Injection mold for PP connector of pipe fitting

Abstract

The utility model discloses a pipe fitting PP connector injection mold which comprises an injection mold body. The static mold is arranged on one side of the injection mold body; the injection mold has the beneficial effects that the air cylinder, the connecting support plate and the sliding top plate are arranged, so that the output end of the air cylinder drives the connecting support plate and the sliding top plate to move, and the sliding top plate drives the first ejector pin on one side to move when moving; a first ejector pin ejects out a pipe fitting PP connecting body part formed in a first forming cavity in an injection molding mode, demolding work is completed, an ejector column, a sliding plate and a second ejector pin are arranged, the sliding plate and the second ejector pin are ejected when the ejector column moves, the pipe fitting PP connecting body formed in a second forming cavity in an injection molding mode is ejected out through the second ejector pin, and demolding is completed. And ejection of the movable mold and the static mold is completed in combination with the first ejector pin, and ejection treatment of the pipe fitting PP connecting body is completed more stably.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to a pipe fitting PP connector injection mold. Background Art

[0002] Pipe fitting PP connector usually refers to the pipe fitting connection part made of polypropylene (PP) material. PP pipe fittings are widely used in many fields due to their corrosion resistance, oxidation resistance and lightness. Pipe fitting PP connector, as the name suggests, is a connecting component in the polypropylene piping system. It is mainly used to connect PP pipes to ensure the integrity and sealing of the piping system. In many industries such as chemical industry, sewage treatment, food and pharmaceuticals, the pipe fitting PP connector injection mold is a special mold used to produce PP pipe fitting connectors in the injection molding process. It can inject molten PP material into the mold cavity and obtain a pipe fitting connector with a specific shape and size after cooling and shaping. The existing injection mold mainly includes a dynamic mold, a static mold, a mold frame, etc. However, during the injection molding process of the pipe fitting PP connector, the connection part between the molded pipe fitting PP connector and the dynamic mold and the static mold has difficulties in ejection, and the connection between the dynamic mold and the static mold is not convenient for ejection to complete demoulding. Utility Model Content

[0003] The purpose of the present utility model is to provide an injection mold for a PP connector for a pipe fitting, so as to solve the problem raised in the above-mentioned background technology that during the injection molding process of the PP connector for a pipe fitting, the connection part between the molded PP connector for a pipe fitting and the movable mold and the static mold is difficult to eject, and the connection between the movable mold and the static mold is inconvenient to eject and complete demolding.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a pipe fitting PP connector injection mold, comprising:

[0005] Injection mold body;

[0006] Static mold, which is set on one side of the injection mold body;

[0007] The movable mold is placed on one side of the static mold;

[0008] The No. 1 molding cavity is symmetrically opened on one side of the static mold;

[0009] A static mold ejection assembly is placed inside the injection mold body, and includes a sliding ejector plate that is symmetrically slidably disposed inside the injection mold body. A plurality of No. 1 ejectors that cooperate with No. 1 molding cavities are symmetrically disposed on one side of the sliding ejector plate. The No. 1 ejectors are slidably connected to the injection mold body and the No. 1 ejectors are slidably connected to the static mold.

[0010] A connector, which is arranged on one side of the movable mold, and a fixed side seat is provided on the side of the connector away from the movable mold;

[0011] The second molding cavity is symmetrically opened on one side of the movable mold;

[0012] The movable mold ejection assembly is placed on the inner side of the fixed side seat.

[0013] As a preferred solution of the present utility model: the movable mold ejection assembly includes a sliding plate, which is slidably arranged on the inner side of the fixed side seat, and one side of the sliding plate is fixedly connected to a plurality of No. 2 ejectors that cooperate with the No. 2 molding cavity, the No. 2 ejectors are slidably connected to the connector, and the No. 2 ejectors are slidably connected to the movable mold.

[0014] As a preferred solution of the present invention: a plurality of moving rods are symmetrically fixed to one side of the sliding plate, a fixed cylinder is slidably connected to the outer side of the moving rod, one end of the fixed cylinder is fixed to the connecting body, a spring is provided inside the fixed cylinder, one end of the spring is fixed to the fixed cylinder, and the other end of the spring is fixed to the moving rod.

[0015] As a preferred solution of the present invention: a plurality of guide posts are slidingly provided inside the sliding plate, one end of the guide post is fixedly connected to the connector, and the other end of the guide post is fixedly connected to the fixed side seat.

[0016] As a preferred solution of the present invention: a top column is fixedly connected to one side of the sliding plate, and the top column is slidably connected to the fixed side seat.

[0017] As a preferred solution of the present invention: both sides of the static mold are fixedly connected with fixed side plates, one side of the fixed side plate is installed with a cylinder, one side of the two sliding top plates is symmetrically fixed with a connecting support plate, the output end of the cylinder is fixed to the connecting support plate, one side of the sliding top plate is fixed with a limiting slide rod, and the limiting slide rod is slidably connected to the fixed side plate.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention realizes that the output end of the cylinder drives the connecting support plate and the sliding top plate to move by arranging the cylinder, the connecting support plate and the sliding top plate, and the sliding top plate drives the No. 1 ejector pin on one side to move when the sliding top plate moves, and the No. 1 ejector pin ejects the pipe PP connector part injection molded in the No. 1 molding cavity to complete the demolding work; by arranging the ejector column, the sliding plate and the No. 2 ejector pin, the sliding plate and the No. 2 ejector pin are pushed when the ejector column moves, and the No. 2 ejector pin ejects the pipe PP connector injection molded in the No. 2 molding cavity, and the No. 1 ejector pin is used to complete the ejection of the dynamic mold and the static mold, and the ejection process of the pipe PP connector is completed more stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the fixed cylinder of the utility model;

[0021] Figure 3 This is the front view of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the No. 1 molding cavity of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the No. 2 molding cavity of the utility model.

[0024] In the figure: 1. Injection mold body; 2. Static mold; 3. Fixed side seat; 4. Connector; 5. Moving mold; 6. Cylinder; 7. Limiting slide bar; 8. Molding cavity No. 1; 9. Ejector No. 1; 10. Sliding plate; 11. Moving rod; 12. Fixed cylinder; 13. Spring; 14. Ejector No. 2; 15. Guide column; 16. Ejector column; 17. Fixed side plate; 18. Molding cavity No. 2; 19. Sliding ejector plate; 20. Connecting support plate. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figures 1 to 5 The utility model provides a technical solution: a pipe fitting PP connector injection mold, comprising: an injection mold body 1; a static mold 2 is fixedly connected to one side of the injection mold body 1; a dynamic mold 5 is placed on one side of the static mold 2; a No. 1 molding cavity 8 is symmetrically opened on one side of the static mold 2; a static mold ejection assembly is placed inside the injection mold body 1, and the static mold ejection assembly includes a sliding top plate 19, which is symmetrically and slidably arranged inside the injection mold body 1, and one side of the sliding top plate 19 is symmetrically fixed with a plurality of No. 1 ejector pins 9 that cooperate with the No. 1 molding cavity 8, the No. 1 ejector pin 9 is slidably connected to the injection mold body 1, and the No. 1 ejector pin 9 is slidably connected to the static mold 2; a connector 4 is fixedly connected to one side of the dynamic mold 5, and a fixed side seat 3 is fixed on the side of the connector 4 away from the dynamic mold 5; a No. 2 molding cavity 18 is symmetrically opened on one side of the dynamic mold 5; and the dynamic mold ejection assembly is placed on the inner side of the fixed side seat 3.

[0027] It can be understood that the present invention performs injection molding through one side of the injection mold body 1 by closing the mold between the static mold 2 and the dynamic mold 5, and completes the injection molding work through the No. 1 molding cavity 8 and the No. 2 molding cavity 18 inside the static mold 2 and the dynamic mold 5. When the mold is opened, the fixed side seat 3 and the connecting body 4 move away from one side of the static mold 2, and the mold between the dynamic mold 5 and the static mold 2 is opened. At the same time, the output end of the cylinder 6 is used to pull the connecting support plate 20 to move, and when the connecting support plate 20 moves, it drives the sliding top plate 19 and The limiting slide bar 7 moves, and the limiting slide bar 7 and the fixed side plate 17 slide in a limited manner, and the No. 1 ejector 9 on one side is driven to move by the sliding ejector plate 19, and the pipe PP connector formed in the No. 1 molding cavity 8 is ejected by the No. 1 ejector 9, and the sliding plate 10 is pushed by the ejector column 16, and the sliding plate 10 pushes the No. 2 ejector 14, and the pipe PP connector formed in the No. 2 molding cavity 18 is ejected by the No. 2 ejector 14, completing the injection molding and demolding of the pipe PP connector.

[0028] See also Figures 1 to 5 The movable mold ejection assembly includes a sliding plate 10, which is slidably arranged on the inner side of the fixed side seat 3. One side of the sliding plate 10 is fixed with multiple No. 2 ejector pins 14 that cooperate with the No. 2 molding cavity 18. The No. 2 ejector pins 14 are slidably connected to the connector 4, and the No. 2 ejector pins 14 are slidably connected to the movable mold 5.

[0029] It is understandable that the present invention drives the second ejector pin 14 to move by the sliding plate 10. When the second ejector pin 14 moves, the molded pipe PP connector in the second molding cavity 18 is ejected, and the demoulding work is completed quickly.

[0030] See also Figures 1 to 5 A plurality of moving rods 11 are symmetrically fixed to one side of the sliding plate 10, and a fixed cylinder 12 is slidably connected to the outer side of the moving rod 11. One end of the fixed cylinder 12 is fixed to the connector 4. A spring 13 is provided inside the fixed cylinder 12, one end of the spring 13 is fixed to the fixed cylinder 12, and the other end of the spring 13 is fixed to the moving rod 11.

[0031] It can be understood that the utility model drives the moving rod 11 on one side to move when the sliding plate 10 moves, and the moving rod 11 slides in the fixed cylinder 12. When the moving rod 11 moves, it presses the spring 13 in the fixed cylinder 12, and the spring 13 completes the reset of the moving rod 11 and the sliding plate 10.

[0032] See also Figures 1 to 5 A plurality of guide posts 15 are provided for sliding inside the sliding plate 10 , one end of the guide post 15 is fixedly connected to the connector 4 , and the other end of the guide post 15 is fixedly connected to the fixed side seat 3 .

[0033] It can be understood that the present invention limits the sliding movement of the guide column 15 and the sliding plate 10 , and limits and guides the moving sliding plate 10 through the guide column 15 , thereby improving stability.

[0034] See also Figures 1 to 5 A top column 16 is fixed to one side of the sliding plate 10 , and the top column 16 is slidably connected to the fixed side seat 3 .

[0035] It can be understood that, in the present invention, the sliding plate 10 sliding inside the fixed side seat 3 is pushed up by the ejector column 16 , thereby ejecting the sliding plate 10 and the second ejector pin 14 .

[0036] See also Figures 1 to 5 Both sides of the static mold 2 are fixed with fixed side plates 17, one side of the fixed side plate 17 is installed with a cylinder 6, one side of the two sliding top plates 19 is symmetrically fixed with a connecting support plate 20, the output end of the cylinder 6 is fixed to the connecting support plate 20, and one side of the sliding top plate 19 is fixed with a limiting slide rod 7, which is slidably connected to the fixed side plate 17.

[0037] It can be understood that the utility model pulls the connecting support plate 20 to move through the output end of the cylinder 6. When the connecting support plate 20 moves, it drives the sliding top plate 19 and the limiting slide rod 7 to move. The limiting slide rod 7 and the fixed side plate 17 slide in a limited manner. The sliding top plate 19 drives the No. 1 ejector pin 9 on one side to move, and the No. 1 ejector pin 9 ejects the pipe fitting PP connector formed in the No. 1 molding cavity 8.

[0038] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "two ends", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0039] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one such feature.

[0040] In the present invention, unless otherwise clearly stipulated and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0041] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Pipe fitting PP connector injection mold, characterized by: include: Injection mold (1); A static mold (2), which is arranged on one side of the injection mold body (1); A movable mold (5), which is placed on one side of the static mold (2); A No. 1 molding cavity (8), the No. 1 molding cavity (8) is symmetrically arranged on one side of the static mold (2); A static mold ejection assembly is placed inside the injection mold body (1), and the static mold ejection assembly includes a sliding top plate (19), which is symmetrically slidably arranged inside the injection mold body (1), and a plurality of No. 1 ejector pins (9) that cooperate with the No. 1 molding cavity (8) are symmetrically arranged on one side of the sliding top plate (19), and the No. 1 ejector pins (9) are slidably connected to the injection mold body (1), and the No. 1 ejector pins (9) are slidably connected to the static mold (2); A connector (4), the connector (4) being arranged on one side of the movable mold (5), and a fixed side seat (3) being arranged on the side of the connector (4) away from the movable mold (5); The second molding cavity (18) is symmetrically arranged on one side of the movable mold (5); The movable mold ejection assembly is placed on the inner side of the fixed side seat (3).

2. The pipe fitting PP connector injection mold according to claim 1, characterized in that: The movable mold ejection assembly includes a sliding plate (10), which is slidably arranged on the inner side of the fixed side seat (3), and a plurality of No. 2 ejector pins (14) that cooperate with the No. 2 molding cavity (18) are fixedly connected to one side of the sliding plate (10), and the No. 2 ejector pins (14) are slidably connected to the connecting body (4), and the No. 2 ejector pins (14) are slidably connected to the movable mold (5).

3. The pipe fitting PP connector injection mold according to claim 2, characterized in that: A plurality of moving rods (11) are symmetrically fixed to one side of the sliding plate (10), a fixed cylinder (12) is slidably connected to the outer side of the moving rod (11), one end of the fixed cylinder (12) is fixed to the connector (4), a spring (13) is provided inside the fixed cylinder (12), one end of the spring (13) is fixed to the fixed cylinder (12), and the other end of the spring (13) is fixed to the moving rod (11).

4. The pipe fitting PP connector injection mold according to claim 2, characterized in that: A plurality of guide columns (15) are provided for sliding inside the sliding plate (10), one end of the guide column (15) is fixedly connected to the connector (4), and the other end of the guide column (15) is fixedly connected to the fixed side seat (3).

5. The pipe fitting PP connector injection mold according to claim 2, characterized in that: A top column (16) is fixedly connected to one side of the sliding plate (10), and the top column (16) is slidably connected to the fixed side seat (3).

6. The pipe fitting PP connector injection mold according to claim 1, characterized in that: Both sides of the static mold (2) are fixedly connected with fixed side plates (17), one side of the fixed side plate (17) is installed with a cylinder (6), one side of the two sliding top plates (19) is symmetrically fixed with a connecting support plate (20), the output end of the cylinder (6) is fixedly connected to the connecting support plate (20), one side of the sliding top plate (19) is fixedly connected with a limiting slide bar (7), and the limiting slide bar (7) is slidably connected to the fixed side plate (17).

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