in take-up mobile jib portion (5a) is formed with take-up hole
(5c)。
5. upper shaft transmission according to claim 4, it is characterized in that: take-up mobile jib portion (5a) and support rod
The junction of (5b) is formed with axle sleeve (5d), and one end of support link (6) is rotatably arranged in the axle sleeve (5d), the other end with
Support shaft (61) on sewing machine head rotates switching.
6. upper shaft transmission according to claim 5, it is characterized in that: the root of the support rod (5b) is rotatablely connected
Have needle bar crank (7), the movable end of needle bar crank (7) passes through the sliding block (73) on shank connecting rod (71) and shank guide pad (72)
It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822131873.2U CN209508592U (en) | 2018-12-19 | 2018-12-19 | A kind of upper shaft transmission of template sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822131873.2U CN209508592U (en) | 2018-12-19 | 2018-12-19 | A kind of upper shaft transmission of template sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209508592U true CN209508592U (en) | 2019-10-18 |
Family
ID=68195629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822131873.2U Active CN209508592U (en) | 2018-12-19 | 2018-12-19 | A kind of upper shaft transmission of template sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209508592U (en) |
-
2018
- 2018-12-19 CN CN201822131873.2U patent/CN209508592U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315100 Zhejiang city of Ningbo province Yinzhou District Jingu Road No. 219 Patentee after: Shupu Intelligent Technology Co.,Ltd. Address before: 315100 Zhejiang city of Ningbo province Yinzhou District Jingu Road No. 219 Patentee before: NINGBO SUPREME ELECTRONIC MACHINERY Inc. |
|
| CP01 | Change in the name or title of a patent holder |