CN202164439U - Feed device capable of controlling delivery speed and tension of sewing thread - Google Patents
Feed device capable of controlling delivery speed and tension of sewing thread Download PDFInfo
- Publication number
- CN202164439U CN202164439U CN2011201881982U CN201120188198U CN202164439U CN 202164439 U CN202164439 U CN 202164439U CN 2011201881982 U CN2011201881982 U CN 2011201881982U CN 201120188198 U CN201120188198 U CN 201120188198U CN 202164439 U CN202164439 U CN 202164439U
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- China
- Prior art keywords
- pinch roller
- tension
- feeding means
- motor
- sewing thread
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- Expired - Fee Related
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Abstract
The utility model relates to a feed device capable of controlling the delivery speed and the tension of a sewing thread. The feed device mainly comprises a bracket set, a delivery set, a baseplate, a tension control set, a clamping and pressing control set and a rotational speed controller, wherein the delivery set comprises a first motor and a thread enwinding wheel; the delivery set and the baseplate are both arranged at one end of the bracket set; the tension control set is arranged on the baseplate, and comprises a second motor, a first pressing wheel, a second pressing wheel, a first guide wheel and a second guide wheel; and the clamping and pressing control set is connected with the first pressing wheel, and can control the first pressing wheel to/not to contact the second pressing wheel.
Description
Technical field
The utility model is meant especially generally and can arranges in pairs or groups in Sewing machines about a kind of feeding means of controlling transfer rate and stitch tension, provides Sewing machines required sewing thread, and a kind of sewing thread feeding means of accurately presenting.
Background technology
General Sewing machines is carried out the action of sewing merely; In the past, sewing thread was wrapped on the rotatable cylinder, and the sewing employee is except the manual granny rag of needs oneself; Also need oneself to draw sewing thread; The work of so wasting time and energy, unexpected except frequent work safety, also have influence on the accuracy that product is sewed; Along with development of science and technology, the system of automation can provide the more product of high-quality, automatic cloth puller and sewing thread feeding means so develop in succession, makes the work flow more can standardization.
Please refer to Fig. 1 is the stereogram of an existing sewing thread feeding means; Consist predominantly of: a sewing thread winding bar 11 ', fixedly pinch roller 12 ', a motor 13 ', moves pinch roller 14 ', an and cramping bar 15 '; Wherein, This motor 13 ' is arranged at this fixedly in the pinch roller 12 ', and can drive fixedly that pinch roller 12 ' rotates, and whether this cramping bar 15 ' can be controlled this and move pinch roller 14 ' and press and touch fixedly pinch roller 12 '; Sewing thread is wrapped on this sewing thread winding bar 11 '; Passing fixedly, pinch roller 12 ' reaches between the mobile pinch roller 14 '; Again through fixedly pinch roller 12 ' and mobile pinch roller 14 ' are clamped the back rotation; The tension force of the controlled produced sewing thread of action that it is clamped makes sewing thread be able to be fed to the sewing end of Sewing machines and rotate.
Yet this existing sewing thread feeding means has following inconvenience in the use:
(1) tension force of sewing thread and transfer rate can't be controlled respectively:
When fixedly pinch roller 12 ' and mobile pinch roller 14 ' velocity of rotation were slow, the tension force of sewing thread can improve, and transfer rate is slack-off; When fixedly pinch roller 12 ' and mobile pinch roller 14 ' velocity of rotation were fast, the tension force of sewing thread can descend, and transfer rate will accelerate; Therefore, existing sewing thread feeding means can't kept under certain tension state; Increase operating speed, so, had influence on the quality of efficiency of operation and product.
(2) motor and fixedly the pinch roller dismounting be difficult for:
Because motor 13 ' is installed in fixedly in the pinch roller 12 ', when needs are changed motor 13 ', need fixedly pinch roller 12 ' of dismounting simultaneously, can change, causing to maintain in the operation has the inconvenience part.
Therefore,, all have shortcoming,, develop a kind of feeding means of controlling transfer rate and stitch tension of the utility model finally so the designer of this case does one's utmost research and development with not enough because above-mentioned being somebody's turn to do has the sewing thread feeding means now.
The utility model content
First purpose of the utility model; Be to provide a kind of feeding means of controlling transfer rate and stitch tension; Can control speed and tension force thereof that sewing thread transmits respectively, avoid changing transfer rate and can change its tension force simultaneously, and then influence the quality of efficiency of operation and product.
Second purpose of the utility model is to provide a kind of feeding means of controlling transfer rate and stitch tension, and its element of dismounting is convenient for changing easily.
In order to reach the purpose of the utility model; The designer designs a kind of feeding means of controlling transfer rate and stitch tension; Comprise: a groups of holders, form by a plurality of support, and have a stiff end, one first end and one second end; Wherein, this stiff end can make the sewing thread feeding means be fixed in arbitrary plane; One transmission group is arranged at this first end, and has one first motor and line winding wheel, and wherein, this first motor can drive this line and twine the wheel rotation; One substrate is arranged at this second end, and has one first and one second; One Tension Control group; Have one second motor, one first pinch roller, one second pinch roller, one first guide wheel, reach one second guide wheel; Wherein, this first pinch roller, this second pinch roller, this first guide wheel, and this second guide wheel be arranged at this second, and this second motor is arranged at this first; Pass through this substrate and be connected, and can drive the rotation of second pinch roller with second pinch roller; One cramping control group is connected with first pinch roller, and has a rocking arm, can manually shake this rocking arm, whether presses second pinch roller to control first pinch roller.
Described Tension Control group also has a plurality of propelling sheaves, is arranged in this first guide wheel and this second guide wheel, and is used to guide the transmission of this sewing thread.
Described cramping control group also includes: one first swing arm, be arranged at this second, and the one of which end is connected with this first pinch roller; One axostylus axostyle is arranged in this substrate, and the one of which end is connected with an end of this first swing arm with respect to first pinch roller; One second swing arm is arranged at this first, and the one of which end is connected with an end of this axostylus axostyle with respect to first swing arm; One projection is arranged at this first, and is connected with this rocking arm, when shaking rocking arm, drives this projection rotation, makes projection promote this second swing arm swing; And a flexible member, be arranged at this first, and be connected with an end of second swing arm with respect to axostylus axostyle.
Above-mentioned complete and clearly disclose the transfer rate controlled of the utility model and the feeding means of stitch tension; And; From the above; Compared to existing sewing thread feeding means, can find that the transfer rate controlled of the utility model and the feeding means of stitch tension have following advantage:
1. can control the tension force and the transfer rate of sewing thread respectively:
Owing to the utlity model has first motor and second motor, can control the transfer rate and the tension force of sewing thread respectively, avoid changing transfer rate and can change its tension force simultaneously, and can improve the quality of efficiency of operation and product.
2. element replacement is convenient:
The utility model element distinctly is provided with, and is separately positioned on two sides of substrate like second motor and second pinch roller, makes element better convenience in dismounting, the operation of being more convenient for maintaining.
Above-mentioned explanation only is the general introduction of the utility model technical scheme, in order more to know the technological means of understanding the utility model, and can implement according to the content of specification, below with the preferred embodiment of the utility model and conjunction with figs. specify as after.
Description of drawings
The stereogram of the existing sewing thread feeding means of Fig. 1;
The exploded view of the transfer rate controlled of Fig. 2 the utility model and the feeding means of stitch tension;
The side view of the transfer rate controlled of Fig. 3 the utility model and the feeding means of stitch tension;
The electric control gear calcspar of the transfer rate controlled of Fig. 4 the utility model and the feeding means of stitch tension;
First pinch roller of the transfer rate controlled of Fig. 5 A the utility model and the feeding means of stitch tension is not pressed when touching second pinch roller second sketch map;
First pinch roller of the transfer rate controlled of Fig. 5 B the utility model and the feeding means of stitch tension is not pressed when touching second pinch roller first sketch map;
Second sketch map when first pinch roller pressure of the transfer rate controlled of Fig. 6 A the utility model and the feeding means of stitch tension is touched second pinch roller;
First sketch map when first pinch roller pressure of the transfer rate controlled of Fig. 6 B the utility model and the feeding means of stitch tension is touched second pinch roller; And
The sketch map of the monitoring stitch tension of the transfer rate controlled of Fig. 7 the utility model and the feeding means of stitch tension.
1: the feeding means that can control transfer rate and stitch tension
11: groups of holders
11 ': the sewing thread winding bar
111: support
112: stiff end
113: the first ends
114: the second ends
12: the transmission group
12 ': fixing pinch roller
121: the first motors
122: line twines wheel
1221: twine frame
1222: side plate
13: substrate
13 ': motor
131: the first
132: the second
14: the Tension Control group
14 ': move pinch roller
141: the second motors
142: the first pinch rollers
143: the second pinch rollers
144: the first guide wheels
145: the second guide wheels
146: propelling sheave
147: guiding carrier
15: cramping control group
15 ': the cramping bar
151: rocking arm
Swing arm in 152: the first
153: axostylus axostyle
Swing arm in 154: the second
155: projection
156: flexible member
16: rotational speed governor
17: tension monitor
2: Sewing machines
L: sewing thread
T: the tension force of sewing thread
The specific embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined utility model purpose is taked, below in conjunction with accompanying drawing and preferred embodiment, to the specific embodiment of the utility model specify as after.
Please refer to Fig. 2 and Fig. 3, the side view of the transfer rate controlled of the exploded view of the feeding means of transfer rate controlled of the utility model and stitch tension, and the utility model respectively and the feeding means of stitch tension; Wherein, A kind of feeding means 1 of controlling transfer rate and stitch tension can transmit sewing thread to a Sewing machines 2, mainly includes: a groups of holders 11; Form by 111 on a plurality of supports; And have a stiff end 112, one first end 113 and one second end 114, wherein, this stiff end 112 can make the feeding means 1 of control transfer rate and stitch tension be fixed in arbitrary plane; One transmission group 12 is arranged at this first end 113, and has one first motor 121 and line winding wheel 122, and wherein, this first motor 121 can drive this line and twine wheel 122 rotations; One substrate 13 is arranged at this second end 114, and has one first 131 and 1 second 132; One Tension Control group 14; Have one second motor 141, one first pinch roller 142, one second pinch roller 143, one first guide wheel 144, and one second guide wheel 145; Wherein, this first pinch roller 142, this second pinch roller 143, this first guide wheel 144, and this second guide wheel 145 be arranged at this second 132, and this second motor 141 is arranged at this first 131; Pass through this substrate 13 and be connected, and can drive 143 rotations of second pinch roller with second pinch roller 143; One cramping control group 15 is connected with first pinch roller 142, and has a rocking arm 151, can manually shake this rocking arm 151, whether presses second pinch roller 143 to control first pinch roller 142.
Please continue with reference to figure 2, the utility model can comprise that thinner portion element is following, and wherein, this line twines wheel 122 and comprises a plurality of winding framves 1221 and two side plates 1222, and these a plurality of winding framves 1221 are arranged between this two side plate 1222; And this second guide wheel 145 is connected with this substrate 13 via a guiding carrier 147, and this guiding carrier 147 has a turning joint, can adjust guiding carrier 147 angle of bend on demand.
Please refer to Fig. 4, the electric control gear calcspar of the feeding means of transfer rate controlled of the utility model and stitch tension, the utility model is in order to design a loop circuit; With the tension force of monitoring sewing thread, and according to the difference of tension force, and the rotating speed of adjustment motor; Wherein, the utility model also comprises a rotational speed governor 16, can control the rotating speed of this first motor 121 and this second motor 141; One tension monitor 17 can be monitored the tension force T of sewing thread; This tension monitor 17 converts the tension force T of measured sewing thread into a tension value, is resent to this rotational speed governor 16; And rotational speed governor 16 1 man-machine interfaces; Can show rotating speed, and the tension force T of sewing thread of rotating speed, second motor 141 of present first motor 121, the user can comply with own demand, adjusts the tension force T of sewing thread through rotational speed governor 16; Rotational speed governor 16 changes the rotating speed of first motor 121 and second motor 141 again, uses the tension force T that changes sewing thread.
Below introduce the mode of the utility model control stitch tension; Please refer to Fig. 5 A and Fig. 5 B; First pinch roller of the feeding means of transfer rate controlled of the utility model and stitch tension is not pressed when touching second pinch roller second sketch map respectively; And first pinch roller of the feeding means of the transfer rate controlled of the utility model and stitch tension do not press when touching second pinch roller first sketch map, and wherein, main element has: one first swing arm 152; Be arranged at this second 132, the one of which end is connected with this first pinch roller 142; One axostylus axostyle 153 is arranged in this substrate 13, and the one of which end is connected with an end of this first swing arm 152 with respect to first pinch roller 142; One second swing arm 154 is arranged at this first 131, and the one of which end is connected with an end of this axostylus axostyle 153 with respect to first swing arm 152; One projection 155 is arranged at this first 131, and is connected with this rocking arm 151, when shaking rocking arm 151, drives this projection 155 rotations, makes projection 155 promote this second swing arm, 154 swings; And a flexible member 156, be arranged at this first 131, and be connected with an end of second swing arm 154 with respect to axostylus axostyle 153.At this moment, between first pinch roller 142 and second pinch roller 143, form a space, conveniently sewing thread is placed between first pinch roller 142 and second pinch roller 143, shown in sewing thread L among the figure.
After sewing thread has been placed between first pinch roller 142 and second pinch roller 143; Manually shake rocking arm 151, first pinch roller 142 is pressed touch, please refer to Fig. 6 A and Fig. 6 B in second pinch roller 143; Second sketch map when first pinch roller of the feeding means of transfer rate controlled of the utility model and stitch tension pressure is touched second pinch roller respectively; And first pinch roller of the feeding means of the transfer rate controlled of the improvement of the utility model and stitch tension presses when touching second pinch roller first sketch map, wherein, shakes rocking arm 151 and can drive entire mechanism; Making first pinch roller 142 is that rotate in the center of circle with axostylus axostyle 153 centers; Pressure is touched in second pinch roller 143, to clamp sewing thread, shown in sewing thread L among the figure.
Again with reference to figure 7, the sketch map of the monitoring stitch tension of the feeding means of transfer rate controlled of the utility model and stitch tension, and simultaneously with reference to figure 3 and Fig. 4, wherein; Sewing thread is sandwiched between first pinch roller 142 and second pinch roller 143, makes sewing thread since between first pinch roller 142 and second pinch roller 143, through first guide wheel 144 and second guide wheel 145, to producing a tension force between the Sewing machines you; And the utility model utilizes this tension monitor 17, monitors the tension force T of sewing thread, and converts a tension value into; And the rotating speed of first motor 121 and second motor 141 is controlled or allocated to 16 of this rotational speed governors, for example according to this tension value; When tension value is too small, can slow down the rotating speed of second motor 141, to improve tension value; And when tension value is excessive, can increase the rotating speed of second motor 141, to reduce tension value; The utility model makes sewing thread be able to uniform sewing clothes, and lets product that better quality is arranged through the control of tension value; In addition, can see also in the drawings that Tension Control group 14 also has two propelling sheaves 146, be arranged in first guide wheel 144 and second guide wheel 145 respectively, and be used to guide the transmission of sewing thread, reduce the frictional force that sewing thread produces in transport process.
The above; It only is the preferred embodiment of the utility model; Not being that the utility model is done any pro forma restriction, though the utility model with the preferred embodiment exposure as above, yet is not in order to limit the utility model; Anyly be familiar with the professional and technical personnel; In not breaking away from the utility model technical scheme scope, make a little change or be modified to the equivalent embodiment of equivalent variations when the technology contents of above-mentioned announcement capable of using, be the content that does not break away from the utility model technical scheme in every case;, all still belong in the scope of the utility model technical scheme any simple modification, equivalent variations and modification that above embodiment did according to the technical spirit of the utility model.
Claims (6)
1. the feeding means that can control transfer rate and stitch tension is used to transmit sewing thread to a Sewing machines, it is characterized in that comprising:
One groups of holders is made up of a plurality of support, and has a stiff end, one first end and one second end, and wherein, this stiff end makes this can control transfer rate and the sewing thread feeding means is fixed in arbitrary plane;
One transmission group is arranged at this first end, and has one first motor and line winding wheel, and wherein, this first motor can drive this line and twine the wheel rotation;
One substrate is arranged at this second end, and has one first and one second;
One Tension Control group; Have one second motor, one first pinch roller, one second pinch roller, one first guide wheel, reach one second guide wheel; Wherein, this first pinch roller, this second pinch roller, this first guide wheel, and this second guide wheel be arranged at this second, and this second motor is arranged at this first; Pass through this substrate and be connected, and can drive the rotation of second pinch roller with second pinch roller;
One cramping control group is connected with first pinch roller, and has a rocking arm, can manually shake this rocking arm, whether presses second pinch roller to control first pinch roller; And
One rotational speed governor can be controlled the rotating speed of this first motor and this second motor.
2. the feeding means of controlling transfer rate and stitch tension according to claim 1 is characterized in that described cramping control group also includes:
One first swing arm is arranged at this second, and the one of which end is connected with this first pinch roller;
One axostylus axostyle is arranged in this substrate, and the one of which end is connected with an end of this first swing arm with respect to first pinch roller;
One second swing arm is arranged at this first, and the one of which end is connected with an end of this axostylus axostyle with respect to first swing arm;
One projection is arranged at this first, and is connected with this rocking arm, when shaking rocking arm, drives this projection rotation, makes projection promote this second swing arm swing; And
One flexible member is arranged at this first, and is connected with an end of second swing arm with respect to axostylus axostyle.
3. the feeding means of controlling transfer rate and stitch tension according to claim 1; It is characterized in that described sewing thread feeding means also comprises a tension monitor; Can monitor the tension force of this sewing thread; And converting a tension value into, the rotating speed of this first motor and this second motor is controlled and allocated to this rotational speed governor then according to this tension value.
4. the feeding means of controlling transfer rate and stitch tension according to claim 1 is characterized in that described Tension Control group also has a plurality of propelling sheaves, is arranged in this first guide wheel and this second guide wheel, and is used to guide the transmission of this sewing thread.
5. the feeding means of controlling transfer rate and stitch tension according to claim 1 is characterized in that described line twines wheel and comprises a plurality of winding framves and two side plates, and these a plurality of windings are set up and placed between this two side plate.
6. the feeding means of controlling transfer rate and stitch tension according to claim 1; It is characterized in that described second guide wheel is connected with this substrate via a guiding carrier; And this guiding carrier has a turning joint, can adjust the guiding carrier angle of bend on demand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201881982U CN202164439U (en) | 2011-06-07 | 2011-06-07 | Feed device capable of controlling delivery speed and tension of sewing thread |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201881982U CN202164439U (en) | 2011-06-07 | 2011-06-07 | Feed device capable of controlling delivery speed and tension of sewing thread |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202164439U true CN202164439U (en) | 2012-03-14 |
Family
ID=45800278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201881982U Expired - Fee Related CN202164439U (en) | 2011-06-07 | 2011-06-07 | Feed device capable of controlling delivery speed and tension of sewing thread |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202164439U (en) |
-
2011
- 2011-06-07 CN CN2011201881982U patent/CN202164439U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20130607 |