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CN-121989379-A - Plastic winding film production raw material mixer

CN121989379ACN 121989379 ACN121989379 ACN 121989379ACN-121989379-A

Abstract

The invention discloses a plastic winding film production raw material stirrer, which relates to the technical field of plastic winding film production and comprises a stirring barrel body, a main shaft, a driving module, a cooling pipe, a cooling box body, a feeding trough body and a stirring barrel body, wherein the main shaft is vertically arranged in the middle of the stirring barrel body through a bearing, spiral blades are arranged on the periphery of the main shaft, the driving module is arranged at the upper end of the stirring barrel body, the output end of the driving module is in transmission connection with the upper end of the main shaft and is used for driving the main shaft to rotate, the cooling pipe is embedded in the main shaft and is used for introducing cooling medium to take away heat generated in the stirring process, the cooling box body is fixedly arranged at the upper end of the stirring barrel body, and the feeding trough body is arranged at the side part of the lower end of the stirring barrel body and is communicated with the bottom of the stirring barrel body through a through hole. The plastic winding film production raw material stirrer realizes accurate temperature control through the built-in rotary cooling pipe and the closed circulation system, inhibits thermal degradation of raw materials, and utilizes the shaft body to link the piston member and the material limiting plate to synchronously complete cooling, pressurizing and quantitative discharging by single power, thereby improving stirring uniformity, automation level and operation stability.

Inventors

  • YE MING

Assignees

  • 安庆市明盛塑业有限公司

Dates

Publication Date
20260508
Application Date
20260401

Claims (8)

  1. 1. A plastic wrapping film production raw material mixer, characterized by comprising: A stirring barrel body (1); The main shaft (2) is vertically arranged in the middle of the stirring barrel body (1) through a bearing, and the periphery of the main shaft is provided with a spiral blade (3); The driving module (4) is arranged at the upper end of the stirring barrel body (1), and the output end of the driving module is in transmission connection with the upper end of the main shaft (2) and is used for driving the main shaft (2) to rotate; the cooling pipe (5) is embedded in the main shaft (2) and is used for introducing a cooling medium to take away heat generated in the stirring process; The cooling box body (6) is fixedly arranged at the upper end of the stirring barrel body (1), and two ends of the cooling pipe (5) extend into the cooling box body (6); The cooling mechanism is arranged on the cooling box body (6) and is used for cooling the gas in the cooling box body (6); a control module for driving the circulation flow of the cold air; The feeding trough body (12) is arranged at the side part of the lower end of the stirring barrel body (1), and is communicated with the bottom of the stirring barrel body (1) through a through hole (13); the discharging pipe (14) is arranged at the side part of the stirring barrel body (1) and is positioned right above the feeding groove body (12); The material limiting plate (15) is rotatably arranged at the lower end of the material discharging pipe (14) and used for controlling the opening degree of the material discharging; One end of the control piece (16) is connected with the output end of the control module, and the other end of the control piece is hinged with the material limiting plate (15) and is used for driving the material limiting plate (15) to swing back and forth so as to realize the opening and closing of the discharging.
  2. 2. A plastic wrapping film production raw material mixer according to claim 1, characterized in that the drive module (4) comprises a drive motor (41) and a spindle (42); the driving motor (41) is arranged on the side part of the upper end of the stirring barrel body (1), and the lower end of the rotating shaft (42) is connected with the output end of the driving motor (41) in a key way; a transmission belt assembly (43) is arranged between the rotating shaft (42) and the main shaft (2).
  3. 3. The plastic winding film production raw material mixer according to claim 1, wherein the cooling pipe (5) is of a U-shaped structure, an air inlet end (51) and an air outlet end (52) are respectively arranged at two ends of the cooling pipe (5), a sleeve body (53) is fixedly sleeved on the outer side of the air outlet end (52), the sleeve body (53) is rotatably connected with the cooling box body (6) through a sealing bearing, and the sleeve body (53) and the main shaft (2) are coaxially arranged.
  4. 4. The plastic winding film production raw material mixer according to claim 3, wherein the cooling box body (6) is internally provided with a first chamber (61), a second chamber (62), a first diversion trench (63) and a second diversion trench (64); the first chamber (61) and the second chamber (62) are distributed up and down; the air outlet end (52) stretches into the first chamber (61), and the air inlet end (51) stretches into the second chamber (62); The first diversion trench (63) is communicated with the second diversion trench (64), and the inside of the first diversion trench (63) is in an S-shaped runner; The first chamber (61) is communicated with the first diversion trench (63) through one-way valve (7), the second chamber (62) is communicated with the second diversion trench (64) through the other one-way valve (7), and the conduction directions of the two one-way valves (7) are opposite to form a one-way circulation loop.
  5. 5. The plastic winding film production raw material mixer according to claim 4, wherein the cooling mechanism comprises a refrigerating module (8) and a refrigerating sheet; the refrigerating module (8) is arranged outside the cooling box body (6) and is connected with the refrigerating sheet through a refrigerant pipeline; The refrigerating sheets are embedded in the inner walls of the first diversion trench (63) and the second diversion trench (64) and are used for forcedly cooling the circulating air flow.
  6. 6. The plastic winding film production raw material mixer according to claim 1, wherein the control module comprises a shaft body (9) and a transmission gear set (11); The shaft body (9) is arranged on the outer wall of the stirring barrel body (1) through a bearing, a first reciprocating screw rod (91) is fixed at the upper end of the shaft body, and a second reciprocating screw rod (92) is fixed at the lower end of the shaft body; the transmission gear set (11) comprises two gears meshed with each other, one gear is fixedly sleeved on the periphery of the shaft body (9), and the other gear is mounted on the outer wall of the stirring barrel body (1) through a bearing and connected with the end part of the motor and used for driving the shaft body (9) to rotate.
  7. 7. The plastic wound film raw material mixer according to claim 6, wherein the control module further comprises a piston member (10), the piston member (10) comprising a piston plate (101) and a connecting column (102); The piston plate (101) is vertically attached to the inside of the cooling box body (6), the connecting column (102) is fixedly installed at the lower end of the piston plate (101), and the connecting column (102) is sleeved on the outer side of the first reciprocating screw rod (91) in a threaded mode.
  8. 8. The plastic wrapping film raw material mixer according to claim 6, wherein the control member (16) includes a movable plate (161), a limiting plate (162) and a connecting plate (163); The movable plate (161) is sleeved on the outer side of the second reciprocating screw rod (92) in a threaded manner; The limiting plate (162) is fixedly arranged on the outer wall of the stirring barrel body (1), and the movable plate (161) is vertically sleeved outside the limiting plate (162) in a fitting way; Two ends of the connecting plate (163) are respectively hinged with the end part of the movable plate (161) and the end part of the material limiting plate (15); When the shaft body (9) rotates, the movable plate (161) moves up and down along the second reciprocating screw rod (92), and the connecting plate (163) drives the material limiting plate (15) to swing in a reciprocating manner, so that the periodic opening and closing of the material outlet are realized.

Description

Plastic winding film production raw material mixer Technical Field The invention relates to the technical field of plastic winding film production, in particular to a raw material stirrer for plastic winding film production. Background The plastic winding film is widely applied to the fields of logistics, storage and industrial packaging, the production of the plastic winding film has extremely high requirements on the mixing uniformity and the thermal stability of raw materials, the raw materials are mostly high-viscosity and low-thermal conductivity materials, and the plastic winding film is extremely easy to generate local high temperature due to strong shearing friction in the stirring process, so that partial resin is softened, melted and agglomerated, even thermooxidative degradation occurs, and the performances such as transparency, tensile strength and the like of the subsequent extrusion film are seriously influenced. The traditional stirring equipment generally lacks an effective temperature control means, only depends on barrel wall jacket water cooling or intermittent shutdown heat dissipation, has low cooling efficiency and delayed response, and is difficult to meet the process requirements of high-quality winding film production. The existing stirrer also has obvious short plates in structural design. On one hand, the cooling system is mostly static and external, the cooling medium cannot directly contact the core heating areas such as the main shaft, the blades and the like, the heat exchange path is long and the efficiency is poor, and on the other hand, the discharging mechanism usually adopts a manual flashboard or a pneumatic valve, cannot be dynamically cooperated with the stirring process, and is easy to cause uneven discharging, residual accumulation or blockage. We have therefore proposed a plastic wrap film production stock mixer in order to solve the problems set out above. Disclosure of Invention 1. The invention aims to solve the technical problems that: The invention aims to provide a plastic winding film production raw material mixer for solving the problems in the current market, which are presented by the background technology. 2. The technical scheme is as follows: in order to achieve the purpose, the invention provides the following technical scheme that the plastic winding film production raw material stirrer comprises: A stirring barrel body; The main shaft is vertically arranged in the middle of the stirring barrel body through a bearing, and a helical blade is arranged on the periphery of the main shaft; the driving module is arranged at the upper end of the stirring barrel body, and the output end of the driving module is in transmission connection with the upper end of the main shaft and is used for driving the main shaft to rotate; the cooling pipe is embedded in the main shaft and is used for introducing a cooling medium to take away heat generated in the stirring process; The cooling box body is fixedly arranged at the upper end of the stirring barrel body, and two ends of the cooling pipe extend into the cooling box body; The cooling mechanism is arranged on the cooling box body and used for cooling the gas in the cooling box body; a control module for driving the circulation flow of the cold air; The feeding trough body is arranged at the side part of the lower end of the stirring barrel body and is communicated with the bottom of the stirring barrel body through a through hole; The discharging pipe is arranged at the side part of the stirring barrel body and is positioned right above the feeding groove body; the material limiting plate is rotatably arranged at the lower end of the material discharging pipe and used for controlling the opening degree of the material discharging; one end of the control piece is connected with the output end of the control module, and the other end of the control piece is hinged with the material limiting plate and is used for driving the material limiting plate to swing reciprocally so as to realize the opening and closing of the discharging. Further, the driving module comprises a driving motor and a rotating shaft; the driving motor is arranged on the side part of the upper end of the stirring barrel body, and the lower end of the rotating shaft is connected with the output end of the driving motor in a key manner; and a transmission belt component is arranged between the rotating shaft and the main shaft. Through the technical scheme, after the driving motor is started, the spindle can be driven to synchronously rotate through the rotating shaft and the driving belt component. Further, the cooling tube is "U" type structure, the both ends of cooling tube are provided with into wind end and air-out end respectively, the outside fixed cover of air-out end is equipped with the cover body, the cover body passes through sealed bearing and is connected with the cooling box rotation, and the cover body sets up with the main shaft is co