CN111334940B

CN111334940B - Auxiliary device is sewed up to surface fabric for spinning machine

Info

Publication number: CN111334940B
Application number: CN202010343747.2A
Authority: CN
Inventors: 李小琴
Original assignee: Individual
Current assignee: Handan Jinan New Area Hongmeili Knitwear Co.,Ltd.
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2021-08-03
Anticipated expiration: 2040-04-27
Also published as: CN111334940A

Abstract

The invention provides a fabric sewing auxiliary device for textile machinery, relates to the field of fabric processing auxiliary devices, and solves the problems that the organic combination of high-efficiency skid resistance and fabric port stretching prevention cannot be realized, and the uneven phenomenon of the fabric ports is easily caused in the fabric pressing process; the fibers falling into the sliding groove can not be automatically cleaned. A fabric sewing auxiliary device for textile machinery comprises a main body seat; two pieces of fabric are placed on the main body seat, and a pressing structure is pressed on the fabric. The outer sides of the bottom end surfaces of the two pressing blocks are welded with the anti-skid protrusions A, and the inner sides of the bottom end surfaces of the two pressing blocks are welded with the anti-skid protrusions B; the anti-slip bulge B is of a long strip-shaped structure, and the anti-slip bulge A is of an S-shaped structure, so that when the pressing block is pressed and tightly attached to the fabric, the anti-slip efficiency can be improved by the S-shaped anti-slip bulge A, the straight effect of the fabric can be prevented from being achieved by the long strip-shaped anti-slip bulge B, and the stretching phenomenon of the position of a port of the fabric can be prevented.

Description

Auxiliary device is sewed up to surface fabric for spinning machine

Technical Field

The invention belongs to the technical field of fabric processing auxiliary devices, and particularly relates to a fabric sewing auxiliary device for textile machinery.

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, and the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient. And derives the artistic forms of hand-push embroidery, computer embroidery, etc.

As in application No.: CN201910658165.0, the invention discloses a fabric sewing auxiliary device for an automatic textile machine, which relates to a sewing clothes set, a specific bottom plate is connected through two belt pulleys through belt transmission, a second clamping plate is connected with a screw thread, the second clamping plate moves upwards or downwards to change the distance between the second clamping plate and a first clamping plate, the distance between the second clamping plate and the first clamping plate is increased, a zipper cloth strip is attached to the clothes cloth strip, the distance between the second clamping plate and the first clamping plate is reduced, the whole bottom plate is placed around a sewing machine and is stuffed under the sewing machine for a sewing process, a lifting plate is slowly pushed in the sewing process to horizontally move in a T-shaped chute, so that the sewing of the zipper cloth strip is completed, the sewing thread is straight, a convex area is generated after the pressing, the appearance is improved, a plurality of scissors or painting brushes can be carried through a drawer box, and a plurality of common small tools are improved for the sewing process, the sewing can be completed better, and the sewing process is more convenient for people.

Based on the application number: CN201910658165.0, patent search, found that the following disadvantages exist:

one is that the application can not realize the organic combination of high-efficiency skid resistance and fabric port stretching prevention in the fabric compressing process, and the uneven phenomenon of the fabric ports is easily caused in the fabric compressing process; moreover, the application is easy to generate the splashing of the wool fibers in the sewing process, and the fibers falling into the sliding groove cannot be automatically cleaned; finally, the limit structure of the prior device cannot realize the organic combination of quick adjustment and convenient placement.

In view of the above, the present invention provides a fabric sewing auxiliary device for textile machinery, which is improved in view of the existing structure and defects, so as to achieve the purpose of higher practical value.

Disclosure of Invention

In order to solve the technical problems, the invention provides a fabric sewing auxiliary device for textile machinery, which aims to solve the problems that the prior art can not realize the organic combination of high-efficiency skid resistance and fabric port stretching prevention in the fabric pressing process, and the fabric ports are easily uneven in the fabric pressing process; moreover, the application is easy to generate the splashing of the wool fibers in the sewing process, and the fibers falling into the sliding groove cannot be automatically cleaned; finally, the limit structure of the prior device can not realize the problem of organic combination of quick adjustment and convenient placement.

The invention relates to a fabric sewing auxiliary device for textile machinery, which is achieved by the following specific technical means:

a fabric sewing auxiliary device for textile machinery comprises a main body seat; two pieces of fabric are placed on the main body seat, a pressing structure is pressed on the fabric, and the pressing structure is connected with the connecting seat structure; the main body seat comprises a sliding groove, and the main body seat is provided with a sliding groove for the sliding connection of the limiting structure; the pressing structure comprises a main body block, pressing blocks, an anti-skid bulge A and an anti-skid bulge B, wherein the two pressing blocks are connected through a connecting rod in a welded mode, and the pressing blocks are connected with the main body block in a welded mode; the outer sides of the bottom end surfaces of the two pressing blocks are welded with anti-skid protrusions A, and the inner sides of the bottom end surfaces of the two pressing blocks are welded with anti-skid protrusions B; the anti-skid protrusions B are of long strip-shaped structures, and the anti-skid protrusions A are of S-shaped structures, so that when the pressing blocks are pressed and attached to the fabric, the anti-skid efficiency can be improved through the S-shaped anti-skid protrusions A, the effect of straightening the fabric can be prevented through the long strip-shaped anti-skid protrusions B, and the stretching phenomenon at the position of a fabric port can be prevented; the connecting seat structure is connected in the sliding seat structure in a sliding manner; the connecting seat main body comprises cleaning blocks, the left end face and the right end face of the connecting seat main body are respectively welded with one cleaning block, a cleaning groove is formed in each of the two cleaning blocks, the cleaning blocks are of V-shaped structures, and when the connecting seat main body drives the cleaning blocks to move in the sliding seat, the cleaning blocks of the V-shaped structures form a moving convergence structure of falling fibers, so that the falling fibers can be automatically converged at a slag discharge hole and discharged in the moving process of the cleaning blocks; the main body seat is also provided with a limiting structure.

Further, the connecting seat structure includes connecting seat main part, slide bar, threaded rod, elastic component and nut, the welding of connecting seat main part top face has a slide bar, and still welds a threaded rod in the connecting seat main part.

Further, the main part piece cup joints on slide bar and threaded rod, and cup jointed an elastic component on the threaded rod to go back threaded connection on the threaded rod has a nut, and slide bar, threaded rod, elastic component, nut, main part piece and compact heap have constituteed the elasticity compact form structure with adjustable surface fabric jointly.

Furthermore, the sliding seat structure comprises a drawer box, a drawer, a sliding seat and a slag discharge hole, wherein the drawer box is fixedly connected to the main body seat through a bolt, and the drawer box is connected with the drawer in a sliding manner; the drawer box is characterized in that a sliding seat is welded on the top end face of the drawer box, a plurality of slag discharging holes are formed in the bottom end of the inner wall of the sliding seat in a rectangular array mode, and the slag discharging holes are communicated with the drawer.

Furthermore, the connecting seat main body also comprises a stress block, a sliding connecting seat and a handle, wherein the stress block is welded on the front end surface of the main body block, and the bottom end surface of the stress block is of an inclined structure; the sliding connecting seat is welded on the top end face of the connecting seat main body, and a handle is connected on the sliding connecting seat in a limiting and sliding manner; the handle head end is of a hemispherical structure and is in surface contact with the bottom end of the stress block, and when the handle is pushed backwards, the main body block drives the pressing block to be in a lifting state.

Furthermore, the limiting structure comprises two limiting blocks and two adjusting rods, and the two limiting blocks are connected in the sliding groove in a sliding manner;

furthermore, the adjusting rod is rotatably connected to the bottom end face of the main body seat, and the head end and the tail end of the adjusting rod are respectively in threaded connection with the two limiting blocks; the thread directions of the head end and the tail end of the adjusting rod are opposite, and when the adjusting rod is rotated, the two limiting blocks simultaneously move in opposite directions.

Furthermore, the top end faces of the limiting blocks are of an inclined structure, the two limiting blocks are symmetrically arranged, and a convergence groove is formed by the top end faces of the two limiting blocks.

Compared with the prior art, the invention has the following beneficial effects:

the improved pressing structure can realize the adjustable elastic pressing of fabrics with different thicknesses through improvement, and can prevent the stretching phenomenon from occurring at the fabric port after pressing, and the improved pressing structure is particularly as follows: firstly, the sliding rod, the threaded rod, the elastic piece, the nut, the main body block and the pressing block form an adjustable elastic pressing structure of the fabric, so that the fabric with different thicknesses can be elastically pressed; secondly, one antiskid lug A is welded on the outer side of the bottom end surfaces of the two pressing blocks, and one antiskid lug B is welded on the inner side of the bottom end surfaces of the two pressing blocks; the anti-slip bulge B is of a long strip-shaped structure, and the anti-slip bulge A is of an S-shaped structure, so that when the pressing block is pressed and tightly attached to the fabric, the anti-slip efficiency can be improved by the S-shaped anti-slip bulge A, the straight effect of the fabric can be prevented from being achieved by the long strip-shaped anti-slip bulge B, and the stretching phenomenon of the position of a port of the fabric can be prevented.

Improved the sliding seat structure, can realize through the improvement that the connecting seat main part is automatic to realize the fibrous clearance collection that drops at the slip in-process, specifically as follows: because of connecting seat main part left end face and right-hand member face all weld have a clean piece, and have all seted up a clean groove on two clean pieces to clean piece is V column structure, and the clean piece of V column structure has become the fibrous removal that drops and has assembled the structure when the connecting seat main part drives clean piece and removes in the sliding seat, thereby can collect the slag hole department and discharge the fibrous automation that drops at clean piece removal in-process.

The limiting structure is improved, the quick adjustment of the limiting structure can be realized through improvement, and the fabric is more convenient to place, and the structure is as follows: firstly, the head end and the tail end of the adjusting rod are respectively in threaded connection with two limiting blocks; the thread directions of the head end and the tail end of the adjusting rod are opposite, and when the adjusting rod is rotated, the two limiting blocks simultaneously move in opposite directions, so that the adjusting efficiency of the limiting blocks can be improved; and secondly, the top end faces of the limiting blocks are of an inclined structure, the two limiting blocks are symmetrically arranged, and the top end faces of the two limiting blocks jointly form a gathering groove, so that the convenience of placing the adjustable fabric is improved.

The handle structure is improved, the handle head end is of a hemispherical structure and contacts with the bottom end face of the stress block, and the main body block drives the pressing block to be in a lifting state when the handle is pushed backwards, so that the handle can simultaneously realize the movement of the pressing structure and the lifting and resetting of the pressing block.

Drawings

Fig. 1 is a schematic axial view of the present invention.

Fig. 2 is a schematic axial view of the present invention in another direction of fig. 1.

FIG. 3 is an enlarged axial view of the present invention with the body seat and the fabric removed.

Fig. 4 is an enlarged schematic view of fig. 3 a according to the present invention.

Fig. 5 is an enlarged view of the structure of fig. 3B according to the present invention.

Fig. 6 is a schematic view of the invention in partial section view after the limiting structure is removed from fig. 3.

Fig. 7 is an enlarged view of the structure of fig. 6 according to the present invention.

Fig. 8 is an enlarged view of fig. 6D according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a main body seat; 101. a sliding groove; 2. fabric; 3. a compression structure; 301. a main body block; 302. a compression block; 30201. an anti-slip bulge A; 30202. an anti-slip bulge B; 4. a connecting seat structure; 401. a connecting seat body; 40101. a cleaning block; 40102. a stress block; 40103. a sliding connection seat; 40104. a grip; 402. a slide bar; 403. a threaded rod; 404. an elastic member; 405. a nut; 5. a sliding seat structure; 501. a drawer box; 502. a drawer; 503. a sliding seat; 504. a slag discharge hole; 6. a limiting structure; 601. a limiting block; 602. and adjusting the rod.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 8:

the invention provides a fabric sewing auxiliary device for textile machinery, which comprises a main body seat 1; two pieces of fabric 2 are placed on the main body seat 1, a pressing structure 3 is pressed on the fabric 2, and the pressing structure 3 is connected with the connecting seat structure 4; referring to fig. 2, fig. 3 and fig. 5, the main body base 1 includes a sliding groove 101, and the main body base 1 is provided with a sliding groove 101 for slidably connecting the limiting structure 6; the pressing structure 3 comprises a main body block 301, pressing blocks 302, an antiskid projection A30201 and an antiskid projection B30202, wherein the two pressing blocks 302 are connected by welding through connecting rods, and the pressing blocks 302 are connected with the main body block 301 by welding; the outer sides of the bottom end surfaces of the two pressing blocks 302 are respectively welded with an anti-skid bump A30201, and the inner sides of the bottom end surfaces of the two pressing blocks 302 are respectively welded with an anti-skid bump B30202; the anti-skid protrusions B30202 are of a strip-shaped structure, and the anti-skid protrusions A30201 are of an S-shaped structure, so that when the pressing block 302 is pressed against the fabric 2, the anti-skid efficiency of the S-shaped anti-skid protrusions A30201 can be improved, and the strip-shaped anti-skid protrusions B30202 can prevent the fabric 2 from straightening, so that the stretching phenomenon at the port position of the fabric 2 can be prevented; the connecting seat structure 4 is connected in the sliding seat structure 5 in a sliding way; referring to fig. 6 and 7, the connecting seat main body 401 comprises cleaning blocks 40101, the left end face and the right end face of the connecting seat main body 401 are welded with the cleaning blocks 40101, the two cleaning blocks 40101 are provided with cleaning grooves, the cleaning blocks 40101 are in a V-shaped structure, when the connecting seat main body 401 drives the cleaning blocks 40101 to move in the sliding seat 503, the cleaning blocks 40101 of the V-shaped structure form a falling fiber movement gathering structure, and therefore the falling fibers can be automatically gathered at the residue discharge hole 504 and discharged in the movement process of the cleaning blocks 40101; the main body seat 1 is also provided with a limit structure 6.

Referring to fig. 6, the connecting seat structure 4 includes a connecting seat body 401, a sliding rod 402, a threaded rod 403, an elastic member 404 and a nut 405, the sliding rod 402 is welded to the top end surface of the connecting seat body 401, and the threaded rod 403 is also welded to the connecting seat body 401; the main body block 301 is sleeved on the sliding rod 402 and the threaded rod 403, the threaded rod 403 is sleeved with the elastic piece 404, the threaded rod 403 is further connected with the nut 405 in a threaded manner, and the sliding rod 402, the threaded rod 403, the elastic piece 404, the nut 405, the main body block 301 and the pressing block 302 jointly form an adjustable elastic pressing type structure of the fabric 2.

Referring to fig. 6, the sliding seat structure 5 includes a drawer box 501, a drawer 502, a sliding seat 503 and a slag discharge hole 504, the drawer box 501 is fixedly connected to the main body seat 1 by bolts, and the drawer box 501 is slidably connected with the drawer 502; the sliding seat 503 is welded on the top end face of the drawer box 501, the bottom end of the inner wall of the sliding seat 503 is provided with a plurality of slag discharging holes 504 in a rectangular array shape, and the slag discharging holes 504 are communicated with the drawer 502, so that collection of falling fibers in the sliding seat 503 in the sewing process can be realized.

Referring to fig. 6, the connecting seat main body 401 further includes a force bearing block 40102, a sliding connecting seat 40103 and a handle 40104, the force bearing block 40102 is welded on the front end face of the main body block 301, and the bottom end face of the force bearing block 40102 is an inclined structure; the sliding connection seat 40103 is welded on the top end face of the connection seat main body 401, and a handle 40104 is connected on the sliding connection seat 40103 in a limiting and sliding manner; the head end of handle 40104 is hemispherical structure, and handle 40104 head end and atress piece 40102 bottom end face contact, and main part piece 301 drives compact heap 302 and is the state of lifting up when pushing handle 40104 backward this moment to handle 40104 can realize simultaneously that compact structure 3 removes and realizes that compact heap 302 lifts up two purposes that reset.

Referring to fig. 3 and 4, the limiting structure 6 includes two limiting blocks 601 and two adjusting rods 602, and the two limiting blocks 601 are slidably connected in the sliding groove 101; the adjusting rod 602 is rotatably connected to the bottom end surface of the main body base 1, and the head end and the tail end of the adjusting rod 602 are respectively in threaded connection with the two limiting blocks 601; the thread directions of the head end and the tail end of the adjusting rod 602 are opposite, and when the adjusting rod 602 is rotated, the two limiting blocks 601 simultaneously move in opposite directions, so that the adjusting efficiency of the limiting blocks 601 can be improved.

Referring to fig. 3, the top end surfaces of the limiting blocks 601 are in an inclined structure, the two limiting blocks 601 are symmetrically arranged, and the top end surfaces of the two limiting blocks 601 jointly form a converging groove, so that the convenience of placing the fabric 2 can be adjusted.

The specific use mode and function of the embodiment are as follows:

when the adjustable fabric 2 is used, firstly, the head end and the tail end of the adjusting rod 602 are respectively in threaded connection with the two limiting blocks 601 when the fabric 2 is placed; the thread directions of the head end and the tail end of the adjusting rod 602 are opposite, when the adjusting rod 602 is rotated, the two limiting blocks 601 simultaneously move in opposite directions, and therefore the adjusting efficiency of the limiting blocks 601 can be improved; secondly, the top end surfaces of the limiting blocks 601 are of an inclined structure, the two limiting blocks 601 are symmetrically arranged, and the top end surfaces of the two limiting blocks 601 jointly form a convergence groove, so that the convenience of placing the fabric 2 can be adjusted;

during pressing, firstly, the sliding rod 402, the threaded rod 403, the elastic piece 404, the nut 405, the main body block 301 and the pressing block 302 form an adjustable elastic pressing type structure of the fabric 2, so that elastic pressing of the fabric 2 with different thicknesses can be realized; secondly, one antiskid bump A30201 is welded on the outer side of the bottom end surfaces of the two pressing blocks 302, and one antiskid bump B30202 is welded on the inner side of the bottom end surfaces of the two pressing blocks 302; the anti-skid protrusions B30202 are of a strip-shaped structure, and the anti-skid protrusions A30201 are of an S-shaped structure, so that when the pressing block 302 is pressed against the fabric 2, the anti-skid efficiency of the S-shaped anti-skid protrusions A30201 can be improved, and the strip-shaped anti-skid protrusions B30202 can prevent the fabric 2 from straightening, so that the stretching phenomenon at the port position of the fabric 2 can be prevented;

in the using process, firstly, because the left end face and the right end face of the connecting seat main body 401 are both welded with one cleaning block 40101, a cleaning groove is formed in each of the two cleaning blocks 40101, each cleaning block 40101 is of a V-shaped structure, when the connecting seat main body 401 drives the cleaning blocks 40101 to move in the sliding seat 503, the cleaning blocks 40101 of the V-shaped structures form a falling fiber moving and gathering structure, and therefore the falling fibers can be automatically gathered at the slag discharge hole 504 and discharged in the moving process of the cleaning blocks 40101; secondly, because of the half spherical structure of handle 40104 head end, and handle 40104 head end and atress piece 40102 bottom end face contact, main part piece 301 drives compact heap 302 and is the state of lifting up when pushing handle 40104 backward this moment to handle 40104 can realize simultaneously that compact structure 3 removes and realizes that compact heap 302 lifts up two purposes that reset.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a surface fabric sewing auxiliary device for textile machinery which characterized in that: comprises a main body seat (1); the two fabrics (2) are placed on the main body seat (1), the pressing structures (3) are pressed on the fabrics (2), and the pressing structures (3) are connected with the connecting seat structures (4); the main body seat (1) comprises a sliding groove (101), the main body seat (1) is also provided with a limiting structure (6), and the main body seat (1) is provided with the sliding groove (101) for the sliding connection of the limiting structure (6); the pressing structure (3) comprises a main body block (301), pressing blocks (302), an anti-skid protrusion A (30201) and an anti-skid protrusion B (30202), wherein the two pressing blocks (302) are connected through connecting rods in a welded mode, and the pressing blocks (302) are connected with the main body block (301) in a welded mode; the outer sides of the bottom end surfaces of the two pressing blocks (302) are respectively welded with an antiskid projection A (30201), and the inner sides of the bottom end surfaces of the two pressing blocks (302) are respectively welded with an antiskid projection B (30202); the anti-skid protrusion B (30202) is of a long strip structure, and the anti-skid protrusion A (30201) is of an S-shaped structure; the connecting seat structure (4) is connected in the sliding seat structure (5) in a sliding way; connecting seat main part (401) are including clean piece (40101), connecting seat main part (401) left end face and right-hand member face all weld have a clean piece (40101), and have all seted up a clean groove on two clean pieces (40101), and clean piece (40101) are V column structure, and the fibrous removal that drops that has been constituteed when connecting seat main part (401) drive clean piece (40101) remove in sliding seat (503) clean piece (40101) of V column structure assembles the structure.

2. A fabric sewing assist device for textile machinery as defined in claim 1, wherein: the connecting seat structure (4) comprises a connecting seat main body (401), a sliding rod (402), a threaded rod (403), an elastic piece (404) and a nut (405), wherein the sliding rod (402) is welded on the top end face of the connecting seat main body (401), and the threaded rod (403) is further welded on the connecting seat main body (401).

3. A fabric sewing assist device for textile machinery as defined in claim 2, wherein: the adjustable elastic compression structure is characterized in that the main body block (301) is sleeved on the sliding rod (402) and the threaded rod (403), the threaded rod (403) is sleeved with the elastic piece (404), the threaded rod (403) is further connected with the nut (405) in a threaded manner, and the sliding rod (402), the threaded rod (403), the elastic piece (404), the nut (405), the main body block (301) and the compression block (302) jointly form the adjustable elastic compression structure of the fabric (2).

4. A fabric sewing assist device for textile machinery as defined in claim 1, wherein: the sliding seat structure (5) comprises a drawer box (501), a drawer (502), a sliding seat (503) and a slag discharge hole (504), the drawer box (501) is fixedly connected to the main body seat (1) through bolts, and the drawer (502) is connected in the drawer box (501) in a sliding mode; the top end face of the drawer box (501) is welded with a sliding seat (503), the bottom end of the inner wall of the sliding seat (503) is provided with a plurality of slag discharging holes (504) in a rectangular array shape, and the slag discharging holes (504) are communicated with the drawer (502).

5. A fabric sewing assist device for textile machinery as defined in claim 2, wherein: the connecting seat main body (401) further comprises a stress block (40102), a sliding connecting seat (40103) and a handle (40104), the stress block (40102) is welded on the front end face of the main body block (301), and the bottom end face of the stress block (40102) is of an inclined structure; the sliding connection seat (40103) is welded on the top end face of the connection seat main body (401), and a handle (40104) is connected on the sliding connection seat (40103) in a limiting and sliding manner; the head end of the handle (40104) is of a hemispherical structure, the head end of the handle (40104) is in surface contact with the bottom end of the stress block (40102), and when the handle (40104) is pushed backwards, the main body block (301) drives the pressing block (302) to be in a lifting state.

6. A fabric sewing assist device for textile machinery as defined in claim 1, wherein: limiting structure (6) include stopper (601) and adjust pole (602), stopper (601) are equipped with two altogether, and two equal sliding connection of stopper (601) are in sliding tray (101).

7. A fabric sewing assist device for textile machinery as defined in claim 6, wherein: the adjusting rod (602) is rotatably connected to the bottom end face of the main body seat (1), and the head end and the tail end of the adjusting rod (602) are respectively in threaded connection with the two limiting blocks (601); the thread directions of the head end and the tail end of the adjusting rod (602) are opposite, and when the adjusting rod (602) is rotated, the two limiting blocks (601) are in a reverse moving state at the same time.

8. A fabric sewing assist device for textile machinery as defined in claim 7, wherein: the top end faces of the limiting blocks (601) are of an inclined structure, the two limiting blocks (601) are symmetrically arranged, and a convergence groove is formed by the top end faces of the two limiting blocks (601) together.