Yarn guide device of doubling machine

Abstract

The utility model relates to the field of doubling machines, and discloses a doubling machine yarn guide device which comprises a supporting frame, a guide rod is installed on the supporting frame, one end of the supporting frame is fixedly connected with two sets of limiting boxes, tension adjusting blocks are arranged on the limiting boxes, the outer wall of the supporting frame is fixedly connected with an installation block, and the installation block is fixedly connected with the guide rod. A threaded hole is formed in the mounting block, a plurality of yarn guiding blocks are arranged at the end, away from the limiting box, of the supporting frame, an adjusting assembly is arranged on the supporting frame, and the adjusting assembly adjusts the yarn guiding distance through the yarn guiding blocks and can also adjust and guide single-strand yarn or multi-strand yarn or yarn of different colors; the motor in the adjusting assembly drives the two-way threaded rod to rotate, the yarn guide block is in threaded connection with the two-way threaded rod and is in sliding connection with the limiting rod, and therefore the yarn guide block can move, the yarn guide interval can be adjusted, and flexible yarn guide can be conducted on single-strand yarn, multi-strand yarn or yarn of different colors.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of doubling machine, concretely to a doubling machine yarn guide device. BACKGROUND

[0002] The doubling machine yarn guide device is a key component of the doubling machine, which can accurately guide the yarn and ensure the yarn to move along the predetermined trajectory during the doubling process. It can effectively control the yarn tension to make the yarn run smoothly and avoid yarn breakage or relaxation caused by uneven tension. Moreover, it helps to improve the neatness and uniformity of doubling, and enhance the doubling quality and production efficiency.

[0003] Application No. 202123023393.2 discloses a kind of adjustable yarn guide device of doubling machine, in the device, installation part and yarn guide part are set, the device is connected with doubling machine through installation part, so that the device keeps the stability of yarn during the working process of doubling machine, and control handle is screwed on mounting bracket, so that it drives yarn guide part to adjust through thread, and rotating plate is rotatably connected on fixed frame, and fixed by screw, so as to facilitate angle adjustment before use, so that the device is easy to adjust according to the use requirement, and the yarn block is clamped in the slot, so as to reduce the wear of yarn during processing, thereby avoiding breakage during processing.

[0004] The above-mentioned device lacks yarn spacing adjustment function when in use, cannot adjust and guide single, multiple or different color yarns, and cannot adjust the yarn spacing. For single yarn, positioning is not accurate. For multiple yarns, they are easy to rub and entangle each other, and different color yarns will cause color mixing due to the inability to reasonably adjust the yarn guide assembly, increasing the rate of defective products. Therefore, we propose a kind of doubling machine yarn guide device. UTILITY MODEL CONTENTS

[0005] (I) Technical problem solved

[0006] In view of the shortcomings of the prior art, the utility model provides a kind of doubling machine yarn guide device, solves the above-mentioned device in use, because of the lack of yarn spacing adjustment function, cannot adjust and guide single, multiple or different color yarns, cannot adjust the yarn spacing, for single yarn, positioning is not accurate;For multiple yarns, they are easy to rub and entangle each other, and different color yarns will cause color mixing due to the inability to reasonably adjust the yarn guide assembly, increasing the rate of defective products.

[0007] (II) Technical scheme

[0008] To achieve the above-mentioned purposes, the utility model provides the following technical scheme: a yarn guide device of a doubling machine, a yarn guide device of a doubling machine, including support frame, the support frame installs the guide rod, the support frame one end fixedly connected with the limit box, the limit box is equipped with two groups, be equipped with tension adjusting block on the limit box, the support frame outer wall fixedly connected with the mounting block, the mounting block is equipped with screw hole, the support frame away from the limit box one end is equipped with a plurality of guide block, be equipped with adjusting assembly on the support frame, this adjusting assembly is through the guide block and is adjusted to the guide spacing, also can adjust the guide yarn of single, multiple or different color yarn.

[0009] Preferably, the guide block top is provided with a guide hole.

[0010] Preferably, the adjusting assembly includes motor, bidirectional screw rod, limit rod, the motor fixedly connected in support frame side wall, the bidirectional screw rod fixedly connected in motor output and rotationally connected in support frame inner wall, the limit rod fixedly connected in support frame inner wall, the guide block inner wall is connected with the outer wall of bidirectional screw rod threadedly, the guide block inner wall and the outer wall of limit rod are connected with sliding.

[0011] Preferably, the guide rod is fixedly connected to the inner wall of the support frame, and a plurality of guide wheels are installed on the guide rod.

[0012] Preferably, the limit box is provided with two groups and is respectively arranged on both sides of the support frame, a screw rod is rotatably connected to the inner wall of one of the limit boxes, a sliding block is arranged between the two limit boxes, one end of the sliding block is slidably connected to the inner wall of the limit box, and the outer wall of the screw rod is threadedly connected to the inner wall of the sliding block.

[0013] Preferably, a tension adjusting block is slidably connected to the inner wall of the sliding block, and a second spring is fixedly connected between the bottom of the tension adjusting block and the inner wall of the sliding block.

[0014] Preferably, a fixed box is fixedly connected to the outer wall of the limit box, a pull rod is slidably connected to the inner wall of the fixed box, a groove compatible with one end of the pull rod is formed in the screw rod, and the pull rod is movably clamped in the groove.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a yarn guide device of a doubling machine, which has the following beneficial effects:

[0017] 1、the yarn guide device of the doubling machine, the motor in adjusting assembly drives bidirectional screw rod to rotate, because guide block is connected with bidirectional screw rod threadedly and is connected with limit rod slidingly, thereby can make guide block move, realize the adjustment of guide spacing, can be flexible to the guide yarn of single, multiple or different color yarn.

[0018] 2、The yarn guide device of the doubling machine, when the tension needs to be adjusted, pull the pull rod on the fixed box, the first spring is compressed, the pull rod is away from the groove on the threaded rod, rotate the threaded rod, under the limiting of the limiting box, the threaded rod will drive the sliding block to slide up and down along the limiting box, the tension adjusting block in the sliding block can adjust the yarn tension under the action of the second spring, ensure the stable operation of the yarn in this link. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the whole structure schematic view of the utility model;

[0020] Figure 2 It is the side view structure schematic view of the utility model;

[0021] Figure 3 It is Figure 2 The partial enlarged schematic view of A in the figure;

[0022] Figure 4 It is Figure 2 The partial enlarged schematic view of B in the figure;

[0023] Figure 5 It is the yarn guide block structure schematic view of the utility model.

[0024] In the figure: 1, support frame;2, mounting block;3, guide rod;31, guide wheel;4, limiting box;5, motor;6, bidirectional threaded rod;7, limiting rod;8, yarn guide block;9, yarn guide hole;10, threaded rod;11, fixed box;12, pull rod;13, first spring;15, groove;16, sliding block;17, second spring;18, tension adjusting block. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0026] Please refer to Figures 1-5The application relates to a guide device of a doubling machine, which comprises a supporting frame 1, a guide rod 3 is installed on the supporting frame 1, one end of the supporting frame 1 is fixedly connected with a limiting box 4, the limiting box 4 is provided with two groups, a tension adjusting block 18 is arranged on the limiting box 4, an installation block 2 is fixedly connected to the outer wall of the supporting frame 1, the installation block 2 is provided with a threaded hole, a plurality of guide blocks 8 are arranged at the end of the supporting frame 1 away from the limiting box 4, an adjusting assembly is arranged on the supporting frame 1, the adjusting assembly adjusts the guide distance through the guide blocks 8 and can also adjust single, multiple or different color yarns; a guide hole 9 is formed in the top of the guide block 8; when the device is used, the installation block 2 is installed on the doubling machine through the threaded hole, yarns enter the guide device of the doubling machine from the outside, firstly pass above the tension adjusting block 18, then pass through the guide rod 3, the guide rod 3 is fixed in the inner wall of the supporting frame 1, and a plurality of guide wheels 31 arranged on the guide rod 3 can guide the yarns and make the yarns smoothly enter the subsequent process; finally, the yarns reach the guide block 8, and the guide hole 9 in the top of the guide block 8 is used for guiding the yarns.

[0027] The adjusting assembly comprises a motor 5, a bidirectional threaded rod 6 and a limiting rod 7, the motor 5 is fixedly connected to the side wall of the supporting frame 1, the bidirectional threaded rod 6 is fixedly connected to the output end of the motor 5 and rotationally connected to the inner wall of the supporting frame 1, the limiting rod 7 is fixedly connected to the inner wall of the supporting frame 1, the inner wall of the guide block 8 is threadedly connected with the outer wall of the bidirectional threaded rod 6, and the inner wall of the guide block 8 is slidingly connected with the outer wall of the limiting rod 7; the motor 5 drives the bidirectional threaded rod 6 to rotate, the guide block 8 is threadedly connected with the bidirectional threaded rod 6 and slidingly connected with the limiting rod 7, so that the guide block 8 can be moved and the guide distance can be adjusted, and single, multiple or different color yarns can be flexibly guided.

[0028] The guide rod 3 is fixedly connected to the inner wall of the supporting frame 1, and a plurality of guide wheels 31 are arranged on the guide rod 3; the guide rod 3 is fixed in the inner wall of the supporting frame 1, and the plurality of guide wheels 31 arranged on the guide rod 3 can guide the yarns and make the yarns smoothly enter the subsequent process.

[0029] The limiting box 4 is provided with two groups and is arranged on the two sides of the supporting frame 1, a threaded rod 10 is rotationally connected with the inner wall of one group of the limiting box 4, a sliding block 16 is arranged between the two groups of the limiting box 4, one end of the sliding block 16 is slidingly connected with the inner wall of the limiting box 4, the outer wall of the threaded rod 10 is threadedly connected with the inner wall of the sliding block 16, the inner wall of the sliding block 16 is slidingly connected with a tension adjusting block 18, and a second spring 17 is fixedly connected between the bottom of the tension adjusting block 18 and the inner wall of the sliding block 16; when the tension needs to be adjusted, the pull rod 12 on the fixed box 11 is pulled, the first spring 13 is compressed, the pull rod 12 is separated from the groove 15 on the threaded rod 10, the threaded rod 10 is rotated, the threaded rod 10 drives the sliding block 16 to slide up and down along the limiting box 4 under the limitation of the limiting box 4, and the tension adjusting block 18 in the sliding block 16 can adjust the tension of the yarns under the action of the second spring 17, so that the stable operation of the yarns in the link is ensured.

[0030] The outer wall of the limiting box 4 is fixedly connected with a fixed box 11, the inner wall of the fixed box 11 is slidably connected with a pull rod 12, a groove 15 matched with one end of the pull rod 12 is formed in the threaded rod 10, and the pull rod 12 is movably clamped in the groove 15; after the tension adjustment is completed, the pull rod 12 is loosened, the first spring 13 is reset, and under the action of the first spring 13, the pull rod 12 is clamped in the groove 15 on the threaded rod 10, the threaded rod 10 is limited, rotation of the threaded rod 10 is prevented, and subsequent work of the doubling machine is facilitated.

[0031] Working principle

[0032] When the device is in use, the threaded hole on the mounting block 2 is installed on the doubling machine, the yarn enters the doubling machine guide from the outside, first passes above the tension adjusting block 18, then passes through the guide rod 3, the guide rod 3 is fixed to the inner wall of the support frame 1, and the plurality of guide wheels 31 on the guide rod 3 can guide the yarn and smoothly guide the yarn to the subsequent process; finally, the yarn reaches the guide block 8, the guide hole 9 at the top of the guide block 8 is used for guiding the yarn, the motor 5 is started, the motor 5 drives the bidirectional threaded rod 6 to rotate, the guide block 8 is threadedly connected with the bidirectional threaded rod 6 and slidably connected with the limiting rod 7, so that the guide block 8 can move on the bidirectional threaded rod 6, the adjustment of the guide distance is realized, and flexible yarn guiding can be performed on single, multiple or different color yarns.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A yarn guiding device for a yarn-pulling machine, comprising a support frame (1), a guide rod (3) mounted on the support frame (1), a limit box (4) fixedly connected to one end of the support frame (1), two sets of limit boxes (4), a tension adjusting block (18) provided on the limit box (4), and an mounting block (2) fixedly connected to the outer wall of the support frame (1), the mounting block (2) being provided with a threaded hole, characterized in that, Also includes: The support frame (1) has several yarn guide blocks (8) at one end away from the limiting box (4). The support frame (1) is equipped with an adjustment component, which adjusts the yarn guide spacing through the yarn guide blocks (8). It can also adjust the yarn guide for single strands, multiple strands, or yarns of different colors.

2. The yarn guiding device for a doubling machine according to claim 1, characterized in that: The top of the yarn guide block (8) is provided with a yarn guide hole (9).

3. The yarn guiding device for a doubling machine according to claim 1, characterized in that: The adjustment assembly includes a motor (5), a bidirectional threaded rod (6), and a limiting rod (7). The motor (5) is fixedly connected to the side wall of the support frame (1). The bidirectional threaded rod (6) is fixedly connected to the output end of the motor (5) and rotatably connected to the inner wall of the support frame (1). The limiting rod (7) is fixedly connected to the inner wall of the support frame (1). The inner wall of the yarn guide block (8) is threadedly connected to the outer wall of the bidirectional threaded rod (6). The inner wall of the yarn guide block (8) is slidably connected to the outer wall of the limiting rod (7).

4. The yarn guiding device for a doubling machine according to claim 1, characterized in that: The guide rod (3) is fixedly connected to the inner wall of the support frame (1), and a number of guide wheels (31) are installed on the guide rod (3).

5. A yarn guiding device for a doubling machine according to claim 1, characterized in that: The limiting box (4) is provided in two sets and is respectively set on both sides of the support frame (1). One set of the limiting box (4) has a threaded rod (10) rotatably connected to the inner wall. A sliding block (16) is provided between the two sets of the limiting boxes (4). One end of the sliding block (16) is slidably connected to the inner wall of the limiting box (4). The outer wall of the threaded rod (10) is threadedly connected to the inner wall of the sliding block (16).

6. The yarn guiding device for a doubling machine according to claim 1, characterized in that: A tension adjusting block (18) is slidably connected to the inner wall of the sliding block (16), and a second spring (17) is fixedly connected between the bottom of the tension adjusting block (18) and the inner wall of the sliding block (16).

7. A yarn guiding device for a doubling machine according to claim 5, characterized in that: The outer wall of the limiting box (4) is fixedly connected to a fixing box (11), and the inner wall of the fixing box (11) is slidably connected to a pull rod (12). The threaded rod (10) has a groove (15) that matches one end of the pull rod (12), and the pull rod (12) is movably engaged in the groove (15).

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