Composite material crushing device, moving body, and composite material crushing method

Abstract

To provide a composite material crushing device which enables sufficient reduction of an elongated composite material without increasing costs, and to provide a movable body and a composite material crushing method.SOLUTION: A composite material crushing device 100 is provided including: a cutting part 20 which cuts an elongated composite material 200, formed by a resin material containing a fiber base material, into small pieces; a transport part 10 which transports the small pieces 201 cut by the cutting part 20; and a crushing part 30 which crushes the small pieces 201 transported by the transport part 10.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present disclosure relates to a composite material crushing device, a moving body, and a composite material crushing method. [Background technology]

[0002] Conventionally, when dismantling long composite materials such as FRP (fiber reinforced plastic) scrapped ships, it is known to shear them with construction machinery such as a power shovel or to cut them with a wire saw cutting device (see, for example, Patent Document 1). Patent Document 1 discloses that an object to be cut, which is fixed to a main frame, is cut with a wire saw energized by a predetermined tension. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Patent No. 5720037 Summary of the Invention [Problem to be solved by the invention]

[0004] However, simply cutting the composite material at predetermined positions in the longitudinal direction with a wire saw leaves the cut composite material relatively large, and the volume of the long composite material cannot be sufficiently reduced, as in Patent Document 1. Furthermore, in order to reduce the volume of the composite material after cutting, it is necessary to transport the composite material to a crushing device or the like to further reduce the size of the composite material, which increases the cost of transporting the composite material.

[0005] The present disclosure has been made in consideration of the above circumstances, and aims to provide a composite material crushing device, a movable body, and a composite material crushing method that can sufficiently reduce the volume of long composite materials without increasing costs. [Means for solving the problem]

[0006] The composite material crushing device according to the present disclosure includes a dividing section that divides a long composite material formed from a resin material containing a fiber base material into small pieces, a conveying section that conveys the small pieces divided by the dividing section, and a crushing section that crushes the small pieces conveyed by the conveying section.

[0007] The composite cutting method according to the present disclosure includes a dividing step of dividing a long composite formed from a resin material containing a fiber base material into small pieces, a transporting step of transporting the small pieces divided by the dividing step, and a crushing step of crushing the small pieces transported by the transporting step. [Effects of the Invention]

[0008] According to the present disclosure, it is possible to provide a composite material crushing device, a movable body, and a composite material crushing method that are capable of sufficiently reducing the volume of a long composite material. [Brief explanation of the drawings]

[0009] [Figure 1] 1 is a partial cross-sectional view showing a moving body equipped with a composite material crushing device according to a first embodiment of the present disclosure, illustrating a state before cutting a composite material. [Figure 2] 1 is a partial cross-sectional view showing a moving body equipped with a composite material crushing device according to a first embodiment of the present disclosure, showing a state before crushing a composite material. [Figure 3] FIG. 2 is a plan view of the composite material crushing device shown in FIG. 1, seen from above. [Figure 4] FIG. 3 is a plan view of the composite material crushing device shown in FIG. 2, seen from above. [Figure 5] 1 is a flowchart illustrating a composite cutting method according to a first embodiment of the present disclosure. [Figure 6] FIG. 10 is a partial cross-sectional view showing a moving body equipped with a composite material crushing device according to a second embodiment of the present disclosure. [Figure 7] FIG. 7 is a plan view of the composite material crushing device shown in FIG. 6, seen from above. [Figure 8] FIG. 10 is a plan view showing a modified example of the second embodiment of the present disclosure. [Figure 9]FIG. 10 is a plan view showing a modified example of the second embodiment of the present disclosure. [Figure 10] FIG. 10 is a plan view showing a modified example of the second embodiment of the present disclosure. [Figure 11] FIG. 10 is a plan view of a destruction section of a composite material crushing device according to a first example of a third embodiment of the present disclosure, as viewed from above. [Figure 12] FIG. 10 is a plan view of a destruction section of a composite material crushing device according to a second example of the third embodiment of the present disclosure, as viewed from above. [Figure 13] 13 is a cross-sectional view taken along the line AA in FIG. 12 showing a broken portion. [Figure 14] FIG. 10 is a cross-sectional view showing a modified example of the destruction portion. [Figure 15] FIG. 10 is a plan view of a composite material crushing device according to a fourth embodiment of the present disclosure, as viewed from above. [Figure 16] FIG. 10 is a partial cross-sectional view showing a moving body equipped with a composite material crushing device according to a fifth embodiment of the present disclosure. [Figure 17] FIG. 10 is a partial cross-sectional view showing a moving body equipped with a composite material crushing device according to a sixth embodiment of the present disclosure. DETAILED DESCRIPTION OF THE INVENTION

[0010] [First embodiment] A composite material pulverization device 100 according to a first embodiment of the present disclosure will be described below with reference to the drawings. Figs. 1 and 2 are partial cross-sectional views showing a ship (mobile body) 1 equipped with a composite material pulverization device 100 according to a first embodiment of the present disclosure. Fig. 1 shows a state before a composite material 200 is cut, and Fig. 2 shows a state before the composite material 200 is pulverized. Fig. 3 is a plan view of the composite material pulverization device 100 shown in Fig. 1 as seen from above. Fig. 4 is a plan view of the composite material pulverization device 100 shown in Fig. 2 as seen from above.

[0011] The composite material crushing device 100 of this embodiment is a device that cuts a long composite material 200. The long composite material 200 is an airfoil-shaped component used in aircraft main wings or renewable energy power generation, such as wind turbines and tidal power generation devices. The composite material 200 is formed from a resin material containing a fiber substrate. The fiber substrate is a member formed by laminating multiple layers of sheets made of a reinforcing fiber material, such as carbon fiber or glass fiber. The fiber substrate may also be a prepreg that is pre-impregnated with a resin material or a prepreg that is partially impregnated with a resin material, or a combination of a prepreg and a reinforcing fiber material.

[0012] The resin material may be, for example, a thermosetting resin material such as epoxy resin, unsaturated polyester, vinyl ester, phenol, cyanate ester, or polyimide, or a thermoplastic resin such as polyether ether ketone (PEEK), polyethylene terephthalate (PET), polybutylene terephthalate (PBT), nylon 6 (PA6), nylon 66 (PA66), polyphenylene sulfide (PPS), polyetherimide (PEI), or polyether ketone ketone (PEKK).

[0013] 1, a ship 1 of this embodiment includes a composite material pulverization device 100, a housing 2 in which the composite material pulverization device 100 is installed, and an internal combustion engine (thrust generating unit) 3 that generates thrust to move the housing 2. The internal combustion engine 3 generates thrust to move the housing 2 by rotating a screw 3a.

[0014] As shown in FIG. 1, the composite material crushing device 100 includes a conveying section 10, a cutting section (dividing section) 20, a crushing section 30, a conveying guide 40, and a collecting section 50.

[0015] The conveying unit 10 is a device that conveys the composite material 200. As shown in FIG. 1, the conveying unit 10 has a plurality of rollers 11 and a belt 12 that is wound around the plurality of rollers 11. The conveying unit 10 transmits driving force from the plurality of rollers 11 to the belt 12, and conveys the composite material 200 along the conveying direction TD toward the cutting unit 20. The conveying unit 10 also conveys small pieces of the composite material 200 cut by the cutting unit 20 toward the crushing unit 30. Note that the conveying unit 10 may not be equipped with the belt 12 and may convey the composite material 200 using only the rollers 11.

[0016] The cutting unit 20 is a device that cuts (divides) the composite material 200 into small pieces (for example, pieces having a length in the width direction WD of 100 mm or less). As shown in Figures 3 and 4, the cutting unit 20 has a plurality of cutting members 21 extending along the conveying direction. The cutting members 21 are arranged at intervals along the width direction WD that is perpendicular to the conveying direction TD. The cutting members 21 are, for example, circular saws that rotate around an axis, band-shaped band saws that rotate around an axis, or wires that are wound around to rotate. A water jet cutting device or a laser cutting device may be used as the cutting unit 20.

[0017] The cutting unit 20 is fixed to the housing 2 at a predetermined position in the conveying direction TD. The composite material 200 conveyed by the conveying unit 10 in the conveying direction TD is cut by the cutting members 21 at multiple locations in the width direction WD along the conveying direction TD as it passes through the cutting unit 20 fixed at a predetermined position in the conveying direction TD. In this way, the cutting unit 20 cuts the composite material 200 with the multiple cutting members 21, thereby dividing the composite material 200 into multiple small pieces 201.

[0018] The crushing unit 30 is a device that crushes the small pieces 201 transported by the transport unit 10. As shown in Figures 1 and 2, the crushing unit 30 has a pair of gripping rollers 31 that rotate in opposite directions to each other, and a pair of crushing rollers 32 that rotate in opposite directions to each other. The pair of gripping rollers 31 rotate while gripping the small pieces 201 of the composite material 200 that are transported by the transport unit 10 via the transport guide 40, and press the small pieces 201 into the pair of crushing rollers 32.

[0019] The pair of crushing rollers 32 is a device that crushes the small pieces 201 of the composite material 200 that have been pushed in by the pair of gripping rollers 31. The pair of crushing rollers 32 has a plurality of claws (not shown) on its outer circumferential surface, and crushes the small pieces 201 of the composite material 200 by using the plurality of claws to crush them. The small pieces 201 crushed by the pair of crushing rollers 32 are crushed to a size of, for example, 50 mm square or less on average.

[0020] The conveying guide 40 is a housing that guides the pieces 201 of the composite material 200 cut by the cutting unit 20 from the conveying unit 10 to the crushing unit 30. As shown in Figures 1 and 2, the conveying guide 40 is formed in an arc-shaped cross section so as to guide the pieces 201 of the composite material 200 that are conveyed horizontally along the conveying direction TD to the recovery unit 50 that extends along the vertical direction VD. The conveying guide 40 guides the composite material 200 that is conveyed horizontally downward along the vertical direction VD.

[0021] The recovery unit 50 is disposed inside the housing 2 and is formed in a cylindrical shape along the vertical direction. The recovery unit 50 is a device that recovers small pieces 201 of the composite material 200 pulverized by the pulverizer 30.

[0022] Here, a composite material pulverizing method for pulverizing the composite material 200 using the composite material pulverizing device 100 of this embodiment will be described with reference to the drawings. Fig. 5 is a flowchart showing the composite material pulverizing method of this embodiment.

[0023] In step S101 (installation step), the composite material 200 is installed in the transport section 10 upstream of the cutting section 20 in the transport direction TD. The composite material 200 is transported to the transport section 10 in a state where it is suspended by a crane (not shown), for example, and installed in the transport section 10.

[0024] In step S102 (upstream transport step), the composite material 200 placed in the transport section 10 is transported toward the cutting section 20, upstream of the cutting section 20 in the transport direction TD.

[0025] In step S103 (cutting step), the cutting unit 20 cuts the composite material 200 into small pieces 201. The cutting unit 20 cuts the composite material 200 with the cutting member 21, thereby dividing the composite material 200 into a plurality of small pieces 201.

[0026] In step S104 (downstream conveying step), pieces 201 of composite material 200 placed in conveying section 10 are conveyed toward crushing section 30 downstream of cutting section 20 in the conveying direction TD. As shown in FIG. 4, pieces 201 conveyed by conveying section 10 are guided by conveying guide 40 and led to a pair of gripping rollers 31 of crushing section 30.

[0027] In step S105 (crushing step), the small pieces 201 of the composite material 200 transported in step S104 are crushed. The crushing unit 30 crushes the small pieces 201 of the composite material 200 pushed in by the pair of gripping rollers 31 with the pair of crushing rollers 32. The small pieces 201 crushed by the pair of crushing rollers 32 are collected in the collection unit 50.

[0028] According to the composite material crushing device 100 of the present embodiment described above, the long composite material 200 is divided into small pieces 201 by the cutting unit 20. The small pieces 201 of the composite material 200 cut by the cutting unit 20 are transported by the transport unit 10 to the crushing unit 30, and crushed by the crushing unit 30. Because the composite material 200 cut into small pieces 201 can be transported to the crushing unit 30 and crushed, the volume of the long composite material 200 can be sufficiently reduced without increasing costs.

[0029] Furthermore, in the composite material crushing device 100 of this embodiment, both the composite material 200 before being cut by the cutting unit 20 and the small pieces 201 of the composite material 200 after being cut by the cutting unit 20 are transported by the transporting unit 10. Therefore, both the process of cutting the composite material 200 placed in the transporting unit 10 into small pieces 201 by the cutting unit 20 and the process of crushing the small pieces 201 cut by the cutting unit 20 in the crushing unit 30 can be performed automatically and continuously without the intervention of an operator.

[0030] Furthermore, the composite material pulverization device 100 of this embodiment is installed on a ship 1 equipped with an internal combustion engine 3 that generates thrust for moving the casing 2. Therefore, the composite material pulverization device 100 can be moved to the location where the composite material 200 is located without transporting the long composite material 200 to be pulverized to the location where the composite material pulverization device 100 is installed. Therefore, the cost of transporting the composite material 200 to the location where the composite material pulverization device 100 is installed can be reduced.

[0031] Second Embodiment Next, a composite material pulverization device 100A according to a second embodiment of the present disclosure will be described with reference to the drawings. This embodiment is a modified example of the first embodiment, and is the same as the first embodiment except where specifically described below, and therefore the description below will be omitted.

[0032] In the composite material pulverization device 100 of the first embodiment, the cutting sections 20 cut the composite material 200 along the conveying direction TD using cutting members 21 installed at multiple locations in the width direction WD. In contrast, the composite material pulverization device 100A of the present embodiment cuts the composite material 200 along the width direction WD by moving cutting members 21A along the width direction WD.

[0033] Fig. 6 is a partial cross-sectional view showing a ship 1 equipped with a composite material crushing device 100A according to a second embodiment of the present disclosure. Fig. 7 is a plan view seen from above of the composite material crushing device 100A shown in Fig. 6. As shown in Figs. 6 and 7, the composite material crushing device 100A includes a cutting section 20A fixed to the housing 2 at a predetermined position in the conveying direction TD.

[0034] The cutting unit 20A is a device that cuts (divides) the composite material 200 into small pieces (for example, pieces with a length of 5 m or less in the conveying direction TD). As shown in FIG. 7, the cutting unit 20A has a plurality of cutting members 21A that extend along the width direction WD. The cutting members 21A are configured to move along the width direction WD. The cutting members 21A are, for example, circular saws that rotate around an axis or band-shaped band saws that rotate around an axis.

[0035] The cutting unit 20A is fixed to the housing 2 at a predetermined position in the conveyance direction TD. The composite material 200 conveyed by the conveying unit 10 in the conveyance direction TD is cut by the cutting members 21A along the width direction WD at multiple locations in the conveyance direction TD as it passes through the cutting unit 20 fixed at a predetermined position in the conveyance direction TD. In this way, the cutting unit 20A divides the composite material 200 into multiple small pieces 201 by cutting the composite material 200 at multiple locations in the conveyance direction TD with the cutting members 21A.

[0036] Since the cutting section 20A is fixed to the housing 2 at a predetermined position in the conveying direction TD, when cutting the composite material 200 with the cutting member 21A, it is desirable to temporarily stop the movement of the composite material 200 in the conveying direction TD by the conveying section 10.

[0037] Also, a moving mechanism (not shown) that moves the cutting unit 20A along the conveyance direction TD may be provided. In this case, if the cutting unit 20A is moved along the conveyance direction TD at the same speed as the composite material 200, there is no need to temporarily stop the movement of the composite material 200 in the conveyance direction TD by the conveying unit 10 when the cutting unit 20A cuts the composite material 200. In other words, the composite material 200 may be cut by the cutting unit 20A while being moved by the conveying unit 10.

[0038] Furthermore, in this embodiment, a modification may be made in which a turning mechanism 60 that turns the direction of the small pieces 201 of the composite material 200 conveyed by the conveying section 10 is provided downstream of the cutting section 20A in the conveying direction TD and upstream of the crushing section 30 in the conveying direction TD. Figures 8 to 10 are plan views showing modifications of the second embodiment of the present disclosure.

[0039] 8 to 10, a deflection mechanism 60 according to a modified example of this embodiment includes a first rotating bar 61 and a second rotating bar 62 that is disposed downstream of the first rotating bar 61 in the conveying direction TD. The first rotating bar 61 and the second rotating bar 62 are fixed to the housing 2 at predetermined positions in the conveying direction TD. The first rotating bar 61 and the second rotating bar 62 are members that are installed so as to extend horizontally above the belt 12. The directions in which the first rotating bar 61 and the second rotating bar 62 extend are fixed at a predetermined angle with respect to the conveying direction TD.

[0040] 8 to 10, in the width direction WD, the position of the tip 62a of the second rotating bar 62 is closer to the center of the width direction WD of the belt 12 than the position of the tip 61a of the first rotating bar 61. In other words, the position of the tip 62a of the second rotating bar 62 protrudes further toward the center of the width direction WD of the belt 12 than the position of the tip 61a of the first rotating bar 61.

[0041] 8 to 10 show the time-series changes in the orientation of small pieces 201 of composite material 200 being conveyed by conveying section 10 from the upstream side in conveying direction TD. As shown in Fig. 8, small pieces 201 first come into contact with tip end 61a of first rotating bar 61, rotate clockwise on belt 12, and reach the state shown in Fig. 9.

[0042] After reaching the state shown in Fig. 9, the small pieces 201 come into contact with the tip 62a of the second rotating bar 62 and rotate clockwise on the belt 12, reaching the state shown in Fig. 10. As described above, by bringing the small pieces 201 into contact with the first rotating bar 61 and the second rotating bar 62 while being transported by the transport unit 10, the orientation of the small pieces 201 with respect to the transport direction TD can be turned approximately 90 degrees.

[0043] By using the turning mechanism 60 to turn the orientation of the small pieces 201 approximately 90 degrees relative to the conveying direction TD, the length of the small pieces 201 in the width direction WD can be shortened. This ensures that the small pieces 201 are positioned in the center of the belt 12 in the width direction WD, improving the crushing efficiency in the crushing section 30. Furthermore, for example, if the area in the width direction WD that can be crushed by the crushing section 30 is predetermined, the small pieces 201 can be reliably transported to the area in the width direction WD that can be crushed by the crushing section 30.

[0044] In the above description, the first rotating bar 61 and the second rotating bar 62 are fixed at a predetermined angle with respect to the conveying direction TD, but other configurations are also possible. For example, the first rotating bar 61 and the second rotating bar 62 may be rotated counterclockwise. In this case, the angle through which the small pieces 201 can be rotated by one rotating bar can be increased. Furthermore, the number of rotating bars is not limited to two and can be any number equal to or greater than one.

[0045] Third Embodiment Next, a composite material pulverization device according to a third embodiment of the present disclosure will be described with reference to the drawings. This embodiment is a modified example of the first and second embodiments, and unless otherwise specifically described below, it is assumed to be the same as the first and second embodiments, and therefore the description below will be omitted.

[0046] The composite material crushing device of this embodiment includes a crushing section 70 that partially crushes the composite material 200 cut by the cutting section 20 before supplying it to the crushing section 30. Fig. 11 is a plan view of the crushing section 70 of the composite material crushing device according to a first example of the third embodiment of the present disclosure, viewed from above. Fig. 12 is a plan view of the crushing section 70 of the composite material crushing device according to a second example of the third embodiment of the present disclosure, viewed from above. Fig. 13 is a cross-sectional view taken along the line AA of Fig. 12, showing the crushing section 70.

[0047] The destruction units 70 shown in Figures 11 and 12 have the same structure. The destruction unit 70 shown in Figure 11 is arranged downstream of the cutting unit 20 and upstream of the crushing unit 30 of the first embodiment. The conveying unit 10 shown in Figure 11 conveys the small pieces 201 cut by the cutting unit 20 to the destruction unit 70. The conveying unit 10 shown in Figure 11 also conveys the small pieces 201 crushed by the destruction unit 70 to the crushing unit 30.

[0048] The destroying section 70 shown in Fig. 12 is disposed downstream of the cutting section 20A of the second embodiment and upstream of the crushing section 30. The conveying section 10 shown in Fig. 12 conveys the small pieces 201 cut by the cutting section 20A to the destroying section 70. The conveying section 10 shown in Fig. 12 also conveys the small pieces 201 crushed by the destroying section 70 to the crushing section 30.

[0049] 13, the destruction unit 70 is, for example, a water jet spraying device that uses a water flow to partially destroy small pieces 201 of the composite material 200. The destruction unit 70 shown in FIG. 13 includes both a first spraying unit 71 that is movable along the width direction WD and a second spraying unit 72 that is movable along the vertical direction VD. The first spraying unit 71 and the second spraying unit 72 are attached to a gate-shaped housing 73 that is arranged to cover the conveying unit 10.

[0050] The first sprayer 71 sprays a water stream W1 from above to below in the vertical direction VD at any position in the width direction WD, thereby partially destroying the small pieces 201. The first sprayer 71, for example, forms through-holes in the small pieces 201 that penetrate the small pieces 201 along the vertical direction VD.

[0051] The second jetting unit 72 partially destroys the small pieces 201 by jetting a water stream W2 along the width direction WD at any position in the width direction WD. The second jetting unit 72, for example, forms a through hole in the small piece 201 that penetrates the small piece 201 along the width direction WD. Note that the destroying unit 70 may have only either the first jetting unit 71 or the second jetting unit 72.

[0052] The destruction unit 70 of this embodiment may be a modified destruction unit 70A shown in Fig. 14. As shown in Fig. 14, the modified destruction unit 70A has an ejection unit 71A that ejects a water flow W, and an arch-shaped housing 73A that is arranged to cover the transport unit 10. The ejection unit 71A is attached to the housing 73A.

[0053] The ejection unit 71A of the destruction unit 70A of the modified example is movable along the inner circumferential surface of the housing 73A. As shown in Fig. 14, the ejection unit 71A ejects a water flow W from an arbitrary position in the width direction WD to form a through hole in the small piece 201.

[0054] In the composite material crushing method of the present embodiment, a crushing step is executed between step S103 (cutting step) and step S105 (crushing step) of the first embodiment, in which the crushing units 70, 70A crush the small pieces 201 partially. In the composite material crushing method of the present embodiment, a first conveying step is executed in which the small pieces 201 cut in step S103 (cutting step) are conveyed from the cutting units 20, 20A to the crushing units 70, 70A, and a second conveying step is executed in which the small pieces 201 partially crushed in the crushing step are conveyed from the crushing units 70, 70A to the crushing unit 30.

[0055] According to the composite material crushing device of this embodiment, the small pieces 201 cut by the cutting sections 20, 20A are partially destroyed by the destroying sections 70, 70A, thereby increasing the crushing efficiency of the small pieces 201 by the crushing section 30 and enabling the volume of the composite material 200 to be reduced more reliably.

[0056] In the above description, the destruction units 70, 70A are water jet spraying devices, but other embodiments may be used. For example, a press that destroys the small pieces 201 by applying pressure may be used as the destruction units 70, 70A. Also, a device equipped with a crusher that grabs and destroys the small pieces 201 may be used.

[0057] [Fourth embodiment] Next, a composite material pulverizer 100B according to a fourth embodiment of the present disclosure will be described with reference to the drawings. This embodiment is a modified example of the first and second embodiments, and is the same as the first and second embodiments except as otherwise specifically described below, and therefore further description will be omitted.

[0058] The composite material pulverization device 100 of the first embodiment cuts the composite material 200 into small pieces 201 by cutting the composite material 200 with the cutting section 20. In contrast, the composite material pulverization device 100B of the present embodiment splits the composite material 200 by blasting the composite material 200 with an explosive using the blasting section 80.

[0059] Fig. 15 is a plan view from above of a composite material pulverization apparatus 100B according to a fourth embodiment of the present disclosure. As shown in Fig. 15, in the composite material pulverization apparatus 100B of this embodiment, a blasting section (dividing section) 80 is arranged upstream of the conveying section 10 in the conveying direction TD. The blasting section 80 has a housing 81 that houses a composite material 200 with an explosive B placed therein.

[0060] The housing 81 is provided with an ignition mechanism (not shown) that ignites the explosive B. The blasting unit 80 divides the composite material 200 into a plurality of small pieces 201 by igniting the explosive B. The housing 81 serves to protect the composite material 200 from the impact of the ignition of the explosive B, so that it is not transmitted to the outside.

[0061] The small pieces 201 split from the composite material 200 by the blasting section 80 are transported from the blasting section 80 to the crushing section 30 by the transporting section 10. The crushing section 30 crushes the small pieces 201 transported from the transporting section 10 and supplies them to the recovery section 50. According to the composite material crushing device 100B of this embodiment, the long composite material 200 is exploded and divided by the explosive B, and small pieces that are crushed by the crushing section 30 can be obtained.

[0062] Fifth Embodiment Next, a composite material pulverization device 100C according to a fifth embodiment of the present disclosure will be described with reference to the drawings. This embodiment is a modification of the first embodiment, and is considered to be the same as the first embodiment except as otherwise specifically described below, and therefore further description will be omitted. The composite material pulverization device 100C of this embodiment includes a heating section 90 that heats the composite material 200 cut by the cutting section 20.

[0063] 16, the heating unit 90 has a housing 91 arranged to cover the conveying unit 10, and a heater 92 installed inside the housing 91. The heater 92 is a device that heats the resin material contained in the composite material 200 placed on the belt 12 of the conveying unit 10 to a softening point or higher. The heater 92 softens the resin material by heating the resin material contained in the composite material 200 to a softening point or higher.

[0064] The heater 92 can generate heat using electricity, but other embodiments are also possible. For example, exhaust heat may be recovered from the internal combustion engine 3 and used as the heat source for the heater 92. Alternatively, an incinerator may be provided to incinerate the fragments of the composite material 200 recovered by the recovery unit 50, and the heat generated in the incinerator may be recovered and used as the heat source for the heater 92. Alternatively, any other heat source may be used as the heat source for the heater 92.

[0065] According to the composite material crushing device 100C of this embodiment, the composite material 200, which has been heated by the heating section 90 and whose resin material has been softened, is cut by the cutting section 20, thereby reducing the load required for the cutting section 20 to cut the composite material 200 and enabling the composite material 200 to be reliably cut into small pieces 201.

[0066] Sixth Embodiment Next, a composite material pulverization device 100D according to a sixth embodiment of the present disclosure will be described with reference to the drawings. This embodiment is a modified example of the first embodiment, and is the same as the first embodiment except where specifically described below, and therefore the description below will be omitted.

[0067] In the composite material pulverizing device 100 of the first embodiment, small pieces 201 of the composite material 200 are guided downward in the vertical direction VD by the conveying guide 40, and the small pieces 201 are pulverized by the pulverizing section 30 installed above the recovery section 50. In contrast, in the composite material pulverizing device 100D of the present embodiment, the pulverizing section 30D is arranged on an extension of the conveying direction TD of the conveying section 10.

[0068] As shown in Fig. 17, the composite material pulverization device 100D of this embodiment includes a pulverization unit 30D. The pulverization unit 30D is a device that pulverizes small pieces 201 transported by the transport unit 10. The pulverization unit 30D has a pair of gripping rollers 31D that rotate in opposite directions to each other, and a pair of crushing rollers 32D that also rotate in opposite directions to each other. The pair of gripping rollers 31D rotate while gripping small pieces 201 of the composite material 200 transported by the transport unit 10, and press the small pieces 201 into the pair of crushing rollers 32D.

[0069] The pair of crushing rollers 32D is a device that crushes the small pieces 201 of the composite material 200 that have been pushed in by the pair of gripping rollers 31D. The pair of crushing rollers 32D has a plurality of claws (not shown) on its outer circumferential surface, and crushes the small pieces 201 of the composite material 200 by the plurality of claws. The small pieces 201 of the composite material 200 crushed by the crushing unit 30D are collected in the collecting unit 50D.

[0070] According to the composite material crushing device 100D of this embodiment, the crushing section 30D is positioned on an extension of the conveying direction TD of the conveying section 10, so that the small pieces 201 of the composite material 200 can be transported to the crushing section 30D without changing the conveying direction TD by the conveying section 10, and crushed by the crushing section 30D.

[0071] The composite material crushing device according to the present embodiment described above can be understood, for example, as follows. The composite material crushing device (100) according to the present disclosure includes a dividing section (20) that divides a long composite material (200) formed from a resin material containing a fiber base material into small pieces, a conveying section (10) that conveys the small pieces divided by the dividing section, and a crushing section (30) that crushes the small pieces conveyed by the conveying section.

[0072] According to the composite material crushing device of the present disclosure, a long composite material is divided into small pieces by a dividing unit. The small pieces of composite material divided by the dividing unit are transported by a conveying unit to a crushing unit and crushed by the crushing unit. Because the composite material divided into small pieces can be transported to the crushing unit and crushed, the volume of the long composite material can be sufficiently reduced without increasing costs.

[0073] In the composite material crushing device according to the present disclosure, the dividing section may be configured to divide the composite material by cutting the composite material with a cutting member (21). According to the composite material crushing device of this configuration, the long composite material can be divided by the cutting member into small pieces that can be crushed by the crushing section.

[0074] In the composite material crushing device according to the present disclosure, the dividing section may be configured to divide the composite material by blasting the composite material with an explosive. According to the composite material crushing device of this configuration, the long composite material can be exploded and divided by the explosive, and small pieces can be obtained that are crushed by the crushing section.

[0075] The composite material crushing device according to the present disclosure may include a destruction section (70) that is positioned downstream of the dividing section in the conveying direction and that partially destroys the small pieces divided by the dividing section, and the conveying section may be configured to transport the small pieces divided by the dividing section to the destruction section and to transport the small pieces destroyed by the destruction section to the crushing section. According to the composite material crushing device of this configuration, the small pieces divided by the dividing section are partially destroyed by the destroying section, thereby increasing the efficiency of crushing the small pieces by the crushing section and more reliably reducing the volume of the composite material.

[0076] The composite material crushing device according to the present disclosure may be configured to include a heating section (90) that heats the composite material divided by the dividing section to soften the resin material. According to the composite material crushing device of this configuration, the composite material is heated by the heating unit and the resin material is softened, and then the dividing unit divides the composite material. This reduces the load required for the dividing unit to divide the composite material, and ensures that the composite material is divided into small pieces.

[0077] The moving body described in the present embodiment as described above can be understood, for example, as follows. The moving body (1) according to the present disclosure comprises any of the composite material crushing devices described above, a housing (2) in which the composite material crushing device is installed, and a thrust generating unit (3) that generates thrust to move the housing. According to the mobile body of the present disclosure, the composite material crushing device can be moved to the location where the composite material is located without transporting the long composite material to be crushed to the location where the composite material crushing device is installed, thereby reducing the cost of transporting the composite material to the location where the composite material crushing device is installed.

[0078] The composite material crushing method according to the present embodiment described above can be understood, for example, as follows. The composite material crushing method according to the present disclosure includes a dividing step (S103) of dividing a long composite material formed from a resin material containing a fiber base material into small pieces, a transporting step (S104) of transporting the small pieces divided by the dividing step, and a crushing step (S105) of crushing the small pieces transported by the transporting step.

[0079] According to the composite material crushing method of the present disclosure, a long composite material is divided into small pieces by a dividing section. The small pieces of the composite material divided in the dividing step are transported to a crushing section in a conveying step and crushed in a crushing step. Because the composite material divided into small pieces can be crushed in the crushing step, the volume of the long composite material can be sufficiently reduced without increasing costs.

[0080] In the composite material crushing method according to the present disclosure, the dividing step may be configured to divide the composite material by cutting the composite material with a cutting member (21). According to the composite material crushing method of this configuration, the long composite material can be divided by the cutting member into small pieces that can be crushed in the crushing step.

[0081] In the composite material crushing method according to the present disclosure, the dividing step may be configured to divide the composite material by blasting the composite material with an explosive. According to the composite material crushing method of this configuration, the long composite material can be exploded and divided by an explosive into small pieces that can be crushed in the crushing step.

[0082] The composite material crushing method according to the present disclosure may include a destruction step for partially destroying the small pieces divided by the division step, and the transport step may include a first transport step for transporting the small pieces divided by the division step, and a second transport step for transporting the small pieces destroyed by the destruction step. According to the composite material crushing method of this configuration, the small pieces divided in the dividing step are partially destroyed in the breaking step, thereby increasing the crushing efficiency of the small pieces in the crushing step and more reliably reducing the volume of the composite material.

[0083] The composite material pulverization method according to the present disclosure may further include a heating step of heating the composite material divided in the dividing step to soften the resin material. According to the composite material crushing method of this configuration, the composite material is heated in the heating step and the resin material is softened, and then the composite material is divided in the dividing step. This reduces the load required to divide the composite material in the dividing step, and ensures that the composite material is divided into small pieces. [Explanation of symbols]

[0084] 1 Ship (mobile object) 2. Case 3 Internal combustion engine (thrust generating part) 10 Conveying section 11 Laura 12 Belt 20,20A cutting section (splitting section) 21, 21A Cutting member 30,30D Crushing section 31, 31D Grip roller 32,32D Crushing roller 40 Transport guide 50,50D Recovery section 60 Turning Mechanism 61 First Rotating Bar 62 Second Rotating Bar 70,70A Destruction section 80 Explosive part (split part) 81 Case 90 Heating section 100, 100A, 100B, 100C, 100D Composite Crushing Equipment 200 Composites 201 Small piece B explosives TD transport direction VD vertical direction W,W1,W2 Water flow WD Width direction

Claims

1. A composite material comminution device, comprising: a dividing unit that divides a long composite material formed from a resin material containing a fiber base material into small pieces; a conveying unit that conveys the composite material and the small pieces divided by the dividing unit in a conveying direction relative to a housing in which the composite material crushing device is installed; a crushing unit that crushes the small pieces transported by the transporting unit; a moving unit that moves the dividing unit along the transport direction relative to the housing, The dividing unit divides the composite material by moving the dividing unit in the conveying direction while the conveying unit conveys the composite material in the conveying direction.

2. 2. The composite material crushing device according to claim 1, wherein the dividing section divides the composite material by cutting the composite material with a cutting member.

3. 3. The composite material crushing device according to claim 2, wherein the dividing section has the cutting member that moves along a width direction perpendicular to the conveying direction.

4. 2. The composite material crushing device according to claim 1, further comprising a turning mechanism that turns the direction of the small pieces of the composite material being transported by the transport section downstream of the dividing section in the transport direction and upstream of the crushing section in the transport direction.

5. 2. The composite material crushing device according to claim 1, wherein the dividing section divides the composite material by blasting the composite material with an explosive.

6. a destroying section that is disposed downstream of the dividing section in the conveyance direction of the composite material and that partially destroys the small pieces divided by the dividing section, 6. A composite material crushing device according to claim 1, wherein the conveying section conveys the small pieces divided by the dividing section to the destroying section and also conveys the small pieces destroyed by the destroying section to the crushing section.

7. The composite material crushing device according to claim 1 , further comprising a heating section that heats the composite material divided by the dividing section to soften the resin material.

8. The composite material crushing device according to any one of claims 1 to 7, a housing in which the composite material crushing device is installed; a thrust generating unit that generates a thrust that moves the housing.

9. A composite material crushing method for crushing a composite material using a composite material crushing device, comprising: The composite material crushing device includes: a dividing unit that divides a long composite material formed from a resin material containing a fiber base material into small pieces; a crushing unit that crushes the small pieces, a dividing step of dividing the composite material into small pieces by the dividing unit; a conveying step of conveying the composite material and the small pieces divided by the dividing step in a conveying direction relative to a housing in which the composite material crushing device is installed; a crushing step of crushing the small pieces transported in the transporting step by the crushing unit; a moving step of moving the dividing unit along the transport direction relative to the housing, The dividing step divides the composite material while conveying the composite material in the conveying direction in the conveying step and moving the dividing unit in the conveying direction in the moving step.

10. 10. The composite material crushing method according to claim 9, wherein the dividing step divides the composite material by cutting the composite material with a cutting member.

11. 11. The composite material crushing method according to claim 10, wherein the dividing step divides the composite material by the cutting member that moves along a width direction perpendicular to the conveying direction.

12. 10. The composite material crushing method according to claim 9, further comprising a turning step of turning the orientation of the small pieces of the composite material being transported in the transport step downstream of the dividing section in the transport direction and upstream of the crushing section in the transport direction.

13. 10. The composite material pulverization method according to claim 9, wherein the dividing step divides the composite material by blasting the composite material with an explosive.

14. a breaking step of partially breaking the small pieces divided by the dividing step, 14. The composite material crushing method according to claim 9, wherein the conveying step includes a first conveying step of conveying the small pieces divided by the dividing step, and a second conveying step of conveying the small pieces broken by the breaking step.

15. 14. The composite material crushing method according to claim 9, further comprising a heating step of heating the composite material divided in the dividing step to soften the resin material.

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