CN112831927B

CN112831927B - Sewing machine capable of automatically feeding cloth

Info

Publication number: CN112831927B
Application number: CN202110013080.4A
Authority: CN
Inventors: 张玉妹
Original assignee: Zhejiang Junma Vehicle Co ltd
Current assignee: Zhejiang Junma Vehicle Co ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2022-05-31
Anticipated expiration: 2041-01-06
Also published as: CN112831927A

Abstract

The invention discloses a sewing machine capable of automatically feeding cloth, which structurally comprises a base, a rack, a workbench, a placing frame, a cross beam, a machine head and a cloth feeding structure, wherein the rack is vertically arranged at the upper end of the base; the pressing structure is arranged at the upper end of the driving roller, the stacking position of the cloth is limited up and down, the pressing is flatter, the flatness before the cloth is sewn is guaranteed, and the attractiveness of the cloth sewing is improved.

Description

Sewing machine capable of automatically feeding cloth

Technical Field

The invention belongs to the field of sewing, and particularly relates to a sewing machine capable of automatically feeding cloth.

Background

The sewing machine is mainly a machine which interweaves or sews cloth by utilizing sewing threads, comprises the stacking sewing of a plurality of pieces of cloth, and in order to accelerate the sewing speed, the sewing machine which automatically conveys the cloth is derived, and when the cloth is automatically fed, the cloth is sewn, so that the connection of the cloth is completed, but the prior art has the following defects:

because the opening is arranged in the middle of the stacking sewing between the two pieces of cloth, when the cloth is automatically fed, the stress on the middle and the two sides is uneven, the relative sliding between the pieces of cloth is caused, the inclination and even the gathering of wrinkles occur, and then when the cloth is sewn, the sewing between the pieces of cloth is uneven, and the sewing attractiveness of the cloth is influenced.

The application provides a sewing machine capable of automatically feeding cloth, which improves the defects.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a sewing machine capable of automatically feeding cloth, which solves the problems that in the prior art, because an opening exists in the middle of the stacking and sewing between two pieces of cloth, when the cloth is automatically fed, the middle and two sides of the cloth are unevenly stressed, relative sliding between the pieces of cloth is caused, and the cloth is inclined or even gathered to form wrinkles, so that the sewing between the pieces of cloth is uneven when the cloth is sewn, and the sewing attractiveness of the cloth is influenced.

In order to achieve the purpose, the invention is realized by the following technical scheme: a sewing machine capable of automatically feeding cloth structurally comprises a base, a rack, a workbench, a placing frame, a cross beam, a machine head and a cloth feeding structure, wherein the rack is vertically arranged at the upper end of the base and is in mechanical connection; the cloth feeding structure comprises an embedded plate, a guide roller, a driving frame, a transverse plate and a conveying structure, wherein the guide roller is embedded in the upper end of the inner side of the embedded plate and connected with the embedded plate through a hinge, the driving frame is horizontally arranged on the upper end of the embedded plate and positioned above the guide roller, the transverse plate is horizontally arranged between the driving frame and the conveying structure and connected with the conveying structure through a machine, and the conveying structure is embedded in the upper end of the inner side of the embedded plate and fixed at the lower end of the transverse plate through a bolt.

The conveying structure further comprises a driving roller, a notch, a driven belt, a machine body and a pressing structure, wherein the notch is formed in the upper end of the driving roller and is of an integrated structure, the driven belt is embedded and installed inside the machine body and is movably connected, the pressing structure is embedded and installed at the bottom of the inner side of the machine body and is arranged above the driving roller, and the driven belt is arranged on two sides of the pressing structure.

The invention is further improved, the driving roller comprises a driving shaft, a roller body, a convex thorn structure and a balancing weight, the driving shaft penetrates through the inner side of the roller body and is clamped, the convex thorn structure is embedded and installed on the inner side of the roller body and is movably connected, and the balancing weight is installed on the outer side of the convex thorn structure and is connected with the convex thorn structure through a hinge.

The invention is further improved, the convex thorn structure comprises a guide frame, a guide block, a movable block, a convex thorn and an inner spring, the guide block is arranged on the outer side of the movable block and welded with the guide block, the guide block is embedded into the inner side of the guide frame and movably connected, the convex thorn is vertically arranged at the upper end of the movable block and fixedly connected, the inner spring is arranged on the inner side of the guide frame and abuts against the lower end of the movable block, and the balancing weight is arranged on the outer side of the movable block and connected by a hinge.

The invention is further improved, the pressing structure comprises an outer shaft, transmission discs, a pushing frame, a conveying belt and a pressing opening, the outer shaft is arranged on the outer sides of the transmission discs and is connected through a hinge, the pushing frame is embedded between the transmission discs and is movably connected, the conveying belt is meshed with the outer sides of the transmission discs and abuts against the lower ends of the pushing frame, and the pressing opening is arranged at the lower end of the conveying belt and is of an integrated structure.

The invention is further improved, the conveying belt comprises movable belts, linkage belts, limiting plates and a pressing structure, the movable belts are embedded in the linkage belts and are of an integrated structure, the limiting plates are arranged on the outer sides of the linkage belts and are fixedly connected, and the pressing structure is movably connected between the linkage belts and is provided with the limiting plates on the inner sides.

The invention is further improved, the pressing structure comprises a movable frame, a return spring, an outer plate and pricking pins, the return spring is embedded and installed on the inner side of the movable frame and abuts against the upper end of the limiting plate, the movable frame is vertically embedded and installed on the inner side of the outer plate and communicated with the inner side of the outer plate, the pricking pins are fixed on the outer side of the outer plate and uniformly distributed, and the movable frame is installed among the linkage belts and is movably connected with the linkage belts.

The invention is further improved, the outer plate is of an arc-shaped structure, the felting needles at the upper end are distributed in an arc-shaped arrangement, and the movable frame and the outer plate are matched and oppositely provided with a plurality of groups and are uniformly distributed at the outer side of the linkage belt.

According to the technical scheme, the sewing machine capable of automatically feeding cloth has the following beneficial effects:

the invention sets a conveying structure at the lower end of the transverse plate, the driving shaft drives the roller body to rotate, the outside convex thorn structure rotates and is acted by the balancing weight to move, the balancing weight keeps a horizontal downward state and the centrifugal force during rotation, so that the guide block outside the movable block moves at the inner side of the guide frame to compress or stretch the inner spring, the outside convex thorn enters or leaves the cloth to be limited or separated, the periphery of the cloth is limited while the cloth stacking part is limited by puncturing, the position of the cloth before sewing is better fixed, and the sewing between the cloths is ensured.

According to the invention, the pressing structure is arranged at the upper end of the driving roller, the conveying belt moves outwards along with the driving roller under the pushing of the pushing frame, so that the pressing structure is acted, the outer plate drives the movable frame to move downwards to compress the return spring at the inner side, so that the return spring is contacted with the cloth, the pricking pin penetrates into the inner side of the cloth, the pressing structure between the linkage belts is further moved along with the driving of the movable belt, the cloth at the lower end moves along with the movable frame, the stacking part of the cloth is limited up and down, the pressing is flatter, the flatness of the cloth before sewing is ensured, and the aesthetic degree of sewing of the cloth is improved.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view showing the structure of an automatic cloth feeding sewing machine according to the present invention;

FIG. 2 is a schematic structural view of a cloth feeding structure of the present invention;

FIG. 3 is a schematic structural view of a conveying structure according to the present invention;

FIG. 4 is a schematic view of the construction of the drive roller of the present invention;

FIG. 5 is a schematic structural view of a spur structure of the present invention;

FIG. 6 is a schematic view of a pressed structure according to the present invention;

FIG. 7 is a schematic view of the conveyor belt of the present invention;

fig. 8 is a schematic structural view of the pressing structure of the present invention.

In the figure: base-1, frame-2, workbench-3, placing frame-4, beam-5, machine head-6, cloth feeding structure-7, embedded plate-71, guide roller-72, driving frame-73, transverse plate-74, conveying structure-75, driving roller-751, notch-752, driven belt-753, machine body-754, pressing structure-755, driving shaft-51 a, roller body-51 b, spur structure-51 c, balancing weight-51 d, guide frame-c 1, guide block-c 2, movable block-c 3, spur-c 4, inner spring-c 5, outer shaft-55 a, driving disc-55 b, pushing frame-55 c, conveying belt-55 d, pressing opening-55 e, movable belt-d 1, The device comprises a linkage belt-d 2, a limit plate-d 3, a pressing structure-d 4, a movable frame-d 41, a return spring-d 42, an outer plate-d 43 and a puncture needle-d 44.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

The first embodiment is as follows: referring to fig. 1-5, the embodiments of the present invention are as follows:

the automatic cloth feeding device structurally comprises a base 1, a rack 2, a workbench 3, a placing frame 4, a cross beam 5, a machine head 6 and a cloth feeding structure 7, wherein the rack 2 is vertically arranged at the upper end of the base 1 and is in mechanical connection, the workbench 3 is horizontally arranged at the upper end of the rack 2 and is welded with the upper end of the rack, the lower end of the placing frame 4 is embedded in the inner side of the workbench 3 and is in threaded connection, the cross beam 5 is horizontally arranged at the upper end of the workbench 3 and is in mechanical connection, the machine head 6 is embedded in the front end of the inner side of the cross beam 5 and is clamped with the front end of the inner side of the cross beam 5, and the cloth feeding structure 7 is horizontally arranged at the upper end of the workbench 3 and is positioned below the machine head 6; the cloth feeding structure 7 comprises an embedded plate 71, a guide roller 72, a driving frame 73, a transverse plate 74 and a conveying structure 75, wherein the guide roller 72 is embedded and installed at the upper end of the inner side of the embedded plate 71 and is connected by a hinge, the driving frame 73 is horizontally installed at the upper end of the embedded plate 71 and is positioned above the guide roller 72, the transverse plate 74 is horizontally installed between the driving frame 73 and the conveying structure 75 and is connected mechanically, and the conveying structure 75 is embedded at the upper end of the inner side of the embedded plate 71 and is fixed at the lower end of the transverse plate 74 through a bolt.

Referring to fig. 3, the conveying structure 75 includes a driving roller 751, a notch 752, a driven belt 753, a body 754, and a pressing structure 755, wherein the notch 752 is provided at an upper end of the driving roller 751 and is an integrated structure, the driven belt 753 is inserted into the body 754 and is movably connected, the pressing structure 755 is inserted into a bottom portion of the body 754 and is provided above the driving roller 751, the driven belt 753 is provided at both sides of the pressing structure 755, and the pressing structure restricts a sewing end and limits a stacking portion, thereby better performing sewing.

Referring to fig. 4, the driving roller 751 comprises a driving shaft 51a, a roller body 51b, a spur structure 51c, and a weight 51d, wherein the driving shaft 51a penetrates through the inner side of the roller body 51b and is clamped, the spur structure 51c is embedded in the inner side of the roller body 51b and is movably connected, the weight 51d is installed on the outer side of the spur structure 51c and is connected by a hinge, and the lower end of the weight limits the position of the cloth and moves and conveys the cloth.

Referring to fig. 5, the spur structure 51c includes a guide frame c1, a guide block c2, a movable block c3, a spur c4, and an inner spring c5, the guide block c2 is mounted on the outer side of the movable block c3 and welded thereto, the guide block c2 is embedded in the inner side of the guide frame c1 and movably connected thereto, the spur c4 is vertically mounted on the upper end of the movable block c3 and fixedly connected thereto, the inner spring c5 is mounted on the inner side of the guide frame c1 and abuts against the lower end of the movable block c3, and the counter weight 51d is mounted on the outer side of the movable block c3 and hinged thereto, and the position of the spur c4 is adjusted according to the rotated position to leave or enter the cloth, so as to better limit the transportation.

Based on the above embodiment, the specific working principle is as follows:

two pieces of cloth to be sewn are placed at the upper end of the cloth feeding structure 7, the stacked part of the two pieces of cloth is inserted into the conveying structure 75, the other ends of the two pieces of cloth are respectively inserted into the driving frames 73 at the two sides, the work can be started, the conveying structure 75 is driven along with the movement of the driving frames 73 at the two sides, then the cloth enters the notch 752, the driving roller 751 drives the driving shaft 51a to rotate the roller body 51b, the outer protruding thorn structure 51c rotates and is acted by the counterweight block 51d to move, the guide block c2 at the outer side of the movable block c3 moves at the inner side of the guide frame c1 due to the horizontal downward state of the counterweight block 51d and the centrifugal force during rotation, so as to compress or stretch the inner spring c5, and the outer protruding thorn c4 enters or leaves the cloth to be limited or separated, and then the cloth is continuously and circularly worked, so that the cloth is limited and simultaneously is driven to horizontally move forwards to be fed into the lower end of the machine head 6, and the sewing work is carried out, so that the circular work is carried out.

Example two: referring to fig. 3, 6-8, the embodiment of the present invention is as follows:

the conveying structure 75 comprises a driving roller 751, a notch 752, a driven belt 753, a machine body 754 and a pressing structure 755, wherein the notch 752 is arranged at the upper end of the driving roller 751 and is of an integrated structure, the driven belt 753 is embedded and installed inside the machine body 754 and is movably connected, the pressing structure 755 is embedded and installed at the bottom inside the machine body 754 and is arranged above the driving roller 751, and the driven belt 753 is arranged at two sides of the pressing structure 755.

Referring to fig. 6, the pressing structure 755 includes an outer shaft 55a, a transmission disc 55b, a pushing frame 55c, a conveying belt 55d, and a pressing opening 55e, the outer shaft 55a is mounted outside the transmission disc 55b and is connected by a hinge, the pushing frame 55c is embedded between the transmission discs 55b and is movably connected, the conveying belt 55d is engaged outside the transmission disc 55b and abuts against the lower end of the pushing frame 55c, and the pressing opening 55e is provided at the lower end of the conveying belt 55d and is an integrated structure, and is in contact with the stacked cloth and is pressed and limited, so as to ensure the flatness of the stacked portion.

Referring to fig. 7, the conveying belt 55d includes a movable belt d1, a linkage belt d2, a limiting plate d3 and a pressing structure d4, the movable belt d1 is embedded in the linkage belt d2 and is of an integrated structure, the limiting plate d3 is installed on the outer side of the linkage belt d2 and is fixedly connected, the pressing structure d4 is movably connected between the linkage belts d2, the limiting plate d3 is arranged on the inner side of the pressing structure d4, and the pressing structure d4 keeps in contact with the outer side of the cloth while moving integrally, so that the sliding of the cloth is limited.

Referring to fig. 8, the pressing structure d4 includes a movable frame d41, a return spring d42, an outer plate d43 and a spike d44, the return spring d42 is embedded inside the movable frame d41 and abuts against the upper end of a limit plate d3, the movable frame d41 is vertically embedded inside the outer plate d43 and is communicated with the outer plate d43, the spike d44 is fixed outside the outer plate d43 and is uniformly distributed, and the movable frame d41 is installed between the linkage belts d2 and is movably connected to enable the linkage belts d2 to pierce through the cloth, thereby increasing the limited area and further maintaining the position of the linkage belts.

Referring to fig. 7-8, the outer plate d43 is an arc structure and the needles d44 at the upper end are distributed in an arc arrangement, the movable frame d41 and the outer plate d43 are provided with multiple groups and are uniformly distributed at the outer side of the linkage belt d2 in a matching manner, so that switching limitation is formed, and the needles d44 at the lower ends of different outer plates d43 are limited and conveyed in turn, thereby ensuring the position of cloth stacking.

Based on the above embodiment, the specific working principle is as follows:

when the conveying structure 75 conveys the cloth, the cloth passes through the notch 752 and is driven by the driving roller 751, the driven belt 753 moves along with the cloth, the pressing structure 755 at the upper end also abuts against the upper end of the cloth, the conveying belt 55d moves outwards along with the cloth under the pushing of the pushing frame 55c, so that the pressing structure d4 is acted, the outer plate d43 drives the movable frame d41 to move downwards to compress the return spring d42 at the inner side, and further to be contacted with the cloth, the needle d44 penetrates into the inner side of the cloth, further, the pressing structure d4 between the linkage belts d2 is moved along with the driving of the movable belt d1, the cloth at the lower end moves along with the movement, and when the movable belt d1 turns upwards, the pressing structure d4 moves upwards along with the needle d44, so that the limitation on the cloth is removed, and sewing is performed, and thus the cycle operation is performed.

The invention solves the problems that in the prior art, when automatic feeding is carried out due to the opening in the middle of the stacking sewing between two pieces of cloth, the stress on the middle and two sides is uneven, so that the relative sliding between the pieces of cloth is caused, the relative sliding is caused, the cloth is inclined and even gathered to be folded, and further, when sewing is carried out, the sewing among the pieces of cloth is uneven, and the sewing attractiveness of the cloth is influenced, through the mutual combination of the parts, the conveying structure is arranged at the lower end of the transverse plate, the driving shaft drives the roller body to rotate, the convex thorn structure at the outer side rotates and is acted by the balancing weight to move, and as the balancing weight keeps a horizontal downward state and the centrifugal force during rotation, the guide block at the outer side of the movable block moves at the inner side of the guide frame, so as to compress or stretch the inner spring, and the convex thorn at the outer side can enter or leave the piece of the cloth to be limited or separated along with the guide block, the periphery of the cloth stacking part is limited while the cloth stacking part is penetrated and limited, so that the position of the cloth stacking part before sewing is better fixed, and the sewing between the cloth is ensured; the pressing structure is arranged on the upper end of the driving roller, the conveying belt moves outwards along with the driving roller under the pushing of the pushing frame, the pressing structure is enabled to be acted, the outer plate drives the movable frame to move downwards to compress the inner reset spring, the outer plate is further contacted with the cloth, the pricking pin is arranged on the inner side of the cloth, the pressing structure between the linkage belts is further enabled to move along with the driving of the movable belt, the cloth at the lower end moves along with the moving structure, the stacking position of the cloth is limited up and down, the pressing is more flat, the flatness of the cloth before sewing is guaranteed, and the attractiveness of cloth sewing is improved.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A sewing machine capable of automatically feeding cloth structurally comprises a base (1), a rack (2), a workbench (3), a placing frame (4), a cross beam (5), a machine head (6) and a cloth feeding structure (7), wherein the rack (2) is vertically arranged at the upper end of the base (1), the workbench (3) is horizontally arranged at the upper end of the rack (2), the lower end of the placing frame (4) is embedded and arranged at the inner side of the workbench (3), the cross beam (5) is horizontally arranged at the upper end of the workbench (3), the machine head (6) is embedded and arranged at the front end of the inner side of the cross beam (5), and the cloth feeding structure (7) is horizontally arranged at the upper end of the workbench (3); the method is characterized in that: the cloth feeding structure (7) comprises an embedded plate (71), a guide roller (72), a driving frame (73), a transverse plate (74) and a conveying structure (75), wherein the guide roller (72) is embedded and mounted at the upper end of the inner side of the embedded plate (71), the driving frame (73) is horizontally mounted at the upper end of the embedded plate (71), the transverse plate (74) is horizontally mounted between the driving frame (73) and the conveying structure (75), the conveying structure (75) is embedded at the upper end of the inner side of the embedded plate (71), the conveying structure (75) comprises a driving roller (751), a notch (752), a driven belt (753), a machine body (754) and a pressing structure (755), the notch (752) is arranged at the upper end of the driving roller (751), the driven belt (753) is embedded and mounted at the inner side of the machine body (754), the pressing structure (755) is embedded and mounted at the bottom of the inner side of the machine body (754), and the driven belt (753) is arranged at two sides of the pressing structure (755), the driving roller (751) comprises a driving shaft (51a), a roller body (51b), a convex thorn structure (51c) and a balancing weight (51d), wherein the driving shaft (51a) penetrates through the inner side of the roller body (51b), the convex thorn structure (51c) is embedded and installed on the inner side of the roller body (51b), the balancing weight (51d) is installed on the outer side of the convex thorn structure (51c), the convex thorn structure (51c) comprises a guide frame (c1), a guide block (c2), a movable block (c3), a convex thorn (c4) and an inner spring (c5), the guide block (c2) is installed on the outer side of the movable block (c3), the guide block (c2) is embedded on the inner side of the guide frame (c1), the convex thorn (c4) is vertically installed on the upper end of the movable block (c3), the inner spring (c5) is arranged on the inner side of the guide frame (c1), the balancing weight (51d) is installed on the outer side of the movable block (c3), and the pressing structure (55a) comprises an outer shaft (755 a), Drive plate (55b), propelling frame (55c), conveyer belt (55d), suppression mouth (55e), outer axle (55a) is installed in drive plate (55b) outside, propelling frame (55c) is embedded between drive plate (55b), conveyer belt (55d) is meshed in drive plate (55b) outside, suppression mouth (55e) is located conveyer belt (55d) lower extreme, conveyer belt (55d) is including activity area (d1), linkage area (d2), limiting plate (d3), pressure structure (d4), activity area (d1) embedding is installed in linkage area (d2) inboard, limiting plate (d3) is installed in linkage area (d2) outside, pressure structure (d4) swing joint is between linkage area (d2), pressure structure (d4) is including activity frame (d41), reset spring (d42), planking (d43), felting needle (d44), the reset spring (d42) is embedded in the inner side of the movable frame (d41), the movable frame (d41) is vertically embedded in the inner side of the outer plate (d43), the puncture needles (d44) are fixed on the outer side of the outer plate (d43), the movable frame (d41) is installed between the linkage belts (d2), the outer plate (d43) is of an arc structure, the puncture needles (d44) at the upper end are distributed in an arc arrangement mode, and the movable frame (d41) and the outer plate (d43) are matched and uniformly distributed on the outer side of the linkage belt (d 2); two pieces of cloth to be sewn are placed at the upper end of a cloth feeding structure (7), the stacked part of the cloth is inserted into a conveying structure (75), the other ends of the two pieces of cloth are respectively inserted into driving frames (73) at two sides, the work can be started, the conveying structure (75) is driven along with the movement of the driving frames (73) at two sides, then the cloth enters a notch (752) and is driven by a driving roller (751), a driving shaft (51a) drives a roller body (51b) to rotate, the convex thorn structure (51c) at the outer side rotates and is acted by a balancing weight (51d) to move, the balancing weight (51d) keeps a horizontal downward state and the centrifugal force during rotation, so that a guide block (c2) at the outer side of a movable block (c3) moves on the inner side of a guide frame (c1) to compress or stretch an inner spring (c5), the outer convex thorn (c4) is driven to move horizontally forward to be fed into the lower end of the machine head (6) for sewing, when the conveying structure (75) conveys the cloth, the cloth passes through the notch (752) and is driven by the driving roller (751), the driven belt (753) moves along with the cloth, the pressing structure (755) at the upper end is also abutted against the upper end of the cloth, the conveying belt (55d) moves outwards along with the pushing of the pushing frame (55c), the pressing structure (d4) is acted, the outer plate (d43) drives the movable frame (d41) to move downwards to compress the inner return spring (d42) and further contact with the cloth, the puncture needle (d44) penetrates into the inner side of the cloth, and the movable belt (d1) is driven to enable the pressing structure (d4) between the d2) to move along with the movable belt (d 3538) The cloth at the lower end moves along with the cloth, and when the movable belt (d1) turns upwards, the pressing structure (d4) turns upwards to retract the puncture needle (d 44).