A clamping mechanism suitable for weaving sheet-like braided fabrics

Abstract

A clamping mechanism suitable for weaving sheet-like braids belongs to the technical field of braiding machinery. The invention is composed of a collecting device, a supporting assembly I, a wire clamping device, a tensioning device, a winding device and a supporting assembly II. The two supporting assemblies of the invention are arranged left and right, and the collecting device, the wire clamping device, the tensioning device and the winding device are arranged in order from top to bottom. During the weaving process, the two tensioning bases are driven to move left and right by the two lead screw motors in the tensioning device, and then the two pull rods are driven to move left and right to adjust the diameter of the opening and closing fan-shaped assembly to achieve the tensioning and relaxation of the braiding wire. During the weaving process, it can also be selected whether the tensioning device is needed according to different situations. At the same time, the clamping mechanism can also be used for the clamping of manual weaving.

Description

Technical Field

[0001] The invention belongs to the technical field of knitting machinery, and in particular relates to a clamping mechanism suitable for knitting sheet-like knitted fabrics. Background Art

[0002] With the continuous development of weaving technology, various weaving methods continue to emerge; with the continuous emergence of various new weaving methods, weaving machinery is also changing with each passing day, but in most weaving machines, the length of the straight line at the upper and lower ends of the clamping mechanism remains unchanged during the weaving process, and there are relatively few clamping mechanisms whose length of the weaving line can change within a cycle. Summary of the invention

[0003] The purpose of the present invention is to provide a clamping mechanism suitable for knitting sheet-like knitted fabrics. The knitting clamping mechanism designed by the present invention can be used for clamping knitted fabrics under various conditions.

[0004] The present invention discloses a clamping mechanism suitable for weaving sheet-like braided fabrics, which is composed of a collecting device A, a supporting assembly IB, a wire clamping device C, a tensioning device D, a wire winding device E and a supporting assembly IIF. The supporting assembly IB and the supporting assembly IIF are arranged left and right, and the collecting device A, the wire clamping device C, the tensioning device D and the wire winding device E are arranged in sequence from top to bottom, wherein the boss pair I2 of the semi-cylinder 4 in the collecting device A is fixedly connected to the upper end of the base I14 of the middle plate IB2 of the supporting assembly IB, and the boss pair II6 of the semi-cylinder 4 in the collecting device A is fixedly connected to the supporting assembly The upper end of the base II71 of the middle plate IIF2 of IIF; the left end of the rolling rod 8 of the collecting rolling rod assembly A2 in the collecting device A is movably connected with the limit platform I13 and the limit platform II15 of the support assembly IB; the near right end of the rolling rod 8 of the collecting rolling rod assembly A2 in the collecting device A is movably connected with the limit platform III70 and the limit platform IV72 of the support assembly IIF; the upper part of the disc motor I (1) in the collecting device A is bolted to the upper plate II (F1) of the support assembly II (F); the lower part of the disc motor I (1) in the collecting device A is bolted to the bottom of the support assembly II (F) The base Ⅱ (F3) is fixed with bolts; the lifting lugs Ⅰ29 and Ⅱ30 of the wire-holding track C2 in the wire-holding device C are respectively mounted on the two rods of the rod pair Ⅰ10 in the support component ⅠB, and are located above the two annular convexities of the annular convexity pair Ⅰ11; the right part of the wire-holding rod C4 in the wire-holding device C passes through the long hole Ⅰ18 of the middle plate ⅠB2 of the support component ⅠB and the long hole Ⅱ75 of the middle plate ⅡF2 of the support component ⅡF in turn, and is slidably connected with the long hole Ⅰ18 and the long hole Ⅱ75; the outer ring of the rod Ⅰ46 of the pull rod ⅠD4 in the tensioning device D is connected to the base ⅠB in the support component ⅠB 3 is movably connected; the right end of the rod II53 of the pull rod II D6 in the tensioning device D is movably connected to the hole IV81 of the base II F3 in the support component II F; the near left end of the shaft (63) of the winding rod E1 in the winding device E is movably connected to the lock hole I22 of the base I B3 in the support component I B; the near right end of the shaft (63) of the winding rod E1 in the winding device E is movably connected to the lock hole II79 of the base II F3 in the support component I F; the front and rear parts of the disc motor II E2 in the winding device E are bolted to the base II F3 of the support component II (F).

[0005] The collecting device A is composed of a collecting box A1, a collecting reel assembly A2 and a disc motor I1. The collecting box A1 is composed of an upper cover 3 and a semi-cylinder 4. An elongated hole 5 is provided at the bottom of the semi-cylinder 4. A boss pair I2 is provided at the left end of the semi-cylinder 4, and a boss pair II6 is provided at the right end of the semi-cylinder 4. The upper cover 3 is hinged to the rear end of the semi-cylinder 4; the collecting reel assembly A2 is composed of a disc pair 7, a reel 8 and a disc I9. The disc pair 7 is fixedly connected to the left end of the reel 8, and the disc I9 is ​​fixedly connected to the right end of the reel 8; the collecting reel assembly A2 is located between the upper cover 3 and the semi-cylinder 4. The disc pair 7 of the collecting reel assembly A2 is movably connected to the boss pair I2, and the reel 8 is movably connected to the boss pair II6 near the right end. The outer ring of the disc motor I1 is bolted to the right end of the disc I9.

[0006] The support assembly ⅠB is composed of an upper plate ⅠB1, a middle plate ⅠB2, a base ⅠB3, a rod pair Ⅰ10 and a ring convex pair Ⅰ11. The upper plate ⅠB1 is fan-shaped, and a limit platform Ⅰ13 is provided at the center of the lower side of the upper plate ⅠB1, and two pins of a pin pair Ⅰ12 are provided at the lower end of the upper plate ⅠB1; the middle plate ⅠB2 is formed by fixing a base Ⅰ14 and a vertical plate Ⅰ17, and a limit platform Ⅱ15 is provided at the center of the upper end of the base Ⅰ14; the lower end of the base Ⅰ14 is provided with two threaded holes of a threaded hole pair Ⅰ16; the rear lower part of the vertical plate Ⅰ17 is provided with a long hole Ⅰ18; the base ⅠB3 is formed by fixing a bottom plate Ⅰ19 and a vertical plate Ⅱ20, and a bottom plate Ⅰ19 is provided with Four countersunk holes of countersunk hole group Ⅰ21; two threaded holes of threaded hole pair Ⅱ23 are provided at the upper end of vertical plate Ⅱ20; a lock hole Ⅰ22 is provided at the rear part of vertical plate Ⅱ20; a hole Ⅰ24 is provided at the upper center of vertical plate Ⅱ20; the two annular bosses of annular boss pair Ⅰ11 are fixedly connected to the upper parts of the two rods of rod pair Ⅰ10; the upper plate ⅠB1, the middle plate ⅠB2, the rod pair Ⅰ10 and the base ⅠB3 are arranged in sequence from top to bottom, the upper end of the rod pair Ⅰ10 is fixedly connected to the lower end of the base Ⅰ14 in the middle plate ⅠB2, the lower end of the rod pair Ⅰ10 is fixedly connected to the upper end of the vertical plate Ⅱ20 in the base ⅠB3, and the upper plate ⅠB1 is fixedly connected to the upper end of the base Ⅰ14 in the middle plate ⅠB2.

[0007] The wire clamping device C is composed of a screw motor assembly ⅠC1, a wire clamping track C2, a connector C3 and a wire clamping rod C4. The screw motor assembly ⅠC1 is composed of a motor Ⅰ25, a slide rail frame Ⅰ26, a screw Ⅰ27 and a slider Ⅰ28. The motor Ⅰ25 and the screw Ⅰ27 are arranged front and back. The output shaft of the motor Ⅰ25 is connected to the front end of the screw Ⅰ27 through a coupling. The slider Ⅰ28 is threadedly connected to the middle of the screw Ⅰ27. The bottom of the slider Ⅰ28 is slidably connected to the top of the slide rail frame Ⅰ26; the front and rear ends of the screw Ⅰ27 are movably connected to the two ends of the slide rail frame Ⅰ26; the wire clamping track C2 is provided with a lifting ear Ⅰ29 and a lifting ear Ⅱ 30; the connecting member C3 is formed by a horizontal plate 31 and a vertical plate 33 fixedly connected in an L shape, the horizontal plate 31 is provided with two holes of a hole pair 32, the upper part of the vertical plate 33 is provided with a square hole 34, and the lower part of the vertical plate 33 is provided with a slide groove Ⅰ35; the middle part of the wire clamping rod C4 is provided with N bosses of a boss group Ⅰ36 and N+1 grooves of a groove group Ⅰ37, and the N bosses and N+1 grooves are arranged at intervals; the horizontal plate 31 of the connecting member C3 is fixedly connected to the upper surface of the slider Ⅰ28 in the screw motor assembly ⅠC1; the wire clamping track C2 is slidably connected to the slide groove Ⅰ35 of the connecting member C3; the left end of the wire clamping rod C4 is fixedly connected to the square hole 34 of the connecting member C3.

[0008] The tensioning device D is composed of a screw motor assembly II D1, a tensioning rail I D2, a tensioning base I D3, a pull rod I D4, an opening and closing fan-shaped assembly D5, a pull rod II D6, a tensioning base II D7, a tensioning rail II D8 and a screw motor assembly III D9. The screw motor assembly II D1 is composed of a motor II 38, a slide rail frame II 39, a screw II 40 and a slider II 41. The motor II 38 and the screw II 40 are arranged left and right. The output shaft of the motor II 38 is connected to the left end of the screw II 40 through a coupling. The slider II 41 is threadedly connected to the middle of the screw II 40. The bottom of the slider II 41 is slidably connected to the top of the slide rail frame II 39; the left and right ends of the screw II 40 are movably connected to the two ends of the slide rail frame II 39; a countersunk hole is provided on the tensioning rail I D2 Two countersunk holes of Ⅰ42; a connecting plate Ⅰ43 is fixedly connected to the rear lower side of the tensioning base ⅠD3, a slide groove Ⅱ44 is provided at the lower part of the tensioning base ⅠD3, and a hole Ⅱ45 is provided at the upper part of the tensioning base ⅠD3; the pull rod ⅠD4 is composed of a rod Ⅰ46 and a T-shaped pull block group Ⅰ47, and the rod Ⅰ46 and the T-shaped pull block group Ⅰ47 are arranged left and right and fixedly connected, and the T-shaped pull block group Ⅰ47 is composed of 6 T-shaped pull blocks; the opening and closing fan-shaped component D5 is composed of a T-shaped slot group Ⅰ48, a boss group Ⅱ49, a groove group Ⅱ50 and a T-shaped slot group Ⅱ51, and the N bosses of the boss group Ⅱ49 and the N+1 grooves of the groove group Ⅱ50 are arranged alternately, and its left end is fixedly connected to the T-shaped slot group Ⅰ48, and the right end is fixedly connected to the T-shaped slot group Ⅱ51; the pull rod ⅡD6 is composed of a T-shaped pull block group Ⅱ52 and rod Ⅱ53, and T-shaped pull block group Ⅱ52 and rod Ⅱ53 are arranged left and right and fixedly connected, and T-shaped pull block group Ⅱ52 is composed of 6 T-shaped pull blocks; a connecting plate Ⅱ56 is fixedly connected to the front lower side of the tensioning base ⅡD7, a slide groove Ⅲ55 is provided at the lower part of the tensioning base ⅡD7, and a hole Ⅲ54 is provided at the upper part of the tensioning base ⅡD7; two countersunk holes of countersunk hole pair Ⅱ57 are provided on the tensioning rail ⅡD8; the screw motor assembly ⅢD9 is composed of a slider Ⅲ58, a screw Ⅲ59, a slide rail frame Ⅲ60 and a motor Ⅲ61, the screw Ⅲ59 and the motor Ⅲ61 are arranged left and right, and the output shaft of the motor Ⅲ61 is connected to the right end of the screw Ⅲ59 through a coupling, the slider Ⅲ58 is threadedly connected to the middle part of the screw Ⅲ59, and the bottom of the slider Ⅲ58 is connected to the top of the slide rail frame Ⅲ60 Sliding connection; the left and right ends of the screw III59 are movably connected to the two ends of the slide rail frame III60; the connecting plate I43 of the tensioning base ID3 is bolted to the slider II41 of the screw motor assembly IID1; the slide groove II44 of the tensioning base ID3 is slidably connected to the tensioning track ID2; the pull rod ID4, the opening and closing fan-shaped assembly D5 and the pull rod IID6 are arranged left and right and movably connected, the left end of the middle rod I46 of the pull rod ID4 is fixed to the hole II45 of the tensioning base ID3; the right end of the middle rod II53 of the pull rod IID6 is fixed to the hole III54 of the tensioning base IID7; the connecting plate II56 of the tensioning base IID7 is bolted to the slider III58 of the screw motor assembly IIID9; the slide groove III55 of the tensioning base IID7 is slidably connected to the tensioning track IID8.

[0009] The winding device E is composed of a winding rod E1 and a disc motor Ⅱ E2. The winding rod E1 is composed of a disc Ⅱ 62, a shaft 63 and a disc Ⅲ 66, which are arranged and fixedly connected in sequence from left to right. A boss group Ⅲ 64 and a groove group Ⅲ 65 are provided in the middle of the shaft 63. The N bosses of the boss group Ⅲ 64 and the N+1 grooves of the groove group Ⅲ 65 are arranged at intervals. The outer ring of the disc motor Ⅱ E2 is fixedly connected to the right end of the disc Ⅲ 66 by bolts.

[0010] The support assembly ⅡF is composed of an upper plate ⅡF1, a middle plate ⅡF2, a base ⅡF3, a rod pair Ⅱ67 and a ring convex pair Ⅱ68. The upper plate ⅡF1 is fan-shaped, and a limit platform Ⅲ70 is provided at the center of the lower side of the upper plate ⅡF1, and two pins of a pin pair Ⅱ69 are provided at the lower end of the upper plate ⅡF1; the middle plate ⅡF2 is formed by fixing a base Ⅱ71 and a vertical plate Ⅲ74, and a limit platform Ⅳ72 is provided at the center of the upper end of the base Ⅱ71; two threaded holes of a threaded hole pair Ⅲ73 are provided at the lower end of the base Ⅱ71; a long hole Ⅱ75 is provided at the rear lower part of the vertical plate Ⅲ74; the base ⅡF3 is formed by fixing a bottom plate Ⅱ76 and a vertical plate Ⅳ77, and a bottom plate Ⅱ76 is provided Four countersunk holes of countersunk hole group Ⅱ78; two threaded holes of threaded hole pair Ⅳ80 are provided at the upper end of vertical plate Ⅳ77; a lock hole Ⅱ79 is provided at the front of vertical plate Ⅳ77; a hole Ⅳ81 is provided at the upper center of vertical plate Ⅳ77; the two annular bosses of annular boss pair Ⅱ68 are fixedly connected to the upper parts of the two rods of rod pair Ⅱ67; the upper plate ⅡF1, the middle plate ⅡF2, the rod pair Ⅱ67 and the base ⅡF3 are arranged in sequence from top to bottom, the upper end of the rod pair Ⅱ67 is fixedly connected to the lower end of the base Ⅱ71 in the middle plate ⅡF2, the lower end of the rod pair Ⅱ67 is fixedly connected to the upper end of the vertical plate Ⅳ77 in the base ⅡF3, and the upper plate ⅡF1 is fixedly connected to the upper end of the base Ⅱ71 in the middle plate ⅡF2.

[0011] The beneficial effects of the present invention are:

[0012] 1. This clamping mechanism can be applied to a variety of different situations depending on whether a tensioning device is installed: when the length of the weaving thread needs to be changed within a cycle during the weaving process, the tensioning device can be used for adjustment; when the length of the weaving thread does not need to be changed within a cycle during the weaving process, the tensioning device can be removed.

[0013] 2. This clamping mechanism can be used not only as a clamping mechanism for the knitting process of a knitting machine, but also as a clamping mechanism for manual knitting;

[0014] 3. The clamping mechanism can select the left and right directions of the collecting reel assembly A2, the wire clamping device C and the wire reel E1 according to the actual installation space position and other conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is an axonometric view of a clamping mechanism suitable for weaving a sheet-like braid;

[0016] Figure 2It is an axonometric view of a clamping mechanism suitable for weaving sheet-like braided fabrics (without the upper plate ⅠB1);

[0017] Figure 3 is an axonometric view of the collecting device A;

[0018] Figure 4 It is a structural schematic diagram of the collecting device A (without the collecting box A1);

[0019] Figure 5 This is a schematic diagram of the structure of the collection box A1;

[0020] Figure 6 To collect the axonometric view of the reel assembly A2;

[0021] Figure 7 This is the axonometric view of support assembly IB;

[0022] Figure 8 It is a structural schematic diagram of the upper plate ⅠB1;

[0023] Fig. 9 This is the axonometric view of the middle plate IB2;

[0024] Fig.10 This is the axonometric drawing of base IB3;

[0025] Fig.11 It is an axonometric view of the wire clamping device C;

[0026] Fig.12 This is the axonometric view of the screw motor assembly ⅠC1;

[0027] Fig.13 This is the axonometric drawing of the clamping track C2;

[0028] Fig.14 is the axonometric view of the connector C3;

[0029] Fig.15 It is a structural schematic diagram of the wire clamping rod C4;

[0030] Fig.16 is an axonometric view of the tensioning device D;

[0031] Fig.17 This is the axonometric view of the screw motor assembly ⅡD1;

[0032] Fig.18 This is the axonometric view of the tensioning track ⅠD2;

[0033] Fig.19 This is the axonometric view of the tensioning base ⅠD3;

[0034] Fig. 20 It is the axonometric drawing of the tie rod ⅠD4;

[0035] Fig.21 is a schematic diagram of the structure of a unit of the opening and closing fan-shaped component D5;

[0036] Fig. 22 This is the axonometric view of the tie rod II D6;

[0037] Fig.23 This is the axonometric view of the tensioning base II D7;

[0038] Fig.24 It is a structural schematic diagram of the tensioning base II D8;

[0039] Fig.25 This is the axonometric view of the screw motor assembly IIID9;

[0040] Fig.26 is an axonometric view of the winding device E;

[0041] Fig. 27 It is a structural schematic diagram of the winding device E;

[0042] Fig.28 is a schematic diagram of the structure of the winding rod E1;

[0043] Fig.29 This is the axonometric view of the support assembly ⅡF;

[0044] Fig.30 It is the structural schematic diagram of the upper plate ⅡF1;

[0045] Fig.31 This is the axonometric view of the middle plate ⅡF2;

[0046] Fig.32 This is the axonometric drawing of base ⅡF3;

[0047] Among them: A. Collection device A1. Collection box A2. Collection reel assembly B. Support assembly I B1. Upper plate I B2. Middle plate I B3. Base I C. Wire clamping device C1. Screw motor assembly I C2. Wire clamping track C3. Connector C4. Wire clamping rod D. Tensioning device D1. Screw motor assembly II D2. Tensioning track D3. Tensioning base I D4. Pull rod I D5. Opening and closing fan assembly D6. Pull rod II D7. Tensioning base II D8. Tensioning track II D9. Screw motor assembly III E. Wire winding device E1. Wire winding rod E2. Disk Motor ⅡF. Support assembly ⅡF1. Upper plate ⅡF2. Middle plate ⅡF3. Base Ⅱ1. Disc motor Ⅰ2. Boss pair Ⅰ3. Upper cover 4. Semi-cylinder 5. Long hole 6. Boss pair Ⅱ7. Disc pair 8. Rolling rod 9. Disc Ⅰ10. Rod pair Ⅰ11. Annular convex pair Ⅰ12. Pin pair Ⅰ13. Limit table Ⅰ14. Base Ⅰ15. Limit table Ⅱ16. Threaded hole pair Ⅰ17. Vertical plate Ⅰ18. Long hole Ⅰ19. Bottom plate Ⅰ20. Vertical plate Ⅱ21. Countersunk hole group Ⅰ22. Lock hole Ⅰ23. Threaded hole pair Ⅱ24. Hole Ⅰ25. Motor Ⅰ26. Slide rail frame Ⅰ27. Lead screw Ⅰ28. Slider Ⅰ29. Lifting ear Ⅰ30. Lifting ear Ⅱ31. Horizontal plate 32. Hole pair 33. Vertical plate 34. Square hole 35. Slide groove Ⅰ36. Boss group Ⅰ37. Groove group Ⅰ38. Motor Ⅱ39. Slide rail frame Ⅱ40. Lead screw Ⅱ41. Slider Ⅱ42. Countersunk hole pair Ⅰ43. Connecting plate Ⅰ44. Slide groove Ⅱ45. Hole Ⅱ46. Rod Ⅰ47. T-shaped pull block group Ⅰ48. T-shaped slot group Ⅰ49. Boss group Ⅱ50. Groove group Ⅱ51. T-shaped slot group Ⅱ52. T-shaped pull block group Ⅱ53. Rod Ⅱ54. Hole Ⅲ55. Slide Ⅲ56. Connecting plate Ⅱ57. Countersunk hole pair Ⅱ58. Slider Ⅲ59. Screw Ⅲ60. Slide rail frame Ⅲ61. Motor Ⅲ62. Disc Ⅱ63. Shaft 64. Boss group Ⅲ65. Groove group Ⅲ66. Disc Ⅲ67. Rod pair Ⅱ68. Annular convex pair Ⅱ69. Pin pair Ⅱ70. Limit table Ⅲ71. Base Ⅱ72. Limit table Ⅳ73. Threaded hole pair Ⅲ74. Vertical plate Ⅲ75. Long hole Ⅱ76. Bottom plate Ⅱ77. Vertical plate Ⅳ78. Countersunk hole group Ⅱ79. Lock hole Ⅱ80. Threaded hole pair Ⅳ81. Hole Ⅳ. DETAILED DESCRIPTION

[0048] The present invention will be described below in conjunction with the accompanying drawings.

[0049] like Figure 1 and Figure 2As shown, the clamping mechanism for braiding sheet-like braids of the present invention is composed of a collecting device A, a supporting assembly ⅠB, a wire clamping device C, a tensioning device D, a wire winding device E and a supporting assembly ⅡF. The supporting assembly ⅠB and the supporting assembly ⅡF are arranged left and right, and the collecting device A, the wire clamping device C, the tensioning device D and the wire winding device E are arranged in sequence from top to bottom, wherein the boss pair Ⅰ2 of the semi-cylinder 4 in the collecting device A is fixedly connected to the upper end of the base Ⅰ14 of the middle plate ⅠB2 of the supporting assembly ⅠB, and the boss pair Ⅱ6 of the semi-cylinder 4 in the collecting device A is fixedly connected to the supporting assembly ⅠB. The upper end of the base II71 of the middle plate IIF2 of the support assembly IIF; the left end of the reel 8 of the collection reel assembly A2 in the collection device A is movably connected with the limit platform I13 and the limit platform II15 of the support assembly IB; the near right end of the reel 8 of the collection reel assembly A2 in the collection device A is movably connected with the limit platform III70 and the limit platform IV72 of the support assembly IIF; the upper part of the disc motor I1 in the collection device A is bolted to the upper plate IIF1 of the support assembly IIF; the lower part of the disc motor I1 in the collection device A is bolted to the middle plate IIF of the support assembly IIF 2 bolts are fixed; the lifting lugs Ⅰ29 and Ⅱ30 of the wire clamping track C2 in the wire clamping device C are respectively mounted on the two rods of the rod pair Ⅰ10 in the support component ⅠB, and are located above the two annular convexities of the annular convexity pair Ⅰ11; the right part of the wire clamping rod C4 in the wire clamping device C successively passes through the long hole Ⅰ18 of the middle plate ⅠB2 of the support component ⅠB and the long hole Ⅱ75 of the middle plate ⅡF2 of the support component ⅡF, and is slidably connected with the long hole Ⅰ18 and the long hole Ⅱ75; the outer ring of the rod Ⅰ46 of the pull rod ⅠD4 in the tensioning device D is connected to the base ⅠB3 in the support component ⅠB The hole Ⅰ24 of the winding rod is movably connected; the right end of the rod Ⅱ53 of the pull rod ⅡD6 in the tensioning device D is movably connected with the hole Ⅳ81 of the base ⅡF3 in the supporting component ⅡF; the near left end of the shaft 63 of the winding rod E1 in the winding device E is movably connected with the locking hole Ⅰ22 of the base ⅠB3 in the supporting component ⅠB; the near right end of the shaft 63 of the winding rod E1 in the winding device E is movably connected with the locking hole Ⅱ79 of the base ⅡF3 in the supporting component ⅡF; the front and rear parts of the disc motor ⅡE2 in the winding device E are bolted to the base ⅡF3 of the supporting component ⅡF.

[0050] like Figures 3 to 6 As shown, the collecting device A is composed of a collecting box A1, a collecting reel assembly A2 and a disc motor Ⅰ1. The collecting box A1 is composed of an upper cover 3 and a semi-cylinder 4. An elongated hole 5 is provided at the bottom of the semi-cylinder 4. A boss pair Ⅰ2 is provided at the left end of the semi-cylinder 4, and a boss pair Ⅱ6 is provided at the right end of the semi-cylinder 4. The upper cover 3 is hinged to the rear end of the semi-cylinder 4; the collecting reel assembly A2 is composed of a disc pair 7, a reel 8 and a disc Ⅰ9. The disc pair 7 is fixedly connected to the left end of the reel 8, and the disc Ⅰ9 is fixedly connected to the right end of the reel 8; the collecting reel assembly A2 is located between the upper cover 3 and the semi-cylinder 4, the disc pair 7 of the collecting reel assembly A2 is movably connected to the boss pair Ⅰ2, the reel 8 is movably connected to the boss pair Ⅱ6 near the right end, and the outer ring of the disc motor Ⅰ1 is bolted to the right end of the disc Ⅰ9.

[0051] like Figures 7 to 10 As shown, the support assembly ⅠB is composed of an upper plate ⅠB1, a middle plate ⅠB2, a base ⅠB3, a rod pair Ⅰ10 and a ring convex pair Ⅰ11. The upper plate ⅠB1 is fan-shaped, and a limit platform Ⅰ13 is provided at the center of the lower side of the upper plate ⅠB1, and two pins of a pin pair Ⅰ12 are provided at the lower end of the upper plate ⅠB1; the middle plate ⅠB2 is formed by fixing a base Ⅰ14 and a vertical plate Ⅰ17, and a limit platform Ⅱ15 is provided at the center of the upper end of the base Ⅰ14; the lower end of the base Ⅰ14 is provided with two threaded holes of a threaded hole pair Ⅰ16; the rear lower part of the vertical plate Ⅰ17 is provided with a long hole Ⅰ18; the base ⅠB3 is formed by fixing a bottom plate Ⅰ19 and a vertical plate Ⅱ20, and the bottom plate Ⅰ19 is provided with a limit platform Ⅱ15. There are four countersunk holes of countersunk hole group Ⅰ21; two threaded holes of threaded hole pair Ⅱ23 are provided at the upper end of vertical plate Ⅱ20; a lock hole Ⅰ22 is provided at the rear part of vertical plate Ⅱ20; a hole Ⅰ24 is provided at the upper center of vertical plate Ⅱ20; the two annular bosses of annular boss pair Ⅰ11 are fixedly connected to the upper parts of the two rods of rod pair Ⅰ10; the upper plate ⅠB1, the middle plate ⅠB2, the rod pair Ⅰ10 and the base ⅠB3 are arranged in sequence from top to bottom, the upper end of the rod pair Ⅰ10 is fixedly connected to the lower end of the base Ⅰ14 in the middle plate ⅠB2, the lower end of the rod pair Ⅰ10 is fixedly connected to the upper end of the vertical plate Ⅱ20 in the base ⅠB3, and the upper plate ⅠB1 is fixedly connected to the upper end of the base Ⅰ14 in the middle plate ⅠB2.

[0052] like Figures 11 to 15 As shown, the wire clamping device C is composed of a screw motor assembly ⅠC1, a wire clamping track C2, a connecting piece C3 and a wire clamping rod C4. The screw motor assembly ⅠC1 is composed of a motor Ⅰ25, a slide rail frame Ⅰ26, a screw Ⅰ27 and a slider Ⅰ28. The motor Ⅰ25 and the screw Ⅰ27 are arranged front and back. The output shaft of the motor Ⅰ25 is connected to the front end of the screw Ⅰ27 through a coupling. The slider Ⅰ28 is threadedly connected to the middle of the screw Ⅰ27. The bottom of the slider Ⅰ28 is slidably connected to the top of the slide rail frame Ⅰ26; the front and rear ends of the screw Ⅰ27 are movably connected to the two ends of the slide rail frame Ⅰ26; the wire clamping track C2 is provided with a lifting ear Ⅰ29 and a lifting ear Ⅰ29. Ear II 30; the connecting piece C3 is formed by a horizontal plate 31 and a vertical plate 33 fixedly connected in an L shape, the horizontal plate 31 is provided with two holes of a hole pair 32, the upper part of the vertical plate 33 is provided with a square hole 34, and the lower part of the vertical plate 33 is provided with a slide groove I 35; the middle part of the wire clamping rod C4 is provided with N bosses of a boss group I 36 and N+1 grooves of a groove group I 37, and the N bosses and N+1 grooves are arranged at intervals; the horizontal plate 31 of the connecting piece C3 is fixedly connected to the upper side of the slider I 28 in the screw motor assembly I C1; the wire clamping track C2 is slidably connected to the slide groove I 35 of the connecting piece C3; the left end of the wire clamping rod C4 is fixedly connected to the square hole 34 of the connecting piece C3.

[0053] like Figures 16 to 25As shown, the tensioning device D is composed of a screw motor assembly II D1, a tensioning rail I D2, a tensioning base I D3, a pull rod I D4, an opening and closing fan-shaped assembly D5, a pull rod II D6, a tensioning base II D7, a tensioning rail II D8 and a screw motor assembly III D9. The screw motor assembly II D1 is composed of a motor II 38, a slide rail frame II 39, a screw II 40 and a slider II 41. The motor II 38 and the screw II 40 are arranged left and right. The output shaft of the motor II 38 is connected to the left end of the screw II 40 through a coupling. The slider II 41 is threadedly connected to the middle of the screw II 40. The bottom of the slider II 41 is slidably connected to the top of the slide rail frame II 39; the left and right ends of the screw II 40 are movably connected to the two ends of the slide rail frame II 39; the tensioning rail I D2 is provided with There are two countersunk holes of countersunk hole pair Ⅰ42; a connecting plate Ⅰ43 is fixedly connected to the rear lower side of the tensioning base ⅠD3, a slide groove Ⅱ44 is provided at the lower part of the tensioning base ⅠD3, and a hole Ⅱ45 is provided at the upper part of the tensioning base ⅠD3; the pull rod ⅠD4 is composed of a rod Ⅰ46 and a T-shaped pull block group Ⅰ47, and the rod Ⅰ46 and the T-shaped pull block group Ⅰ47 are arranged left and right and fixedly connected, and the T-shaped pull block group Ⅰ47 is composed of 6 T-shaped pull blocks; the opening and closing fan-shaped component D5 is composed of a T-shaped groove group Ⅰ48, a boss group Ⅱ49, a groove group Ⅱ50 and a T-shaped groove group Ⅱ51, and the N bosses of the boss group Ⅱ49 and the N+1 grooves of the groove group Ⅱ50 are arranged alternately, and its left end is fixedly connected to the T-shaped groove group Ⅰ48, and the right end is fixedly connected to the T-shaped groove group Ⅱ51; the pull rod ⅡD6 is composed of a T-shaped pull block group Ⅱ 52 and rod II53, and the T-shaped pull block group II52 and rod II53 are arranged left and right and fixedly connected, and the T-shaped pull block group II52 is composed of 6 T-shaped pull blocks; a connecting plate II56 is fixedly connected to the front lower side of the tensioning base IID7, a slide groove III55 is provided at the lower part of the tensioning base IID7, and a hole III54 is provided at the upper part of the tensioning base IID7; two countersunk holes of countersunk hole pair II57 are provided on the tensioning rail IID8; the screw motor assembly IIID9 is composed of a slider III58, a screw III59, a slide rail frame III60 and a motor III61, the screw III59 and the motor III61 are arranged left and right, the output shaft of the motor III61 is connected to the right end of the screw III59 through a coupling, the slider III58 is threadedly connected to the middle part of the screw III59, and the bottom of the slider III58 is connected to the upper part of the slide rail frame III60 The tensioning base ⅠD3 is connected in sliding manner on the surface; the left and right ends of the lead screw Ⅲ59 are movably connected to the two ends of the slide rail frame Ⅲ60; the connecting plate Ⅰ43 of the tensioning base ⅠD3 is bolted to the slider Ⅱ41 of the lead screw motor assembly ⅡD1; the slide groove Ⅱ44 of the tensioning base ⅠD3 is connected in sliding manner to the tensioning track ⅠD2; the pull rod ⅠD4, the opening and closing fan-shaped assembly D5 and the pull rod ⅡD6 are arranged left and right and movably connected, and the left end of the middle rod Ⅰ46 of the pull rod ⅠD4 is fixed to the hole Ⅱ45 of the tensioning base ⅠD3; the right end of the middle rod Ⅱ53 of the pull rod ⅡD6 is fixed to the hole Ⅲ54 of the tensioning base ⅡD7; the connecting plate Ⅱ56 of the tensioning base ⅡD7 is bolted to the slider Ⅲ58 of the lead screw motor assembly ⅢD9; the slide groove Ⅲ55 of the tensioning base ⅡD7 is connected in sliding manner to the tensioning track ⅡD8.

[0054] like Figure 26 to Figure 28As shown, the winding device E is composed of a winding rod E1 and a disc motor Ⅱ E2. The winding rod E1 is composed of a disc Ⅱ 62, a shaft 63 and a disc Ⅲ 66, which are arranged and fixedly connected in sequence from left to right. A boss group Ⅲ 64 and a groove group Ⅲ 65 are provided in the middle of the shaft 63. The N bosses of the boss group Ⅲ 64 and the N+1 grooves of the groove group Ⅲ 65 are arranged at intervals. The outer ring of the disc motor Ⅱ E2 is fixedly connected to the right end of the disc Ⅲ 66 by bolts.

[0055] like Figure 29 to Figure 32 As shown, the support assembly ⅡF is composed of an upper plate ⅡF1, a middle plate ⅡF2, a base ⅡF3, a rod pair Ⅱ67 and a ring convex pair Ⅱ68. The upper plate ⅡF1 is fan-shaped, and a limit platform Ⅲ70 is provided at the center of the lower side of the upper plate ⅡF1, and two pins of a pin pair Ⅱ69 are provided at the lower end of the upper plate ⅡF1; the middle plate ⅡF2 is formed by fixing a base Ⅱ71 and a vertical plate Ⅲ74, and a limit platform Ⅳ72 is provided at the center of the upper end of the base Ⅱ71; the lower end of the base Ⅱ71 is provided with two threaded holes of a threaded hole pair Ⅲ73; the rear lower part of the vertical plate Ⅲ74 is provided with a long hole Ⅱ75; the base ⅡF3 is formed by fixing a bottom plate Ⅱ76 and a vertical plate Ⅳ77, and the bottom plate Ⅱ76 has a bottom plate Ⅳ72 on the upper end thereof. There are four countersunk holes of countersunk hole group Ⅱ78; two threaded holes of threaded hole pair Ⅳ80 are provided at the upper end of vertical plate Ⅳ77; a lock hole Ⅱ79 is provided at the front of vertical plate Ⅳ77; a hole Ⅳ81 is provided at the upper center of vertical plate Ⅳ77; the two annular bosses of annular boss pair Ⅱ68 are fixedly connected to the upper parts of the two rods of rod pair Ⅱ67; the upper plate ⅡF1, the middle plate ⅡF2, the rod pair Ⅱ67 and the base ⅡF3 are arranged in sequence from top to bottom, the upper end of the rod pair Ⅱ67 is fixedly connected to the lower end of the base Ⅱ71 in the middle plate ⅡF2, the lower end of the rod pair Ⅱ67 is fixedly connected to the upper end of the vertical plate Ⅳ77 in the base ⅡF3, and the upper plate ⅡF1 is fixedly connected to the upper end of the base Ⅱ71 in the middle plate ⅡF2.

Claims

1. A clamping mechanism suitable for weaving a sheet-like braided fabric, characterized in that: The invention comprises a collecting device (A), a supporting assembly I (B), a wire clamping device (C), a tensioning device (D), a wire winding device (E) and a supporting assembly II (F), wherein the collecting device (A) comprises a collecting box (A1), a collecting reel assembly (A2) and a disc motor I (1), the collecting box (A1) comprises an upper cover (3) and a semi-cylinder (4), a long hole (5) is provided at the bottom of the semi-cylinder (4), a boss pair I (2) is provided at the left end of the semi-cylinder (4), a boss pair II (6) is provided at the right end of the semi-cylinder (4), and the upper cover (3) is hinged to the rear end of the semi-cylinder (4); the collecting reel assembly (A2) comprises a disk pair (7), a reel (8) and a disk I (9), the disk pair (7) is fixedly connected to the left end of the reel (8), and the disk I (9) is fixedly connected to the right end of the reel (8); the collecting reel assembly (A2) is located between the upper cover (3) and the semi-cylinder (4), and the collecting reel assembly (A2) is hinged to the rear end of the semi-cylinder (4). The disk pair (7) of the winding rod assembly (A2) is movably connected to the boss pair I (2), the near right end of the winding rod (8) is movably connected to the boss pair II (6), and the outer ring of the disk motor I (1) is bolted to the right end of the disk I (9); the support assembly I (B) is composed of an upper plate I (B1), a middle plate I (B2), a base I (B3), a rod pair I (10) and an annular convex pair I (11), the upper plate I (B1) is fan-shaped, and the upper plate I (B1) is A limit platform Ⅰ (13) is provided at the center of the lower side of the upper plate Ⅰ (B1), and two pins, pin pair Ⅰ (12), are provided at the lower end of the upper plate Ⅰ (B1); the middle plate Ⅰ (B2) is formed by fixing the base Ⅰ (14) and the vertical plate Ⅰ (17), and a limit platform Ⅱ (15) is provided at the center of the upper end of the base Ⅰ (14); two threaded holes, threaded hole pair Ⅰ (16) are provided at the lower end of the base Ⅰ (14); a long hole Ⅰ (18) is provided at the rear lower part of the vertical plate Ⅰ (17); the base Ⅰ (B3) is formed by fixing the bottom plate Ⅰ (19) and the vertical plate Ⅱ (20), The bottom plate I (19) is provided with four countersunk holes of the countersunk hole group I (21); the upper end of the vertical plate II (20) is provided with two threaded holes of the threaded hole pair II (23); the rear part of the vertical plate II (20) is provided with a lock hole I (22); the upper center of the vertical plate II (20) is provided with a hole I (24); the two annular protrusions of the annular protrusion pair I (11) are fixedly connected to the upper parts of the two rods of the rod pair I (10); the upper plate I (B1), the middle plate I (B2), the rod pair I (10) and the base I (B3) are arranged in order from top to bottom, and the rods are The upper end of the pair Ⅰ (10) is fixedly connected to the lower end of the base Ⅰ (14) in the middle plate Ⅰ (B2), the lower end of the rod pair Ⅰ (10) is fixedly connected to the upper end of the vertical plate Ⅱ (20) in the base Ⅰ (B3), and the upper plate Ⅰ (B1) is fixedly connected to the upper end of the base Ⅰ (14) in the middle plate Ⅰ (B2); the wire clamping device (C) is composed of a screw motor assembly Ⅰ (C1), a wire clamping track (C2), a connecting piece (C3) and a wire clamping rod (C4), and the wire clamping track (C2) is provided with a lifting ear Ⅰ (29) and a lifting ear Ⅱ (30);The tensioning device (D) is composed of a screw motor assembly II (D1), a tensioning track I (D2), a tensioning base I (D3), a pull rod I (D4), an opening and closing fan-shaped assembly (D5), a pull rod II (D6), a tensioning base II (D7), a tensioning track II (D8) and a screw motor assembly III (D9), wherein the pull rod I (D4) is composed of a rod I (46) and a T-shaped pull block group I (47), and the pull rod II (D6) is composed of a T-shaped pull block group II (52) and a rod II (53); the winding device (E) is composed of a winding rod (E1) and a disk motor II (E2), and the winding rod (E1) is composed of a disk II (62), a shaft (63) and a disk III (66), and they are arranged in sequence from left to right and fixedly connected, and a boss group III (64) and a groove group III (65) are provided in the middle of the shaft (63), and the boss group The N bosses of Ⅲ (64) and the N+1 grooves of the groove group Ⅲ (65) are arranged at intervals; the outer ring of the disc motor Ⅱ (E2) is bolted to the right end of the disc Ⅲ (66); the support assembly Ⅱ (F) is composed of an upper plate Ⅱ (F1), a middle plate Ⅱ (F2), a base Ⅱ (F3), a rod pair Ⅱ (67) and a ring convex pair Ⅱ (68), the upper plate Ⅱ (F1) is fan-shaped, a limit platform Ⅲ (70) is provided at the center of the lower side of the upper plate Ⅱ (F1), and two pins of a pin pair Ⅱ (69) are provided at the lower end of the upper plate Ⅱ (F1); the middle plate Ⅱ (F2) is formed by fixing the base Ⅱ (71) and the vertical plate Ⅲ (74), and a limit platform Ⅳ (72) is provided at the center of the upper end of the base Ⅱ (71); the lower end of the base Ⅱ (71) is provided with two threaded holes of a threaded hole pair Ⅲ (73); the rear lower part of the vertical plate Ⅲ (74) is provided with a long hole Ⅱ (75); The base II (F3) is formed by fixing a bottom plate II (76) and a vertical plate IV (77), wherein the bottom plate II (76) is provided with four countersunk holes of a countersunk hole group II (78); the upper end of the vertical plate IV (77) is provided with two threaded holes of a threaded hole pair IV (80); the front part of the vertical plate IV (77) is provided with a lock hole II (79); the upper center of the vertical plate IV (77) is provided with a hole IV (81); the two annular protrusions of the annular protrusion pair II (68) are fixedly connected to the upper parts of the two rods of the rod pair II (67); the upper plate II (F1), the middle plate II (F2), the rod pair II (67) and the base II (F3) are arranged in order from top to bottom, and the upper end of the rod pair II (67) is fixedly connected to the lower end of the base II (71) in the middle plate II (F2). The lower end of the rod pair II (67) is fixedly connected to the upper end of the middle plate IV (77) of the base II (F3), and the upper plate II (F1) is fixedly connected to the upper end of the base II (71) of the middle plate II (F2); the support assembly I (B) and the support assembly II (F) are arranged on the left and right, and the collecting device (A), the wire clamping device (C), the tensioning device (D) and the winding device (E) are arranged in sequence from top to bottom, wherein the boss pair I (2) of the semi-cylinder (4) in the collecting device (A) is fixedly connected to the upper end of the base I (14) of the middle plate I (B2) of the supporting assembly I (B), and the boss pair II (6) of the semi-cylinder (4) in the collecting device (A) is fixedly connected to the upper end of the base II (71) of the middle plate II (F2) of the supporting assembly II (F);The left end of the rolling rod (8) of the collecting rolling rod assembly (A2) in the collecting device (A) is movably connected to the limit platform I (13) and the limit platform II (15) of the supporting assembly I (B); the near right end of the rolling rod (8) of the collecting rolling rod assembly (A2) in the collecting device (A) is movably connected to the limit platform III (70) and the limit platform IV (72) of the supporting assembly II (F); the upper part of the disc motor I (1) in the collecting device (A) is bolted to the upper plate II (F1) of the supporting assembly II (F) ; The lower part of the disc motor Ⅰ (1) in the collecting device (A) is bolted to the base Ⅱ (F3) of the supporting assembly Ⅱ (F); the lifting lug Ⅰ (29) and the lifting lug Ⅱ (30) of the wire-holding track (C2) in the wire-holding device (C) are respectively mounted on the two rods of the rod pair Ⅰ (10) in the supporting assembly Ⅰ (B), and are located above the two annular convexities of the annular convexity pair Ⅰ (11); the right part of the wire-holding rod (C4) in the wire-holding device (C) successively passes through the middle plate Ⅰ (B2) of the supporting assembly Ⅰ (B) The long hole Ⅰ (18) of the tensioning device (D) and the long hole Ⅱ (75) of the middle plate Ⅱ (F2) of the supporting component Ⅱ (F) are slidably connected with the long hole Ⅰ (18) and the long hole Ⅱ (75); the outer ring of the rod Ⅰ (46) of the tensioning device (D) is movably connected with the hole Ⅰ (24) of the base Ⅰ (B3) of the supporting component Ⅰ (B); the right end of the rod Ⅱ (53) of the tensioning device (D) is connected with the hole Ⅳ (81) of the base Ⅱ (F3) of the supporting component Ⅱ (F) Active connection; the near left end of the shaft (63) of the winding rod (E1) in the winding device (E) is actively connected to the lock hole I (22) of the base I (B3) in the support component I (B); the near right end of the shaft (63) of the winding rod (E1) in the winding device (E) is actively connected to the lock hole II (79) of the base II (F3) in the support component II (F); the front and rear parts of the disc motor II (E2) in the winding device (E) are bolted to the base II (F3) of the support component II (F). ; 2. The clamping mechanism suitable for weaving sheet-like braided fabric according to claim 1, characterized in that: The screw motor assembly I (C1) is composed of a motor I (25), a slide rail frame I (26), a screw I (27) and a slider I (28). The motor I (25) and the screw I (27) are arranged front and back. The output shaft of the motor I (25) is connected to the front end of the screw I (27) through a coupling. The slider I (28) is threadedly connected to the middle of the screw I (27). The bottom of the slider I (28) is slidably connected to the top of the slide rail frame I (26); the front and rear ends of the screw I (27) are movably connected to the two ends of the slide rail frame I (26); the connecting member (C3) is formed by a horizontal plate (31) and a vertical plate (33) fixedly connected in an L shape. The horizontal plate (3 1) is provided with two holes of a hole pair (32), a square hole (34) is provided on the upper part of the vertical plate (33), and a slide groove I (35) is provided on the lower part of the vertical plate (33); the middle part of the wire clamping rod (C4) is provided with N bosses of a boss group I (36) and N+1 grooves of a groove group I (37), and the N bosses and the N+1 grooves are arranged at intervals; the horizontal plate (31) of the connecting member (C3) is fixedly connected to the upper surface of the slider I (28) in the screw motor assembly I (C1); the wire clamping track (C2) is slidably connected to the slide groove I (35) of the connecting member (C3); the left end of the wire clamping rod (C4) is fixedly connected to the square hole (34) of the connecting member (C3).

3. The clamping mechanism suitable for weaving sheet-like braided fabric according to claim 1, characterized in that: The screw motor assembly II (D1) is composed of a motor II (38), a slide rail frame II (39), a screw II (40) and a slider II (41). The motor II (38) and the screw II (40) are arranged left and right. The output shaft of the motor II (38) is connected to the left end of the screw II (40) through a coupling. The slider II (41) is threadedly connected to the middle of the screw II (40). The bottom of the slider II (41) is slidably connected to the top of the slide rail frame II (39). The left and right ends of the screw II (40) are movably connected to the two ends of the slide rail frame II (39). Two countersunk holes of the countersunk hole pair I (42) are provided on the tensioning track I (D2). A connecting plate I (43) is fixedly connected to the rear lower side of the tensioning base I (D3), a sliding groove II (44) is provided at the lower part of the tensioning base I (D3), and a hole II (45) is provided at the upper part of the tensioning base I (D3); a rod I (46) and a T-shaped pull block group I (47) are arranged and fixedly connected on the left and right sides, and the T-shaped pull block group I (47) is composed of 6 T-shaped pull blocks; the opening and closing fan-shaped component (D5) is composed of a T-shaped groove group I (48), a boss group II (49), a groove group II (50) and a T-shaped groove group II (51), and the N bosses of the boss group II (49) and the N+1 grooves of the groove group II (50) are arranged alternately, and the left end thereof is fixedly connected to the T-shaped groove group I (48), and the right end thereof is fixedly connected to the T-shaped groove group II (51); The T-shaped pull block group II (52) and the rod II (53) are arranged on the left and right and fixedly connected. The T-shaped pull block group II (52) is composed of 6 T-shaped pull blocks; a connecting plate II (56) is fixedly connected to the front lower side of the tensioning base II (D7), a slide groove III (55) is provided at the lower part of the tensioning base II (D7), and a hole III (54) is provided at the upper part of the tensioning base II (D7); two countersunk holes of the countersunk hole pair II (57) are provided on the tensioning rail II (D8); the screw motor assembly III (D9) is composed of a slider III (58), a screw III (59), a slide rail frame III (60) and a motor III (61), the screw III (59) and the motor III (61) are arranged on the left and right, and the motor III ( The output shaft of the motor assembly 61 is connected to the right end of the lead screw III (59) through a coupling, the slider III (58) is threadedly connected to the middle of the lead screw III (59), and the lower part of the slider III (58) is slidably connected to the upper part of the slide rail frame III (60); the left and right ends of the lead screw III (59) are movably connected to the two ends of the slide rail frame III (60); the connecting plate I (43) of the tensioning base I (D3) is bolted to the slider II (41) of the lead screw motor assembly II (D1); the slide groove II (44) of the tensioning base I (D3) is slidably connected to the tensioning rail I (D2); the pull rod I (D4), the opening and closing fan-shaped assembly (D5) and the pull rod II (D6) are arranged on the left and right and movably connected. The left end of the middle rod Ⅰ (46) of the pull rod Ⅰ (D4) is fixedly connected to the hole Ⅱ (45) of the tensioning base Ⅰ (D3); the right end of the middle rod Ⅱ (53) of the pull rod Ⅱ (D6) is fixedly connected to the hole Ⅲ (54) of the tensioning base Ⅱ (D7); the connecting plate Ⅱ (56) of the tensioning base Ⅱ (D7) is bolted to the slider Ⅲ (58) of the screw motor assembly Ⅲ (D9); the slide groove Ⅲ (55) of the tensioning base Ⅱ (D7) is slidably connected to the tensioning track Ⅱ (D8).

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