Telescopic yarn guiding mechanism for yarn

Abstract

The utility model discloses a telescopic yarn guide mechanism for yarns, which relates to the technical field of yarn guide and comprises a bottom plate and side plates, a horizontally arranged fixed platform plate is fixedly connected between the upper ends of the two side plates, and a mounting shaft parallel to the fixed platform plate is fixedly connected between the lower ends of the two side plates. A guide wheel is rotatably connected to the middle of the mounting shaft, an air cylinder device is fixedly connected to the center of the fixed platform plate, vertical buffer column devices slidably connected with the fixed platform plate are arranged on the two sides of the air cylinder device, a lifting table is slidably connected to the buffer column devices, and the lifting table is fixedly connected with the lower end of the air cylinder device. The lower end of the buffer column device is fixedly connected with a stable wire guiding mechanism, the stable wire guiding mechanism comprises a mounting platform plate, and the mounting platform plate is provided with an upper pressing roller device and a wire guiding wheel device which correspond to each other up and down. The stability of the device is greatly improved, and the situation that yarn is pulled apart is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to yarn guide wire technical field, concretely relates to a kind of telescopic guide wire mechanism for yarn. BACKGROUND

[0002] Yarn is the textile thread processed by various textile fibers, used for weaving, making thread, knitting and other textile processes, and most of the existing textiles are basically woven with different yarns.Yarn needs to be guided when weaving, which facilitates the cooperation of yarn and equipment to complete the weaving work.

[0003] The yarn guide device disclosed in Chinese patent No.CN202020534354.5 includes a fixed base, a clamping mechanism is installed at the left end of the fixed base, a U-shaped plate is fixedly installed at the right end of the fixed base, a fixed frame is fixedly installed at the left end inside the U-shaped plate, a fixed rod is fixedly connected to the lower end of the fixed frame, a limiting wheel is installed at the lower end of the fixed rod, an upper telescopic rod is fixedly installed at the upper end inside the U-shaped plate, a No.1 rotating roller is installed at the lower end of the upper telescopic rod, a lower telescopic rod is arranged below the No.1 rotating roller and fixedly connected to the fixed base at the lower end, a No.2 rotating roller is installed at the upper end of the lower telescopic rod, the clamping mechanism includes a No.1 fixed plate, a No.2 fixed plate, a No.1 clamping plate, a No.2 clamping plate and a threaded rod, the No.1 fixed plate and the No.2 fixed plate are respectively fixedly connected to the two ends of the fixed base, and grooves are respectively formed at the two sides of the upper end of the fixed base.The device limits the direction of yarn pulling, prevents yarn from detaching from the rotating roller, automatically positions the clamping mechanism, and ensures stable rotation of the yarn guide wheel without jumping.However, when the yarn guide wheel is unwinding, the yarn will move axially and reciprocally on the yarn guide wheel, the limiting wheel cannot move axially and reciprocally synchronously, and the No.1 rotating roller and the No.2 rotating roller use telescopic rods as guiding devices, which reduces the running stability of the guide device and easily causes yarn breakage. SUMMARY

[0004] To solve the problems in the above background art, the utility model provides a telescopic guide wire mechanism for yarn, which improves the guide stability of yarn.

[0005] To achieve the above purpose, the specific technical solutions of the utility model are as follows:

[0006] The utility model relates to a retractable yarn guide mechanism for yarn, including the bottom plate, the upper end surface fixed connection of bottom plate has the vertical symmetry side plate that goes up, two the fixed connection of side plate upper end between fixed platform board that sets up horizontally, the fixed connection of two side plate lower end between the installation shaft parallel with fixed platform board, the rotatory connection of installation shaft middle position has the guide wheel, fixed platform board center fixed connection has the cylinder device, and the buffer column device that slides with fixed platform board is equipped with vertical in the both sides of cylinder device, the buffer column device upper slide connection has the lifting platform, and the fixed connection of lifting platform with cylinder device lower end, the fixed connection of buffer column device lower end has stable yarn guide mechanism, stable yarn guide mechanism includes installation platform board, and the upper and lower correspondence of installation platform board is equipped with upper pressure roller device and yarn wheel device.

[0007] As a further arrangement of the above-mentioned scheme, the fixed platform board is provided with symmetrical first guide bushings, and the lifting platform is provided with symmetrical second guide bushings.

[0008] As a further arrangement of the above-mentioned scheme, the buffer column device includes a buffer column, which is slidably connected with the first guide bushings and the second guide bushings, a limiting platform is arranged at the upper end of the buffer column, and symmetrical buffer springs are arranged on the buffer column, the upper end of the upper buffer spring is fixedly connected with the limiting platform, the lower end of the upper buffer spring is fixedly connected with the first guide bushing, the upper end of the lower buffer spring is fixedly connected with the second guide bushing, and the lower end of the lower buffer spring is fixedly connected with the installation platform board.

[0009] As a further arrangement of the above-mentioned scheme, the installation platform board is provided with a bridge plate, vertical sliding grooves are formed in the inner sides of the side plates of the bridge plate, connecting platforms are arranged on the two sides of the bridge plate and fixedly connected with the lower ends of the buffer columns, the upper pressure roller device includes a sliding plate, the sliding plate is slidably connected in the sliding grooves, uniform distribution of pressure springs are arranged on the upper end surface of the sliding plate, the upper ends of the pressure springs are fixedly connected with the bridge plate, and the lower end of the sliding plate is rotatably connected with the upper pressure roller.

[0010] As a further arrangement of the above-mentioned scheme, the yarn wheel device includes a lower installation plate, which is fixedly installed vertically downward on the installation platform board, yarn shafts are fixedly installed between the lower installation plates, yarn wheels are rotatably connected on the yarn shafts, baffle plates are rotatably connected at the two ends of the yarn wheels, stabilizing springs are arranged outside the baffle plates and sleeved on the yarn shafts, under the action of the pressure springs, the upper pressure roller is rollingly connected with the yarn wheel to limit the yarn.

[0011] The utility model has the following beneficial effects:

[0012] The yarn passes through the upper compression roller and the guide wheel, and then is wound from below the guide wheel, so as to realize the guide function; under the action of the buffer spring, the stable guide mechanism buffers the yarn in the vertical direction through the upper compression roller and the guide wheel, so as to improve the stability of the yarn guide; the cylinder device drives the lifting platform to move up or down, drives the stable guide mechanism to move up or down through the buffer spring, and simultaneously, due to the increase of the compression or stretching amount of the buffer spring, the buffer force received by the stable guide mechanism is increased, the position of the yarn is changed, the tension of the yarn is adjusted, and the applicability of the device is improved.

[0013] When the yarn advances, the guide wheel rotates on the guide shaft, and when the yarn swings in the axial direction during the unwinding, the guide wheel synchronously swings in the axial direction on the guide shaft, the stable spring ensures the stability of the guide wheel, and the stability of the device is further improved, and the yarn breakage is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the appearance schematic view of the utility model;

[0015] Figure 2 is the lifting platform, buffer column device and stable guide mechanism assembly drawing of the utility model;

[0016] Figure 3 is the stable guide mechanism sectional view schematic view of the utility model;

[0017] Figure 4 is the upper compression roller device schematic view of the utility model.

[0018] 1, bottom plate; 2, side plate; 3, fixed platform plate; 4, mounting shaft; 5, guide wheel; 6, cylinder device; 7, lifting platform; 8, buffer column device; 9, stable guide mechanism; 301, first guide shaft sleeve; 701, second guide shaft sleeve; 801, buffer column; 802, limiting platform; 803, buffer spring; 901, mounting platform plate; 9011, bridge plate; 9012, sliding groove; 9013, connecting platform; 902, upper compression roller device; 9021, sliding plate; 9022, compression spring; 9023, upper compression roller; 903, guide wheel device; 9031, lower mounting plate; 9032, guide shaft; 9033, guide wheel; 9034, stable spring; 9035, baffle. DETAILED DESCRIPTION

[0019] In order to enable personnel in the technical field to better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0020] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments. Figures 1-4 The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0021] As shown in Figure 1 , Figure 2 , a stretchable yarn guide mechanism for yarn, the bottom plate 1 upper end surface is fixedly connected with vertically upward symmetrical side plates 2, the two side plates 2 upper end are fixedly connected with horizontally arranged fixed platform plates 3, the two side plates 2 lower ends are fixedly connected with installation shafts 4 parallel to the fixed platform plates 3, the installation shafts 4 middle positions are rotatably connected with guide wheels 5, the fixed platform plates 3 centers are fixedly connected with cylinder devices 6, the cylinder devices 6 sides are provided with vertical buffer column devices 8 slidingly connected with the fixed platform plates 3, the buffer column devices 8 are slidingly connected with lifting platforms 7, the lifting platforms 7 are fixedly connected with the cylinder devices 6 lower ends, the buffer column devices 8 lower ends are fixedly connected with stable yarn guide mechanisms 9, the stable yarn guide mechanisms 9 include installation platform plates 901, the installation platform plates 901 are provided with upper and lower corresponding upper compression roller devices 902 and yarn guide wheel devices 903.

[0022] The fixed platform plates 3 are provided with symmetrical first guide shaft sleeves 301, the lifting platforms 7 are provided with symmetrical second guide shaft sleeves 701, the first guide shaft sleeves 301 and the second guide shaft sleeves 701 are provided in upper and lower correspondence.

[0023] As shown in Figure 2 , the buffer column devices 8 include buffer columns 801, the buffer columns 801 are slidingly connected with the first guide shaft sleeves 301 and the second guide shaft sleeves 701, the buffer columns 801 upper ends are provided with limiting platforms 802, the buffer columns 801 are provided with upper and lower symmetrical buffer springs 803, the upper buffer springs 803 upper ends are fixedly connected with the limiting platforms 802, the upper buffer springs 803 lower ends are fixedly connected with the first guide shaft sleeves 301, the lower buffer springs 803 upper ends are fixedly connected with the second guide shaft sleeves 701, and the lower buffer springs 803 lower ends are fixedly connected with the installation platform plates 901.

[0024] As shown in Figure 3 , Figure 4As shown, the mounting platform plate 901 is provided with a bridge plate 9011, a vertical sliding groove 9012 is opened in the inner side of the side plate of the bridge plate 9011, and connecting tables 9013 are arranged on both sides of the bridge plate 9011 and are fixedly connected with the lower ends of the buffer columns 801. The upper pressing roller device 902 comprises a sliding plate 9021 which is slidingly connected in the sliding groove 9012, and the upper end surface of the sliding plate 9021 is provided with uniformly distributed pressure springs 9022 which are fixedly connected with the bridge plate 9011, and the lower end of the sliding plate 9021 is rotatably connected with an upper pressing roller 9023. The wire guide wheel device 903 comprises a lower mounting plate 9031 which is fixedly mounted vertically downward on the mounting platform plate 901, and wire shafts 9032 are fixedly mounted between the lower mounting plates 9031, and wire guide wheels 9033 are rotatably connected on the wire shafts 9032, and baffle plates 9035 are rotatably connected at both ends of the wire guide wheels 9033, and stabilizing springs 9034 are arranged outside the baffle plates 9035 and are sleeved on the wire shafts 9032, and under the action of the pressure springs 9034, the upper pressing roller 9023 is rollingly connected with the wire guide wheels 9033 to limit the yarn.

[0025] The working process of the utility model: after the yarn passes through the upper pressing roller 9023 and the wire guide wheel 9033, it is wound from below the guide wheel 5, and under the guiding and supporting action of the wire guide wheel 9033 and the guide wheel 5, it advances, and under the action of the pressure spring 9034, the upper pressing roller 9023 presses and fixes the yarn, and when the yarn advances, it drives the wire guide wheel 9033 to rotate on the wire shaft 9032, and because the yarn will reciprocate axially when paying off, under the action of the yarn, the wire guide wheel 9033 synchronously reciprocates axially on the wire shaft 9032 with a small amplitude, and the stabilizing spring 9034 ensures the stability of the wire guide wheel 9033 and reduces the condition of the yarn being pulled off.

[0026] When the cylinder device 6 is in a natural state, the lifting platform 7 is fixed, at this time, under the action of the gravity of the stable wire guiding mechanism 9 and the yarn advancing, the lower buffer spring 803 is stretched and the upper buffer spring 803 is compressed, so as to provide a buffer force for the stable wire guiding mechanism 9, and the stable wire guiding mechanism 9 buffers and supports the yarn through the upper pressing roller 9023 and the wire guide wheel 9033, at this time, the amplitude of the yarn vibrating up and down is the largest, and it is easier and can automatically adjust the buffer supporting force, so as to improve the stability of the yarn advancing.

[0027] The cylinder device 6 drives the lifting platform 7 to move downward, the upper and lower buffer springs 803 are compressed, force balance is reached, the function of adjusting the position of the stable wire guide mechanism 9 downward is realized; the cylinder device 6 drives the lifting platform 7 to move upward, the upper and lower buffer springs 803 are stretched, force balance is reached, the function of adjusting the position of the stable wire guide mechanism 9 upward is realized, whether the position of the stable wire guide mechanism 9 is adjusted upward or downward, because the compression or stretching amount of the buffer spring 803 is large, the buffer force received by the stable wire guide mechanism 9 is large, the amplitude of the up-and-down vibration of the yarn is small, and the buffer support received by the yarn is more stable.

[0028] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model.

[0029] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, the description manner of the specification is only for the sake of clarity, the technical solutions in each embodiment can also be combined appropriately to form other embodiments that can be understood by those skilled in the art.

Claims

1. A retractable guide mechanism for yarns, comprising a base plate, a vertically upward symmetrical side plate fixedly connected to the upper end face of the base plate, a horizontal fixed platform plate fixedly connected between the upper ends of the two side plates, an installation shaft parallel to the fixed platform plate fixedly connected between the lower ends of the two side plates, and a guide wheel rotatably connected to the middle position of the installation shaft, characterized in that, The fixed platform plate is fixedly connected with a cylinder device at the center, vertical buffer column devices are arranged on both sides of the cylinder device and are in sliding connection with the fixed platform plate, a lifting platform is in sliding connection with the buffer column devices, the lifting platform is fixedly connected with the lower end of the cylinder device, a stable wire guide mechanism is fixedly connected with the lower end of the buffer column devices, and the stable wire guide mechanism comprises a mounting platform plate.

2. The stretchable thread guide mechanism for a yarn of claim 1, wherein, Symmetrical first guide bushings are arranged on the fixed platform plate, symmetrical second guide bushings are arranged on the lifting platform, and the first guide bushings and the second guide bushings are arranged in correspondence with each other.

3. The retractable guide mechanism for a thread according to claim 2, characterized in that, The buffer column device comprises a buffer column, the buffer column is in sliding connection with the first guide bushings and the second guide bushings, a limiting platform is arranged on the upper end of the buffer column, symmetrical buffer springs are arranged on the buffer column in a sleeved manner, the upper end of the upper buffer spring is fixedly connected with the limiting platform, the lower end of the upper buffer spring is fixedly connected with the first guide bushing, the upper end of the lower buffer spring is fixedly connected with the second guide bushing, and the lower end of the lower buffer spring is fixedly connected with the mounting platform plate.

4. The retractable guide mechanism for a thread according to claim 2, characterized in that, A bridge plate is arranged on the mounting platform plate, vertical sliding grooves are formed in the inner sides of the side plates of the bridge plate, connecting platforms are arranged on both sides of the bridge plate, the connecting platforms are fixedly connected with the lower ends of the buffer columns, the upper pressing roller device comprises a sliding plate, the sliding plate is in sliding connection with the sliding grooves, the upper end surface of the sliding plate is provided with uniformly distributed pressure springs, the upper ends of the pressure springs are fixedly connected with the bridge plate, and the lower end of the sliding plate is rotatably connected with an upper pressing roller.

5. The retractable guide mechanism for a thread according to claim 4, characterized in that, The wire guide device comprises a lower mounting plate, the lower mounting plate is fixedly arranged on the mounting platform plate in a vertical downward manner, wire shafts are fixedly arranged between the lower mounting plates, wire wheels are rotatably connected with the wire shafts, baffle plates are rotatably connected with both ends of the wire wheels, stable springs are arranged on the outer sides of the baffle plates, and the stable springs are sleeved on the wire shafts.

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