Cutter device of top fly sewing machine

By designing a cutting device for the placket sewing machine, the automated processing of the folded placket of the polo shirt was realized, solving the problem of low automation and improving production efficiency and sewing effect.

CN223753024UActive Publication Date: 2026-01-02QUANZHOU YOUCHUANG AUTOMATION EQUIP CO LTD
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Patent Information

Application Number
CN202520164276.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-24
Publication Date
2026-01-02
Estimated Expiration
2035-01-24

AI Technical Summary

Technical Problem

In existing technologies, the folding placket process of polo shirts has a low degree of automation, which makes processing inconvenient and easily causes fabric wrinkles or positional shifts, affecting the sewing effect.

Method used

Design a cutting device for a placket sewing machine, including a frame, a sewing machine, a feeding device, and a cutting device. It adopts a Y-shaped cutting component and an auxiliary feeding device, combined with a fabric gripping device and a material picking device, to realize the automated feeding and cutting of clothing fabric and placket fabric, reducing the manual turning and sewing process.

Benefits of technology

It improves the automation level of placket sewing machines, increases production efficiency, reduces fabric wrinkling and positional deviation, ensures sewing quality, and achieves efficient automated processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cutter device of a top fly sewing machine, which comprises a rack, a sewing machine, a feeding device and a cutter device, the feeding device conveys clothes cloth and top fly cloth on a shaping area to a sewing and shearing area, the shearing device comprises a cutter mounting plate, a cutter lifting plate and a cutter assembly, the cutter lifting plate is arranged on the cutter mounting plate, and the cutter assembly is arranged on the cutter mounting plate. The cutter assembly comprises a first cutter, a second cutter and a third cutter; the second cutter and the third cutter are mounted on the cutter mounting plate; the top fly with the folding door is obtained through automatic processing, the follow-up procedure of manually turning over and sewing top fly cloth is reduced, the automation degree is improved, and the production efficiency is effectively improved; the situation that the top fly cloth wrinkles or deviates in the second sewing process of the top fly cloth is effectively reduced, and the good appearance of the sewn top fly cloth is kept; the garment cloth and the front fly cloth can be flattened, so that the situation that the subsequent sewing effect is affected due to wrinkling of the garment cloth and the front fly cloth is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to clothing processing technical field especially relates to a door collar sewing machine's cutting knife device. BACKGROUND

[0002] The door collar of POLO shirt refers to the central area of the front of clothes, which is usually used for opening and closing, facilitating the putting on and taking off of clothes, and can also decorate clothes. The design and processing method of the door collar plays an important role in the overall appearance and function of the POLO shirt. The knitted POLO shirt usually needs to add buttons or zippers at the door collar to realize the opening and closing function.

[0003] In related technologies, the opening door collar process of clothes mainly uses an automatic template sewing machine. In specific work, the stacked clothes fabric and door collar fabric are placed on a workbench, and the stacked clothes fabric and door collar fabric are pressed and positioned. Then, a sewing device is used to sew a U-shaped stitch on the clothes fabric and the door collar fabric. Finally, a cutting knife device cuts the clothes fabric and the door collar fabric from the middle position of the U-shaped stitch, completing the opening door collar process. However, for the overlapping door collar (i.e., the left and right collars of the door collar overlap each other to form an overlapping door), such a door collar usually has buttons installed to realize the connection at the door collar. Using scissors to cut the fabric at the opening end between the corresponding sewn lines, the traditional manual opening door collar process has the problems of inconvenience and low automation.

[0004] Therefore, the present inventors have conducted in-depth research on the above problems, leading to the present application. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a door collar sewing machine's cutting knife device that has high processing efficiency and good sewing effect.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A door collar sewing machine's cutting knife device, comprising a rack, a sewing machine, a feeding device, and a cutting knife device arranged on the rack. The rack is sequentially provided with a shaping area, a feeding area, and a sewing and cutting area from one end to the other end. The sewing machine and the cutting knife device are installed in the sewing and cutting area. The feeding device is arranged on the feeding area and conveys the clothes fabric and the door collar fabric on the shaping area to the sewing and cutting area.

[0008] The cutting knife device comprises a cutting knife mounting plate, a cutting knife lifting plate, and a cutting knife assembly. The cutting knife mounting plate is installed on the sewing machine. The cutting knife lifting plate is slidably arranged on the cutting knife mounting plate. The cutting knife assembly is installed at the bottom of the cutting knife mounting plate.

[0009] The cutter assembly comprises a first cutter, a second cutter and a third cutter, the cutting edges of the first cutter, the second cutter and the third cutter are arranged in a Y shape, and the second cutter and the third cutter are installed on the cutter mounting plate through a second lifting mechanism.

[0010] Further, the feeding device comprises a first moving mechanism, a lifting mechanism arranged on the first moving mechanism and movable along the length direction of the first moving mechanism, and a pressing plate installed at the bottom of the lifting mechanism, the pressing plate is used for pressing and fixing the garment cloth, a through slot is arranged in the middle of the pressing plate, a fly pressing rod for pressing and fixing the fly cloth arranged on the garment cloth is arranged in the middle of the through slot, and the pressing plate and the fly pressing rod are integrally formed.

[0011] Further, the auxiliary feeding device arranged on the rack further comprises air suction holes arranged in the shaping area, air blowing holes arranged in the sewing and cutting area, and a switching mechanism connected with the air suction holes and the air blowing holes respectively, the side wall of the switching mechanism is provided with air scattering holes, the switching mechanism is provided with a first switching cylinder, a second switching cylinder, an air suction pipe interface and an air blowing pipe interface, the air suction pipe interface is connected with the air suction holes through an air suction pipe, and the air blowing pipe interface is connected with the air blowing holes through an air blowing pipe.

[0012] Further, the fabric grabbing device further comprises an X-axis fixing seat, the X-axis fixing seat is installed on an X-axis mounting seat, two lever cylinders are installed on the side wall of the X-axis fixing seat, a fabric supporting base is connected with the lever cylinders, a fabric supporting cylinder is installed at the bottom of the fabric supporting base, a lever shaft is rotatably connected between the inner walls of the X-axis fixing seat, a pressure stabilizing spring is sleeved on the lever shaft, two arm fixing seats are installed on the lever shaft, left and right lever arms are installed on the side walls of the two arm fixing seats, fabric grabbing arms are installed at the front ends of the left and right lever arms, and arm springs are arranged between the left and right lever arms, the right lever arms and the fabric grabbing arms.

[0013] Further, the fabric grabbing device is installed on the second moving device which is arranged perpendicular to the first moving mechanism and moves back and forth along the length direction of the second moving device.

[0014] Further, the feeding device and the material taking device are arranged on one side of the length direction of the rack, the feeding device is used for conveying the garment cloth and the fly cloth to be processed to the rack, and the material taking device is arranged on one side of the width direction of the workbench and is used for taking away the processed garment cloth on the rack.

[0015] Further, the taking device is located at one side of the rack width direction, the taking device comprises a receiving frame, a receiving clamp jaw and a receiving supporting plate, the receiving frame is provided with a receiving connecting plate; the receiving clamp jaw is connected with the receiving connecting plate in the length direction of the receiving connecting plate through the cooperation of the slide rail and the sliding block.

[0016] By adopting the foregoing design scheme, the beneficial effects of the utility model are that: the door placket with the stacked door is obtained through automatic processing, the subsequent manual process of turning and sewing the door placket fabric is reduced, the degree of automation is improved, and the production efficiency is effectively improved; the situation that the door placket fabric is wrinkled or deviated in position during the second sewing process of the door placket fabric is effectively reduced, so that the good appearance of the sewed door placket fabric is maintained; the garment fabric and the door placket fabric can be flattened to reduce the situation that the garment fabric and the door placket fabric are wrinkled and affect the subsequent sewing effect. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a structural schematic view of another angle of the utility model;

[0019] Figure 3 It is a structural schematic view of the conversion mechanism in the utility model;

[0020] Figure 4 It is a structural schematic view of the first moving mechanism and the fabric grabbing device in the utility model;

[0021] Figure 5 It is a structural schematic view of the cutting device in the utility model;

[0022] Figure 6 It is a structural schematic view of another angle of the cutting device in the utility model;

[0023] Figure 7 It is a structural schematic view of the fabric collecting device in the utility model;

[0024] In the figure: rack 1, has shaping area 11, feeding area 12, sewing and cutting area 13, sewing machine 2, first moving mechanism 31, first lifting mechanism 32, pressing plate 33, through slot 331, flap pressing rod 332, air suction hole 41, first conversion cylinder 411, air suction pipe interface 412, air blowing hole 42, second conversion cylinder 421, air blowing pipe interface 422, conversion mechanism 43, air scattering hole 431, X-axis fixed seat 51, X-axis mounting seat 52, lever cylinder 53, cloth supporting base 54, cloth supporting cylinder 55, lever shaft 56, left lever arm 57, right lever arm 58, cloth grabbing arm 59, second moving device 6, cutter mounting plate 71, cutter lifting plate 72, cutter assembly 73, first cutter 731, second cutter 732, third cutter 733, second lifting mechanism 74, feeding device 8, material taking device 9, material collecting rack 91, material collecting clamping jaw 92, material collecting supporting plate 93. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection of the utility model.

[0026] A flap sewing machine comprises a rack 1 and a sewing machine 2 arranged on the rack 1, the rack 1 is sequentially provided with a shaping area 11, a feeding area 12 and a sewing and cutting area 13 from one end to the other end, and the sewing machine 2 is installed on the sewing and cutting area 13 and used for sewing one or more stitches on a flap piece.

[0027] The rack 1 is further provided with a feeding device for driving the flap piece to advance, the feeding device is arranged on the feeding area 12 and used for conveying the clothing fabric on the shaping area 11 and the flap fabric to the sewing and cutting area 13, and the feeding device comprises a first moving mechanism 31, a first lifting mechanism 32 arranged on the first moving mechanism 31 and movable along the length direction of the first moving mechanism 31, and a pressing plate 33 installed on the bottom of the first lifting mechanism 32, the pressing plate 33 is used for pressing and fixing the clothing fabric, the middle part of the pressing plate 33 is provided with a through slot 331, the middle part of the through slot 331 is provided with a flap pressing rod 332 used for pressing and fixing the flap fabric arranged on the clothing fabric, and the pressing plate 33 and the flap pressing rod 332 are integrally formed.

[0028] Further, the auxiliary feeding device is arranged on the frame 1, which includes the suction hole 41 arranged in the shaping area 11, the blowing hole 42 arranged in the sewing and cutting area 13, and the switching mechanism 43 connected with the suction hole 41 and the blowing hole 42 respectively, the side wall of the switching mechanism 43 is provided with the air scattering hole 431, the first switching cylinder 411 and the second switching cylinder 421 are arranged on the switching mechanism 43, the suction pipe joint 412 is connected with the suction hole 41 through the suction pipe, and the blowing pipe joint 422 is connected with the blowing hole 42 through the blowing pipe. During the operation of the device, the vacuum air flow is generated by the motor, and the vacuum air flow reaches the switching mechanism 43 through the vacuum pipe, the opening and closing of the switching mechanism 43 is controlled by the vacuum pipe acting on the suction hole 41 or the blowing hole 42; the vacuum degree is controlled by the closing and shrinking of the switching cylinder, and the vacuum degree reaches the suction hole 41 or the blowing hole 42 through the vacuum pipe joint, the vacuum air flow is released from the air scattering hole 43 by opening the switching mechanism 43, during the operation, the first switching cylinder 411 is opened, the second switching cylinder 421 is closed, the vacuum air flow is generated on the inner surface of the shell, the first switching cylinder 411 is closed and the second switching cylinder 421 is opened when the switching mechanism 43 is cancelled, the vacuum air flow is released from the air scattering hole 43, and the vacuum air flow is not generated on the surface, which is used as the positioning and cancelling positioning work switching, circulation, and the main function is to suck and position the placed door collar and body piece for the next operation of the feeding device.

[0029] Further, the fabric grabbing device is further included, the fabric grabbing device includes an X-axis fixing seat 51, the X-axis fixing seat 51 is installed on an X-axis mounting seat 52, two lever air cylinders 53 are installed on the side wall of the X-axis fixing seat 51, a fabric supporting base 54 is connected with the lever air cylinders 53, a fabric supporting air cylinder 55 is installed on the bottom of the fabric supporting base 54, a lever shaft 56 is rotatably connected between the inner walls of the X-axis fixing seat 51, a pressure stabilizing spring is sleeved on the lever shaft 56, two arm fixing seats are installed on the lever shaft 56, a left lever arm 57 and a right lever arm 58 are installed on the side wall of the two arm fixing seats, a fabric grabbing arm 59 is installed on the front end of the left lever arm 57 and the right lever arm 58, and arm springs are arranged between the left lever arm 57, the right lever arm 58 and the fabric grabbing arm 59. The X / Y-axis running device controls the horizontal running of the device on the equipment according to the running program, the lever air cylinders 53 are in an open state when the device runs, the arm fixing seats lift the fabric grabbing arm 59, the right lever arm 58 and the left lever arm 57 through the action of the lever shaft 56, the X-axis fixing seat is installed on the X-axis mounting seat of the equipment, when the device runs to the designated position and needs to grab the cutting piece, the lever air cylinders 53 are closed to control the fabric grabbing arm to press down and grab the cutting piece by the same principle, and the front and back balance of the fabric grabbing arm after grabbing is controlled by the arm springs; after the cutting piece is grabbed, the fabric supporting air cylinder works, the left lever arm 57 is pushed to the left by a designated distance through the fabric supporting base to tightly support the surface of the cutting piece in this way, so that the tension of the fabric is improved to improve the sewing effect, after the sewing process is completed, the fabric supporting air cylinder is closed to make the left lever arm 57 retreat, and the pressure stabilizing spring has the functions of rebounding and stabilizing the left lever arm 57.

[0030] Further, the second moving device 6 is arranged perpendicular to the first moving mechanism 31, and the fabric grabbing device is installed on the second moving device 6 and moves back and forth along the length direction of the second moving device 6.

[0031] Further, the cutter device includes a cutter mounting plate 71, a cutter lifting plate 72 and a cutter assembly 73, the cutter mounting plate 71 is installed on the sewing machine 2, the cutter lifting plate 7232 is slidably arranged on the cutter mounting plate 71, and the cutter assembly 73 is installed on the bottom of the cutter mounting plate 71.

[0032] The cutter assembly 73 includes a first cutter 731, a second cutter 732 and a third cutter 733, the cutting edges of the first cutter 731, the second cutter 732 and the third cutter 733 are arranged in a Y shape, and the second cutter 732 and the third cutter 733 are installed on the cutter mounting plate 71 through a second lifting mechanism 74.

[0033] Further, the feeding device 8 and the taking device 9 are further included, the feeding device 8 is located on one side of the length direction of the rack 1, and the feeding device 8 delivers the clothes fabric and the door flap fabric to be processed to the rack 1, and the taking device 9 is located on one side of the width direction of the workbench, and the taking device 9 is used to take away the processed clothes fabric on the rack 1.

[0034] Further, the taking device 9 is located at one side of the rack 1 in the width direction, and the taking device 9 comprises a taking frame 91, a taking clamp jaw 92 and a taking supporting plate 93, the taking frame 91 is provided with a taking connecting plate, and the taking clamp jaw 92 is connected to the taking connecting plate in the length direction of the taking connecting plate through the cooperation of a slide rail and a sliding block.

[0035] By adopting the foregoing design scheme, the beneficial effects of the utility model are that the door placket with the stacked door is obtained through automatic processing, the subsequent manual process of turning and sewing the door placket fabric is reduced, the degree of automation is improved, the production efficiency is effectively improved, the situation that the door placket fabric is wrinkled or deviated in position during the second sewing process of the door placket fabric is effectively reduced, and thus the good appearance of the door placket fabric after sewing is maintained, the garment fabric and the door placket fabric can be flattened, and the situation that the garment fabric and the door placket fabric are wrinkled and affect the subsequent sewing effect is reduced.

[0036] It should be noted that, in this text, relational terms such as first and second and the like can merely be used to differentiate one entity or action from another, without necessarily requiring or implying that there is any such actual relationship or order between or among the entities or actions. Although the embodiments of the utility model have been shown and described, it is understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A cutter device for a fly front sewing machine, characterized by: The utility model provides a garment sewing machine, including frame and set up sewing machine, feeding device and cutting device on the frame, the frame is sequentially provided with shaping area, feeding area and sewing shearing area from one end to the other end, sewing machine and cutting device are installed in sewing shearing area, feeding device is set up on feeding area and is delivered garment cloth on the shaping area with door front cloth to sewing shearing area, cutting device includes cutting knife mounting plate, cutting knife lifting plate and cutting knife assembly, cutting knife mounting plate is installed on sewing machine, cutting knife lifting plate is slidably set up on cutting knife mounting plate, cutting knife assembly is installed in the bottom of cutting knife mounting plate, The cutting knife assembly includes a first cutting knife, a second cutting knife, and a third cutting knife, the cutting edges of the first, second, and third cutting knives are arranged in a Y shape, the second and third cutting knives are installed on the cutting knife mounting plate through a second lifting mechanism. The feeding device includes a first moving mechanism, a lifting mechanism movably arranged on the first moving mechanism along the length direction of the first moving mechanism, and a pressing plate installed at the bottom of the lifting mechanism, the pressing plate is used for pressing and fixing the garment cloth, a through slot is arranged in the middle of the pressing plate, and a door front pressing rod for pressing and fixing the door front cloth arranged on the garment cloth is arranged in the middle of the through slot, the pressing plate and the door front pressing rod are integrally formed.

2. A cutter device for a fly front sewing machine according to claim 1, characterized in that: The utility model also includes an auxiliary feeding device arranged on the frame, the auxiliary feeding device includes an air suction hole arranged in the shaping area, an air blowing hole arranged in the sewing shearing area, and a switching mechanism connected with the air suction hole and the air blowing hole respectively, the side wall of the switching mechanism is provided with air distribution holes, the switching mechanism is provided with a first switching cylinder, a second switching cylinder, an air suction pipe interface, and an air blowing pipe interface, the air suction pipe interface is connected with the air suction hole through an air suction pipe, and the air blowing pipe interface is connected with the air blowing hole through an air blowing pipe.

3. The cutter device of a fly front sewing machine according to claim 1, characterized in that: The utility model also includes a cloth grabbing device, the cloth grabbing device includes an X-axis fixed seat, the X-axis fixed seat is installed on an X-axis mounting seat, two lever cylinders are installed on the side wall of the X-axis fixed seat, a cloth supporting base is connected with the lever cylinders, a cloth supporting cylinder is installed at the bottom of the cloth supporting base, a lever shaft is rotatably connected between the inner walls of the X-axis fixed seat, a pressure stabilizing spring is sleeved on the lever shaft, two arm fixed seats are installed on the lever shaft, left and right lever arms are installed on the side walls of the two arm fixed seats, cloth grabbing arms are installed at the front ends of the left and right lever arms, arm springs are arranged between the left and right lever arms and the cloth grabbing arms.

4. A cutter device for a fly sewing machine according to claim 3, characterized in that: The utility model also includes a second moving device, the second moving device is arranged perpendicular to the first moving mechanism, the cloth grabbing device is installed on the second moving device and moves back and forth along the length direction of the second moving device.

5. The cutter device of a fly front sewing machine according to claim 1, characterized in that: Further comprising a feeding device and a taking device, the feeding device is located at one side of the length direction of the frame, and the feeding device delivers the garment cloth and the flap cloth to be processed to the frame; the taking device is located at one side of the width direction of the workbench, and the taking device is used to take away the processed garment cloth on the frame.

6. A cutter device for a fly front sewing machine according to claim 5, characterized in that: The taking device is located at one side of the width direction of the frame, and the taking device comprises a receiving frame, a receiving clamp jaw and a receiving supporting plate, and the receiving frame is provided with a receiving connecting plate; the receiving clamp jaw is connected to the receiving connecting plate in the length direction of the receiving connecting plate through the cooperation of the slide rail and the sliding block.