Safety shoe toe fabric assembly sewing template tooling and sewing method

Abstract

The present invention discloses a sewing template tooling and sewing method for the toe fabric component of a safety shoe, and relates to the field of shoemaking. The template tooling comprises a base plate component, a first pressing plate and a second pressing plate; the middle part of the base plate component is provided with a first processing station and a second processing station; the first processing station comprises a first positioning groove, and the first positioning groove has two rows of needle seams, and the two rows of needle seams are between the positioning area of ​​the decorative piece; the second processing station comprises a second positioning groove, and the middle part of the second positioning groove has a plurality of rows of needle holes; the first pressing plate and the second pressing plate cooperate with each other to cover the first positioning groove and the second positioning groove, and the adjacent edges of the two are located in the middle part of the first positioning groove and the second positioning groove; the positions on the first pressing plate and the second pressing plate facing the rows of needle seams and the rows of needle holes are hollowed out. The sewing method is to sew with the help of this template tooling. The present invention can reduce the manual participation in the sewing process, is simple and convenient to operate, and greatly improves the sewing efficiency and finished product consistency of the toe fabric component.

Description

Technical Field

[0001] The invention relates to the field of shoemaking, in particular to a tooling for sewing a template for a toe fabric component of a safety shoe and a sewing method. Background Art

[0002] Safety shoes are a general term for safety shoes and protective shoes. They generally refer to shoes worn in different workplaces that protect the feet and legs from foreseeable injuries. There are many types of safety shoes, which are mainly divided into six categories: electrical insulation, anti-static, acid and alkali resistant, puncture-resistant, toe protection and general protective shoes. They are widely used in machinery, metallurgy, construction, chemical industry, pharmaceuticals, mining, oil fields, power and other industries. With the increasing changes in my country's footwear market, the categories of safety shoes are more diversified and high-end. Therefore, in the safety shoe production industry, the demand for new tooling, new equipment and new processes is getting higher and higher.

[0003] A safety shoe designed by our company, the toe of which includes Figure 1 The upper 11 and the toe cap 12 are two pieces of fabric. During production, the upper 11 and the toe cap 12 need to be sewn together to form a Figure 1 The toe fabric assembly 1 shown in FIG. At present, the stitching of the toe fabric assembly is completely dependent on manual positioning, splicing and stitching, which has low production efficiency and poor consistency of finished products, seriously affecting production costs and the quality of finished safety shoes. Therefore, it is urgent to design a new template tooling and improve the production process.

[0004] After searching, there is a multi-component quick stitching template for footwear (authorization announcement number: CN210796870U, authorization announcement date: 2020.06.19), which discloses that the template includes a bottom plate, a cover plate and a feed plate, the bottom plate is provided with a bottom plate stitching track groove, the feed plate includes a bottom material plate, a middle material plate and a pressure plate material plate, the bottom material plate is provided with a bottom material groove, the middle material plate is provided with a splicing material groove, and the pressure plate material plate is provided with an upper material groove; the cover plate is provided with a cover plate stitching track groove; the quick splicing template is from bottom to top, the bottom plate, the bottom material plate, the middle material plate, the pressure plate material plate, and the cover plate, the material groove of the feed plate can expose the bottom plate stitching track groove, and the bottom plate stitching track line corresponds to the cover plate stitching track line. This template cannot be used in the sewing of the above-mentioned toe fabric assembly 1. Summary of the invention

[0005] Technical problem to be solved by the invention

[0006] In view of the above-mentioned problems existing in the prior art, the present invention provides a safety shoe toe fabric assembly sewing template tooling and sewing method, which can reduce the manual participation in the needle sewing process, is simple and convenient to operate, greatly improves the sewing efficiency of the heel fabric assembly and the consistency of the finished product, reduces the production cost of safety shoes, and improves the quality of the finished safety shoes.

[0007] Technical Solution

[0008] To solve the above problems, the technical solution provided by the present invention is:

[0009] A tool for sewing a template for a toe fabric assembly of a safety shoe, comprising a base assembly, and a first pressing plate and a second pressing plate which are covered on the base assembly and can be opened;

[0010] The bottom plate assembly has a first processing station and a second processing station in the middle;

[0011] The first processing station comprises a first positioning groove adapted to the shape of the toe fabric component, the first positioning groove has two left-right symmetrical rows of stitches, and a decorative piece positioning area is between the two rows of stitches;

[0012] The second processing station comprises a second positioning groove having the same shape as the first positioning groove, and the middle part of the second positioning groove has a plurality of rows of needle holes corresponding to the decorative holes on the toe fabric component one by one;

[0013] The first pressing plate and the second pressing plate cooperate with each other to cover the first positioning groove and the second positioning groove, and the adjacent edges of the first pressing plate and the second pressing plate are located in the middle of the first positioning groove and the second positioning groove; the positions on the first pressing plate and the second pressing plate facing the needle seam and the needle hole are hollow.

[0014] Furthermore, the first pressing plate and the second pressing plate cooperate with each other front and back, and a decorative plate pressing plate adapted to the shape of the toe decorative plate extends from the edge of the first pressing plate adjacent to the second pressing plate, and a recessed groove for accommodating the decorative plate pressing plate is provided on the edge of the second pressing plate adjacent to the first pressing plate.

[0015] Furthermore, both ends of the needle seam extend beyond the edge of the first positioning groove to form a needle starting point.

[0016] Furthermore, a locking assembly for connecting the first pressing plate and the second pressing plate is provided between the first pressing plate and the second pressing plate.

[0017] Further, the lock assembly includes a bolt body, a first connecting member and a second connecting member;

[0018] One end of the bolt body is fixed to one of the first pressing plate and the second pressing plate, and the second connecting member is fixed to the other one; the other end of the bolt body is a free end, the free end extends to the second connecting member, and the first connecting member is fixed to the free end;

[0019] The first connecting member and the second connecting member are connected to each other by snap-fit ​​connection or by magnetic attraction.

[0020] Furthermore, the edges of the first pressing plate and the second pressing plate facing away from each other are flexibly connected to the bottom plate assembly so as to be able to be flipped open in opposite directions.

[0021] Furthermore, the flexible connection is through a flexible tape or a hinge connection.

[0022] Furthermore, one side of the base plate assembly has a positioning opening and a positioning hole for installation and positioning.

[0023] Furthermore, the bottom plate assembly, the first pressing plate and the second pressing plate are all made of transparent materials.

[0024] A method for sewing a toe fabric component of a safety shoe, using the above-mentioned toe fabric component sewing template tooling to sew, the steps comprising:

[0025] Ⅰ. Open the first pressing plate and the second pressing plate, stack the upper and the toe trim piece in the first positioning groove in sequence, and use the edge of the first positioning groove to position the upper and the toe trim piece, and then cover the first pressing plate and the second pressing plate in sequence;

[0026] II. Sewing the left and right edges of the toe cap trim piece and the upper together along the two stitches in sequence to form a semi-finished product of the toe cap fabric assembly;

[0027] III. Open the first pressing plate and the second pressing plate, transfer the semi-finished product into the second positioning groove, and then cover the first pressing plate and the second pressing plate;

[0028] IV. Sequence the needles in the corresponding needle holes to sew the edges of the decorative holes and the shoe upper together to form a finished product of the toe fabric assembly.

[0029] Beneficial Effects

[0030] Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects:

[0031] (1) The present invention provides a safety shoe toe fabric assembly sewing template tooling, which uses the positioning groove to position the toe fabric assembly, ensures the accurate positioning and combination between the upper and the toe trim, and helps to quickly position and splice each fabric. The toe fabric assembly is pressed by the first pressing plate and the second pressing plate, and the needle stitching and needle hole stitching are coordinated to reduce the manual participation in the needle sewing process, and the operation is simple and convenient; therefore, the sewing efficiency of the toe fabric assembly is greatly improved, and the consistency of the finished product is high;

[0032] (2) The present invention provides a safety shoe toe fabric assembly sewing template tooling, which can assist in completing the sewing of the left and right edges of the toe decorative piece and the decorative hole, thereby reducing the steps of replacing the template tooling during the sewing process and further improving production efficiency;

[0033] (3) The present invention provides a safety shoe toe fabric assembly sewing template tooling, which can completely press the toe trim by providing a trim pressing plate whose shape matches the toe trim, so as to ensure that the toe trim is spread flat and prevent the toe trim from warping during the sewing process;

[0034] (4) The present invention provides a safety shoe toe fabric assembly sewing template tooling, which is used to start the sewing process by setting a needle starting hole, thereby preventing the sewing needle from being stuck in the plate due to the needle starting position being too close to the plate at the end of the needle seam, thereby reducing the occurrence of needle breakage during sewing.

[0035] (5) The present invention provides a safety shoe toe fabric assembly sewing template tool, which can prevent the upper or toe trim from shifting during the sewing process by arranging a locking assembly between the first pressing plate and the second pressing plate;

[0036] (6) The present invention provides a safety shoe toe fabric assembly sewing template tooling. After the locking assembly is set, the toe fabric assembly can be pre-installed into the template tooling offline, and then moved to the sewing machine workbench for sewing; that is, the pre-installation and sewing can be divided into two processes, which are completed by two groups of workers respectively, so as to improve production efficiency;

[0037] (7) The present invention provides a safety shoe toe fabric assembly sewing template tooling, which connects the first pressing plate and the second pressing plate with the bottom plate assembly into a whole, and does not require temporary assembly; and the first pressing plate and the second pressing plate are flipped open to both sides respectively, which is suitable for the staff to operate with both hands, and is more in line with the staff's usage habits;

[0038] (8) The present invention provides a safety shoe toe fabric assembly sewing template tooling, which can improve the positioning and installation speed of the template tooling by setting a positioning port and a positioning hole to cooperate with the template clamping device on the sewing machine workbench, thereby improving production efficiency;

[0039] (9) The present invention provides a safety shoe toe fabric assembly sewing template tooling, which is made of transparent material, so that the staff can check whether the placement of each fabric is accurate through the pressing plate, thereby facilitating timely adjustment of the offset fabric and improving the sewing quality of the toe fabric assembly;

[0040] (10) The present invention provides a method for sewing a toe fabric assembly of a safety shoe. With the aid of the template tooling, the left and right edges and the decorative holes in the middle of the toe trim are sewn in sequence. The processing technology is simple and the consistency of the finished product is high, which reduces the production cost of the safety shoe and improves the quality of the finished safety shoe. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1A schematic diagram of the sewing structure of the pre-sewn toe cap of a safety shoe;

[0042] Figure 2 It is a schematic diagram of the structure of the template tooling of the present invention in the unfolded state;

[0043] Figure 3 It is a structural schematic diagram of the first station in the template tooling of the present invention;

[0044] Figure 4 It is a schematic diagram of the structure of the template tooling of the present invention in the closed state;

[0045] Figure 5 It is a structural schematic diagram of the lock assembly on the template tooling of the present invention;

[0046] In the accompanying drawings: 1, toe fabric component; 11, upper; 12, toe trim; 121, decorative hole;

[0047] 2. Bottom plate assembly; 21. First positioning groove; 211. Needle seam; 2110. Needle starting hole; 212. Decorative piece positioning area; 22. Second positioning groove; 221. Needle hole; 23. Positioning hole; 24. Positioning hole;

[0048] 3. First pressing plate; 31. Decorative plate pressing plate;

[0049] 4. Second pressing plate; 41. Yield slot;

[0050] 5. Locking assembly; 51. Bolt body; 52. First connecting member; 53. Second connecting member. DETAILED DESCRIPTION

[0051] The specific implementation methods of the present invention are further explained in detail below by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the concept and technical solution of the present invention and facilitating its implementation.

[0052] Example 1

[0053] This embodiment provides a safety shoe toe fabric assembly sewing template tooling, which is specially used for sewing such as Figure 1 The toe fabric assembly 1 shown in the figure comprises a vamp 11 and a toe trim 12, and the toe trim 12 has a plurality of decorative holes 121 arranged along a straight line. Figure 2 and Figure 3 As shown, this template tooling is specifically described.

[0054] The template tooling includes a base plate assembly 2, and a first pressing plate 3 and a second pressing plate 4 covering the base plate assembly 2 and capable of being opened. The base plate assembly 2 has a first processing station and a second processing station in the middle. The first processing station includes a first positioning groove 21 for accommodating the toe fabric assembly 1, and the first positioning groove 21 is adapted to the shape of the toe fabric assembly 1; the first positioning groove 21 has two left-right symmetrical rows of needle seams 211, and the two rows of needle seams 211 are adapted to the two symmetrical needle routes on the left and right edges of the toe decorative piece 12; between the two rows of needle seams 211 is a decorative piece positioning area 212 for positioning and placing the toe decorative piece 12. The second processing station includes a second positioning groove 22 of the same shape as the first positioning groove 21, which is used to accommodate the toe fabric assembly 1 and limit it to a fixed position; the middle part of the second positioning groove 22 has a plurality of rows of needle holes 221 corresponding to the decorative holes 121 on the toe fabric assembly 1, and the rows of needle holes 221 are larger than the corresponding decorative holes 121. In this embodiment, there are three rows of pinholes 221 arranged in a straight line at intervals.

[0055] The first pressing plate 3 and the second pressing plate 4 cooperate with each other to cover the first positioning groove 21 and the second positioning groove 22, and the adjacent edges of the first pressing plate 3 and the second pressing plate 4 are located in the middle of the first positioning groove 21 and the second positioning groove 22. When in use, after one of the pressing plates covers and presses the toe fabric component 1, the position of the toe fabric component 1 can be fine-tuned, and then the other pressing plate is covered. The positions of the first pressing plate 3 and the second pressing plate 4 facing the needle seam 211 and the needle hole 221 are hollowed out for stitching during suturing.

[0056] The safety shoe toe fabric assembly sewing template tooling in this embodiment uses the positioning groove to position the toe fabric assembly 1, ensuring the precise positioning and combination between the upper 11 and the toe trim 12, which is helpful for the rapid positioning and splicing of each fabric. The toe fabric assembly 1 is pressed by the first pressing plate 3 and the second pressing plate 4, and the needle seams 211 and the needle holes 221 are used for sewing, which reduces the manual participation in the sewing process, and the operation is simple and convenient. Therefore, the sewing efficiency of the toe fabric assembly 1 is greatly improved, and the consistency of the finished product is high. In addition, the template tooling can assist in completing the sewing of the left and right edges of the toe trim 12 and the decorative hole 121, reducing the steps of replacing the template tooling during the sewing process, and further improving the production efficiency.

[0057] By means of the safety shoe toe fabric assembly sewing template tooling described in this embodiment, the method steps for sewing the toe fabric assembly 1 are as follows:

[0058] Ⅰ. Flip open the first pressing plate 3 and the second pressing plate 4, and sequentially stack the upper 11 and the toe trim 12 in the first positioning groove 21, and use the edge of the first positioning groove 21 to position the upper 11 and the toe trim 12, and then flip and cover the first pressing plate 3 and the second pressing plate 4 in sequence;

[0059] II. Sewing the left and right edges of the toe cap 12 and the vamp 11 together along the two stitches 211 in sequence to form a semi-finished product of the toe cap fabric assembly 1;

[0060] III. Flip open the first pressing plate 3 and the second pressing plate 4, transfer the semi-finished product into the second positioning groove 22, and then flip and cover the first pressing plate 3 and the second pressing plate 4;

[0061] IV. Sewing in the corresponding stitching holes 221 in sequence, sewing the edges of the decorative holes 121 and the shoe upper 11 together to form a finished product of the toe cap fabric assembly 1.

[0062] In the above method, with the help of the template tooling in this embodiment, the left and right edges and the decorative holes 121 in the middle of the toe cap 12 are stitched in sequence. The processing technology is simple, the finished product has high consistency, the production cost of safety shoes is reduced, and the quality of the finished safety shoes is improved.

[0063] Example 2

[0064] The safety shoe toe fabric assembly sewing template tooling in this embodiment has the same basic structure as that in embodiment 1, except that: Figure 2 As shown in the figure, the first pressing plate 3 and the second pressing plate 4 cooperate with each other front and back, and a decorative plate pressing plate 31 adapted to the shape of the toe decorative plate 12 extends from the edge of the first pressing plate 3 adjacent to the second pressing plate 4, and a makeshift groove 41 for accommodating the decorative plate pressing plate 31 is provided on the edge of the second pressing plate 4 adjacent to the first pressing plate 3.

[0065] The shape of the trim pressing plate 31 matches the toe trim 12 and can completely press the toe trim 12 to ensure that the toe trim 12 is spread out flat and prevent the toe trim 12 from warping during the stitching process.

[0066] Example 3

[0067] The basic structure of the safety shoe toe fabric assembly sewing template tooling in this embodiment is the same as that of embodiment 2, except that the difference and improvement are as follows: Figure 3 As shown in , both ends of the stitch 211 extend beyond the edge of the first positioning groove 21 to form a stitch opening 2110 .

[0068] The needle starting opening 2110 is used for starting the sewing process when sewing, so as to avoid the sewing needle being stuck in the board due to the needle starting position being too close to the board at the end of the needle seam, thereby reducing the occurrence of needle breakage when starting the sewing process.

[0069] Example 4

[0070] The basic structure of the safety shoe toe fabric assembly sewing template tooling in this embodiment is the same as that of embodiment 3, except that the difference and improvement are as follows: Figure 2 , Figure 4 and Figure 5 As shown in , a lock assembly 5 for connecting the first pressing plate 3 and the second pressing plate 4 is provided between the two. Specifically, the lock assembly 5 includes a bolt body 51, a first connecting member 52 and a second connecting member 53; one end of the bolt body 51 is fixed to one of the first pressing plate 3 and the second pressing plate 4, and the second connecting member 53 is fixed to the other; the other end of the bolt body 51 is a free end, which extends to the second connecting member 53, and the first connecting member 52 is fixed to the free end; the first connecting member 52 and the second connecting member 53 are connected to each other by snap-fit ​​or by magnetic attraction.

[0071] In this embodiment, Figure 4 As shown in , one end of the bolt body 51 is fixed on the second pressing plate 4, and the second connecting member 53 is fixed on the first pressing plate 3; the first connecting member 52 and the second connecting member 53 are both magnets. It can be understood that one of the first connecting member 52 and the second connecting member 53 can also be a metal member that can be attracted by a magnet; or the first connecting member 52 and the second connecting member 53 are members of a snap-fit ​​structure that cooperate with each other.

[0072] When in use, after the first pressing plate 3 and the second pressing plate 4 are covered, the locking assembly 5 is used to lock the two together, so as to ensure that the two pressing plates always press the toe fabric assembly 1 tightly, and to prevent the upper 11 or the toe trim 12 from shifting during the sewing process. In addition, after the locking assembly 5 is provided, the toe fabric assembly 1 can be pre-loaded into the template tooling offline, and then moved to the sewing machine workbench for sewing; that is, the pre-loading and sewing can be divided into two processes, which are completed by two groups of workers respectively, so as to improve production efficiency.

[0073] Example 5

[0074] The safety shoe toe fabric assembly sewing template tooling in this embodiment has the same basic structure as any one of Embodiments 1 to 4, except that: Figure 2As shown in the figure, the edges of the first pressing plate 3 and the second pressing plate 4 facing away from each other are flexibly connected to the bottom plate assembly 2 so as to be able to flip and open in opposite directions. The flexible connection is connected by a flexible tape or a hinge, or other similar hinged connection methods. In this embodiment, they are connected by a flexible tape.

[0075] In this embodiment, the first pressing plate 3 and the second pressing plate 4 are connected to the bottom plate assembly 2 as a whole, so that temporary assembly is not required; and the first pressing plate 3 and the second pressing plate 4 are respectively flipped to both sides to open, which is suitable for the staff to operate with both hands, and is more in line with the staff's usage habits. Therefore, it is more convenient to use.

[0076] Example 6

[0077] The safety shoe toe fabric assembly sewing template tooling in this embodiment has the same basic structure as any one of Embodiments 1 to 5, except that: Figure 4 As shown in FIG. 1 , one side of the base plate assembly 2 has a positioning opening 23 and a positioning hole 24 for installation and positioning.

[0078] There are two positioning openings 23 and two positioning holes 24. The two positioning openings 23 are symmetrically arranged at the front edge of the bottom plate assembly 2, and are matched with the positioning protrusions of the template clamping device on the sewing machine workbench; the two positioning holes 24 are symmetrically arranged near the front edge, and are matched with the pneumatic claws of the template clamping device.

[0079] By providing the positioning opening 23 and the positioning hole 24 to cooperate with the template clamping device on the sewing machine workbench, the positioning and installation speed of the template tooling can be increased, thereby improving the production efficiency.

[0080] Example 7

[0081] The safety shoe toe fabric assembly sewing template tooling in this embodiment has the same basic structure as any one of Embodiments 1 to 6, with the difference and improvement being that the bottom plate assembly 2, the first pressing plate 3 and the second pressing plate 4 are all made of transparent materials, such as plastic, acrylic, etc.

[0082] The transparent material is used to facilitate the staff to check whether the placement of each fabric is accurate through the pressing plate, thereby facilitating timely adjustment of the offset fabric and improving the sewing quality of the toe fabric assembly 1.

[0083] The present invention and its embodiments are described schematically above, and the description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by it and designs a structural method and an embodiment similar to the technical solution without creativity without departing from the purpose of the invention, they shall all fall within the protection scope of the present invention.

Claims

1. A method for sewing a toe fabric assembly of a safety shoe using a template tool, the template tool comprising a base plate assembly (2), and a first pressing plate (3) and a second pressing plate (4) covering the base plate assembly (2) and capable of being opened; the method being characterized in that: The bottom plate assembly (2) has a first processing station and a second processing station in the middle; The first processing station comprises a first positioning groove (21) adapted to the shape of the toe fabric component (1), the first positioning groove (21) having two left-right symmetrical rows of stitches (211), and a decorative piece positioning area (212) between the two rows of stitches (211); The second processing station comprises a second positioning groove (22) having the same shape as the first positioning groove (21), and the middle part of the second positioning groove (22) has a plurality of rows of needle holes (221) corresponding one-to-one to the decorative holes (121) on the toe fabric component (1); The first pressing plate (3) and the second pressing plate (4) cooperate with each other to cover the first positioning groove (21) and the second positioning groove (22), and the adjacent edges of the first pressing plate (3) and the second pressing plate (4) are located in the middle of the first positioning groove (21) and the second positioning groove (22); the positions of the first pressing plate (3) and the second pressing plate (4) facing the needle seam (211) and the needle hole (221) are hollowed out; The first pressing plate (3) and the second pressing plate (4) are matched with each other in front and back, and a decorative plate pressing plate (31) matching the shape of the toe decorative plate (12) extends from the edge of the first pressing plate (3) adjacent to the second pressing plate (4), and a clearance groove (41) for accommodating the decorative plate pressing plate (31) is provided on the edge of the second pressing plate (4) adjacent to the first pressing plate (3); The suturing steps include: I. Open the first pressing plate (3) and the second pressing plate (4), and sequentially stack the upper (11) and the toe decorative piece (12) in the first positioning groove (21), and use the edge of the first positioning groove (21) to position the upper (11) and the toe decorative piece (12), and then sequentially cover the first pressing plate (3) and the second pressing plate (4); II. Sequentially stitching along the two stitch seams (211) to sew the left and right edges of the toe cap trim (12) and the vamp (11) together to form a semi-finished product of the toe cap fabric assembly (1); III. Opening the first pressing plate (3) and the second pressing plate (4), transferring the semi-finished product into the second positioning groove (22), and then covering the first pressing plate (3) and the second pressing plate (4); IV. Sequentially sew the needles in the corresponding needle holes (221) to sew the edges of the decorative holes (121) and the shoe upper (11) together to form a finished product of the toe fabric component (1).

2. The method for sewing a toe fabric assembly of a safety shoe according to claim 1, characterized in that: Both ends of the needle seam (211) extend beyond the edge of the first positioning groove (21), forming a needle starting opening (2110).

3. The method for sewing a toe fabric assembly of a safety shoe according to claim 1, characterized in that: A locking assembly (5) for connecting the first pressing plate (3) and the second pressing plate (4) is provided between the two.

4. The method for sewing a toe fabric assembly of a safety shoe according to claim 3, characterized in that: The lock assembly (5) comprises a bolt body (51), a first connecting member (52) and a second connecting member (53); One end of the bolt body (51) is fixed to one of the first pressing plate (3) and the second pressing plate (4), and the second connecting member (53) is fixed to the other one; the other end of the bolt body (51) is a free end, the free end extends to the second connecting member (53), and the first connecting member (52) is fixed to the free end; The first connecting member (52) and the second connecting member (53) are connected to each other by snap-fit ​​connection or by magnetic attraction.

5. The method for sewing a toe fabric assembly of a safety shoe according to any one of claims 1 to 4, characterized in that: The opposite edges of the first pressing plate (3) and the second pressing plate (4) are flexibly connected to the bottom plate assembly (2) so as to be able to flip open in opposite directions.

6. The method for sewing a toe fabric assembly of a safety shoe according to claim 5, characterized in that: The flexible connection is through a flexible tape or a hinge.

7. The method for sewing a toe fabric assembly of a safety shoe according to any one of claims 1 to 4, characterized in that: One side of the base plate assembly (2) has a positioning opening (23) and a positioning hole (24) for installation and positioning.

8. The method for sewing a toe fabric assembly of a safety shoe according to any one of claims 1 to 4, characterized in that: The bottom plate assembly (2), the first pressing plate (3) and the second pressing plate (4) are all made of transparent material.

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