CN210066127U

CN210066127U - Single-thread sewing covering stitch machine capable of reducing cloth overlapping sewing width

Info

Publication number: CN210066127U
Application number: CN201920367454.0U
Authority: CN
Inventors: 刘德武
Original assignee: Shenzhen Noaher Alliance Furniture Co Ltd
Current assignee: Shenzhen Noaher Alliance Furniture Co Ltd
Priority date: 2019-03-20
Filing date: 2019-03-20
Publication date: 2020-02-14
Anticipated expiration: 2029-03-20

Abstract

The utility model relates to a single-thread sewing covering machine capable of reducing cloth overlapping sewing width, which comprises a covering machine, wherein a presser foot component is arranged on the covering machine, and the presser foot component comprises a presser foot and a stitch limit; the limit stitch includes fixed sleeve, the first foot that extends, one side of the first foot that extends is provided with the pinhole, the compress foot extends the foot including fixed foot, second, the second extends the foot and is provided with two places, and equal parallel arrangement is in on the fixed foot, and with first extension foot homonymy arranges, just fixed foot and two place form the confession between the foot that extends the recess that the limit stitch was placed. The utility model discloses can shorten two blocks of cloth and overlap the width of making up back overlapping department, save the cloth.

Description

Single-thread sewing covering stitch machine capable of reducing cloth overlapping sewing width

Technical Field

The utility model belongs to the technical field of the technique of surface fabric equipment of making up and specifically relates to a single line covering stitch machine that width was made up in reducible cloth overlapping is related to.

Background

Referring to fig. 1 and 2, a stitch sewing machine 1a is an apparatus for hemming, an overlapped part of two pieces of cloth is clamped by a presser knife 4115a after being folded, and the rest part passes through between an operation table 2a and a presser foot group price and is sewn by a stitch 331a in a single line, so that a single-stitch structure can be formed.

The width of the groove 413a on the existing presser foot component 4a is too large, the sewing needle 331a is too far away from the cloth overlapping position, the width of the cloth overlapping position formed after sewing is too large, and the cloth is wasted. Therefore, a presser foot structure is needed to reduce the width of the overlapped part of the sewn cloth and save the cloth.

SUMMERY OF THE UTILITY MODEL

The utility model provides a covering stitch machine is made up to single line of reducible cloth overlapping width, it has the width of reducing cloth overlapping department.

The above object of the present invention can be achieved by the following technical solutions:

a single-thread sewing covering machine capable of reducing cloth overlapping sewing width comprises a covering machine, wherein a presser foot component is arranged on the covering machine and comprises a cloth pressing foot and a stitch limiting;

the pin limiting pins comprise a fixed sleeve and a first extending pin extending on the fixed sleeve, and pinholes with cross sections in inwards concave arc arrangement are arranged on one side of the first extending pin;

the compress foot including fixed foot the second that extends on the fixed foot extends the foot, the second extends the foot and is provided with two places, and equal parallel arrangement is in on the fixed foot, and with first extension foot homonymy arranges, just fixed foot and two form the confession between the second extension foot the recess that the limit stitch was placed.

By adopting the technical scheme, compared with the prior art, the width of the groove is shortened, the position of the needle hole is changed, the overlapped part of the cloth is clamped on the second extending foot in the sewing process, and the distance between the needle hole and the second extending foot adjacent to the needle hole is reduced, so that the distance between the guide needle and the second extending foot adjacent to the needle hole is also reduced, the width of the overlapped part of the cloth sewn out is also reduced, and the waste of the cloth at the overlapped part can be reduced.

Further, be provided with the extension piece on the fixed foot, the extension piece is arranged and is being close to on one side of limit stitch, be fixed with the pressure sword through the screw rod on the extension piece, be provided with nut and spring on the screw rod, the screw rod with the spring sets up the extension piece with between the pressure sword, just the spring is close to the pressure sword is arranged, the pressure sword other end is followed the extending direction of first extension foot is arranged, the pressure sword bottom is the cambered surface of evagination and arranges, and the top is the cambered surface of evagination and arranges, and the other end is the cambered surface of evagination and arranges.

Through adopting above-mentioned technical scheme, the pressing knife is used for compressing tightly the cloth, avoids the cloth to take place the skew at the in-process of making up to lead to the suture not straight, and the elasticity of the outside expansion of spring can strengthen the firm degree of pressing knife on extending the piece, and the nut can increase the spring and extend the area of contact of piece, still can shorten the length of spring through adjusting nut simultaneously, thereby strengthens the outside elasticity that expands of spring, strengthens the firm degree of pressing knife.

Furthermore, a cloth pressing clamp is arranged on the fixing foot, the cloth pressing clamp is arranged close to the pressing knife, and the other end of the cloth pressing clamp is arranged along the extending direction of the first extending foot.

Through adopting above-mentioned technical scheme, the presser foot subassembly can be assisted to the compress clamp, and at the cloth sewing in-process, further messenger's cloth is difficult for taking place the skew, but the while centre gripping presser knife still limits the lateral shifting of department presser knife.

Furthermore, a fixing clamp is arranged on the fixing foot, one end of the fixing clamp towards the inside of the fixing foot is arranged in a cylindrical shape, the other end of the fixing clamp is arranged in a crack shape, and an adjusting bolt is arranged on the crack; and the fixed sleeve is also provided with an adjusting bolt.

Through adopting above-mentioned technical scheme, the covering stitch machine is last to have two columniform stabilizer blades, and fixation clamp and fixed sleeving overlap respectively two with the stabilizer blade to all add to hold fixedly through screwing up adjusting bolt.

Further, the stitch-covering machine further comprises an operation table, wherein anti-slip grains and a sewing opening are arranged on the operation table, the sewing opening is arranged below the groove, and the anti-slip grains are arranged below the presser foot assembly.

Through adopting above-mentioned technical scheme, the frictional force between anti-skidding line can increase cloth and the operation panel avoids the cloth to skid in the emergence of making up the in-process, causes the suture to make up inhomogeneous.

Further, one end of the extended presser foot assembly is tilted upwards.

Through adopting above-mentioned technical scheme, the cloth of being convenient for is sent into, if the one end that the presser foot subassembly extends is parallel with the operation panel, and at the in-process that the cloth was sent into, the cloth was easily blocked to the presser foot subassembly, and the influence cloth is sent into.

Further, be provided with flexible gas pole on the covering stitch machine, be provided with the stitch on the flexible gas pole, the stitch sets up the pinhole top, be provided with the eye of the needle on the stitch, the eye of the needle is arranged and is close to on the stitch the pinhole serves.

By adopting the technical scheme, the sewing needle can move back and forth on the needle hole under the telescopic action of the telescopic air rod, so that the sewing thread on the needle hole can be sewn on the cloth.

Furthermore, a wire clamping block is arranged on the telescopic air rod, and a wire hole is formed in the wire clamping block.

By adopting the technical scheme, the thread clamping block is used for fixing the thread, and the thread firstly passes through the thread hole and then passes through the needle hole, so that the thread can be orderly output.

To sum up, the beneficial effects of the utility model are that: 1. the width of the groove is shortened, and the position of the needle hole is changed, so that the distance between the guide sewing needle and the second extending foot adjacent to the needle hole is reduced, in the sewing process, the overlapped part of the cloth is clamped on the second extending foot, the width of the overlapped part of the sewn cloth is reduced, and the waste of the cloth at the overlapped part can be reduced; 2. the stability that the in-process was made up of cloth can further be strengthened to pressing sword and compress the cloth clamp, with the cooperation of protection line, avoid the cloth to take place to skid, the position is skew, cause the suture inhomogeneous, not the light defect of straight.

Drawings

Background art figures:

FIG. 1 is a schematic structural diagram of the background art of the present invention;

fig. 2 is an enlarged view at a in fig. 1.

In the figure, 1a, a covering stitch machine; 2a, an operation table; 3a, a machine body; 331a, sewing needle; 4a, a presser foot assembly; 4115a, a pressing knife; 413a, a groove.

The embodiment is as follows:

fig. 3 is a schematic structural diagram of an embodiment of the present invention;

FIG. 4 is an enlarged view at B in FIG. 3;

fig. 5 is a schematic structural view of a presser foot assembly in an embodiment of the present invention.

In the figure, 1, a covering stitch machine; 2. an operation table; 21. anti-skid lines; 22. sewing the opening; 3. a body; 31. a support leg; 33. a telescopic air rod; 331. sewing a needle; 3311. needle eyes; 332. a wire clamping block; 3321. a wire hole; 4. a presser foot assembly; 41. pressing cloth feet; 411. a fixing leg; 4111. a fixing clip; 4112. adjusting the bolt; 4113. an extension block; 4114. a screw; 41141. a nut; 41142. a spring; 4115. pressing a cutter; 4116. pressing the cloth to clamp; 412. a second extension leg; 413. a groove; 42. limiting pins; 421. fixing the sleeve; 422. a first extension leg; 4221. a pinhole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 3 and 5, for the utility model provides a single line covering stitch sewing machine capable of reducing cloth overlapping sewing width, covering stitch sewing machine 1 includes operation panel 2, fuselage 3, presser foot subassembly 4, and fuselage 3 is fixed on operation panel 2 with the bolt. The presser foot component 4 comprises a cloth pressing foot 41 and a limit stitch 42, the limit stitch 42 comprises a fixing sleeve 421 and a first extension foot 422 which extends on the fixing sleeve 421 and is integrally formed, and a pinhole 4221 with an inwardly concave cross section and an arc arrangement is arranged on one side of the first extension foot 422. The cloth pressing foot 41 comprises a fixed foot 411 and a second extending foot 412 extending on the fixed foot 411 and integrally formed, the second extending foot 412 is provided with two positions, the two positions are arranged on the fixed foot 411 in parallel and arranged at the same side of the first extending foot 422, and a groove 413 for placing the limiting pin 42 is formed between the fixed foot 411 and the two second extending feet 412.

Referring to fig. 4, the operating platform 2 is connected with the anti-slip thread 21 in a clamping manner and provided with a sewing opening 22, the sewing opening 22 is arranged below the groove 413, and the anti-slip thread 21 is arranged below the presser foot assembly 4. The anti-slip lines 21 can increase the friction force between the cloth and the operation table 2, and prevent the cloth from slipping in the sewing process to cause uneven sewing.

The integrated into one piece has a mounting clip 4111 on the fixed foot 411, and mounting clip 4111 is equipped with hollow cylinder to the one end in the fixed foot 411, and the other end is equipped with the crack and arranges, and equal screw thread is equipped with horizontal adjusting bolt 4112 on crack and the fixed sleeve 421. The fuselage 3 is equipped with two cylindrical stabilizer blades 31 and a flexible gas pole 33, and mounting clip 4111 and fixed sleeve 421 overlap respectively on two stabilizer blades 31 to all hold fixedly through screwing up adjusting bolt 4112. The extended end of the presser foot assembly 4 is upwardly tilted. The cloth feeding is convenient, if the extended end of the presser foot component 4 is parallel to the operating platform 2, the presser foot component 4 is easy to clamp the cloth in the cloth feeding process, and the cloth feeding is influenced.

The telescopic air rod 33 is provided with a sewing needle 331 and a thread clamping block 332, the sewing needle 331 is arranged above the needle hole 4221, a needle eye 3311 is arranged on the sewing needle 331, and the needle eye 3311 is arranged on one end of the sewing needle 331 close to the needle hole 4221. The needle 331 is reciprocated on the needle hole 4221 by the stretching action of the stretching air rod 33, and thus the thread on the needle eye 3311 can be sewn to the fabric. The wire clamping block 332 is provided with a wire hole 3321. The thread locking block 332 is used to fix the thread, which is passed through the thread hole 3321 and then through the needle eye 3311, so that the thread can be sequentially discharged.

Compared with fig. 2, the width of the groove 413 is shortened, the position of the needle hole 4221 is changed, and the overlapped part of the cloth is clamped on the second extending leg 412 in the sewing process, because the distance between the needle hole 4221 and the adjacent second extending leg 412 is reduced, so that the distance between the guiding needle 331 and the adjacent second extending leg 412 is reduced, the width of the overlapped part of the sewn cloth is reduced, and the waste of the cloth at the overlapped part is reduced.

The welding has extension piece 4113 on fixed foot 411, extension piece 4113 arranges on the one side that is close to limit stitch 42, be fixed with pressure sword 4115 through screw rod 4114 on the extension piece 4113, the screw rod 4114 is gone up the screw thread and is equipped with nut 41141, the cover is equipped with spring 41142, screw rod 4114 and spring 41142 set up extend between piece 4113 and pressure sword 4115, and spring 41142 is close to pressure sword 4115 and arranges, the pressure sword 4115 other end arranges along the direction of extension of first extension foot 422, the pressure sword 4115 bottom is the cambered surface of evagination and arranges, the top is the cambered surface of evagination and arranges, the other end is the cambered surface of evagination and arranges. The pressing blade 4115 is slightly bent and attached to the second extending leg 412.

Pressing knife 4115 is used for compressing tightly the cloth, avoids the cloth to take place the skew at the sewing in-process to lead to the suture not straight, and the elasticity of the outside expansion of spring 41142 can strengthen pressing knife 4115 the firm degree on extending block 4113, and nut 41141 can increase the area of contact of spring 41142 with extending block 4113, still can shorten the length of spring 41142 through adjusting nut 41141 simultaneously, thereby strengthen the outside elasticity of expanding of spring 41142, strengthen pressing knife 4115's firm degree.

The bolt assembly presses cloth clamp 4116 on fixed foot 411, presses cloth clamp 4116 is close to pressure sword 4115 and arranges, and the other end of presses cloth clamp 4116 arranges along the extending direction of first extension foot 422, and presses cloth clamp 4116 can use the bolt to do the circumference regulation as the center on fixed foot 411, still can stop wantonly according to the frictional force of bolt assembly. The cloth pressing clamp 4116 can assist the presser foot assembly 4, further prevent the cloth from shifting easily in the cloth sewing process, and can also clamp the pressing knife 4115 to limit the lateral movement of the pressing knife 4115.

The implementation principle of the embodiment is as follows: in the sewing process, one ends of the two fabrics are overlapped and then manually pushed between the operating platform 2 and the presser foot component 4, the overlapped part is abutted against and pressed by the pressing knife 4115, the sewing needle 331 makes reciprocating movement in the needle hole 4221, and the sewing thread is sewn on the overlapped part of the fabrics. The needle hole 4221 is arranged close to the pressing knife 4115, so that the distance between the needle hole 4221 and the second extending foot 412 adjacent to the needle hole is reduced, and the width of the overlapped part after sewing is determined by the distance, so that the width of the overlapped part after sewing can be reduced, and cloth is saved.

The embodiment of this embodiment is the preferred embodiment of the present invention, not limiting in proper order the utility model discloses a protection scope, the event: all equivalent changes made according to the structure, shape and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a single line sewing covering stitch machine of width is made up in reducible cloth overlapping, includes covering stitch machine (1), its characterized in that: the covering machine (1) is provided with a presser foot component (4), and the presser foot component (4) comprises a cloth pressing foot (41) and a stitch limiting (42);

the pin limiting pin (42) comprises a fixing sleeve (421) and a first extending pin (422) extending on the fixing sleeve (421), and a pin hole (4221) with an inwards concave arc-shaped cross section is formed in one side of the first extending pin (422);

compress foot (41) including fixed foot (411), second extension foot (412) that extend on fixed foot (411), second extension foot (412) are provided with two, and equal parallel arrangement is in on fixed foot (411), and with first extension foot (422) homonymy arranges, just fixed foot (411) and two second extension foot (412) between form the confession limit stitch (42) recess (413) of placing.

2. A single thread stitch covering machine capable of reducing the width of overlapped sewing of cloth according to claim 1, characterized in that: be provided with on fixed foot (411) and extend piece (4113), it is being close to extend piece (4113) on one side of limit stitch (42), it presses sword (4115) to be fixed with through screw rod (4114) on extension piece (4113), be provided with nut (41141) and spring (41142) on screw rod (4114), screw rod (4114) and spring (41142) set up extend piece (4113) with between pressing sword (4115), just spring (41142) is close to pressing sword (4115) arranges, pressing sword (4115) other end is followed the extending direction of first extension foot (422) arranges, pressing sword (4115) bottom is the cambered surface arrangement that outwards protrudes, and the top is the cambered surface arrangement that outwards protrudes, and the other end is the cambered surface arrangement that inwards protrudes.

3. A single thread stitch covering machine capable of reducing the width of overlapped sewing of cloth according to claim 2, characterized in that: the fixed foot (411) is provided with a cloth pressing clamp (4116), the cloth pressing clamp (4116) is arranged close to the pressing knife (4115), and the other end of the cloth pressing clamp (4116) is arranged along the extending direction of the first extending foot (422).

4. A single thread stitch covering machine capable of reducing the width of overlapped sewing of cloth according to claim 1, characterized in that: a fixing clamp (4111) is arranged on the fixing foot (411), one end of the fixing clamp (4111) towards the inside of the fixing foot (411) is arranged in a cylindrical shape, the other end of the fixing clamp (4111) is arranged in a crack shape, and an adjusting bolt (4112) is arranged on the crack; an adjusting bolt (4112) is also arranged on the fixed sleeve (421).

5. A single thread stitch covering machine capable of reducing the width of overlapped sewing of cloth according to claim 1, characterized in that: the covering stitch machine (1) still includes operation panel (2), be provided with anti-skidding line (21) and sewing mouth (22) on operation panel (2), sewing mouth (22) are arranged recess (413) below, anti-skidding line (21) are arranged presser foot subassembly (4) below.

6. A single thread stitch covering machine capable of reducing the width of overlapped sewing of cloth according to claim 1, characterized in that: one end of the presser foot component (4) extending upwards tilts.

7. A single thread stitch covering machine capable of reducing the width of overlapped sewing of cloth according to claim 1, characterized in that: the covering stitch machine (1) is provided with flexible gas pole (33), be provided with stitch (331) on flexible gas pole (33), stitch (331) sets up pinhole (4221) top, be provided with eye of stitch (3311) on stitch (331), eye of stitch (3311) is arranged to be close to on stitch (331) one of pinhole (4221) is served.

8. A single thread stitch covering machine capable of reducing the width of overlapped sewing of cloth according to claim 7, characterized in that: the telescopic air rod (33) is provided with a wire clamping block (332), and a wire hole (3321) is formed in the wire clamping block (332).