CN210561120U - Thread releasing plate and thread releasing device of sewing machine - Google Patents
Thread releasing plate and thread releasing device of sewing machine Download PDFInfo
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- CN210561120U CN210561120U CN201920986826.8U CN201920986826U CN210561120U CN 210561120 U CN210561120 U CN 210561120U CN 201920986826 U CN201920986826 U CN 201920986826U CN 210561120 U CN210561120 U CN 210561120U
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Abstract
The utility model belongs to the technical field of make up machinery, a sewing machine's pine line board and thread tension device is related to, its pine line board that has solved current sewing machine is not applicable to the sewing machine scheduling problem of the irregular distribution of thread trapper. This sewing machine includes position irregular distribution's thread tension device one and thread tension device two, and the thread tension device includes the body, its characterized in that, the one end of body be provided with the corresponding thread tension device one claw one that looses, the other end of body extends and forms the compensation portion, the length of compensation portion and the thread tension device one and the thread tension device two between the distance difference corresponding, be provided with the thread tension device two phase on the compensation portion and loosen the claw two that correspond. The thread loosening plate is suitable for sewing machines with irregularly distributed thread clamps.
Description
Technical Field
The utility model belongs to the technical field of make up machinery, a sewing machine's pine line board and pine thread device is related to.
Background
In a bag sewing machine, a thread slacking device is an indelible unit because when a thread is required to cut at the beginning and end of a bag sewing operation, it is generally required to put the sewing machine cover thread in a slackened state, and the time and state of the slackening process affect not only the cutting quality but also the labor intensity of an operator.
Therefore, many manufacturers research the thread releasing device of the overedger, for example, the thread releasing mechanism of the overedger disclosed in the chinese patent CN 205295676U comprises a thread passing plate, a thread pressing disc is arranged on one side surface of the thread passing plate, a support is arranged on the other side of the thread passing plate, a thread releasing cylinder is fixedly connected on the support, a piston rod of the thread releasing cylinder is fixedly connected with a movable frame, and the movable frame can be clamped between the thread passing plate and the thread pressing disc under the driving of the thread releasing cylinder. When the thread needs to be loosened, the thread loosening cylinder is controlled to drive the movable frame, so that the movable frame is clamped between the thread passing plate and the thread pressing disc, the upper thread is in a loose state, and the thread loosening is finished.
However, with the continuous development of the overedger technology, the distribution of the thread clamps of the overedger is changed correspondingly, most of the thread clamps of the traditional overedger are positioned at the same height and are distributed in a straight line, and the thread clamps of part of the overedger at present are arranged at different heights, for example, the overedger R5T disclosed in the patent CN 305109781S and the intelligent computer overedger disclosed in the patent CN 304992924S in China are arranged at different heights, and when the existing thread releasing device is adopted to release threads of the thread clamps of the overedger, the situations of large occupied space, material waste, interference, clamping stagnation and the like are easy to occur, so that the overedger with different thread clamp heights is not suitable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provided a sewing machine's pine line board and pine device, the utility model aims to solve the technical problem that: how to make this pine board can be applicable to the sewing machine of trapper irregular distribution.
The purpose of the utility model can be realized by the following technical proposal:
the utility model provides a sewing machine's pine line board, sewing machine includes position irregular distribution's first thread gripper and second thread gripper, the pine line board includes the body, its characterized in that, the one end of body is provided with the first corresponding thread-releasing claw of thread gripper, and the other end of body extends and forms the compensation portion, the length of compensation portion and the first distance difference between thread gripper and the second thread gripper are corresponding, be provided with the second corresponding thread-releasing claw two with the thread gripper in the compensation portion.
The working principle is as follows: when the thread is loosened, the thread loosening plate can move, so that the first thread loosening claw and the second thread loosening claw are respectively inserted into the first thread clamping device and the second thread clamping device to achieve thread loosening. Because the thread loosening plate is provided with the compensation part corresponding to the distance difference between the first thread clamping device and the second thread clamping device, the first thread loosening claw and the second thread loosening claw can just align to thread clamping sheets on the first thread clamping device and the second thread clamping device, thread loosening is more stable, required materials and assembly space are less, interference and clamping stagnation are not easy to occur, and the thread loosening plate can be effectively suitable for sewing machines with irregular thread clamping device distribution.
In the thread releasing plate of the sewing machine, the first thread clamping device and the second thread clamping device are different in height, and the length of the compensation part corresponds to the height difference between the first thread clamping device and the second thread clamping device. The position height of the first thread clamping device and the second thread clamping device in the application refers to the position of the first thread clamping device and the second thread clamping device along the height direction of the sewing machine, and does not refer to the height of the parts.
In the thread releasing plate of the sewing machine, the thread releasing plate body, the first thread releasing claw, the second thread releasing claw and the compensation part are of an integrally formed structure.
In the thread releasing plate of the sewing machine, the first thread releasing claw and the second thread releasing claw are coplanar. The two are coplanar and can be suitable for the condition that the wire holders are on the same plane.
In the thread releasing plate of the sewing machine, as another scheme, the first thread releasing claw and the second thread releasing claw are not coplanar. The two are not coplanar, and the wire clamping device is suitable for the condition that the wire clamps are not on the same plane.
In the thread releasing plate of the sewing machine, the first thread releasing claw and the second thread releasing claw are provided with inclined surfaces or arc surfaces. The design has corresponding surfaces, such as inclined surfaces or arc surfaces, which can be conveniently matched with the wire clamping sheets on the first wire clamping device and the second wire clamping device to realize wire loosening.
The thread releasing device of the sewing machine is characterized by comprising a thread releasing device mounting plate, a driver and the thread releasing plate, wherein a first thread clamping device and a second thread clamping device are arranged on the thread releasing device mounting plate, and the position of the first thread clamping device is higher than that of the second thread clamping device; the driver can drive the thread releasing plate to move in the horizontal direction, so that the first thread releasing claw and the second thread releasing claw are respectively inserted into the first thread clamping device and the second thread clamping device to release threads.
The working principle is as follows: when the thread is loosened, the driver drives the thread loosening plate to move along the horizontal direction, so that the first thread loosening claw and the second thread loosening claw are respectively inserted into the first thread clamping device and the second thread clamping device to realize thread loosening.
In the thread releasing device of the sewing machine, the thread releasing mounting plate is provided with a limit screw, and the body of the thread releasing plate is provided with a sliding groove in sliding fit with the limit screw. After the design has spout and stop screw, can carry out spacingly to the moving direction of pine line board, avoid it to take place the leap up of left and right direction and move, improve its stability and accurate nature when sliding.
In the thread releasing device of the sewing machine, the limiting screw is provided with a limiting groove matched with the sliding groove. The cooperation of spacing groove and spout still can carry out the spacing of fore-and-aft direction to the pine line board, avoids it to take place to leap up along the fore-and-aft direction, stability and accurate nature when further improving the pine line board and removing to improve pine line stability.
In the thread releasing device of the sewing machine, the thread releasing device further comprises a thread releasing lever, the thread releasing lever comprises a fulcrum, a power arm and a resistance arm, and the length of the power arm is greater than that of the resistance arm; the output end of the driver is connected with the power arm of the thread releasing lever and can drive the thread releasing lever to swing around the fulcrum; the body of pine line board is connected with the resistance arm of pine line lever, the swing that can pass through self of pine line lever drives the line board of loosing and removes along the horizontal direction. When the thread needs to be loosened, the thread loosening lever is driven to swing through the driver, so that the thread loosening plate is driven to move, the thread loosening plate moves towards the thread clamping device, and the thread loosening is realized; because the power arm length of the thread loosening lever is greater than the length of the resistance arm, compared with the prior art, the thread loosening can be realized only by outputting less force by the driving source, so that the energy consumption is reduced, the volume of the driving source can be reduced, the assembly space is saved, the assembly difficulty is reduced, and the assembly convenience is improved.
In the thread releasing device of the sewing machine, a first strip-shaped hole is formed in the power arm of the thread releasing lever along the length direction of the power arm, and a first connecting piece movably matched with the first strip-shaped hole is arranged at the output end of the driver; a second strip-shaped hole is formed in the resistance arm of the thread loosening lever along the length direction of the resistance arm, and a second connecting piece movably matched with the second strip-shaped hole is arranged on the thread loosening plate body. When the thread loosening lever swings, the lengths of the power arm and the resistance arm are changed, and the first strip-shaped hole, the first connecting piece, the second strip-shaped hole and the second connecting piece are designed, so that when the thread loosening lever swings, the first connecting piece and the second connecting piece can slide in the first strip-shaped hole and the second strip-shaped hole, and clamping stagnation is avoided by matching with the action of the thread loosening lever.
Compared with the prior art, the utility model has the advantages of it is following:
because the thread loosening plate is provided with the compensation part corresponding to the height difference between the first thread clamping device and the second thread clamping device, the first thread loosening claw and the second thread loosening claw can just aim at thread clamping sheets on the first thread clamping device and the second thread clamping device, thread loosening is more stable, required materials and assembly space are less, interference and clamping stagnation are not easy to occur, and the thread loosening plate can be effectively suitable for sewing machines with different thread clamping device heights.
Drawings
Fig. 1 is a schematic front view of the thread releasing device in the embodiment.
Fig. 2 is a schematic view of a front mounting structure of the wire loosening plate in the embodiment.
Fig. 3 is a schematic diagram of a reverse side mounting structure of the thread releasing plate in the embodiment.
Fig. 4 is a schematic structural diagram of the loosening plate in the embodiment.
In the figure, 1, a thread slacker mounting plate; 2. a first wire clamping device; 3. a second wire clamping device; 4. loosening the thread plate; 5. a driver; 6. a first thread releasing claw; 7. a compensation section; 8. a second thread releasing claw; 9. a limit screw; 10. a chute; 11. a thread releasing lever; 12. a fulcrum; 13. a power arm; 14. a resistance arm; 15. a first strip-shaped hole; 16. a first connecting piece; 17. a strip-shaped hole II; 18. a second connecting piece; 19. a body.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, 2, 3 and 4, the sewing machine comprises a first thread clamping device 2 and a second thread clamping device 3 which are irregularly distributed, the thread loosening plate 4 comprises a body 19, one end of the body 19 of the thread loosening plate 4 is provided with a first thread loosening claw 6 corresponding to the first thread clamping device 2, the other end of the body 19 of the thread loosening plate 4 extends to form a compensation part 7, the length of the compensation part corresponds to the distance difference between the first thread clamping device 2 and the second thread clamping device 3, and the compensation part 7 is provided with a second thread loosening claw 8 corresponding to the second thread clamping device 3.
Preferably, the height of the first wire holder 2 and the second wire holder 3 is different, the other end of the body 19 of the wire loosening plate 4 extends downwards to form a compensating part 7, and the length of the compensating part corresponds to the height difference between the first wire holder 2 and the second wire holder 3. It should be noted that, the overedger thread grippers in the prior art are mostly in a linear type and are distributed along the horizontal direction, and the irregular distribution of the first thread gripper 2 and the second thread gripper 3 in the application includes but is not limited to various distribution conditions along the front-back direction, the left-right direction and the up-down direction of the sewing machine, and the first thread gripper 2 and the second thread gripper 3 can also be designed into a relatively inclined distribution mode, and correspondingly, the shape and the size of the compensation part 7 can be correspondingly modified, and the overall principle is not changed.
In this embodiment, the body 19, the first thread releasing claw 6, the second thread releasing claw 8 and the compensation part 7 of the thread releasing plate 4 are preferably of an integrally formed structure. As other schemes, the components are designed to be split, and then the fasteners are connected.
The first thread releasing claw 6 and the second thread releasing claw 8 can be coplanar or not coplanar so as to cater for the coplanar or non-coplanar first thread gripper 2 and second thread gripper 3. The first wire clamping device 2 and the second wire clamping device 3 are usually realized by two wire clamping sheets when clamping wires, so that the first wire releasing claw 6 and the second wire releasing claw 8 are provided with inclined planes or arc surfaces for better matching with the wire clamping sheets, and certainly, the first wire releasing claw and the second wire releasing claw are not limited to the inclined planes or the arc surfaces and can be modified according to actual conditions.
The utility model also provides a thread releasing device of the sewing machine, which comprises a thread releasing device mounting plate 1, a driver 5 and the thread releasing plate 4, wherein the first thread gripper 2 and the second thread gripper 3 are both arranged on the thread releasing device mounting plate 1, and the position of the first thread gripper 2 is higher than that of the second thread gripper 3; the driver 5 can drive the thread releasing plate 4 to move along the horizontal direction, so that the first thread releasing claw 6 and the second thread releasing claw 8 are respectively inserted into the first thread clamping device 2 and the second thread clamping device 3 to release threads.
In order to ensure that the thread loosening plate 4 can move smoothly, the thread is loosened stably. The thread loosening mounting plate is provided with a limit screw 9, and the body 19 of the thread loosening plate 4 is provided with a sliding groove 10 in sliding fit with the limit screw 9. The limit screw 9 is provided with a limit groove matched with the sliding groove 10. Preferably, the number of the limiting screws 9 is two, the limiting screws are located between the first wire clamping device 2 and the second wire clamping device 3, and the rear plane of the limiting groove is aligned with the contact plane of the first wire clamping device 2 and the second wire clamping device 3, so that the wire loosening of the first wire clamping device 2 and the second wire clamping device 3 is more synchronous.
In order to reduce the output driving force, the thread releasing device also comprises a thread releasing lever 11, wherein the thread releasing lever 11 comprises a fulcrum 12, a power arm 13 and a resistance arm 14, and the length of the power arm 13 is greater than that of the resistance arm 14; the output end of the driver 5 is connected with a power arm 13 of the thread releasing lever 11 and can drive the thread releasing lever 11 to swing around a fulcrum 12, and the fulcrum 12 can be realized by a pin, a rotating shaft and the like; the body 19 of the thread releasing plate 4 is connected with the resistance arm 14 of the thread releasing lever 11, and the thread releasing lever 11 can drive the thread releasing plate 4 to move along the horizontal direction through self swing. Specifically, a first strip-shaped hole 15 is formed in the power arm 13 of the thread releasing lever 11 along the length direction of the power arm, and a first connecting piece 16 movably matched with the first strip-shaped hole 15 is arranged at the output end of the driver 5; the resistance arm 14 of the thread loosening lever 11 is provided with a second strip-shaped hole 17 along the length direction, and a second connecting piece 18 movably matched with the second strip-shaped hole 17 is arranged on the body 19 of the thread loosening plate 4.
The actuator 5 may be any of various drive sources such as an electromagnet and an air cylinder.
It should be noted that, in the present embodiment, a specific structure for moving the thread releasing plate 4 is provided. Alternatively, the driver 5 may be directly connected to the thread take-up plate 4, or the driving method disclosed in patent CN 205295676U may be used.
The working principle of the utility model is as follows: when the thread is loosened, the driver 5 drives the thread loosening plate 4 to move along the horizontal direction, so that the first thread loosening claw 6 and the second thread loosening claw 8 are respectively inserted into the first thread clamping device 2 and the second thread clamping device 3 to achieve thread loosening. Because the thread loosening plate 4 is provided with the compensating part 7 which corresponds to the height difference between the first thread clamping device 2 and the second thread clamping device 3, the thread loosening claws 6 and the second thread loosening claws 8 can just aim at thread clamping sheets on the first thread clamping device 2 and the second thread clamping device 3, the thread loosening is more stable, and the thread loosening device can be effectively suitable for sewing machines with different thread clamping device heights.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides a sewing machine's pine line board, sewing machine includes irregularly distributed's first (2) of thread trapper and two (3) of thread trapper, pine line board (4) are including body (19), its characterized in that, the one end of body (19) is provided with the corresponding pine line claw (6) with first (2) of thread trapper, and the other end of body (19) extends and forms compensation portion (7), the length of compensation portion (7) is corresponding with the distance between first (2) of thread trapper and the two (3) of thread trapper, be provided with on compensation portion (7) with the corresponding two (8) of thread trapper two (3) of thread trapper.
2. The thread take-up of a sewing machine according to claim 1, characterized in that the first (2) and second (3) grippers are positioned at different heights, and the length of the compensation portion (7) corresponds to the difference in height between the first (2) and second (3) grippers.
3. The thread slacking off plate of a sewing machine according to claim 1, wherein the body (19), the first thread slacking claw (6), the second thread slacking claw (8) and the compensation part (7) of the thread slacking off plate (4) are of an integrally formed structure.
4. Thread take-up spool for sewing machines according to claim 1, characterized in that the first (6) and the second (8) thread take-up jaws are coplanar or not coplanar.
5. The thread take-up spool of a sewing machine according to claim 1, 2, 3 or 4, wherein the first thread take-up pawl (6) and the second thread take-up pawl (8) have a bevel or a circular arc.
6. A thread loosening device of a sewing machine is characterized by comprising a thread loosening device mounting plate (1), a driver (5) and the thread loosening plate according to any one of claims 1 to 5, wherein a first thread clamping device (2) and a second thread clamping device (3) of the sewing machine are arranged on the thread loosening device mounting plate (1), the position of the first thread clamping device (2) is higher than that of the second thread clamping device (3), the driver (5) can drive the thread loosening plate (4) to move in the horizontal direction, and the first thread loosening claw (6) and the second thread loosening claw (8) are respectively inserted into the first thread clamping device (2) and the second thread clamping device (3) to realize thread loosening.
7. The thread releasing device of a sewing machine according to claim 6, wherein the thread releasing mounting plate is provided with a limit screw (9), and a sliding groove (10) which is in sliding fit with the limit screw (9) is formed on a body (19) of the thread releasing plate (4).
8. The thread releasing device of a sewing machine according to claim 7, wherein the limit screw (9) is provided with a limit groove which is matched with the sliding groove (10).
9. The thread releasing device of a sewing machine according to claim 8, characterized in that the thread releasing device further comprises a thread releasing lever (11), the thread releasing lever (11) comprises a fulcrum (12), a power arm (13) and a resistance arm (14), and the length of the power arm (13) is greater than that of the resistance arm (14); the output end of the driver (5) is connected with a power arm (13) of the thread releasing lever (11) and can drive the thread releasing lever (11) to swing around a fulcrum (12); the thread loosening plate is characterized in that a body (19) of the thread loosening plate (4) is connected with a resistance arm (14) of a thread loosening lever (11), and the thread loosening lever (11) can drive the thread loosening plate (4) to move in the horizontal direction through swinging of the thread loosening lever (11).
10. The thread releasing device of a sewing machine according to claim 9, characterized in that the power arm (13) of the thread releasing lever (11) is provided with a first strip-shaped hole (15) along the length direction thereof, and the output end of the driver (5) is provided with a first connecting piece (16) movably matched with the first strip-shaped hole (15); two (17) in strip hole have been seted up along self length direction in resistance arm (14) of pine line lever (11), have on the body (19) of pine line board (4) with two (17) clearance fit's in strip hole connecting piece (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920986826.8U CN210561120U (en) | 2019-06-27 | 2019-06-27 | Thread releasing plate and thread releasing device of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920986826.8U CN210561120U (en) | 2019-06-27 | 2019-06-27 | Thread releasing plate and thread releasing device of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210561120U true CN210561120U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920986826.8U Active CN210561120U (en) | 2019-06-27 | 2019-06-27 | Thread releasing plate and thread releasing device of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210561120U (en) |
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2019
- 2019-06-27 CN CN201920986826.8U patent/CN210561120U/en active Active
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 317502 No.8 Jinxiu Road, Xinhe Town, Wenling City, Taizhou City, Zhejiang Province Patentee after: Meiji Technology Group Co.,Ltd. Address before: 317502 Zhongxiang Industrial Zone, Xinhe Town, Wenling City, Taizhou City, Zhejiang Province Patentee before: ZHEJIANG MAQI SEWING MACHINE Co.,Ltd. |
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| CP03 | Change of name, title or address |