CN203834151U - Automatic-feeding lockstitch sewing machine - Google Patents

Automatic-feeding lockstitch sewing machine Download PDF

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Publication number
CN203834151U
CN203834151U CN201420275336.4U CN201420275336U CN203834151U CN 203834151 U CN203834151 U CN 203834151U CN 201420275336 U CN201420275336 U CN 201420275336U CN 203834151 U CN203834151 U CN 203834151U
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CN
China
Prior art keywords
presser foot
flat seam
seam machine
foot lifter
roller
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Active
Application number
CN201420275336.4U
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Chinese (zh)
Inventor
曾江怀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raphe (Xiamen) Automation Technology Co., Ltd.
Original Assignee
Suture Needle Car City Co Ltd In Quanzhou City
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Suture Needle Car City Co Ltd In Quanzhou City filed Critical Suture Needle Car City Co Ltd In Quanzhou City
Priority to CN201420275336.4U priority Critical patent/CN203834151U/en
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Publication of CN203834151U publication Critical patent/CN203834151U/en
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Abstract

The utility model relates to the technical field of sewing machines, particularly to an automatic-feeding lockstitch sewing machine. The automatic-feeding lockstitch sewing machine comprises a lockstitch sewing machine body, a presser foot arranged on the lockstitch sewing machine body, a puller and a linkage mechanism, wherein the puller comprises a mounting plate, a synchronous belt pulley, a belt tensioning roller, a pulling roller, a pulling belt and a stepping motor, the mounting plate is fixed onto the lockstitch sewing machine body, the synchronous pulley, the belt tensioning roller and the pulling roller are arranged on the mounting plate and tension the pulling belt, the pulling roller can rotate vertically by taking the belt tensioning roller as the center, and the stepping motor is connected with the synchronous pulley and drives the synchronous pulley to rotate; the linkage mechanism is connected with the presser foot and the pulling roller to drive the pulling roller to lift up and press down along with the presser foot. The automatic-feeding lockstitch sewing machine is compact in structure and convenient to use; the puller and the presser foot are in linkage cooperation; patterns sewed through the automatic-feeding lockstitch sewing machine are uniform and attractive in appearance.

Description

A kind of self-feeding flat seam machine
Technical field
The utility model relates to sewing machine technique field, is specifically related to a kind of flat seam machine that can self-feeding in sewing process.
Background technology
Existing, flat seam machine is mainly with a sewing thread, forms a kind of stitching, the machine that makes one or more layers sewing interweave or unite by a seam on sewing.Flat seam machine adds man-hour; need to move forward by the artificial cloth that constantly promotes; the speed that promotes cloth is mainly the experience by operator; thereby cause unstable product quality; on the Sewing machines of higher-end, conventionally can install feed mechanism additional in order to improve sewing quality, but existing feed mechanism and flat seam machine are independent operation, can not well coordinate; while quitting work as Sewing machines pull feeder still pull cloth to move or when pull feeder quits work Sewing machines throw away and making, all can affect sewing efficiency.
For addressing the above problem, application number be 201210093685.X a kind of multi-needle machine disclosed draw materials device and presser foot lifting device, this kind draws materials device and lifts pin assembling device and can solve to a certain extent the problem that on multi-needle machine, pull feeder can not match with Tai Jiao mechanism, but multi-needle machine is all not identical on 26S Proteasome Structure and Function with flat seam machine, thereby the matching problem that how to solve pull feeder and presser foot lifter in flat seam machine is the problem of needing solution in Sewing machines production industry badly.
Utility model content
In order to overcome the deficiencies in the prior art, the self-feeding flat seam machine that provides a kind of pull feeder and presser foot lifter to cooperatively interact.
For achieving the above object, the technical solution adopted in the utility model is as follows: a kind of self-feeding flat seam machine, and comprise flat seam machine body and be arranged at the presser foot lifter on flat seam machine body, it is characterized in that: also comprise pull feeder and link gear; Described pull feeder comprises installing plate, synchronous pulley, a band roller, draws material roller, draws material strip and stepper motor, this installing plate is fixed on flat seam machine body, this synchronous pulley, a band roller and draw material roller to be arranged on installing plate and will draw material strip tensioning and draw material roller can open rotation up and down centered by band roller, this stepper motor is connected with synchronous pulley and drives its rotation; Described link gear and presser foot lifter and draw material roller to connect to drive to draw material roller along with presser foot lifter synchronize lifting, press down.
Further, also comprise belt pressing device, described belt pressing device comprises press strip, stage clip and pinch roller, this press strip one end is rotating to be connected on pull feeder, the other end is connected with pinch roller, this stage clip is arranged on press strip to regulate the angle between press strip and pull feeder, this pinch roller is rotating be arranged on press strip and with draw material strip inconsistent.
Further, stepper motor and flat seam machine body motor Synchronization Control.
Further, the switched in opposite of stepper motor and flat seam machine body motor.
Further, link gear comprises and linking arm and drive unit, described presser foot lifter, a band roller, draws material roller and drive unit to be connected on this linking arm.
Further, drive unit is a cylinder, described linking arm one end and presser foot lifter and draw that material roller is connected, the other end is connected with cylinder piston end, and this cylinder is to be with roller as the upper and lower swing of fulcrum promotion linking arm.
Further, drive unit comprises presser foot lifter control device and presser foot lifter chuck, and this presser foot lifter control device is installed on flat seam machine body for the lifting of console presser feet or presses down, and presser foot lifter and linking arm are locked on this presser foot lifter chuck.
Further, the sidewall that has a through slot passing for presser foot lifter and presser foot lifter chuck on presser foot lifter chuck have one with the suitable groove of linking arm.
From above-mentioned to description of the present utility model, the self-feeding flat seam machine compact conformation of the utility model confession, easy to use, pull feeder and presser foot lifter are linked, in the time that flat sewing machine quits work, presser foot lifter lifting, pull feeder stop drawing material simultaneously, when flat sewing machine sewing, presser foot lifter presses down, pull feeder synchronously draws material, and the decorative pattern sewing by this flat seam machine is even, attractive in appearance.
Brief description of the drawings
Fig. 1 is the structural representation of specific embodiment one self-feeding flat seam machine.
Fig. 2 is the explosive view of specific embodiment one pull feeder.
Fig. 3 is the structural representation of specific embodiment one pull feeder.
Fig. 4 is the side view of specific embodiment two self-feeding flat seam machine.
Fig. 5 is the cutaway view of A-A direction in Fig. 4.
Fig. 6 is the enlarged drawing of M in Fig. 4.
Fig. 7 is the structural representation of specific embodiment two self-feeding flat seam machine presser foot lifter chucks.
Fig. 8 is the stereogram of specific embodiment two self-feeding flat seam machine presser foot lifter chucks.
Detailed description of the invention
Below by detailed description of the invention, the utility model will be further described.
Specific embodiment one, shown in Fig. 3, a kind of self-feeding flat seam machine, comprises flat seam machine body 1, presser foot lifter 2, pull feeder 3, link gear 4 and belt pressing device 5, wherein presser foot lifter 2 is arranged on flat seam machine body 1;
Pull feeder 3 comprises installing plate 31, synchronous pulley 32, open band roller 33, draw material roller 34, draw material strip 35 and stepper motor 36, this installing plate 31 is fixed on flat seam machine body 1, this synchronous pulley 32, band roller 33 and draw material roller 34 to be arranged to be " L " type on installing plate 31 and arrange, and draw material roller 34 can open band roller 33 centered by up and down rotation, draw material strip 35 to be tensioned to this synchronous pulley 32, open band roller 33 and draw on material roller 34, this stepper motor 36 is connected with synchronous pulley 32 and drives its rotation, and this stepper motor 36 and flat seam machine body 1 motor Synchronization Control, switched in opposite,
Link gear 4 comprises drive unit 41 and linking arm 42, described drive unit 41 is for being fixed on the cylinder 411 on pull feeder 3 installing plates, linking arm 42 one end and presser foot lifter 2 and draw that material roller 34 is connected, the other end is connected with cylinder 411 piston ends, open the centre position that is connected in linking arm 42 with roller 33, cylinder 411 taking a band roller 33 for the upper and lower swing of fulcrum promotion linking arm 42, with drive draw material roller 34 along with the synchronous lifting of presser foot lifter 2, press down;
Belt pressing device 5 comprises press strip 51, stage clip 52, straight burr handle 53 and pinch roller 54, on the rotating installing plate 31 that is connected in pull feeder 3 in these press strip 51 one end, the other end is connected with pinch roller 54, this stage clip 52 is compressed and is arranged on press strip 51 by straight burr handle 53, pinch roller 54 is rotating be arranged on press strip 51 and with draw material strip 35 inconsistent, after drawing material strip tensioning, can suitably regulate the pressure of straight burr handle 53 to press strip 51, thereby control the tensile force that draws material strip 35.
Shown in Fig. 5, the workflow of above-mentioned self-feeding flat seam machine is as follows:
Load and unload cloth on flat seam machine body 1 time, the piston end of cylinder 411 stretches out taking a band roller 33 and upwards swings as fulcrum promotes linking arm 42, now draw material roller 34 along with the synchronous lifting of presser foot lifter 2, between the work top of presser foot lifter 2 and flat seam machine body 1, forming can be for the gap of waiting to sew cloth material is installed, between gap, placing after cloth, the piston end of cylinder 411 is retracted and taking a band roller 33 as fulcrum promotes linking arm 42 lower swings, is now drawn material roller 34 along with presser foot lifter 2 synchronously presses down and cloth is compressed, draws material strip 35 to contact with cloth;
When flat seam machine body 1 is sewed, the stepper motor 36 of pull feeder 3 drives synchronous pulley 32 reverse rotations to make to draw material strip 35 can constantly pull forward cloth simultaneously;
When flat seam machine body 1 stops sewing, the stepper motor 36 of pull feeder 3 stops the rotation simultaneously, and the piston end of cylinder 411 stretches out and promotes to swing on linking arm 42, now draws material roller 34 along with the synchronous lifting of presser foot lifter 2, the cloth of having sewed is loosened, complete the process of once sewing.
Specific embodiment two: with reference to shown in Fig. 4 to Fig. 6, a kind of self-feeding flat seam machine, comprise flat seam machine body 1, presser foot lifter 2, pull feeder 3, link gear 4 and belt pressing device 5, wherein flat seam machine body 1, presser foot lifter 2, pull feeder 3 and belt pressing device 5 are all identical with specific embodiment one;
Link gear 4 comprises drive unit 41a and linking arm 42a, described drive unit 41a comprises presser foot lifter control device 411a and presser foot lifter chuck 412a, this presser foot lifter control device 411a is by the lifting of the manual console presser feet 2 of operating personnel or presses down, the sidewall that has a through slot 43a who passes for presser foot lifter 2 and presser foot lifter chuck 412a on presser foot lifter chuck 412a have one with the suitable groove 44a of linking arm 42a, when installation, presser foot lifter 2 penetrates in through slot 43a, linking arm 42a embeds in groove 44a and by one and connect nut 45a locking.
With reference to shown in Fig. 4 to Fig. 6, the workflow of above-mentioned self-feeding flat seam machine is as follows:
On flat seam machine body 1, load and unload cloth, operating personnel's hand swings to pull on linking arm 42 by the lifting of the manual console presser feet 2 of presser foot lifter control device, now draw the synchronous lifting of material roller 34, between the work top of presser foot lifter 2 and flat seam machine body 1, form the gap of waiting to sew cloth material is installed, after placing cloth, operating personnel are pressing down to promote linking arm 42 lower swings by the manual console presser feet 2 of presser foot lifter control device, now draw material roller 34 along with presser foot lifter 2 synchronously presses down and cloth is compressed, draws material strip 35 to contact with cloth;
When flat seam machine body 1 is sewed, the stepper motor 36 of pull feeder 3 drives synchronous pulley 32 reverse rotations to make to draw material strip 35 can constantly pull forward cloth simultaneously;
When flat seam machine body 1 stops sewing, the stepper motor 36 of pull feeder 3 stops the rotation simultaneously, operating personnel's hand swings to pull on linking arm 42 by the lifting of the manual console presser feet 2 of presser foot lifter control device, now draws the synchronous lifting of material roller 34, completes the process of once sewing.
Above are only a detailed description of the invention of the present utility model, but design concept of the present utility model is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the utility model, all should belong to the behavior of invading the utility model protection domain.

Claims (8)

1. a self-feeding flat seam machine, comprises flat seam machine body and is arranged at the presser foot lifter on flat seam machine body, it is characterized in that: also comprise pull feeder and link gear; Described pull feeder comprises installing plate, synchronous pulley, a band roller, draws material roller, draws material strip and stepper motor, this installing plate is fixed on flat seam machine body, this synchronous pulley, a band roller and draw material roller to be arranged on installing plate and will draw material strip tensioning and draw material roller can open rotation up and down centered by band roller, this stepper motor is connected with synchronous pulley and drives its rotation; Described link gear and presser foot lifter and draw material roller to connect to drive to draw material roller along with presser foot lifter synchronize lifting, press down.
2. self-feeding flat seam machine according to claim 1, it is characterized in that: also comprise belt pressing device, described belt pressing device comprises press strip, stage clip and pinch roller, this press strip one end is rotating to be connected on pull feeder, the other end is connected with pinch roller, this stage clip is arranged on press strip to regulate the angle between press strip and pull feeder, this pinch roller is rotating be arranged on press strip and with draw material strip inconsistent.
3. self-feeding flat seam machine according to claim 1, is characterized in that: described stepper motor and flat seam machine body motor Synchronization Control.
4. according to the self-feeding flat seam machine described in claim 1 or 3, it is characterized in that: the switched in opposite of described stepper motor and flat seam machine body motor.
5. self-feeding flat seam machine according to claim 1, is characterized in that: described link gear comprises and linking arm and drive unit, described presser foot lifter, a band roller, draws material roller and drive unit to be connected on this linking arm.
6. self-feeding flat seam machine according to claim 5, it is characterized in that: described drive unit is a cylinder, described linking arm one end and presser foot lifter and draw that material roller is connected, the other end is connected with cylinder piston end, this cylinder is to be with roller as the upper and lower swing of fulcrum promotion linking arm.
7. self-feeding flat seam machine according to claim 5, it is characterized in that: described drive unit comprises presser foot lifter control device and presser foot lifter chuck, this presser foot lifter control device is installed on flat seam machine body for the lifting of console presser feet or presses down, and presser foot lifter and linking arm are locked on this presser foot lifter chuck.
8. self-feeding flat seam machine according to claim 7, is characterized in that: the sidewall that has a through slot passing for presser foot lifter and presser foot lifter chuck on described presser foot lifter chuck have one with the suitable groove of linking arm.
CN201420275336.4U 2014-05-27 2014-05-27 Automatic-feeding lockstitch sewing machine Active CN203834151U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420275336.4U CN203834151U (en) 2014-05-27 2014-05-27 Automatic-feeding lockstitch sewing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420275336.4U CN203834151U (en) 2014-05-27 2014-05-27 Automatic-feeding lockstitch sewing machine

Publications (1)

Publication Number Publication Date
CN203834151U true CN203834151U (en) 2014-09-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420275336.4U Active CN203834151U (en) 2014-05-27 2014-05-27 Automatic-feeding lockstitch sewing machine

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103981642A (en) * 2014-05-27 2014-08-13 泉州市中缝针车城有限责任公司 Lockstitch sewing machine capable of feeding automatically

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103981642A (en) * 2014-05-27 2014-08-13 泉州市中缝针车城有限责任公司 Lockstitch sewing machine capable of feeding automatically

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C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20160420

Address after: 361000 Fujian province Xiamen Huli District, Mokpo Wuyuan Bay Road No. 103

Patentee after: Raphe (Xiamen) Automation Technology Co., Ltd.

Address before: 362261 Fujian city of Quanzhou province Jinjiang Anhai Chi Dian Cun Su CuO Industrial Zone

Patentee before: Suture needle car city Co., Ltd in Quanzhou City