Sewing hemming device and multi-directional adjustable hemming device thereof

TW202639993AActive Publication Date: 2026-10-01TAIWAN TEXTILE FEDERATION
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Patent Information

Application Number
TW114111857
Authority / Receiving Office
TW · TW
Patent Type
Applications
Current Assignee / Owner
Filing Date
2025-03-27
Publication Date
2026-10-01
Estimated Expiration
2045-03-26

AI Technical Summary

Technical Problem

Traditional hemming machines struggle with controlling binding effects on textiles with large curvatures, are affected by material thickness and bending radius, and require frequent direction adjustments, leading to errors and uneven stitching.

Method used

A multi-directional adjustable hemming device with adjustable upper and lower rolling members and stops, allowing precise control over the depth and thickness of the binding strip, accommodating various sizes and curvatures.

Benefits of technology

Enhances sewing accuracy and efficiency by ensuring uniform stitching on textiles with diverse curvatures and thicknesses, reducing the need for device replacement and improving automation compatibility.

✦ Generated by Eureka AI based on patent content.

Smart Images

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Patent Text Reader

Abstract

A sewing hemming device and a multi-directional adjustable hemming device are provided. The multi-directional adjustable hemming device is suitable for a fixing seat and includes a hemming body, an adjustable roll-up member, and an adjustable roll-down member. The hemming body is adjustably fixed to the fixing seat and defines a hem guiding groove and a port located at an end of the hem guiding groove. The adjustable roll-up member is accommodated in an upper section of the hem guiding groove and fixed to the hemming body in an adjustable manner relative to the port. The adjustable roll-down member is accommodated in a lower section of the hem guiding groove and fixed to the hemming body in an adjustable manner relative to the port. The multi-directional adjustable hemming device is therefore improving using convenience.
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Description

[Technical Field]

[0001] This invention relates to an edge-binding sewing device, and more particularly to an edge-binding device for sewing and its multi-directional adjustable edge roller. [Previous Technology]

[0002] The production of textiles such as clothing, bedding or accessories often requires edge binding. This edge binding process usually uses an edge rolling machine to assist in edge binding. The edge binding strip can be smoothly sewn to the edge of textiles such as clothing, bedding or accessories through the edge rolling machine, thereby greatly improving the edge binding efficiency of the edge binding strip.

[0003] However, traditional hemming machines have difficulty controlling the binding effect stably when the curvature is large or the concave curvature is large. Furthermore, the conveying direction of the binding strip is easily affected by the material thickness and bending radius. Frequent direction adjustments during the sewing process will also increase the risk of errors. In addition, if the hemming machine and the presser foot are too close together, the binding strip will accumulate, resulting in uneven stitching or even breakage.

[0004] Furthermore, high curvature or small radius bends require higher sewing precision, and rapid changes in bending angles necessitate that the sewing equipment can quickly adjust the seam direction to ensure that the seam is evenly and tightly fitted to the design path. Therefore, developing an edge rolling device that can precisely adjust the position of the binding strip in multiple directions has become the subject of this invention.

[0005] In view of the above, the inventors have devoted themselves to researching and applying theoretical principles to solve the above-mentioned problems, which is the goal of the inventors' development. [Summary of the Invention]

[0006] The present invention provides a sewing binding device and a multi-directional adjustable hemming device, which utilizes the adjustable upper and lower rolling parts to adjust the depth and thickness of the binding strip inward rolling, thereby improving the ease of use of the multi-directional adjustable hemming device.

[0007] In an embodiment of the present invention, the present invention provides a sewing edge binding device, comprising: a fixed base having a needle hole; and a multi-directional adjustable edge rolling device, comprising: an edge rolling device body adjustablely fixed to the fixed base, the edge rolling device body having an edge rolling guide groove and a port formed at the end of the edge rolling guide groove and corresponding to the needle hole; an adjustable upper rolling member accommodated in the upper section of the edge rolling guide groove and adjustablely fixed to the edge rolling device body relative to the port; and an adjustable lower rolling member accommodated in the lower section of the edge rolling guide groove and adjustablely fixed to the edge rolling device body relative to the port; wherein, the edge rolling device body has at least one first locking hole and at least one second locking hole, the adjustable upper rolling member comprising an inverted L-shaped upper rolling piece and at least one first fixing member, the inverted L-shaped upper rolling piece accommodated in the upper section of the edge rolling guide groove and adjustablely fixed to the edge rolling device body relative to the port; wherein, the edge rolling device body has at least one first locking hole and at least one second locking hole, the adjustable upper rolling piece comprising an inverted L-shaped upper rolling piece and at least one first fixing member, the inverted L-shaped upper rolling piece being accommodated in the upper section of the edge rolling guide groove and adjustablely fixed to the port; The upper section of the hemming guide groove is located in the upper part of the inverted L-shaped upper roll piece, which has a first elongated hole. The at least one first fixing member passes through the first elongated hole and is fixed in the at least one first locking hole. The adjustable lower roll piece includes an inverted L-shaped lower roll piece and at least one second fixing member. The inverted L-shaped lower roll piece is housed in the lower part of the hemming guide groove. The inverted L-shaped lower roll piece has a second elongated hole. The at least one second fixing member passes through the second elongated hole and is fixed in the at least one second locking hole.

[0008] In an embodiment of the present invention, the present invention provides a multi-directional adjustable hemming tool, applicable to a fixed base. The multi-directional adjustable hemming tool includes: a hemming tool body, adjustablely fixed to the fixed base, the hemming tool body having a hemming guide groove and a port formed at the end of the hemming guide groove; an adjustable upper hemming member, accommodated in the upper section of the hemming guide groove and adjustablely fixed to the hemming tool body relative to the port; and an adjustable lower hemming member, accommodated in the lower section of the hemming guide groove and adjustablely fixed to the hemming tool body relative to the port; wherein, the hemming tool body has at least one first locking hole and at least one second locking hole, the adjustable upper hemming member includes an inverted L-shaped upper hemming piece and at least one first fixing member, the inverted L-shaped upper hemming piece accommodating... The upper section of the hemming guide groove is located in the upper part of the inverted L-shaped upper roll piece, which has a first elongated hole. The at least one first fixing member passes through the first elongated hole and is fixed in the at least one first locking hole. The adjustable lower roll piece includes an inverted L-shaped lower roll piece and at least one second fixing member. The inverted L-shaped lower roll piece is housed in the lower part of the hemming guide groove. The inverted L-shaped lower roll piece has a second elongated hole. The at least one second fixing member passes through the second elongated hole and is fixed in the at least one second locking hole.

[0009] Based on the above, the adjustable upper roll member can be adjusted near or far from the port. The size of the opening surrounded by the adjustable upper roll member, the edge guide groove, and the port can be used to control the size and thickness of the upper edge of the binding strip being rolled inward. The adjustable lower roll member can be adjusted near or far from the port. The size of the opening surrounded by the adjustable lower roll member, the edge guide groove, and the port can be used to control the size and thickness of the lower edge of the binding strip being rolled inward. This achieves the function of adjusting the depth and thickness of the inner roll of the binding strip in a multi-directional adjustable edge rolling device, thereby improving the ease of use of the multi-directional adjustable edge rolling device and avoiding the need to replace different edge rolling devices due to different inner roll dimensions of the binding strip.

Implementation Method

[0010] The detailed description and technical content of the present invention will be explained in conjunction with the drawings below. However, the drawings are for illustrative purposes only and are not intended to limit the present invention.

[0011] Please refer to Figures 1 to 6. The present invention provides a sewing binding device and a multi-directional adjustable edge rolling device. The sewing binding device 10 mainly includes a fixed base 1 and a multi-directional adjustable edge rolling device 2. The multi-directional adjustable edge rolling device 2 mainly includes an edge rolling device body 21, an adjustable upper rolling component 22 and an adjustable lower rolling component 23.

[0012] As shown in Figures 1 to 4 and 6, the fixing seat 1 can be integrally formed on the sewing table (not shown) to form part of the sewing table or fixed to the sewing table. The fixing seat 1 is provided with a needle hole 11, one or more first positioning holes 12 and a second positioning hole 13. The needle hole 11 is used to provide a sewing needle (not shown) of the sewing table for insertion.

[0013] As shown in Figures 1 to 4 and 6, the hemming device body 21 is adjustablely fixed to the fixing base 1. The hemming device body 21 is provided with a hemming guide groove 211 and a port 212 formed at the end of the hemming guide groove 211 and corresponding to the needle hole 11. After the binding strip (not shown in the figure) is inserted into the hemming guide groove 211, it will be guided by the shape of the hemming guide groove 211, and then when it is passed out of the port 212, it will be in a hemmed state and provided for subsequent sewing. The hemming device body 21 is provided with one or more first locking holes 213 and one or more second locking holes 214.

[0014] Detailed description is as follows: The hemming guide groove 211 has an inverted C-shaped inner wall 215. The front side of the hemming device body 21 is provided with an opening 216 that connects the hemming guide groove 211 and the port 212. The hemming device body 21 has a protrusion 217 that extends from the inner periphery of the opening 216 and is opposite to the middle section of the inverted C-shaped inner wall 215. The first locking hole 213 and the second locking hole 214 are opened from the protrusion 217.

[0015] As shown in Figures 1 to 3 and Figure 6, the adjustable upper roll member 22 is housed in the upper section of the edge-rolling guide groove 211 and can be adjusted relative to the port 212 and fixed to the edge-roller body 21. The adjustable lower roll member 23 is housed in the lower section of the edge-rolling guide groove 211 and can be adjusted relative to the port 212 and fixed to the edge-roller body 21.

[0016] Further explanation is as follows: The adjustable upper winding member 22 includes an inverted L-shaped upper winding piece 221 and one or more first fixing members 222. The number of first fixing members 222 is the same as the number of first locking holes 213. The inverted L-shaped upper winding piece 221 is accommodated in the upper section of the edge-curling guide groove 211. The inverted L-shaped upper winding piece 221 is provided with a first elongated hole L1. The adjustable lower winding member 23 includes an inverted L-shaped lower winding piece 231 and one or more second fixing members 232. The number of second fixing members 232 is the same as the number of second locking holes 214. The inverted L-shaped lower winding piece 231 is accommodated in the lower section of the edge-curling guide groove 211. The inverted L-shaped lower winding piece 231 is provided with a second elongated hole L2.

[0017] In this embodiment, the number of the first locking hole 213 and the second locking hole 214 are two, but this is not a limitation. When the number of the first locking hole 213, the second locking hole 214, the first fixing member 222 and the second fixing member 232 are two, each of the first fixing members 222 passes through the first elongated hole L1 and is fixed through each of the first locking holes 213, and each of the second fixing members 232 passes through the second elongated hole L2 and is fixed through each of the second locking holes 214. This can securely lock the positions of the inverted L-shaped upper roll piece 221 and the inverted L-shaped lower roll piece 231 through two locking points, so as to avoid the situation where the inverted L-shaped upper roll piece 221 and the inverted L-shaped lower roll piece 231 can rotate with only a single locking point.

[0018] In addition, the inverted L-shaped upper roll plate 221 has a first elongated hole L1 at one end, which is opposite to the protrusion 217, and an extension opening 216 at the other end, which is opposite to the upper section of the inverted C-shaped inner wall 215 and gradually inclined towards the port 212. The inverted L-shaped lower roll plate 231 has a second elongated hole L2 at one end, which is opposite to the protrusion 217, and an extension opening 216 at the other end, which is opposite to the lower section of the inverted C-shaped inner wall 215 and gradually inclined towards the port 212.

[0019] Thus, the upper oblique wing section 223 can be adjusted to be near or far from the port 212, so that the size of the inward roll of the upper edge of the binding strip can be controlled by the size of the opening surrounded by the upper oblique wing section 223, the inverted C-shaped inner wall 215 and the port 212. The lower oblique wing section 233 can be adjusted to be near or far from the port 212, so that the size of the inward roll of the lower edge of the binding strip can be controlled by the size of the opening surrounded by the lower oblique wing section 233, the inverted C-shaped inner wall 215 and the port 212. This achieves the function of adjusting the depth and thickness of the inward roll of the binding strip by the multi-directional adjustable edge rolling device 2, thereby improving the ease of use of the multi-directional adjustable edge rolling device 2 and avoiding the situation where different edge rolling devices need to be replaced due to different inward roll sizes of the binding strip.

[0020] Furthermore, the multi-directional adjustable hemming machine 2 further includes an upper stop 24 and a lower stop 25. The upper stop 24 is disposed on the upper outer side of the port 212 and can be adjusted relative to the port 212 and fixed to the hemming machine body 21. The lower stop 25 is disposed on the lower outer side of the port 212 and can be adjusted relative to the port 212 and fixed to the hemming machine body 21.

[0021] Detailed description is as follows: The upper stop 24 includes an upper stop plate 241 and a third fixing member 242. One of the hemming machine body 21 and the upper stop plate 241 is provided with a third locking hole 243 and the other is provided with a third elongated hole L3. The third fixing member 242 passes through the third elongated hole L3 and is fixed in the third locking hole 243. The lower stop 25 includes a lower stop plate 251 and a fourth fixing member 252. One of the hemming machine body 21 and the lower stop plate 251 is provided with a fourth locking hole 253 and the other is provided with a fourth elongated hole L4. The fourth fixing member 252 passes through the fourth elongated hole L4 and is fixed in the fourth locking hole 253.

[0022] In this embodiment, the third elongated hole L3 and the fourth elongated hole L4 are opened from the edge curler body 21, the third locking hole 243 is opened from the upper stop plate 241, and the fourth locking hole 253 is opened from the lower stop plate 251. However, this is not a limitation. The third locking hole 243 and the fourth locking hole 253 can also be opened from the edge curler body 21, the third elongated hole L3 can also be opened from the upper stop plate 241, and the fourth elongated hole L4 can also be opened from the lower stop plate 251.

[0023] Accordingly, the upper stop plate 241 can be adjusted to be near or far from the port 212, thereby adjusting the distance between the upper stop plate 241 and the port 212 to accommodate the upper inward curl of the binding strip. The lower stop plate 251 can be adjusted to be near or far from the port 212, thereby adjusting the distance between the lower stop plate 251 and the port 212 to accommodate the lower inward curl of the binding strip. This allows the multi-directional adjustable hemming device 2 to be used with binding strips of various sizes for inward curling, thereby improving the ease of use of the multi-directional adjustable hemming device 2 and avoiding the need to replace different hemming devices due to different inner curling sizes of the binding strip.

[0024] Furthermore, the adjustable upper roll member 22, the adjustable lower roll member 23, the upper stop member 24, and the lower stop member 25 can be individually adjusted relative to the port 212, so that the upper inward roll and the lower inward roll of the binding strip can be rolled into the same size or different sizes as required. Compared with the conventional binding strip where the upper inward roll and the lower inward roll can only be rolled into a fixed size, the multi-directional adjustable binding strip 2 of the present invention has the feature of being able to roll the upper inward roll and the lower inward roll of the binding strip into different sizes.

[0025] As shown in Figures 1 to 2, 4 and 6, a positioning piece 218 extends from the rear side of the hemming body 21 and is stacked on the fixing base 1. The positioning piece 218 is provided with a fifth elongated hole L5. The multi-directional adjustable hemming device 2 further includes one or more fifth fixing members 26. The number of fifth fixing members 26 is the same as that of the first positioning holes 12. In this embodiment, the number of fifth fixing members 26 and the number of first positioning holes 12 are two, but this is not a limitation. Each fifth fixing member 26 passes through the fifth elongated hole L5 and is fixed through each first positioning hole 12, so that the position of the positioning piece 218 can be securely locked through two locking points to avoid the situation where the positioning piece 218 can rotate with only a single locking point.

[0026] As shown in Figures 1 to 2, 4 and 6, the multi-directional adjustable hemming tool 2 further includes an angle limiting frame 27 and a sixth fixing member 28. The angle limiting frame 27 is stacked on the fixing base 1, and the inner shape of the angle limiting frame 27 is the same as the outer shape of the positioning piece 218, so that the angle limiting frame 27 can abut against the outer side of the positioning piece 218. The angle limiting frame 27 is provided with a first circular hole 271 and a second circular hole 272 that are connected. The diameter of the second circular hole 272 is larger than the diameter of the first circular hole 271. The sixth fixing member 28 can be selectively inserted into the first circular hole 271 or the second circular hole 272 and fixed into the second positioning hole 13.

[0027] Thus, the first round hole 271 and the second round hole 272 are connected to form an elongated hole, so that the angle limiting frame 27 can rotate and move relatively large angles relative to the fixed seat 1. At the same time, the positioning piece 218 can also rotate and move slightly relative to the fixed seat 1, so that the entire multi-directional adjustable hemming device 2 can be adjusted to be close to or far away from the needle hole 11 and the sewing needle, thereby adjusting the depth of the stitches on the binding strip and further enhancing the ease of use of the multi-directional adjustable hemming device 2.

[0028] As shown in Figures 5 and 6, the sewing binding device 10 of the present invention further includes a presser foot 3, which is disposed on the fixed base 1. The end of the presser foot 3 extends to an L-shaped pressing strip 31 corresponding to the port 212. The L-shaped pressing strip 31 has a first inner side 32 and a second inner side 33 that are perpendicular to each other. The first inner side 32 is provided with a first notch 321 opposite to the needle hole 11, and the second inner side 33 is provided with a second notch 331.

[0029] Accordingly, the first notch 321 is used to accommodate the sewing needle, and the inner side of the L-shaped pressure strip 31 and the second notch 331 are used to accommodate the binding strip. Both the first notch 321 and the second notch 331 are connected to the through-hole formed on the inner side of the L-shaped pressure strip 31. Therefore, compared with the conventional single hole design, the first notch 321 of the present invention provides more space for accommodating the sewing needle. If the through-hole on the inner side of the L-shaped pressure strip 31 is not enough to accommodate the binding strip, the binding strip can move to the second notch 331, thereby avoiding the situation of the binding strip bursting.

[0030] Furthermore, since the multi-directional adjustable hemming device 2 of the present invention has the function of adjusting the depth and thickness of the hemming strip inward roll, and can be used with hemming strips of various thicknesses and sizes for inward roll, and can prevent the hemming strip from bursting through the presser foot 3, the sewing hemming device 10 of the present invention has increased multi-directional adjustment capability, allowing for fine adjustment of depth and direction on hemming strips of different thicknesses or varying bending angles, ensuring that the stitching is uniform and tightly fitted to the design path, solving the limitation of traditional one-machine-one-use, while improving sewing accuracy and efficiency, thereby adapting to the automation needs of modern production lines, enhancing sewing accuracy and finished product quality.

[0031] In summary, the sewing binding device and its multi-directional adjustable hemming device of the present invention have not been seen in similar products or publicly used, and have industrial applicability, novelty and progress, fully meeting the requirements for patent application. Therefore, this application is filed in accordance with the Patent Law to protect the rights of the inventor. [Simplified Explanation of the Diagram]

[0032] Figure 1 is a three-dimensional assembly diagram of the sewing edging device of the present invention.

[0033] Figure 2 is an exploded perspective view of the sewing binding device of the present invention.

[0034] Figure 3 is a front view of the combined sewing binding device of the present invention.

[0035] Figure 4 is a top view of the combined sewing edge binding device of the present invention.

[0036] Figure 5 is a three-dimensional schematic diagram of the presser foot of the present invention.

[0037] Figure 6 is another perspective view of the sewing binding device of the present invention.

Claims

1. A sewing binding device, comprising: A fixed base with a needle hole; And a multi-directional adjustable hemming tool, comprising: a hemming tool body adjustablely fixed to the fixing base, the hemming tool body having a hemming guide groove and a port formed at the end of the hemming guide groove and corresponding to the needle hole; an adjustable upper hemming member received in the upper section of the hemming guide groove and adjustablely fixed to the hemming tool body relative to the port; and an adjustable lower hemming member received in the lower section of the hemming guide groove and adjustablely fixed to the hemming tool body relative to the port. The hemming device body is provided with at least one first locking hole and at least one second locking hole. The adjustable upper hemming member includes an inverted L-shaped upper hemming piece and at least one first fixing member. The inverted L-shaped upper hemming piece is housed in the upper section of the hemming guide groove. The inverted L-shaped upper hemming piece is provided with a first elongated hole. The at least one first fixing member passes through the first elongated hole and is fixed in the at least one first locking hole. The adjustable lower hemming member includes an inverted L-shaped lower hemming piece and at least one second fixing member. The inverted L-shaped lower hemming piece is housed in the lower section of the hemming guide groove. The inverted L-shaped lower hemming piece is provided with a second elongated hole. The at least one second fixing member passes through the second elongated hole and is fixed in the at least one second locking hole.

2. The sewing binding device as claimed in claim 1, wherein the hemming guide groove has an inverted C-shaped inner wall, the front side of the hemming device body is provided with an opening communicating with the hemming guide groove and the port, the hemming device body has a protrusion extending from the inner periphery of the opening and opposite to the middle section of the inverted C-shaped inner wall, and the at least one first locking hole and the at least one second locking hole are opened from the protrusion.

3. The sewing binding device as described in claim 2, wherein the inverted L-shaped upper roll has a first elongated hole at one end, which is opposite to the protrusion, and an upper oblique wing section extending into the opening, opposite to the upper section of the inverted C-shaped inner wall, and gradually inclined toward the port; the inverted L-shaped lower roll has a second elongated hole at one end, which is opposite to the protrusion, and a lower oblique wing section extending into the opening, opposite to the lower section of the inverted C-shaped inner wall, and gradually inclined toward the port.

4. The sewing binding device as claimed in claim 1, wherein the multi-directional adjustable hemming device further includes an upper stop and a lower stop, the upper stop being disposed on the upper outer side of the port and adjustable relative to the port and fixed to the hemming device body, and the lower stop being disposed on the lower outer side of the port and adjustable relative to the port and fixed to the hemming device body.

5. The sewing binding device as claimed in claim 4, wherein the upper stop includes an upper stop plate and a third fixing member, one of the hemming device body and the upper stop plate is provided with a third locking hole and the other is provided with a third elongated hole, the third fixing member is disposed through the third elongated hole and fixed in the third locking hole, the lower stop includes a lower stop plate and a fourth fixing member, one of the hemming device body and the lower stop plate is provided with a fourth locking hole and the other is provided with a fourth elongated hole, the fourth fixing member is disposed through the fourth elongated hole and fixed in the fourth locking hole.

6. The sewing binding device as claimed in claim 1, wherein the fixing base is provided with at least one first positioning hole, a positioning piece extending from the rear side of the hemming body and stacked on the fixing base is provided with a fifth elongated hole, and the multi-directional adjustable hemming device further includes at least one fifth fixing member, the at least one fifth fixing member passing through the fifth elongated hole and fixed in the at least one first positioning hole.

7. The sewing binding device as described in claim 6, wherein the fixed base is provided with a second positioning hole, and the multi-directional adjustable hemming device further includes an angle limiting frame and a sixth fixing member, the angle limiting frame being stacked on the fixed base and abutting against the outer side of the positioning piece, the angle limiting frame being provided with a first circular hole and a second circular hole that are connected, the diameter of the second circular hole being larger than the diameter of the first circular hole, and the sixth fixing member being disposed in the first circular hole or the second circular hole and fixed in the second positioning hole.

8. The sewing binding device as claimed in claim 1 further includes a presser foot disposed on the fixed base, the end of the presser foot extending to an L-shaped pressure strip corresponding to the port, the L-shaped pressure strip having a first inner side and a second inner side perpendicular to each other, the first inner side having a first notch opposite to the needle hole, and the second inner side having a second notch.

9. A multi-directional adjustable hemming tool, suitable for a fixed base, the multi-directional adjustable hemming tool comprising: An edge-rolling device body is adjustablely fixed to the fixing base, the edge-rolling device body having an edge-rolling guide groove and a port formed at the end of the edge-rolling guide groove; an adjustable upper rolling member is accommodated in the upper section of the edge-rolling guide groove and is adjustablely fixed to the edge-rolling device body relative to the port; and an adjustable lower rolling member is accommodated in the lower section of the edge-rolling guide groove and is adjustablely fixed to the edge-rolling device body relative to the port. The hemming device body is provided with at least one first locking hole and at least one second locking hole. The adjustable upper hemming member includes an inverted L-shaped upper hemming piece and at least one first fixing member. The inverted L-shaped upper hemming piece is housed in the upper section of the hemming guide groove. The inverted L-shaped upper hemming piece is provided with a first elongated hole. The at least one first fixing member passes through the first elongated hole and is fixed in the at least one first locking hole. The adjustable lower hemming member includes an inverted L-shaped lower hemming piece and at least one second fixing member. The inverted L-shaped lower hemming piece is housed in the lower section of the hemming guide groove. The inverted L-shaped lower hemming piece is provided with a second elongated hole. The at least one second fixing member passes through the second elongated hole and is fixed in the at least one second locking hole.

10. The multi-directional adjustable hemming tool as claimed in claim 9, wherein the hemming guide groove has an inverted C-shaped inner wall, the front side of the hemming tool body has an opening communicating with the hemming guide groove and the port, the hemming tool body has a protrusion extending from the inner periphery of the opening and opposite to the middle section of the inverted C-shaped inner wall, and the at least one first locking hole and the at least one second locking hole are formed from the protrusion.

11. The multi-directional adjustable hemming device as described in claim 10, wherein the inverted L-shaped upper hemming has a first elongated hole at one end, which is opposite to the protrusion, and an upper inclined wing segment extending into the opening, opposite to the upper section of the inverted C-shaped inner wall, and gradually inclined toward the port direction; the inverted L-shaped lower hemming has a second elongated hole at one end, which is opposite to the protrusion, and a lower inclined wing segment extending into the opening, opposite to the lower section of the inverted C-shaped inner wall, and gradually inclined toward the port direction.

12. The multi-directional adjustable hemming tool as described in claim 9 further includes an upper stop and a lower stop, the upper stop being disposed on the upper outer side of the port and adjustable relative to the port and fixed to the hemming tool body, and the lower stop being disposed on the lower outer side of the port and adjustable relative to the port and fixed to the hemming tool body.

13. The multi-directional adjustable hemming tool as described in claim 12, wherein the upper stop includes an upper stop plate and a third fixing member, one of the hemming tool body and the upper stop plate is provided with a third locking hole and the other is provided with a third elongated hole, the third fixing member is disposed through the third elongated hole and fixed in the third locking hole, the lower stop includes a lower stop plate and a fourth fixing member, one of the hemming tool body and the lower stop plate is provided with a fourth locking hole and the other is provided with a fourth elongated hole, the fourth fixing member is disposed through the fourth elongated hole and fixed in the fourth locking hole.

14. The multi-directional adjustable hemming tool as claimed in claim 9, wherein the fixing base is provided with at least one first positioning hole, a positioning piece extending from the rear side of the hemming tool body and stacked on the fixing base is provided with a fifth elongated hole, and the multi-directional adjustable hemming tool further includes at least one fifth fixing member, the at least one fifth fixing member passing through the fifth elongated hole and fixed in the at least one first positioning hole.

15. The multi-directional adjustable hemming device as described in claim 14 further includes an angle limiting frame and a sixth fixing member, the fixing base having a second positioning hole, the angle limiting frame being stacked on the fixing base and abutting against the outer side of the positioning piece, the angle limiting frame having a first circular hole and a second circular hole communicating with each other, the diameter of the second circular hole being larger than the diameter of the first circular hole, and the sixth fixing member being disposed in the first circular hole or the second circular hole and fixed in the second positioning hole.