CN222156382U

CN222156382U - Plastic particle foaming device

Info

Publication number: CN222156382U
Application number: CN202420907859.XU
Authority: CN
Inventors: 谢志坤; 陈小林; 黄彬; 黄勇; 魏科学; 钟观文; 郑兵; 谢勇; 张光亮
Original assignee: Chengdu Ruibo Plastic Co ltd
Current assignee: Chengdu Ruibo Plastic Co ltd
Priority date: 2024-04-28
Filing date: 2024-04-28
Publication date: 2024-12-13
Anticipated expiration: 2034-04-28

Abstract

The utility model belongs to the technical field of plastic particle foaming, specifically a plastic particle foaming device, comprising a fixed seat; a stirring tank is arranged above one end of the extrusion barrel, a stirring motor is fixedly installed on the top of the stirring tank, storage tanks are arranged on both sides of the upper part of the stirring tank, a hopper is fixedly installed at the bottom of the storage tank, a discharge pipe is fixedly connected to the bottom of the hopper, a stirring shaft is rotatably arranged inside the stirring tank, a rotating shaft of the stirring motor is fixedly connected to the stirring shaft through a coupling, a plurality of stirring rods are fixedly arranged on both sides of the stirring shaft in parallel, a scraper is fixedly installed at the other end of the stirring rod, a feeding pipe is fixedly installed at the bottom of the stirring tank, a control valve is arranged in the feeding pipe, and the lower end of the feeding pipe is fixedly connected to the upper part of one end of the extrusion barrel; the plastic particles and the foaming agent are mixed uniformly in advance by the stirring tank, and then put into the extrusion barrel for heating and foaming, so that the foaming is more uniform.

Description

Plastic particle foaming device

Technical Field

The utility model relates to the technical field of plastic particle foaming, in particular to a plastic particle foaming device.

Background

Plastic particle foaming is an important plastic processing technology, and mainly adopts a specific technological process to fill micro bubbles in plastic particles, so that the physical properties of the plastic particles, such as density, hardness, sound absorption, heat insulation and the like, are changed. The technology is widely applied to a plurality of fields such as automobiles, buildings, packaging and the like.

The plastic particle foaming device comprises a heating system, an injection molding screw, an expanding agent injection system, a foaming mold and a pneumatic system. Firstly, the heating system is responsible for heating plastic particles to a molten state, the injection screw rod sends the heated molten plastic into a mold, and the expanding agent injection system injects an expanding agent into the molten plastic through a pump and simultaneously injects air with a certain pressure to expand the plastic.

The existing plastic particle foaming device is characterized in that materials are not mixed in advance in the using process, so that foaming is uneven, products are unqualified due to uneven foaming, reworking or production is needed, the production efficiency is further reduced, and therefore the plastic particle foaming device is provided for solving the problems.

Disclosure of utility model

In order to make up for the defects of the prior art, the prior plastic particle foaming device has the problems that the materials are not mixed in advance in the use process, so that the foaming is uneven, the products are unqualified due to the uneven foaming, reworking or re-production is needed, and the production efficiency is further reduced.

The plastic particle foaming device comprises a fixed seat, wherein an extrusion cylinder is fixedly arranged at the upper part of the fixed seat through a mounting seat, a stirring tank is arranged above one end of the extrusion cylinder, a stirring motor is fixedly arranged at the top of the stirring tank, storage tanks are respectively arranged at the lower ends of the upper part of the stirring tank, a hopper is fixedly arranged at the bottom of the storage tank, a rotating shaft is arranged in the hopper, a blanking pipe is fixedly connected to the bottom of the hopper, the lower end of the blanking pipe is fixedly connected to the top of the stirring tank, a stirring shaft is rotatably arranged in the stirring tank, the rotating shaft of the stirring motor is fixedly connected with the stirring shaft through a connecting shaft device, a plurality of stirring rods are fixedly arranged at the upper sides of the stirring shaft in parallel, a scraper blade is fixedly arranged at the other ends of the stirring rods, a control valve is arranged in the feeding pipe, the lower ends of the stirring rods are fixedly connected to the upper parts of one ends of the extrusion cylinders, an injection screw is fixedly arranged at the inner ends of the extrusion cylinders, a rotating shaft of the extrusion cylinder is fixedly provided with an extrusion motor, the rotating shaft is fixedly connected with a sliding table, one end of the extrusion cylinder is fixedly provided with a sliding table, one end of the extrusion motor is fixedly arranged near one end of the sliding table is fixedly arranged at one end of the sliding table, one end of the sliding table is fixedly arranged near the other end of the sliding table, and the other end is fixedly arranged near the sliding plate, and is fixedly arranged at one end of the sliding plate respectively, and is fixedly arranged near one end and is respectively and arranged at one end and is fixedly arranged near the sliding plate and is respectively, the plastic particles and the foaming agent are uniformly mixed in advance through the stirring tank, and then the mixture is put into the extrusion cylinder for heating and foaming, so that the foaming is more uniform.

Preferably, both ends of the rotating shaft are rotatably installed in the hopper through bearings, rotating blades are fixedly installed on the rotating shaft, the rotating blades are rotatably arranged in the hopper, and blanking is performed through the rotating blades to prevent materials from blocking the blanking pipe.

Preferably, a discharging motor is fixedly arranged on one side of the hopper, a rotating shaft of the discharging motor is fixedly connected with one end of the rotating shaft, and the discharging amount of plastic particles and foaming agent is controlled by controlling the rotating speed of the rotating shaft of the discharging motor.

Preferably, a hydraulic cylinder is arranged on one side of the sliding table and fixedly installed on the inner side of the fixed plate, the front end of the piston rod is fixedly connected to one side of the sliding table, and the hydraulic cylinder pushes the sliding table to install and detach the extrusion cylinder and the foaming mold.

Preferably, the slip table opposite side is provided with the waste bin, the through-hole has all been opened to waste bin both sides, waste bin passes through-hole slidable mounting on the slide bar, waste bin lower extreme one side is opened there is the spout, and slidable mounting has the drawer in the spout, collects and clears up waste material that foaming earlier stage and later stage produced through the drawer.

Preferably, a spring is arranged between the waste bin and the mounting seat, the spring is slidably arranged at one end of the sliding rod close to the mounting seat, and the spring is used for automatically ejecting the waste bin when the foaming mould is separated from the extrusion cylinder.

The utility model has the advantages that:

1. When the foaming device is used, the extruding cylinder is heated, the two discharging motors are started to drive the rotating shafts to rotate, the rotating shafts drive the rotating blades to rotate, plastic particles and foaming agents in the storage tanks are respectively put into the stirring tank through the discharging pipes according to a certain proportion under the action of the rotating blades in the two hoppers, the stirring motor is started to drive the stirring shaft to rotate, the stirring shaft drives the stirring rod and the scraping plate to rotate, materials are stirred and mixed, after the mixing is completed, the extruding motor and the control valve are started, the mixed materials in the stirring tank enter the extruding cylinder through the feeding pipe and then are melted and pushed in the extruding cylinder under the action of the injection molding screw, and then are pushed into the foaming mold to foam and mould, so that the premixing function of the materials is realized, the problem that the existing plastic particle foaming device is unqualified in products due to non-advanced mixing of the materials, reworking or production is required in the use process is solved, and the production efficiency is further reduced is further improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of a discharge end structure of a foaming device;

FIG. 2 is a schematic diagram of the structure of the feeding end of the foaming device;

FIG. 3 is a schematic diagram of a loading device;

FIG. 4 is a schematic diagram of a mixing device;

Fig. 5 is a schematic cross-sectional structure of the foaming device.

In the figure, 1, a fixing seat; 2, an extruding cylinder, 3, a stirring tank, 4, a storage tank, 5, a hopper, 6, a blanking motor, 7, a blanking pipe, 8, a rotating shaft, 9, a rotating blade, 10, a stirring motor, 11, a stirring shaft, 12, a stirring rod, 13, a scraping plate, 14, a feeding pipe, 15, a control valve, 16, an extruding motor, 17, an injection molding screw, 18, a sliding rod, 19, a waste box, 20, a spring, 21, a drawer, 22, a sliding table, 23, a foaming die, 24 and a hydraulic cylinder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a plastic particle foaming device comprises a fixing seat 1; the upper part of the fixed seat 1 is fixedly provided with an extruding cylinder 2 through a mounting seat, one end of the extruding cylinder 2 is provided with a stirring tank 3, the top of the stirring tank 3 is fixedly provided with a stirring motor 10, both sides of the upper part of the stirring tank 3 are respectively provided with a storage tank 4, the bottom of the storage tank 4 is fixedly provided with a hopper 5, the inside of the hopper 5 is provided with a rotating shaft 8, the bottom of the hopper 5 is fixedly connected with a blanking pipe 7, the lower end of the blanking pipe 7 is fixedly connected with the top of the stirring tank 3, the inside of the stirring tank 3 is rotationally provided with a stirring shaft 11, the rotating shaft of the stirring motor 10 is fixedly connected with the stirring shaft 11 through a shaft connector, both sides of the stirring shaft 11 are fixedly provided with a plurality of stirring rods 12 in parallel, the other end of the stirring rods 12 is fixedly provided with a scraping plate 13, the bottom of the stirring tank 3 is fixedly provided with a feeding pipe 14, the control valve 15 is arranged in the feeding pipe 14, the lower end of the feeding pipe 14 is fixedly connected to the upper part of one end of the extrusion cylinder 2, an injection molding screw 17 is rotatably arranged in the extrusion cylinder 2, an extrusion motor 16 is fixedly arranged at one end of the extrusion cylinder 2, a rotating shaft of the extrusion motor 16 is fixedly connected with one end of the injection molding screw 17, a discharge hole is formed in the other end of the extrusion cylinder 2, a foaming mold 23 is arranged at one side of the discharge hole, sliding rods 18 are arranged at two sides below the foaming mold 23, a fixed plate is fixedly arranged at the upper part of the fixed seat 1 close to one end of the discharge hole, two ends of the sliding rods 18 are respectively fixedly arranged on a mounting seat and the fixed plate, a sliding table 22 is arranged at the upper part of the fixed seat 1 close to one end of the fixed plate, sliding holes are formed in two sides of the sliding table 22, the sliding table 22 is slidably arranged at one end of the sliding rod 18 through sliding holes, when the foaming device is used, firstly, the extrusion cylinder 2 is heated, meanwhile, the two blanking motors 6 are started to drive the rotating shafts 8 to rotate, the rotating shafts 8 drive the rotating blades 9 to rotate, plastic particles and foaming agents in the storage tanks 4 are respectively put into the stirring tank 3 through the blanking pipes 7 according to a certain proportion under the action of the rotating blades 9, the stirring motor 10 is started to drive the stirring shaft 11 to rotate, the stirring shaft 11 drives the stirring rod 12 and the scraping plate 13 to stir and mix materials, after the mixing is completed, the extrusion motor 16 and the control valve 15 are started, the mixed materials in the stirring tank 3 enter the extrusion cylinder 2 through the feeding pipe 14 and then are melted and propelled in the extrusion cylinder 2 under the action of the injection screw 17, and then the materials are propelled into the foaming die 23 to foam and mould.

When the foaming device is used in work, the rotating shaft 8 rotates to drive the rotating blades 9 to rotate, the rotating blades 9 throw materials in the hopper 5 into the blanking pipe 7 through turning, then the materials enter the stirring tank 3 to be mixed, and the materials piled up together are dispersed through rotation of the rotating blades 9, so that the hopper 5 is prevented from being blocked.

When the foaming device is used, the blanking motor 6 is started to drive the rotating shaft 8 to rotate, and the rotating shaft 8 drives the rotating blades 9 to rotate so as to throw materials in the hopper 5 into the stirring tank 3 through the blanking pipe 7.

The foaming device is characterized in that a hydraulic cylinder 24 is arranged on one side of the sliding table 22 and fixedly installed on the inner side of the fixed plate, the front end of a piston rod is fixedly connected to one side of the sliding table 22, and when the foaming device is used in operation, the hydraulic cylinder 24 is started to pull the sliding table 22 to slide on the sliding rod 18, so that the foaming die 23 is assembled and disassembled.

When the foaming device is used, the hydraulic cylinder 24 pulls the sliding table 22 to move, so that the foaming mould 23 is separated from the extrusion cylinder 2, the waste bin 19 slides along the sliding way until the waste material moves to the lower part of a discharge hole of the extrusion cylinder 2, the waste material in the extrusion cylinder 2 falls into the drawer 21 in the waste bin 19 from the discharge hole under the pushing of the injection molding screw 17 to be collected, and the drawer 21 is taken out to recycle the waste material after the collection.

And when the foaming device is used in operation, when the sliding table 22 moves towards the fixed plate, the spring 20 stretches to push the waste bin 19 to move towards the fixed plate on the sliding rod 18 until the waste bin 19 moves to the position below a discharge hole of the extrusion cylinder 2.

The working principle is that when the foaming device is used, firstly, the extruding cylinder 2 is heated, simultaneously, the two blanking motors 6 are started to drive the rotating shafts 8 to rotate, the rotating shafts 8 drive the rotating blades 9 to rotate, plastic particles and foaming agents in the storage tanks 4 are respectively thrown into the stirring tank 3 through the blanking pipes 7 according to a certain proportion under the action of the rotating blades 9 from the two hoppers 5, the stirring motor 10 is started to drive the stirring shaft 11 to rotate, the stirring shaft 11 drives the stirring rod 12 and the scraping plate 13 to rotate, materials are stirred and mixed, after the mixing is completed, the extrusion motor 16 and the control valve 15 are started, the mixed materials in the stirring tank 3 enter the extruding cylinder 2 through the feeding pipe 14 and then are melted and pushed into the extruding cylinder 2 under the action of the injection molding screw 17, waste materials are generated insufficiently due to insufficient heating of the extruding cylinder 2 in the prior period, the hydraulic cylinder 24 is started to pull the sliding table 22 to be moved on the sliding rod 18, the foaming die 23 and the extruding cylinder 2 are separated, meanwhile, the spring 20 is pushed to move the waste material box 19 onto the fixed plate until the waste material box 19 is moved to the lower part of the extruding cylinder 2, after the mixing is completed, the mixed materials are pushed into the extruding cylinder 2 through the feeding pipe 17, the waste material is pushed into the extruding cylinder 21 to be melted and then discharged through the extrusion cylinder 21, and the waste materials are collected by the waste material is discharged through the drawer 21, and then the waste material is discharged through the extrusion cylinder 23, and the waste material is collected by the extrusion die, and the waste material is discharged through the extrusion cylinder 23.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A plastic particle foaming device is characterized by comprising a fixed seat (1), wherein an extrusion cylinder (2) is fixedly arranged on the upper portion of the fixed seat (1) through a mounting seat, a stirring tank (3) is arranged above one end of the extrusion cylinder (2), a stirring motor (10) is fixedly arranged at the top of the stirring tank (3), a storage tank (4) is arranged on two sides of the upper portion of the stirring tank (3), a hopper (5) is fixedly arranged at the bottom of the storage tank (4), a rotating shaft (8) is arranged in the hopper (5), a blanking pipe (7) is fixedly connected to the bottom of the hopper (5), the lower end of the blanking pipe (7) is fixedly connected to the top of the stirring tank (3), a stirring shaft (11) is rotatably arranged in the stirring tank (3), a rotating shaft of the stirring motor (10) is fixedly connected with the stirring shaft (11) through a connecting shaft, a plurality of stirring rods (12) are fixedly arranged on two sides of the stirring shaft (11) in parallel, a scraping plate (13) is fixedly arranged at the other end of the stirring rod (12), a blanking pipe (14) is fixedly connected to the bottom of the stirring tank (3), a control screw (14) is fixedly arranged at one end of the extrusion cylinder (2), a control screw (14) is fixedly arranged in the injection molding part (17), extrusion cylinder (2) one end fixed mounting has extrusion motor (16), extrusion motor (16) axis of rotation and injection molding screw rod (17) one end fixed connection, extrusion cylinder (2) other end is opened there is the discharge gate, and discharge gate one side is provided with foaming mould (23), foaming mould (23) below both sides all are provided with slide bar (18), fixing base (1) are close to discharge gate one end upper portion fixed mounting and have the fixed plate, slide bar (18) both ends respectively fixed mounting are on mount pad and fixed plate, fixing base (1) are close to fixed plate one end top and are provided with slip table (22), slip table (22) both sides all are opened there is the slide hole, slip table (22) are through slide hole slidable mounting in slide bar (18) one end, foaming mould (23) fixed mounting is in slip table (22) upper portion.

2. The plastic particle foaming device according to claim 1, wherein two ends of the rotating shaft (8) are rotatably arranged in the hopper (5) through bearings, rotating blades (9) are fixedly arranged on the rotating shaft (8), and the rotating blades (9) are rotatably arranged in the hopper (5).

3. The plastic particle foaming device according to claim 1, wherein a blanking motor (6) is fixedly arranged on one side of the hopper (5), and a rotating shaft of the blanking motor (6) is fixedly connected with one end of the rotating shaft (8).

4. The plastic particle foaming device according to claim 1, wherein a hydraulic cylinder (24) is arranged on one side of the sliding table (22) and fixedly installed on the inner side of the fixed plate, and the front end of the piston rod is fixedly connected to one side of the sliding table (22).

5. The plastic particle foaming device according to claim 1, wherein a waste bin (19) is arranged on the other side of the sliding table (22), through holes are formed in two sides of the waste bin (19), the waste bin (19) is slidably mounted on the sliding bar (18) through the through holes, a sliding groove is formed in one side of the lower end of the waste bin (19), and a drawer (21) is slidably mounted in the sliding groove.

6. A plastic particle foaming device according to claim 5, characterized in that a spring (20) is arranged between the waste bin (19) and the mounting seat, and the spring (20) is slidably mounted on one end of the sliding rod (18) close to the mounting seat.