Method and device for weaving safety lead during punching and lead inserting

Abstract

The invention discloses a method and a device for weaving a safety lead during punching and lead inserting. The device comprises a punching and lead inserting device body mounted on a movable machine head, the punching and lead inserting device body is provided with a safety lead conveying mechanism, a cutting mechanism and a lead shifting mechanism. The lead shifting mechanism comprises a first lead shifting fork and a second lead shifting fork which are arranged side by side in the left-right direction and move front and back. The safety lead conveying mechanism conveys a safety lead to the cylinder row, the safety lead and the inverted-U-shaped lead section are arranged in parallel front and back, and the safety lead penetrates through the first shifting fork and the second shifting fork; the safety lead cutting mechanism is located on the right side of the first lead shifting fork and cuts off the safety lead after punching, lead inserting and weaving of the safety lead are completed in one barrel row. Safety lead weaving work can be completed while punching and lead inserting are carried out. The processing efficiency is effectively improved, and the labor load of manual operation of the safety lead braiding work is avoided.

Description

Technical Field

[0001] This invention relates to a punching and inserting device for a fireworks assembly machine, and more particularly to a punching and inserting device for an assembly machine with added safety lead installation function. Background Technology

[0002] The punching and insertion device is used in the assembly machine for producing combination fireworks. After years of technological iteration, the current assembly machine is widely used in production practice.

[0003] The punching and insertion device is mounted on the moving head of the left-right translation mechanism. The moving head is located above the paper rolls (composed of several paper rolls arranged side by side). The moving head includes an integrated guiding mechanism consisting of a punching needle, a lead feeding mechanism, a lead cutting mechanism, lead guide grooves located on both sides of the pressure tongue block, a telescopic stop located below the pressure tongue block, a base plate, and a cover plate. The base plate of the integrated guiding mechanism has vertical guide holes for the double-headed punching needle to pass through; the mating surfaces of the base plate and the cover plate have vertical limiting guide cavities for the lead guide grooves to pass through and horizontal gaps for the lead wires to pass through; the base plate or cover plate has a front-back stop passage hole for the stop to pass through.

[0004] Its working principle is as follows: The punching mechanism, consisting of a punching cylinder and two punching needles, processes two lead wire holes on two adjacent paper tubes in the tube bank (in this invention, these two lead wire holes are called lead wire hole groups). The lead wire conveying mechanism conveys the burnt lead wire to the space between the pressing tongue block and the telescopic stop below. The cutting blade cuts the burnt lead wire, and the middle part of the cut lead wire segment is held between the descending pressing tongue block and the forward-extending stop. Then, the lead wire guide grooves on both sides of the pressing tongue block move downward, bending the two ends of the lead wire segment into an inverted U-shape on the stop. The two feet of the inverted U-shaped lead wire segment are embedded in the lead wire guide groove. When the lead wire guide groove descends and approaches the paper tube, the stop retracts. Under the pressure of the compression spring, the pressing tongue block pushes the two feet of the inverted U-shaped lead wire segment into the lead wire hole group respectively. After completing one insertion operation, the left and right translation mechanism drives the moving head to move laterally along the tube bank to the next station for punching and insertion again, until the punching and insertion of the entire tube bank is completed. The inverted U-shaped lead segment is used to complete the ignition work between the two paper tubes, hence it is also called the ignition lead.

[0005] The working principle of existing punching and insertion devices can also be found in Chinese invention patent document CN 105486179 A, ​​published on April 13, 2016, entitled "A punching and insertion device for a fireworks tube"; Chinese invention patent document CN 117490502 A, published on February 2, 2024, entitled "A flexible punching and insertion device for a fireworks assembly and its insertion method"; and Chinese invention patent document CN 217716153 U, published on November 1, 2022, entitled "An integrated guiding mechanism for a punching and insertion device for a fireworks tube," etc. This invention cites the above patent documents in full.

[0006] After the existing punching and ignition process is completed, adjacent paper tubes are connected in pairs via inverted U-shaped fuse segments. The ignition path of the entire tube array requires the participation of the gunpowder inside the paper tubes. Only when the gunpowder in each paper tube ignites successfully without misfire can the ignition of the entire tube array be completed via the inverted U-shaped fuse segments. Otherwise, a misfire will occur. However, a combination firework consists of multiple tube arrays, each containing multiple paper tubes, with a large number of paper tubes (e.g., 888 or 999 firework, each firework corresponding to one paper tube). Although the probability is low, it is difficult to completely eliminate misfires caused by malfunctions (such as moisture). In current firework production, to ensure that combination fireworks do not experience misfires, a safety fuse is added to the fireworks. Specifically, on the firework tube array after punching and ignition, a long fuse is woven into the exposed arc top of each inverted U-shaped fuse segment, and the long fuse maintains contact with each arc top for ignition (this is called safety fuse weaving). During ignition, the long lead and the inverted U-shaped lead section burn together to perform the function of ignition transmission. When a faulty paper tube fails to ignite, the long lead continues to ignite the next inverted U-shaped lead section. This not only maintains ignition transmission but also allows the faulty paper tube to be re-ignited through the next inverted U-shaped lead section, thus playing a role in ensuring ignition transmission. Therefore, this long lead is called the safety lead.

[0007] The drawback of existing punching and insertion devices is that they cannot complete the installation of safety leads, which means that the safety lead braiding work needs to be done manually, resulting in low efficiency and a heavy labor load. Summary of the Invention

[0008] To overcome the aforementioned drawbacks, the technical problem this invention aims to solve is to complete the braiding of the safety lead wire simultaneously with drilling and insertion. The technical solution adopted by this invention to solve the above-mentioned technical problem is...

[0009] A method for completing the braiding of the safety lead during the punching and insertion process, the method comprising the following steps:

[0010] When the machine starts working, the moving head of the punching and inserting device is located at the starting position. The moving head is equipped with a safety lead conveying mechanism, a safety lead cutting mechanism, and a guiding mechanism. The guiding mechanism includes a first guiding fork and a second guiding fork arranged side by side. The first guiding fork and the second guiding fork are respectively connected to a guiding drive component to move back and forth. The safety lead cutting mechanism is set up corresponding to the safety lead. The safety lead conveying mechanism feeds in a section of safety lead. The safety lead is conveyed to the cylinder and arranged side by side with the inverted U-shaped lead section. The safety lead passes through the first guiding fork and the second guiding fork.

[0011] S1. After entering the workstation, the first shift fork is located on one side of the lead wire hole group, and the second shift fork is located on the other side of the lead wire hole group; the second shift fork does not move, and the first shift fork drives the safety lead wire to move to form the first intersection segment that intersects with the position of the inverted U-shaped lead wire segment.

[0012] S2. The main body of the punching and insertion device completes the punching and insertion work, and the inverted U-shaped lead wire segment of the inserted tube lead wire hole group is pressed on the first cross section; the first deflector fork is reset;

[0013] S3. The moving machine head moves one station. During the movement, the safety lead conveying mechanism feeds in another section of safety lead, keeping the end of the safety lead stationary. The first guide fork does not move, and the second guide fork drives the safety lead to move to form the second intersection segment with the inverted U-shaped lead segment.

[0014] S4. The main body of the punching and insertion device completes the punching and insertion work again, and the inverted U-shaped lead segment inserted into the lead hole group is pressed on the second cross section; the second fork is reset.

[0015] S5. Repeat S1 to S4 until the entire cylinder is punched, inserted, and the safety lead is braided. Move the moving head to the end position, and the safety lead cutting mechanism cuts the safety lead, completing the processing of one cylinder. Move the moving head back to the starting position and repeat steps S1 to S5 to process the next cylinder.

[0016] A device for completing the braiding of safety leads during punching and insertion includes a punching and insertion device body mounted on a moving head. The punching and insertion device body includes a fire-resistant lead feeding mechanism for creating inverted U-shaped lead segments, a fire-resistant lead cutting mechanism, a punching needle, lead guide grooves located on both sides of a pressing tongue block, a telescopic stop located below the pressing tongue block, and an integrated guiding mechanism composed of a base plate and a cover plate. The device body is characterized by having a safety lead feeding mechanism, a safety lead cutting mechanism, and a lead-pulling mechanism.

[0017] The guiding mechanism includes a first guiding fork and a second guiding fork arranged side by side on the left and right sides of the cover plate. The first guiding fork and the second guiding fork are respectively connected to a guiding drive component to move back and forth.

[0018] The safety lead conveying mechanism conveys the safety lead to the cylinder bar, which is arranged in parallel with the inverted U-shaped lead section. The safety lead passes through the first and second shift forks.

[0019] The safety lead cutting mechanism is configured to cut the safety lead after drilling, inserting, and braiding a tube.

[0020] The beneficial effect of this invention is that it can complete the fuse lead braiding work simultaneously with punching and inserting the lead. This effectively improves processing efficiency and avoids the labor burden of manually braiding the fuse leads.

[0021] The safety lead and the inverted U-shaped lead segment are arranged side by side. To ensure that the safety lead is moved to form the intersection segment, the distance between them is small. After the first fork resets, during the movement of the moving machine head to the left to the next station, the rear of the first fork is prone to touching the already inserted inverted U-shaped lead segment, causing motion interference. To avoid this motion interference, in one embodiment, the first fork consists of a front fork body and a rear fork body. The front fork body is connected to the actuation drive, and the rear fork body is connected to the avoidance drive. During the movement of the first fork to the next station with the moving machine head, the avoidance drive drives the rear fork body to retract to avoid motion interference. After reaching the next station, it resets and cooperates with the second fork in step 3 above to complete the processing of the second intersection segment.

[0022] In one embodiment, the safety lead conveying mechanism includes a lead coil of safety lead, a clamping and feeding wheel assembly, and a guide channel. The safety lead drawn from the lead coil is conveyed by the clamping and feeding wheel assembly along the guide channel to the drum.

[0023] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0024] It should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention.

[0025] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0026] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0027] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening 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 possible implementation. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the structure of the tube array with punched insertion leads and braided safety leads as shown in Example 1;

[0029] Figure 2 This is a schematic diagram of the overall structure of the device in Example 1 (the moving head is located on the right side of the cylinder).

[0030] Figure 3 This is a schematic diagram of the overall structure of the device in Example 1 (the fuse wire cutting mechanism has been removed).

[0031] Figure 4 for Figure 3 A partially enlarged structural diagram (the overheated lead wire cutting mechanism 102 has been removed).

[0032] Figure 5 for Figure 3 A partially enlarged structural diagram (without cover plate 108, fire-induced lead wire cutting mechanism 102, and inverted U-shaped lead wire segment 2).

[0033] Figure 6 for Figure 3 A partially enlarged structural schematic diagram (with the cover plate 108 and the fire-resistant lead wire cutting mechanism 102 removed, showing the inverted U-shaped lead wire segment 2).

[0034] Figure 7 This is a schematic diagram of the cooperative structure of the base plate, the first shift fork, the second shift fork, and the safety lead cutting mechanism in Embodiment 1.

[0035] Figure 8 This is a schematic diagram of the overall structure of the device in Example 1 (the moving head has been moved from the right side of the cylinder to the left side of the cylinder).

[0036] Figure 9 for Figure 8 A partially enlarged structural diagram.

[0037] Figure 10 This is a schematic diagram of the cooperative structure of the first guide fork, the second guide fork, and the safety lead cutting mechanism in Embodiment 2. Detailed Implementation

[0038] Example 1: See Appendix Figure 1-9 The specific structure of a punching and inserting device with a safety lead braiding function will be described in conjunction with the following description.

[0039] like Figure 1 The example tube array consists of ten paper tubes 1, which are named A, B, C, D, E, F, G, H, I, and J from right to left. The device works by machining two lead holes (called lead hole groups) on each of two adjacent paper tubes (e.g., AB, BC, CD, DE, EF… IJ). These two lead holes are inserted into the two ends of the inverted U-shaped lead segments 2 to achieve flame transfer between the two paper tubes 1. Simultaneously, a safety lead is woven in: a safety lead 3 is woven into the exposed arc tops of the nine inverted U-shaped lead segments 2. The safety lead 3 maintains contact with the nine arc tops to ensure flame transfer.

[0040] The device includes a punching and inserting device body mounted on a moving head 100. The moving head 100 is mounted on a left-right translation mechanism, which includes a motor-driven lead screw assembly and a guide assembly. Driven by the lead screw assembly, the moving head 100 translates left and right along the guide assembly.

[0041] In the example, the main body of the punching and insertion device includes a conveying mechanism 101 for making the inverted U-shaped lead segment 2 and the fire-resistant lead 4, a fire-resistant lead cutting mechanism 102, a punching needle 103, lead guide grooves 105 located on both sides of the pressing tongue block 104, and a telescopic stop 106 located below the pressing tongue block 104; and an integrated guiding mechanism consisting of a base plate 107 and a cover plate 108. The punching and insertion device completes the punching and insertion work in the existing manner, which will not be described in detail here.

[0042] The main body of the punching and insertion device is also equipped with a safety lead feeding mechanism 200, a safety lead cutting mechanism 300, and a pulling mechanism 400.

[0043] In the example, the safety lead conveying mechanism 200 includes a lead coil of safety lead 3, a clamping and feeding wheel group 201, and a guide channel 202. The safety lead 3 drawn from the lead coil is conveyed by the clamping and feeding wheel group 201 along the guide channel 202 to the drum. The safety lead 3 on the drum is arranged side by side with the arc top of the inverted U-shaped lead segment 2 after it is inserted into the lead hole group.

[0044] The guiding mechanism 400 includes a first guiding fork and a second guiding fork 401 arranged side by side. When the safety lead conveying mechanism 200 conveys the safety lead 3 to the drum, the safety lead 3 passes through the fork of the first guiding fork and the second guiding fork.

[0045] In this example, the first shift fork consists of a front fork body 402 and a rear fork body 403. The first shift fork is positioned on the right side of the lead wire hole group, and the second shift fork 401 is positioned on the left side of the lead wire hole group. In this example, the first shift fork and the second shift fork are located on the left and right sides of the cover plate 108, respectively.

[0046] In the example, the second shift fork 401 is connected to the second shift cylinder 404 for back-and-forth movement; in the first shift fork, the front fork body 402 is connected to the first shift cylinder 405, and the rear fork body 403 is connected to the avoidance cylinder 406. Specifically, the upper ends of the front fork body 402 and the rear fork body 403 are hinged to a hinge shaft 407, and the front fork body 402 and the rear fork body 403 swing back and forth around the hinge shaft 407 under the drive of the cylinder. In the example, the upper end of the second shift fork 401 is also hinged to the hinge shaft 407, and the second shift fork 401 swings back and forth around the hinge shaft 407 under the drive of the second shift cylinder 404.

[0047] In this example, the safety lead cutting mechanism 300 includes a cutter 302 driven by a cutting cylinder 301, and an anvil 303 corresponding to the cutter 302. In this example, the safety lead cutting mechanism 300 is located to the right of the first guide fork, and cuts the safety lead after punching, inserting, and braiding the safety lead in a spool. At this time, the moving head 100 has moved from the right side of the spool to the left side. In other embodiments, the safety lead cutting mechanism 300 may also be located at other positions along the lead's path.

[0048] The workflow of the above technical solution is as follows:

[0049] At the start of operation, the moving head 100 is positioned at the starting station near the right side of the drum, and the safety lead conveying mechanism 200 feeds in a section of safety lead 3.

[0050] S1. The second fork 401 on the left does not move, fixing the left side of the safety lead 3. The first fork on the right moves the right side of the safety lead 3 backward. The two forks work together to form the first intersection segment 31 that intersects with the position of the inverted U-shaped lead segment 2 (referred to as the towing process).

[0051] S2. The main body of the punching and insertion device performs the punching and insertion work in accordance with the existing technology. The inverted U-shaped lead wire segment 2 of the insertion tube lead wire hole group is pressed on the first cross section 31; the first deflector fork is reset.

[0052] S3. The moving head 100 moves one station to the left. During the movement, the safety lead conveying mechanism 200 feeds in another section of safety lead 3, keeping the right end of the safety lead 3 stationary (not moving with the moving head 100); the first guide fork on the right side, which has been reset, does not move, fixing the right side of the safety lead 3; the second guide fork 401 on the left side drives the left side of the safety lead 3 to move backward, forming the second intersection segment 32 at the location of the inverted U-shaped lead segment 2;

[0053] S4. The main body of the punching and insertion device completes the punching and insertion work again, and the inverted U-shaped lead segment 2 inserted into the lead hole group is pressed on the second cross section 32; the second deflector fork 401 is reset;

[0054] S5. Repeat S1 to S4 until the entire cylinder is punched, inserted, and the safety lead is braided. The moving head 100 is located at the end position near the left side of the cylinder. The safety lead cutting mechanism 300 cuts the safety lead 3, completing the processing of one cylinder. The moving head 100 returns to the starting position, sends away the processed cylinder, and sends in the next cylinder. The next cylinder is processed again according to the above steps S1 to S5.

[0055] In the above process, the safety lead 3 and the inverted U-shaped lead segment 2 are arranged side by side. In order to ensure that the safety lead 3 is moved to form the cross segment, the side-by-side distance between the two is small. After the first fork is reset, during the process of moving to the left with the moving machine head 100 to the next station, the rear of the first fork may touch the already inserted inverted U-shaped lead segment 2, which may cause motion interference.

[0056] To avoid motion interference, in this example, the first fork consists of a front fork body 402 and a rear fork body 403. The front fork body 402 is connected to the first actuation cylinder 405, and the rear fork body 403 is connected to the avoidance cylinder 406. During the actuation process, the first actuation cylinder 405 and the avoidance cylinder 406 drive the front and rear forks to move backward synchronously with the lead wire to form the first cross section 31. Then, the front fork body 402 returns to its original position. During the movement of the first fork body to the left to the next work station, the rear fork body 403 remains in a rearward position and does not return to its original position to avoid motion interference. After reaching the next work station, the rear fork body 403 returns to its original position. In step S3, the right side of the safety lead wire 3 is fixed, and it cooperates with the second fork body 401 on the left to complete the processing of the second cross section 32.

[0057] In other embodiments, the first fork may not be divided into front and rear forks, and its structure is similar to that of the second fork 401.

[0058] In the example, the moving head moves left and right in the horizontal direction. In other embodiments, the moving head can also move up and down in the vertical direction.

[0059] As can be seen from the above, the punching and insertion device provided by the technical solution can complete the braiding of the safety lead while punching and inserting the lead. This effectively improves processing efficiency and avoids the labor burden of manually operating the braiding of the safety lead.

[0060] Example 2: See Appendix Figure 10 This illustrates another specific structure of the present invention. The difference from Embodiment 1 is that, in this example, the second fork can also be divided into a front fork body 4011 and a rear fork body 4012. The front fork body 4011 is still driven by the second actuating cylinder 404, and the rear fork body 4012 is driven by an additional rear fork clearance cylinder 4013. Its structure and operation are similar to the first fork 401 of Embodiment 1, and will not be described again.

[0061] The embodiments of the present invention disclosed above are merely illustrative of the invention. The embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and describes these embodiments in conjunction with the accompanying drawings to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. However, the invention can be implemented in many ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the invention. Therefore, the invention is limited only by the claims and their full scope and equivalents, and not by the specific embodiments disclosed.

Claims

1. A method for completing the braiding of the safety lead during the punching and insertion process, characterized in that, The method includes the following steps: When the machine starts working, the moving head of the punching and inserting device is located at the starting position. The moving head is equipped with a safety lead conveying mechanism, a safety lead cutting mechanism, and a guiding mechanism. The guiding mechanism includes a first guiding fork and a second guiding fork arranged side by side. The first guiding fork and the second guiding fork are respectively connected to a guiding drive component to move back and forth. The safety lead cutting mechanism is set up corresponding to the safety lead. The safety lead conveying mechanism feeds in a section of safety lead. The safety lead is conveyed to the cylinder and arranged side by side with the inverted U-shaped lead section. The safety lead passes through the first guiding fork and the second guiding fork. S1. After entering the workstation, the first shift fork is located on one side of the lead wire hole group, and the second shift fork is located on the other side of the lead wire hole group; the second shift fork does not move, and the first shift fork drives the safety lead wire to move to form the first intersection segment that intersects with the position of the inverted U-shaped lead wire segment. S2. The main body of the punching and insertion device completes the punching and insertion work, and the inverted U-shaped lead wire segment of the inserted tube lead wire hole group is pressed on the first cross section; the first deflector fork is reset; S3. The moving machine head moves one station. During the movement, the safety lead conveying mechanism feeds in another section of safety lead, keeping the end of the safety lead stationary. The first guide fork does not move, and the second guide fork drives the safety lead to move to form the second intersection segment with the inverted U-shaped lead segment. S4. The main body of the punching and insertion device completes the punching and insertion work again, and the inverted U-shaped lead segment inserted into the lead hole group is pressed on the second cross section; the second fork is reset. S5. Repeat S1 to S4 until the entire cylinder is punched, inserted, and the safety lead is braided. Move the moving head to the end position, and the safety lead cutting mechanism cuts the safety lead, completing the processing of one cylinder. Move the moving head back to the starting position and repeat steps S1 to S5 to process the next cylinder.

2. The method for completing the braiding of the safety lead during drilling and insertion as described in claim 1, characterized in that, During the first shift of the fork as it moves with the moving machine head to the next station, the avoidance drive component causes the rear fork to retract, and it resets after reaching the next station.

3. A device for completing the braiding of safety leads during punching and insertion, comprising a punching and insertion device body mounted on a moving head, the punching and insertion device body comprising a fire-resistant lead conveying mechanism for making inverted U-shaped lead segments, a fire-resistant lead cutting mechanism, a punching needle, lead guide grooves located on both sides of the pressing tongue block, a telescopic stop located below the pressing tongue block, and an integrated guide mechanism composed of a base plate and a cover plate; characterized in that, The main body of the punching and insertion device is equipped with a safety lead feeding mechanism, a safety lead cutting mechanism, and a lead-pulling mechanism. The guiding mechanism includes a first guiding fork and a second guiding fork arranged side by side on the left and right sides of the cover plate. The first guiding fork and the second guiding fork are respectively connected to a guiding drive component to move back and forth. The safety lead conveying mechanism conveys the safety lead to the drum and passes it through the first and second shift forks; The safety lead cutting mechanism is configured to cut the safety lead after drilling, inserting, and braiding a tube.

4. The device for completing the braiding of the safety lead during drilling and insertion as described in claim 3, characterized in that, The first and / or second shift forks consist of a front fork body and a rear fork body, with the front fork body connected to the shifting drive and the rear fork body connected to the avoidance drive.

5. The device for completing the braiding of the safety lead during drilling and insertion as described in claim 3 or 4, characterized in that, The safety lead conveying mechanism includes a lead coil of safety lead, a clamping and feeding wheel assembly, and a guide channel. The safety lead drawn from the lead coil is conveyed to the drum along the guide channel by the clamping and feeding wheel assembly.

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