Injection mold capable of adjusting size of injection molding opening

By designing the combination of trapezoidal adjustment plate, threaded rod and hollow cylinder in the injection mold, flexible adjustment of the injection molding port size is achieved, solving the problem of fixing the injection molding port size of the existing injection mold, and improving working efficiency and stability.

CN222511995UActive Publication Date: 2025-02-21NINGBO LIXIANG GONGJU CO LTD
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Patent Information

Application Number
CN202421291155.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-02-21
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

The injection molds have fixed injection molds with fixed injection size and cannot be adjusted according to actual needs, resulting in low working efficiency and high labor intensity.

Method used

An injection mold that can adjust the size of the injection molding port is designed, and the internal size of the injection molding rectangular hole is adjusted through the cooperation of the trapezoidal adjustment plate, threaded rod and hollow cylinder. The user adjusts the injection molding port size by pulling the pull ring, turning the knob and moving the threaded rod.

Benefits of technology

The flexible adjustment of the injection molding port size is achieved, the working efficiency of the device is improved, and the stability of the device is ensured through the cooperation of grooves, clamping plates and springs.

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Abstract

The utility model discloses an injection mold capable of adjusting the size of an injection molding port, which belongs to the technical field of injection molds capable of adjusting the size of the injection molding port, 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 side plate, and the right side of the side plate is slidably connected with a top plate; an injection molding rectangular hole is communicated with the interior of the top plate, the top of the injection molding rectangular hole is communicated with a material storage box, the top of the material storage box is communicated with a feeding port, a trapezoidal adjusting plate is slidably connected with the interior of the injection molding rectangular hole, and a built-in groove is formed in the interior of the top plate. The function of adjusting the size of the interior of an injection molding rectangular hole is achieved through cooperation of a trapezoidal adjusting plate, a threaded rod and a hollow cylinder, the working efficiency of the device is improved, the trapezoidal adjusting plate is fixed through cooperation of a groove, a clamping plate and a spring, and the stability of the device is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of injection molds with adjustable injection port sizes, in particular to an injection mold with adjustable injection port sizes. 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] The existing injection port is generally a fixed structure, and its size is not easy to adjust according to actual needs and situations, which not only greatly reduces the working efficiency of the device but also increases the labor intensity of workers; therefore, we propose an injection mold with adjustable injection port size to solve this problem. Utility Model Content

[0004] The utility model aims to provide an injection mold with an adjustable injection port size 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] An injection mold with an adjustable injection port size comprises: 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 side plate, the right side of the side plate is slidably connected to a top plate, the interior of the top plate is connected to an injection rectangular hole, the top of the injection rectangular hole is connected to a material storage box, the top of the material storage box is connected to a feed port, and the interior of the injection rectangular hole is slidably connected to a trapezoidal adjustment plate.

[0007] Preferably, a built-in groove is provided inside the top plate, a longitudinal plate is fixedly connected inside the built-in groove, a hollow cylinder is rotatably connected inside the longitudinal plate, a threaded rod is threadedly connected inside the hollow cylinder, and the trapezoidal adjustment plate is fixedly connected to the right end of the threaded rod.

[0008] Preferably, a worm wheel is fixedly connected to the outside of the hollow cylinder, a worm is rotatably connected to the inside of the built-in groove, the worm is meshingly connected to the rear side of the worm wheel, a limiting ring is fixedly connected to the bottom of the inner wall of the built-in groove, the worm is rotatably connected to the inside of the limiting ring, a knob is fixedly connected to the top of the limiting ring, and the knob is rotatably connected to the top of the top plate.

[0009] Preferably, the knob is slidably connected to a card plate inside, a plurality of grooves are provided on the top of the top plate, the card plate is movably clamped in the inside of one of the grooves, a vertical groove is provided inside the knob, a vertical plate is slidably connected inside the vertical groove, the vertical plate and the top of the card plate are fixedly connected to pull rings, the bottom of the vertical plate is fixedly connected to a spring, and the bottom end of the spring is fixedly connected to the bottom of the inner wall of the vertical groove.

[0010] Preferably, a partition is fixedly connected to the inside of the side plate, a cylinder is fixedly connected to the top of the partition, an extension plate is fixedly connected to the output end of the cylinder, the top plate is fixedly connected to the right side of the extension plate, a long groove is provided on the right side of the side plate, and the extension plate is slidably connected to the inside of the long groove.

[0011] Preferably, a sealing plate is fixedly connected to the bottom of the top plate, and the sealing plate is movably abutted against the top of the injection mold body.

[0012] Preferably, both sides of the top of the bottom plate are fixedly connected with cylinders, and both sides of the bottom of the top plate are fixedly connected with positioning cylinders, and the two positioning cylinders are movably abutted against the outside of the corresponding cylinders.

[0013] In the utility model, the injection mold with adjustable injection port size is driven by pulling the pull ring upward to drive the clamping plate to move upward, thereby releasing the clamping relationship between the clamping plate and a groove, and further turning the knob to drive the worm to rotate, thereby causing the worm wheel and the hollow cylinder to start to rotate horizontally, thereby driving the threaded rod and the trapezoidal adjustment plate to start to move to the left, thereby adjusting the blanking size of the injection rectangular hole;

[0014] In the utility model, the injection mold with adjustable injection port size is described. When the pull ring is adjusted to a suitable position, the clamping plate starts to move downward under the action of the spring, and then establishes a clamping relationship with a corresponding groove. The cylinder is further started to drive the extension plate and the top plate to start reciprocating up and down for injection molding.

[0015] The utility model has a reasonable structural design. The function of adjusting the internal size of the injection-molded rectangular hole is realized through the cooperation of the trapezoidal adjustment plate, the threaded rod and the hollow cylinder, thereby improving the working efficiency of the device. The fixing effect of the trapezoidal adjustment plate is realized through the cooperation of the groove, the clamping plate and the spring, thereby improving the stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of an injection mold with adjustable injection port size proposed by the utility model;

[0017] Figure 2 This is a schematic cross-sectional view of an injection mold with an adjustable injection port size proposed by the utility model;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of a sealing plate, a trapezoidal adjustment plate, a longitudinal plate, etc. of an injection mold with an adjustable injection port size proposed by the utility model;

[0019] Figure 4 This is a schematic cross-sectional structure diagram of a built-in groove of an injection mold with an adjustable injection port size proposed by the utility model;

[0020] Figure 5 for Figure 4 A partial enlarged view of part A.

[0021] In the figure: 1. feed port; 2. storage box; 3. top plate; 4. side plate; 5. knob; 6. cylinder; 7. positioning cylinder; 8. injection mold body; 9. bottom plate; 10. injection rectangular hole; 11. trapezoidal adjustment plate; 12. sealing plate; 13. partition; 14. cylinder; 15. extension plate; 16. long groove; 17. pull ring; 18. groove; 19. longitudinal plate; 20. hollow cylinder; 21. worm gear; 22. worm; 23. limit ring; 24. vertical groove; 25. vertical plate; 26. clamping plate; 27. built-in groove; 28. threaded rod. DETAILED DESCRIPTION

[0022] 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.

[0023] Reference Figure 1-5 An injection mold with an adjustable injection port size comprises: an injection mold body 8 is fixedly connected to the top of a bottom plate 9, a side plate 4 is fixedly connected to the left side of the bottom plate 9, a top plate 3 is slidably connected to the right side of the side plate 4, an injection rectangular hole 10 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 injection rectangular hole 10, and a trapezoidal adjustment plate 11 is slidably connected inside the injection rectangular hole 10.

[0024] In this embodiment, a built-in groove 27 is provided inside the top plate 3, and the inside of the built-in groove 27 is fixedly connected to the longitudinal plate 19, and the inside of the longitudinal plate 19 is rotatably connected to the hollow cylinder 20, and the inside of the hollow cylinder 20 is threadedly connected to the threaded rod 28, and the trapezoidal adjustment plate 11 is fixedly connected to the right end of the threaded rod 28, and the bottom of the top plate 3 is fixedly connected to the sealing plate 12, which is movably abutted against the top of the injection mold body 8, thereby realizing the adjustment function of the sealing plate 12.

[0025] In this embodiment, the outside of the hollow tube 20 is fixedly connected to a worm wheel 21, the inside of the built-in groove 27 is rotatably connected to a worm 22, the worm 22 is meshingly connected to the rear side of the worm wheel 21, the bottom of the inner wall of the built-in groove 27 is fixedly connected to a limiting ring 23, the worm 22 is rotatably connected to the inside of the limiting ring 23, the top of the limiting ring 23 is fixedly connected to a knob 5, the knob 5 is rotatably connected to the top of the top plate 3, the top sides of the bottom plate 9 are fixedly connected to cylinders 6, the bottom sides of the top plate 3 are fixedly connected to positioning tubes 7, the two positioning tubes 7 are movably abutted against the outside of the corresponding cylinders 6, thereby realizing the function of adjusting the internal size of the injection-molded rectangular hole 10.

[0026] In this embodiment, the knob 5 is internally slidably connected with a card plate 26, a plurality of grooves 18 are provided on the top of the top plate 3, the card plate 26 is movably connected to the inside of one of the grooves 18, a vertical groove 24 is provided inside the knob 5, a vertical plate 25 is slidably connected to the inside of the vertical groove 24, the tops of the vertical plate 25 and the card plate 26 are fixedly connected with a pull ring 17, the bottom of the vertical plate 25 is fixedly connected with a spring, the bottom end of the spring is fixedly connected to the bottom of the inner wall of the vertical groove 24, thereby realizing the resetting function of the vertical plate 25.

[0027] In this embodiment, a partition plate 13 is fixedly connected to the inside of the side panel 4, a cylinder 14 is fixedly connected to the top of the partition plate 13, an extension plate 15 is fixedly connected to the output end of the cylinder 14, the top panel 3 is fixedly connected to the right side of the extension plate 15, a long groove 16 is provided on the right side of the side panel 4, and the extension plate 15 is slidably connected to the inside of the long groove 16, thereby realizing the injection molding function.

[0028] The pull ring 17 is pulled upward to drive the card plate 26 to move upward, thereby releasing the card plate 26 from the clamping relationship with a certain groove 18, and further turning the knob 5 drives the worm 22 to rotate, thereby causing the worm wheel 21 and the hollow cylinder 20 to start to rotate horizontally, thereby driving the threaded rod 28 and the trapezoidal adjustment plate 11 to start to move to the left, thereby adjusting the blanking size of the injection molding rectangular hole 10, and releasing the pull ring 17 when it is adjusted to a suitable position. At this time, under the action of the spring, the card plate 26 starts to move downward, thereby establishing a clamping relationship with a corresponding groove 18, and further starting the cylinder 14 drives the extension plate 15 and the top plate 3 to start reciprocating up and down for injection molding. The adjustment function of the internal size of the injection molding rectangular hole 10 is realized through the cooperation of the trapezoidal adjustment plate 11, the threaded rod 28 and the hollow cylinder 20, thereby improving the working efficiency of the device, and the fixing effect of the trapezoidal adjustment plate 11 is realized through the cooperation of the groove 18, the card plate 26 and the spring, thereby improving the stability of the device.

[0029] The above is a detailed introduction to an injection mold with adjustable injection port size 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 injection mold with adjustable injection port size, characterized in that: include: A bottom plate (9), the top of the bottom plate (9) is fixedly connected to an injection mold body (8), the left side of the bottom plate (9) is fixedly connected to a side plate (4), the right side of the side plate (4) is slidably connected to a top plate (3), the interior of the top plate (3) is connected to an injection rectangular hole (10), the top of the injection rectangular hole (10) is connected to a material storage box (2), the top of the material storage box (2) is connected to a feed port (1), and the interior of the injection rectangular hole (10) is slidably connected to a trapezoidal adjustment plate (11).

2. The injection mold with adjustable injection port size according to claim 1, characterized in that: The top plate (3) is provided with a built-in groove (27) inside, a longitudinal plate (19) is fixedly connected inside the built-in groove (27), a hollow cylinder (20) is rotatably connected inside the longitudinal plate (19), a threaded rod (28) is threadedly connected inside the hollow cylinder (20), and the trapezoidal adjustment plate (11) is fixedly connected to the right end of the threaded rod (28).

3. The injection mold with adjustable injection port size according to claim 2, characterized in that: The outside of the hollow cylinder (20) is fixedly connected to a worm wheel (21), the inside of the built-in groove (27) is rotatably connected to a worm (22), the worm (22) is meshingly connected to the rear side of the worm wheel (21), the bottom of the inner wall of the built-in groove (27) is fixedly connected to a limit ring (23), the worm (22) is rotatably connected to the inside of the limit ring (23), the top of the limit ring (23) is fixedly connected to a knob (5), and the knob (5) is rotatably connected to the top of the top plate (3).

4. The injection mold with adjustable injection port size according to claim 3, characterized in that: The knob (5) is slidably connected to a card plate (26) inside, a plurality of grooves (18) are provided on the top of the top plate (3), the card plate (26) is movably connected to the inside of a certain groove (18), a vertical groove (24) is provided inside the knob (5), a vertical plate (25) is slidably connected inside the vertical groove (24), the vertical plate (25) and the card plate (26) are both fixedly connected to a pull ring (17) at the top, the vertical plate (25) is fixedly connected to the bottom of a spring, and the bottom end of the spring is fixedly connected to the bottom of the inner wall of the vertical groove (24).

5. The injection mold with adjustable injection port size according to claim 1, characterized in that: A partition plate (13) is fixedly connected inside the side plate (4), a cylinder (14) is fixedly connected to the top of the partition plate (13), an extension plate (15) is fixedly connected to the output end of the cylinder (14), the top plate (3) is fixedly connected to the right side of the extension plate (15), a long groove (16) is provided on the right side of the side plate (4), and the extension plate (15) is slidably connected inside the long groove (16).

6. The injection mold with adjustable injection port size according to claim 1, characterized in that: A sealing plate (12) is fixedly connected to the bottom of the top plate (3), and the sealing plate (12) is movably abutted against the top of the injection mold body (8).

7. The injection mold with adjustable injection port size according to claim 1, characterized in that: The top sides of the bottom plate (9) are fixedly connected to cylinders (6), and the bottom sides of the top plate (3) are fixedly connected to positioning cylinders (7), and the two positioning cylinders (7) are movably abutted against the outside of the corresponding cylinders (6).