Oscillator shaking table for recycling PMMA (polymethyl methacrylate)-based composite material

Abstract

The utility model provides an oscillator shaking table for PMMA (polymethyl methacrylate)-based composite material recovery, which comprises a vibrator body and a shaking table body arranged in the vibrator body, a bushing is arranged in the shaking table body, and a fixing component for fixing the PMMA-based composite material is arranged on the bushing. According to the utility model, the fixing assembly for fixing the PMMA-based composite material is arranged on the bushing plate, so that the fixing assembly can fix the PMMA-based composite material in real time in the process that the volume of the PMMA-based composite material is gradually reduced along with the dissolving and recycling process, the reinforced phase of the PMMA-based composite material can keep the original appearance to the greatest extent, and the recycling efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of material separation technology, and in particular to a shaking table. Background Technology

[0002] Polymethyl methacrylate (PMMA)-based composites consist of a PMMA matrix phase and a reinforcing phase. The reinforcing phase includes, but is not limited to, glass fibers, carbon fibers, basalt fibers, and aramid fibers. PMMA-based composites are a novel type of thermoplastic recyclable resin-based composite material with excellent mechanical and processability properties. They can be recycled using a solvent dissolution method. The selected solvent is the monomer MMA used in PMMA polymerization, containing no other solvents; therefore, the recovered liquid can be directly used to regenerate PMMA composites. The recovered reinforcing phase can also be reused. However, there is a lack of commercially available equipment for the effective recycling of PMMA-based composites.

[0003] Chinese utility model patent CN212632990U, published on March 2, 2021, discloses a fine particle beneficiation shaking table, belonging to the field of ore mining technology. It includes a shaking table support, a filter screen, and fixing buckles. The filter screen is located at the upper end of the shaking table support and is fixedly connected to it. The fixing buckles are located at both ends of the filter screen and are also fixedly connected to the shaking table support. A guide tube is provided on the left side of the shaking table support, and its left and right ends are respectively connected to the shaking table support and an automatic water supply device. A water tank is located at the bottom of the automatic water supply device and is interconnected with it. A shock-absorbing spring is provided at the upper end of the shaking table support. This fine particle beneficiation shaking table, through structural improvements, can achieve higher processing quality in actual use, more effectively adapting the ore to different particle sizes upon entering the shaking table, thereby improving the recovery rate. However, this patented shaking table is not suitable for the recovery of PMMA-based composite materials. Summary of the Invention

[0004] To address the aforementioned technical problems, this utility model proposes a shaker for the recycling of PMMA-based composite materials, thereby solving the problem of the lack of effective recycling of PMMA-based composite materials in the prior art.

[0005] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0006] A shaker for recycling PMMA-based composite materials includes a vibrator body and a shaking bed disposed within the vibrator body. A perforated plate is provided within the shaking bed, and a fixing component for securing the PMMA-based composite material is provided on the perforated plate. This invention, by providing a fixing component on the perforated plate for securing the PMMA-based composite material, allows the fixing component to continuously fix the PMMA-based composite material as its volume gradually decreases during the dissolution and recycling process. This ensures that the reinforcing phase of the PMMA-based composite material retains its original shape to the greatest extent possible, thereby improving recycling efficiency.

[0007] Furthermore, the fixing assembly includes a spring rope for pressing down the PMMA-based composite material, with both ends of the spring rope connected to the sprue plate.

[0008] Furthermore, the spring rope is provided in multiple strands, which are arranged side by side or cross each other.

[0009] Furthermore, the spring rope includes horizontal spring ropes and vertical spring ropes, which are arranged in a cross shape.

[0010] Furthermore, both ends of the spring rope are detachably connected to the sprue plate.

[0011] Furthermore, the perforated plate is provided with hanging holes or connecting blocks with hanging holes around its perimeter, and the two ends of the spring rope are connected to the hanging holes or hanging holes.

[0012] Furthermore, the leak plate is evenly distributed with multiple leak holes.

[0013] Furthermore, the bottom of the rocking bed is provided with a raised platform for supporting the sluice plate.

[0014] Furthermore, the raised platform is arranged around the bottom of the rocking bed, and the height of the raised platform does not exceed one-fifth of the height of the rocking bed, and the width does not exceed one-tenth of the bottom of the rocking bed.

[0015] Furthermore, the oscillator body is equipped with connected control instruments, indicator lights, and switches.

[0016] The beneficial effects of this utility model are:

[0017] 1. This utility model uses spring ropes to dynamically fix the reinforcing phase fibers in the composite material in real time, making them less likely to scatter and maintaining their original orientation;

[0018] 2. This utility model has raised platforms around the bottom of the shaking bed, which are used to raise the slurry plate and ensure that there is sufficient solvent at the bottom of the shaking bed, so as to dissolve and recycle PMMA-based composite materials.

[0019] 3. The strainer plate of this utility model is covered with evenly distributed small holes, which allows the recovered liquid to flow freely;

[0020] 4. The upper surface of the sprue of this utility model has hanging holes around the perimeter, which can be hooked onto the spring rope to fix the PMMA-based composite material. The spring rope is detachably connected to the hanging holes, which allows the PMMA-based composite material to be placed first and then the spring rope to be connected, making it more convenient to fix the PMMA-based composite material. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the structure of this utility model.

[0023] Figure 2 This is a schematic diagram of the structure of the rocking bed of this utility model.

[0024] Figure 3 This is a schematic diagram of the structure of the sluice plate of this utility model.

[0025] Labels in the attached diagram:

[0026] 1. Vibrator body; 2. Shaking bed; 3. Slot plate; 11. Control instrument; 12. Indicator light; 13. Switch; 21. Elevation platform; 31. Slot hole; 32. Hanging hole; 33. Spring rope. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] like Figure 1 As shown in Embodiment 1 of this utility model, a shaker-like table for recycling PMMA-based composite materials includes a vibrator body 1 and a shaking table 2 disposed within the vibrator body 1. The vibrator body 1 employs a prior art vibrator and includes a vibration mechanism and a heating device. Figure 2As shown, the shaking bed 2 can contain liquid and is mounted on the oscillation mechanism of the shaker body 1 so that the material inside the shaking bed 2 can be oscillated by the oscillation mechanism. A strainer plate 3 is provided inside the shaking bed 2, and the strainer plate 3 has leakage holes 31 to allow the recovered liquid to flow. There is a gap between the strainer plate 3 and the bottom of the shaking bed 2, ensuring that the bottom of the shaking bed 2 has sufficient solvent liquid during use. The strainer plate 3 is equipped with a fixing component for fixing the PMMA-based composite material. As the volume of the PMMA-based composite material gradually decreases during the dissolution and recovery process, the fixing component can fix the PMMA-based composite material in real time, allowing the reinforcing phase of the PMMA-based composite material to maintain its original shape to the greatest extent possible.

[0029] Furthermore, such as Figure 3 As shown, the fixing assembly includes a spring rope 33 for pressing down on the PMMA-based composite material. Both ends of the spring rope 33 are connected to the stencil plate 3 so that the spring rope 33 can press down on the stencil plate 3, and an object can also be fixed between the spring rope 33 and the stencil plate 3. The elastic spring rope 33 can dynamically fix the reinforcing phase fibers in the composite material in real time, preventing them from easily spreading out and maintaining their original orientation, thus improving recycling efficiency.

[0030] Example 2 differs from Example 1 in that, as Figure 3 As shown, there are multiple spring ropes 33, which are arranged side by side or cross each other.

[0031] Specifically, the spring ropes 33 include horizontal spring ropes and vertical spring ropes, which are arranged in a cross shape. The horizontal spring ropes consist of multiple spring ropes 33 arranged along the length of the perforated plate 3, and these multiple spring ropes 33 are arranged side-by-side with intervals. The vertical spring ropes consist of multiple spring ropes 33 arranged along the width of the perforated plate 3, and these multiple spring ropes 33 are arranged side-by-side with intervals, thus creating a cross shape between the horizontal and vertical spring ropes.

[0032] Example 3 differs from Example 2 in that, as Figure 3 As shown, the two ends of the spring rope 33 are detachably connected to the sprue plate 3.

[0033] Specifically, the perforated plate 3 is provided with hanging holes or connecting blocks with hanging holes 32 around its perimeter, and the two ends of the spring rope 33 are connected to the hanging holes or hanging holes 32. In this embodiment, the perforated plate 3 is provided with multiple connecting blocks around its perimeter, and each connecting block is provided with a hanging hole 32, so that the spring rope 33 can be hooked in the hanging hole 32.

[0034] Furthermore, the drain plate 3 is evenly distributed with multiple rows of drain holes 31, allowing the recovered liquid to flow freely.

[0035] Example 4 differs from Example 2 in that, as Figure 2 As shown, the bottom of the shaking bed 2 is provided with a raised platform 21 for supporting the slurry plate 3, so that the slurry plate 3 is raised and there is solvent at the bottom of the shaking bed 2, so that the PMMA-based composite material can be dissolved and recycled more fully.

[0036] Furthermore, the raised platform 21 is arranged around the bottom of the rocking bed 2, and the height of the raised platform 21 does not exceed one-fifth of the height of the rocking bed 2, and the width does not exceed one-tenth of the bottom of the rocking bed 2.

[0037] Example 5 differs from Example 1 in that, as Figure 1 As shown, the oscillator body 1 is equipped with a control instrument 11, an indicator light 12, and a switch 13 connected to each other.

[0038] The usage process of this utility model is as follows:

[0039] Before dissolving the PMMA-based composite material, there is no recovery liquid in the shaking bed 2, and no hanging spring ropes are connected to the auger plate 3. The PMMA-based composite material is placed on the auger plate, and then spring ropes 33 of appropriate tension and number are hooked onto the hanging holes 31 to fix the PMMA-based composite material to the auger plate. Methyl methacrylate (MMA) recovery liquid is poured into the shaking bed 2. Switch 13 is turned on, indicator light 12 illuminates, and then the oscillation parameters (temperature, oscillation mode, oscillation speed, time) are set via control instrument 11. After setting, the motor rotates, driving the oscillation mechanism to oscillate the shaking bed. The heating device heats the oscillator shaking bed. After a period of oscillation and dissolution, the PMMA-based composite material achieves complete separation. The PMMA dissolves in the recovery liquid, and during this process, the reinforcing phase fibers are fixed to the auger plate by the spring ropes in the maximally directed direction.

[0040] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any modifications to the technical solutions described in the foregoing embodiments, or equivalent substitutions of some or all of the technical features thereof, within the spirit and principles of the present invention, do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention, and should all be included within the protection scope of the present invention.

Claims

1. A shaker for recycling PMMA-based composite materials, characterized in that, It includes an oscillator body (1) and a shaking bed (2) disposed inside the oscillator body (1). The shaking bed (2) is provided with a stencil (3) and a fixing component for fixing PMMA-based composite material is provided on the stencil (3).

2. The shaker for recycling PMMA-based composite materials according to claim 1, characterized in that, The fixing assembly includes a spring rope (33) for pressing down the PMMA-based composite material, with both ends of the spring rope (33) connected to the sprue plate (3).

3. The shaker for recycling PMMA-based composite materials according to claim 2, characterized in that, The spring rope (33) is provided in multiple places, and the multiple spring ropes (33) are arranged side by side or cross each other.

4. The shaker for recycling PMMA-based composite materials according to claim 3, characterized in that, The spring rope (33) includes horizontal spring ropes and vertical spring ropes, which are arranged in a cross shape.

5. The shaker for recycling PMMA-based composite materials according to any one of claims 2 to 4, characterized in that, The two ends of the spring rope (33) can be detachably connected to the sprue plate (3).

6. The shaker for recycling PMMA-based composite materials according to claim 5, characterized in that, The perforated plate (3) is provided with hanging holes or connecting blocks with hanging holes (32) around its perimeter, and the two ends of the spring rope (33) are connected to the hanging holes or hanging holes (32).

7. The shaker for recycling PMMA-based composite materials according to any one of claims 1 to 4 or 6, characterized in that, The leak plate (3) has multiple leak holes (31) evenly distributed on it.

8. The shaker for recycling PMMA-based composite materials according to any one of claims 1 to 4 or 6, characterized in that, The bottom of the rocking bed (2) is provided with a raised platform (21) for supporting the sluice plate (3).

9. The shaker for recycling PMMA-based composite materials according to claim 8, characterized in that, The raised platform (21) is set around the bottom of the rocking bed (2). The height of the raised platform (21) does not exceed one-fifth of the height of the rocking bed (2), and the width does not exceed one-tenth of the bottom of the rocking bed (2).

10. The shaker for recycling PMMA-based composite materials according to any one of claims 1 to 4, 6, or 9, characterized in that, The oscillator body (1) is equipped with a control instrument (11), an indicator light (12), and a switch (13) connected to it.

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