Device for preventing twisting of double-layered pieces during sewing and equipment for sewing double-layered pieces

Abstract

The present invention discloses a device for preventing twisting of the edges of double-layered pieces during sewing. The device for preventing twisting of the edges of double-layered pieces during sewing comprises a first anti-twist mechanism and a second anti-twist mechanism. The first anti-twist mechanism comprises a first roller and a first driving component. The first roller is used to be mounted on the bottom teeth of the sewing machine of the sewing mechanism. The first driving component is connected to the first roller to drive the first roller to move the first layer of pieces. The second anti-twist mechanism comprises a second roller and a second driving component. The second roller is used to be mounted on the bottom teeth of the sewing machine of the sewing mechanism. The second driving component is connected to the second roller to drive the second roller to move the second layer of pieces. The first roller and the second roller are located on the same axis and are spaced apart. The device for preventing twisting of the edges of double-layered pieces during sewing can improve the degree of automation of hemming and overlocking of the upper and lower pieces, improve the quality stability of sewn products, reduce the difficulty of sewing operations, and reduce labor intensity.

Description

Technical Field

[0001] The invention relates to the field of textile technology, in particular to a device for preventing twisting of double-layer cut pieces during sewing and double-layer cut piece sewing equipment. Background Art

[0002] During the garment production process, some processes require the hems of the upper and lower pieces to be rolled and sewn together. During this process, the force of the sewing machine's bottom teeth acting directly on the bottom piece, leaving the top piece without direct power, can easily lead to raised twists on the hems of the upper and lower pieces, affecting the appearance and feel of the sewn product. Existing manual operation methods cannot completely eliminate the occurrence of twists on the hems of the upper and lower pieces, and the twists are uneven during the sewing process, resulting in low sewing efficiency, difficult operation, and high labor intensity. Summary of the Invention

[0003] Based on this, and given that traditional manual operation methods cannot completely eliminate the occurrence of twisting at the hems of upper and lower panels, and that uneven twisting occurs during the sewing process, resulting in low sewing efficiency, high operational difficulty, and high labor intensity, one embodiment of the present invention provides a device for preventing twisting at the edges of double-layer panels during sewing. The device can improve the automation level of overlocking the hems of upper and lower panels, improve the quality and stability of sewn products, reduce the difficulty of sewing operations, and reduce labor intensity.

[0004] A device for preventing twisting in the sewing of double-layer pieces, comprising a first anti-twist mechanism and a second anti-twist mechanism, the first anti-twist mechanism comprising a first roller and a first driving component, the first roller being used to be mounted on the bottom teeth of a sewing machine of a sewing mechanism, the first driving component being connected to the first roller to drive the first roller to move the first layer of pieces, the second anti-twist mechanism comprising a second roller and a second driving component, the second roller being used to be mounted on the bottom teeth of a sewing machine of a sewing mechanism, the second driving component being connected to the second roller to drive the second roller to move the second layer of pieces, the first roller and the second roller being located on the same axis and being spaced apart.

[0005] In some embodiments, the rolling surface of the first roller has gear teeth.

[0006] In some embodiments, the rolling surface of the second roller has gear teeth.

[0007] In some embodiments, the device for preventing twisting in sewing double-layer pieces also includes a lifting mechanism, which is connected to the first anti-twisting mechanism and the second anti-twisting mechanism. The lifting mechanism can drive the first anti-twisting mechanism and the second anti-twisting mechanism to rise away from the bottom teeth of the sewing machine or descend close to the bottom teeth of the sewing machine.

[0008] In some embodiments, the lifting mechanism includes a lifting base and a lifting drive component, the lifting base is installed on the bottom teeth of the sewing machine, the first roller and the second roller are rotatably installed on the lifting base, and the lifting drive component is connected to the lifting base to drive the lifting base to rise away from the bottom teeth of the sewing machine or descend close to the bottom teeth of the sewing machine.

[0009] In some embodiments, a first installation station and a second installation station are provided on the lifting base, wherein the first installation station and the second installation station are arranged in parallel and spaced apart, the first roller is rotatably mounted on the first installation station, and the second roller is rotatably mounted on the second installation station.

[0010] In some embodiments, the first installation station is a curved surface structure, and the second installation station is a curved surface structure. The first installation station is a curved surface structure and can be used for installing the first drive component, and the second installation station is a curved surface structure and can be used for installing the second drive component.

[0011] In some embodiments, the first driving component and the second driving component may be driving motors respectively.

[0012] In some embodiments, the device for preventing twisting at the seams of double-layer panels during sewing further includes a cable connector, and the first driving component and the second driving component are respectively connected to the cable connector.

[0013] In some embodiments, the speed at which the first driving component drives the first roller to rotate is adjustable, and the speed at which the second driving component drives the second roller to rotate is adjustable.

[0014] Another object of the present invention is to provide a double-layer panel sewing device.

[0015] A double-layer piece sewing device includes a machine, a sewing mechanism, and a device for preventing twisting of the double-layer piece during sewing. The sewing mechanism and the device for preventing twisting of the double-layer piece during sewing are both installed on the machine. The first roller and the second roller of the device for preventing twisting of the double-layer piece during sewing are respectively installed on the bottom teeth of the sewing machine of the sewing mechanism.

[0016] In some embodiments, a first bottom tooth bar and a second bottom tooth bar are provided on the bottom teeth of the sewing machine. The first bottom tooth bar can cooperate with the first roller, and the second bottom tooth bar can cooperate with the first roller.

[0017] The above-mentioned device for preventing twisting of the edges of double-layered pieces during sewing is configured to drive the speeds of the upper and lower pieces respectively by setting the first roller and the second roller, so that the upper and lower pieces can move separately, thus avoiding the problem of twisting and curling of the pieces caused by inconsistent movement of the upper and lower pieces. When the above-mentioned device for preventing twisting of the edges of double-layered pieces during sewing is in use, the first roller contacts and cooperates with the upper piece, and the second roller contacts and cooperates with the lower piece. The first driving component drives the first roller to rotate to drive the upper piece forward, and the second driving component drives the second roller to rotate to drive the lower piece forward, thus avoiding curling of the upper and lower pieces. The upper and lower pieces can then be ready for sewing. The above-mentioned device for preventing twisting of the edges of double-layered pieces during sewing can improve the degree of automation of the curling and overlocking of the upper and lower pieces, improve the quality stability of sewn products, reduce the difficulty of sewing operations, and reduce labor intensity.

[0018] In the above-mentioned device for preventing twisting at the edges of double-layer cutting pieces during sewing, the rolling surface of the first roller has gear teeth, which can increase the friction between the first roller and the upper cutting piece, ensuring the normal advancement of the upper cutting piece and avoiding curling.

[0019] In the above-mentioned device for preventing twisting of the double-layer cutting piece during sewing, the rolling surface of the second roller has gear teeth, which can increase the friction between the second roller and the lower layer cutting piece, ensuring the normal advancement of the lower layer cutting piece and avoiding curling.

[0020] The above-mentioned device for preventing twisting at the mouth of the double-layer cutting piece during sewing is provided with a lifting mechanism. When the upper and lower cutting pieces need to be placed, the lifting mechanism can drive the first anti-twisting mechanism and the second anti-twisting mechanism to rise away from the bottom teeth of the sewing machine. After the upper and lower cutting pieces are placed, the lifting mechanism can drive the first anti-twisting mechanism and the second anti-twisting mechanism to descend close to the bottom teeth of the sewing machine, and then the sewing process can be started.

[0021] The above-mentioned double-layer cutting piece sewing equipment avoids the curling phenomenon of the upper and lower cutting pieces during the sewing process by setting a device for preventing the twisting of the double-layer cutting pieces during sewing. It can improve the degree of automation of the curling and oversewing of the upper and lower cutting pieces, improve the quality stability of the sewn products, reduce the difficulty of sewing operations, and reduce labor intensity.

[0022] The above-mentioned double-layer cutting piece sewing equipment is equipped with a first bottom tooth bar and a second bottom tooth bar on the bottom teeth of the sewing machine. The first bottom tooth bar can cooperate with the first roller, and the second bottom tooth bar can cooperate with the first roller, which can improve the movement stability of the upper and lower cutting pieces. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] To more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present application. Those skilled in the art can also derive other drawings based on these drawings without inventive effort.

[0024] In order to more completely understand the present application and its beneficial effects, the following description will be given in conjunction with the accompanying drawings. In the following description, the same reference numerals represent the same parts.

[0025] Figure 1 Schematic diagram of a device for preventing seam twisting during sewing of double-layer panels according to an embodiment of the present invention;

[0026] Figure 2 Exploded view of a device for preventing twisting at the edges of double-layer panels during sewing according to one embodiment of the present invention.

[0027] Description of Reference Numerals

[0028] 10. Device for preventing twisting of double-layered pieces during sewing; 100. First anti-twist mechanism; 101. First roller; 102. First drive component; 200. Second anti-twist mechanism; 201. Second roller; 202. Second drive component; 300. Lifting mechanism; 310. Lifting base; 311. First installation station; 312. Second installation station; 320. Lifting drive component; 400. Cable connector; 20. Press shoe; 21. Sewing machine bottom tooth; 22. Bottom tooth cover plate. DETAILED DESCRIPTION

[0029] To make the above-mentioned objects, features, and advantages of the present invention more readily apparent, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings. The following description sets forth numerous specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without departing from the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0030] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0031] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0032] In the present invention, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0033] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0034] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0035] In the description of the present invention, "several" means more than one, "plurality" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of "first" and "second" in the description is solely for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of the present invention are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0037] The present embodiment provides a device 10 for preventing twisting at the edges of double-layer panels during sewing. This device addresses the problems of traditional manual methods that cannot completely eliminate twisting at the hems of the upper and lower panels, and also causes uneven twisting during the sewing process, resulting in low sewing efficiency, high operational difficulty, and high labor intensity. The device will be described below with reference to the accompanying drawings.

[0038] The present invention provides a device 10 for preventing twisting in sewing double-layer panels. For example, see Figure 1 and Figure 2 As shown, Figure 1 This is a schematic diagram of the structure of the device 10 for preventing twisting in sewing double-layer panels provided in an embodiment of the present application. Figure 2 The exploded view of the device 10 for preventing twisting during sewing of double-layered panels provided by the embodiment of the present application is as follows. The device 10 for preventing twisting during sewing of double-layered panels provided by the present application can be used for sewing an upper panel and a lower panel together.

[0039] In order to more clearly illustrate the structure of the device 10 for preventing twisting at the edges of double-layered panels during sewing, the device 10 for preventing twisting at the edges of double-layered panels during sewing will be introduced below with reference to the accompanying drawings.

[0040] For example, see Figure 1 As shown, Figure 1Schematic diagram of the structure of a device 10 for preventing twisting of double-layered panels during sewing according to an embodiment of the present invention. The device 10 for preventing twisting of double-layered panels during sewing comprises a first anti-twist mechanism 100 and a second anti-twist mechanism 200.

[0041] The first anti-twist mechanism 100 includes a first roller 101 and a first drive component 102. The first roller 101 is mounted on the bottom teeth 21 of the sewing machine. The first drive component 102 is connected to the first roller 101 to drive the first roller 101 to move the first layer of pieces. The second anti-twist mechanism 200 includes a second roller 201 and a second drive component 202. The second roller 201 is mounted on the bottom teeth 21 of the sewing machine. The second drive component 202 is connected to the second roller 201 to drive the second roller 201 to move the second layer of pieces. The first roller 101 and the second roller 201 are located on the same axis and are spaced apart.

[0042] In some of these examples, see Figure 1 and Figure 2 As shown, the rolling surface of the first roller 101 has gear teeth. In the above-mentioned device 10 for preventing twisting in sewing double-layer pieces, the rolling surface of the first roller 101 has gear teeth, which can increase the friction between the first roller 101 and the upper layer of the piece, ensuring the normal advancement of the upper layer of the piece and avoiding curling.

[0043] In some of these examples, see Figure 1 and Figure 2 As shown, the rolling surface of the second roller 201 has gear teeth. In the above-mentioned device 10 for preventing twisting in sewing double-layered pieces, the rolling surface of the second roller 201 has gear teeth, which can increase the friction between the second roller 201 and the lower layer of the piece, ensuring the normal advancement of the lower layer of the piece and avoiding curling.

[0044] In some of these examples, see Figure 2 As shown, the device 10 for preventing twisting in sewing double-layered pieces further includes a lifting mechanism 300. The lifting mechanism 300 is connected to the first anti-twist mechanism 100 and the second anti-twist mechanism 200. The lifting mechanism 300 can drive the first anti-twist mechanism 100 and the second anti-twist mechanism 200 to rise away from the sewing machine bottom teeth 21 or to descend closer to the sewing machine bottom teeth 21. The device 10 for preventing twisting in sewing double-layered pieces is provided with the lifting mechanism 300. When the upper and lower layers of the pieces need to be placed, the lifting mechanism 300 can drive the first anti-twist mechanism 100 and the second anti-twist mechanism 200 to rise away from the sewing machine bottom teeth 21. After the upper and lower layers of the pieces are placed, the lifting mechanism 300 can drive the first anti-twist mechanism 100 and the second anti-twist mechanism 200 to descend closer to the sewing machine bottom teeth 21, and then the sewing process can begin.

[0045] In some of these examples, see Figure 2 As shown, the lifting mechanism 300 includes a lifting base 310 and a lifting drive component 320. The lifting base 310 is mounted on the sewing machine bottom teeth 21. The first roller 101 and the second roller 201 are rotatably mounted on the lifting base 310. The lifting drive component 320 is connected to the lifting base 310 to drive the lifting base 310 to rise away from the sewing machine bottom teeth 21 or to descend toward the sewing machine bottom teeth 21.

[0046] In some embodiments, a first installation station 311 and a second installation station 312 are provided on the lifting base 310. The first installation station 311 and the second installation station 312 are arranged in parallel and spaced apart, and the first roller 101 can be rotatably installed at the first installation station 311, and the second roller 201 can be rotatably installed at the second installation station 312.

[0047] In some embodiments, the first installation station 311 is a curved structure, and the second installation station 312 is a curved structure.

[0048] In some embodiments, the speed at which the first driving component 102 drives the first roller 101 to rotate is adjustable, and the speed at which the second driving component 202 drives the second roller 201 to rotate is adjustable. The speed at which the first roller 101 rotates and the speed at which the second roller 201 rotates can be the same or different, and the speed at which the first roller 101 rotates and the speed at which the second roller 201 rotates can be set according to actual needs.

[0049] The device 10 for preventing twisting at the edges of double-layered pieces during sewing is configured to drive the speeds of the upper and lower layers of the pieces respectively by setting the first roller 101 and the second roller 201 so that the upper and lower layers of the pieces can move independently, thereby avoiding the problem of twisting and curling of the pieces caused by inconsistent movement of the upper and lower layers of the pieces. When the device 10 for preventing twisting at the edges of double-layered pieces during sewing is in use, the first roller 101 contacts and cooperates with the upper layer of the piece, and the second roller 201 contacts and cooperates with the lower layer of the piece. The first driving component 102 drives the first roller 101 to rotate to drive the upper layer of the piece forward, and the second driving component 202 drives the second roller 201 to rotate to drive the lower layer of the piece forward, thereby preventing curling of the upper and lower layers of the piece. The upper and lower layers of the piece are then ready for sewing. The above-mentioned device 10 for preventing twisting at the edges of double-layer cutting pieces during sewing can improve the degree of automation of hemming and overlocking of the upper and lower cutting pieces, improve the quality stability of sewn products, reduce the difficulty of sewing operations, and reduce labor intensity.

[0050] Another embodiment of the present invention further provides a double-layer panel sewing device.

[0051] A double-layer piece sewing device includes a machine, a sewing mechanism, a device 10 for preventing twisting of the double-layer piece during sewing, and a control mechanism. The sewing mechanism and the device 10 for preventing twisting of the double-layer piece during sewing are both mounted on the machine. The first roller 101 and the second roller 201 of the device 10 for preventing twisting of the double-layer piece during sewing are respectively mounted above the bottom teeth 21 of the sewing mechanism, and the press shoe 20 of the sewing mechanism can cooperate with the bottom teeth 21 of the sewing mechanism to press the upper and lower pieces. The above-mentioned machine and sewing mechanism are attached to the machine. Figure 1 , Attachment Figure 2 The sewing mechanism, the first anti-twist mechanism 100 and the second anti-twist mechanism 200 are electrically connected to the control mechanism respectively.

[0052] The above-mentioned double-layer cutting piece sewing equipment avoids the curling phenomenon of the upper and lower cutting pieces during the sewing process by setting the double-layer cutting piece sewing anti-twist device 10, which can improve the automation degree of curling and sewing of the upper and lower cutting pieces, improve the quality stability of sewing products, reduce the difficulty of sewing operation, and reduce labor intensity.

[0053] In some embodiments, a first bottom tooth bar and a second bottom tooth bar are provided on the sewing machine bottom teeth 21. The first bottom tooth bar can cooperate with the first roller 101. The second bottom tooth bar can cooperate with the first roller 101. The above-mentioned double-layer cutting piece sewing equipment, by providing the first bottom tooth bar and the second bottom tooth bar on the sewing machine bottom teeth 21, can improve the movement stability of the upper and lower cutting pieces.

[0054] In some embodiments, the double-layer cutting piece sewing equipment also has a bottom tooth cover plate 22 that cooperates with the bottom tooth 21 of the sewing machine. The bottom tooth cover plate 22 is provided with a first makeshift channel and a second makeshift channel that are adapted to the first bottom tooth bar and the second bottom tooth bar. When the bottom tooth cover plate 22 cooperates with the bottom tooth 21 of the sewing machine, the first bottom tooth bar and the second bottom tooth bar can protrude from the first makeshift channel and the second makeshift channel respectively to cooperate with the first roller 101 and the second roller 201 respectively.

[0055] In the above embodiments, the description of each embodiment has its own focus. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0056] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0057] The above-described embodiments merely illustrate several implementations of the present invention, and while their descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the spirit of the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A device for preventing twisting of double-layered panels during sewing, characterized in that: It includes a first anti-twist mechanism, a second anti-twist mechanism and a lifting mechanism. The first anti-twist mechanism includes a first roller and a first driving component. The first roller is used to be installed on the bottom teeth of the sewing machine of the sewing mechanism. The first driving component is connected to the first roller to drive the first roller to drive the first layer of cutting pieces to move. The second anti-twist mechanism includes a second roller and a second driving component. The second roller is used to be installed on the bottom teeth of the sewing machine of the sewing mechanism. The second driving component is connected to the second roller to drive the second roller to drive the second layer of cutting pieces to move. The first roller and the second roller are located on the same axis and are spaced apart. The lifting mechanism is connected to the first anti-twist mechanism and the second anti-twist mechanism. The lifting mechanism can drive the first anti-twist mechanism and the second anti-twist mechanism to rise away from the bottom teeth of the sewing machine or fall close to the bottom teeth of the sewing machine.

2. The device for preventing twisting of double-layer panels during sewing according to claim 1, characterized in that: The rolling surface of the first roller has gear teeth.

3. The device for preventing twisting of double-layer panels during sewing according to claim 1, characterized in that: The rolling surface of the second roller has gear teeth.

4. The device for preventing twisting of double-layer panels during sewing according to claim 1, characterized in that: The lifting mechanism includes a lifting base and a lifting drive component. The lifting base is installed on the bottom teeth of the sewing machine. The first roller and the second roller are rotatably installed on the lifting base respectively. The lifting drive component is connected to the lifting base to drive the lifting base to rise away from the bottom teeth of the sewing machine or to descend close to the bottom teeth of the sewing machine.

5. The device for preventing twisting of double-layered panels during sewing according to claim 1, characterized in that: A first installation station and a second installation station are provided on the lifting base. The first installation station and the second installation station are arranged in parallel and at intervals. The first roller can be rotatably installed at the first installation station, and the second roller can be rotatably installed at the second installation station.

6. The device for preventing twisting of double-layer panels during sewing according to claim 5, characterized in that: The first installation station has a curved surface structure, and the second installation station has a curved surface structure.

7. The device for preventing twisting of double-layer panels during sewing according to any one of claims 1 to 6, characterized in that: The speed at which the first roller is driven to rotate by the first driving component is adjustable, and the speed at which the second roller is driven to rotate by the second driving component is adjustable.

8. A double-layer panel sewing device, characterized in that: It comprises a machine, a sewing mechanism and a device for preventing twisting of the double-layered piece during sewing as described in any one of claims 1 to 7, wherein the sewing mechanism and the device for preventing twisting of the double-layered piece during sewing are both installed on the machine, and the first roller and the second roller of the device for preventing twisting of the double-layered piece during sewing are respectively installed on the bottom teeth of the sewing machine of the sewing mechanism.

9. The double-layer panel sewing equipment according to claim 8, characterized in that: The bottom teeth of the sewing machine are provided with a first bottom tooth bar and a second bottom tooth bar. The first bottom tooth bar can cooperate with the first roller, and the second bottom tooth bar can cooperate with the first roller.

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