CN215849500U

CN215849500U - Rapid injection molding system

Info

Publication number: CN215849500U
Application number: CN202121208272.2U
Authority: CN
Inventors: 周小平; 朱伟锋; 刘志毅; 黄光照
Original assignee: Jiangxi Botel Industry Co ltd
Current assignee: Jiangxi Botel Industry Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2022-02-18
Anticipated expiration: 2031-06-01

Abstract

The utility model provides a change system of moulding plastics fast, wherein the syringe provides the material by the auger delivery ware in the feed cylinder and carries the function, and the feed cylinder tail end is located to the feed bin, and the heater wraps up in the feed cylinder outer wall, preheats a section of thick bamboo and overlaps outside the feed cylinder through two bearings, is equipped with the helical tooth on its middle section inner wall, drives the rotation through drive arrangement simultaneously, and drive arrangement installs in the feed cylinder tail end. Utilize the preheating cylinder structure that the outside parcel of heater set up, make the heater obtain the centralized utilization towards the heat of outside diffusion when carrying out the melting operation of moulding plastics, it drives the rotation of preheating cylinder with drive arrangement to store heat through the heat preservation coating, make the granule material between preheating cylinder and the feed cylinder obtain the intensive heating and constantly roll the whipping by the helical tooth, and then can accomplish down in the operation of moulding plastics and criticize the material for a long time under same equipment, abundant, even preheating effect, obtain the good dry material of quality, practice thrift a large amount of electric energy costs simultaneously, and through the heating, the synchronous operation of preheating effectively improves the production efficiency of the operation of moulding plastics.

Description

Rapid injection molding system

Technical Field

The utility model belongs to the technical field of injection molding production, and particularly relates to a rapid injection molding system.

Background

The injection molding system generally adopts the technology of melting and transporting plastic particles through the heating and spiral conveying functions of an injector, and then injecting the plastic particles into a mold cavity for cooling and shaping, has wide application in modern industrial production, and generally adopts drying measures for particle materials for several hours to ensure the purity and quality of injection molding liquid when the existing injection molding system completes a whole injection molding process, and then the particle materials can be put into an injection molding machine for melting and injection; even if the early-stage drying operation time reaches the standard, a small part of residual materials are still not completely dried due to particle accumulation, and although the residual moisture is small, the phenomenon of flowing occurs during the operation of a nozzle of an injection molding machine, so that the normal injection molding processing work is interfered; if the thorough drying is ensured, secondary drying treatment is additionally needed, so that the production efficiency is reduced, and a large amount of power energy consumption is caused. Therefore, a new technical solution is needed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a rapid injection molding system which is used for rapidly and completely drying injection molding materials and improving the quality and efficiency of injection molding operation.

The utility model is implemented by the following technical scheme: a rapid injection molding system comprises an injector, a storage bin, a heater, a preheating cylinder, two bearings and a driving device. The injector is provided with a material conveying function by a screw conveyor in a charging barrel, and the storage bin is arranged at the tail end of the charging barrel; the heater wraps and fits on the outer wall of the charging barrel, two ends of the preheating barrel are sleeved outside the charging barrel through two bearings, a cavity is formed between the middle section of the preheating barrel and the outer wall of the charging barrel, spiral teeth are arranged on the inner wall of the middle section of the preheating barrel, the preheating barrel is driven to rotate through the driving device, and the driving device is installed at the tail end of the outer wall of the charging barrel.

Furthermore, the inner side surface of the end part of the preheating cylinder is provided with a tooth surface, and the driving device is connected with a gear through a motor output shaft, so that the gear and the tooth surface of the preheating cylinder form a meshing transmission relationship.

Furthermore, a material door with an opening and closing function is arranged on the outer wall of the preheating cylinder.

Furthermore, a plurality of exhaust holes are formed in the outer wall of the preheating cylinder.

Furthermore, the outer layer of the outer wall of the preheating cylinder is provided with a heat-insulating coating.

The utility model has the beneficial effects that: the device utilizes a preheating cylinder structure wrapped outside the heater to intensively utilize heat diffused towards the outside when the heater performs injection molding melting operation, drives the preheating cylinder to rotate through a heat-insulating coating heat storage and driving device, fully heats granular materials between the preheating cylinder and the charging cylinder and is continuously rolled and whipped by the spiral teeth, and further can complete long-term, full and uniform preheating effect on next batch of materials under the same equipment during injection molding operation, so as to obtain dry materials with excellent quality and guarantee the quality of finished products; and because the preheating energy is the secondary utilization of the injection molding heat energy, a large amount of electric energy consumption cost can be saved, the production efficiency of injection molding operation is effectively improved through the synchronous operation of heating and preheating, and the injection molding machine has better economic and practical values.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the operation of the present invention.

In the figure: 1-injector, 1 a-charging barrel, 1 b-screw conveyer, 2-storage bin, 3-heater, 4-preheating barrel, 4 a-helical tooth, 4 b-charging door, 4 c-tooth surface, 4 d-exhaust hole, 5-bearing, 6-driving device, 6 a-motor and 6 b-gear.

Detailed Description

The utility model is described in further detail below with reference to the drawings.

As shown in figure 1, the rapid injection molding system comprises an injector 1, a bin 2, a heater 3, a preheating cylinder 4, a bearing 5 and a driving device 6. Wherein, the injector 1 is provided with a material conveying function by a screw conveyor 1b in a cylinder 1a, and the bin 2 is arranged at the tail end of the cylinder 1 a; the heater 3 is wrapped and attached on the outer wall of the charging barrel 1a, two ends of the preheating barrel 4 are sleeved outside the charging barrel 1a through two bearings 5, a cavity is formed between the middle section of the preheating barrel 4 and the outer wall of the charging barrel 1a, spiral teeth 4a are arranged on the inner wall of the middle section of the preheating barrel 4, and meanwhile, the preheating barrel 4 is driven to rotate through the driving device 6; the driving device 6 is arranged at the tail end of the outer wall of the charging barrel 1 a; in addition, the inner side surface of the end part of the preheating cylinder 4 is provided with a tooth surface 4c, the outer wall of the preheating cylinder 4 is also provided with a material door 4b with an opening and closing function, meanwhile, the outer wall of the preheating cylinder 4 is provided with a plurality of exhaust holes 4d, and the outer layer of the outer wall of the preheating cylinder is also provided with a heat-insulating coating; the driving device 6 is connected with a gear 6b through an output shaft of a motor 6a, so that the gear 6b is in meshing transmission relationship with the tooth surface 4c of the preheating cylinder 4.

The device comprises the following working steps:

s1: drying a first batch of materials in advance through a drying device, and then putting the first batch of materials into the charging barrel 1a through the storage bin 2; the heater 3 and the screw conveyor 1b heat and melt the first batch of granular materials and perform injection molding operation. Meanwhile, as shown in fig. 2, a material door 4b is opened to put a second batch of plastic particle materials into the cavity between the preheating cylinder 4 and the charging barrel 1a, the material door 4b is closed to ensure that the reverse residual heat of the heater 3 is transferred into the cavity, and heat is stored through the heat-insulating layer of the preheating cylinder 4; meanwhile, the driving device 6 is started to drive the motor 6a to drive the preheating cylinder 4 to rotate through the meshing of the gear 6b and the gear surface 4c, so that the particle materials in the cavity are uniformly heated and rolled under the stirring action of the spiral teeth 4a, and then moisture is discharged through the exhaust holes 4d in the outer wall of the preheating cylinder 4, and then the preheating and drying operation is carried out on the second batch of particle materials while the first batch of particle materials are melted and injected.

S2: when the first batch of granular materials are completely injected and molded, the second batch of granular materials also obtain sufficient preheating and drying effects, the driving power supply of the heater 3 is closed, the operation of the screw conveyor 1b and the motor 6a is stopped in sequence, the material door 4b is opened, the second batch of granular materials which are preheated and dried are taken out and put into the charging barrel 1a through the bin 2; and then, a third batch of undried granular materials are put in through the material door 4b, the heater 3, the screw conveyor 1b and the motor 6a are started again, so that the second batch of granular materials are melted and injected, and the third batch of granular materials are dried, the synchronous operation of injection molding and preheating is realized, and the efficient and energy-saving batch production work is realized.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, and any modifications and equivalents made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. The utility model provides a rapid injection molding system, includes syringe, feed bin, heater, preheating cylinder, two bearings, drive arrangement, its characterized in that, the syringe provides the material by the auger delivery ware in the feed cylinder and carries the function, the feed bin is located the feed cylinder tail end, the heater parcel laminate in on the feed cylinder outer wall, preheating cylinder both ends are through two outside the bearing housing fits the feed cylinder to in middle section position and feed cylinder outer wall vacuole formation, be equipped with the helical tooth on the inner wall in preheating cylinder middle section, preheating cylinder passes through simultaneously drive arrangement drives the rotation, and drive arrangement installs in the tail end of feed cylinder outer wall.

2. A rapid injection molding system according to claim 1, wherein the preheating cylinder has a tooth surface on the inner side surface of the end portion thereof, and the driving device is connected to a gear through an output shaft of the motor, so that the gear and the tooth surface of the preheating cylinder are in a meshing transmission relationship.

3. A rapid injection molding system according to claim 1, wherein the preheating cylinder has a material gate with an opening and closing function on its outer wall.

4. A rapid injection molding system according to claim 1, wherein the outer wall of the pre-heater is provided with a plurality of vent holes.

5. A rapid injection molding system according to claim 1, wherein the outer layer of the outer wall of the preheating cylinder is provided with a thermal insulation coating.