CN201770846U - Upright post compound feed flat sewing machine - Google Patents
Upright post compound feed flat sewing machine Download PDFInfo
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- CN201770846U CN201770846U CN2010202083612U CN201020208361U CN201770846U CN 201770846 U CN201770846 U CN 201770846U CN 2010202083612 U CN2010202083612 U CN 2010202083612U CN 201020208361 U CN201020208361 U CN 201020208361U CN 201770846 U CN201770846 U CN 201770846U
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Abstract
A upright post compound feed flat sewing machine comprises a frame, a feed dog feeding mechanism, and a presser foot feeding mechanism for synchronous feeding together with the feed dog feeding mechanism. The feed dog of the feed dog feeding mechanism is arranged on a column-type tooth frame bracket. The utility model adopts a compound feeding way, namely, the synchronous feeding way of the feed dog feeding mechanism and the presser foot feeding mechanism, so that the feeding is strong and stable, no slipping dislocation is caused by sewing materials, the stitches are attractive, the quality of the sew product is ensured, and the product qualification rate is improved. Compared with the bottom feed sewing machine, the upright post compound feed flat sewing machine is not only suitable for the lingerie and apparel and the bedclothes, but also suitable for the lap seams, the decorative seams and the like of the leatherware; moreover, the feeding is thickened, and the application field is widened.
Description
Technical field
The utility model relates to the technical field of Sewing machines, relates in particular to the compound feeding flat seam machine of a kind of column.
Background technology
Existing column flat seam machine be applicable to general cladding such as sport footwear, men and women's leather shoes, belt case and bag, cap, in the sewing of thick thing.Its advantage is: stitching is smooth, and is solid attractive in appearance, adopts feeding down, and thick in the seam, thin thing all can be freely smooth and easy.Shortcoming is: owing to be feeding down, when the thicker material of sewing, sewing can produce the slippage dislocation up and down, influences sewing quality.
The mode of the feed dog feeding of existing column flat seam machine is following feeding style, its feeding process is: as Fig. 1, last axle 1 rotates, drive tooth fork 3 by feed eccentric 2 and do wobbling action, tooth fork 3 is made wobbling action by needle gage connecting rod 4 cast-overs apart from the A point of regulating on the fork 5, at this moment, tooth fork 3 will be done and pump, tooth fork 3 drives the swing that cloth pushing shaft 7 is done certain angle by crank I 6, the wobbling action of cloth pushing shaft 7 can drive crank II 8 again around its swing, make retainer carriage 9 do front-rear reciprocation movement, retainer carriage 9 drives retainer 10 around slide block A11 center reciprocally swinging, does front-rear reciprocation movement thereby drive feed dog 12; Meanwhile, last axle 1 rotates, drive again by feed eccentric 2 and to lift tooth connecting rod 13 and do wobbling action, drive feed lifting rock shaft 15 by crank VII14 and do wobbling action, drive feed lifting rock shaft crank 16 and do wobbling action around feed lifting rock shaft 15, retainer carriage 10 pumps thereby retainer carriage 10 drive feed dogs 12 are done along slide block A11 along with the swing of feed lifting rock shaft crank 16 moves up and down; The front-rear reciprocation movement of feed dog 12 and the movement locus that has just formed feed dog 12 that combines that pumps, the feeding function of realization feed dog.
Its movement relation is: eedle is during from minimum rising certain height, looper colludes the line action from right to left, when eedle leaves sewing, feed dog 12 lifts, also motion feeding backward on the needle plate face of Sewing machines, when eedle dropped to certain position, feed dog 12 dropped to below the needle plate face, and reset forward, finish a feeding action.
The following feeding style existing problems of above-mentioned column flat seam machine 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 the slippage dislocation 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 column compound feeding flat seam machine, and feed mechanism of the prior art exists the not smooth phenomenon of feeding, stitching instability when making thick material, sewing can produce the problem of slippage dislocation up and down to solve.
The technical problem of the required solution of the utility model can be achieved through the following technical solutions:
The compound feeding flat seam machine of a kind of column, comprise frame and the feed dog feed mechanism that is arranged on the frame, the feed dog of described feed dog feed mechanism is arranged on the retainer carriage of a column, it is characterized in that, also include the presser feet feed mechanism with the synchronous feeding of described feed dog feed mechanism, described presser feet feed mechanism is arranged on the frame;
Described 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; Crank I is connected with the end of connecting rod I, and the other end of connecting rod I connects the end of rotating lever crank II, and the other end of lever crank II is connected with connecting rod II, and drivening rod II moves up and down synchronously; Connecting rod II is connected with a crank III, drives the swing that a pressure foot lifting axle is made certain angle by crank III; The end of crank IV is arranged on the pressure foot lifting axle, swing with the swing of pressure foot lifting axle by the drive of pressure foot lifting axle, the other end of crank IV is connected with a slide block, described slide block is arranged on rotating presser feet change crank one end, the other end of described presser feet change crank is connected with rotating presser feet connecting rod by connecting rod III, and presser feet is arranged on the lower end of presser feet connecting rod;
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; The end of connecting rod IV is connected with cam, and the other end is connected with crank V, drives crank V and makes wobbling action, crank V is connected with crank VI by minor axis, and drive crank VI and make wobbling action, the swinging end of crank VI is connected with connecting rod V, and drivening rod V makes fore-and-aft direction and moves; First of described connecting rod V and rotating tripod is connected, and second of tripod is connected with interior presser feet.
When the eedle of Sewing machines during from minimum rising certain height, presser feet is motion backward simultaneously downwards, cooperate therewith, feed dog is upwards motion backward simultaneously also, finishes the feeding action, otherwise, when eedle thorn material, interior presser feet moves downward pushes down sewing, and the feeding presser feet then upwards travels forward, feed dog travels forward downwards, prepares next feeding action.
The beneficial effects of the utility model:
1, the utility model adopts the mode feeding of compound feeding, promptly adopts the feeding simultaneously of feed dog feed mechanism and presser feet feed mechanism, and feeding is powerful, stable, can not produce the slippage dislocation 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.
The 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.
Description of drawings
Further specify the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is the existing schematic diagram of mechanism of feeding style down.
Fig. 2 is a feeding sketch of the present utility model.
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.
The compound feeding flat seam machine of a kind of column comprises frame and the feed dog feed mechanism that is arranged on the frame.
As shown in Figure 2, the feed dog feed mechanism comprises axle 1, last axle 1 rotates by feed eccentric 2 drive tooth forks 3 and does wobbling action, tooth fork 3 is made wobbling action by needle gage connecting rod 4 cast-overs apart from the A point of regulating on the fork 5, at this moment, tooth fork 3 will be done and pump, tooth fork 3 drives the swing that cloth pushing shaft 7 is done certain angle by crank I 6, the wobbling action of cloth pushing shaft 7 can drive crank II 8 again around its swing, make the retainer carriage 9 of column do front-rear reciprocation movement, retainer carriage 9 drives retainer 10 around slide block A11 center reciprocally swinging, does front-rear reciprocation movement thereby drive feed dog 12; Meanwhile, last axle 1 rotates to drive again by feed eccentric 2 and lifts tooth connecting rod 13 and do wobbling action, drive feed lifting rock shaft 15 by crank VII14 and do wobbling action, drive feed lifting rock shaft crank 16 around feed lifting rock shaft 15 wobbling actions, retainer carriage 10 is along with the swing of feed lifting rock shaft crank 16 moves up and down, thereby retainer carriage 10 drive feed dogs 12 are done along slide block A11 to pump, the front-rear reciprocation movement of feed dog with pump combined with regard to stroke the movement locus of feed dog, realize the feed dog feeding.This part structure is conventional the setting, is not described in detail in this.
In the utility model, also include presser feet feed mechanism with the synchronous feeding of feed dog feed mechanism.The presser feet feed mechanism is arranged on the frame, and referring to Fig. 2, the presser feet feed mechanism comprises:
The crank I 6 that is connected with cloth pushing shaft 7 in the feed dog feed mechanism, this crank I 6 drives reciprocating by cloth pushing shaft 7; Crank I 6 is connected with the end of connecting rod I 17, lever crank II 18 is arranged on the A19, and can rotate around this A19, the other end of connecting rod I 17 is connected the end of lever crank II 18, the other end of lever crank II 18 is connected with connecting rod II 20, and drivening rod II 20 moves up and down synchronously; The crank III21 that connecting rod II 20 and is arranged on the pressure foot lifting axle 22 is connected, and drives the swing that pressure foot lifting axle 22 is made certain angle; The end of crank IV23 is arranged at an end of pressure foot lifting axle 22, and crank IV23 is driven and swung with the swing of pressure foot lifting axle by pressure foot lifting axle 22, and the other end of crank IV23 (swinging end) is connected with a slide block B 37.This slide block B 37 is arranged on an end of a rotating presser feet change crank 24, presser feet change crank 24 is also done the swing of certain angle around the B point with slide block B 37, the other end of presser feet change crank 24 is connected with presser feet connecting rod 26 by connecting rod III25, the upper end of presser feet connecting rod 26 is connected with axle B28, and can rotate around this B28, presser feet 38 is fixedly installed on the lower end of presser feet connecting rod 26, and is corresponding with feed dog 12; 24 swings of presser feet change crank drive presser feet 38 and make front-rear reciprocation movement.
Also be connected with a cam 34 on the axle 1 in the feed dog feed mechanism, this cam 34 is driven and is rotated by last axle 1; The end of connecting rod IV33 is connected with cam 34, and the other end is connected with crank V39, and by cam 34 drivening rod IV33 motion, connecting rod IV33 drives the wobbling action that crank V 39 makes certain angle again on the one hand in the rotation of last axle 1; Crank V 39 is connected with crank VI31 by minor axis 32, and drive crank VI31 makes wobbling action; The swinging end of crank VI31 is connected with connecting rod V30, and drivening rod V30 does the fore-and-aft direction motion; Tripod 27 is set on axle B28, and this tripod 27 can rotate around this B28, first of connecting rod V30 and tripod 27 is connected, and second of tripod 27 is passed through interior compressor arm 29 and be connected with interior presser feet 40.
As Fig. 2, the process of presser feet feeding is: when connecting rod V30 swings backward, driving tripod 27 rotates around axle B28, this moment second of tripod 27 is to lower swing, compressor arm 29 and interior presser feet 40 move downward in driving, up to touching the needle plate face, at this moment, 38 of presser feets are upwards mentioned under the rotation of axle B28.Otherwise when connecting rod V30 swung backward, compressor arm 29 and interior presser feet 40 moved upward in driving, and at this moment, 38 of presser feets move downward under the rotation of axle B28.Presser feet 38 move up and down and seesaw synthetic, formed the feeding track of presser feet.
Being synchronized with the movement to close and being of feed dog feed mechanism and presser feet feed mechanism: when the eedle of Sewing machines during from minimum rising certain height, presser feet 38 is motion backward simultaneously downwards, cooperate therewith, feed dog 12 is upwards motion backward simultaneously also, finishes the feeding action, otherwise, when eedle thorn material, interior presser feet 40 moves downward pushes down sewing, and 38 of feeding presser feets upwards travel forward, feed dog 12 travels forward downwards, prepares next 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 (1)
1. compound feeding flat seam machine of column, comprise frame and the feed dog feed mechanism that is arranged on the frame, the feed dog of described feed dog feed mechanism is arranged on the retainer carriage of a column, it is characterized in that, also include the presser feet feed mechanism with the synchronous feeding of described feed dog feed mechanism, described presser feet feed mechanism is arranged on the frame;
Described 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; The crank I is connected with an end of connecting rod I, and the other end of connecting rod I connects an end of rotating lever crank II, and the other end of lever crank II is connected with the connecting rod II, and the drivening rod II moves up and down synchronously; The connecting rod II is connected with a crank III, drives the swing that a pressure foot lifting axle is made certain angle by the crank III; One end of crank IV is arranged on the pressure foot lifting axle, swing with the swing of pressure foot lifting axle by the drive of pressure foot lifting axle, the other end of crank IV is connected with a slide block, described slide block is arranged on rotating presser feet change crank one end, the other end of described presser feet change crank is connected with rotating presser feet connecting rod by the connecting rod III, and presser feet is arranged on the lower end of presser feet connecting rod;
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 end of connecting rod IV is connected with cam, and the other end is connected with the crank V, drives the crank V and makes wobbling action, crank V is connected with the crank VI by minor axis, and drive the crank VI and make wobbling action, the swinging end of crank VI is connected with the connecting rod V, and the drivening rod V is made fore-and-aft direction and is moved; First of described connecting rod V and rotating tripod is connected, and second of tripod is connected with interior presser feet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202083612U CN201770846U (en) | 2010-05-28 | 2010-05-28 | Upright post compound feed flat sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202083612U CN201770846U (en) | 2010-05-28 | 2010-05-28 | Upright post compound feed flat sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201770846U true CN201770846U (en) | 2011-03-23 |
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ID=43750687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202083612U Expired - Fee Related CN201770846U (en) | 2010-05-28 | 2010-05-28 | Upright post compound feed flat sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201770846U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104762762A (en) * | 2015-04-27 | 2015-07-08 | 新通宇缝纫机股份有限公司 | Presser foot height adjusting mechanism for sewing machine |
-
2010
- 2010-05-28 CN CN2010202083612U patent/CN201770846U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104762762A (en) * | 2015-04-27 | 2015-07-08 | 新通宇缝纫机股份有限公司 | Presser foot height adjusting mechanism for sewing machine |
| CN104762762B (en) * | 2015-04-27 | 2017-10-13 | 台州通宇服装机械科技有限公司 | A kind of height adjusting mechanism of presser foot of sewing machine |
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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: 20110323 Termination date: 20140528 |