Hanging strip sewing machine setTechnical Field
The invention relates to the field of industrial production and processing, mainly relates to a mechanical mechanism of sewing equipment, and in particular relates to a hanging strip sewing machine set.
Background
The novel automatic feeding sewing machine comprises a sewing machine body, a first feeding arm, a second feeding arm, a first optical fiber assembly and a second optical fiber assembly, wherein the first feeding arm, the first optical fiber assembly and the second feeding arm are arranged on the first feeding arm, the second feeding arm, the first optical fiber assembly and the second optical fiber assembly of the sewing machine, are sequentially fixed on one side of the sewing machine body through mounting plates, and the second optical fiber assembly is arranged on an upright post of the sewing machine body. The application can omit the manual auxiliary feeding and the traditional edge leaning device, realize automatic feeding, and simultaneously utilize the cooperation of the first optical fiber assembly and the second optical fiber assembly to ensure the uniformity of stitch spacing after sewing.
And the prior art, for example, china patent, which discloses a roller shutter sewing device (patent number: CN 201620311884.7). The device comprises a machine head, a feeding mechanism for conveying a spiral spring for a roller shutter, and an automatic hemming mechanism for hemming the side edge of the roller shutter, wherein the device comprises a sewing needle mechanism and a presser foot mechanism, the sewing needle mechanism and the presser foot mechanism are driven to operate through a transmission mechanism, the device further comprises a working panel, the feeding mechanism, the automatic hemming mechanism and the machine head are respectively arranged on two sides of the working panel in sequence, fabrics for sewing the roller shutter travel along the middle position of the working panel, and the two sides of the fabrics pass through the feeding mechanism, the automatic hemming mechanism and the machine head in sequence, so that the sewing operation of the spiral spring and the edges of the two sides of the fabrics is completed. The machine head side, the work panel on still be provided with and collude line mechanism.
In the prior art, automatic feeding and sewing are realized through the mutual matching of a sewing machine and a conveying table. Technical drawbacks remain in the prior art. First, can not carry out stable conveying to the material of conveying on the conveying platform, do not have supplementary spacing mechanism of pressing, and supplementary the spacing mechanism of pressing can not carry out the adaptability according to the size of conveying material. Secondly, two kinds of fabrics to be sewn cannot be sewn by reverse stitching.
Therefore, it is necessary to develop a hanging strip sewing machine set which can stably convey materials to be sewn in a combined mode, can effectively calibrate the posture of the materials, can carry out combined sewing on the materials to be sewn, and can realize the inverted needle operation.
Disclosure of Invention
The invention overcomes the defects of the prior art, provides the hanging strip sewing machine set, can stably convey materials to be sewn in a combined mode, can effectively calibrate the posture of the materials, can carry out combined sewing on the materials to be sewn, and can realize the inverted needle operation.
In order to achieve the purpose, the hanging strip sewing machine set comprises a frame, wherein a conveying cavity is formed in the frame, an operating table is arranged in the conveying cavity, a sewing machine is arranged on the operating table, a feeding mechanism for conveying materials II is arranged on one side of the frame, the sewing machine and a feeding inverted needle mechanism are arranged on the operating table in a sliding mode, and the sewing machine is connected with the feeding inverted needle mechanism in a combined mode through a clamping device.
In a preferred technical scheme of the invention, the feeding mechanism is sequentially provided with a first material guiding mechanism and a second material guiding and breaking mechanism for conveying the second material according to the conveying direction of the second material, wherein the first material guiding and breaking mechanism comprises a material guiding roller group and the second material guiding mechanism for smoothing the second material, and a material cutting mechanism for cutting the second material.
In a preferred technical scheme of the invention, two ends of the material guiding mechanism II are provided with a conveying groove I for penetrating the material II, and a cutting mechanism is penetrated on the conveying groove I at the rear end.
In a preferred technical scheme of the invention, the feeding and needle reversing mechanism comprises a mounting plate which is arranged on the frame in a sliding manner, wherein the mounting plate is in driving connection with the frame through a driving mechanism, a lifting device is arranged on the mounting plate, a conveying device capable of lifting on the frame is arranged on the lifting device, and a material guiding mechanism III and an auxiliary feeding mechanism are arranged on the conveying device in a sliding manner.
In a preferred technical scheme of the invention, the conveying device is further provided with a reversing needle assembly, and the material guiding mechanism III and the auxiliary feeding mechanism are in driving connection with the conveying device through the reversing needle assembly.
In a preferred technical scheme of the invention, a conveying table for conveying a first material is arranged on at least one side of the operating table, an auxiliary material supporting mechanism opposite to the conveying table is arranged on the frame, the auxiliary material supporting mechanism comprises a portal frame arranged on the supporting table, a displacement driving mechanism is arranged on the portal frame, the displacement driving mechanism is in driving connection with a sliding support arranged on the portal frame in a sliding manner, a lifting frame capable of lifting is arranged on the portal frame, and one end, close to the conveying table, of the lifting frame is provided with a pivot connection supporting roller.
In a preferred technical scheme of the invention, the rack is provided with the material taking chuck, the material taking chuck comprises a material taking mounting plate arranged on the rack, the material taking mounting plate is provided with the displacement device, and the displacement device drives the chuck to displace, clamp and push the second material.
In a preferred technical scheme of the invention, a telescopic limiting block capable of stretching back and forth is arranged on the stand, and a clamping block which is in corresponding limiting abutment with the telescopic limiting block is arranged on the back of the feeding inverted needle mechanism.
In a preferred embodiment of the present invention, a lifting table capable of lifting up and down is provided between the operation table and the transfer table.
In a preferable technical scheme of the invention, in the sewing method of the hanging strip sewing machine set, a first material is conveyed to an operation table through conveying tables arranged on two sides of the operation table;
simultaneously, a material II is penetrated through a material guiding mechanism I of the feeding mechanism, then penetrates through a material guiding bracket I and a material guiding bracket II which are arranged on the frame 1 in sequence, and penetrates through a material guiding roller group, a conveying groove I, a material guiding mechanism II and a material cutting mechanism of the dredging and cutting mechanism;
The push mechanism of the buckle device pushes and pulls the limiting block penetrating through the mounting plate, and the pressing locking is carried out between the limiting block and the buckle connecting plate arranged on the sewing machine;
The feeding inverted needle mechanism and the sewing machine slide to a feeding position of the feeding mechanism, the second material passes through a guide mechanism III of the feeding inverted needle mechanism, and the feeding inverted needle mechanism clamps the second material and slides to a material taking chuck at the other end of the frame together with the sewing machine;
At the moment, the material taking chuck clamps the second material exposed out of the three end parts of the material guiding mechanism, the second material is driven by the displacement device to slide rightwards to a specified position, the sewing machine is driven to rightwards, at the moment, the conveying device, the material guiding mechanism III, the auxiliary feeding mechanism and the second material are left at the limited position, the sewing machine is driven to rightwards start to sew the sewing thread to the specified position to sew out the material margin, and when an elastic piece in the inverted needle assembly is reset, the sewing machine changes the moving direction to start to sew, so that inverted needle sewing is realized;
The telescopic limiting block on the frame is retracted, the feeding and reversing mechanism and the sewing machine are used for back sewing, the conveying table conveys the sewn first material and the sewn second material to the next process, and the hanging strip sewing machine unit is used for carrying out combined sewing of the first material and the second material in a circulating and reciprocating mode in sequence.
The invention solves the defects existing in the background technology, and has the following beneficial effects:
A hanging strip sewing machine set can stably convey materials to be sewn in a combined mode, effectively calibrate the posture of the materials, can carry out combined sewing on the materials to be sewn, and can realize needle reversing operation.
The feeding and needle reversing mechanism arranged on the frame in a sliding way is locked and separated by the buckle device, the push-push mechanism of the buckle device pushes and pulls the limiting block penetrating through the mounting plate, and press-fit locking, separation and unlocking are carried out between the limiting block and the buckle connecting plate arranged on the sewing machine.
The inverted needle assembly is matched with the sewing machine, and inverted needle sewing is realized at the starting ends of the first material and the second material to be sewn.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of a preferred embodiment of the present invention;
FIG. 2 is a second schematic structural view of a preferred embodiment of the present invention;
FIG. 3 is a schematic view of a first embodiment of the present invention with the transfer table detached;
FIG. 4 is a schematic elevational view of the feed back needle mechanism of the preferred embodiment of the present invention;
FIG. 5 is a schematic view of the back view of the feeding back needle mechanism in the preferred embodiment of the present invention;
FIG. 6 is a schematic view of the telescopic stopper of the stopper mechanism according to the preferred embodiment of the present invention;
FIG. 7 is a schematic view of a first guide mechanism in a preferred embodiment of the present invention;
Fig. 8 is a schematic view of a material taking chuck in accordance with a preferred embodiment of the present invention;
FIG. 9 is a schematic view of the structure of the lift table in the preferred embodiment of the present invention;
FIG. 10 is a schematic view of an auxiliary material pushing mechanism in a preferred embodiment of the present invention;
FIG. 11 is a schematic diagram of a second embodiment of the present invention after the transfer table is detached;
In the figure, 1-frame, 11-conveying frame, 12-supporting frame, 13-beam bracket, 131-conveying line rail, 14-lifting table, 141-lifting mechanism, 15-operating table, 16-conveying cavity, 17-guiding bracket I, 18-guiding bracket II,
2-Conveying table, 21-conveying belt, 22-auxiliary supporting rotary rod and 23-conveying belt driving mechanism;
The device comprises a 3-auxiliary material supporting mechanism, a 31-portal frame, a 32-displacement driving mechanism, a 33-sliding support, a 34-lifting frame and 35-supporting rollers;
4-feeding mechanism, 41-guiding mechanism I, 42-guiding and breaking mechanism, 421-track roller set, 422-conveying groove I, 423-guiding mechanism II, 424-cutting mechanism;
5-feeding inverted needle mechanism, 51-mounting plate, 52-lifting device, 521-lifting line rail, 522-lifting plate, 53-conveying device, 531-conveying slide rail, 532-conveying slide plate, 533-inverted needle component, 534-supporting plate, 535-shaft, 536-elastic piece, 54-guide mechanism three, 541-guide groove, 542-clamping mechanism, 543-clamping cylinder, 544-pressing block, 55-auxiliary feeding mechanism, 551-abutting plate, 552-pressing plate, 553-force applying rod, 554-limiting plate, 555-rotating wheel, 556-lever, 557-pivot point, 558-lifting mechanism,
6-Sewing machine, 61-sewing machine head and 62-sewing machine seat;
7-material taking chucks, 71-material taking mounting plates, 72-material taking telescopic mechanisms, 73-material taking ejection mechanisms and 74-chucks;
8-limiting mechanisms, 81-telescopic limiting blocks and 82-clamping blocks;
9-buckle device, 91-pushing mechanism, 92-slot, 93-latch, 931-stopper, 94-buckle connector board, 941-stopper groove.
Detailed Description
The invention will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the invention, which are presented only by way of illustration, and thus show only the structures that are relevant to the invention.
As shown in fig. 1-11, the hanging strip sewing machine set of the invention comprises a frame 1, wherein the frame 1 comprises a conveying cavity 16 arranged in the frame 1, an operating table 15 is arranged in the conveying cavity 16, conveying frames 11 are arranged at two sides of the operating table 15, supporting frames 12 are arranged at two ends of the conveying cavity 16, and a beam bracket 13 positioned at the upper part of the conveying cavity 16 is arranged on the supporting frames 12. The conveying frame 11 is provided with a conveying table 2 for conveying the first material. The conveyor table 2 is driven by a conveyor belt 21 and a conveyor belt driving mechanism 23 according to the prior art. And a plurality of auxiliary supporting rotary rods 22 for supporting one side surface of the material are pivotally connected to the conveying frame 11 on at least one side of the conveying belt 21. The beam bracket 13 is provided with a plurality of transmission line rails 131, and the transmission line rails 131 are slidably provided with a material taking chuck 7, a material feeding and needle reversing mechanism 5 and a sewing machine 6 which are opposite to the operation table 15. One side of the frame 1 is provided with a feeding mechanism 4 for conveying a second material, and a lifting table 14 capable of lifting up and down is arranged between an operating table 15 and the conveying table 2.
In a preferred embodiment of the present invention, as shown in fig. 3 and 11, the feeding mechanism 4 is sequentially provided with a first guiding mechanism 41 and a second guiding and breaking mechanism 42 for conveying the second material according to the conveying direction of the second material, and the second guiding and breaking mechanism 42 includes a track roller group 421 and a second guiding mechanism 423 for smoothing the second material, and a cutting mechanism 424 for cutting the second material. Two ends of the second material guiding mechanism 423 are provided with a first conveying groove 422 for penetrating the second material, and a cutting mechanism 424 penetrates through the first conveying groove 422 at the rear end.
In a preferred technical scheme of the invention, the feeding inverted needle mechanism 5 and the sewing machine 6 which are arranged on the frame 1 in a sliding manner are locked and separated through the buckling device 9, the limiting block 931 penetrating through the mounting plate 51 is pushed and pulled through the pushing mechanism 91 of the buckling device 9, and press-fit locking and separation unlocking are carried out between the limiting block 931 and the buckling joint plate 94 arranged on the sewing machine 6.
Specifically, as shown in fig. 3-5 and 11, the feeding and reversing mechanism 5 comprises a mounting plate 51 slidably arranged on the frame 1, the mounting plate 51 is in driving connection with the frame 1 through a driving mechanism, a lifting device 52 is arranged on the mounting plate 51, a conveying device 53 capable of lifting on the frame 1 is arranged on the lifting device 52, and a material guiding mechanism three 54 and an auxiliary feeding mechanism 55 are slidably arranged on the conveying device 53. The conveying device 53 is also provided with a needle reversing assembly 533, and the third material guiding mechanism 54 and the auxiliary feeding mechanism 55 are in driving connection with the conveying device 53 through the needle reversing assembly 533.
In a preferred technical scheme of the invention, as shown in fig. 10, an auxiliary material supporting mechanism 3 facing the conveying table 2 is arranged on the frame 1, the auxiliary material supporting mechanism 3 comprises a portal frame 31 arranged on the conveying table 2, a displacement driving mechanism 32 is arranged on the portal frame 31, a sliding support 33 arranged on the portal frame in a sliding manner is connected to the displacement driving mechanism 32 in a driving manner, a lifting frame 34 capable of lifting is arranged on the portal frame 31, and one end, close to the conveying table 2, of the lifting frame 34 is provided with a pivot connection supporting roller 35.
In a preferred technical scheme of the invention, as shown in fig. 3 and 8, a material taking chuck 7 is arranged on a frame 1, the material taking chuck 7 comprises a material taking mounting plate 71 arranged on the frame 1, a displacement device is arranged on the material taking mounting plate 71, and the displacement device drives a chuck 74 to displace to clamp and push a material two. The limiting mechanism 8 further comprises a telescopic limiting block 81 arranged on the frame 1 and a clamping block 82 which is arranged on the back surface of the mounting plate 51 in the feeding inverted needle mechanism 5 and corresponds to the telescopic limiting block 81 to be in propping limiting.
The working principle of the hanging strip sewing machine set is as follows:
as shown in fig. 1 to 11, a first material is transferred onto the operation table 15 by the transfer tables 2 provided on both sides of the operation table 15.
Simultaneously, the first material guiding mechanism 41 of the feeding mechanism 4 is penetrated into the second material, then the second material sequentially penetrates through the first material guiding support 17 and the second material guiding support 18, the first material guiding support 17 and the second material guiding support 18 are arranged on the frame 1 in a staggered mode, then the second material is penetrated into the material guiding roller group 421, the first conveying groove 422 and the second material guiding mechanism 423 of the dredging and cutting mechanism 42, and is penetrated out from the material cutting mechanism 424 arranged on the second material guiding mechanism 423.
The feeding and reversing mechanism 5 and the sewing machine 6 which are arranged on the frame 1 in a sliding manner are locked and separated through the buckling device 9, the limiting block 931 penetrating through the mounting plate 51 is pushed and pulled through the pushing mechanism 91 of the buckling device 9, pressing and locking are carried out between the limiting block 931 and the buckling joint plate 94 arranged on the sewing machine 6, the feeding and reversing mechanism 5 and the sewing machine 6 slide to the feeding position of the feeding mechanism 4, after the second material is penetrated out of the material guiding mechanism three 54 in the feeding and reversing mechanism 5, the feeding and reversing mechanism 5 clamps the second material, the feeding and reversing mechanism 5 and the sewing machine 6 slide to the other end of the frame, the reversing mechanism 5 synchronously pulls the other end of the feeding and reversing mechanism 1 to a designated position, at the moment, when a clamping block 82 arranged at the back of the feeding and reversing mechanism 5 reaches the position of a corresponding telescopic limiting block 81 arranged on the frame 1, the telescopic limiting block 81 is pushed forward and abutted against the clamping block 82, the position of the feeding and reversing mechanism three 54 and the auxiliary feeding mechanism 55 in the feeding mechanism 5 is limited through the mutual matching of the telescopic limiting block 81 and the clamping block 82 in the limiting mechanism 8, the sewing machine 6 continues sliding and is carried out after the second material is penetrated out of the material and the feeding and the material is clamped by the feeding and reversing mechanism 5, the feeding and the sewing machine 6 slides to the other end of the sewing mechanism 6 is pulled back to the sewing position of the corresponding limiting block 81, and the sewing machine 81 is synchronously pulled back to the position of the sewing limiting block 81 is correspondingly driven, and the sewing material is reversely pulled back to the position of the feeding and the sewing limiting block 81.
The above-described preferred embodiments according to the present invention are intended to suggest that, in view of the above description, various changes and modifications may be made by persons skilled in the art without departing from the scope of the technical spirit of the present invention.