Ejection structure of plastic box injection mold

By designing a plastic box injection mold ejection structure including motor, threaded rod and sliding plate, the problems of inefficiency and high labor intensity caused by the lack of ejection structure of existing injection molds are solved, and the automatic ejection and work efficiency of the injection molded object are improved.

CN222610333UActive Publication Date: 2025-03-14NINGBO LIXIANG GONGJU CO LTD
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Patent Information

Application Number
CN202421291213.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-03-14
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

The existing injection molds lack ejection structure, which leads to manual removal after injection molding, which reduces work efficiency and increases labor intensity.

Method used

A plastic box injection mold ejection structure is designed, and the threaded rod is driven by the motor to rotate, and the sliding plate and other plates are combined with the guide column and the built-in plate to achieve automatic ejection of the object completed by injection molding.

Benefits of technology

Automatic ejection of the injection molded object is achieved, which improves work efficiency and reduces the labor intensity of workers.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an ejection structure of a plastic box injection mold, which belongs to the technical field of ejection structures of plastic box injection molds and comprises a bottom plate, the top of the bottom plate is fixedly connected with an injection mold body, the left side of the bottom plate is fixedly connected with a vertical plate, and the right side of the vertical plate is slidably connected with an ejection plate. A conveying circular groove communicates with the interior of the top plate, a storage box communicates with the top of the conveying circular groove, a feeding port communicates with the top of the storage box, an ejection plate is slidably connected to the interior of the injection mold body, and matching columns are fixedly connected to the two sides of the top of the bottom plate correspondingly. The two sides of the bottoms of the two top plates are fixedly connected with hollowed-out cylinders correspondingly, and the two matching columns abut against the interiors of the corresponding hollowed-out cylinders in an interactive mode. The injection mold is reasonable in structural design, and the function of ejecting an object subjected to injection molding is achieved through cooperation of the guide column, the built-in plate, the ejection plate and the threaded rod.
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Description

Technical Field

[0001] The utility model relates to the technical field of ejection structures of plastic box injection molds, in particular to an ejection structure of a plastic box injection mold. Background Art

[0002] Plastic parts are now a relatively common product and are used in various industries. The molding of plastic parts is done by melting the plastic masterbatch through an injection molding machine and injecting it into a ready mold. The mold is used to form it, and then it is taken out after cooling to form a plastic product. This process requires an injection mold.

[0003] However, general injection molds do not have ejection structures, and they need to be removed manually after successful injection, which not only reduces the working efficiency of the device but also increases the labor intensity of workers. Therefore, we propose an ejection structure for a plastic box injection mold to solve this problem. Utility Model Content

[0004] The purpose of the utility model is to provide an ejection structure of a plastic box injection mold to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A plastic box injection mold ejection structure, comprising: a bottom plate, the top of the bottom plate is fixedly connected to an injection mold body, the left side of the bottom plate is fixedly connected to a vertical plate, the right side of the vertical plate is slidably connected to a top plate, the interior of the top plate is connected to a conveying circular groove, the top of the conveying circular groove is connected to a material storage box, the top of the material storage box is connected to a feed port, the interior of the injection mold body is slidably connected to an ejection plate, the top of the bottom plate is fixedly connected to matching columns, the bottom sides of the two top plates are fixedly connected to hollow cylinders, and the two matching columns are interactively abutted against the interior of the corresponding hollow cylinders.

[0007] Preferably, a cylinder is fixedly connected to the inside of the base plate, a built-in plate is slidably connected to the outside of the cylinder, guide columns are slidably connected to both sides of the inside of the injection mold body and the base plate, the bottom ends of the two guide columns are fixedly connected to the top of the same built-in plate, and the top ends of the two guide columns are fixedly connected to the bottom of the same ejection plate.

[0008] Preferably, the vertical plate is internally rotatably connected to a threaded rod, the threaded rod is externally threadedly connected to a sliding plate, a transverse through groove is provided on the right side of the vertical plate, the sliding plate is slidably connected to the inside of the transverse through groove, and the top plate is fixedly connected to the right side of the sliding plate.

[0009] Preferably, vertical grooves are provided on the sides where the bottom plate and the vertical plate are close to each other, a horizontal plate is fixedly connected to the left side of the built-in plate, the horizontal plate is slidably connected to the inside of the vertical groove, a long plate is fixedly connected to the top of the horizontal plate, and the long plate is fixedly connected to the bottom of the sliding plate.

[0010] Preferably, the top of the vertical plate is fixedly connected to a mounting column, the top of the mounting column is fixedly connected to a curved plate, the bottom of the curved plate is fixedly connected to a motor, the output end of the motor is fixedly connected to the top of the threaded rod, and two extension plates are fixedly connected to the left side of the vertical plate, the sides of the two extension plates close to each other are fixedly connected to the same vertical column, and the sliding plate is slidably connected to the outside of the vertical column.

[0011] Preferably, the bottom of the inner wall of the vertical plate is fixedly connected to a limiting ring, and the threaded rod is rotatably connected to the inside of the limiting ring.

[0012] Preferably, two sealing rings are fixedly connected to the top of the inner wall of the bottom plate, and the two guide posts are slidably connected to the inside of the corresponding sealing rings.

[0013] In the utility model, the ejection structure of the plastic box injection mold described above drives the threaded rod to rotate clockwise by starting the motor, so that the sliding plate starts to move downward, and then drives the top plate, the long plate, the horizontal plate, the built-in plate, the guide column and the ejection plate to move downward while the sliding plate moves downward, so that the top plate abuts against the top of the injection mold body, and further performs injection molding on the inside of the injection mold body through the feed port, the storage box and the conveying circular groove;

[0014] In the utility model, the ejection structure of the plastic box injection mold is described. When the injection molding is completed, the motor is started again to drive the threaded rod to rotate counterclockwise. At this time, the sliding plate starts to move upward, and then the top plate, the long plate, the horizontal plate, the built-in plate, the guide column and the ejection plate are driven to move upward while the sliding plate moves upward, and then the injection-molded object is ejected by the upward movement of the ejection plate;

[0015] The utility model has reasonable structural design, and realizes the ejection function of the injection-molded object through the cooperation of the guide column, the built-in plate, the ejection plate and the threaded rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of an ejection structure of a plastic box injection mold proposed by the utility model;

[0017] Figure 2 This is a schematic cross-sectional view of an ejection structure of a plastic box injection mold proposed by the utility model;

[0018] Figure 3The utility model is a schematic diagram of the three-dimensional structure of an ejection plate, a built-in plate, a guide column and the like of an ejection structure of a plastic box injection mold.

[0019] In the figure: 1. feed port; 2. storage box; 3. top plate; 4. vertical plate; 5. mounting column; 6. arc plate; 7. motor; 8. hollow cylinder; 9. matching column; 10. bottom plate; 11. injection mold body; 12. conveying circular groove; 13. horizontal through groove; 14. cylinder; 15. built-in plate; 16. guide column; 17. ejector plate; 18. sealing ring; 19. horizontal plate; 20. long plate; 21. sliding plate; 22. threaded rod; 23. limit ring; 24. extension plate; 25. vertical column. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-3 A plastic box injection mold ejection structure comprises: a bottom plate 10, an injection mold body 11 is fixedly connected to the top of the bottom plate 10, a vertical plate 4 is fixedly connected to the left side of the bottom plate 10, a top plate 3 is slidably connected to the right side of the vertical plate 4, a conveying circular groove 12 is connected inside the top plate 3, a material storage box 2 is connected to the top of the material storage box 2, a feed port 1 is connected to the top of the material storage box 2, an ejection plate 17 is slidably connected inside the injection mold body 11, matching columns 9 are fixedly connected to both sides of the top of the bottom plate 10, hollow cylinders 8 are fixedly connected to both sides of the bottom of the two top plates 3, and the two matching columns 9 are interactively abutted against the inside of the corresponding hollow cylinders 8.

[0022] In this embodiment, a cylinder 14 is fixedly connected to the inside of the base plate 10, and a built-in plate 15 is slidably connected to the outside of the cylinder 14. Guide columns 16 are slidably connected to both sides of the inside of the injection mold body 11 and the base plate 10. The bottom ends of the two guide columns 16 are fixedly connected to the top of the same built-in plate 15, and the top ends of the two guide columns 16 are fixedly connected to the bottom of the same ejection plate 17. Two sealing rings 18 are fixedly connected to the top of the inner wall of the base plate 10, and the two guide columns 16 are slidably connected to the inside of the corresponding sealing rings 18, thereby realizing the ejection function of the injection molded object.

[0023] In this embodiment, the vertical plate 4 is internally rotatably connected to a threaded rod 22, the threaded rod 22 is externally threadedly connected to a sliding plate 21, a transverse through groove 13 is provided on the right side of the vertical plate 4, the sliding plate 21 is slidably connected inside the transverse through groove 13, and the top plate 3 is fixedly connected to the right side of the sliding plate 21, thereby realizing the injection molding function.

[0024] In this embodiment, vertical grooves are provided on the sides where the bottom plate 10 and the vertical plate 4 are close to each other, a horizontal plate 19 is fixedly connected to the left side of the built-in plate 15, and the horizontal plate 19 is slidably connected to the inside of the vertical groove. A long plate 20 is fixedly connected to the top of the horizontal plate 19, and the long plate 20 is fixedly connected to the bottom of the sliding plate 21. A limiting ring 23 is fixedly connected to the bottom of the inner wall of the vertical plate 4, and the threaded rod 22 is rotatably connected to the inside of the limiting ring 23, thereby realizing the limiting function of the threaded rod 22.

[0025] In this embodiment, the top of the vertical plate 4 is fixedly connected to a mounting column 5, the top of the mounting column 5 is fixedly connected to an arc-shaped plate 6, the bottom of the arc-shaped plate 6 is fixedly connected to a motor 7, the output end of the motor 7 is fixedly connected to the top of the threaded rod 22, and the left side of the vertical plate 4 is fixedly connected to two extension plates 24, and the sides of the two extension plates 24 close to each other are fixedly connected to the same vertical column 25, and the sliding plate 21 is slidably connected to the outside of the vertical column 25, thereby realizing the guiding function of the sliding plate 21.

[0026] In this embodiment, when in use, the threaded rod 22 is driven to rotate clockwise by starting the motor 7, so that the sliding plate 21 starts to move downward, and then the top plate 3, the long plate 20, the cross plate 19, the inner plate 15, the guide column 16 and the ejector plate 17 are driven to move downward while the sliding plate 21 moves downward, so that the top plate 3 abuts against the top of the injection mold body 11, and further the injection molding is performed on the inside of the injection mold body 11 through the feed port 1, the storage box 2 and the conveying circular groove 12. When the injection molding is completed, At this time, the motor 7 is started again to drive the threaded rod 22 to rotate counterclockwise, and the sliding plate 21 starts to move upward, and then the sliding plate 21 drives the top plate 3, the long plate 20, the cross plate 19, the built-in plate 15, the guide column 16 and the ejection plate 17 to move upward, and then the injection molded object is ejected by the upward movement of the ejection plate 17. The ejection function of the injection molded object is realized through the cooperation of the guide column 16, the built-in plate 15, the ejection plate 17 and the threaded rod 22.

[0027] The above is a detailed introduction to the ejection structure of a plastic box injection mold provided by the utility model. This article uses specific embodiments to explain the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. An ejection structure of a plastic box injection mold, characterized in that: include: A bottom plate (10), the top of which is fixedly connected to an injection mold body (11), the left side of the bottom plate (10) is fixedly connected to a vertical plate (4), the right side of the vertical plate (4) is slidably connected to a top plate (3), the interior of the top plate (3) is connected to a conveying circular groove (12), the top of the conveying circular groove (12) is connected to a material storage box (2), the top of the material storage box (2) is connected to a feed port (1), the interior of the injection mold body (11) is slidably connected to an ejector plate (17), the top sides of the bottom of the bottom plate (10) are fixedly connected to matching columns (9), the bottom sides of the two top plates (3) are fixedly connected to hollow cylinders (8), and the two matching columns (9) are interactively abutted against the inside of the corresponding hollow cylinders (8).

2. The ejection structure of a plastic box injection mold according to claim 1, characterized in that: A cylinder (14) is fixedly connected to the interior of the base plate (10), an internal plate (15) is slidably connected to the exterior of the cylinder (14), guide columns (16) are slidably connected to both sides of the interior of the injection mold body (11) and the base plate (10), the bottom ends of the two guide columns (16) are fixedly connected to the top of the same internal plate (15), and the top ends of the two guide columns (16) are fixedly connected to the bottom of the same ejector plate (17).

3. The ejection structure of a plastic box injection mold according to claim 2, characterized in that: The vertical plate (4) is rotatably connected to a threaded rod (22) inside, the threaded rod (22) is externally threadedly connected to a sliding plate (21), a transverse through groove (13) is provided on the right side of the vertical plate (4), the sliding plate (21) is slidably connected inside the transverse through groove (13), and the top plate (3) is fixedly connected to the right side of the sliding plate (21).

4. The ejection structure of a plastic box injection mold according to claim 3, characterized in that: A vertical groove is provided on the side where the bottom plate (10) and the vertical plate (4) are close to each other, a horizontal plate (19) is fixedly connected to the left side of the built-in plate (15), the horizontal plate (19) is slidably connected inside the vertical groove, a long plate (20) is fixedly connected to the top of the horizontal plate (19), and the long plate (20) is fixedly connected to the bottom of the sliding plate (21).

5. The ejection structure of a plastic box injection mold according to claim 3, characterized in that: The top of the vertical plate (4) is fixedly connected to a mounting column (5), the top of the mounting column (5) is fixedly connected to an arc-shaped plate (6), the bottom of the arc-shaped plate (6) is fixedly connected to a motor (7), the output end of the motor (7) is fixedly connected to the top of the threaded rod (22), the left side of the vertical plate (4) is fixedly connected to two extension plates (24), the sides of the two extension plates (24) close to each other are fixedly connected to the same vertical column (25), and the sliding plate (21) is slidably connected to the outside of the vertical column (25).

6. The ejection structure of a plastic box injection mold according to claim 3, characterized in that: The bottom of the inner wall of the vertical plate (4) is fixedly connected to a limiting ring (23), and the threaded rod (22) is rotatably connected to the inside of the limiting ring (23).

7. The ejection structure of a plastic box injection mold according to claim 2, characterized in that: Two sealing rings (18) are fixedly connected to the top of the inner wall of the bottom plate (10), and the two guide columns (16) are slidably connected to the inside of the corresponding sealing rings (18).