CN211713370U - Motor thread trimming mechanism of sewing machine - Google Patents
Motor thread trimming mechanism of sewing machine Download PDFInfo
- Publication number
- CN211713370U CN211713370U CN201922337267.0U CN201922337267U CN211713370U CN 211713370 U CN211713370 U CN 211713370U CN 201922337267 U CN201922337267 U CN 201922337267U CN 211713370 U CN211713370 U CN 211713370U
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- sewing machine
- motor
- thread trimming
- swing frame
- trimming mechanism
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Abstract
A motor thread trimming mechanism of a sewing machine. The main motor that has solved present trimming device and mostly adopted the main shaft drives the trimming, and overall structure is complicated, and moment is longer moreover, the not good problem of result of use. The method is characterized in that: the automatic cutter feeding mechanism is characterized in that a swing frame (21) is arranged on the rotating shaft, the movable cutter is installed on the swing frame, the outer wall of the shell corresponds to the movable cutter and is provided with a mounting plate (11), a power source (6) is installed on the mounting plate, and the power source drives the swing frame to rotate back and forth along the axis of the swing frame. The utility model provides a sewing machine's motor thread trimming mechanism sets up the power supply outside the casing and drives and move the sword and rotate, and moment is shorter, does not need complicated drive mechanism, and the result of use is better.
Description
Technical Field
The utility model relates to a sewing machine field, concretely relates to sewing machine's motor thread trimming mechanism.
Background
The sewing machine needs to cut the thread after finishing one sewing operation, namely, the thread connected between the needle and the sewing material is cut off. Traditional sewing machine itself does not have the trimming function, needs operating personnel to use scissors etc. to accomplish the trimming action, to the defect that artifical trimming exists, research and development personnel have increased the trimming function on sewing machine.
The existing thread trimming device of the sewing machine mostly adopts a motor of a main shaft to drive trimming, has a complex integral structure, longer moment and poor using effect.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of background art, the utility model provides a sewing machine's motor thread trimming mechanism has mainly solved the most motor that adopts the main shaft of present thread trimming device and has driven the thread trimming, and overall structure is complicated, and moment is longer moreover, the not good problem of result of use.
The utility model adopts the technical proposal that:
the utility model provides a sewing machine's motor thread trimming mechanism, includes the casing, be equipped with in the casing and drive pivoted pivot by spindle motor, rotating shuttle and moving the sword in the pivot, on the casing with it corresponds and is equipped with quiet sword to move the sword, be equipped with the swing span in the pivot, move the sword install in on the swing span, the casing outer wall with it corresponds and is equipped with the mounting panel to move the sword, install the power supply on the mounting panel, the power supply passes through drive mechanism and drives the swing span makes a round trip to rotate along swing span self axis.
The transmission mechanism comprises a transmission disc arranged on the mounting plate, the transmission disc is driven by the power source to rotate, a connecting rod is hinged to the eccentric position of the transmission disc, a long groove is formed in the outer wall of the shell, and one end of the connecting rod penetrates through the long groove to be connected with the swing frame.
The outer wall of the rotating shaft is connected with a positioning sleeve, and the swinging frame is sleeved outside the positioning sleeve.
The power source is a positive and negative rotation motor, the motor comprises a transmission rod, a gear rotating synchronously is arranged on the transmission rod, and the transmission disk is a gear disk meshed with the gear.
The connecting rod is an arc-shaped rod.
The shell is provided with a boss, and one end of the static knife is arranged on the boss and connected with the boss through a fastener.
The cover plate is detachably connected with the shell and abuts against the upper end face of the static knife.
The mounting panel with still be equipped with the reinforcing plate between the casing lateral wall.
The movable knife is connected with the swing frame through a screw.
The utility model has the advantages that: the utility model provides a sewing machine's motor thread trimming mechanism sets up the power supply outside the casing and drives and move the sword and rotate, and moment is shorter, does not need complicated drive mechanism, and the result of use is better.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is an internal schematic diagram of an embodiment of the present invention.
Fig. 3 is a partial perspective view of an embodiment of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings: as shown in the figure, a sewing machine's motor thread trimmer devices, includes casing 1, be equipped with in the casing and drive pivoted pivot 2 by spindle motor 91, rotating shuttle 3 in the pivot with move the sword 4, on the casing with it is equipped with quiet sword 5 to move the sword correspondence, be equipped with swing span 21 in the pivot, move the sword install in on the swing span, the casing outer wall with it is equipped with mounting panel 11 to move the sword correspondence, install power supply 6 on the mounting panel, the power supply passes through drive mechanism and drives the swing span makes a round trip to rotate along swing span self axis. The utility model provides a sewing machine's motor thread trimming mechanism sets up the power supply outside the casing and drives and move the sword and rotate, and moment is shorter, does not need complicated drive mechanism, and the result of use is better. The transmission mechanism can be a gear transmission mechanism or a belt transmission mechanism and the like, and preferably, the gear transmission mechanism is adopted, so that the running is more stable.
In this embodiment, as shown in the figure, the transmission mechanism includes a transmission disc 112 installed on the mounting plate, the transmission disc is driven by the power source to rotate, the eccentric position of the transmission disc is hinged with a connecting rod 113, the outer wall of the housing is provided with a long groove 12, and one end of the connecting rod penetrates through the long groove to be connected with the swing frame. The power source can be a positive and negative rotation motor, such as a servo motor and the like.
In this embodiment, as shown in the figure, the outer wall of the rotating shaft is connected with a positioning sleeve 22, and the swing frame is sleeved outside the positioning sleeve. The positioning sleeve can be fixedly connected with the rotating shaft through a screw 221, the swing frame is sleeved outside the positioning sleeve to realize rotation, and the axial limit of the swing frame can be limited by arranging retaining springs at the front end and the rear end.
In this embodiment, as shown in the figure, the power source is a forward and reverse rotation motor, the motor includes a transmission rod 61, a gear 62 rotating synchronously is arranged on the transmission rod, and the transmission disk is a gear disk engaged with the gear.
In this embodiment, the links are arcuate bars, as shown.
In this embodiment, as shown in the figure, a boss 13 is provided on the housing, and one end of the stationary knife is provided on the boss and connected to the boss through a fastener 9. The installation is firm.
In this embodiment, as shown in the figure, the device further includes a cover plate 15 detachably connected to the housing, and the cover plate abuts against the upper end surface of the stationary knife. The installation is more firm.
In this embodiment, a reinforcing plate 14 is also provided between the mounting plate and the side wall of the housing, as shown in the drawings. The strength is increased.
In this embodiment, the movable blade is connected to the swing frame by screws, as shown in the drawings. The disassembly and the assembly are convenient.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The embodiments described with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.
Claims (9)
1. The utility model provides a sewing machine's motor thread trimmer devices, includes casing (1), be equipped with in the casing and drive pivoted pivot (2) by spindle motor (91), rotating shuttle (3) and move sword (4) in the pivot, on the casing with move the sword and correspond and be equipped with quiet sword (5), its characterized in that: the automatic cutter feeding mechanism is characterized in that a swing frame (21) is arranged on the rotating shaft, the movable cutter is installed on the swing frame, the outer wall of the shell corresponds to the movable cutter and is provided with a mounting plate (11), a power source (6) is installed on the mounting plate, and the power source drives the swing frame to rotate back and forth along the axis of the swing frame.
2. The motor thread trimming mechanism of a sewing machine according to claim 1, wherein: the transmission mechanism comprises a transmission disc (112) installed on the installation plate, the transmission disc is driven by the power source to rotate, a connecting rod (113) is hinged to the eccentric position of the transmission disc, a long groove (12) is formed in the outer wall of the shell, and one end of the connecting rod penetrates through the long groove to be connected with the swing frame.
3. The motor thread trimming mechanism of a sewing machine according to claim 2, wherein: the outer wall of the rotating shaft is connected with a positioning sleeve (22), and the swinging frame is sleeved outside the positioning sleeve.
4. The motor thread trimming mechanism of a sewing machine according to claim 3, wherein: the power supply is a positive and negative rotation motor, the motor comprises a transmission rod (61), a gear (62) which rotates synchronously is arranged on the transmission rod, and the transmission disk is a gear disk which is meshed with the gear.
5. The motor thread trimming mechanism of a sewing machine according to claim 4, wherein: the connecting rod is an arc-shaped rod.
6. The motor thread trimming mechanism of a sewing machine according to claim 1, wherein: the shell is provided with a boss (13), and one end of the static knife is arranged on the boss and connected with the boss through a fastener (9).
7. The motor thread trimming mechanism of a sewing machine according to claim 6, wherein: the cutting tool further comprises a cover plate (15) detachably connected with the shell, and the cover plate abuts against the upper end face of the static cutter.
8. The motor thread trimming mechanism of a sewing machine according to claim 7, wherein: and a reinforcing plate (14) is also arranged between the mounting plate and the side wall of the shell.
9. The motor thread trimming mechanism of a sewing machine according to claim 8, wherein: the movable knife is connected with the swing frame through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922337267.0U CN211713370U (en) | 2019-12-24 | 2019-12-24 | Motor thread trimming mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922337267.0U CN211713370U (en) | 2019-12-24 | 2019-12-24 | Motor thread trimming mechanism of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211713370U true CN211713370U (en) | 2020-10-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922337267.0U Active CN211713370U (en) | 2019-12-24 | 2019-12-24 | Motor thread trimming mechanism of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211713370U (en) |
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2019
- 2019-12-24 CN CN201922337267.0U patent/CN211713370U/en active Active
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