A sliver delivery device for a drawing frame

Abstract

The utility model discloses a tear strip discharging device of drawing frame belongs to textile machinery technical field, it is arranged between the draft roller and the cluster of drawing frame, it includes: guide groove body, first connecting component and second connecting component, and guide groove body is relatively inclined and sets up, is used for bearing and guiding after draft loose cotton web, first connecting component includes the rotary support unit of setting up in guide groove body upper end, and rotary support unit is connected with guide groove body, and two rotary support units are rotatoryly connected with the both ends of draft roller respectively, second connecting component includes the connecting frame, and the both ends of connecting frame are connected with the bottom of guide groove body and frame respectively. The utility model can effectively simplify tear strip operation, reduce manual intervention, improve tear strip uniformity, avoid fiber winding or breakage to improve subsequent mixed uniformity and fiber product quality.

Description

Technical Field

[0001] This utility model relates to the field of textile machinery technology, and in particular to a sliver tearing and discharge device for a drawing frame. Background Technology

[0002] In the production of various aramid and other special functional fibers, the cotton slivers are torn apart on a drawing frame and then repeatedly mixed with chemical fibers. Finally, the fibers are drawn back into slivers on the drawing frame through a carding and opening process to obtain the special functional fibers.

[0003] However, the sliver structure formed on the drawing frame is relatively stable, and tearing the sliver is troublesome and ineffective. Utility Model Content

[0004] In view of this, it is necessary to provide a sliver tearing and discharge device for a drawing frame to solve the problem that the sliver structure is relatively stable, the tearing process is troublesome and the effect is not good, which affects the efficiency and quality of subsequent mixing with chemical fibers and the production of special functional fibers.

[0005] This utility model provides a strip-tearing and discharge device for a drawing frame, disposed between the drawing roller and the bundler of the drawing frame, comprising: The guide groove is set at a relative angle to support and guide the drawn loose cotton web; The first connecting assembly includes a rotating support unit disposed at the upper end of the guide groove body, the rotating support unit being connected to the guide groove body, and the two rotating support units being rotatably connected to both ends of the drawing roller respectively. The second connecting component includes a connecting frame, the two ends of which are respectively connected to the bottom of the guide groove and the frame.

[0006] Furthermore, the rotating support unit includes a separable special bearing, which is arranged around the rotating shaft of the drawing roller and is connected to the guide groove.

[0007] Furthermore, the special bearing includes a bearing housing that can be divided into two halves and a bearing bush that can be divided into two halves. The bearing bush is sleeved on the rotating shaft of the drawing roller, and the bearing housing is sleeved on the bearing bush. The bearing housing is detachably connected to the guide groove.

[0008] Furthermore, the top two sides of the guide groove are provided with connecting parts, which protrude relative to the guide groove and are respectively connected to the bearing seat.

[0009] Furthermore, the top of the guide groove is provided with an arc portion relative to the drawing roller, and the arc portion is arranged along the circumference of the drawing roller to prevent leakage of loose cotton web.

[0010] Furthermore, the connecting frame includes an integrally connected connecting plate and a connecting plate, the connecting plate being relatively inclined and connected to the guide groove, and the connecting plate being relatively vertical and connected to the frame.

[0011] Furthermore, the connecting plate is arranged parallel to the bottom of the guide groove, and the connecting plate abuts against the bottom of the guide groove.

[0012] Furthermore, the connecting frame also includes extension plates, which are disposed on both sides of the connecting plate and integrally connected with the connecting plate.

[0013] Furthermore, the cross-section of the guide groove is U-shaped.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: (1) The present invention provides a sliver tearing and discharge device for a drawing frame, which is set between the drafting roller and the bundler of the drawing frame, thereby effectively cutting off the sliver forming process of the drawing frame, avoiding the tedious operation of tearing the already formed cotton sliver in the traditional method, and directly obtaining a loose semi-finished cotton web, which significantly improves the efficiency and effect of sliver tearing when producing various special functional fibers such as aramid, and simplifies the subsequent mixing process with chemical fibers.

[0015] (2) The tearing and discharge device of the drawing frame of this utility model is provided with a first connecting assembly. The first connecting assembly includes a rotating support unit disposed at the upper end of the guide groove. The rotating support unit is connected to the guide groove. The two rotating support units are respectively rotatably connected to the two ends of the drafting roller. The rotating shaft of the drafting roller passes through the rotating support unit, so that the setting of the guide groove cannot interfere with the rotation of the drafting roller. At the same time, the guide groove can maintain a reasonable distance from the drafting roller to prevent the loose cotton web from falling out of the guide groove. Attached Figure Description

[0016] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the overall structure of the present invention. Figure 1 ; Figure 2 This is a schematic diagram of the overall structure of this utility model. Figure 2 ; Figure 3 This is a schematic diagram of the rotating support unit in this utility model; Figure 4 This is an exploded view of the rotary support unit in this utility model; Figure 5 This is a schematic diagram of the connection structure between the guide groove and the second connecting component in this utility model; Figure 6 This is a structural schematic diagram of the connecting frame in this utility model.

[0017] In the diagram, 100 represents the stretching roller. 200. Guide groove; 210. Connecting part; 220. Arc part; 300, First connecting assembly; 310, Rotary support unit; 311, Special bearing; 311a, Bearing housing; 311b, Bearing bush; 400. Second connecting component; 410. Connecting frame; 411. Connecting plate; 412. Connecting plate; 413. Extension plate. Detailed Implementation

[0018] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which constitute a part of this application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not intended to limit the scope of the present invention.

[0019] This embodiment discloses a sliver tearing and discharge device for a drawing frame, relating to the field of textile machinery technology. It is positioned between the drafting roller 100 and the bundler of the drawing frame, and can interrupt the sliver forming process of the drawing frame to obtain a semi-finished bulk cotton web. The sliver tearing and discharge device for a drawing frame includes a guide trough 200, a first connecting component 300, and a second connecting component 400. By interrupting the sliver forming process, it directly obtains the bulk cotton web, thereby solving the problem of difficult sliver tearing operations. This sliver tearing and discharge device for a drawing frame can effectively simplify the sliver tearing operation, reduce manual intervention, improve sliver tearing uniformity, and prevent fiber entanglement or breakage, thereby improving the uniformity of subsequent mixing and the quality of the finished fiber product.

[0020] Please see Figures 1 to 6 In this embodiment, a sliver tearing and discharge device for a drawing frame is installed between the drafting roller 100 and the bundler of the drawing frame, thereby effectively interrupting the sliver forming process of the drawing frame. This avoids the tedious operation of tearing the already formed cotton sliver in the traditional method, and directly obtains a loose semi-finished cotton web. This significantly improves the efficiency and effect of sliver tearing when producing various special functional fibers such as aramid, and simplifies the subsequent process of mixing with chemical fibers.

[0021] The tearing and discharge device of a drawing frame in this embodiment includes: a guide trough 200, a first connecting component 300 and a second connecting component 400. The guide trough 200 is inclined to each other and can carry and guide the drawn loose cotton web so that the loose cotton web can move stably downward under the action of gravity.

[0022] The first connecting assembly 300 includes a rotating support unit 310 disposed on the upper end of the guide groove 200. The rotating support unit 310 is connected to the guide groove 200, and the two rotating support units 310 are respectively rotatably connected to both ends of the drafting roller 100. The shaft of the drafting roller 100 passes through the rotating support unit 310, so that the arrangement of the guide groove 200 cannot interfere with the rotation of the drafting roller 100. At the same time, the guide groove 200 can maintain a reasonable distance from the drafting roller 100 to prevent the loose cotton web from detaching from the guide groove.

[0023] The second connecting assembly 400 includes a connecting frame 410, the two ends of which are connected to the bottom of the guide groove 200 and the frame, respectively. The connecting frame 410 is used to connect the bottom of the guide groove 200 to the frame of the drawing frame to provide stable support.

[0024] In some embodiments, please refer to Figures 2 to 4 The rotating support unit 310 includes a separable special bearing 311, which surrounds the rotating shaft of the drafting roller 100 and is connected to the guide groove 200. The special bearing 311 can be disassembled into multiple components. When setting it to surround the rotating shaft of the drafting roller 100, it is not necessary to completely remove the drafting roller 100 from the drawing frame; only the bearing components need to be installed or removed one by one. This design simplifies the assembly process of the tearing strip discharge device, shortens equipment downtime, and reduces the workload and maintenance costs for maintenance personnel.

[0025] In practical implementation, the special bearing 311 refers to a bearing structure that can be disassembled into multiple independent components, designed to simplify installation, disassembly, and maintenance. Unlike traditional one-piece bearings, this bearing can be installed or replaced without completely removing the shaft of the drafting roller 100 from the equipment, greatly improving operational convenience. Through this enclosure, the bearing can effectively transmit the rotational motion of the drafting roller 100 and bear its working load. The special bearing 311 is connected to the guide groove 200 to securely support the guide groove 200 at both ends of the drafting roller 100. This connection can be detachable, for example, by fixing the outer ring of the bearing or its external structure to the guide groove 200 with bolts, clips, or other fasteners. Through this connection, the guide groove 200 can maintain a relatively stable position as the drafting roller 100 rotates, while allowing the drafting roller 100 to rotate freely, thereby achieving effective bearing and guidance of the loose cotton web.

[0026] In actual operation, if the special bearing 311 needs to be installed, disassembled or maintained, its structural design may still need to be further optimized in order to avoid unnecessary interference or disassembly work to the drawing roller 100 or other peripheral components, thereby affecting the maintenance efficiency and ease of operation of the equipment.

[0027] For further implementation methods, please refer to Figure 4 The special bearing 311 includes a bearing housing 311a that can be divided into two halves and a bearing bush 311b that can be divided into two halves. The bearing bush 311b is sleeved on the rotating shaft of the drawing roller 100, and the bearing housing 311a is sleeved on the bearing bush 311b. The bearing housing 311a is detachably connected to the guide groove 200.

[0028] The special bearing 311 is designed to include a split-part bearing housing 311a and a split-part bearing bush 311b, eliminating the need to completely remove the drafting roller 100's shaft from the drawing frame during installation or maintenance. The bearing bush 311b can be directly closed radially and fitted onto the drafting roller 100's shaft, after which the bearing housing 311a is closed radially and fitted onto the bearing bush 311b. This split structure of the bearing housing 311a and bearing bush 311b greatly simplifies the installation, disassembly, and replacement process of the special bearing 311, avoiding the complex operation of disassembling the drafting roller 100 that may be required for maintenance of traditional integral bearings. This significantly improves the equipment's maintenance efficiency and operational convenience, and reduces downtime.

[0029] In practical implementation, a bearing housing 311a that can be split into two halves refers to a bearing housing 311a whose body is composed of two or more parts, which can be connected or separated by fasteners such as bolts and pins. This design allows the bearing housing 311a to be installed and removed directly at the radial position of the shaft without needing to be fitted onto the shaft end, greatly simplifying the operation. A bearing bush 311b that can be split into two halves refers to a bearing bush 311b that is also composed of two or more parts, typically split in half along its diameter. The bearing bush 311b is the component that directly contacts the shaft of the drawing roller 100; its inner surface mates with the shaft, and its outer surface mates with the bearing housing 311a. This split design allows the bearing bush 311b to be installed, replaced, or maintained without disassembling the shaft.

[0030] As an alternative, the rotary support unit 310 can adopt a simple sleeve structure, which is fixed to the upper end of the guide groove 200, and the shaft of the drawing roller 100 passes through the sleeve, achieving a rotary connection through a lubricant or a low-friction material.

[0031] In some embodiments, please refer to Figure 2The guide trough 200 has connecting parts 210 on both sides of its top end. The connecting parts 210 protrude from the guide trough 200 and are connected to bearing seats 311a respectively. The connection between the connecting parts 210 and the bearing seats 311a ensures that the bearing seats 311a are precisely and firmly fixed to the guide trough 200, effectively preventing relative displacement or vibration between the guide trough 200 and the drafting roller 100 due to unstable connection. This not only ensures that the guide trough 200 can stably bear and guide the loose cotton web, but also improves the operating accuracy and reliability of the entire tearing and discharging device, thereby guaranteeing the quality and production efficiency of the semi-finished loose cotton web.

[0032] In practical implementation, the connecting part 210 is a structural component located on both sides of the upper part of the guide groove 200. Its main function is to serve as an interface for connecting the guide groove 200 with external components (such as bearing housing 311a). The connecting part 210 can take various forms, such as an integrally formed flange, a welded bracket, or a connecting block fixed by bolts. Its specific shape and size can be designed according to actual connection requirements and structural strength requirements. The connecting part 210 extends outward or upward from the main structure of the guide groove 200, forming a protruding part. This protruding design aims to provide sufficient space and contact area for the connection, facilitating installation and fixation, and effectively distributing stress at the connection point.

[0033] In some embodiments, please refer to Figure 5 The top of the guide trough 200 is provided with an arc-shaped portion 220 relative to the drafting roller 100. This arc-shaped portion 220 is arranged circumferentially around the drafting roller 100, preventing the cotton web from leaking outwards. The arc-shaped portion 220 not only significantly reduces material loss and improves the yield and quality stability of the semi-finished cotton web, but also helps maintain cleanliness around the equipment, reducing the frequency of cleaning and maintenance, thereby improving the overall operating efficiency and economic benefits of the drawing frame.

[0034] In practical implementation, the arc portion 220 is a specific shaped structure at the top of the guide groove 200, and its shape is arc-shaped. This arc portion 220 can be integrally formed with the guide groove 200, for example, through processes such as stamping, bending, or casting, making it an extension of the top edge of the guide groove 200. Alternatively, the arc portion 220 can be manufactured as a separate component and then fixed to the top edge of the guide groove 200 by welding, bolting, or riveting. The inner arc surface of the arc portion 220 is designed to match the outer circumference of the drafting roller 100, or slightly larger than the radius of the drafting roller 100, to ensure smooth rotation of the drafting roller 100 while minimizing the gap between the arc portion 220 and the drafting roller 100.

[0035] When the loose cotton web is output from the drawing roller 100 and enters the guide groove 200, the arc portion 220 can effectively prevent the cotton web from leaking outward, thus avoiding the loss of the cotton web before entering the guide groove 200.

[0036] In some embodiments, please refer to Figure 5 and Figure 6 The connecting frame 410 includes an integrally connected connecting plate 411 and a connecting plate 412. The connecting plate 411 is inclined relative to the guide groove 200 and is connected to it. The inclined setting of the connecting plate 411 allows it to better fit the inclination angle of the guide groove 200 and provide uniform support. The vertical setting of the connecting plate 412 facilitates reliable fixation to the frame and provides stable vertical support.

[0037] The connecting plate 412 is vertically positioned and connected to the frame. The vertical positioning of the connecting plate 412 facilitates reliable fixation to the frame and provides stable vertical support.

[0038] The integrated design of the connecting frame 410 significantly enhances the overall rigidity and stability of the tearing and discharging device, effectively resisting the vibration and load generated during the operation of the drawing machine. It ensures that the guide trough 200 maintains a precise relative position between the drafting roller 100 and the bundler, thereby guaranteeing the stable guidance and discharge of the loose cotton web, while simplifying the installation and maintenance process of the device.

[0039] As a further embodiment, the connecting plate 411 is arranged parallel to the bottom of the guide groove 200, and the connecting plate 411 abuts against the bottom of the guide groove 200. By arranging the connecting plate 411 parallel to the bottom of the guide groove 200 and making it tightly abut against the bottom of the guide groove 200, the connecting plate 411 can provide uniform and solid support for the guide groove 200, significantly enhancing the rigidity and vibration resistance of the connection.

[0040] In practical implementation, the connecting plate 411 is set parallel to the bottom of the guide groove 200, meaning that the plane of the connecting plate 411 is parallel to the bottom plane of the guide groove 200. During the manufacturing of the connecting plate 411 and the guide groove 200, high flatness is ensured on their contact surfaces, and they are fixed during assembly using locating pins, bolts, or welding to maintain their parallel relationship. Simultaneously, the connecting plate 411 abuts against the bottom of the guide groove 200, meaning that the connecting plate 411 directly contacts and supports the bottom of the guide groove 200.

[0041] As a further embodiment, the connecting plate 412 also includes an extension plate 413, which is disposed on both sides of the connecting plate 412 and integrally connected to the connecting plate 412. The integral connection between the extension plate 413 and the connecting plate 412 can significantly increase the lateral support area and overall rigidity of the connecting plate 412, improve the ability of the connecting plate 412 to resist deformation and vibration, thereby providing a more stable support for the guide groove 200.

[0042] In practical implementation, the extension plate 413 is an auxiliary structural component used to enhance the structural strength and stability of the connecting plate 412. The extension plate 413 can be made of the same material as the connecting plate 412, such as sheet metal, and forms an inseparable whole with the connecting plate 412 through welding, casting, or forging. The extension plate 413 is located on both sides of the connecting plate 412, meaning it does not simply extend the length of the connecting plate 412, but rather extends outwards from both sides of the connecting plate 412, thereby effectively increasing the lateral support width and bending stiffness of the connecting plate 412.

[0043] It should be further noted that the guide channel 200 has a U-shaped cross-section. A U-shaped cross-section means that the cross-section of the guide channel 200 perpendicular to its extension direction resembles the letter "U," typically consisting of a flat bottom and upward-extending sidewalls on both sides. This structure effectively forms a channel of sufficient depth and width to accommodate and constrain loose cotton web. The sidewalls prevent the cotton web from overflowing or scattering during guidance, while the bottom provides a stable support surface.

[0044] In practical applications, the guide trough 200 can be formed from metal sheets by bending, stamping, or welding, or from polymer materials by injection molding or extrusion. The width and depth of the U-shaped trough should be rationally designed according to the width, thickness, and fluffiness of the loose cotton web being processed to ensure that the cotton web can pass through smoothly and is not prone to leakage.

[0045] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present utility model should be included within the present utility model.

Claims

1. A strip-tearing and discharge device for a drawing frame, characterized in that, Located between the drafting rollers and the spooler of the drawing frame, it includes: The guide groove is set at a relative angle to support and guide the drawn loose cotton web; The first connecting assembly includes a rotating support unit disposed at the upper end of the guide groove body, the rotating support unit being connected to the guide groove body, and the two rotating support units being rotatably connected to both ends of the drawing roller respectively. The second connecting component includes a connecting frame, the two ends of which are respectively connected to the bottom of the guide groove and the frame.

2. The strip-tearing and discharge device for a drawing frame according to claim 1, characterized in that, The rotating support unit includes a separable special bearing, which is arranged around the rotating shaft of the drawing roller and is connected to the guide groove.

3. The strip-tearing and discharge device for a drawing frame according to claim 2, characterized in that, The special bearing includes a bearing housing that can be divided into two halves and a bearing bush that can be divided into two halves. The bearing bush is sleeved on the rotating shaft of the drawing roller, and the bearing housing is sleeved on the bearing bush. The bearing housing is detachably connected to the guide groove.

4. The strip-tearing and discharge device for a drawing frame according to claim 3, characterized in that, The top of the guide groove is provided with connecting parts on both sides, the connecting parts protruding relative to the guide groove, and the connecting parts are respectively connected to the bearing seat.

5. The strip-tearing and discharge device for a drawing frame according to claim 4, characterized in that, The top of the guide groove is also provided with an arc portion relative to the drawing roller. The arc portion is arranged along the circumference of the drawing roller to prevent leakage of loose cotton web.

6. The strip-tearing and discharge device for a drawing frame according to claim 1, characterized in that, The connecting frame includes an integrated connecting plate and a connecting plate. The connecting plate is relatively inclined and connected to the guide groove, while the connecting plate is relatively vertical and connected to the frame.

7. The strip-tearing and discharge device for a drawing frame according to claim 6, characterized in that, The connecting plate is arranged parallel to the bottom of the guide groove, and the connecting plate abuts against the bottom of the guide groove.

8. The strip-tearing and discharge device for a drawing frame according to claim 6, characterized in that, The connecting frame also includes extension plates, which are disposed on both sides of the connecting plate and integrally connected to the connecting plate.

9. A strip-tearing and discharge device for a drawing frame according to any one of claims 1-8, characterized in that, The cross-section of the guide groove is U-shaped.

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