Carbon fiber composite material cutting and screening device

By designing a carbon fiber composite material cutting and screening device, crushing and screening can be carried out simultaneously, solving the problem of inconvenient separation of particles of different sizes and improving the efficiency and accuracy of recycling.

CN223948295UActive Publication Date: 2026-02-27NANJING CARBON RAN NEW MATERIALS CO LTD
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Patent Information

Application Number
CN202520565058.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-02-27
Estimated Expiration
2035-03-28

AI Technical Summary

Technical Problem

Existing cutting devices are unable to effectively separate carbon fiber composite particles of different sizes, leading to inconvenience in recycling and processing.

Method used

A carbon fiber composite material cutting and screening device is designed, which adopts a vertically arranged cutting and screening component. The device performs initial crushing through the relative rotation of the active and driven cutter rollers, and uses upper and lower screens for grading and filtration, so as to achieve crushing and screening simultaneously.

Benefits of technology

It increases the recycling capacity, shortens the processing cycle, improves screening accuracy and processing efficiency, and reduces material transfer links.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a carbon fiber composite material cutting and screening device, which relates to the field of cutting and screening equipment for recycling carbon fiber composite materials and comprises a support frame, a cutting component is mounted at the top of the support frame, and a driving component is mounted at the top of the support frame and positioned on one side of the cutting component. The driving assembly is used for providing power for the cutting assembly, and the cutting assembly comprises a crushing box, a feeding opening, a driving knife roll, a driven knife roll and a baffle; the cutting assembly and the screening assembly are vertically arranged up and down, crushed materials directly fall into the screening box, crushing and screening can be carried out at the same time, the recovery processing capacity can be effectively improved, the single-time screening load can be reduced, the screening precision can be improved through classified filtering of the upper screen and the lower screen, and the recovery efficiency is improved. According to the crushing and screening device, crushed materials can be screened, the functions of crushing, screening and collecting are integrated into a single device, the material transfer link can be reduced, and the treatment efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to carbon fiber composite material recycling cutting screening equipment field, specifically, it is carbon fiber composite material cutting screening device. BACKGROUND

[0002] Carbon fiber composite material is the advanced material that is formed by carbon fiber and resin, metal, ceramic base combination, its carbon content is usually above 90%, this material is made through heat stable oxidation, carbonization and graphitization process, has light weight, high strength, high temperature resistance and other characteristics, is widely used in aerospace, automobile, building, medical treatment and other fields;

[0003] Carbon fiber composite material is widely used because of high strength, corrosion resistance and other characteristics, but it is difficult to degrade after being discarded, and the recycling of carbon fiber composite material mainly adopts mechanical recycling, pyrolysis recycling and chemical recycling, carbon fiber mechanical recycling mainly utilizes mechanical force to crush and sort carbon fiber composite material, thereby removing resin matrix, so as to realize the recycling of carbon fiber, mainly adopts cutting device, grinding device and sorting device, although the cutting device can realize the crushing and cutting of carbon fiber composite material, but due to the characteristics of the material itself, the particle size of the crushed particles is often uneven, which leads to the mixing of particles of different particle sizes, which brings inconvenience to subsequent recycling processing.

[0004] Therefore, the utility model provides a carbon fiber composite material cutting screening device to solve the above problems. Utility model content

[0005] In order to solve the above technical problem, the utility model provides the following technical scheme:

[0006] The utility model provides a kind of carbon fiber composite material cutting screening device, including support frame, the top of the support frame is equipped with cutting assembly, the top of the support frame and the side of cutting assembly is equipped with driving assembly, and the driving assembly is used to provide power for cutting assembly, and the cutting assembly includes crushing box, feed inlet, driving knife roll, driven knife roll and baffle, and the cutting assembly is used for crushing processing, the feed inlet is located at the top of crushing box, and is communicated with the inner chamber of crushing box, and the crushing box is fixedly connected with support frame, and the driving knife roll, driven knife roll and baffle are all installed in the inner chamber of crushing box, and the lower end of the support frame is equipped with screening assembly, and the screening assembly includes screening box, first motor, first speed reducer, slot, upper screen, lower screen, main shaft and helical blade, and the screening box is located at the bottom of crushing box, and is communicated with the inner chamber of crushing box, and the screening box is also fixedly connected with support frame, and the upper screen is located between crushing box and screening box, and the main shaft and helical blade are all installed in the inner chamber of screening box, and the lower screen is fixed to one side of the bottom of screening box, and the first motor and first speed reducer are all fixed to one side of screening box, and the screening assembly is used for conveying and screening, and the bottom of the support frame is equipped with collection box, and the collection box is used for collecting cutting and screening carbon fiber composite material.

[0007] Further, in the utility model, the output shaft of the first motor is in transmission with the input shaft of the first speed reducer, the output shaft of the first speed reducer penetrates to the inner chamber of the screening box and is in transmission with the main shaft, the other end of the main shaft is movably connected with the inner wall of the screening box through the bearing, and the helical blade is fixed to the surface of the main shaft.

[0008] Further, in the utility model, the slot is opened in the upper end of one side of the screening box, the upper screen penetrates to the inner chamber of the slot and is in sliding connection with the inner chamber of the slot.

[0009] Further, in the utility model, the driving knife roll and the driven knife roll are movably connected with the inner wall of the crushing box through the bearing, and the front and back of the inner chamber of the crushing box are fixedly connected with the baffle.

[0010] Further, in the utility model, the driving assembly includes the second motor, the second speed reducer, the protective cover, the driving gear and the driven gear, the protective cover is fixedly connected with the crushing box, the second motor and the second speed reducer are fixedly connected with the support frame, and the driving gear and the driven gear are all installed in the inner chamber of the protective cover.

[0011] Further, in the utility model, the driving gear is in mesh with the driven gear, the other end of the driving knife roll is in transmission with the driving gear, the other end of the driven knife roll is in transmission with the driven gear, the output shaft of the second motor is in transmission with the input shaft of the second speed reducer, and the output shaft of the second speed reducer penetrates to the inner chamber of the second motor and is in transmission with the driving gear.

[0012] Beneficial effects: This utility model has the following beneficial effects:

[0013] This utility model features a vertically arranged cutting and screening assembly. The crushed material falls directly into the screening box, shortening the processing cycle. Crushing and screening can be carried out simultaneously, effectively increasing the recycling capacity. Shearing force is generated by the relative rotation of double-blade rollers, which, together with baffles, form a closed crushing chamber to achieve the initial crushing of carbon fiber composite materials. The upper and lower screens are used for grading and filtration, which reduces the single screening load and improves screening accuracy. It not only enables the screening of crushed materials but also reduces material transfer links and improves processing efficiency by integrating crushing, screening, and collection functions into a single device. Attached Figure Description

[0014] Fig. 1 This is a schematic diagram of the main structure of this utility model;

[0015] Fig. 2 This is a side view structural diagram of the present invention;

[0016] Fig. 3 This is a schematic diagram of the connection structure between the cutting component and the driving component of this utility model;

[0017] Fig. 4 This is a schematic diagram of the main structure of the screening component of this utility model;

[0018] Fig. 5 This is a bottom view of the screening component of this utility model;

[0019] Fig. 6 This is a schematic diagram of the connection structure of the screening component of this utility model.

[0020] In the picture:

[0021] 1. Support frame; 2. Cutting assembly; 201. Crushing box; 202. Feed inlet; 203. Driving cutter roller; 204. Driven cutter roller; 205. Baffle; 3. Screening assembly; 301. Screening box; 302. First motor; 303. First reducer; 304. Slot; 305. Upper screen; 306. Lower screen; 307. Main shaft; 308. Spiral blade; 4. Drive assembly; 401. Second motor; 402. Second reducer; 403. Protective cover; 404. Driving gear; 405. Driven gear; 5. Collection box. Detailed Implementation

[0022] For a better understanding of the technical content of the present application, specific embodiments are described below with the accompanying drawings. In the present disclosure, various aspects of the present application are described with reference to the accompanying drawings, which show many embodiments of the description. The embodiments of the present disclosure are not necessarily defined in all aspects including the present application. It should be understood that the various concepts and embodiments introduced above, as well as those described in more detail below, can be implemented in any one of many ways, because the concepts and embodiments disclosed in the present application are not limited to any implementation. In addition, some aspects of the present application can be used alone or in any appropriate combination with other aspects of the present application.

[0023] Embodiment 1

[0024] As Figs. 1-6 shown, the first embodiment of the present application provides a carbon fiber composite material cutting and screening device, which comprises a support frame 1, a cutting assembly 2 is installed on the top of the support frame 1, a driving assembly 4 is installed on the top of the support frame 1 and on one side of the cutting assembly 2, the driving assembly 4 is used to provide power to the cutting assembly 2, the cutting assembly 2 comprises a crushing box 201, a feed inlet 202, a driving knife roll 203, a driven knife roll 204 and a baffle 205, the cutting assembly 2 is used for crushing processing, the feed inlet 202 is located on the top of the crushing box 201 and communicates with the inner cavity of the crushing box 201, the crushing box 201 is fixedly connected with the support frame 1, the driving knife roll 203, the driven knife roll 204 and the baffle 205 are all installed in the inner cavity of the crushing box 201, a screening assembly 3 is installed at the lower end of the support frame 1, the screening assembly 3 comprises a screening box 301, a first motor 302, a first speed reducer 303, a slot 304, an upper screen 305, a lower screen 306, a main shaft 307 and a spiral blade 308, the screening box 301 is located at the bottom of the crushing box 201 and communicates with the inner cavity of the crushing box 201, the screening box 301 is also fixedly connected with the support frame 1, the upper screen 305 is located between the crushing box 201 and the screening box 301, the main shaft 307 and the spiral blade 308 are both installed in the inner cavity of the screening box 301, the lower screen 306 is fixed to one side of the bottom of the screening box 301, the first motor 302 and the first speed reducer 303 are both fixed to one side of the screening box 301, the screening assembly 3 is used for conveying and screening, a collecting box 5 is installed at the bottom of the support frame 1, the collecting box 5 is used to collect the cutting and screening carbon fiber composite material.

[0025] As Figs. 1-6As shown, the support frame 1 is a main bearing structure, adopts a frame type design to ensure stability, installs the cutting assembly 2 at the top, integrates the screening assembly 3 at the lower part, and configures the collecting box 5 at the bottom, forms the functional layering in the vertical direction, the driving knife roll 203 and the driven knife roll 204 in the cutting assembly 2 are driven by the driving assembly 4 to crush the carbon fiber composite material entering the crushing box 201 from the feeding port 202, the setting of the baffle 205 can prevent the material from splashing everywhere during the cutting process, so that the cutting process is more concentrated and stable, the upper screen 305 is located between the crushing box 201 and the screening box 301, the material after preliminary crushing first passes through the upper screen 305, the larger particles will stay above the upper screen 305 and continue to be crushed by the cutting assembly 2 until they can pass through the upper screen 305, the crushed particles enter the screening box 301 through the upper screen 305, in the screening box 301, the first motor 302 drives the main shaft 307 and the spiral blade 308 to rotate through the first speed reducer 303, the material is conveyed under the action of the spiral blade 308, the lower screen 306 is fixed to one side of the bottom of the screening box 301, further screens the material, the smaller particles will pass through the lower screen 306 into the collecting box 5, and another part of the particles will be discharged from the other side with the rotation of the spiral blade 308, so as to realize screening, the cooperation of the upper screen 305 and the lower screen 306 can realize double screening, the aperture of the upper screen 305 is larger than that of the lower screen 306, not only can the crushed material be screened, but also by integrating the crushing, screening and collecting functions in a single device, the material transfer link is also reduced, and the processing efficiency is improved.

[0026] Embodiment 2

[0027] With reference to Figs. 4-6 , this is the second embodiment of the utility model, and the embodiment is based on the previous embodiment.

[0028] In the embodiment, the output shaft of the first motor 302 is in transmission connection with the input shaft of the first speed reducer 303, the output shaft of the first speed reducer 303 penetrates into the inner cavity of the screening box 301 and is in transmission connection with the main shaft 307, the other end of the main shaft 307 is movably connected with the inner wall of the screening box 301 through a bearing, and the spiral blade 308 is fixed to the surface of the main shaft 307.

[0029] The slot 304 is arranged at the upper end of one side of the screening box 301, the upper screen 305 penetrates into the inner cavity of the slot 304 and is in sliding connection with the inner cavity of the slot 304.

[0030] As Figs. 4-6As shown, the carbon fiber composite particles broken by the cutting assembly 2 enter the screening box 301, the first motor 302 drives the main shaft 307 and the spiral blade 308 to rotate through the first speed reducer 303, realizing the conveying of the particles, the upper screen 305 is located between the crushing box 201 and the screening box 301, and can intercept the particles with a larger particle size, so that the particles are left above the upper screen 305, and the particles with a smaller particle size continue to fall through the upper screen 305, the lower screen 306 is fixed to one side of the bottom of the screening box 301, further screening the falling particles, and separating the particles with different particle sizes, when the upper screen 305 needs to be cleaned, it can be pulled out from the slot 304, and different aperture upper screens 305 can be replaced according to the processing requirement.

[0031] Embodiment 3

[0032] Reference Figs. 1-3 As a third embodiment of the utility model, the embodiment is based on the previous two embodiments.

[0033] In the embodiment, the driving knife roller 203 and the driven knife roller 204 are movably connected to the inner wall of the crushing box 201 through bearings, and the front surface and the back surface of the inner cavity of the crushing box 201 are fixedly connected with the baffles 205.

[0034] The driving assembly 4 comprises a second motor 401, a second speed reducer 402, a protective cover 403, a driving gear 404 and a driven gear 405, the protective cover 403 is fixedly connected with the crushing box 201, the second motor 401 and the second speed reducer 402 are fixedly connected with the support frame 1, and the driving gear 404 and the driven gear 405 are installed in the inner cavity of the protective cover 403.

[0035] The driving gear 404 is engaged with the driven gear 405, one end of the driving knife roller 203 is in transmission connection with the driving gear 404, and the other end of the driven knife roller 204 is in transmission connection with the driven gear 405, the output shaft of the second motor 401 is in transmission connection with the input shaft of the second speed reducer 402, and the output shaft of the second speed reducer 402 penetrates into the inner cavity of the second motor 401 and is in transmission connection with the driving gear 404.

[0036] As Figs. 1-3 shown, the driving assembly 4 provides power for the driving knife roller 203, the driving knife roller 203 drives the driven knife roller 204 to rotate through the engagement of the driving gear 404 and the driven gear 405, and finally drives the two knife rollers to rotate, the driving knife roller 203 and the driven knife roller 204 rotate in opposite directions, cooperate with the baffles 205 to form multiple cutting, generate shear force through the relative rotation of the double knife rollers, cooperate with the baffles 205 to form a closed crushing cavity, and realize the preliminary crushing of the carbon fiber composite material.

[0037] In use, the second motor 401 of the driving assembly 4 is started, power is reduced through the second speed reducer 402, and the driving gear 404 is driven to rotate, the driven gear 405 is driven to rotate due to the meshing of the driving gear 404 and the driven gear 405, and the driving gear 404 and the driven gear 405 drive the driving knife roller 203 and the driven knife roller 204 to rotate oppositely in the crushing box 201, the carbon fiber composite material enters the crushing box 201 from the feeding port 202, and the driving knife roller 203 and the driven knife roller 204 oppositely rotating perform crushing processing on the carbon fiber composite material, the baffle 205 can prevent the material from splashing, and the stability and safety of the crushing process are ensured, the preliminarily crushed material firstly passes through the upper screen 305, larger particles are stopped above the upper screen 305, and continue to be crushed through the cutting assembly 2 until the particles can pass through the upper screen 305, the crushed particles pass through the upper screen 305 and enter the screening box 301, in the screening box 301, the first motor 302 drives the main shaft 307 and the spiral blade 308 to rotate through the first speed reducer 303, the material is conveyed under the action of the spiral blade 308, the lower screen 306 is fixed to one side of the bottom of the screening box 301, and the material is further screened, smaller particles pass through the lower screen 306 and enter the collecting box 5, and another part of the particles is discharged from the other side along with the rotation of the spiral blade 308, so that screening is realized.

[0038] The standard parts used in the application file can be purchased from the market, and can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional bolt, rivet, welding and other conventional means in the prior art, the mechanical, parts and equipment adopt the conventional type in the prior art, the control mode is automatically controlled through the controller, the control circuit of the controller can be realized by simple programming of the person skilled in the art, and it is the common knowledge in the art, and the application is mainly used to protect the mechanical device, so the control mode and circuit connection are not explained in detail.

[0039] Although the utility model has disclosed as above with preferred embodiments, it is not used to limit the utility model. Those skilled in the art without departing from the spirit and scope of the utility model can make various changes and decorations. Therefore, the protection scope of the utility model is defined by the claims.

Claims

1. A carbon fiber composite material cutting and screening device, comprising a support frame (1), characterized in that: A cutting assembly (2) is mounted on the top of the support frame (1), and a drive assembly (4) is mounted on the top of the support frame (1) and on one side of the cutting assembly (2). The drive assembly (4) provides power to the cutting assembly (2). The cutting assembly (2) includes a crushing box (201), a feed inlet (202), a driving cutter roller (203), a driven cutter roller (204), and a baffle (205). The cutting assembly (2) is used for crushing processing. The feed inlet (202) is located at the top of the crushing box (201) and communicates with the inner cavity of the crushing box (201). The crushing box (201) is fixedly connected to the support frame (1). The active cutter roller (203), the driven cutter roller (204), and the baffle (205) are all installed in the inner cavity of the crushing box (201). A screening assembly (3) is installed at the lower end of the support frame (1). The screening assembly (3) includes a screening box (301) and a first motor (302). The components include a first reducer (303), a slot (304), an upper screen (305), a lower screen (306), a main shaft (307), and spiral blades (308). The screening box (301) is located at the bottom of the crushing box (201) and communicates with the inner cavity of the crushing box (201). The screening box (301) is also fixedly connected to the support frame (1). The upper screen (305) is located between the crushing box (201) and the screening box (308). The main shaft (307)... 7) and the spiral blade (308) are both installed in the inner cavity of the screening box (301). The lower screen (306) is fixed to one side of the bottom of the screening box (301). The first motor (302) and the first reducer (303) are both fixed to one side of the screening box (301). The screening assembly (3) is used for conveying and screening. The bottom of the support frame (1) is equipped with a collection box (5). The collection box (5) is used to collect the cut and screened carbon fiber composite material.

2. The carbon fiber composite material cutting and screening device as described in claim 1, characterized in that: The output shaft of the first motor (302) is connected to the input shaft of the first reducer (303). The output shaft of the first reducer (303) passes through the inner cavity of the screening box (301) and is connected to the main shaft (307). The other end of the main shaft (307) is movably connected to the inner wall of the screening box (301) through a bearing. The spiral blade (308) is fixed to the surface of the main shaft (307).

3. The carbon fiber composite material cutting and screening device as described in claim 1, characterized in that: The slot (304) is located at the upper end of one side of the screening box (301), and the upper screen (305) extends through the inner cavity of the slot (304) and is slidably connected to the inner cavity of the slot (304).

4. The carbon fiber composite material cutting and screening device as described in claim 1, characterized in that: Both the active cutter roller (203) and the driven cutter roller (204) are movably connected to the inner wall of the crushing box (201) via bearings, and baffles (205) are fixedly connected to the front and back of the inner cavity of the crushing box (201).

5. The carbon fiber composite material cutting and screening device as described in claim 1, characterized in that: The drive assembly (4) includes a second motor (401), a second reducer (402), a protective cover (403), a drive gear (404), and a driven gear (405). The protective cover (403) is fixedly connected to the crushing box (201). The second motor (401) and the second reducer (402) are both fixedly connected to the support frame (1). The drive gear (404) and the driven gear (405) are both installed in the inner cavity of the protective cover (403).

6. The carbon fiber composite material cutting and screening device as described in claim 5, characterized in that: The driving gear (404) meshes with the driven gear (405), the other end of the driving cutter roller (203) is drivenly connected to the driving gear (404), the other end of the driven cutter roller (204) is drivenly connected to the driven gear (405), the output shaft of the second motor (401) is drivenly connected to the input shaft of the second reducer (402), and the output shaft of the second reducer (402) passes through the inner cavity of the second motor (401) and is drivenly connected to the driving gear (404).