Para-aramid resin crushing device

Abstract

The utility model discloses a para-aramid resin crushing device, which comprises a machine body, and further comprises a feeding hole, a discharging hole and a crushing device, the first crushing roller is fixedly and rotatably arranged in the feeding opening and rotates clockwise; the second crushing roller is fixedly and rotatably arranged in the feeding hole, is positioned on the right side of the first crushing roller and rotates anticlockwise; a plurality of crushing teeth which are uniformly and circumferentially distributed at intervals are fixedly arranged on the circumferential outer surfaces of the first crushing roller and the second crushing roller; through the arrangement of the first crushing roller, the second crushing roller and the crushing teeth, materials can be pre-crushed through the first crushing roller, the second crushing roller and the crushing teeth after entering the feeding opening, large-particle materials are prevented from being blocked, meanwhile, the effect of dredging the feeding opening is achieved, and the materials can be continuously wound into the machine body; and the speed of feeding into the machine body can be adjusted by adjusting the rotating speed, so that feeding is uniform.

Description

Technical Field

[0001] The utility model belongs to the technical field of para-aramid production, in particular to a para-aramid resin crushing device. Background Art

[0002] Para-aramid, short for poly (p-phenylenediamine terephthalamide), is considered one of the world's three highest-performance fibers, along with carbon fiber and ultra-high molecular weight polyethylene fiber. Para-aramid exhibits exceptional properties, including high strength and modulus, high-temperature resistance, chemical resistance, abrasion resistance, flame retardancy, and dimensional stability. Its strength is six times that of ordinary steel wire, and its modulus is two to three times that of steel and glass fiber. It has significant applications in aerospace, defense, optical fiber and cable, friction seals, electronics, and composite materials, making it a valuable dual-use material for both military and civilian applications.

[0003] For example, the para-aramid fiber washing and crushing device disclosed in utility model authorization publication number CN217431872U utilizes an integrated design for stirring, grinding, and extraction, thereby completing material circulation while reducing production costs and improving production efficiency. However, to prevent material blockage during feeding, the device relies solely on a rotating rake for unblocking. Because the rake lacks pre-crushing capabilities, larger particles can easily become stuck, making it inconvenient. Summary of the Invention

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: a para-aramid resin crushing device, comprising an organic body and further comprising:

[0005] A feed inlet, the machine body is provided with a feed inlet for introducing materials;

[0006] The first crushing roller is fixed and rotatably arranged in the feed port and rotates clockwise;

[0007] The second crushing roller is fixedly rotatably arranged in the feed port and is located to the right of the first crushing roller, and rotates counterclockwise;

[0008] Crushing teeth: the outer circumferential surfaces of the first crushing roller and the second crushing roller are both fixedly provided with a plurality of crushing teeth evenly spaced circumferentially;

[0009] A transmission assembly is provided on the machine body and is used to drive the first crushing roller and the second crushing roller to rotate;

[0010] A feeding assembly is provided on the machine body and is used to uniformly introduce materials toward the feeding port;

[0011] The crushing teeth of the first crushing roller and the crushing teeth of the second crushing roller are staggered in the Y direction, and the crushing teeth on the right side of the first crushing roller and the crushing teeth on the left side of the second crushing roller are overlapped in the X direction.

[0012] Furthermore, the crushing teeth are distributed in an involute shape on the first crushing roller and the second crushing roller, the crushing teeth of the first crushing roller are bent toward the rotation direction of the first crushing roller, and the crushing teeth of the second crushing roller are bent toward the rotation direction of the second crushing roller.

[0013] Furthermore, the transmission assembly includes:

[0014] A first motor, which is fixedly arranged outside the machine body;

[0015] a first gear fixedly disposed at an output end of the first motor;

[0016] Among them, one end of the first crushing roller and the second crushing roller is extended outward from the outside of the machine body, and the second gear and the third gear are fixedly provided on the one end of the first crushing roller and the second crushing roller extended outward from the machine body respectively. The first gear is meshed with the third gear, and the third gear is meshed with the second gear.

[0017] Furthermore, the feed assembly includes:

[0018] A feed box, which is fixedly arranged at the upper end of the feed port;

[0019] There are two transmission rollers, which are fixed and rotatably arranged in the feed box;

[0020] A conveyor belt is mounted on two conveyor rollers, and the two conveyor rollers are used to drive the conveyor belt to move;

[0021] A power assembly, used for driving the transmission roller to rotate;

[0022] Among them, a feed trough is opened at the upper end of the feed box, and a discharge trough is opened at the lower end of the feed box. The discharge trough is connected to the inside of the feed port. The feed trough is located above the conveyor belt, and the conveyor belt moves toward the discharge trough.

[0023] Furthermore, it also includes:

[0024] Partition plates: a plurality of partition plates are fixedly provided on the outside of the conveyor belt at intervals, and a partition groove is formed between every two partition plates;

[0025] The height of the partition plate is equal to the distance between the upper surface of the conveyor belt and the upper side surface inside the feed box.

[0026] Furthermore, the position of the feed trough corresponds to the middle position of the conveyor belt.

[0027] Furthermore, it also includes:

[0028] The feed hopper is funnel-shaped and fixedly arranged at the upper end of the feed box;

[0029] Wherein, the interior of the feed hopper is connected to the feed trough.

[0030] Furthermore, the power assembly includes:

[0031] a second motor fixedly mounted on the outer surface of the feed box;

[0032] One end of one of the transmission rollers extends out from the outer surface of the feed box, and the output shaft of the second motor is fixedly connected to one end of one of the transmission rollers.

[0033] The beneficial effects of the present invention are:

[0034] 1. By setting the first crushing roller, the second crushing roller and the crushing teeth, the material can be pre-crushed by the first crushing roller, the second crushing roller and the crushing teeth after entering the feed port, preventing large particles from blocking the material. At the same time, it plays the role of unblocking the feed port, and the material can be continuously drawn into the machine body. The speed of feeding into the machine body can be adjusted to make the feeding uniform.

[0035] 2. Since the crushing teeth are bent in the shape of an involute, and the bending directions of the crushing teeth of the first crushing roller and the crushing teeth of the second crushing roller are opposite, when the first crushing roller and the second crushing roller rotate, the curved crushing teeth of the first crushing roller and the second crushing roller form an interlocking structure, thereby scraping the material above and rolling it into the space between the first crushing roller and the second crushing roller through the curved shape, making the feeding smoother and the pre-crushing effect better.

[0036] 3. By setting up the first motor, the first gear, the second gear and the third gear, the first crushing roller and the second crushing roller can be rotated by starting the first motor. The gear transmission setting also makes it possible to achieve a higher speed and torque, so that the first crushing roller and the second crushing roller can be crushed efficiently, and at the same time ensure that the first crushing roller and the second crushing roller run synchronously, so that the material is evenly stressed during the crushing process, thereby improving the crushing effect. At the same time, when the first crushing roller and the second crushing roller play a dredging role, the feeding speed of the first crushing roller and the second crushing roller can be adjusted by adjusting the speed of the first motor, so that the material is fed into the machine body evenly.

[0037] 4. By setting up the feed box, transmission roller and transmission belt, even if a large amount of material is poured into the feed trough, only the material stacked to match the height of the feed channel can be transported by the transmission belt, and the excess material can only be left in the feed trough, avoiding a large amount of material entering at one time and causing the feed port to be blocked, so that the material can enter the feed port evenly from the discharge trough.

[0038] 5. By setting up the partition plate, a pushing effect is formed on the material at the feed trough, which facilitates the dredging of the material at the feed trough. At the same time, after the material falls on the conveyor belt, it will enter the partition trough formed between the two partition plates and move toward the discharge trough as the two partition plates move. At the same time, the part of the material higher than the partition plate will be scraped off by the feed trough as the conveyor belt moves, and scraped into the next partition trough, so that several partition troughs can be fed in sequence at a uniform speed, making the feeding uniform.

[0039] 6. Since the position of the feed chute corresponds to the middle position of the conveyor belt, the position where the material falls each time can be guaranteed to be in the partition groove. The partition plate moves along the trajectory of the conveyor belt, so that in the arc section of the conveyor belt, the two intervals will not form a partition groove, and the middle position of the conveyor belt is a flat section, so that the position where the material falls each time can be guaranteed to be in the formed partition groove.

[0040] 7. By setting up a feed hopper, feeding is made more convenient and the material is not easily spilled out. The material can be introduced into the feed trough of the feed box. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Attachment Figure 1 This is a structural diagram of the utility model;

[0042] Attachment Figure 2 For attachment Figure 1 A is an enlarged schematic diagram;

[0043] Attachment Figure 3 This is a structural diagram of the first crushing roller and the second crushing roller;

[0044] Attachment Figure 4 For attachment Figure 3 A top view of

[0045] Attachment Figure 5 It is a cross-sectional view of the feed box;

[0046] Attachment Figure 6 This is a structural diagram of the upper end of the feed box;

[0047] Explanation of the accompanying drawings: 1. Machine body, 2. Feed port, 3. First crushing roller, 4. Second crushing roller, 5. Crushing teeth, 6. First motor, 7. First gear, 8. Second gear, 9. Third gear, 10. Feed box, 11. Conveyor roller, 12. Conveyor belt, 13. Feed trough, 14. Discharge trough, 15. Partition plate, 16. Partition trough, 17. Feed hopper, 18. Second motor. DETAILED DESCRIPTION

[0048] The following will clearly describe the technical solutions in the embodiments of this application in conjunction with the accompanying drawings. It should be noted that the described embodiments are only some of the embodiments of this application, not all of the embodiments. Based on the embodiments of this application, all other embodiments that can be obtained by a person of ordinary skill in the art without inventive effort are within the scope of protection of this application. It should be noted that the terms used in this description are intended solely to describe specific embodiments and are not intended to limit the exemplary embodiments of this application. For ease of description, the dimensions of the various parts shown in the accompanying drawings are not drawn to scale. Technologies, methods, and devices known to a person of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such technologies, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely illustrative and not limiting. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following figures. Therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures. Example 1

[0049] This embodiment provides a para-aramid resin crushing device, comprising an organic body 1, and further comprising:

[0050] Feed inlet 2: the machine body 1 is provided with a feed inlet 2 for introducing materials;

[0051] The first crushing roller 3 is fixed and rotatably arranged in the feed port 2 and rotates clockwise;

[0052] The second crushing roller 4 is fixedly rotatably arranged in the feed port 2 and is located to the right of the first crushing roller, and rotates counterclockwise;

[0053] Crushing teeth 5: the outer circumferential surfaces of the first crushing roller 3 and the second crushing roller 4 are both fixedly provided with a plurality of crushing teeth 5 evenly spaced circumferentially;

[0054] A transmission assembly is provided on the machine body 1 and is used to drive the first crushing roller 3 and the second crushing roller 4 to rotate;

[0055] A feeding assembly is provided on the machine body 1 and is used to uniformly introduce materials toward the feeding port 2;

[0056] The crushing teeth 5 of the first crushing roller 3 and the crushing teeth 5 of the second crushing roller 4 are staggered in the Y direction, and the crushing teeth 5 on the right side of the first crushing roller 3 and the crushing teeth 5 on the left side of the second crushing roller 4 are overlapped in the X direction.

[0057] In this technical solution, when feeding is required, the material is introduced from the feed port 2, and then the transmission assembly is started to drive the first crushing roller 3 to rotate clockwise and the second crushing roller 4 to rotate counterclockwise, thereby forming an effect in which both the first crushing roller 3 and the second crushing roller 4 rotate toward the center;

[0058] After the material enters the feed port 2, it will contact the first crushing roller 3 and the second crushing roller 4. Since the first crushing roller 3 and the second crushing roller 4 rotate toward the center, the first crushing roller 3 and the second crushing roller 4 will drive the crushing teeth 5 to rotate toward the center, thereby rolling the material between the crushing teeth 5 of the first crushing roller 3 and the second crushing roller 4. The crushing teeth 5 of the first crushing roller 3 and the crushing teeth 5 of the second crushing roller 4 cooperate to pre-crush the material, avoiding blockage caused by large particles;

[0059] At the same time, the first crushing roller 3 and the second crushing roller 4 have a dredging effect. After the material is rolled between the first crushing roller 3 and the second crushing roller 4, the rolled material is discharged downward from the middle of the first crushing roller 3 and the second crushing roller 4 as the first crushing roller 3 and the second crushing roller 4 rotate. While achieving the crushing effect, it can also achieve the effect of dredging the material. As the first crushing roller 3 and the second crushing roller 4 rotate, the material can be continuously rolled downward to avoid material blockage, thereby achieving a better anti-blocking effect.

[0060] Through this structural design, by setting the first crushing roller 3, the second crushing roller 4 and the crushing teeth 5, after the material enters the feed port 2, it can be pre-crushed by the first crushing roller 3, the second crushing roller 4 and the crushing teeth 5 to prevent large particles from being blocked. At the same time, it has the effect of unblocking the feed port 2, and the material can be continuously drawn into the machine body 1. The speed of feeding into the machine body 1 can be achieved by adjusting the rotation speed, so that the feeding is uniform. Example 2

[0061] This embodiment provides a para-aramid resin crushing device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0062] Furthermore, the crushing teeth 5 are distributed in an involute shape on the first crushing roller 3 and the second crushing roller 4 . The crushing teeth 5 of the first crushing roller 3 are bent toward the rotation direction of the first crushing roller 3 , and the crushing teeth 5 of the second crushing roller 4 are bent toward the rotation direction of the second crushing roller 4 .

[0063] Through this structural design, since the crushing teeth 5 are bent in the shape of an involute, and the bending directions of the crushing teeth 5 of the first crushing roller 3 and the crushing teeth 5 of the second crushing roller 4 are opposite, when the first crushing roller 3 and the second crushing roller 4 rotate, the curved crushing teeth 5 of the first crushing roller 3 and the second crushing roller 4 form an interlocking structure, thereby scraping the material above and rolling it into and between the first crushing roller 3 and the second crushing roller 4 through the curved shape, making the feeding smoother and the pre-crushing effect better. Example 3

[0064] This embodiment provides a para-aramid resin crushing device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0065] Furthermore, the transmission assembly includes:

[0066] A first motor 6, which is fixedly arranged on the outside of the machine body 1;

[0067] a first gear 7 fixedly disposed at an output end of the first motor 6;

[0068] Among them, one end of the first crushing roller 3 and the second crushing roller 4 is extended out of the outside of the machine body 1, and the second gear 8 and the third gear 9 are fixedly provided on the end of the first crushing roller 3 and the second crushing roller 4 extended out of the machine body 1 respectively. The first gear 7 is meshed with the third gear 9, and the third gear 9 is meshed with the second gear 8.

[0069] In this technical solution, the transmission ratio of the third gear 9 to the second gear 8 is 1. When the first crushing roller 3 and the second crushing roller 4 need to be started, it is only necessary to start the first motor 6 to drive the first gear 7 to rotate, thereby driving the third gear 9 to rotate through meshing, and the third gear 9 drives the second gear 8 to rotate through meshing, thereby realizing the rotation of the first crushing roller 3 and the second crushing roller 4;

[0070] Through this structural setting, by setting the first motor 6, the first gear 7, the second gear 8 and the third gear 9, the first crushing roller 3 and the second crushing roller 4 can be rotated by starting the first motor 6, and the gear transmission setting also makes it possible to achieve a higher speed and torque, so that the first crushing roller 3 and the second crushing roller 4 can be crushed efficiently, while ensuring that the first crushing roller 3 and the second crushing roller 4 operate synchronously, so that the material is evenly stressed during the crushing process, thereby improving the crushing effect. At the same time, when the first crushing roller 3 and the second crushing roller 4 play a dredging role, the feeding speed of the first crushing roller 3 and the second crushing roller 4 can be adjusted by adjusting the speed of the first motor 6, so that the feeding into the machine body 1 is uniform. Example 4

[0071] This embodiment provides a para-aramid resin crushing device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0072] Furthermore, the feed assembly includes:

[0073] A feed box 10 is fixedly arranged at the upper end of the feed port 2;

[0074] There are two transmission rollers 11, and the two transmission rollers 11 are fixedly rotatably arranged in the feed box 10;

[0075] The conveyor belt 12 is mounted on two conveyor rollers 11, and the two conveyor rollers 11 are used to drive the conveyor belt 12 to move;

[0076] A power assembly, used to drive the transmission roller 11 to rotate;

[0077] Among them, the upper end of the feed box 10 is provided with a feed trough 13, and the lower end of the feed box 10 is provided with a discharge trough 14. The discharge trough 14 is connected to the inside of the feed port 2. The feed trough 13 is located above the conveyor belt 12, and the conveyor belt 12 is moved toward the discharge trough 14.

[0078] In the present technical solution, when feeding, the power assembly is started to drive the transmission roller 11 to rotate, thereby driving the conveyor belt 12 to move. The conveyor belt 12 is tensioned on the transmission roller 11 and moves with the rotation of the transmission roller 11, pouring the material from the feed trough 13 at the upper end of the feed box 10 so that the material falls on the conveyor belt 12. The feeding speed is controlled by adjusting the speed of the conveyor belt 12. After the material falls on the conveyor belt 12, it will be transported toward the discharge trough 14 of the feed box 10, so that the material falls into the discharge trough 14 of the feed box 10, thereby entering the feed port 2 of the machine body 1;

[0079] There is a gap between the conveyor belt 12 and the inner wall of the feed box 10. This gap forms a material transmission channel, which can prevent the material from being stacked too high on the conveyor belt 12, thereby avoiding a large amount of material being fed at one time. The material follows the conveyor belt 12 into the gap between the conveyor belt 12 and the inner wall of the feed box 10, and then falls into the discharge chute 14.

[0080] Through this structural design, by setting up the feed box 10, the transmission roller 11 and the transmission belt 12, even if a large amount of material is poured into the feed trough 13, only the material stacked to match the height of the feed channel can be transported by the transmission belt 12, and the excess material can only remain in the feed trough 13, avoiding a large amount of material entering at one time and causing the feed port 2 to be blocked, so that the material can enter the feed port 2 evenly from the discharge trough 14. Example 5

[0081] This embodiment provides a para-aramid resin crushing device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0082] Furthermore, it also includes:

[0083] Partition plates 15 , a plurality of partition plates 15 are fixedly provided on the outer side of the conveyor belt 12 at intervals, and a partition groove 16 is formed between every two partition plates 15 ;

[0084] The height of the partition plate 15 is equal to the distance between the upper surface of the conveyor belt 12 and the upper side surface inside the feed box 10 .

[0085] In this technical solution, by setting up a partition plate 15, a pushing effect is formed on the material at the feed trough 13, which facilitates the dredging of the material at the feed trough 13. At the same time, after the material falls onto the conveyor belt 12, it will enter the partition trough 16 formed between the two partition plates 15, and move toward the discharge trough 14 as the two partition plates 15 move. At the same time, the part of the material higher than the partition plate 15 will be scraped off by the feed trough 13 as the conveyor belt moves, and scraped into the next partition trough 16, so that several partition troughs 16 can be fed in sequence at a uniform speed, so that the feeding is uniform. Example 6

[0086] This embodiment provides a para-aramid resin crushing device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0087] Furthermore, the position of the feed trough 13 corresponds to the middle position of the conveyor belt 12 .

[0088] Through this structural design, since the position of the feed trough 13 corresponds to the middle position of the conveyor belt 12, the position where the material falls each time can be guaranteed to be within the partition groove 16, and the partition plate 15 moves along the trajectory of the conveyor belt 12, so that in the arc section of the conveyor belt 12, the two intervals will not form a partition groove 16, and the middle position of the conveyor belt 12 is a flat section, so that the position where the material falls each time can be guaranteed to be within the formed partition groove 16. Example 7

[0089] This embodiment provides a para-aramid resin crushing device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0090] Furthermore, it also includes:

[0091] The feed hopper 17 is funnel-shaped and fixedly mounted on the upper end of the feed box 10;

[0092] The interior of the feed hopper 17 is connected to the feed trough 13 .

[0093] Through this structural design, by providing the feed hopper 17 , feeding is made more convenient and the material is not easily spilled out, and the material can be introduced into the feed trough 13 of the feed box 10 . Example 8

[0094] This embodiment provides a para-aramid resin crushing device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0095] Furthermore, the power assembly includes:

[0096] A second motor 18 is fixedly mounted on the outer surface of the feed box 10;

[0097] One end of one of the transmission rollers 11 extends out of the outer surface of the feed box 10 , and the output shaft of the second motor 18 is fixedly connected to one end of one of the transmission rollers 11 .

[0098] In this technical solution, a second motor 18 is provided. When the conveyor belt 12 needs to be started, the second motor 18 is started, and the second motor 18 drives one of the conveyor rollers 11 to rotate. Since the conveyor belt 12 is tensioned on the two conveyor rollers 11, the conveyor belt 12 and the other conveyor roller 11 can be driven to rotate.

[0099] The embodiments of the present application are described above in conjunction with the accompanying drawings. Unless there is a conflict, the embodiments in the specification of the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A para-aramid resin crushing device, comprising an organism (1), characterized in that: Also includes: A feed inlet (2), the machine body (1) is provided with a feed inlet (2) for introducing materials; A first crushing roller (3) is fixedly rotatably arranged in the feed port (2) and rotates clockwise; A second crushing roller (4) is fixedly rotatably arranged in the feed port (2) and located on the right side of the first crushing roller (3), and rotates counterclockwise; Crushing teeth (5), the first crushing roller (3) and the second crushing roller (4) are both fixedly provided with a plurality of crushing teeth (5) evenly spaced circumferentially on their circumferential outer surfaces; A transmission assembly, which is arranged on the machine body (1) and is used to drive the first crushing roller (3) and the second crushing roller (4) to rotate; A feed assembly, which is arranged on the machine body (1) and is used to uniformly introduce materials toward the feed port (2); The crushing teeth (5) of the first crushing roller (3) and the crushing teeth (5) of the second crushing roller (4) are staggered in the Y direction, and the crushing teeth (5) on the right side of the first crushing roller (3) and the crushing teeth (5) on the left side of the second crushing roller (4) are overlapped in the X direction.

2. The para-aramid resin crushing device according to claim 1, characterized in that: The crushing teeth (5) are distributed in an involute shape on the first crushing roller (3) and the second crushing roller (4); the crushing teeth (5) of the first crushing roller (3) are bent toward the rotation direction of the first crushing roller (3); and the crushing teeth (5) of the second crushing roller (4) are bent toward the rotation direction of the second crushing roller (4).

3. The para-aramid resin crushing device according to claim 2, characterized in that: The transmission assembly comprises: A first motor (6) fixedly arranged outside the machine body (1); A first gear (7) fixedly arranged at the output end of the first motor (6); One end of the first crushing roller (3) and the second crushing roller (4) are extended outward from the outside of the machine body (1), and a second gear (8) and a third gear (9) are fixedly provided on the ends of the first crushing roller (3) and the second crushing roller (4) extended outward from the outside of the machine body (1), respectively. The first gear (7) is meshed with the third gear (9), and the third gear (9) is meshed with the second gear (8).

4. A para-aramid resin crushing device according to any one of claims 1 to 3, characterized in that: The feed assembly comprises: A feed box (10) fixedly arranged at the upper end of the feed port (2); There are two transmission rollers (11), and the two transmission rollers (11) are fixedly rotatably arranged on the feed box (10); A conveyor belt (12) is sleeved on two conveyor rollers (11), and the two conveyor rollers (11) are used to drive the conveyor belt (12) to move; A power assembly, used for driving the transmission roller (11) to rotate; The upper end of the feed box (10) is provided with a feed trough (13), the lower end of the feed box (10) is provided with a discharge trough (14), the discharge trough (14) is connected to the inside of the feed port (2), the feed trough (13) is located above the conveyor belt (12), and the conveyor belt (12) is moved toward the discharge trough (14).

5. The para-aramid resin crushing device according to claim 4, characterized in that: Also includes: Partition plates (15), wherein a plurality of partition plates (15) are fixedly provided at intervals on the outer side of the conveyor belt (12), and a partition groove (16) is formed between every two partition plates (15); The height of the partition plate (15) is equal to the distance between the upper surface of the conveyor belt (12) and the upper side surface inside the feed box (10).

6. The para-aramid resin crushing device according to claim 5, characterized in that: The position of the feed trough (13) corresponds to the middle position of the conveyor belt (12).

7. The para-aramid resin crushing device according to claim 6, characterized in that: Also includes: A feed hopper (17) is funnel-shaped and fixedly mounted on the upper end of the feed box (10); The interior of the feed hopper (17) is connected to the feed trough (13).

8. The para-aramid resin crushing device according to claim 7, characterized in that: The power assembly includes: a second motor (18) fixedly mounted on the outer surface of the feed box (10); One end of one of the transmission rollers (11) is extended out of the outer surface of the feed box (10), and the output shaft of the second motor (18) is fixedly connected to one end of one of the transmission rollers (11).

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