High-frequency vibration yarn spreading device

Abstract

The utility model relates to a high-frequency vibration yarn spreading device which comprises a yarn spreading body and a vibration device, the vibration device comprises a vibration body and two sets of vibration supports connected with the two ends of the vibration body, and the vibration body comprises a vibration plate and a plurality of vibration motors. The vibration support comprises an upper support seat, a plurality of upper bridges, a plurality of connecting frames, a plurality of connecting plates, a plurality of lower bridges and a support base, one end of the upper support seat is fixedly connected with the end of the vibration plate, the other end of the upper support seat is fixedly connected with the upper sides of the upper bridges, and one end of the support base is fixedly connected with the lower sides of the lower bridges. The other end of the frame base is fixedly connected with the side lower portion of the yarn spreading body, and the upper surface of the vibration plate makes contact with the yarn bundle face. According to the scheme, the vibration plate and the three vibration motors are adopted, and the vibration support of a special structure is matched, so that when a fiber bundle passes through the upper surface of the vibration plate, yarn can be evenly unfolded and yarn tension can be balanced in the high-frequency vibration process, the yarn unfolding width is guaranteed, yarn wool is reduced, and the product percent of pass and the product quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of textiles, in particular to a high-frequency vibration yarn spreading device. Background Art

[0002] Yarn spreading technology is the process of spreading the fiber bundle evenly along the width direction and thinning the fiber bundle. The wider the fiber bundle is spread, the thinner the thickness will be. The cross-section of the fiber bundle changes from round to flat, and the fiber bundle becomes thinner. People have conducted a lot of research on the expansion and dispersion technology of fiber bundles. The existing yarn spreading methods include mechanical multi-group roller fiber expansion method, air jet fiber expansion method, ultrasonic fiber expansion method, sonic fiber expansion method, liquid induced fiber expansion method, electrostatic fiber expansion method, etc.

[0003] The most commonly used method is to expand and disperse the fiber bundles by mechanical rolling with multiple sets of rollers. Figure 1 As shown, the mechanical multi-group roller method includes a swinging rod 1 that swings left and right, a vibrating rod 2 that moves up and down, and a fixed rod 3. However, the existing mechanical multi-group roller method has the following defects: since the vibrating rod is cylindrical, its contact with the fiber bundle is a linear contact, resulting in insufficient yarn width, excessive yarn hair, poor quality, and low product qualification rate, which seriously hinders the production of the factory.

[0004] In order to solve the above technical problems, this solution proposes a high-frequency vibration yarn spreading device. Utility Model Content

[0005] The invention aims to solve the problem of the existing mechanical multi-group roller method, in which the vibrating rod is cylindrical and the contact between it and the fiber bundle is linear, resulting in insufficient yarn width, excessive yarn hair, poor quality, low product qualification rate, and serious obstruction of factory production. The specific solution is as follows:

[0006] A high-frequency vibration yarn spreading device comprises a yarn spreading body, a vibration device is provided in the middle section of the yarn spreading body, the vibration device comprises a vibration main body spanning the yarn spreading body, and two sets of vibration brackets are provided on both sides of the yarn spreading body and connected to the two ends of the vibration main body, the vibration main body comprises a vibration plate and multiple vibration motors, the vibration bracket comprises an upper seat, multiple upper bridge frames, multiple connecting frames, multiple connecting plates, multiple lower bridge frames, and a frame base, wherein one end of the upper seat is fixedly connected to the end of the vibration plate, the other end of the upper seat is fixedly connected to the upper side of the upper bridge frame, one end of the frame base is fixedly connected to the lower side of the lower bridge frame, the other end of the frame base is fixedly connected to the side lower part of the yarn spreading body, and the upper surface of the vibration plate contacts the yarn bundle surface.

[0007] Furthermore, the vibration plate is a rectangular, hollow metal plate.

[0008] Furthermore, there are at least three vibration motors, which are dispersedly installed on the lower outer surface of the vibration plate.

[0009] Furthermore, the frame seat is a hollow rectangular metal piece, and three quarters of the lower inner end of the frame seat is cut off to form an L-shaped incision, and the L-shaped incision is in contact with the upper surface and side surface of the yarn spreading body.

[0010] Furthermore, the upper bridge frame and the lower bridge frame have the same structure and are arranged inverted with each other. Each set of vibration brackets includes two upper bridge frames and two lower bridge frames, two connecting frames, and eight connecting plates, and the connecting plates are metal parts.

[0011] Furthermore, the upper bridge frame and the lower bridge frame include a bridge plate and a bridge frame fixedly connected to one side of the bridge plate, the bridge frame is a hollow cuboid metal part, the bridge plate is a rectangular metal plate, the length of the bridge plate is greater than the side length of the bridge frame, the width of the bridge plate matches the width of the bridge frame, screw holes are respectively provided at both ends of the bridge plate, the bridge plate of the upper bridge frame is located on the upper side of the bridge frame, and the bridge plate of the lower bridge frame is located on the lower side of the bridge frame.

[0012] Furthermore, the connection frame is composed of two hollow square frames stacked up and down, and is a metal part. The two connection frames are respectively arranged between a group of the upper bridge frame and the lower bridge frame, and are not on the straight line between the upper bridge frame and the lower bridge frame.

[0013] Furthermore, four of the connecting plates are coplanar and rhombus-shaped and are arranged on the front sides of the four bridge frames and the two connecting frames, and another four of the connecting plates are coplanar and rhombus-shaped and are arranged on the rear sides of the four bridge frames and the two connecting frames.

[0014] Furthermore, the upper ends of the four connecting plates are respectively fixedly connected to the square shafts provided in the bridge frames of the two upper bridge frames, the lower ends of the four connecting plates are respectively fixedly connected to the square shafts provided in the upper frames of the two connecting frames, the lower ends of the other four connecting plates are respectively fixedly connected to the square shafts provided in the bridge frames of the two lower bridge frames, and the upper ends of the other four connecting plates are fixedly connected to the square shafts provided in the lower frames of the two connecting frames; the square shaft is a hollow metal part and is arranged in a rhombus shape, and a rubber block is provided between the outer surface of the square shaft and the inner walls of the bridge frame and the square frame.

[0015] Furthermore, the frame base is a metal part, including a bottom plate and a hollow square bar fixed on the lower side of the bottom plate, the bottom plate and the square bar are T-shaped, the length of the bottom plate matches the length of the bridge plates of the two lower bridge frames, four screw holes are provided on the bottom plate, and the suspended end of the square bar is fixedly connected to the lower side of the yarn spreading body.

[0016] In summary, the technical solution of the utility model has the following beneficial effects:

[0017] The utility model solves the problem that the existing mechanical multi-group roller method has a cylindrical vibration rod, and its contact with the fiber bundle is a linear contact, resulting in insufficient yarn spreading width, too much yarn hair, poor quality, and low product qualification rate, which seriously hinders the production of the factory. The present solution adopts a vibration plate to replace the existing vibration rod, and changes the linear contact to a plane contact. Three vibration motors are used, and two sets of vibration brackets with special structures are used, so that when the fiber bundle passes through the upper surface of the vibration plate, the yarn can be spread evenly and the yarn tension can be balanced during the high-frequency vibration process, while ensuring the yarn spreading width, reducing yarn hair, and improving the product qualification rate and product quality. The rubber block provided between the outer surface of the square shaft of the present solution and the inner wall of the bridge frame and the square frame can effectively reduce the vibration noise and control the amplitude of the vibration bracket within a suitable range. In order to accurately adjust the horizontal height of the vibration plate to meet the production requirements of fiber bundles of different specifications, the present solution is provided with an adjustment mechanism between the frame base and the lower bridge frame. The adjustment mechanism is composed of four washers of the same specifications with different thicknesses, which improves the versatility of the present solution. In this solution, the vibration plate, frame seat, bridge frame, connection frame and square bars all adopt a hollow structure, which has the advantages of reducing weight, saving materials, reducing costs and improving vibration effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the following is a brief introduction to the drawings required for the description of the embodiment of the utility model. Obviously, the drawings described below are only part of the embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor.

[0019] Figure 1 It is a structural schematic diagram of an existing mechanical multi-group roller method in the background technology;

[0020] Figure 2 This is a schematic diagram of the structure of the high-frequency vibration yarn spreading device of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the frame base of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the vibration plate and the vibration motor of the utility model.

[0023] Description of reference numerals:

[0024] 1-swing rod, 2-vibration rod, 3-fixed rod, 4-yarn spreading body, 5-vibration plate, 6-vibration motor, 7-upper seat, 71-L-shaped incision, 8-upper bridge frame, 81-bridge plate, 82-bridge frame, 83-screw hole, 84-square shaft, 9-connecting frame, 91-square frame, 10-connecting plate, 11-lower bridge frame, 12-frame base, 121-bottom plate, 122-square strip, 13-washer, 14-yarn bundle. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] like Figures 2 to 4 As shown, a high-frequency vibration yarn spreading device comprises a yarn spreading body 4, a vibration device is provided in the middle section of the yarn spreading body 4, the vibration device comprises a vibration main body spanning the yarn spreading body 4, and two sets of vibration brackets are provided on both sides of the yarn spreading body 4 and connected to the two ends of the vibration main body, the vibration main body comprises a vibration plate 5 and a plurality of vibration motors 6, the vibration bracket comprises a frame upper seat 7, a plurality of upper bridge frames 8, a plurality of connection frames 9, a plurality of connection plates 10, a plurality of lower bridge frames 11, and a frame base 12, wherein one end of the frame upper seat 7 is fixedly connected to the end of the vibration plate 5 by screws and nuts, the other end of the frame upper seat 7 is fixedly connected to the upper side of the upper bridge frame 8 by screws and nuts, one end of the frame base 12 is fixedly connected to the lower side of the lower bridge frame 11, the other end of the frame base 12 is fixedly connected to the side lower part of the yarn spreading body 4, and the upper surface of the vibration plate 5 is in surface contact with the yarn bundle 14 (that is, the fiber bundle).

[0027] Specifically, the vibration plate 5 is a rectangular, hollow metal plate. Preferably, the length of the vibration plate 5 is 197 cm, the width is 12 cm, and the height is 5 cm. Preferably, the height of the vibration bracket is 40 cm (i.e., the distance from the top of the frame seat 7 to the bottom of the frame base 12). In actual application, it can be appropriately adjusted according to specific circumstances.

[0028] Specifically, there are at least three vibration motors 6 , which are dispersedly installed on the lower outer surface of the vibration plate 5 .

[0029] Specifically, the frame seat 7 is a hollow rectangular metal piece, and three quarters of the lower inner end of the frame seat 7 is cut off to form an L-shaped cutout 71 , which is in contact with the upper surface and side surface of the yarn spreading body 4 .

[0030] Specifically, the upper bridge frame 8 and the lower bridge frame 11 have the same structure and are arranged inverted with each other. Each set of vibration brackets includes two upper bridge frames 8 and two lower bridge frames 11, two connecting frames 9, and eight connecting plates 10. The connecting plates 10 are metal parts.

[0031] Specifically, the upper bridge frame 8 and the lower bridge frame 11 include a bridge plate 81 and a bridge frame 82 fixedly connected to one side of the bridge plate 81 by electric welding. The bridge frame 82 is a hollow square metal part, and the bridge plate 81 is a rectangular metal plate. The length of the bridge plate 81 is greater than the side length of the bridge frame 82. The width of the bridge plate 81 matches the width of the bridge frame 82. Screw holes 83 are respectively provided at both ends of the bridge plate 81. The bridge plate 81 of the upper bridge frame 8 is located on the upper side of the bridge frame 82, and the bridge plate 81 of the lower bridge frame 11 is located on the lower side of the bridge frame 82. The left and right sides of the bridge frame 82 are the length, and the front and back of the bridge frame 82 are the width.

[0032] Specifically, the connection frame 9 is composed of two hollow square frames 91 stacked up and down, which are metal parts. The two connection frames 9 are respectively arranged between a group (one group on the left and one group on the right) of upper bridge frames 8 and lower bridge frames 11, and are not on the straight line between the upper bridge frames 8 and lower bridge frames 11.

[0033] Specifically, four connecting plates 10 are arranged in the same plane and in a diamond shape on the front sides of the four bridge frames 82 and the two connecting frames 9, and another four connecting plates 10 are arranged in the same plane and in a diamond shape on the rear sides of the four bridge frames 82 and the two connecting frames 9.

[0034] Specifically, the upper ends of the four connecting plates 10 are respectively fixedly connected to the square shafts 84 provided in the bridge frames 82 of the two upper bridge frames 8 (for example, by welding), the lower ends of the four connecting plates 10 are respectively fixedly connected to the square shafts 84 provided in the upper frames 91 of the two connecting frames 9, the lower ends of the other four connecting plates 10 are respectively fixedly connected to the square shafts 84 provided in the bridge frames 82 of the two lower bridge frames 11, and the upper ends of the other four connecting plates 10 are fixedly connected to the square shafts 84 provided in the lower frames 91 of the two connecting frames 9. The square shaft 84 is a hollow metal part and is arranged in a diamond shape. A rubber block (not shown) is arranged between the outer surface of the square shaft 84 and the inner walls of the bridge frame 82 and the square frame 91. The square shaft 84 is surrounded by the rubber block and performs a small vibration up, down, left, and right. The vibration principle of the device is: the vibration motor 6 drives the vibration plate 5, the upper seat 7, the upper bridge frame 8, the square shaft 84, the connecting plate 10 and the connecting frame 9 to vibrate together in sequence, so as to spread the yarn bundle 14.

[0035] Specifically, the frame base 12 is a metal part, including a bottom plate 121 and a hollow square bar 122 fixed to the lower side of the bottom plate 121 by electric welding. The bottom plate 121 and the square bar 122 are T-shaped. The length of the bottom plate 121 matches the length of the bridge plates 81 of the two lower bridge frames 11. Four screw holes 83 are provided on the bottom plate 121, which are used to be fixedly connected with the screw holes 83 of the bridge plates 81 of the two lower bridge frames 11 by screws. The suspended end of the square bar 122 is fixedly connected to the lower side of the yarn spreading body 4 by electric welding. In this solution, an adjustment mechanism is provided between the frame base 12 and the lower bridge frame 11, and the adjustment mechanism is composed of four washers 13 of the same specification with different thicknesses. The vibration motor 6 of this solution is a prior art, and its specific specifications and models are not described in detail here. Preferably, the power of each vibration motor 6 is selected to be 120W. In this solution, the vibration plate 5, the frame seat 7, the bridge frame 82, the connecting frame 9, and the square bar 122 all adopt a hollow structure, which has the advantages of reducing weight, saving materials, reducing costs, and improving vibration effects.

[0036] In summary, the technical solution of the utility model has the following beneficial effects:

[0037] The utility model solves the problem that the existing mechanical multi-group roller method has a cylindrical vibration rod, and its contact with the fiber bundle is a linear contact, resulting in insufficient yarn spreading width, too much yarn hair, poor quality, and low product qualification rate, which seriously hinders the production of the factory. The present solution adopts a vibration plate to replace the existing vibration rod, and changes the linear contact to a plane contact. Three vibration motors are used, and two sets of vibration brackets with special structures are used, so that when the fiber bundle passes through the upper surface of the vibration plate, the yarn can be spread evenly and the yarn tension can be balanced during the high-frequency vibration process, while ensuring the yarn spreading width, reducing yarn hair, and improving the product qualification rate and product quality. The rubber block provided between the outer surface of the square shaft of the present solution and the inner wall of the bridge frame and the square frame can effectively reduce the vibration noise and control the amplitude of the vibration bracket within a suitable range. In order to accurately adjust the horizontal height of the vibration plate to meet the production requirements of fiber bundles of different specifications, the present solution is provided with an adjustment mechanism between the frame base and the lower bridge frame. The adjustment mechanism is composed of four washers of the same specifications with different thicknesses, which improves the versatility of the present solution. In this solution, the vibration plate, frame seat, bridge frame, connection frame and square bars all adopt a hollow structure, which has the advantages of reducing weight, saving materials, reducing costs and improving vibration effects.

[0038] The above-described implementation methods do not constitute a limitation on the protection scope of the technical solution. Any modification, equivalent replacement and improvement made within the spirit and principle of the above-described implementation methods shall be included in the protection scope of the technical solution.

Claims

1. A high-frequency vibration yarn spreading device, comprising a yarn spreading body, Features: A vibration device is provided in the middle section of the yarn spreading body, and the vibration device includes a vibration body spanning the yarn spreading body, and two sets of vibration brackets are provided on both sides of the yarn spreading body and connected to the two ends of the vibration body, the vibration body includes a vibration plate and multiple vibration motors, and the vibration bracket includes an upper seat, multiple upper bridge frames, multiple connecting frames, multiple connecting plates, multiple lower bridge frames, and a frame base, wherein one end of the upper seat is fixedly connected to the end of the vibration plate, the other end of the upper seat is fixedly connected to the upper side of the upper bridge frame, one end of the frame base is fixedly connected to the lower side of the lower bridge frame, and the other end of the frame base is fixedly connected to the lower side of the yarn spreading body, and the upper surface of the vibration plate contacts the yarn bundle surface.

2. According to claim 1, the high-frequency vibration yarn spreading device, Features: The vibration plate is a rectangular, hollow metal plate.

3. According to claim 2, the high-frequency vibration yarn spreading device, Features: There are at least three vibration motors, which are dispersedly installed on the lower outer surface of the vibration plate.

4. According to claim 3, the high-frequency vibration yarn spreading device, Features: The frame seat is a hollow rectangular metal piece, and three quarters of the lower inner end of the frame seat is cut off to form an L-shaped incision, and the L-shaped incision is in contact with the upper surface and side surface of the yarn spreading body.

5. According to claim 4, the high-frequency vibration yarn spreading device, Features: The upper bridge frame has the same structure as the lower bridge frame and is arranged inverted with each other. Each set of vibration brackets includes two upper bridge frames and two lower bridge frames, two connecting frames, and eight connecting plates, and the connecting plates are metal parts.

6. According to claim 5, the high-frequency vibration yarn spreading device, Features: The upper bridge frame and the lower bridge frame include a bridge plate and a bridge frame fixedly connected to one side of the bridge plate, the bridge frame is a hollow cuboid metal part, the bridge plate is a rectangular metal plate, the length of the bridge plate is greater than the side length of the bridge frame, the width of the bridge plate matches the width of the bridge frame, screw holes are respectively provided at both ends of the bridge plate, the bridge plate of the upper bridge frame is located on the upper side of the bridge frame, and the bridge plate of the lower bridge frame is located on the lower side of the bridge frame.

7. The high-frequency vibration yarn spreading device according to claim 6, Features: The connection frame is composed of two hollow square frames stacked up and down, and is a metal part. The two connection frames are respectively arranged between a group of upper bridge frames and lower bridge frames, and are not on the straight line between the upper bridge frames and the lower bridge frames.

8. The high-frequency vibration yarn spreading device according to claim 7, Features: The four connecting plates are coplanar and rhombus-shaped and arranged at the front sides of the four bridge frames and the two connecting frames, and the other four connecting plates are coplanar and rhombus-shaped and arranged at the rear sides of the four bridge frames and the two connecting frames.

9. The high-frequency vibration yarn spreading device according to claim 8, Features: The upper ends of the four connecting plates are respectively fixedly connected to the square shafts provided in the bridge frames of the two upper bridge frames, the lower ends of the four connecting plates are respectively fixedly connected to the square shafts provided in the upper frames of the two connecting frames, the lower ends of the other four connecting plates are respectively fixedly connected to the square shafts provided in the bridge frames of the two lower bridge frames, and the upper ends of the other four connecting plates are fixedly connected to the square shafts provided in the lower frames of the two connecting frames; the square shaft is a hollow metal part and is arranged in a rhombus shape, and a rubber block is provided between the outer surface of the square shaft and the inner walls of the bridge frame and the square frame.

10. The high-frequency vibration yarn spreading device according to claim 9, Features: The frame base is a metal part, including a bottom plate and a hollow square bar fixed on the lower side of the bottom plate. The bottom plate and the square bar are T-shaped. The length of the bottom plate matches the length of the bridge plates of the two lower bridge frames. Four screw holes are provided on the bottom plate. The suspended end of the square bar is fixedly connected to the lower side of the yarn spreading body.

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