CN106988032A - Automatic needle-foot-lifting mechanism and button-sewing machine - Google Patents
Automatic needle-foot-lifting mechanism and button-sewing machine Download PDFInfo
- Publication number
- CN106988032A CN106988032A CN201710370200.XA CN201710370200A CN106988032A CN 106988032 A CN106988032 A CN 106988032A CN 201710370200 A CN201710370200 A CN 201710370200A CN 106988032 A CN106988032 A CN 106988032A
- Authority
- CN
- China
- Prior art keywords
- presser foot
- connecting rod
- lifting mechanism
- foot
- automatic needle
- 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
- D05B29/00—Pressers; Presser feet
- D05B29/02—Presser-control devices
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B65/00—Devices for severing the needle or lower thread
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/10—Electrical or electromagnetic drives
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention provides a kind of automatic needle-foot-lifting mechanism and button-sewing machine, its connecting rod for making straight reciprocating motion for including actuator, being connected with actuator, and presser foot lifter bar, presser foot lifter bar rotational positioning is set, one end of presser foot lifter bar is slided with the end of the connecting rod by slide assemblies to be connected, and the glide direction of slide assemblies and the direction of motion formation angle of the connecting rod, the other end of presser foot lifter bar is connected with the transmission of presser foot lifter component, actuator drives presser foot lifter bar to move by connecting rod, and then drives the lifting of presser foot lifter component.The present invention drives presser foot lifter bar to swing by the cooperation of elongated slot and sliding axle, and driving presser foot lifter component is lifted and reduced, and whole mechanism driving is reliable, improves the precision of presser foot lifter.
Description
Technical field
The present invention relates to button-sewing machine technical field, more particularly to a kind of automatic needle-foot-lifting mechanism and button-sewing machine.
Background technology
Traditional button-sewing machine foot lifting mechanism is to rely on manually driven, adds the working strength of labourer, Er Qiechang
Time, frequently presser foot lifter will also result in the decline ached with operating efficiency on body.
Chinese patent 201520006239.X disclose it is a kind of adapt to the automatic needle-foot-lifting mechanism of button-sewing machine, and be provided with
The button-sewing machine of the automatic needle-foot-lifting mechanism, is rotatablely equipped with to be provided with a transverse axis, transverse axis in casing and rotates and lift with transverse axis
The link assembly of button-sewing machine presser foot lifter is played or puts down, one end of transverse axis is stretched out casing and is installed with outer pivoted arm, casing
Rear side is provided with electromagnetic driver, and the drive rod of electromagnetic driver is against on the outer pivoted arm.The utility model is driven using electromagnetism
Dynamic device drives transverse axis to rotate, and drives link assembly motion to realize lifting or putting down for presser foot lifter by the rotation of transverse axis.But by
There is disturbance in the rotation of transverse axis, therefore there is certain influence on presser foot lifter, presser foot lifter is there is the defects such as delay.
Accordingly, it would be desirable to which a kind of be driven accurately automatic needle-foot-lifting mechanism.
The content of the invention
The shortcoming of prior art, it is an object of the invention to provide a kind of automatic needle-foot-lifting mechanism, is used in view of the above
In solve in the prior art automatic needle-foot-lifting it is complicated be difficult to install the problem of.
In order to achieve the above objects and other related objects, the present invention provides a kind of automatic needle-foot-lifting mechanism, and it includes driving
Part, the connecting rod for making straight reciprocating motion being connected with actuator, and the presser foot lifter bar that rotational positioning is set, the one of presser foot lifter bar
Hold to slide by slide assemblies with the end of the connecting rod and be connected, and the glide direction of slide assemblies and the motion side of the connecting rod
To angle is formed, the other end of presser foot lifter bar is connected with the transmission of presser foot lifter component, and actuator drives presser foot lifter bar to turn by connecting rod
It is dynamic, and then drive the lifting of presser foot lifter component.
It is preferred that, the actuator is electromagnet, and the electromagnet is connected by pull bar with the rod hinge connection.
It is preferred that, the slide assemblies include the elongated slot being placed on the connecting rod, and are arranged on the presser foot lifter bar
Sliding axle, sliding axle is placed in the elongated slot along the elongated slot and slides.
It is preferred that, the elongated slot is a straight-line groove being obliquely installed, the motion of the incline direction of straight-line groove and the connecting rod
Direction is at an acute angle.
It is preferred that, the elongated slot is deep-slotted chip breaker.
It is preferred that, the fixed contiguous block in end of the connecting rod, the elongated slot is located on the contiguous block.
It is preferred that, the slide assemblies include the sliding groove being placed on the presser foot lifter bar, and are arranged on the connecting rod
On sliding axle, sliding axle is placed in the sliding groove along the sliding groove and slides.
It is preferred that, the sliding groove is a straight-line groove being obliquely installed, the fortune of the incline direction of straight-line groove and the connecting rod
Direction is moved into obtuse angle.
It is preferred that, the sliding groove is deep-slotted chip breaker.
It is preferred that, the automatic needle-foot-lifting mechanism, which also includes having on the guide pad being fixedly installed, guide pad, supplies the company
The guide groove that bar is passed through.
The present invention also provides a kind of button-sewing machine, and the button-sewing machine uses automatic needle-foot-lifting mechanism as described above.
It is preferred that, the button-sewing machine also includes trimming component and drives the drive rod of trimming component trimming, the driving
Bar is by the first jointed shaft and the support seat hinge being fixedly installed, one end phase that drive rod passes through the second jointed shaft and drive link
Even, the other end of drive link is connected with the sliding axle, and the hinge of the pin joint of drive link and drive rod, drive rod and support base
3 points of the drive station of contact and drive rod driving trimming component is in triangular distribution.
As described above, the automatic needle-foot-lifting mechanism and button-sewing machine of the present invention, have the advantages that：The present invention is used
Actuator drivening rod makees straight reciprocating motion, and connecting rod is slided by slide assemblies with presser foot lifter bar and is connected, and slide assemblies
Glide direction and connecting rod the direction of motion formation angle, when connecting rod is moved back and forth, by it is oblique slide realize presser foot lifter bar
Swing, driving presser foot lifter component is lifted and reduced, and whole mechanism driving is reliable, improves the precision of presser foot lifter.
Brief description of the drawings
Fig. 1 is shown as a structural representation of the automatic needle-foot-lifting mechanism of the present invention.
Fig. 2 is shown as the schematic diagram of the button-sewing machine of the present invention.
Fig. 3 is shown as the automatic needle-foot-lifting mechanism of the present invention and the schematic diagram of thread cutting mechanism.
Component label instructions
1 actuator
2 pull bars
3 connecting rods
4 contiguous blocks
401 elongated slots
5 sliding axles
6 guide pads
7 presser foot lifter bars
8 drive links
9 drive rods
10 support bases
11 casings
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 understands other advantages and effect of the present invention easily.
Fig. 1 is referred to Fig. 3.It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., is only used to
Coordinate the content disclosed in specification, so that those skilled in the art is understood with reading, being not limited to the present invention can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influenceing effect of the invention that can be generated and the purpose that can reach, all should still it fall in disclosed skill
In the range of art content can cover.Meanwhile, in this specification it is cited as " on ", " under ", "left", "right", " centre " and
The term of " one " etc., is merely convenient to understanding for narration, and is not used to limit enforceable scope of the invention, its relativeness
It is altered or modified, under without essence change technology contents, when being also considered as enforceable category of the invention.
The present invention provides a kind of automatic needle-foot-lifting mechanism, as shown in Figure 1, and it includes actuator 1, be connected with actuator 1
Make the connecting rod 3 of straight reciprocating motion, and presser foot lifter bar 7, the rotational positioning of presser foot lifter bar 7 is set, one end of presser foot lifter bar 7 and company
The end of bar 3 is slided by slide assemblies to be connected, and the glide direction of slide assemblies and the direction of motion formation of the connecting rod 3 are pressed from both sides
Angle, the other end of presser foot lifter bar 7 is connected with the transmission of presser foot lifter component, and actuator 1 drives presser foot lifter bar 7 to rotate by connecting rod 3, enters
And drive presser foot lifter component to lift.The present invention makees straight reciprocating motion using actuator drivening rod, and connecting rod and presser foot lifter bar
Slided and be connected by slide assemblies, and the glide direction and the direction of motion formation angle of connecting rod of slide assemblies, when connecting rod is reciprocal
During motion, realize that presser foot lifter bar is swung by oblique slip, driving presser foot lifter component is lifted and reduced, and whole mechanism driving can
Lean on, improve the precision of presser foot lifter.
As a specific embodiment of above-mentioned slide assemblies, as shown in Figure 1, it includes：On the end for being placed in the connecting rod 3
Elongated slot 401, the end of the presser foot lifter bar 7 has a sliding axle 5 stretched into elongated slot 401, and the sliding axle 5 is along elongated slot 401
Slide, actuator 1 drives presser foot lifter bar 7 to move by connecting rod 3, and then drive the lifting of presser foot lifter component.The present invention drives by one
The drivening rod 3 of moving part 1 makees straight reciprocating motion, and then drives presser foot lifter bar 7 to swing by the cooperation of sliding axle 5 and elongated slot 401,
The lifting and decline of presser foot lifter component are realized, whole mechanism structure is compact, it is easy to install, and transmission forms stable, improves certainly
The precision of dynamic presser foot lifter.
For preferably realize above-mentioned elongated slot 401 in the swing of above-mentioned presser foot lifter bar 7, the present embodiment be one be obliquely installed it is straight
Wire casing, the direction of motion of the incline direction and connecting rod 3 of straight-line groove is at an acute angle.It is real by the straight-line groove being tilted towards in the present embodiment
Now when connecting rod is slided backward, sliding axle is limited along elongated slot slide downward by elongated slot, and then realizes the stable pendulum of presser foot lifter bar 7
It is dynamic.
Above-mentioned elongated slot is alternatively deep-slotted chip breaker, i.e., only need the linear motion of connecting rod can be converted into cunning of the short axle in elongated slot
Swing that is dynamic and then realizing presser foot lifter bar 7.
Preferably to set and installing, the present embodiment is in the fixed contiguous block 4 in end of above-mentioned connecting rod 3, the elongated slot 401
On the contiguous block 4.Contiguous block and connecting rod are split-type structural in the present embodiment, can independently be produced.In addition, above-mentioned elongated slot
Directly it can also be formed in the end of connecting rod, i.e., the structure that contiguous block 4 is formed in one with connecting rod 3.
As another embodiment of above-mentioned slide assemblies, it is unillustrated, the present embodiment is unlike the embodiments above to be in
In：This implementation includes the sliding groove being placed on above-mentioned presser foot lifter bar, and the sliding axle being arranged on above-mentioned connecting rod, and sliding axle is put
In in the sliding groove along the sliding groove slide.Slided preferably to realize in the swing of above-mentioned presser foot lifter bar 7, the present embodiment
Groove can be a straight-line groove being obliquely installed, and the direction of motion of the incline direction of straight-line groove and the connecting rod is into obtuse angle.Above-mentioned slip
Groove its be alternatively deep-slotted chip breaker.
Above-mentioned actuator 1 can be electromagnet, and electromagnet is hinged and connected by pull bar 2 with the connecting rod 3.Electromagnet is fixed on
On the casing of sewing machine (such as button-sewing machine), during energization, the adhesive of pull bar 2, connecting rod 3 are hinged on the pan of pull bar 2 by electromagnet,
Slided backward by its pulling, then connecting rod resets for electromagnet power-off, that is, travels forward.Above-mentioned actuator 1 can also be stretched to be pneumatic
Contracting cylinder etc..
Also include being fixedly installed to ensure that above-mentioned connecting rod makees the automatic needle-foot-lifting mechanism in linear reciprocation movement, the present embodiment
Guide pad 6, there is the guide groove passed through for the connecting rod 3 as shown in Figure 3, on guide pad 6.It is being oriented to by the way that connecting rod 3 is spacing
In groove, making the motion of connecting rod 3 can only slide along guide groove, it is ensured that connecting rod 3 is for linear motion.
To ensure that above-mentioned connecting rod makees linear reciprocation movement, the pull bar of above-mentioned connecting rod 3 and electromagnet can pass through the locking such as welding
Form is connected, and connecting rod is formed being connected for stability with pull bar, and both are consistent for linear motion.
The course of work of the automatic needle-foot-lifting mechanism of the present embodiment is：Electromagnet is by the adhesive of pull bar 2 during energization, connecting rod 3 by
Pull bar 2 is pulled and slided in the guide groove of guide pad 6, and contiguous block 4 and elongated slot 401 are acted, the mobile promotion of elongated slot 40
Sliding axle 5 is moved downward along groove face, so that presser foot lifter bar 7 is swung, realizes that presser foot lifter is acted；When correspondingly powering off, electromagnetism
Iron discharges pull bar, and connecting rod 3, contiguous block 4 and the counter motion of elongated slot 401, elongated slot 401 be so that the backswing of presser foot lifter bar 7,
Realize that decompression foot-propelled is made.
The present invention also provides a kind of button-sewing machine, and the button-sewing machine uses automatic needle-foot-lifting mechanism as described above.The present invention
Button-sewing machine the automatic lifting and decline of presser foot component are completed using above-mentioned automatic needle-foot-lifting mechanism.
As shown in Figures 2 and 3, the button-sewing machine of the present embodiment also includes trimming component and drives the drive of trimming component trimming
Lever 9, by the first jointed shaft, (support base 10 is fixed on the drive rod 9 in the present embodiment with the support base 10 that is fixedly installed
On casing 11) be hinged, drive rod 9 is connected by the second jointed shaft with one end of drive link 8, the other end of drive link 8 with it is above-mentioned
Sliding axle 5 is connected, and drive link 8 drives with the pin joint of drive rod 9, the pin joint and drive rod 9 of drive rod 9 and support base 10
3 points of the drive station of dynamic trimming component is in triangular distribution.There are two pans in the present embodiment on drive rod 9, one with being driven
One end of bar 8 is hinged the pin joint as drive link 8 and drive rod 9, and another is hinged as driving with the hole on support base 10
The pin joint of bar 9 and support base 10.Above-mentioned presser foot lifter bar 7, drive link 8 and drive rod 9 collectively constitute a four-bar mechanism, work as lift
When presser bar 7 is swung, the swing of drive rod 9 can be also driven, so as to realize that trimming is acted.The present embodiment makes the lift of whole button-sewing machine
Presser foot device and thread cutting mechanism are driven by same actuator, have been simplified between whole drive system, and presser foot lifter and trimming action
Cooperation coordinates more stable.
In summary, automatic needle-foot-lifting mechanism of the invention and button-sewing machine, it uses actuator drivening rod to make straight line
Move back and forth, and connecting rod with presser foot lifter bar is oblique is slidably matched, when connecting rod is moved back and forth, pass through the mating band of slide assemblies
Dynamic presser foot lifter bar is swung, and driving presser foot lifter component is lifted and reduced, and whole mechanism driving is reliable, improves the precision of presser foot lifter.
So, the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (12)
1. a kind of automatic needle-foot-lifting mechanism, it is characterised in that：What is be connected including actuator, with actuator makees straight reciprocating motion
Connecting rod, and the presser foot lifter bar that rotational positioning is set, one end of presser foot lifter bar and the end of the connecting rod are slided by slide assemblies
It is dynamic to be connected, and the glide direction of slide assemblies and the direction of motion formation angle of the connecting rod, the other end of presser foot lifter bar and lift
Presser foot component transmission is connected, and actuator drives presser foot lifter bar to rotate by connecting rod, and then drives the lifting of presser foot lifter component.
2. automatic needle-foot-lifting mechanism according to claim 1, it is characterised in that：The actuator is electromagnet, the electricity
Magnet is connected by pull bar with the rod hinge connection.
3. automatic needle-foot-lifting mechanism according to claim 1, it is characterised in that：The slide assemblies include being placed in the company
Elongated slot on bar, and the sliding axle being arranged on the presser foot lifter bar, sliding axle are placed in the elongated slot along the elongated slot and slided
It is dynamic.
4. automatic needle-foot-lifting mechanism according to claim 3, it is characterised in that：The elongated slot is a straight line being obliquely installed
Groove, the direction of motion of the incline direction of straight-line groove and the connecting rod is at an acute angle.
5. automatic needle-foot-lifting mechanism according to claim 3, it is characterised in that：The elongated slot is deep-slotted chip breaker.
6. automatic needle-foot-lifting mechanism according to claim 3, it is characterised in that：The fixed connection in end of the connecting rod
Block, the elongated slot is located on the contiguous block.
7. automatic needle-foot-lifting mechanism according to claim 1, it is characterised in that：The slide assemblies include being placed in the lift
Sliding groove on presser bar, and the sliding axle being arranged on the connecting rod, sliding axle are placed in the sliding groove along the cunning
Dynamic groove is slided.
8. automatic needle-foot-lifting mechanism according to claim 6, it is characterised in that：The sliding groove be one be obliquely installed it is straight
Wire casing, the direction of motion of the incline direction of straight-line groove and the connecting rod is into obtuse angle.
9. automatic needle-foot-lifting mechanism according to claim 6, it is characterised in that：The sliding groove is deep-slotted chip breaker.
10. automatic needle-foot-lifting mechanism according to claim 1, it is characterised in that：The automatic needle-foot-lifting mechanism also includes
There is the guide groove passed through for the connecting rod on the guide pad being fixedly installed, guide pad.
11. a kind of button-sewing machine, it is characterised in that：The button-sewing machine is used as described in claim 1 to any one of claim 5
Automatic needle-foot-lifting mechanism.
12. button-sewing machine according to claim 11, it is characterised in that：The button-sewing machine also includes trimming component and driving
The drive rod of trimming component trimming, the drive rod is led to by the first jointed shaft and the support seat hinge being fixedly installed, drive rod
Cross the second jointed shaft with one end of drive link to be connected, the other end of drive link is connected with the sliding axle, and drive link and driving
Pin joint, the pin joint of drive rod and support base and the drive rod of bar drive 3 o'clock triangularities minute of drive station of trimming component
Cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710370200.XA CN106988032A (en) | 2017-05-23 | 2017-05-23 | Automatic needle-foot-lifting mechanism and button-sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710370200.XA CN106988032A (en) | 2017-05-23 | 2017-05-23 | Automatic needle-foot-lifting mechanism and button-sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106988032A true CN106988032A (en) | 2017-07-28 |
Family
ID=59420382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710370200.XA Pending CN106988032A (en) | 2017-05-23 | 2017-05-23 | Automatic needle-foot-lifting mechanism and button-sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106988032A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114164577A (en) * | 2021-11-17 | 2022-03-11 | 上海鲍麦克斯电子科技有限公司 | Thread trimming and presser foot device for stepping button sewing machine |
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| JP2006271467A (en) * | 2005-03-28 | 2006-10-12 | Juki Corp | Sewing machine |
| CN203187943U (en) * | 2013-02-04 | 2013-09-11 | 西安标准工业股份有限公司 | Adjustable follow-up pressing foot |
| CN204343014U (en) * | 2014-10-31 | 2015-05-20 | 浙江美机缝纫机有限公司 | A kind of computer flat sewing machine automatic needle-foot-lifting structure |
| CN105525449A (en) * | 2016-01-27 | 2016-04-27 | 浙江美机缝纫机有限公司 | Sewing machine head internally equipped with presser foot lifting mechanism |
| CN206109689U (en) * | 2016-09-30 | 2017-04-19 | 浙江中捷缝纫科技有限公司 | Presser foot lifting mechanism of sewing machine |
| CN106637735A (en) * | 2016-12-07 | 2017-05-10 | 杰克缝纫机股份有限公司 | Trim thread, lifting foot pressure mechanism and sewing machine. |
-
2017
- 2017-05-23 CN CN201710370200.XA patent/CN106988032A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006271467A (en) * | 2005-03-28 | 2006-10-12 | Juki Corp | Sewing machine |
| CN203187943U (en) * | 2013-02-04 | 2013-09-11 | 西安标准工业股份有限公司 | Adjustable follow-up pressing foot |
| CN204343014U (en) * | 2014-10-31 | 2015-05-20 | 浙江美机缝纫机有限公司 | A kind of computer flat sewing machine automatic needle-foot-lifting structure |
| CN105525449A (en) * | 2016-01-27 | 2016-04-27 | 浙江美机缝纫机有限公司 | Sewing machine head internally equipped with presser foot lifting mechanism |
| CN206109689U (en) * | 2016-09-30 | 2017-04-19 | 浙江中捷缝纫科技有限公司 | Presser foot lifting mechanism of sewing machine |
| CN106637735A (en) * | 2016-12-07 | 2017-05-10 | 杰克缝纫机股份有限公司 | Trim thread, lifting foot pressure mechanism and sewing machine. |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114164577A (en) * | 2021-11-17 | 2022-03-11 | 上海鲍麦克斯电子科技有限公司 | Thread trimming and presser foot device for stepping button sewing machine |
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