CN218777001U

CN218777001U - Clean feed mechanism in vacuum of high temperature plastics injection molding

Info

Publication number: CN218777001U
Application number: CN202222777566.8U
Authority: CN
Inventors: 强音; 李德平
Original assignee: Shanghai Lindun Molding Technology Co ltd
Current assignee: Shanghai Lindun Molding Technology Co ltd; Huawei Technologies Co Ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-03-31
Anticipated expiration: 2032-10-20

Abstract

The utility model discloses a clean feed mechanism in vacuum of high temperature plastics moulding plastics, including storage hopper, storage hopper's bottom is equipped with the inlet pipe of being connected with the feed inlet of injection molding machine, be equipped with sealed feed mechanism between storage hopper and the inlet pipe, sealed feed mechanism is including setting up the spacing pipe that the cross-section is the rectangle, just the inside of spacing pipe is equipped with spacing sliding chamber, just the inside of spacing sliding chamber is equipped with the pay-off ejector pad that removes along spacing sliding chamber, the middle part of pay-off ejector pad is equipped with the pay-off recess, the upper surface and the lower surface of pay-off recess are the opening, the tip of spacing pipe is equipped with electric putter, just electric putter's flexible end is fixed mutually with the tip of pay-off ejector pad. The utility model discloses be in the closure state all the time between storage hopper and the inlet pipe to avoided having gas to escape to the external world from storage hopper in the feeding process, and caused the pollution to external operational environment.

Description

High-temperature plastic injection vacuum clean feeding mechanism

Technical Field

The utility model relates to a plastics technical field that moulds plastics specifically is a clean feed mechanism in vacuum of high temperature plastics moulding plastics.

Background

The injection molding machine, also known as an injection molding machine and an injection machine, has the main function of plasticizing thermoplastic plastics and thermosetting materials, injecting the plasticized thermoplastic plastics and thermosetting materials into a fixed mold, and manufacturing various plastic products. The high-temperature plastic injection molding machine is produced according to the better requirement of the temperature of the partially molten plastic material; the feeding device of the existing high-temperature plastic injection molding machine is opened, so that gas conveyed by a conveyor belt in the plastic melting process can be emitted to the working environment through a feeding hole, and the working environment is polluted. Therefore, we improve the above and propose a vacuum clean feeding mechanism for high-temperature plastic injection molding.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a clean feed mechanism in vacuum of high temperature plastics moulding plastics, including storage hopper, storage hopper's bottom is equipped with the inlet pipe of being connected with the feed inlet of injection molding machine, be equipped with sealed feed mechanism between storage hopper and the inlet pipe, sealed feed mechanism is including setting up the spacing pipe that the cross-section is the rectangle, just the inside of spacing pipe is equipped with spacing smooth chamber, just the inside of spacing smooth chamber is equipped with the pay-off ejector pad that removes along spacing smooth chamber, the middle part of pay-off ejector pad is equipped with the pay-off recess, the upper surface and the lower surface of pay-off recess are the opening, the tip of spacing pipe is equipped with electric putter, just electric putter's flexible end is fixed mutually with the tip of pay-off ejector pad.

As an optimized technical scheme of the utility model, the internal diameter of pay-off recess is less than the internal diameter of inlet pipe.

As the utility model discloses an optimal technical scheme, when the discharge gate intercommunication of pay-off recess and storage hopper bottom, then the pay-off ejector pad carries out the closing cap to the tip of inlet pipe.

As a preferred technical scheme of the utility model, when the tip intercommunication of pay-off recess and inlet pipe, then the pay-off ejector pad carries out the closing cap to the discharge gate of storage hopper bottom.

As a preferred technical proposal of the utility model, the surface of the feeding push block is provided with a sealing layer contacted with the inner wall of the limiting slide cavity; the sealing layer is a silica gel layer

As the utility model discloses a preferred technical scheme, be equipped with vibration ejection of compact motor on storage hopper's the outer wall.

As an optimized technical scheme of the utility model, the interior profile of pay-off recess corresponds with the interior profile of inlet pipe.

The beneficial effects of the utility model are that:

the high-temperature plastic injection vacuum clean feeding mechanism is characterized in that a sealed feeding mechanism is arranged between a storage hopper and a feeding pipe, wherein a feeding push block is driven by an electric push rod to move along a sliding cavity, the feeding push block covers the end part of the feeding pipe when a feeding groove is communicated with the discharge hole at the bottom of the storage hopper, the material falls into the feeding groove at the moment, then the feeding push block covers the discharge hole at the bottom of the storage hopper when the feeding groove is communicated with the end part of the feeding pipe in the pushing process of the electric push rod, the material in the feeding groove falls into an injection molding machine at the moment, and the storage hopper and the feeding pipe are always in a closed state in the process, so that the phenomenon that gas escapes from the storage hopper to the outside in the feeding process and pollutes the external working environment is avoided, the internal vacuum state of the injection molding machine cannot be changed, and the quantitative feeding effect is achieved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the butt joint of a feeding groove and a storage hopper of the high-temperature plastic injection vacuum clean feeding mechanism of the utility model;

FIG. 2 is a schematic view of the feeding state of the vacuum clean feeding mechanism for high-temperature plastic injection molding according to the present invention;

fig. 3 is a schematic structural view of a feeding groove of the high-temperature plastic injection vacuum clean feeding mechanism of the present invention.

In the figure: 1. a material storage hopper; 2. a feed pipe; 3. sealing the feeding mechanism; 4. a limiting pipe; 5. a limiting sliding cavity; 6. feeding a push block; 7. a feeding groove; 8. an electric push rod; 9. a sealing layer; 10. vibration ejection of compact motor.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-3, the utility model relates to a clean feed mechanism in vacuum of high temperature plastics moulding plastics, including storage funnel 1, storage funnel 1's bottom is equipped with the inlet pipe 2 of being connected with the feed inlet of injection molding machine, be equipped with sealed feed mechanism 3 between storage funnel 1 and the inlet pipe 2, sealed feed mechanism 3 is including setting up spacing pipe 4 that the cross-section is the rectangle, just the inside of spacing pipe 4 is equipped with spacing sliding chamber 5, just the inside of spacing sliding chamber 5 is equipped with carries out the pay-off ejector pad 6 that removes along spacing sliding chamber 5, the middle part of pay-off ejector pad 6 is equipped with pay-off recess 7, the upper surface and the lower surface of pay-off recess 7 are the opening, the tip of spacing pipe 4 is equipped with electric putter 8, just electric putter 8's flexible end is fixed mutually with the tip of pay-off ejector pad 6. The inner diameter of the feeding groove 7 is smaller than that of the feeding pipe 2. When the feeding groove 7 is communicated with the discharge hole at the bottom of the storage hopper 1, the end part of the feeding pipe 2 is sealed by the feeding push block 6. When the feeding groove 7 is communicated with the end part of the feeding pipe 2, the feeding push block 6 covers the discharge hole at the bottom of the storage hopper 1. A sealed feeding mechanism 3 is arranged between a storage hopper 1 and a feeding pipe 2, wherein a feeding push block 6 is driven by an electric push rod 8 to move along a sliding cavity, in the moving process, when a feeding groove 7 is communicated with a discharging hole at the bottom of the storage hopper 1, the feeding push block 6 covers the end part of the feeding pipe 2, at the moment, the material falls into the feeding groove 7, then in the pushing process of the electric push rod 8, when the feeding groove 7 is communicated with the end part of the feeding pipe 2, the feeding push block 6 covers the discharging hole at the bottom of the storage hopper 1, at the moment, the material in the feeding groove 7 falls into an injection molding machine, and in the process, the storage hopper 1 and the feeding pipe 2 are always in a closed state, so that the phenomenon that gas escapes from the storage hopper 1 to the outside in the feeding process and pollutes the external working environment is avoided, the internal vacuum state of the injection molding machine cannot be changed, and the quantitative feeding effect is achieved.

The surface of the feeding push block 6 is provided with a sealing layer 9 which is contacted with the inner wall of the limiting sliding cavity 5; sealing layer 9 is the silica gel layer, has played sealed effect, guarantees to have better leakproofness.

And a vibration discharging motor 10 is arranged on the outer wall of the storage hopper 1.

The inner contour of the feed groove 7 corresponds to the inner contour of the feed pipe 2.

The working principle is as follows: a sealed feeding mechanism 3 is arranged between a storage hopper 1 and a feeding pipe 2, wherein a feeding push block 6 is driven by an electric push rod 8 to move along a sliding cavity, in the moving process, when a feeding groove 7 is communicated with a discharging hole at the bottom of the storage hopper 1, the feeding push block 6 covers the end part of the feeding pipe 2, at the moment, the material falls into the feeding groove 7, then in the pushing process of the electric push rod 8, when the feeding groove 7 is communicated with the end part of the feeding pipe 2, the feeding push block 6 covers the discharging hole at the bottom of the storage hopper 1, at the moment, the material in the feeding groove 7 falls into an injection molding machine, and in the process, the storage hopper 1 and the feeding pipe 2 are always in a closed state, so that the phenomenon that gas escapes from the storage hopper 1 to the outside in the feeding process and pollutes the external working environment is avoided, the internal vacuum state of the injection molding machine cannot be changed, and the quantitative feeding effect is achieved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a clean feed mechanism of vacuum that high temperature plastics were moulded plastics which characterized in that: including storage hopper (1), the bottom of storage hopper (1) is equipped with inlet pipe (2) of being connected with the feed inlet of injection molding machine, be equipped with sealed feed mechanism (3) between storage hopper (1) and inlet pipe (2), sealed feed mechanism (3) are spacing pipe (4) of rectangle including setting up the cross-section, just the inside of spacing pipe (4) is equipped with spacing smooth chamber (5), just the inside of spacing smooth chamber (5) is equipped with carries out the pay-off ejector pad (6) that remove along spacing smooth chamber (5), the middle part of pay-off ejector pad (6) is equipped with pay-off recess (7), the upper surface and the lower surface of pay-off recess (7) are the opening, the tip of spacing pipe (4) is equipped with electric putter (8), just the flexible end of electric putter (8) is fixed mutually with the tip of pay-off ejector pad (6).

2. A high-temperature plastic injection molding vacuum clean feeding mechanism according to claim 1, characterized in that the inner diameter of the feeding groove (7) is smaller than the inner diameter of the feeding pipe (2).

3. The vacuum clean feeding mechanism for high-temperature plastic injection molding according to claim 2, characterized in that when the feeding groove (7) is communicated with the discharge hole at the bottom of the storage hopper (1), the feeding push block (6) covers the end of the feeding pipe (2).

4. The vacuum clean feeding mechanism for high-temperature plastic injection molding according to claim 2, characterized in that when the feeding groove (7) is communicated with the end of the feeding pipe (2), the feeding push block (6) covers the discharging hole at the bottom of the storage hopper (1).

5. The vacuum clean feeding mechanism for high-temperature plastic injection molding according to claim 3, characterized in that the surface of the feeding push block (6) is provided with a sealing layer (9) which is in contact with the inner wall of the limiting sliding cavity (5); the sealing layer (9) is a silica gel layer.

6. A high-temperature plastic injection molding vacuum clean feeding mechanism according to claim 3, characterized in that a vibration discharging motor (10) is arranged on the outer wall of the storage hopper (1).

7. A high temperature plastic injection molding vacuum clean feed mechanism as claimed in claim 1, wherein the inner contour of the feed groove (7) corresponds to the inner contour of the feed pipe (2).