CN214244817U

CN214244817U - Presser foot hanging prevention device of sewing machine

Info

Publication number: CN214244817U
Application number: CN202023199089.9U
Authority: CN
Inventors: 白连环
Original assignee: Beijing Baililang Garment Co ltd
Current assignee: Beijing Baililang Garment Co ltd
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-09-21
Anticipated expiration: 2030-12-26

Abstract

The utility model belongs to the technical field of clothing manufacturing's technique and specifically relates to a presser foot device is prevented hanging by sewing machine is related to, and it is including the presser foot that is located sewing machine sewing table top, the perk end grafting of presser foot is fixed with the extension guide vane, and the feed end of sewing table is provided with near being close to the presser foot and is used for carrying out the pre-compaction device that pre-compresses to cotton products, and this application has the volume that reduces cotton products and pile up at the presser foot perk front end, makes the sewing machine can normally make up cotton products's effect.

Description

Presser foot hanging prevention device of sewing machine

Technical Field

The application relates to the technical field of clothing manufacturing, in particular to a presser foot hanging prevention device of a sewing machine.

Background

A sewing machine is a machine that uses one or more sewing threads to form one or more stitches in a material to be sewn, thereby interweaving or stitching one or more layers of material.

The sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like, and products such as leather, plastic, paper and the like, the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, the use is simple and convenient, the artistic forms such as hand-push embroidery computer embroidery and the like are derived, and in the clothing manufacturing industry, soft cotton products are often needed to be sewed into harder clothing semi-finished products.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: in the process of sewing cotton products by the sewing machine, the cotton products are soft and thick, and the cotton products are gradually stacked at the front end of the presser foot in a tilting mode, so that normal sewing is affected.

SUMMERY OF THE UTILITY MODEL

In order to reduce the cotton products and pile up the volume at presser foot perk front end, make the sewing machine can normally make up cotton products, this application provides a sewing machine prevents hanging presser foot device.

The application provides a sewing machine prevents hanging presser foot device adopts following technical scheme: the presser foot hanging prevention device of the sewing machine comprises a presser foot positioned above a sewing table of the sewing machine, an extension guide vane is fixedly inserted at the tilting end of the presser foot, and a prepressing device used for prepressing a cotton product is arranged near the feed end of the sewing table close to the presser foot.

By adopting the technical scheme, the cotton product is firstly compacted by the pre-pressing device before contacting the presser foot, so that the possibility that the cotton product is stacked at the raised front end of the presser foot can be preliminarily reduced; the guide sheet is lengthened to increase the height of the presser foot, so that the presser foot can press thicker cotton products, and the possibility that the cotton products are gradually stacked at the front end of the tilted presser foot is further reduced.

Optionally, the pre-compaction device includes support and many compression rollers, and many compression rollers all are located between the support and all are connected with the support rotation, and the bottom of support has set firmly the guide leg, guide leg and sewing platform sliding fit, and the support runs through there is the lead screw, and the lead screw is connected with the support rotation, and the lead screw is kept away from the one end of support and is inserted in the sewing platform and sewing platform screw-thread fit.

Through adopting above-mentioned technical scheme, when cotton products passed between compression roller and the sewing platform, cotton products made many compression rollers rotate, and the compression roller rotates the back and makes cotton products's feeding more smooth and easy in reverse, makes cotton products be difficult for piling up, and the lead screw supports the support, rotates the lead screw, and the lead screw drives the support and reciprocates the distance that changes between compression roller and the sewing platform to can adapt to the cotton products of different thickness.

Optionally, the top of the support is inclined in a direction away from the presser foot to a direction away from the sewing table.

Through adopting above-mentioned technical scheme, set up the slope of support and can make the compression roller increase gradually to cotton products's pressure, make the process of compaction cotton products more smooth and easy.

Optionally, the number of the screw rods is two, and the two screw rods are respectively located on two sides of the support far away from each other.

Through adopting above-mentioned technical scheme, set up two lead screws and can support the support more steadily, make the support atress balanced.

Optionally, a notch is formed in the tilting end of the presser foot, and a guide roller is rotationally connected in the notch.

By adopting the technical scheme, in the process of sewing the cotton product, the fed cotton product enables the guide roller to rotate, and the rotary guide roller enables the feeding of the cotton product to be smoother.

Optionally, the guide rollers are multiple and are arranged along the direction of the notch respectively.

Through adopting above-mentioned technical scheme, can increase the area of contact with cotton products with the guide roll more, improve the smoothness nature that cotton products fed.

Optionally, the presser foot is provided with a plurality of guide grooves towards the bottom surface of the sewing table, and the guide grooves extend from the top end of the tilting of the presser foot to the bottom end of the presser foot.

By adopting the technical scheme, the guide groove has a guide guiding effect on the feeding of the cotton products, so that the possibility of dislocation of the cotton products is reduced, and the cotton products keep the correct feeding direction.

Optionally, the cross section of the guide groove is triangular.

By adopting the technical scheme, the cross section of the guide groove is triangular, so that sundries such as flocks and the like are not easy to accumulate in the guide groove.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the prepressing device, the cotton product is firstly compacted by the prepressing device before contacting the presser foot, so that the possibility that the cotton product is accumulated at the front end of the turnup of the presser foot can be preliminarily reduced;

2. the extension guide sheet is arranged, so that the height of the presser foot can be increased by the extension guide sheet, a thicker cotton product can be pressed by the presser foot, and the possibility that the cotton product is gradually stacked at the front end of the tilted presser foot is further reduced;

3. through setting up many guide rolls, many pivoted guide rolls make cotton products's feeding more smooth and easy.

Drawings

FIG. 1 is a schematic structural view of a presser foot hooking prevention device of a sewing machine according to an embodiment of the present application;

fig. 2 is a schematic view showing the structure of the guide groove.

Description of reference numerals: 1. a sewing table; 2. a presser foot; 21. a notch; 22. a guide groove; 3. extending the guide plate; 4. a pre-pressing device; 41. a support; 411. a guide leg; 42. a compression roller; 5. a lead screw; 6. and a guide roller.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a presser foot hanging prevention device of a sewing machine, referring to fig. 1, the presser foot hanging prevention device of the sewing machine 2 comprises a presser foot 2 positioned above a sewing table 1 of the sewing machine, a notch 21 for a sewing needle to pass through is arranged in the middle of the tilting end of the presser foot 2, the notch 21 is communicated with the end surface of the tilting end of the presser foot 2, an extension guide sheet 3 is fixedly inserted into the tilting end of the presser foot 2, a prepressing device 4 for prepressing a cotton product is arranged near the feed end of the sewing table 1 near the presser foot 2, the prepressing device 4 comprises a support 41 and four press rollers 42, the four press rollers 42 are all positioned between the supports 41 and are rotatably connected with the support 41, the rotating axes of the four press rollers 42 are parallel, the top of the support 41 inclines towards the direction far away from the presser foot 2, four guide legs 411 are integrally formed at the bottom of the support 41, the four guide legs 411 are close to the four corners of the support 41, the guide leg 411 is inserted into the sewing table 1 and is in sliding fit with the sewing table 1, the support 41 penetrates through two vertical screw rods 5, the two screw rods 5 are respectively located on two sides of the support 41, the screw rods 5 are rotatably connected with the support 41, and one end, away from the support 41, of each screw rod 5 is inserted into the sewing table 1 and is in threaded fit with the sewing table 1.

Referring to fig. 1, before contacting a presser foot 2, a cotton product is firstly compacted by a pre-pressing device 4, when the cotton product passes through between a press roller 42 and a sewing table 1, the cotton product enables a plurality of press rollers 42 to rotate, the feed of the cotton product is smoother after the press rollers 42 rotate, the support 41 is obliquely arranged, the pressure of the press rollers 42 on the cotton product can be gradually increased, the process of compacting the cotton product is smoother, the cotton product is not easy to accumulate, the support 41 is supported by a screw rod 5, the screw rod 5 rotates the screw rod 5, and the screw rod 5 drives the support 41 to move up and down to change the distance between the press roller 42 and the sewing table 1 so as to adapt to the cotton products with different thicknesses; the extension guide piece 3 can heighten the height of the presser foot 2, so that the presser foot 2 can press thicker cotton products, and the possibility that the cotton products are gradually stacked at the tilting front end of the presser foot 2 is further reduced.

Referring to fig. 1 and 2, four guide rollers 6 are rotatably connected in the notch 21, the rotation axes of the four guide rollers 6 are parallel and are respectively arranged along the direction of the notch 21, in the process of sewing the cotton product, the guide rollers 6 are rotated by the fed cotton product, and the feeding of the cotton product is smoother by the rotated guide rollers 6; the presser foot 2 is provided with a plurality of guide grooves 22 towards the bottom surface of the sewing table 1, the guide grooves 22 extend from the top end of the tilting of the presser foot 2 to the bottom end of the presser foot 2, the section of each guide groove 22 is triangular, the guide grooves 22 guide the feeding of cotton products, the possibility of dislocation of the cotton products is reduced, the cotton products are enabled to keep the correct feeding direction, and the triangular section of the guide grooves 22 enables sundries such as flocks and the like not to be easily accumulated in the guide grooves 22.

The implementation principle of the presser foot hanging prevention device of the sewing machine in the embodiment of the application is as follows: before the cotton product contacts the presser foot 2, the cotton product is compacted by the pre-pressing device 4, when the cotton product passes through between the press roller 42 and the sewing table 1, the cotton product enables the press rollers 42 to rotate, the feed of the cotton product is smoother after the press rollers 42 rotate, the support 41 is obliquely arranged, the pressure of the press rollers 42 on the cotton product can be gradually increased, the process of compacting the cotton product is smoother, the cotton product is not easy to accumulate, the screw 5 supports the support 41, the screw 5 is rotated, and the screw 5 drives the support 41 to move up and down to change the distance between the press rollers 42 and the sewing table 1 so as to adapt to the cotton products with different thicknesses; the extension guide sheet 3 can heighten the height of the presser foot 2, so that the presser foot 2 can press thicker cotton products, and the possibility that the cotton products are gradually stacked at the raised front end of the presser foot 2 is further reduced; the guide roller 6 is rotated by the fed cotton products, and the feeding of the cotton products is smoother by the rotating guide roller 6; the guide groove 22 guides the feeding of the cotton products, reduces the possibility of dislocation of the cotton products and enables the cotton products to keep the correct feeding direction.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a presser foot device is prevented hanging by sewing machine, is including being located presser foot (2) of sewing machine sewing platform (1) top, its characterized in that: the raising end of the presser foot (2) is fixedly provided with an extension guide vane (3) in an inserting way, and the feeding end of the sewing table (1) is provided with a prepressing device (4) which is used for prepressing cotton products near the presser foot (2).

2. The presser foot hooking prevention device of a sewing machine according to claim 1, wherein: prepressing device (4) include support (41) and many compression rollers (42), many compression rollers (42) all are located between support (41) and all rotate with support (41) and are connected, the bottom of support (41) has set firmly guide leg (411), guide leg (411) and sewing platform (1) sliding fit, support (41) run through have lead screw (5), lead screw (5) rotate with support (41) and are connected, the one end that support (41) were kept away from in lead screw (5) is inserted in sewing platform (1) and is sewed platform (1) screw-thread fit.

3. The presser foot hooking prevention device of a sewing machine as claimed in claim 2, wherein: the top of the bracket (41) inclines in the direction far away from the presser foot (2) and in the direction far away from the sewing table (1).

4. The presser foot hooking prevention device of a sewing machine as claimed in claim 3, wherein: the number of the screw rods (5) is two, and the screw rods are respectively positioned on two sides of the support (41) which are far away from each other.

5. The presser foot hooking prevention device of a sewing machine according to claim 1, wherein: a notch (21) is formed in the tilting end of the presser foot (2), and a guide roller (6) is rotatably connected to the notch (21).

6. The presser foot hooking prevention device of a sewing machine as claimed in claim 5, wherein: the guide rollers (6) are arranged along the trend of the notches (21).

7. The presser foot hooking prevention device of a sewing machine as claimed in claim 6, wherein: the bottom surface of the presser foot (2) facing the sewing table (1) is provided with a plurality of guide grooves (22), and the guide grooves (22) extend from the top end of the tilting of the presser foot (2) to the bottom end of the presser foot (2).

8. The presser foot hooking prevention device of a sewing machine as claimed in claim 7, wherein: the section of the guide groove (22) is triangular.