CN205557009U - Domestic sewing machine's seam needle swing mechanism - Google Patents
Domestic sewing machine's seam needle swing mechanism Download PDFInfo
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- CN205557009U CN205557009U CN201620381180.7U CN201620381180U CN205557009U CN 205557009 U CN205557009 U CN 205557009U CN 201620381180 U CN201620381180 U CN 201620381180U CN 205557009 U CN205557009 U CN 205557009U
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- needle bar
- swing arm
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Abstract
The utility model provides a domestic sewing machine's seam needle swing mechanism belongs to sewing machine device technical field. It has solved current sewing machine's seam needle can not make up technical problem such as style by the horizontal hunting. This sewing machine includes the frame, sets up the needle bar that can reciprocate and links firmly the seam needle at the needle bar lower extreme in the frame, the seam needle swing mechanism include the swing arm and set up the motor in the frame, and the middle part that the swing arm is rectangular form and swing arm articulates in the frame, and the one end of swing arm is connected with the motor and the motor can drive the swing arm and swings around the pin joint, it has the needle bar frame to articulate in the frame, and needle bar sliding connection is on the needle bar frame, and the other end of swing arm links to each other with the tip of needle bar frame and can drive the needle bar frame swing. The utility model discloses in through making seam needle horizontal hunting tailor go out tortuous needle tracking to tailor's needle tracking style of form decorating type has satisfied various types of tailor's needle tracking style requirement in the life, embodies domestic sewing machine's multifunctionality.
Description
Technical field
This utility model belongs to sewing-machine equipment technical field, relates to a kind of domestic sewing machine
Suture needle swing mechanism.
Background technology
Sewing machine is to use one or more sewing thread, forms one or more lines on sewing
Mark, makes the machinery equipment that one or more layers sewing interweaves or unites by a seam, and it can sew
The goods such as fabric and leather, plastics, paper such as cotton, fiber crops, silk, hair, staple fibre,
The stitching neat appearance stitched out, smooth firmly, sewing velocity is fast, easy to use.Along with
People's requirements at the higher level to clothing aesthetic property, people are to the stitching of dress ornament, aesthetics, flat
Whole degree, firmness, decoration performance are proposed more requirement.
China's patent (notification number: CN204097694U；The day for announcing: 2015-01-14)
Disclose a kind of electronic pattern sewing machine, including sewing machine head, support, Y-axis guide rail, Y
Spindle guide seat, Y-axis driving means, X-axis guide rail, X-axis guide bracket, X-axis driving means, thing
Material table top and holding pad；Parallel on support being provided with two Y-axis guide rails, Y-axis guide bracket is located at Y
On axis rail, Y-axis driving means is located at Y-axis guide rail side and is connected with Y-axis guide bracket；Y
Axis rail front end is fixed with X-axis guide rail, and Y-axis guide bracket rear end is provided with sewing machine head；X
Spindle guide seat is located on X-axis guide rail, and X-axis guide rail side is provided with X-axis driving means；X-axis is driven
Dynamic device include synchronous pulley one, synchronous pulley two, synchronous pulley three, synchronous pulley four,
Timing Belt one, Timing Belt two, splined shaft, bearing, sliding sleeve and servomotor, X-axis is led
Rail is respectively arranged at two ends with synchronous pulley one and synchronous pulley two, and synchronous pulley one is located at synchronization
Between belt wheel one and synchronous pulley two, one end of splined shaft is solid with synchronous pulley two by key
Fixed connection, is sheathed in the middle part of splined shaft in sliding sleeve, and sliding sleeve sets in the bearing of bearing, synchronizes
Belt wheel three is sheathed on outside sliding sleeve by key, and sliding sleeve side is provided with servomotor, servo electricity
The output sleeve of machine is provided with synchronous pulley four, sets between synchronous pulley four and synchronous pulley three
There is Timing Belt four；X-axis guide bracket front end is fixed with institute's holding pad, is provided with below holding pad
Material table top, material table top is fixed on support.
Although the sewing machine in above-mentioned patent documentation can sew pattern design, but it is profit
Walking about by the two dimension of cloth and to realize, its complicated in mechanical structure, cloth is below syringe needle
Mobile causing uses inconvenience, and sewing efficiency is the best.
Summary of the invention
This utility model is the problems referred to above existed for existing technology, it is provided that a kind of
The suture needle swing mechanism of domestic sewing machine.Technical problem to be solved in the utility model is:
The most conveniently realize swinging thus carrying out style sewing of sewing machine suture needle.
The purpose of this utility model can be realized by following technical proposal:
The suture needle swing mechanism of a kind of domestic sewing machine, sewing machine includes frame, is arranged on
The shank that can move up and down in frame and the suture needle being connected in shank lower end, its feature
Being, described suture needle swing mechanism includes swing arm and the motor being arranged in frame, described
Swing arm is that the middle part of strip and swing arm is hinged in described frame, one end of described swing arm
It is connected with described motor and described motor can drive described swing arm to swing around pin joint；
Being hinged with needle bar frame in described frame, described shank is slidably connected on described needle bar frame,
The other end of described swing arm is connected with the end of described needle bar frame and can drive described shank
Frame swings.
Its operation principle is as follows: shank is arranged on needle bar frame and can move up and down, and drives
Suture needle realizes sewing action, and needle bar frame is hinged in frame and can swing；Control system root
The amplitude of oscillation amount pre-set according to the needle tracking designed or operator to one signal of motor,
Motor starts to do half gyration and drives swing arm to swing, and swing arm swings and drives needle bar frame to swing,
Thus complete swinging of suture needle.By making suture needle swing sanction in the technical program
Stitch out tortuous needle tracking, thus form tailor's needle tracking style of decorative kind, meet in life
Various types of tailor's needle tracking style requirements, embody the multifunctionality of domestic sewing machine.
This technology original Integration ofTechnology together, enormously simplify the complexity of structure, then
In conjunction with motor and control system, it is possible to regulation suture needle left and right amplitude of oscillation distance, sewing neatly
During can consecutive variations amplitude of oscillation distance, it is achieved while various tortuous stitches patterns tailors
It is quick on the draw, is easily controlled, convenient and practical.
The technical program is capable of the swing of the suture needle left and right 7mm amplitude of oscillation；Generally sewing
Machine also includes presser foot lifter, and presser foot lifter is arranged on shank lower end, and this presser foot lifter offers horizontal stroke
To bar hole, the suture needle in the technical program can swing in this bar hole.
Presser foot lifter is for compressing the cloth of sewing, and the bar hole offered is it can be avoided that suture needle is at pendulum
Formed with presser foot lifter time dynamic and interfere.
In the suture needle swing mechanism of above-mentioned domestic sewing machine, the output shaft of described motor
Upper connection has cam, and the end of described swing arm connects has roller, described roller to be resisted against institute
State on cam；It is also associated with back-moving spring between described needle bar frame and described frame.Specifically
For, frame is installed with connecting plate, the two ends of back-moving spring are connected to needle bar frame
End and connecting plate on, cam and back-moving spring jointly act on so that about needle bar frame put
Dynamic.Driven by motor cam half gyration, the swing arm being hinged in frame and cam convex
Wheel face contacts, and swing arm will do oscillating motion with the cam surface of cam, the other end of swing arm
Promote needle bar frame to swing aside together, thus complete the unidirectional swing of suture needle；Work as suture needle
When arriving the extreme position of the required amplitude of oscillation, motor starts reversion, and corresponding swing arm also can be to
Rightabout swings, at this moment under the effect of back-moving spring, at the beginning of needle bar frame will be returned to
Beginning position；Continuously repeat action above, be achieved that the technology that swings of suture needle.
In the technical program, roller and cam friction are passed through in swing arm, will when driven by motor swing arm swings
Sliding friction between cam and swing arm is converted into rolling friction, reduces frictional force, thus
Reduce abrasion.
In the suture needle swing mechanism of above-mentioned domestic sewing machine, the output shaft of described motor
On be installed with gear one, described frame is provided with the gear two that can rotate, described gear
One is meshed with described gear two, and described cam is installed on the gear shaft of described gear two.
By gear one and the transmission of gear two in the technical program, facilitate the layout of each parts
And install, and gear drive precision is high.
In the suture needle swing mechanism of above-mentioned domestic sewing machine, the lower end of described needle bar frame
Having metal coupling, the lower end of described swing arm is provided with plastic cement block, and described plastic cement block is with described
Metal coupling leans.As preferably, plastic cement block is set in the lower end of swing arm, usually
The intensity and service life, needle bar frame and the swing arm that ensure accessaries of sewing machine are to use metal
Material is made, when the needle bar frame of such metal material contacts with swing arm, by plastic cement block
The strike note of metal can be reduced, thus during tailor, noise is the lowest.
In the suture needle swing mechanism of above-mentioned domestic sewing machine, described frame is installed with
Fixed station, described fixed station has jointed shaft, and the end of described needle bar frame offers logical
Hole and described jointed shaft are plugged in described through hole, described needle bar frame is additionally provided with and can limit
Make the stop screw that described needle bar frame moves axially along described jointed shaft.So it is easy to shank
The fixing connection of frame.
In the suture needle swing mechanism of above-mentioned domestic sewing machine, described frame is installed with
Can the limited block of teeter, the lower end of described needle bar frame is installed with limited post, described
The end of limited block offers spacing hole, described limited post be plugged in described spacing hole and
Both matched in clearance.Coordinated with limited post by above-mentioned limited block, before limiting needle bar frame
Rear is to movement.
Compared with prior art, by making the suture needle tailor that swings go out in this utility model
Tortuous needle tracking, thus form tailor's needle tracking style of decorative kind, meet in life various
Tailor's needle tracking style requirement of type, embodies the multifunctionality of domestic sewing machine.This skill
Art original Integration ofTechnology together, enormously simplify the complexity of structure, in conjunction with
Motor and control system, it is possible to regulation suture needle left and right amplitude of oscillation distance neatly, sew process
In can consecutive variations amplitude of oscillation distance, it is achieved react while various tortuous stitches patterns tailors
Sensitive, it is easily controlled, convenient and practical.
Accompanying drawing explanation
Fig. 1 is the perspective view one of this suture needle swing mechanism.
Fig. 2 is the perspective view two of this suture needle swing mechanism.
Fig. 3 is the perspective view three of this suture needle swing mechanism.
In figure, 1, frame；2, shank；3, suture needle；4, motor；5, swing arm；6、
Needle bar frame；6a, metal coupling；6b, through hole；7, cam；8, roller；9, reset
Spring；10, gear one；11, gear two；12, plastic cement block；13, fixed station；14、
Jointed shaft；15, stop screw；16, limited block；16a, spacing hole；17, limited post；
18, connecting plate.
Detailed description of the invention
The following is specific embodiment of the utility model and combine accompanying drawing, to this utility model
Technical scheme be further described, but this utility model is not limited to these embodiments.
As shown in Figure 1 to Figure 3, this domestic sewing machine includes frame 1, is arranged on frame 1
On the shank 2 that can move up and down and the suture needle 3 being connected in shank 2 lower end, suture needle
Swing mechanism includes swing arm 5 and the motor 4 being arranged in frame 1, and swing arm 5 is in strip
The middle part of shape and swing arm 5 is hinged in frame 1, and one end of swing arm 5 is connected with motor 4
Connect and motor 4 can drive swing arm 5 to swing around pin joint；It is hinged with shank in frame 1
Frame 6, shank 2 is slidably connected on needle bar frame 6, the other end of swing arm 5 and needle bar frame 6
End be connected and needle bar frame 6 can be driven to swing；Specifically, fixed in frame 1
Having fixed station 13, fixed station 13 has jointed shaft 14, the end of needle bar frame 6 is offered
Having through hole 6b and jointed shaft 14 to be plugged in through hole 6b, needle bar frame 6 is additionally provided with can
Limit the stop screw 15 that needle bar frame 6 moves axially along jointed shaft 14；Motor 4 defeated
Being installed with gear 1 on shaft, frame 1 is provided with the gear 2 11 that can rotate, tooth
Take turns 1 to be meshed with gear 2 11, the gear shaft of gear 2 11 is installed with cam
7, the output shaft of motor 4 connects and has cam 7, the end of swing arm 5 connects roller 8,
Roller 8 is resisted against on cam 7；Be installed with connecting plate 18 in frame 1, needle bar frame 6 with
Being also associated with back-moving spring 9 between connecting plate 18, the two ends of back-moving spring 9 connect respectively
On the end of needle bar frame 6 and connecting plate 18, cam 7 and back-moving spring 9 act on jointly
Needle bar frame 6 is swung.Shank 2 is arranged on needle bar frame 6 and can move up and down,
Driving suture needle 3 to realize sewing action, needle bar frame 6 is hinged in frame 1 and can swing；
The amplitude of oscillation amount that control system pre-sets according to the needle tracking designed or operator is to motor
4 one signals, motor 4 band moving cam 7 half gyration, it is hinged in frame 1
Swing arm 5 and the cam surface of cam 7, swing arm 5 will be done with the cam surface of cam 7
Oscillating motion, the other end of swing arm 5 promotes needle bar frame 6 to swing aside together, thus
Complete the unidirectional swing of suture needle 3；When suture needle 3 arrives the extreme position of the required amplitude of oscillation,
Motor 4 starts reversion, and corresponding swing arm 5 also can swing round about, at this moment multiple
Under the effect of position spring 9, needle bar frame 6 will be returned to initial position；Continuously repeat
The action in face, is achieved that the technology that swings of suture needle 3, swing arm 5 in the present embodiment
Rubbed with cam 7 by roller 8, when motor 4 drives swing arm 5 to swing by cam 7 with
Sliding friction between swing arm 5 is converted into rolling friction, reduces frictional force, thus reduces
Abrasion.By making suture needle 3 tailor that swings go out tortuous needle tracking in the present embodiment, thus
Form tailor's pin 3 mark style of decorative kind, meet various types of tailor's pins in life
3 mark style requirements, embody the multifunctionality of domestic sewing machine.This technology is original
Integration ofTechnology together, enormously simplify the complexity of structure, in conjunction with motor 4 and control
System processed, it is possible to regulation suture needle about 3 amplitude of oscillation distance neatly, can connect during sewing
Continuous change amplitude of oscillation distance, it is achieved be quick on the draw while various tortuous stitches patterns tailors,
It is easily controlled, convenient and practical.Said structure is capable of suture needle about the 3 7mm amplitude of oscillation
Swing；This sewing machine also includes presser foot lifter, and presser foot lifter is arranged on shank 2 lower end, and this is lifted
Offering horizontal bar hole on presser feet, suture needle 3 can swing in this bar hole.
As in figure 2 it is shown, needle bar frame 6 and swing arm 5 are to use metal material in the present embodiment
Making, the lower end of needle bar frame 6 has metal coupling 6a, and the lower end of swing arm 5 is provided with moulds
Blob of viscose 12, plastic cement block 12 leans with metal coupling 6a, and plastic cement block 12 is set in pendulum
The lower end of arm 5, when the needle bar frame 6 of metal material contacts with swing arm 5, by plastic cement block
12 strike notes that can reduce metal, thus during tailor, noise is the lowest.
As it is shown on figure 3, be installed with in frame 1 can the limited block 16 of teeter, pin
The lower end of bridge 6 is installed with limited post 17, and the end of limited block 16 offers spacing hole
16a, limited post 17 is plugged in spacing hole 16a and both matched in clearance, by above-mentioned
Limited block 16 coordinate with limited post 17, limit needle bar frame 6 fore-and-aft direction move.
Specific embodiment described in literary composition is only to this utility model spirit theory for example
Bright.This utility model person of ordinary skill in the field can be to described concrete reality
Execute example make various amendment or supplement or use similar mode to substitute, but can't
Deviate spirit of the present utility model or surmount scope defined in appended claims.
Claims (6)
1. a suture needle swing mechanism for domestic sewing machine, sewing machine include frame (1),
It is arranged in frame (1) shank (2) that can move up and down and is connected in shank (2)
The suture needle (3) of lower end, it is characterised in that described suture needle swing mechanism includes swing arm (5)
With the motor (4) being arranged in frame (1), described swing arm (5) is in strip and pendulum
The middle part of arm (5) is hinged in described frame (1), one end of described swing arm (5) with
Described motor (4) is connected and described motor (4) can drive described swing arm (5) around
Pin joint swings；Needle bar frame (6), described shank (2) it is hinged with in described frame (1)
Being slidably connected on described needle bar frame (6), the other end of described swing arm (5) is with described
The end of needle bar frame (6) is connected and described needle bar frame (6) can be driven to swing.
The suture needle swing mechanism of domestic sewing machine the most according to claim 1, it is special
Levying and be, the output shaft of described motor (4) connects cam (7), described swing arm (5)
End connect have roller (8), described roller (8) to be resisted against on described cam (7)；
Back-moving spring (9) it is also associated with between described needle bar frame (6) and described frame (1).
The suture needle swing mechanism of domestic sewing machine the most according to claim 2, it is special
Levy and be, the output shaft of described motor (4) is installed with gear one (10), described machine
Frame (1) is provided with the gear two (11) that can rotate, described gear one (10) and institute
Stating gear two (11) to be meshed, described cam (7) is installed in described gear two (11)
Gear shaft on.
4. according to the suture needle oscillating machine of the domestic sewing machine described in claim 1 or 2 or 3
Structure, it is characterised in that the lower end of described needle bar frame (6) has metal coupling (6a),
The lower end of described swing arm (5) is provided with plastic cement block (12), described plastic cement block (12) and institute
State metal coupling (6a) to lean.
5. according to the suture needle oscillating machine of the domestic sewing machine described in claim 1 or 2 or 3
Structure, it is characterised in that be installed with fixed station (13) in described frame (1), described solid
Determining to have on platform (13) jointed shaft (14), the end of described needle bar frame (6) offers
Through hole (6b) and described jointed shaft (14) are plugged in described through hole (6b), described
It is additionally provided with on needle bar frame (6) and described needle bar frame (6) can be limited along described jointed shaft (14)
The stop screw (15) moved axially.
The suture needle swing mechanism of domestic sewing machine the most according to claim 5, it is special
Levy and be, described frame (1) is installed with can the limited block (16) of teeter,
The lower end of described needle bar frame (6) is installed with limited post (17), described limited block (16)
End offer spacing hole (16a), described limited post (17) is plugged in described spacing
In hole (16a) and both matched in clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620381180.7U CN205557009U (en) | 2016-04-29 | 2016-04-29 | Domestic sewing machine's seam needle swing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620381180.7U CN205557009U (en) | 2016-04-29 | 2016-04-29 | Domestic sewing machine's seam needle swing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205557009U true CN205557009U (en) | 2016-09-07 |
Family
ID=56804470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620381180.7U Active CN205557009U (en) | 2016-04-29 | 2016-04-29 | Domestic sewing machine's seam needle swing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205557009U (en) |
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2016
- 2016-04-29 CN CN201620381180.7U patent/CN205557009U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230620 Address after: No. 118, Shuicangtou Village, Xiachen Street, Jiaojiang District, Taizhou City, Zhejiang Province, 318000 Patentee after: Cao Rengen Address before: Building 2, No. 66, Xiachen Airport Road, Jiaojiang District, Taizhou City, Zhejiang Province, 318000 Patentee before: TAIZHOU MEIKE PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |