CN217479716U - Rotating mechanism and sewing machine using same - Google Patents
Rotating mechanism and sewing machine using same Download PDFInfo
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- CN217479716U CN217479716U CN202221398986.9U CN202221398986U CN217479716U CN 217479716 U CN217479716 U CN 217479716U CN 202221398986 U CN202221398986 U CN 202221398986U CN 217479716 U CN217479716 U CN 217479716U
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- driving motor
- synchronous belt
- opening
- belt wheel
- mounting plate
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- 230000007246 mechanism Effects 0.000 title claims abstract description 51
- 238000009958 sewing Methods 0.000 title claims abstract description 25
- 230000001360 synchronised effect Effects 0.000 claims abstract description 70
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims description 10
- 230000005489 elastic deformation Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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Abstract
The utility model provides a rotating mechanism and a sewing machine using the rotating mechanism, relating to the technical field of sewing machines, wherein the rotating mechanism comprises a driving motor and a transmission component, the driving motor drives a machine head to rotate through the transmission component, and the transmission component is in belt transmission; the driving motor is provided with a first mounting plate and a second mounting plate, the first mounting plate is used for mounting the driving motor, and the second mounting plate is arranged at the tail end of an output shaft of the driving motor; all be provided with waist shape hole on first mounting panel and the second mounting panel for install on the aircraft nose casing, through adjusting the position of waist shape hole on the aircraft nose casing, thereby adjust transmission assembly's tensioning degree. The rotating mechanism is simple and portable in structure, facilitates the disassembly and the later maintenance of the synchronous belt wheel, and facilitates the tensioning adjustment of the synchronous belt.
Description
Technical Field
The disclosure relates to the technical field of sewing machines, in particular to a rotating mechanism and a sewing machine using the rotating mechanism.
Background
Sewing machines are commonly used sewing machines, which generally make use of one or more sewing threads to form one or more stitches in the material to be sewn, to interlace or stitch together one or more layers of material; the sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastic, paper and the like, and the sewed stitch is neat, beautiful, flat and firm, has high sewing speed and simple and convenient use, and is widely applied in the sewing industry.
At present, sewing machine passes through belt drive by driving motor usually and drives the aircraft nose rotatory, and among the prior art, the mount pad for connecting driving motor and synchronous pulley sets up to the integral type structure usually, makes synchronous pulley's installation convenient inadequately, and later maintenance is comparatively inconvenient, and this type of structure volume is great, and is light inadequately, and it is big to add man-hour material loss, and the cost is higher, and this type of structure makes the tensioning to the hold-in range adjust convenient inadequately, and the result of use is not good.
SUMMERY OF THE UTILITY MODEL
The utility model discloses in order to prior art, be used for connecting driving motor and synchronous pulley's mount pad among sewing machine's the rotary mechanism, it is not convenient enough when dismouting synchronous pulley, and to the tensioning of hold-in range adjust convenient problem inadequately, provide a rotary mechanism and use this rotary mechanism's sewing machine, its simple structure, light, be convenient for install synchronous pulley, and be convenient for adjust the rate of tension of hold-in range.
One of the concepts of the present disclosure lies in that the rotating mechanism is provided with a first mounting plate at the mounting position of the driving motor, and a second mounting plate at the end of the output shaft of the driving motor for mounting and connecting the driving motor, the structure is simple, the weight of the motor mounting seat is greatly reduced, and the structure is also very convenient when the synchronous pulley is dismounted, and the maintenance in the later period is also convenient.
Another idea of the present disclosure is that the first mounting plate and the second mounting plate are both provided with a waist-shaped hole, the first mounting plate and the second mounting plate can be mounted on the handpiece housing through the waist-shaped hole, and the tensioning degree of the synchronous belt can be adjusted by adjusting the position of the waist-shaped hole on the handpiece housing.
The rotary mechanism comprises a driving motor and a transmission assembly, wherein the driving motor drives a machine head to rotate through the transmission assembly, and the transmission assembly is in belt transmission; the driving motor is provided with a first mounting plate and a second mounting plate, the first mounting plate is used for mounting the driving motor, and the second mounting plate is arranged at the tail end of an output shaft of the driving motor; all be provided with waist shape hole on first mounting panel and the second mounting panel for install on the aircraft nose casing, through adjusting the position of waist shape hole on the aircraft nose casing, thereby adjust drive assembly's tensioning degree.
In some embodiments, the side of the first mounting plate is provided with an adjusting bolt, the axis direction of the adjusting bolt is consistent with the tensioning adjusting direction of the transmission assembly, and the adjusting bolt is convenient for adjusting the position of the waist-shaped hole on the first mounting plate on the handpiece shell, so that the tensioning adjustment of the transmission assembly is more accurate and labor-saving.
In some embodiments, the first mounting plate is coupled to the output shaft of the drive motor via a first bearing, thereby reducing friction between the output shaft of the drive motor and the first mounting plate.
In some embodiments, the second mounting plate is coupled to the end of the output shaft of the drive motor by a second bearing, thereby reducing friction between the output shaft of the motor and the second mounting plate.
In some embodiments, the transmission assembly comprises a first synchronous pulley, a second synchronous pulley and a synchronous belt for connecting the first synchronous pulley and the second synchronous pulley, the first synchronous pulley is connected with an output shaft of the driving motor, and the second synchronous pulley is used for connecting the handpiece.
In some embodiments, the first synchronous pulley is provided with mounting portions at two ends, the mounting portions are of circular ring structures, and first pin holes are formed in the mounting portions and are arranged along the radial direction of the mounting portions.
In some embodiments, the mounting portion of the first synchronous pulley is provided with an opening structure for increasing the elastic deformation thereof.
In some embodiments, the opening structure includes a first opening and a second opening, the first opening is a semicircular ring structure and is arranged along the circumferential direction of the mounting portion, and the first opening is located on one side of the mounting portion close to the first synchronous pulley; the second opening sets up along the axial of installation department, and is located first open-ended middle part position, and the second opening makes the terminal surface and the first opening part intercommunication of installation department.
In some embodiments, the first synchronous pulley is provided with a clamping member, the clamping member is in a ring structure with an opening, the clamping member is arranged at the mounting part of the first synchronous pulley, and the first synchronous pulley and the output shaft of the driving motor can be clamped through a bolt.
In some embodiments, a second pin hole is arranged on the clamping piece, and the second pin hole is arranged on the side surface of the clamping piece and is arranged along the radial direction of the clamping piece; the clamping piece is also provided with a threaded hole, the threaded hole is positioned on the end face of the clamping piece, is arranged along the axial direction of the clamping piece and penetrates through the second pin hole; the second pin hole is connected with the first pin hole through a pin shaft and is fastened through a bolt from the threaded hole.
In some embodiments, the second synchronous pulley is connected with the machine head through a third bearing, so that the friction force generated when the machine head rotates is reduced, and the service life of the machine head is prolonged.
The utility model provides a sewing machine, including frame, aircraft nose casing, aircraft nose and rotary mechanism, the end connection of aircraft nose casing and frame, rotary mechanism is connected with the aircraft nose casing, the aircraft nose is connected with rotary mechanism.
Compared with the prior art, the rotary mechanism and the sewing machine using the same have the advantages that the structure is simple, the production cost is low, the synchronous belt wheel is convenient to disassemble and assemble, the later maintenance is convenient, and meanwhile, the synchronous belt tensioning is also very convenient to adjust.
Drawings
The present disclosure will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and therefore should not be taken as limiting the scope of the present disclosure. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on the concept of a composition or construction of the object being described and may include exaggerated displays and are not necessarily drawn to scale.
FIG. 1: the structure schematic diagram of a rotary mechanism provided by the present disclosure;
FIG. 2: the structural schematic diagram of a sewing machine using the rotating mechanism is provided by the present disclosure;
FIG. 3: the internal structure schematic diagram of a sewing machine using the rotating mechanism provided by the present disclosure;
FIG. 4 is a schematic view of: the present disclosure provides a schematic view of a partial structure of a rotating mechanism;
FIG. 5 is a schematic view of: the present disclosure provides a schematic view of a partial structure of a rotating mechanism;
FIG. 6: the present disclosure provides a schematic view of a transmission assembly of a rotary mechanism;
FIG. 7 is a schematic view of: the present disclosure provides a schematic view of a first synchronous pulley structure of a rotating mechanism;
FIG. 8: the first synchronous pulley and the clamping piece of the rotating mechanism provided by the disclosure are schematically structured;
wherein, 1, driving a motor; 2. a transmission assembly; 21. a first timing pulley; 210. an installation part; 211. a first pin hole; 212. a first opening; 213. a second opening; 22. a second timing pulley; 23. a synchronous belt; 3. a first mounting plate; 301. adjusting the bolt; 4. a second mounting plate; 5. a machine head; 601. a first bearing; 602. a second bearing; 603. a third bearing; 7. a clamping member; 701. a second pin hole; 702. a threaded hole; 8. a handpiece housing; 9. and a frame.
Detailed Description
The present disclosure is described in detail below with reference to the attached drawing figures.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present disclosure is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the disclosure and are not intended to limit the disclosure.
It will be understood by those skilled in the art that in the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, which 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 therefore, the above terms are not to be construed as limiting the invention.
As shown in fig. 1 to 8, the present disclosure provides a rotating mechanism, which is described in detail as follows:
as shown in fig. 1 and 2, the rotating mechanism includes a driving motor 1 and a transmission assembly 2, the driving motor 1 drives a machine head 5 to rotate through the transmission assembly 2, and the transmission mode of the transmission assembly 2 is belt transmission; the driving motor 1 is provided with a first mounting plate 3 and a second mounting plate 4, the first mounting plate 3 is located at a mounting hole position of the driving motor 1 and used for mounting the driving motor 1, the second mounting plate 4 is arranged at the tail end of an output shaft of the driving motor 1, and the stability of the output shaft of the driving motor 1 can be improved due to the arrangement of the second mounting plate 4; waist-shaped holes are formed in the first mounting plate 3 and the second mounting plate 4, the first mounting plate 3 and the second mounting plate 4 can be mounted on the machine head shell 8 through the waist-shaped holes, and the tensioning degree of belt transmission can be adjusted by adjusting the positions of the waist-shaped holes on the machine head shell 8; in addition, the first mounting plate 3 and the second mounting plate 4 are arranged, so that the weight of the rotating mechanism is greatly reduced, the weight of the machine head 5 is lighter, the production cost is reduced, and the machine head 5 can be more stable during use.
Further, as shown in fig. 1 and 3, the side of first mounting panel 3 is provided with adjusting bolt 301, and the installation department of first mounting panel 3 in aircraft nose casing 8 also is provided with the regulation hole with adjusting bolt 301 matched with, adjusting bolt 301's axis direction is unanimous with drive assembly 2's tensioning direction of regulation, through adjusting bolt 301, the position of waist shape hole on aircraft nose casing 8 on the first mounting panel 3 of adjustment that can be more convenient to adjust drive assembly 2's tensioning degree, make the tensioning adjust more accurately, laborsaving.
Further, as shown in fig. 4 and 5, the first mounting plate 3 is connected to the output shaft of the driving motor 1 through a first bearing 601, and the second mounting plate 4 is connected to the end of the output shaft of the driving motor 1 through a second bearing 602, so as to reduce the friction between the output shaft of the motor and the first and second mounting plates 3 and 4, and improve the durability of the rotating mechanism.
Further, as shown in fig. 6, the transmission assembly 2 includes a first synchronous pulley 21, a second synchronous pulley 22, and a synchronous belt 23 for connecting the first synchronous pulley 21 and the second synchronous pulley 22, the first synchronous pulley 21 is connected to an output shaft of the driving motor 1, and the second synchronous pulley 22 is used for connecting the handpiece 5, it can be understood that, in this embodiment, the first synchronous pulley 21 connected to the driving motor 1 is a driving pulley, the second synchronous pulley 22 connected to the handpiece 5 is a driven pulley, and the driving motor 1 drives the handpiece 5 to rotate through the transmission of the synchronous belt 23.
Further, as shown in fig. 7, mounting portions 210 are provided at two ends of the first synchronous pulley 21, the mounting portions 210 are of circular ring structures, first pin holes 211 are provided on the mounting portions 210, and the first pin holes 211 are provided along a radial direction of the mounting portions 210; the mounting portion 210 of the first synchronous pulley 21 is further provided with an opening structure for increasing the elastic deformation of the first synchronous pulley, so that the first synchronous pulley 21 can be mounted on the output shaft of the driving motor 1 and can be clamped by other fasteners.
Furthermore, the opening structure includes a first opening 212 and a second opening 213, the first opening 212 is a semicircular ring structure and is disposed along the circumferential direction of the mounting portion 210, and the first opening 212 is located on one side of the mounting portion 210 close to the first synchronous pulley 21; the second opening 213 is disposed along the axial direction of the mounting portion 210 and located in the middle of the first opening 212, and the second opening 213 connects the end surface of the mounting portion 210 with the first opening 212. In this embodiment, in order to make the mounting portions 210 disposed at the two ends of the first synchronous pulley 21 more structurally stable, the opening directions of the first opening 212 and the second opening 213 on the mounting portions 210 at the upper and lower ends of the first synchronous pulley 21 are opposite, so that the first synchronous pulley 21 is more smoothly mounted and the structural stability is higher.
Further, as shown in fig. 8, a clamping member 7 is mounted on the first synchronous pulley 21, the first synchronous pulley 21 is clamped and fixed with the output shaft of the driving motor 1 through the clamping member 7, the clamping member 7 is in a circular ring structure with an opening, two sides of the opening are respectively provided with a bolt through hole and a tooth hole which are matched with each other, the clamping member 7 is mounted at the mounting portion 210 of the first synchronous pulley 21, and the clamping member can be fastened through a bolt, so that the first synchronous pulley 21 is clamped with the output shaft of the driving motor 1.
Furthermore, a second pin hole 701 is formed in the clamping member 7, and the second pin hole 701 is located on a side surface of the clamping member 7 and is arranged along the radial direction of the clamping member 7; the clamping piece 7 is further provided with a threaded hole 702, the threaded hole 702 is located on the end face of the clamping piece 7, is arranged along the axial direction of the clamping piece 7 and penetrates through the second pin hole 701; the second pin hole 701 can be connected with the first pin hole 211 through a pin shaft and fastened through a bolt from the threaded hole 702, so that the clamping member 7 and the first synchronous pulley 21 have the functions of limiting and preventing vibration. It can be understood that, in order to prevent the bolt for fastening the pin shaft from interfering with other components, in the present embodiment, a headless screw, also called a merry-go-screw or a jack screw, is used, and here, for the sake of convenience of installation, the clamping members 7 mounted on the upper and lower sides of the first timing pulley 21 have the mounting direction of the threaded holes 702 thereof directed toward the outside of the first timing pulley 21.
Further, as shown in fig. 1, in order to reduce the friction force when the head 5 rotates, the second synchronous pulley 22 is connected to the head 5 through a third bearing 603, so that the friction force between the head 5 and the second synchronous pulley 22 is reduced, the durability is improved, and the service life is prolonged.
Based on the foregoing embodiments, the present disclosure provides a sewing machine, which is described in detail as follows:
as shown in fig. 2 and fig. 3, the sewing machine includes a frame 9, a head housing 8, a head 5 and a rotating mechanism, the head housing 8 is connected to an end of the frame 9, the rotating mechanism is connected to the head housing 8, a part of the structure of the rotating mechanism is disposed in the head housing 8, the first mounting plate 3 and the second mounting plate 4 in the rotating mechanism are connected to the head housing 8, the third bearing 603 in the rotating mechanism is connected to the head housing 8, the head 5 is connected to the third bearing 603 in the rotating mechanism, and the sewing machine drives the head 5 to rotate through the rotating mechanism.
Compared with the prior art, the rotary mechanism and the sewing machine using the same have the advantages of simple and light structure, convenience in disassembly and later maintenance of the synchronous belt wheel, and convenience in adjusting the tensity of the synchronous belt.
The present disclosure has been described in detail above, and the principles and embodiments of the present disclosure have been explained herein using specific examples, which are provided only to assist understanding of the present disclosure and the core concepts. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present disclosure without departing from the principle of the present disclosure, and such improvements and modifications also fall within the scope of the claims of the present disclosure.
Claims (11)
1. A rotary mechanism characterized by: the rotating mechanism comprises a driving motor and a transmission assembly, wherein the driving motor drives the machine head to rotate through the transmission assembly, and the transmission assembly is in belt transmission; the driving motor is provided with a first mounting plate and a second mounting plate, the first mounting plate is used for mounting the driving motor, and the second mounting plate is arranged at the tail end of an output shaft of the driving motor; all be provided with waist shape hole on first mounting panel and the second mounting panel for install on the aircraft nose casing, through adjusting the position of waist shape hole on the aircraft nose casing, thereby adjust transmission assembly's tensioning degree.
2. A rotary mechanism according to claim 1, wherein: the side of first mounting panel is provided with adjusting bolt, adjusting bolt's axis direction is unanimous with the tensioning direction of hold-in range, adjusting bolt is used for adjusting the position of waist shape hole on the aircraft nose casing.
3. A rotary mechanism according to claim 1, wherein: the first mounting plate is connected with an output shaft of the driving motor through a first bearing; and the second mounting plate is connected with the tail end of the output shaft of the driving motor through a second bearing.
4. A rotary mechanism according to claim 1, wherein: the transmission assembly comprises a first synchronous belt wheel, a second synchronous belt wheel and a synchronous belt used for connecting the first synchronous belt wheel and the second synchronous belt wheel, the first synchronous belt wheel is connected with an output shaft of the driving motor, and the second synchronous belt wheel is used for connecting the machine head.
5. A rotary mechanism according to claim 4, wherein: the two ends of the first synchronous belt wheel are provided with installation parts, the installation parts are of annular structures, first pin holes are formed in the installation parts, and the first pin holes are arranged along the radial direction of the installation parts.
6. A rotary mechanism according to claim 5, wherein: and an opening structure for increasing the elastic deformation of the first synchronous belt wheel is arranged on the mounting part of the first synchronous belt wheel.
7. A rotary mechanism according to claim 6, wherein: the opening structure comprises a first opening and a second opening, the first opening is of a semicircular structure and is arranged along the circumferential direction of the mounting part, and the first opening is positioned on one side, close to the first synchronous belt pulley, of the mounting part; the second opening is arranged along the axial direction of the mounting part and is positioned in the middle of the first opening, and the second opening enables the end face of the mounting part to be communicated with the first opening.
8. A rotary mechanism according to claim 5, wherein: the clamping piece is arranged on the first synchronous belt wheel and is of a circular ring structure with an opening, the clamping piece is arranged at the mounting part of the first synchronous belt wheel, and the first synchronous belt wheel and the output shaft of the driving motor can be clamped through a bolt.
9. A rotary mechanism according to claim 8, wherein: the clamping piece is provided with a second pin hole, and the second pin hole is positioned on the side surface of the clamping piece and arranged along the radial direction of the clamping piece; the clamping piece is also provided with a threaded hole, the threaded hole is positioned on the end face of the clamping piece, is arranged along the axial direction of the clamping piece and penetrates through the second pin hole; the second pin hole can be connected with the first pin hole through a pin shaft and is fastened through a bolt from the threaded hole.
10. A rotary mechanism according to claim 4, wherein: and the second synchronous belt wheel is connected with the machine head through a third bearing.
11. A sewing machine characterized in that: the automatic cutting machine comprises a rack, a machine head shell and a machine head, wherein the machine head shell is connected with the end part of the rack; the sewing machine further comprises a rotating mechanism as claimed in any one of claims 1 to 10, said rotating mechanism being connected to the head housing, said head being connected to the rotating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221398986.9U CN217479716U (en) | 2022-06-02 | 2022-06-02 | Rotating mechanism and sewing machine using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221398986.9U CN217479716U (en) | 2022-06-02 | 2022-06-02 | Rotating mechanism and sewing machine using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217479716U true CN217479716U (en) | 2022-09-23 |
Family
ID=83313602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221398986.9U Ceased CN217479716U (en) | 2022-06-02 | 2022-06-02 | Rotating mechanism and sewing machine using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217479716U (en) |
-
2022
- 2022-06-02 CN CN202221398986.9U patent/CN217479716U/en not_active Ceased
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20230905 Decision number of declaring invalidation: 562833 Granted publication date: 20220923 |
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| IW01 | Full invalidation of patent right |