A fiber dispersion testing device with dual-track observation

Abstract

The present invention relates to a fiber dispersion test device with dual-track observation, which belongs to the technical field of fiber dispersion test and solves the problem of lack of efficient and accurate technical means for fiber dispersion test in the prior art. The present invention comprises: a first shooting mechanism, a second shooting mechanism, an observation cup, a first driving mechanism and a second driving mechanism; the shooting mechanism comprises: an arc-shaped positioning rail, a rotating motion bracket, a lens mounting bracket and a high-speed camera; the rotating motion bracket can slide along the arc-shaped positioning rail under the drive of the first driving mechanism, the lens mounting bracket is fixedly mounted on the rotating motion bracket, and a high-speed camera is fixedly mounted at the end; the observation cup is used to store dispersion medium and fiber to be tested, and can rotate under the drive of the second driving mechanism to disperse the fiber; and is photographed by a high-speed camera. The present invention realizes the rapid dispersion of fibers and real-time observation of fiber dispersion.

Description

Technical Field

[0001] The invention relates to the technical field of fiber dispersion testing, and in particular to a fiber dispersion testing device with dual-track observation. Background Art

[0002] Fiber materials are widely used in various industries and daily life. According to the source of raw materials, fibers can be generally divided into natural fibers, artificial fibers, synthetic fibers, inorganic fibers and metal fibers. Testing the dispersion of fibers is of great significance for the evaluation of their own performance, the manufacture of composite fibers and the application of fibers in composite materials.

[0003] For example: Dispersibility is one of the very important factors in the process of making metal fibers into fiber felt, which affects the air permeability, filtration and other properties of the fiber felt. The uniform dispersion of fibers in water (or dispersion medium) is conducive to the uniform mixing between fibers and is an important indicator for the preparation of fiber composite materials. Adding fibers to material slurry (concrete mortar) after chopped fibers can improve material properties, and the dispersion of fibers affects the effect of improving material properties. Characterizing and evaluating the degree of dispersion of fibers under different test conditions is an important way to study fiber properties. However, there is still a lack of efficient and reliable equipment for the preparation of fiber mixed solvents and the observation and evaluation of the degree of mixing.

[0004] Therefore, the present invention provides a fiber dispersion testing device with dual-track observation, which is used to achieve rapid dispersion of fibers in a dispersion medium (water or other solutions) and observation of the dispersion of the fibers. Summary of the invention

[0005] In view of the above analysis, the present invention aims to provide a fiber dispersion testing device with dual-track observation to solve the problem that the existing fiber dispersion test has inaccurate and incomplete evaluation of fiber dispersion.

[0006] The purpose of the present invention is mainly achieved through the following technical solutions:

[0007] A fiber dispersion testing device with dual-track observation includes: a first shooting mechanism, a second shooting mechanism, an observation cup, a first driving mechanism and a second driving mechanism;

[0008] The first photographing mechanism and the second photographing mechanism have the same structure and are arranged perpendicular to each other;

[0009] The first shooting mechanism comprises: an arc-shaped positioning rail, a rotating motion bracket, a lens mounting bracket and a high-speed camera; the rotating motion bracket can slide along the arc-shaped positioning rail under the drive of the first driving mechanism, the lens mounting bracket is fixedly mounted on the rotating motion bracket, and the high-speed camera is fixedly mounted at the end; the high-speed camera is used to shoot the dispersed fiber solution;

[0010] The observation cup is arranged below the first photographing mechanism and is located inside the second photographing mechanism;

[0011] The observation cup is used to store the dispersion medium and the fiber to be tested, and can be rotated under the drive of the second driving mechanism, thereby achieving dispersion of the fiber to be tested in the dispersion medium.

[0012] Furthermore, an arc-shaped slide groove is arranged on the outer side of the arc-shaped positioning rail; the rotational motion bracket is embedded in the arc-shaped slide groove, and an arc-shaped rack protruding from the arc-shaped positioning rail is arranged on the outer side of the rotational motion bracket; the arc-shaped rack is driven to rotate by a first driving mechanism, and the rotational motion bracket slides in the arc-shaped slide groove when the arc-shaped rack rotates; in the process of the rotational motion bracket sliding in the arc-shaped slide groove, the lens mounting bracket drives the high-speed camera to deflect left and right.

[0013] Furthermore, a limiting slide groove is arranged on the inner side of the arc-shaped positioning rail, and a strip through hole is arranged between the limiting slide groove and the arc-shaped slide groove; one end of the lens mounting bracket is fixedly connected to the rotating motion bracket, and the other end passes through the strip through hole and is fixedly connected to the high-speed camera.

[0014] Furthermore, two rolling pulleys are rotatably mounted on both sides of the lens mounting bracket; the rolling pulleys are arranged on the inner side of the arc-shaped positioning rail and are in rolling contact with the arc-shaped wall surface of the limiting slide groove. The rolling pulleys can limit the movement trajectory of the rotating motion bracket when the rotating motion bracket rotates relative to the arc-shaped positioning rail.

[0015] Furthermore, the first driving mechanism includes: a first driving motor and a power distribution assembly; the first driving motor is used to input rotational power to the power distribution assembly. Specifically, the power distribution assembly can divide the rotational power into two paths, thereby synchronously driving the two high-speed cameras of the first shooting mechanism and the second shooting mechanism to move synchronously.

[0016] Further, the power distribution assembly includes: a first rotating gear, a first bevel gear, a second bevel gear, a first transmission gear, a second transmission gear and a second rotating gear; the first rotating gear is meshed with the arc rack of the second shooting mechanism for transmission, and the second rotating gear is meshed with the arc rack of the first shooting mechanism for transmission; the first rotating gear and the first bevel gear share a rotating axis; the second bevel gear is meshed with the first bevel gear and shares a rotating axis with the first transmission gear; the second transmission gear is meshed with the first transmission gear for transmission, and shares a rotating axis with the second rotating gear.

[0017] Furthermore, the second driving mechanism includes: a cup body positioning assembly and a second driving motor; the second driving motor is used to drive the cup body positioning assembly to rotate; and the observation cup is detachably mounted on the cup body positioning assembly.

[0018] Furthermore, the observation cup includes: a cup body, a central spline shaft, an arc-shaped plug-in portion and a disturbance component; the central spline shaft is rotatably connected to the bottom plate of the cup body and rotationally sealed, its upper end is fixedly connected to the disturbance component, and a spline connection portion is provided at the lower end; a plurality of arc-shaped plug-in portions are fixedly provided at the bottom of the cup body.

[0019] Furthermore, the cup body positioning assembly includes: a rotating spline shaft, an inner gear ring; a rotating drive disk, a sun gear, a planetary gear and a positioning disk; the sun gear is driven to rotate by a second drive motor; one side of the planetary gear is meshed with the sun gear for transmission, and the other side is meshed with the inner gear ring for transmission; the rotation directions of the sun gear and the inner gear ring are opposite; the inner gear ring is fixedly mounted on the inner side of the rotating drive disk; the positioning disk is arranged above the rotating drive disk and the two are fixedly connected; the rotating spline shaft is fixedly mounted above the sun gear and is plug-connected with the spline connecting part of the center spline shaft; an arc-shaped plug-in hole is provided on the positioning disk to be plug-connected with the arc-shaped plug-in part.

[0020] Furthermore, an arc-shaped impact portion is fixedly provided on the inner side of the cup body; the disturbance component and the arc-shaped impact portion are both arc-shaped plate-like structures, and the two can be assembled into a semicircular component; a plurality of rectangular slots are arranged in parallel on the outer side of the disturbance component; when the disturbance component rotates under the drive of the second driving mechanism, it can drive the fiber solution inside the observation cup to rotate, and when the fiber solution rotates, it impacts the arc-shaped impact portion to disperse the fiber to be tested.

[0021] Furthermore, it also includes: a device housing; the device housing cover is arranged on the outside of the first shooting mechanism, the second shooting mechanism, the first driving mechanism and the second driving mechanism, and the first driving motor and the second driving motor are fixedly connected to the device housing; the inner wall surface of the device housing is painted black.

[0022] Furthermore, the first shooting mechanism and the second shooting mechanism are both fixedly connected to the device housing via a Y-shaped bracket; the arc-shaped positioning rail of the first shooting mechanism / the second shooting mechanism is clamped in the middle slot of the Y-shaped bracket and fixedly connected to the Y-shaped bracket.

[0023] Furthermore, the first drive motor and the second drive motor are both fixedly connected to the device housing.

[0024] Furthermore, a lighting device is installed inside the device housing.

[0025] The technical solution of the present invention can achieve at least one of the following effects:

[0026] 1. The fiber dispersion testing device with dual-track observation of the present invention can drive the observation cup to rotate through a motor, and realize the rapid dispersion of the fiber bundles in the dispersion medium through the disturbance component. At the same time, the fibers in the dispersed state in the observation cup are photographed by a high-speed camera to realize the real-time shooting of the fiber solution state, and then analyze the dispersion performance of different fiber types or the same fiber in different solvents.

[0027] 2. In the fiber dispersion testing device with dual-track observation of the present invention, the cup body of the observation cup is made of transparent material, and is provided with a first shooting mechanism and a second shooting mechanism for shooting the observation cup from the top and the side respectively, so as to obtain the three-dimensional state of the fiber in the solution (water / other solvent); wherein the first shooting mechanism is vertically arranged, and is used to shoot the solution image in a top-down state; the second shooting mechanism is horizontally arranged, and is used to shoot the solution image in a side-view state. Compared with the current dispersion analysis of shooting images of static solutions or simply analyzing transmittance, the fiber dispersion image obtained by the testing device of the present invention is more accurate, and the fiber dispersion state can be obtained more intuitively.

[0028] 3. In the fiber dispersion testing device with dual-track observation of the present invention, the first shooting mechanism and the second shooting mechanism are both arc motion mechanisms, which are synchronously driven by motors to drive the high-speed cameras of the two shooting mechanisms to perform arc motion. During the arc motion of the high-speed cameras, the fiber solution can be continuously photographed from multiple angles, and multiple groups of images of the fiber solution can be obtained. By analyzing the multiple groups of multi-angle images of the fiber solution taken by the high-speed camera at different times, the dispersion efficiency and dispersion degree information of the fiber in the solution can be obtained.

[0029] In the present invention, the above-mentioned technical solutions can also be combined with each other to achieve more preferred combination solutions. Other features and advantages of the present invention will be described in the subsequent description, and some advantages can become obvious from the description, or can be understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained through the contents particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The drawings are only for the purpose of illustrating particular embodiments and are not to be considered limiting of the present invention. Like reference symbols denote like components throughout the drawings.

[0031] Figure 1 It is a schematic diagram of the fiber dispersion testing device with dual-track observation of the present invention;

[0032] Figure 2 It is a structural schematic diagram of a Y-shaped bracket;

[0033] Figure 3 It is a structural schematic diagram of the image acquisition mechanism of the fiber dispersion testing device with dual-track observation according to the present invention;

[0034] Figure 4 for Figure 3 A rear view of the image acquisition mechanism in FIG.

[0035] Figure 5 for Figure 3 A left view of the image acquisition mechanism in FIG.

[0036] Figure 6 for Figure 3 A right view of the image acquisition mechanism in FIG.

[0037] Figure 7 for Figure 3 A top view of the image acquisition mechanism in FIG.

[0038] Figure 8 is a schematic diagram of the structural composition of the first shooting mechanism;

[0039] Fig. 9 is a front view of the first shooting mechanism;

[0040] Fig.10 is a schematic diagram of the motion state of the first shooting mechanism;

[0041] Fig.11 It is a schematic diagram of the structural composition of the arc positioning rail;

[0042] Fig.12 It is a schematic diagram of the structural composition of the rotary motion bracket;

[0043] Fig.13 Schematic diagram of the structural composition of the components for preparing the fiber solution;

[0044] Fig.14 is a structural schematic diagram of a second driving mechanism;

[0045] Fig.15 is a schematic diagram of the internal structure of the second driving mechanism;

[0046] Fig.16 It is a schematic diagram of the structure of the observation cup of the present invention;

[0047] Fig.17 This is a top view of the observation cup of the present invention;

[0048] Fig.18 It is a schematic diagram of the state of the observation cup when the disturbance component rotates;

[0049] Fig.19 A top view of the observation cup when the disturbance part is rotating.

[0050] Reference numerals:

[0051] 1-device housing; 2-first shooting mechanism; 3-second shooting mechanism; 4-power distribution assembly; 5-first drive motor; 6-observation cup; 7-cup body positioning assembly; 8-second drive motor; 9-Y-shaped bracket;

[0052] 201-arc positioning rail; 202-rotating motion bracket; 203-lens mounting bracket; 204-high-speed camera; 205-rolling pulley; 2011-limiting slide groove; 2012-arc slide groove; 2013-strip through hole;

[0053] 401-first rotating gear; 402-first bevel gear, 403-second bevel gear, 404-first rotating shaft; 405-first transmission gear, 406-second transmission gear; 407-second rotating gear; 408-second rotating shaft; 409-first bearing; 410-second bearing;

[0054] 601-central spline shaft, 602-arc-shaped plug-in part; 603-disturbance component; 604-arc-shaped guide plate; 605-rectangular slot;

[0055] 701-rotating spline shaft, 702-inner gear ring; 703-rotating drive plate, 704-sun gear, 705-planetary gear; 706-positioning plate; 707-arc-shaped plug hole. DETAILED DESCRIPTION

[0056] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present invention and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0057] Example 1

[0058] A specific embodiment of the present invention discloses a fiber dispersion testing device with dual-track observation, such as Figure 1 , Figure 3-Figure 7 As shown, it includes: a first shooting mechanism 2, a second shooting mechanism 3, an observation cup 6, a first driving mechanism and a second driving mechanism; the first shooting mechanism 2 and the second shooting mechanism 3 have the same structure and are arranged perpendicular to each other.

[0059] The first shooting mechanism 2 and the second shooting mechanism 3 of the present invention are arranged perpendicular to each other. When the first shooting mechanism 2 moves, its high-speed camera 204 can make a circular motion around the observation cup 6 above the observation cup 6, and then take multi-angle photos of the observation cup 6 from above; when the second shooting mechanism 3 moves, its high-speed camera can make a circular motion around the observation cup 6 on the side of the observation cup 6, and then take multi-angle photos of the observation cup 6 from the side of the observation cup 6.

[0060] Specifically, Figure 1 As shown, the fiber dispersion testing device with dual-track observation of the present invention also includes: a device housing 1; the device housing 1 is covered on the outside of the first shooting mechanism 2, the second shooting mechanism 3, the first driving mechanism and the second driving mechanism, and the inner wall surface of the device housing 1 is painted black.

[0061] In the present invention, the side wall of the observation cup 6 is made of transparent material; the bottom of the observation cup 6 is painted black to achieve observation and comparison of the fiber state inside the observation cup 6 in a top view.

[0062] The following describes the structure of each part:

[0063] (A) First photographing mechanism 2, second photographing mechanism 3:

[0064] like Figure 8-Figure 12 As shown, the first shooting mechanism 2 includes: an arc-shaped positioning rail 201, a rotating motion bracket 202, a lens mounting bracket 203 and a high-speed camera 204; the rotating motion bracket 202 can slide along the arc-shaped positioning rail 201 under the drive of the first driving mechanism, the lens mounting bracket 203 is fixedly mounted on the rotating motion bracket 202, and the high-speed camera 204 is fixedly mounted at the end; the observation cup 6 is arranged below the first shooting mechanism 2 and is located on the inner side of the second shooting mechanism 3; the observation cup 6 is used to store the dispersion medium and the fiber to be tested, and can rotate under the drive of the second driving mechanism, thereby realizing the dispersion of the fiber to be tested in the dispersion medium; the high-speed camera 204 is used to shoot the dispersed fiber solution.

[0065] Specifically, Fig. 9 , Fig.10 As shown, when the high-speed camera 204 of the first shooting mechanism 2 is located directly above the observation cup 6, a top-down view of the observation cup 6 and the solution therein can be obtained; when the high-speed camera 204 of the first shooting mechanism 2 is located slightly to the right above the observation cup 6, a top-right offset perspective of the observation cup 6 and the solution therein can be obtained; similarly, when the high-speed camera 204 of the first shooting mechanism 2 is located slightly to the left above the observation cup 6, a top-left offset perspective of the observation cup 6 and the solution therein can be obtained.

[0066] Specifically, the second shooting mechanism 3 has the same structural composition and motion principle as the first shooting mechanism 2. Therefore, the second shooting mechanism 3 can also realize circular motion around the observation cup 6. When the second shooting mechanism 3 of the present invention drives its high-speed camera 204 to shoot at multiple angles around the side of the observation cup 6, side views of the observation cup 6 in different directions can be obtained.

[0067] The fiber dispersion testing device with dual-track observation of the present invention can combine the top view of the observation cup 6 obtained by the first shooting mechanism 2 and multiple (2, 4, 6) top view side views on the left and right sides and the multi-directional side views in the circumferential direction of the observation cup 6 obtained by the second shooting mechanism 3, thereby obtaining three-dimensional distribution information of the dispersion state of the fibers in the observation cup 6, and thus can accurately characterize the dispersion properties of different types of fibers in liquids (water / other solutions).

[0068] Compared with the existing visual observation method, transmittance analysis method and single-direction photography method, the present invention can obtain more accurate and comprehensive dispersion state information. In addition, the image acquisition process and the disturbance dispersion process of the fiber can be carried out simultaneously in the present invention, so as to obtain the fiber dispersion speed, the ease of fiber dispersion in different solutions, the final dispersion degree of the fiber, the degree of re-aggregation / entanglement of the fiber after dispersion and other information for real-time monitoring.

[0069] Specifically, in the present invention, the arc-shaped positioning rail 201 of the first shooting mechanism 2 and the second shooting mechanism 3 is a semicircular structure. The rotating motion bracket 202 of the first shooting mechanism 2 and the second shooting mechanism 3 is a semicircular or arc-shaped structure. Preferably, in order to ensure the shooting angle, the central angle corresponding to the arc structure of the rotating motion bracket 202 is not less than 60° and not more than 180°.

[0070] Furthermore, if Figure 1 , Figure 2 As shown, the first shooting mechanism 2 and the second shooting mechanism 3 are both fixedly connected to the device housing 1 via a Y-shaped bracket 9; the arc-shaped positioning rail 201 of the first shooting mechanism 2 / the second shooting mechanism 3 is clamped in the middle slot of the Y-shaped bracket, and is fixedly connected to the Y-shaped bracket 9 via screws.

[0071] Furthermore, the first drive motor 5 and the second drive motor 8 are both fixedly connected to the inner wall of the device housing 1 by bolts. Specifically, a boss portion for mounting the first drive motor 5 is provided on the inner wall of the device housing 1, and the second drive motor 8 is fixedly mounted above the base of the device housing 1.

[0072] In a specific embodiment of the present invention, a lighting device is also provided on the inner wall surface of the device housing 1; preferably, the lighting device is an LED light strip. Alternatively, the lighting device is a lighting lamp and an annular lampshade, which is provided above the second shooting mechanism and is a conical structure with an opening facing downward.

[0073] like Fig.11 , Fig.12 As shown, an arc-shaped groove 2012 is arranged on the outer side of the arc-shaped positioning rail 201; the rotating motion bracket 202 is embedded in the arc-shaped groove 2012, and an arc-shaped rack protruding from the arc-shaped positioning rail 201 is arranged on the outer side of the rotating motion bracket 202; the arc-shaped rack is driven to rotate by a first driving mechanism, and the rotating motion bracket 202 slides in the arc-shaped groove 2012 when the arc-shaped rack rotates; during the sliding process of the rotating motion bracket 202 in the arc-shaped groove 2012, the lens mounting bracket 203 drives the high-speed camera 204 to deflect left and right.

[0074] Furthermore, if Figure 8 , Fig. 9 , Fig.10 As shown, a limiting groove 2011 is arranged on the inner side of the arc-shaped positioning rail 201, and a strip through hole 2013 is arranged between the limiting groove 2011 and the arc-shaped groove 2012; one end of the lens mounting bracket 203 is fixedly connected to the rotating motion bracket 202, and the other end passes through the strip through hole 2013 and is fixedly connected to the high-speed camera 204.

[0075] In the present invention, a lens mounting bracket 203 is provided to pass through the strip-shaped through hole 2013, and a high-speed camera 204 is installed at the lower end of the lens mounting bracket 203, thereby realizing an unobstructed design on the inner side of the arc-shaped positioning rail 201, ensuring that when the high-speed camera 204 observes the observation cup 6 and the state of the solution therein, it can avoid obstruction of the lens by the moving mechanism or other structures, thereby ensuring the continuity and integrity of image information acquisition.

[0076] Furthermore, two rolling pulleys 205 are rotatably mounted on both sides of the lens mounting bracket 203 ; the rolling pulleys 205 are arranged on the inner side of the arc-shaped positioning rail 201 and are in rolling contact with the arc-shaped wall surface of the limiting sliding groove 2011 .

[0077] like Figure 8 , Fig. 9 , Fig.10As shown, when the first rotating gear 4501 and the second rotating gear 407 of the first driving mechanism rotate, they can respectively drive the rotating motion bracket 202 of the first shooting mechanism 2 and the second shooting mechanism 3 to rotate. When the rotating motion bracket 202 rotates, it drives the lens mounting bracket 203 fixedly installed in the middle thereof to rotate around the center (center of the circle) of the arc-shaped positioning rail 201, and at the same time the rolling pulley 205 rolls along the lower surface of the arc-shaped positioning rail 201.

[0078] In the present invention, the rolling pulley 205 has the function of limiting the rotational motion bracket 202 from separating from the arc-shaped positioning rail 201. At the same time, the rolling pulley 205 rolls along the limiting slide groove 2011 on the lower surface of the arc-shaped positioning rail 201. The central angle corresponding to the limiting slide groove 2011 is the rotation angle of the rotational motion bracket 202, and is also the deflection angle of the lens mounting bracket 203. By setting the rolling pulley 205, the movement trajectory of the high-speed camera 204 is limited.

[0079] (B) First driving mechanism:

[0080] like Figure 1 , Figure 3 , Figure 4 As shown, the first driving mechanism includes: a first driving motor 5 and a power distribution component 4; the first driving motor 5 is used to input rotational power to the power distribution component 4; the power distribution component 4 can divide the rotational power into two paths, thereby synchronously driving the two high-speed cameras 204 of the first shooting mechanism 2 and the second shooting mechanism 3 to move synchronously.

[0081] In a specific embodiment of the present invention, the power distribution assembly includes: a first rotating gear 401, a first bevel gear 402, a second bevel gear 403, a first transmission gear 405, a second transmission gear 406, and a second rotating gear 407. The first rotating gear 401 is meshed with the arc-shaped rack of the second shooting mechanism 3 for transmission, and the second rotating gear 407 is meshed with the arc-shaped rack of the first shooting mechanism 2 for transmission; the first rotating gear 401 and the first bevel gear 402 share a rotating shaft; the second bevel gear 403 is meshed with the first bevel gear 402, and at the same time shares a rotating shaft with the first transmission gear 405; the second transmission gear 406 is meshed with the first transmission gear 405 for transmission, and shares a rotating shaft with the second rotating gear 407.

[0082] Specifically, Figure 4 , Figure 5 , Figure 6As shown, the second bevel gear 403 and the first transmission gear 405 are both fixedly mounted on the first rotating shaft 404, and the end of the first rotating shaft 404 is rotatably connected to the inner wall of the device housing 1 through the second bearing 410; thus, the second bevel gear 403 and the first transmission gear 405 can rotate synchronously.

[0083] Specifically, Figure 4 , Figure 5 , Figure 6 As shown, the second transmission gear 406 and the second rotating gear 407 are both fixedly mounted on the second rotating shaft 408, and the end of the second rotating shaft 408 is rotatably connected to the inner wall of the device housing 1 through the first bearing 409, so that the second transmission gear 406 and the second rotating gear 407 rotate synchronously.

[0084] Preferably, the transmission ratio between the first bevel gear 402 and the second bevel gear 403 and between the first transmission gear 405 and the second transmission gear 406 are both 1:1.

[0085] Considering that after the bevel gear set is used to convert the rotation direction, the rotation axis of the second bevel gear 403 and the rotation axis of the second rotating gear 407 are very likely to have a relative offset in the height direction and the horizontal direction; therefore, in the present invention, a group of transmission gears are provided to adjust the axial distance between the second bevel gear 403 and the second rotating gear 407; that is, by providing the first transmission gear 405 and the second transmission gear 406, the axial deviation between the second bevel gear 403 and the second rotating gear 407 in the vertical direction and the horizontal direction is corrected, so as to achieve synchronous rotation of the two. Alternatively, in order to facilitate the size design of the first transmission gear 405 and the second transmission gear 406, the meshing transmission between the first transmission gear 405 and the second transmission gear 406 is replaced by a gear toothed belt transmission mechanism, that is, an annular transmission toothed belt is provided on the first transmission gear 405 and the second transmission gear 406 to achieve synchronous movement of the two.

[0086] During implementation, the first drive motor 5 drives the first rotating gear 401 to rotate, and transmits power to the second rotating gear 407 through the first bevel gear 402, the second bevel gear 403, the first transmission gear 405, and the second transmission gear 406 in sequence, driving the second rotating gear 407 to rotate, so as to achieve synchronous rotation of the first rotating gear 401 and the second rotating gear 407, and the rotation axes are perpendicular to each other. In the present invention, the conversion of the power direction, i.e., the rotation direction of the gears, is achieved by setting a bevel gear set, and at the same time, staggered transmission is achieved through a set of transmission gears, thereby achieving synchronous movement of the first rotating gear 401 and the second rotating gear 407 whose rotation axes are perpendicular to each other, driven simultaneously by a first drive motor 5, and then the first shooting mechanism 2 and the second shooting mechanism 3 can be driven to move synchronously through the first rotating gear 401 and the second rotating gear 407.

[0087] Furthermore, the first rotating gear 401 is meshed with the arc-shaped rack on the back side of the rotating motion bracket 202 of the second shooting mechanism 3 for transmission, and thus the first rotating gear 401 can drive the rotating motion bracket 202 of the second shooting mechanism 3 to rotate, so that the lens mounting bracket 203 and the high-speed camera 204 of the second shooting mechanism 3 perform circular motion in the circumferential direction of the observation cup 6; similarly, the second rotating gear 407 is meshed with the arc-shaped rack on the back side of the rotating motion bracket 202 of the first shooting mechanism 2 for transmission, and thus the second rotating gear 407 can drive the rotating motion bracket 202 of the first shooting mechanism 2 to rotate, so that the lens mounting bracket 203 and the high-speed camera 204 of the first shooting mechanism 2 perform circular motion around the observation cup 6 at the top of the observation cup 6, and the axial direction of the lens mounting bracket 203 always points to the direction of the observation cup 6.

[0088] In the present invention, through the setting of the power distribution component, it is possible to achieve the synchronous operation of two sets of mutually perpendicular first shooting mechanisms 2 and second shooting mechanisms 3 driven by one driving motor, thereby achieving the synchronous movement of two high-speed cameras 204, so that the two high-speed cameras 204 can synchronously observe and record the real-time dispersion state of the fibers in the observation cup 6 from the top and the side.

[0089] (C) Observation cup 6:

[0090] In a specific embodiment of the present invention, Fig.16 , Fig.17 , Fig.18 , Fig.19 As shown, the observation cup 6 includes: a cup body, a central spline shaft 601, an arc-shaped plug-in portion 602 and a disturbance component 603; the central spline shaft 601 is rotatably connected to the bottom plate of the cup body and is rotationally sealed, its upper end is fixedly connected to the disturbance component 603, and a spline connection portion is provided at the lower end; a plurality of arc-shaped plug-in portions 602 are fixedly provided at the bottom of the cup body.

[0091] Specifically, the end of the central spline shaft 601 extends out of the bottom plate of the cup body and can be connected to the rotating spline shaft 701 of the cup body positioning assembly by spline plug-in, and the rotation of the rotating spline shaft can drive the central spline shaft 601 and the disturbance component to rotate.

[0092] Specifically, one or more disturbance components 603 are disposed outside the central spline shaft 601; illustratively, as Fig.16 , Fig.17 As shown, three disturbance components 603 are provided.

[0093] Furthermore, the inner side of the cup body is fixedly provided with an arc-shaped impact part 604; one or more arc-shaped impact parts 604 are provided on the inner wall of the cup body. Fig.16 , Fig.17 As shown, there are three arc-shaped impact portions 604 , and the three arc-shaped impact portions 604 are distributed at equal intervals in the circumferential direction of the cup body.

[0094] Furthermore, a plurality of rectangular slots 605 are arranged in parallel on the outer side of the disturbance component 603; the rectangular slots 605 enable the disturbance component 603 to form a comb-tooth structure, so that when the disturbance component rotates, it can circulate and stir the liquid in the cup body to flow in layers, thereby promoting mixing of the fibers in the liquid with the liquid.

[0095] In a specific embodiment of the present invention, the width of the rectangular slot 605 is 2 to 10 times the length of the chopped fiber strands; preferably, the width of the rectangular slot 605 is 12 mm.

[0096] (D) Second driving mechanism:

[0097] The second driving mechanism comprises: a cup body positioning assembly 7 and a second driving motor 8 ; the second driving motor 8 is used to drive the cup body positioning assembly 7 to rotate; the observation cup 6 is detachably mounted on the cup body positioning assembly 7 .

[0098] In a specific embodiment of the present invention, Fig.13 , Fig.14 , Fig.15 As shown, the cup body positioning assembly 7 includes: a rotating spline shaft 701, an inner gear ring 702; a rotating drive disk 703, a sun gear 704, a planetary gear 705 and a positioning disk 706.

[0099] The sun gear 704 is driven to rotate by the second drive motor 8; one side of the planetary gear 705 is meshed with the sun gear 704 for transmission, and the other side is meshed with the inner ring gear 702 for transmission; the sun gear 704 and the inner ring gear 702 have opposite rotation directions; the inner ring gear 702 is fixedly mounted on the inner side of the rotating drive disk 703; the positioning disk 706 is arranged above the rotating drive disk 703 and the two are fixedly connected; the rotating spline shaft 701 is fixedly mounted above the sun gear 704 and is plug-connected to the spline connecting part; the positioning disk 706 is provided with an arc-shaped plug-in hole 707 which is plug-connected to the arc-shaped plug-in part 602.

[0100] Specifically, Fig.13 , Fig.14 , Fig.15As shown, a plurality of first threaded holes are provided on the bottom end surface of the positioning disk 706, and a plurality of second threaded holes are correspondingly provided on the rotating drive disk 703, screws are installed in the first threaded holes and the second threaded holes, and the positioning disk 706 is connected and fixed to the rotating drive disk 703 by screws. When the second drive motor 8 drives the sun gear 704 to rotate, the sun gear 704 drives the inner gear ring 702 to rotate through the planetary gear 705, and the inner gear ring 702 is fixed to the rotating drive disk 703 as a whole, and then the positioning disk 706 can be driven to rotate through the rotating drive disk 703.

[0101] Specifically, the planetary gear 705 is rotatably mounted on the planetary gear carrier through the rotating shaft, and the planetary gear carrier is rotatably mounted on the outside of the driving shaft; the sun gear 704 is fixedly mounted on the outside of the driving shaft, and the driving shaft is fixedly connected to the output shaft of the second driving motor 8, so that the rotational motion output by the second driving motor 8 can drive the sun gear 704 to rotate, and then the sun gear 704 and the planetary gear 705 are meshed and driven, driving the planetary gear 705 to rotate while revolving around the sun gear 704; when the planetary gear 705 rotates, it can drive the inner gear ring 702 to rotate, and then drive the rotating drive disk 703 to rotate. Specifically, since the inner gear ring 702 and the sun gear 704 have opposite rotation directions, the rotating drive disk 703 has an opposite rotation direction to the rotating spline shaft 701. In other words, the positioning disk 706 and the rotating spline shaft 701 have opposite rotation directions.

[0102] During implementation, the positioning plate 706 is plugged and fixed with the arc-shaped plug-in portion 602 through the arc-shaped plug-in hole 707, and the positioning plate 706 and the main structure of the observation cup 6 rotate synchronously; the rotating spline shaft 701 and the central spline shaft 601 are connected by spline plug-in, so that the disturbance component 603 rotates synchronously with the rotating spline shaft 701.

[0103] That is, the main body of the observation cup 6 and the disturbance component 603 rotate in opposite directions. When the second driving mechanism drives the observation cup 6 to move, the rotation of the main body of the observation cup 6 causes the liquid inside the observation cup 6 to perform centrifugal rotational motion, and the liquid rotates along the inner wall surface of the observation cup 6 under the action of centrifugal force. The rotational motion of the disturbance component 603 can disturb the liquid and fibers in the observation cup 6, and promote rapid mixing of the fibers and the liquid.

[0104] In the present invention, the disturbance component 603 and the arc-shaped impact part 604 are both arc-shaped plate structures, and the two can be assembled into a semicircular component; when the disturbance component 603 rotates under the drive of the second driving mechanism, it can drive the fiber solution inside the observation cup 6 to rotate, and when the fiber solution rotates, it impacts the arc-shaped impact part 604 to disperse the fiber to be tested.

[0105] In the present invention, when the cup body rotates driven by the second driving mechanism, the liquid in the cup body moves upward along the circumferential side wall of the cup body under the action of centrifugal force, and rotates around the axis of the cup body. When the liquid in the cup body rotates, it can be guided by the arc-shaped impact part 604, so that the liquid undergoes multiple rotational motions inside the cup body.

[0106] Furthermore, the sun gear 704 is plug-connected with the central spline shaft 601 of the disturbance assembly through the rotating spline shaft 701. When the sun gear 704 rotates, it can drive the multiple disturbance components 603 to rotate. When the disturbance components 603 rotate, they can stir the liquid in the cup body, thereby quickly mixing the chopped fiber strands with the liquid. Fig.16 As shown, when the disturbance component 603 rotates to the minimum distance from the arc-shaped impact portion 604, the disturbance component 603 and the arc-shaped impact portion 604 divide the internal space of the observation cup 6 into three cavities, and the liquid can flow between the several cavities through the rectangular groove 605 of the disturbance component 603; in this embodiment, the rapid dispersion of the fibers in the water body is achieved by setting the disturbance component 603 and the arc-shaped impact portion 604.

[0107] Furthermore, in order to facilitate taking photos or videos of the state of the fiber solution in the observation cup 6, in the present invention, the sides of the disturbance component 603 and the arc-shaped impact portion 604 are painted black.

[0108] In a specific embodiment of the present invention, the fiber dispersion observation device with dual-track observation of the present invention is also provided with a heating module; the heating module is an electric heating wire integrated on the observation cup positioning assembly 7, and the observation cup positioning assembly 7 is heated by the electric heating wire, thereby being able to test the dispersion performance of the fiber in solutions of different temperatures.

[0109] Specifically, the electric heating wire is nested inside the positioning disk 706 of the observation cup positioning assembly 7, and the electric heating wire is powered by a conductive slip ring. The inner ring of the conductive slip ring is fixedly connected to the outer side of the positioning disk 706, and the outer ring of the conductive slip ring is fixedly connected to the base of the device housing 1.

[0110] Specifically, the base of the equipment housing 1 includes: a bottom plate and a middle partition; the second drive motor 8 is fixedly mounted on the bottom plate, the middle partition is arranged parallel to the bottom plate, and the upper surface of the middle partition is flush with the upper surface of the rotating spline shaft 701 and the positioning plate 706.

[0111] Specifically, the rotating spline shaft 701 is rotatably connected to the positioning plate 706 via a bearing, and the rotating spline shaft 701 is coaxially arranged inside the positioning plate 706. The positioning plate 706 is rotatably mounted on the middle partition of the device housing 1 (not shown in the figure) via a bearing.

[0112] Specifically, the positioning disk 706 is a stepped disk structure; that is, the positioning disk 706 includes a plurality of annular disks with different diameters, and the plurality of annular disks are sequentially connected from top to bottom according to the diameter.

[0113] Furthermore, the uppermost end of the positioning disk 706 is rotatably connected to the rotating spline shaft 701 through the first bearing. In addition, a first sealing ring is provided on the upper side of the first bearing for sealing, and the first sealing ring is bonded and fixed to the outer surface of the rotating spline shaft 701 or the inner ring surface of the positioning disk 706; when the rotating spline shaft 701 and the positioning disk 706 rotate relative to each other, the first sealing ring and the positioning disk 706 rotate relative to each other by friction.

[0114] Furthermore, the positioning plate 706 is rotatably connected to the middle partition via a second bearing, and a second sealing ring is provided on the upper part of the second bearing for sealing, and the second sealing ring is bonded and fixed to one of the middle partition or the positioning plate 701 .

[0115] Specifically, the conductive slip ring is disposed outside the second-stage annular disk of the positioning disk 706 .

[0116] In a specific embodiment of the present invention, the fiber dispersion observation device of the dual-track observation of the present invention is further provided with an information acquisition module and a control module.

[0117] Specifically, the information acquisition module can receive and store image information acquired by the two high-speed cameras 204 .

[0118] Specifically, the control module adopts a PID controller to control the start, stop and output rotation speed of the first group of driving mechanisms and the second group of driving mechanisms.

[0119] Compared with the prior art, the technical solution provided by this embodiment has at least one of the following beneficial effects:

[0120] 1. The fiber dispersibility observation device with dual-track observation of the present invention uses two sets of shooting mechanisms to shoot or record the state of the observation cup 6 and the fiber solution inside it, and obtains information related to the dispersibility of the chopped fiber strands in the dispersion medium (water / other solution).

[0121] 2. The fiber dispersion observation device with dual-track observation of the present invention compares the dispersion performance of different types of fibers and the same fibers of different lengths in the same dispersion medium by using the same speed and the same dispersion medium; by comparing the time it takes for different types of fibers and different lengths of fibers to reach the same dispersion level, the dispersion difficulty of different types of fibers and the dispersion difficulty of the same fibers of different lengths can be obtained, which can guide the selection of related production processes or parameter selection, thereby improving production standards and production efficiency.

[0122] 3. The fiber dispersion observation device with dual-track observation of the present invention can perform multi-angle shooting / real-time video recording of the observation cup 6 and the solution inside it in the circumferential direction and the top direction through the high-speed camera 204 of the first shooting mechanism 2 rotating around the horizontal axis and the high-speed camera 204 of the second shooting mechanism 3 rotating around the vertical axis during the process of fiber dispersion in the dispersion medium, so as to obtain three-dimensional information on the degree of fiber dispersion and changes in the dispersion process of the fiber in the solution, and then analyze the dispersion performance of the fiber in the dispersion medium.

[0123] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by any technician familiar with the technical field within the technical scope disclosed by the present invention should be covered within the protection scope of the present invention.

Claims

1. A fiber dispersion testing device with dual-track observation, characterized in that: include: A first photographing mechanism (2), a second photographing mechanism (3), an observation cup (6), a first driving mechanism and a second driving mechanism; The first photographing mechanism (2) and the second photographing mechanism (3) have the same structure and are arranged perpendicular to each other; The first photographing mechanism (2) comprises: an arc-shaped positioning rail (201), a rotating motion bracket (202), a lens mounting bracket (203) and a high-speed camera (204); the rotating motion bracket (202) can slide along the arc-shaped positioning rail (201) under the drive of the first driving mechanism; the lens mounting bracket (203) is fixedly mounted on the rotating motion bracket (202), and the high-speed camera (204) is fixedly mounted at an end thereof; the high-speed camera (204) is used to photograph the dispersed fiber solution; The observation cup (6) is arranged below the first photographing mechanism (2) and is located on the inner side of the second photographing mechanism (3); The observation cup (6) is used to store the dispersion medium and the fiber to be tested, and can be rotated under the drive of the second driving mechanism, thereby achieving dispersion of the fiber to be tested in the dispersion medium; The cup body of the observation cup (6) is made of transparent material; An arc-shaped slide groove (2012) is arranged on the outer side of the arc-shaped positioning rail (201); the rotational motion bracket (202) is mounted in the arc-shaped slide groove (2012), and an arc-shaped rack protruding from the arc-shaped positioning rail (201) is arranged on the outer side of the rotational motion bracket (202); the arc-shaped rack is driven to rotate by a first driving mechanism, and when the arc-shaped rack rotates, the rotational motion bracket (202) slides in the arc-shaped slide groove (2012); when the rotational motion bracket (202) slides in the arc-shaped slide groove (2012), the lens mounting bracket (203) drives the high-speed camera (204) to perform left-right deflection movement; The first driving mechanism comprises: a first driving motor (5) and a power distribution assembly (4); the first driving motor (5) is used to input rotational power to the power distribution assembly (4); The power distribution component (4) is capable of dividing the rotational power into two paths, thereby synchronously driving the two high-speed cameras (204) of the first shooting mechanism (2) and the second shooting mechanism (3) to move synchronously.

2. The fiber dispersion testing device with dual-track observation according to claim 1 is characterized in that: A limiting slide groove (2011) is arranged on the inner side of the arc-shaped positioning rail (201), and a strip-shaped through hole (213) is arranged between the limiting slide groove (2011) and the arc-shaped slide groove (2012); one end of the lens mounting bracket (203) is fixedly connected to the rotating motion bracket (202), and the other end passes through the strip-shaped through hole (2013) and is fixedly connected to the high-speed camera (204).

3. The fiber dispersion testing device with dual-track observation according to claim 2 is characterized in that: Two rolling pulleys (205) are also rotatably mounted on both sides of the lens mounting bracket (203); the rolling pulleys (205) are arranged on the inner side of the arc-shaped positioning rail (201) and are in rolling contact with the arc-shaped wall surface of the limiting slide groove (2011); the rolling pulleys (205) are capable of limiting the movement trajectory of the rotating motion bracket (202) when the rotating motion bracket (202) performs a rotational motion relative to the arc-shaped positioning rail (201).

4. The fiber dispersion testing device with dual-track observation according to claim 3 is characterized in that: The second driving mechanism comprises: a cup body positioning assembly (7) and a second driving motor (8); the second driving motor (8) is used to drive the cup body positioning assembly (7) to rotate; and the observation cup (6) is detachably mounted on the cup body positioning assembly (7).

5. The fiber dispersion testing device with dual-track observation according to claim 1, characterized in that: Also includes: A device housing (1); the device housing (1) is arranged to cover the outside of the first shooting mechanism (2), the second shooting mechanism (3), the first driving mechanism and the second driving mechanism; the inner wall surface of the device housing (1) is painted black.

6. The fiber dispersion testing device with dual-track observation according to claim 5, characterized in that: The first shooting mechanism (2) and the second shooting mechanism (3) are both fixedly connected to the device housing (1) via a Y-shaped bracket (9); the arc-shaped positioning rail (201) of the first shooting mechanism (2) / the second shooting mechanism (3) is clamped in the middle clamping groove of the Y-shaped bracket and is fixedly connected to the Y-shaped bracket (9).

7. The fiber dispersion testing device with dual-track observation according to claim 6 is characterized in that: A lighting device is also installed inside the device housing (1).

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