Method of using a placket positioning and folding forming system

Abstract

A method for using a placket positioning and folding forming system involves first extracting a placket fabric piece, comprising short rectangular, long rectangular, and triangular pieces. A diagonal moving plate is then driven to its endpoint, followed by the movement of a left smooth plate, a right smooth plate, and springs until they are joined to form an obtuse-angled clamping groove. The placket fabric piece is then laid flat on the sliding plate clamping cavity. Air is drawn downwards through the suction vent to obtain a stack of short and long fabric pieces. A telescopic pressing plate is then driven forward to obtain a second stack of long fabric pieces. A lateral moving plate is then driven to the left to its endpoint to obtain a third stack of long fabric pieces. A spring assembly clamps a stack of short fabric pieces. Finally, the upper and lower springs are rotated to move the stack of short fabric pieces above the third stack of long fabric pieces, thus obtaining a positioned folded body. This design features a clear layout, strong collaboration, high feasibility, and high work efficiency.

Description

Technical Field

[0001] This invention relates to a pre-process for sewing sleeve vents, belonging to the field of sleeve vent sewing, and particularly to a method for using a placket positioning and folding forming system. Background Technology

[0002] Currently, shirt sewing involves components such as the front panel, collar, sleeves, and sleeve vents, each with different sewing methods. Sleeve vents, used to loosen or tighten cuffs, are both practical and aesthetically pleasing. However, because sleeve vents are made of irregularly shaped fabric with a sword-shaped (or arrowhead) structure, sewing them requires sewing multiple corners, making the stitching process cumbersome. This means that most of the current process must be done manually, resulting in low efficiency and difficulty in standardizing sewing techniques, which can reduce the efficiency of assembly lines.

[0003] Patent application CN104862881A, published on August 26, 2015, discloses an automatic sleeve sewing system and method, including a frame, a sewing panel, a main beam, a sewing shuttle support beam, a sewing area on the sewing panel, a main folding device mounted on the sewing panel, an auxiliary folding device mounted on the main beam, a sewing head mounted on the main beam, and a sewing shuttle mounted on the sewing shuttle support beam. The sewing shuttle and sewing head correspond to the sewing area. This design uses a folding-then-sewing process, but it has the following drawbacks:

[0004] First, the folding steps in this design are rather crude. It only states that the first sleeve vent fabric piece to be processed and the second sleeve vent fabric piece to be processed are folded and pressed together, without describing the specific folding details. This makes it less feasible and difficult to use to improve work efficiency.

[0005] Secondly, there is no correspondence between the structural design of the automatic sleeve vent sewing system and the folding effect of the first and second sleeve vent fabric pieces that it aims to achieve. It lacks both the specific operation process of the structure and the correlation between the structure and the effect, which further reduces the feasibility of the technology and makes it even more difficult to use to improve work efficiency.

[0006] The information disclosed in this background section is intended only to enhance understanding of the overall background of this application and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Summary of the Invention

[0007] The purpose of this invention is to overcome the defects and problems of weak executability and low work efficiency in the existing technology, and to provide a method for using a placket positioning and folding forming system with strong executability and high work efficiency.

[0008] To achieve the above objectives, the technical solution of the present invention is: a method of using a placket positioning and folding forming system, the method comprising the following steps:

[0009] Fabric preparation steps: Take out a piece of placket fabric for processing. The placket fabric includes a short rectangular fabric piece, a long rectangular fabric piece, and a triangular fabric piece. The inner side of the short rectangular fabric piece is connected to the inner side of the long rectangular fabric piece. The bottom end of the short rectangular fabric piece is flush with the bottom end of the long rectangular fabric piece. The part of the front end of the long rectangular fabric piece that extends beyond the front end of the short rectangular fabric piece is connected to the large diameter end of the triangular fabric piece to form the long placket fabric piece. The tip of the triangular fabric piece extends away from the bottom end of the long rectangular fabric piece.

[0010] No fabric piece operation steps: First, drive the inclined moving plate to move in an inclined straight line to the end of the stroke. Then drive the left smooth plate and the right smooth plate to move forward together along the top surface of the operating platform. The upper spring and the lower spring move forward together until the top of the right smooth plate and the inner side of the inclined moving plate are joined to form an obtuse angle groove. The lower spring moves forward in the fabric piece deep groove to the end of the lower spring's stroke. At this time, there is an inner end gap between the inner end of the lower spring and the inner end of the fabric piece deep groove. Then lift the front end of the upper spring upward to increase the distance between the upper spring and the lower spring.

[0011] Operating steps with fabric pieces: First, lay the aforementioned placket fabric pieces flat on the slide plate cavity. After laying them flat, the short rectangular fabric piece should be above the deep groove of the fabric piece, and the long placket fabric piece should be above the shallow groove of the fabric piece. The part of the short rectangular fabric piece extending beyond the left side of the deep groove of the fabric piece is the left wing piece, and the part of the long placket fabric piece extending beyond the right side of the shallow groove of the fabric piece is the right wing piece. Then, control the air intake hole to draw air downwards to fold the left and right wing pieces inwards. The left wing piece is folded onto the short rectangular fabric piece to obtain a stack of short fabric pieces, and the right wing piece is folded onto the long placket fabric piece to obtain a stack of long fabric pieces. Then, drive the telescopic pressing plate forward. The first stack of long fabric pieces is folded inward to obtain a second stack of long fabric pieces. The second stack of long fabric pieces is then folded inward to obtain a third stack of long fabric pieces. The third stack of long fabric pieces is obtained by folding the top of the second stack of long fabric pieces to the left. The fourth stack of long fabric pieces is obtained by keeping the second stack of long fabric pieces in the same position and driving the telescopic pressure plate to retract and reset. The fifth stack of short fabric pieces is then driven downward to clamp a stack of short fabric pieces together with the upper spring. The sixth stack of short fabric pieces is then rotated to rotate the stack of short fabric pieces to the top of the third stack of long fabric pieces. At this point, the angle between the stack of short fabric pieces and the third stack of long fabric pieces is an acute angle, thus obtaining a positioning folded body.

[0012] The positioning and folding forming system includes an operating platform, a fabric groove, a spring device, an inclined moving plate, a transverse moving plate, and a rear mold. The fabric groove is located inside the operating platform. The inclined moving plate and the transverse moving plate reciprocate along the top surface of the operating platform in corresponding inclined and transverse linear motions, respectively. The motion trajectories of the inclined moving plate and the transverse moving plate intersect each other. The rear mold is set higher than the operating platform. The spring device is located on the front side of the operating platform and is directly opposite the fabric groove.

[0013] The fabric groove includes a deep fabric groove and a shallow fabric groove. The shallow fabric groove includes a triangular shallow groove and a rectangular shallow groove. The depth of the shallow fabric groove is less than that of the deep fabric groove. The right side of the deep fabric groove is connected to the left side of the rectangular shallow groove via a stepped surface. The outer end of the deep fabric groove is flush with the outer end of the rectangular shallow groove. The part of the inner end of the rectangular shallow groove that extends beyond the inner end of the deep fabric groove is connected to the large-diameter end of the triangular shallow groove. The pointed end of the triangular shallow groove extends away from the spring device. The outer edges of the deep fabric groove, the triangular shallow groove, and the rectangular shallow groove, as well as the top of the stepped surface, are all provided with air intake holes.

[0014] The spring device includes a left smooth plate and a right smooth plate of equal height, and a sliding plate cavity between them. The sliding plate cavity is provided with an upper spring and a lower spring corresponding to each other. The height of the lower spring is lower than that of the left smooth plate. The lower spring is inserted into the deep groove of the fabric piece, and the top of the right smooth plate is spliced ​​with the inner side of the inclined moving plate.

[0015] The rear mold includes a telescopic pressure plate that reciprocates linearly above the operating platform, the direction of which is parallel to the axis of the deep groove of the fabric.

[0016] The operating platform has an oblique through groove and a transverse through groove on the right side near the shallow groove of the fabric piece, and the oblique through groove is located between the transverse through groove and the shallow groove of the fabric piece.

[0017] The bottom of the inclined moving plate is connected to the top of the inclined slider, and the bottom of the inclined slider extends through the inclined slot to the bottom of the operating platform. The bottom of the horizontal moving plate is connected to the top of the horizontal slider, and the bottom of the horizontal slider extends through the horizontal slot to the bottom of the operating platform.

[0018] The side of the inclined slider near its bottom surface is connected to one end of the inclined middle slider, and the other end of the inclined middle slider is connected to the output end of the inclined cylinder via the inclined drive rod.

[0019] The bottom of the horizontal slider is connected to the inner end of the horizontal middle slider, and the middle part of the horizontal middle slider is connected to the output end of the horizontal cylinder via the horizontal drive rod.

[0020] The fact that the outer edges of the deep groove, the triangular shallow groove, and the rectangular shallow groove are all provided with air intake holes means that multiple air intake holes are provided on the top surface of the operating platform near the left side of the deep groove, near the inner end of the deep groove, along the two sides of the triangular shallow groove, and along the right side of the rectangular shallow groove.

[0021] The width of the slide clamping cavity is greater than the width of the fabric groove, and the left and right smooth plates both reciprocate in a linear motion along the top surface of the operating platform.

[0022] The movement trajectory of the left smooth plate is located outside the air intake hole opened on the deep groove of the fabric, and the movement trajectory of the right smooth plate is located outside the air intake hole opened on the outer edge of the rectangular shallow groove.

[0023] The top of the right smooth plate is spliced ​​with the inner side of the inclined moving plate, which means that the top of the right smooth plate is a right oblique angle, and the oblique side of the right oblique angle is spliced ​​with the inner side of the inclined moving plate to form an obtuse angle clamping groove. The obtuse angle clamping groove is set around the right side of the triangular shallow groove and the rectangular shallow groove.

[0024] The minimum distance between the obtuse-angled groove and the left smooth plate is greater than the maximum width of the telescopic pressure plate.

[0025] The movement trajectory of the telescopic pressure plate covers the area above the air intake hole on the left side of the deep groove of the fabric, and above the part of the deep groove of the fabric near the left smooth plate.

[0026] The rear mold also includes a pressing slider, a telescopic cylinder and a drive block. The telescopic pressing includes a front edge, a left edge, a rear edge, a right edge and a sloping edge connected in sequence. The included angles formed between the sloping edge and the front edge and the right edge are both obtuse angles.

[0027] The length of the front side of the tablet is less than the length of the back side, and the length of the left side of the tablet is greater than the length of the right side. The right side of the tablet slides along the tableting groove on the side of the tableting slider reciprocates. The top of the tableting slider is connected to the bottom of the left end of the drive block via the middle support block, and the right end of the drive block is connected to the bottom end of the drive rod.

[0028] The top of the telescopic pressure plate is connected to the front end of the cylinder block, the rear end of the cylinder block extends to the rear of the telescopic pressure plate, the side of the rear end of the cylinder block is connected to the output end of the telescopic cylinder, and the fixed end of the telescopic cylinder is connected to the side of the pressure plate slider via a fixing block.

[0029] The upper and lower springs have the same structure, each including a long plate, a short plate, and a corner plate. The tip of the corner plate is directly opposite the deep groove of the fabric. The farthest moving position of the tip of the corner plate in the deep groove of the fabric forms a grooved buffer cavity between the inner end of the deep groove of the fabric. The waist edge of the corner plate is aligned with the inner side of the short plate. The outer side of the short plate is perpendicularly connected to the inner side of the long plate. The outer side of the long plate extends outward after passing through the deep groove of the fabric, and the width of the short plate is smaller than the width of the long plate.

[0030] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0031] 1. The method of using the placket positioning and folding forming system of the present invention includes, in sequence, a fabric preparation step, a fabric-free operation step, and a fabric-with operation step. In application, the operation steps are tailored to the sleeve placket material to be processed (such as the placket fabric piece), demonstrating strong specificity and enabling better positioning of the placket fabric piece. This overcomes the difficulties in folding or sewing special structures in the sleeve placket material, such as the sword tip, thus smoothly achieving the folding of the placket fabric piece. Simultaneously, the relative positions and movement trajectories of the fabric piece groove, spring, oblique moving plate, transverse moving plate, and telescopic pressure plate are specifically designed to ensure their cooperation, thereby completing a continuous folding operation. Furthermore, the overall system uses fewer components with a clear layout, ensuring that they do not interfere with each other during operation. All operations are fully automatic, significantly improving work efficiency and avoiding the drawbacks of manual operation, such as inconsistent operating standards and increased production costs. Therefore, the present invention not only features a unique structural design, clear layout, and strong interoperability, but also high feasibility and work efficiency.

[0032] 2. In the method of using the placket positioning and folding forming system of the present invention, the preferred layout of the air intake holes around the deep groove, triangular shallow groove, and rectangular shallow groove of the fabric piece is as follows: multiple air intake holes are provided on the top surface of the operating platform near the left side of the deep groove, near the inner end of the deep groove, along the two sides of the triangular shallow groove, and along the right side of the rectangular shallow groove. During application, the arrangement of air intake holes near the deep groove, triangular shallow groove, and rectangular shallow groove not only enables rapid and accurate folding of various flaps in the placket fabric piece, but also avoids mutual interference between flap folds, reduces the overall space occupied by the fabric groove, and improves the cooperation efficiency between the fabric groove, spring, inclined moving plate, lateral moving plate, and telescopic pressure plate. Therefore, the present invention not only achieves automatic folding smoothly, but also occupies less space and has higher cooperation efficiency.

[0033] 3. In the method of using the placket positioning and folding forming system of the present invention, the preferred cooperative structure of the right smooth plate and the oblique moving plate is as follows: the top of the right smooth plate is a right oblique angle, and the oblique side of the right oblique angle is spliced ​​with the inner side of the oblique moving plate to form an obtuse angle clamping groove. The obtuse angle clamping groove is set around the right side of the triangular shallow groove and the rectangular shallow groove. In application, when the right smooth plate and the oblique moving plate move to their respective end points of travel (or trajectory ends), the obtuse angle clamping groove formed by the right smooth plate and the oblique moving plate can just surround the right side of the triangular shallow groove and the rectangular shallow groove. This splicing effect can not only position and divide the placket fabric piece, facilitating the folding of the flap, but also ensure that the subsequent folding is confined to the area enclosed by the left smooth plate, the right smooth plate, and the obtuse angle clamping groove, which is conducive to the smooth progress of subsequent folding. Therefore, the present invention not only has a strong positioning effect, but also a good folding effect.

[0034] 4. In the method of using the placket positioning and folding forming system of the present invention, preferably, the movement trajectory of the telescopic pressure plate covers the area above the air intake hole provided on the left side of the deep groove of the fabric piece, and above the part of the deep groove of the fabric piece near the left smooth plate. During application, the movement trajectory of the telescopic pressure plate is combined with the shape characteristics of the object it acts upon, thereby achieving an inward folding effect, or even a diagonal downward rightward folding effect, thus saving operation steps and improving work efficiency. The effect is even better when the telescopic pressure plate includes the front edge, left side, back edge, right side, and diagonal edge of the piece connected in sequence. Therefore, the folding efficiency of the present invention is high.

[0035] 5. In the method of using the placket positioning and folding forming system of the present invention, there are upper and lower springs arranged correspondingly, and the structures of the two are identical, both including a long plate, a short plate, and a corner plate. The tip of the corner plate is directly opposite the deep groove of the fabric piece. The farthest movement position (i.e., the end point of the stroke) of the tip of the corner plate in the deep groove of the fabric piece is sandwiched between the inner end of the deep groove of the fabric piece and a groove buffer cavity. The waist edge of the corner plate is aligned with the inner side edge of the short plate. The outer side edge of the short plate is perpendicularly connected to the inner side edge of the long plate. The outer side edge of the long plate extends outward after passing over the deep groove of the fabric piece. The width of the short plate is smaller than the width of the long plate. In application, this design can ensure that the lower spring is inserted into the deep groove of the fabric piece. The filling facilitates smooth folding of the placket fabric. Simultaneously, the design of the short plate and corner plate ensures that the clamping and flipping of the placket fabric does not interfere with other components, thus preventing interference with the overall folding operation. Furthermore, the clutch design of the upper spring relative to the lower spring allows for strong adjustability of the distance between them. This allows the upper spring to be raised for easier laying and folding of the placket fabric, and also allows it to be pressed down to create a combined force with the lower spring to clamp and flip the folded placket fabric, expanding the scope of automatic operation, enhancing the overall automation of the design, and improving work efficiency. Therefore, this invention not only has strong adjustability and can perform a variety of actions, but also has a wide range of fully automatic operation coverage and high work efficiency. Attached Figure Description

[0036] Figure 1 This is a schematic diagram of the structure of the present invention.

[0037] Figure 2 This is a schematic diagram showing the relative position of the fabric groove on the operating platform in this invention.

[0038] Figure 3 yes Figure 2 Top view of the fabric groove.

[0039] Figure 4 yes Figure 2 A three-dimensional structural diagram of the central fabric groove.

[0040] Figure 5 This is a bottom view of the transverse through groove in this invention.

[0041] Figure 6 yes Figure 5 A schematic diagram of the horizontal slider in the middle.

[0042] Figure 7 This is a bottom view of the oblique through groove in this invention.

[0043] Figure 8 yes Figure 7 A schematic diagram of the inclined slider.

[0044] Figure 9 This is a schematic diagram of the reed device in this invention.

[0045] Figure 10 yes Figure 9 Bottom view of the reed device.

[0046] Figure 11 This is a schematic diagram of the structure of the rear mold in this invention.

[0047] Figure 12 This is a schematic diagram showing the relative positions of the telescopic pressing plate and the fabric groove in this invention.

[0048] Figure 13 This is a schematic diagram of the obtuse-angled groove in this invention.

[0049] Figure 14 This is a schematic diagram of the movement of the transverse moving plate in this invention to fold the placket fabric.

[0050] Figure 15 This is a schematic diagram illustrating the shape changes of the placket fabric piece when folded according to the present invention.

[0051] Figure 16 yes Figure 15 A bottom view of point A in the middle.

[0052] Figure 17 This is a schematic diagram of the structure in this invention where the placket fabric is laid on the fabric groove.

[0053] Figure 18 This is a schematic diagram of the ironing device in this invention.

[0054] Figure 19 This is a schematic diagram of the telescopic compression plate in this invention.

[0055] Figure 20 This is a schematic diagram of the structure of the transversely moving plate in this invention.

[0056] In the diagram: 1. Operating platform; 2. Fabric groove; 20. Shallow fabric groove; 21. Deep fabric groove; 21. Inner end gap; 21. Triangular shallow groove; 22. Rectangular shallow groove; 23. Stepped surface; 24. Suction hole; 25. Spring device; 3. Left smooth plate; 31. Right smooth plate; 32. Right oblique angle; 32. Slide clamping cavity; 33. Upper spring; 34. Lower spring; 35. Long plate; 35. Short plate; 35. Corner plate; 35. Groove buffer cavity; 354. Obtuse angle clamping groove; 36. Angle part; 361. Angled moving plate; 4. Angled through groove; 41. Angled slider; 42. Angled middle slider; 43. Angled drive rod; 44. Angled cylinder; 45. Lateral moving plate; 5. Horizontal through groove; 51. Horizontal slider; 52. Horizontal middle slider; 53. Horizontal drive rod; 54. Horizontal cylinder; 55. Horizontal front plate; 56. Horizontal rear plate. 57. Rear mold 6, telescopic pressing sheet 61, front edge of sheet 611, left side of sheet 612, rear edge of sheet 613, right side of sheet 614, oblique edge of sheet 615, front included angle of sheet 616, right included angle of sheet 617, upturned part 618, pressing sheet slider 62, pressing sheet groove 621, telescopic cylinder 63, cylinder block 631, fixing block 632, driving block 64, driving rod 641, central support block 65, ironing device 7, ironing board 71, ironing vertical board 72, ironing horizontal board 73, ironing cylinder 74, short rectangular fabric piece X, left wing piece X1, a stack of short fabric pieces X2, fabric included angle X3, placket long fabric piece Y, long rectangular fabric piece Y1, triangular fabric piece Y2, right wing piece Y3, a stack of long fabric pieces Y4, a stack of long fabric pieces Y5, a stack of long fabric pieces Y6, positioning folding body Z. Detailed Implementation

[0057] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0058] See Figure 1 — Figure 20 A method of using a placket positioning and folding forming system, the method comprising the following steps:

[0059] Fabric preparation steps: Take out a piece of placket fabric for processing. The placket fabric includes a short rectangular fabric piece X, a long rectangular fabric piece Y1, and a triangular fabric piece Y2. The inner side of the short rectangular fabric piece X is connected to the inner side of the long rectangular fabric piece Y1. The bottom end of the short rectangular fabric piece X is flush with the bottom end of the long rectangular fabric piece Y1. The part of the front end of the long rectangular fabric piece Y1 that extends beyond the front end of the short rectangular fabric piece X is connected to the large diameter end of the triangular fabric piece Y2 to form the long placket fabric piece Y. The tip of the triangular fabric piece Y2 extends away from the bottom end of the long rectangular fabric piece Y1.

[0060] No fabric piece operation steps: First, drive the inclined moving plate 4 to move in an inclined straight line to the end of the stroke. Then drive the left smooth plate 31 and the right smooth plate 32 to move forward together along the top surface of the operating platform 1. The upper spring 34 and the lower spring 35 move forward together until the top of the right smooth plate 32 and the inner side of the inclined moving plate 4 are spliced ​​to form an obtuse angle clamping groove 36. The lower spring 35 moves forward in the fabric piece deep groove 21 to the end of the stroke of the lower spring 35. At this time, there is an inner end gap 211 between the inner end of the lower spring 35 and the inner end of the fabric piece deep groove 21. Then lift the front end of the upper spring 34 upward to increase the distance between the upper spring 34 and the lower spring 35.

[0061] Operating steps with fabric pieces: First, lay the aforementioned placket fabric pieces flat on the slide plate cavity 33. After laying them flat, the short rectangular fabric piece X is located above the deep groove 21, and the long placket fabric piece Y is located above the shallow groove 20. The part of the short rectangular fabric piece X extending beyond the left side of the deep groove 21 is the left wing piece X1, and the part of the long placket fabric piece Y extending beyond the right side of the shallow groove 20 is the right wing piece Y3. Then, control the air intake vent 25 to draw air downwards to fold the left wing piece X1 and the right wing piece Y3 inwards. The left wing piece X1 is folded onto the short rectangular fabric piece X to obtain a stack of short fabric pieces X2, and the right wing piece Y3 is folded onto the long placket fabric piece Y to obtain a stack of long fabric pieces Y4. Then, drive the telescopic pressing plate 61. Moving forward, the top of a stack of long fabric pieces Y4 is folded inward to obtain a second stack of long fabric pieces Y5. Then, the lateral moving plate 5 is driven to move to the left to the end of its travel to fold the top of the second stack of long fabric pieces Y5 to the left, thus obtaining a third stack of long fabric pieces Y6. Then, the position of the lateral moving plate 5 is kept still, and the telescopic pressure plate 61 is driven to retract and reset. Then, the lower spring 35 is driven to move downward to clamp a stack of short fabric pieces X2 together with the upper spring 34. Then, the upper spring 34 and the lower spring 35 are rotated to rotate the stack of short fabric pieces X2 to the top of the third stack of long fabric pieces Y6. At this time, the fabric angle X3 formed between the stack of short fabric pieces X2 and the third stack of long fabric pieces Y6 is an acute angle, thus obtaining the positioning folded body Z.

[0062] The positioning and folding forming system includes an operating platform 1, a fabric groove 2, a spring device 3, an inclined moving plate 4, a transverse moving plate 4, and a rear mold 6. The fabric groove 2 is located inside the operating platform 1. The inclined moving plate 4 and the transverse moving plate 4 reciprocate along the top surface of the operating platform 1 in corresponding inclined and transverse linear motions, respectively. The motion trajectories of the inclined moving plate 4 and the transverse moving plate 4 intersect each other. The rear mold 6 is set higher than the operating platform 1. The spring device 3 is located on the front side of the operating platform 1 and is directly opposite the fabric groove 2.

[0063] The fabric groove 2 includes a deep fabric groove 21 and a shallow fabric groove 20. The shallow fabric groove 20 includes a triangular shallow groove 22 and a rectangular shallow groove 23. The depth of the shallow fabric groove 20 is less than that of the deep fabric groove 21. The right side of the deep fabric groove 21 is connected to the left side of the rectangular shallow groove 23 via a stepped surface 24. The outer end of the deep fabric groove 21 is flush with the outer end of the rectangular shallow groove 23. The part of the inner end of the rectangular shallow groove 23 that extends beyond the inner end of the deep fabric groove 21 is connected to the large-diameter end of the triangular shallow groove 22. The pointed end of the triangular shallow groove 22 extends away from the spring device 3. The outer edges of the deep fabric groove 21, the triangular shallow groove 22, and the rectangular shallow groove 23, as well as the top of the stepped surface 24, are all provided with air intake holes 25.

[0064] The spring device 3 includes a left smooth plate 31 and a right smooth plate 32 of equal height, and a sliding plate cavity 33 between them. The sliding plate cavity 33 is provided with an upper spring 34 and a lower spring 35 corresponding to each other. The height of the lower spring 35 is lower than that of the left smooth plate 31. The lower spring 35 is inserted into the deep groove 21 of the fabric piece, and the top of the right smooth plate 32 is spliced ​​with the inner side of the inclined moving plate 4.

[0065] The rear mold 6 includes a telescopic pressure plate 61, which reciprocates linearly above the operating platform 1, and the direction of the linear motion is parallel to the axis of the fabric deep groove 21.

[0066] An oblique through groove 41 and a transverse through groove 51 are provided on the right side of the fabric shallow groove 20 on the operating platform 1, and the oblique through groove 41 is located between the transverse through groove 51 and the fabric shallow groove 20.

[0067] The bottom of the inclined moving plate 4 is connected to the top of the inclined slider 42. The bottom of the inclined slider 42 extends through the inclined through groove 41 to the bottom of the operating platform 1. The bottom of the horizontal moving plate 4 is connected to the top of the horizontal slider 52. The bottom of the horizontal slider 52 extends through the horizontal through groove 51 to the bottom of the operating platform 1.

[0068] The side of the inclined slider 42 near its bottom surface is connected to one end of the inclined middle slider 43, and the other end of the inclined middle slider 43 is connected to the output end of the inclined cylinder 45 via the inclined drive rod 44.

[0069] The bottom of the horizontal slider 52 is connected to the inner end of the horizontal middle slider 53, and the middle part of the horizontal middle slider 53 is connected to the output end of the horizontal cylinder 55 via the horizontal drive rod 54.

[0070] The outer edges of the deep groove 21, the triangular shallow groove 22, and the rectangular shallow groove 23 are provided with air intake holes 25, which means that multiple air intake holes 25 are provided on the top surface of the operating platform 1 near the left side of the deep groove 21, near the inner end of the deep groove 21, along the two sides of the triangular shallow groove 22, and along the right side of the rectangular shallow groove 23.

[0071] The width of the slide clamping cavity 33 is greater than the width of the cloth groove 2, and the left smooth plate 31 and the right smooth plate 32 both reciprocate linearly along the top surface of the operating platform 1.

[0072] The movement trajectory of the left smooth plate 31 is located outside the air intake hole 25 opened on the deep groove 21 of the fabric, and the movement trajectory of the right smooth plate 32 is located outside the air intake hole 25 opened on the outer edge of the rectangular shallow groove 23.

[0073] The top of the right smooth plate 32 is spliced ​​with the inner side of the inclined moving plate 4, which means that the top of the right smooth plate 32 is a right oblique angle 321, and the oblique side of the right oblique angle 321 is spliced ​​with the inner side of the inclined moving plate 4 to form an obtuse angle clamping groove 36. The obtuse angle clamping groove 36 is set around the right side of the triangular shallow groove 22 and the rectangular shallow groove 23.

[0074] The minimum distance between the obtuse angled groove 36 and the left smooth plate 31 is greater than the maximum width of the telescopic pressure plate 61;

[0075] The movement trajectory of the telescopic pressure plate 61 covers the area above the air intake hole 25 provided on the left side of the fabric deep groove 21, and above the part of the fabric deep groove 21 near the left smooth plate 31.

[0076] The rear mold 6 also includes a pressing slider 62, a telescopic cylinder 63 and a driving block 64. The telescopic pressing 61 includes a front edge 611, a left edge 612, a rear edge 613, a right edge 614 and a inclined edge 615 connected in sequence. The included angles 616 and 617 formed between the inclined edge 615 and the front edge 611 and the right edge 614 are both obtuse angles.

[0077] The length of the front side 611 of the tablet is less than the length of the rear side 613 of the tablet, the length of the left side 612 of the tablet is greater than the length of the right side 614 of the tablet, the right side 614 of the tablet reciprocates along the tableting groove 621 opened on the side of the tableting slider 62, the top of the tableting slider 62 is connected to the bottom of the left end of the driving block 64 via the middle support block 65, and the right end of the driving block 64 is connected to the bottom end of the driving rod 641;

[0078] The top of the telescopic pressure plate 61 is connected to the front end of the cylinder block 631, the rear end of the cylinder block 631 extends to the rear of the telescopic pressure plate 61, the side of the rear end of the cylinder block 631 is connected to the output end of the telescopic cylinder 63, and the fixed end of the telescopic cylinder 63 is connected to the side of the pressure plate slider 62 via the fixing block 632.

[0079] The upper spring 34 and lower spring 35 have the same structure, both including a long plate 351, a short plate 352 and a corner plate 353. The tip of the corner plate 353 is directly opposite to the deep groove 21 of the fabric. The farthest moving position of the tip of the corner plate 353 in the deep groove 21 of the fabric forms a groove buffer cavity 354 between the inner end of the deep groove 21 and the outer edge of the corner plate 353. The waist edge of the corner plate 353 is aligned and connected with the inner side edge of the short plate 352. The outer side edge of the short plate 352 is perpendicularly connected with the inner side edge of the long plate 351. The outer side edge of the long plate 351 extends outward after passing over the deep groove 21 of the fabric, and the width of the short plate 352 is smaller than the width of the long plate 351.

[0080] The principle of this invention is explained as follows:

[0081] The insertion and engagement of the lower spring 35 with the deep groove 21 of the fabric piece means that when the lower spring 35 moves forward along the deep groove 21 of the fabric piece and reaches the end of its travel, the lower spring 35 is fully inserted into the interior of the deep groove 21 of the fabric piece. A groove buffer cavity 354 is formed between the front end of the lower spring 35 and the front end of the deep groove 21 of the fabric piece. After insertion, the lower spring 35 is not only embedded in the interior of the deep groove 21 of the fabric piece, but also the top surface of the lower spring 35 is flush with the top surface of the operating platform 1.

[0082] When the obtuse angle groove 36 is formed, it is preferable that the inclined moving plate 4 and the right smooth plate 32 both move to their respective end points of travel. At this time, the two angle sides of the angle portion 361 in the obtuse angle groove 36 extend along the right side of the triangular shallow groove 22 and the rectangular shallow groove 23, respectively.

[0083] Example 1:

[0084] See Figure 1 — Figure 20 A method of using a placket positioning and folding forming system, the method comprising the following steps:

[0085] Fabric preparation steps: Take out a piece of placket fabric for processing. The placket fabric includes a short rectangular fabric piece X, a long rectangular fabric piece Y1, and a triangular fabric piece Y2. The inner side of the short rectangular fabric piece X is connected to the inner side of the long rectangular fabric piece Y1. The bottom end of the short rectangular fabric piece X is flush with the bottom end of the long rectangular fabric piece Y1. The part of the front end of the long rectangular fabric piece Y1 that extends beyond the front end of the short rectangular fabric piece X is connected to the large diameter end of the triangular fabric piece Y2 to form the long placket fabric piece Y. The tip of the triangular fabric piece Y2 extends away from the bottom end of the long rectangular fabric piece Y1.

[0086] No fabric piece operation steps: First, drive the inclined moving plate 4 to move in an inclined straight line to the end of the stroke. Then drive the left smooth plate 31 and the right smooth plate 32 to move forward together along the top surface of the operating platform 1. The upper spring 34 and the lower spring 35 move forward together until the top of the right smooth plate 32 and the inner side of the inclined moving plate 4 are spliced ​​to form an obtuse angle clamping groove 36. The lower spring 35 moves forward in the fabric piece deep groove 21 to the end of the stroke of the lower spring 35. At this time, there is an inner end gap 211 between the inner end of the lower spring 35 and the inner end of the fabric piece deep groove 21. Then lift the front end of the upper spring 34 upward to increase the distance between the upper spring 34 and the lower spring 35.

[0087] Operating steps with fabric pieces: First, lay the aforementioned placket fabric pieces flat on the slide plate cavity 33. After laying them flat, the short rectangular fabric piece X is located above the deep groove 21, and the long placket fabric piece Y is located above the shallow groove 20. The part of the short rectangular fabric piece X extending beyond the left side of the deep groove 21 is the left wing piece X1, and the part of the long placket fabric piece Y extending beyond the right side of the shallow groove 20 is the right wing piece Y3. Then, control the air intake vent 25 to draw air downwards to fold the left wing piece X1 and the right wing piece Y3 inwards. The left wing piece X1 is folded onto the short rectangular fabric piece X to obtain a stack of short fabric pieces X2, and the right wing piece Y3 is folded onto the long placket fabric piece Y to obtain a stack of long fabric pieces Y4. Then, drive the telescopic pressing plate 61. Moving forward, the top of a stack of long fabric pieces Y4 is folded inward to obtain a second stack of long fabric pieces Y5. Then, the lateral moving plate 5 is driven to move to the left to the end of its travel to fold the top of the second stack of long fabric pieces Y5 to the left, thus obtaining a third stack of long fabric pieces Y6. Then, the position of the lateral moving plate 5 is kept still, and the telescopic pressure plate 61 is driven to retract and reset. Then, the lower spring 35 is driven to move downward to clamp a stack of short fabric pieces X2 together with the upper spring 34. Then, the upper spring 34 and the lower spring 35 are rotated to rotate the stack of short fabric pieces X2 to the top of the third stack of long fabric pieces Y6. At this time, the fabric angle X3 formed between the stack of short fabric pieces X2 and the third stack of long fabric pieces Y6 is an acute angle, thus obtaining the positioning folded body Z.

[0088] Example 2:

[0089] The basic content is the same as in Example 1, except that:

[0090] The positioning and folding forming system includes an operating platform 1, a fabric groove 2, a spring device 3, an inclined moving plate 4, a transverse moving plate 4, and a rear mold 6. The fabric groove 2 is located inside the operating platform 1. The inclined moving plate 4 and the transverse moving plate 4 reciprocate along the top surface of the operating platform 1 in corresponding inclined and transverse linear motions, respectively. The motion trajectories of the inclined moving plate 4 and the transverse moving plate 4 intersect each other. The rear mold 6 is set higher than the operating platform 1. The spring device 3 is located on the front side of the operating platform 1 and is directly opposite the fabric groove 2.

[0091] The fabric groove 2 includes a deep fabric groove 21 and a shallow fabric groove 20. The shallow fabric groove 20 includes a triangular shallow groove 22 and a rectangular shallow groove 23. The depth of the shallow fabric groove 20 is less than that of the deep fabric groove 21. The right side of the deep fabric groove 21 is connected to the left side of the rectangular shallow groove 23 via a stepped surface 24. The outer end of the deep fabric groove 21 is flush with the outer end of the rectangular shallow groove 23. The part of the inner end of the rectangular shallow groove 23 that extends beyond the inner end of the deep fabric groove 21 is connected to the large-diameter end of the triangular shallow groove 22. The pointed end of the triangular shallow groove 22 extends away from the spring device 3. The outer edges of the deep fabric groove 21, the triangular shallow groove 22, and the rectangular shallow groove 23, as well as the top of the stepped surface 24, are all provided with air intake holes 25.

[0092] The spring device 3 includes a left smooth plate 31 and a right smooth plate 32 of equal height, and a sliding plate cavity 33 between them. The sliding plate cavity 33 is provided with an upper spring 34 and a lower spring 35 corresponding to each other. The height of the lower spring 35 is lower than that of the left smooth plate 31. The lower spring 35 is inserted into the deep groove 21 of the fabric piece, and the top of the right smooth plate 32 is spliced ​​with the inner side of the inclined moving plate 4.

[0093] The rear mold 6 includes a telescopic pressure plate 61, which reciprocates linearly above the operating platform 1, and the direction of the linear motion is parallel to the axis of the fabric deep groove 21.

[0094] Example 3:

[0095] The basic content is the same as in Example 2, except that:

[0096] Multiple air intake holes 25 are provided on the top surface of the operating platform 1 near the left side of the deep groove 21, near the inner end of the deep groove 21, along the two sides of the triangular shallow groove 22, and along the right side of the rectangular shallow groove 23. The width of the slide clamping cavity 33 is greater than the width of the fabric groove 2. The left smooth plate 31 and the right smooth plate 32 both reciprocate in a straight line along the top surface of the operating platform 1. The movement trajectory of the left smooth plate 31 is located outside the air intake holes 25 opened on the deep groove 21, and the movement trajectory of the right smooth plate 32 is located outside the air intake holes 25 opened on the outer edge of the rectangular shallow groove 23.

[0097] Example 4:

[0098] The basic content is the same as in Example 2, except that:

[0099] The top of the right smooth plate 32 is a right oblique angle 321. The oblique side of the right oblique angle 321 is joined with the inner side of the oblique moving plate 4 to form an obtuse angle clamping groove 36. The obtuse angle clamping groove 36 is arranged around the right side of the triangular shallow groove 22 and the rectangular shallow groove 23. The angle portion 361 of the obtuse angle clamping groove 36 is located on the movement trajectory of the transverse moving plate 5. The minimum distance between the obtuse angle clamping groove 36 and the left smooth plate 31 is greater than the maximum width of the telescopic pressure plate 61. The movement trajectory of the telescopic pressure plate 61 covers the air intake hole 25 provided on the left side of the fabric deep groove 21, and the part of the fabric deep groove 21 near the left smooth plate 31.

[0100] Example 5:

[0101] The basic content is the same as in Example 2, except that:

[0102] The rear mold 6 also includes a tableting slider 62, a telescopic cylinder 63, and a drive block 64. The telescopic tableting 61 includes a front edge 611, a left edge 612, a rear edge 613, a right edge 614, and a chamfered edge 615 connected in sequence. The chamfered edge 615 forms obtuse angles 616 and 617 with the front edge 611 and the right edge 614. The length of the front edge 611 is less than the length of the rear edge 613, and the length of the left edge 612 is greater than the length of the right edge 614. The right edge 614 is along the tableting slider. The tablet pressing slide groove 621 on the side of the tablet pressing slide 62 is reciprocated and slidably engaged. The top of the tablet pressing slide 62 is connected to the bottom of the left end of the drive block 64 via the middle support block 65. The right end of the drive block 64 is connected to the bottom end of the drive rod 641. The top of the telescopic pressing tablet 61 is connected to the front end of the cylinder block 631. The rear end of the cylinder block 631 extends to the rear of the telescopic pressing tablet 61. The side of the rear end of the cylinder block 631 is connected to the output end of the telescopic cylinder 63. The fixed end of the telescopic cylinder 63 is connected to the side of the tablet pressing slide 62 via the fixing block 632.

[0103] Example 6:

[0104] The basic content is the same as in Example 2, except that:

[0105] See Figure 18 The positioning and folding forming system also includes an ironing device 7, which comprises an ironing board 71, an ironing vertical plate 72, an ironing horizontal plate 73, and an ironing cylinder 74. The bottom of the ironing board 71 is suspended above the fabric groove 2. The top of the ironing board 71 is connected to the bottom of the ironing vertical plate 72, the top of the ironing vertical plate 72 is connected to the left end of the ironing horizontal plate 73, and the right end of the ironing horizontal plate 73 is connected to the output end of the ironing cylinder 74. The mounting end of the ironing cylinder 74 extends upward. The ironing cylinder 74 reciprocates horizontally.

[0106] The method of using the placket positioning and folding forming system also includes an ironing step. The ironing step refers to the following: In the fabric piece operation step, after controlling the air intake hole 25 to draw air downward to fold the left wing piece X1 and the right wing piece Y3 inward, the ironing plate 71 is first controlled to press down the left wing piece X1 and iron it. After ironing, the ironing plate 71 is raised. At this time, the left wing piece X1 is folded and attached to the short rectangular fabric piece X to obtain a stack of short fabric pieces X2. Then, the ironing plate 71 is driven to move horizontally to the right, and the right wing piece Y3 is pressed down and ironed. After ironing, the ironing plate 71 is raised. At this time, the right wing piece Y3 is folded and attached to the placket long fabric piece Y to obtain a stack of long fabric pieces Y4. Then, the telescopic pressure plate 61 is driven forward to fold the top of the stack of long fabric pieces Y4 inward.

[0107] Example 7:

[0108] The basic content is the same as in Example 2, except that:

[0109] See Figure 19 The preferred structure of the telescopic compression tablet 61 is as follows: the part near the front edge 611 on the left side 612 of the tablet, the front edge 611 of the tablet, and the oblique edge 615 of the tablet together form an upturned part 618, which is upturned upward relative to the plane where the rear edge 613 and the right side 614 of the tablet coexist.

[0110] Example 8:

[0111] The basic content is the same as in Example 2, except that:

[0112] See Figure 20 The preferred structure of the transverse moving plate 5 is as follows: the transverse moving plate 5 includes a front transverse moving plate 56 and a rear transverse moving plate 57. The inner end of the front transverse moving plate 56 is connected to the inner end of the rear transverse moving plate 57, and the outer end of the front transverse moving plate 56 extends away from the rear transverse moving plate 57. The bottom of the front transverse moving plate 56 has an arc-shaped structure, and the distance between the bottom of the front transverse moving plate 56 and the horizontal plane is smaller the closer it is to the rear transverse moving plate 57.

[0113] The above description is only a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiments. Any equivalent modifications or changes made by those skilled in the art based on the content disclosed in the present invention should be included within the scope of protection set forth in the claims.

Claims

1. A method of using a fly position fold forming system, characterized by: The method of use includes the following steps: Fabric preparation steps: Take out a piece of placket fabric for processing. The placket fabric includes a short rectangular fabric piece (X), a long rectangular fabric piece (Y1), and a triangular fabric piece (Y2). The inner side of the short rectangular fabric piece (X) is connected to the inner side of the long rectangular fabric piece (Y1). The bottom end of the short rectangular fabric piece (X) is flush with the bottom end of the long rectangular fabric piece (Y1). The part of the front end of the long rectangular fabric piece (Y1) that extends beyond the front end of the short rectangular fabric piece (X) is connected to the large diameter end of the triangular fabric piece (Y2) to form the long placket fabric piece (Y). The tip of the triangular fabric piece (Y2) extends away from the bottom end of the long rectangular fabric piece (Y1). No fabric piece operation steps: First drive the inclined moving plate (4) to move in an inclined straight line to the end of the stroke, then drive the left smooth plate (31) and the right smooth plate (32) to move forward together along the top surface of the operating platform (1), the upper spring (34) and the lower spring (35) move forward together until the top of the right smooth plate (32) and the inner side of the inclined moving plate (4) are spliced ​​to form an obtuse angle groove (36), and the lower spring (35) moves forward in the fabric piece deep groove (21) to the end of the stroke of the lower spring (35). At this time, there is an inner end gap (211) between the inner end of the lower spring (35) and the inner end of the fabric piece deep groove (21). Then lift the front end of the upper spring (34) upward so that the distance between the upper spring (34) and the lower spring (35) is expanded. Operating steps with fabric pieces: First, lay the aforementioned placket fabric pieces flat on the slide clamp cavity (33). After laying them flat, the short rectangular fabric piece (X) is located above the deep groove (21) of the fabric piece, and the long fabric piece (Y) of the placket is located above the shallow groove (20) of the fabric piece. The part of the short rectangular fabric piece (X) extending beyond the left side of the deep groove (21) of the fabric piece is the left wing piece (X1), and the part of the long fabric piece (Y) extending beyond the right side of the shallow groove (20) of the fabric piece is the right wing piece (Y3). Then, control the air intake hole (25) to draw air downwards to fold the left wing piece (X1) and the right wing piece (Y3) inwards. The left wing piece (X1) is folded onto the short rectangular fabric piece (X) to obtain a stack of short fabric pieces (X2), and the right wing piece (Y3) is folded onto the long fabric piece (Y) of the placket to obtain a stack of long fabric pieces (Y4). Then, drive the telescopic pressure plate ( 61) Move forward to fold the top of the first stack of long fabric pieces (Y4) inward to obtain the second stack of long fabric pieces (Y5). Then drive the transverse moving plate (5) to move to the end of the stroke to fold the top of the second stack of long fabric pieces (Y5) to the left to obtain the third stack of long fabric pieces (Y6). Then keep the position of the transverse moving plate (5) still and drive the telescopic pressure plate (61) to retract and reset. Then drive the lower spring (35) to move downward to clamp the first stack of short fabric pieces (X2) together with the upper spring (34). Then rotate the upper spring (34) and the lower spring (35) to rotate the first stack of short fabric pieces (X2) to the top of the third stack of long fabric pieces (Y6). At this time, the fabric angle (X3) formed between the first stack of short fabric pieces (X2) and the third stack of long fabric pieces (Y6) is an acute angle, thereby obtaining the positioning folded body (Z).

2. The method of using a fly positioning and folding forming system according to claim 1, wherein: The positioning folding forming system includes an operating platform (1), a fabric groove (2), a spring device (3), an inclined moving plate (4), a transverse moving plate (5), and a rear mold (6). The fabric groove (2) is located inside the operating platform (1). The inclined moving plate (4) and the transverse moving plate (5) move in the corresponding inclined straight line reciprocating motion and transverse straight line reciprocating motion along the top surface of the operating platform (1), respectively. The movement trajectories of the inclined moving plate (4) and the transverse moving plate (5) intersect each other. The rear mold (6) is set higher than the operating platform (1). The spring device (3) is located on the front side of the operating platform (1) and is set directly opposite to the fabric groove (2). The fabric groove (2) includes a deep fabric groove (21) and a shallow fabric groove (20). The shallow fabric groove (20) includes a triangular shallow groove (22) and a rectangular shallow groove (23). The depth of the shallow fabric groove (20) is less than that of the deep fabric groove (21). The right side of the deep fabric groove (21) is connected to the left side of the rectangular shallow groove (23) via a stepped surface (24). The outer end of the deep fabric groove (21) is flush with the outer end of the rectangular shallow groove (23). The part of the inner end of the rectangular shallow groove (23) that extends beyond the inner end of the deep fabric groove (21) is connected to the large diameter end of the triangular shallow groove (22). The pointed end of the triangular shallow groove (22) extends away from the spring device (3). The outer edges of the deep fabric groove (21), the triangular shallow groove (22), and the rectangular shallow groove (23), as well as the top of the stepped surface (24), are all provided with air intake holes (25). The reed device (3) includes a left smooth plate (31) and a right smooth plate (32) of equal height, and a sliding plate cavity (33) between them. The sliding plate cavity (33) is provided with an upper spring (34) and a lower spring (35) corresponding to each other. The height of the lower spring (35) is lower than that of the left smooth plate (31). The lower spring (35) is inserted into the deep groove (21) of the fabric piece. The top of the right smooth plate (32) is spliced ​​with the inner side of the inclined moving plate (4). The rear mold (6) includes a telescopic pressure plate (61) that reciprocates linearly above the operating platform (1) in a direction parallel to the axis of the fabric groove (21).

3. A method of using a fly positioning and folding forming system according to claim 2, wherein: The operating platform (1) has an oblique through groove (41) and a transverse through groove (51) on the right side of the shallow groove (20) of the fabric piece, and the oblique through groove (41) is located between the transverse through groove (51) and the shallow groove (20). The bottom of the inclined moving plate (4) is connected to the top of the inclined slider (42), and the bottom of the inclined slider (42) extends through the inclined through groove (41) to the bottom of the operating platform (1). The bottom of the horizontal moving plate (5) is connected to the top of the horizontal slider (52), and the bottom of the horizontal slider (52) extends through the horizontal through groove (51) to the bottom of the operating platform (1).

4. The method of using a fly positioning and folding forming system according to claim 3, wherein: The side of the inclined slider (42) near its bottom surface is connected to one end of the inclined middle slider (43), and the other end of the inclined middle slider (43) is connected to the output end of the inclined cylinder (45) via the inclined drive rod (44). The bottom of the horizontal slider (52) is connected to the inner end of the horizontal middle slider (53), and the middle part of the horizontal middle slider (53) is connected to the output end of the horizontal cylinder (55) via the horizontal drive rod (54).

5. The method of using the placket positioning and folding forming system according to claim 2, 3 or 4, characterized in that: The fact that the outer edges of the deep groove (21), the triangular shallow groove (22), and the rectangular shallow groove (23) are all provided with air intake holes (25) means that: on the top surface of the operating platform (1), near the left side of the deep groove (21), near the inner end of the deep groove (21), along the two sides of the triangular shallow groove (22), and along the right side of the rectangular shallow groove (23) are all provided with multiple air intake holes (25).

6. The method of using the placket positioning and folding forming system according to claim 2, 3 or 4, characterized in that: The width of the slide clamp cavity (33) is greater than the width of the cloth groove (2), and the left smooth plate (31) and the right smooth plate (32) both reciprocate linearly along the top surface of the operating platform (1). The movement trajectory of the left smooth plate (31) is located outside the air intake hole (25) opened on the deep groove (21) of the fabric, and the movement trajectory of the right smooth plate (32) is located outside the air intake hole (25) opened on the outer edge of the rectangular shallow groove (23).

7. The method of using the placket positioning and folding forming system according to claim 2, 3 or 4, characterized in that: The top of the right smooth plate (32) and the inner side of the inclined moving plate (4) are spliced ​​together, which means that the top of the right smooth plate (32) is a right oblique angle (321), and the oblique side of the right oblique angle (321) and the inner side of the inclined moving plate (4) are spliced ​​together to form an obtuse angle clamping groove (36). The obtuse angle clamping groove (36) is set around the right side of the triangular shallow groove (22) and the rectangular shallow groove (23).

8. The method of using the placket positioning and folding forming system according to claim 7, characterized in that: The minimum distance between the obtuse angled groove (36) and the left smooth plate (31) is greater than the maximum width of the telescopic pressure plate (61); The movement trajectory of the telescopic pressure plate (61) covers the air intake hole (25) provided on the left side of the fabric deep groove (21), and the part of the fabric deep groove (21) near the left smooth plate (31).

9. The method of using the placket positioning and folding forming system according to claim 8, characterized in that: The rear mold (6) also includes a pressing slider (62), a telescopic cylinder (63) and a drive block (64). The telescopic pressing (61) includes a front edge (611), a left edge (612), a rear edge (613), a right edge (614), and a helical edge (615) connected in sequence. The included angles (616) and (617) formed between the helical edge (615) and the front edge (611) and the right edge (614) are both obtuse angles. The length of the front side (611) of the tablet is less than the length of the rear side (613), the length of the left side (612) of the tablet is greater than the length of the right side (614), the right side (614) of the tablet reciprocates along the tableting groove (621) opened on the side of the tableting slider (62), the top of the tableting slider (62) is connected to the bottom of the left end of the driving block (64) via the middle support block (65), and the right end of the driving block (64) is connected to the bottom end of the driving rod (641); The top of the telescopic pressure plate (61) is connected to the front end of the cylinder block (631), the rear end of the cylinder block (631) extends to the rear of the telescopic pressure plate (61), the side of the rear end of the cylinder block (631) is connected to the output end of the telescopic cylinder (63), and the fixed end of the telescopic cylinder (63) is connected to the side of the pressure plate slider (62) via the fixing block (632).

10. A method of using a placket positioning and folding forming system according to claim 2, 3 or 4, characterized in that: The upper spring (34) and lower spring (35) have the same structure, both including a long plate (351), a short plate (352) and a corner plate (353). The tip of the corner plate (353) is directly opposite to the deep groove (21) of the fabric. The farthest movement position of the tip of the corner plate (353) in the deep groove (21) of the fabric forms a groove buffer cavity (354) between the inner end of the deep groove (21) of the fabric. The waist of the corner plate (353) is aligned with the inner side of the short plate (352). The outer side of the short plate (352) is perpendicularly connected to the inner side of the long plate (351). The outer side of the long plate (351) extends outward after passing over the deep groove (21) of the fabric. The width of the short plate (352) is smaller than the width of the long plate (351).

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