CN109629135A - The upper head system of sewing machine - Google Patents
The upper head system of sewing machine Download PDFInfo
- Publication number
- CN109629135A CN109629135A CN201910092051.4A CN201910092051A CN109629135A CN 109629135 A CN109629135 A CN 109629135A CN 201910092051 A CN201910092051 A CN 201910092051A CN 109629135 A CN109629135 A CN 109629135A
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- CN
- China
- Prior art keywords
- mounting plate
- sewing machine
- sewing
- lifting platform
- fixedly connected
- 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.)
- Pending
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Classifications
-
- 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
- D05B69/18—Devices for changing speed or for reversing direction of rotation electric, e.g. foot pedals
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/30—Details
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B75/00—Frames, stands, tables, or other furniture adapted to carry sewing machines
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
本发明公开了一种缝纫机的上机头系统，其机身安装板(61)安装有升降平台(31)以及升降动力部件；所述机头(2)连接有与其同步转动的大同步轮(27)；所述升降平台(31)还安装有竖向设置的马达(21)，所述马达(21)的输出轴安装有小同步轮(25)，所述大同步轮(27)与所述小同步轮(25)通过同步带(26)连接。这样就可以在缝纫倒缝方向时旋转机头组件，使机针与缝线的相互位置一直保持在顺缝时的状态，从而避免了产生倒缝线迹，提高了缝纫的品质。并且，同步带的传动方式有助于降低装配精度要求，并提高设备运行稳定性。与此同时，当遇到缝料是凸起结构时，可以在每段缝纫结束时通过升降动力部件将机头提升，从而实现了对缝料的避让。
The invention discloses an upper head system of a sewing machine. The body mounting plate (61) is provided with a lifting platform (31) and a lifting power component; the head (2) is connected with a large synchronizing wheel ( 27; The small synchronous wheel (25) is connected by a synchronous belt (26). In this way, the machine head assembly can be rotated in the reverse sewing direction, so that the mutual position of the needle and the stitching thread is always kept in the state of the sewing, thus avoiding the reverse sewing stitch and improving the sewing quality. In addition, the transmission mode of the synchronous belt helps to reduce the assembly precision requirements and improve the operation stability of the equipment. At the same time, when the sewing material has a raised structure, the machine head can be lifted by the lifting power component at the end of each sewing section, thereby realizing the avoidance of the sewing material.
Description
Technical field
The present invention relates to technical field of sewing equipment more particularly to a kind of upper head systems of sewing machine.
Background technique
Sewing machine is important sewing device, in the complicated style of sewing, can generate the case where sewing towards any direction,
Sewing towards different directions can be generated along two kinds of stitching appearances of suture mark and backward stitch, the sewing quality of both stitching appearances
It is different.
Wherein, not only appearance is poor for backward stitch, and upper thread can generate loose twist, suture strength decline, and breakage ratio improves, drop
Low sewing quality.
Summary of the invention
The object of the present invention is to provide a kind of upper head systems of sewing machine, it is possible to reduce or even backward stitch is avoided, from
And significantly improve sewing quality；It is lower further for assembly precision requirement, and equipment operation stability is higher.
To achieve the above object, the present invention provides a kind of upper head systems of sewing machine, and there is head to connect with head
Component, the head connection component include the fuselage mounting plate being fixedly mounted on casing, and the fuselage mounting plate is equipped with liter
Platform is dropped, and drives lifting drive portion of the hoistable platform in the vertical direction relative to fuselage mounting plate movement
Part；
The head is carried by the hoistable platform and can be rotated relative to the hoistable platform, the outside of the head
It is fixedly installed with the big synchronizing wheel of synchronous rotation；
The hoistable platform is also equipped with vertically arranged motor, and the output shaft of the motor is equipped with small synchronizing wheel, institute
It states big synchronizing wheel and passes through synchronous band connection with the small synchronizing wheel.
Preferably, the fuselage mounting plate is equipped with two linear guides positioned at two sides and vertical, and the hoistable platform is solid
There are two the sliding blocks matched with the linear guide for fixed connection.
Preferably, the linear guide is fixedly connected by guide rail bearing with the fuselage mounting plate, and the sliding block passes through
The liftable mounting plate being vertically arranged is fixedly connected with the hoistable platform.
Preferably, the lifting drive component is the cylinder that cylinder rod is vertically arranged, and the motor is rotating electric machine.
Preferably, the cylinder is fixedly connected by cylinder mounting plate with the fuselage mounting plate；The cylinder rod of the cylinder
End jointing link block；The connector link block is consolidated between two linear guides, and with the liftable mounting plate
Fixed connection.
Preferably, bracket is additionally provided between the liftable mounting plate and the hoistable platform.
Preferably, the top of the hoistable platform is equipped with retarder mounting bracket, and retarder installs branch by the retarder
Frame support.
Preferably, the retarder mounting bracket has frame structure, and shaft coupling is arranged in the frame space of top and bottom
Device and the small synchronizing wheel.
Preferably, the head is fixedly connected with the bottom of rotation set, and the rotation set and the hoistable platform are rotatablely connected, institute
State the top peripheral that big synchronizing wheel is fixedly mounted on the rotation set.
Preferably, the top of the rotation set is also fixedly connected with the slip-ring rotor being coaxially arranged, the slip-ring rotor
Top is rotatably connected to coaxially setting slip ring stator；The slip ring stator is flat by slip ring stator stopping plate and the lifting
Platform is fixedly connected.
The upper head system of sewing machine provided by the present invention, fuselage mounting plate is equipped with hoistable platform, and drives
The lifting drive component that the hoistable platform moves in the vertical direction；The big of synchronous rotation is fixedly installed on the outside of head
Synchronizing wheel；The hoistable platform is also equipped with vertically arranged motor, and the output shaft of the motor is equipped with small synchronizing wheel, described
Big synchronizing wheel passes through synchronous band connection with the small synchronizing wheel.Therefore, head can be flat relative to lifting driven by a moto
Platform rotates, thus can when sewing backstitches direction rotating head component, make the mutual alignment of eedle and suture always
State when being maintained at along seam improves the quality of sewing so as to avoid backward stitch is generated.Also, the transmission of synchronous belt
Mode helps to reduce assembly precision requirement, and improves equipment operation stability.
At the same time, when encountering sewing is bulge-structure, lifting drive component can be passed through at the end of every section of sewing
Head is promoted, to realize the evacuation to sewing.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of overall structure diagram of the upper head system of the provided sewing machine of specific embodiment of the present invention；
Fig. 2 is the stereoscopic schematic diagram of head connection component in Fig. 1；
Fig. 3 is hoistable platform mounting means schematic diagram in Fig. 1.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Core of the present invention is to provide a kind of sewing machine, it is possible to reduce or even backward stitch is avoided, to significantly improve seam
It threads quality；It is lower further for assembly precision requirement, and equipment operation stability is higher.
Fig. 1-Fig. 3 is please referred to, Fig. 1 is whole for a kind of upper head system of the provided sewing machine of specific embodiment of the present invention
Body structural schematic diagram；Fig. 2 is the stereoscopic schematic diagram of head connection component in Fig. 1；Fig. 3 is that hoistable platform mounting means shows in Fig. 1
It is intended to.
In a specific embodiment, sewing machine provided by the present invention includes 1 He of head connection component on the whole
Head 2, the other structures of certain sewing machine are since, without direct correlation, the present invention no longer refers to the present invention.
Head 2 is main equipment, it is mounted by head connection component 1.Head connection component 1 passes through fuselage mounting plate
61 realize the mounting with casing, therefore fuselage mounting plate 61 carries all multi-parts.
Motor 21 (for example, can install motor 21 by hoistable platform 31), motor are installed on fuselage mounting plate 61
21 can be rotating electric machine, can also be with other power parts such as hydraulic motor.Motor 21 is vertically arranged, i.e., its output shaft is vertical
It is arranged.Certainly, the so-called vertically arranged concept for being only and lateral setting is opposite, being not meant as its vertical angle should be utterly
It is defined in some special value.
The output shaft of motor 21 is also equipped with small synchronizing wheel 25, so as to drive small synchronizing wheel 25 to rotate.Motor 21
Output shaft can directly be connect with small synchronizing wheel 25, can also be connect by retarder 22 with small synchronizing wheel 25.
Hoistable platform 31 is also equipped on fuselage mounting plate 61, hoistable platform 31 can exist relative to fuselage mounting plate 61
Opposite sliding on vertical direction.
The basic function of hoistable platform 31 is support dependency structure, though therefore it need not be strict with, its generally Ying Shui
Flat setting, and therefore the substantially vertical setting of fuselage mounting plate 61 considers for reasonable integral structure, it can be therebetween
Two brackets 32 are set, and the side of two brackets 32 slides vertically with the left and right sides of fuselage mounting plate 61 respectively to be connect, two brackets 32
Bottom edge be respectively fixedly connected with the left and right sides of hoistable platform 31.
In addition, above-mentioned be slidably connected itself belongs to mature technology, therefore both above-mentioned concrete mode being slidably connected can
To refer to the prior art；But it can also be realized according to following more preferably mode:
For example, linear guide 14, two linear guides can vertically be fixedly mounted in the left and right sides of fuselage mounting plate 61
14 match with corresponding sliding block 16, and two sliding blocks 16 further fix connection hoistable platform 31.
It is, of course, also possible to which guide rail bearing 15 and liftable mounting plate 18 is further arranged, and pass through two linear guides 14
Corresponding guide rail bearing 15 is fixedly connected with fuselage mounting plate 61, and makes lifting of two sliding blocks 16 by being vertically arranged
Mounting plate 18 is fixedly connected with hoistable platform 31.
Head 2 is carried by hoistable platform 31, and can be rotated relative to hoistable platform 31；The periphery of head 2 is into one
Step is set with the big synchronizing wheel 27 of synchronous rotation, and big synchronizing wheel 27 is connect with small synchronizing wheel 25 by synchronous belt 26.
Lifting drive component is also equipped on fuselage mounting plate 61, the bottom of the elevating lever of the lifting drive component connects
Connect hoistable platform 31.The lifting drive component is equally vertically arranged namely its elevating lever is general vertical setting, Neng Gougai
Become vertical position of the hoistable platform 31 relative to fuselage mounting plate 61.
Sewing machine provided by the present invention, fuselage mounting plate is equipped with hoistable platform, and drives the hoistable platform
The lifting drive component moved in the vertical direction；The big synchronizing wheel of synchronous rotation is fixedly installed on the outside of head；It is described
Hoistable platform is also equipped with vertically arranged motor, and the output shaft of the motor is equipped with small synchronizing wheel, the big synchronizing wheel with
The small synchronizing wheel passes through synchronous band connection.Therefore, head can be rotated relative to hoistable platform driven by a moto,
Thus can when sewing backstitches direction rotating head component, make the mutual alignment of eedle and suture be always held at along seam when
State, so as to avoid generate backward stitch, improve the quality of sewing.Also, the kind of drive of synchronous belt helps to drop
Low assembly precision requirement, and improve equipment operation stability.
At the same time, when encountering sewing is bulge-structure, lifting drive component can be passed through at the end of every section of sewing
Head is promoted, to realize the evacuation to sewing.
Furthermore, it is possible to do some other improvement to sewing machine provided by the present invention.
For example, the lifting drive component can be cylinder 11, cylinder rod is vertically arranged.Certain lifting drive component
It can also be other common lifting parts such as oil cylinder, screw rod.
Cylinder 11 can be fixedly connected by cylinder mounting plate 13 with guide rail bearing 15, to be fixedly connected on machine indirectly
On body mounting plate 61；Certainly, cylinder 11 can also be detached from cylinder mounting plate 13 and guide rail bearing 15 and fuselage mounting plate 61 is straight
It connects in succession.
The extension end of cylinder 11 can directly be connect with elevating lever, but can also be connected by floating junction 12 and elevating lever
It connects, advantageously reduces installation error in this way.
Connector link block 17 can also be arranged in the cylinder rod end of cylinder 11；Connector link block 17 can be set leads in two straight lines
Between rail 14, and it is fixedly connected with liftable mounting plate 18.The structure of equipment in this way is more compact.
As previously mentioned, the output shaft of motor 21 can be connect by retarder 22 with small synchronizing wheel 25；At this point it is possible to rising
Retarder mounting bracket 23 is arranged in the top for dropping platform 31, and retarder 22 is supported by retarder mounting bracket 23.
Retarder mounting bracket 23 can also have frame structure, and the space inside frame structure can be used to that shaft coupling is arranged
Device 24.
Arrangement above can advanced optimize the structure of equipment, realize stable work shape in simple structure
State.
As previously mentioned, head 2 is carried by hoistable platform 31, and can be rotated relative to hoistable platform 31.It can lead to
Cross the connection that following manner realizes head 2 and hoistable platform 31.
The rotation set 28 being rotatablely connected with hoistable platform 31 is set, and head 2 is mounted on rotation set by the setting of 28 general vertical of rotation set
Big synchronizing wheel 27 is fixedly mounted on the top peripheral of rotation set 28 by 28 bottom.
Bearing can also be arranged in hoistable platform 31, and is realized by the bearing and connect with the relative rotation of rotation set 28.
Head connecting flange 29 can be set in the bottom of rotation set 28, and head 2 can pass through head connecting flange 29 and rotation set
28 are fixedly connected.
The top of rotation set 28 can also be fixedly connected with slip-ring rotor, and the slip-ring rotor can be coaxially disposed with rotation set 28,
And its top is further rotatably connected to the slip ring stator 41 being equally coaxially arranged.Slip ring stator 41 is stopped by slip ring stator
Movable plate 42 is fixedly connected with hoistable platform 31.
The setting of the above rotation set 28 and its related accessory, the rotary course of head 2 can be made by simple structure
It is more reliable and stable.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Sewing machine provided by the present invention is described in detail above.Specific case used herein is to the present invention
Principle and embodiment be expounded, method and its core of the invention that the above embodiments are only used to help understand
Thought is thought.It should be pointed out that for those skilled in the art, without departing from the principle of the present invention,
Can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the protection scope of the claims in the present invention
It is interior.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910092051.4A CN109629135A (en) | 2019-01-30 | 2019-01-30 | The upper head system of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910092051.4A CN109629135A (en) | 2019-01-30 | 2019-01-30 | The upper head system of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109629135A true CN109629135A (en) | 2019-04-16 |
Family
ID=66062809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910092051.4A Pending CN109629135A (en) | 2019-01-30 | 2019-01-30 | The upper head system of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109629135A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114575047A (en) * | 2022-03-03 | 2022-06-03 | 四川中缝重工股份有限公司 | Sewing machine and sewing method |
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| KR20120106508A (en) * | 2011-03-16 | 2012-09-26 | 주식회사 썬스타 | Sewing machine and control method thereof |
| JP2012239912A (en) * | 2011-05-20 | 2012-12-10 | Sunstar Co Ltd | Sewing machine and method for controlling and driving the same |
| WO2013073830A1 (en) * | 2011-11-14 | 2013-05-23 | 주식회사 썬스타 | Sewing machine and needle-switching device adapted therefor |
| 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 |
| CN207552643U (en) * | 2017-09-26 | 2018-06-29 | 广东金悦来自动化设备有限公司 | Rotary type suture needle structure and its sewing machine |
| CN209584544U (en) * | 2019-01-30 | 2019-11-05 | 拓卡奔马机电科技有限公司 | The upper head system of sewing machine |
-
2019
- 2019-01-30 CN CN201910092051.4A patent/CN109629135A/en active Pending
Patent Citations (6)
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|---|---|---|---|---|
| KR20120106508A (en) * | 2011-03-16 | 2012-09-26 | 주식회사 썬스타 | Sewing machine and control method thereof |
| JP2012239912A (en) * | 2011-05-20 | 2012-12-10 | Sunstar Co Ltd | Sewing machine and method for controlling and driving the same |
| WO2013073830A1 (en) * | 2011-11-14 | 2013-05-23 | 주식회사 썬스타 | Sewing machine and needle-switching device adapted therefor |
| 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 |
| CN207552643U (en) * | 2017-09-26 | 2018-06-29 | 广东金悦来自动化设备有限公司 | Rotary type suture needle structure and its sewing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114575047A (en) * | 2022-03-03 | 2022-06-03 | 四川中缝重工股份有限公司 | Sewing machine and sewing method |
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Application publication date: 20190416 |
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| RJ01 | Rejection of invention patent application after publication |