CN109629139A - The lower head system of sewing machine - Google Patents
The lower head system of sewing machine Download PDFInfo
- Publication number
- CN109629139A CN109629139A CN201910092898.2A CN201910092898A CN109629139A CN 109629139 A CN109629139 A CN 109629139A CN 201910092898 A CN201910092898 A CN 201910092898A CN 109629139 A CN109629139 A CN 109629139A
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- CN
- China
- Prior art keywords
- lower section
- sewing machine
- gear
- head system
- rotation
- 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.)
- Withdrawn
Links
- 238000009958 sewing Methods 0.000 title claims abstract description 40
- 238000009966 trimming Methods 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 12
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 230000007246 mechanism Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B73/00—Casings
- D05B73/04—Lower casings
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B57/00—Loop takers, e.g. loopers
- D05B57/30—Driving-gear for loop takers
- D05B57/36—Driving-gear for loop takers in lock-stitch sewing machines
- D05B57/38—Shuttle drives
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B65/00—Devices for severing the needle or lower thread
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a kind of lower head systems of sewing machine, including saving component (1) and rotary components (2) under head, it is characterized in that, saving component (1) under the head includes by the rotatably supported lower section casing (001) of the rotary components (2);It is equipped with trimming motor (004) in the installation cavity of lower section casing (001) lower part, the left side or right side of the lower section casing (001) are equipped with lower spindle motor (003).In this way, the input shaft of motor shaft and thread cutting mechanism each may lie in casing rear, the movement of thread cutting mechanism can be directly realized by bar group, structure is simple, and the movement of bar group is unrestricted, and installation and debugging are also more convenient.
Description
Technical field
The present invention relates to technical field of sewing equipment more particularly to a kind of lower 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.
Further, since existing lower spindle motor is mounted below casing, and trimming motor is mounted on cabinet sides, in this way meeting
Casing will be penetrated by making the bar group of common dise knife thread cutting mechanism, cause bar group space limited, and casing structure design is complicated, peace
Adjustment examination is also inconvenient.
Summary of the invention
The object of the present invention is to provide a kind of lower head systems of sewing machine, and structure is simple, and the movement of bar group is unrestricted, installation
It debugs also more convenient.
To achieve the above object, the present invention provides a kind of lower head systems of sewing machine, including under head save component and
Rotary components, section component includes by the rotatably supported lower section casing of the rotary components under the head;The lower section casing
Trimming motor trimming motor is equipped in the installation cavity of lower part, the left side or right side of the lower section casing are equipped with lower spindle motor.
Preferably, the trimming motor drives trimming component, the bar by being set to the bar group at the lower section casing rear
Group includes sequentially connected trimming rocking bar, trimming connecting rod and trimming crank.
Preferably, the lower spindle motor passes through small synchronizing wheel, the big synchronizing wheel and two set on the lower section casing rear
Synchronous belt between person drives rotating shuttle assembly rotation.
Preferably, the rotary components include the lower section base plate being fixedly connected with the rack of sewing machine, and rotation set is set vertically
It sets and is supported by the lower section base plate rotation, and its periphery is fixedly connected with gear wheel;The lower section base plate is also equipped with
The motor being vertically arranged, to drive the pinion rotation engaged with the gear wheel;The lower section casing is installed on the rotation set
Top.
Preferably, the lower section base plate is fixedly installed with gear-box, and the gear wheel and the pinion gear are located at described
In gear-box.
Preferably, the rotation set passes through the gear-box and is equipped with Upper shaft sleeve and Lower shaft sleeve, the Upper shaft sleeve between the two
The roof and bottom wall of the gear-box are respectively and fixedly installed to the Lower shaft sleeve.
Preferably, the bottom of the rotation set is also fixedly connected with the slip-ring rotor being coaxially arranged, the slip-ring rotor
Lower rotation is connected with coaxially setting slip ring stator;The slip ring stator is fixed by slip ring check plate and the gear-box
Connection.
Preferably, the bottom of the rotation set is equipped with reducing sleeve, and is connect by the reducing sleeve with the slip-ring rotor.
Preferably, the bottom of the gear-box is also equipped with retarder mounting base, and retarder is set to the retarder peace
Fill the bottom of seat.
Preferably, the retarder mounting base have frame structure, at the top and bottom of frame space in be arranged shaft coupling
Device.
The lower head system of sewing machine provided by the present invention, including component and rotary components, the head are saved under head
Lower section component includes by the rotatably supported lower section casing of the rotary components;It is equipped in the installation cavity of the lower part of the lower section casing
Trimming motor, the left side or right side of the lower section casing are equipped with lower spindle motor, the trimming motor and the lower spindle motor
Arbor be respectively positioned on the lower section casing rear, can be in this way, the input shaft of motor shaft and thread cutting mechanism is all located at casing rear
The movement of thread cutting mechanism is directly realized by bar group, structure is simple, and the movement of bar group is unrestricted, and installation and debugging are also more convenient.
In a specific embodiment, the rotary components include the lower section pedestal being fixedly connected with the rack of sewing machine
Plate, rotation set is vertically arranged and by the lower section base plate rotation support, and its periphery is fixedly connected with gear wheel;The lower section base
Seat board is also equipped with the motor being vertically arranged, to drive the pinion rotation engaged with the gear wheel;The lower section casing peace
Top loaded on the rotation set.Therefore, the lower section casing can be sent out relative to the lower section base plate driven by a moto
Raw rotation, therefore component can be saved under rotating head when sewing backstitches direction, protect the mutual alignment of eedle and suture always
State when along seam is held, so as to avoid backward stitch is generated, improves the quality of 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 the overall structure diagram of the lower head system of sewing machine provided by the present invention;
Fig. 2 is the schematic perspective view for saving component first angle in Fig. 1 under head;
Fig. 3 is the schematic perspective view for saving component second angle in Fig. 1 under head;
Fig. 4 is the schematic perspective view of rotary components in Fig. 1;
Fig. 5 is the schematic cross-sectional view of rotary components 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 lower head system of sewing machine, and structure is simple, and the movement of bar group is unrestricted, and installation is adjusted
It tries also more convenient.
Fig. 1 to Fig. 3 is please referred to, Fig. 1 is the overall structure diagram of the lower head system of sewing machine provided by the present invention;Figure
2 schematic perspective view to save component first angle under head in Fig. 1;Fig. 3 is to save component second angle in Fig. 1 under head
Schematic perspective view.
In the first specific embodiment, the lower head system of sewing machine provided by the invention includes machine on the whole
The lower section component 1 of head and rotary components 2, the other structures of sewing machine are since, without direct correlation, the present invention no longer refers to the present invention.
It includes lower section casing 001 that component 1 is saved under head, and lower section casing 001 can be relative to the gantry rotation of sewing machine.
Lower section casing 001 is equipped with lower spindle motor 003, and lower spindle motor 003 drives 002 turn of rotating shuttle assembly by synchronous belt group
It moves, and lower spindle motor 003 is located at the side of lower section casing 001, i.e. left side or right side.Lower section casing 001 is additionally provided with location hook
Component 005.
Lower section casing 001 is also equipped with trimming motor 004, and trimming motor 004 drives the relevant action of trimming component 006,
And trimming motor 004 is located in the installation cavity of the lower part of lower section casing 001.
Trimming motor 004 specifically can drive trimming component 006 by being set to the bar group at lower 001 rear of section casing, described
Bar group may include being sequentially connected the trimming rocking bar 010, trimming connecting rod 011 and trimming crank 012 connect.
Lower spindle motor 003 passes through small synchronizing wheel 007, the big synchronizing wheel 009 set on lower 001 rear of section casing, and installation
Synchronous belt 008 between small synchronizing wheel 007 and big synchronizing wheel 009 drives rotating shuttle assembly 002 to rotate.
The lower head system of sewing machine provided by the present invention, including component and rotary components, the head are saved under head
Lower section component includes by the rotatably supported lower section casing of the rotary components;It is equipped in the installation cavity of the lower part of the lower section casing
Trimming motor, the left side or right side of the lower section casing are equipped with lower spindle motor, in this way, the input of motor shaft and thread cutting mechanism
Axis is all located at casing rear, and the movement of thread cutting mechanism can be directly realized by bar group, and structure is simple, and the movement of bar group is unrestricted,
Installation and debugging are also more convenient.
Fig. 4 and Fig. 5 are please referred to, Fig. 4 is the schematic perspective view of rotary components in Fig. 1;Fig. 5 is rotary components in Fig. 1
Schematic cross-sectional view.
It in another embodiment specific implementation mode, can mounting means to lower section casing 001 be further is improved.
Lower section base plate 101 can be fixedly connected in the rack of sewing machine, and by the rotatable twelve Earthly Branches of lower section base plate 101
Rotation set 121 is supportted, the generally vertical setting of rotation set 121, periphery is fixedly connected with the gear wheel 123 of synchronous rotation.Lower section machine
Shell 001 can be fixedly mounted on the top of rotation set 121 by bolt etc..
Motor 107 is also equipped on lower section base plate 101, the generally vertical setting of motor 107 specifically can be electric rotating
Machine or other power parts.
Motor 107 drives pinion gear 103 to rotate, and pinion gear 103 is meshed with gear wheel 123, so as to by motor 107
Rotation set 121 is driven, and then drives its top peace to hold section casing 001 and rotates.The above structure is main group of rotary components 2
At part.
Therefore, lower section casing can be rotated relative to lower section base plate driven by a moto, so as to stitch
It threads and saves component under rotating head when backstitching direction, state when being always held at the mutual alignment of eedle and suture along seam, from
And generation backward stitch is avoided, improve the quality of sewing.
The structure of rotary components 2 can also be further improved.
For example, gear-box 112 can also be fixedly mounted on lower section base plate 101, and by gear wheel 123 and pinion gear
103 are all set in gear-box 112.
Gear wheel 123 and pinion gear 103 are arranged in gear-box 112, and lubrication and dust-proof effect are more preferable, and operation more may be used
It leans on.
Can also make rotation set 121 vertically pass through gear-box 112, and between rotation set 121 and gear-box 112 be arranged axle sleeve or
Person's bearing.For example, Upper shaft sleeve 122 is arranged between rotation set 121 and the roof of gear-box 112, in rotation set 121 and gear-box 112
Bottom wall between be arranged Lower shaft sleeve 124.In addition, positioning retainer ring 125 can also be arranged in the periphery of rotation set 121.
The bottom of rotation set 121 can also be fixedly connected with slip-ring rotor 127, the two coaxial arrangement;The bottom of slip-ring rotor 127
It can also be rotatablely connected slip ring stator 108, slip-ring rotor 127 and slip ring stator 108 are equally coaxially disposed.
Slip ring stator 108 can also be fixedly connected by slip ring check plate with gear-box 112;The slip ring check plate can be with
Including the first plate body 109 and the second plate body 110 for holding slip ring stator 108 tightly from two sides.
Further, it is also possible to which reducing sleeve 126 is arranged in the bottom of rotation set 121, and makes rotation set 121 by reducing sleeve 126 and slide
Rotor 127 connects.
Retarder mounting base 105 can also be installed in the bottom of gear-box 112, and retarder 106 is set to retarder
The bottom of mounting base 105.
Retarder mounting base 105 further can be set as frame structure, so as to the frame at the top and bottom of it
Shaft coupling 104 is set in space.
The setting of the above rotation set 121 and its related accessory, the rotation of lower section casing 001 can be made by simple structure
It is reliable and stable to turn over Cheng Gengwei.
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.
The lower head system of sewing machine provided by the present invention is described in detail above.It is used herein specifically
Principle and implementation of the present invention are described for a example, the present invention that the above embodiments are only used to help understand
Method and its core concept.It should be pointed out that for those skilled in the art, not departing from original of the invention
, can be with several improvements and modifications are made to the present invention under the premise of reason, these improvement and modification also fall into right of the present invention and want
In the protection scope asked.
Claims (10)
1. a kind of lower head system of sewing machine, including component (1) and rotary components (2) are saved under head, which is characterized in that it is described
It includes by the rotatably supported lower section casing (001) of the rotary components (2) that component (1) is saved under head;The lower section casing (001)
It is equipped with trimming motor (004) in the installation cavity of lower part, the left side or right side of the lower section casing (001) are equipped with lower spindle motor
(003)。
2. the lower head system of sewing machine as described in claim 1, which is characterized in that the trimming motor (004) is by setting
Bar group in lower section casing (001) rear drives trimming component (006), and the bar group includes sequentially connected trimming rocking bar
(010), trimming connecting rod (011) and trimming crank (012).
3. the lower head system of sewing machine as claimed in claim 2, which is characterized in that the lower spindle motor (003) is by setting
In the small synchronizing wheel (007) at lower section casing (001) rear, big synchronizing wheel (009) and synchronous belt (008) between the two
Drive rotating shuttle assembly (002) rotation.
4. the lower head system of sewing machine as described in any one of claims 1-3, which is characterized in that the rotary components (2)
Including the lower section base plate (101) that the rack with sewing machine is fixedly connected, rotation set (121) is vertically arranged and by the lower section pedestal
Plate (101) rotation support, and its periphery is fixedly connected with gear wheel (123);The lower section base plate (101) is also equipped with vertically
The motor (107) of setting, to drive the pinion gear (103) engaged with the gear wheel (123) rotation;The lower section casing
(001) it is installed on the top of the rotation set (121).
5. the lower head system of sewing machine as claimed in claim 4, which is characterized in that the lower section base plate (101) is fixed
It is equipped with gear-box (112), the gear wheel (123) and the pinion gear (103) are located in the gear-box (112).
6. the lower head system of sewing machine as claimed in claim 5, which is characterized in that the rotation set (121) passes through the tooth
Roller box (112) and it is equipped with Upper shaft sleeve (122) and Lower shaft sleeve (124), the Upper shaft sleeve (122) and the Lower shaft sleeve between the two
(124) roof and bottom wall of the gear-box (112) are respectively and fixedly installed to.
7. the lower head system of sewing machine as claimed in claim 6, which is characterized in that the bottom of the rotation set (121) is also solid
The slip-ring rotor (127) being coaxially arranged is connected calmly, and the lower rotation of the slip-ring rotor (127), which is connected with, coaxially to be set
Set slip ring stator (108);The slip ring stator (108) is fixedly connected by slip ring check plate with the gear-box (112).
8. the lower head system of sewing machine as claimed in claim 7, which is characterized in that the bottom of the rotation set (121) is equipped with
Reducing sleeve (126), and connect by the reducing sleeve (126) with the slip-ring rotor (127).
9. the lower head system of sewing machine as claimed in claim 5, which is characterized in that the bottom of the gear-box (112) is also
It is equipped with retarder mounting base (105), retarder (106) is set to the bottom of the retarder mounting base (105).
10. the lower head system of sewing machine as claimed in claim 9, which is characterized in that retarder mounting base (105) tool
Have frame structure, at the top and bottom of frame space in be arranged shaft coupling (104).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910092898.2A CN109629139A (en) | 2019-01-30 | 2019-01-30 | The lower head system of sewing machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910092898.2A CN109629139A (en) | 2019-01-30 | 2019-01-30 | The lower head system of sewing machine |
Publications (1)
Publication Number | Publication Date |
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CN109629139A true CN109629139A (en) | 2019-04-16 |
Family
ID=66064303
Family Applications (1)
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CN201910092898.2A Withdrawn CN109629139A (en) | 2019-01-30 | 2019-01-30 | The lower head system of sewing machine |
Country Status (1)
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CN (1) | CN109629139A (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202247313U (en) * | 2011-09-23 | 2012-05-30 | 罗君 | Engine seat structure for sewing machine |
CN103981648A (en) * | 2014-05-13 | 2014-08-13 | 诸暨锦和缝制机械有限公司 | Lower machine head of independently-driven rotary type automatic sewing device |
CN104495321A (en) * | 2014-11-14 | 2015-04-08 | 无锡市惠山通达机械设备厂 | Automatic refrigerator body rotating device for refrigerator assembly lines |
CN104727034A (en) * | 2015-04-02 | 2015-06-24 | 东莞市名菱工业自动化科技有限公司 | Synchronous rotation mechanism of sewing machine shuttle carrier |
CN206706346U (en) * | 2017-04-14 | 2017-12-05 | 阮积康 | A kind of structure of electrical motor of sewing machine thread trimmer |
CN207193528U (en) * | 2017-08-14 | 2018-04-06 | 阮积康 | The template sewing machine that a kind of upper and lower sewing mechanism can rotate automatically |
CN108374247A (en) * | 2018-01-30 | 2018-08-07 | 拓卡奔马机电科技有限公司 | A kind of modular template machine |
CN209584549U (en) * | 2019-01-30 | 2019-11-05 | 拓卡奔马机电科技有限公司 | The lower head system of sewing machine |
CN209619629U (en) * | 2019-01-30 | 2019-11-12 | 拓卡奔马机电科技有限公司 | The lower head system of sewing machine |
-
2019
- 2019-01-30 CN CN201910092898.2A patent/CN109629139A/en not_active Withdrawn
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202247313U (en) * | 2011-09-23 | 2012-05-30 | 罗君 | Engine seat structure for sewing machine |
CN103981648A (en) * | 2014-05-13 | 2014-08-13 | 诸暨锦和缝制机械有限公司 | Lower machine head of independently-driven rotary type automatic sewing device |
CN104495321A (en) * | 2014-11-14 | 2015-04-08 | 无锡市惠山通达机械设备厂 | Automatic refrigerator body rotating device for refrigerator assembly lines |
CN104727034A (en) * | 2015-04-02 | 2015-06-24 | 东莞市名菱工业自动化科技有限公司 | Synchronous rotation mechanism of sewing machine shuttle carrier |
CN206706346U (en) * | 2017-04-14 | 2017-12-05 | 阮积康 | A kind of structure of electrical motor of sewing machine thread trimmer |
CN207193528U (en) * | 2017-08-14 | 2018-04-06 | 阮积康 | The template sewing machine that a kind of upper and lower sewing mechanism can rotate automatically |
CN108374247A (en) * | 2018-01-30 | 2018-08-07 | 拓卡奔马机电科技有限公司 | A kind of modular template machine |
CN209584549U (en) * | 2019-01-30 | 2019-11-05 | 拓卡奔马机电科技有限公司 | The lower head system of sewing machine |
CN209619629U (en) * | 2019-01-30 | 2019-11-12 | 拓卡奔马机电科技有限公司 | The lower head system of sewing machine |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190416 |
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WW01 | Invention patent application withdrawn after publication |