CN111206336B - Double-needle comprehensive feeding, cutting, overedging and sewing integrated sewing machine - Google Patents
Double-needle comprehensive feeding, cutting, overedging and sewing integrated sewing machine Download PDFInfo
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- CN111206336B CN111206336B CN201811388622.0A CN201811388622A CN111206336B CN 111206336 B CN111206336 B CN 111206336B CN 201811388622 A CN201811388622 A CN 201811388622A CN 111206336 B CN111206336 B CN 111206336B
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B1/00—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both
- D05B1/08—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both for making multi-thread seams
- D05B1/12—Lock-stitch seams
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/10—Work-feeding means with rotary circular feed members
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B35/00—Work-feeding or -handling elements not otherwise provided for
- D05B35/06—Work-feeding or -handling elements not otherwise provided for for attaching bands, ribbons, strips, or tapes or for binding
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B37/00—Devices incorporated in sewing machines for slitting, grooving, or cutting
- D05B37/04—Cutting devices
- D05B37/06—Cutting devices with oscillating tools
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B55/00—Needle holders; Needle bars
- D05B55/10—Needle bars for multiple-needle sewing machines
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B55/00—Needle holders; Needle bars
- D05B55/14—Needle-bar drives
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a double-needle comprehensive feeding, cutting and overedging integrated sewing machine which comprises a machine head, a base plate, a trimming mechanism, an overedging mechanism, a first sewing mechanism, a second sewing mechanism, a trimming transmission mechanism, a first transmission mechanism and a second transmission mechanism, wherein the machine head comprises a cross rod and an upright post, the trimming mechanism and the second sewing mechanism are arranged on the base plate, the first sewing mechanism, the trimming transmission mechanism and the first transmission mechanism are arranged on the cross rod, the second transmission mechanism is arranged below the base plate, the trimming structure is in transmission connection with the trimming transmission mechanism, the first sewing mechanism is in transmission connection with the first transmission mechanism, and the overedging mechanism and the second sewing mechanism are in transmission connection with the second transmission mechanism. The invention combines three processes of edge cutting, edge covering and sewing into one process to complete, thereby improving the working efficiency of the sewing machine, reducing the labor cost of enterprises and improving the benefits of the enterprises.
Description
Technical Field
The invention relates to the field of sewing machines, in particular to a double-needle comprehensive feeding, cutting, overlock sewing and integrated sewing machine.
Background
At present, the double-needle edge covering needs three processes, namely edge cutting, sewing and edge covering, the three processes are separately carried out, the labor cost of an enterprise is increased, the production benefit of the enterprise cannot be improved, but no sewing machine integrating edge cutting, sewing and edge covering for thick materials exists in the market at present, the sewing machine for comprehensively feeding the thick materials needs to be a sewing machine for feeding the thick materials, namely, synchronous feeding of a feed dog, a machine needle and a presser foot.
Therefore, the applicant proposes a double-needle comprehensive feeding sewing machine which combines three processes of trimming, sewing and edge covering into one process.
Disclosure of Invention
The invention aims to provide a double-needle comprehensive feeding, cutting and overlock sewing integrated sewing machine to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a double needle is synthesized pay-off and is cut integrative sewing machine of overedged, the sewing machine includes the aircraft nose, the bottom plate, the side cut mechanism, the mechanism of borduring, first sewing mechanism, the second sewing mechanism, side cut drive mechanism, first drive mechanism and second drive mechanism, the aircraft nose shape is the L type, the aircraft nose includes horizontal pole and stand, the stand, side cut mechanism and second sewing mechanism set up on the bottom plate, first sewing mechanism, side cut drive mechanism, first drive mechanism sets up on the horizontal pole, first sewing structure sets up the top at the second sewing structure, second drive mechanism sets up the below at the bottom plate, side cut structure is connected with side cut drive mechanism transmission, first sewing mechanism is connected with first drive mechanism transmission, the mechanism of borduring, second sewing mechanism is connected with second drive mechanism transmission.
In the technical scheme, the sewing machine combines three processes of edge cutting, edge covering and sewing on one sewing machine, so that the production benefit is improved; the trimming mechanism is used for trimming the thick materials, the edge covering mechanism is used for covering the edges of the thick materials, the first sewing mechanism and the second sewing mechanism are used in a matched mode and used for sewing the thick materials, the trimming transmission mechanism is used for transmitting the thick materials to the trimming mechanism to enable the trimming mechanism to operate, the first transmission mechanism is used for transmitting the thick materials to the first sewing mechanism to enable the first sewing mechanism to operate, the second transmission mechanism is used for transmitting the edge covering mechanism and the second sewing mechanism to enable the edge covering mechanism and the second sewing mechanism to operate, and in the sewing machine, the trimming transmission mechanism, the first transmission mechanism and the second transmission mechanism work simultaneously, so that the trimming mechanism, the edge covering mechanism, the first sewing mechanism and the second sewing mechanism operate simultaneously, and the working efficiency of the sewing machine is improved.
As a preferred scheme, the trimming transmission mechanism comprises an eccentric wheel, an eccentric wheel connecting rod, a connecting frame, a connecting shaft frame, a cutter driving frame guide frame, a feeding swing rod shaft and a feeding swing rod connecting shaft, the trimming mechanism comprises a cutter frame base and a needle plate stationary knife assembly, a first upper shaft is arranged in a cross rod, one end of the first upper shaft is provided with a driving wheel, the other end of the first upper shaft is provided with an upper shaft front sleeve, the eccentric wheel is arranged on the first upper shaft, one end of the eccentric wheel connecting rod is connected with the eccentric wheel, the other end of the eccentric wheel connecting rod is connected with the connecting frame through the connecting shaft, a movable cutter lifting crank shaft is arranged on the connecting frame, the connecting frame is connected with the connecting shaft frame through the movable cutter lifting crank shaft, the connecting shaft frame is fixed on the cross rod, the cutter driving frame guide frame is arranged below the connecting shaft frame, a pressing rod lower sleeve is arranged above the cutter driving frame guide frame, the pressing rod lower sleeve is fixed on the cross rod, and the feeding swing rod comprises a first round hole and a second round hole, a feeding swing rod connecting shaft is arranged in the first round hole, a feeding swing rod shaft is arranged in the second round hole, the feeding swing rod is connected with the connecting frame through the feeding swing rod connecting shaft, the feeding swing rod is connected with the knife rest base through the feeding swing rod shaft, the feeding swing rod shaft penetrates through the knife rest base to be connected with the cutter driving frame guide frame, the knife rest base is fixed on the bottom plate, the knife rest base is provided with the movable knife rest, the movable knife rest is fixed on the movable knife rest, the movable knife is arranged on the movable knife rest base, the needle plate fixed knife assembly is arranged on one side of the movable knife, and the movable knife and the needle plate fixed knife assembly are arranged close to the second sewing mechanism.
In the technical scheme, when the edge cutting structure cuts edges of thick materials, the driving wheel is rotated firstly, the driving wheel rotates to drive the first upper shaft to rotate, the first upper shaft rotates to drive the eccentric wheel to rotate, the eccentric wheel drives the connecting frame to rotate through the eccentric wheel connecting rod, the connecting frame drives the knife rest base to move through the feeding swing rod, the knife rest base is provided with the moving knife rest, the moving knife rest is fixed on the moving knife rest, the moving knife is arranged on the moving knife rest, and therefore the knife rest base drives the moving knife to move up and down along the needle plate fixed knife assembly, and edge cutting of the thick materials is achieved.
As a preferred scheme, a first transmission mechanism and a second transmission mechanism are both arranged below a first upper shaft, one end of the first upper shaft close to a driving wheel is also provided with an upper synchronous belt wheel and a feeding eccentric wheel, the upper synchronous belt wheel is provided with a synchronous belt, the feeding eccentric wheel is provided with a feeding eccentric wheel connecting rod, the first transmission mechanism comprises a needle rod swinging connecting rod and a needle rod swinging shaft, the needle rod swinging connecting rod is connected with the feeding eccentric wheel connecting rod, two ends of the needle rod swinging shaft are respectively provided with a first needle rod swinging crank and a second needle rod swinging crank, the first needle rod swinging crank is connected with the needle rod swinging connecting rod, the second needle rod swinging crank is connected with a first sewing mechanism, the second transmission mechanism comprises a lower shaft and a cloth feeding shaft, the lower shaft is provided with a lower synchronous belt wheel, the lower synchronous wheel is connected with the upper synchronous belt wheel through the synchronous belt, one end of the lower shaft far away from the lower synchronous belt wheel is also provided with a large gear, the big gear is connected with the second sewing mechanism, a cloth feeding crank and a tooth rack crank are arranged on the cloth feeding shaft, a cloth feeding long connecting rod is arranged between the cloth feeding crank and the first needle rod swinging crank, a tooth rack is arranged on the tooth rack crank, and the tooth rack is connected with the second sewing mechanism.
In the technical scheme, the driving wheel drives the first upper shaft to rotate when rotating, the first upper shaft drives the eccentric wheel, the feeding eccentric wheel and the upper synchronous belt pulley to rotate when rotating, the eccentric wheel drives the connecting frame to rotate through the eccentric wheel connecting rod, and the connecting frame drives the tool rest base to move through the feeding swing rod so as to drive the movable tool to work; the feeding eccentric wheel drives the needle bar swinging shaft to rotate through the feeding eccentric wheel connecting rod and the needle bar swinging connecting rod, the needle bar swinging shaft drives the first sewing mechanism to work, a synchronous belt is arranged between the upper synchronous belt wheel and the lower synchronous belt wheel, the lower synchronous belt wheel also rotates along with the upper synchronous belt wheel, the lower synchronous belt wheel rotates to drive the lower shaft to rotate, and the lower shaft drives the second sewing mechanism to work; be provided with first needle bar swing crank and second needle bar swing crank on the needle bar oscillating axle, the work feed crank passes through the long connecting rod of work feed and is connected with first needle bar swing crank, therefore when the needle bar oscillating axle rotates, the needle bar oscillating axle drives the work feed axle through first needle bar swing crank and the long connecting rod of work feed and rotates, the work feed axle drives the mechanism of borduring and sews up the mechanism work, side cut drive mechanism, first drive mechanism, second drive mechanism all rotates through the action wheel and drives, and side cut drive mechanism, first drive mechanism, second drive mechanism simultaneous working, make side cut mechanism, the mechanism of borduring, first sewing up the mechanism, second sewing up the mechanism simultaneous working.
Preferably, the edge covering mechanism comprises an edge covering feeding crank, an edge covering connecting rod, an edge covering feeding sliding block, an edge covering frame guide rail, an edge covering frame mounting plate sleeve and an edge covering cylinder, the edge covering feeding crank is fixed on the cloth feeding shaft, one end of the edge covering connecting rod is connected with the edge covering feeding crank, the other end of the edge covering connecting rod is connected with the edge covering feeding sliding block, the edge covering frame crank is arranged above the edge covering feeding sliding block, an edge covering frame swinging crank is arranged above the edge covering frame crank, the edge covering frame swinging crank is arranged below the edge covering frame guide rail, the edge covering frame guide rail is fixed below the edge covering frame mounting plate, the edge covering frame mounting plate is fixed on the bottom plate through the edge covering frame mounting plate sleeve, the edge covering frame is arranged on the edge covering frame mounting plate, an edge covering frame pin, an edge covering cylinder connecting frame and an edge covering cylinder connecting frame are, The edge wrapping belt is arranged in the edge wrapping cylinder.
In the technical scheme, when the edge covering mechanism is used for covering the thick materials, the cloth feeding shaft drives the edge covering connecting rod to swing through the edge covering feeding crank, the edge covering connecting rod drives the edge covering frame crank to rotate through the edge covering feeding sliding block, the edge covering frame crank drives the edge covering frame swinging crank to rotate, the edge covering frame swinging crank drives the edge covering frame to rotate through the edge covering frame guide rail, the edge covering frame rotates by taking an edge covering frame pin as a center, the edge covering frame rotates, the edge covering cylinder connecting frame also rotates, so that the edge covering cylinder is driven to rotate, and the edge covering cylinder can send edge covering belts to the sewing mechanism; the edge covering frame is fixed on the edge covering frame mounting plate through an edge covering frame pin.
Preferably, a needle rod crank is further arranged at one end, close to the upper shaft front sleeve, of the first upper shaft, the first sewing mechanism comprises a needle rod assembly and a machine needle, the needle rod crank and the second needle rod swinging crank are connected with the needle rod assembly, the machine needle is arranged on the needle rod assembly, the second sewing mechanism comprises an outer presser foot, an inner presser foot, a cloth feeding tooth and a rotating shuttle, a small gear is arranged below the rotating shuttle, the rotating shuttle is in transmission connection with the small gear, the small gear is meshed with a large gear, the cloth feeding tooth is arranged above the tooth rack, and the outer presser foot and the inner presser foot are arranged above the cloth feeding tooth and are arranged below the machine needle.
In the technical scheme, the first upper shaft drives the needle rod assembly to work through the needle rod crank and the needle rod swinging shaft through the second needle rod swinging crank, the needle rod assembly drives the machine needle to work, the lower shaft drives the rotating shuttle to work through the meshing of the large gear and the small gear, the cloth feeding shaft drives the cloth feeding teeth to work through the tooth rack crank and the tooth rack, and the inner presser foot and the outer presser foot are used for pressing cloth.
As a preferred scheme, the trimming mechanism also comprises a base swinging seat, a tool rest base shaft, a base guide seat, a base guide shaft, a movable tool pressure adjusting block and a base guide block, wherein the base swinging seat is connected with the tool rest base through the tool rest base shaft, the base guide seat is arranged on a bottom plate, the base guide seat is arranged on one side of the base swinging seat, one end of the base guide shaft is fixed on the base swinging seat, the other end of the base guide shaft penetrates through the base guide seat, the movable knife pressure adjusting block is fixedly connected with the movable knife pressure adjusting block, one end of the base guide block is fixed on the base swing seat, the other end of the base guide block is provided with a first guide part, the base guide seat is provided with a first guide groove, the first guide part is matched with the first guide groove for use, the movable knife pressure adjusting block is provided with a pressure adjusting screw, the pressure adjusting screw penetrates through the movable knife pressure adjusting block, and a pressure regulating spring is arranged between the base guide seat and the movable knife pressure adjusting block.
In above-mentioned technical scheme, through rotatory pressure regulating screw, can adjust the pressure between moving sword and the faller stationary knife subassembly, when the pressure regulating screw is rotatory towards the direction of being close to the base guide holder, the base guide holder passes through base swing seat and takes the tool rest base toward the direction motion of keeping away from the faller stationary knife subassembly, move the direction motion that the sword also just moved away from the faller stationary knife subassembly, move the pressure between sword and the faller stationary knife subassembly and diminish, when the pressure regulating screw is rotatory towards the direction of keeping away from the base guide holder, the base guide holder passes through base swing seat and takes the tool rest base toward the direction motion of being close to the faller stationary knife subassembly, move the sword also toward the direction motion of being close to the faller stationary knife subassembly, move the pressure grow between sword and the faller stationary knife subassembly.
As preferred scheme, the side cut device still includes first spanner fixing base, second spanner fixing base and moves the knife spanner, and first spanner fixing base and second spanner fixing base set up on the bottom plate, are provided with between first spanner fixing base and the second spanner fixing base and move the knife spanner crank and move the knife arm-tie, move the knife arm-tie and be connected with base swing seat, move the one end of knife spanner and move knife spanner crank connection, move the other end of knife spanner and pass first spanner fixing base.
In the technical scheme, the movable knife wrench is used for adjusting the position of the movable knife, when the movable knife wrench is pulled leftwards, the movable knife wrench drives the movable knife wrench crank to rotate leftwards, the movable knife wrench crank drives the base swinging seat to move leftwards through the movable knife pulling plate, the base swinging seat moves to drive the knife rest base to move leftwards, the knife rest base moves to drive the movable knife rest and the movable knife base to move, the movable knife is arranged on the movable knife rest, so that the movable knife moves leftwards, and the movable knife and the needle plate fixed knife component are tightly attached to each other; when the movable knife spanner is pulled rightwards, the movable knife spanner drives the movable knife spanner crank to rotate rightwards, the movable knife spanner crank drives the base swing seat to move rightwards through the movable knife pulling plate, the base swing seat moves to drive the knife rest base to move rightwards, the knife rest base moves to drive the movable knife rest and the movable knife base to move, the movable knife is arranged on the movable knife rest, and therefore the movable knife moves rightwards, and the movable knife is far away from the needle plate fixed knife assembly.
According to the preferable scheme, a third groove is formed in the movable cutter holder, the movable cutter is arranged in the third groove, a movable cutter pad is arranged between the movable cutter and the third groove, a movable cutter ejector rod is arranged between the movable cutter holder and the movable cutter holder, one end of the movable cutter ejector rod is inserted into the movable cutter holder, and the other end of the movable cutter ejector rod penetrates through the movable cutter holder and abuts against the movable cutter pad.
In the technical scheme, the movable knife ejector rod is used for connecting the movable knife seat and the movable knife rest, the movable knife seat is used for fixing the position of the movable knife, and the movable knife pad is used for protecting the movable knife, so that the abrasion between the movable knife and the movable knife seat is reduced.
According to the preferable scheme, the edge covering mechanism further comprises an edge covering frame crank base, the edge covering frame crank base is fixed on the bottom plate and comprises a second upper shaft, the second upper shaft penetrates through the edge covering frame crank base to be connected with an edge covering frame swing crank, the edge covering frame crank is provided with a fourth groove, the fourth groove is a V-shaped groove, an edge covering feeding sliding block is fixed in the fourth groove, and an edge covering feeding sliding block cover is arranged on the edge covering feeding sliding block.
In the technical scheme, the hemming frame crank is provided with a fourth groove, the hemming feeding sliding block is fixed in the fourth groove, on one hand, the hemming frame crank can be driven to rotate when the hemming feeding sliding block rotates, the hemming belt can feed with a sewing mechanism at the same time, synchronous feeding is achieved, on the other hand, the hemming belt feeding amount can be adjusted by adjusting the position of the hemming feeding sliding block in the fourth groove of the hemming frame crank, and the hemming frame crank drives the hemming frame swing crank to rotate by taking the hemming frame crank seat as a supporting point.
As the preferred scheme, a first bearing is arranged between the driving wheel and the upper shaft, a needle bearing is arranged between the eccentric wheel and the eccentric wheel connecting rod, and a joint bearing is arranged between the feeding swing rod and the knife rest base.
In the technical scheme, the first bearing, the needle bearing and the joint bearing play a role in reducing friction force, so that the rotation between the driving wheel and the upper shaft, between the eccentric wheel and the eccentric wheel connecting rod and between the feeding swing rod and the tool rest base is smoother.
The parts of the invention can be fixed by screws, nuts and check rings, and can also be fixed by other modes.
Compared with the prior art, the invention has the beneficial effects that: the edge cutting mechanism, the edge covering mechanism and the sewing mechanism are integrated on one sewing machine, and the three processes of edge cutting, edge covering and sewing are combined into one process to be completed, so that the working efficiency of the sewing machine is improved, the labor cost of enterprises is reduced, and the benefits of the enterprises are improved.
Drawings
FIG. 1 is a schematic structural view of a double-needle integrated feeding, cutting, overlock and sewing integrated sewing machine of the invention;
FIG. 2 is an isometric view of a trimming mechanism of the double needle integrated feed, cut, and overlock sewing machine of the present invention;
FIG. 3 is an exploded view of the trimming mechanism of the double needle integrated feeding, cutting, overedging and sewing integrated sewing machine of the present invention;
FIG. 4 is an enlarged schematic structural view of the edge cutting mechanism of the double needle integrated feeding, cutting and overlock sewing machine at the position A;
FIG. 5 is a first schematic structural view of a first transmission mechanism and a second transmission mechanism of the double-needle integrated feeding, cutting, overlock and sewing integrated sewing machine of the invention;
FIG. 6 is a second schematic structural view of a first transmission mechanism and a second transmission mechanism of the double needle integrated feeding, cutting, overlock and sewing integrated sewing machine of the invention;
FIG. 7 is an isometric view of a hemming mechanism of a double needle integrated feed, cut and hem sewing machine of the present invention;
FIG. 8 is an exploded view of the covering mechanism of the double needle integrated feed, cut and sew sewing machine of the present invention;
FIG. 9 is an isometric view of a sewing mechanism of a double needle integrated feed, cut, and overlock sewing machine of the present invention;
FIG. 10 is an enlarged schematic structural view of a sewing mechanism at the position B of the double-needle integrated feeding, cutting, overlocking and sewing integrated sewing machine.
In the figure: 1-driving wheel, 2-machine head, 3-needle rod component, 4-moving knife rest, 5-moving knife, 6-moving knife rest, 7-cross bar, 8-outer presser foot, 9-inner presser foot, 10-needle plate stationary knife component, 11-feeding swing rod shaft, 12-knife driving rest guide frame, 13-feeding swing rod, 14-base guide shaft, 15-pressure regulating screw, 16-moving knife pressure adjusting block, 17-pressure regulating spring, 18-base guide seat, 19-base guide block, 20-base swing seat, 21-connecting shaft rest, 22-knife rest base, 23-first wrench fixing seat, 24-moving knife pulling plate, 25-moving knife wrench, 26-eccentric wheel connecting rod, 27-bottom plate, 28-connecting frame, 29-first bearing, 30-first upper shaft, 31-upper shaft front sleeve, 32-eccentric wheel, 33-second wrench fixing seat, 34-needle roller bearing, 35-moving knife ejector rod, 36-moving knife connecting shaft, 37-movable knife pad, 38-movable knife lifting crank shaft, 39-joint bearing, 40-feeding swing rod connecting shaft, 41-lower pressing rod sleeve, 42-knife rest base shaft, 43-movable knife spanner crank, 44-first round hole, 45-second round hole, 46-edge covering connecting rod, 47-edge covering feeding crank, 48-edge covering frame swinging crank, 49-edge covering frame guide rail, 50-edge covering frame mounting plate sleeve, 51-edge covering frame mounting plate, 52-edge covering frame, 53-edge covering frame pin, 54-edge covering belt guide frame, 55-edge covering cylinder connecting frame, 56-edge covering cylinder, 57-edge covering feeding slide block cover, 58-edge covering feeding slide block, 59-cloth feeding shaft, 60-edge covering frame crank base, 61-edge covering frame crank, 62-cloth feeding tooth, 63-rotating shuttle, 64-machine needle, 65-upper synchronous belt wheel, 66-synchronous belt wheel, 67-lower synchronous belt wheel, 68-feeding eccentric wheel, 69-needle rod swinging connecting rod, 70-cloth feeding long connecting rod, 71-cloth feeding crank, 72-feeding eccentric wheel, 73-needle rod crank, 74-first needle rod swinging crank, 75-second needle rod swinging crank, 76-upright post, 77-tooth rack crank, 78-tooth rack, 79-big gear, 80-small gear, 81-lower shaft, 82-needle rod swinging shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the embodiment of the invention, as shown in fig. 1, the sewing machine comprises a machine head 2, a base plate 27, a trimming mechanism, a taping mechanism, a first sewing mechanism, a second sewing mechanism, a trimming transmission mechanism, a first transmission mechanism and a second transmission mechanism, wherein the machine head 2 is L-shaped, the machine head 2 comprises a cross rod 7 and an upright post 76, the trimming mechanism and the second sewing mechanism are arranged on the base plate 27, the first sewing mechanism, the trimming transmission mechanism and the first transmission mechanism are arranged on the cross rod 7, the first sewing structure is arranged above the second sewing structure, the second transmission mechanism is arranged below the base plate 27, the trimming structure is in transmission connection with the trimming transmission mechanism, the first sewing mechanism is in transmission connection with the first transmission mechanism, and the taping mechanism and the second sewing mechanism are in transmission connection with the second transmission mechanism.
In the technical scheme, the sewing machine combines three processes of edge cutting, edge covering and sewing on one sewing machine, so that the production benefit is improved; the trimming mechanism is used for trimming the thick materials, the edge covering mechanism is used for covering the edges of the thick materials, the first sewing mechanism and the second sewing mechanism are used in a matched mode and used for sewing the thick materials, the trimming transmission mechanism is used for transmitting the thick materials to the trimming mechanism to enable the trimming mechanism to operate, the first transmission mechanism is used for transmitting the thick materials to the first sewing mechanism to enable the first sewing mechanism to operate, the second transmission mechanism is used for transmitting the edge covering mechanism and the second sewing mechanism to enable the edge covering mechanism and the second sewing mechanism to operate, and in the sewing machine, the trimming transmission mechanism, the first transmission mechanism and the second transmission mechanism work simultaneously, so that the trimming mechanism, the edge covering mechanism, the first sewing mechanism and the second sewing mechanism operate simultaneously, and the working efficiency of the sewing machine is improved.
As shown in fig. 2 to 4, the trimming transmission mechanism includes an eccentric wheel 32, an eccentric wheel connecting rod 26, a connecting frame 28, a connecting shaft 35, a connecting shaft frame 21, a cutter driving frame guide frame 12, a feeding swing rod 13, a feeding swing rod shaft 11 and a feeding swing rod connecting shaft 40, the trimming mechanism includes a cutter frame base 22 and a needle plate stationary cutter assembly 10, a first upper shaft 30 is provided in a cross bar 7, a driving wheel 1 is provided at one end of the first upper shaft 30, an upper shaft front sleeve 31 is provided at the other end, the eccentric wheel 32 is provided on the first upper shaft 30, one end of the eccentric wheel connecting rod 26 is connected with the eccentric wheel 32, the other end is connected with the connecting frame 28 through the connecting shaft 35, a movable cutter lifting crank shaft 38 is provided on the connecting frame 28, the connecting frame 28 is connected with the connecting shaft frame 21 through the movable cutter lifting crank shaft 38, the connecting shaft frame 21 is fixed on the cross bar 7, the cutter driving frame guide frame 12 is provided below the connecting shaft frame 21, a lower sleeve 41 of the pressing rod is arranged above the guide frame 12 of the cutter driving frame, the lower sleeve 41 of the pressing rod is fixed on the cross rod 7, and is connected with the first sewing mechanism, the feeding swing link 13 includes a first round hole 44 and a second round hole 45, a feeding swing link connecting shaft 40 is arranged in the first round hole 44, a feeding swing link shaft 11 is arranged in the second round hole 45, the feeding swing link 13 is connected with the connecting frame 28 through the feeding swing link connecting shaft 40, the feeding swing link 13 is connected with the knife rest base 22 through the feeding swing link shaft 11, the feeding swing link shaft 11 passes through the knife rest base 22 to be connected with the cutter driving frame guide frame 12, the knife rest base 22 is fixed on the bottom plate 27, the knife rest base 22 is provided with the movable knife rest 4, the movable knife rest 6 is fixed on the movable knife rest 4, the movable knife 5 is arranged on the movable knife rest 6, the needle board stationary knife assembly 10 is arranged at one side of the movable knife 5, and the movable knife 5 and the needle board stationary knife assembly 10 are arranged adjacent to the second sewing mechanism.
In the above technical scheme, when the trimming structure trims the thick materials, the driving wheel 1 is rotated first, the driving wheel 1 rotates to drive the first upper shaft 30 to rotate, the first upper shaft 30 rotates to drive the eccentric wheel 32 to rotate, the eccentric wheel 32 drives the connecting frame 28 to rotate through the eccentric wheel connecting rod 26, the connecting frame 28 drives the knife rest base 22 to move through the feeding swing rod 13, the knife rest base 22 is provided with the moving knife rest 4, the moving knife rest 6 is fixed on the moving knife rest 4, the moving knife 5 is arranged on the moving knife rest 6, so that the knife rest base 22 drives the moving knife 5 to move up and down along the needle plate fixed knife assembly 10, and trimming of the thick materials is realized.
As shown in fig. 5 and 6, the first transmission mechanism and the second transmission mechanism are both arranged below the first upper shaft 30, one end of the first upper shaft 30 close to the driving wheel 1 is further provided with an upper synchronous belt pulley 65 and a feeding eccentric wheel 72, the upper synchronous belt pulley 65 is provided with a synchronous belt 66, the feeding eccentric wheel 72 is provided with a feeding eccentric wheel connecting rod 68, the first transmission mechanism comprises a needle rod swinging connecting rod 69 and a needle rod swinging shaft 82, the needle rod swinging connecting rod 69 is connected with the feeding eccentric wheel connecting rod 68, two ends of the needle rod swinging shaft 82 are respectively provided with a first needle rod swinging crank 74 and a second needle rod swinging crank 75, the first needle rod swinging crank 74 is connected with the needle rod swinging connecting rod 69, the second needle rod swinging crank 75 is connected with the first sewing mechanism, the second transmission mechanism comprises a lower shaft 81 and a cloth feeding shaft 59, the lower shaft 81 is provided with a lower synchronous belt pulley 67, the lower synchronous wheel is connected with the upper synchronous belt pulley 65 through the synchronous belt 66, the lower shaft 81 is further provided with a big gear 79 at one end far away from the lower synchronous pulley 67, the big gear 79 is connected with the second sewing mechanism, the cloth feeding shaft 59 is provided with a cloth feeding crank 71 and a tooth frame crank 77, a cloth feeding long connecting rod 70 is arranged between the cloth feeding crank 71 and the first needle rod swinging crank 74, the tooth frame crank 77 is provided with a tooth frame, and the tooth frame is connected with the second sewing mechanism.
In the above technical solution, when the driving wheel 1 rotates, the first upper shaft 30 is driven to rotate, when the first upper shaft 30 rotates, the eccentric wheel 32, the feeding eccentric wheel 72, and the upper synchronous pulley 65 are driven to rotate, the eccentric wheel 32 drives the connecting frame 28 to rotate through the eccentric wheel connecting rod 26, and the connecting frame 28 drives the knife rest base 22 to move through the feeding swing rod 13, so as to drive the moving knife 5 to work; the feeding eccentric wheel 72 drives the needle rod swinging shaft 82 to rotate through the feeding eccentric wheel connecting rod 68 and the needle rod swinging connecting rod 69, the needle rod swinging shaft 82 drives the first sewing mechanism to work, a synchronous belt 66 is arranged between the upper synchronous belt wheel 65 and the lower synchronous belt wheel 67, the lower synchronous belt wheel 67 also rotates along with the upper synchronous belt wheel 65, the lower synchronous belt wheel 67 rotates to drive the lower shaft 81 to rotate, and the lower shaft 81 drives the second sewing mechanism to work; the needle bar swinging shaft 82 is provided with a first needle bar swinging crank 74 and a second needle bar swinging crank 75, the cloth feeding crank 71 is connected with the first needle bar swinging crank 74 through the cloth feeding long connecting rod 70, therefore, when the needle bar swinging shaft 82 rotates, the needle bar swinging shaft 82 drives the cloth feeding shaft 59 to rotate through the first needle bar swinging crank 74 and the cloth feeding long connecting rod 70, the cloth feeding shaft 59 drives the edge covering mechanism and the sewing mechanism to work, the edge cutting transmission mechanism, the first transmission mechanism and the second transmission mechanism are driven by the rotation of the driving wheel 1, the edge cutting transmission mechanism, the first transmission mechanism and the second transmission mechanism work simultaneously, and the edge cutting mechanism, the edge covering mechanism, the first sewing mechanism and the second sewing mechanism work simultaneously.
As shown in fig. 7 and 8, the hemming mechanism includes a hemming feed crank 47, a hemming link 46, a hemming feed slider 58, a hemming frame guide rail 49, a hemming frame mounting plate 51, a hemming frame mounting plate cover 50 and a hemming cylinder 56, the hemming feed crank 47 is fixed on the cloth feed shaft 59, one end of the hemming link 46 is connected to the hemming feed crank 47, the other end of the hemming link 46 is connected to the hemming feed slider 58, a hemming frame crank 61 is provided above the hemming feed slider 58, a hemming frame swing crank 48 is provided above the hemming frame crank 61, the hemming frame swing crank 48 is provided below the hemming frame guide rail 49, the hemming frame guide rail 49 is fixed below the hemming frame mounting plate 51, the hemming frame mounting plate 51 is fixed on the bottom plate 27 through the hemming frame mounting plate cover 50, a hemming frame 52 is provided on the hemming frame mounting plate 51, a hemming frame pin 53 is provided on the hemming frame 52, A bordure section of thick bamboo link 55 and bordure area guide frame 54, bordure a section of thick bamboo 56 and bordure a section of thick bamboo link 55 and be connected, be provided with the bordure area in bordure area guide frame 54, the bordure section of thick bamboo 56.
In the technical scheme, when the edge covering mechanism is used for covering thick materials, the cloth feeding shaft 59 drives the edge covering connecting rod 46 to swing through the edge covering feeding crank 47, the edge covering connecting rod 46 drives the edge covering frame crank 61 to rotate through the edge covering feeding sliding block 58, the edge covering frame crank 61 drives the edge covering frame swinging crank 48 to rotate, the edge covering frame swinging crank 48 drives the edge covering frame 52 to rotate through the edge covering frame guide rail 49, the edge covering frame 52 rotates by taking the edge covering frame pin 53 as a center, the edge covering frame 52 rotates, the edge covering cylinder connecting frame 55 also rotates, so that the edge covering cylinder 56 is driven to rotate, and the edge covering cylinder 56 can send edge covering areas to the sewing mechanism; the hemming frame 52 is fixed to the hemming frame mounting plate 51 by a hemming frame pin 53.
As shown in fig. 9 and 10, a needle bar crank 73 is further provided at an end of the first upper shaft 30 close to the upper shaft front sleeve 31, the first sewing mechanism includes a needle bar assembly 3 and a needle 64, the needle bar crank 73 and the second needle bar swing crank 75 are connected to the needle bar assembly 3, the needle 64 is provided on the needle bar assembly 3, the second sewing mechanism includes an outer presser foot 8, an inner presser foot 9, a feed dog 62 and a rotary shuttle 63, a pinion 80 is provided below the rotary shuttle 63, the rotary shuttle 63 is in transmission connection with the pinion 80, the pinion 80 is engaged with a bull gear 79, the feed dog 62 is provided above the rack, the outer presser foot 8 and the inner presser foot 9 are provided above the feed dog 62 and below the needle 64.
In the above technical solution, the first upper shaft 30 drives the needle bar assembly 3 to work through the needle bar crank 73 and the needle bar swinging shaft 82 through the second needle bar swinging crank 75, the needle bar assembly 3 drives the machine needle 64 to work, the lower shaft 81 drives the rotating shuttle 63 to work through the large gear 79 and the small gear 80, the cloth feeding shaft 59 drives the cloth feeding teeth 62 to work through the tooth rack crank 77 and the tooth rack, and the inner pressing foot 9 and the outer pressing foot 8 are used for pressing cloth.
The trimming mechanism also comprises a base swing seat 20, a cutter frame base shaft 42, a base guide seat 18, a base guide shaft 14, a movable cutter pressure adjusting block 16 and a base guide block 19, wherein the base swing seat 20 is connected with a cutter frame base 22 through the cutter frame base shaft 42, the base guide seat 18 is arranged on the bottom plate 27, the base guide seat 18 is arranged on one side of the base swing seat 20, one end of the base guide shaft 14 is fixed on the base swing seat 20, the other end of the base guide shaft passes through the base guide seat 18 and is fixedly connected with the movable cutter pressure adjusting block 16, one end of the base guide block 19 is fixed on the base swing seat 20, the other end of the base guide block is provided with a first guide groove, the first guide part is matched with the first guide groove for use, the movable cutter pressure adjusting block 16 is provided with a pressure adjusting screw 15, the pressure adjusting screw 15 passes through the movable cutter pressure adjusting block 16 and is connected with the base guide seat 18, a pressure regulating spring 17 is arranged between the base guide seat 18 and the moving blade pressure adjusting block 16.
In the above technical scheme, through rotating pressure regulating screw 15, can adjust the pressure between moving sword 5 and faller fixed blade subassembly 10, when pressure regulating screw 15 is rotatory towards the direction that is close to base guide holder 18, base guide holder 18 drives knife rest base 22 through base swing seat 20 and moves towards the direction of keeping away from faller fixed blade subassembly 10, moving sword 5 also moves towards the direction of keeping away from faller fixed blade subassembly 10, the pressure between moving sword 5 and faller fixed blade subassembly 10 diminishes, when pressure regulating screw 15 is rotatory towards the direction of keeping away from base guide holder 18, base guide holder 18 drives knife rest base 22 through base swing seat 20 and moves towards the direction that is close to faller fixed blade subassembly 10, moving sword 5 also moves towards the direction that is close to faller fixed blade subassembly 10, the pressure between moving sword 5 and the faller fixed blade subassembly 10 enlarges.
The trimming device further comprises a first wrench fixing seat 23, a second wrench fixing seat 33 and a movable knife wrench 25, the first wrench fixing seat 23 and the second wrench fixing seat 33 are arranged on the bottom plate 27, a movable knife wrench crank 43 and a movable knife pull plate 24 are arranged between the first wrench fixing seat 23 and the second wrench fixing seat 33, the movable knife pull plate 24 is connected with the base swing seat 20, one end of the movable knife wrench 25 is connected with the movable knife wrench crank 43, and the other end of the movable knife wrench 25 penetrates through the first wrench fixing seat 23.
In the above technical solution, the movable knife wrench 25 is used to adjust the position of the movable knife 5, when the movable knife wrench 25 is pulled leftward, the movable knife wrench 25 drives the movable knife wrench crank 43 to rotate leftward, the movable knife wrench crank 43 drives the base swing seat 20 to move leftward through the movable knife pull plate 24, the base swing seat 20 moves to drive the knife rest base 22 to move leftward, the knife rest base 22 moves to drive the movable knife rest 4 and the movable knife seat 6 to move, the movable knife 5 is arranged on the movable knife seat 6, so that the movable knife 5 moves leftward, and the movable knife 5 and the needle plate fixed knife assembly 10 are tightly attached; when the movable knife spanner 25 is pulled rightwards, the movable knife spanner 25 drives the movable knife spanner crank 43 to rotate rightwards, the movable knife spanner crank 43 drives the base swing seat 20 to move rightwards through the movable knife pull plate 24, the base swing seat 20 drives the knife rest base 22 to move rightwards, the knife rest base 22 moves to drive the movable knife rest 4 and the movable knife rest 6 to move, the movable knife 5 is arranged on the movable knife rest 6, and therefore the movable knife 5 moves rightwards, and the movable knife 5 is far away from the needle plate fixed knife assembly 10.
A third groove is formed in the movable knife holder 6, the movable knife 5 is arranged in the third groove, a movable knife pad 37 is arranged between the movable knife 5 and the third groove, a movable knife ejector rod 36 is arranged between the movable knife rest 4 and the movable knife holder 6, one end of the movable knife ejector rod 36 is inserted into the movable knife rest 4, and the other end of the movable knife ejector rod 36 penetrates through the movable knife holder 6 to abut against the movable knife pad 37.
In the above technical solution, the movable blade ejector rod 36 is used to connect the movable blade holder 6 and the movable blade holder 4, the movable blade holder 6 is used to fix the position of the movable blade, and the movable blade pad 37 is used to protect the movable blade 5, so as to reduce the abrasion between the movable blade 5 and the movable blade holder 6.
The edge covering mechanism further comprises an edge covering frame crank seat 60, the edge covering frame crank seat 60 is fixed on the bottom plate 27, the edge covering frame crank 61 comprises a second upper shaft, the second upper shaft penetrates through the edge covering frame crank seat 60 to be connected with the edge covering frame swing crank 48, the edge covering frame crank 61 is provided with a fourth groove, the fourth groove is a V-shaped groove, the edge covering feeding sliding block 58 is fixed in the fourth groove, and an edge covering feeding sliding block cover 57 is arranged on the edge covering feeding sliding block 58.
In the technical scheme, the hemming frame crank 61 is provided with a fourth groove, the hemming feeding slider 58 is fixed in the fourth groove, on one hand, the hemming frame crank 61 can be driven to rotate when the hemming feeding slider 58 rotates, the hemming belt can feed with a sewing mechanism simultaneously, synchronous feeding is achieved, on the other hand, the hemming belt feeding amount can be adjusted by adjusting the position of the hemming feeding slider 58 in the fourth groove of the hemming frame crank 61, and the hemming frame crank 61 drives the hemming frame swing crank 48 to rotate by taking the hemming frame crank seat 60 as a supporting point.
A first bearing 29 is arranged between the driving wheel 1 and the upper shaft, a needle bearing 34 is arranged between the eccentric wheel 32 and the eccentric wheel connecting rod 26, and a joint bearing 39 is arranged between the feeding swing rod 13 and the tool rest base 22.
In the above technical solution, the first bearing 29, the needle bearing 34 and the joint bearing 39 play a role of reducing friction force, so that the rotation between the driving wheel 1 and the upper shaft, between the eccentric wheel 32 and the eccentric wheel connecting rod 26, and between the feeding swing rod 13 and the tool rest base 22 is smoother.
The working principle of the invention is as follows: when the sewing machine works, the outer presser foot 8 and the inner presser foot 9 are lifted, thick materials are put in, then when the driving wheel 1 is rotated, the driving wheel 1 drives the first upper shaft 30 to rotate when rotating, the first upper shaft 30 drives the eccentric wheel 32, the feeding eccentric wheel 72 and the upper synchronous belt wheel 65 to rotate when rotating, the eccentric wheel 32 drives the connecting frame 28 to rotate through the eccentric wheel connecting rod 26, and the connecting frame 28 drives the knife rest base 22 to move through the feeding swing rod 13, so that the movable knife 5 is driven to work; the feeding eccentric wheel 72 drives the needle rod swinging shaft 82 to rotate through the feeding eccentric wheel connecting rod 68 and the needle rod swinging connecting rod 69, the needle rod swinging shaft 82 drives the first sewing mechanism to work, a synchronous belt 66 is arranged between the upper synchronous belt wheel 65 and the lower synchronous belt wheel 67, so the lower synchronous belt wheel 67 also rotates along with the upper synchronous belt wheel 65, the lower synchronous belt wheel 67 rotates to drive the lower shaft 81 to rotate, and the lower shaft 81 drives the second sewing mechanism to work; the needle rod swinging shaft 82 is provided with a first needle rod swinging crank 74 and a second needle rod swinging crank 75, the cloth feeding crank 71 is connected with the first needle rod swinging crank 74 through the cloth feeding long connecting rod 70, therefore, when the needle rod swinging shaft 82 rotates, the needle rod swinging shaft 82 drives the cloth feeding shaft 59 to rotate through the first needle rod swinging crank 74 and the cloth feeding long connecting rod 70, the cloth feeding shaft 59 drives the edge covering mechanism and the second sewing mechanism to work, the edge cutting transmission mechanism, the first transmission mechanism and the second transmission mechanism are all driven by the rotation of the driving wheel 1, the edge cutting transmission mechanism, the first transmission mechanism and the second transmission mechanism work simultaneously, so that the edge cutting mechanism, the edge covering mechanism, the first sewing mechanism and the second sewing mechanism work simultaneously, thereby the edge cutting, the edge covering and the sewing are carried out simultaneously, and the three processes are combined into one process.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes 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.
Claims (7)
1. The utility model provides a two needles are synthesized pay-off and are cut integrative sewing machine of overedgement which characterized in that: the sewing machine comprises a machine head (2), a bottom plate (27), a trimming mechanism, a taping mechanism, a first sewing mechanism, a second sewing mechanism, a trimming transmission mechanism, a first transmission mechanism and a second transmission mechanism, the machine head (2) is L-shaped, the machine head (2) comprises a cross bar (7) and a vertical column (76), the upright post (76), the trimming mechanism and the second stitching mechanism are arranged on the bottom plate (27), the first sewing mechanism, the trimming transmission mechanism and the first transmission mechanism are arranged on the cross rod (7), the first stitching structure is arranged above the second stitching structure, the second transmission mechanism is arranged below the bottom plate (27), the edge cutting structure is in transmission connection with the edge cutting transmission mechanism, the first sewing mechanism is in transmission connection with the first transmission mechanism, and the edge covering mechanism and the second sewing mechanism are in transmission connection with the second transmission mechanism;
the trimming transmission mechanism comprises an eccentric wheel (32), an eccentric wheel connecting rod (26), a connecting frame (28), a connecting shaft (35), a connecting shaft frame (21), a cutter driving frame guide frame (12), a feeding swing rod (13), a feeding swing rod shaft (11) and a feeding swing rod connecting shaft (40), the trimming mechanism comprises a cutter frame base (22) and a needle plate fixed cutter assembly (10), a first upper shaft (30) is arranged in a cross rod (7), a driving wheel (1) is arranged at one end of the first upper shaft (30), an upper shaft front sleeve (31) is arranged at the other end of the first upper shaft (30), the eccentric wheel (32) is arranged on the first upper shaft (30), one end of the eccentric wheel connecting rod (26) is connected with the eccentric wheel (32), the other end of the eccentric wheel connecting rod is connected with the connecting frame (28) through the connecting shaft (35), a movable cutter lifting crank shaft (38) is arranged on the connecting frame (28), and the connecting frame (28) is connected with the connecting shaft frame (21) through the movable cutter lifting crank shaft (38), the connecting shaft bracket (21) is fixed on a cross rod (7), a cutter driving frame guide frame (12) is arranged below the connecting shaft bracket (21), a pressing rod lower sleeve (41) is arranged above the cutter driving frame guide frame (12), the pressing rod lower sleeve (41) is fixed on the cross rod (7) and connected with a first sewing mechanism, the feeding swing rod (13) comprises a first round hole (44) and a second round hole (45), a feeding swing rod connecting shaft (40) is arranged in the first round hole (44), a feeding swing rod shaft (11) is arranged in the second round hole (45), the feeding swing rod (13) is connected with the connecting frame (28) through the feeding swing rod connecting shaft (40), and the feeding swing rod (13) is connected with a cutter frame base (22) through the feeding swing rod shaft (11), the feeding swing rod shaft (11) penetrates through the tool rest base (22) to be connected with the cutter driving frame guide frame (12), the tool rest base (22) is fixed on the bottom plate (27), the movable tool rest (4) is arranged on the tool rest base (22), the movable tool apron (6) is fixed on the movable tool rest (4), the movable tool apron (6) is provided with the movable tool (5), the needle plate fixed tool assembly (10) is arranged on one side of the movable tool (5), and the movable tool (5) and the needle plate fixed tool assembly (10) are arranged close to the sewing mechanism;
first drive mechanism and second drive mechanism all set up the below at first upper shaft (30), the one end that is close to action wheel (1) on first upper shaft (30) still is provided with synchronous pulley (65) and pay-off eccentric wheel (72), it is provided with hold-in range (66) on synchronous pulley (65), be provided with pay-off eccentric wheel connecting rod (68) on pay-off eccentric wheel (72), first drive mechanism includes needle bar swing connecting rod (69) and needle bar swing axle (82), needle bar swing connecting rod (69) is connected with pay-off eccentric wheel connecting rod (68), the both ends of needle bar swing axle (82) are provided with first needle bar swing crank (74) and second needle bar swing crank (75) respectively, first needle bar swing crank (74) is connected with needle bar swing connecting rod (69), second needle bar swing crank (75) are connected with first sewing mechanism, the second transmission mechanism comprises a lower shaft (81) and a cloth feeding shaft (59), a lower synchronous belt pulley (67) is arranged on the lower shaft (81), the lower synchronous belt pulley (67) is connected with an upper synchronous belt pulley (65) through a synchronous belt (66), a large gear (79) is further arranged at one end, far away from the lower synchronous belt pulley (67), of the lower shaft (81), the large gear (79) is connected with a second sewing mechanism, a cloth feeding crank (71) and a tooth frame crank (77) are arranged on the cloth feeding shaft (59), a cloth feeding long connecting rod (70) is arranged between the cloth feeding crank (71) and a first needle rod swinging crank (74), a tooth frame (78) is arranged on the tooth frame crank (77), and the tooth frame (78) is connected with the second sewing mechanism;
the edge covering mechanism comprises an edge covering feeding crank (47), an edge covering connecting rod (46), an edge covering feeding sliding block (58), an edge covering frame guide rail (49), an edge covering frame mounting plate (51), an edge covering frame mounting plate sleeve (50) and an edge covering barrel (56), wherein the edge covering feeding crank (47) is fixed on a feeding shaft (59), one end of the edge covering connecting rod (46) is connected with the edge covering feeding crank (47), the other end of the edge covering connecting rod (46) is connected with the edge covering feeding sliding block (58), an edge covering frame crank (61) is arranged above the edge covering feeding sliding block (58), an edge covering frame swinging crank (48) is arranged above the edge covering frame crank (61), the edge covering frame swinging crank (48) is arranged below the edge covering frame guide rail (49), the edge covering frame guide rail (49) is fixed below the edge covering frame mounting plate (51), and the edge covering frame mounting plate (51) is fixed on a bottom plate (27) through the edge covering frame mounting plate sleeve (50), be provided with on the frame mounting panel of borduring (51) and bordure frame (52), be provided with on bordure frame (52) bordure frame round pin (53), bordure a section of thick bamboo link (55) and bordure side area leading truck (54), bordure a section of thick bamboo (56) and bordure a section of thick bamboo link (55) and be connected, be provided with the bordure area in bordure side area leading truck (54), the section of thick bamboo of borduring (56).
2. The double-needle integrated feeding, cutting and overlocking integrated sewing machine as claimed in claim 1, characterized in that: a needle rod crank (73) is also arranged at one end of the first upper shaft (30) close to the upper shaft front sleeve (31), the first sewing mechanism comprises a needle bar component (3) and a machine needle (64), the needle bar crank (73) and the second needle bar swinging crank (75) are connected with the needle bar component (3), the needle (64) is arranged on the needle bar component (3), the second sewing mechanism comprises an outer presser foot (8), an inner presser foot (9), a feed dog (62) and a rotating shuttle (63), a pinion (80) is arranged below the rotating shuttle (63), the rotating shuttle (63) is in transmission connection with the pinion (80), the small gear (80) is meshed with the large gear (79), the cloth feeding teeth (62) are arranged above the tooth rack (78), the outer presser foot (8) and the inner presser foot (9) are arranged above the feed dog (62) and below the needle (64).
3. The double-needle integrated feeding, cutting and overedging integrated sewing machine as claimed in claim 2, wherein: the trimming mechanism further comprises a base swinging seat (20), a tool rest base shaft (42), a base guide seat (18), a base guide shaft (14), a movable blade pressure adjusting block (16) and a base guide block (19), wherein the base swinging seat (20) is connected with a tool rest base (22) through the tool rest base shaft (42), the base guide seat (18) is arranged on the bottom plate (27), the base guide seat (18) is arranged on one side of the base swinging seat (20), one end of the base guide shaft (14) is fixed on the base swinging seat (20), the other end of the base guide shaft passes through the base guide seat (18) and is fixedly connected with the movable blade pressure adjusting block (16), one end of the base guide block (19) is fixed on the base swinging seat (20), the other end of the base guide shaft is provided with a first guide part, the base guide seat (18) is provided with a first guide groove, and the first guide part is matched with the first guide groove, the movable knife pressure adjusting block (16) is provided with a pressure adjusting screw (15), the pressure adjusting screw (15) penetrates through the movable knife pressure adjusting block (16) and is connected with the base guide seat (18), and a pressure adjusting spring (17) is arranged between the base guide seat (18) and the movable knife pressure adjusting block (16).
4. The double-needle integrated feeding, cutting and overlocking integrated sewing machine as claimed in claim 3, characterized in that: the trimming mechanism further comprises a first wrench fixing seat (23), a second wrench fixing seat (33) and a movable knife wrench (25), the first wrench fixing seat (23) and the second wrench fixing seat (33) are arranged on the bottom plate (27), a movable knife wrench crank (43) and a movable knife pull plate (24) are arranged between the first wrench fixing seat (23) and the second wrench fixing seat (33), the movable knife pull plate (24) is connected with the base swing seat (20), one end of the movable knife wrench (25) is connected with the movable knife wrench crank (43), and the other end of the movable knife wrench (25) penetrates through the first wrench fixing seat (23).
5. The double-needle integrated feeding, cutting and overlocking integrated sewing machine as claimed in claim 4, wherein: move and be provided with the third recess on blade holder (6), move the sword setting in the third recess, move and be provided with between sword (5) and the third recess and move sword pad (37), move and be provided with between knife rest (4) and move the blade holder (6) and move sword ejector pin (36), move the one end of sword ejector pin (36) and insert and move blade holder (4), the other end that moves sword ejector pin (36) passes and moves blade holder (6) and move sword pad (37) and offset.
6. The double-needle integrated feeding, cutting and overlocking integrated sewing machine as claimed in claim 5, wherein: the mechanism of borduring still includes borduring frame crank seat (60), borduring frame crank seat (60) is fixed on bottom plate (27), borduring frame crank (61) includes the second upper shaft, the second upper shaft passes borduring frame crank seat (60) and borduring frame swing crank (48) and is connected, borduring frame crank (61) is provided with the fourth recess, the fourth recess is V type groove, borduring pay-off slider (58) are fixed in the fourth recess, be provided with on borduring pay-off slider (58) and bordure pay-off slider lid (57).
7. The double-needle integrated feeding, cutting and overlocking integrated sewing machine as claimed in claim 6, wherein: a first bearing (29) is arranged between the driving wheel (1) and the first upper shaft (30), a needle bearing (34) is arranged between the eccentric wheel (32) and the eccentric wheel connecting rod (26), and a joint bearing (39) is arranged between the feeding swing rod (13) and the tool rest base (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811388622.0A CN111206336B (en) | 2018-11-21 | 2018-11-21 | Double-needle comprehensive feeding, cutting, overedging and sewing integrated sewing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811388622.0A CN111206336B (en) | 2018-11-21 | 2018-11-21 | Double-needle comprehensive feeding, cutting, overedging and sewing integrated sewing machine |
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| Publication Number | Publication Date |
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| CN111206336A CN111206336A (en) | 2020-05-29 |
| CN111206336B true CN111206336B (en) | 2021-09-14 |
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