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CN-224210371-U - Polyurethane foaming mixing arrangement of anti-blocking material

CN224210371UCN 224210371 UCN224210371 UCN 224210371UCN-224210371-U

Abstract

The utility model relates to the technical field of polyurethane foaming production equipment, in particular to a polyurethane foaming mixing device for preventing blocking. Including support and compounding bucket, install the compounding bucket on the support, the compounding bucket is used for the material to mix, and compounding bucket side intercommunication has the feed cylinder, is provided with the blowing frame on the feed cylinder, and the feed cylinder internal rotation is provided with the pivot, is provided with helical blade in the pivot, and helical blade is used for carrying the material in the feed cylinder to in the compounding bucket. According to the utility model, the distance between the spiral blades is gradually reduced from right to left, so that materials can be more easily accepted at the initial stage of entering the charging barrel and are gradually subjected to larger compression and pushing force along with the pushing process, so that the blocking problem of high-viscosity raw materials in the conveying process is effectively reduced, the whole inside of a container, including edges and corners, can be covered by adopting a bidirectional stirring mechanism, the dead angle existing in the traditional mixing device is reduced, and the uniformity and efficiency of mixing are improved.

Inventors

  • CHEN HANBIN
  • Luo Xianshou
  • Liao an
  • ZHU YANWEI
  • CHEN JIANWU
  • ZHANG ZUPING

Assignees

  • 福建省锅炉压力容器检验研究院三明分院

Dates

Publication Date
20260508
Application Date
20250429

Claims (6)

  1. 1. The utility model provides an anti-blocking polyurethane foaming mixing device, which comprises a bracket (1) and a mixing barrel (2), install mixing barrel (2) on support (1), mixing barrel (2) are used for the material to mix, wherein mixing barrel (2) side intercommunication has feed cylinder (3), be provided with blowing frame (4) on feed cylinder (3), feed cylinder (3) internal rotation is provided with pivot (5), be provided with helical blade (6) on pivot (5), helical blade (6) are used for carrying the material in feed cylinder (3) to in mixing barrel (2), and helical blade (6) interval that is close to mixing barrel (2) one side is less than helical blade (6) interval that keeps away from mixing barrel (2) one side, mixing barrel (2) rotation is provided with stirring frame (7), stirring frame (7) are used for stirring the material in to mixing barrel (2), be provided with actuating mechanism on feed cylinder (2) and rotation is provided with pivot (5) and stirring frame (7), be provided with helical blade (6) on rotation frame (7), in being provided with rotary frame (9) and rotary frame (9) reverse rotation (9) drive mechanism, it is provided with rotary frame (9) and is used for rotating frame (11), shovel plates (12) are arranged on the movable frame (11) at intervals, the shovel plates (12) turn up materials, a pressing mechanism is arranged in the mixing barrel (2) and is used for pressing the movable frame (11) to move.
  2. 2. The polyurethane foaming mixing device according to claim 1, wherein the driving mechanism comprises a connecting plate (801), a first motor (802) and a second motor (803), the connecting plate (801) is arranged on the side face of the mixing barrel (2), the first motor (802) is arranged on the connecting plate (801), an output shaft of the first motor (802) is connected with the rotating shaft (5), the second motor (803) is arranged at the top of the mixing barrel (2), and an output shaft of the second motor (803) is connected with the stirring frame (7).
  3. 3. The polyurethane foaming mixing device according to claim 1, wherein the transmission mechanism comprises a first gear (1001), a second gear (1002) and a toothed ring (1003), the first gear (1001) is arranged on the stirring frame (7), the second gear (1002) is rotatably arranged at the inner top of the mixing barrel (2), the first gear (1001) is meshed with the second gear (1002), the toothed ring (1003) is arranged at the top of the rotating frame (9), and the toothed ring (1003) is meshed with the second gear (1002).
  4. 4. The polyurethane foaming mixing device according to claim 1, wherein the pressing mechanism comprises a spring (1301) and a ring plate (1302), the spring (1301) is connected between the movable frame (11) and the rotating frame (9), the ring plate (1302) is arranged on the inner side of the mixing barrel (2), and the ring plate (1302) is used for pressing the movable frame (11).
  5. 5. The polyurethane foam mixing device according to claim 4, wherein the top of the movable frame (11) is an inclined plane, and the inclined plane is used for contacting with the annular plate (1302) so that the annular plate (1302) can press the movable frame (11) to move.
  6. 6. The polyurethane foaming mixing device of claim 1, further comprising a heating mechanism, wherein the heating mechanism comprises a heater (14), a heat conducting plate (15), a rotating plate (16) and a heat conducting rod (17), the heater (14) is arranged on the mixing barrel (2), the heat conducting plate (15) is arranged on the inner side of the mixing barrel (2), the heater (14) is connected with the heat conducting plate (15), the heater (14) is used for heating the heat conducting plate (15), the rotating plate (16) is rotatably arranged at the bottom of the heat conducting plate (15), the heat conducting rod (17) is arranged in the rotating frame (9), and the heat conducting rod (17) is connected with the rotating plate (16).

Description

Polyurethane foaming mixing arrangement of anti-blocking material Technical Field The utility model relates to the technical field of polyurethane foaming production equipment, in particular to a polyurethane foaming mixing device for preventing blocking. Background With the development of modern industry, particularly in the fields of building insulation, refrigeration equipment, automobile manufacturing and the like, the demand for efficient energy-saving materials is increasing, and polyurethane foam is one of the preferred materials in the fields due to its excellent heat insulation performance, good mechanical properties and relatively low density, however, in the polyurethane foaming production process, effective transportation and uniform mixing of raw materials are important factors for ensuring the quality of the final product. In the polyurethane foaming process, the raw materials in the polyurethane foaming production process are high-viscosity raw materials, the high-viscosity raw materials have larger internal friction force and viscous resistance, when the traditional spiral feeding device is used for conveying the high-viscosity raw materials, the screw pitch of each spiral blade is fixed, so that the advancing distance of the raw materials pushed by each spiral blade is constant, the fixed advancing mode easily causes the raw materials to receive larger reverse resistance at an inlet and difficult to smoothly enter the spiral conveyor to cause the problem of accumulation and even blockage for the high-viscosity raw materials with larger internal friction force and viscous resistance, and the traditional mixing device generally adopts a method of stirring the raw materials in the central area of the single stirrer. Disclosure of Invention The utility model aims to provide a polyurethane foaming mixing device for preventing blocking, which can solve the defects that the raw materials are easily accumulated at an inlet to cause blocking due to the fact that the screw pitch of a screw blade of a traditional screw feeding device is fixed, and the raw materials near the wall of a container are unevenly mixed due to the fact that the traditional mixing device generally adopts a method of stirring a single stirrer in the central area of the raw materials. The polyurethane foaming mixing device comprises a support and a mixing drum, wherein the mixing drum is arranged on the support and used for mixing materials, a charging drum is communicated with the side surface of the mixing drum, a discharging frame is arranged on the charging drum, a rotating shaft is arranged in the charging drum in a rotating mode, spiral blades are arranged on the rotating shaft and used for conveying the materials in the charging drum into the mixing drum, the distance between the spiral blades close to one side of the mixing drum is smaller than that between the spiral blades far away from one side of the mixing drum, a stirring frame is rotatably arranged in the mixing drum and used for stirring the materials in the mixing drum, a driving mechanism is arranged on the mixing drum and used for driving the rotating shaft and the stirring frame to rotate, a rotating frame is rotatably arranged on the stirring frame and is internally provided with a transmission mechanism, the transmission mechanism is used for reversely transmitting the rotation of the stirring frame to the rotating frame, a movable frame is slidably arranged on the rotating frame, a shovel plate is arranged on the movable frame at intervals and used for overturning the materials, a mechanism is arranged in the mixing drum and used for pressing and moving the movable frame. Further, the driving mechanism comprises a connecting plate, a first motor and a second motor, the connecting plate is arranged on the side face of the mixing barrel, the first motor is arranged on the connecting plate, an output shaft of the first motor is connected with the rotating shaft, the second motor is arranged at the top of the mixing barrel, and an output shaft of the second motor is connected with the stirring frame. Further, the transmission mechanism comprises a first gear, a second gear and a toothed ring, the first gear is arranged on the stirring frame, the second gear is rotatably arranged at the inner top of the mixing barrel, the first gear is meshed with the second gear, the toothed ring is arranged at the top of the rotating frame, and the toothed ring is meshed with the second gear. Further, the pressing mechanism comprises a spring and a ring plate, the spring is connected between the movable frame and the rotating frame, the ring plate is arranged on the inner side of the mixing barrel, and the ring plate is used for pressing the movable frame. Further, the top of the movable frame is an inclined plane, and the inclined plane is used for being in contact with the annular plate, so that the annular plate can extrude the movable frame to move. Further, the heating m