Oblique weft cloth unwinding device

Abstract

The utility model relates to the technical field of textile, in particular to a skew weft cloth unwinding device, which comprises an unwinding mechanism, an unwinding mechanism, a winding mechanism and a winding mechanism, the unwinding mechanism comprises a positive 45-degree unwinding roller, a negative 45-degree unwinding roller and a heightening support, the negative 45-degree unwinding roller and the positive 45-degree unwinding roller are arranged at an angle of 90 degrees, and the heightening support is used for placing the negative 45-degree unwinding roller above the positive 45-degree unwinding roller; the weft cloth processing mechanism and the positive 45-degree unwinding roller are arranged in a manner of forming an angle of + 45 degrees, the weft cloth processing mechanism and the negative 45-degree unwinding roller are arranged in a manner of forming an angle of-45 degrees, and the weft cloth processing mechanism is used for winding weft cloth; wherein the positive 45-degree unwinding roller and the negative 45-degree unwinding roller are arranged in a 90-degree staggered manner, and the distances between the central points of the positive 45-degree unwinding roller and the negative 45-degree unwinding roller and the weft cloth processing mechanism are consistent. By means of the positive 45-degree unwinding roller and the negative 45-degree unwinding roller which are arranged up and down in a staggered mode, the problem that one of the positive 45-degree unwinding roller and the negative 45-degree unwinding roller is far away from the weft cloth processing mechanism is solved, and then the symptom that the cloth cover collapses in the unwinding process of the unwinding device is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of textile, in particular to a weft cloth unwinding device for inclined weft cloth. Background Art

[0002] The weft cloth unwinding device is an important device in the textile industry for processing textile materials such as weft knitted fabrics. The warp unwinding device is responsible for continuously and evenly unwinding the warp yarn at a certain speed and tension and supplying it to the device for knitting. In some cases, an inclined weft cloth unwinding device is used, such as in scenarios where the unwinding angle of the weft cloth needs to be precisely controlled.

[0003] In the related art, the traditional inclined weft cloth unwinding device adopts a ±45° unwinding method. The -45° unwinding device and the +45° unwinding device are placed on the same horizontal plane, and the +45° unwinding device is placed at a position farther from the subsequent processing device.

[0004] However, the above-mentioned unwinding setting method has the problem of cloth surface collapse. This traditional method makes the distance between the +45° unwinding and the device too far, which may cause the symptom of cloth surface collapse during the unwinding of the +45° inclined weft cloth. Summary of the Utility Model

[0005] In view of at least one of the above technical problems, the utility model provides an inclined weft cloth unwinding device, which adopts a method of placing the +45° unwinding roller and the -45° unwinding roller in a vertically staggered manner to avoid cloth surface collapse.

[0006] According to the first aspect of the utility model, there is provided an inclined weft cloth unwinding device, comprising:

[0007] An unwinding mechanism, the unwinding mechanism includes a +45° unwinding roller placed horizontally, a -45° unwinding roller placed at 90° to the +45° unwinding roller in the horizontal plane, and a heightening bracket for placing the -45° unwinding roller above the +45° unwinding roller;

[0008] A weft cloth processing mechanism, the weft cloth processing mechanism is separated from the +45° unwinding roller and the -45° unwinding roller by +45° and -45° respectively in the vertical plane, and the weft cloth processing mechanism is used for winding the weft cloth;

[0009] Wherein, the +45° unwinding roller and the -45° unwinding roller are placed in a 90° staggered manner, and the distances from the center points of the +45° unwinding roller and the -45° unwinding roller to the weft cloth processing mechanism are the same.

[0010] In some embodiments of the utility model, the inclined weft cloth unwinding device includes an upper cloth mechanism, and the upper cloth mechanism includes steps arranged at both axial ends of the -45° unwinding roller, and the two steps are fixedly connected to the heightening bracket.

[0011] In some embodiments of the present utility model, fixing components are provided at both ends of the heightening bracket along the axial direction of the -45° unwinding roller. A middle-section staircase is provided between both ends of the axial direction of the -45° unwinding roller, and a buckle is provided on the middle-section staircase, and the buckle is connected to the fixing components.

[0012] In some embodiments of the present utility model, the upper cloth mechanism includes a movable mounting bracket for supporting the +45° unwinding roller, and a guiding component arranged to guide the mounting bracket.

[0013] In some embodiments of the present utility model, the guiding component includes a limiting guide rail and a directional wheel. The limiting guide rail is provided at one end in the axial direction of the +45° unwinding roller. The limiting guide rail is arranged parallel to the axis of the +45° unwinding roller. Casters are provided at the bottom of the mounting bracket, and the casters cooperate with the limiting guide rail. A limiting block is provided at a set position of the limiting guide rail. At the other end in the axial direction of the +45° unwinding roller, a directional wheel is provided at the bottom end of the mounting bracket.

[0014] In some embodiments of the present utility model, roller rollers are respectively provided on one side where the axes of the +45° unwinding roller and the -45° unwinding roller are parallel.

[0015] In some embodiments of the present utility model, taper tension controllers are provided at one end of both of the roller rollers.

[0016] In some embodiments of the present utility model, a cloth guiding mechanism is provided between the unwinding mechanism and the weft cloth processing mechanism. The cloth guiding mechanism includes an adjustable cloth guiding bracket. An inclined support is provided on one side of the adjustable cloth guiding bracket. An upper cloth guiding roller and a lower cloth guiding roller are sequentially provided on the cloth guiding bracket from top to bottom.

[0017] In some embodiments of the present utility model, the cloth unwound from the -45° unwinding roller passes through the upper cloth guiding roller and then enters the lower cloth guiding roller in an S shape and then enters the weft cloth processing mechanism. The cloth unwound from the +45° unwinding roller enters the lower cloth guiding roller and then enters the weft cloth processing mechanism.

[0018] In some embodiments of the present utility model, magnetic powder brakes are installed on the shafts of the +45° unwinding roller, the -45° unwinding roller, the upper cloth guiding roller, and the lower cloth guiding roller.

[0019] The beneficial effects of the present utility model are as follows: Through the mutually staggered positive 45-degree unwinding rollers and negative 45-degree unwinding rollers arranged up and down, the positive 45-degree unwinding rollers or the negative 45-degree unwinding rollers are compactly arranged and meet the use requirements for the unwinding of bias weft cloth; compared with the prior art, it avoids the problem that one of the positive 45-degree unwinding rollers and the negative 45-degree unwinding rollers is far away from the weft cloth processing mechanism, and further avoids the symptom that the cloth surface collapses during the unwinding process of the unwinding device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0021] Figure 1 is a schematic structural diagram of the bias weft cloth unwinding device in the embodiment of the present utility model;

[0022] Figure 2 is a schematic structural diagram of the bias weft cloth unwinding device from another perspective in the embodiment of the present utility model;

[0023] Figure 3 is a schematic structural diagram of the negative 45-degree unwinding roller in the embodiment of the present utility model;

[0024] Figure 4 is a schematic structural diagram of the positive 45-degree unwinding roller in the embodiment of the present utility model;

[0025] Figure 5 is a schematic structural diagram of the cloth guiding mechanism in the embodiment of the present utility model;

[0026] Figure 6 In the embodiment of the present utility model Figure 3 is a partial enlarged view of point A therein;

[0027] Figure 7 In the embodiment of the present utility model Figure 5 is a partial enlarged view of point B therein;

[0028] Figure 8 is a cloth surface running route diagram in the embodiment of the present utility model.

[0029] Description of reference numerals in the drawings: 1. Unwinding mechanism; 11. Unwinding roller at 45° positive; 12. Unwinding roller at 45° negative; 13. Raised support; 14. Roller; 15. Taper tension controller; 2. Weft fabric processing mechanism; 3. Upper fabric mechanism; 31. Step; 32. Fixed component; 33. Middle section staircase; 33a. Buckle; 34. Mounting bracket; 35. Guide component; 35a. Caster; 35b. Limit guide rail; 35b1. Limit block; 35c. Directional wheel; 4. Fabric guiding mechanism; 41. Adjustable fabric guiding bracket; 41a. Inclined support; 42. Upper fabric guiding roller; 43. Lower fabric guiding roller; 5. Magnetic powder brake. Detailed implementation manners

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0031] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may also be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be a middle element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only implementation manner.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present invention belongs. The terms used in the description of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0033] As Figures 1 to 7 shown in the inclined weft fabric unwinding device, including: an unwinding mechanism and a weft fabric processing mechanism;

[0034] The unwinding mechanism 1, the unwinding mechanism 1 includes a horizontally placed unwinding roller 11 at 45° positive, an unwinding roller 12 at 45° negative placed at 90° to the unwinding roller 11 at 45° positive in the horizontal plane, and a raised support 13 for placing the unwinding roller 12 at 45° negative above the unwinding roller 11 at 45° positive; As Figures 1-2As shown, by setting up the heightening bracket 13, the unwind roller 12 at -45° can be placed staggered up and down with the unwind roller 11 at +45°, which can effectively solve the problem that the fabric surface collapses on the unwind roller 11 at +45°. While meeting the unwind requirements, it also saves the use of the workshop site, making the space utilization rate of the workshop site higher and improving the overall device processing efficiency in the workshop. It should be noted here that the heightening bracket 13 can be an immovable fixed bracket with higher stability, or it can be a bracket with adjustable height to match more unwind situations. The specific structural form of the height-adjustable bracket can be a thread-adjustable type or a pneumatic-adjustable type.

[0035] The weft fabric handling mechanism 2, the weft fabric handling mechanism 2 is separated by +45° and -45° respectively from the unwind roller 11 at +45° and the unwind roller 12 at -45° in the vertical plane. The weft fabric handling mechanism 2 is used for winding the weft fabric; the angles between the unwind roller 11 at +45°, the unwind roller 12 at -45° and the weft fabric handling mechanism 2 are the same, which can ensure that the unwind roller 11 at +45° and the unwind roller 12 at -45° are synchronously transported to the weft fabric handling mechanism 2, guaranteeing the smooth transmission of the device and improving the processing efficiency.

[0036] Among them, the unwind roller 11 at +45° and the unwind roller 12 at -45° are placed in a 90° stagger, and the distances from the center points of the unwind roller 11 at +45° and the unwind roller 12 at -45° to the weft fabric handling mechanism 2 are the same. The 90° stagger placement of the unwind roller 11 at +45° and the unwind roller 12 at -45° helps to reduce the interference between the two unwind rollers and ensure that the weft fabric can be smoothly unwound simultaneously or alternately from two directions, ensuring that when the weft fabric is transmitted to the weft fabric handling mechanism 2, regardless of which unwind roller it comes from, it will experience the same path length and possible tension changes, thus helping to maintain the flatness and consistency of the weft fabric.

[0037] After the unwind roller 12 at -45° is heightened by the heightening bracket 13, it is 2 - 3 meters above the ground. In the case of non-machine fabric loading, in some embodiments of the present invention, such as Figures 1-3 and as shown in FIGS. 6, the inclined weft fabric unwind device includes a fabric loading mechanism 3. The fabric loading mechanism 3 includes steps 31 provided at both axial ends of the unwind roller 12 at -45°. The two steps 31 are fixedly connected to the heightening bracket 13. It should be noted here that the fixed connection method can be bolt connection, welding connection, or clamp connection.

[0038] To further improve the convenience of manual fabric loading, in some embodiments of the present invention, such as Figure 3 and Figure 6As shown in the figure, fixing components 32 are arranged at both ends of the heightening bracket 13 along the axial direction of the negative 45-degree unwinding roller 12. A middle-section staircase 33 is arranged between both ends of the negative 45-degree unwinding roller 12 along the axial direction, and a buckle 33a is arranged on the middle-section staircase 33. The buckle 33a is connected to the fixing component 32. Through the connection of the buckle 33a, when parts such as the middle-section staircase 33 and the fixing component 32 are damaged, the parts can be disassembled for maintenance, reducing the maintenance and repair costs.

[0039] In some embodiments of the present utility model, as Figure 4 As shown in the figure, the upper cloth mechanism 3 includes a movable mounting bracket 34 for supporting the positive 45-degree unwinding roller 11, and a guiding component 35 arranged to guide the mounting bracket 34. In order to facilitate the upper cloth treatment of the mounting bracket 34, the mounting bracket 34 is configured to be in a movable state. The moving method can be to install moving wheels, and a locking device is arranged on the moving wheels, so that the mounting bracket 34 can be fixed after moving to the corresponding position. The slide rail and slider can also be used in cooperation, so that the mounting bracket 34 can be driven to the corresponding position by a motor, cooperating with machinery or manual upper cloth.

[0040] In order to further define the moving direction of the mounting bracket 34, in some embodiments of the present utility model, please continue to refer to Figure 4 , the guiding component 35 includes a limiting guide rail 35b and a directional wheel 35c. A limiting guide rail 35b is arranged at one end of the positive 45-degree unwinding roller 11 along the axial direction. The limiting guide rail 35b is arranged parallel to the axis of the positive 45-degree unwinding roller 11. Casters 35a are arranged at the bottom of the mounting bracket 34, and the casters 35a cooperate with the limiting guide rail 35b. A limiting block 35b1 is arranged at a set position of the limiting guide rail 35b. At the other end of the positive 45-degree unwinding roller 11 along the axial direction, a directional wheel 35c is arranged at the bottom end of the mounting bracket 34. During the working process, the mounting bracket 34 moves on the limiting guide rail 35b through the casters 35a, and the directional wheel 35c keeps the moving direction of the mounting bracket 34 stable. When the mounting bracket 34 approaches the end of the limiting guide rail 35b, the limiting block 35b1 will prevent it from further moving, ensuring the safety and stability of the entire system. Such a design enables the positive 45-degree unwinding roller 11 to work accurately and stably on a predetermined path, meeting the requirements of production or processing.

[0041] In some embodiments of the present utility model, as Figures 1-4 As shown in the figure, roller rollers 14 are respectively arranged on one side where the axes of the positive 45-degree unwinding roller 11 and the negative 45-degree unwinding roller 12 are parallel. The roller rollers 14 can control the material tension passing through their surfaces by adjusting their rotation speeds or applying a certain pressure, which can ensure the flatness and stability of the cloth surface during unwinding, and can guide the material to be transported along a predetermined path, helping to reduce quality problems caused by cloth surface vibration or fluctuation.

[0042] In some embodiments of the present utility model, as Figures 1-2 shown in, taper tension controllers 15 are provided at one end of each of the two roller rollers 14. By providing the taper tension controllers 15, the unwinding tension can be ensured to be relatively constant. The taper tension controllers 15 can accurately measure and control the tension of the fabric passing through the roller rollers 14, enabling real-time adjustment of the fabric tension. The taper tension controllers 15 also have a taper control function, that is, they can automatically adjust the tension distribution according to the change in the width or thickness of the fabric, so that the fabric remains flat during transmission, avoiding wrinkles or offsets.

[0043] In some embodiments of the present utility model, as Figures 1-2 shown in, between the unwinding mechanism 1 and the weft fabric processing mechanism 2, a fabric guiding mechanism 4 is provided. The fabric guiding mechanism 4 includes an adjustable fabric guiding bracket 41. One side of the adjustable fabric guiding bracket 41 is provided with an inclined support 41a. The fabric guiding bracket is sequentially provided with an upper fabric guiding roller 42 and a lower fabric guiding roller 43 from top to bottom. Through the adjustable setting of the adjustable fabric guiding bracket 41, it can adapt to fabrics of different widths, thicknesses or materials, ensuring that the fabric maintains the correct path and tension during transmission. The adjustability of the bracket is usually achieved through a mechanical structure, such as Figure 7 the clamp movable connection shown in, or threaded rods, slide rails, etc., or pneumatic or hydraulic devices; the upper fabric guiding roller 42 and the lower fabric guiding roller 43 are the parts in the fabric guiding mechanism 4 that directly contact the fabric. They guide the fabric to be transmitted along a predetermined path by rotating, and help control the tension and direction of the fabric, ensuring that the fabric remains flat and stable during transmission.

[0044] In some embodiments of the present utility model, as Figure 8 shown in, the fabric unwound from the -45-degree unwinding roller 12 passes through the upper fabric guiding roller 42 and then enters the lower fabric guiding roller 43 in an S shape and then enters the weft fabric processing mechanism 2. The fabric unwound from the +45-degree unwinding roller 11 enters the lower fabric guiding roller 43 and then enters the weft fabric processing mechanism 2. The released fabric first passes through the upper fabric guiding roller 42. The upper fabric guiding roller 42 plays a role in guiding and supporting the fabric, helping the fabric change direction and maintaining a certain tension. Subsequently, the fabric enters the lower fabric guiding roller 43 along an S-shaped path. Finally, the fabric is smoothly transmitted from the lower fabric guiding roller 43 to the weft fabric processing mechanism 2 for further processing; different from the -45-degree unwinding roller 12, the fabric released from the +45-degree unwinding roller 11 does not need to pass through the upper fabric guiding roller 42 and the S-shaped path, but is directly transmitted to the lower fabric guiding roller 43; through the above path planning, the production line can efficiently process fabrics unwound at different angles and smoothly transmit them to the weft fabric processing mechanism 2 for subsequent processing.

[0045] In some embodiments of the present utility model, as Figures 1-2As shown in FIGS. 4-5, magnetic powder brakes 5 are installed on the shafts of the 45-degree positive unwinding roller 11, the 45-degree negative unwinding roller 12, the upper fabric guiding roller 42, and the lower fabric guiding roller 43. The magnetic powder brakes 5 can adjust the braking torque as needed, thereby controlling the rotational speed of the rollers, keeping the tension of the fabric constant during transmission. Installing the magnetic powder brakes 5 on the shafts of the 45-degree positive unwinding roller 11 and the 45-degree negative unwinding roller 12 can precisely control the unwinding speed of the fabric, ensuring that the fabric maintains a constant tension during unwinding. Installing the magnetic powder brakes 5 on the shafts of the upper fabric guiding roller 42 and the lower fabric guiding roller 43 can further adjust the transmission speed and tension of the fabric. Especially in the S-shaped path, the magnetic powder brake 5 of the upper fabric guiding roller 42 can help the fabric change direction better, while the magnetic powder brake 5 of the lower fabric guiding roller 43 can provide a stable fabric input for the subsequent weft fabric processing mechanism 2.

[0046] Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification is only to illustrate the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A diagonal weft fabric unwinding device, characterized in that, Comprising: An unwinding mechanism, which includes a 45-degree positive unwinding roller placed horizontally, a 45-degree negative unwinding roller placed at 90° to the 45-degree positive unwinding roller in the horizontal plane, and a raised bracket for placing the 45-degree negative unwinding roller above the 45-degree positive unwinding roller; A weft fabric processing mechanism, which is separated from the 45-degree positive unwinding roller and the 45-degree negative unwinding roller by +45° and -45° respectively in the vertical plane, and the weft fabric processing mechanism is used for winding the weft fabric; Wherein, the 45-degree positive unwinding roller and the 45-degree negative unwinding roller are placed in a 90° staggered manner, and the distances from the center points of the 45-degree positive unwinding roller and the 45-degree negative unwinding roller to the weft fabric processing mechanism are the same.

2. The unwinding device for bias weft fabric according to claim 1, wherein, The inclined weft fabric unwinding device includes a fabric feeding mechanism, and the fabric feeding mechanism includes steps arranged at both axial ends of the 45-degree negative unwinding roller, and the two steps are fixedly connected to the raised bracket.

3. The unwinding device for the inclined weft fabric according to claim 2, characterized in that, The raised bracket is provided with fixing components at both axial ends along the 45-degree negative unwinding roller, a middle section staircase is arranged between both axial ends of the 45-degree negative unwinding roller, and a buckle is arranged on the middle section staircase, and the buckle is connected to the fixing components.

4. The unwinding device for inclined weft fabric according to claim 2, characterized in that, The fabric feeding mechanism includes a movable mounting bracket for supporting the 45-degree positive unwinding roller, and a guiding component arranged to guide the mounting bracket.

5. The unwinding device for the bias weft fabric according to claim 4, characterized in that, The guiding component includes a limiting guide rail and a directional wheel. One end in the axial direction of the 45-degree positive unwinding roller is provided with the limiting guide rail, the limiting guide rail is arranged parallel to the axis of the 45-degree positive unwinding roller, the bottom of the mounting bracket is provided with casters, and the casters cooperate with the limiting guide rail. A limiting block is arranged at a set position of the limiting guide rail. At the other end in the axial direction of the 45-degree positive unwinding roller, a directional wheel is arranged at the bottom end of the mounting bracket.

6. The unwinding device for inclined weft fabric according to claim 1, characterized in that Rolla rollers are respectively arranged on one side parallel to the axes of the 45-degree positive unwinding roller and the 45-degree negative unwinding roller.

7. The unwinding device for inclined weft fabric according to claim 6, characterized in that, Taper tension controllers are arranged at one end of both rolla rollers.

8. The unwinding device for inclined weft fabric according to claim 1, wherein, A fabric guiding mechanism is arranged between the unwinding mechanism and the weft fabric processing mechanism. The fabric guiding mechanism includes an adjustable fabric guiding bracket, an inclined support is arranged on one side of the adjustable fabric guiding bracket, and an upper fabric guiding roller and a lower fabric guiding roller are arranged on the fabric guiding bracket from top to bottom in sequence.

9. The unwinding device for the inclined weft fabric according to claim 8, characterized in that, The 45-degree negative unwinding roller unwinds and feeds the fabric. After passing through the upper fabric guiding roller, the fabric enters the lower fabric guiding roller in an S shape and then enters the weft fabric processing mechanism. The 45-degree positive unwinding roller unwinds and feeds the fabric. After entering the lower fabric guiding roller, the fabric enters the weft fabric processing mechanism.

10. The unwinding device for the bias weft fabric according to claim 9, characterized in that, Magnetic powder brakes are installed on the shafts of the 45-degree positive unwinding roller, the 45-degree negative unwinding roller, the upper fabric guiding roller and the lower fabric guiding roller.

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