Yarn conveying mechanism

Abstract

The utility model discloses a yarn conveying mechanism which comprises two wall plates which are symmetrically arranged, a plurality of symmetrical first sliding holes are formed in the two wall plates, yarn cylinders are installed in the two opposite first sliding holes in a sliding mode, first screws are fixed to the two ends of each yarn cylinder, and the first screws are fixed in the first sliding holes through first fasteners. The upper ends of the two wall plates are connected with extension plates extending towards one side, second sliding holes are formed in the extension plates, multiple sets of second screws matched with yarn bobbins are movably arranged in the second sliding holes, the second screws are fixed in the second sliding holes through second fasteners, the lower ends of the second screws are connected with a rectangular frame, and the lower end of the rectangular frame is rotationally connected with a tensioning roller; the rectangular frame is higher than the first sliding hole. One yarn cylinder can be installed in each first sliding hole, the yarn cylinders in the different first sliding holes are arranged in an up-down staggered mode, and therefore multiple sets of yarn can be conveyed at the same time, and the conveying efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to yarn conveying technical field, concretely relates to a yarn conveying mechanism. BACKGROUND

[0002] Yarn needs to use yarn conveying mechanism when conveying, but current yarn conveying mechanism has following problems: (1) can only install one yarn cylinder each time, namely can only convey one group of yarn each time, and conveying efficiency is low, (2) yarn is easy to loosen when conveying, thus needs to use tensioning mechanism to tension loose yarn, but if too many yarns are conveyed simultaneously, the tensioning mechanism is easy to tension all yarns simultaneously, cannot only tension loose yarn, and is inconvenient to use. SUMMARY

[0003] To solve the problems in the above background art, the utility model provides a yarn conveying mechanism to solve the problems mentioned in the above background art.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A yarn conveying mechanism, comprising two wallboards arranged symmetrically, a plurality of symmetric first sliding holes are formed in the two wallboards, yarn cylinders are slidably installed in the opposite two first sliding holes, first screws are fixed to the two ends of the yarn cylinders, the first screws are fixed in the first sliding holes through first fasteners, the upper ends of the two wallboards are connected with an extension plate extending to one side, a second sliding hole is formed in the extension plate, a plurality of second screws matched with the yarn cylinders are movably arranged in the second sliding hole, the second screws are fixed in the second sliding hole through second fasteners, the lower ends of the second screws are connected with a rectangular frame, the rectangular frame is rotatably connected with a tensioning roller at the lower end, and the height of the rectangular frame is greater than the height of the first sliding hole.

[0006] Preferably, the first fastener comprises a first nut threadedly connected to the first screw, and the first nut is tightly pressed against the outer side of the wallboard.

[0007] Preferably, the second fastener comprises two second nuts threadedly connected to the second screw, and the two second nuts are tightly pressed against the top surface and the bottom surface of the extension plate.

[0008] Preferably, an installation lug is connected to the outer side of the lower end of the wallboard, and an installation hole is formed in the installation lug.

[0009] Preferably, the upper end of the second screw is connected with a limiting plate, and the diameter of the limiting plate is greater than the width of the second sliding hole.

[0010] Compared with the prior art, the utility model has the advantages of:

[0011] A yarn cylinder can be installed in each first sliding hole, and the yarn cylinders in different first sliding holes are arranged alternately, so that multiple groups of yarns can be transported simultaneously, and the transportation efficiency is improved.

[0012] The tensioning roller corresponds to the yarn cylinder one by one, the yarns on all the yarn cylinders pass through all the rectangular frames, and the tensioning roller is located above the yarn transported by the corresponding yarn cylinder, when any group of yarns is loose, the second fastener is loosened, the second screw rod moves downward, the corresponding yarn is pressed by the tensioning roller, and then the corresponding yarn is tensioned, and the descending tensioning roller does not press all the yarns. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a structural schematic view of the utility model;

[0014] Fig. 2 It is a sectional view of the utility model;

[0015] In the figure: 1-wallboard, 2-first sliding hole, 3-yarn cylinder, 4-first screw rod, 5-extended plate, 6-second sliding hole, 7-first screw rod, 8-rectangular frame, 9-tensioning roller, 10-first nut, 11-second nut, 12-mounting lug, 13-limiting plate. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to 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 those skilled in the art without creative labor belong to the protection scope of the utility model.

[0017] Embodiment 1

[0018] Please refer to Figs. 1-2 A yarn conveying mechanism, comprising two wallboards 1 arranged symmetrically, a plurality of symmetric first sliding holes 2 are formed in the two wallboards 1, yarn cylinders 3 are slidably installed in the opposite two first sliding holes 2, first screw rods 4 are fixed at both ends of the yarn cylinders 3, the first screw rods 4 are fixed in the first sliding holes 2 through first fasteners, specifically, the first fasteners comprise first nuts 10 threadedly connected to the first screw rods 7, and the first nuts 10 are tightly pressed on the outer side of the wallboard 1. Loosen the first nut 10, the position of the first screw rod 7 can be adjusted, so that the position of the yarn cylinder 3 can be adjusted, and when reaching the required position, the first nut 10 is tightened again, so that the yarn cylinder 3 can be kept fixed.

[0019] The upper end of the two wallboards 1 is connected with an extension plate 5 extending to one side, the extension plate 5 is provided with a second sliding hole 6, a plurality of second screw rods 7 matched with the yarn cylinder 3 are movably arranged in the second sliding hole 6, the second screw rod 7 is fixed in the second sliding hole 6 through a second fastener, specifically, the second fastener comprises two second nuts 11 screwed on the second screw rod 7, and the two second nuts 11 are tightly pressed on the top surface and the bottom surface of the extension plate 5. The position and height of the second screw rod 7 can be adjusted by loosening the second nut 10, so that the position and height of the tensioning roller 9 are adjusted, and when the required position is reached, the second nut 10 is tightened again, so that the tensioning roller 9 is kept fixed.

[0020] The lower end of the second screw rod 7 is connected with a rectangular frame 8, the lower end of the rectangular frame 8 is rotatably connected with the tensioning roller 9, and the height of the rectangular frame 8 is greater than the height of the first sliding hole 2; when the rectangular frame 8 moves up and down, the yarn on all the yarn cylinders 3 is always in the rectangular frame, and the rectangular frame does not extrude the yarn.

[0021] The outer side of the lower end of the wallboard 1 is connected with a mounting ear 12, and the mounting ear 12 is provided with a mounting hole. The wallboard can be mounted at the required position through the mounting ear.

[0022] The working principle of the embodiment is that one yarn cylinder 3 can be mounted in each first sliding hole 2, the yarn cylinders 3 in different first sliding holes 2 are arranged alternately up and down, so that a plurality of groups of yarns can be conveyed at the same time, and the conveying efficiency is improved. The tensioning roller 9 corresponds to the yarn cylinder 3 in one-to-one correspondence, the yarn on all the yarn cylinders 3 passes through all the rectangular frames 8, and the tensioning roller 9 is located above the yarn conveyed by the corresponding yarn cylinder 3; when any group of yarns is loose, the second fastener is loosened, the second screw rod 7 moves downward, the corresponding yarn is extruded through the tensioning roller 9, and the descending tensioning roller 9 does not extrude all the yarns.

[0023] Embodiment 2

[0024] On the basis of the embodiment 1, the upper end of the second screw rod 7 is connected with a limiting plate 13, and the diameter of the limiting plate 13 is greater than the width of the second sliding hole 6. The existence of the limiting plate can prevent the second screw rod from falling off from the second sliding hole.

[0025] 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, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A yarn delivery mechanism characterized by: The utility model relates to a wallboard, including symmetrically arranged two wallboards (1), a plurality of symmetric first sliding holes (2) are set up on two wallboards (1), opposite two first sliding holes (2) are slidably installed with yarn cylinder (3), and the both ends of yarn cylinder (3) are fixed with first screw rod (4), and first screw rod (4) is fixed in first sliding hole (2) through first fastener, and the upper end of two wallboards (1) is connected with the extension plate (5) extending to one side, and the second sliding hole (6) is set up on extension plate (5), and the second sliding hole (6) is movably provided with a plurality of groups and yarn cylinder (3) matched second screw rod (7), and second screw rod (7) is fixed in second sliding hole (6) through second fastener, and the lower end of second screw rod (7) is connected with rectangular frame (8), and the lower end of rectangular frame (8) is rotatably connected with tensioning roller (9), and the height of rectangular frame (8) is greater than the height of first sliding hole (2).

2. A yarn delivery mechanism according to claim 1, characterised in that: The first fastener includes a first nut (10) screwed on the first screw rod (4), and the first nut (10) is tightly pressed against the outer side of the wallboard (1).

3. A yarn delivery mechanism according to claim 2, wherein: The second fastener includes two second nuts (11) screwed on the second screw rod (7), and the two second nuts (11) are tightly pressed against the top and bottom surfaces of the extension plate (5).

4. A yarn delivery mechanism according to claim 3, wherein: The outer side of the lower end of the wallboard (1) is connected with a mounting lug (12), and the mounting lug (12) is provided with a mounting hole.

5. A yarn delivery mechanism according to any one of claims 1 to 4, wherein: The upper end of the second screw rod (7) is connected with a limiting plate (13), and the diameter of the limiting plate (13) is greater than the width of the second sliding hole (6).

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