CN201343629Y - A compound feed chain swing machine - Google Patents
A compound feed chain swing machine Download PDFInfo
- Publication number
- CN201343629Y CN201343629Y CNU2009200665796U CN200920066579U CN201343629Y CN 201343629 Y CN201343629 Y CN 201343629Y CN U2009200665796 U CNU2009200665796 U CN U2009200665796U CN 200920066579 U CN200920066579 U CN 200920066579U CN 201343629 Y CN201343629 Y CN 201343629Y
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- crank
- feeding
- presser feet
- connecting rod
- axle
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000009958 sewing Methods 0.000 claims abstract description 30
- 230000001360 synchronised effect Effects 0.000 claims abstract description 8
- 230000009471 action Effects 0.000 claims description 18
- 239000004744 fabric Substances 0.000 claims description 12
- 239000010985 leather Substances 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract 2
- 238000010415 tidying Methods 0.000 abstract 1
- 210000002683 foot Anatomy 0.000 description 64
- 239000011435 rock Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 240000008530 Rosa canina Species 0.000 description 1
- 235000000539 Rosa canina Nutrition 0.000 description 1
- 235000010337 Rosa dumalis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model discloses a compound feed chain swing machine, which comprises a feed dog feeding mechanism, characterized in also including a feed presser foot feeding mechanism that feeds synchronous with the feed dog feeding mechanism. The utility model adopts compound feeding mode, namely employing the feed dog feeding mechanism and the feed presser foot feeding mechanism to feed at the same time with feeding strong and steady; and no relative displacement between materials. Stitch is beautiful, quality of sewn products is guarantied, and percent of pass of products is improved. Compared with a drop feed sewing machine, except for clothing underwear and bedclothes, the utility model also suitable for coped joint and tidying of leather products with thicker feeding material and broader application field.
Description
Technical field
The utility model relates to a kind of compound feeding chain type Sewing machines, belongs to the technical field of Sewing machines.
Background technology
The feeding style of existing chain type Sewing machines mainly relies on the feed dog feeding for following feeding style.Be characterized in the firm and high resilience of stitching.This feeding style is applicable to the clothes underwear, the overlapping the slot of bedding and leather and fur products, ornamental seam etc.
The following feeding style of existing chain type Sewing machines is the mode of feed dog feeding, its feeding process is: as Fig. 1, the rotation of last axle 1 changes rotation into connecting rod 3 move up and down by cam 2 on the one hand, make feed lifting rock shaft 5 do the swing of certain angle by crank 4 again, with lift crank 6 that last item 5 is connected also along with feed lifting rock shaft 5 is made wobbling action, the connecting rod 7 that is connected with crank 6 is at the drive lower swing of crank 6, connecting rod 7 drives connected retainer 8 around axle 10 swings, retainer 8 is provided with feed dog 11, and swinging up and down of retainer 8 makes feed dog 11 pump.The rotation of last axle 1 changes rotation into connecting rod 14 move up and down by cam 13 on the other hand, connecting rod 14 drives coupled axle 16 and does the circular arc reciprocating motion around axle 15, at this moment, the connecting rod 17 that links to each other with axle 16 makes crank 18 rotate under the effect of axle 16, do the swing of certain angle (swinging up and down) and crank 18 drives cloth pushing shaft 19, the cloth pushing shaft 19 that swings up and down drives retainer 8 again by crank 9 and makes front-rear reciprocation movement.By said mechanism, pumping of feed dog 11 and synthesizing of front-rear reciprocation movement have just formed the movement locus of feed dog 11, finish the feeding action of feed dog 11.
Its movement relation is: eedle is during from minimum rising certain height, looper 12 colludes the line action from right to left, when eedle leaves sewing, feed dog 11 lifts, also motion feeding backward on the needle plate face of Sewing machines, when eedle dropped to certain position, feed dog 11 dropped to below the needle plate face, and reset forward, finish a feeding action.
The following feeding style existing problems of above-mentioned chain type Sewing machines are: when sewing is blocked up, can produce the smooth phenomenon of feeding, and stitching instability consequently, even more serious is that sewing can produce offset phenomena up and down, thereby causes the defect ware of seam thing.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of compound feeding chain type Sewing machines, with solve the existing existing feeding of chain type Sewing machines smooth phenomenon, stitching instability, sewing can produce the problem of displacement up and down.This utility model is applicable to the clothes underwear, the overlapping the slot of bedding and leather and fur products, ornamental seam etc., but feeding thickness is thicker.
The technical problem of the required solution of the utility model can be achieved through the following technical solutions:
A kind of compound feeding chain type Sewing machines comprises the feed dog feed mechanism, it is characterized in that, also includes the feeding presser feet feed mechanism with the synchronous feeding of described feed dog feed mechanism.
Described feeding presser feet feed mechanism comprises:
The crank I that is connected with cloth pushing shaft in the feed dog feed mechanism, this crank I drives reciprocating by cloth pushing shaft;
One connecting rod I, the end of this connecting rod I is connected with crank I, other end connecting crank II, crank I drives crank II by connecting rod I and moves back and forth synchronously;
One pressure foot lifting axle, this pressure foot lifting axle is connected with crank II, is driven the swing of making certain angle by crank II;
One crank III, this crank III is arranged on the pressure foot lifting axle, is driven by the pressure foot lifting axle and swings with the swing of pressure foot lifting axle;
One lever, this lever are placed on the I, and an end of lever is connected with described crank III, drive the swing around described axle I by described crank III;
One presser feet frame, this presser feet frame is connected with the other end of described lever, follows the swing of lever and swing by this lever drives;
One feeding presser feet, this feeding presser feet are connected on the described presser feet frame, drive synchronous swing by the presser feet frame of swing;
With the cam that axle is connected of going up in the feed dog feed mechanism, this cam is driven and is rotated by last axle;
One connecting rod II, the end of this connecting rod II is connected with cam, and the other end connects a crank IV, and cam drives crank IV by connecting rod II and makes wobbling action;
An II, this II one end connecting crank IV, other end connecting crank V, crank IV drives crank V by axle II and makes synchronous wobbling action;
One connecting rod III, the end of this connecting rod III is connected with described crank V, is driven by crank V and makes front-rear reciprocation movement;
One tripod, first of this tripod is connected with described presser feet frame by an III, and tripod can be around described axle III front and back rotation; Second of described tripod is connected with described connecting rod III, compressor arm in the thirdly connection one of described tripod;
Interior presser feet in being installed on the compressor arm.
The feeding track of feeding presser feet is in the above-mentioned feeding presser feet feed mechanism: when connecting rod III swung backward, feeding this moment presser feet bumped feed dog, and tripod rotates backward around axle III, and at this moment tripod thirdly moves downward by presser feet in the interior compressor arm drive.When interior presser feet touched needle plate, tripod began to rotate forward around axle III, drove the feeding presser feet by axle III and presser feet frame and upwards mentioned.Otherwise when connecting rod III swung forward, then the feeding presser feet moved downward, and interior presser feet is upwards mentioned.Like this feeding presser feet move up and down and seesaw synthetic, formed the feeding track of feeding presser feet.
The feeding style of the compound feeding chain type of the utility model Sewing machines is feed dog feed mechanism and the feeding simultaneously of feeding presser feet feed mechanism, its way is on the basis of existing chain type Sewing machines, increase feeding presser feet feed mechanism, the movement relation of its feed dog and feeding presser feet is: when the eedle of Sewing machines during from minimum rising certain height, the looper of Sewing machines colludes the line action from right to left, when eedle leaves sewing, feed dog lifts on the needle plate face and motion feeding backward, when eedle drops to certain position, feed dog drops to below the needle plate face, and reset forward, finish a feeding action.When feed dog rose, the feeding presser feet then fell with feed dog feeding backward, and when feed dog falls and when travelling forward, the feeding presser feet also lifts and travels forward, and finished a feeding action.
The beneficial effects of the utility model:
1, adopt the mode feeding of compound feeding, promptly adopt the feeding simultaneously of feed dog feed mechanism and feeding presser feet feed mechanism, feeding is powerful, stable, can not produce relative displacement between the sewing, stitching is attractive in appearance beautiful, guarantees the quality of sewings, has improved the qualification rate of product.
2, with respect to following feed sewing machine, except being applicable to the clothes underwear, bedding also can be used for the overlapping the slot, ornamental seam of leather and fur products etc., but feeding thickness are thicker, has widened Application Areas.
Description of drawings
Further specify the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is the schematic diagram of mechanism of existing chain type Sewing machines.
Fig. 2 is the schematic diagram of mechanism of the presser feet feeding part of the utility model increase.
Fig. 3 is the schematic diagram of mechanism of the utility model feed mechanism.
The drawing explanation:
The specific embodiment
In order to make technological means of the present utility model, creation characteristic, to reach purpose and effect is easy to understand,, further set forth the utility model below in conjunction with concrete diagram.
A kind of compound feeding chain type Sewing machines comprises the feed dog feed mechanism, also comprises and the synergistic feeding presser feet of feed dog feed mechanism feed mechanism.
As shown in Figure 1, the feed dog feed mechanism comprises axle 1, on last axle 1, cam 2 and cam 13 are installed, the rotation of last axle 1 changes rotation into moving up and down of the connecting rod 3 that is connected with cam 2 by cam 2 on the one hand, make the feed lifting rock shaft 5 that is connected with crank 4 do the swing of certain angle by the crank 4 that is connected with connecting rod 3 again, with lift crank 6 that last item 5 is connected also along with feed lifting rock shaft 5 is made wobbling action, the connecting rod 7 that is connected with crank 6 is at the drive lower swing of crank 6, connecting rod 7 drives the retainer 8 that is connected with connecting rod 7 and swings around axle 10, retainer 8 is provided with feed dog 11, and swinging up and down of retainer 8 makes feed dog 11 pump.The rotation of last axle 1 changes rotation into moving up and down of the connecting rod 14 that is connected with cam 13 by cam 13 on the other hand, connecting rod 14 drives coupled axle 16 and does the circular arc reciprocating motion around axle 15, at this moment, the connecting rod 17 that links to each other with axle 16 makes the crank 18 that is connected with connecting rod 17 rotate under the effect of axle 16, and crank 18 drives the swing (swinging up and down) that the cloth pushing shaft 19 that is connected with crank 18 is made certain angle, and the cloth pushing shaft 19 that swings up and down drives retainer 8 again by the crank 9 that is connected with cloth pushing shaft 19 and makes front-rear reciprocation movement.By said mechanism, pumping of feed dog 11 and synthesizing of front-rear reciprocation movement have just formed the movement locus of feed dog 11, finish the feeding action of feed dog 11.
As Fig. 3, feeding presser feet feed mechanism comprises the crank I20 that is connected with cloth pushing shaft 19 in the feed dog feed mechanism, and this crank I20 drives reciprocating by cloth pushing shaft 19; Reciprocating crank I20 drives the crank II22 be connected with connecting rod I21 and moves back and forth synchronously by be connected connecting rod I21 with crank I20; Crank II22 drives the swing that the pressure foot lifting axle 23 that is connected with crank II22 is made certain angle; The pressure foot lifting axle 23 of swing drives the crank III24 swing that is connected with pressure foot lifting axle 23 again.Lever 25 is enclosed within on the I26, and an end of lever 25 is connected with crank III24, is driven by crank III24 and swings around axle I26; The other end of lever 25 connects a presser feet frame 27, when lever 25 is swung like this, will drive presser feet frame 27 and follow lever 25 swings.Feeding presser feet 28 is installed on the presser feet frame 27, and when 27 swings of presser feet frame, feeding presser feet 28 is swing synchronously also.
Also be connected with a cam 29 on the axle 1 in the feed dog feed mechanism, the another aspect of rotation of last axle 1 drives the connecting rod II30 motion that is connected with cam 29 by cam 29, and connecting rod II30 drives the wobbling action that the crank IV31 that is connected with connecting rod II30 makes certain angle again; Crank IV31 drives the wobbling action that the crank V33 that is connected with axle II32 makes certain angle by the axle II32 that is connected with crank IV31; The end of connecting rod III34 is connected with crank V33, and the other end connects second point of tripod 35, and first of tripod 35 is connected with presser feet frame 27 by an III37, and tripod 35 can be around the rotation of axle III37 front and back; Compressor arm 38 in thirdly 36 connections one of tripod 35, presser feet 39 in being equipped with on the interior compressor arm 38.
As Fig. 2, the process of feeding presser feet feeding is: when connecting rod III34 swings backward, feeding this moment presser feet 28 bumps feed dog 11, tripod 35 rotates backward around axle III37, presser feet 39 moved downward in this time point 36 drove by interior compressor arm 38, when interior presser feet 39 touched the needle plate face, tripod 35 began the rotation around point 36, drove feeding presser feet 28 by axle III37 and upwards mentioned.
Otherwise when connecting rod III34 travelled forward, then feeding presser feet 28 moved downward, and interior presser feet 39 is upwards mentioned.Feeding presser feet 28 and pumping that interior presser feet 39 carries out replacing.
Feeding presser feet 28 move up and down and seesaw synthetic, formed the feeding track of feeding presser feet 28.
The pass that is synchronized with the movement of feed dog feed mechanism and feeding presser feet feed mechanism is: as shown in Figure 3, when the eedle of Sewing machines during from minimum rising certain height, the looper 12 of Sewing machines colludes the line action from right to left, when eedle leaves sewing, feed dog 11 lifts on the needle plate face and motion feeding backward, and when eedle dropped to certain position, feed dog 11 dropped to below the needle plate face, and reset forward, finish a feeding action.When feed dog 11 rose, 28 of feeding presser feets fell with feed dog 11 feeding backward, and when feed dog 11 falls and when travelling forward, feeding presser feet 28 also lifts and travels forward, and finishes a feeding action.
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1, a kind of compound feeding chain type Sewing machines comprises the feed dog feed mechanism, it is characterized in that, also includes the feeding presser feet feed mechanism with the synchronous feeding of described feed dog feed mechanism.
2, compound feeding chain type Sewing machines as claimed in claim 1 is characterized in that, described feeding presser feet feed mechanism comprises:
The crank I that is connected with cloth pushing shaft in the feed dog feed mechanism, this crank I drives reciprocating by cloth pushing shaft;
One connecting rod I, the end of this connecting rod I is connected with crank I, other end connecting crank II, crank I drives crank II by connecting rod I and moves back and forth synchronously;
One pressure foot lifting axle, this pressure foot lifting axle is connected with crank II, is driven the swing of making certain angle by crank II;
One crank III, this crank III is arranged on the pressure foot lifting axle, is driven by the pressure foot lifting axle and swings with the swing of pressure foot lifting axle;
One lever, this lever are placed on the I, and an end of lever is connected with described crank III, drive the swing around described axle I by described crank III;
One presser feet frame, this presser feet frame is connected with the other end of described lever, follows the swing of lever and swing by this lever drives;
One feeding presser feet, this feeding presser feet are connected on the described presser feet frame, drive synchronous swing by the presser feet frame of swing;
With the cam that axle is connected of going up in the feed dog feed mechanism, this cam is driven and is rotated by last axle;
One connecting rod II, the end of this connecting rod II is connected with cam, and the other end connects a crank IV, and cam drives crank IV by connecting rod II and makes wobbling action;
An II, this II one end connecting crank IV, other end connecting crank V, crank IV drives crank V by axle II and makes synchronous wobbling action;
One connecting rod III, the end of this connecting rod III is connected with described crank V, is driven by crank V and makes front-rear reciprocation movement;
One tripod, first of this tripod is connected with described presser feet frame by an III, and tripod can be around described axle III front and back rotation; Second of described tripod is connected with described connecting rod III, compressor arm in the thirdly connection one of described tripod;
Interior presser feet in being installed on the compressor arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200665796U CN201343629Y (en) | 2009-01-07 | 2009-01-07 | A compound feed chain swing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200665796U CN201343629Y (en) | 2009-01-07 | 2009-01-07 | A compound feed chain swing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201343629Y true CN201343629Y (en) | 2009-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200665796U Expired - Fee Related CN201343629Y (en) | 2009-01-07 | 2009-01-07 | A compound feed chain swing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201343629Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103361894A (en) * | 2013-06-25 | 2013-10-23 | 吴江市喜力机械厂 | Lower feeding mechanism |
| EP3073005A1 (en) * | 2015-03-27 | 2016-09-28 | Janome Sewing Machine Co., Ltd. | Sewing machine having upper feed halting mechanism |
-
2009
- 2009-01-07 CN CNU2009200665796U patent/CN201343629Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103361894A (en) * | 2013-06-25 | 2013-10-23 | 吴江市喜力机械厂 | Lower feeding mechanism |
| CN103361894B (en) * | 2013-06-25 | 2015-05-06 | 吴江市喜力机械厂 | Lower feeding mechanism |
| EP3073005A1 (en) * | 2015-03-27 | 2016-09-28 | Janome Sewing Machine Co., Ltd. | Sewing machine having upper feed halting mechanism |
| US9834877B2 (en) | 2015-03-27 | 2017-12-05 | Janome Sewing Machine Co., Ltd. | Sewing machine having upper feed halting mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI BIAOZHUN HAILING SEWING MACHINERY CO., LT Free format text: FORMER NAME: SHANGHAI HUIGONG NO.3 SEWING MACHINE FACTORY, CHINA STANDARD SEWING MACHINE CO. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 201103 No. 1418, Xuhui District, Shanghai, Yishan Road Patentee after: SHANGHAI BIAOZHUN HAILING SEWING MACHINERY CO., LTD. Address before: 201103 No. 1418, Xuhui District, Shanghai, Yishan Road Patentee before: Shanghai Huigong No.3 Sewing Machine Factory, China Standard Sewing Machine Co. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091111 Termination date: 20170107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |