CN107237052A - A kind of arrangements for speed regulation and sewing machine of sewing machine upper cloth feeding device - Google Patents
A kind of arrangements for speed regulation and sewing machine of sewing machine upper cloth feeding device Download PDFInfo
- Publication number
- CN107237052A CN107237052A CN201710493182.4A CN201710493182A CN107237052A CN 107237052 A CN107237052 A CN 107237052A CN 201710493182 A CN201710493182 A CN 201710493182A CN 107237052 A CN107237052 A CN 107237052A
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- China
- Prior art keywords
- flywheel
- sewing machine
- bearing
- power transmission
- arrangements
- 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.)
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/14—Devices for changing speed or for reversing direction of rotation
- D05B69/16—Devices for changing speed or for reversing direction of rotation mechanical
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention belongs to sewing device technical field, a kind of arrangements for speed regulation and sewing machine of sewing machine upper cloth feeding device are refered in particular to；Be provided with mounting seat driven pulley from power set to its transmit power the first power transmission shaft and with the spaced second driving shaft of the first power transmission shaft, be additionally provided with surely main flywheel with moving main flywheel on the first power transmission shaft；It is fixed from flywheel and dynamic from flywheel to be provided with second driving shaft, and the pre-tightening apparatus for making have towards the fixed pretightning force from flywheel all the time from flywheel is additionally provided with second driving shaft；Clip slot is formed between fixed main flywheel, dynamic main flywheel；It is fixed from flywheel, it is dynamic from forming clip slot between flywheel；Belt is connected on two clip slots；Speed sensor is provided with belt；The present invention is mechanical stepless speed regulation, is detected by the speed to belt transmission and then the distance between surely main flywheel and dynamic main flywheel are adjusted and realize speed governing, highly reliable, cost is low.
Description
Technical field：
The invention belongs to sewing device technical field, arrangements for speed regulation and the sewing of a kind of sewing machine upper cloth feeding device are refered in particular to
Machine.
Background technology：
At present, sewing machine is when different fabrics are sewed, due to positioned at the cloth of lower floor being contacted with feed dog, and
Cloth positioned at upper strata is contacted with presser feet.There is provided different acceleration to upper and lower layer cloth, cause it is different degrees of it is upper,
The phenomenon of lower layer mix feeding dislocation, reduces the quality of clothes.Accordingly, it would be desirable to design a to enter the feeding speed of upper strata cloth
The arrangements for speed regulation of row regulation are to avoid the dislocation of upper and lower layer cloth.
The content of the invention：
Pass through stepless speed regulation progress speed governing, highly reliable sewing machine upper cloth feeding device it is an object of the invention to provide a kind of
Arrangements for speed regulation and sewing machine.
What the present invention was realized in：
A kind of arrangements for speed regulation of sewing machine upper cloth feeding device, include the mounting seat being connected on the side wall of casing,
It is provided with mounting seat and is transmitted the first power transmission shaft of power to it from the driven pulley of power set and set with the first power transmission shaft interval
Surely main flywheel is additionally provided with the second driving shaft put, first power transmission shaft and main flywheel is moved, main flywheel is moved with determining
The distance between main flywheel can adjust；It is fixed from flywheel and dynamic from flywheel to be provided with second driving shaft, is passed second
The pre-tightening apparatus for making have towards the fixed pretightning force from flywheel all the time from flywheel is additionally provided with moving axis；Determine main flywheel, move
The relative side of main flywheel is to form clip slot between inclined-plane, two inclined-planes；It is fixed from flywheel, it is dynamic from the relative face of flywheel be oblique
Clip slot is formed between face, two inclined-planes；Belt is connected on two clip slots；Speed sensor is provided with the belt.
In a kind of arrangements for speed regulation of above-mentioned sewing machine upper cloth feeding device, it is described move main flywheel and fixed main flywheel it
Between distance adjustable be：The end face of the other end of first power transmission shaft is provided with adjusting screw, dynamic homophony speed wheel is set in the
Outside one power transmission shaft and the screw rod of adjusting screw, position adjustments of the regulation adjusting screw on the first power transmission shaft move main flywheel with determining
The distance between main flywheel.
In a kind of arrangements for speed regulation of above-mentioned sewing machine upper cloth feeding device, the adjusting screw by manually adjusting or
Automatically adjusted with motor connection by motor.
It is described to move between main flywheel and adjusting screw in a kind of arrangements for speed regulation of above-mentioned sewing machine upper cloth feeding device
It is provided with friction plate.
In a kind of arrangements for speed regulation of above-mentioned sewing machine upper cloth feeding device, first power transmission shaft is Step Shaft, including
First axle bearing bore is provided with large-diameter portion and minor diameter part, mounting seat, one end of the first axle bearing bore is necking part, and minor diameter part leads to
Cross more than one bearing to be arranged in first axle bearing bore, be additionally provided with the first power transmission shaft and the first power transmission shaft is axially moved
Spacing jump ring is carried out, bearing is located between jump ring and necking part.
In a kind of arrangements for speed regulation of above-mentioned sewing machine upper cloth feeding device, the end of the minor diameter part of first power transmission shaft
Outer be arranged with carries out spacing bearing cap to bearing, and one end of bearing cap is plugged in first axle bearing bore.
In a kind of arrangements for speed regulation of above-mentioned sewing machine upper cloth feeding device, the second driving shaft is Step Shaft, including
Second bearing hole is provided with large-diameter portion and minor diameter part, mounting seat, the one end in the second bearing hole is necking part, and minor diameter part leads to
Cross more than one bearing to be arranged in first axle bearing bore, be additionally provided with second driving shaft and second driving shaft is axially moved
Spacing jump ring is carried out, bearing is located between jump ring and necking part.
In a kind of arrangements for speed regulation of above-mentioned sewing machine upper cloth feeding device, the end of the minor diameter part of the second driving shaft
Outer be arranged with carries out spacing bearing cap to bearing, and one end of bearing cap is plugged on second bearing hole.
In a kind of arrangements for speed regulation of above-mentioned sewing machine upper cloth feeding device, the pre-tightening apparatus includes baffle plate and is arranged on
Screw on the end face of the second driving shaft other end, baffle plate is set in outside the screw rod of screw, and one end of spring is held out against dynamic from tune
On the end face of speed wheel, the other end is held out against on baffle plate.
It is a further object to provide a kind of sewing machine, include the speed governing dress of above-mentioned sewing machine upper cloth feeding device
Put.
Prominent advantage is the present invention compared with prior art：
1st, the present invention is mechanical stepless speed regulation, is detected by the speed to belt transmission and then to determining homophony speed
The distance between wheel and dynamic main flywheel, which are adjusted, realizes speed governing, and highly reliable, cost is low；
2nd, the present invention is safe and reliable, in machine run, can also realize timing action.
Brief description of the drawings：
Fig. 1 is the diagrammatic cross-section of the present invention.
Fig. 2 is schematic diagram of the present invention on casing.
In figure：1st, casing；2nd, mounting seat；3rd, the first power transmission shaft；4th, second driving shaft；5th, driven pulley；6th, fixed main flywheel；
7th, main flywheel is moved；8th, it is fixed from flywheel；9th, move from flywheel；10th, baffle plate；11st, spring；12nd, the first clip slot；13rd, the second folder
Groove；14th, belt；15th, speed sensor；16th, screw；17th, adjusting screw；18th, friction plate；19th, necking part；20th, jump ring；
21st, clutch shaft bearing；22nd, second bearing；23rd, back-up ring；24th, bearing cap；25th, feed dog；26th, timing belt；27th, mop axle；28th, it is main
Driving wheel.
Embodiment：
With specific embodiment, the invention will be further described below, referring to Fig. 1-2：
A kind of arrangements for speed regulation of sewing machine upper cloth feeding device, include the mounting seat 2 being connected on the side wall of casing 1,
It is spaced in mounting seat 2 and is arranged with the first power transmission shaft 3, second driving shaft 4 in parallel, being provided with the first power transmission shaft 3 can band
The driven pulley 5 of the power set of the dynamic synchronous axial system of first power transmission shaft 3, be additionally provided with the first power transmission shaft 3 surely main flywheel 6 with
Main flywheel 7 is moved, main flywheel 7 is moved and the distance between fixed main flywheel 6 is adjustable；It is fixed to be provided with second driving shaft 4
From flywheel 8 with dynamic from flywheel 9, being additionally provided with second driving shaft 4 makes all the time to have towards fixed from speed governing from flywheel 9
The pre-tightening apparatus of the pretightning force of wheel 8；The relative side of fixed main flywheel 6, dynamic main flywheel 7 is that inclined-plane, i.e. working face are inclined-plane,
Clip slot is formed between two inclined-planes, is distinguished for convenience, the present embodiment clip slot is called the first clip slot 12；It is fixed from flywheel 8, it is dynamic from
The relative face of flywheel 9 is that inclined-plane, i.e. working face are to form clip slot between inclined-plane, two inclined-planes, is distinguished for convenience, the present embodiment
The clip slot is called the second clip slot 13；Belt 14 is connected on two clip slots；Speed sensor 15 is provided with the belt 14.This
The working surface of the belt 14 of invention has gradient, matches with the gradient of the first clip slot 12 and the second clip slot 13, belt 14
Cross section is triangle or trapezoidal.
Further, pre-tightening apparatus of the present invention includes baffle plate 10 and is arranged on the other end of second driving shaft 4
Screw 16 on end face, baffle plate 10 is set in outside the screw rod of screw 16, and one end of spring 11 is held out against in the dynamic end face from flywheel 9
On, the other end is held out against on baffle plate 10.Spring 11 baffle plate 10 and screw 16 it is spacing under, make have court all the time from flywheel 9
To the fixed pretightning force from flywheel 8.
Certainly, pre-tightening apparatus can also move the lead of circumferentially disposed more than two from the end face outside of flywheel 9,
One-to-one through hole is set on baffle plate 10, and lead is plugged in corresponding through hole, the sheathed spring outside every lead.
Further, the dynamic main flywheel 7 is adjustable with the distance between fixed main flywheel 6 is：In the first power transmission shaft 3
The end face of the other end be provided with adjusting screw 17, move main flywheel 7 and be set in the first power transmission shaft 3 and the screw rod of adjusting screw 17
Outside, position adjustments of the regulation adjusting screw 17 on the first power transmission shaft 3 move the distance between main flywheel 7 and fixed main flywheel 6.
Specifically, the adjusting screw 17 is by manually adjusting or being adjusted with motor connection by motor.Motor is using step
Stepper motor.When being automatically adjusted using stepper motor, in machine run, timing action can be also realized.
In order to prevent adjusting screw 17 from being loosened in motion, rubbed in dynamic be provided between main flywheel 7 and adjusting screw 17
Pad 18.
The concrete structure that the first power transmission shaft 3 of the present invention is connected with mounting seat 2 is as follows：
First axle bearing bore is provided with the mounting seat 2, the first axle bearing bore is necking part close to one end of driven pulley 5
19, more than one bearing is provided with first axle bearing bore, the outer ring of bearing is connected with the inwall of first axle bearing bore, first passes
Moving axis 3 is connected with the endoporus of bearing；First power transmission shaft 3 is Step Shaft, and one end for being connected with bearing is minor diameter part, is used
It is large-diameter portion in installing driven pulley 5, fixed main flywheel 6 with dynamic main flywheel 7, step is formed between large-diameter portion and minor diameter part
Face, is additionally provided with jump ring 20 bearing is spacing between jump ring 20 and necking part 19, step surface on the first power transmission shaft 3.Jump ring
The axial movement of 20 pair of first power transmission shaft 3 carries out spacing.
Specifically, the bearing is provided with two, respectively clutch shaft bearing 21, second bearing 22, between two bearings
It is provided with back-up ring 23.
Further, bearing cap 24 is arranged with outside one end of first power transmission shaft 3, one end of bearing cap 24 is plugged in
On one bearing hole.Bearing cap 24 plays spacing effect to bearing.
The concrete structure that the second driving shaft 4 of the present invention is connected with mounting seat 2 is as follows：
Second bearing hole is provided with the mounting seat 2, the one end in the second bearing hole is necking part 19, in the second axle
More than one bearing is provided with bearing bore, one end of second driving shaft 4 is set by the bearing being arranged in second bearing hole
In mounting seat 2；The outer ring of bearing is connected with the inwall in second bearing hole, and second driving shaft 4 is connected with the endoporus of bearing.It is described
Second driving shaft 4 is Step Shaft, and one end for being connected with bearing is minor diameter part, fixed from flywheel 8 and dynamic from tune for installing
Speed wheel 9 for large-diameter portion, step surface is formed between large-diameter portion and minor diameter part, jump ring 20 is additionally provided with second driving shaft 4
Bearing is spacing between jump ring 20 and necking part 19, step surface.Axial movement of the jump ring 20 to second driving shaft 3 is limited
Position.
Specifically, the bearing is provided with two, respectively clutch shaft bearing 21, second bearing 22, between two bearings
It is provided with back-up ring 23.
Further, bearing cap 24 is arranged with outside one end of the second driving shaft 4, one end of bearing cap 24 is plugged in
On two bearing holes.Bearing cap 24 plays spacing effect to bearing.
First power transmission shaft 3 is set, the mounting seat 2 of second driving shaft 4 can be integral type or split type.
During split-type structural, the first power transmission shaft 3, second driving shaft 4 are separately positioned in corresponding mounting seat, and two mounting seats pass through screw
Connection.
In addition, power set of the present invention include driven pulley 5, the driving wheel 28 being arranged on mop axle 27, it is driven
Wheel 5 is connected by timing belt 26 with driving wheel 28, and Tobe axle 27 is driven by electrical motor of sewing machine and rotated.Driven pulley 5 drives first to pass
Moving axis 3 is rotated.
The operation principle of the present invention：
Because feed dog 25 by electrical motor of sewing machine exports power, the linear velocity of feed dog 25 exists with electrical motor of sewing machine rotating speed
Linear relationship.The linear velocity for walking tooth 25, speed are sent when the linear velocity of the detection belt 14 of speed sensor 15 on belt 14 is more than
Degree induction installation 15 by the signal detected send to sewing machine it is automatically controlled on.Rotated by the automatically controlled control stepper motor of sewing machine
Adjusting screw 17 or by manual mode turning adjusting screw 17, makes main flywheel 7 be moved to surely main flywheel 6, moves master
Space diminishes between flywheel 7 and fixed main flywheel 6, because belt 14 has certain rigidity and belt 14, the dynamic main and of flywheel 7
The working surface of fixed main flywheel 6 has constant slope.Belt 14 expands to outer ring, while the pulling force component of belt 14 is more than bullet
The elastic force of spring 11, belt 14 reduces with dynamic from flywheel 8 fixed from flywheel 9 to inner ring, goes into speedup process.When detection belt
14 linear velocity is less than the linear velocity for sending step tooth 25, by step motor control turning adjusting screw 17, makees in the elastic force of spring 11
Under, belt 14 increases with dynamic from flywheel 8 fixed from flywheel 9 to outer ring, forms moderating process.
Above-described embodiment is only one of presently preferred embodiments of the present invention, and the practical range of the present invention is not limited with this, therefore：
The equivalence changes that all shapes under this invention, structure, principle are done, all should be covered by within protection scope of the present invention.
Claims (10)
1. a kind of arrangements for speed regulation of sewing machine upper cloth feeding device, it is characterised in that：Include and be connected on the side wall of casing (1)
Mounting seat (2), the first power transmission shaft that the driven pulley (5) from power set transmits power to it is provided with mounting seat (2)
(3) and with the first power transmission shaft (3) spaced second driving shaft (4), be provided with first power transmission shaft (3) and determine homophony speed
Take turns (6) and move main flywheel (7), move main flywheel (7) and the distance between fixed main flywheel (6) is adjustable；In the second transmission
It is fixed from flywheel (8) and dynamic from flywheel (9) to be provided with axle (4), and being additionally provided with second driving shaft (4) makes from speed governing
Wheel (9) has the pre-tightening apparatus towards the fixed pretightning force from flywheel (8) all the time；Fixed main flywheel (6), dynamic main flywheel (7) phase
To side be inclined-plane, form clip slot between two inclined-planes；It is fixed from flywheel (8), it is dynamic from the relative face of flywheel (9) be inclined-plane,
Clip slot is formed between two inclined-planes；Belt (14) is connected on two clip slots；Speed sensor is provided with the belt (14)
(15)。
2. a kind of arrangements for speed regulation of sewing machine upper cloth feeding device according to claim 1, it is characterised in that：The dynamic homophony
Speed wheel (7) is adjustable with the distance between fixed main flywheel (6) to be：It is provided with the end face of the other end of the first power transmission shaft (3)
Adjusting screw (17), moves main flywheel (7) and is set in the first power transmission shaft (3) with outside the screw rod of adjusting screw (17), adjusting
Position adjustments of the screw (17) on the first power transmission shaft (3) move main flywheel (7) with determining the distance between main flywheel (6).
3. a kind of arrangements for speed regulation of sewing machine upper cloth feeding device according to claim 2, it is characterised in that：The regulation spiral shell
(17) are followed closely by manually adjusting or being automatically adjusted with motor connection by motor.
4. a kind of arrangements for speed regulation of sewing machine upper cloth feeding device according to claim 2, it is characterised in that：The dynamic homophony
Friction plate (18) is provided between speed wheel (7) and adjusting screw (17).
5. a kind of arrangements for speed regulation of sewing machine upper cloth feeding device according to claim any one of 1-4, it is characterised in that：Institute
The first power transmission shaft (3) is stated for Step Shaft, including large-diameter portion and minor diameter part, be provided with first axle bearing bore in mounting seat (2), described the
One end of one bearing hole is necking part (19), and minor diameter part is arranged in first axle bearing bore by more than one bearing, first
It is additionally provided with to be axially moved the first power transmission shaft (3) on power transmission shaft (3) and carries out spacing jump ring (20), bearing is located at jump ring (20)
Between necking part (19).
6. a kind of arrangements for speed regulation of sewing machine upper cloth feeding device according to claim 5, it is characterised in that：Described first passes
It is arranged with outside the end of the minor diameter part of moving axis (3) and spacing bearing cap (24) is carried out to bearing, one end of bearing cap (24) is plugged
In first axle bearing bore.
7. a kind of arrangements for speed regulation of sewing machine upper cloth feeding device according to claim any one of 1-4, it is characterised in that：Institute
Second driving shaft (4) is stated for Step Shaft, including large-diameter portion and minor diameter part, be provided with second bearing hole in mounting seat (2), described the
One end of two bearing holes is necking part (19), and minor diameter part is arranged in first axle bearing bore by more than one bearing, second
It is additionally provided with to be axially moved second driving shaft (4) on power transmission shaft (4) and carries out spacing jump ring (20), bearing is located at jump ring (20)
Between necking part (19).
8. a kind of arrangements for speed regulation of sewing machine upper cloth feeding device according to claim 7, it is characterised in that：Described second passes
It is arranged with outside the end of the minor diameter part of moving axis (4) and spacing bearing cap (24) is carried out to bearing, one end of bearing cap (24) is plugged
On second bearing hole.
9. a kind of arrangements for speed regulation of sewing machine upper cloth feeding device according to claim 1, it is characterised in that：The pretension dress
Put including baffle plate (10) and the screw (16) being arranged on the end face of second driving shaft (4) other end, baffle plate (10) is set in spiral shell
Outside the screw rod for following closely (16), one end of spring (11) is held out against dynamic from the end face of flywheel (9), and the other end is held out against in baffle plate (10)
On.
10. a kind of sewing machine, it is characterised in that：Including the sewing machine upper cloth feeding device as described in claim any one of 1-9
Arrangements for speed regulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710493182.4A CN107237052B (en) | 2017-06-26 | 2017-06-26 | Speed regulating device of cloth feeding device on sewing machine and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710493182.4A CN107237052B (en) | 2017-06-26 | 2017-06-26 | Speed regulating device of cloth feeding device on sewing machine and sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107237052A true CN107237052A (en) | 2017-10-10 |
| CN107237052B CN107237052B (en) | 2020-01-07 |
Family
ID=59986535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710493182.4A Active CN107237052B (en) | 2017-06-26 | 2017-06-26 | Speed regulating device of cloth feeding device on sewing machine and sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107237052B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3015964A (en) * | 1959-11-23 | 1962-01-09 | Takanosuke Oki | Stepless speed changing means |
| JPS56153147A (en) * | 1980-04-30 | 1981-11-27 | Aisin Warner Ltd | Oil pressure regulating device for v-belt type stepless speed changing apparatus for vehicle |
| CN2594545Y (en) * | 2002-12-30 | 2003-12-24 | 欧北根 | Stepless gear box with belt transmission |
| CN2605099Y (en) * | 2002-12-30 | 2004-03-03 | 欧北根 | Headstock box for stepless speed regulating lathe |
| CN2769287Y (en) * | 2004-12-31 | 2006-04-05 | 潘国民 | Stepless speed changing mop device for industrial sewing machine |
| CN201212550Y (en) * | 2008-07-01 | 2009-03-25 | 重庆工学院 | Electric speed regulating device of stepless transmission |
| CN201881362U (en) * | 2010-12-08 | 2011-06-29 | 南京百为五金工具有限公司 | Speed-adjusting electric tool |
| CN203487351U (en) * | 2013-10-10 | 2014-03-19 | 詹国强 | Belt-type synchronous edge stitching machine |
| CN205998286U (en) * | 2016-08-30 | 2017-03-08 | 太极集团浙江东方制药有限公司 | Automatic granular packaging machine |
-
2017
- 2017-06-26 CN CN201710493182.4A patent/CN107237052B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3015964A (en) * | 1959-11-23 | 1962-01-09 | Takanosuke Oki | Stepless speed changing means |
| JPS56153147A (en) * | 1980-04-30 | 1981-11-27 | Aisin Warner Ltd | Oil pressure regulating device for v-belt type stepless speed changing apparatus for vehicle |
| CN2594545Y (en) * | 2002-12-30 | 2003-12-24 | 欧北根 | Stepless gear box with belt transmission |
| CN2605099Y (en) * | 2002-12-30 | 2004-03-03 | 欧北根 | Headstock box for stepless speed regulating lathe |
| CN2769287Y (en) * | 2004-12-31 | 2006-04-05 | 潘国民 | Stepless speed changing mop device for industrial sewing machine |
| CN201212550Y (en) * | 2008-07-01 | 2009-03-25 | 重庆工学院 | Electric speed regulating device of stepless transmission |
| CN201881362U (en) * | 2010-12-08 | 2011-06-29 | 南京百为五金工具有限公司 | Speed-adjusting electric tool |
| CN203487351U (en) * | 2013-10-10 | 2014-03-19 | 詹国强 | Belt-type synchronous edge stitching machine |
| CN205998286U (en) * | 2016-08-30 | 2017-03-08 | 太极集团浙江东方制药有限公司 | Automatic granular packaging machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107237052B (en) | 2020-01-07 |
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Address after: 318000 no.1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |