Automatic sewing machine for shroud ring of flexible freight bag

Abstract

The utility model discloses an automatic flexible freight bag girdle sewing machine which comprises a machine frame, a sewing machine head installed on the top of the machine frame, a workbench arranged on the top of the machine frame, a sewing channel formed in the top of the workbench, a feeding mechanism arranged on the outer side of the machine frame, a limiting mechanism arranged on the outer ring of a needle rod of the sewing machine head, and a girdle disc installed on the top of the sewing machine head. By means of the feeding mechanism, the flexible freight bag can be conveyed to a sewing station of the workbench, meanwhile, the shroud ring is released from the shroud ring disc and directionally guided to the sewing position through the second guide roller, and a needle rod of the sewing machine head is matched with the sewing channel to complete automatic sewing of the shroud ring and the flexible freight bag. By means of the structure, it can be guaranteed that the position of the shroud ring is fixed in the sewing process, wrinkles, position deviation and the like are avoided, accurate positioning and efficient sewing of the container bag and the shroud ring are achieved through the structure, production efficiency is improved, and consistency of sewing quality is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to packing machinery technical field, concretely is a kind of automatic sewing machine of bag surrounding belt. BACKGROUND

[0002] As a kind of widely used in food, chemical, mineral product etc. Flexible container of powdery, granular, block-shaped article transportation packaging, its production process, the sewing of surrounding belt is crucial, at present, the sewing work of most bag surrounding belt mainly relies on manual operation to complete.

[0003] However, manual sewing has many drawbacks, on the one hand, workers have heavy workload, long time repetitive work is prone to fatigue, and further affect production efficiency;On the other hand, the consistency of manual operation is difficult to guarantee, so that the controllability of product quality is poor, and the quality of surrounding belt sewing is uneven, so a kind of bag surrounding belt automatic sewing machine is needed to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model is to provide a kind of bag surrounding belt automatic sewing machine to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of bag surrounding belt automatic sewing machine, including rack, the top of the rack is equipped with sewing machine head, the top of the rack is located below the sewing machine head is equipped with workbench, the top of the workbench is located the position of the needle bar of the sewing machine head needle is equipped with sewing channel, the outer side of the rack is located the position close to end and is equipped with the feeding mechanism that is convenient for bag conveying, the sewing machine head is located the position of its needle bar outer circle and is equipped with the limiting mechanism that is convenient for surrounding belt sewing, the top of the sewing machine head is equipped with surrounding belt disc, one side of the sewing machine head is equipped with two groups of second guide rollers that limit the moving direction of surrounding belt.

[0006] Preferably, the feeding mechanism includes a drive roller, one side of the rack is equipped with a fixed frame, one side of the fixed frame is rotatably connected with the drive roller, the other side of the fixed frame is equipped with a first motor for facilitating rotation of the drive roller, the other side of the rack is correspondingly equipped with an auxiliary roller, the bottom of the rack is equipped with two groups of vertical plates, one side of each of the two groups of vertical plates is rotatably connected with two groups of first guide rollers, the bottom of the rack is equipped with a fixed plate between the two groups of vertical plates, the inner side of the fixed plate is provided with a sliding groove, one side of the fixed plate is provided with a movable slot communicating with the sliding groove, the inner side of the sliding groove is rotatably connected with a screw rod, one end of the screw rod is connected with the output end of a second motor mounted on the bottom of the fixed plate, the inner side of the sliding groove is slidably connected with a sliding block threadedly connected with the screw rod, one side of the sliding block is rotatably connected with a tensioning roller.

[0007] Preferably, the limiting mechanism comprises a pressing plate, one end of the sewing head is provided with an electric telescopic rod, one end of the electric telescopic rod is connected with a lifting frame, the lifting frame is slidably connected with connecting rods near the four corners, one end of adjacent two groups of connecting rods is connected with the top of the corresponding pressing plate, the top of the pressing plate is connected with the bottom of the lifting frame through springs sleeved on the outer circles of the two groups of connecting rods, and the bottoms of the two groups of pressing plates are rotatably connected with a plurality of groups of rollers.

[0008] Preferably, a through groove is formed in the center of the lifting frame to facilitate the movement of the needle rod of the sewing head.

[0009] Preferably, a mounting frame is mounted on the top of the sewing head, the surrounding belt disc is rotatably connected to the mounting frame, and a limiting seat for facilitating disassembly and assembly of the surrounding belt disc is threadedly connected to one side of the mounting frame.

[0010] Preferably, four groups of bases are threadedly connected to the bottom of the rack.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. The feeding mechanism can convey the flexible intermediate bulk container to the sewing position of the workbench, meanwhile, the surrounding belt is released from the surrounding belt disc and is guided to the sewing position through the second guide roller, and the needle rod of the sewing head cooperates with the sewing channel to complete the automatic sewing of the surrounding belt and the flexible intermediate bulk container, and the limiting mechanism can ensure that the position of the surrounding belt is fixed during sewing, so that wrinkles and position deviation are avoided, and the precise positioning and efficient sewing of the flexible intermediate bulk container and the surrounding belt are realized, the production efficiency is improved, and the consistency of the sewing quality is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a schematic view of the overall structure of the utility model;

[0014] Figure 2 It is a bottom view of the utility model;

[0015] Figure 3 It is a side view and top view of the utility model;

[0016] Figure 4 It is Figure 2 It is an enlarged view of A in the utility model;

[0017] Figure 5 It is an enlarged view of B in the utility model. Figure 2

[0018] ​As shown in the figure: 1, rack, 2, base, 3, suture head, 4, workbench, 5, sewing channel, 6, fixed frame, 7, drive roller, 8, first motor, 9, auxiliary roller, 10, vertical plate, 11, first guide roller, 12, fixed plate, 13, sliding groove, 14, movable slot, 15, screw, 16, second motor, 17, sliding block, 18, tensioning roller, 19, mounting frame, 20, belt disc, 21, limit seat, 22, second guide roller, 23, electric telescopic rod, 24, lifting frame, 25, through slot, 26, connecting rod, 27, pressing plate, 28, spring, 29, roller. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] Embodiment one

[0021] Please refer to Figures 1-5 The utility model provides a kind of automatic sewing machine of surrounding belt of bag, including rack 1, the top of rack 1 is equipped with suture head 3, the top of rack 1 is equipped with workbench 4 below suture head 3, the top of workbench 4 is equipped with sewing channel 5 to the position of needle bar of suture head 3, the position of the outer side of rack 1 close to end is equipped with feeding mechanism for facilitating bag conveying, the position of suture head 3 is equipped with limiting mechanism for facilitating surrounding belt sewing outside its needle bar outer ring, the top of suture head 3 is equipped with surrounding belt disc 20, one side of suture head 3 is equipped with two groups of second guide roller 22 for limiting the moving direction of surrounding belt.

[0022] Specifically, by setting the feeding mechanism, the bag can be conveyed to the sewing station of the workbench 4, at the same time, the surrounding belt is released from the surrounding belt disc 20 and guided to the sewing position by the second guide roller 22, and the needle bar of the suture head 3 cooperates with the sewing channel 5 to complete the automatic sewing of the surrounding belt and the bag. By setting the limiting mechanism, the position of the surrounding belt can be fixed during sewing to avoid wrinkles, position deviation and other situations, thereby realizing precise positioning and efficient sewing of the bag and the surrounding belt through the above structure, improving production efficiency and ensuring consistency of sewing quality.

[0023] The feeding mechanism comprises a driving roller 7, one side of the rack 1 is provided with a fixed frame 6, one side of the fixed frame 6 is rotatably connected with the driving roller 7, the other side of the fixed frame 6 is provided with a first motor 8 for facilitating rotation of the driving roller 7, the other side of the rack 1 is correspondingly provided with an auxiliary roller 9, the bottom of the rack 1 is provided with two groups of vertical plates 10, one side of each of the two groups of vertical plates 10 is rotatably connected with two groups of first guide rollers 11, the bottom of the rack 1 between the two groups of vertical plates 10 is provided with a fixed plate 12, the inner side of the fixed plate 12 is provided with a sliding groove 13, one side of the fixed plate 12 is provided with a movable groove 14 communicating with the sliding groove 13, the inner side of the sliding groove 13 is rotatably connected with a screw rod 15, one end of the screw rod 15 is connected with the output end of a second motor 16 installed at the bottom of the fixed plate 12, the inner side of the sliding groove 13 is slidably connected with a sliding block 17 threadedly connected with the screw rod 15, one side of the sliding block 17 is rotatably connected with a tensioning roller 18. First, the bag-in-box is sleeved on the outer rings of the driving roller 7 and the auxiliary roller 9, and passes between the adjacent two groups of second guide rollers 22, and then the second motor 16 is started, the second motor 16 can drive the screw rod 15 to rotate, the screw rod 15 can drive the sliding block 17 to slide in the sliding groove 13 under the threaded connection with the sliding block 17 and the limiting action of the sliding groove 13, and the sliding block 17 can drive the tensioning roller 18 to move up and down, so that the bag-in-box can maintain appropriate tension by adjusting the position of the tensioning roller 18, preventing wrinkles or deviation. Then, the first motor 8 is started, the first motor 8 can drive the driving roller 7 to rotate, so as to push the bag-in-box to the stitching position above the workbench 4, and then the driving roller 7, the auxiliary roller 9 and the tensioning roller 18 are cooperated to feed and adjust the tension, and the precise stitching of the stitching head 3 is matched, so as to realize efficient, stable and automatic stitching of the bag-in-box, and significantly improve the production efficiency and stitching quality.

[0024] Wherein, the limiting mechanism comprises a pressing plate 27, one end of the sewing head 3 is provided with an electric telescopic rod 23, one end of the electric telescopic rod 23 is connected with a lifting frame 24, the lifting frame 24 is slidably connected with connecting rods 26 near the four corners, one end of the adjacent two groups of connecting rods 26 is connected with the top of the corresponding pressing plate 27, the top of the pressing plate 27 is connected with the bottom of the lifting frame 24 through the spring 28 sleeved on the outer circle of the two groups of connecting rods 26, the bottom of the two groups of pressing plates 27 is rotatably connected with a plurality of rollers 29, by starting the electric telescopic rod 23, the lifting frame 24 and the pressing plate 27 can be driven to move downward, when the pressing plate 27 contacts the bag, the electric telescopic rod 23 is stopped, at this time, the spring 28 can automatically adjust the pressing force of the pressing plate 27 on the bag according to the thickness of the bag, so as to ensure that the bag is stably fixed on the workbench 4, by arranging a plurality of rollers 29, the bag can be conveniently conveyed to one side while being pressed, in the process of driving the roller 7 to move the bag and the surrounding belt forward, the roller 29 can rotate with the movement of the bag, greatly reducing the friction when the bag moves, ensuring the smooth feeding, and further by arranging, the stable positioning of the bag, the smooth feeding and the improvement of the sewing quality can be ensured.

[0025] Wherein, the center position of the lifting frame 24 is provided with a through slot 25 for the movement of the needle rod of the sewing head 3, the through slot 25 is arranged at the center position of the lifting frame 24, which can ensure that the needle rod of the sewing head 3 can move up and down without being blocked, and at the same time, the pressing plate 27 and the roller 29 can avoid the sewing area while pressing the bag.

[0026] Wherein, the top of the sewing head 3 is provided with a mounting frame 19, the surrounding belt disc 20 is rotatably connected to the mounting frame 19, the mounting frame 19 is screw-connected with a limiting seat 21 on one side for dismounting the surrounding belt disc 20, the surrounding belt disc 20 is rotatably mounted on the mounting frame 19, and can be freely rotated to release the surrounding belt, the limiting seat 21 is screw-connected and fixed on one side of the mounting frame 19, and when tightened, the shaft end of the surrounding belt disc 20 can be pressed to prevent axial movement or accidental falling, and when loosened, the surrounding belt disc 20 can be quickly disassembled and replaced, and further by arranging, the quick disassembly and stable belt supply of the surrounding belt disc 20 are realized, and different specifications of the surrounding belt can be conveniently replaced.

[0027] Wherein, the bottom of the rack 1 is screw-connected with four groups of bases 2, the four groups of bases 2 are screw-connected and fixed on the bottom of the rack 1, which can form a stable support structure to ensure that the whole machine remains horizontal during work, avoiding vibration or deviation caused by uneven ground, and by rotating and adjusting the height of the base 2, the levelness of the rack 1 can be finely adjusted to adapt to different working environments.

[0028] Working principle: first, the bag-in-box is sleeved on the outer ring of the driving roller 7 and the auxiliary roller 9, and the bag-in-box is passed between the two adjacent groups of second guide rollers 22, and then the second motor 16 is started, the second motor 16 can drive the screw rod 15 to rotate, the screw rod 15 is connected with the sliding block 17 through the screw thread, and under the limiting action of the sliding groove 13, the sliding block 17 can slide in the sliding groove 13, the sliding block 17 can drive the tensioning roller 18 to move up and down, so that by adjusting the position of the tensioning roller 18, the bag-in-box can maintain appropriate tension to prevent wrinkles or deviation, then, the electric telescopic rod 23 is started, which can drive the lifting frame 24 and the pressing plate 27 to move downward, when the pressing plate 27 contacts the bag-in-box, the electric telescopic rod 23 is stopped, at this time, the spring 28 can automatically adjust the pressing force of the pressing plate 27 on the bag-in-box according to the thickness of the bag-in-box, to ensure that the bag-in-box is stably fixed on the workbench 4, at this time, one end of the surrounding belt is placed on the corresponding position of the bag-in-box, then the motor of the sewing head 3 is started, the needle rod starts to move up and down, the sewing needle passes through the sewing channel 5 to sew the material, at the same time, the first motor 8 is started, the first motor 8 can drive the driving roller 7 to rotate, so as to push the bag-in-box to the sewing position above the workbench 4, so that the sewing process continues, and the whole operation process is completed.

[0029] The contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0030] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An automatic sewing machine for container bag straps, comprising a frame (1), characterized in that: A sewing head (3) is installed on the top of the frame (1). A worktable (4) is provided on the top of the frame (1) below the sewing head (3). A sewing channel (5) is provided on the top of the worktable (4) directly opposite the needle bar of the sewing head (3). A feeding mechanism for easy transport of bulk bags is provided on the outer side of the frame (1) near the end. A limiting mechanism for easy webbing sewing is provided on the outer ring of the sewing head (3) at the needle bar. A webbing disc (20) is installed on the top of the sewing head (3). Two sets of second guide rollers (22) restricting the movement direction of the webbing are provided on one side of the sewing head (3).

2. The automatic sewing machine for container bag surrounds according to claim 1, characterized in that: The feeding mechanism includes a drive roller (7). A fixed frame (6) is provided on one side of the frame (1). The drive roller (7) is rotatably connected to one side of the fixed frame (6). A first motor (8) is installed on the other side of the fixed frame (6) to facilitate the rotation of the drive roller (7). An auxiliary roller (9) is correspondingly installed on the other side of the frame (1). Two sets of upright plates (10) are provided at the bottom of the frame (1). Two sets of first guide rollers (11) are rotatably connected to one side of each of the two sets of upright plates (10). The bottom of the frame (1) is located between the two sets of upright plates (10). A fixed plate (12) is provided, and a sliding groove (13) is provided on the inner side of the fixed plate (12). A movable groove (14) communicating with the sliding groove (13) is provided on one side of the fixed plate (12). A screw (15) is rotatably connected to the inner side of the sliding groove (13). One end of the screw (15) is connected to the output end of a second motor (16) installed at the bottom of the fixed plate (12). A slider (17) threadedly connected to the screw (15) is slidably connected to the inner side of the sliding groove (13). A tension roller (18) is rotatably connected to one side of the slider (17).

3. The automatic sewing machine for container bag surrounds according to claim 1, characterized in that: The limiting mechanism includes a pressure plate (27), an electric telescopic rod (23) is installed at one end of the sewing machine head (3), a lifting frame (24) is connected to one end of the electric telescopic rod (23), and a connecting rod (26) is slidably connected to the four corners of the lifting frame (24). One end of each of the two adjacent sets of connecting rods (26) is connected to the top of the corresponding pressure plate (27). The top of the pressure plate (27) is connected to the bottom of the lifting frame (24) through a spring (28) sleeved on the outer ring of the two sets of connecting rods (26). Multiple sets of rollers (29) are rotatably connected to the bottom of the two sets of pressure plates (27).

4. The automatic sewing machine for container bag surrounds according to claim 3, characterized in that: The lifting frame (24) has a through groove (25) at its center to facilitate the movement of the needle bar of the suture head (3).

5. The automatic sewing machine for container bag surrounds according to claim 4, characterized in that: The top of the sewing machine head (3) is equipped with a mounting bracket (19), and the girdle disc (20) is rotatably connected to the mounting bracket (19). A limiting seat (21) is threadedly connected to one side of the mounting bracket (19) to facilitate the disassembly and assembly of the girdle disc (20).

6. The automatic sewing machine for container bag surrounds according to claim 1, characterized in that: The bottom of the frame (1) is threaded with four sets of bases (2).

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