A processing template, processing device and processing method for a waist surface horse king loop

Abstract

The present application relates to the technical field of clothing manufacturing auxiliary tool, and particularly relates to a waist surface horse king loop processing template, a processing device and a processing method, the processing template comprises a first layer template and a second layer template, the first layer template is used for being pressed on the waist surface cloth, the first layer template is provided with a first avoiding hole for avoiding the horse king loop; the second layer template covers above the first layer template, the second layer template is provided with a second avoiding hole for avoiding the end of the horse king loop, the second layer template has a first crease and a second crease, the folding directions of the first crease and the second crease are opposite, the horse king loop is limited on both sides of the third layer template, so that when the second layer template is folded along the first crease or the second crease, the horse king loop is followed to be turned over, the processing template and the device of the present application position the waist surface cloth and the horse king loop, and in the processing process, the overall turning over of the horse king loop on the same waist surface cloth can be realized by only manually turning over and folding the corresponding template, the efficiency is high, and the product consistency is good.

Description

Technical Field

[0001] This invention relates to the field of auxiliary tools for garment manufacturing, and in particular to a template, processing device and processing method for waistbands. Background Technology

[0002] In the existing technology, the waistband of the horse king has a first sewing thread sewn on the front of the first end of the horse king, a second sewing thread sewn on the back of the first end of the horse king, and a third sewing thread sewn on the front of the second end of the horse king. When sewing the first and second sewing threads, the horse king has to be turned over manually one by one, which is inefficient. Furthermore, manual turning cannot guarantee the turning angle of each horse king, resulting in inconsistent appearance of the horse king on the same waistband, which affects the overall appearance. Summary of the Invention

[0003] To address the problem of low efficiency in the existing technology of manually flipping the horse king loop during the nailing process, this invention provides a processing template, processing device, and processing method for waist-side horse king loops that improves nailing efficiency.

[0004] The technical solution adopted by this invention to solve its technical problem is:

[0005] A processing template for a waistband of a horse-head brooch includes a workbench and a processing template disposed on the workbench. The processing template is used to position the waistband fabric and the horse-head brooch, wherein the horse-head brooch has a first sewing thread sewn to the front of a first end, a second sewing thread sewn to the back of the first end, and a third sewing thread sewn to the front of a second end; the processing template includes:

[0006] The first layer template is used to press the waist fabric, and the first layer template is provided with a first avoidance hole for avoiding the horse king loop;

[0007] The second template covers the first template. The second template has a second clearance hole for avoiding the end of the horse king loop. The second template has a first crease and a second crease. The first crease and the second crease are folded in opposite directions. The horse king loop is limited on both sides of the third template, so that when the second template is folded along the first crease or the second crease, the horse king loop flips accordingly.

[0008] Furthermore, it also includes a third layer template, which is set above the second layer template. The third layer template includes a third pressure plate and a fourth pressure plate that are respectively pressed on the first and second ends of the horse king loop. The third pressure plate has a third clearance hole that avoids the end of the horse king loop, and the fourth pressure plate has a fourth clearance hole that avoids the end of the horse king loop.

[0009] Furthermore, the fourth pressure plate covering the second layer template avoids the first and second creases, so that when the second layer template is folded along the first or second crease, the third pressure plate follows and flips to press down the horse king loop.

[0010] Furthermore, one end of the fourth pressure plate is positioned on the second layer template, and a magnetic attraction device is provided between the fourth pressure plate and the second layer template. This magnetic attraction device includes a first magnetic element fixed to the second layer template and a second magnetic element fixed to the fourth pressure plate. This ensures that the fourth pressure plate remains pressed against the frame, guaranteeing positional accuracy. Simultaneously, when flipping the second layer template, even without simultaneously pinching the second layer template and the fourth pressure plate, the fourth pressure plate can still flip synchronously with the second layer template under the magnetic attraction, facilitating operation and preventing positioning deviations caused by errors during manual flipping.

[0011] Furthermore, the first-layer template includes a first pressure plate and a second pressure plate, which press on both sides of the waistband fabric, respectively. The first-layer template has a split design, which facilitates processing. In addition, it can also be used to calibrate the positioning of the waistband fabric with two types of fabric, for example, the junction of the first and second pressure plates coincides with the junction of the two types of waistband fabric.

[0012] Furthermore, one end of the second-layer template is positioned on the worktable, allowing the entire second-layer template to rotate on the worktable around the positioned end. The second-layer template is hinged to the worktable for easy rotation and operation. The other end can be flipped and folded.

[0013] Furthermore, the second clearance hole of the second layer template is an elongated through hole, the length of which is adapted to the length of the horse loop, and a limiting hole in the middle of the elongated through hole that is adapted to the width of the horse loop. A mounting plate is fixed to the lower side of the second layer template, and double-sided tape is pasted on the side of the mounting plate facing the horse loop to limit the movement of the horse loop.

[0014] Furthermore, the waist fabric is also provided with waist-fitting auxiliary sewing lines, and the first layer template, the second layer template and the third layer template are respectively provided with a first auxiliary line avoidance hole, a second auxiliary line avoidance hole and a third auxiliary line avoidance hole to avoid the waist-fitting auxiliary sewing lines.

[0015] A waist-face horse king loop processing device includes a waist-face horse king loop processing template as described above, and further includes a sewing device and a driving device, wherein the driving device is connected to the worktable and is used to drive the worktable to move.

[0016] A processing method based on the above-mentioned waist-face horse king loop processing device includes the following steps:

[0017] S1: Place the waist fabric in the set position on the workbench and cover the waist fabric with the first layer template;

[0018] S2: Place the second layer template on top of the first layer template, place the horse king loop at the second clearance hole, and then press the third and fourth pressure plates of the third layer template onto the horse king loop.

[0019] S3: The sewing device sequentially stitches each waist-fitting auxiliary sewing thread;

[0020] S4: The sewing device sequentially stitches the first thread of each horse king's loop;

[0021] S5: Lift the third pressure plate, and the second layer template, together with the fourth pressure plate and the horse king loop, is folded for the first time along the first crease. The sewing device then stitches the second sewing thread of each horse king loop in sequence.

[0022] S6: Fold the second layer template together with the fourth pressure plate and the horse king loop along the second fold line for the second time. The direction of the second fold is opposite to that of the first fold. The sewing device then stitches the third sewing thread of each horse king loop in sequence.

[0023] Beneficial effects:

[0024] (1) The present invention provides a processing template and device for nailing the horse king loop and the waist auxiliary sewing thread, which positions the waist fabric and the horse king loop. During the processing, the horse king loop on the same waist fabric can be flipped and folded manually by hand. The efficiency is high and the product consistency is good.

[0025] (2) The present invention achieves the limiting of the waist fabric through the first layer template, and achieves the positioning and flipping clamping of the horse king loop through the second layer template and the third layer template set on the second layer template, thus ensuring the overall positioning accuracy;

[0026] (3) A magnetic attraction device is provided between the fourth pressure plate of the third layer template and the second layer template. The magnetic attraction device includes a first magnetic attraction component fixed on the second layer template and a second magnetic attraction component fixed on the fourth pressure plate. This ensures that the fourth pressure plate is always pressed on the horse king loop, ensuring positional accuracy. At the same time, when flipping the second layer template, without pinching the second layer template and the fourth pressure plate at the same time, only flipping the second layer template will allow the fourth pressure plate to flip synchronously with the second layer template under the magnetic attraction, which is convenient for operation and prevents positioning deviation caused by errors during manual flipping.

[0027] (4) The present invention sets a first crease and a second crease on the second limiting template. When the second layer template is flipped relative to the first crease, the second sewing thread can be sewn on. The second crease realizes a second fold. When the second layer template is flipped relative to the second crease, the horse king loop bends exactly the distance between the first crease and the second crease. In this way, the bending stroke of the horse king loop is reserved before sewing on the third sewing thread. The third sewing thread can be sewn on at the set position, which is convenient for sewing and design. Attached Figure Description

[0028] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 A schematic diagram of the stitching structure between the waistband fabric and the horse-head loops;

[0030] Figure 2 for Figure 1 A magnified view of a section at point A in the middle;

[0031] Figure 3 This is a structural diagram of the first layer template;

[0032] Figure 4 This is a structural diagram of the second-layer template;

[0033] Figure 5 This is a schematic diagram showing the installation of the mounting plate and double-sided adhesive.

[0034] Figure 6 A schematic diagram showing the third layer template being lifted off the second layer template.

[0035] Figure 7 This is a structural diagram showing the third layer template placed on top of the second layer template.

[0036] Figure 8 This is a schematic diagram showing the arrangement of the waistband fabric on the workbench;

[0037] Figure 9 This is a schematic diagram of the first layer of template covering the waist fabric.

[0038] Figure 10 A schematic diagram illustrating the working principle of the auxiliary sewing thread and the first sewing thread for processing waistbands;

[0039] Figure 11 A schematic diagram illustrating the working principle of processing the second sewing thread;

[0040] Figure 12This is a schematic diagram illustrating the processing principle for the third sewing thread.

[0041] 10. Waistband fabric; 101. Waistband auxiliary sewing thread; 20. Horse king loop; 201. First sewing thread; 202. Second sewing thread; 203. Third sewing thread; 1. Workbench; 2. First layer template; 21. First pressure plate; 22. Second pressure plate; 221. First clearance hole; 23. First auxiliary line clearance hole; 3. Second layer template; 31. Second clearance hole; 311. Limiting hole; 32. First crease; 33. Second crease; 34. First magnetic attachment; 35. Second auxiliary line clearance hole; 36. Mounting plate; 37. Double-sided tape; 4. Third layer template; 41. Third pressure plate; 411. Third clearance hole; 42. Fourth pressure plate; 421. Fourth clearance hole; 422. Second magnetic attachment; 43. Third auxiliary line clearance hole. Detailed Implementation

[0042] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present invention or its application or use. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0043] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0044] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of the invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following figures denote similar items; therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0045] In the description of this invention, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is generally based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this invention and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this invention; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0046] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0047] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore should not be construed as limiting the scope of protection of this invention.

[0048] This invention provides a processing template for a waistband 20, including a workbench 1 and a processing template disposed on the workbench 1. The processing template is used to position the waistband fabric 10 and the waistband 20, wherein, as shown... Figure 1 and Figure 2 The horse-head loop 20 has a first sewing thread 201 sewn on the front of the first end, a second sewing thread 202 sewn on the back of the first end, and a third sewing thread 203 sewn on the front of the second end.

[0049] The processing template includes a first-layer template 2, a second-layer template 3, and a third-layer template 4.

[0050] like Figure 3 The first layer template 2 is used to press the waist fabric 10. The first layer template 2 is provided with a first clearance hole 221 for avoiding the horse belt loop 20. The first layer template 2 includes a first pressure plate 21 and a second pressure plate 22, which press on both sides of the waist fabric 10 respectively. In this invention, the first pressure plate 21 and the second pressure plate 22 are hinged on the worktable 1, wherein the first pressure plate 21 flips along O1 and the second pressure plate 22 flips along O2.

[0051] like Figure 4 The second template 3 covers the first template 2. The second template 3 has a second clearance hole 31 for avoiding the end of the horse loop 20. The second template 3 has a first crease 32 and a second crease 33, with opposite folding directions. The horse loop 20 is limited on both sides of the third template 4, so that when the second template 3 is folded along the first crease 32 or the second crease 33, the horse loop 20 flips accordingly. The second template can be movably mounted on the workbench 1. In this invention, one end of the second template 3 is hinged to the workbench 1, along... Figure 4 The O3 flip causes the second layer template 3 to rotate on the workbench 1 around the limiting end. The second crease 33 achieves a secondary fold. Thus, when the second layer template 3 is flipped relative to the second crease 33, the kingpin loop 20 bends exactly the distance between the first crease 32 and the second crease 33. This limits the bending space of the kingpin loop 20 before sewing the third sewing thread 203, making sewing and design easier.

[0052] The second clearance hole 31 of the second layer template 3 is an elongated through hole. The length of the elongated through hole is adapted to the length of the kingpin loop 20. The elongated through hole has a limiting hole 311 in the middle that is adapted to the width of the kingpin loop 20. Figure 5A mounting plate 36 is fixed to the lower side of the second-layer template 3. Double-sided adhesive tape 37 is pasted on the side of the mounting plate 36 facing the kingpin loop 20 to limit the kingpin loop 20. Of course, other limiting structures can also be connected across the second clearance hole 31. The mounting plate 36 is preferably, but not limited to, an insulating board, which has a high density and is not easily bent. In addition, limiting structures such as limiting pins that do not affect the nailing of the kingpin loop 20 can be set at both ends of the second clearance hole 31 to ensure the positioning accuracy of the kingpin loop 20.

[0053] like Figure 6 and Figure 7 The third template 4 is positioned above the second template 3. The third template 4 includes a third pressure plate 41 and a fourth pressure plate 42, which respectively press against the first and second ends of the horse-head loop 20. The third pressure plate 41 has a third clearance hole 411 to avoid the ends of the horse-head loop 20, and the fourth pressure plate 42 has a fourth clearance hole 421 to avoid the ends of the horse-head loop 20. One end of both the third pressure plate 41 and the fourth pressure plate 42 is positioned on the second template 3. Figure 6 and Figure 7 The third pressure plate 41 flips along O4, and the fourth pressure plate 42 flips along O5.

[0054] The fourth pressure plate 42, covering the second layer template 3, avoids the first crease 32 and the second crease 33, so that when the second layer template 3 is folded along the first crease 32 or the second crease 33, the third pressure plate 41 follows suit and presses down on the horse-head loop 20. One end of the fourth pressure plate 42 is limited to the second layer template 3, and a magnetic attraction device is provided between the fourth pressure plate 42 and the second layer template 3. Figure 6 The magnetic attraction device includes a first magnetic element 34 fixed on the second template 3 and a second magnetic element 422 fixed on the fourth pressure plate 42. When the fourth pressure plate 42 covers the second template 3, the first magnetic element 34 and the second magnetic element 422 are attracted together. By setting up the magnetic attraction device, the fourth pressure plate 42 can keep pressing down on the horse king loop 20, preventing the horse king loop 20 from shifting during the flipping process with the second template 3, thus ensuring the processing quality of the product.

[0055] The waistband fabric 10 is also equipped with a waist-fitting auxiliary sewing line 101. The first template 2, the second template 3, and the third template 4 each have a first auxiliary line avoidance hole 23, a second auxiliary line avoidance hole 35, and a third auxiliary line avoidance hole 43 to avoid the waist-fitting auxiliary sewing line 101. The waist-fitting auxiliary sewing line 101 in the attached drawing is only an example and can be set and processed according to the actual situation. In addition, each avoidance hole is also for illustration purposes, and the actual size and shape are set according to product requirements.

[0056] In this invention, the first template 2, the second template 3, and the third template 4 can all be made of transparent or semi-permeable film.

[0057] This invention also provides a waist-face horse king loop processing device, including the aforementioned waist-face horse king loop processing template, as well as a sewing device and a driving device. The driving device is connected to a worktable 1 and is used to drive the worktable 1 to move. The sewing device of this invention can remain stationary, while the driving device drives the worktable 1 to move. The driving device may include a clamping assembly for clamping or engaging the worktable. The clamping assembly is connected to an XY linear module to achieve horizontal movement of the worktable. This invention is not limited to the aforementioned driving structure; other driving methods are also possible.

[0058] Each workbench 1 can process one or more sets of waist fabric 10 and horse belt loops 20. In this invention, two sets of waist fabric 10 and horse belt loops 20 can be processed at a time, such as... Figures 8-12 The left processing area handles products from the right side, and the right processing area handles products from the left side. This allows the operator to flip the products on the other side while the sewing device is processing one side, eliminating the need for the sewing device to wait and significantly increasing processing efficiency. The left and right sides are basically symmetrical, but in actual processing, they can be arranged more flexibly according to product style and other requirements.

[0059] This invention also provides a processing method based on the above-mentioned waist-face horse king loop processing device, which is described below in conjunction with... Figures 8-12 To explain, among them Figures 9-12 Workbench 1 is omitted, and the following steps are included:

[0060] S1: As Figure 8 Place the waist fabric 10 at the designated position on the workbench 1, and cover the waist fabric 10 with the first layer template 2, as follows. Figure 9 ;

[0061] S2: As Figure 10 Place the second layer template 3 on top of the first layer template 2, and place the king loop 20 at the second clearance hole 31. Double-sided tape 37 can help limit the king loop 20. Then press the third pressure plate 41 and the fourth pressure plate 42 of the third layer template 4 onto the king loop 20.

[0062] S3: As Figure 10 The sewing device sequentially stitches each waist-fitting auxiliary sewing thread 101;

[0063] S4: As Figure 10 The sewing device sequentially stitches the first sewing thread 201 of each horse king loop 20;

[0064] S5: As Figure 11 The third pressure plate 41 is lifted, and the second layer template 3, together with the fourth pressure plate 42 and the horse king loop 20, is folded upward along the first crease 32 for the first time. The sewing device then stitches the second sewing thread 202 of each horse king loop 20 in sequence.

[0065] S6: As Figure 12The second template 3, together with the fourth pressure plate 42 and the horse king loop 20, is folded a second time along the second fold 33. The direction of the second fold is opposite to that of the first fold. The sewing device then stitches the third sewing thread 203 of each horse king loop 20 in sequence. Finally, the finished fabric is removed.

[0066] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A template for processing waistbands and belt loops, characterized in that: Includes a workbench (1) and a processing template set on the workbench (1), the processing template being used to position the waistband fabric (10) and the horse belt loop (20), wherein the horse belt loop (20) has a first sewing thread (201) sewn on the front of the first end, a second sewing thread (202) sewn on the back of the first end, and a third sewing thread (203) sewn on the front of the second end; the processing template includes: The first layer template (2) is used to press the waist fabric (10), and the first layer template (2) is provided with a first avoidance hole (221) for avoiding the horse king loop (20). The second layer template (3) covers the first layer template (2). The second layer template (3) is provided with a second clearance hole (31) for avoiding the end of the horse king loop (20). The second layer template (3) has a first crease (32) and a second crease (33). The first crease (32) and the second crease (33) are folded in opposite directions. The horse king loop (20) is limited on both sides of the third layer template (4). When the second layer template (3) is folded along the first crease (32) or the second crease (33), the horse king loop (20) is flipped accordingly. The first layer template (2) includes a first pressure plate (21) and a second pressure plate (22), which are respectively pressed on both sides of the waist fabric (10).

2. The waist-face horse king loop processing template according to claim 1, characterized in that: It also includes a third layer template (4), which is set above the second layer template (3). The third layer template (4) includes a third pressure plate (41) and a fourth pressure plate (42) that are pressed on the first and second ends of the horse king loop (20), respectively. The third pressure plate (41) has a third clearance hole (411) that avoids the end of the horse king loop (20), and the fourth pressure plate (42) has a fourth clearance hole (421) that avoids the end of the horse king loop (20).

3. The waist-side horse king loop processing template according to claim 2, characterized in that: The fourth pressure plate (42) covering the second layer template (3) avoids the first crease (32) and the second crease (33), so that when the second layer template (3) is folded along the first crease (32) or the second crease (33), the third pressure plate (41) follows and flips and presses down the horse king loop (20).

4. The waist-side horse king loop processing template according to claim 3, characterized in that: The fourth pressure plate (42) is positioned on the second template (3) at one end. A magnetic suction device is provided between the fourth pressure plate (42) and the second template (3). The magnetic suction device includes a first magnetic suction component (34) fixed on the second template (3) and a second magnetic suction component (422) fixed on the fourth pressure plate (42).

5. The waist-face horse king loop processing template according to claim 1, characterized in that: The second layer template (3) is limited at one end on the workbench (1), so that the second layer template (3) is rotated on the workbench (1) with the limiting end as the center.

6. The waist-face horse king loop processing template according to claim 1, characterized in that: The second clearance hole (31) of the second layer template (3) is an elongated through hole. The length of the elongated through hole is adapted to the length of the horse king loop (20). The elongated through hole has a limiting hole (311) in the middle that is adapted to the width of the horse king loop (20). The lower side of the second layer template (3) is fixed with an installation plate (36). Double-sided tape (37) is pasted on the side of the installation plate (36) facing the horse king loop (20) to limit the horse king loop (20).

7. A processing template for the waistband of a horse-head belt according to claim 2, characterized in that: The waist fabric (10) is also provided with waist-mounting auxiliary sewing line (101), and the first layer template (2), the second layer template (3) and the third layer template (4) are respectively provided with a first auxiliary line avoidance hole (23), a second auxiliary line avoidance hole (35) and a third auxiliary line avoidance hole (43) to avoid the waist-mounting auxiliary sewing line (101).

8. A processing device for waist-face horse king loops, comprising the waist-face horse king loop processing template as described in any one of claims 3 or 4, further comprising: The sewing device and the drive device are connected to the worktable (1) and are used to drive the worktable (1) to move.

9. A processing method based on the waist-face horse king loop processing device according to claim 8, characterized in that: Includes the following steps: S1: Place the waist fabric (10) in the set position on the workbench (1) and cover the waist fabric (10) with the first layer template (2); S2: Place the second layer template (3) over the first layer template (2), place the horse king loop (20) at the second clearance hole (31), and then press the third pressure plate (41) and the fourth pressure plate (42) of the third layer template (4) onto the horse king loop (20); S3: The sewing device sequentially stitches each waist-fitting auxiliary sewing thread (101). S4: The sewing device sequentially stitches the first sewing thread (201) of each horse king loop (20); S5: Lift the third pressure plate (41), and fold the second layer template (3) together with the fourth pressure plate (42) and the horse king loop (20) along the first crease (32) for the first time. The sewing device then stitches the second sewing thread (202) of each horse king loop (20) in sequence. S6: The second layer template (3), together with the fourth pressure plate (42) and the horse king loop (20), is folded for the second time along the second fold (33). The direction of the second fold is opposite to that of the first fold. The sewing device then stitches the third sewing thread (203) of each horse king loop (20) in sequence.

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