CN104928863B - Ring shuttle split type fixing device - Google Patents
Ring shuttle split type fixing device Download PDFInfo
- Publication number
- CN104928863B CN104928863B CN201510351755.0A CN201510351755A CN104928863B CN 104928863 B CN104928863 B CN 104928863B CN 201510351755 A CN201510351755 A CN 201510351755A CN 104928863 B CN104928863 B CN 104928863B
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- China
- Prior art keywords
- lever
- little gear
- keeper
- cam
- ring shuttle
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C13/00—Auxiliary devices incorporated in embroidering machines, not otherwise provided for; Ancillary apparatus for use with embroidering machines
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention is applicable to the field of embroidery machines and provides a ring shuttle split type fixing device. The ring shuttle split type fixing device comprises a head and a guide rail arranged at the front end of the head. A main gear is mounted in the head. The fixing device further comprises a plurality of pinions, one ring shuttle is arranged above each pinion, a lever positioning part is arranged at the front end of each pinion, the main gear is meshed with one of the pinions, and each lever positioning part locks the corresponding pinion. The ring shuttle split type fixing device further comprises a driving mechanism arranged at the front ends of the lever positioning parts, and the driving mechanism comprises at least one cam. When the projection portions of the cams turn and push the corresponding lever positioning part, the lever positioning parts leave the corresponding pinions, and the main gear drives the pinions to rotate back and forth. In the ring shuttle split type fixing device, the ring shuttles do not need to move up and down, the structural defects of existing devices are overcome theoretically, all related faults are avoided, embroidery quality is guaranteed, and production efficiency is improved greatly.
Description
Technical field
The invention belongs to embroidery machine technical field, the split type fixing device of more particularly, to a kind of ring shuttle.
Background technology
Machine head of embroidery machine part at present, its positioner is to concentrate fixing device, and its operation principle is：Before each little gear
An end piece thimble of setting is used for blocking little gear, in specific works, little gear and ring shuttle must together be lifted up so that little
Gear wheel depart from thimble, then gear wheel driving pinion positive and negative come back rotation, complete embroider or other subsequent actions.General ring
Shuttle moves up and down and completes by spring push-pull, thus often cannot within the time needing return, or even be unable to return, often appearance
Various faults, such as ring shuttle are overtime, ring shuttle partly turns round exception, ring shuttle cannot fall, the falling of ring shuttle is not in place, jump ring comes off, ring
Shuttle lifts bearing necrosis, the deformation of ring shuttle return spring etc., and too high fault rate needs to pay very big maintenance cost, and have impact on production
Efficiency.
Content of the invention
In view of the above problems, it is an object of the invention to provide a kind of split type fixing device of ring shuttle is it is intended to solve existing
The concentration fixing device of machine head of embroidery machine, equipment failure rate is high, the technical problem of low production efficiency.
The present invention adopts the following technical scheme that：
The split type fixing device of described ring shuttle, including head and the guide rail that is arranged on described head front end, described head
Gear wheel is inside installed, described device also includes some little gears, is a ring shuttle above each little gear, before each little gear
End is provided with a lever keeper, and described little gear and lever keeper integrally can slide on described guide rail, described canine tooth
Wheel is meshed with one of little gear, and each lever keeper blocks corresponding little gear, and described device also includes being located at institute
State the drive mechanism of lever keeper front end, described drive mechanism includes at least one cam, when the lobe of described cam turns
To and when promoting corresponding lever keeper, described lever keeper leaves corresponding little gear, described in described canine tooth wheel drive
Little gear carrys out back rotation.
Further, described cam only one of which, described drive mechanism also includes rotating shaft, and described rotating shaft two ends are provided with axle
Hold, described cam is fixed in described rotating shaft, described rotating shaft drives described cam rotation, when little gear and lever keeper are whole
When a certain position of guide rail, described gear wheel is engaged body with one of little gear, and described cam position is just directed at institute
State little gear corresponding lever keeper.
Further, described device also includes the limiting plate being fixed on device bending rack, described limiting plate, lever positioning
Part, little gear and ring shuttle are an overall structure, and described lever keeper includes alignment pin, lever seat and lever, described lever
Seat is fixed on described limiting plate, and described lever rotates before and after described lever seat, and described limiting plate top is provided with spacing hole, institute
State alignment pin one end to be flexibly connected with described lever, the other end is stuck in corresponding little gear after passing through described spacing hole.
Further, described lever upper end is provided with and sticks up bar, and described alignment pin includes pushing part and is located at described pushing part
The thimble of front end, described pushing part one end is provided with breach, sticks up bar and is located in described breach.
Further, it is additionally provided with positioning sleeve between described alignment pin and spacing hole.
Further, described lever seat is provided with lever pin, and described lever pin passes through the lobe in the middle of described lever, and
The torsion spring providing restoring force for described lever is additionally provided with described lever pin.
Further, there is annular groove at described lever pin two ends, and described annular groove is provided with U-shaped spring.
The invention has the beneficial effects as follows：In the present invention, ring shuttle need not move up and down, and therefore need not arrange driving ring shuttle upwards
Or the relevant apparatus moving down, the fault of construction of existing equipment presence is overcome from know-why, it is to avoid all are related
The generation of fault, while ensureing embroidery quality, greatly enhances production efficiency, through actual verification, volume of production can
To improve 15%-20%.
Brief description
Fig. 1 is the structure chart of the split type fixing device of ring shuttle provided in an embodiment of the present invention；
Fig. 2 is the partial enlarged drawing of part A in Fig. 1；
Fig. 3 is the structure chart of alignment pin.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.
In order to technical solutions according to the invention are described, to illustrate below by specific embodiment.
Fig. 1 shows the structure of the split type fixing device of ring shuttle provided in an embodiment of the present invention, only shows for convenience of description
Go out the part related to the embodiment of the present invention.
As shown in figure 1, the split type fixing device of ring shuttle that the present embodiment provides, including head 1 and be arranged on described machine
The guide rail 2 of 1 front end, is provided with gear wheel 11, this device also includes some little gears 3, in each little gear in described head
Fang Weiyi ring shuttle 4, each little gear 3 front end is provided with a lever keeper 5, and described little gear 3 and lever keeper 5 are whole
Body can slide on described guide rail, and described gear wheel 11 is meshed with one of little gear 3, and each lever keeper 5 blocks
Corresponding little gear 3, described device also includes being located at the drive mechanism 6 of described lever keeper front end, described drive mechanism bag
Include at least one cam 61, when the lobe of described cam 61 turns to and promotes corresponding lever keeper 5, described lever is fixed
Position part 5 leaves corresponding little gear 3, and described gear wheel 11 drives described little gear 3 to carry out back rotation.
In the present embodiment, when certain ring shuttle needs work, little gear and lever keeper entirety are on described guide rail
Slide and move to certain position, now gear wheel is just engaged with the little gear below the ring shuttle needing work, then cam
Rotate, the lobe of cam promotes corresponding lever keeper, and now lever keeper leaves corresponding little gear, and so this is little
Gear is at free state, and gear wheel just can drive this little gear to carry out back rotation, completes to embroider or other actions.When it
When his ring shuttle needs work, described cam is rotated further, and this lever keeper return simultaneously continues to block this little gear, little gear with
And lever keeper integrally continues to move to certain position on described guide rail, repeat above-mentioned same work.
This device changes operation principle, and ring shuttle and little gear need not move up and down, by arrange lever keeper and
Cam, under normal condition, little gear is blocked and can not be rotated by lever keeper, and when ring shuttle needs work, cam rotation simultaneously pushes away
Move corresponding lever keeper, lever keeper leaves little gear, such little gear is carried out toward wraparound under the drive of gear wheel
Dynamic, ring shuttle is driven by little gear, completes to embroider or other actions.In the present invention, ring shuttle and little gear need not move up and down, because
This need not arrange the relevant apparatus that driving ring shuttle moves up or down, and overcomes the knot of existing equipment presence from know-why
Structure defect, it is to avoid the generation of all dependent failures, while ensureing embroidery quality, greatly enhances production effect
Rate.
The present embodiment does not limit the quantity of cam, can arrange one solely for one or each lever keeper
Vertical cam, when lever keeper therein needs work, its corresponding cam rotation.But in order to simplify structure,
As a kind of optimal way, cam only one of which described here, cam position is relatively fixed, and described drive mechanism 6 is also wrapped
Include rotating shaft 62, described rotating shaft 62 two ends are provided with bearing 63, it is fixing on the table, with respect to machine that fixed mount 64 is passed through in bearing periphery
Head position is motionless.Described cam 61 is fixed in described rotating shaft 62, and described rotating shaft 62 drives described cam 61 to rotate, and works as little gear
3 and lever keeper 5 be integrally located at guide rail a certain position when, described gear wheel 11 is engaged with one of little gear 3, and
Described cam 61 position is just directed at the corresponding lever keeper 5 of described little gear 3.So cam only needs to arrange one, when little
When gear 3 and lever keeper 5 move integrally, cam position is constant, and during cam rotation, the lobe of cam can promote and need
Lever keeper 5 corresponding to ring shuttle to be worked, realizes the work switching of ring shuttle.
As a kind of concrete preferred structure of this device, described device also includes the limiting plate being fixed on device bending rack
7, bending rack is arranged on head front end, and described limiting plate 7, lever keeper 5, little gear 3 and ring shuttle 4 are an overall structure, can
Along slide, with reference to the partial enlarged drawing shown in Fig. 2, described lever keeper 5 includes alignment pin 51, lever seat 52 and thick stick
Bar 53, described lever seat 52 is fixed on described limiting plate 7, and described lever 53 rotates before and after described lever seat 52, described limit
Position plate 7 top is provided with spacing hole, and described alignment pin 51 one end is flexibly connected with described lever 53, and the other end passes through described spacing hole
After be stuck in corresponding little gear 3.In this structure, alignment pin is flexibly connected with the upper end of lever, and middle is bossing, cam
The end of described lever is acted on, so when cam rotation, lever top drives described alignment pin to move forward and backward during rotation, this
Sample alignment pin can block little gear or leave little gear.As a kind of concrete structure of described alignment pin 51, described lever
53 upper ends are provided with sticks up bar 54, as shown in figure 3, described alignment pin 51 includes pushing part 511 and is located at described pushing part front end
Thimble 512, described pushing part one end is provided with breach 513, sticks up bar 54 and is located in described breach 513, is so easy to dismount alignment pin
51, reduce installation and maintenance difficulty.
In addition preferred, it is additionally provided with positioning sleeve 8 between described alignment pin 51 and spacing hole, described positioning sleeve 8 plays guiding
With antifriction effect it is ensured that alignment pin thimble moves along a straight line and is not worn.Described lever seat 52 is provided with lever pin 521, institute
State lever pin 521 and pass through the middle lobe of described lever, and be additionally provided with described lever pin as described lever offer restoring force
Torsion spring (not shown), when nose of cam is rotated away from described lever, described torsion spring can provide for described lever
Restoring force, promotes alignment pin 51 to move forward, thimble blocks little gear.Additionally, there is annular groove at described lever pin 521 two ends,
Described annular groove is provided with U-shaped spring 522, during installation, lever pin is passed through after lever seat and lever, the annular groove dew at two ends
Go out, the annular groove then U-shaped spring being stuck in two ends can be fixed, and this structure facilitates the dismounting of lever keeper.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (7)
1. a kind of split type fixing device of ring shuttle is it is characterised in that before described device includes head and be arranged on described head
The guide rail at end, is provided with gear wheel, described device also includes some little gears in described head, be one above each little gear
Ring shuttle, each little gear front end is provided with a lever keeper, and described little gear and lever keeper integrally can be led described
Slide on rail, described gear wheel is meshed with one of little gear, and each lever keeper blocks corresponding little gear, described
Device also includes being located at the drive mechanism of described lever keeper front end, and described drive mechanism includes at least one cam, works as institute
When stating the lobe of cam and turning to and promote corresponding lever keeper, described lever keeper leaves corresponding little gear, institute
State little gear described in canine tooth wheel drive and carry out back rotation.
2. it is characterised in that described cam only one of which, described drive mechanism also includes rotating shaft to device as claimed in claim 1,
Described rotating shaft two ends are provided with bearing, and described cam is fixed in described rotating shaft, and described rotating shaft drives described cam rotation, when little tooth
, when a certain position of guide rail, described gear wheel is engaged with one of little gear, and described for wheel and lever keeper entirety
Cam position is just directed at described little gear corresponding lever keeper.
3. device as claimed in claim 1 or 2 is it is characterised in that described device also includes the limit being fixed on device bending rack
Position plate, described limiting plate, lever keeper, little gear and ring shuttle be an overall structure, described lever keeper include alignment pin,
Lever seat and lever, described lever seat is fixed on described limiting plate, and described lever rotates before and after described lever seat, described
Limiting plate top is provided with spacing hole, and described alignment pin one end is flexibly connected with described lever, after the other end passes through described spacing hole
It is stuck in corresponding little gear.
4. it is characterised in that described lever upper end is provided with and sticks up bar, described alignment pin includes promoting device as claimed in claim 3
Portion and the thimble being located at described pushing part front end, described pushing part one end is provided with breach, sticks up bar and is located in described breach.
5. device as claimed in claim 4 is it is characterised in that be additionally provided with positioning sleeve between described alignment pin and spacing hole.
6. it is characterised in that described lever seat is provided with lever pin, described lever pin passes through institute to device as claimed in claim 5
State the lobe in the middle of lever, and the torsion spring providing restoring force for described lever is additionally provided with described lever pin.
7. device as claimed in claim 6 is it is characterised in that there is annular groove at described lever pin two ends, on described annular groove
It is provided with U-shaped spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510351755.0A CN104928863B (en) | 2015-06-24 | 2015-06-24 | Ring shuttle split type fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510351755.0A CN104928863B (en) | 2015-06-24 | 2015-06-24 | Ring shuttle split type fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104928863A CN104928863A (en) | 2015-09-23 |
| CN104928863B true CN104928863B (en) | 2017-02-22 |
Family
ID=54116277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510351755.0A Active CN104928863B (en) | 2015-06-24 | 2015-06-24 | Ring shuttle split type fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104928863B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110965223A (en) * | 2020-01-19 | 2020-04-07 | 佛山市启创科技发展有限公司 | Looper mechanism of towel embroidery computer embroidery machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1192493A (en) * | 1993-08-31 | 1998-09-09 | 重机公司 | Method for under thread supply in sewing machine |
| DE19645979C1 (en) * | 1996-11-07 | 1998-07-23 | Madeira Asia Pte Ltd | Device for changing the bobbin of an embroidery or sewing machine |
| CN102086576B (en) * | 2011-03-25 | 2013-08-07 | 佛山市启创科技发展有限公司 | Automatic shuttle peg feeder for automatic ground thread replacing device of computerized embroidery machine |
| CN102978851A (en) * | 2012-11-02 | 2013-03-20 | 中捷大宇机械有限公司 | Automatic ground thread changing device for digital control embroidery machine |
| CN203683890U (en) * | 2014-02-13 | 2014-07-02 | 嘉兴科萌自动化设备有限公司 | Device capable of enabling shuttle peg of sewing machine to be replaced automatically |
| CN204780233U (en) * | 2015-06-24 | 2015-11-18 | 武汉真优美电脑绣花机有限公司 | Split type fixing device of ring shuttle |
-
2015
- 2015-06-24 CN CN201510351755.0A patent/CN104928863B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104928863A (en) | 2015-09-23 |
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