CN206486683U - Presser foot device and machine head of embroidery machine - Google Patents
Presser foot device and machine head of embroidery machine Download PDFInfo
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- CN206486683U CN206486683U CN201621437272.9U CN201621437272U CN206486683U CN 206486683 U CN206486683 U CN 206486683U CN 201621437272 U CN201621437272 U CN 201621437272U CN 206486683 U CN206486683 U CN 206486683U
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- presser
- connecting rod
- cam
- presser feet
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Abstract
The utility model is related to embroidery machine technical field, specifically discloses a kind of presser foot device and the machine head of embroidery machine comprising the presser foot device.Wherein presser foot device can drive the height of presser feet to change by adjusting the position of connecting rod, but the change in location of the regulation connecting rod can't cause the change in location of cam link, cam link, which remains unchanged, is converted to the rotary motion of cam by actuated by cams and through connecting rod mechanism the elevating movement of presser feet.Therefore; the presser foot device of the structure; realize the height that presser feet is adjusted under non-stop-machine state; meaning is that embroidery processing can be carried out to fabric in uneven thickness; when the thickness of fabric changes in process; directly by adjusting the working depth of lever regulated presser feet under non-stop-machine state, to adapt to the fabric of respective thickness, greatly improve the efficiency of regulation presser feet working depth and expand the scope of existing embroidery machine embroidery cloth.
Description
Technical field
The utility model is related to embroidery machine technical field, and in particular to a kind of presser foot device on machine head of embroidery machine,
Especially a kind of independent presser foot device, and a kind of machine head of embroidery machine for including the presser foot device.
Background technology
Presser foot device used on the head of existing embroidery machine, generally has two types, a type is each pin
Equipped with one group of presser foot device on bar, another type is that all shanks share one group of independence presser foot device.With regard to current technology
For, the presser foot device of above two type has same technological deficiency, i.e.,：（1）In the machine head of embroidery machine course of work, pressure
The path increment of pin is larger, generally in more than 20mm, and it is larger that such big path increment inevitably results in wear extent so that presser foot device
Service life it is limited, meanwhile, so big path increment is larger to the buckles of embroidered cloth, and then produces larger noise；（2）
In the embroidery machine course of work, the working depth of presser feet is constant, and the work of presser feet can not be adjusted under non-stop-machine state
Highly, therefore, such embroidery machine can only process cloth in uniform thickness, it is impossible to process cloth in uneven thickness, if desired
The different cloth of thickness is processed, then needs to adjust the working depth of presser feet under stopped status；（3）Due to the working depth of presser feet
It is constant, and existing presser feet does not have damping, if the thickness of cloth is thickened suddenly or working position is fairly fallen in
Foreign matter, during presser feet pushes cloth, due to that can not press to the minimum point of stroke, then can cause presser feet to be damaged.
The content of the invention
The technical problems to be solved in the utility model is to provide a kind of presser foot device of structure-improved, to solve existing skill
The path increment of presser feet in art is larger, working depth can not be adjusted and the technology without damping under not stopped status
Defect.
In order to solve the above-mentioned technical problem, the technical scheme that the utility model is provided is as follows：A kind of presser foot device, including pressure
Pin cam, presser bar, the presser feet located at presser bar lower end and the linkage for connecting presser feet cam and presser bar, it is described
Linkage at least includes：Cam link, the cam link provided with fixed hinge position, one with presser feet cam engagement
Cam hinge position and a free hinge position；Connecting rod is adjusted, the regulation connecting rod is provided with a regulation hinge position and two freedom
Connected between free hinge position on hinge position, one of free hinge position and cam link by connecting rod one；Presser feet connecting rod,
At least provided with fixed a hinge position and two free hinge positions on the presser feet connecting rod, one of free hinge position passes through connecting rod
Two are connected with the free hinge position away from cam link side on regulation connecting rod, and another free hinge position on presser feet connecting rod leads to
Connecting rod three is crossed to be connected with presser bar.
Compared with prior art, topmost improvement is there is regulation connecting rod to the presser foot device of said structure, and the tune
Connecting rod one is connected between section connecting rod and cam link, the beneficial effect that the structure is different from prior art is：
（1）In the embroidery machine course of work, adjusting the position of the regulation hinge position of connecting rod can be adjusted, in regulation hinge position
Position change after, regulation connecting rod and the position of connecting rod one are changed, and the height of presser feet can be driven by presser feet connecting rod
Degree changes, but the change in location of the regulation hinge position can't cause the change in location of cam link, and cam link remains unchanged
The rotary motion of cam is converted to the elevating movement of presser feet by actuated by cams and through connecting rod mechanism.Therefore, the presser feet of the structure
Mechanism, realizes the height that presser feet is adjusted under non-stop-machine state, and meaning is that fabric in uneven thickness can be carried out
It is directly lever regulated by adjusting under non-stop-machine state when the thickness of fabric changes in embroidery processing, process
The working depth of presser feet, to adapt to the fabric of respective thickness, greatly improves efficiency and the expansion of regulation presser feet working depth
Existing embroidery machine is embroidered the scope of cloth.
（2）Included connecting rod quantity is more compared with prior art in linkage, and the connecting rod being had more compared with prior art must
The displacement that cam rotation is produced is consumed, linkage of the displacement through more connecting rod quantities produced by cam rotation is converted to presser feet
Elevating movement during, can effectively reduce presser feet lifting stroke, in the present embodiment, the stroke of presser feet can be reduced to
Below 2mm, compared with prior art, stroke slippage are larger.The effect that the reduction of presser feet stroke is produced is to reduce presser feet
The abrasion of bar so that the life-span upgrading of presser foot device；Meanwhile, impact of the presser feet to embroidered cloth is reduced, and then improve noise ring
Border.
A kind of preferred embodiment, the surface of the presser feet cam side is provided with cam locus groove, the cam link
Cam hinge position is provided with the tourelle being adapted with the cam locus groove, in cam rotary course, tourelle with
The trail change and then drive cam link of cam locus groove are to fix hinge position as shaft swing.
Preferably, the tourelle is bearing or roller.
A kind of preferred embodiment, the presser bar is crossed wedge with connecting rod threeway and is connected, and the wedge includes side stand, institute
The side for stating side stand is provided with the connection end for being used for being hinged with connecting rod three, and the upper and lower ends of the side stand are respectively equipped with upper bracket
And lower carriage, it is equipped with for accommodating the axis hole that presser bar is passed through on the upper bracket and lower carriage.Wedge is used for and connecting rod machine
The motion that structure is directly connected to and produced by linkage drives presser bar to lift.
Further, coordinate between the axis hole and presser bar for gap, the presser bar between upper bracket and lower carriage
Fastener is provided with, elastic component is provided between the fastener and upper bracket.
In the structure shown here, fastener is fixed on presser bar, during presser bar is descending, under linkage driving wedge
OK, upper bracket and then the descending trend of wedge is transferred to by fastener by elastic component, certain stroke is compressed in elastic component
It is descending and push down embroidered cloth by fastener strip dynamic pressure foot lever afterwards；During presser bar is up, linkage driving wedge is up, under
Support is directly acted on fastener, and then up by fastener strip dynamic pressure foot lever.
Said structure is particular in that, during presser feet is descending, if immediately below presser feet fall to have foreign matter or
The thickness of person's embroidered cloth is thickening and in the case that the working depth of presser feet is not adjusted, and presser feet is descending and not up to the down stroke limit is just
Stopped by foreign matter or the embroidered cloth of thickening, now, although presser feet does not continue to descending, but wedge also may proceed to descending, simply elasticity
The decrement of part becomes much larger, so as to reduce the impact suffered by presser feet, prevents presser feet to be damaged.
On a kind of machine head of embroidery machine, main shaft and needle bar frame at least including casing, in casing, the needle bar frame simultaneously
Row is provided with some shanks, it is characterised in that also including the independent presser foot device matched with shank, and the independent presser foot device is such as
Preceding described presser foot device, the presser feet cam is fixedly connected on main shaft, and cam link and the presser feet connecting rod passes through respective
Fixation hinge position be hinged with casing, the side wall of the casing side is provided with track groove, in addition to for driving regulation connecting rod
Regulation hinge position it is mobile in track groove and regulation hinge position can be fixed on to the drive device of optional position in track groove.
The machine head of embroidery machine includes the regulation hinge of foregoing presser foot device, wherein drive device driving regulation connecting rod
Connect position to move in track groove, so as to adjust the working depth of presser feet, after the completion of regulation, regulation hinge position is fixed in track groove
Relevant position, embroidery machine normal work.
Further, the drive device includes the motor and drive rod being fixed on casing, one end of the drive rod
It is hinged with the regulation hinge position of regulation connecting rod, the other end is fixedly connected with the output end of motor.
Brief description of the drawings
Fig. 1 is a kind of structural representation of machine head of embroidery machine of the present embodiment；
Fig. 2 is the structural representation at one of visual angle of the present embodiment presser foot device；
Fig. 3 is the structural representation at another visual angle of the present embodiment presser foot device；
Fig. 4 is the structural representation of the present embodiment cam link；
Fig. 5 is the structural representation that the present embodiment adjusts connecting rod；
Fig. 6 is the structural representation of the present embodiment presser feet connecting rod；
Fig. 7 is the structural representation of the present embodiment wedge；
Fig. 8 is the structural representation of the present embodiment drive rod；
Fig. 9 is the structural representation of the side side wall of casing in the present embodiment machine head of embroidery machine.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
As shown in figure 1, a kind of machine head of embroidery machine of the present embodiment, at least main shaft 54 including casing 50, in casing 50
And needle bar frame 55, some shanks 56 are provided with the needle bar frame 55 side by side, the machine head of embroidery machine, which has to match with shank 56, to be made
Independent presser foot device.
As the improvement that the present embodiment is maximum, wherein presser foot device as shown in Figure 2 and Figure 3, including presser feet cam 10, presser feet
Bar 20, the presser feet 30 located at presser bar lower end and the linkage 40 for connecting presser feet cam 10 and presser bar 20.
The linkage 40 of the present embodiment at least includes cam link 41, regulation connecting rod 42 and presser feet connecting rod 43.Wherein
Cam link 41 is as shown in figure 4, the cam hinge position 412 coordinated with a fixed hinge position 411, one with presser feet cam 10
With a free hinge position 413.Wherein fix hinge position 411 to be hinged by jointed shaft 414 and casing, at cam hinge position 412
Provided with the tourelle 12 matched with cam locus groove 11, preferably, tourelle 12 is bearing or roller.
The regulation connecting rod of the present embodiment as shown in figure 5, which is provided with a regulation hinge position 421, free hinge position 422 with
And free hinge position 423.Wherein provided with regulation jointed shaft 424 at regulation hinge position 421, as shown in Fig. 1, Fig. 9, casing 50 is corresponding
Side wall be provided with track groove 51, regulation jointed shaft 424 stretches out casing 50 in track groove 51, and is connected with drive device.One
Preferred real-time mode is planted, above-mentioned drive device includes the motor 52 and drive rod 53 being fixed on casing 50, as shown in figure 8,
The output end 531 of the drive rod 53 is hinged with regulation jointed shaft 424, and input 532 is fixedly connected with the output end of motor 52, by
Motor driving drive rod is swung, and then drives regulation jointed shaft 424 to be moved in track groove 51, and then it is high to adjust the work of presser feet
Degree.
The presser feet connecting rod 43 of the present embodiment is as shown in fig. 6, including a fixed hinge position 431, a free hinge position 432
And a free hinge position 433, wherein fixed hinge position 431 is hinged by jointed shaft with casing.
In the present embodiment, on cam link connect between free hinge position 413 and the free hinge position 422 of regulation connecting rod
Connecting rod 1 is connected to, adjusts and is connected with connecting rod two between the free hinge position 423 of connecting rod and the free hinge position 432 of presser feet connecting rod
45, it is connected with connecting rod 3 46 between the free hinge position 433 of presser feet connecting rod and wedge 21.Wherein connecting rod 1, the and of connecting rod 2 45
The two ends of connecting rod 3 46 are the connected mode being hinged.It should be noted that connecting rod 1, the and of connecting rod 2 45 in the present embodiment
Connecting rod 3 46 can be the bar linkage structure of integral type, or the link assembly being made up of multiple connecting rods.
As shown in fig. 7, the present embodiment wedge 21 includes side stand 211, the side of the side stand 211, which is provided with, to be used for connecting
The connection end 215 that bar 3 46 is hinged, the upper and lower ends of the side stand are respectively equipped with upper bracket 212 and lower carriage 213, it is described on
It is equipped with support and lower carriage for accommodating the axis hole 214 that presser bar 20 is passed through.It should be noted that the axis hole 214 with
Coordinate between presser bar 20 for gap, fastener 22 is provided with the presser bar between upper bracket 212 and lower carriage 213, this is tight
Firmware 22 is fixedly connected on presser bar 20, and elastic component 23 is provided between fastener 22 and upper bracket 212, and the elastic component 23 is excellent
Elect the spring being sheathed on presser bar as.
The presser feet damping of above-mentioned wedge 21 and the formation the present embodiment of elastic component 23, during presser feet is descending, such as
Fall to have immediately below fruit presser feet foreign matter or the thickness of embroidered cloth it is thickening and in the case that the working depth of presser feet is not adjusted, presser feet
The descending and not up to down stroke limit just stops by foreign matter or the embroidered cloth of thickening, now, although presser feet does not continue to descending, but pressure
Seat also may proceed to descending, and simply the decrement of elastic component becomes much larger, so as to reduce the impact suffered by presser feet, prevent presser feet by
Damage.
In a word, preferred embodiment of the present utility model is the foregoing is only, it is all not to limit the utility model
Any modifications, equivalent substitutions and improvements made within spirit of the present utility model and principle etc., should be included in this practicality
Within new protection domain.
Claims (7)
1. a kind of presser foot device, including presser feet cam, presser bar, the presser feet located at presser bar lower end and convex for connecting presser feet
The linkage of wheel and presser bar, it is characterised in that the linkage at least includes：
Cam link, the cam link provided with fixed hinge position, one with the cam hinge position of presser feet cam engagement and
One free hinge position；
Connecting rod is adjusted, the regulation connecting rod is one of to be freely hinged provided with a regulation hinge position and two free hinge positions
Connected between free hinge position on position and cam link by connecting rod one；
It is one of free at least provided with fixed a hinge position and two free hinge positions on presser feet connecting rod, the presser feet connecting rod
Hinge position is connected by connecting rod two with the free hinge position away from cam link side on regulation connecting rod, another on presser feet connecting rod
Individual free hinge position is connected by connecting rod three with presser bar.
2. according to the presser foot device described in claim 1, it is characterised in that the surface of the presser feet cam side is provided with cam
Track groove, the cam hinge position of the cam link is provided with the tourelle being adapted with the cam locus groove.
3. according to the presser foot device described in claim 2, it is characterised in that the tourelle is bearing or roller.
4. according to the presser foot device described in claim any one of 1-3, it is characterised in that the presser bar and connecting rod threeway overvoltage
Seat connection, the wedge includes side stand, and the side of the side stand is provided with the connection end for being used for being hinged with connecting rod three, the side
The upper and lower ends of support, which are respectively equipped with upper bracket and lower carriage, the upper bracket and lower carriage, to be equipped with for accommodating presser bar
The axis hole passed through.
5. according to the presser foot device described in claim 4, it is characterised in that coordinate between the axis hole and presser bar for gap,
Fastener is provided with presser bar between upper bracket and lower carriage, elastic component is provided between the fastener and upper bracket.
6. on a kind of machine head of embroidery machine, main shaft and needle bar frame at least including casing, in casing, the needle bar frame side by side
Provided with some shanks, it is characterised in that also including the independent presser foot device matched with shank, the independent presser foot device is right
It is required that the presser foot device described in any one of 1-5, the presser feet cam is fixedly connected on main shaft, the cam link and presser feet connect
Bar is hinged by respective fixed hinge position with casing, and the side wall of the casing side is provided with track groove, in addition to for driving
The regulation hinge position of dynamic regulation connecting rod is mobile in track groove and regulation hinge position can be fixed on into optional position in track groove
Drive device.
7. according to the machine head of embroidery machine described in claim 6, it is characterised in that the drive device includes being fixed on casing
Motor and drive rod, one end of the drive rod are hinged with adjusting the regulation hinge position of connecting rod, the output end of the other end and motor
It is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621437272.9U CN206486683U (en) | 2016-12-26 | 2016-12-26 | Presser foot device and machine head of embroidery machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621437272.9U CN206486683U (en) | 2016-12-26 | 2016-12-26 | Presser foot device and machine head of embroidery machine |
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| Publication Number | Publication Date |
|---|---|
| CN206486683U true CN206486683U (en) | 2017-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621437272.9U Active CN206486683U (en) | 2016-12-26 | 2016-12-26 | Presser foot device and machine head of embroidery machine |
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| CN (1) | CN206486683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106811878A (en) * | 2016-12-26 | 2017-06-09 | 义乌市特轩贸易有限公司 | A kind of presser foot device and machine head of embroidery machine |
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2016
- 2016-12-26 CN CN201621437272.9U patent/CN206486683U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106811878A (en) * | 2016-12-26 | 2017-06-09 | 义乌市特轩贸易有限公司 | A kind of presser foot device and machine head of embroidery machine |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20190416 Address after: 311832 No. 495 Li Yi, No. 2 Village, Li Village, Huandong Street, Zhuji City, Shaoxing City, Zhejiang Province Patentee after: Zhuji Chilong Machinery Technology Co., Ltd. Address before: 322000 No. 521 Jiangdong Middle Road, Jiangdong Street, Yiwu City, Jinhua City, Zhejiang Province Patentee before: Yiwu best Trading Co., Ltd. |