Turnover device and automatic top fly sewing equipment

Abstract

The utility model discloses a turn-over device. The turn-over device comprises a mounting seat, a first pressing mechanism, a second pressing mechanism and a turn-over mechanism, the second pressing mechanism comprises two lifting pressing assemblies; the turn-over mechanism comprises a plurality of blowing assemblies and pressing and folding assemblies. The utility model further discloses automatic top fly sewing equipment. According to the sewing machine, the first pressing mechanism is arranged and used for fixing sewing cloth; the lifting press-fit assembly is arranged to be used for pressing and loosening the folded part of the front fly material, the blowing assembly is arranged in cooperation to provide a blowing function to blow the folded part of the front fly material, the pressing and folding assembly folds the folded part of the front fly material, and automation is improved; according to the automatic top fly sewing equipment, full-automatic machining of automatic feeding of materials to be sewn, automatic top fly turning, sewing machining and discharging is achieved, the automation efficiency is improved, the labor intensity and cost of workers are reduced, and the production efficiency and quality of shirts are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewing equipment, in particular to a turning device and automatic placket sewing equipment. Background Art

[0002] A placket refers to the slit or fork on clothes, pants, skirts and other clothing. In the early days, there was no special equipment for sewing plackets, and it was mainly done manually on ordinary sewing machines. Since the stop structure of the placket was very narrow and the operation was very inconvenient, it was difficult to accurately sew the placket structure using this method.

[0003] In the prior art, in order to improve the efficiency of sewing the placket, technicians began to design an automatic template sewing machine for sewing the placket. Specifically, the automatic template sewing machine mainly includes a workbench, a presser device, a sewing device and a shearing device. In actual work, the stacked clothing fabrics and the placket fabrics are placed on the workbench; the presser device presses the stacked clothing fabrics and the placket fabrics to a limit position, and then the sewing device is used to sew a U-shaped stitch on the clothing fabrics and the placket fabrics, and finally the shearing device is used to cut the clothing fabrics and the placket fabrics from the middle position of the U-shaped stitch to complete the placket opening process.

[0004] Most of the existing automatic template sewing machines have complex structures and lack a fabric clamp that is convenient for sewing the stop structure. In response to the above problems, the publication number is: CN202322609108.8, which discloses a fabric clamp for a placket machine, including a clamp base plate and a clamp flap, the clamp flap is hinged on the clamp base plate, and the middle part of the clamp flap is provided with an opening for the template sewing machine to sew and cut. One side of the opening is hinged with a pressure rod and fixed with a stop positioning plate, and the other side is provided with a folding plate that moves laterally and is driven by a power device. The fabric clamp fixes the base material and the placket material, and the base material is fixed between the clamp base plate and the clamp flap. The placket material is fixed at the opening and compressed by the pressure rod. In the initial state, the folding plate is located below the placket material and the stop positioning plate is located above the placket material. The fabric clamp for the placket machine provided by the utility model can better fix the fabric and sew the stop. However, the fabric clamp has the following problems: 1. The existing fabric clamp does not have the function of turning over the placket. When the folded part of the placket needs to be turned over, it needs to be manually folded and aligned before subsequent sewing processing can be carried out. The manual labor intensity is high, which affects the efficiency and quality of the sewing process, and affects the automation efficiency of the entire sewing process, affecting production efficiency. Utility Model Content

[0005] This utility model aims to solve the technical problems of low efficiency and high cost in the sewing of plackets in the prior art by providing a turning device and an automatic sewing device for plackets in order to address the current technical deficiencies.

[0006] The utility model discloses a technical scheme for realizing the above-mentioned purpose is:

[0007] A kind of turnover device including mounting seat, first pressing mechanism, second pressing mechanism and turnover mechanism;The second pressing mechanism includes two lifting pressing components;The turnover mechanism includes multiple blowing components and fold components, the blowing component is respectively arranged on the first pressing mechanism and lifting pressing component, and the fold component is arranged on the first pressing mechanism;The first pressing mechanism is used to press the fixed effect of cloth.

[0008] Further improvement, the first pressing mechanism includes mounting plate, two first cylinders and two guide rails, the mounting seat is equipped with first mounting plate, two first cylinders are arranged in vertical manner on the mounting plate, and two guide rails are arranged in vertical manner on the mounting plate;The guide rail is equipped with slider group, and the slider group is equipped with mounting seat one, and the mounting plate is arranged at the bottom of mounting seat one.

[0009] Further improvement, the mounting plate is equipped with first mounting part and second mounting part, and the first mounting part and the second mounting part are arranged in mirror image opposite manner on the mounting plate;Nest and inlet are arranged between the first mounting part and the second mounting part.

[0010] Further improvement, two lifting pressing components are arranged in array on the first mounting plate;Two lifting pressing components each include second cylinder, second guide rail and pressing block, and the second cylinder and the second guide rail are arranged in array on the first mounting plate, the second guide rail is equipped with slider group two, the slider group two is equipped with angle block two, and the pressing block is arranged on angle block two and in recess;The drive rod of the second cylinder is equipped with connecting rod, and the connecting rod is connected with angle block two.

[0011] Further improvement, multiple blowing components are respectively arranged on the inner edge of the first mounting part, the inner edge of the second mounting part and the inner edge of the pressing block;The blowing component includes gas pipe, and the gas pipe is equipped with gas pipe joint and gas hole group, and the gas hole group is arranged on inner side.

[0012] Further improvement, the fold component includes third slide rail, two third cylinders and two folding rods;The third slide rail is arranged on the mounting plate, and the third slide rail is equipped with two third sliders, and the third slider is equipped with connecting block, and the folding rod is respectively arranged on the connecting block;Two third cylinders are arranged behind the third slide rail, and the drive rod of the third cylinder is equipped with connecting angle block, and the connecting angle block is respectively connected with the connecting block;The third cylinder is used to control the folding rod to move respectively, so as to realize folding action.

[0013] Further, the connecting block is provided with a group of straight slot holes, each of the group of straight slot holes comprises a plurality of straight slot holes, the folding rod is provided with a plurality of threaded holes, and the folding rod is fixed on the connecting block through a threaded connection structure; each of the folding rods is further provided with an inclined surface, and each of the pressing blocks is further provided with an inclined surface.

[0014] The door flap automatic sewing equipment comprises the turning device.

[0015] Further, the door flap automatic sewing equipment comprises a workbench, an automatic sewing machine, a feeding mechanism, a control cabinet and a discharging mechanism; the feeding mechanism is arranged at the rear of the workbench, the automatic sewing machine is arranged at one end of the workbench, the control cabinet is arranged below the workbench, and the discharging mechanism is arranged at the front of the end of the workbench; the automatic sewing machine is further provided with a sewing mechanism and a presser foot mechanism.

[0016] The feeding mechanism comprises a transverse moving mechanism and a longitudinal moving mechanism, the transverse moving mechanism is provided with a sliding seat, the longitudinal moving mechanism is arranged on the sliding seat, the longitudinal moving mechanism is provided with a sliding seat one, and the turning mechanism is arranged on the sliding seat one; the transverse moving mechanism and the longitudinal moving mechanism each comprise a servo motor, a sliding block sliding rail group and a belt linkage assembly.

[0017] Further, the presser foot mechanism comprises a first presser foot assembly and a second presser foot assembly; the automatic sewing machine is provided with a first mounting plate and a second mounting plate; the first presser foot assembly and the second presser foot assembly are arranged in front of and behind the sewing mechanism; the first presser foot assembly comprises a fourth air cylinder, a fifth air cylinder and a fifth presser foot block, the fourth air cylinder is arranged in a vertical manner on the first mounting plate, the first mounting plate is provided with a fourth sliding rail, the fourth sliding rail is provided with a fourth sliding block, the fourth sliding block is provided with a fifth mounting plate, and the driving rod of the fourth air cylinder is connected with the fifth mounting plate; the fifth air cylinder is arranged on the fifth mounting plate, the fifth mounting plate is provided with a fifth sliding block, the fifth sliding block is provided with a fifth sliding rail, the fifth sliding rail is provided with a fifth connecting plate, and the fifth presser foot block is arranged at the end of the fifth connecting plate; a hinge structure is arranged between the fifth air cylinder and the fifth mounting plate and between the driving rod of the fifth air cylinder and the fifth connecting plate.

[0018] The second presser foot assembly comprises a sixth air cylinder, a sixth rotary air cylinder and a sixth presser foot block; the second mounting plate is provided with a sixth sliding rail, the sixth sliding rail is provided with a sixth sliding block, the sixth sliding block is provided with a sixth mounting plate, the sixth rotary air cylinder is arranged on the sixth mounting plate, and the sixth presser foot block is arranged on the rotary shaft of the sixth rotary air cylinder; the driving rod of the sixth air cylinder is hinged with the sixth mounting plate.

[0019] The blanking mechanism includes a mounting plate four, a cylinder four and a blanking rod. Hinge connection structures are provided between one end of the blanking rod and the mounting plate four, between one end of the cylinder four and the mounting plate four, and between the driving rod of the cylinder four and the blanking rod; a cross bar is provided at the other end of the blanking rod.

[0020] Compared with the prior art, the above one or more technical solutions in the turning device and the automatic placket sewing device provided by the embodiments of the present invention have at least one of the following technical effects:

[0021] 1. The present invention achieves automatic folding of the placket material by providing a turning device, and a first pressing mechanism is provided to secure the sewing fabric. A lifting and pressing assembly is provided to press and release the folded portion of the placket material, and a blowing assembly is provided to blow air into the folded portion of the placket material. The folding assembly folds the folded portion of the placket material, thereby improving automation efficiency, reducing labor intensity and costs, and ensuring the efficiency, quality, and consistency of the folding action.

[0022] 2. The utility model realizes automatic feeding of sewing materials, automatic turning of the placket, sewing and unloading by providing an automatic sewing device for the placket with a turning device, thereby improving automation efficiency, reducing manual labor intensity and cost, and improving the production efficiency and quality of shirts; the presser foot mechanism composed of the first presser foot assembly and the second presser foot assembly is used to maintain the stability of the fabric and the placket material, thereby ensuring that the folded part of the placket fabric will not deviate or twist during the sewing process, maintaining the accuracy and neatness of the sewing position, and improving the sewing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0024] Figure 1 Schematic diagram of the overall structure of the turning device of this embodiment;

[0025] Figure 2 This is an exploded schematic diagram of the turning device of this embodiment;

[0026] Figure 3 Schematic diagram of the structure of the automatic placket sewing device of this embodiment;

[0027] Figure 4 Schematic diagram of the structure of the automatic sewing machine of this embodiment. DETAILED DESCRIPTION

[0028] The following description is merely a preferred embodiment of the present invention and does not limit the scope of protection of the present invention.

[0029] For example, see the attached Figures 1 to 4 A flipping device 1 includes a mounting base 2, a first pressing mechanism 3, a second pressing mechanism 4 and a flipping mechanism 5; the second pressing mechanism 4 includes two lifting and pressing components 40; the flipping mechanism 5 includes multiple blowing components 51 and folding components 52, the blowing components 51 are respectively arranged on the first pressing mechanism 3 and the lifting and pressing components 40, and the folding components 52 are arranged on the first pressing mechanism 3; the first pressing mechanism 3 is used to press and fix the cloth.

[0030] The first pressing mechanism 3 includes a mounting plate 30, two first cylinders 31 and two guide rails 32. The mounting seat 2 is provided with a first mounting plate 20. The two first cylinders 31 are vertically arranged on the mounting plate 30. The two guide rails 32 are vertically arranged on the mounting plate 30. The guide rails 32 are each provided with a slider group. The slider group is each provided with a mounting seat 1 320. The mounting plate 30 is arranged at the bottom of the mounting seat 1 320.

[0031] The mounting plate 30 is provided with a first mounting portion 300 and a second mounting portion 301, and the first mounting portion 300 and the second mounting portion 301 are arranged on the mounting plate 30 in a mirror-image manner; a recess 302 and an entrance 303 are provided between the first mounting portion 300 and the second mounting portion 301, and the entrance 303 is used for the entry of the sewing mechanism of the automatic sewing machine, and the recess 302 is used to provide a range of movement, so as to fix or loosen the placket material and the fabric; the first mounting portion 300 is also provided with a limit block, and the limit block is used for limiting the position, so as to prevent the sewing mechanism of the automatic sewing machine from overtravel, thereby ensuring the quality of the sewing process.

[0032] The two lifting and pressing components 40 are arranged in an array on the first mounting plate 20; the two lifting and pressing components 40 each include a second cylinder 400, a second guide rail 401 and a pressure block 402, the second cylinder 400 and the second guide rail 401 are arranged in an array on the first mounting plate 20, the second guide rail 401 is provided with a slider group 2, the slider group 2 is provided with a corner block 2, the pressure block 402 is provided on the corner block 2 and is provided in the recess 302; the driving rod of the second cylinder 400 is provided with a connecting rod, the connecting rod is connected to the corner block 2, and the lifting and pressing component 40 is used to tighten and loosen the folded part of the placket material.

[0033] The multiple blowing components 51 are respectively arranged on the inner edge of the first mounting part 300, the inner edge of the second mounting part 301 and the inner edge of the pressing block 402; the blowing components 51 all include air pipes, and the air pipes are all provided with air pipe joints and air outlet holes. The air outlet holes are all arranged on the inner side surface. The blowing components 51 are used to blow up the part of the placket material that needs to be folded, and cooperate with the folding component 52 to realize the folding action of the placket, thereby improving the stability and efficiency of the placket folding.

[0034] The folding assembly 52 includes a third slide rail 520, two third cylinders 521 and two folding rods 522; the third slide rail 520 is arranged on the mounting plate 30, and the third slide rail 520 is provided with two third sliders, and the third sliders are each provided with a connecting block 523, and the folding rods 522 are respectively arranged on the connecting blocks 523; the two third cylinders 521 are arranged behind the third slide rail 520, and the driving rods of the third cylinders 521 are each provided with a connecting corner block, and the connecting corner blocks are respectively connected to the connecting blocks 523; the third cylinder 521 is used to control the movement of the folding rod 522 respectively, thereby realizing the folding action, and the folding assembly 52 is used to fold the placket material to improve the automation efficiency.

[0035] The connecting block 523 is provided with a straight slot hole group, each of which includes a plurality of straight slot holes. The folding rod 522 is provided with a plurality of threaded holes. The straight slot hole group is used to adjust the height of the folding rod 522, so that the folding rod 522 can be used for the folding action of door diameters of different thicknesses, thereby improving applicability; the folding rod 522 is fixed to the connecting block 523 through a threaded connection structure; the folding rod 522 is also provided with an inclined surface, and the pressing block 402 is also provided with an inclined surface one. The inclined surface and the inclined surface one facilitate the guiding function, thereby ensuring that the folding rod 522 folds the flipping part of the door placket onto the pressing block 402.

[0036] An automatic placket sewing device 6 includes the turning device 1 .

[0037] The automatic placket sewing device 6 includes a workbench 60, an automatic sewing machine 61, a feeding mechanism 62, a control cabinet 63 and a feeding mechanism 64; the feeding mechanism 62 is arranged at the rear of the workbench 60, the automatic sewing machine 61 is arranged on one end of the workbench 60, the control cabinet 63 is arranged below the workbench 60, and the feeding mechanism 64 is arranged on the front of the end of the workbench 60. The automatic placket sewing device 6 is used to automatically sew the placket material to the cloth, and cooperate with the turning mechanism 5 to realize the automatic turning action of the placket, which greatly improves the automation efficiency. Improve the production efficiency of clothing and reduce labor costs; the automatic sewing machine 61 is also provided with a control button and an operation panel, and the workbench 60 is also provided with an outer cover, and the outer cover can be provided with a cross positioning ray lamp according to needs; the workbench is provided with a smooth table surface, and the smooth table surface is used for moving materials; the automatic sewing machine 61 is also provided with a sewing mechanism 610 and a presser foot mechanism 611, and the presser foot mechanism 611 is used to keep the fabric stable, thereby ensuring that the folded part of the placket fabric will not deviate and twist during the sewing process, thereby maintaining the accuracy and neatness of the sewing position and improving the sewing quality.

[0038] The loading mechanism 62 includes a transverse moving mechanism 620 and a longitudinal moving mechanism 621. The transverse moving mechanism 620 is provided with a slide, and the longitudinal moving mechanism 621 is arranged on the slide. The longitudinal moving mechanism 621 is provided with a slide one, and the flipping mechanism 5 is arranged on the slide one; the transverse moving mechanism 620 and the longitudinal moving mechanism 621 both include a servo motor, a slide rail group with a slider and a belt linkage assembly; the loading mechanism 62 is used to move the placket material and fabric to be sewn to the automatic sewing machine 61, and cooperate with the automatic sewing machine 61 to perform sewing work, thereby improving automation efficiency.

[0039] The presser foot mechanism 611 includes a first presser foot assembly 612 and a second presser foot assembly 613; the automatic sewing machine 61 is provided with a first mounting plate and a second mounting plate; the first presser foot assembly 612 and the second presser foot assembly 613 are arranged on the side of the sewing mechanism in a front-to-back manner; the first presser foot assembly 612 includes a fourth cylinder 612a, a fifth cylinder 612b and a fifth presser foot block 612c, the fourth cylinder 612a is vertically arranged on the first mounting plate, the first mounting plate is provided with a fourth slide rail, the fourth slide rail is provided with a fourth slider, The fourth slider is provided with a fifth mounting plate, and the driving rod of the fourth cylinder 612a is connected to the fifth mounting plate; the fifth cylinder 612b is provided on the fifth mounting plate, and the fifth mounting plate is provided with a fifth slider, and the fifth slider is provided with a fifth slide rail, and the fifth slide rail is provided with a fifth connecting plate, and the fifth pressure foot block 612c is provided at the end of the fifth connecting plate; a hinge structure is provided between the fifth cylinder 612b and the fifth mounting plate, and between the driving rod of the fifth cylinder 612b and the fifth connecting plate, and each hinge structure includes a connecting sleeve and a rotating shaft;

[0040] The second presser foot assembly 613 includes a sixth cylinder 613a, a sixth rotating cylinder 613b and a sixth presser foot block 613c; the second mounting plate is provided with a sixth slide rail, the sixth slide rail is provided with a sixth slider, the sixth slider is provided with a sixth mounting plate, the sixth rotary cylinder 613b is arranged on the sixth mounting plate, and the sixth presser foot block 613c is arranged on the rotating axis of the sixth rotary cylinder 613b; the driving rod of the sixth cylinder 613a is hinged to the sixth mounting plate, and the hinge includes a connecting sleeve 1 and a rotating shaft 1, and an L-shaped connecting block is provided between the sixth presser foot block 613c and the rotating axis of the sixth rotary cylinder 613b.

[0041] The unloading mechanism 64 includes a mounting plate four, a cylinder four and a unloading rod. Hinge connection structures are provided between one end of the unloading rod and the mounting plate four, between one end of the cylinder four and the mounting plate four, and between the driving rod of the cylinder four and the unloading rod; a cross bar is provided at the other end of the unloading rod. The unloading mechanism 64 is used to realize the automatic unloading action of the processed cloth, thereby improving the automation efficiency.

[0042] The working principle of the present invention is as follows: the placket material is placed on the cloth material to form the material to be sewn, and then placed on the smooth surface of the workbench, the start button controls the first pressing mechanism of the turning device to press the cloth material, the lifting and pressing components of the second pressing mechanism press the placket material respectively, the feeding mechanism transports the material to be sewn to the bottom of the automatic sewing machine, and then the feeding mechanism controls the material to be sewn to move and cooperate with the automatic sewing machine to perform the first sewing process, and fix the placket on the cloth material. After the first sewing is completed, one of the lifting and pressing components is raised, and the blowing component close to the side of the raised lifting and pressing component is moved to blow up the folded part of the placket material, and one of the third cylinders in the folding component drives the folding rod to drive the blown folded part to the pressure block of the other lifting and pressing component, and then the raised lifting and pressing component is reset, and the feeding mechanism drives the material to be sewn to cooperate with the automatic sewing The machine performs a second sewing action on the folded part. After the second sewing action is completed, the lifting and pressing assembly that was raised for the first time is raised again, and then the third cylinder of the first folding action drives the folding rod to reset, and the blowing assembly on the other lifting and pressing assembly blows the sewn folded part down and resets it. The lifting and pressing assembly that was raised for the first time is pressed, and then the other lifting and pressing assembly is raised, and the other blowing assembly blows up the folded part to be sewn, and the other third cylinder drives another folding rod to drive the blown folded part to the pressure block of the lifting and pressing assembly. The other lifting and pressing assembly is reset, and the feeding mechanism drives the material to be sewn to cooperate with the automatic sewing machine to perform a third sewing action on the folded part. After the third sewing action is completed, the mechanism is reset, and then the first pressing mechanism and the lifting and pressing assembly are raised, the unloading mechanism moves the processed sewing material out of the workbench, the flipping device is reset to process the next material, and the entire process is completed.

[0043] The utility model realizes the automatic folding action of the placket material by arranging a turning device, and is used to fix the sewing cloth by arranging a first pressing mechanism; a lifting and pressing component is provided to press and loosen the folded part of the placket material, and the folding part of the placket material is blown with air in cooperation with the blowing function provided by the blowing component, and the folding component realizes the folding action of the folding part of the placket material, thereby improving the automation efficiency, reducing the labor intensity and cost, and ensuring the efficiency, quality and consistency of the folding action; the utility model realizes the automatic feeding of the sewing material, automatic turning of the placket, sewing processing and unloading of the material by arranging an automatic placket sewing device with a turning device, thereby improving the automation efficiency, reducing the labor intensity and cost, and improving the production efficiency and quality of the shirt; the presser foot mechanism composed of the first presser foot component and the second presser foot component is used to maintain the stability of the cloth and the placket material, thereby ensuring that the fabric of the folded part of the placket will not deviate and twist during the sewing process, maintaining the accuracy and neatness of the sewing position, and improving the sewing quality.

[0044] The present invention is not limited to the above-mentioned embodiments. Other turning devices and automatic placket sewing equipment obtained by adopting the same or similar structures or devices as the above-mentioned embodiments of the present invention are all within the scope of protection of the present invention.

Claims

1. A turning device, characterized in that: The flipping device includes a mounting seat, a first pressing mechanism, a second pressing mechanism and a flipping mechanism; the second pressing mechanism includes two lifting and pressing components; the flipping mechanism includes multiple blowing components and folding components, the blowing components are respectively arranged on the first pressing mechanism and the lifting and pressing components, and the folding components are arranged on the first pressing mechanism; the first pressing mechanism is used to press and fix the cloth.

2. The turning device according to claim 1, characterized in that: The first pressing mechanism includes a mounting plate, two first cylinders and two guide rails. The mounting seat is provided with a first mounting plate. The two first cylinders are vertically arranged on the mounting plate. The two guide rails are vertically arranged on the mounting plate. The guide rails are each provided with a slider group. The slider group is each provided with a mounting seat 1. The mounting plate is arranged at the bottom of the mounting seat 1.

3. The turning device according to claim 2, characterized in that: The mounting plate is provided with a first mounting portion and a second mounting portion, and the first mounting portion and the second mounting portion are arranged on the mounting plate in a mirror-image manner; a recess and an entrance are provided between the first mounting portion and the second mounting portion.

4. The turning device according to claim 3, characterized in that: The two lifting and pressing assemblies are arranged in an array on the first mounting plate; the two lifting and pressing assemblies each include a second cylinder, a second guide rail and a pressure block, the second cylinder and the second guide rail are both arranged in an array on the first mounting plate, the second guide rail is provided with a second slider group, the second slider group is provided with a second corner block, the pressure block is provided on the second corner block and in the recess; the driving rod of the second cylinder is provided with a connecting rod, and the connecting rod is connected to the second corner block.

5. The turning device according to claim 4, characterized in that: The plurality of blowing assemblies are respectively arranged on the inner edge of the first mounting portion, the inner edge of the second mounting portion and the inner edge of the pressing block; the blowing assemblies each include an air pipe, and the air pipe is provided with an air pipe joint and an air outlet group, and the air outlet group is arranged on the inner side.

6. The turning device according to claim 5, characterized in that: The folding assembly includes a third slide rail, two third cylinders and two folding rods; the third slide rail is arranged on the mounting plate, the third slide rail is provided with two third sliders, the third sliders are each provided with a connecting block, and the folding rods are respectively provided on the connecting blocks; the two third cylinders are arranged behind the third slide rail, the driving rods of the third cylinders are each provided with a connecting angle block, and the connecting angle blocks are respectively connected to the connecting blocks; the third cylinders are used to control the movement of the folding rods respectively, thereby realizing the folding action.

7. The turning device according to claim 6, characterized in that: The connecting block is provided with a straight slot hole group, each of which includes multiple straight slot holes. The folding rod is provided with multiple threaded holes, and the folding rod is fixed to the connecting block through a threaded connection structure; the folding rod is also provided with an inclined surface, and the pressing block is also provided with an inclined surface one.

8. An automatic sewing device for a placket, characterized by: The invention comprises the turning device according to any one of claims 1 to 7.

9. The automatic placket sewing device according to claim 8, characterized in that: The automatic placket sewing device includes a workbench, an automatic sewing machine, a loading mechanism, a control cabinet, and a unloading mechanism; the loading mechanism is arranged at the rear of the workbench, the automatic sewing machine is arranged at one end of the workbench, the control cabinet is arranged below the workbench, and the unloading mechanism is arranged in front of the end of the workbench; the automatic sewing machine is also provided with a stitching mechanism and a presser foot mechanism; The feeding mechanism includes a transverse moving mechanism and a longitudinal moving mechanism. The transverse moving mechanism is provided with a slide. The longitudinal moving mechanism is arranged on the slide. The longitudinal moving mechanism is provided with slide one. The flipping mechanism is arranged on slide one. The transverse moving mechanism and the longitudinal moving mechanism both include a servo motor, a slide rail group with a slider and a belt linkage assembly.

10. The automatic placket sewing device according to claim 9, characterized in that: The presser foot mechanism includes a first presser foot assembly and a second presser foot assembly; the automatic sewing machine is provided with a first mounting plate and a second mounting plate; the first presser foot assembly and the second presser foot assembly are arranged on the side of the sewing mechanism in a front-to-back manner; the first presser foot assembly includes a fourth cylinder, a fifth cylinder and a fifth presser foot block, the fourth cylinder is arranged on the first mounting plate in a vertical manner, the first mounting plate is provided with a fourth slide rail, the fourth slide rail is provided with a fourth slider, the fourth slider is provided with a fifth mounting plate, the driving rod of the fourth cylinder is connected to the fifth mounting plate; the fifth cylinder is arranged on the fifth mounting plate, the fifth mounting plate is provided with a fifth slider, the fifth slider is provided with a fifth slide rail, the fifth slide rail is provided with a fifth connecting plate, and the fifth presser foot block is arranged at the end of the fifth connecting plate; a hinge structure is provided between the fifth cylinder and the fifth mounting plate, and between the driving rod of the fifth cylinder and the fifth connecting plate; The second presser foot assembly includes a sixth air cylinder, a sixth rotating cylinder, and a sixth presser foot block; the second mounting plate is provided with a sixth slide rail, the sixth slide rail is provided with a sixth slider, the sixth slider is provided with a sixth mounting plate, the sixth rotating cylinder is provided on the sixth mounting plate, and the sixth presser foot block is provided on the rotating shaft of the sixth rotating cylinder; the driving rod of the sixth cylinder is hinged to the sixth mounting plate; The blanking mechanism includes a mounting plate four, a cylinder four and a blanking rod. Hinge connection structures are provided between one end of the blanking rod and the mounting plate four, between one end of the cylinder four and the mounting plate four, and between the driving rod of the cylinder four and the blanking rod; a cross bar is provided at the other end of the blanking rod.

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