阅读说明：本技术 一种罗纹圆领自动缝纫机的进料机构 (Feeding mechanism of automatic rib collar sewing machine ) 是由 张详云 于 2019-09-30 设计创作，主要内容包括：本发明公开了一种罗纹圆领自动缝纫机的进料机构,包括机架、用于放置罗纹布卷的料卷盘,沿罗纹布输送方向设有竖直的拉布引导杆、作用于拉出罗纹中心线位置的顶布轮组件、将拉出罗纹布两侧边缘沿中心位置折叠的拉筒组件。(The invention discloses a feeding mechanism of a rib circular collar automatic sewing machine, which comprises a rack, a material reel for placing a rib fabric roll, a vertical cloth pulling guide rod arranged along the conveying direction of rib fabric, a cloth pushing wheel component acting on the position of the central line of a pulled rib fabric, and a pull cylinder component for folding the edges of two sides of the pulled rib fabric along the central position.)

1. The utility model provides a rib circle neck automatic sewing machine's feed mechanism, includes frame (1), is used for placing material reel (11) of rib fabric book, characterized by: a vertical cloth pulling guide rod (2), a cloth pushing wheel component acting on the position of the central line of the pulled rib cloth and a pulling cylinder component folding the edges of the two sides of the pulled rib cloth along the central position are arranged along the conveying direction of the rib cloth.

2. The feed mechanism of claim 1, wherein: frame (1) be fixed with first mounting panel (21) and second mounting panel (22), be equipped with many dead levers (23) between first mounting panel (21) and second mounting panel (22), draw the both ends of cloth guide bar (2) to rotate with first mounting panel (21) and second mounting panel (22) respectively and be connected.

3. The feed mechanism of claim 2, wherein: the second mounting plate (22) is provided with an induction connecting plate (24) and an inductor (25); one end of the induction connecting plate (24) is rotatably connected with the second mounting plate (22), and the other end of the induction connecting plate is coupled with the inductor (25); first mounting panel (21) and second mounting panel (22) between be equipped with response pole (26), first mounting panel (21) and second mounting panel (22) system have arc spout (27) respectively, response pole (26) slide to be set up in the spout of first mounting panel (21) and second mounting panel (22), the tip of response pole (26) is connected with the middle part of response connecting plate (24).

4. The feed mechanism of claim 1, wherein: the cloth-pushing wheel assembly comprises a cloth-pushing wheel mounting seat (31), a cloth-pushing wheel mounting rod (32) is fixed in the cloth-pushing wheel mounting seat (31), and a cloth-pushing wheel (3) capable of rotating is arranged at the end of the cloth-pushing wheel mounting rod (32).

5. The feed mechanism of claim 4, wherein: the number of the top cloth wheel assemblies is two to five, and the top cloth wheels (3) are arranged in a fan shape along the central line of the rib cloth.

6. The feed mechanism of claim 1, wherein: the pull cylinder assembly comprises a pull cylinder mounting plate (4), and a first pull cylinder part (41) fixedly mounted and a second pull cylinder part (42) slidably mounted are arranged above the pull cylinder mounting plate (4); a first synchronous wheel (43), a second synchronous wheel (44), a pull cylinder driving synchronous belt (45) and a pull cylinder adjusting motor (46) for driving the first synchronous wheel (43) are arranged below the pull cylinder mounting plate (4); the second pull cylinder part (42) is connected with the pull cylinder driving synchronous belt (45) through a driving connecting plate (47); and a pull cylinder adjusting guide rail (48) for guiding the driving connecting plate (47) to slide is arranged on the pull cylinder mounting plate (4).

7. The feed mechanism of claim 1, wherein: a compensation component is arranged at an output port of the pull cylinder component; the filling-up component comprises a filling-up cylinder (5) fixed on the frame (1) and a filling-up plate (51) capable of moving up and down; the filling plate (51) is connected with a piston rod of the filling cylinder (5).

Technical Field

The invention relates to an industrial sewing machine, in particular to an automatic rib circular collar sewing machine for automatically feeding, cutting and sewing rib circular collars.

Background

The material used for processing the round collar has high elasticity and very soft material, and the existing processing procedures can only be cut, spliced and sewn manually. In the automatic processing practice of round collar, the feeding of round collar is through adopting the feeding gyro wheel to defeated the material, because soft material and great elasticity, at the feeding and the folding in-process of round collar material, can't carry out accurate control to feeding length, causes processingquality not to conform to the requirement.

The invention patent with the patent number of 201910177586.1 discloses a round collar splicing sewing machine, which comprises a workbench, wherein a primary feeding mechanism, a secondary feeding mechanism, a feeding and cutting mechanism, a pulling and folding mechanism, a sewing mechanism and a material receiving mechanism are arranged on the workbench; the feeding and cutting mechanism comprises a feeding mounting plate, the feeding mounting plate is provided with a feeding roller mounting groove, and a first feeding roller driven by a first feeding motor is arranged in the feeding roller mounting groove; the feeding mounting plate is provided with a vertical cutting mounting plate, one side of the cutting mounting plate is provided with a first feeding auxiliary wheel matched with the first feeding roller, and the other side of the cutting mounting plate is provided with a cutter capable of moving up and down; the material pulling and folding mechanism comprises a material clamping assembly and a moving driving assembly, wherein the material clamping assembly is used for clamping the end part of the strip-shaped round collar material from the output port of the feeding and cutting mechanism, and the moving driving assembly is used for driving the material clamping assembly to move from the output port and pull out the strip-shaped round collar material with a certain length and then stack the clamping end part at the output port. According to the technology, the rib fabric is rolled, paved and fed, firstly, the rib fabric is cut into a round collar strip shape through a feeding and cutting mechanism, then, the two ends of the rib fabric are spliced and folded through a material pulling and folding mechanism, and finally, the single round collar is sewn. Because the rib fabric has too large elasticity, the length and the position of the rib fabric cannot be accurately controlled after the rib fabric is cut into single round collar strips, and a material conveying error can be caused in the conveying process.

Disclosure of Invention

The invention provides a feeding mechanism of an automatic rib collar sewing machine, aiming at the technical problems of large width, soft texture, large elasticity and difficult folding along a central line of a long roll rib, so that the vertical feeding and the middle line folding of a rib fabric long roll are realized, and the efficiency of splicing and sewing the circular collar is improved.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a rib circle neck automatic sewing machine's feed mechanism, includes the frame, is used for placing the material reel that the rib fabric was rolled up, is equipped with vertical granny rag guide bar, acts on the top cloth wheel subassembly that draws out rib central line position, will draw out rib fabric both sides edge along the central point and put folding slide subassembly along rib fabric direction of delivery.

In order to optimize the technical scheme, the invention also comprises the following improved technical scheme.

The frame is fixed with a first mounting plate and a second mounting plate, a plurality of fixed rods are arranged between the first mounting plate and the second mounting plate, and two ends of the cloth pulling guide rod are respectively connected with the first mounting plate and the second mounting plate in a rotating mode.

The second mounting plate is provided with an induction connecting plate and an inductor; one end of the induction connecting plate is rotatably connected with the second mounting plate, and the other end of the induction connecting plate is coupled with the inductor; be equipped with the response pole between first mounting panel and the second mounting panel, first mounting panel and second mounting panel system have the arc spout respectively, and the response pole slides and sets up in the spout of first mounting panel and second mounting panel, and the tip of response pole is connected with the middle part of response connecting plate.

The cloth pushing wheel assembly comprises a cloth pushing wheel mounting seat, a cloth pushing wheel mounting rod is fixed in the cloth pushing wheel mounting seat, and a cloth pushing wheel capable of rotating is arranged at the end of the cloth pushing wheel mounting rod.

The number of the cloth-jacking wheel assemblies is two to five, and the cloth-jacking wheels are arranged in a fan shape along the position of the central line of the rib cloth.

The pull cylinder assembly comprises a pull cylinder mounting plate, wherein a first pull cylinder part fixedly mounted and a second pull cylinder part slidably mounted are arranged above the pull cylinder mounting plate; a first synchronous wheel, a second synchronous wheel, a pull cylinder driving synchronous belt and a pull cylinder adjusting motor for driving the first synchronous wheel are arranged below the pull cylinder mounting plate; the second pull cylinder part is connected with a pull cylinder driving synchronous belt through a driving connecting plate; and the pull cylinder mounting plate is provided with a pull cylinder adjusting guide rail for guiding the driving connecting plate to slide.

A compensation component is arranged at the output port of the pull cylinder component; the filling-up component comprises a filling-up cylinder fixed on the frame and a filling-up plate capable of moving up and down; the filling plate is connected with a piston rod of the filling cylinder.

According to the feeding mechanism of the rib circular collar automatic sewing machine, the rib cloth pulled out from the material reel is guided to be vertically conveyed by the cloth pulling guide rod, and the center of the vertically conveyed rib cloth is guided by the cloth jacking wheel assembly, so that the conveying direction of the rib cloth can be changed, the rib cloth can be conveniently folded along the central line, and the problem that the long-roll rib cloth is difficult to convey and fold is solved.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a perspective view of the top sheave assembly of fig. 1.

Fig. 3 is a perspective view of the pull cylinder assembly of fig. 1.

Fig. 4 is an assembled exploded view of the pull cylinder assembly of fig. 3.

Fig. 5 is a schematic perspective view of the blanking mechanism in fig. 1.

Fig. 6 is an assembled exploded view of fig. 5.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

Fig. 1 to 6 are schematic structural views of the present invention.

Wherein the reference numerals are: a frame 1, a material reel 11, a cloth pulling guide rod 2, a first mounting plate 21, a second mounting plate 22, a fixed rod 23, a sensing connecting plate 24, a sensor 25, a sensing rod 26, an arc chute 27, a cloth pushing wheel 3, a cloth pushing wheel mounting seat 31, a cloth pushing wheel mounting rod 32, a pulling cylinder mounting plate 4, a first pulling cylinder part 41, a second pulling cylinder part 42, a first synchronizing wheel 43, a second synchronizing wheel 44 and a pulling cylinder driving synchronizing belt 45, the device comprises a drawing cylinder adjusting motor 46, a driving connecting plate 47, a drawing cylinder adjusting guide rail 48, a leveling cylinder 5, a leveling plate 51, a cutting mounting bracket 6, a first driven roller 61, a first driving roller 62, a roller feeding motor 63, a material conveying bottom plate 64, a first driven roller lifting cylinder 65, a material pressing plate 66, a material pressing plate lifting cylinder 67, a first cutter 7, a first cutting motor 71, a crank 72, a crank connecting rod 73, a second cutter 8 and a second cutting cylinder 81.

The invention relates to an automatic rib round collar sewing machine, which comprises a frame 1, a material reel 11 for placing a rib fabric roll, a vertical cloth pulling guide rod 2 arranged along the conveying direction of rib fabric, a cloth pushing wheel component acting on the position of the central line of a pulled rib fabric, and a pull cylinder component for folding the edges of two sides of the pulled rib fabric along the central position. The folding rib fabric output by the pull cylinder assembly passes through the cutting mechanism, and the cutting mechanism comprises a first cutter assembly for cutting the edge of the folding rib fabric aligned with the edge and a second cutter assembly for cutting the folding rib fabric into a collar strip shape. The cutting mechanism trims the aligned edges of the folded rib fabric orderly through the first cutter assembly, then cuts the output folded rib fabric through the second cutter assembly, and then conveys the collar-strip-shaped folded rib fabric to the sewing machine head to sew and splice the aligned edges.

Frame 1 is fixed with first mounting panel 21 and second mounting panel 22, is equipped with many dead levers 23 between first mounting panel 21 and the second mounting panel 22, and the both ends of granny rag guide bar 2 rotate with first mounting panel 21 and second mounting panel 22 respectively and are connected. The granny rag guide bar 2 is vertical state, and the contained angle scope can be between 60 degrees to 90 degrees with ground, and the rib cloth of rib cloth book output is carried along granny rag guide bar 2 tiling, makes the rib cloth be vertical expansion state, is convenient for fold the rib cloth center.

The second mounting plate 22 is provided with an induction connection plate 24 and an inductor 25. One end of the induction connecting plate 24 is rotatably connected with the second mounting plate 22, and the other end is coupled with the inductor 25; an induction rod 26 is arranged between the first mounting plate 21 and the second mounting plate 22, the first mounting plate 21 and the second mounting plate 22 are respectively provided with an arc-shaped chute 27, the induction rod 26 is arranged in the chutes of the first mounting plate 21 and the second mounting plate 22 in a sliding manner, and the end part of the induction rod 26 is connected with the middle part of the induction connecting plate 24. The induction rod 26 is contacted with the conveyed rib fabric, the tension of the conveyed rib fabric can be detected, when the rib fabric is tensioned, the induction rod 26 drives the induction connecting plate 24 to rotate under the acting force of the rib fabric, so that the induction device 25 detects a tensioning signal, and after the control system receives the tensioning signal, the conveying speed of the rib fabric can be adjusted.

The top cloth wheel assembly comprises a top cloth wheel mounting seat 31, a top cloth wheel mounting rod 32 is fixed in the top cloth wheel mounting seat 31, and a top cloth wheel 3 capable of rotating is arranged at the end part of the top cloth wheel mounting rod 32. In this embodiment, the top cloth wheel mounting rod 32 can slide in the mounting hole of the top cloth wheel mounting seat 31 to adjust the axial position, and then fix the position by screws.

The number of the cloth-jacking wheel assemblies is two to five, and the cloth-jacking wheels 3 are arranged in a fan shape along the position of the central line of the rib cloth. In this embodiment, the top cloth wheel assemblies are three groups, are approximately horizontal, and are arranged along the central line of the rib cloth. The top cloth wheel assembly plays a role in guiding the central line of the rib cloth in advance, and the rib cloth is conveniently folded along the central line by the subsequent roller assembly. The top cloth wheel assembly also plays a role in turning the conveying direction of the rib cloth, so that the material reel 11, the cloth drawing guide rod 2 and the drawing drum assembly are conveniently arranged in space on the machine frame 1.

The whole top cloth wheel assembly can move relative to the rack 1, an adjusting seat used for installing the top cloth wheel assembly is arranged on the rack 1 in a sliding mode, and the position of the adjusting seat is adjusted through a lead screw and a hand wheel.

The slide subassembly includes slide mounting panel 4, and the top of slide mounting panel 4 is equipped with the first slide section of thick bamboo 41 of fixed mounting, the second slide section of thick bamboo 42 of sliding mounting. A first synchronizing wheel 43, a second synchronizing wheel 44, a pull cylinder driving synchronizing belt 45 and a pull cylinder adjusting motor 46 for driving the first synchronizing wheel 43 are arranged below the pull cylinder mounting plate 4. The second pulling cylinder portion 42 is connected to a pulling cylinder drive timing belt 45 via a drive connection plate 47. The pull cylinder mounting plate 4 is provided with a pull cylinder adjusting guide rail 48 for guiding the driving connecting plate 47 to slide. The pull cylinder adjusting motor 46 is a stepping motor, and the control system adjusts the distance between the second pull cylinder part 42 and the first pull cylinder part 41 through the working stroke of the pull cylinder adjusting motor 46 so as to adapt to the folding of the rib fabrics with different widths.

A compensation component is arranged at the output port of the pull cylinder component; the filling-up assembly comprises a filling-up cylinder 5 fixed on the frame 1 and a filling-up plate 51 capable of lifting. The filling-up plate 51 is connected with a piston rod of the filling-up cylinder 5, and the filling-up cylinder 5 can drive the filling-up plate 51 to be in a descending state to open the output port position of the pull cylinder component. The compensation cylinder 5 drives the compensation plate 51 to be in a rising compensation state, and can compensate the output port of the open pull cylinder assembly.

The cutting mechanism comprises a cutting mounting bracket 6 fixed on the frame 1, and the cutting mounting bracket 6 is provided with a first driven roller 61 used for conveying the folding rib fabric and a first driving roller 62 driven by a roller feeding motor 63. The cutting mounting bracket 6 is provided with a first driven roller lifting cylinder 65 which can drive the first driven roller 61 to move up and down. When the first driven roller 61 is in a descending state, the first driven roller is matched with the first driving roller 62 to convey material. When the first driven roller 61 is in a rising state, the maintenance and the manual cloth placing are convenient.

The first driving roller 62 is positioned at a material conveying bottom plate 64 of the material cutting mounting bracket 6, the roller feeding motor 63 is fixed below the material conveying bottom plate 64, and the roller feeding motor 63 is driven by the first driving roller 62 to rotate through a first transmission mechanism. In this embodiment, the first transmission mechanism is a synchronous belt transmission mechanism, and the first transmission mechanism may also adopt other known transmission methods such as a gear transmission mechanism.

The blanking mounting bracket 6 can also be provided with a material pressing plate 66 for assisting in feeding, a material pressing plate lifting cylinder 67 is fixed on the blanking mounting bracket 6, and the material pressing plate lifting cylinder 67 can drive the material pressing plate 66 to move up and down. When the pressing plate 66 is in a descending state, a gap for conveying the rib fabric is formed between the pressing plate 66 and the conveying bottom plate 64. When the pressure plate 66 is in the ascending state, the maintenance and the manual cloth placing are convenient.

The first cutter assembly comprises a first cutter 7 capable of moving up and down, a first cutting motor 71 for driving the first cutter 7 and a first cutter transmission mechanism. The first cutting motor 71 is fixed on the cutting mounting bracket 6, and the first cutter 7 is positioned at one side of the feeding hole of the first driving roller 62 and cuts the aligned edge of the folded rib fabric. The first cutter 7 is slidably mounted on the first cutter mounting frame through a vertical guide rail and can move up and down along the vertical guide rail. The power output shaft of the first cutting motor 71 is connected with the first cutter 7 through a crank 72 and a crank connecting rod 73, and drives the first cutter 7 to move up and down rapidly. The aligned edge of the folded rib fabric passes below the first cutter 7 in the conveying process, and the aligned positions of the two sides are trimmed and leveled.

The second cutter assembly comprises a second cutter 8 capable of moving up and down and a second material cutting cylinder 81 for driving the second cutter 8. The second material cutting cylinder 81 is fixed on the material cutting mounting bracket 6, the second cutter 8 is positioned at the side of the discharge port of the first driving roller 62, the width of the second cutter 8 is larger than that of the folding rib fabric, and the output folding rib fabric is cut off. And (5) feeding the cut collar strip-shaped folding rib fabric to a sewing machine head to sew and fix the splicing parts at the two sides.