Tensioner and two-for-one twister

Abstract

The utility model relates to the technical field of two-for-one twisters, in particular to a tensioner and a two-for-one twister, which comprise a tensioner support, a movable plate, a lead screw, a spring and a driving component. A sliding rod is arranged on the tensioner support and connected with a sliding block in a sliding mode, and the sliding block is rotationally connected with a guide wheel. The movable plate is in sliding connection with the tensioner support and the sliding rod. The lead screw is rotationally connected with the tensioner support and spirally connected with the movable plate. The sliding rod is sleeved with the spring, and the two ends of the spring abut against the sliding block and the movable plate respectively. The driving assembly is connected with the tensioner support and drives the connecting lead screw. The device further comprises a bottom plate, a mounting plate, a reciprocating assembly and a mounting shaft. The bottom plate is connected with the base which is connected with the double-cone-shaped barrel, the bottom plate is connected with the support, and the tensioner is connected with the support. The mounting plate is connected with the support and rotationally connected with the two driving rollers. The reciprocating assembly is in driving connection with the yarn guider. And the mounting shaft is rotationally connected with the overfeeding roller. The tensioner is easy to adjust and operate and has a self-locking function.

Description

Technical Field

[0001] The utility model relates to the technical field of two-for-one twisting machines, in particular to a tensioner and a two-for-one twisting machine. Background Art

[0002] The twisting machine is a twisting device, which is essentially a doubling device. The two-for-one twisting machine usually supplies the yarn with a double-conical drum and rewinds it through a side drum, achieving two-for-one twisting during the release and rewinding process. The two-for-one twisting machine needs to be equipped with a tensioner to adjust the yarn when it is too loose or too tight.

[0003] The technical solution disclosed in the Chinese patent with authorization announcement number CN213708607U is that when the conical block moves downward, the extrusion rod is squeezed toward the left side, so that the extrusion rod squeezes the first limit block toward the left side, and the second limit block is squeezed by the spring, so that the limit plate moves to the left side, thereby tensioning the textile line. At the same time, the spring is squeezed and compressed, and when in use, if the tension of the textile line is too tight when it is wound, the spring continues to be compressed to relieve the excessive tension. When it is too loose, the spring resets to keep the textile line in a tensioned state.

[0004] However, the device still has some shortcomings: the yarn is easily rubbed against the limit plate on the inner side of the groove on the limit plate, which generates heat and causes the temperature of the inner wall of the groove to gradually increase, which can easily cause the yarn to burn out. In addition, in the device, the screw lacks a rotation limiting structure, and the spring vibrates in the telescopic state. The vibration is transmitted to the conical block, which can easily cause the screw to rotate, thereby changing the tension level set at the beginning of the device. Utility Model Content

[0005] The utility model aims to provide a tensioner and a two-for-one twisting machine in view of the problems existing in the background technology.

[0006] The technical solution of the utility model: On the one hand, the utility model proposes a tensioner, including a tensioner bracket, a slide bar is arranged on the tensioner bracket, the slide bar is slidably connected to a slider, and the slider is rotatably connected to a guide wheel.

[0007] The movable plate is slidably connected with the tensioner bracket and the slide rod.

[0008] The lead screw is rotatably connected to the tensioner bracket, and the lead screw penetrates the movable plate and is spirally connected to the movable plate.

[0009] The spring is sleeved on the slide bar, and two ends of the spring are respectively in contact with the slide block and the movable plate.

[0010] And a driving component, the driving component is connected with the tensioner bracket and drives the connecting screw rod, and the driving component locks the screw rod in a non-working state.

[0011] Preferably, a slide groove is provided on the tensioner bracket, the slide rod is located in the slide groove and connected to the inner wall thereof, and the slider and the movable plate are both located in the slide groove and slidably connected to the inner wall thereof.

[0012] Preferably, the driving assembly comprises a worm wheel, a worm and a handle. The worm wheel is connected to the lead screw, the worm is rotatably connected to the tensioner bracket, the worm wheel is meshingly connected to the worm, and the handle is connected to the worm.

[0013] On the other hand, the utility model also proposes a two-for-one twisting machine with the above-mentioned tensioner, which also includes a bottom plate, the bottom plate is connected to the base, the base is connected to the double-conical cylinder, the bottom plate is connected to the bracket, and the tensioner is connected to the bracket.

[0014] The mounting plate is connected with the bracket, the mounting plate is rotatably connected with the two driving rollers, a motor for driving the two driving rollers to rotate synchronously in the same direction is arranged on the mounting plate, and a limiting mechanism is arranged on the mounting plate.

[0015] A reciprocating assembly is connected to the mounting plate, and the reciprocating assembly drives the connected wire guide.

[0016] And the mounting shaft is connected to the mounting plate, and the mounting shaft is rotatably connected to the overfeed roller

[0017] Preferably, the bracket is connected to the mounting frame, the tensioner bracket is arranged on the mounting frame, and a plurality of balloon wire guides corresponding to the guide wheels on each tensioner bracket are arranged on the mounting frame.

[0018] Preferably, a threading hole is provided on the base, an annular groove is provided on the top of the double-conical cylinder, a gasket ring is provided in the annular groove, and yarn is wound on the double-conical cylinder.

[0019] Preferably, the limiting mechanism comprises a rotating shaft, a clamping frame and a limiting roller. The rotating shaft is connected to the mounting plate, the clamping frame is connected to the rotating shaft, the limiting roller is connected to the side close to the clamping plates on both sides of the clamping frame, and a rotating disk is arranged on the side close to the clamping plates on both sides of the clamping frame.

[0020] Compared with the prior art, the utility model has the following beneficial technical effects:

[0021] A screw rod is arranged on the tensioner bracket to adjust the position of the movable plate on the tensioner bracket, thereby achieving the purpose of adjusting the sliding stroke of the slider, thereby adjusting the tension of the guide wheel to the yarn, and the screw rod is connected to the tensioner bracket through the matching structure of the worm gear and the worm, so that after the movable plate is adjusted into place, the screw rod is restricted by the self-locking of the worm gear and the worm and will not rotate freely. Based on this structure, the spring will not cause the screw rod to rotate freely during the extension and retraction process, thereby ensuring that the tension of the entire tensioner remains unchanged. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0023] Figure 2 It is a schematic diagram of the connection structure of various components of the mounting plate;

[0024] Figure 3 It is a schematic diagram of the connection structure of various components on the base;

[0025] Figure 4 Schematic diagram of the tensioner structure.

[0026] : Reference numerals: 1. bottom plate; 2. base; 201. threading hole; 3. double-conical cylinder; 301. gasket ring; 302. yarn; 4. bracket; 5. mounting plate; 6. driving roller; 61. transmission assembly; 7. motor; 8. limiting mechanism; 81. rotating shaft; 82. bracket; 83. turntable; 84. limiting roller; 9. reciprocating assembly; 10. wire guide; 11. mounting shaft; 12. overfeed roller; 13. mounting bracket; 14. balloon wire guide; 15. tensioner bracket; 151. slide groove; 152. through hole; 16. slide rod; 17. slider; 18. guide wheel; 19. movable plate; 20. screw rod; 21. worm gear; 22. worm; 23. spring. DETAILED DESCRIPTION

[0027] Embodiment 1

[0028] like Figure 4 As shown, a tensioner proposed by the utility model includes a tensioner bracket 15, a movable plate 19, a screw rod 20, a spring 23 and a driving assembly. A slide rod 16 is provided on the tensioner bracket 15, the slide rod 16 is slidably connected to the slider 17, and the slider 17 is rotatably connected to the guide wheel 18. The movable plate 19 is slidably connected to the tensioner bracket 15 and the slide rod 16. A slide groove 151 is provided on the tensioner bracket 15, the slide rod 16 is located in the slide groove 151 and connected to its inner wall, and the slider 17 and the movable plate 19 are both located in the slide groove 151 and slidably connected to its inner wall. The screw rod 20 is rotatably connected to the tensioner bracket 15, and the screw rod 20 passes through the movable plate 19 and is spirally connected to it. The spring 23 is sleeved on the slide rod 16, and the two ends of the spring 23 are respectively abutted against the slider 17 and the movable plate 19. The driving assembly is connected to the tensioner bracket 15 and drives the screw rod 20, and the driving assembly locks the screw rod 20 in a non-working state. The driving assembly includes a worm wheel 21, a worm 22 and a handle. The worm wheel 21 is connected to the screw 20, the worm 22 is rotatably connected to the tensioner bracket 15, the worm wheel 21 is meshedly connected to the worm 22, and the handle is connected to the worm 22.

[0029] In this embodiment, the tensioning degree of the tensioner is adjustable. When operating, one only needs to rotate the handle, and the handle drives the worm 22 to rotate. The worm 22 drives the worm wheel 21 and the screw 20 to rotate, thereby driving the movable plate 19 to slide to adjust the distance between the end of the spring 23 and the mounting hole on the tensioner bracket 15. When the worm 22 stops rotating, the screw 20 is restricted by the worm wheel 21 and the worm 22 and will not rotate freely, so that the spring 23 will not cause the screw 20 to rotate freely during the extension and retraction process, thereby ensuring that the tensioning degree of the tensioner remains unchanged.

[0030] Embodiment 2

[0031] like Figure 1-Figure 4 As shown, the utility model proposes a two-for-one twisting machine with the above-mentioned tensioner, which also includes a bottom plate 1, a mounting plate 5, a reciprocating assembly 9 and a mounting shaft 11. The bottom plate 1 is connected to the base 2, the base 2 is connected to the double-conical cylinder 3, the bottom plate 1 is connected to the bracket 4, and the tensioner is connected to the bracket 4. The bracket 4 is connected to the mounting frame 13, the tensioner bracket 15 is arranged on the mounting frame 13, and a plurality of balloon wire guides 14 corresponding to the guide wheels 18 on each tensioner bracket 15 are arranged on the mounting frame 13. A threading hole 201 is arranged on the base 2, an annular groove is arranged on the top of the double-conical cylinder 3, a gasket ring 301 is arranged in the annular groove, and a yarn 302 is wound on the double-conical cylinder 3. The mounting plate 5 is connected to the bracket 4, and the mounting plate 5 is rotatably connected to the two driving rollers 6. The mounting plate 5 is provided with a motor 7 that drives the two driving rollers 6 to rotate synchronously in the same direction, wherein the output end of the motor 7 is connected to the roller shaft of one of the driving rollers 6, and the roller shafts of the driving rollers 6 on both sides are connected by a transmission assembly 61. The transmission assembly 61 includes a pulley and a toothed belt. The two pulleys are respectively connected to the roller shafts of the corresponding side driving rollers 6, and the pulleys on both sides are connected by toothed belt transmission. A limiting mechanism 8 is provided on the mounting plate 5. The limiting mechanism 8 includes a rotating shaft 81, a bracket 82 and a limiting roller 84. The rotating shaft 81 is connected to the mounting plate 5, the bracket 82 is connected to the rotating shaft 81, the limiting roller 84 is connected to the side close to the clamping plates on both sides of the bracket 82, and a turntable 83 is provided on the side close to the clamping plates on both sides of the bracket 82. The reciprocating assembly includes but is not limited to a linear module, which is connected to the mounting plate 5, and the linear module drives and connects each wire guide 10. The mounting shaft 11 is connected to the mounting plate 5 , and the mounting shaft 11 is rotatably connected to the overfeed roller 12 .

[0032] In this embodiment, the outer end of the yarn 302 on the double-conical cylinder 3 is pulled out, and then it is passed from the inner side of the gasket ring 301 and between the annular grooves, and the end of the yarn 302 is passed from the top through hole of the double-conical cylinder 3 and passed through the threading hole 201. After passing through, the end of the yarn 302 is pulled through the balloon wire guide 14, and then the end of the yarn 302 is pulled around between the mounting frame 13 and the guide wheel 18. The yarn 302 is in the limiting groove of the guide wheel 18, and then the end of the yarn 302 is pulled around the overfeed roller 12, and then the end of the yarn 302 is passed through the corresponding The yarn guide 10 finally connects the end of the yarn 302 to a tube with a border, and the tube with a border winds the yarn 302 for several weeks to prevent it from loosening. Then the tube with a border is placed between the driving rollers 6 on both sides, and the bracket 82 is turned over. The tube with a border is limited by the side sliding of the clamp plate, and the limiting roller 84 is used to prevent the tube from jumping. Then the motor 7 is started, and the motor 7 drives the two driving rollers 6 to rotate synchronously in the same direction, thereby driving the tube with a border to rotate. The tube with a border begins to wind up the yarn 302. In the process of winding up the yarn, the linear module 9 drives the yarn guide 10 to move back and forth so that the yarn 302 is evenly wound on the tube with a border. When the yarn is too loose, the spring 23 pushes the slider 17 to slide toward the side away from the movable plate 19, and the yarn 302 is then tightened again. When the yarn 302 is too tight, the spring 23 is compressed, and the curvature of the yarn 302 is reduced.

[0033] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A tensioner, characterized in that: include A tensioner bracket (15), a slide bar (16) is arranged on the tensioner bracket (15), the slide bar (16) is slidably connected to a slider (17), and the slider (17) is rotatably connected to a guide wheel (18); A movable plate (19), the movable plate (19) is slidably connected to the tensioner bracket (15) and the slide rod (16); A screw rod (20), the screw rod (20) is rotatably connected to the tensioner bracket (15), and the screw rod (20) penetrates the movable plate (19) and is spirally connected thereto; A spring (23), the spring (23) is sleeved on the slide bar (16), and two ends of the spring (23) are respectively in contact with the slide block (17) and the movable plate (19); And a driving assembly, the driving assembly is connected to the tensioner bracket (15) and drives the connecting screw rod (20), and the driving assembly locks the screw rod (20) in a non-working state.

2. A tensioner according to claim 1, characterized in that: A slide groove (151) is arranged on the tensioner bracket (15), the slide rod (16) is located in the slide groove (151) and connected to the inner wall thereof, and the slider (17) and the movable plate (19) are both located in the slide groove (151) and slidably connected to the inner wall thereof.

3. A tensioner according to claim 1, characterized in that: The driving assembly comprises a worm wheel (21), a worm (22) and a handle; the worm wheel (21) is connected to the screw (20), the worm (22) is rotationally connected to the tensioner bracket (15), the worm wheel (21) is meshingly connected to the worm (22), and the handle is connected to the worm (22).

4. A two-for-one twisting machine, comprising the tensioner according to any one of claims 1 to 3, characterized in that: Also includes A bottom plate (1), the bottom plate (1) is connected to a base (2), the base (2) is connected to a double-conical cylinder (3), the bottom plate (1) is connected to a bracket (4), and the tensioner is connected to the bracket (4); A mounting plate (5), the mounting plate (5) being connected to the bracket (4), the mounting plate (5) being rotatably connected to the two driving rollers (6), a motor (7) being arranged on the mounting plate (5) for driving the two driving rollers (6) to rotate synchronously in the same direction, and a limiting mechanism (8) being arranged on the mounting plate (5); A reciprocating assembly (9), the reciprocating assembly (9) is connected to the mounting plate (5), and the reciprocating assembly drives the connecting wire guide (10); And a mounting shaft (11), the mounting shaft (11) is connected to the mounting plate (5), and the mounting shaft (11) is rotatably connected to the overfeeding roller (12).

5. A two-for-one twisting machine according to claim 4, characterized in that: The bracket (4) is connected to the mounting frame (13), the tensioner bracket (15) is arranged on the mounting frame (13), and a plurality of balloon wire guides (14) corresponding to the guide wheels (18) on each tensioner bracket (15) are arranged on the mounting frame (13).

6. A two-for-one twisting machine according to claim 4, characterized in that: A threading hole (201) is arranged on the base (2), an annular groove is arranged on the top of the double-cone cylinder (3), a liner ring (301) is arranged in the annular groove, and a yarn (302) is wound on the double-cone cylinder (3).

7. A two-for-one twisting machine according to claim 4, characterized in that: The limiting mechanism (8) comprises a rotating shaft (81), a clamping frame (82) and a limiting roller (84); the rotating shaft (81) is connected to the mounting plate (5), the clamping frame (82) is connected to the rotating shaft (81), the limiting roller (84) is connected to the side of the clamping frame (82) close to the clamping plates on both sides, and a rotating disk (83) is provided on the side of the clamping frames (82) close to the clamping plates on both sides.

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