Injection molding raw material feeding device of injection-blowing-filling-sealing four-in-one machine

By designing a closed storage silo and feeding silo structure and using pneumatic power to transport raw materials, the raw material pollution and weight pressure problems caused by the hopper design of traditional injection molding equipment are solved, and a more efficient and safer injection molding process is achieved.

CN222819430UActive Publication Date: 2025-05-02SHENYAO HEZE PHARMACEUTICAL (SHANDONG) CO LTD
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Patent Information

Application Number
CN202421390521.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-18
Publication Date
2025-05-02
Estimated Expiration
2034-06-18

AI Technical Summary

Technical Problem

The hopper design of traditional injection molding equipment causes plastic raw materials to be exposed to the external environment, which is prone to contamination, and excessively large hoppers will put weight pressure on the equipment.

Method used

A injection molding raw material feeding device for injection blowing and filling sealing four-in-one machine is designed. It adopts a closed storage silo and feed silo structure. The raw materials are input from the storage silo to the feed silo by pneumatically conveying raw materials, reducing the exposure of raw materials to the external environment, and reducing the weight pressure on the injection molding equipment through the dual storage structure.

Benefits of technology

It effectively avoids raw material pollution, reduces the risk of raw material exposure to the external environment, and reduces the pressure on the equipment by the large-weight silo by pneumatically transporting raw materials.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an injection molding raw material feeding device of an injection-blowing-filling-sealing four-in-one machine, and relates to the technical field of injection molding feeding structures, the injection molding raw material feeding device comprises a feeding bin, a filter grating plate is arranged at the upper end in the feeding bin, and a feeding pipe is arranged on the side wall of one side of the feeding bin and below the filter grating plate in a penetrating manner; an exhaust port is formed in the upper end of the rear side wall of the feeding bin, a storage bin is arranged on one side of the feeding bin, the lower portion of the storage bin is communicated with a pneumatic conveying pipe, an air pump is arranged on the other side of the storage bin, and a pneumatic pipe is arranged between the output end of the air pump and the interior of the pneumatic conveying pipe. Through the closed storage bin and feeding bin structure, raw materials are prevented from being exposed in the external environment, the problem of raw material pollution is reduced, the double-bin structure of the storage bin and the feeding bin is arranged, the raw materials are input into the feeding bin from the storage bin through pneumatic force, and compression of a large-weight bin on injection molding equipment is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of injection molding material feeding structures, in particular to an injection molding raw material feeding device for an injection-blowing-filling-sealing four-in-one machine. Background Art

[0002] The injection blow filling and sealing four-in-one machine is a highly integrated automated production line specifically designed for the production of plastic containers. This machine is able to complete the four key steps of injection molding, blow molding, filling and sealing in one continuous production process. Injection molding is a manufacturing process used to produce parts made of thermoplastics or thermosetting plastics. The core of the injection blow filling and sealing four-in-one machine is the injection molding equipment. During the injection molding process, a feeding device is required to feed the plastic raw materials into the injection molding machine. Traditional injection molding equipment is usually equipped with a hopper, but this method exposes the raw materials to the external environment, which has the problem of contamination, and the hopper set up for the injection molding equipment is usually small, and an oversized hopper will bring weight pressure to the injection molding equipment. Utility Model Content

[0003] The purpose of the utility model is to provide a raw material feeding device for an injection molding four-in-one injection-blowing-filling-sealing machine, so as to solve the problem that traditional injection molding equipment mentioned in the above background technology is usually equipped with a hopper, but this method exposes the raw materials to the external environment, there is a pollution problem, and the hopper equipped with the injection molding equipment is usually small, and a hopper with too large size will bring weight pressure to the injection molding equipment.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an injection molding raw material feeding device of an injection blowing filling and sealing four-in-one machine, comprising a feeding bin, a discharging hopper is provided at the lower end of the internal part of the feeding bin, the lower end of the discharging hopper is connected with a discharging pipe, the lower end of the discharging pipe extends to the bottom of the feeding bin, a filtering grid plate is provided at the upper end of the internal part of the feeding bin, a feeding pipe is penetrated through one side wall of the feeding bin and below the filtering grid plate, an exhaust port is provided at the upper end of the rear side wall of the feeding bin, a storage bin is provided on one side of the feeding bin, a pneumatic conveying pipe is connected to the bottom of the storage bin, a conveying pipe is connected to one side of the pneumatic conveying pipe and the feeding pipe, an air pump is provided on the other side of the storage bin, a pneumatic pipe is provided between the output end of the air pump and the inside of the pneumatic conveying pipe, and a circulation pipe is connected to the input end of the air pump and the exhaust port.

[0005] Preferably, a detection pipe opening is opened in the middle position of the upper wall of the feed bin, a detection cover plate is provided inside the detection pipe opening, a limiting edge is provided inside the feed bin and at the lower end of the filter grid plate, and the lower end of the filter grid plate abuts against the limiting edge.

[0006] Preferably, the feed bin is a rectangular parallelepiped structure with four rounded corners in the upper and lower directions, and the storage bin is a cylindrical structure with a funnel structure at the lower end.

[0007] Preferably, a feed pipe opening is provided in the middle of the upper wall of the storage bin, and a feed cover plate is provided inside the feed pipe opening.

[0008] Preferably, support rods are provided at the lower end of the storage bin, and the pneumatic conveying pipe is arranged between the support rods.

[0009] Compared with the prior art, the beneficial effects of the utility model are: replacing the hopper usually provided in traditional injection molding equipment, the closed design of the storage bin and the feeding bin structure avoids exposing the raw materials to the external environment, reducing the problem of raw material contamination, and providing a double bin structure of the storage bin and the feeding bin, and the raw materials are input from the storage bin to the inside of the feeding bin by pneumatic force, reducing the pressure of the heavy bin on the injection molding equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is an axonometric drawing of the main structure of the utility model;

[0011] Figure 2 It is an axonometric cross-sectional view of the main structure of the utility model;

[0012] Figure 3 This is a front cross-sectional view of the main structure of the utility model;

[0013] Figure 4 It is a schematic diagram of the main structure of the utility model;

[0014] Figure 5 It is a top view schematic diagram of the main structure of the utility model.

[0015] In the figure: 1-feeding bin, 2-discharging hopper, 3-discharging pipe, 4-filter grid plate, 5-feeding pipe, 6-exhaust port, 7-storage bin, 8-pneumatic conveying pipe, 9-conveying pipe, 10-air pump, 11-pneumatic pipe, 12-circulation pipe, 13-detection pipe opening, 14-detection cover plate, 15-limiting edge, 16-feeding pipe opening, 17-feeding cover plate, 18-support rod. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-5 The utility model provides an injection molding raw material feeding device of an injection blowing filling and sealing four-in-one machine, comprising a feeding bin 1, a discharge hopper 2 is provided at the lower end of the internal part of the feeding bin 1, and the lower end of the discharge hopper 2 is connected with a discharge pipe 3, and the lower end of the discharge pipe 3 extends to the bottom of the feeding bin 1, and a filtering grid plate 4 is provided at the internal upper end of the feeding bin 1, and a feeding pipe 5 is penetrated through one side wall of the feeding bin 1 and below the filtering grid plate 4, and an exhaust port 6 is provided at the upper end of the rear side wall of the feeding bin 1, and a storage bin 7 is provided on one side of the feeding bin 1, and a pneumatic conveying pipe 8 is connected to the bottom of the storage bin 7, and a conveying pipe 9 is connected to one side of the pneumatic conveying pipe 8 and the feeding pipe 5, and an air pump 10 is provided on the other side of the storage bin 7, and a pneumatic pipe 11 is provided between the output end of the air pump 10 and the inside of the pneumatic conveying pipe 8, and a circulation pipe 12 is connected between the input end of the air pump 10 and the exhaust port 6.

[0018] When in use, the raw materials to be fed are temporarily stored in the storage bin 7, and the raw materials fall into the pneumatic conveying pipe 8 due to gravity. The air output by the air pump 10 is input into the pneumatic conveying pipe 8 through the pneumatic pipe 11. The raw materials in the pneumatic conveying pipe 8 are transported to the inside of the feed bin 1 along the conveying pipe 9 under the action of air force. The raw materials in the conveying pipe 9 are input into the inside of the feed bin 1 through the feed pipe 5. The raw materials in the feed bin 1 are input into the inside of the injection molding equipment through the discharge pipe 3 along the discharge hopper 2 due to gravity. The air in the feed bin 1 is output from the exhaust port 6 under the action of the air pump 10, and is sucked out along the circulation pipe 12. The air in the feed bin 1 is filtered through the filter grid plate 4 to complete the air circulation.

[0019] A detection pipe opening 13 is provided in the middle position of the upper wall of the feed bin 1, and a detection cover plate 14 is provided inside the detection pipe opening 13. A limiting edge 15 is provided inside the feed bin 1 and at the lower end of the filtering grid plate 4, and the lower end of the filtering grid plate 4 abuts against the limiting edge 15. By providing the detection pipe opening 13 at the upper end of the feed bin 1, the staff can detect the state of the raw materials inside the feed bin 1 through the detection pipe opening 13, and set the detection cover plate 14 on the detection pipe opening 13 to seal the detection pipe opening 13, and set a limiting edge 15 inside the feed bin 1 to support the filtering grid plate 4 through the limiting edge 15.

[0020] The feed bin 1 is a rectangular structure with rounded corners in the upper and lower directions, and the storage bin 7 is a cylindrical structure with a funnel structure at the lower end. The feed bin 1 designed with a rectangular structure is convenient for the feed bin 1 to be mounted on the injection molding equipment, and is convenient for the installation of the feed pipe 5 and the exhaust port 6.

[0021] A feed pipe opening 16 is provided in the middle of the upper wall of the storage bin 7, and a feed cover plate 17 is provided inside the feed pipe opening 16. By providing the feed pipe opening 16 on the storage bin 7, raw materials are input into the interior of the storage bin 7 through the feed pipe opening 16, and a feed cover plate 17 is provided on the feed pipe opening 16 to seal the feed pipe opening 16.

[0022] The lower end of the storage bin 7 is provided with a support rod 18 , and the pneumatic conveying pipe 8 is arranged between the support rods 18 . The support rod 18 is arranged at the lower end of the storage bin 7 , leaving space for the arrangement of the pneumatic conveying pipe 8 .

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A material feeding device for injection molding raw materials of an injection-blow-fill-seal four-in-one machine, characterized in that: The invention comprises a feed bin (1), wherein a discharge hopper (2) is provided at the lower end of the feed bin (1), a discharge pipe (3) is connected to the lower end of the discharge hopper (2), the lower end of the discharge pipe (3) extends below the feed bin (1), a filter grid plate (4) is provided at the upper end of the feed bin (1), a feed pipe (5) is provided through a side wall of the feed bin (1) and below the filter grid plate (4), an exhaust port (6) is provided at the upper end of the rear side wall of the feed bin (1), and the feed bin (1) is provided with a filter grid plate (4). A storage bin (7) is provided on one side of the warehouse (1), and a pneumatic conveying pipe (8) is connected to the bottom of the storage bin (7), and a conveying pipe (9) is connected to one side of the pneumatic conveying pipe (8) and the feed pipe (5). An air pump (10) is provided on the other side of the storage bin (7), and a pneumatic pipe (11) is provided between the output end of the air pump (10) and the inside of the pneumatic conveying pipe (8), and a circulation pipe (12) is connected to the input end of the air pump (10) and the exhaust port (6).

2. The material feeding device for injection molding of a four-in-one injection-blow-fill-seal machine according to claim 1, characterized in that: A detection pipe opening (13) is provided in the middle of the upper wall of the feed bin (1), a detection cover plate (14) is provided inside the detection pipe opening (13), a limiting edge (15) is provided inside the feed bin (1) and at the lower end of the filtering grid plate (4), and the lower end of the filtering grid plate (4) abuts against the limiting edge (15).

3. The material feeding device for injection molding of a four-in-one injection-blow-fill-seal machine according to claim 1, characterized in that: The feeding bin (1) is a rectangular parallelepiped structure with four rounded corners in the upper and lower directions, and the storage bin (7) is a cylindrical structure with a funnel structure at the lower end.

4. The material feeding device for injection molding of a four-in-one injection-blow-fill-seal machine according to claim 1, characterized in that: A material inlet opening (16) is provided in the middle of the upper wall of the material storage bin (7), and a material inlet cover plate (17) is provided inside the material inlet opening (16).

5. The material feeding device for injection molding of a four-in-one injection-blow-fill-seal machine according to claim 1, characterized in that: The lower end of the storage bin (7) is provided with support rods (18), and the pneumatic conveying pipe (8) is arranged between the support rods (18).