Woven bag suspender sewing machine
Technical Field
The utility model relates to the technical field of suspender sewing machines, in particular to a woven bag suspender sewing machine.
Background
The woven bag suspender sewing machine is industrial equipment specially used for sewing woven bag suspenders. The material stitching device has an accurate stitching function, can stitch materials of the woven bag hanging strip stably and efficiently, and ensures that the hanging strip has enough strength and durability. Such sewing machines are typically provided with adjustable sewing speed and tension control to accommodate the manufacturing requirements of woven bag harnesses of different materials and thicknesses. The operation is relatively convenient, the production efficiency and quality of the woven bag hanging strip can be greatly improved, the method plays an important role in the fields of packaging industry and the like, and powerful support is provided for safe and reliable use of the woven bag.
Most of the existing woven bag sewing work is finished by pure manual work, the sewing quality cannot be guaranteed, the hanging strip for automatic sewing needs to be cut in advance and placed beside the sewing equipment, the working procedure is complex, and the production efficiency is low, so that the invention needs to provide the sewing equipment capable of conveying the hanging strip in the sewing process.
Disclosure of utility model
Aiming at the defects of the prior art, the woven bag suspender sewing machine is developed, so that suspenders can be conveyed and cut off automatically in the sewing process, the step that a large number of suspenders are needed to be cut first and then sewing work is carried out in the traditional production process is avoided, and the production efficiency is improved.
The woven bag hanging strip sewing machine comprises a first frame, a first sliding rail box, a second sliding rail box, a cutting mechanism, an electric sewing machine and a second frame, wherein side plates are symmetrically arranged on two sides of a supporting leg of the first frame in the width direction, a discharging roller is rotationally connected to the side plates, the first sliding rail box is symmetrically arranged on two sides of the first frame in the width direction, a first sliding mechanism is arranged in the first sliding rail box, the second sliding rail box is connected with the first sliding mechanism, a second sliding mechanism is arranged in the second sliding rail box, a pressing plate is connected to the second sliding mechanism, a conveying shaft is rotationally connected to a position, close to the second sliding rail box, of the first frame, a driven shaft is cooperatively arranged in the vertical direction of the conveying shaft, the cutting mechanism is slidingly connected to the first frame, the electric sewing machine is arranged on the first frame, and the second frame is arranged on one side, close to the cutting mechanism, in the length direction, of the first frame.
Preferably, the shearing mechanism comprises a base, a top plate, a slot hole and scissors, wherein the top plate is connected with the base through bolts, a gap is reserved between the base and the top plate, the slot holes are symmetrically formed in the width direction of the top plate and the width direction of the base, two knife handles of the scissors are connected with cylindrical limiting blocks, the cylindrical limiting blocks are slidably connected in sliding grooves, the sliding grooves are arc-shaped, a second cylinder is mounted on the base, and the hinged joint of the scissors is connected with the output end of the second cylinder.
Preferably, the first sliding mechanism comprises a first ball screw and a first sliding block, the first ball screw is rotationally connected in a first sliding rail box, the first sliding block is connected to the first ball screw, a first servo motor is installed on the first sliding rail box, and the first ball screw is connected with the output end of the first servo motor.
Preferably, the second sliding mechanism comprises a second ball screw and a second sliding block, the second ball screw is rotationally connected in a second sliding rail box, the second sliding block is connected to the second ball screw, a second servo motor is installed on the second sliding rail box, and the second ball screw is connected with the output end of the second servo motor.
Preferably, a sliding groove is formed in the second sliding block, and the pressing plate is connected in the sliding groove in a sliding mode.
Preferably, a guide rod is arranged in the second sliding rail box, and the second sliding block is in sliding connection with the guide rod.
Preferably, a first air cylinder is mounted on the second sliding block, and the pressing plate is connected with the output end of the first air cylinder.
Preferably, the conveying shaft is connected with an output end of a speed reducer, and the speed reducer is mounted on the first frame through a flange.
Preferably, the surface array of the side of the pressing plate far away from the sewing machine is provided with anti-slip bulges.
The effects provided in the summary of the utility model are merely effects of embodiments, not all effects of the utility model, and the above technical solution has the following advantages or beneficial effects:
1. By arranging the cutting mechanism and matching with the discharging roller and the conveying shaft, the hanging strip does not need to be cut in batches before sewing, and the hanging strip with proper length can be automatically cut according to the needs in the sewing process, so that the overall production efficiency of hanging strip sewing is improved;
2. The anti-skidding bulges are arranged on the lower surface of the pressing plate in an array manner, so that the woven bag can be driven to move better, and the slipping phenomenon can be effectively prevented;
3. The first sliding rail box is designed in a sinking mode, so that the table top of the first rack is tidier, the height of the whole second sliding rail box can be reduced, and the first sliding rail box is applicable to more smaller electric sewing machines;
4. The shearing mechanism is connected to the first frame in a sliding way, so that the shearing mechanism can be adjusted according to different use positions, and is convenient to use;
5. By arranging the guide rod in the second sliding rail box, the sliding stability of the second sliding block can be improved, and the hanging belt sewing quality can be improved.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a general block diagram of the present utility model;
FIG. 3 is a top view of the present utility model;
FIG. 4 is a right side view of the present utility model;
FIG. 5 is an enlarged view of a portion of area A of FIG. 4;
FIG. 6 is a front view of the cutting mechanism;
FIG. 7 is a bottom view of the shear mechanism;
FIG. 8 is a front view of a second slider and platen configuration;
fig. 9 is a bottom view of the second slider and platen structure.
The automatic feeding device comprises a first frame, a second frame, a side plate, a 21, a discharging roller, a 3, a first sliding rail box, a 4, a first ball screw, a 41, a first servo motor, a 5, a first sliding block, a 6, a second sliding rail box, a 7, a second ball screw, a 71, a second servo motor, a 72, a guide rod, an 8, a second sliding block, a 81, a sliding chute, a 9, a pressing plate, a 91, a non-slip protrusion, a 92, a first cylinder, a 10, a conveying shaft, a 101, a driven shaft, a 102, a speed reducer, a 11, a base, a 111, a top plate, a 112, a slotted hole, a 113, scissors, a 114, a second cylinder, a 12, an electric sewing machine, a 13 and a second frame.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings.
Example 1
Referring to fig. 1 to 9, the woven bag sling sewing machine comprises a first frame 1, a first slide rail box 3, a second slide rail box 6, a cutting mechanism, an electric sewing machine 12 and a second frame 13, wherein side plates 2 are symmetrically arranged on two sides of the width direction of a supporting leg of the first frame 1, a discharging roller 21 is rotationally connected to the side plates 2, the discharging roller 21 adopts a detachable design, the first slide rail box 3 is symmetrically arranged on two sides of the width direction of the first frame 1, a first sliding mechanism is arranged in the first slide rail box 3, the second slide rail box 6 is connected with the first sliding mechanism, a second sliding mechanism is arranged in the second slide rail box 6, a pressing plate 9 is connected to the second sliding mechanism, a conveying shaft 10 is rotationally connected to the position, close to the second slide rail box 6, of the first frame 1, a driven shaft 101 is cooperatively arranged on the vertical direction of the conveying shaft 10, the cutting mechanism is slidingly connected to the first frame 1, and the electric machine 12 is arranged on the first frame 1, and the second sliding mechanism is connected to the first sliding mechanism is arranged on one side, close to the first frame 1, and the second sliding mechanism is arranged on one side, close to the length direction of the first frame 1.
As shown in fig. 5 to 7, the cutting mechanism comprises a base 11, a top plate 111, a slot 112 and a pair of scissors 113, wherein the top plate 111 is connected with the base 11 through bolts, a gap is reserved between the base 11 and the top plate 111, the slot 112 is symmetrically arranged in the width direction of the top plate 111 and the base 11, two knife handles of the scissors 113 are connected with cylindrical limiting blocks, the cylindrical limiting blocks are slidably connected in a sliding groove 81, the sliding groove 81 is arc-shaped, a second cylinder 114 is mounted on the base 11, and the hinged position of the scissors 113 is connected with the output end of the second cylinder 114.
As shown in fig. 3, the first sliding mechanism includes a first ball screw 4 and a first slider 5, the first ball screw 4 is rotatably connected in the first sliding rail box 3, the first slider 5 is connected on the first ball screw 4, a first servo motor 41 is installed on the first sliding rail box 3, and the first ball screw 4 is connected with an output end of the first servo motor 41.
As shown in fig. 2 to 5, the second sliding mechanism includes a second ball screw 7 and a second slider 8, the second ball screw 7 is rotatably connected in the second sliding rail box 6, the second slider 8 is connected to the second ball screw 7, the second sliding rail box 6 is provided with a second servo motor 71, and the second ball screw 7 is connected to an output end of the second servo motor 71.
As shown in fig. 5, the second slider 8 is provided with a sliding slot 81, and the pressing plate 9 is slidably connected to the sliding slot 81.
As shown in fig. 5, a guide rod 72 is disposed in the second slide rail box 6, and the second slider 8 is slidably connected to the guide rod 72.
As shown in fig. 5, the first cylinder 92 is mounted on the second slider 8, and the pressing plate 9 is connected to an output end of the first cylinder 92.
As shown in fig. 4, the conveying shaft 10 is connected to an output end of a speed reducer 102, and the speed reducer 102 is mounted on the first frame 1 through a flange.
As shown in fig. 8 and 9, the surface of the presser plate 9 on the side remote from the sewing machine is provided with an array of cleats 91.
Principle and operation flow
The utility model adopts the controller to control each part, and omits the traditional process of singly cutting the suspender by adding the cutting mechanism, and directly operates in the sewing process, and the specific operation is as follows: before use, the discharging roller 21 is taken down, the woven bag roll is placed on the discharging roller 21, then the discharging roller 21 is installed, one end of the woven bag roll passes through the space between the conveying shaft 10 and the driven shaft 101, the woven bag needing to be sewn with a sling is placed on the second frame 13, the sewing work is started, the position of the woven bag is placed, the first cylinder 92 is started, the woven bag is pressed, as the bottom surface of the tooth plate is provided with the anti-slip bulge 91, the anti-slip effect can be well achieved, the phenomenon of slipping in the process of moving the woven bag is prevented, the speed reducer 102 is started while the first cylinder 92 is started, the woven bag roll is conveyed, the speed reducer 102 is closed after being conveyed to a proper length, the electric sewing machine 12 is started to start the sewing work, a program can be input into the controller, the first servo motor 41 and the second servo motor 71 are controlled to start and stop, so that automatic sewing is realized, after one end of a sling is sewn, the first cylinder 92 is retracted, the speed reducer 102 is started again, a woven bag roll with the required length is conveyed, after the required length is reached, the speed reducer 102 is closed, the second cylinder 114 is started, the second cylinder 114 pushes the hinged position of the scissors 113 to move in the direction away from the second cylinder 114, a cylindrical limiting block connected with the knife handle of the scissors 113 moves in an arc-shaped chute 81, as the chute 81 is arc-shaped, two cutting edges of the scissors 113 gradually fold along with the pushing of the second cylinder 114 to complete cutting operation, the whole sling is separated from the woven bag roll at the moment, an operator places the woven bag roll until the woven bag roll with the required length is proper, the other end of the sling is adjusted to be at the proper position, the first cylinder 92 is started, the pressing plate 9 presses the woven bag, the controller controls the first servo motor 41 and the second servo motor 71 to perform sewing again, the sewing work of one sling is completed, and the continuous operation can be completed by repeating the operation.
While the foregoing description of the embodiments of the present utility model has been presented with reference to the drawings, it is not intended to limit the scope of the utility model, but rather, various modifications or variations can be made by those skilled in the art without the need of inventive effort on the basis of the technical solutions of the present utility model.