Filament crimping equipment

Abstract

The cellosilk crimping equipment comprises a machine body, and a crimping roller set and two groups of crimping cutters which are adjacent to each other are arranged on the machine body; the two groups of crimping knives are opposite up and down, and a group of tongue depressors inclined downwards are hinged to the lower end surface of the crimping knife positioned on the upper side, so that a crimping cavity positioned between the tongue depressors and the crimping roller group is formed between the two groups of crimping knives; a plurality of air holes are formed in the crimping knife wall surfaces on the upper and lower sides of the crimping cavity in a penetrating manner; a set of supports are arranged below the crimping knife located on the lower side, placing positions matched with the crimping knives in outline are arranged on the supports, and the crimping knife located on the lower side is clamped in the placing positions. According to the fiber yarn curling equipment, the air holes are formed in the opposite curling knives on the upper side and the lower side of the curling cavity, so that steam can flow in the curling cavity conveniently, and the steam environment in the fiber yarn curling process is guaranteed; and when a certain amount of broken fibers are adhered to the surface of the lower crimping knife, the lower crimping knife can be taken out from the placement position on the bracket, and the broken fibers adhered to the surface are cleaned.

Description

Technical Field

[0001] This utility model relates to the field of fiber processing, and more specifically, to a fiber crimping device. Background Technology

[0002] In fiber production processes, depending on the final form requirements of the fiber product, it is sometimes necessary to crimp the fiber. For example, crimping can make the fiber form a certain degree of crimp, thereby increasing the gaps between the fibers and making the fiber aggregate more fluffy. This fluffiness not only helps to improve the warmth retention of textiles, but also improves the feel and appearance of textiles.

[0003] Currently, most industries utilize crimping machines to crimp fiber filaments. These machines typically consist of two sets of crimping rollers and two sets of crimping blades. The two sets of crimping rollers rotate in the same direction, providing a certain thrust to the fiber filaments, allowing them to pass between the two sets of crimping blades. The gap between the pressure plate on the upper crimping blade and the lower crimping blade creates resistance, causing uneven force on both sides of the fiber filament. Under steam heating, this results in natural crimping and extrusion. However, during the crimping process, the resistance and dragging effect between the pressure plate and the crimping blades creates many residual broken filaments on the surface of the lower crimping blade. These broken filaments adhere to the contact surface between the lower crimping blade and the pressure plate due to water vapor. Long-term accumulation of these broken filaments affects the contact effect between the pressure plate and the lower crimping blade, thus impacting the crimping quality. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide a fiber crimping device.

[0005] The embodiments of this utility model are achieved through the following technical solutions:

[0006] A fiber crimping device includes a machine body, on which adjacent crimping roller groups and two sets of crimping blades are provided;

[0007] Two sets of curling blades are positioned opposite each other, and a set of downwardly inclined pressure plates are hinged to the lower end face of the upper curling blade to form a curling cavity between the two sets of curling blades, located between the pressure plates and the curling roller assembly. Several air holes are provided through the walls of the curling blades on both the upper and lower sides of the curling cavity. A set of supports is provided below the lower curling blade, and the supports have placement positions that match the contour of the curling blades. The lower curling blades are fitted into the placement positions.

[0008] Furthermore, in the length direction of the curling cavity, the curling blade located on the lower side has a first end and a second end, the first end of the curling blade abuts against the side wall of the placement position, and the bracket is provided with a limiting part that restricts the curling blade from sliding out from the second end;

[0009] The second end of the curling blade is provided with a handle for lifting the second end of the curling blade, so that the second end of the curling blade can be released from the constraint of the limiting part.

[0010] Furthermore, a gas collecting hood is provided on the upper side of the curling knife, and the gas collecting hood covers the plurality of air holes; the gas collecting hood is provided with a plurality of air inlet pipes, which are used to connect to a steam source to introduce steam into the curling cavity from top to bottom.

[0011] Furthermore, the plurality of air inlet pipes are arranged at uniform intervals along the arrangement direction of the plurality of air holes located on the upper side of the coiling blade.

[0012] Furthermore, it also includes a cover set on the machine body, with two sets of crimping rollers and two sets of crimping knives all located inside the cover, and material passage holes for fiber filaments to enter and exit on both sides of the cover; the multiple air inlet pipes are installed on the cover.

[0013] Furthermore, the machine body is also provided with a collection box located below the cover, and the lower end of the cover is provided with an opening that is vertically opposite to the collection box.

[0014] Furthermore, the machine body is also provided with a pressing mechanism for pressing down the free end of the tongue depressor, the pressing mechanism comprising:

[0015] An extruder is slidably mounted on the upper curling blade, the lower end of the extruder abuts against the pressure tongue plate, and the upper end of the extruder has a first wedge-shaped surface.

[0016] A slider having a second wedge-shaped surface that slides in contact with the first wedge-shaped surface, the slider being horizontally slidable within the housing;

[0017] A screw threaded onto the housing, the end of the screw being rotatably connected to the slider so that the slider can slide horizontally by screwing the screw; and

[0018] A spring, connected between the extruder and the housing, is used to drive the extruder to slide upwards.

[0019] Furthermore, the screw is provided with a scale to display the screw's advance / retreat value.

[0020] The technical solution of this utility model embodiment has at least the following advantages and beneficial effects:

[0021] In the fiber curling device of this utility model, the curling knives on the upper and lower sides of the curling cavity are provided with air holes to facilitate the flow of steam in the curling cavity and ensure the steam environment during the fiber curling process. In addition, the lower curling knife is placed in a position on the support. After a certain amount of broken fiber filaments adhere to the surface of the lower curling knife, the lower curling knife can be removed from the position on the support to clean the broken fiber filaments adhering to the surface. Attached Figure Description

[0022] Figure 1 This is a perspective view of the fiber crimping device of this utility model;

[0023] Figure 2 This is a schematic diagram of the internal structure of the fiber crimping device of this utility model;

[0024] Figure 3 This is a schematic diagram showing the assembly relationship of the two sets of curling blades in the fiber curling device of this utility model;

[0025] Figure 4 for Figure 2 Enlarged view of part A;

[0026] Icons: 1-Main body, 10-Curling roller assembly, 100-Gear, 11-Cover, 110-Passing hole, 111-Opening, 112-Air inlet pipe, 12-Collection box, 20-Curling knife, 200-Air hole, 201-Handle, 21-Tongue depressor, 22-Bracket, 220-Placement position, 221-Limiting part, 222-Reinforcing plate, 23-Air collection hood, 24-Curling cavity, 3-Pressure mechanism, 30-Extrusion part, 300-First wedge surface, 31-Slider, 310-Second wedge surface, 32-Screw, 33-Spring. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0028] Reference Figures 1 to 4 This utility model provides a fiber crimping device, including a machine body 1, on which adjacent crimping roller groups 10 and two crimping blades 20 are provided. The crimping roller group 10 includes two crimping rollers, and a set of gears 100 is provided at the same end between the two sets of crimping rollers. The two sets of gears 100 mesh. A drive motor is provided at the end of one set of crimping rollers, which can make the two sets of crimping rollers rotate synchronously.

[0029] Reference Figure 2 and Figure 3 Two sets of crimping blades 20 are arranged opposite each other, with the gap between the two sets of crimping blades 20 at the same height as the gap between the two sets of crimping rollers. One end of each set of crimping blades 20 is close to the gap between the two sets of crimping rollers. Under the feeding action of the crimping roller group 10, the fiber filaments are squeezed into the space between the two sets of crimping blades 20.

[0030] Reference Figure 3 In this structure, a set of downwardly inclined pressure plates 21 are hinged to the lower end face of the upper curling blade 20. Under the action of the extruder 30, the free end of the pressure plate 21 can be brought infinitely close to the upper surface of the lower curling blade 20. There is a curling cavity 24 between the two sets of curling blades 20. The curling cavity 24 is located on the left side in the horizontal direction between the pressure plate 21 and the curling roller group 10 on the right side. The fiber filaments continuously accumulate in the curling cavity 24 and are extruded along the gap between the pressure plate 21 and the lower curling blade 20. During the process, the fiber filaments are subjected to uneven force and bend and deform.

[0031] The fiber crimping process requires steam heating; therefore, refer to... Figure 3 and Figure 4 Several air holes 200 are provided through the walls of the curling blades 20 on both the upper and lower sides of the curling cavity 24. A gas collecting hood 23 is provided on the upper curling blade 20, which covers the air holes 200. The gas collecting hood 23 is provided with multiple air inlet pipes 112, which are used to connect to a steam source to introduce steam into the curling cavity 24 from top to bottom. The steam can be discharged through the air holes 200 on the lower curling blade 20. During the process, the steam penetrates the fiber filaments in the curling cavity 24, improving the heating effect.

[0032] During the fiber curling process, the resistance between the pressure plate 21 and the lower curling knife 20 can cause fiber breakage. These broken fibers adhere to the lower curling knife 20 in a steam environment and need to be removed periodically. Therefore, refer to... Figure 3 Below the lower curling blade 20, there is a set of brackets 22. The brackets 22 are supported by several reinforcing plates 222. The brackets 22 have a placement position 220 that matches the contour of the curling blade 20. The lower curling blade 20 is placed in the placement position 220. When cleaning is required, the lower curling blade 20 can be taken out.

[0033] Reference Figure 3 In the length direction of the curling cavity, the lower curling blade 20 has a first end and a second end. The first end of the curling blade 20 abuts against the side wall of the placement position 220. The bracket 22 is provided with a limiting part 222 to restrict the curling blade 20 from sliding out of the second end. During the curling process of the fiber filament, the lower curling blade 20 will be pushed towards the limiting part 222. Under the constraint of the limiting part 222, the lower curling blade 20 can not slide out of the placement position 220.

[0034] Reference Figure 3 The second end of the curling blade 20 is provided with a handle 201. When removing the lower curling blade 20, the second end of the curling blade 20 can be lifted by the handle so that the second end of the curling blade 20 can be released from the constraint of the limiting part 221 and the curling blade 20 can be pulled out.

[0035] In addition, the machine body 1 is provided with a cover 11, and the curling roller group 10 and two sets of curling knives 20 are all located inside the cover 11. The left and right sides of the cover 11 are provided with material passage holes 110 for fiber filaments to enter and exit, which can reduce the splashing of broken fiber filaments and maintain the curling temperature inside the cover 11.

[0036] Reference Figure 1 Multiple air inlet pipes 112 are evenly arranged on the cover 11 along the arrangement direction of several air holes 200 on the upper curling knife 20. When fiber filaments block the air holes 200 on the upper curling knife 20, airflow can be blown into the lower side through the air inlet pipes 112 to blow out the fiber filaments.

[0037] The machine body 1 is also provided with a collection box 12 located below the cover 11. The lower end of the cover 11 is provided with an opening 111 that is vertically opposite to the collection box 12, so that the blown fiber filaments can be collected in the collection box 12.

[0038] In order to make the gap between the tongue plate 21 and the lower curling knife 20 of the curling equipment adjustable so as to produce fiber filaments with different curling shapes, the machine body 1 is also provided with a pressing mechanism 3 for pressing down the free end of the tongue plate 21.

[0039] Reference Figure 4 The pressing mechanism 3 includes an extruder 30, a slider 31, a screw 32, and a spring 33. The extruder 30 is slidably mounted on the upper curling blade 20. The lower end of the extruder 30 abuts against the back of the pressure tongue plate 21. The upper end of the extruder 30 has a first wedge-shaped surface 300. The spring 33 is connected between the extruder 30 and the cover 11 to drive the extruder 30 to slide upward, so that the extruder 30 can move upward under the action of the spring 33.

[0040] Among them, reference Figure 4 The slider 31 is horizontally slidably disposed inside the cover 11. The slider 31 has a second wedge surface 310 that slides in contact with the first wedge surface 300. The screw 32 is threadedly connected to the cover 11. The end of the screw 32 is rotatably connected to the slider 31. The slider 31 can be made to slide horizontally by turning the screw 32, so as to push the extruder 30 down to press the tongue plate 21 in the screwed-in state.

[0041] Alternatively, the screw 32 may be provided with a scale to display the screw 32’s advance / retreat value, thereby obtaining the degree of pressure of the pressure plate 21 corresponding to different curling forms of the fiber filament.

[0042] The fiber crimping equipment of this invention can easily process fibers with different degrees of crimping.

[0043] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A fiber yarn crimping device comprising a machine body, the machine body being provided with adjacent crimping roller sets and two sets of crimping knives, characterized in that: the two sets of crimping knives are opposite to each other, and the lower end surface of the upper crimping knife is hinged with a set of downwardly inclined tongue depressors to form a crimping cavity between the tongue depressors and the crimping roller sets; a plurality of air holes are provided on the wall surface of the crimping knives on both sides of the crimping cavity; a set of supports is provided below the lower crimping knife, the supports are provided with a placement position matching the contour of the crimping knife, and the lower crimping knife is clamped in the placement position. In the length direction of the crimping cavity, the lower crimping knife has opposite first and second ends, the first end of the crimping knife abuts against the side wall of the placement position, and the supports are provided with a limiting portion limiting the sliding of the second end of the crimping knife.

2. The fiber filament crimping apparatus of claim 1, wherein, The second end of the crimping knife is provided with a handle for lifting the second end of the crimping knife, so that the second end of the crimping knife can be released from the limiting portion. The upper crimping knife is provided with a gas collecting hood covering the plurality of air holes; the gas collecting hood is provided with a plurality of air inlet pipes for connecting a steam source to supply steam into the crimping cavity from top to bottom.

3. The fiber yarn crimping apparatus according to claim 1 or 2, characterized by, The plurality of air inlet pipes are uniformly arranged along the arrangement direction of the plurality of air holes on the upper crimping knife.

4. The fiber filament crimping apparatus of claim 3, wherein, Further comprising a cover shell provided on the machine body, the two sets of crimping rollers and the two sets of crimping knives are provided in the cover shell, the cover shell is provided with material passing holes on both sides for the entry and exit of fiber yarns; and the plurality of air inlet pipes are installed on the cover shell.

5. The fiber filament crimping apparatus of claim 3, wherein, The machine body is further provided with a collection box below the cover shell, and the lower end of the cover shell is provided with an open mouth opposite to the collection box.

6. The fiber filament crimping apparatus of claim 5, wherein, The machine body is further provided with a pressing mechanism for pressing the free end of the tongue depressor, the pressing mechanism comprises:

7. The fiber filament crimping apparatus of claim 6, wherein, a pressing member capable of sliding up and down on the upper crimping knife, the lower end of the pressing member abuts against the tongue depressor, and the upper end of the pressing member has a first wedge surface; a sliding block having a second wedge surface in sliding contact with the first wedge surface, the sliding block is horizontally slidably arranged in the cover shell; a screw threadedly connected to the cover shell, the end of the screw is rotationally connected to the sliding block, so that the sliding block is horizontally slid by screwing the screw; and a spring connected between the pressing member and the cover shell for driving the pressing member to slide upward. The screw is provided with a scale for displaying the screw-in / unscrew value of the screw.

8. The fiber filament crimping apparatus of claim 7, wherein, ​

Images