Length control device of two-for-one twister

Abstract

The utility model discloses a length control device of a two-for-one twister, and relates to the technical field of length control devices. The length control device of the two-for-one twister comprises an L-shaped support; a brushless controller; the positioning rod is rotationally arranged on the side surface of the L-shaped support; the positioning assembly comprises a strip-shaped opening formed in the surface of the positioning rod and a bidirectional lead screw rotationally arranged on the inner wall of the strip-shaped opening, and the positioning assembly further comprises two arc-shaped supporting plates symmetrically arranged on the outer surface of the positioning rod; and a driving assembly. By arranging the positioning assembly, the driving assembly and the brushless controller, the inner wall of the yarn winding roller can be supported and fixed by the two arc-shaped supporting plates when the length of doubled yarn is fixed, so that the yarn winding rollers with different specifications and sizes can be conveniently and quickly fixed, fixed-length winding of the yarn is realized, and the working efficiency is improved. Therefore, the defect that in the prior art, yarn wound on yarn winding rollers of different specifications cannot be precisely fixed in length is effectively overcome.

Description

Technical Field

[0001] The utility model relates to the technical field of length-fixing devices, in particular to a length-fixing device for a two-for-one twisting machine. Background Art

[0002] A two-for-one twisting machine is a twisting device, which is essentially a doubling device (combining multiple strands into one strand), called a doubling machine. In the process of doubling the yarn on the doubling machine, a fixed-length device is needed to control the length of the yarn after doubling. An existing patent for a fixed-length device for a two-for-one twisting machine, patent publication number CN211112412U includes a fixed base, a placement frame, a feed rod, a support frame, an anti-winding box, an X-shaped connecting rod, an anti-winding device, a support rod and a fixed-length device, one end of the placement frame is connected to one end surface of the fixed base by bolts, and one end of the feed rod is arranged on one end surface of the placement frame by embedding; one end of the support frame is connected to one end surface of the fixed base by bolts, and an anti-winding box is connected to one end surface of the support frame by bolts; one end of the X-shaped connecting rod is connected to the inner four corner surfaces of the anti-winding box by bolts, and the middle part of the X-shaped connecting rod is provided with an anti-winding device by a buckle connection. The utility model has the arrangement of the anti-winding device, the length fixing device and the counting gear, so that the wires are not easily entangled during the length fixing process, the length fixing effect is good and the efficiency is high, and the market promotion and application are convenient.

[0003] With respect to the above-mentioned related technologies, the inventors believe that the following defects exist: although it has a good length-fixing effect, in the actual process of fixing the length of the yarn after the yarn is paralleled, it can only fix the length of the yarn wound on the yarn reel of the same specification and size, and cannot accurately fix the length of the yarn wound on the yarn reel of different specifications.

[0004] Therefore, we propose a fixed length device for a two-for-one twisting machine to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a length-fixing device for a two-for-one twisting machine, which solves the defect that the length of yarns wound on yarn reels of different specifications cannot be accurately determined.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a fixed length device of a two-for-one twisting machine, comprising:

[0007] L-shaped support;

[0008] Brushless controller;

[0009] A positioning rod, which is used to position the yarn winding roller, and the positioning rod is rotatably arranged on the side of the L-shaped support;

[0010] A positioning assembly, comprising a strip-shaped opening provided on the surface of a positioning rod, and a bidirectional lead screw rotatably provided on the inner wall of the strip-shaped opening, and a rotating block for rotating the bidirectional lead screw is provided at the end of the positioning rod, two symmetrical sliders are slidably provided on the inner wall of the strip-shaped opening, and threaded holes threadedly connected to the outer surface of the bidirectional lead screw are provided on the side of the slider, and a push rod is rotatably provided at the top and bottom ends of the slider, and the positioning assembly also comprises two arc-shaped support plates symmetrically provided on the outer surface of the positioning rod, and one end of the push rod away from the slider is rotatably connected to the inner arc surface of the arc-shaped support plate;

[0011] The driving assembly comprises a brushless motor fixed on the side of the L-shaped support.

[0012] Preferably, a driving gear disc is fixedly provided at the output end of the brushless motor, the end of the positioning rod passes through the vertical plate of the L-shaped support and extends to the side of the L-shaped support, and the end of the top rod is fixedly provided with a driven gear disc that meshes with the driving gear disc.

[0013] Preferably, two symmetrical fixed blocks are fixed on the inner arc surface of the arc-shaped support plate, and rotation grooves are provided at the top and bottom ends of the slider and the lower surface of the fixed block, one end of the push rod is rotationally connected to the inner wall of the rotation groove on the slider, and the other end of the push rod is rotationally connected to the inner wall of the rotation groove on the fixed block.

[0014] Preferably, a deceleration component for braking the positioning rod is provided on the side of the L-shaped support.

[0015] Preferably, the deceleration assembly includes a slide plate slidably arranged on the side of the L-shaped support, and an arc-shaped brake pad fixed on the lower surface of the slide plate, and the surface of the positioning rod is sleeved with a brake disc corresponding to the arc-shaped brake pad.

[0016] Preferably, the deceleration assembly further includes a rectangular groove opened on the side of the L-shaped support, and a threaded column rotatably arranged on the inner wall of the rectangular groove, and a driving motor for driving the threaded column to rotate is arranged at the top end of the L-shaped support.

[0017] Preferably, the slide plate is slidably connected to the inner wall of the rectangular groove, and the inner wall of the rectangular groove is fixed with two symmetrical limit rods. The upper surface of the slide plate is respectively provided with threaded holes threadedly connected to the outer surface of the threaded column, and two sliding holes slidably connected to the outer surfaces of the two limit rods.

[0018] Beneficial Effects

[0019] The utility model provides a length-fixing device for a two-for-one twisting machine. Compared with the prior art, it has the following beneficial effects:

[0020] The fixed-length device of the double twisting machine is provided with a positioning component, a driving component and a brushless controller, so that when the yarn after the paralleling is fixed in length, the two arc-shaped support plates can support and fix the inner wall of the yarn winding roller, thereby facilitating the rapid fixation of yarn winding rollers of different specifications and sizes, realizing the fixed-length winding of the yarn, thereby effectively solving the defect in the prior art that the yarn wound on yarn winding rollers of different specifications cannot be accurately fixed in length. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 It is a right side structural schematic diagram of the utility model;

[0023] Figure 3 This is a schematic diagram of the three-dimensional structure of the positioning component of the utility model;

[0024] Figure 4 It is a left-side structural schematic diagram of the utility model.

[0025] In the figure:

[0026] 100. L-shaped support;

[0027] 200, brushless controller;

[0028] 300, positioning rod;

[0029] 400, positioning assembly; 401, strip opening; 402, bidirectional lead screw; 403, rotating block; 404, slider; 405, ejector rod; 406, arc support plate; 407, fixed block;

[0030] 500, driving assembly; 501, brushless motor; 502, driving gear disc; 503, driven gear disc;

[0031] 600, deceleration assembly; 601, skateboard; 602, arc-shaped brake pad; 603, brake disc; 604, threaded column; 605, drive motor; 606, limit rod. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] See also Figure 1-4The utility model provides a technical solution: a fixed length device of a two-for-one twisting machine, comprising:

[0034] L-shaped support 100;

[0035] Brushless controller 200;

[0036] A positioning rod 300, which is used to position the yarn winding roller, and the positioning rod 300 is rotatably arranged on the side of the L-shaped support 100;

[0037] The positioning assembly 400 includes a strip-shaped opening 401 provided on the surface of the positioning rod 300, and a bidirectional lead screw 402 rotatably provided on the inner wall of the strip-shaped opening 401, and a rotating block 403 for rotating the bidirectional lead screw 402 is provided at the end of the positioning rod 300, two symmetrical sliders 404 are slidably provided on the inner wall of the strip-shaped opening 401, and the sides of the sliders 404 are provided with threaded holes threadedly connected to the outer surface of the bidirectional lead screw 402, and the top and bottom ends of the sliders 404 are both rotatably provided with push rods 405, and the positioning assembly 400 also includes two arc-shaped support plates 406 symmetrically provided on the outer surface of the positioning rod 300, and one end of the push rod 405 away from the sliders 404 is rotatably connected to the inner arc surface of the arc-shaped support plate 406;

[0038] The driving assembly 500 includes a brushless motor 501 fixed on the side of the L-shaped support 100 .

[0039] See also Figure 1 , Figure 4 A driving gear disc 502 is fixedly provided at the output end of the brushless motor 501, the end of the positioning rod 300 passes through the vertical plate of the L-shaped support 100 and extends to the side of the L-shaped support 100, and the end of the top rod 405 is fixedly provided with a driven gear disc 503 that meshes with the driving gear disc 502. When the brushless motor 501 rotates, it can be decelerated through the driving gear disc 502 and the driven gear disc 503, thereby avoiding the positioning rod 300 from rotating too fast.

[0040] See also Figure 1 , Figure 3 Two symmetrical fixed blocks 407 are fixed on the inner arc surface of the arc-shaped support plate 406, and the top and bottom ends of the slider 404 and the lower surface of the fixed block 407 are provided with rotation grooves. One end of the push rod 405 is rotationally connected to the inner wall of the rotation groove on the slider 404, and the other end of the push rod 405 is rotationally connected to the inner wall of the rotation groove on the fixed block 407. The arc-shaped support plate 406 can be pushed up by moving the push rod 405.

[0041] Among them, by setting the positioning component 400, the driving component 500 and the brushless controller 200, the device can enable the two arc-shaped support plates 406 to support and fix the inner wall of the yarn winding roller when the yarn after the paralleling is fixed in length, so as to facilitate the rapid fixation of yarn winding rollers of different specifications and sizes. After that, the brushless motor 501 is started to make the fixed yarn winding roller reel the yarn, thereby effectively solving the defect in the prior art that the yarn wound on yarn winding rollers of different specifications cannot be accurately determined in length.

[0042] See also Figure 1 , Figure 4 A deceleration assembly 600 for braking the positioning rod 300 is disposed on the side of the L-shaped support 100 .

[0043] The deceleration assembly 600 includes a slide plate 601 slidably arranged on the side of the L-shaped support 100 and an arc-shaped brake pad 602 fixed on the lower surface of the slide plate 601 , and a brake disc 603 corresponding to the arc-shaped brake pad 602 is sleeved on the surface of the positioning rod 300 .

[0044] The speed reduction assembly 600 further includes a rectangular groove opened on the side of the L-shaped support 100 and a threaded column 604 rotatably arranged on the inner wall of the rectangular groove, and a driving motor 605 for driving the threaded column 604 to rotate is arranged at the top end of the L-shaped support 100 .

[0045] The slide plate 601 is slidably connected to the inner wall of the rectangular groove, and two symmetrical limit rods 606 are fixed to the inner wall of the rectangular groove. The upper surface of the slide plate 601 is respectively provided with threaded holes threadedly connected to the outer surface of the threaded column 604, and two sliding holes slidably connected to the outer surfaces of the two limit rods 606. The setting of the limit rods 606 effectively improves the stability of the slide plate 601 when it moves up and down.

[0046] By providing the deceleration assembly 600, the purpose of decelerating and braking the rotation speed of the positioning rod 300 can be achieved, thereby avoiding the situation where the yarn is rushed due to the rotational inertia of the yarn winding roller caused by sudden braking.

[0047] During operation, when the device is feeding the yarn after the parallel line into a fixed length, it can put the yarn winding roller on the positioning rod 300, rotate the rotating block 403 to drive the bidirectional screw 402 to rotate, and the rotation of the bidirectional screw 402 drives the two sliders 404 to move to both sides at the same time, thereby driving the arc support plate 406 to push outward through the push rod 405, so that the two arc support plates 406 support and fix the inner wall of the yarn winding roller, and then input the number of revolutions of the brushless motor 501 through the brushless controller 200, and start the brushless motor 501, the rotation of the brushless motor 501 drives the active toothed disc 502 to rotate, and the rotation of the active toothed disc 502 drives the driven toothed disc 503 to rotate, so The positioning rod 300 is driven to rotate, so that the fixed yarn winding roller can wind up the yarn. When the number of revolutions of the brushless motor 501 reaches the value input by the brushless controller 200, the brushless controller 200 automatically controls the brushless motor 501 to be turned off, thereby realizing the fixed-length winding of the yarn. Moreover, when the rotation of the brushless motor 501 is about to reach a predetermined number of revolutions, the brushless controller 200 can start the drive motor 605 to drive the threaded column 604 to rotate. The rotation of the threaded column 604 drives the slide plate 601 to move downward, thereby driving the arc-shaped brake pad 602 to move downward and contact the brake disc 603, thereby achieving the purpose of slowing down and braking the rotation speed of the positioning rod 300.

[0048] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A fixed length device for a two-for-one twisting machine, characterized in that: include, L-shaped support (100); Brushless controller (200); A positioning rod (300) is used to position the yarn winding roller, and the positioning rod (300) is rotatably arranged on the side of the L-shaped support (100); A positioning assembly (400), comprising a strip-shaped opening (401) provided on the surface of a positioning rod (300), and a bidirectional lead screw (402) rotatably provided on the inner wall of the strip-shaped opening (401), and a rotating block (403) for rotating the bidirectional lead screw (402) is provided at the end of the positioning rod (300), two symmetrical sliders (404) are slidably provided on the inner wall of the strip-shaped opening (401), and the side surfaces of the sliders (404) are provided with threaded holes threadedly connected to the outer surfaces of the bidirectional lead screw (402), and a push rod (405) is rotatably provided at the top and bottom ends of the sliders (404), and the positioning assembly (400) further comprises two arc-shaped support plates (406) symmetrically provided on the outer surface of the positioning rod (300), and one end of the push rod (405) away from the slider (404) is rotatably connected to the inner arc surface of the arc-shaped support plate (406); The driving assembly (500) comprises a brushless motor (501) fixedly mounted on the side of the L-shaped support (100).

2. The length-fixing device of the two-for-one twisting machine according to claim 1, characterized in that: The output end of the brushless motor (501) is fixedly provided with a driving toothed disc (502), the end of the positioning rod (300) passes through the vertical plate of the L-shaped support (100) and extends to the side of the L-shaped support (100), and the end of the top rod (405) is fixedly provided with a driven toothed disc (503) that meshes with the driving toothed disc (502).

3. The length-fixing device of the two-for-one twisting machine according to claim 1, characterized in that: Two symmetrical fixing blocks (407) are fixedly arranged on the inner arc surface of the arc-shaped support plate (406), and the top and bottom ends of the slider (404) and the lower surface of the fixing block (407) are provided with rotation grooves, one end of the push rod (405) is rotationally connected to the inner wall of the rotation groove on the slider (404), and the other end of the push rod (405) is rotationally connected to the inner wall of the rotation groove on the fixing block (407).

4. The length-fixing device of a two-for-one twisting machine according to claim 1, characterized in that: A deceleration assembly (600) for braking the positioning rod (300) is arranged on the side of the L-shaped support (100).

5. A length-fixing device for a two-for-one twisting machine according to claim 4, characterized in that: The deceleration assembly (600) comprises a slide plate (601) slidably arranged on the side of the L-shaped support (100), and an arc-shaped brake pad (602) fixedly arranged on the lower surface of the slide plate (601), and a brake disc (603) corresponding to the arc-shaped brake pad (602) is sleeved on the surface of the positioning rod (300).

6. A length-fixing device for a two-for-one twisting machine according to claim 5, characterized in that: The deceleration assembly (600) further comprises a rectangular groove opened on the side of the L-shaped support (100), and a threaded column (604) rotatably arranged on the inner wall of the rectangular groove, and a driving motor (605) for driving the threaded column (604) to rotate is arranged at the top end of the L-shaped support (100).

7. A length-fixing device for a two-for-one twisting machine according to claim 6, characterized in that: The slide plate (601) is slidably connected to the inner wall of the rectangular groove, and two symmetrical limiting rods (606) are fixedly provided on the inner wall of the rectangular groove. The upper surface of the slide plate (601) is respectively provided with threaded holes threadedly connected to the outer surface of the threaded column (604), and two sliding holes slidably connected to the outer surfaces of the two limiting rods (606).

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