CN216578704U - Plastics rice screw extruder - Google Patents

Abstract

The utility model discloses a plastic rice screw extruder, which belongs to the technical field of screw extruders and comprises a workbench, a motor box and a plasticizing pipe, wherein the left side of the workbench is fixedly connected with the motor box, the right side of the motor box is fixedly connected with the plasticizing pipe, the right side of the plasticizing pipe is fixedly connected with a cooling pipe, the top of the plasticizing pipe is fixedly connected with a feed hopper, a driving motor is arranged in the motor box, the output end of the driving motor is fixedly connected with a screw, the right end of the screw extends into the plasticizing pipe, one end of the plasticizing pipe, which is close to the cooling pipe, is communicated with a discharge pipe, one side of the cooling pipe, which is far away from the discharge pipe, is provided with a discharge hole, the top of the cooling pipe is communicated with a water inlet pipe, the water inlet pipe extends into the cooling pipe and is communicated with a drainage pipe, the bottom of the drainage pipe is provided with a plurality of atomizing nozzles at intervals, the bottom of the cooling pipe is communicated with a water outlet pipe, and a conveying device is arranged in the cooling pipe, the utility model can prevent extruded molten plastic from being adhered to the screw extruder, the production efficiency is improved.

Description

Plastics rice screw extruder

Technical Field

The utility model relates to the technical field of screw extruders, in particular to a plastic rice screw extruder.

Background

Screw extruders are classified into cold-feed screw extruders and hot-feed screw extruders, both of which are used for extruding rubber semi-products and products. The cold feeding screw extruder can feed rubber without hot refining, and the rubber is heated and plasticized through the actions of screw extrusion, shearing, stirring and the like and is continuously extruded from a die. The discharge end of the existing screw extruder is lack of a cooling device for extruded plastics, the extruded plastics fall into a water tank below the extruder under the condition of softness and unshaped shape by self gravity, and the plastics just extruded are easily adhered to the extruder in the process, so that the extruder is dirtied and the production efficiency is reduced.

Based on the above, the utility model designs a plastic rice screw extruder to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a plastic rice screw extruder to solve the technical problem.

In order to achieve the purpose, the utility model provides the following technical scheme: a plastic rice screw extruder comprises a workbench, a motor box and a plasticizing pipe, wherein the motor box is fixedly connected to the left side of the workbench, the right side of the motor box is fixedly connected with a plasticizing pipe, the right side of the plasticizing pipe is fixedly connected with a cooling pipe, the top of the plasticizing pipe is fixedly connected with a feed hopper, a driving motor is arranged in the motor box, the output end of the driving motor is fixedly connected with a screw rod, the right end of the screw rod extends into the plasticizing pipe, one end of the plasticizing pipe, which is close to the cooling pipe, is communicated with a discharge pipe, a discharge hole is arranged on one side of the cooling pipe away from the discharge pipe, the top of the cooling pipe is communicated with a water inlet pipe, the water inlet pipe extends to the interior of the cooling pipe and is communicated with a drainage pipe, a plurality of atomizing nozzles are arranged at the bottom of the drainage pipe at intervals, the bottom of the cooling pipe is communicated with a water outlet pipe, and a conveying device is arranged in the cooling pipe.

Preferably, the conveyer includes pivot, roller, conveyer belt, the inside both ends level of cooling tube is provided with the pivot, roller fixed connection is in the pivot outside, the conveyer belt cover is located the roller outside, the pivot is rotated and is connected in the cooling tube lateral wall, the pivot extends to the cooling tube outer wall and is connected with drive arrangement.

Preferably, drive arrangement includes fixed mounting and is in last conveying motor of work platform, conveying motor output end fixedly connected with first belt pulley, the one end fixedly connected with second belt pulley that the pivot is located the cooling tube outer wall, first belt pulley passes through belt transmission and connects the second belt pulley.

Preferably, the conveyer belt set up in the discharging pipe below, the discharge gate is close to conveyer belt one side fixedly connected with transition platform.

Preferably, a heat insulation layer is fixedly connected between the cooling pipe and the plasticizing pipe, and the discharge pipe penetrates through the heat insulation layer and extends into the cooling pipe.

Compared with the prior art, the utility model has the beneficial effects that:

when the cooling device is used, molten plastic enters the cooling pipe through the discharge pipe, cooling water is sprayed out of the atomizing nozzles and is sprayed on the molten plastic to enable the molten plastic to be rapidly cooled and solidified, then the plastic falls on the conveying belt, the conveying belt conveys the primarily solidified plastic to the outside of the cooling pipe at the same speed as the discharge speed of the discharge pipe, extruded plastic strips are prevented from being accumulated in the cooling pipe, in the process, the plurality of atomizing nozzles on the drainage pipe continuously spray cooling water mist to cool the plastic, the molten plastic is primarily cooled and solidified by the atomized cooling water before falling, so the plastic cannot be adhered to the conveying belt when falling on the conveying belt, the conveying of the extruded plastic is kept, and the production efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic overall front view structure diagram of the present embodiment;

FIG. 2 is a schematic top view of the present embodiment;

FIG. 3 is a partial enlarged structural view of the embodiment A;

fig. 4 is a schematic sectional view of the cooling pipe according to the present embodiment.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a work table; 2. a motor case; 21. a drive motor; 3. a plasticizing pipe; 31. a feed hopper; 32. a discharge pipe; 4. a thermal insulation layer; 5. a cooling tube; 51. a transition table; 52. a discharge port; 6. A transfer motor; 61. a first pulley; 62. a belt; 63. a second pulley; 7. a water inlet pipe; 71. a drainage tube; 72. an atomizing nozzle; 73. a water outlet pipe; 8. a rotating shaft; 9. a roller; 10. And (4) a conveyor belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

a plastic rice screw extruder comprises a workbench 1, a motor box 2 and a plasticizing pipe 3, wherein the motor box 2 is fixedly connected to the left side of the workbench 1, the plasticizing pipe 3 is fixedly connected to the right side of the motor box 2, a cooling pipe 5 is fixedly connected to the right side of the plasticizing pipe 3, a feed hopper 31 is fixedly connected to the top of the plasticizing pipe 3, a driving motor 21 is installed in the motor box 2, a screw is fixedly connected to the output end of the driving motor 21, the right end of the screw extends into the plasticizing pipe 3, a discharge pipe 32 is communicated with one end of the plasticizing pipe 3 close to the cooling pipe 5, a discharge hole 52 is formed in one side of the cooling pipe 5 far away from the discharge pipe 32, a water inlet pipe 7 is communicated with the top of the cooling pipe 5, the water inlet pipe 7 extends into the cooling pipe 5 and is communicated with a drainage pipe 71, a plurality of atomizing nozzles 72 are arranged at intervals at the bottom of the drainage pipe 71, a water outlet pipe 73 is communicated with the bottom of the cooling pipe 5, and a transportation device is arranged in the cooling pipe 5, in the embodiment, the drainage tube 71 is arranged along the length direction of the cooling tube 5, the bottom of the drainage tube 71 is connected with ten atomizing nozzles 72, the feed hopper 31 is positioned at one end of the top of the plasticizing tube 3 close to the driving motor 21, when in use, plastic rice particles are poured from the feed hopper 31 and enter the plasticizing tube 3 from the feed hopper 31, meanwhile, the screw rod is driven by the driving motor 21 to rotate, the plastic rice particles are pushed towards the interior of the plasticizing tube 3, the plastic rice is melted and mixed in the plasticizing tube 3, and finally extruded from the discharge tube 32 and enter the cooling tube 5, and then enter the cooling tube 5, cooling water in the water inlet tube 7 flows into the drainage tube 71 and is sprayed out from the atomizing nozzles at the bottom of the drainage tube 71, and the atomized cooling water is sprayed on the molten plastic just extruded from the discharge tube 32 to enable the molten plastic to be primarily cooled and solidified, and the molten plastic is continuously extruded from the discharge tube 32 along with the rotation of the screw rod, the first extruded part falls on the conveyor below the extrusion pipe and is conveyed towards the discharge port 52 of the cooling pipe 5, and the sprayed cooling water is discharged from the water outlet pipe 73 at the bottom of the cooling pipe 5.

Preferably, conveyer includes pivot 8, roller 9, conveyer belt 10, the inside both ends level of 5 cooling tubes is provided with pivot 8, 9 fixed connection in the 8 outsides of pivot of roller, 9 outsides of roller are located to 10 covers of conveyer belt, 8 rotation of pivot are connected in 5 lateral walls of cooling tube, 8 outer walls of pivot extend to 5 and are connected with drive arrangement of cooling tube, 8 pivot in this embodiment are installed at 5 lateral walls of cooling tube through the bearing, 9 covers of roller are established in the 8 outsides of pivot and coaxial with pivot 8, it rotates to drive 9 rollers when 8 rotations of pivot, 9 rotations of roller drive conveyer belt 10 rotates.

Preferably, drive arrangement includes the conveying motor 6 of fixed mounting on work platform, conveying motor 6 output end fixedly connected with first belt pulley 61, the one end fixedly connected with second belt pulley 63 of pivot 8 position in 5 outer walls of cooling tube, first belt pulley 61 passes through belt 62 transmission and connects second belt pulley 63, conveying motor 6 in this embodiment drives first belt pulley 61 and rotates, it rotates to drive second belt pulley 63 through belt 62, second belt pulley 63 drives pivot 8 and rotates, pivot 8 drives roller 9 and rotates, roller 9 drives conveyer belt 10 and operates, conveying motor 6 drives conveyer belt 10 and rotates with the speed that is not fast in discharging pipe 32 discharge speed, thereby prevent to tear the strip molten plastics of extruding discharging pipe 32 apart.

Preferably, the conveyor belt 10 is disposed below the discharge pipe 32, one side of the discharge port 52 close to the conveyor belt 10 is fixedly connected with the transition table 51, and the height from the ground of the top surface of the transition table 51 in this embodiment is not higher than the height from the ground of the upper surface of the transfer belt, so that the extruded strip-shaped plastic can smoothly reach the transition table 51 and reach the discharge port 52 from the transition table 51.

Preferably, a heat insulation layer 4 is fixedly connected between the cooling pipe 5 and the plasticizing pipe 3, and the discharge pipe 32 penetrates through the heat insulation layer 4 and extends into the cooling pipe 5, and the heat insulation plate in the embodiment is used for separating heat conduction between the plasticizing pipe 3 and the cooling pipe 5, so that the discharge end of the plasticizing pipe 3 is prevented from being influenced by the lower temperature of the cooling pipe 5, the temperature of the discharge end of the plasticizing pipe 3 is reduced, and the plastic extrusion effect is influenced.

One specific application of this embodiment is:

during the use, in the fused plastics passed through discharging pipe 32 entering cooling tube 5, cooling water drenches from atomizing nozzle 72 and makes its rapid cooling solidification on the fused plastics, then plastics drop on conveyer belt 10, conveyer belt 10 transports the plastics of preliminary solidification to the cooling tube 5 outside with the speed that is not less than discharging pipe 32 discharge rate, prevent that the plastic strip of extruding from piling up inside cooling tube 5 or tearing the plastic strip apart, at this in-process, a plurality of atomizing nozzle 72 on drainage tube 71 continue to spout the cooling water fog and cool off plastics, because the fused plastics have been carried out preliminary cooling by the atomizing cooling water before dropping, the solidification, consequently, the plastics of extruding can not adhere on conveyer belt 10 and cooling tube 5, the cleanness of equipment has been maintained, and thereby reduce the time of manual handling the plastics that adhere on equipment and improve production efficiency.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate agent, and may be used for communicating the inside of two elements or interacting relation of two elements, unless otherwise specifically defined, and the specific meaning of the terms in the present invention can be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a plastics rice screw extruder, includes workstation (1), motor case (2), plastify pipe (3), its characterized in that: the automatic feeding device is characterized in that a motor box (2) is fixedly connected to the left side of the workbench (1), a plasticizing pipe (3) is fixedly connected to the right side of the motor box (2), a cooling pipe (5) is fixedly connected to the right side of the plasticizing pipe (3), a feeding hopper (31) is fixedly connected to the top of the plasticizing pipe (3), a driving motor (21) is installed in the motor box (2), a screw rod is fixedly connected to the output end of the driving motor (21), the right end of the screw rod extends into the plasticizing pipe (3), a discharging pipe (32) is communicated with one end, close to the cooling pipe (5), of the plasticizing pipe (3), a discharging port (52) is formed in one side, away from the discharging pipe (32), of the cooling pipe (5), a water inlet pipe (7) is communicated with the top of the cooling pipe (5), the water inlet pipe (7) extends into the cooling pipe (5) and is communicated with a drainage pipe (71), and a plurality of atomizing nozzles (72) are arranged at the bottom of the drainage pipe (71) at intervals, the bottom of the cooling pipe (5) is communicated with a water outlet pipe (73), and a conveying device is arranged in the cooling pipe (5).

2. A plastic rice screw extruder according to claim 1, characterized in that: conveyer includes pivot (8), roller (9), conveyer belt (10), the inside both ends level of cooling tube (5) is provided with pivot (8), roller (9) fixed connection is in the pivot (8) outside, conveyer belt (10) cover is located the roller (9) outside, pivot (8) rotate to be connected in cooling tube (5) lateral wall, pivot (8) extend to cooling tube (5) outer wall and are connected with drive arrangement.

3. A plastic rice screw extruder according to claim 2, characterized in that: drive arrangement includes fixed mounting and is in last conveying motor (6) of work platform, conveying motor (6) output end fixedly connected with first belt pulley (61), one end fixedly connected with second belt pulley (63) that pivot (8) are located cooling tube (5) outer wall, second belt pulley (63) are connected in first belt pulley (61) through belt (62) transmission.

4. A plastic rice screw extruder according to claim 2, characterized in that: the conveyer belt (10) set up in discharging pipe (32) below, discharge gate (52) are close to conveyer belt (10) one side fixedly connected with transition platform (51).

5. A plastic rice screw extruder according to claim 1, characterized in that: and a heat insulation layer (4) is fixedly connected between the cooling pipe (5) and the plasticizing pipe (3), and the discharge pipe (32) penetrates through the heat insulation layer (4) and extends into the cooling pipe (5).

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