CN-224230575-U - Supercritical foaming elastomer drying device

CN224230575UCN 224230575 UCN224230575 UCN 224230575UCN-224230575-U

Abstract

The utility model relates to the technical field of elastomers, in particular to a supercritical foaming elastomer drying device which comprises a shell, wherein the shell comprises a feeding pipe, a transmission frame, a screen frame, a motor, a transmission structure and a discharging pipe, the feeding pipe is fixed at the top end of the shell, the transmission frame is fixedly connected to the inner top end of the shell, the motor is fixedly connected to the bottom end of the shell, uneven heating or partial degradation during drying can be avoided during sieving, the purity of the materials is guaranteed, the elastomer with high hygroscopicity can be sieved to reduce the subsequent foaming defect caused by impurities adsorption, the particle uniformity is optimized, elastomer particles with uniform particle size can be sieved through sieving, the heat transfer and moisture escape efficiency in the drying process are guaranteed to be consistent, the drying effect is improved, and the uniform particles are easier to form a stable gas saturation state in a supercritical fluid, so that the foam uniformity of subsequent foaming is facilitated.

Inventors

SHI JIANFENG
SU LICHENG

Assignees

福建海润速丰新材料有限公司

Dates

Publication Date: 20260512
Application Date: 20250331

Claims (4)

1. The utility model provides a supercritical foaming elastomer drying device, which is characterized in that the device comprises a shell (1), the shell (1) includes pan feeding pipe (2), drive frame (3), reel (4), motor (5), transmission structure (6), discharging pipe (7), pan feeding pipe (2) are fixed in shell (1) top, drive frame (3) fixedly connected with shell (1) interior top, motor (5) fixedly connected with shell (1) bottom, transmission structure (6) are connected with motor (5) output, reel (4) are connected with transmission structure (6) one side, discharging pipe (7) fixedly connected with shell (1) bottom, shell (1) and pan feeding pipe (2)'s link is fixed with top cap (10), shell (1) are close to top cap side rotation and are connected with pressure angle (8), pressure angle (8) one side is connected with bolt (9), the link of pan feeding pipe (7) and shell (1) is all fixedly connected with the valve, shell (1) inside wall is fixed with the top cap layer, the heating wire is fixed with top cap layer (10), the pressing angle (8) is positioned and connected to one side of the top cover (10) through a bolt (9).
2. The supercritical foaming elastomer drying device according to claim 1, wherein the transmission frame (3) comprises a fixed frame (34), the fixed frame (34) is fixedly connected to the inner side wall of the shell (1), two springs (31) of the transmission frame (3) are arranged, the springs (31) of the two transmission frames (3) are fixedly connected to the fixed frame (34), a sliding block (32) of the transmission frame (3) is slidably connected to the fixed frame (34), two limit posts (33) of the transmission frame (3) are arranged, the limit posts (33) of the two transmission frames (3) are fixedly connected to two sides of the sliding block (32) of the transmission frame (3), the limit posts (33) of the transmission frame (3) are arranged in the springs (31) of the transmission frame (3) in a penetrating mode, one of the two fixed frames (34) is arranged at the inner top end of the shell (1), the other fixed frame (34) is connected to one end of the sliding block (4) of the sliding block (32) of the transmission frame (3).
3. The drying device for supercritical foaming elastomer according to claim 1, wherein the screen frame (4) comprises two limit rings (41) and a screen cylinder (42), the limit rings (41) comprise two limit rings, one limit ring (41) is fixedly connected to the bottom end of the fixed frame (34) close to one side of the feeding pipe, the other limit ring is fixed to the top end of the fixed frame (34) close to the top end of the bottom transmission shaft (61), the limit rings comprise an inner ring and an outer ring, and the screen cylinder (42) is positioned in the middle of a gap between the inner ring and the outer ring.
4. The supercritical foaming elastomer drying device according to claim 1, wherein the transmission structure (6) comprises a positioning frame (60), a bottom transmission shaft (61), a stirring rod (62), a top rotation shaft (63), a protection sleeve (64), a main sliding block (65) and a main spring (66), the bottom transmission shaft (61) is fixedly connected to the output end of the motor (5), the top rotation shaft (63) is sleeved on the top end of the bottom transmission shaft (61), the stirring rods (62) comprise but are not limited to two, each stirring rod (62) is fixedly connected to the annular side face of the bottom transmission shaft (61), the protection sleeve (64) is fixedly connected to the annular side face of the motor, the main sliding block (65) is fixedly connected to the annular side face of the protection sleeve (64), the main spring (66) comprises but is not limited to four, one end of each main spring (66) is fixedly connected to the side face of the main sliding block (65), and the other end of each main spring (66) is fixedly connected to the inner side face of the positioning frame (60).

Description

Supercritical foaming elastomer drying device Technical Field The utility model relates to the technical field of elastomers, in particular to a supercritical foaming elastomer drying device. Background The supercritical elastomer is easy to absorb moisture, residual moisture can cause uneven bubble distribution or wall cracking ‌ when foaming at high temperature and high pressure, the dissolving and diffusing capacity of supercritical CO 2/N2 in the polymer can be enhanced through a drying matrix, the saturated impregnation time is shortened, however, under the condition that foreign matters or agglomerated particles exist in the raw materials of the ‌ supercritical elastomer, uneven heating or local degradation is easily caused under the condition that the raw materials are not sieved, the purity of the material is reduced, and uneven particles cause inconsistent heat transfer and escape efficiency in the drying process, and the drying effect is reduced. Disclosure of utility model Aiming at the defects of the prior art, the utility model provides a supercritical foaming elastomer drying device which has the advantages of the like. In order to achieve the functional aim, the supercritical foaming elastomer drying device comprises a shell, wherein the shell comprises a feeding pipe, a transmission frame, a screen frame, a motor, a transmission structure and a discharging pipe, the feeding pipe is fixed at the top end of the shell, the transmission frame is fixedly connected to the inner top end of the shell, the motor is fixedly connected to the bottom end of the shell, the transmission structure is connected to the output end of the motor, the screen frame is connected to one side of the transmission structure, the discharging pipe is fixedly connected to the bottom end of the shell, a top cover is fixedly arranged at the connecting end of the shell and the feeding pipe, a pressing angle is rotationally connected to the side face of the shell close to the top cover, a bolt is connected to one side of the pressing angle, valves are fixedly connected to the connecting ends of the feeding pipe, the discharging pipe and the shell, an electric heating wire layer is fixedly arranged on the inner side wall of the shell, the electric heating wire layer heats and dries the inside of the shell, a bolt groove is fixedly connected to the top cover, and the pressing angle is fixedly connected to one side of the top cover through the bolt. Further, the transmission frame includes fixed frame, fixed frame fixed connection is in the casing inside wall, the spring of transmission frame is equipped with two, and two the equal fixed connection of spring of transmission frame is in fixed frame, the slider sliding connection of transmission frame is in fixed frame, the spacing post of transmission frame is equipped with two, and two the equal fixed connection of spacing post of transmission frame in the slider both sides of transmission frame, the spacing post of transmission frame wears to locate in the spring of transmission frame, fixed frame is equipped with two, and one of them fixed frame is located the casing top, another fixed frame is connected in the reel bottom, the spring one end fixed connection of transmission frame in the slider side of transmission frame. Further, the screen frame includes spacing collar, a screen section of thick bamboo, the spacing collar includes but is not limited to two, and one of them spacing collar fixed connection is in the fixed frame bottom that is close to pan feeding pipe one side, and another spacing collar is fixed in the fixed frame top that is close to bottom transmission shaft top, the spacing collar includes inner circle, outer lane, a screen section of thick bamboo is located the clearance centre of inner circle and outer lane, a screen section of thick bamboo vibrates in the clearance centre of inner circle and outer lane, inner circle and outer lane are spacing to a screen section of thick bamboo. Further, the transmission structure comprises a positioning frame, a bottom transmission shaft, stirring rods, a top rotation shaft, a protective sleeve, a main sliding block and a main spring, wherein the bottom transmission shaft is fixedly connected to an output end of a motor, the top rotation shaft is sleeved on the top end of the bottom transmission shaft, the stirring rods comprise but are not limited to two stirring rods, each stirring rod is fixedly connected to the annular side face of the bottom transmission shaft, the protective sleeve is fixedly connected to the annular side face of the motor, the main sliding block is fixedly connected to the annular side face of the protective sleeve, the main spring comprises but are not limited to four stirring rods, one end of each main spring is fixedly connected to the side face of the main sliding block, the other end of the main spring is fixedly connected to the inner side face of the positioning frame, the diameter of the