Tubular object weaving equipment and weft conveying mechanism thereof

Abstract

The utility model discloses tubular object weaving equipment and a weft conveying mechanism thereof. The weft conveying mechanism comprises a weaving shuttle assembly. The knitting shuttle assembly comprises a driving device, an ejector rod, a knitting shuttle and a knitting shuttle mounting seat, and the driving device and the knitting shuttle mounting seat are arranged at an interval; the output end of the driving device is connected with one end of the ejector rod, and the other end of the ejector rod faces the knitting shuttle mounting seat; the driving device is used for driving the ejector rod and the knitting shuttle to move close to or away from the knitting shuttle mounting seat; the weaving shuttle is separably installed at the other end of the ejector rod, and a weft releasing mechanism is arranged on the weaving shuttle and used for releasing weft; wherein the knitting shuttle mounting seat is provided with a mounting groove for placing the knitting shuttle, and the knitting shuttle has a first state that the knitting shuttle is arranged in the mounting groove and is separated from the ejector rod, and has a second state that the knitting shuttle is separated from the mounting groove and moves along with the ejector rod. By adopting the knitting shuttle assembly, the impermeability of the formed tubular knitted fabric can be ensured.

Description

Technical Field

[0001] The present application relates to the technical field of manufacturing devices for medical equipment, and in particular to a tubular braiding device and a weft transmission mechanism thereof. Background Art

[0002] Artificial blood vessels are widely used in vascular surgery, and their main uses include vascular replacement, bypass and hybrid surgery. Commercially available artificial blood vessels are mainly divided into two categories, one is made of extruded materials such as ePTFE, and the other is woven from polyester materials. Polyester braided artificial blood vessels have a good patency rate and good mechanical properties, and can be used as large-caliber blood vessels for a long time. However, simple braided blood vessels have large pores and high water permeability (greater than 400mL / min·cm2), and usually require coating pre-coagulation treatment.

[0003] In existing solutions, artificial blood vessels can usually be formed by alternately weaving multiple warp threads and weft threads using a weaving device. However, it is usually difficult for existing weaving devices to ensure the impermeability of the formed woven fabric. Utility Model Content

[0004] In order to solve the defects of the prior art, the purpose of the present application is to provide a tubular braiding device and a weft transmission mechanism thereof to solve the above-mentioned technical problems.

[0005] In order to achieve the above objectives, a technical solution adopted in the present application is to provide a weft transmission mechanism of a tubular article weaving device, the weft transmission mechanism comprising: a weaving shuttle assembly;

[0006] The weaving shuttle assembly comprises a driving device, a push rod, a weaving shuttle and a weaving shuttle mounting seat, wherein the driving device and the weaving shuttle mounting seat are arranged at intervals;

[0007] The output end of the driving device is connected to one end of the push rod, and the other end of the push rod is arranged toward the weaving shuttle mounting seat;

[0008] The driving device is used to drive the push rod and the weaving shuttle to move toward or away from the weaving shuttle mounting seat;

[0009] The weaving shuttle can be detachably mounted on the other end of the top rod, and a weft releasing mechanism is provided on the weaving shuttle for releasing the weft;

[0010] The weaving shuttle mounting seat is provided with a mounting groove for placing the weaving shuttle, and the weaving shuttle has a first state in which it is arranged in the mounting groove and is separated from the push rod, and has a second state in which it is separated from the mounting groove and moves with the push rod.

[0011] Optionally, the weft transmission mechanism further comprises a rotating assembly, wherein the rotating assembly is connected to the weaving shuttle mounting seat to drive the weaving shuttle mounting seat to rotate;

[0012] Wherein, the weaving shuttle mounting seat is provided with at least two mounting grooves, and each mounting groove is used for arranging the weaving shuttle.

[0013] Optionally, a magnetic attraction mechanism is provided between the push rod and the weaving shuttle, and they are fixed by the magnetic attraction mechanism.

[0014] Optionally, the magnetic attraction mechanism includes an electromagnetic attraction device and a first attraction component, the first attraction component is arranged on the side of the weaving shuttle facing the push rod, and the electromagnetic attraction device is installed on the end of the push rod.

[0015] Optionally, an alignment mechanism is further provided between the push rod and the weaving shuttle, and the alignment mechanism comprises an alignment plug and an alignment groove, the alignment plug and the alignment groove are respectively provided on the push rod and the weaving shuttle, and the alignment plug and the alignment groove are plug-connected and matched.

[0016] Optionally, a second adsorption member is further provided on the side of the weaving shuttle away from the top rod, a magnet is provided in the mounting groove, and the second adsorption member is used to adsorb with the magnet in the mounting groove to fix the position of the weaving shuttle in the mounting groove.

[0017] Optionally, the weft transmission mechanism further includes a swing buckle assembly, the swing buckle assembly includes a grid and a grid driving device; the grid has a plurality of long strip grooves arranged at intervals, and the long strip grooves are arranged for the warp threads to pass through;

[0018] Wherein, the driving end of the grid driving device is connected to the grid, used to drive the grid to move toward or away from the weft thread released by the weaving shuttle, and the grid is used to press the weft thread against the warp thread when the warp thread and the weft thread are woven.

[0019] Optionally, the swing buckle assembly further comprises a transmission mechanism, and the transmission mechanism comprises a mounting base, a rotating rod and a connecting rod;

[0020] One end of the rotating rod can be rotatably installed at a set position, and the other end is fixedly provided with the mounting base, and the grid is fixedly installed on the mounting base;

[0021] One end of the connecting rod is hinged to the middle position of the rotating rod, and the other end is connected to the driving end of the grid driving device.

[0022] Optionally, a fixing groove is provided on the mounting base, and one end of the grid is inserted into the fixing groove and fixed to the fixing groove by a fastener.

[0023] In order to achieve the above objectives, a technical solution adopted by the present application is to provide a tubular braiding device,

[0024] An unwinding mechanism, a warp transmission mechanism, a weft transmission mechanism as described above, and a winding mechanism are sequentially arranged;

[0025] The unwinding mechanism includes an unwinding roller, which is used to wind multiple warp threads. The multiple warp threads are released as the unwinding roller rotates. Each end of the multiple warp threads passes through the warp transmission mechanism and the weft transmission mechanism and is then wound onto the winding mechanism.

[0026] The present application provides a tubular braiding device and a weft transmission mechanism thereof. In the scheme of the present application, by detachably mounting the braiding shuttle on the top rod and by alternately switching the braiding shuttle from the first state to the second state, the braiding shuttle can be reciprocated along the width direction of the warp line row, and the weft can be released for braiding in both the reciprocating motions, thereby forming a tubular braided fabric. Furthermore, by detachably mounting the braiding shuttle on the top rod and by switching the state of the braiding shuttle, the grid can be pressed against the released weft respectively in the two reciprocating motions of the braiding shuttle, thereby improving the braiding tightness of the warp and weft, and improving the anti-permeability of the formed tubular braided fabric. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of an embodiment of a weft transmission mechanism of a tubular article weaving device provided by the present application;

[0028] Figure 2 yes Figure 1 A schematic structural diagram of a weaving shuttle assembly in the warp transmission mechanism shown;

[0029] Figure 3 yes Figure 2 A schematic diagram of the structure of a weaving shuttle in the weaving shuttle assembly shown;

[0030] Figure 4 yes Figure 1 A schematic structural diagram of a swing buckle assembly in the warp transmission mechanism shown;

[0031] Figure 5 It is a structural schematic diagram of an embodiment of a tubular braiding device provided by the application;

[0032] Figure 6 yes Figure 5 A schematic diagram showing the direction of the warp threads in the tubular braiding device shown;

[0033] Figure 7 yes Figure 5A partial enlarged view of the tubular braiding device in area II is shown. DETAILED DESCRIPTION

[0034] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0035] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0036] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0037] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0038] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0039] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0040] See also Figure 1-Figure 4 , Figure 1 It is a structural schematic diagram of an embodiment of a weft transmission mechanism of a tubular article weaving device provided by the present application; Figure 2 yes Figure 1 A schematic structural diagram of a weaving shuttle assembly in the warp transmission mechanism shown; Figure 3 yes Figure 2 A schematic diagram of the structure of a weaving shuttle in the weaving shuttle assembly shown; Figure 4 yes Figure 1 A schematic structural diagram of the swing buckle assembly in the warp transmission mechanism shown.

[0041] The weft transmission mechanism includes a weaving shuttle assembly 100 and a swing buckle assembly 200 .

[0042] The weaving shuttle assembly 100 includes a driving device 110, a top rod 120, a weaving shuttle 130 and a weaving shuttle mounting seat 140, wherein the driving device 110 and the weaving shuttle mounting seat 140 are arranged at intervals; the output end of the driving device 110 is connected to one end of the top rod 120, and the other end of the top rod 120 is arranged toward the weaving shuttle mounting seat 140; the weaving shuttle 130 is mounted on the other end of the top rod 120; the driving device 110 can move the top rod 120 and the weaving shuttle 130 toward or away from the weaving shuttle mounting seat 140; the weaving shuttle 130 can be detachably mounted on the other end of the top rod 120, and a weft releasing mechanism 131 is provided on the weaving shuttle 130 for releasing the weft; wherein the weaving shuttle mounting seat 140 is provided with a mounting groove 141 for placing the weaving shuttle 130, and the weaving shuttle 130 has a first state in which it is arranged in the mounting groove 141 and is separated from the top rod 120, and has a second state in which it is separated from the mounting groove 141 and moves with the top rod 120.

[0043] Specifically, in the scheme of this embodiment, the weft thread released by the weaving shuttle 130 can be arranged perpendicular to the set warp thread row (formed by multiple warp threads arranged side by side), and the weaving shuttle 130 can release the weft thread during the reciprocating movement along the width direction of the warp thread row, and then through the downward position change of the warp thread row, the weaving operation of the warp thread and the weft thread can be realized, thereby forming a tubular braid.

[0044] The weft releasing mechanism 131 is used to set the weft coil, and the weft coil can be pulled and rotated when the weaving shuttle 130 moves with the top rod 120, thereby releasing the weft.

[0045] Furthermore, in this embodiment, the swing buckle assembly 200 is arranged between the driving device 110 and the weaving shuttle mounting seat 140.

[0046] Among them, the swing buckle assembly 200 includes a grid 210 and a grid driving device 220; the grid 210 has a plurality of spaced-apart long grooves 211, and the warp threads in this embodiment can be arranged in sequence in a horizontal manner, and the long grooves 211 are arranged in a vertical direction, and the long grooves 211 are arranged for the warp threads to pass through; wherein, the driving end of the grid driving device 220 is connected to the grid 210, and is used to drive the grid 210 to move toward or away from the weft threads released by the weaving shuttle 130, and the grid 210 is used to press the weft threads against the warp threads when the warp threads and the weft threads are woven.

[0047] In the solution of this embodiment, the grid 210 can move to abut the weft when the weaving shuttle 130 is separated from the top rod 120 in the installation groove 141 and the top rod 120 is retracted; it can also move to abut the weft when the top rod 120 drives the weaving shuttle 130 to disengage from the installation groove 141 and the top rod 120 is retracted. That is, the grid 210 can respectively abut the released weft in the two processes of the weaving shuttle 130 moving back and forth, thereby improving the weaving tightness of the warp and weft, and improving the anti-permeability of the formed tubular braid.

[0048] Therefore, in the solution of the present application, by detachably mounting the weaving shuttle on the top rod, and by alternately switching the weaving shuttle from the first state to the second state, the weaving shuttle can be reciprocated along the width direction of the warp line row, and the weft can be released for weaving in both the reciprocating motions, thereby weaving to form a tubular braid. Furthermore, by detachably mounting the weaving shuttle on the top rod, and by switching the state of the weaving shuttle, the grid can be pressed against the released weft in the two reciprocating motions of the weaving shuttle, thereby improving the weaving tightness of the warp and weft, and improving the impermeability of the formed tubular braid.

[0049] Please read further Figure 2 and Figure 3 .

[0050] Among them, a magnetic attraction mechanism is arranged between the top rod 120 and the weaving shuttle 130, and the top rod 120 and the weaving shuttle 130 are fixed by the magnetic attraction mechanism.

[0051] The magnetic attraction mechanism includes an electromagnetic attraction device 151 and a first attraction member 152, wherein the first attraction member 152 is disposed on the side of the weaving shuttle 130 facing the top rod 120, and the electromagnetic attraction device 151 is installed at the end of the top rod 120. The electromagnetic attraction device 151 can control whether it is adsorbed with the first attraction member 152, so that the top rod 120 and the weaving shuttle 130 can be installed separately.

[0052] Among them, an alignment mechanism is also arranged between the top rod 120 and the weaving shuttle 130, and the alignment mechanism includes an alignment plug 153 and an alignment groove 154. The alignment plug 153 and the alignment groove 154 are respectively arranged on the top rod 120 and the weaving shuttle 130, and the alignment plug 153 and the alignment groove 154 are plugged and matched.

[0053] In an optional embodiment, the cross section of the alignment groove 154 along its insertion direction is "C"-shaped or "U"-shaped.

[0054] Furthermore, in this embodiment, a second adsorption component is provided on the side of the weaving shuttle 130 away from the top rod, and a magnet (not shown in the figure) is provided in the mounting groove 141. The second adsorption component is used to adsorb with the magnet in the mounting groove 141 to fix the position of the weaving shuttle 130 in the mounting groove 141.

[0055] Among them, optionally, the alignment plug 153 can be made of magnetic material, and the end of the alignment plug 153 facing away from the alignment groove 154 can be set to extend to the end of the weaving shuttle 130 facing away from the top rod 120, wherein the alignment plug 153 can be used as a second adsorption component and adsorbed with the magnet in the installation groove 141.

[0056] The adsorption force between the electromagnetic adsorption device 151 and the first adsorption component 152 is set to be greater than the adsorption force between the magnet in the installation groove 141 and the second adsorption component.

[0057] For further information, see Figure 2 .

[0058] In this embodiment, the weft transmission mechanism 10 also includes a rotating component 160, which is connected to the weaving shuttle mounting seat 140 for driving the weaving shuttle mounting seat 140 to rotate; wherein the weaving shuttle mounting seat 140 is provided with at least two mounting grooves 141, and each mounting groove 141 can be used to set the weaving shuttle 130.

[0059] In this embodiment, two mounting grooves 141 may be provided on the weaving shuttle mounting seat 140 , and a weaving shuttle 130 may be provided in each mounting groove 141 .

[0060] Among them, by driving the weaving shuttle mounting seat 140 to rotate through the rotating component 160, different mounting grooves 141 on the weaving shuttle mounting seat 140 can be moved to correspond to the top rod 120 respectively, and then through the reciprocating motion of the top rod 120, the weaving shuttles 130 in different mounting grooves 141 can be alternately driven to release the weft threads for weaving operations, thereby further improving the weaving tightness of the warp threads and the weft threads, and improving the anti-permeability of the formed tubular braid.

[0061] Optionally, the rotating assembly 160 includes a rotating motor and a rotating transmission member, and the rotating motor is connected to the weaving shuttle mounting seat 140 via the rotating transmission member, so as to drive the weaving shuttle mounting seat 140 to rotate.

[0062] Please read further Figure 4 .

[0063] Among them, the swing buckle assembly 200 also includes a transmission mechanism 230, which includes a mounting base 231, a rotating rod 232 and a connecting rod 233; one end of the rotating rod 232 can be rotatably installed at a set position, and the other end is fixedly set on the mounting base 231, and the grid 210 is fixedly installed on the mounting base 231; one end of the connecting rod 233 is hinged to the middle position of the rotating rod 232, and the other end is connected to the driving end of the grid driving device 220.

[0064] A fixing groove 2311 is provided on the mounting base 231 , and one end of the grid 210 is inserted into the fixing groove 2311 and fixed to the fixing groove 2311 by a fastener such as a screw.

[0065] Furthermore, based on the same inventive concept, the present application also provides a tubular braiding device.

[0066] See also Figure 5-Figure 7 , Figure 5 It is a structural schematic diagram of an embodiment of a tubular braiding device provided by the application; Figure 6 yes Figure 5 A schematic diagram showing the direction of the warp threads in the tubular braiding device shown; Figure 7 yes Figure 5 A partial enlarged view of the tubular braiding device in area II is shown.

[0067] The tubular article braiding device 30 comprises an unwinding mechanism 310, a warp transmission mechanism 320, the weft transmission mechanism 10 as described above, and a winding mechanism 330 which are arranged in sequence.

[0068] Among them, the unwinding mechanism 310 includes an unwinding roller 311, which is used to wind multiple warp threads. The multiple warp threads are released as the unwinding roller 311 rotates. Each end of the multiple warp threads passes through the warp transmission mechanism 320 and the weft transmission mechanism 10 and is then wound onto the winding mechanism 330.

[0069] There are multiple unwinding rollers 311 , and each unwinding roller 311 can be used to release the warp thread.

[0070] In an optional embodiment, the number of unwinding rollers 311 is at least two, and the two unwinding rollers 311 are respectively used to release different warp threads, wherein the warp threads released by one unwinding roller 311 can form an outer layer of a tubular braid after weaving, and the warp threads released by the other unwinding roller 311 can form an inner layer of the tubular braid after weaving.

[0071] Each unwinding roller 311 is connected to a pressure sensor 312, wherein the pressure sensor 312 is used to detect the tension of the released warp. In this solution, for warps of different materials, by controlling their tension, weaving can be better performed.

[0072] In this embodiment, the warp can form at least two groups of cables after the warp transmission mechanism 320 is displaced upward and downward. One group of cables A can move obliquely downward toward the winding mechanism 330, and the other group of cables B can move obliquely upward toward the winding mechanism 330.

[0073] By each installation frame 111 performing lifting and lowering motion according to a set period, each warp thread can be made to swing up and down according to its own period.

[0074] The weft transmission mechanism 10 is arranged on the side of the warp transmission mechanism 320 away from the unwinding mechanism 310, wherein the weaving shuttle 130 is arranged between the two sets of wiring, and the weaving shuttle 130 is used to release the weft, and then each warp swings up and down according to its own cycle, so that the weaving can be formed.

[0075] It should be noted that, in the present solution, a tubular braided fabric can be formed by weaving two sets of wires through continuous wefts in a reciprocating motion.

[0076] For further information, see Figure 7 .

[0077] A thread gathering channel 301 is further provided between the weft thread transmission mechanism 10 and the winding mechanism 330 , wherein both rows of warp threads can pass through the thread gathering channel 301 to achieve convergence of the two threads.

[0078] The line converging channel 301 may be formed by a gap between the pressure strip 302 and the mounting plate 303 of the pressure strip 302 .

[0079] In summary, the present application provides a tubular braiding device and a weft transmission mechanism thereof. In the scheme of the present application, by detachably mounting the braiding shuttle on the top rod, and by alternately switching the braiding shuttle from the first state and the second state, the braiding shuttle can be reciprocated along the width direction of the warp line row, and the weft can be released for weaving operation during both reciprocating motions, thereby weaving to form a tubular braid. Furthermore, by detachably mounting the braiding shuttle on the top rod, and by switching the state of the braiding shuttle, the grid can be pressed against the released weft respectively during the two reciprocating motions of the braiding shuttle, thereby improving the weaving tightness of the warp and weft, and improving the impermeability of the formed tubular braid.

[0080] The above-described embodiments are merely illustrative of the present application, rather than all embodiments. The present application may also be implemented in other specific ways or other specific forms without departing from the gist or essential features of the present application. Therefore, the described embodiments should be considered illustrative rather than restrictive in any respect. The scope of the present application should be described by the attached claims, and any changes equivalent to the intent and scope of the claims should also be included in the scope of the present application.

Claims

1. A weft transmission mechanism for a tubular article weaving device, characterized in that: The weft transmission mechanism comprises: a weaving shuttle assembly; The weaving shuttle assembly comprises a driving device, a push rod, a weaving shuttle and a weaving shuttle mounting seat, wherein the driving device and the weaving shuttle mounting seat are arranged at intervals; The output end of the driving device is connected to one end of the push rod, and the other end of the push rod is arranged toward the weaving shuttle mounting seat; The driving device is used to drive the push rod and the weaving shuttle to move toward or away from the weaving shuttle mounting seat; The weaving shuttle can be detachably mounted on the other end of the top rod, and a weft releasing mechanism is provided on the weaving shuttle for releasing the weft; The weaving shuttle mounting seat is provided with a mounting groove for placing the weaving shuttle, and the weaving shuttle has a first state in which it is arranged in the mounting groove and is separated from the push rod, and has a second state in which it is separated from the mounting groove and moves with the push rod.

2. The weft transmission mechanism according to claim 1, characterized in that: The weft transmission mechanism further comprises a rotating assembly, wherein the rotating assembly is connected to the weaving shuttle mounting seat and is used to drive the weaving shuttle mounting seat to rotate; Wherein, the weaving shuttle mounting seat is provided with at least two mounting grooves, and each mounting groove is used for arranging the weaving shuttle.

3. The weft transmission mechanism according to claim 1, characterized in that: A magnetic attraction mechanism is provided between the top rod and the weaving shuttle, and the top rod and the weaving shuttle are fixed by the magnetic attraction mechanism.

4. The weft transmission mechanism according to claim 3, characterized in that: The magnetic attraction mechanism comprises an electromagnetic attraction device and a first attraction piece, wherein the first attraction piece is arranged on the side of the weaving shuttle facing the push rod, and the electromagnetic attraction device is installed on the end of the push rod.

5. The weft transmission mechanism according to claim 4, characterized in that: An alignment mechanism is also provided between the push rod and the weaving shuttle, and the alignment mechanism comprises an alignment insert and an alignment groove. The alignment insert and the alignment groove are respectively provided on the push rod and the weaving shuttle, and the alignment insert and the alignment groove are plugged and matched.

6. The weft transmission mechanism according to claim 4, characterized in that: A second adsorption member is further provided on the side of the weaving shuttle away from the top rod, and a magnet is provided in the mounting groove. The second adsorption member is used to adsorb with the magnet in the mounting groove to fix the position of the weaving shuttle in the mounting groove.

7. The weft transmission mechanism according to any one of claims 1 to 6, characterized in that: The weft transmission mechanism further includes a swing buckle assembly, which includes a grid and a grid driving device; the grid has a plurality of long strip grooves arranged at intervals, and the long strip grooves are arranged to allow the warp threads to pass through; Wherein, the driving end of the grid driving device is connected to the grid, used to drive the grid to move toward or away from the weft thread released by the weaving shuttle, and the grid is used to press the weft thread against the warp thread when the warp thread and the weft thread are woven.

8. The weft transmission mechanism according to claim 7, characterized in that: The swing buckle assembly also includes a transmission mechanism, which includes a mounting base, a rotating rod and a connecting rod; One end of the rotating rod can be rotatably installed at a set position, and the other end is fixedly provided with the mounting base, and the grid is fixedly installed on the mounting base; One end of the connecting rod is hinged to the middle position of the rotating rod, and the other end is connected to the driving end of the grid driving device.

9. The weft transmission mechanism according to claim 8, characterized in that: The mounting base is provided with a fixing groove, and one end of the grid is inserted into the fixing groove and fixed to the fixing groove by a fastener.

10. A tubular braiding device, characterized in that: An unwinding mechanism, a warp transmission mechanism, a weft transmission mechanism as claimed in any one of claims 1 to 9, and a winding mechanism are arranged in sequence; The unwinding mechanism includes an unwinding roller, which is used to wind multiple warp threads. The multiple warp threads are released as the unwinding roller rotates. Each end of the multiple warp threads passes through the warp transmission mechanism and the weft transmission mechanism and is then wound onto the winding mechanism.

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