Yarn creel, yarn releasing equipment and fiber production line

Abstract

The utility model provides a creel, a yarn releasing device and a fiber production line. The creel comprises a rotating shaft, a tray and an air bag. And the tray is arranged above the rotating shaft. The air bag is arranged above the tray and used for penetrating through the yarn drum, and the peripheral side of the air bag in the full state abuts against the inner side wall of the yarn drum. The first end of the inflation and deflation connector communicates with the air bag, and the second end of the inflation and deflation connector penetrates through the tray and extends to the position below the tray. According to the creel, when the creel is installed, the spool is arranged on the tray and arranged on the air bag in a sleeved mode, then the air bag is inflated through the inflation and deflation connector till the peripheral side of the air bag abuts against the inner side wall of the spool, and therefore the spool is fixed to the tray, operation is simple, the spool is stable by adopting the mode that the spool is vertically installed and abuts against the air bag, and the creel is convenient to use. The falling cannot easily occur.

Description

Technical Field

[0001] The utility model relates to the technical field of fiber production, and more particularly to a yarn rack, a yarn feeding device and a fiber production line. Background Art

[0002] Fibre Reinforced Thermoplastic Plastic (FRTP) is a composite material made of fibers and thermoplastic resins. Continuous fibers, as the reinforcement, endow the composite material with excellent stiffness and strength, and the polymer resin, as the matrix, plays a role in transferring and dispersing loads. Commonly used fiber materials include glass fiber, carbon fiber, aramid fiber, etc., and these fiber materials all have the characteristics of high strength and high modulus.

[0003] In the production process of continuous fiber reinforced resin strips, it is necessary to first arrange at least several hundred continuous fibers in parallel and then introduce them into an impregnation mold for compounding with resin. To improve efficiency, ensure quality and save space, a yarn rack is required to support the unwinding of hundreds of bobbins of fiber.

[0004] Most of the existing yarn rack structures are horizontal, and the yarn bobbins are horizontally fixed on the unwinding shaft of the yarn rack for unwinding. To prevent the yarn bobbins from loosening and falling off during rotation, a complex unwinding shaft structure is required for tensioning, which not only makes the cost of the yarn rack very expensive, but also increases the complexity of loading and unloading the yarn bobbins and is prone to causing the yarn bobbins to fall off. Summary of the Utility Model

[0005] A series of simplified concepts are introduced in the Summary of the Utility Model part, which will be further described in detail in the Detailed Implementation part. The Summary of the Utility Model part of the present utility model does not mean to attempt to define the key features and essential technical features of the claimed technical solution, nor does it mean to attempt to determine the protection scope of the claimed technical solution.

[0006] To at least partially solve the above problems, a first aspect of the present utility model provides a yarn rack, which includes:

[0007] A rotating shaft;

[0008] A tray, which is arranged above the rotating shaft;

[0009] An airbag, which is arranged above the tray, and the airbag is used for threading the yarn bobbin, and the circumference of the inflated airbag abuts against the inner side wall of the yarn bobbin;

[0010] An air charging and discharging interface, the first end of the air charging and discharging interface is communicated with the airbag, and the second end of the air charging and discharging interface penetrates through the tray and extends to the lower part of the tray.

[0011] According to the yarn rack of the first aspect of the present utility model, when installed, the yarn bobbin is arranged on the tray and sleeved on the airbag, and then the airbag is inflated through the air charging and discharging interface until the circumferential side of the airbag abuts against the inner side wall of the yarn bobbin, so that the yarn bobbin is fixed on the tray. The operation is simple. By adopting the vertical installation of the yarn bobbin and the method of abutting with the airbag, the yarn bobbin is stable and not easy to fall off.

[0012] Optionally, the outer side surface of the airbag is parallel to the vertical direction.

[0013] Optionally, the outer side surface of the airbag is configured as a cylindrical surface.

[0014] Optionally, the airbag is provided with a guiding curved surface, and the guiding curved surface is respectively connected to the top surface of the airbag and the outer side surface of the airbag.

[0015] Optionally, the axial direction of the airbag is parallel to the vertical direction and coincides with the axial direction of the rotating shaft.

[0016] Optionally, the yarn rack further includes a brake, and the brake is arranged below the tray and used for braking the rotating shaft.

[0017] The second aspect of the present utility model provides a yarn unwinding device, including:

[0018] A mounting frame;

[0019] A plurality of the above-mentioned yarn racks, and a plurality of the yarn racks are arranged on the mounting frame.

[0020] According to the yarn unwinding device of the second aspect of the present utility model, for the installation of the yarn bobbin, the operation is simple, the structure is stable, and it is not easy to fall off.

[0021] Optionally, the mounting frame includes:

[0022] Side frames;

[0023] A connecting frame, the connecting frame is arranged between the side frames, and the yarn rack is arranged on the connecting frame;

[0024] A bottom beam, the bottom beam is arranged at the bottom of the side frames;

[0025] A top beam, the top beam is arranged at the top of the side frames.

[0026] Optionally, the yarn unwinding device further includes:

[0027] A yarn guiding plate, the yarn guiding plate is arranged on the side frames, and the yarn guiding plate is provided with a yarn guiding hole;

[0028] A positioning shaft, the positioning shaft is arranged on the side frames and / or the top beam; and

[0029] Yarn dividing reed, the yarn dividing reed is arranged on the side frame and / or the top beam.

[0030] The third aspect of the present utility model provides a production line for fibers, including the yarn feeding device according to the above.

[0031] The production line for fibers according to the third aspect of the present utility model is easy to install the yarn bobbin and has high production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The following drawings of the embodiments of the present utility model are hereby taken as a part of the present utility model for understanding the present utility model. The embodiments of the present utility model are shown in the drawings and their descriptions are used to explain the principles of the present utility model. In the drawings,

[0033] Figure 1 is a perspective schematic view of a yarn rack according to a preferred embodiment of the present utility model;

[0034] Figure 2 is Figure 1 the front view of the yarn rack in

[0035] Figure 3 is the sectional schematic view taken along the Figure 1 center line A-A; and

[0036] Figure 4 is a schematic view of a yarn feeding device according to a preferred embodiment of the present utility model.

[0037] Explanation of Reference Numerals

[0038] 100: mounting frame 101: side frame

[0039] 102: connecting frame 103: bottom beam

[0040] 104: top beam 105: universal wheel

[0041] 106: yarn guiding plate 107: yarn guiding hole

[0042] 108: positioning shaft 109: yarn dividing reed

[0043] 110: yarn rack 111: rotating shaft

[0044] 112: tray 113: bearing

[0045] 114: airbag 115: brake

[0046] 116: outer side surface 117: guiding curved surface

[0047] 118: top surface 119: air charging and discharging interface

[0048] 120: Bobbin AX1: Pivot Axis

[0049] D1: Length Direction D2: Width Direction

[0050] D3: Height Direction Detailed Embodiment

[0051] In the following description, numerous specific details are given to provide a more thorough understanding of the present utility model. However, it will be apparent to those skilled in the art that the embodiments of the present utility model can be implemented without one or more of these details. In other instances, some well-known technical features are not described to avoid confusion with the embodiments of the present utility model.

[0052] In this document, ordinal numbers such as "first" and "second" cited in the present utility model are merely identifiers and do not have any other meanings, such as a specific order, etc. Moreover, for example, the term "first component" does not imply the existence of a "second component" by itself, and the term "second component" does not imply the existence of a "first component" by itself.

[0053] In this document, "upper", "lower", "front", "rear", "left", "right", etc. are only used to represent the relative positional relationship between relevant parts, rather than limiting the absolute positions of these relevant parts.

[0054] In this document, "equal", "same", etc. are not strict mathematical and / or geometric limitations, and also include errors that can be understood by those skilled in the art and are allowed in manufacturing or using, etc.

[0055] Unless otherwise specified, the numerical ranges in this document include not only the entire range between its two endpoints, but also several sub-ranges included therein.

[0056] Figures 1 to 3 A yarn rack 110 according to the present utility model is shown. The yarn rack 110 includes a rotating shaft 111, a tray 112, and an airbag 114. The tray 112 is disposed above the rotating shaft 111. The airbag 114 is disposed above the tray 112. The airbag 114 is used to pass through the bobbin 120, and the periphery of the inflated airbag 114 abuts against the inner sidewall of the bobbin 120. The first end of the air inflation / deflation interface 119 is communicated with the airbag 114, and the second end of the air inflation / deflation interface 119 passes through the tray 112 and extends below the tray 112.

[0057] According to the yarn rack 110 of the present utility model, during installation, the yarn bobbin 120 is arranged on the tray 112 and sleeved on the airbag 114, and then the airbag 114 is inflated through the air charging and discharging interface 119 until the circumferential side of the airbag 114 abuts against the inner side wall of the yarn bobbin 120, so that the yarn bobbin 120 is fixed on the tray 112. The operation is simple. By adopting the vertical installation of the yarn bobbin 120 and the way of abutting with the airbag 114, the yarn bobbin 120 is stable and not easy to fall off.

[0058] Refer to Figure 3 , the yarn rack 110 according to the present utility model is installed on the connecting frame 102 of the yarn unwinding device (detailed later). The yarn bobbin 120 is arranged on the tray 112 and is abutted inside the yarn bobbin 120 by the airbag 114. During the yarn unwinding process of the yarn, the yarn on the yarn bobbin 120 continuously winds out of the yarn bobbin 120, and the tray 112 and the airbag 114 rotate around the pivot axis AX1 as the yarn bobbin 120 rotates.

[0059] Refer to Figure 1 and Figure 3 , the rotating shaft 111 penetrates through the connecting frame 102 in the vertical direction. The tray 112 is connected to the top end of the rotating shaft 111, and the yarn rack 110 further includes a bearing 113. The bearing 113 is sleeved on the rotating shaft 111 and is located above the connecting frame 102. The outer ring of the bearing 113 is connected to the top surface 118 of the connecting frame 102, and the inner ring of the bearing 113 is connected to the side wall of the rotating shaft 111, so that the rotating shaft 111 is rotatably arranged relative to the connecting frame 102.

[0060] Optionally, the yarn rack 110 further includes a brake 115. The brake 115 is arranged below the tray 112 and sleeved on the rotating shaft 111 for braking the rotating shaft 111. The brake 115 can be an electromagnetic brake 115. The brake 115 is started by the yarn breakage detection device downstream of the production line, so as to prevent the tray 112 from rotating due to inertia and interfering with the yarn unwinding of the adjacent yarn bobbins 120.

[0061] Refer to Figure 3 , optionally, the outer side surface 116 of the airbag 114 is parallel to the vertical direction, so that it can be fully attached to the inner side wall of the yarn bobbin 120, so that there is sufficient abutting force and friction force between the airbag 114 and the yarn bobbin 120 to prevent the yarn bobbin 120 from falling off.

[0062] Optionally, the outer side surface 116 of the airbag 114 is configured as a cylindrical surface, which can be adapted to the installation of the cylindrical yarn bobbin 120, and has a wide application range.

[0063] Optionally, the airbag 114 is provided with a guiding surface 117 which connects the top surface 118 and the outer side surface 116 of the airbag 114 respectively. When sleeving the yarn bobbin 120, the guiding surface 117 is beneficial to guiding the yarn bobbin 120 to be accurately sleeved on the airbag 114, facilitating installation and improving the installation efficiency.

[0064] Optionally, the axis of the airbag 114 is parallel to the vertical direction and coincides with the axis of the rotating shaft 111. Thus, during the yarn unwinding process, the rotation axes of the airbag 114 and the rotating shaft 111 coincide, preventing the yarn bobbin 120 from shaking during the yarn unwinding process and making the yarn unwinding process more stable and accurate.

[0065] According to the yarn rack 110 of the present utility model, the disassembly speed of the yarn bobbin 120 is faster, and it is not necessary to accurately place the yarn bobbin 120 at the exact center of the tray 112 (the inflation of the airbag 114 can automatically adjust the position of the yarn bobbin 120), and the overall manufacturing cost is low.

[0066] Refer to Figure 4 Furthermore, the present utility model also provides a yarn unwinding device, which includes a mounting frame 100 and a plurality of the above-mentioned yarn racks 110. The plurality of yarn racks 110 are arranged on the mounting frame 100. According to the yarn unwinding device of the present utility model, for the installation of the yarn bobbin 120, the operation is simple, the structure is stable, and it is not easy to fall off.

[0067] Optionally, the mounting frame 100 includes two side frames 101, a plurality of connecting frames 102, two bottom beams 103 and two top beams 104. The two side frames 101 are arranged vertically. The connecting frames 102 are in the shape of square beams and are arranged between the side frames 101, so that the side frames 101 can be connected together. The plurality of yarn racks 110 are all arranged on the connecting frames 102. The two bottom beams 103 are arranged at the bottom of the side frames 101 and are disposed at both ends of the side frames 101 along the length direction D1 of the yarn unwinding device. The top beam 104 is arranged at the top of the side frames 101 and is disposed at both ends of the side frames 101 along the length direction D1 of the yarn unwinding device.

[0068] Optionally, the mounting frame 100 further includes four universal wheels 105 which are respectively arranged at both ends of the two bottom beams 103, thus facilitating the staff to move the yarn unwinding device.

[0069] Among them, taking the Figure 4 shown yarn unwinding device as an example, the yarn unwinding device includes forty yarn racks 110 and can simultaneously install forty yarn bobbins 120. The forty yarn racks 110 are divided into four layers along the height direction D3 of the yarn unwinding device. The ten yarn racks 110 in each layer are divided into two groups along the width direction D2 of the yarn unwinding device, and the five yarn racks 110 in each group are arranged at intervals along the length direction D1 of the yarn unwinding device.

[0070] Refer to Figure 4, the yarn feeding device further includes a plurality of yarn guide plates 106, a plurality of positioning shafts 108, and a plurality of yarn dividing reeds 109. The yarn guide plates 106 are arranged on the side frames 101, and the yarn guide plates 106 are arranged in one-to-one correspondence with the yarn racks 110. The yarn guide plates 106 are provided with yarn guide holes 107, so as to prevent the yarns wound out from the yarn bobbins 120 on the five yarn racks 110 on one side of the mounting frame 100 from being entangled with each other for the yarns passing through the corresponding yarn rack 110 and other yarn racks 110 on the same side. The positioning shafts 108 are located at one end of the side frames 101 along the length direction D1 of the yarn feeding device, and the positioning shafts 108 are arranged on the side frames 101 and the top beam 104 (where eight positioning shafts 108 are arranged on the two side frames 101 and are spaced apart along the height direction D3 of the yarn feeding device, and two of the positioning shafts 108 are arranged on the top beam 104 and are arranged corresponding to the two side frames 101). The yarn dividing reeds 109 are located at one end of the side frames 101 along the length direction D1 of the yarn feeding device, and the yarn dividing reeds 109 are arranged on the side frames 101 and the top beam 104 (where eight yarn dividing reeds 109 are arranged on the two side frames 101 and are spaced apart along the height direction D3 of the yarn feeding device, and two of the yarn dividing reeds 109 are arranged on the top beam 104 and are arranged corresponding to the two side frames 101).

[0071] When the yarn feeding device according to the present invention is working, the yarn bobbin 120 is arranged on the tray 112, the airbag 114 is located inside the yarn bobbin 120, and the airbag 114 is inflated through the air charging and discharging interface 119, so that the airbag 114 expands to stabilize the yarn bobbin 120. The yarn is led out and passes through the yarn guide hole 107 of the yarn guide plate 106 in the front side of the yarn rack 110, and then successively passes through the yarn guide holes 107 at the same height of the front yarn guide plate 106. Multiple yarns are gathered at the positioning shaft 108 (adjusted according to the yarn feeding height requirement of the downstream device. If the yarn feeding height of the downstream device is higher than the positioning shaft 108, the yarns bypass the positioning shaft 108 from below; if the yarn feeding height of the downstream device is lower than the positioning shaft 108, the yarns bypass the positioning shaft 108 from above), and finally are led out of the yarn feeding device in parallel through the yarn dividing reed 109.

[0072] The present invention also provides a fiber production line, including the yarn feeding device according to the above. The fiber production line according to the present invention is easy to install the yarn bobbin 120 and has high production efficiency.

[0073] Unless otherwise defined, the technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the technical field of the present utility model. The terms used herein are only for the purpose of describing specific implementation purposes and are not intended to limit the present utility model. Terms such as "arranged" that appear herein can either mean that one component is directly attached to another component or that one component is attached to another component through an intermediate component. Features described in one embodiment herein can be applied to another embodiment alone or in combination with other features, unless the feature is not applicable or otherwise stated in that other embodiment.

[0074] The present utility model has been described through the above embodiments. However, it should be understood that the above embodiments are only for the purpose of illustration and example, and are not intended to limit the present utility model within the scope of the described embodiments. Those skilled in the art can understand that according to the teachings of the present utility model, more variations and modifications can be made, and these variations and modifications all fall within the scope of protection required by the present utility model.

Claims

1. A yarn rack, characterized in that, The yarn creel includes: A rotating shaft; A tray, which is arranged above the rotating shaft; An airbag, which is arranged above the tray. The airbag is used for threading a yarn bobbin, and the circumferential side of the inflated airbag abuts against the inner side wall of the yarn bobbin; An air charging and discharging interface, the first end of which is communicated with the airbag, and the second end of which penetrates through the tray and extends below the tray.

2. The yarn rack according to claim 1, wherein The outer side surface of the airbag is parallel to the vertical direction.

3. The yarn rack according to claim 2, characterized in that, The outer side surface of the airbag is constructed as a cylindrical surface.

4. The yarn rack according to claim 1, characterized in that, The airbag is provided with a guiding curved surface, which respectively connects the top surface of the airbag and the outer side surface of the airbag.

5. The yarn rack according to claim 1, characterized in that, The axial direction of the airbag is parallel to the vertical direction and coincides with the axial direction of the rotating shaft.

6. The yarn rack according to claim 1, characterized in that, The yarn creel further includes a brake, which is arranged below the tray and is used for braking the rotating shaft.

7. A yarn placing device, characterized in that, It includes: A mounting frame; A plurality of yarn creels according to any one of claims 1 to 6, and the plurality of yarn creels are arranged on the mounting frame.

8. The yarn feeding device according to claim 7, wherein, The mounting frame includes: Side frames; Connecting frames, which are arranged between the side frames, and the yarn creels are arranged on the connecting frames; Bottom beams, which are arranged at the bottoms of the side frames; Top beams, which are arranged at the tops of the side frames.

9. The yarn feeding device according to claim 8, characterized in that, The yarn discharging device further includes: A yarn guiding plate, which is arranged on the side frames and is provided with yarn guiding holes; A positioning shaft, which is arranged on the side frames and / or the top beams; and A yarn dividing reed, which is arranged on the side frames and / or the top beams.

10. A production line for fibers, characterized in that, It includes the yarn discharging device according to any one of claims 7 to 9.

Images