CN109680422B - Rotatable top of computer head - Google Patents
Rotatable top of computer head Download PDFInfo
- Publication number
- CN109680422B CN109680422B CN201910092041.0A CN201910092041A CN109680422B CN 109680422 B CN109680422 B CN 109680422B CN 201910092041 A CN201910092041 A CN 201910092041A CN 109680422 B CN109680422 B CN 109680422B
- Authority
- CN
- China
- Prior art keywords
- driving
- upper shaft
- presser foot
- machine shell
- machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B55/00—Needle holders; Needle bars
- D05B55/14—Needle-bar drives
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/02—Presser-control devices
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/02—Mechanical drives
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/14—Devices for changing speed or for reversing direction of rotation
- D05B69/16—Devices for changing speed or for reversing direction of rotation mechanical
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B73/00—Casings
- D05B73/02—Upper casings
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Surgical Instruments (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a rotatable upper machine head, which comprises: the needle bar machine needle assembly mounting device comprises a machine shell, an upper shaft driving motor, an upper shaft transmission mechanism, a large presser foot assembly and an upper rotary driving part, wherein the upper shaft transmission mechanism and the large presser foot assembly are arranged on the outer side of the machine shell, a needle bar machine needle assembly is mounted in the machine shell, the upper shaft driving motor is used for driving the needle bar machine needle assembly to work through the upper shaft transmission mechanism, the upper rotary driving part is arranged on the upper portion of the machine shell and used for driving the machine shell to rotate in a horizontal plane, and the rotary central line of the machine shell passes through the center of. The large presser foot assembly and the upper shaft transmission mechanism are integrated on the outer side of the shell, so that the upper machine head is more compact, the center of gravity is concentrated, the rotation of the upper machine head is facilitated, and the condition that the upper machine head swings during working is avoided.
Description
Technical Field
The invention relates to the technical field of sewing machines, in particular to a rotatable upper machine head.
Background
With the development of electromechanical technology, a template machine with a rotatable upper head gradually appears. For example, CN 103981649B-upper head of the independent driving rotary automatic sewing machine, which is a structure that the upper section is independently driven.
Although the upper machine head can be of an independent driving structure, the upper machine head cannot rotate quickly due to the problems of structural gravity center offset and the like of motor offset, an external large presser foot and the like. In addition, the motor occupies space due to offset and the like, and structures such as a wire poking structure cannot be installed.
Therefore, how to provide an upper machine head with centralized center and compact structure to improve the stability of rotation thereof is a technical problem that needs to be solved by those skilled in the art at present.
Disclosure of Invention
In view of this, the present invention provides a rotatable upper machine head, which can effectively improve the stability of the rotation of the upper machine head.
In order to achieve the purpose, the invention provides the following technical scheme:
a rotatable upper handpiece, comprising: the needle bar machine needle assembly mounting device comprises a machine shell, an upper shaft driving motor, an upper shaft transmission mechanism, a large presser foot assembly and an upper rotation driving component, wherein the upper shaft transmission mechanism and the large presser foot assembly are arranged on the outer side of the machine shell, a needle bar machine needle assembly is mounted in the machine shell, the upper shaft driving motor is used for driving the needle bar machine needle assembly to work through the upper shaft transmission mechanism, the upper rotation driving component is arranged on the upper portion of the machine shell and used for driving the machine shell to rotate in a horizontal plane, and a rotation center line of the machine shell passes through the center of gravity of the machine shell, the upper shaft transmission mechanism and the large.
Preferably, a housing for accommodating the upper shaft driving motor is arranged above the casing, a rotating shaft is arranged above the housing, and the rotating shaft is connected with the upper rotating driving part.
Preferably, the lower end of the rotating shaft is fixed on the upper part of the shell through a mounting flange.
Preferably, the upper shaft driving motor is disposed at an outer side of the housing.
Preferably, the upper shaft transmission mechanism comprises a driving synchronizing wheel, an upper shaft synchronizing wheel and a synchronizing belt, the driving synchronizing wheel is mounted on an output shaft of the upper shaft driving motor, the upper shaft synchronizing wheel is mounted on the upper shaft, and the driving synchronizing wheel is connected with the upper shaft synchronizing wheel through the synchronizing belt.
Preferably, a side surface of the housing is provided with a tension pulley for tensioning the timing belt.
Preferably, the wire drawing assembly is arranged at the bottom of the side surface of the machine shell.
Preferably, the upper shaft transmission mechanism and the large presser foot component are respectively arranged on two sides of the machine shell, the large presser foot component comprises a large presser foot, a connecting rod, a panel and a driving cylinder, a cavity for accommodating the driving cylinder is arranged in the panel, the upper end of the connecting rod is connected with the driving cylinder, the lower end of the connecting rod penetrates through the panel to be connected with the large presser foot, the driving cylinder is used for driving the connecting rod to drive the large presser foot to move up and down, a first mounting opening is arranged on one side of the panel, and a second mounting opening in butt joint with the first mounting opening is arranged on one side face of the machine shell.
Preferably, the upper shaft transmission mechanism and the large presser foot component are arranged at the same side of the machine shell, the large presser foot component comprises a large presser foot, a connecting part and an installation shell, a lifting power part is arranged in the installation shell, the lifting power part is connected with the large presser foot through the connecting part, the lifting power part is used for controlling the large presser foot to move up and down, and the installation shell is detachably connected to the machine shell.
Compared with the prior art, the technical scheme has the following advantages:
the invention provides a rotatable upper machine head, which comprises: the needle bar machine needle assembly mounting device comprises a machine shell, an upper shaft driving motor, an upper shaft transmission mechanism, a large presser foot assembly and an upper rotary driving part, wherein the upper shaft transmission mechanism and the large presser foot assembly are arranged on the outer side of the machine shell, a needle bar machine needle assembly is mounted in the machine shell, the upper shaft driving motor is used for driving the needle bar machine needle assembly to work through the upper shaft transmission mechanism, the upper rotary driving part is arranged on the upper portion of the machine shell and used for driving the machine shell to rotate in a horizontal plane, and the rotary central line of the machine shell passes through the center of. The large presser foot assembly and the upper shaft transmission mechanism are integrated on the outer side of the shell, so that the upper machine head is more compact, the center of gravity is concentrated, the rotation of the upper machine head is facilitated, and the condition that the upper machine head swings during working is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of a front portion of a rotatable upper handpiece in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of a rotatable upper handpiece rear portion according to one embodiment of the present invention;
FIG. 3 is a schematic view of a large presser foot assembly of a rotatable upper head according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an offset upper shaft motor of a rotatable upper handpiece in accordance with an embodiment of the present invention;
FIG. 5 is a schematic view of a rear large presser foot assembly of a rotatable upper head according to an embodiment of the present invention;
fig. 6 is a schematic view of a rear structure of a large presser foot assembly of a rotatable upper head provided in a rear position according to an embodiment of the present invention.
The reference numbers are as follows:
the device comprises a shell 1, an upper shaft driving motor 2, a large presser foot assembly 3, a large presser foot 31, a connecting rod 32, a panel 33, a driving cylinder 34, a connecting part 35, an installation shell 36, an upper rotary driving part 4, a rotary motor 41, a speed change mechanism 42, a mounting flange 43, a conducting ring 44, a wire shifting assembly 5, a shell 6, a driving synchronizing wheel 7, a synchronous belt 8, a hand wheel 9, an upper shaft synchronizing wheel 10 and a tension wheel 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram illustrating a front portion of a rotatable upper handpiece according to an embodiment of the present invention; FIG. 2 is a schematic view of a rotatable upper handpiece rear portion according to one embodiment of the present invention; FIG. 3 is a schematic view of a large presser foot assembly of a rotatable upper head according to an embodiment of the present invention;
the embodiment of the invention provides a rotatable upper machine head, which comprises: the needle bar machine comprises a machine shell 1, an upper shaft driving motor 2, an upper shaft transmission mechanism, a large presser foot assembly 3 and an upper rotary driving component 4, wherein the upper shaft transmission mechanism and the large presser foot assembly 3 are arranged on the outer side of the machine shell 1, a needle bar machine needle assembly is arranged in the machine shell 1, the upper shaft driving motor 2 is used for driving the needle bar machine needle assembly to work through the upper shaft transmission mechanism, the prior art can be referred to for the work of the needle bar machine needle assembly, the upper rotary driving component 4 is arranged on the upper portion of the machine shell 1 and is used for driving the machine shell 1 to rotate in a horizontal plane, and the rotary central line of the machine shell 1 passes through the gravity. The large presser foot component 3 and the upper shaft transmission mechanism are integrated on the outer side of the machine shell 1, so that the upper machine head is more compact, the center of gravity is concentrated, the rotation of the upper machine head is facilitated, and the condition that the upper machine head swings during working is avoided.
Specifically, a housing 6 for accommodating the upper shaft driving motor 2 is provided above the casing 1, and a rotating shaft is provided above the housing 6, and the rotating shaft is connected to the upper rotation driving part 4. Wherein, the upper shaft driving motor 2 is arranged in the shell 6 above the machine shell 1, so that the upper rotary driving part 4 drives the machine shell 1 to rotate through the rotating shaft.
Specifically, the lower end of the rotating shaft is fixed to the upper portion of the housing 6 by a mounting flange 43. The upper rotation driving component 4 preferably includes a rotation motor 41 and a speed change mechanism 42, the speed change mechanism 42 is respectively connected to the rotation motor 41 and the rotation shaft, and the rotation motor 41 can drive the rotation shaft to rotate in the horizontal plane through the speed change mechanism 42, so as to drive the casing 1 and the related components connected thereto to rotate. In addition, the upper end of the shaft is provided with a conductive ring 44.
As shown in fig. 4, fig. 4 is a schematic structural diagram of an upper shaft motor of a rotatable upper handpiece according to an embodiment of the present invention when offset, and the upper shaft driving motor 2 is disposed outside the housing 1. That is, the upper shaft driving motor 2 may be installed in an offset manner, which is advantageous for shortening the distance between the upper rotation driving part 4 and the casing 1, thereby facilitating the transmission of power.
Further, the upper shaft transmission mechanism comprises a driving synchronizing wheel 7, an upper shaft synchronizing wheel 10 and a synchronous belt 8, the driving synchronizing wheel 7 is installed on an output shaft of the upper shaft driving motor 2, the upper shaft synchronizing wheel 10 is installed on an upper shaft, wherein a hand wheel 9 is further arranged at the tail end of the upper shaft synchronizing wheel 10, the driving synchronizing wheel 7 is connected with the upper shaft synchronizing wheel 10 through the synchronous belt 8, and the transmission ratio is 1: 1. the upper shaft driving motor 2 drives the driving synchronizing wheel 7, drives the upper shaft synchronizing wheel 10 through the synchronizing belt 8, further drives the upper shaft to rotate, and finally drives the needle assembly of the needle rod machine to work.
Specifically, the side surface of the casing 1 is provided with a tension pulley 11 for tensioning the timing belt 8. The power transmission stability is advantageously ensured by the tensioning wheel 11.
Further, the wire drawing component 5 is arranged at the bottom of the side surface of the machine shell 1. By arranging the upper shaft driving motor 2 in top, the side part of the machine shell 1 has enough space for installing the wire pulling assembly 5, thereby further improving the integration level of the upper machine head.
In an embodiment of the present invention, the upper shaft transmission mechanism and the large presser foot assembly 3 are respectively disposed at two sides of the housing 1, the large presser foot assembly 3 includes a large presser foot 31, a connecting rod 32, a panel 33 and a driving cylinder 34, a chamber for accommodating the driving cylinder 34 is disposed in the panel 33, an upper end of the connecting rod 32 is connected to the driving cylinder 34, a lower end of the connecting rod passes through the panel 33 and is connected to the large presser foot 31, the driving cylinder 34 is used for driving the connecting rod 32 to drive the large presser foot 31 to move up and down, a first mounting opening is disposed at one side of the panel 33, and a second mounting opening in butt joint with the first mounting opening is disposed. It will be appreciated that the panel 33 not only serves to carry the relevant components of the large presser foot 31, but also serves as an end cover, and can be integrally removed and installed via the large presser foot assembly 3, thereby facilitating assembly and maintenance. The large presser foot assembly 3 and the upper shaft transmission mechanism are positioned on different sides of the machine shell 1, namely the large presser foot assembly 3 is arranged in a front-mounted mode.
The two can also be arranged on the same side, that is, the large presser foot assembly 3 is mounted in a rear position, and as shown in fig. 5 and 6, fig. 5 is a schematic structural view of the rotatable upper machine head large presser foot assembly provided by an embodiment of the present invention in a rear position; fig. 6 is a schematic diagram of a rear structure of a large presser foot assembly of a rotatable upper machine head when the large presser foot assembly is set back according to a specific embodiment of the present invention, the upper shaft transmission mechanism and the large presser foot assembly are disposed on the same side of the machine shell 1, the large presser foot assembly includes a large presser foot 31, a connecting portion 35 and a mounting shell 36, a lifting power portion is disposed in the mounting shell 36, the lifting power portion is connected with the large presser foot 31 through the connecting portion 35, the lifting power portion 36 is used for controlling the large presser foot 31 to move up and down, and the mounting shell 36 is detachably connected to the machine shell 1. Specifically, an installation space may be provided at the lower portion of the rear side of the casing 1, and the installation surface of the installation shell 36 may not be coplanar with the installation surface of the upper shaft transmission mechanism, that is, the rear portion of the casing 1 is of a stepped structure, the upper shaft transmission mechanism is installed on the stepped surface near the outer side, and the installation shell 36 is fixed on the stepped surface near the inner side. Wherein install through regarding big presser foot subassembly as an independent whole subassembly, be favorable to improving the convenience of its dismouting, in addition through rearmounted big presser foot subassembly, can not influence operating space such as threading of casing front side.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The rotatable upper handpiece provided by the present invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (5)
1. A rotatable upper handpiece, comprising: the needle bar machine needle assembly is arranged in the machine shell, the upper shaft driving motor is used for driving the needle bar machine needle assembly to work through the upper shaft driving mechanism, the upper rotating driving component is arranged at the upper part of the machine shell and is used for driving the machine shell to rotate in a horizontal plane, the rotating central line of the machine shell passes through the gravity center of the machine shell, the upper shaft driving mechanism and the large presser foot assembly, a shell used for accommodating the upper shaft driving motor is arranged above the machine shell, a rotating shaft is arranged above the shell and is connected with the upper rotating driving component, the thread shifting assembly is arranged at the bottom of the side surface of the machine shell, and the upper shaft driving mechanism and the large presser foot assembly are respectively arranged at two sides of the machine shell, the large presser foot component comprises a large presser foot, a connecting rod, a panel and a driving cylinder, wherein a cavity for accommodating the driving cylinder is arranged in the panel, the upper end of the connecting rod is connected with the driving cylinder, the lower end of the connecting rod penetrates through the panel to be connected with the large presser foot, the driving cylinder is used for driving the connecting rod to drive the large presser foot to move up and down, a first mounting opening is formed in one side of the panel, and a second mounting opening in butt joint with the first mounting opening is formed in one side face of the casing.
2. The rotatable upper handpiece of claim 1, wherein the lower end of the shaft is secured to the upper portion of the housing by a mounting flange.
3. The rotatable upper handpiece of claim 1, wherein the upper shaft drive motor is disposed outside of the housing.
4. The upper rotatable head as set forth in claim 1, wherein the upper shaft transmission mechanism includes a driving synchronizing wheel and an upper shaft synchronizing wheel, and a synchronizing belt, the driving synchronizing wheel is mounted on an output shaft of the upper shaft driving motor, the upper shaft synchronizing wheel is mounted on an upper shaft, and the driving synchronizing wheel is connected with the upper shaft synchronizing wheel through the synchronizing belt.
5. The rotatable upper handpiece of claim 4, wherein a side of said housing is provided with a tensioner for tensioning said timing belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910092041.0A CN109680422B (en) | 2019-01-30 | 2019-01-30 | Rotatable top of computer head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910092041.0A CN109680422B (en) | 2019-01-30 | 2019-01-30 | Rotatable top of computer head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109680422A CN109680422A (en) | 2019-04-26 |
| CN109680422B true CN109680422B (en) | 2021-06-29 |
Family
ID=66195212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910092041.0A Active CN109680422B (en) | 2019-01-30 | 2019-01-30 | Rotatable top of computer head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109680422B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111826824B (en) * | 2020-07-24 | 2022-04-22 | 宜城成雄织造有限公司 | Industrial sewing machine for blend fiber knitted fabric |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203569317U (en) * | 2013-10-26 | 2014-04-30 | 台州拓卡奔马机电科技有限公司 | Outer pressing pin device of sewing machine |
| CN103981649A (en) * | 2014-05-13 | 2014-08-13 | 诸暨锦和缝制机械有限公司 | Upper machine head of independently-driven rotary type automatic sewing device |
| CN105200673A (en) * | 2015-11-02 | 2015-12-30 | 浙江乐佳机电有限公司 | Handpiece for full-automatic multi-head template sewing machine |
| CN205443639U (en) * | 2016-01-06 | 2016-08-10 | 东莞市宝轮电脑刺绣机械有限公司 | High -speed embroidery machine head presser foot separation and reunion drive mechanism of intelligence |
| CN107881659A (en) * | 2017-11-24 | 2018-04-06 | 阮积康 | A kind of difunctional small-sized template sewing machine |
-
2019
- 2019-01-30 CN CN201910092041.0A patent/CN109680422B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203569317U (en) * | 2013-10-26 | 2014-04-30 | 台州拓卡奔马机电科技有限公司 | Outer pressing pin device of sewing machine |
| CN103981649A (en) * | 2014-05-13 | 2014-08-13 | 诸暨锦和缝制机械有限公司 | Upper machine head of independently-driven rotary type automatic sewing device |
| CN105200673A (en) * | 2015-11-02 | 2015-12-30 | 浙江乐佳机电有限公司 | Handpiece for full-automatic multi-head template sewing machine |
| CN205443639U (en) * | 2016-01-06 | 2016-08-10 | 东莞市宝轮电脑刺绣机械有限公司 | High -speed embroidery machine head presser foot separation and reunion drive mechanism of intelligence |
| CN107881659A (en) * | 2017-11-24 | 2018-04-06 | 阮积康 | A kind of difunctional small-sized template sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109680422A (en) | 2019-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109680422B (en) | Rotatable top of computer head | |
| CN105401351A (en) | Sewing synchronization mechanism of full-automatic elevating machine head template sewing machine | |
| CN212335464U (en) | Guide bar swinging mechanism and warp knitting machine adopting same | |
| CN109371590B (en) | Double auxiliary shaft driving system for embroidery machine with middle opening of machine head | |
| CN209669477U (en) | Sewing machine | |
| CN210506765U (en) | Needle bar structure of rotary template sewing machine | |
| KR200426431Y1 (en) | guide hook drive apparatus of crochet knitting machine | |
| CN210506769U (en) | Rotary head structure of sewing machine | |
| CN210237961U (en) | Lower needle looping cam for knitting machine | |
| CN211112533U (en) | Edge punching device for clothing production | |
| KR200419601Y1 (en) | Needle house drive of crochet knitting machine | |
| CN209194155U (en) | A kind of template compression mobile mechanism of template sewing machine | |
| CN209584549U (en) | The lower head system of sewing machine | |
| CN204224845U (en) | Full-automatic lifting head die plate Sewing machines sewing lazy-tongs | |
| CN210506771U (en) | Electrical connection structure of rotary template sewing machine | |
| CN219908052U (en) | Small-space installation type rotating shuttle feeding tooth structure and sewing machine | |
| CN218812545U (en) | Feeding mechanism for sewing machine | |
| CN217479716U (en) | Rotating mechanism and sewing machine using same | |
| CN218321904U (en) | Sewing machine head and sewing machine | |
| CN217026306U (en) | Step crank driven feeding mechanism of sewing machine and sewing machine | |
| CN217651436U (en) | Template sewing machine | |
| CN210506749U (en) | Middle presser foot structure of rotary template sewing machine | |
| CN218321901U (en) | Balance crank, sewing machine head and sewing machine | |
| CN220746268U (en) | Transmission mechanism of seam splicing machine | |
| CN219059328U (en) | Tug device of sewing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |