CN108823827A - Presser foot lifting device - Google Patents
Presser foot lifting device Download PDFInfo
- Publication number
- CN108823827A CN108823827A CN201810777141.2A CN201810777141A CN108823827A CN 108823827 A CN108823827 A CN 108823827A CN 201810777141 A CN201810777141 A CN 201810777141A CN 108823827 A CN108823827 A CN 108823827A
- Authority
- CN
- China
- Prior art keywords
- press box
- rod
- presser foot
- swing rod
- drive
- 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.)
- Granted
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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
- D05B69/00—Driving-gear; Control devices
- D05B69/02—Mechanical drives
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a kind of presser foot lifting device, the first articulated shaft and drive link are articulated on the first swing rod, presser foot component is equipped with the first default face and the second default face for matching with the pushing part of the first swing rod；Second swing rod is articulated with the second articulated shaft, and the push rod for pushing the second swing rod is fixed in drive link, and press box component is connected to the second swing rod；Driving device is able to drive drive link reciprocating motion, to drive the first swing rod to swing around the first articulated shaft；Pushing part can drive presser foot component elevating movement when moving on the first default face, and the second swing rod and press box module position are constant；Pushing part presser foot component position when moving on the second default face is constant, and push rod pushes the second swing rod to swing around the second articulated shaft, to drive press box component elevating movement.The presser foot lifting device can realize the driving to press box and presser feet by the clutch action of push rod by driving device second swing rod of collocation, simplify assembling and setting process and reduce costs.
Description
Technical field
The present invention relates to clothes manufacturing equipment technical field, in particular to a kind of presser foot lifting device.
Background technique
In existing presser foot lifting device, press box is connected to a driving motor by a sets of transmission mechanism, and presser feet is by another
One sets of transmission mechanism is connected to another driving motor, and press box and presser feet need to carry out drive control respectively, and assembling and setting is cumbersome
And higher cost.
Therefore, how to simplify the assembling and setting process of presser foot lifting device and reduce cost, be that those skilled in the art are current
The technical issues that need to address.
Summary of the invention
In view of this, simplifying assembling and setting process the object of the present invention is to provide a kind of presser foot lifting device and reducing
Cost.
To achieve the above object, the present invention provides the following technical solutions：
A kind of presser foot lifting device, including drive link, driving device, the first swing rod, the second swing rod, presser foot component and press box
Component；
On first swing rod be a little articulated with the first articulated shaft and another point is articulated with the drive link, the pressure
Foot component is equipped with the first default face and the second default face for matching with the pushing part on first swing rod；
Second swing rod is articulated with the second articulated shaft, is fixed in the drive link for pushing second pendulum
The push rod of bar, the press box component are connected to second swing rod；
The driving device is able to drive the drive link and moves back and forth, to drive first swing rod around described first
Articulated shaft is swung；
The pushing part can drive the presser foot component elevating movement when moving on the described first default face, and described
Second swing rod and the press box module position are constant；
Pushing part presser foot component position when moving on the described second default face is constant, and the push rod pushes
Second swing rod is swung around second articulated shaft, to drive the press box component elevating movement.
Preferably, second swing rod is equipped with press box push hole, and the push rod is plugged in the press box push hole；It is described to push away
When moving on the described second default face, the push rod contacts and presses the hole wall of the press box push hole, and then pushes institute in dynamic portion
The second swing rod is stated to swing around second articulated shaft.
Preferably, the press box component includes for connecting the press box lift lever of press box and being articulated with second swing rod
Sliding block, the sliding block are slidably connected in the first straight line slideway on the press box lift lever, and the press box lift lever sliding is set
In the second straight line slideway for carrying out elevating movement for limiting the press box lift lever, the sliding block is able to drive the press box
Lift lever elevating movement in the second straight line slideway, has between the first straight line slideway and the second straight line slideway
Certain angle.
Preferably, second swing rod includes that the first press box promotes connecting rod and the second press box promotion connecting rod, first pressure
Frame promotes connecting rod and second press box promotes the locking hole that one of connecting rod is equipped with bar shaped, is fixed with lock in another one
Tight pin, locked position of the locking pin in the locking hole is adjustable, and the press box push hole is promoted set on second press box
On connecting rod, the sliding block is connected to first press box and promotes connecting rod.
Preferably, the presser foot component includes connecting plate, and the first default face and the second default face are set on the company
Adjacent arcwall face on fishplate bar；The pushing part on the described second default face when moving, the center of circle position in the second default face
At first articulated shaft.
Preferably, the pushing part is idler wheel.
Preferably, the drive link is hinged with cam driving-rod, and the cam driving-rod is articulated with third articulated shaft, institute
The cam for being fixed on the output shaft of driving device and matching with the cam driving-rod is stated, the cam rotation is able to drive
The cam driving-rod is swung around the third articulated shaft, and then drives the drive link movement.
Preferably, the spring for making the cam driving-rod compress the cam is connected in the drive link.
Preferably, the cam driving-rod is equipped with the bearing for matching with the cam.
Preferably, the drive link includes presser feet connecting rod and press box connecting rod, and the push rod is to be fixedly connected with the presser feet
The pin screw of connecting rod and the press box connecting rod, the press box connecting rod connect the cam driving-rod, the presser feet connecting rod connection
First swing rod.
In presser foot lifting device provided by the invention, driving device drives drive link movement, meanwhile, drive link drives the
One swing rod is swung around the first articulated shaft.During the first swing rod is swung, the pushing part of the first swing rod can be preset with first
Moved on face, can also with moved on the second default face, when moving on the first default face, pushing part can drive pressure for pushing part
Foot component, in the process, push rod not will push the second swing rod, and press box component is not driven；When pushing part moves to second in advance
If after on face, the position of presser foot component will not change, and push rod pushes the second swing rod to swing around the second articulated shaft, the second swing rod
Movement can drive press box component.
As it can be seen that the first swing rod can play the role of gap drive, if the movement of pushing part is limited in the first default face
Interior, pushing part drives presser foot component, and push rod will not drive the second swing rod, i.e. the second swing rod will not drive press box component；If will
The movement of pushing part is limited in the second default face, and pushing part will not drive presser foot component, but push rod can drive the second swing rod, into
And the second swing rod can drive press box component.Only a driving device need to be set in the presser foot lifting device, taken by a driving device
The driving to press box and presser feet is realized by the clutch action of push rod with the second swing rod, makes the driving of press box component and presser foot component
Situation is independent of each other, compared with the prior art in two sets of transmission mechanism and two driving devices, driving device can be reduced
Setting, structure is simple, be conducive to save space, simplify assembling and setting process and reduce costs.
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 schematic view of the front view of presser foot lifting device provided by the present invention；
Fig. 2 is the backsight structural representation of presser foot lifting device provided by the present invention；
Fig. 3 is the structural schematic diagram of Slipper in presser foot lifting device provided by the present invention；
Fig. 4 is the structural schematic diagram of the first swing rod part in presser foot lifting device provided by the present invention.
In Fig. 1 to Fig. 4：
1- driving device, 2- cam, 3- bearing, 4- cam driving-rod, 5- third articulated shaft, 6- first segment screw, 7- drive
Dynamic connecting rod, 8- press box lift lever, the first press box of 9- promote connecting rod, the second articulated shaft of 10-, and the second press box of 11- promotes connecting rod, 12-
Locking hole, 13- press box push hole, 14- push rod, 15- presser feet connecting rod, the first articulated shaft of 16-, the first swing rod of 17-, 18- idler wheel, 19-
Connecting plate, 20- interval connecting rod, 21- roller pin, the second swing rod of 22-, 23- press box connecting rod, 24- second segment screw, 25- third section
Screw, 26- sliding block, 27- boundary line, 28- first preset face, and 29- second presets face.
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 invention is to provide a kind of presser foot lifting device, simplifies assembling and setting process and reduces costs.
In a kind of specific embodiment of presser foot lifting device provided by the present invention, including drive link 7, driving device 1, first
Swing rod 17, the second swing rod 22, presser foot component and press box component.
On first swing rod 17 be a little articulated with the first articulated shaft 16 and another point is articulated with drive link 7, drive link 7
Movement the first swing rod 17 can be driven to swing around the first articulated shaft 16.Presser foot component be equipped with for pushing away on the first swing rod 17
The the first default face 28 and the second default face 29 that dynamic portion matches.Wherein, the first articulated shaft 16 is preferably fixed on casing.Its
In, presser foot component specifically can be used for connecting and driving in presser feet.
Second swing rod 22 is articulated with the second articulated shaft 10, is fixed in drive link 7 for pushing the second swing rod 22
Push rod 14.Wherein, the second articulated shaft 10 is preferably fixed on casing.Press box component is connected to the second swing rod 22, to pass through second
Swing rod 22 drives press box component.
Driving device 1 is able to drive the reciprocating motion of drive link 7, to drive the first swing rod 17 to put around the first articulated shaft 16
It is dynamic.During the first swing rod 17 is swung, the pushing part on the first swing rod 17 is also accordingly swung.
Pushing part can drive presser foot component elevating movement when moving on the first default face 28, meanwhile, the second swing rod 22
And the position of press box component is constant.
When moving on the second default face 29, presser foot component position is constant for pushing part, push rod 14 push the second swing rod 22 around
Second articulated shaft 10 is swung, to drive press box component elevating movement.
First swing rod 17 can play the role of gap drive, if the movement of pushing part is limited in the first default face,
Pushing part drives presser foot component, and push rod will not drive the second swing rod 22, i.e. the second swing rod 22 will not drive press box component；If will
The movement of pushing part is limited in the second default face, and pushing part will not drive presser foot component, but push rod can drive the second swing rod 22,
And then the second swing rod 22 can drive press box component.
Only a driving device 1 need to be set in the presser foot lifting device, it is logical by second swing rod 22 of collocation of driving device 1
The clutch action for crossing push rod realizes driving to press box and presser feet, makes the driving situation of press box component and presser foot component mutually not shadow
It rings, the setting of driving device 1 can be reduced, structure is simple, is conducive to save space, simplifies assembling and setting process and reduce
Cost.
On the basis of the above embodiments, referring to FIG. 1, press box push hole 13, push rod 14 can be equipped on the second swing rod 22
It is plugged in press box push hole 13.When moving on the second default face 29, push rod 14 contacts and presses press box push hole 13 for pushing part
Hole wall, and then the second swing rod 22 is pushed to swing around the second articulated shaft 10.For the orientation shown in Fig. 1, when push rod 14 moves downward
To after offseting with the hole wall of press box push hole 13, drive link 7 continues to move downward, and push rod 14 can drive the second swing rod 22 around the
The rotation of two articulated shafts 10.
Wherein, push rod 14 can be move freely in press box push hole 13, and optionally, press box push hole 13 can be set to
Strip-shaped hole.
In the present embodiment, push rod 14 is arranged in press box push hole 13, it can be between push rod 14 and the second swing rod 22
Can relatively movable range constrained, guarantee reliable control of the push rod 14 to the second swing rod 22.
Obviously, the connection relationship between push rod 14 and the second swing rod 22 is also not necessarily limited to as the press box push hole in above-described embodiment
13 realize.For example, push rod 14 also can be set in the outside of the second swing rod 22, the second swing rod 22 is pushed directly on by push rod 14
Periphery wall realize driving to the second swing rod 22.
On the basis of the above embodiments, Fig. 1 and Fig. 3 are please referred to, press box component may include the pressure for connecting press box
Frame lift lever 8 and the sliding block 26 for being articulated with the second swing rod 22.Optionally, sliding block 26 can be put by third section screw 25 and second
Bar 22 is hinged.Sliding block 26 is slidably connected in the first straight line slideway on press box lift lever 8, and the sliding of press box lift lever 8 is set to
In second straight line slideway, which carries out elevating movement, first straight line slideway and for limiting press box lift lever 8
There is certain angle, optionally, which can be right angle, or the other angles greater than 0 between two linear ramps
Value.Sliding block 26 is able to drive the elevating movement in second straight line slideway of press box lift lever 8.
When the rotation of the second swing rod 22, sliding block 26 is rotated with the second swing rod 22 around the second articulated shaft 10, and in first straight line
Hinged under the limit of slideway and second straight line slideway and between sliding block 26 and the second swing rod 22, the movement of sliding block 26 can be by
It is divided into the first componental movement along the extension of first straight line slideway and the second componental movement along the extension of second straight line slideway, that is, sliding block 26
It also will drive press box lift lever 8 while sliding in first straight line slideway and carry out elevating movement along second straight line slideway, thus
Realize the elevating movement of press box.
It, can be by the second pendulum by the setting of first straight line slideway, second straight line slideway and sliding block 26 in the present embodiment
The rotary motion of bar 22 is converted to the elevating movement of press box lift lever 8, so as to reliably guarantee the landing position of press box lift lever 8
It sets, press box is enable accurately to be pressed on preset position, the stability that press box lift lever 8 moves is stronger.
On the basis of the above embodiments, Fig. 1 and Fig. 2 are please referred to, the second swing rod 22 may include that the first press box promotes company
Bar 9 and the second press box promote connecting rod 11.First press box promotes connecting rod 9 and the second press box promotes one of connecting rod 11 and is equipped with item
The locking hole 12 of shape is fixed with locking pin in another one, and optionally, locking hole 12, which can be set, promotes connecting rod in the second press box
On 11, locking pin, which can be set, promotes connecting rod 9 in the first press box.Locked position of the locking pin in locking hole 12 is adjustable.Press box
Push hole 13 is set to the second press box and is promoted on connecting rod 11, and sliding block 26 is connected to the first press box and promotes connecting rod 9.Wherein, locking pin is preferred
It is convenient for disassembly and assembly for screw.
In the present embodiment, locked position of the locking pin in locking hole is adjustable, correspondingly, the first press box promoted connecting rod 9 with
Second press box is promoted can connect at different angles between connecting rod 11, so as to realize the adjusting to press box stroke.
Based on any of the above embodiments, referring to FIG. 4, presser foot component may include connecting plate 19, first is default
Face 28 and the second default face 29 are the adjacent arcwall face on connecting plate 19.Pushing part when being moved on the second default face 29,
The center of circle in the second default face 29 is located at the first articulated shaft 16.
By taking orientation shown in Fig. 4 as an example, when pushing part moves on the first default face 28, the direction of motion of pushing part and
The tangential direction of pushing part and the first default 28 contact point of face has an angle, and pushing part has always upward or lower section drives the
The componental movement in one default face 28, so as to drive connecting plate 19 to carry out elevating movement.And when pushing part is in the second default face 29
When upper movement, since the center of circle in the second default face 29 is located at the first articulated shaft 16, the direction of motion of pushing part and pushing part with
The tangential direction of second default 29 contact point of face is identical, and pushing part cannot drive connecting plate 19 to carry out elevating movement.
Wherein, for connecting plate 19, lifting limit assembly can be set on casing and gone up and down with limiting connecting plate 19
Movement, to guarantee the stability of 19 elevating movement of connecting plate.In addition, connecting plate 19 can be fixedly connected with interval connecting rod 20,
Presser feet is connected by the interval connecting rod 20.
In the present embodiment, the boundary line 27 in the first default face 28 and the second default face 29 has determined a limit position of presser feet
It sets, connecting plate 19 continues when moving on the second default face 29, and the height of presser feet will not change again, avoid presser foot component and pressure
Foot is damaged because of overtravel, and use is safer.
Preferably, the first default face 28 and the second default face 29 are determined for the highest order of presser foot component and presser feet
It sets.
Preferably, referring to FIG. 4, pushing part can be idler wheel 18, to reduce between the first swing rod 17 and presser foot component
Frictionally damage.Wherein, idler wheel 18 can specifically be articulated with the first swing rod 17 by roller pin 21.At this point, pushing part is pre- second
If move on face 29, the second default face 29 is the arc contact surface of the radiuses such as 18 outermost layer track of idler wheel.Certainly, pushing part is also
It can be directly disposed as a free end of the first swing rod 17.
Based on any of the above embodiments, Fig. 1 and Fig. 2 are please referred to, drive link 7 can be hinged with cam driving-rod
4, specifically, cam driving-rod 4 can be articulated with drive link 7 by first segment screw 6.Cam driving-rod 4 is articulated with third
Articulated shaft 5 is fixed with the cam 2 matched with cam driving-rod 4 on the output shaft of driving device 1, and the rotation of cam 2 being capable of band
Moving cam drive rod 4 is swung around third articulated shaft 5, and then drive link 7 is driven to move.Preferably, driving device 1 can be rotation
Rotating motor.Wherein, third articulated shaft 5, which is specifically as follows, is fixed on casing.
It is straight between the position contacted with cam 2 and output shaft on cam driving-rod 4 when cam 2 is rotated with output shaft
Linear distance changes, and cam driving-rod 4 is rotated around third articulated shaft 5, pulling of the drive link 7 in cam driving-rod 4
Under correspondingly move.
In the present embodiment, using the primary transmission mechanism for being directly connected to cam and connecting rod cooperative movement by driving device 1,
While guaranteeing transmission agency, cost of manufacture can reduce.
Further, it can connect the spring for making 4 pressing cam 2 of cam driving-rod in drive link 7, specifically may be used
To attach the spring between drive link 7 and casing, to guarantee that cam driving-rod 4 is contacted with the uninterrupted of cam 2.
Further, referring to FIG. 1, cam driving-rod 4 can be equipped with the bearing 3 for matching with cam 2, be conducive to
Reduce the frictionally damage between cam driving-rod 4 and cam 2.
Further, Fig. 1 and Fig. 2 are please referred to, drive link 7 may include presser feet connecting rod 15 and press box connecting rod 23, push rod
14 be the pin screw for being fixedly connected with presser feet connecting rod 15 Yu press box connecting rod 23, and press box connecting rod 23 connects cam driving-rod 4, and presser feet connects
Bar 15 connects the first swing rod 17.Optionally, presser feet connecting rod 15 can pass through hinged first swing rod 17 of second segment screw 24.It is optional
Ground, presser feet connecting rod 15 can be ball head connecting rod, facilitate adjusting, be not easy stuck and longer life expectancy.In the present embodiment, drive link 7
Using split type setting, convenient for determining the length of 7 each section of drive link according to the spacing between press box and presser feet, meanwhile, it will
Presser feet connecting rod 15, press box connecting rod 23 are connected by push rod 14 simultaneously, easy to process.
Certainly, in other embodiments, cam link matable assembly may be replaced by gear set and is driven.
For presser foot lifting device provided by the present invention sewing one of specifically used process, can be divided into prepare into
Row sewing work or when sewing finishing and when carrying out sewing work is specifically illustrated shown in Fig. 1 for orientation：
(1) when being ready for sewing work or sewing finishing
Driving device 1 equipped with cam 2 rotates clockwise (2 minor radius of cam goes to large radius direction), cam driving-rod 4
It being rotated around third articulated shaft 5, press box connecting rod 23 and presser feet connecting rod 15 are connected by push rod 14, under the effect of cam driving-rod 4, band
Dynamic pressure foot connecting rod 15 and the movement to the left (that is, close to the direction of driving device 1) of press box connecting rod 23, by the biography of the first swing rod 17
Dynamic, connecting plate 19 and interval connecting rod 20 move upwards, and then realize the lifting movement of presser feet, when idler wheel 18 moves to connecting plate 19
On boundary line 27 when (can refer to Fig. 4), presser feet is raised to highest point.Drive link 7 continues to move downward, and connecting plate 19 is no longer
Presser feet lifting is driven, push rod 14 is interspersed in press box push hole 13, and push rod 14 also moves into the left of 13 hole wall of press box push hole at this time
Edge, drive link 7 continue to be moved to the left and the second press box is driven to promote connecting rod 11 to rotate to upper left, and the first press box is promoted
Connecting rod 9 promotes connecting rod 11 with the second press box and is fixedly connected, and then the first press box promotes connecting rod 9 and third section screw 25 is driven to transport upwards
It is dynamic, drive press box lift lever 8 to move upwards under the action of sliding block 26.
(2) when carrying out sewing work：
Driving device 1 rotate counterclockwise (2 large radius of cam to minor radius direction), press box connecting rod 23 and presser feet connecting rod 15 to
Right (that is, direction far from motor) movement, under the action of the spring, press box pressure continues when idler wheel 18 moves to boundary line 27
Movement, presser feet are begun to decline, until dropping to nadir, interval connecting rod 20 is realized when sewing under the cooperation of spindle crank
Intermittent movement.
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.
Presser foot lifting device provided by the present invention is described in detail above.Specific case used herein is to this
The principle and embodiment of invention is expounded, method of the invention that the above embodiments are only used to help understand and
Its core concept.It should be pointed out that for those skilled in the art, in the premise for not departing from the principle of the invention
Under, it can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the protection of the claims in the present invention
In range.
Claims (10)
1. a kind of presser foot lifting device, which is characterized in that including drive link (7), driving device (1), the first swing rod (17), second
Swing rod (22), presser foot component and press box component；
On first swing rod (17) be a little articulated with the first articulated shaft (16) and another point is articulated with the drive link
(7), the presser foot component be equipped with the first default face (28) for being matched with the pushing part on first swing rod (17) and
Second default face (29)；
Second swing rod (22) is articulated with the second articulated shaft (10), is fixed on the drive link (7) for pushing
The push rod (14) of the second swing rod (22) is stated, the press box component is connected to second swing rod (22)；
The driving device (1) is able to drive the drive link (7) reciprocating motion, to drive first swing rod (17) around institute
State the first articulated shaft (16) swing；
The pushing part can drive the presser foot component elevating movement when moving on the described first default face (28), and described
Second swing rod (22) and the press box module position are constant；
Pushing part presser foot component position when moving on the described second default face (29) is constant, and the push rod (14)
Second swing rod (22) is pushed to swing around second articulated shaft (10), to drive the press box component elevating movement.
2. presser foot lifting device according to claim 1, which is characterized in that second swing rod (22) is equipped with press box push hole
(13), the push rod (14) is plugged in the press box push hole (13)；It is transported on the described second default face (29) pushing part
When dynamic, the push rod (14) contacts and presses the hole wall of the press box push hole (13), so push second swing rod (22) around
Second articulated shaft (10) swings.
3. presser foot lifting device according to claim 2, which is characterized in that the press box component includes for connecting press box
Press box lift lever (8) and the sliding block (26) for being articulated with second swing rod (22), the sliding block (26) are slidably connected to the pressure
In first straight line slideway on frame lift lever (8), press box lift lever (8) sliding is set to for limiting the press box lift lever
(8) in the second straight line slideway for carrying out elevating movement, the sliding block (26) is able to drive the press box lift lever (8) described the
Elevating movement in two linear ramps has certain angle between the first straight line slideway and the second straight line slideway.
4. presser foot lifting device according to claim 3, which is characterized in that second swing rod (22) includes that the first press box mentions
It rises connecting rod (9) and the second press box promotes connecting rod (11), first press box promotes connecting rod (9) and second press box promotes connecting rod
One of (11) it is equipped with the locking hole (12) of bar shaped, is fixed with locking pin in another one, the locking pin is in the lock
Locked position in tieholen (12) is adjustable, and the press box push hole (13) is set to second press box and is promoted on connecting rod (11), described
Sliding block (26) is connected to first press box and promotes connecting rod (9).
5. presser foot lifting device according to claim 1, which is characterized in that the presser foot component includes connecting plate (19), institute
It states the first default face (28) and the second default face (29) is the adjacent arcwall face on the connecting plate (19)；The pushing part
When moving on the described second default face (29), the center of circle of the second default face (29) is located at first articulated shaft (16)
Place.
6. presser foot lifting device according to claim 5, which is characterized in that the pushing part is idler wheel (18).
7. according to claim 1 to presser foot lifting device described in 6 any one, which is characterized in that the drive link (7) is hinged
Have cam driving-rod (4), the cam driving-rod (4) is articulated with third articulated shaft (5), the output shaft of the driving device (1)
On be fixed with the cam (2) matched with the cam driving-rod (4), cam (2) rotation is able to drive the cam
Drive rod (4) is swung around the third articulated shaft (5), and then drives drive link (7) movement.
8. presser foot lifting device according to claim 7, which is characterized in that be connected on the drive link (7) for making
The cam driving-rod (4) compresses the spring of the cam (2).
9. presser foot lifting device according to claim 8, which is characterized in that the cam driving-rod (4) be equipped with for institute
State the bearing (3) that cam (2) matches.
10. presser foot lifting device according to claim 7, which is characterized in that the drive link (7) includes presser feet connecting rod
(15) and press box connecting rod (23), the push rod (14) are to be fixedly connected with the presser feet connecting rod (15) and the press box connecting rod (23)
Pin screw, the press box connecting rod (23) connect the cam driving-rod (4), presser feet connecting rod (15) connection first pendulum
Bar (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810777141.2A CN108823827B (en) | 2018-07-16 | 2018-07-16 | Pressure foot lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810777141.2A CN108823827B (en) | 2018-07-16 | 2018-07-16 | Pressure foot lifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108823827A true CN108823827A (en) | 2018-11-16 |
| CN108823827B CN108823827B (en) | 2020-07-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810777141.2A Active CN108823827B (en) | 2018-07-16 | 2018-07-16 | Pressure foot lifting device |
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| Country | Link |
|---|---|
| CN (1) | CN108823827B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202755193U (en) * | 2012-07-11 | 2013-02-27 | 中捷缝纫机股份有限公司 | Presser foot drive mechanism of sewing machine |
| JP5265217B2 (en) * | 2008-02-22 | 2013-08-14 | Ｊｕｋｉ株式会社 | Sewing machine lifting device |
| CN203795113U (en) * | 2014-04-15 | 2014-08-27 | 浙江美机缝纫机有限公司 | Presser foot lifting driving mechanism for sewing machine |
| CN104099726A (en) * | 2014-06-24 | 2014-10-15 | 台州拓卡奔马机电科技有限公司 | Driving mechanism for thread sewing and presser foot lifting thread-scissoring and buttonholing machine |
| CN206858780U (en) * | 2017-06-29 | 2018-01-09 | 拓卡奔马机电科技有限公司 | Sewing machine lifts compression shear line mechanism and sewing machine |
-
2018
- 2018-07-16 CN CN201810777141.2A patent/CN108823827B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5265217B2 (en) * | 2008-02-22 | 2013-08-14 | Ｊｕｋｉ株式会社 | Sewing machine lifting device |
| CN202755193U (en) * | 2012-07-11 | 2013-02-27 | 中捷缝纫机股份有限公司 | Presser foot drive mechanism of sewing machine |
| CN203795113U (en) * | 2014-04-15 | 2014-08-27 | 浙江美机缝纫机有限公司 | Presser foot lifting driving mechanism for sewing machine |
| CN104099726A (en) * | 2014-06-24 | 2014-10-15 | 台州拓卡奔马机电科技有限公司 | Driving mechanism for thread sewing and presser foot lifting thread-scissoring and buttonholing machine |
| CN206858780U (en) * | 2017-06-29 | 2018-01-09 | 拓卡奔马机电科技有限公司 | Sewing machine lifts compression shear line mechanism and sewing machine |
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