CN106948095B - A kind of anti-staggered floor device of sewing and overedger - Google Patents
A kind of anti-staggered floor device of sewing and overedger Download PDFInfo
- Publication number
- CN106948095B CN106948095B CN201710343339.5A CN201710343339A CN106948095B CN 106948095 B CN106948095 B CN 106948095B CN 201710343339 A CN201710343339 A CN 201710343339A CN 106948095 B CN106948095 B CN 106948095B
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- Prior art keywords
- eccentric shaft
- retainer
- sewing
- staggered floor
- floor device
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/02—Work-feeding means with feed dogs having horizontal and vertical movements
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
- D05D2207/00—Use of special elements
- D05D2207/02—Pneumatic or hydraulic devices
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention provides a kind of anti-staggered floor device of sewing, including having the fixed retainer of swing pivot, the feeding tooth for being located at retainer one end, rotatable eccentric shaft and the driving mechanism for driving eccentric shaft turns, the other end of retainer offers first sliding groove, and the fixation swing pivot of retainer is between feeding tooth and first sliding groove；Eccentric shaft includes shaft body portion and eccentric setting in the eccentric shaft portion in shaft body portion, and shaft body portion is connected with driving mechanism, and eccentric shaft portion is installed in rotation in the first sliding groove of retainer and is slidably matched with first sliding groove；When presser foot lifter or after presser foot lifter, driving mechanism is moved down by one end that eccentric shaft drives retainer to be equipped with feeding tooth, so that feeding tooth drops to the lower section of needle plate, increase in the feeding process before sewing needle plate between presser feet at a distance from and contact sewing not with feeding tooth, and then while being convenient for feeding, moreover it is possible to avoid before sewing sewing itself that staggered floor occurs, is layered.
Description
Technical field
The present invention relates to a kind of garment sewing equipment, more particularly to a kind of anti-staggered floor device of sewing and have described
The overedger of the anti-staggered floor device of sewing.
Background technique
Currently, various types of sewing machines (including flat seam machine, overedger, flat seaming machine etc.) design when, sewing machine
There is fixed distance between middle presser feet and needle plate, and in the sewing machine of most of models, between above-mentioned presser feet and needle plate
Distance is all smaller.It is well known that sewing machine is typically necessary before starting sewing and is lifted up presser feet, then by sewing
It is sent between presser feet and needle plate, exactly moves to highest point on eedle at this time, the feeding tooth on retainer moves up to highest point
Moment, therefore feeding tooth is higher by needle plate 1mm or so under normal circumstances, this is allowed between natively hard up presser feet and needle plate
Distance seem narrower, so that sewing machine be caused to have the following deficiencies:
When sewing thicker sewing, sewing is sent into the feeding process meeting between presser feet and needle plate before starting sewing
Very painstakingly, simultaneously because the rough and feeding tooth of feeding tooth is above needle plate, so that the feeding process before sewing
In, between feeding tooth and sewing generate biggish frictional force, be easy to cause that staggered floor occurs for before sewing sewing itself, layering shows
As significantly reducing sewing quality.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of anti-staggered floor device of sewing,
In upward presser foot lifter and after presser feet is lifted up, feeding tooth can drop to the lower section of needle plate.
To achieve the above object, the present invention provides a kind of anti-staggered floor device of sewing, including having the tooth of fixed swing pivot
Frame and the feeding tooth for being located at retainer one end further include rotatable eccentric shaft and the driving mechanism for driving eccentric shaft turns, institute
The other end for stating retainer offers first sliding groove, and the fixation swing pivot of retainer is between feeding tooth and first sliding groove；It is described
Eccentric shaft includes shaft body portion and eccentric setting in the eccentric shaft portion in shaft body portion, the shaft body portion and driving mechanism phase
Connection, the eccentric shaft portion is installed in rotation in the first sliding groove of retainer and is slidably matched with first sliding groove；Work as presser foot lifter
When or presser foot lifter after, the driving mechanism by eccentric shaft drive retainer be equipped with feeding tooth one end move down.
Further, the eccentric shaft portion is connected with retainer by sliding block, and the sliding block is rotationally covered in eccentric shaft
It in portion and is slidably mounted in first sliding groove, and sliding block and the cell wall of first sliding groove are face contact.
Further, the driving mechanism includes power source, take-up housing and crank, the output end of the power source with
Take-up housing is mutually fixed, and offers second sliding slot in the take-up housing, and one end of take-up housing and crank is parallel to shaft body by one
The axial screw in portion is hinged, and the axial screw is located in second sliding slot and is slidably matched with second sliding slot, the crank
The one end of the other end with shaft body portion far from eccentric shaft portion is mutually fixed.
Preferably, the power source is a double-acting cylinder.
Further, the driving mechanism further includes fixed bracket, and the power source is fixed on fixed bracket, described solid
Fixed rack is fixed on casing.
Preferably, the retaining ring for being located at retainer two sides is fixed in the eccentric shaft portion of the eccentric shaft.
It further, further include the axle sleeve for being fixed on casing, the shaft body portion of the eccentric shaft is installed in rotation on axis
In set.
Preferably, oil sealing is equipped between the axle sleeve and casing.
Preferably, the material of the axle sleeve is copper.
The present invention also provides a kind of overedger, sewing as described above anti-staggered floor device is installed in the overedger.
As described above, the anti-staggered floor device of sewing of the present invention and overedger, have the advantages that
In the application, after presser foot lifter or presser feet lift, driving mechanism movement is equipped with by eccentric shaft driving retainer and is sent
One end of material tooth moves down, so that feeding tooth drops to the lower section of needle plate or feeding tooth is not stretched upwardly at least from the upper end of needle plate
Out, so increase in the feeding process before sewing needle plate between presser feet at a distance from and contact sewing not with feeding tooth, into
And while being convenient for feeding, moreover it is possible to avoid the sewing itself before sewing final to improve matter of sewing there is a phenomenon where staggered floor, layering
Amount.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the anti-staggered floor device of sewing in the application.
Fig. 2 is the structural schematic diagram of eccentric shaft in the application.
Fig. 3 is the eccentric shaft portion of eccentric shaft and the connection schematic diagram of retainer in the application.
Component label instructions
1 retainer
11 first sliding grooves
12 mounting grooves
2 eccentric shafts
21 shaft body portions
22 eccentric shaft portions
23 positioning steps
3 sliding blocks
4 driving mechanisms
41 power sources
42 take-up housings
421 second sliding slots
43 cranks
44 axial screws
45 fixed brackets
5 retaining rings
6 axle sleeves
7 oil sealings
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
It should be clear that structure, ratio, size etc. that this specification attached drawing is drawn, only to cooperate specification revealed interior
Hold, so that those skilled in the art understands and reads, is not intended to limit the invention enforceable qualifications, therefore does not have skill
Essential meaning in art, the modification of any structure, the change of proportionate relationship or the adjustment of size can be produced not influencing the present invention
Under raw effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents can cover.Together
When, cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term, be merely convenient to chat
It states clearly, rather than to limit the scope of the invention, relativeness is altered or modified, and is changing technology without essence
It inside holds, when being also considered as the enforceable scope of the present invention.
The application provides a kind of anti-staggered floor device of sewing, is mounted in various sewing machines, upward for executing in sewing machine
When presser foot lifter and after presser feet is lifted up, move down feeding tooth automatically, not higher than the upper surface of needle plate.Such as Fig. 1 institute
Show, the anti-staggered floor device of sewing includes retainer 1, rotatable eccentric shaft 2 and driving eccentric shaft 2 with fixed swing pivot
The driving mechanism 4 of rotation.Extend before and after the moving direction of sewing when the retainer 1 is sewed along sewing machine, the front end installation of retainer 1
There is feeding tooth (not shown), the rear end of retainer 1 offers the first sliding groove 11 extended along 1 length direction of retainer, and first
Sliding slot 11 penetrates through the rear end of retainer 1 backward, and the fixation swing pivot of the retainer 1 is located at feeding tooth and first in the longitudinal direction
Between sliding slot 11.As depicted in figs. 1 and 2, the eccentric shaft 2 include left and right extend shaft body portion 21 and eccentric setting in
The right end in the eccentric shaft portion 22 of 21 left end of shaft body portion, the shaft body portion 21 is connected with driving mechanism 4, the eccentric shaft portion
22 are installed in rotation in the first sliding groove 11 of retainer 1 and are slidably matched with first sliding groove 11, therefore, shaft body portion 21
The relationship that center of rotation and eccentric shaft portion 22 and the cooperation center of retainer 1 are set for the eccentric.
In the present embodiment, as shown in Figure 1, having the mounting groove 12 of left and right perforation in retainer 1, the mounting groove 12 is for installing
The driving sliding block matched with main shaft drives the cooperation center of sliding block and main shaft to constitute the fixation swing pivot of retainer 1.Starting
It before sewing, needs for presser feet to be lifted up, so that sewing to be sent between presser feet and needle plate, presser feet is put down again later, therefore is pressed
Foot overlays sewing on needle plate, and drives the compound motion of the front and back of feeding tooth back and forth and up and down reciprocatingly to drive by retainer 1
Sewing moves forward, and therefore, in sewing process, the motion profile of retainer 1 and feeding tooth is in ellipticity.Particularly, when upward
When presser foot lifter or after presser feet is lifted up, the movement of driving mechanism 4 drives the shaft body portion 21 of eccentric shaft 2 to rotate certain angle
Degree, the eccentric shaft portion 22 of 2 left end of eccentric shaft rotates same angle and generates a difference in height in the up-down direction, and then drives
The rear end of dynamic retainer 1 moves up, therefore retainer 1 is swung around its fixation swing pivot, the front end of retainer 1 necessarily moves down, so that before retainer 1
The feeding tooth at end moves down and meets claimed below: not exposing upwardly from the upper end of needle plate the upper surface of feeding tooth, it may be assumed that feeding tooth
Upper surface be not higher than needle plate upper surface, so, feeding tooth can be located at needle plate alveolus in, can also be located at needle plate under
Side.Therefore, sewing is being sent into the feeding process between presser feet and needle plate before sewing, in sewing thickness between needle plate and presser feet
Distance on direction becomes larger, consequently facilitating feeding, and become relative ease when carrying out and sewing thick material；Particularly, in feeding
Cheng Zhong, sewing are not contacted with feeding tooth, therefore the frictional force between feeding tooth and sewing is reduced to zero, effectively reduces and stitches before sewing
Expecting itself, there is a phenomenon where staggered floors, layering, final to improve sewing quality and sewing effect.After feeding, presser feet is put down, and is compressed
Sewing, 4 counteragent of driving mechanism reset, and eccentric shaft 2 is driven to reset, and then the rear end of retainer 1 is driven to move down, before retainer 1
End moves up, and feeding tooth exposes upwardly from the upper end of needle plate, the normal feeding in sewing process.
Further, the connection structure between the retainer 1 and the eccentric shaft portion 22 of eccentric shaft 2 are as follows: as shown in figure 3, institute
It states eccentric shaft portion 22 and retainer 1 to be connected by sliding block 3, the sliding block 3 rotationally covers in eccentric shaft portion 22 and slidably
Ground is mounted in first sliding groove 11, and sliding block 3 and the cell wall of first sliding groove 11 are face contact, and therefore, sliding block 3 is square, is intermediate
Circle with left and right perforation is logical.Preferably, tooth is located at as shown in Figure 1, being fixed in the eccentric shaft portion 22 of the eccentric shaft 2
The retaining ring 5 of 1 left and right sides of frame, realizes the limit in 22 axial direction of eccentric shaft portion；The retaining ring 5 is with eccentric shaft portion 22 by along axis
The screw that eccentric part 22 radially extends mutually is fixed.
Further, described as shown in Figure 1, the driving mechanism 4 includes power source 41, take-up housing 42 and crank 43
The output end of power source 41 is fixed with 42 phase of take-up housing, and second sliding slot 421, second sliding slot 421 are offered in the take-up housing 42
The lower end of extension and the downwards lower end of perforation take-up housing 42 up and down, take-up housing 42 and crank 43 passes through one or so the axle position extended
Screw 44 is hinged, and the axial screw 44 is located in second sliding slot 421 and is slidably matched with second sliding slot 421, the crank
43 upper end cap is passing through the screw phase that radially extends along shaft body portion 21 with the right end in shaft body portion 21 and with shaft body portion 21
It is fixed.In the present embodiment, the power source 41 is a double-acting cylinder, or electromagnet, the piston rod of double-acting cylinder
It stretches along the longitudinal direction.The shaft body portion 21 of the eccentric shaft 2 is supported by one by the axle sleeve 6 that screw is fixed on casing, therefore partially
The shaft body portion 21 of mandrel 2 is installed in rotation in axle sleeve 6.When upward presser foot lifter or after presser feet is lifted up, double acting
The piston rod of cylinder stretches out backward, drives the lower end of crank 43 to turn around the shaft body portion 21 of eccentric shaft 2 by axial screw 44
Dynamic center rotates an angle, and then the shaft body portion 21 of eccentric shaft 2 is driven synchronously to rotate an angle, realizes feeding tooth certainly
The dynamic lower section for dropping to needle plate upper surface.The crank 43 also plays while transmitting double-acting cylinder power to eccentric shaft
The effect of 2 21 right end of shaft body portion positioning, the left end in the shaft body portion 21 of eccentric shaft 2 by eccentric shaft 2 itself positioning step
23 positioning；Double-acting cylinder remains the effect to crank 43 under the influence of air pressure, and then makes eccentric shaft 2 in crank 43
Under the action of the lower section that is fixed on certain angle always and the lower end of feeding tooth is made to be always positioned at needle plate upper surface, in turn
Guarantee being normally carried out for the preceding feeding of sewing.After presser feet is put down, then the piston rod of double-acting cylinder is retracted forward, is resetted, and is passed through
Crank 43 drives eccentric shaft 2 to reset, so that feeding tooth rises automatically, resets.In the operation process of overedger, overedger is sent
Expect that mechanism driving retainer 1 and feeding agomphiasis are made, realizes feeding；Also, double-acting cylinder acts on eccentric shaft 2 by crank 43
Power is far longer than the conduction of retainer 1 in the power of eccentric shaft 2, therefore keeps eccentric shaft 2 not in sewing process by double-acting cylinder
It is dynamic, guarantee being normally carried out for sewing.
As shown in Figure 1, the driving mechanism 4 further includes fixed bracket 45, the power source 41 is fixed on fixed bracket 45
On, the fixed bracket 45 is fixed on casing.It is equipped with oil sealing 7 between the axle sleeve 6 and casing, plays the role of sealing.It is described
The material of axle sleeve 6 is copper, therefore axle sleeve 6 is also a copper sheathing, and wearability is good, and hardness is high, is not likely to produce and kills phenomenon.
In addition, then sewing machine also has electronic control module and auto lifting when being configured with automatic needle-foot-lifting mechanism in sewing machine
Presser foot lifter power source in presser foot device, presser foot lifter power source and double-acting cylinder are all connected with the electronic control module of sewing machine,
While the movement of electric control module controls presser foot lifter power source, double-acting cylinder movement can be also controlled, is realized in the same of presser foot lifter
When feeding tooth decline and feeding tooth moves up while bleeding off pressure foot, i.e., the lifting and put down of presser feet, with the decline of feeding tooth and
Rising can link, to improve the degree of automation of sewing machine.
The application also provides a kind of overedger, and the anti-staggered floor device of sewing as described above is equipped in the overedger.
In conclusion the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of anti-staggered floor device of sewing, including there is the retainer (1) of fixed swing pivot and be located at the feeding of retainer (1) one end
Tooth, it is characterised in that: it further include the driving mechanism (4) of rotatable eccentric shaft (2) and driving eccentric shaft (2) rotation, it is described
The other end of retainer (1) offers first sliding groove (11), and the fixation swing pivot of retainer (1) is located at feeding tooth and first sliding groove
(11) between；The eccentric shaft (2) includes shaft body portion (21) and eccentric setting in the eccentric shaft portion of shaft body portion (21)
(22), the shaft body portion (21) is connected with driving mechanism (4), and the eccentric shaft portion (22) is installed in rotation on retainer
(1) it is slidably matched in first sliding groove (11) and with first sliding groove (11)；When presser foot lifter or after presser foot lifter, the driving machine
Structure (4) is moved down by one end that eccentric shaft (2) driving retainer (1) is equipped with feeding tooth, and feeding tooth is made to be not higher than the upper end of needle plate
Face；After presser feet is put down, driving mechanism (4) counteragent makes eccentric shaft (2), retainer (1) and each Self-resetting of feeding tooth.
2. the anti-staggered floor device of sewing according to claim 1, it is characterised in that: the eccentric shaft portion (22) and retainer (1)
It is connected by sliding block (3), the sliding block (3) rotationally covers on eccentric shaft portion (22) and is slidably mounted in first
In sliding slot (11), and sliding block (3) and the cell wall of first sliding groove (11) are face contact.
3. the anti-staggered floor device of sewing according to claim 1, it is characterised in that: the driving mechanism (4) includes power source
(41), take-up housing (42) and crank (43), output end and the take-up housing (42) of the power source (41) are mutually fixed, the cunning
It is offered in block (42) second sliding slot (421), one end of take-up housing (42) and crank (43) is parallel to shaft body portion by one
(21) axial screw (44) is hinged, and the axial screw (44) is located in second sliding slot (421) and and second sliding slot
(421) it is slidably matched, the other end of the crank (43) is mutually fixed with shaft body portion (21) far from the one end of eccentric shaft portion (22).
4. the anti-staggered floor device of sewing according to claim 3, it is characterised in that: the power source (41) is a double acting gas
Cylinder.
5. the anti-staggered floor device of sewing according to claim 3, it is characterised in that: the driving mechanism (4) further includes fixing
Bracket (45), the power source (41) are fixed on fixed bracket (45), and the fixed bracket (45) is fixed on casing.
6. the anti-staggered floor device of sewing according to claim 1, it is characterised in that: the eccentric shaft portion of the eccentric shaft (2)
(22) retaining ring (5) for being located at retainer (1) two sides is fixed on.
7. the anti-staggered floor device of sewing according to claim 1, it is characterised in that: it further include the axle sleeve (6) for being fixed on casing,
The shaft body portion (21) of the eccentric shaft (2) is installed in rotation in axle sleeve (6).
8. the anti-staggered floor device of sewing according to claim 7, it is characterised in that: be equipped between the axle sleeve (6) and casing
Oil sealing (7).
9. the anti-staggered floor device of sewing according to claim 7, it is characterised in that: the material of the axle sleeve (6) is copper.
10. a kind of overedger, it is characterised in that: it is anti-to be equipped with the described in any item sewings of claim 1-9 in the overedger
Staggered floor device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710343339.5A CN106948095B (en) | 2017-05-16 | 2017-05-16 | A kind of anti-staggered floor device of sewing and overedger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710343339.5A CN106948095B (en) | 2017-05-16 | 2017-05-16 | A kind of anti-staggered floor device of sewing and overedger |
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| Publication Number | Publication Date |
|---|---|
| CN106948095A CN106948095A (en) | 2017-07-14 |
| CN106948095B true CN106948095B (en) | 2019-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710343339.5A Active CN106948095B (en) | 2017-05-16 | 2017-05-16 | A kind of anti-staggered floor device of sewing and overedger |
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| Country | Link |
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| CN (1) | CN106948095B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109468756B (en) * | 2018-12-22 | 2021-06-01 | 杰克缝纫机股份有限公司 | Cloth feeding tooth rack resetting method |
| CN111748919B (en) * | 2019-03-29 | 2022-06-21 | 杰克科技股份有限公司 | Tooth rack height adjusting mechanism of lockstitch sewing machine |
| CN112853628B (en) * | 2019-11-28 | 2022-07-05 | 杰克科技股份有限公司 | Lower supply mechanism for flat seaming machine and flat seaming machine |
| CN112853632B (en) * | 2019-11-28 | 2022-09-09 | 杰克科技股份有限公司 | Feed lifting mechanism with adjustable feed lifting height and flat seaming machine |
| CN111350032B (en) * | 2020-04-13 | 2021-09-28 | 杰克缝纫机股份有限公司 | Feeding adjusting mechanism of sewing machine |
| CN113957622B (en) * | 2020-07-21 | 2023-04-25 | 杰克科技股份有限公司 | Flat seaming machine |
| CN112921507B (en) * | 2021-01-21 | 2021-12-17 | 浙江沪龙科技股份有限公司 | Control method for preventing cloth from moving caused by lifting and placing presser foot during mechanical linkage |
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| CN1270246A (en) * | 1999-02-08 | 2000-10-18 | 重机株式会社 | Mechanism for regulating height of pay-off teeth |
| CN101457448A (en) * | 2007-12-12 | 2009-06-17 | Juki株式会社 | Middle presser foot device of sewing machine |
| CN204237978U (en) * | 2014-11-21 | 2015-04-01 | 浙江美机缝纫机有限公司 | The oil-leakage-prevention retainer of industrial sewing machines |
| CN105088548A (en) * | 2015-09-30 | 2015-11-25 | 杰克缝纫机股份有限公司 | Sewing machine feeding mechanism |
| CN105887353A (en) * | 2016-06-24 | 2016-08-24 | 杰克缝纫机股份有限公司 | Presser foot mechanisms for overedger and overedger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9200394B2 (en) * | 2011-09-18 | 2015-12-01 | Hsien-Chang Tseng | Guiding structure for a cloth feeding mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1270246A (en) * | 1999-02-08 | 2000-10-18 | 重机株式会社 | Mechanism for regulating height of pay-off teeth |
| CN101457448A (en) * | 2007-12-12 | 2009-06-17 | Juki株式会社 | Middle presser foot device of sewing machine |
| CN204237978U (en) * | 2014-11-21 | 2015-04-01 | 浙江美机缝纫机有限公司 | The oil-leakage-prevention retainer of industrial sewing machines |
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| CN106948095A (en) | 2017-07-14 |
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Address after: 318010 No. 1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |
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