Variable cross-section composite braiding platform and braiding apparatus

Abstract

The application relates to the technical field of braiding machines, in particular to a variable-section composite braiding platform and a braiding device, which comprises a platform body and a spindle arranged on the platform body, a braiding device is arranged on the platform body, the braiding device comprises a braiding track arranged on the platform body and used for the round-flat type thread braiding movement of the spindle, a track reversing assembly arranged on the braiding track, a dial assembly arranged on the platform body and a driving assembly used for driving the rotation of the dial assembly, and the braiding track comprises a closed-loop "8" track one and a one-letter "8" track two. The application has the possibility of meeting the needs of users to braid round-flat type threads, thereby improving the convenience of using the braiding platform, and is especially suitable for the braiding of surgical sutures for the repair of soft tissues such as tendons and ligaments.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of braiding machines, in particular to a variable cross-section composite braiding platform and a braiding device. BACKGROUND

[0002] At present, the variable cross-section braiding line is generally a braiding line with both circular suture lines and flat suture lines, which is commonly used for medical suture lines for hemostasis, suture hemostasis and tissue suture, and the quality level plays a crucial role in the success of the operation. The variable cross-section braiding line is usually a round-flat type line, which is a line with circular and flat shapes appearing alternately on a line, and is braided by a braiding platform.

[0003] The existing braiding platform usually includes a spindle, a circular braiding mechanism or a flat braiding mechanism. The circular braiding mechanism is used for the spindle with yarn to run and stagger along a closed loop "8" track, and the "8" track is arranged according to the pitch circle. The spindle with yarn staggered braiding product cross-section is cylindrical. The flat braiding structure is used for the spindle with yarn to run and stagger along a one-dimensional "8" track, and the "8" track is not arranged according to the integral circle. The spindle with yarn staggered braiding product cross-section is flat. When braiding the line, if the braiding cross-section is circular, the circular braiding mechanism is used for braiding, and if the braiding cross-section is flat, the flat braiding mechanism is used for braiding.

[0004] The related technology in the above has the following defects: in the braiding process by the circular braiding machine and the flat braiding machine, only one circular line or one flat line can be braided, the possibility of meeting the needs of users to braiding round-flat type lines is small, and the use of the braiding platform is not convenient. SUMMARY

[0005] In order to improve the possibility of meeting the needs of users to braiding round-flat type lines, and thus improve the convenience of using the braiding platform, the present application provides a variable cross-section composite braiding platform and a braiding device.

[0006] In the first aspect, the present application provides a variable cross-section composite braiding platform, which adopts the following technical scheme:

[0007] The variable cross-section composite braiding platform comprises a platform body and a spindle arranged on the platform body. The platform body is provided with a braiding device. The braiding device comprises a braiding track arranged on the platform body and used for the spindle to perform round-flat type line braiding movement, a track reversing assembly arranged on the braiding track, a dial assembly arranged on the platform body, and a driving assembly used for driving the dial assembly to rotate. The braiding track comprises a closed loop "8" track one and a one-dimensional "8" track two.

[0008] By adopting the technical scheme, the spindle runs on the closed loop "8" shaped track I to weave the flat wire, and then the track reversing assembly switches to the closed loop "8" shaped track II to weave the round wire, so that the round wire and the flat wire can be woven on one wire, the possibility of meeting the needs of users to weave the round and flat wire is improved, and the convenience of using the weaving platform is improved. It is especially suitable for surgical suture line weaving for soft tissue repair such as tendon and ligament in sports medicine.

[0009] Optionally, the dial assembly comprises a plurality of three-groove dials, a plurality of four-groove dials and a six-groove dial rotatably fitted on the platform body.

[0010] By adopting the technical scheme, the spindle can run along the three-groove dial, the four-groove dial and the six-groove dial, so as to realize weaving of the round and flat wire.

[0011] Optionally, the driving assembly comprises a plurality of driven gears rotatably fitted on the platform body and used to drive the dial assembly to rotate, a driving gear meshed with the driven gears, and a driving member one used to drive the driving gear to rotate.

[0012] By adopting the technical scheme, the driving member one is started to drive the driving gear to rotate, and then drive the plurality of driven gears to rotate, so as to realize rotation of the dial assembly.

[0013] In a second aspect, the application provides a variable cross-section composite weaving platform, comprising the variable cross-section composite weaving platform of any one of the above and a take-up mechanism arranged on the platform body, the take-up mechanism comprising a mounting frame mounted on the platform body, a take-up disc rotatably fitted on the mounting frame and used to wind the round and flat wire, and a driving member two used to drive the take-up disc to rotate.

[0014] By adopting the technical scheme, after the woven round and flat wire is wound on the take-up disc, the driving member two is started to drive the take-up disc to rotate, so as to realize winding of the round and flat wire, and make the winding of the round and flat wire more convenient.

[0015] Optionally, the platform body is provided with a tightening mechanism, the tightening mechanism comprising a support frame mounted on the platform body, a plurality of mounting rods mounted on the support frame, a tensioning roller one and a tensioning roller two rotatably fitted on the mounting rods, and the round and flat wire is wound on the take-up disc after being wound on the tensioning roller one and the tensioning roller two in sequence.

[0016] By adopting the technical scheme, the round and flat wire is wound on the tensioning roller one and the tensioning roller two through the tightening mechanism, and the round and flat wire is tensioned by the tensioning roller one and the tensioning roller two, so as to make the winding process of the round and flat wire more efficient.

[0017] Optionally, the installation rod is provided with an adjusting mechanism, the adjusting mechanism comprises a sliding block installed on the installation rod at the two tensioning rollers, an adjusting block installed on the installation rod at one of the tensioning rollers, and an adjusting assembly for adjusting the distance between the sliding block and the adjusting block.

[0018] By adopting the above technical scheme, the adjusting block is adjusted on the sliding block through the adjusting mechanism, the distance between the first tensioning roller and the second tensioning roller can be adjusted, and the tension of the round flat wire can be adjusted.

[0019] Optionally, the adjusting assembly comprises a guide rod installed on the sliding block, and a locking piece threadedly matched with the adjusting block and used for extruding and locking the guide rod and unlocking the guide rod, the adjusting block is slidingly matched with the guide rod.

[0020] By adopting the above technical scheme, the adjusting block is adjusted on the guide rod, and the guide rod is extruded and locked after adjustment through the locking piece, so that the position of the adjusting block is adjusted, and the operation is convenient.

[0021] Optionally, a plurality of limiting grooves for limiting the round flat wire wound on the first tensioning roller are formed in the outer periphery of the first tensioning roller.

[0022] By adopting the above technical scheme, when the round flat wire is wound on the first tensioning roller, the round flat wire is limited through the limiting grooves, and the phenomenon of deviation of the round flat wire in the winding process is reduced.

[0023] Optionally, an adjusting groove is formed in the outer periphery of the first tensioning roller and located in the limiting groove, the length of the adjusting groove corresponds to the length of the flat wire of the round flat wire, and the two ends of the flat wire of the round flat wire in the width direction are located at the adjusting groove when the flat wire of the round flat wire is wound on the first tensioning roller.

[0024] By adopting the above technical scheme, when the flat wire of the round flat wire is wound on the first tensioning roller, the two ends of the flat wire of the round flat wire in the width direction are located at the adjusting groove, the friction between the flat wire and the first tensioning roller can be reduced, and the winding of the round flat wire is more efficient.

[0025] Optionally, an installation pipe is installed in the first tensioning roller, the installation pipe is sleeved on the installation rod and connected with the installation rod, and a limiting device for limiting and unlocking the rotation of the first tensioning roller is installed on the installation pipe.

[0026] By adopting the above technical scheme, the mounting sleeve is arranged on the mounting rod, and the mounting sleeve is connected with the mounting rod, so that the installation of the tensioning roller one can be realized, and the rotation of the tensioning roller one can be limited through the arrangement of the limiting device, and then when the round-flat type wire is wound on the tensioning roller one, the tensioning roller one is locked after being rotated, so that the adjusting groove on the tensioning roller one can be aligned with the flat wire of the round-flat type wire, and the winding can be performed.

[0027] In summary, the present application includes at least one of the following beneficial technical effects:

[0028] 1. By arranging the weaving device, the spindle runs on the closed loop "8" shaped track one, and the flat wire can be woven, and then when the round wire is woven, the track reversing assembly is switched to the one-shaped "8" shaped track two to weave the round wire, so that the round wire and the flat wire can be woven on one wire, the possibility of meeting the needs of users to weave the round-flat type wire can be improved, and the convenience of using the weaving platform can be improved. Especially suitable for sports medicine, mainly used for surgical suture line weaving for repairing soft tissues such as tendons and ligaments. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 is a partial sectional view of the present application;

[0030] Figure 2 is Figure 1 is a partial enlarged view of A in

[0031] Figure 3 is a partial exploded structural schematic view showing the connection relationship of the driving assembly and the dial assembly;

[0032] Figure 4 is Figure 3 is a partial enlarged view of B in

[0033] Figure 5 is Figure 3 is a partial enlarged view of C in

[0034] Figure 6 is a flat wire weaving track schematic view;

[0035] Figure 7 is a round wire weaving track schematic view.

[0036] Explanation of reference signs: 1, platform body; 2, spindle; 3, braiding device; 31, braiding track; 311, track one; 312, track two; 32, track reversing assembly; 321, reversing push plate; 322, driver; 33, dial assembly; 331, three-groove dial; 332, four-groove dial; 333, six-groove dial; 34, driving assembly; 341, driven gear; 342, driving gear; 343, driving part one; 4, take-up mechanism; 41, mounting bracket; 42, take-up disc; 43, driving part two; 5, tightening mechanism; 51, support bracket; 52, mounting rod; 53, tensioning roller one; 531, limiting groove; 532, adjusting groove; 54, tensioning roller two; 6, adjusting mechanism; 61, sliding block; 62, adjusting block; 63, adjusting assembly; 631, guide rod; 632, locking part; 7, mounting pipe; 8, limiting device; 81, mounting plate; 82, limiting part; 9, connecting device; 91, locking sleeve; 92, extrusion piece. DETAILED DESCRIPTION

[0037] The following will be described in detail in combination with the accompanying drawings. Figures 1-7 The present application is further described in detail.

[0038] The present application discloses a variable cross-section composite braiding platform. Referring to Figure 1 and Figure 2 , the platform body 1 and the spindles 2 arranged on the platform body 1 are provided, each group of spindles 2 includes a plurality of spindles 2, the spindles 2 are arranged along the height direction of the platform body 1, and the spindles 2 are wound with wire coils for round flat wire braiding, the platform body 1 is provided with a braiding device 3, the braiding device 3 is used to drive the spindles 2 to move on the platform body 1 and braids the round flat wire.

[0039] Referring to Figure 1 and Figure 3 , the braiding device 3 includes a braiding track 31 fixedly arranged on the platform body 1 and used for the round flat wire braiding movement of the spindles 2, a track reversing assembly 32 arranged on the braiding track 31, a dial assembly 33 arranged on the platform body 1, and a driving assembly 34 used to drive the dial assembly 33 to rotate, the braiding track 31 includes a closed loop “8” shaped track one 311 and a one-character “8” shaped track two 312, in combination with Figure 4 and Figure 5 , the bottom end of the spindle 2 is located in the track one 311 and the track two 312, and can run along the track one 311 and the track two 312.

[0040] Referring to Figure 6 and Figure 7 , the trajectory of the spindle 2 when running in the track two 312 is as shown in Figure 6 , the two groups of spindles 2 run along Figure 6When running in the direction indicated by the middle arrow, the flat wire can be braided; the trajectory of the spindle 2 when running in the track one 311 is as shown in Figure 7 When running in the direction indicated by the middle arrow, the flat wire can be braided; the trajectory of the spindle 2 when running in the track one 311 is as shown in Figure 7 When running in the direction indicated by the middle arrow, the flat wire can be braided; the trajectory of the spindle 2 when running in the track one 311 is as shown in

[0041] Referring to Figures 3-5 , the dial assembly 33 comprises two three-groove dials 331, a plurality of four-groove dials 332 and a six-groove dial 333 which are rotationally fitted on the platform body 1, the two three-groove dials 331 and the plurality of four-groove dials 332 are symmetrically arranged along the radial line passing through the center point of the six-groove dial 333. A rotating rod is fixedly installed at the center position of the three-groove dial 331, the plurality of four-groove dials 332 and the six-groove dial 333, the rotating rod is arranged along the height direction of the platform body 1, and the platform body 1 rotationally supports the rotating rod. When the spindle 2 braids the flat wire, the spindle 2 runs to the four-groove dial 332 after passing the three-groove dial 331, and moves in the character "8" shape along the plurality of four-groove dials 332; when the spindle 2 braids the round wire, the spindle 2 runs to the four-groove dial 332 after passing the six-groove dial 333, and moves in the closed loop "8" shape along the plurality of four-groove dials 332.

[0042] Referring to Figures 3-5 , the driving assembly 34 comprises a plurality of driven gears 341 which are rotationally fitted on the platform body 1, a driving gear 342 which is engaged with the driven gears 341, and a driving member one 343 which is used to drive the driving gear 342 to rotate. The driven gears 341 are used to drive the dial assembly 33 to rotate, adjacent driven gears 341 are engaged with each other, and the driven gears 341 are fixedly connected with the rotating rod. The driving member one 343 can directly adopt a motor, the shell of the driving member one 343 is fixedly installed on the platform body 1, the output shaft of the driving member one 343 is rotationally fitted on the platform body 1, and the output shaft of the driving member one 343 is fixedly connected with the driving gear 342.

[0043] Referring to Figures 3-5 , the track reversing assembly 32 is provided on the braiding track 31 in two, the track reversing assembly 32 comprises a reversing push plate 321 which abuts on the braiding track 31, and a driver 322 which is fixedly installed on the braiding track 31. The driver 322 can directly adopt a hydraulic cylinder, the cylinder body of the driver 322 is fixedly installed on the braiding track 31, the piston rod of the driver 322 is fixedly connected with the reversing push plate 321, and the driver 322 is used to push the reversing push plate 321 to slide.

[0044] The implementation principle of the variable cross-section composite weaving platform in this application embodiment is as follows: When the spindle 2 needs to run, the drive component 343 is started first, which sequentially drives the drive gear 342 and multiple driven gears 341 to rotate, thereby driving multiple rotating rods, two three-slot dials 331, multiple four-slot dials 332 and six-slot dials 333 to rotate, driving the spindle 2 to run along the weaving track 31. When the spindle 2 runs along the track 31... Figure 7 When the trajectory shown is running, it can weave circular lines. After the circular lines are woven, when it is necessary to weave flat lines, spindle 2 moves along... Figure 6 As shown in the trajectory, when spindle 2 moves to a position close to the three-slot dial 331, the driver 322 is activated, which drives the reversing push plate 321 to slide closer to spindle 2 and pushes spindle 2 into the second track 312 near the three-slot dial 331. The spindle 2 then weaves flat lines along the second track 312, achieving a round and flat line that alternates between round and flat lines on a single line.

[0045] Please refer to Figure 1 and Figure 2 This application also provides a variable cross-section composite braiding device, as shown in the figure. Specifically, it includes the aforementioned variable cross-section composite braiding platform and a take-up mechanism 4 mounted on the platform body 1. The take-up mechanism 4 is used to wind up the braided round and flat wire. The take-up mechanism 4 includes a mounting frame 41 fixedly mounted on the platform body 1, a take-up reel 42 rotatably fitted on the mounting frame 41, and a second drive component 43. The second drive component 43 is used to drive the take-up reel 42 to rotate. The second drive component 43 is fixedly mounted on the mounting frame 41. The take-up reel 42 is used to wind up the round and flat wire. The take-up reel 42 has an "I"-shaped structure, and the take-up reel 42 is coaxially fixed with the output shaft of the second drive component 43. When it is necessary to wind up the round and flat wire, after the round and flat wire is wound onto the take-up reel 42, the second drive component 43 is activated to drive the take-up reel 42 to rotate and wind up the round and flat wire.

[0046] Reference Figure 1 and Figure 2The platform body 1 is equipped with a tensioning mechanism 5, which includes a support frame 51 fixedly installed on the platform body 1, two mounting rods 52 installed on the support frame 51, and a tensioning roller 53 and a tensioning roller 54 rotatably engaged with the mounting rods 52. The mounting rod 52 closer to the take-up reel 42 is fixedly installed on the support frame 51, while the mounting rod 52 away from the take-up reel 42 is slidably engaged with the support frame 51. Multiple limiting grooves 531 are provided on the outer circumferential surface of the tensioning roller 53 for limiting the circular flat wire wound on the tensioning roller 53. The multiple limiting grooves 531 are arranged along the length direction of the mounting rods 52. An adjustment groove 532 is provided on the outer circumferential surface of tension roller 53, located within the limiting groove 531. Two adjustment grooves 532 are spaced apart along the length of the mounting rod 52 within one limiting groove 531. Multiple adjustment grooves 532 are spaced apart along the circumference of tension roller 53. The length of the adjustment groove 532 corresponds to the length of the flat wire of the round flat wire. When the flat wire of the round flat wire is wound on tension roller 53, both ends of the flat wire in the width direction are located at the adjustment groove 532. Tension roller 54 has an "I" shaped structure. The round flat wire is wound sequentially around tension roller 53 and tension roller 54 before being wound onto the take-up reel 42.

[0047] Reference Figure 1 and Figure 2 An adjustment mechanism 6 is provided on the mounting rod 52. The adjustment mechanism 6 includes a sliding block 61 mounted on the mounting rod 52 at the tension roller 2 54, an adjustment block 62 mounted on the mounting rod 52 at the tension roller 1 53, and an adjustment assembly 63 for adjusting the distance between the sliding block 61 and the adjustment block 62. The sliding block 61 is slidably fitted onto the mounting rod 52, and a bolt for pressing and locking the mounting rod 52 is threaded onto the sliding block 61. The adjustment block 62 is slidably fitted onto the support frame 51 by moving away from the mounting rod 52 at the take-up reel 42.

[0048] Among them, reference Figure 1 and Figure 2The adjusting assembly 63 comprises a guide rod 631 fixedly installed on the sliding block 61 and a locking piece 632 threadedly matched with the adjusting block 62 and used for extruding locking and unlocking of the guide rod 631, the guide rod 631 is vertically arranged with the mounting rod 52, the locking piece 632 can directly adopt a bolt, and the adjusting block 62 is slidingly matched with the guide rod 631. When it is required to adjust the distance between the first tension roller 53 and the second tension roller 54, and then to adjust the round flat wire wound on the first tension roller 53 and the second tension roller 54, the locking piece 632 is rotated, so that the locking piece 632 is no longer locked with the guide rod 631, then the adjusting block 62 is pushed to drive the mounting rod 52 to adjust along the length direction of the guide rod 631, after the adjustment is completed, the locking piece 632 is rotated, so that the locking piece 632 is extruded and locked with the guide rod 631, and the adjustment of the distance between the first tension roller 53 and the second tension roller 54 is completed.

[0049] With reference to Figure 1 and Figure 2 , in order to make the installation and dismounting of the first tension roller 53 and the second tension roller 54 on the mounting rod 52 more convenient, the mounting pipe 7 is installed in the first tension roller 53 and the second tension roller 54, two limiting plates are fixedly installed on the outer circumferential surface of the mounting pipe 7, the first tension roller 53 and the second tension roller 54 are rotationally matched with the mounting pipe 7, the connecting device 9 is arranged on the mounting pipe 7, the mounting pipe 7 is sleeved on the mounting rod 52, and the mounting pipe 7 is fixedly connected with the mounting rod 52 through the connecting device 9.

[0050] With reference to Figure 1 and Figure 2 , the connecting device 9 comprises a locking sleeve 91 threadedly matched with the mounting pipe 7 and a plurality of extrusion pieces 92 fixedly installed on the end surface of the mounting pipe 7 away from the support frame 51, the plurality of extrusion pieces 92 are arranged on the end surface of the mounting pipe 7 at intervals, a tapered surface is arranged on the outer circumferential surface of the extrusion piece 92, the locking sleeve 91 is a tapered threaded sleeve, when it is required to fixedly connect the mounting pipe 7 and the mounting rod 52, the mounting pipe 7 is sleeved on the mounting rod 52, then the locking sleeve 91 is rotated, so that the locking sleeve 91 is rotated into the direction away from the mounting pipe 7, the plurality of extrusion pieces 92 are extruded and locked in the process of rotating the locking sleeve 91, the extrusion piece 92 is deformed to extrude and lock the mounting rod 52, and the fixed connection between the mounting rod 52 and the mounting pipe 7 is realized.

[0051] With reference to Figure 1 and Figure 2, in order to be able to limit the rotation of the tension roller one 53, so that the tension roller one 53 is pressed and locked after the rotation adjustment, so that the adjustment groove 532 on the tension roller one 53 is aligned with the flat wire of the round flat wire, and the round flat wire is wound, the mounting pipe 7 on the tension roller one 53 is provided with a limiting device 8 for limiting and unlocking the rotation of the tension roller one 53, the limiting device 8 includes a mounting plate 81 fixedly installed on the mounting pipe 7 and a limiting piece 82 screwed on the mounting plate 81, and the limiting piece 82 can be directly used with bolts. After the rotation adjustment of the tension roller one 53 is completed, the tension roller one 53 needs to be fixed, the limiting piece 82 is rotated, so that the limiting piece 82 is pressed and locked on the side surface of the tension roller one 53, the fixation of the tension roller one 53 is realized, and then the round flat wire is wound on the tension roller one 53 and the tension roller two 54, the tension roller one 53 needs to be rotated to wind the round flat wire, the limiting piece 82 is rotated, so that the limiting piece 82 is no longer pressed and locked on the tension roller one 53, and then the round flat wire is wound through the rotation of the tension roller one 53.

[0052] The implementation principle of the variable cross-section composite braiding device of the embodiment of the present application is: after the round flat wire is braided through the braiding platform, the mounting pipe 7 is sleeved on the mounting rod 52, and the mounting pipe 7 and the mounting rod 52 are fixedly connected through the connecting device 9, then the round flat wire is wound on the tension roller one 53, the tension roller two 54 and the winding disc 42 in sequence, and when the round flat wire is wound, the driving piece two 43 is started to drive the winding disc 42 to rotate, and the round flat wire is wound.

[0053] The above are preferred embodiments of the present application, and are not limited to the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A variable cross-section composite braiding apparatus, characterized by: The variable cross-section composite braiding platform comprises a platform body (1) and spindles (2) arranged on the platform body (1), the mounting frame (41) is mounted on the platform body (1), the platform body (1) is provided with a braiding device (3), the braiding device (3) comprises a braiding track (31) arranged on the platform body (1) and used for the spindles (2) to perform a round flat type line braiding movement, a track reversing assembly (32) arranged on the braiding track (31), a dial assembly (33) arranged on the platform body (1), and a driving assembly (34) used for driving the dial assembly (33) to rotate, the braiding track (31) comprises a closed loop "8" track (311) and a one-dimensional "8" track (312); the dial assembly (33) comprises two three-groove dials (331) rotatably fitted on the platform body (1), a plurality of four-groove dials (332), and a six-groove dial (333), the two three-groove dials (331) and the plurality of four-groove dials (332) are arranged in radial lines of the center point of the six-groove dial (333) symmetrically; The platform body (1) is provided with a tightening mechanism (5), the tightening mechanism (5) comprises a support frame (51) mounted on the platform body (1), two mounting rods (52) mounted on the support frame (51), a tensioning roller one (53) and a tensioning roller two (54) rotatably fitted on the two mounting rods (52) respectively, and the round flat type line is wound on the tensioning roller one (53) and the tensioning roller two (54) in sequence and then wound on the winding disc (42); A plurality of limiting grooves (531) for limiting the round flat type line wound on the tensioning roller one (53) are formed on the outer periphery of the tensioning roller one (53); an adjusting groove (532) is formed on the outer periphery of the tensioning roller one (53) and located in the limiting groove (531), the length of the adjusting groove (532) corresponds to the length of the flat line of the round flat type line, and when the flat line of the round flat type line is wound on the tensioning roller one (53), the two ends of the flat line of the round flat type line in the width direction are located at the adjusting groove (532); The tensioning roller one (53) is provided with a mounting pipe (7), the mounting pipe (7) is sleeved on the mounting rod (52), and the mounting pipe (7) is provided with a limiting device (8) for limiting and unlocking the rotation of the tensioning roller one (53); ​ The mounting pipe (7) is further provided with a connecting device (9), the mounting pipe (7) is fixedly connected with the mounting rod (52) through the connecting device (9); the connecting device (9) comprises a locking sleeve (91) which is screwed on the mounting pipe (7) and a plurality of extrusion pieces (92) which are fixedly installed on the end face of the mounting pipe (7) away from the support frame (51), the extrusion pieces (92) are arranged on the end face of the mounting pipe (7) in a spaced manner, and the outer circumferential surface of the extrusion pieces (92) is provided with a tapered surface, the locking sleeve (91) is a tapered threaded sleeve; when the mounting pipe (7) and the mounting rod (52) are fixedly connected, the mounting pipe (7) is sleeved on the mounting rod (52), the locking sleeve (91) is rotated, the locking sleeve (91) extrudes and locks the plurality of extrusion pieces (92) in the rotating process, and the extrusion pieces (92) are deformed to extrude and lock the mounting rod (52).

2. The variable cross-section composite braided device of claim 1, wherein: The mounting rod (52) is provided with an adjusting mechanism (6), the adjusting mechanism (6) comprises a sliding block (61) installed on the mounting rod (52) at the position of the second tensioning roller (54), an adjusting block (62) installed on the mounting rod (52) at the position of the first tensioning roller (53), and an adjusting assembly (63) for adjusting the distance between the sliding block (61) and the adjusting block (62).

3. The variable cross-section composite braided apparatus of claim 2, wherein: The adjusting assembly (63) comprises a guide rod (631) installed on the sliding block (61) and a locking piece (632) screwed on the adjusting block (62) and used for extruding and locking and unlocking the guide rod (631), and the adjusting block (62) is slidingly fitted on the guide rod (631).

4. The variable cross-section composite braided device of claim 1, wherein: The driving assembly (34) comprises a plurality of driven gears (341) which are rotationally fitted on the platform body (1) and used for driving the dial assembly (33) to rotate, a driving gear (342) which is engaged with the driven gears (341), and a driving piece one (343) used for driving the driving gear (342) to rotate.

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