CN106400324A - Needle distance adjustment mechanism of sewing machine - Google Patents
Needle distance adjustment mechanism of sewing machine Download PDFInfo
- Publication number
- CN106400324A CN106400324A CN201610422294.6A CN201610422294A CN106400324A CN 106400324 A CN106400324 A CN 106400324A CN 201610422294 A CN201610422294 A CN 201610422294A CN 106400324 A CN106400324 A CN 106400324A
- Authority
- CN
- China
- Prior art keywords
- sewing machine
- travelling gear
- needle gage
- installing plate
- stepper motor
- 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
- D05B27/00—Work-feeding means
- D05B27/02—Work-feeding means with feed dogs having horizontal and vertical movements
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/02—Mechanical drives
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/30—Details
Abstract
The invention provides a needle distance adjustment mechanism of a sewing machine and belongs to the technical field of sewing machines. The mechanism solves the problems that a needle distance adjustment mechanism of an existing sewing machine is not stable enough, and the accuracy is low. The needle distance adjustment mechanism of the sewing machine is characterized in that the sewing machine comprises a base; the needle distance adjustment mechanism comprises a stepping motor, an installation plate and a transmission shaft; the installation plate is firmly connected to the base; an installation hole 1 and an installation hole 2 are formed in the installation plate respectively; a motor shaft of the stepping motor passes through the installation hole 1 through rotation; a transmission gear 1 is firmly connected to the end part stretched by the motor shaft; the transmission shaft is connected in the installation hole 2 in a rotatable manner; one end of the transmission shaft is firmly connected to a sway base, and the other end stretches out from the installation hole 2; a transmission gear 2 is firmly connected to the stretching end part; the transmission gear 2 is sectorial; and the transmission gear 2 is meshed with the transmission gear 1. The needle distance adjustment mechanism of the sewing machine has the advantages that needle distance adjustment accuracy is higher, and the processing cost is lower.
Description
Technical field
The invention belongs to sewing machine technique field, it is related to a kind of needle gage regulation machine of sewing machine
Structure.
Background technology
Sewing machine is to use one or more sewing thread, forms one or more line on sewing
Mark, makes the machine that one or more layers sewing interweaves or unites by a seam, function of sewing sewing cotton,
The product such as the fabrics such as fiber crops, silk, hair, staple fibre and leather, plastics, paper, stitches out
Stitching neat appearance, smooth firmly, sewing velocity is fast, easy to use.Sewing machine exists
Need during use needle gage is adjusted, and the regulative mode for needle gage be more,
As by bidding quotation assembly, electromagnet, motor etc., such as Chinese utility model patent application (Shen
Please number：201420493668.X) disclose one kind using the regulation of driving stepper motor needle gage
The sewing machine of mechanism, including head and cloth feeding mechanism, the bottom of described head is provided with step
Stepper motor and suitable seam drive shaft of falling, are connected with cloth feeding mechanism along seam drive shaft, stepping electricity
In machine, there is drive shaft, described stepper motor and suitable seam of falling are provided with speed change between drive shaft
Gear mechanism；Described change gear mechanism includes driving gear and the driven gear of external toothing,
Described driving gear is located at the end of drive shaft, and driven gear is located at along seam drive shaft end
Portion.But because the distance that needle gage is adjusted is small, and two gears in documents divide
It is not arranged on different carriers, and the position relationship between two gears directly affects pin
Away from the precision adjusting, therefore said structure needs repeatedly to debug and adjust motor and gear
Position, installs and more bothers, and because installation site is not sufficiently stable, long-time use will
Impact degree of regulation.
Content of the invention
The purpose of the present invention is to there are the problems referred to above for existing technology it is proposed that a kind of
The needle gage governor motion of sewing machine, the regulation to needle gage of the needle gage governor motion of this sewing machine
Precision is higher, and processing cost is lower.
The purpose of the present invention can be realized by following technical proposal：A kind of pin of sewing machine
Distance regulating mechanism, sewing machine includes base, and described base is rotatably connected to cloth pushing shaft,
Swing seat is also hinged with base, the front end of described cloth pushing shaft and feed dog are connected,
Rear end and swing seat are connected it is characterised in that described needle gage governor motion includes stepping
Motor, installing plate and power transmission shaft, described installing plate is connected on base, on a mounting board
Offer installing hole one and installing hole two respectively, described stepper motor is connected in installing plate side
On face, and the motor shaft of stepper motor turns through installing hole one, stretches out in motor shaft
End is fixed with travelling gear one, and described drive axis are connected in installing hole two, and
Power transmission shaft is paralleled with the motor shaft of stepper motor, one end of described power transmission shaft and swing seat
It is fixedly connected with, the other end stretches out installing hole two, and is fixed with travelling gear in the end stretched out
Two, described travelling gear two is in sector, and travelling gear two is meshed with travelling gear one.
Installing plate is flat board, and installing hole one and installing hole two are pre-machined out before the mounting,
Therefore, it is possible to ensure the precision of distance between installing hole one and installing hole two, then will install
Plate is fixed on base, and power transmission shaft passes through installing hole two so that power transmission shaft and installing hole two
There is higher axiality, the motor shaft of stepper motor passes through installing hole two, stepping simultaneously
Motor is directly anchored on installing plate, forms overall structure so that motor shaft with installing plate
With installing hole one, there is higher axiality, therefore this needle gage governor motion only needs to adding
Ensure installing hole once the depth of parallelism with installing hole two axial line and distance during work installing plate
Can gearratio between precise control travelling gear one and travelling gear two and transmission steady
Qualitative, thus improving needle gage degree of regulation, need not repeatedly install, debug stepper motor and
Power transmission shaft, simplifies installation and debugging operation, reduces processing cost, further, by
It is processed into sector in travelling gear two, overall weight diminishes, rotation when therefore rotating is used to
Measure little, rotational angle controls more accurately, and fan-shaped travelling gear two makes entirety certainly
Volume less, can reasonably arrange driving cog in the limited installing space of sewing machine
Gearratio between wheel one and travelling gear two, and then improve transmission accuracy.
In the needle gage governor motion of above-mentioned sewing machine, described base offers fixation
Hole, described installing plate side vertically has fixed cover, and this fixed cover is same with installing hole two
Axle center is arranged, and described fixed cover is fixedly plugged in the fixing in the hole of base, described power transmission shaft
Rotation is located in fixed cover, and power transmission shaft and fixed cover interference fits.Fixed cover close-fitting
Conjunction is fixed on fixing in the hole so that installing plate is fixed on base, and fixed cover is used for simultaneously
Keep the stablizing of power transmission shaft, and improve the installation accuracy of power transmission shaft so that power transmission shaft and peace
Dress has higher axiality between hole two.
In the needle gage governor motion of above-mentioned sewing machine, described installing plate side opens up
There are the locating slot of circle, this locating slot and the concentric setting of installing hole one, described stepping electricity
The positioning boss of circle is had on the end face of machine, this positioning boss is concentric with motor shaft to be set
Put, described positioning boss is plugged in locating slot, and the periphery wall of positioning boss and positioning
Groove cell wall interference fits.Locating slot is used for positioning the position of stepper motor so that stepping is electric
Machine is firmly fixed rear motor axle and has higher axiality with installing hole one, finally makes
Motor shaft and power transmission shaft have the higher depth of parallelism, and distance controlling more accurately it is ensured that
Travelling gear one and the gearratio of travelling gear two.
In the needle gage governor motion of above-mentioned sewing machine, the end face of described stepper motor with
The side phase of installing plate reclines, and stepper motor is fixedly connected with by screw with installing plate.Make
The fixation obtaining between stepper motor and installing plate is more stable, passes through stepper motor end simultaneously
Mutual restriction between face and installing plate side is it is ensured that between motor shaft and installing hole one
Axiality.
In the needle gage governor motion of above-mentioned sewing machine, the side of described travelling gear two
On offer loss of weight breach, described loss of weight breach be in sector.Loss of weight breach reduces further
The weight of travelling gear two, thus reducing rotary inertia, improves the precision of rotational angle.
In the needle gage governor motion of above-mentioned sewing machine, the radius of described travelling gear two
It is 4～6 times of radius of travelling gear one.Travelling gear one is less, and travelling gear two is relatively
Greatly, the angle that when therefore travelling gear one rotates set angle, travelling gear two rotates is less,
Precision is higher, and the minimum angles that this stepper motor selects with nutating gear one are 1.8 °,
Realize travelling gear one by 200 steps to rotate a circle, simultaneously because adopting sector structure
Travelling gear two so that travelling gear two is in the case of sewing machine installing space is less
Reach larger radius, thus improving gearratio so that the minimum range that needle gage is adjusted reaches
To 0.08mm, needle gage degree of regulation height.
In the needle gage governor motion of above-mentioned sewing machine, the side of described travelling gear one
Upper wound motor axle has the limit convex edge of annular, described limit convex edge and installing plate side
Lean.Travelling gear one is force application part, needs larger stability, therefore passes through
Limit convex so that travelling gear one keeps stable, improves and adjusts along against installing plate side
Precision.
In the needle gage governor motion of above-mentioned sewing machine, described Its lower side face is connected
There is gear box cover, above-mentioned installing plate is located at the outside of base and gear box cover, described gear
Mounting groove is recessed on case lid downside, the top of above-mentioned stepper motor is located at mounting groove
Interior.Installing plate is arranged on the outside of base and gear box cover, increases driving cog as far as possible
Wheel one and the installing space of travelling gear two, increase both gearratios, improve needle gage and adjust
Section precision.
In the needle gage governor motion of above-mentioned sewing machine, described gear box cover is fixed with
Case, the bottom of above-mentioned stepper motor is located in case, the side of described case have with
The relative cover plate in installing plate side, described travelling gear one and travelling gear two are located to be installed
Between plate side and cover plate side.Case can enter to travelling gear one and travelling gear two
Row capping, it is to avoid foreign materials away travelling gear one and travelling gear two, and then ensure transmission
Stability.
In the needle gage governor motion of above-mentioned sewing machine, described swing seat takes the shape of the letter U, on
The side of the end and swing seat of stating power transmission shaft is fixedly connected with, the two ends inwall of described swing seat
On be all hinged with oscillating deck, described cloth pushing shaft is fixed with needle gage crank, described oscillating deck
It is hinged with needle gage crank.Stepper motor coordinates drive power transmission shaft rotation by gear, passes
Moving axis drives swing seat to swing, and then by oscillating deck and needle gage crank, cloth pushing shaft is turned
Dynamic, realize needle gage and adjust.
Compared with prior art, the needle gage governor motion of this sewing machine has advantages below：
1st, due to installing hole one and installing hole two being opened up on same installing plate, therefore, it is possible to
Ensure the precision of distance between installing hole one and installing hole two, power transmission shaft passes through installing hole two,
Power transmission shaft and installing hole two is made to have higher axiality, the motor shaft of stepper motor is worn
Cross installing hole two so that motor shaft and installing hole one have higher axiality, therefore originally
Needle gage governor motion only needs to ensure installing hole one and installing hole two axle when processing installing plate
The depth of parallelism of heart line and distance just being capable of precise control travelling gear one and travelling gears two
Between gearratio and transmission stability, thus improving needle gage degree of regulation.
2nd, power transmission shaft is carried out position due to installing hole two, a pair of motor shaft of installing hole is carried out
Positioning, therefore need not repeatedly install, debug stepper motor and power transmission shaft, simplify installation
With debugging operation, reduce processing cost.
3rd, because travelling gear two is processed into sector, overall weight diminishes, when therefore rotating
Rotary inertia little, rotational angle controls more accurate, fan-shaped travelling gear two simultaneously
So that the volume of entirety is less, being capable of rational cloth in the limited installing space of sewing machine
Put the gearratio between travelling gear one and travelling gear two, and then improve transmission accuracy.
Brief description
Fig. 1 is the perspective view of needle gage governor motion.
Fig. 2 is the structure sectional view of needle gage governor motion.
Fig. 3 is the schematic enlarged-scale view at A in Fig. 2.
Fig. 4 is the schematic enlarged-scale view at B in Fig. 1.
Fig. 5 is the perspective view of installing plate.
Fig. 6 is the perspective view of stepper motor.
Fig. 7 is the sectional perspective structural representation of sewing machine.
Fig. 8 is the partial structurtes side view of sewing machine.
In figure, 1, base；11st, cloth pushing shaft；111st, needle gage crank；12nd, swing seat；
121st, oscillating deck；13rd, feed dog；14th, fixing hole；2nd, stepper motor；21st, electricity
Arbor；22nd, positioning boss；3rd, installing plate；31st, installing hole one；32nd, installing hole two；
33rd, fixed cover；34th, locating slot；4th, power transmission shaft；5th, travelling gear one；51st, limit
Position convex edge；6th, travelling gear two；61st, loss of weight breach；7th, gear box cover；71st, pacify
Tankage；8th, case；81st, cover plate.
Specific embodiment
The following is the specific embodiment of the present invention and combine accompanying drawing, the technical side to the present invention
Case is further described, but the present invention is not limited to these embodiments.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the needle gage governor motion of a kind of sewing machine,
Sewing machine includes base 1, and base 1 is rotatably connected to cloth pushing shaft 11, on base 1
Also it is hinged with swing seat 12, the front end of cloth pushing shaft 11 is connected with feed dog 13, rear end
It is connected with swing seat 12, needle gage governor motion includes stepper motor 2, installing plate 3 and
Power transmission shaft 4, installing plate 3 is connected on base 1, offers respectively on installing plate 3
Installing hole 1 and installing hole 2 32, stepper motor 2 is connected on installing plate 3 side,
And the motor shaft 21 of stepper motor 2 turns through installing hole 1, stretches in motor shaft 21
The end going out is fixed with travelling gear 1, and power transmission shaft 4 is rotatably connected on installing hole 2 32
Interior, and power transmission shaft 4 paralleled with the motor shaft 21 of stepper motor 2, the one of power transmission shaft 4
End is fixedly connected with swing seat 12, and the other end stretches out installing hole 2 32, and at the end stretched out
Portion is fixed with travelling gear 26, and travelling gear 26 is in sector, and travelling gear 26
It is meshed with travelling gear 1, installing plate 3 is flat board, is pre-machined before the mounting
Go out installing hole 1 and installing hole 2 32, therefore, it is possible to ensureing installing hole 1 and installing
The precision of distance between hole 2 32, then installing plate 3 is fixed on base 1, transmission
Axle 4 pass through installing hole 2 32 so that power transmission shaft 4 and installing hole 2 32 have higher
Axiality, the motor shaft 21 of stepper motor 2 passes through installing hole 2 32, the electricity of stepping simultaneously
Machine 2 is directly anchored on installing plate 3, forms overall structure so that electricity with installing plate 3
Arbor 21 and installing hole 1 have higher axiality, therefore this needle gage governor motion
Only need to ensure installing hole 1 and installing hole 2 32 axial line when processing installing plate 3
The depth of parallelism and distance just being capable of precise control travelling gear 1 and travelling gear 26
Between gearratio and transmission stability, thus improving needle gage degree of regulation, need not be anti-
Multiple installation, debugging stepper motor 2 and power transmission shaft 4, simplify installation and debugging operation,
Reduce processing cost, further, because travelling gear 26 is processed into sector, overall
Weight diminishes, and rotary inertia when therefore rotating is little, and rotational angle controls more accurately,
Certainly fan-shaped travelling gear 26 makes overall volume less, limited in sewing machine
Can reasonably arrange between travelling gear 1 and travelling gear 26 in installing space
Gearratio, and then improve transmission accuracy, travelling gear 1 and driving cog in the present embodiment
Take turns 26 rear ends being respectively positioned on stepper motor 2, certainly can also during reality processing
Travelling gear 1 and travelling gear 26 are arranged on the front end of stepper motor 2, that is, walk
The motor shaft 21 of stepper motor 2 is towards the front end of base 1.
Specifically, in conjunction with shown in Fig. 5, Fig. 6, base 1 offers fixing hole 14,
Installing plate 3 vertically has fixed cover 33 on side, this fixed cover 33 and installing hole 2 32
Concentric setting, fixed cover 33 passes through to be tightly fixed to be plugged on the fixing hole of base 1
So that installing plate 3 is fixed on base 1 in 14, power transmission shaft 4 rotates and is located in fixation
In set 33, and power transmission shaft 4 and fixed cover 33 interference fits, for keeping power transmission shaft 4
Stablize, and improve the installation accuracy of power transmission shaft 4 so that power transmission shaft 4 and installing hole two
There is between 32 higher axiality.The locating slot of circle is offered on installing plate 3 side
34, this locating slot 34 and the concentric setting of installing hole 1, the end face of stepper motor 2
On have circle positioning boss 22, this positioning boss 22 is concentric with motor shaft 21 to be set
Put, positioning boss 22 is plugged in locating slot 34, and the periphery wall of positioning boss 22 with
Locating slot 34 cell wall interference fits, locating slot 34 is used for positioning the position of stepper motor 2,
Make stepper motor 2 be firmly fixed rear motor axle 21 and installing hole 1 have higher
Axiality, finally make motor shaft 21 and power transmission shaft 4 have the higher depth of parallelism, and
Distance controlling is more accurately it is ensured that the gearratio of travelling gear 1 and travelling gear 26.
The end face of stepper motor 2 is reclined with the side phase of installing plate 3, and stepper motor 2 and peace
Dress plate 3 is fixedly connected with the fixation so that between stepper motor 2 and installing plate 3 by screw
More stable, pass through mutual between stepper motor 2 end face and installing plate 3 side simultaneously
Limit the axiality it is ensured that between motor shaft 21 and installing hole 1.
Loss of weight breach 61 is offered on the side of travelling gear 26, loss of weight breach 61 is in
Sector, reducing the weight of travelling gear 26 further, thus reducing rotary inertia, carrying
The precision of high rotational angle.The radius of travelling gear 26 is the radius of travelling gear 1
5 times, travelling gear 1 is less, and travelling gear 26 is larger, therefore travelling gear
The angle that during one 5 rotation set angle, travelling gear 26 rotates is less, and precision is higher,
The minimum angles that this stepper motor 2 selects with nutating gear 1 are 1.8 °, that is, lead to
Cross 200 steps and realize travelling gear 1 and rotate a circle, simultaneously because using sector structure
Travelling gear 26 is so that travelling gear 26 is in the less situation of sewing machine installing space
Be issued to larger radius, thus improve gearratio so that needle gage adjust minimum range
Reach 0.08mm, needle gage degree of regulation is high.Wound motor on the side of travelling gear 1
Axle 21 has the limit convex of annular along 51, and limit convex is offseted along 51 with installing plate 3 side
Lean on, travelling gear 1 is force application part, needs larger stability, therefore pass through limit
Position convex edge 51, is improved against installing plate 3 side so that travelling gear 1 keeps stable
Degree of regulation.
In conjunction with shown in Fig. 7, Fig. 8, base 1 downside being fixed with gear box cover 7, pacify
Dress plate 3 is located at the outside of base 1 and gear box cover 7, interior on gear box cover 7 downside
Spill becomes mounting groove 71, and the top of stepper motor 2 is located in mounting groove 71, will install
Plate 3 is arranged on base 1 and the outside of gear box cover 7, increases travelling gear one as far as possible
5 and the installing space of travelling gear 26, increase both gearratios, improve needle gage and adjust
Section precision.Case 8 is fixed with gear box cover 7, the bottom of stepper motor 2 is located at cover
In shell 8, the side of case 8 has the cover plate 81 relative with installing plate 3 side, transmission
Gear 1 and travelling gear 26 are located between installing plate 3 side and cover plate 81 side,
Case 8 can cover to travelling gear 1 and travelling gear 26, it is to avoid foreign matter
Impact travelling gear 1 and travelling gear 26, and then ensure transmission stability.Swing
Seat 12 takes the shape of the letter U, and the end of power transmission shaft 4 is fixedly connected with the side of swing seat 12, swings
All it is hinged with oscillating deck 121 on the two ends inwall of seat 12, cloth pushing shaft 11 is fixed with pin
Away from crank 111, oscillating deck 121 is hinged with needle gage crank 111, and stepper motor 2 leads to
Crossing gear cooperation drives power transmission shaft 4 to rotate, and power transmission shaft 4 drives swing seat 12 to swing, and enters
And pass through oscillating deck 121 and needle gage crank 111 so that cloth pushing shaft 11 rotates, realize needle gage
Adjust.
Specific embodiment described herein is only theory for example to present invention spirit
Bright.Those skilled in the art can be to described specific embodiment
Make various modifications or supplement or substituted using similar mode, but without departing from
The spirit of the present invention or surmount scope defined in appended claims.
Although more employing base 1, cloth pushing shaft 11, needle gage crank 111 etc. herein
Term, but it is not precluded from the possibility using other terms.Using these terms it is only
In order to more easily describe and explain the essence of the present invention；It is construed as any one
Additional restriction is all contrary with spirit of the present invention.
Claims (10)
1. the needle gage governor motion of a kind of sewing machine, sewing machine includes base (1), described
Cloth pushing shaft (11) is rotatably connected on base (1), base (1) is also hinged with pendulum
Dynamic seat (12), the front end of described cloth pushing shaft (11) and feed dog (13) are connected, after
End is connected it is characterised in that described needle gage governor motion includes with swing seat (12)
Stepper motor (2), installing plate (3) and power transmission shaft (4), described installing plate (3) is solid
It is connected on base (1), installing hole one (31) is offered respectively on installing plate (3)
With installing hole two (32), described stepper motor (2) is connected on installing plate (3) side,
And the motor shaft (21) of stepper motor (2) turns through installing hole one (31), in electricity
The end that arbor (21) stretches out is fixed with travelling gear one (5), described power transmission shaft (4)
It is rotatably connected in installing hole two (32), and power transmission shaft (4) and stepper motor (2)
Motor shaft (21) parallel, one end of described power transmission shaft (4) and swing seat (12)
It is fixedly connected with, the other end stretches out installing hole two (32), and is fixed with transmission in the end stretched out
Gear two (6), described travelling gear two (6) is in sector, and travelling gear two (6)
It is meshed with travelling gear one (5).
2. the needle gage governor motion of sewing machine according to claim 1, its feature exists
In fixing hole (14), described installing plate (3) side are offered on described base (1)
On vertically there is fixed cover (33), this fixed cover (33) is coaxial with installing hole two (32)
The heart is arranged, and described fixed cover (33) is fixedly plugged in the fixing hole (14) of base (1)
Interior, described power transmission shaft (4) rotates and is located in fixed cover (33), and power transmission shaft (4)
With fixed cover (33) interference fits.
3. the needle gage governor motion of sewing machine according to claim 1, its feature exists
In, described installing plate (3) side offers circle locating slot (34), this positioning
Groove (34) and the concentric setting of installing hole one (31), the end of described stepper motor (2)
The positioning boss (22) of circle, this positioning boss (22) and motor shaft (21) are had on face
Concentric setting, described positioning boss (22) is plugged in locating slot (34), and fixed
The periphery wall of position boss (22) and locating slot (34) cell wall interference fits.
4. the needle gage governor motion of sewing machine according to claim 3, its feature exists
In, the end face of described stepper motor (2) and the side phase of installing plate (3) recline, and
Stepper motor (2) is fixedly connected with by screw with installing plate (3).
5. the needle gage of the sewing machine according to claim 1 or 2 or 3 or 4 adjusts machine
Structure is it is characterised in that offer loss of weight breach on the side of described travelling gear two (6)
(61), described loss of weight breach (61) is in sector.
6. the needle gage governor motion of sewing machine according to claim 5, its feature exists
In, the radius of described travelling gear two (6) be the radius of travelling gear one (5) 4～
6 times.
7. the needle gage of the sewing machine according to claim 1 or 2 or 3 or 4 adjusts machine
Structure is it is characterised in that wound motor axle (21) on the side of described travelling gear one (5)
, along (51), described limit convex is along (51) and installing plate (3) for the limit convex with annular
Side leans.
8. the needle gage of the sewing machine according to claim 1 or 2 or 3 or 4 adjusts machine
Structure it is characterised in that being fixed with gear box cover (7) on described base (1) downside,
Above-mentioned installing plate (3) is located at the outside of base (1) and gear box cover (7), described tooth
Wheel is recessed mounting groove (71), above-mentioned stepper motor (2) on case lid (7) downside
Top be located at mounting groove (71) in.
9. the needle gage governor motion of sewing machine according to claim 8, its feature exists
In case (8), above-mentioned stepper motor (2) are fixed with described gear box cover (7)
Bottom be located in case (8), the side of described case (8) has and installing plate (3)
The relative cover plate in side (81), described travelling gear one (5) and travelling gear two (6)
Between installing plate (3) side and cover plate (81) side.
10. the needle gage of the sewing machine according to claim 1 or 2 or 3 or 4 is adjusted
Mechanism it is characterised in that described swing seat (12) takes the shape of the letter U, above-mentioned power transmission shaft (4)
End be fixedly connected with the side of swing seat (12), the two ends of described swing seat (12)
Oscillating deck (121) is all hinged with inwall, described cloth pushing shaft (11) is fixed with needle gage
Crank (111), described oscillating deck (121) and needle gage crank (111) are hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610422294.6A CN106400324B (en) | 2016-06-14 | 2016-06-14 | Needle pitch adjusting mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610422294.6A CN106400324B (en) | 2016-06-14 | 2016-06-14 | Needle pitch adjusting mechanism of sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106400324A true CN106400324A (en) | 2017-02-15 |
| CN106400324B CN106400324B (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610422294.6A Active CN106400324B (en) | 2016-06-14 | 2016-06-14 | Needle pitch adjusting mechanism of sewing machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106637701A (en) * | 2017-03-06 | 2017-05-10 | 苏州沃瑞豪兹自动化设备有限公司 | Industrial sewing machine |
| CN107938182A (en) * | 2018-01-08 | 2018-04-20 | 东莞市明珊机械制造有限公司 | A kind of double differential 3D computerized patterns vehicle and horse gram line machine |
| CN109208187A (en) * | 2018-10-19 | 2019-01-15 | 百福工业缝纫机（张家港）有限公司 | Novel automatic feed sewing machine |
| WO2021159622A1 (en) * | 2020-02-12 | 2021-08-19 | 大连理工大学 | Handheld paper embroidery packaging machine |
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| CN109208187A (en) * | 2018-10-19 | 2019-01-15 | 百福工业缝纫机（张家港）有限公司 | Novel automatic feed sewing machine |
| WO2021159622A1 (en) * | 2020-02-12 | 2021-08-19 | 大连理工大学 | Handheld paper embroidery packaging machine |
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