CN220468339U - Presser foot lifting and thread cutting integrated transmission mechanism on herringbone sewing machine - Google Patents
Presser foot lifting and thread cutting integrated transmission mechanism on herringbone sewing machine Download PDFInfo
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- CN220468339U CN220468339U CN202321920806.3U CN202321920806U CN220468339U CN 220468339 U CN220468339 U CN 220468339U CN 202321920806 U CN202321920806 U CN 202321920806U CN 220468339 U CN220468339 U CN 220468339U
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- presser foot
- sewing machine
- thread cutting
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- swinging
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- 230000007246 mechanism Effects 0.000 title claims abstract description 62
- 238000009958 sewing Methods 0.000 title claims abstract description 37
- 230000005540 biological transmission Effects 0.000 title claims abstract description 21
- 238000009966 trimming Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/66—Disintegrating fibre-containing textile articles to obtain fibres for re-use
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model discloses a presser foot lifting and thread trimming integrated transmission mechanism on a herringbone sewing machine, which comprises a sewing machine head with a rotating shuttle spindle, wherein a servo motor, a thread trimming mechanism and a presser foot lifting mechanism are arranged on the sewing machine head; the thread cutting mechanism comprises a thread cutting cam and a swinging component, the swinging component is connected with the pin component, a swinging groove cam is arranged on the rotating shuttle spindle, and the swinging groove cam drives the pin component to swing through a wheel groove when rotating, so that the thread cutting knife group structure of the linked thread cutting mechanism is driven to act, and the presser foot lifting mechanism comprises a presser foot lifting cam and a presser foot lifting rotating arm; according to the transmission structure of the sewing machine, the presser foot lifting and thread cutting functions are realized through the single-drive double-device, the thread cutting mechanism is improved according to the working condition and the use situation of the herringbone vehicle, the servo motor is used for playing a clutch driving role in use, the thread cutting mechanism is linked with the rotating shuttle spindle, the rotating shuttle spindle is used for driving the thread cutting knife set to work, and therefore a better use effect can be obtained.
Description
Technical Field
The utility model relates to the technical field, in particular to a presser foot lifting and thread cutting integrated transmission mechanism on a herringbone sewing machine.
Background
The prior art sewing machine generally adopts an air cylinder or an electromagnet to drive a presser foot lifting device to act, the presser foot lifting device is driven to lift the presser foot and cut the thread, and the presser foot lifting connecting rod or the thread cutting connecting rod is driven by independent power, but the limit of the telescopic structure of the air cylinder or the electromagnet is based, therefore, generally, each connecting rod mechanism is independently arranged, the structure of the sewing machine is complex, the action has larger vibration noise, and therefore, the vibration reducing component is required to be arranged to be matched, the occupied space is larger, the installation is not facilitated, and the Chinese patent: CN201620259911.0 discloses a presser foot lifting device of a sewing machine, and this prior art discloses a presser foot lifting device driven by an electromagnet, as mentioned above, such a structure has the problem of single driving, namely, a set of driving mechanism needs to be set up for another function, which not only results in large space occupation, but also is unfavorable for installation and maintenance, therefore, considering the above problem, there is a current need to design a driving mechanism with the characteristics of compact structure, small occupied space, low noise and convenient debugging.
Disclosure of Invention
In view of the prior art, the utility model aims to provide a mechanism for realizing two independent functions based on the action of one servo motor, which has the characteristics of small motor moment, compact structure of a transmission mechanism, small occupied space, low noise and convenient debugging, and the thread cutting mechanism of the embodiment can realize the function of circularly fixing and cutting.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a lift presser foot, cut integrative drive mechanism of line on herringbone car sewing machine, includes the sewing machine aircraft nose that has the rotating shuttle main shaft, its characterized in that: the sewing machine head is provided with a servo motor, and a thread cutting mechanism and a presser foot lifting mechanism which are driven to act by the servo motor;
the thread cutting mechanism comprises a thread cutting cam fixed on a servo motor main shaft and a swinging assembly driven by the thread cutting cam, the swinging assembly is also connected with a pin assembly, a swinging groove cam is arranged on the rotating shuttle main shaft, a wheel groove for sliding of the pin sub-assembly is arranged on the swinging groove cam, and when the end part of the pin assembly is driven by the servo motor to move into the wheel groove, the swinging groove cam drives the pin assembly to swing so as to drive the thread cutting knife group structure of the linked thread cutting mechanism to act;
the presser foot lifting mechanism comprises a presser foot lifting cam and a presser foot lifting rotating arm, wherein the presser foot lifting cam is arranged on a main shaft at the other side of the servo motor, and the presser foot lifting rotating arm has a reset swinging function, and the presser foot lifting cam is driven to rotate when the servo motor rotates.
As a further arrangement of the scheme, the wheel groove arranged on the swing groove cam is shaped like a Chinese character 'ji', and the protruding direction of the wheel groove is the axial direction of the rotating shuttle main shaft.
As a further arrangement of the scheme, the end part of the pin component is hinged with a roller sleeve, the pin component enters and exits the wheel groove of the swing groove cam to move under the drive of the swing component, and the roller sleeve is in rolling abutting connection with the inner side wall of the wheel groove.
As the further setting of above-mentioned scheme, swing subassembly includes with shearing cam complex articulated arm, the swing arm that one section butt articulated arm set up, the swing arm articulates on the installation piece that has waist type hole, just the other end of the relative butt articulated arm of swing arm is provided with the gangbar, the pin subassembly is connected the gangbar tip and is set up.
As a further arrangement of the scheme, the pin component stretches into the waist-shaped hole and is driven by the swing arm to move along the waist-shaped hole, the pin component is column-shaped, a tangent plane groove is arranged in the circumferential direction of the pin component and is abutted against the inner wall of the waist-shaped hole, and the pin component is fixedly arranged relative to the circumferential direction of the mounting block.
As a further arrangement of the scheme, the mounting block is provided with a coil spring column in an extending mode, a reset coil spring is sleeved on the coil spring column, and the coil spring column is hinged to the sewing machine head.
As a further arrangement of the scheme, a spring is further arranged in the mounting block, one end of the spring is abutted to the swing arm, and the other end of the spring is abutted to the mounting block.
In the above arrangement, a rotating wheel is connected to the end of the presser foot lifting rotating arm, which is close to the presser foot lifting cam, and the rotating wheel is arranged on the presser foot lifting cam in a rolling and abutting manner.
The beneficial effects are that: the sewing machine transmission structure improves the technical scheme structure in the prior art, realizes the functions of lifting the presser foot and cutting the thread by arranging the single-drive mechanism and integrally transmitting the double-device mechanism, and improves the thread cutting mechanism according to various use requirements of the thread cutting, aiming at the working condition and the use situation of the herringbone vehicle, when in use, the servo motor is used for playing a clutch driving role, and the thread cutting mechanism is driven to be linked with the rotating shuttle main shaft, and drives the thread cutting knife group to work by the rotation of the rotating shuttle main shaft, so that better use effect can be obtained.
Drawings
FIG. 1 is a schematic view of a sewing machine according to the present utility model.
FIG. 2 is a schematic view of a sewing machine drive mechanism of the present utility model.
FIG. 3 is an exploded view of the transmission structure of the sewing machine of the present utility model.
FIG. 4 is a schematic view of a presser foot lifting mechanism of the sewing machine of the present utility model.
Fig. 5 is a cross-sectional view of the thread cutting mechanism of the present utility model.
Reference numerals: 1. a sewing machine head; 11. a rotating shuttle spindle; 12. swinging an operating cam; 13. wheel grooves; 2. a servo motor; 3. a thread cutting mechanism; 31. a thread cutting cam; 35. a structure of a wire cutting knife set; 4. a presser foot lifting mechanism; 41. lifting the presser foot rotating arm; 42. a rotating wheel; 5. a swing assembly; 51. a pin assembly; 52. a rolling sleeve; 53. an articulated arm; 54. a swing arm; 55. a waist-shaped hole; 56. a mounting block; 561. a coil spring post; 562. a reset coil spring; 563. a spring; 57. a linkage rod; 58. a tangent plane groove; 6. and lifting the presser foot cam.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. In addition, the embodiments of the present application and the features in the embodiments may be combined with each other without conflicting with each other.
The integrated transmission mechanism for lifting and trimming the presser foot on the herringbone sewing machine as shown in figures 1-5 comprises a sewing machine head 1 with a rotating shuttle main shaft 11, wherein the sewing machine head 1 is provided with a servo motor 2, and a trimming mechanism 3 and a presser foot lifting mechanism 4 which are driven to act by the servo motor 2;
the thread cutting mechanism 3 comprises a thread cutting cam 31 fixed on a main shaft of the servo motor 2 and a swinging component 5 driven by the thread cutting cam 31, the swinging component 5 is also connected with a pin component 51, the rotating shuttle main shaft 11 is provided with a swinging groove cam 12, the swinging groove cam 12 is provided with a wheel groove 13 for sliding the pin sub-component 51, when the end part of the pin component 51 is driven by the servo motor 2 to move into the wheel groove 13, the swinging groove cam 12 drives the pin component 51 to swing to drive a thread cutting cutter group structure 35 of the linked thread cutting mechanism 3 to act when rotating;
the presser foot lifting mechanism 4 comprises a presser foot lifting cam 6 arranged on the main shaft at the other side of the servo motor 2 and a presser foot lifting rotating arm 41 with a reset swinging function, and the presser foot lifting cam 6 is driven to rotate when the servo motor 2 rotates.
As a further arrangement of the above scheme, the wheel groove 13 provided on the swing groove cam 12 is shaped like a Chinese character 'ji', and the protruding direction is the axial direction of the rotating shuttle main shaft 11.
As a further arrangement of the above scheme, the end of the pin assembly 51 is hinged with a roller 52, the pin assembly 51 is driven by the swinging assembly 5 to enter and leave the wheel groove 13 of the swinging groove cam 12 to move, and the roller 52 is in rolling contact with the inner side wall of the wheel groove 13.
As a further arrangement of the above scheme, the swinging assembly 5 includes an articulated arm 53 matched with the wire cutting cam 31, a swinging arm 54 abutting against the articulated arm 53, the swinging arm 54 is hinged on a mounting block 56 with a waist-shaped hole 55, a linkage rod 57 is arranged at the other end of the swinging arm 54 opposite to the abutting against the articulated arm 53, and the pin assembly 51 is connected with the end of the linkage rod 57.
As a further arrangement of the scheme, the pin assembly 51 extends into the waist-shaped hole 55 and is driven by the swing arm 54 to move along the waist-shaped hole 55, the pin assembly 51 is in a column shape, a tangent plane groove 58 is arranged in the circumferential direction and is abutted against the inner wall of the waist-shaped hole 55, and the pin assembly is fixedly arranged in the circumferential direction relative to the mounting block 56.
As a further arrangement of the above scheme, the mounting block 56 is provided with a coil spring column 561 in an extending manner, a return coil spring 562 is sleeved on the coil spring column 561, and the coil spring column 561 is hinged with the sewing machine head 1.
As a further arrangement of the above, a spring 563 is further provided in the mounting block 56, and one end of the spring 563 abuts against the swing arm 54 and the other end abuts against the mounting block 56.
In the above-described embodiment, a rotating wheel 42 is interposed between the presser foot lifting arm 41 and the end of the presser foot lifting cam 6, and the rotating wheel 42 is provided in rolling contact with the presser foot lifting cam 6.
It should be noted that, the device of this embodiment may further be provided with a plurality of elastic structures including coil springs and spring designs to realize the reset of the swinging of each component, while the servo motor 2 of this embodiment has a main function for the thread cutting design, in that the action of pressing the pin assembly 51 into the wheel groove 13 of the swinging groove cam 12 is realized, and the movement action and movement stroke of the thread cutting mechanism 3 can be adjusted and changed by adjusting the size and shape of the cranium 13 of the swinging groove cam 12.
Working principle:
the herringbone sewing machine of the embodiment adopts a single servo motor 2 to realize the function control of lifting the presser foot and cutting the thread, as shown in figures 1-5, the two ends of the servo motor 2 of the embodiment are respectively connected with a thread cutting mechanism 3 and a presser foot lifting mechanism 4, and the presser foot lifting and cutting the thread is controlled by arranging corresponding cam pieces and matching with the abutting structure to realize the driving of the presser foot lifting and cutting the thread in the use process of the sewing machine through a plurality of transmission and hinging mechanisms;
the principle of lifting the presser foot: when the servo motor 2 is started, the presser foot lifting cam 6 is driven to rotate, the outer circumference of the presser foot lifting cam 6 is abutted against the presser foot lifting rotating arm 41, the presser foot lifting rotating arm 41 can be driven to swing through the circumferential rotation of the rotating presser foot lifting cam 6, so that the presser foot lifting mechanism 4 obtains driving force, and the presser foot lifting swinging arm 41 is provided with the rotating wheel 42 to enable the rotating wheel 42 to be in rolling fit with the presser foot lifting cam 6, so that the fit is smoother;
the principle of line cutting: the thread cutting mechanism 3 of the embodiment comprises a thread cutting cam 31 arranged on a main shaft of a servo motor 2, and is driven by the rotating force of the servo motor 2 to rotate, the thread cutting cam 31 pushes an articulated arm 53 which is arranged in an articulated manner on the basis of the thread cutting cam 31 to generate articulated swinging, and a swinging arm 54 is matched with the other end of the opposite thread cutting cam 31, the swinging arm 54 of the embodiment is hinged on a mounting block 56, the swinging arm 53 is driven to generate swinging, a linkage rod 57 is connected and arranged on the swinging arm 54, when the swinging arm 54 swings, the linkage rod 57 moves along with the swinging arm, and the pin assembly 51 is further limited by the structure of a tangent slot 58 of the pin assembly 51 and extends into a waist-shaped hole 55 of the mounting block 56, the pin assembly 51 and the linkage rod 57 are circumferentially fixed relative to the mounting block 56, and the pin assembly 51 moves along the extending direction of the waist-shaped hole 55 along with the movement of the linkage rod 57;
it should be noted that, on the basis of the above, the installation block 56 is further provided with a reset coil spring 562, as above, which essentially drives the pin assembly 51 to move along with the linkage rod 57 by the action of the servo motor 2, so that a section with the roller sleeve 52 is inserted into the swing operation cam 12 with the wheel groove 13 provided on the rotating shuttle spindle 11, so that the pin assembly 51 is driven to swing horizontally during the circumferential rotation of the rotating shuttle spindle 11 under the action of the wheel groove 13 structure based on several types, and the installation block 56 is correspondingly swung based on the arrangement of the waist-shaped hole 55 of the installation block 56 and the tangential groove 58 of the pin assembly 51, and the function of the reset coil spring 562 is that the installation block 56 is deformed at this time and provides the elastic reset function of the installation block 56 in the subsequent work;
it should be noted that, in the state where the servo motor 2 does not drive the swing arm 53 to swing, all the components which sequentially act are in the initial state, and at this time, the end of the pin assembly 51 is at a distance from the wheel groove 13, that is, the end of the pin assembly 51 is not located in the wheel groove 13, the apparatus at this time works normally, and the rotating shuttle spindle 11 rotates and the swing arm cam 12 is driven to rotate, so that the components are completely driven without interference with the thread cutting mechanism 3 until the next corresponding operation of the servo motor 2 is started.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (8)
1. The utility model provides a lift presser foot, cut integrative drive mechanism of line on herringbone sewing machine, includes sewing machine aircraft nose (1) that have rotating shuttle main shaft (11), its characterized in that: a servo motor (2) and a thread cutting mechanism (3) and a presser foot lifting mechanism (4) which are driven to act by the servo motor (2) are arranged on the sewing machine head (1);
the thread cutting mechanism (3) comprises a thread cutting cam (31) fixed on a main shaft of the servo motor (2) and a swinging assembly (5) driven by the thread cutting cam (31), the swinging assembly (5) is further connected with a pin assembly (51), a swinging groove cam (12) is arranged on the rotating shuttle main shaft (11), a wheel groove (13) for sliding the pin sub-assembly (51) is arranged on the swinging groove cam (12), and when the end part of the pin assembly (51) is driven by the servo motor (2) to move into the wheel groove (13), the swinging groove cam (12) drives the pin assembly (51) to swing so as to drive a thread cutting knife set structure (35) of the linked thread cutting mechanism (3) to act;
the presser foot lifting mechanism (4) comprises a presser foot lifting cam (6) arranged on the main shaft at the other side of the servo motor (2) and a presser foot lifting rotating arm (41) with a reset swinging function, and the presser foot lifting cam (6) is driven to rotate when the servo motor (2) rotates.
2. The integrated transmission mechanism for lifting and trimming presser foot and sewing machine of claim 1, wherein the integrated transmission mechanism is characterized in that: the wheel groove (13) arranged on the swinging groove cam (12) is shaped like a Chinese character 'ji', and the protruding direction of the wheel groove is the axial direction of the rotating shuttle main shaft (11).
3. The integrated transmission mechanism for lifting and trimming presser foot and sewing machine of claim 1, wherein the integrated transmission mechanism is characterized in that: the end part of the pin component (51) is hinged with a roller sleeve (52), the pin component (51) enters and exits the wheel groove (13) of the swing groove cam (12) to move under the driving of the swing component (5), and the roller sleeve (52) is in rolling abutting connection with the inner side wall of the wheel groove (13).
4. The integrated transmission mechanism for lifting and trimming presser foot and sewing machine of claim 1, wherein the integrated transmission mechanism is characterized in that: the swinging assembly (5) comprises a hinging arm (53) matched with the thread cutting cam (31), a swinging arm (54) is arranged on one section of the hinging arm (53) in a butt joint mode, the swinging arm (54) is hinged to a mounting block (56) with a waist-shaped hole (55), a linkage rod (57) is arranged at the other end, opposite to the hinging arm (53), of the swinging arm (54), and the pin assembly (51) is connected with the end portion of the linkage rod (57).
5. The integrated transmission mechanism for lifting and trimming presser foot and sewing machine of claim 4, wherein: the pin assembly (51) stretches into the waist-shaped hole (55) and is driven by the swing arm (54) to move along the waist-shaped hole (55), the pin assembly (51) is in a column shape, a tangent plane groove (58) is arranged in the circumferential direction and is abutted against the inner wall of the waist-shaped hole (55), and the opposite installation block (56) is fixedly arranged in the circumferential direction.
6. The integrated transmission mechanism for lifting and trimming a presser foot on a sewing machine of a herringbone vehicle according to claim 5, wherein: the mounting block (56) is provided with a coil spring column (561) in an extending mode, a reset coil spring (562) is sleeved on the coil spring column (561), and the coil spring column (561) is hinged to the sewing machine head (1).
7. The integrated transmission mechanism for lifting and trimming a presser foot on a sewing machine of a herringbone vehicle according to claim 5, wherein: a spring (563) is further arranged in the mounting block (56), one end of the spring (563) is abutted against the swing arm (54), and the other end of the spring is abutted against the mounting block (56).
8. The integrated transmission mechanism for lifting and trimming presser foot and sewing machine of claim 1, wherein the integrated transmission mechanism is characterized in that: the presser foot lifting rotating arm (41) and one end, close to the presser foot lifting cam (6), of the presser foot lifting rotating arm are connected with a rotating wheel (42), and the rotating wheel (42) is in rolling contact with the presser foot lifting cam (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321920806.3U CN220468339U (en) | 2023-07-20 | 2023-07-20 | Presser foot lifting and thread cutting integrated transmission mechanism on herringbone sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321920806.3U CN220468339U (en) | 2023-07-20 | 2023-07-20 | Presser foot lifting and thread cutting integrated transmission mechanism on herringbone sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220468339U true CN220468339U (en) | 2024-02-09 |
Family
ID=89778208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321920806.3U Active CN220468339U (en) | 2023-07-20 | 2023-07-20 | Presser foot lifting and thread cutting integrated transmission mechanism on herringbone sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220468339U (en) |
-
2023
- 2023-07-20 CN CN202321920806.3U patent/CN220468339U/en active Active
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