CN206438271U - Handpiece structure and knitting machine - Google Patents
Handpiece structure and knitting machine Download PDFInfo
- Publication number
- CN206438271U CN206438271U CN201621458897.3U CN201621458897U CN206438271U CN 206438271 U CN206438271 U CN 206438271U CN 201621458897 U CN201621458897 U CN 201621458897U CN 206438271 U CN206438271 U CN 206438271U
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- drive
- transmission device
- presser feet
- connecting rod
- crank
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Abstract
The utility model discloses a kind of handpiece structure and knitting machine, including:Drive mechanism, including first driving means, transmission device and the second drive device；Described first driving means connection transmission device one end, the first driving means move up and down for driving transmission device；Second drive device connects transmission device；Second drive device is used for the starting altitude of regulate transmission device；Presser foot driving device, connects the transmission device other end；The transmission device is used to drive presser foot driving device to move up and down.The utility model sets the second drive device to be easy to the starting altitude of regulate transmission device, and then adjusts the starting altitude of presser feet.The utility model individually takes presser feet the structure so that the diminution that influences each other of presser feet and shank, reduces the vibration influence to shank.
Description
Technical field
The utility model is related to high-speed knitting machine manufacture field, more particularly to handpiece structure and knitting machine.
Background technology
Existing knitting machine is standing cloth pressing foot effect：1) when before eedle insertion cloth, cloth pressing foot is first by the stable cloth of cloth
Material, enables eedle to be more accurately pierced into cloth and is sewed.2) when eedle and rotary shuttle mechanism knot bottom surface line, cloth pressing foot
It is that bottom surface line is more stablized to push down cloth so that bottom surface line preferably knots, the appearance for the problem of preventing knitting wool broken string dropped stitch.3)
When eedle is extracted from cloth, presser feet pushes down cloth, prevents the friction of eedle and cloth by cloth with the rising of eedle
Twitch.The problems such as quality of cloth pressing foot can directly influence broken string and the precision of embroidery machine in embroidery midway.
Existing current handpiece structure, transmission device is fixedly connected with presser feet, because transmission device can not be adjusted so that pressure
Pin starting height has been fixed, it is impossible to be adjusted to adapt to different embroidery materials.
Utility model content
The problem of the utility model is solved is to provide a kind of handpiece structure so that the presser feet starting of existing handpiece structure is high
The defect that spending to adjust is addressed.
To solve the above problems, the utility model discloses a kind of handpiece structure, including:Drive mechanism, including the first driving
Device, transmission device and the second drive device；Described first driving means connection transmission device one end, the first driving means
Moved up and down for driving transmission device；Second drive device connects transmission device；Second drive device is used to adjust
Save the starting altitude of transmission device；Presser foot driving device, connects the transmission device other end；The transmission device is used to drive presser feet
Transmission device moves up and down.The utility model sets the second drive device to be easy to the starting altitude of regulate transmission device, and then adjusts
Save the starting altitude of presser feet.
And current presser foot needs to be formed by the compression of spring and release by shank in lifting and moved up and down,
Feet motion stroke is larger, larger to the impact endurance test shock of head, while presser feet influences each other with shank, the vibrations of presser feet are to shank
It is related implement work and produce influence, such as cause shank vibrations to cause destabilizing factor during the compression release of spring, cause to break
The serious consequences such as line.The utility model can adjust the rotation process of the second drive device so that the stroke of first driving means
Peak correspondence the second drive device minimum point, effectively reduce the stroke of presser feet, reduce presser feet vibrations influence.Together
When individually take presser feet the structure so that the diminution that influences each other of presser feet and shank, reduce the vibration influence to shank.
Optionally, the first driving means include cam, power transmission shaft and slide bar；The power transmission shaft through cam and with it is convex
Wheel is rotatably assorted, and the power transmission shaft is used to drive cam rotation and then drives slide bar to move up and down；The slide bar connection transmission dress
Put side；The slide bar is used to drive transmission device to move up and down.
Optionally, second drive device includes stepper motor, the first crank, the second crank and drive disk assembly；It is described
First crank gearing connects stepper motor and being rotated by stepper motor；Described drive apparatus one end connects the first crank
, the other end connects the second crank；First crank is used to drive the second crank to rotate by drive disk assembly.The knot is set
Structure, its is simple in construction, and stepper motor is easy to be connected with control unit, realizes Automated condtrol.
Optionally, the drive disk assembly is first connecting rod or driving belt.
Optionally, the transmission device includes second connecting rod and third connecting rod；Described second connecting rod one end connects slide bar, separately
One end connects third connecting rod；One end connection operating mechanism of the third connecting rod away from second connecting rod；Set on second crank
There is cam pin, the cam pin is also fixedly connected in the middle part of second connecting rod and the fulcrum as second connecting rod, and the cam pin is used for
Change the fulcrum of second connecting rod with the rotation of the second crank and then drive second connecting rod to move up and down just.The jail simple in construction
Gu.
Optionally, the handpiece structure also includes control unit, and described control unit is electrically connected with stepper motor, the control
Unit processed is used for the rotational angle for controlling stepper motor, the starting altitude for controlling transmission device.Control unit is set, is easy to
Automatically adjust the rotation of stepper motor.
Optionally, the presser foot driving device includes presser foot driver, presser feet drive block, presser feet axle and presser feet；The pressure
Pin driver is provided with presser feet neck；The presser feet drive block is clasped with presser feet neck；The presser feet axle it is vertically-mounted
On presser feet drive block, the presser feet is fixed on presser feet axle bottom.
The invention also discloses a kind of knitting machine, above-mentioned handpiece structure is used.
Compared with prior art, the technical program has advantages below：
The utility model sets the second drive device to be easy to the starting altitude of regulate transmission device, and then adjusts rising for presser feet
Begin height.The utility model can adjust the rotation process of the second drive device so that the highest of the stroke of first driving means
The minimum point of point the second drive device of correspondence, effectively reduces the stroke of presser feet, reduces the influence of presser feet vibrations.Simultaneously to pressure
Pin individually takes the structure so that the diminution that influences each other of presser feet and shank, reduces the vibration influence to shank.
In addition, setting the structure, its is simple in construction, and stepper motor is easy to be connected with control unit, realizes Automated condtrol.
This is simple in construction firmly.Control unit is set, is easy to automatically adjust the rotation of stepper motor.
Brief description of the drawings
Fig. 1 is the structural representation of the handpiece structure of the utility model embodiment.
1st, first driving means；2nd, transmission device；3rd, the second drive device；4th, presser foot driving device；5th, cam；6th, it is driven
Axle；7th, slide bar；8th, stepper motor；9th, the first crank；10th, the second crank；11st, drive disk assembly；12nd, second connecting rod；13rd, the 3rd connects
Bar；14th, cam pin；20th, presser foot driver；21st, presser feet drive block；22nd, presser feet axle；23rd, presser feet；33rd, control unit；34th, press
Pin neck.
Embodiment
Below in conjunction with the accompanying drawings, by specific embodiment, clear, complete retouch is carried out to the technical solution of the utility model
State.
Presser feet starting altitude of the present utility model, the slide bar of first driving means is in the height of extreme higher position during to shut down
Degree.
The utility model discloses a kind of knitting machine, following handpiece structure is used.
Embodiment：The invention also discloses a kind of handpiece structure (see accompanying drawing 1), including:Drive mechanism, including first
Drive device 1, the drive device 3 of transmission device 2 and second；The first driving means 1 connection transmission device 2 one end, described the
One drive device 1 moves up and down for driving transmission device 2；Second drive device 3 connects transmission device 2；Described second
Drive device 3 is used for the starting altitude of regulate transmission device 2；The transmission device 42 of presser feet 23, connects the other end of transmission device 2；Institute
Stating transmission device 2 is used to drive the transmission device 42 of presser feet 23 to move up and down.The utility model sets the second drive device 3 to be easy to adjust
The starting altitude of transmission device 2 is saved, and then adjusts the starting altitude of presser feet 23.
And the current structure of presser feet 23 is needed by shank in lifting by being transported above and below the compression of spring and release formation
Dynamic, the movement travel of presser feet 23 is larger, larger to the impact endurance test shock of head, while presser feet 23 influences each other with shank, presser feet 23
Shake and the related of shank is implemented by work produce influence, such as caused during the compression release of spring shank vibrations cause it is unstable because
Element, causes the serious consequences such as broken string.The utility model can adjust the rotation process of the second drive device 3 so that the first driving
The minimum point of peak the second drive device 3 of correspondence of the stroke of device 1, effectively reduces the stroke of presser feet 23, reduces pressure
The influence that pin 23 shakes.The structure is individually taken to presser feet 23 simultaneously so that the diminution that influences each other of presser feet 23 and shank, reduced
To the vibration influence of shank.
The first driving means 1 include cam 5, power transmission shaft 6 and slide bar 7；The power transmission shaft 6 through cam 5 and with it is convex
Wheel 5 is rotatably assorted, and the power transmission shaft 6 is used for band moving cam 5 and rotates and then drive slide bar 7 to move up and down；The connection of slide bar 7 is passed
The dynamic side of device 2；The slide bar 7 is used to drive transmission device 2 to move up and down.
Second drive device 3 includes stepper motor 8, the first crank 9, the second crank 10 and drive disk assembly 11；It is described
First crank 9 drive connection stepper motor 8 and being rotated by stepper motor 8；Drive apparatus one end connection first
Crank 9, the other end connects the second crank 10；First crank 9 is used to drive 10 turns of the second crank by drive disk assembly 11
It is dynamic.The structure is set, and its is simple in construction, stepper motor 8 is easy to be connected with control unit 33, realizes Automated condtrol.It is described to pass
Dynamic component 11 is first connecting rod.
The transmission device 2 includes second connecting rod 12 and third connecting rod 13；Described one end of second connecting rod 12 connects slide bar 7,
The other end connects third connecting rod 13；One end connection operating mechanism of the third connecting rod 13 away from second connecting rod 12；Described second
Crank 10 is provided with cam pin 14, and the cam pin 14 is also fixedly connected with the middle part of second connecting rod 12 and the branch as second connecting rod 12
Point, the cam pin 14 is used to change the fulcrum of second connecting rod 12 with the rotation of the second crank 10 and then drives second connecting rod 12
Lower motion height.This is simple in construction firmly.
The handpiece structure also includes control unit 33, and described control unit 33 is electrically connected with stepper motor 8, the control
Unit 33 is used for the rotational angle for controlling stepper motor 8, the starting altitude for controlling transmission device 2.Control unit 33 is set,
It is easy to automatically adjust the rotation of stepper motor 8.Control unit 33 is computer in the utility model.
The transmission device 42 of presser feet 23 includes the driver 20 of presser feet 23, the drive block 21 of presser feet 23, presser feet axle 22 and presser feet
23；The driver 20 of presser feet 23 is provided with the neck of presser feet 23；The drive block 21 of presser feet 23 is clasped with the neck of presser feet 23；
The presser feet axle 22 is vertically-mounted on the drive block 21 of presser feet 23, and the presser feet 23 is fixed on the bottom of presser feet axle 22.
When the utility model embodiment is implemented, the power transmission shaft band moving cam and slide bar of first driving means move up and down,
And driving presser foot driving device is driven by second connecting rod and third connecting rod, and presser feet drive block then buckles into the card of presser foot driver
In groove, presser feet is driven to move up and down by presser feet axle.The fulcrum that the cam pin of second drive device then moves for second connecting rod,
Therefore the fulcrum change of cam pin can then change the highest and minimum point when presser feet drive block is moved, and may finally play adjustment
The effect of presser feet height, realizes the height that cloth pressing foot is accordingly adjusted for different embroidery materials.Stepper motor passes through computer
The anglec of rotation is adjusted, by the first crank of the second drive device, the of the second crank and the first crank of connection and the second crank
One connecting rod is driven, and can be modified the position of cam pin, and being finally reached the parameter set by computer can change
The height of cloth pressing foot.
Although the utility model is disclosed as above with preferred embodiment, it is not for limiting the utility model, appointing
What those skilled in the art is not being departed from spirit and scope of the present utility model, may be by the method and skill of the disclosure above
Art content makes possible variation and modification to technical solutions of the utility model, therefore, every without departing from the utility model technology
The content of scheme, according to technical spirit of the present utility model above example is made it is any it is simple modification, equivalent variations and
Modification, belongs to the protection domain of technical solutions of the utility model.
Claims (8)
1. a kind of handpiece structure, it is characterised in that including:
Drive mechanism, including first driving means, transmission device and the second drive device；The first driving means connection transmission
Device one end, the first driving means move up and down for driving transmission device；The second drive device connection transmission dress
Put；Second drive device is used for the starting altitude of regulate transmission device；
Presser foot driving device, connects the transmission device other end；The transmission device is used to drive presser foot driving device to move up and down.
2. handpiece structure as claimed in claim 1, it is characterised in that the first driving means include cam, power transmission shaft and
Slide bar；The power transmission shaft coordinates through cam and with cam rotation, and the power transmission shaft is used to drive cam rotation and then drive to slide
Bar moves up and down；The slide bar connection transmission device side；The slide bar is used to drive transmission device to move up and down.
3. handpiece structure as claimed in claim 2, it is characterised in that second drive device includes stepper motor, first
Crank, the second crank and drive disk assembly；The first crank gearing connection stepper motor and being rotated by stepper motor；
Described drive apparatus one end connects the first crank, and the other end connects the second crank；First crank is used to pass through driving section
Part drives the second crank to rotate.
4. handpiece structure as claimed in claim 3, it is characterised in that the drive disk assembly is first connecting rod or driving belt.
5. handpiece structure as claimed in claim 3, it is characterised in that the transmission device includes second connecting rod and the 3rd and connected
Bar；Described second connecting rod one end connects slide bar, other end connection third connecting rod；The one end of the third connecting rod away from second connecting rod
Connect operating mechanism；Second crank is provided with cam pin, and the cam pin is also fixedly connected in the middle part of second connecting rod and is used as
The fulcrum of second connecting rod, the cam pin is used to change the fulcrum of second connecting rod with the rotation of the second crank and then drives second to connect
Bar moves up and down just.
6. the handpiece structure as described in claim 3 or 4 or 5, it is characterised in that also including control unit, described control unit
Stepper motor is electrically connected with, described control unit is used for the rotational angle for controlling stepper motor, for controlling rising for transmission device
Begin height.
7. handpiece structure as claimed in claim 1, it is characterised in that the presser foot driving device includes presser foot driver, pressure
Pin drive block, presser feet axle and presser feet；The presser foot driver is provided with presser feet neck；The presser feet drive block and presser feet neck card
Snap fit is closed；The presser feet axle is vertically-mounted on presser feet drive block, and the presser feet is fixed on presser feet axle bottom.
8. a kind of knitting machine, it is characterised in that including the handpiece structure described in claim 1 to 7 any one claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621458897.3U CN206438271U (en) | 2016-12-28 | 2016-12-28 | Handpiece structure and knitting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621458897.3U CN206438271U (en) | 2016-12-28 | 2016-12-28 | Handpiece structure and knitting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206438271U true CN206438271U (en) | 2017-08-25 |
Family
ID=59643066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621458897.3U Active CN206438271U (en) | 2016-12-28 | 2016-12-28 | Handpiece structure and knitting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206438271U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106521819A (en) * | 2016-12-28 | 2017-03-22 | 浙江绅仕镭集团有限公司 | Head structure and knitting machine |
| CN108547066A (en) * | 2018-06-25 | 2018-09-18 | 大连思美娅服饰有限公司 | Sewing-machine foot with detachable wire cutter |
-
2016
- 2016-12-28 CN CN201621458897.3U patent/CN206438271U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106521819A (en) * | 2016-12-28 | 2017-03-22 | 浙江绅仕镭集团有限公司 | Head structure and knitting machine |
| CN108547066A (en) * | 2018-06-25 | 2018-09-18 | 大连思美娅服饰有限公司 | Sewing-machine foot with detachable wire cutter |
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