CN202705676U - Sewing machine head assembly capable of automatically tensioning rubber band - Google Patents
Sewing machine head assembly capable of automatically tensioning rubber band Download PDFInfo
- Publication number
- CN202705676U CN202705676U CN 201220336791 CN201220336791U CN202705676U CN 202705676 U CN202705676 U CN 202705676U CN 201220336791 CN201220336791 CN 201220336791 CN 201220336791 U CN201220336791 U CN 201220336791U CN 202705676 U CN202705676 U CN 202705676U
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- China
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- machine head
- sewing machine
- mandrel
- head assembly
- bracing frame
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- Expired - Fee Related
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Abstract
The utility mode discloses a sewing machine head assembly capable of automatically tensioning a rubber band. The sewing machine head assembly comprises a machine head and a bottom seat, the upper portion of the front side of the machine head is provided with a drive device A, and a drive device B is arranged inside the bottom seat. The sewing machine head assembly capable of automatically tensioning the rubber band is characterized in that a support frame A is arranged below the drive device A through an automatic lifting rod, the support frame A is provided with a conveying wheel A, and the conveying wheel A and the drive device A are connected in a transmission mode. The rear side of the bottom seat is provided with a frame-shaped support frame B, the middle of the support frame B is provided with a conveying wheel B which is arranged in a tangency mode and an adjustable pinch roller, and the conveying wheel B is connected with the drive device B through a crank rocker mechanism. The adjustable pinch roller is arranged on the support frame B through a core shaft C, the adjustable pinch roller and the core shaft C are connected in a rotating mode, and two ends of the core shaft C are provided with a spring fixing seat and a holddown spring. The problems that a traditional sewing machine head assembly can not automatically tension the rubber band, manual hand-tensioning is needed to work, the production efficiency is low, and processing quality is not ideal are solved. The sewing machine head assembly capable of automatically tensioning the rubber band is mainly used for sewing the rubber band for clothes.
Description
(i) technical field: the utility model relates to the sewing-machine equipment technical field, especially a kind of sewing machine head assembly of automatic tension elastic.
(ii) background technology: at present, clothes all needs the elastic tension when making elastic, if elastic is not strained, clothes has been made rear elastic and just can't have been played a role.Traditional head of sewing machine can't always be by the people is manual elastic is strained automatically by the elastic tension, so not only waste time and energy, and the clothes quality processed is also undesirable.Therefore, designing a kind of sewing machine head assembly that can the automatic tension elastic extremely is necessary.
(iii) summary of the invention: the purpose of this utility model be exactly to solve traditional sewing machine head assembly can't be automatically by the elastic tension, need the people to haul by hand that elastic carries out operation, production efficiency is lower and the problem such as crudy is undesirable, a kind of sewing machine head assembly of automatic tension elastic is provided.
Concrete scheme of the present utility model is: for traditional sewing machine head assembly, improved, it has head and base, before head, upper lateral part is equipped with drive unit A, be provided with drive unit B in base, it is characterized in that: described drive unit A below is equipped with bracing frame A by the automatic lifting bar, delivery wheel A is housed on bracing frame A, and delivery wheel A and drive unit A are in transmission connection; The base rear side is equipped with the bracing frame B of shaped as frame, and delivery wheel B and the pressure-adjustable bearing up pulley of tangent layout is housed in the middle of bracing frame B, between delivery wheel B and drive unit B, by crank and rocker mechanism, is connected; The pressure-adjustable bearing up pulley is arranged on bracing frame B by mandrel C, and pressure-adjustable bearing up pulley and mandrel C are for being rotationally connected, and the two ends of mandrel C are equipped with spring fixed seat and holddown spring.
The surperficial indentation of the A of delivery wheel described in the utility model, delivery wheel A is rotationally connected by mandrel A and bracing frame A, and a side and the drive unit A of mandrel A are in transmission connection.
It is upper that the B of delivery wheel described in the utility model is arranged on bracing frame B by mandrel B, between mandrel B and bracing frame B, be rotationally connected, and the left end of mandrel B stretches out bracing frame B.
Crank and rocker mechanism described in the utility model is comprised of driving wheel, connecting rod and rocking bar, and wherein driving wheel and drive unit B are in transmission connection, and rocking bar is fixedly connected with the left end of mandrel B, and rocking bar is connected by connecting rod with driving wheel.
Have chute described in the utility model on rocking bar, amount of feeding adjusting screw(rod) is housed in chute, amount of feeding adjusting screw(rod) is fixedly connected with connecting rod.
The utility model can the automatic tension elastic in the process of making elastic to clothes, does not need that the people is manual has improved production efficiency by the elastic tension, and elastic is made more attractive in appearancely, to enterprise, has brought huge economic benefit.
(iv) accompanying drawing explanation:
Fig. 1 is front view of the present utility model;
Fig. 2 is top view of the present utility model;
Fig. 3 is left view of the present utility model.
In figure: 1-base, 2-bracing frame B, 3-delivery wheel B, 4-mandrel B, the 5-rocking bar, 6-chute, 7-amount of feeding adjusting screw(rod), 8-mandrel A, 9-delivery wheel A, 10-bracing frame A, 11-automatic lifting bar, 12-drive unit A, the 13-head, 14-spring fixed seat, 15-holddown spring, 16-pressure-adjustable bearing up pulley, 17-mandrel C, 18-connecting rod, the 19-driving wheel, 20-drive unit B, 21-elastic.
(v) the specific embodiment:
Referring to Fig. 1,2,3, the utlity model has head 13 and base 1, the front upper lateral part of head 13 is equipped with drive unit A12, be provided with drive unit B20 in base 1, particularly: described drive unit A12 below is equipped with bracing frame A10 by automatic lifting bar 11, delivery wheel A9 is housed, the surperficial indentation of delivery wheel A9 on bracing frame A10, delivery wheel A9 is rotationally connected by mandrel A8 and bracing frame A10, and a side and the drive unit A12 of mandrel A8 are in transmission connection; Base 1 rear side is equipped with the bracing frame B2 of shaped as frame, and delivery wheel B3 and the pressure-adjustable bearing up pulley 16 of tangent layout is housed in the middle of bracing frame B2, between delivery wheel B3 and drive unit B20, by crank and rocker mechanism, is connected; Pressure-adjustable bearing up pulley 16 is arranged on bracing frame B2 by mandrel C17, and pressure-adjustable bearing up pulley 16 is with mandrel C17 for being rotationally connected, and the two ends of mandrel C17 are equipped with spring fixed seat 14 and holddown spring 15.
It is upper that the B3 of delivery wheel described in the present embodiment is arranged on bracing frame B2 by mandrel B4, between mandrel B4 and bracing frame B2, be rotationally connected, and the left end of mandrel B4 stretches out bracing frame B2.
Crank and rocker mechanism described in the present embodiment is comprised of driving wheel 19, connecting rod 18 and rocking bar 5, wherein driving wheel 19 is in transmission connection with drive unit B20, rocking bar 5 is fixedly connected with the left end of mandrel B4, have chute 6 on rocking bar 5, amount of feeding adjusting screw(rod) 7 is housed in chute 6, and amount of feeding adjusting screw(rod) 7 is fixedly connected with connecting rod 18.
Operation principle of the present utility model is: the utility model is contained on Sewing machines, at first, pulls open pressure-adjustable bearing up pulley 16, elastic 21 is passed between pressure-adjustable bearing up pulley 16 and delivery wheel B3; Then the position of the needs such as the front end of elastic 21 and clothes waist or cuff dress elastic 21 is stacked, step on the pedal of Sewing machines, by automatic lifting bar 11, bracing frame A10 is mentioned, allow elastic 21 and clothes take turns A9 through syringe needle, the pressing plate under syringe needle and the automatic transport of Sewing machines, elastic 21 and clothes are pushed down by pressing plate and automatic transport wheel A9; Finally open Sewing machines, elastic 21 moves forward under the effect of delivery wheel A9, in the process of making elastic 21, elastic 21 is pushed down by pressure-adjustable bearing up pulley 16, under the effect of crank and rocker mechanism, rocking bar 5 swings back and forth, elastic 21 is just made in clothes by a loosening and a tightening, elastic 21 elasticity of making like this are very good, material that can be by elastic 21 in the process of using and clothes to elastic 21 flexible requirement select the amount of feeding of elastic 21, the amount of feeding of elastic 21 is regulated by amount of feeding adjusting screw(rod) 7.
Claims (5)
1. the sewing machine head assembly of an automatic tension elastic, there is head and base, before head, upper lateral part is equipped with drive unit A, be provided with drive unit B in base, it is characterized in that: described drive unit A below is equipped with bracing frame A by the automatic lifting bar, delivery wheel A is housed on bracing frame A, and delivery wheel A and drive unit A are in transmission connection; The base rear side is equipped with the bracing frame B of shaped as frame, and delivery wheel B and the pressure-adjustable bearing up pulley of tangent layout is housed in the middle of bracing frame B, between delivery wheel B and drive unit B, by crank and rocker mechanism, is connected; The pressure-adjustable bearing up pulley is arranged on bracing frame B by mandrel C, and pressure-adjustable bearing up pulley and mandrel C are for being rotationally connected, and the two ends of mandrel C are equipped with spring fixed seat and holddown spring.
2. the sewing machine head assembly of a kind of automatic tension elastic according to claim 1 is characterized in that: the surperficial indentation of described delivery wheel A, and delivery wheel A is rotationally connected by mandrel A and bracing frame A, and a side and the drive unit A of mandrel A are in transmission connection.
3. the sewing machine head assembly of a kind of automatic tension elastic according to claim 1 is characterized in that: it is upper that described delivery wheel B is arranged on bracing frame B by mandrel B, between mandrel B and bracing frame B, be rotationally connected, and the left end of mandrel B stretches out bracing frame B.
4. the sewing machine head assembly of a kind of automatic tension elastic according to claim 1, it is characterized in that: described crank and rocker mechanism is comprised of driving wheel, connecting rod and rocking bar, wherein driving wheel and drive unit B are in transmission connection, rocking bar is fixedly connected with the left end of mandrel B, and rocking bar is connected by connecting rod with driving wheel.
5. the sewing machine head assembly of a kind of automatic tension elastic according to claim 4, it is characterized in that: have chute on described rocking bar, amount of feeding adjusting screw(rod) is housed in chute, amount of feeding adjusting screw(rod) is fixedly connected with connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220336791 CN202705676U (en) | 2012-07-12 | 2012-07-12 | Sewing machine head assembly capable of automatically tensioning rubber band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220336791 CN202705676U (en) | 2012-07-12 | 2012-07-12 | Sewing machine head assembly capable of automatically tensioning rubber band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202705676U true CN202705676U (en) | 2013-01-30 |
Family
ID=47585997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220336791 Expired - Fee Related CN202705676U (en) | 2012-07-12 | 2012-07-12 | Sewing machine head assembly capable of automatically tensioning rubber band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202705676U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109023730A (en) * | 2018-08-30 | 2018-12-18 | 苏州琼派瑞特电子科技有限公司 | A kind of fitted sheet machine |
-
2012
- 2012-07-12 CN CN 201220336791 patent/CN202705676U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109023730A (en) * | 2018-08-30 | 2018-12-18 | 苏州琼派瑞特电子科技有限公司 | A kind of fitted sheet machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20150712 |
|
| EXPY | Termination of patent right or utility model |