Granular expandable graphite drying device

Abstract

The utility model relates to the technical field of graphite production, and discloses a granular expandable graphite drying device which comprises two conveying rollers, the front faces and the back faces of the conveying rollers are rotationally connected with fixing plates, the two conveying rollers are in transmission connection through a conveying belt, a vibration assembly is installed in the conveying belt, and a drying assembly is installed at the top of the conveying belt. A discharging assembly is installed on the right side of the conveying belt. By arranging the discharging assembly and the vibration assembly, granular expansible graphite is fed into the hopper through the feeding groove and then conveyed to the conveying belt through the hopper, and in the process, the upper sliding plate and the lower sliding plate alternately reciprocate through matched use of the two rotating discs, so that the expansible graphite is conveyed to the conveying belt. The quantity difference of the granular expansible graphite falling into the hopper every time is small, so that the quantity difference of the granular expansible graphite accumulated on the surface of the conveying belt is small, and the granular expansible graphite is dispersed by vibration in cooperation with the vibration assembly, so that the granular expansible graphite is uniformly heated.

Description

Technical Field

[0001] The utility model relates to the technical field of graphite production, in particular to a drying device for granular expandable graphite. Background Technique

[0002] Granular expandable graphite is a special graphite material, usually prepared by mixing and heating natural graphite and an expanding agent at high temperature. This material has characteristics such as low density, excellent thermal conductivity, high temperature resistance, and corrosion resistance, and is widely used in fields such as rubber compound reinforcing agents, waterproof materials, and sealing materials in tire production. Granular expandable graphite is particularly used in the production of tire tread rubber in the tire industry, which helps to improve the wear resistance, high temperature resistance, and noise reduction performance of tires.

[0003] In a Chinese utility model patent with the publication number CN212870639U, a device for drying graphite is disclosed. Through the provided electric heating pipes, the graphite can be pre-treated by drying during transportation. Through the provided sealing cover and the gas collecting pipe communicated with the sealing cover, the pungent hot gas generated during the drying of the graphite can be discharged after centralized recovery treatment, which is beneficial to environmental protection. Through the provided arc-shaped electric heating plate, the graphite in the second box body can be heated and dried. Through the provided cylindrical second box body, servo motor, stirring shaft, and stirring blades with a certain length and height, the graphite at the bottom of the second box body can be stirred, avoiding the situation where the graphite in the corner area of the square box body cannot be stirred and heated, and thus facilitating the comprehensive drying treatment of the graphite in the second box body.

[0004] Regarding the above related technologies, the inventor believes that there are the following defects: The device solves the problem of incomplete drying of graphite in the prior art, and has the effect of making the graphite particles be dried more fully and being more environmentally friendly. However, during the drying process of the device, the amount of graphite falling on the conveyor belt is different, resulting in different amounts of graphite accumulating on the conveyor belt, making the graphite unevenly heated and reducing the quality of graphite production. Content of the Utility Model

[0005] To solve the above-mentioned technical problems, the utility model provides a drying device for granular expandable graphite.

[0006] The utility model is realized by adopting the following technical solutions: A drying device for granular expandable graphite includes two conveying rollers. The front and back of the conveying rollers are rotatably connected with fixing plates. The two conveying rollers are drivingly connected through a conveyor belt. A vibration assembly is installed inside the conveyor belt, a drying assembly is installed on the top of the conveyor belt, and a blanking assembly is installed on the right side of the conveyor belt.

[0007] The vibration assembly includes two impact plates, between which abutment plates are fixedly connected at equal intervals, the abutment plates abut against the top of the inner wall of the conveyor belt, both ends of the impact plates are slidably connected with support plates, the drying assembly is installed on the top of the support plate, a linear groove is opened on one side of the support plate, two limit rods are penetrated through the surface of the impact plate, both ends of the limit rods are fixedly connected to the top and bottom of the inner wall of the linear groove, the top and bottom of the impact plate are connected to the top and bottom of the inner wall of the linear groove by two springs sleeved on the outside of the limit rods, cams are abutted at equal intervals on the bottom of the impact plate, a worm is penetrated and connected inside the cam, the support plate is sleeved on the outside of the worm, the right end of the worm is fixedly connected to the motor, the surface of the worm is transmission-connected to a worm gear, and the worm gear is sleeved on the outside of the middle shaft of the right conveying roller.

[0008] The unloading assembly includes two turntables and a feed trough. One end of the middle shaft of the turntable is transmission-connected to the middle shaft of the right conveying roller through a synchronous belt. A push rod is fixedly connected to the surface of the turntable. The outer side of the push rod is abutted against an arc-shaped slot plate. The left side of the arc-shaped slot plate is fixedly connected to a guide rod. The right side of the arc-shaped slot plate is fixedly connected to a connecting rod. The right end of the front connecting rod is fixedly connected to a lower sliding plate through an L-shaped rod. The right end of the back connecting rod is fixedly connected to an upper sliding plate. The upper sliding plate and the lower sliding plate are slidably arranged inside the feed trough. The bottom of the feed trough is connected to a hopper. The right side of the bottom of the hopper is fixedly connected to two supporting columns, and the left side of the bottom of the hopper is fixedly connected to the top of the right fixed plate.

[0009] As a further improvement of the above solution, a support block is fixedly connected to the bottom of the motor to ensure the normal operation of the motor.

[0010] As a further improvement of the above scheme, the drying component includes a bellows, the bottom of the bellows is fixedly connected to a mounting cover, the mounting cover is fixedly connected to the top of the support plate, a fan is installed on the top of the bellows, a filter is installed inside the bellows, heating tubes are installed at equal intervals below the filter, the bottom of the bellows is connected to an air inlet pipe, the bottom of the air inlet pipe is connected to an air outlet plate, the air outlet plate is installed inside the mounting cover, and the bottom of the air outlet plate is connected to air outlet pipes at equal intervals, which is used to provide hot air to the surface of the granular expandable graphite to dry the granular expandable graphite.

[0011] As a further improvement of the above solution, the outer sides of the guide rod and the connecting rod are sleeved with limit blocks, and the limit blocks are fixedly connected to the top of the hopper to ensure that the guide rod and the connecting rod can move in the horizontal direction.

[0012] As a further improvement of the above solution, a discharge port is provided on the left side of the hopper to facilitate the transportation of the granular expandable graphite to the conveyor belt.

[0013] As a further improvement of the above solution, two pedestal bearings are installed on the outside of the middle shaft of the turntable by interference fit. The pedestal bearings are fixedly connected to the top of the hopper to ensure the normal operation of the turntable.

[0014] As a further improvement of the above solution, a rotating bearing is installed on the outside of the worm. The rotating bearing is fixedly connected to the surface of the right fixing plate to ensure the normal operation of the worm.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] 1. By setting the blanking component and the vibration component, the granular expandable graphite is fed into the hopper through the feed chute and then transported to the conveyor belt through the hopper. In this process, through the combined use of two turntables, the upper sliding plate and the lower sliding plate perform alternating reciprocating motions, so that the amount falling into the hopper each time is not much different, thereby ensuring that the amount of granular expandable graphite accumulated on the surface of the conveyor belt is not much different. Cooperating with the vibration component to vibrate and disperse the granular expandable graphite, so that the granular expandable graphite is heated evenly.

[0017] 2. By setting the vibration component and starting the motor, the worm drives the right conveying roller to rotate through the worm gear, thereby conveying the granular expandable graphite to the left. During the conveying process, the worm drives the cam to rotate, so that the cam continuously hits the hit plate, causing the abutting plate to continuously vibrate the conveyor belt, thereby vibrating the granular expandable graphite on the conveyor belt, making the drying effect of the granular expandable graphite by the hot air more comprehensive and ensuring the drying effect of the graphite. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 is a schematic diagram of the air box, cam and worm of the present utility model;

[0020] Figure 3 is a schematic diagram of the conveying roller, fixing plate and feed chute of the present utility model;

[0021] Figure 4 is a schematic diagram of the guide rod, connecting rod and arc-shaped groove plate of the present utility model.

[0022] MAIN SYMBOL DESCRIPTION:

[0023] 1. Conveyor roller; 2. Fixed plate; 3. Conveyor belt; 4. Impact plate; 5. Contact plate; 6. Support plate; 7. Cam; 8. Worm; 9. Worm gear; 10. Turntable; 11. Feed chute; 12. Contact rod; 13. Arc-shaped groove plate; 14. Guide rod; 15. Connecting rod; 16. Upper sliding plate; 17. Lower sliding plate; 18. Hopper; 19. Air box. Detailed implementation manner

[0024] Next, in combination with the accompanying drawings and specific implementation manners, the present utility model will be further described. It should be noted that, on the premise of no conflict, the following-described embodiments or technical features can be arbitrarily combined to form new embodiments.

[0025] Embodiment:

[0026] Please refer to Figures 1-4 For a granular expandable graphite drying device of this embodiment, it includes two conveyor rollers 1. Fixed plates 2 are rotatably connected to the front and back of the conveyor roller 1. The two conveyor rollers 1 are drivingly connected by a conveyor belt 3. A vibration assembly is installed inside the conveyor belt 3, and a drying assembly is installed on the top of the conveyor belt 3. The drying assembly includes an air box 19. The bottom of the air box 19 is fixedly connected with an installation cover, and the installation cover is fixedly connected to the top of the support plate 6. A fan is installed on the top of the air box 19. A filter screen is installed inside the air box 19. Heating tubes are installed at equal intervals below the filter screen. The bottom of the air box 19 is communicated with an air inlet pipe, and the bottom of the air inlet pipe is communicated with an air outlet plate. The air outlet plate is installed inside the installation cover. Air outlet pipes are communicated at equal intervals at the bottom of the air outlet plate, which is used to provide hot air to the surface of the granular expandable graphite for drying the granular expandable graphite. A blanking assembly is installed on the right side of the conveyor belt 3.

[0027] The vibration assembly is used to vibrate the granular expandable graphite. The vibration assembly includes two impact plates 4. Contact plates 5 are fixedly connected at equal intervals between the two impact plates 4. The contact plates 5 abut against the top of the inner wall of the conveyor belt 3. Both ends of the impact plate 4 are slidably connected to the support plate 6. The drying assembly is installed on the top of the support plate 6. A linear groove is opened on one side of the support plate 6. Two limiting rods penetrate through the surface of the impact plate 4. The two ends of the limiting rod are fixedly connected to the top and bottom of the inner wall of the linear groove. The top and bottom of the impact plate 4 are connected to the top and bottom of the inner wall of the linear groove through two springs sleeved on the outer side of the limiting rod. The bottom of the impact plate 4 abuts against cams 7 at equal intervals. A worm 8 penetrates through the inside of the cam 7. A rotating bearing is installed on the outer side of the worm 8, and the rotating bearing is fixedly connected to the surface of the right fixed plate 2 to ensure the normal operation of the worm 8. The support plate 6 is sleeved on the outer side of the worm 8. The right end of the worm 8 is fixedly connected with a motor, and the bottom of the motor is fixedly connected with a support block to ensure the normal operation of the motor. The surface of the worm 8 is drivingly connected with a worm gear 9, and the worm gear 9 is sleeved on the outer side of the middle shaft of the right conveyor roller 1.

[0028] The unloading assembly is used to convey equal amounts of granular expandable graphite to the conveyor belt 3. The unloading assembly includes two turntables 10 and a feed trough 11. One end of the intermediate shaft of the turntable 10 is connected to the intermediate shaft of the right conveying roller 1 through a synchronous belt. A push rod 12 is fixedly connected to the surface of the turntable 10. The position of the front push rod 12 on the front turntable 10 and the position of the back push rod 12 on the back turntable 10 are symmetrically arranged on a vertical plane. The outer side of the push rod 12 is abutted against an arc-shaped slot plate 13. The left side of the arc-shaped slot plate 13 is fixedly connected to a guide rod 14. The right side of the arc-shaped slot plate 13 is fixedly connected to a connecting rod 15. The right end of the front connecting rod 15 is fixedly connected to a lower sliding plate 17 through an L-shaped rod, and the right end of the back connecting rod 15 is fixedly connected to an upper sliding plate 16, the upper sliding plate 16 and the lower sliding plate 17 are slidably arranged inside the feed trough 11, the bottom of the feed trough 11 is connected to a hopper 18, and a discharge port is opened on the left side of the hopper 18 to facilitate the transportation of granular expandable graphite to the conveyor belt 3, the outer side of the guide rod 14 and the outer side of the connecting rod 15 are sleeved with limit blocks, and the limit blocks are fixedly connected to the top of the hopper 18 to ensure that the guide rod 14 and the connecting rod 15 can move in the horizontal direction, and two bearing seats are installed on the outer side of the intermediate shaft of the turntable 10 by interference fit, and the bearing seats are fixedly connected to the top of the hopper 18 to ensure the normal operation of the turntable 10, and the right side of the bottom of the hopper 18 is fixedly connected to two support columns, and the left side of the bottom of the hopper 18 is fixedly connected to the top of the right fixed plate 2.

[0029] The implementation principle of a granular expandable graphite drying device in the embodiment of the present application is as follows: two motors are started, and the two motors drive two worms 8 to rotate. The worm 8 drives the right conveying roller 1 to rotate through the worm gear 9, so that the conveyor belt 3 conveys the granular expandable graphite to the left. During the conveying process, the worm 8 drives the cam 7 to rotate, so that the cam 7 continuously hits the impact plate 4. Under the action of the limit rod and the spring, the impact plate 4 continuously reciprocates in the vertical direction, so that the abutment plate 5 continuously hits the conveyor belt 3 to vibrate, thereby vibrating the granular expandable graphite on the conveyor belt 3, so that the granular expandable graphite is dried more comprehensively by the hot air, thereby ensuring the drying effect of the graphite.

[0030] After the motor starts, the granular expandable graphite is fed into the hopper 18 through the feeding trough 11, and then transported to the conveyor belt 3 through the discharge port on the hopper 18. During this process, the middle shaft of the right conveying roller 1 drives two turntables 10 to rotate through two synchronous belts. Under the action of the abutting rod 12, the arc-shaped groove plate 13 starts to reciprocate horizontally. Under the action of the guiding rod 14 and the connecting rod 15, the upper sliding plate 16 and the lower sliding plate 17 perform alternating reciprocating motions. After the upper sliding plate 16 completes one reciprocating motion, the abutting rod 12 on the back starts to move along the inside of the arc-shaped groove plate 13, causing the upper sliding plate 16 to stop moving. At the same time, the arc-shaped groove plate 13 on the front is subjected to the abutting action of the front abutting rod 12 and starts to drive the lower sliding plate 17 to perform reciprocating motions. Through the alternating operation of the upper sliding plate 16 and the lower sliding plate 17, the amount of granular expandable graphite falling into the hopper 18 each time is not much different, so as to ensure that the amount of granular expandable graphite accumulated on the surface of the conveyor belt 3 is not much different. Cooperating with the vibration assembly to vibrate and disperse the granular expandable graphite makes the granular expandable graphite heat more evenly.

[0031] The above embodiments are only the preferred embodiments of the present invention, and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and substitutions made by those skilled in the art based on the present invention belong to the scope of protection required by the present invention.

Claims

1. A granular expandable graphite drying device, characterized in that: The conveyor roller (1) comprises two conveyor rollers (1), the front and back sides of the conveyor rollers (1) are both rotatably connected to fixed plates (2), the two conveyor rollers (1) are connected by a conveyor belt (3), a vibration component is installed inside the conveyor belt (3), a drying component is installed on the top of the conveyor belt (3), and a material discharge component is installed on the right side of the conveyor belt (3); The vibration component comprises two impact plates (4), between which abutment plates (5) are fixedly connected at equal intervals, the abutment plates (5) abut against the top of the inner wall of the conveyor belt (3), both ends of the impact plates (4) are slidably connected with support plates (6), the drying component is installed on the top of the support plate (6), one side of the support plate (6) is provided with a linear groove, the surface of the impact plate (4) is penetrated by two limit rods, and the two ends of the limit rods are fixedly connected to the top and bottom of the inner wall of the linear groove, The top and bottom of the impact plate (4) are connected to the top and bottom of the inner wall of the linear groove through two springs sleeved on the outside of the limit rod. The bottom of the impact plate (4) is abutted with cams (7) at equal intervals. A worm (8) is connected through the inside of the cam (7). The support plate (6) is sleeved on the outside of the worm (8). The right end of the worm (8) is fixedly connected to a motor. The surface of the worm (8) is transmission-connected to a worm wheel (9). The worm wheel (9) is sleeved on the outside of the intermediate shaft of the right conveying roller (1). The unloading assembly comprises two rotating disks (10) and a feeding trough (11); one end of the intermediate shaft of the rotating disk (10) is connected to the intermediate shaft of the right conveying roller (1) through a synchronous belt; a support rod (12) is fixedly connected to the surface of the rotating disk (10); an arc-shaped slot plate (13) is abutted against the outer side of the support rod (12); a guide rod (14) is fixedly connected to the left side of the arc-shaped slot plate (13); a connecting rod (15) is fixedly connected to the right side of the arc-shaped slot plate (13); and a front connecting rod (16) is fixedly connected to the front side of the arc-shaped slot plate (13). The right end of the back connecting rod (15) is fixedly connected to a lower sliding plate (17) through an L-shaped rod, the right end of the back connecting rod (15) is fixedly connected to an upper sliding plate (16), the upper sliding plate (16) and the lower sliding plate (17) are slidably arranged inside the feed trough (11), the bottom of the feed trough (11) is connected to a hopper (18), the right side of the bottom of the hopper (18) is fixedly connected to two supporting columns, and the left side of the bottom of the hopper (18) is fixedly connected to the top of the right fixed plate (2).

2. A granular expandable graphite drying device as claimed in claim 1, characterized in that: A supporting block is fixedly connected to the bottom of the motor.

3. A granular expandable graphite drying device as claimed in claim 1, characterized in that: The drying assembly comprises a bellows (19), the bottom of the bellows (19) is fixedly connected to a mounting cover, the mounting cover is fixedly connected to the top of the support plate (6), a fan is mounted on the top of the bellows (19), a filter is mounted inside the bellows (19), heating tubes are mounted at equal intervals below the filter, the bottom of the bellows (19) is connected to an air inlet pipe, the bottom of the air inlet pipe is connected to an air outlet plate, the air outlet plate is mounted inside the mounting cover, and the bottom of the air outlet plate is connected to the air outlet pipe at equal intervals.

4. A granular expandable graphite drying device as claimed in claim 1, characterized in that: The outer side of the guide rod (14) and the outer side of the connecting rod (15) are both sleeved with limit blocks, and the limit blocks are fixedly connected to the top of the hopper (18).

5. A granular expandable graphite drying device as claimed in claim 1, characterized in that: The left side of the hopper (18) is provided with a discharge port.

6. A granular expandable graphite drying device as claimed in claim 1, characterized in that: Two seat bearings are installed on the outer side of the intermediate shaft of the turntable (10) by means of interference fit, and the seat bearings are fixedly connected to the top of the hopper (18).

7. A granular expandable graphite drying device as claimed in claim 1, characterized in that: A rotary bearing is installed on the outer side of the worm (8), and the rotary bearing is fixedly connected to the surface of the right fixed plate (2).

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