TWI747770B - Cloth guiding device for coiled material joining equipment and operation method thereof - Google Patents

Abstract

The present disclosure provides a cloth guiding device for coiled material joining equipment and operation method thereof. The cloth guiding device includes a cloth guiding rod and a securing component. The cloth guiding rod is a circular rod with a pierced-through structure which is comprised of two elongated openings formed corresponding to each other on both sides of the circular rod and allows a coiled material to pass through, and the securing component includes two securing units located at both ends of the cloth guiding rod. The securing units each includes a directional rotating member and a connecting member, wherein, the directional rotating member is connected to the cloth guiding rod and is configured to rotate along a predetermined direction for winding the coiled material on the cloth guiding rod, and the connecting member is connected to the directional rotating member and is configured to connect with a driving assembly of a coiled material joining equipment for the cloth guiding rod to deliver the coiled material to a joining platform. The cloth guiding device provided by the present disclosure may simplify the joining procedure and reduce the manufacturing cost.

Description

Cloth guide device for coil joining equipment and operation method thereof

The present invention relates to a cloth guiding device and its operation method, more specifically, it relates to a cloth guiding device and its operation method for web joining equipment.

Roll-to-roll processing (R2R) technology can be used to manufacture various electronic components on sheet materials, such as those used in the electronics industry, semiconductor industry, automotive batteries, IC driver packaging and other fields , And can be used for various manufacturing processes such as coating and printing. In the roll-to-roll manufacturing process, the coiled material (coiled material) is first unrolled into a long sheet for processing through the equipment, and then re-rolled into a coil after the processing. Generally speaking, in a roll-to-roll manufacturing process, a manufacturing process of roll-to-roll bonding (or film bonding) is required to enable the product to be continuously manufactured, or to enable the manufacturing to meet product requirements. Accordingly, in the joining procedure, a cloth guiding device is required to guide the roll material to the roll joining device, so as to join the two rolls of material to each other. In addition, the coil joining equipment and cloth guiding device can also be used in various manufacturing equipment such as slitting machines, slitting rewinders, printing machines, coating and laminating machines.

In the prior art, the cloth guiding device used to guide the roll material to the roll joining device usually fixes the roll material on the cloth guiding device by clamping. As a result, when the joining process is required in the manufacturing process, the roll material needs to be manually placed in the clamping mechanism, and then locked to prevent the roll material from loosening during cloth guiding or joining. . Please refer to FIG. 1, which is a schematic diagram of a prior art cloth guide device. As shown in Fig. 1, the prior art cloth guiding device G'has a square tube 1'and a folded plate 2'. The tube body of the square tube 1'has a hole 11', and the folded plate 2'is equipped with cone needles 21'. The multiple holes 11' of the square tube 1'correspond to the cone needles 21' installed on the folded plate 2'respectively. Cooperate. In addition, one end of the square tube 1'may have a tooth hole 12', so that the square tube 1'and the folded plate 2'can be fixed to each other through the tooth hole 12' using screws. When the joining procedure is not performed and the cloth guide G'is not in use, the folded plate 2'can be attached to the square tube 1', and the folded plate 2'and the square tube 1'are fixed to each other. When performing the splicing procedure, loosen the screw in the tooth hole 12' to unscrew the folded plate 2'relative to the square tube 1'. At this time, manually place the cloth head of the roll material on the square tube 1' Between the folded plate 2'and the folded plate 2', the folded plate 2'is attached to the square tube 1'again, so that the hole 11' and the cone needle 21' correspond to each other. At this time, tighten the screw of the tooth hole 12' to complete the procedure of fixing the roll material on the cloth guide G'.

1 and the above description, in the prior art, the procedure of fixing the roll material to the cloth guiding device G'involves the steps of loosening the screw, placing the roll material, and tightening the screw again. Therefore, this procedure involves more complicated manual operations. What's more, in the step of tightening the screws, the tightness of the screw locking has a great influence on the fixing of the roll fabric and the subsequent stretching for processing. If the screw's locking force is insufficient, it may cause the roll material to loosen during the subsequent joining procedure. If the locking force of the screw is too large, it may cause excessive tension of the coil material in the subsequent joining process, which may cause adverse effects on the product during the joining or cutting process.

In addition to the cloth guiding device G'shown in FIG. 1, the prior art also uses other types of cloth guiding devices to fix and guide roll materials. For example, in a prior art, the square tube and the folded plate in the cloth guide device can also be completely separated from each other in the step of placing the roll material, and pass through the two ends of the square tube in the clamping step. The screws are tightened. Obviously, because one side of the folded plate is not fixed to the square tube, the step of manually aligning the folded plate with the square tube must be increased. Therefore, the operation procedure of the above device is more complicated than the operation of the cloth guiding device G'. In view of this, there is a need to provide a device and method that can greatly simplify the operation of the cloth guiding device in the joining procedure, so as to solve the shortcomings in the prior art.

In order to solve the above technical problems, the present invention provides a cloth guide device for web joining equipment and an operating method thereof, which can cooperate with a specially designed cloth threading rod and a locking assembly, and then wind The roll material is firmly fixed on the cloth guide device, and is guided by the cloth guide device to perform the joining process.

An embodiment of the present invention provides a cloth guide device for a web joining device, which includes a cloth threading rod and a locking component. The cloth threading rod is a round tube with a through structure. The through structure penetrates through the tube wall of the round tube and forms two slender openings corresponding to each other on both sides of the round tube. The structure is used for a roll of material to pass through. The locking assembly includes two locking units respectively located at two ends of the cloth threading rod, and the two locking units respectively include a directional rotating member and a connecting member. The directional rotating member is connected to the cloth threading rod, and is used to rotate the cloth threading rod in a single predetermined direction, so that the roll material is wound on the cloth threading rod. The connecting member is connected to the directional rotating member, and is used to connect with a driving element of a web joining device, so that the cloth threading rod drives the web material to be transferred to the web joining device On a joining platform of the device.

In a preferred embodiment, the roll material passes through the through structure along a feeding direction, and the two elongated holes correspond to each other in the feeding direction.

In a preferred embodiment, the directional rotating member includes at least one of a one-way bearing and an escapement structure.

In a preferred embodiment, the two elongated openings respectively have an opening length between 1200 mm and 1700 mm and an opening width between 12 mm and 20 mm.

In a preferred embodiment, the cloth threading rod has a tube length between 1300 mm and 1800 mm and an outer diameter between 32 mm and 45 mm.

In a preferred embodiment, the two locking units further include a housing, an elastic buffer, and an outer cover, respectively. The housing forms an accommodating space, and the elastic buffer member is sleeved on a first part of the connecting member, and the first part of the connecting member and the elastic buffer member are located in the accommodating space. In the space. The outer cover is connected to the housing and has a perforation, and a second part of the connecting member is located outside the accommodating space through the perforation and is used for interconnecting with the coil joining device.

In a preferred embodiment, the elastic buffer member is a spring.

In a preferred embodiment, the housing and the outer cover are locked to each other by a locking element.

In a preferred embodiment, the cloth guiding device used for the web joining device further includes a holding assembly, which includes two holding units respectively connected between the cloth threading rod and the locking assembly.

Another embodiment of the present invention provides a method for operating a cloth guiding device, which includes: providing a cloth guiding device, the structure of the cloth guiding device is as described above; and passing a roll of material through the cloth threading rod The penetrating structure; the cloth threading rod is driven to rotate in the single predetermined direction by the directional rotating member of the locking assembly, so that the roll material is rolled on the cloth threading rod; The connecting member of the locking assembly drives the cloth threading rod and the roll material, so that the roll material is transferred to a joining platform of the roll material joining device; and passes through the roll material The joining device joins the roll-type material with a base material.

The main technical means of the present invention lies in the cloth guide device for web joining equipment and its operation method provided by the present invention. The design of the cloth threading rod and the locking assembly enables the roll material to pass through the cloth threading rod. The directional rotating part of the locking assembly is rotated and then fixed on the cloth threading rod, and the fixed coil material is transferred to the coil joining equipment for the joining procedure in accordance with the design of the connecting part of the locking assembly. In this way, the device and the operation method provided by the present invention have the obvious effects of simple operation, lower error rate and increase production efficiency.

The following is a specific example to illustrate the implementation of the “cloth guiding device for web joining equipment and its operation method” disclosed in the present invention. Those with ordinary knowledge in the technical field of the present invention can be disclosed in this specification. The content understands the advantages and effects of the present invention. The present invention can be implemented or applied through other different specific embodiments, and various details in this specification can also be based on different viewpoints and applications, and various modifications and changes can be made without departing from the spirit of the present invention. In addition, the drawings of the present invention are merely schematic illustrations, and are not drawn according to actual size, and are described first. The following embodiments will further describe the related technical content of the present invention in detail, but the disclosed content is not intended to limit the technical scope of the present invention.

First, please refer to Figure 2 and Figure 3. 2 and 3 are respectively a three-dimensional schematic diagram and a side schematic diagram of a cloth guiding device provided by an embodiment of the present invention. The cloth guiding device G for web joining equipment provided by the embodiment of the present invention includes a cloth threading rod 1 and a locking assembly 2. The cloth threading rod 1 is a round tube with a through structure 11. The cloth threading rod 1 may be made of metal materials, such as stainless steel, etc. However, the present invention is not limited to this.

In a preferred embodiment of the present invention, the cloth threading rod 1 has a tube length L2 between 1300 mm and 1800 mm and an outer diameter between 32 mm and 45 mm. However, the present invention is not limited to this, and the size of the cloth threading rod 1 can be adjusted according to actual needs. In the embodiment of the present invention, the circular tube-shaped cloth threading rod 1 can be rotated to take up roll-like materials. The through structure 11 of the cloth threading rod 1 penetrates the tube wall of the circular tube, and two elongated openings 111, 112 are formed on both sides of the circular tube, and the through structure 11 is used for the roll material to pass through. . In the embodiment of the present invention, the roll material may be a base material such as woven cloth, glass fiber cloth or a template, however, the present invention is not limited to this.

As shown in FIGS. 2 and 3, the through structure 11 is formed with two openings on the outer surface of the circular tube, and the space connecting the two openings with the space between the two openings forms the through structure 11. Therefore, when a roll material (such as a substrate such as cloth) passes through the through structure 11 along the feeding direction D, the two elongated openings 111 and 112 correspond to each other in the feeding direction D. Accordingly, only one of the elongated openings 111 can be seen from the viewing angle of FIG. 2, while in the viewing angle of FIG. 3, the two elongated openings 111 and 112 are completely overlapped. In the embodiment of the present invention, preferably, the two elongated openings 111 and 112 respectively have an opening length L1 between 1200 mm and 1700 mm and an opening width between 12 mm and 20 mm. W1. When the two slender openings 111, 112 have the above-mentioned dimensions, the roll material can be smoothly penetrated into the through structure 11, and the roll material can be well held in the subsequent rotation of the cloth threading rod 1 of the cloth guiding device G Put on the cloth rod 1.

Please also refer to Figure 2 and Figure 3. The locking assembly 2 includes two locking units 21 and 22 respectively located at the two ends of the cloth threading rod 1. In other words, the locking assembly 2 is composed of locking units 21 and 22 located at both ends of the cloth threading rod 1. The two locking units 21 and 22 respectively include an orientation rotating member 211 and a connecting member 212 described later. In addition, it is worth noting that, in the embodiment of the present invention, the cloth guiding device G may further include a holding assembly 3, which includes two holding units 31, which are connected between the cloth threading rod 1 and the locking assembly 2, respectively. 32. In other words, the cloth threading rod 1 can be connected to the two locking units 21 and 22 of the locking assembly 2 through the two holding units 31 and 32 of the holding assembly 3.

Next, please refer to Figures 4 to 6. Fig. 4 is a schematic front view of a cloth guiding device G provided by an embodiment of the present invention. FIG. 5 is an exploded schematic diagram of the locking assembly 2 of the cloth guide device G provided by the embodiment of the present invention. FIG. 6 is a schematic structural diagram of the locking assembly 2 of the cloth guide device G provided by the embodiment of the present invention. It is worth noting that the specification only describes the structure and function of one of the locking units 21 of the locking assembly 2. However, the two locking assemblies 2 of the cloth guiding device G provided by the embodiment of the present invention are The units 21 and 22 actually have the same structure and function.

In detail, as shown in FIG. 6, the locking unit 21 includes an orientation rotating member 211 and a connecting member 212. The directional rotating member 211 is connected to the cloth threading rod 1, and the directional rotating member 211 is used to rotate the cloth threading rod 1 in a single predetermined direction, so as to wind the roll material on the cloth threading rod 1. Specifically, the orientation rotating member 211 may be connected to the cloth threading rod 1 through the holding unit 31. In the embodiment of the present invention, the directional rotation member 211 includes at least one of a one-way bearing and an escapement structure (for example, an escapement claw). Therefore, the directional rotating member 211 can drive the cloth threading rod 1 to rotate in a predetermined single direction to perform the action of winding and winding materials, without turning the cloth material in the other direction to loosen the cloth threading rod 1 Take off. In FIG. 6, the directional rotating member 211 includes a one-way bearing.

The connecting member 212 is connected to the directional rotating member 211 and is used to connect with the driving element of the web joining device, so that the cloth threading rod 1 drives the web material to be transferred to the joining platform of the web joining device. Specifically, as shown in FIG. 6, the connecting member 212 may have a long rod-shaped structure, one end of which is connected to the orienting rotating member 211. Therefore, the connecting member 212 can drive the cloth threading rod 1 through the orienting rotating member 211, and the retracting member 212 Roll-like materials rolled on the cloth threading rod 1. The other end of the connecting member 212 may have a perforation or other fixing structure, so that it can be connected to the driving element of the web joining device. In the embodiment of the present invention, the driving element may be a chain assembly.

Please refer in particular to Figure 6. In the embodiment of the present invention, the two locking units 21 and 22 may further include a housing 213, an elastic buffer 214, and an outer cover 215, respectively. The housing 213 is formed with an accommodating space, and the accommodating space is used for accommodating other components of the locking units 21 and 22. Specifically, the elastic buffer member 214 is sleeved on the first portion 212A of the connecting member 212, and the first portion 212A of the connecting member 212 and the elastic buffer member 214 are located in the accommodating space. In a preferred embodiment of the present invention, the elastic buffer member 214 is a spring. Although in FIGS. 5 and 6, the elastic buffer member 214 is shown in the form of a spring, in other embodiments, the elastic buffer member 214 may also adopt other equivalent elements. Through the arrangement of the elastic buffer member 214, when the cloth threading rod 1 is driven by the driving element and the connecting member 212, the swing or vibration caused by mechanical operation will not affect the roll material wound on the cloth threading rod 1. . For example, the elastic buffer member 214 can absorb the left and right swinging force of the connecting member 212, so that the roll material will not be pulled due to the shaking or vibration, which may damage the body of the material or affect the manufacturing process. Manufacturing process in.

Please also refer to Figure 5 and Figure 6. The outer cover 215 is connected to the housing 213 and has a through hole 2151. The second part 212B of the connecting member 212 is located outside the accommodating space through the perforation 2151, and is used to connect with the coil joining device. In detail, as described above, the second portion 212B of the connecting member 212 may have a hole for connecting with the driving element of the web joining device. Please refer to Figure 4 and Figure 6. In a preferred embodiment of the present invention, the housing 213 and the outer cover 215 are locked to each other by a locking element such as at least two screws S. For example, in FIG. 4, the housing 213 and the outer cover 215 It is locked to each other by four screws S.

Next, the application of the above-mentioned cloth guide device will be described. Please refer to FIG. 7, which is a schematic diagram of the application of the cloth guide device provided by the embodiment of the present invention. As shown in Figure 7, the roll material F from the unwinding machine R penetrates the cloth threading rod 1 of the cloth guide G along the feeding direction D, and is wound and fixed to the cloth threading rod by the rotation of the directional rotating member 211 1 on. The cloth threading rod 1 is connected to a driving element C such as a chain assembly of the web joining device through the locking assembly 2. In this way, the roll material F wound on the cloth threading rod 1 can be transferred to On the joining platform J of the coil joining equipment, the coil joining procedure is performed.

Referring to FIG. 8, an embodiment of the present invention also provides a method for operating a cloth guide device, including: providing a cloth guide device (step S800); passing the roll material F through the through structure 11 of the cloth threading rod 1 (step S802 ); The cloth threading rod 1 is driven to rotate in a single predetermined direction by the directional rotating member 211 of the locking assembly 2 so that the roll material F is wound on the cloth threading rod 1 (step S804); through the connecting piece of the locking assembly 2 212 to drive the cloth threading rod 1 and the roll material F, so that the roll material F is transferred to the bonding platform J of the web joining device (step S806); and the roll material F and the base material are combined by the web joining device Engage (step S808).

In fact, the cloth guiding device used in the operating method provided by the embodiment of the present invention is the cloth guiding device G provided above. Therefore, the detailed structure of the cloth guiding device G and the operation relationship of each component will not be described in detail here. For the operation method provided by the embodiment of the present invention, in step S802, it may include manually putting the roll material F, for example, the roll material F from the unwinding machine R, on the cloth threading rod along the feeding direction D. In the penetrating structure 11 of 1, that is, the roll-type material F is passed through the penetrating structure 11 through the two elongated openings 111 and 112. Next, in step S804, the cloth threading rod 1 is driven to rotate in a single predetermined direction by the orientation rotating member 211 of the locking assembly 2, such as a one-way bearing, so that the roll material F is wound on the cloth threading rod 1. The aforementioned single predetermined direction is the same direction as the rotation direction of the unwinder R, and this action can be done manually. At this time, the roll material F can be around the outer diameter of the cloth threading rod 1 for 2 to 3 turns, and at the same time, it is fixed on the cloth threading rod 1 by the friction between the roll material F and the outer surface of the cloth threading rod 1. . Or, in this step, after manually judging that the roll material F discharged by the unwinding machine R has been leveled between the unwinding machine R and the cloth threading rod 1, the cloth threading rod 1 can be placed on the coil joint On the device, the drive element C of the web joining device is connected and driven.

Next, in step S806, the cloth threading rod 1 and the roll material F are driven by the connecting member 212 of the locking assembly 2, so that the roll material F is transferred to the joining platform J of the web joining device, and in step In S808, the roll material F and the base material are joined by the roll material joining device. As shown in Figure 7, the roll material F and the cloth threading rod 1 are driven to the roll joining device together. In the embodiment of the present invention, a sensing device may be provided at the joining platform of the web joining equipment. When the web material F is conveyed to an appropriate joining position, based on the signal sensed by the sensing device, the driving element C can stop operating , Drive the joining platform J down to complete the coil joining operation. In some embodiments, it is also possible to manually determine the time point for joining the coils.

In summary, the main technical means of the present invention is that the cloth guiding device G for web joining equipment and its operation method provided by the embodiments of the present invention are designed through the cloth threading rod 1 and the locking assembly 2. So that the roll material F can pass through the cloth threading rod 1 and be fixed on the cloth threading rod 1 after being rotated by the directional rotating member 211 of the locking assembly 2 and fixed on the cloth threading rod 1 in accordance with the design of the connecting member 212 of the locking assembly 2 The subsequent roll material F is transferred to the roll material joining equipment for the joining process. In this way, the cloth guiding device G and its operation method provided by the present invention have the remarkable effects of simple operation, reducing error rate, avoiding industrial safety problems, and improving production efficiency.

In detail, in the cloth guiding device G provided by the embodiment of the present invention, the through structure 11 is used for the roll material F to pass through, and then the directional rotating member 211 (such as a one-way bearing) is used to move toward a predetermined direction (clockwise). Or counterclockwise) rotation. In this way, after the roll material F is wound on the cloth threading rod 1 for 2 to 3 times, the cloth head of the roll material F is The position can be stably held on the cloth threading rod 1. Then, the cloth threading rod 1 together with the roll material F is driven to the web joining device through the connecting member 212, and the joining process can be performed in cooperation with the joining platform of the web joining device. In the above device and operation process, no additional jigs are needed to fix the roll material F on the cloth threading rod 1, and there is no need for the prior art (for example, the cloth guiding device G'shown in Figure 1). The roll material F is manually locked and clamped in the cloth guide device by means of screws or the like, and there is no need to specially design holes 11', cone needle 21' and other structures for clamping and fixing the roll material F.

Based on the above, according to this, compared with the prior art, the cloth guiding device G and its operation method provided by the embodiments of the present invention can obviously provide a simpler operation process, and it can be excluded that components such as screws are not locked, etc. Circumstances caused the shortcomings of loose roll material F. Furthermore, the cloth guiding device G provided by the embodiment of the present invention may further include an elastic buffer member 214, which can effectively absorb unstable, undesired displacement or yaw force from the driving element C such as a chain assembly. In turn, it is ensured that the cloth guiding device G can operate stably.

Although the embodiments of the present invention are disclosed in the above-mentioned more detailed manner, those with ordinary knowledge in the technical field to which the present invention belongs can understand that various modifications of the present invention can be made without departing from the scope of the present invention defined in the appended patent application. Proceed under. Therefore, further modifications of the examples of the present invention will not deviate from the technical scope of the present invention.

G, G’: cloth guide device 1’: Square tube 11’: Hole 12’: Tooth hole 2’: Folded board 21’: Cone needle 1: wear cloth rod 11: Through structure 111,112: Slender opening 2: Locking components 21, 22: Locking unit 211: Directional rotating parts 212: Connector 212A: Part One 212B: Part Two 213: Shell 214: Elastic buffer 215: Outer cover 2151: Piercing 3: holding components 31, 32: Holding unit D: Feeding direction L1, L2: length W1: width R: Unwinding machine F: Roll material C: Drive element J: Joint platform S: Screw

Figure 1 is a schematic diagram of a prior art cloth guiding device.

Fig. 2 is a three-dimensional schematic diagram of a cloth guide device provided by an embodiment of the present invention.

Fig. 3 is a schematic side view of a cloth guide device provided by an embodiment of the present invention.

Fig. 4 is a schematic front view of a cloth guide device provided by an embodiment of the present invention.

Fig. 5 is an exploded schematic view of the locking assembly of the cloth guide device provided by the embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a locking assembly of a cloth guide device provided by an embodiment of the present invention.

Fig. 7 is a schematic diagram of the application of the cloth guiding device provided by the embodiment of the present invention.

Fig. 8 is a flowchart of an operation method of a cloth guide device provided by an embodiment of the present invention.

G: cloth guide device

1: wear cloth rod

2: Locking components

21, 22: Locking unit

3: holding components

31, 32: Holding unit

D: Feeding direction

Claims (10)

A cloth guiding device for coil joining equipment, which comprises: A cloth threading rod, which is a round tube with a through structure, the through structure penetrates the tube wall of the round tube and forms two slender openings corresponding to each other on both sides of the round tube, and the The through structure is used for a roll of material to pass through; and A locking assembly, which includes two locking units respectively located at both ends of the cloth threading rod, and the two locking units respectively include: A directional rotating member is connected to the cloth threading rod, and the directional rotating member is used to rotate the cloth threading rod in a single predetermined direction, so that the roll material is rolled in the threading rod. On the cloth pole; and A connecting piece, which is connected to the directional rotating piece, and the connecting piece is used to connect with a driving element of a roll joining device, so that the cloth threading rod drives the roll material to be It is transferred to a joining platform of the coil joining equipment. The cloth guiding device for web joining equipment according to claim 1, wherein the web material passes through the through structure along a feeding direction, and the two elongated holes are in the The feeding directions correspond to each other. The cloth guiding device for web joining equipment according to claim 1, wherein the directional rotating member includes at least one of a one-way bearing and an escapement structure. The cloth guiding device for web joining equipment according to claim 1, wherein the two elongated openings respectively have an opening length between 1200 mm and 1700 mm and a length between 12 mm and 20 mm The width of the opening between. The cloth guiding device for web joining equipment according to claim 1, wherein the cloth threading rod has a tube length between 1300 mm and 1800 mm and an outer diameter between 32 mm and 45 mm. path. The cloth guiding device for web joining equipment according to claim 1, wherein the two locking units respectively further include: A shell, which is formed with an accommodating space; An elastic buffering member sleeved on a first part of the connecting member, the first part of the connecting member and the elastic buffering member are located in the accommodating space; and An outer cover, which is connected to the housing and has a perforation, a second part of the connecting member is located outside the accommodating space through the perforation and is used for interconnecting with the coil joining device . The cloth guiding device for web joining equipment according to claim 6, wherein the elastic buffer member is a spring. The cloth guiding device for web joining equipment according to claim 6, wherein the housing and the outer cover are locked to each other by a locking element. The cloth guiding device for web joining equipment according to claim 1, further comprising a holding assembly, which includes two holding units respectively connected between the cloth threading rod and the locking assembly. An operating method of a cloth guiding device, the operating method includes: A cloth guiding device is provided, and the cloth guiding device includes: A cloth threading rod, which is a circular tube with a through structure, the through structure penetrates the tube wall of the circular tube and forms two elongated openings corresponding to each other on both sides of the circular tube; and A locking assembly, which includes two locking units respectively located at both ends of the cloth threading rod, and the two locking units respectively include: A directional rotating member connected to the cloth threading rod, and the directional rotating member is used to rotate the cloth threading rod in a single predetermined direction; and A connecting piece, which is connected to the directional rotating piece, and the connecting piece is used to connect with a coil joining device; Pass a roll of material through the through structure of the cloth threading rod; Drive the cloth threading rod to rotate in the single predetermined direction by the directional rotating member of the locking assembly, so that the roll material is wound on the cloth threading rod; The cloth threading rod and the roll material are driven by the connecting piece of the locking assembly, so that the roll material is transferred to a joining platform of the roll joining device; and The roll material and a base material are joined by the roll material joining device.

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