Press fit mold for injection molding

By designing the press-fit mold for injection molding, and using the adjustment system driven by mobile components and motor, rapid adjustment and cooling of the upper and lower molds is achieved, the problems of long cooling time and low efficiency of traditional molds are solved, production efficiency is improved and resource utilization is achieved.

CN222819437UActive Publication Date: 2025-05-02SHANGHAI CHANGHENG INTELLIGENT MFG TECH CO LTD
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Patent Information

Application Number
CN202421210078.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-30
Publication Date
2025-05-02
Estimated Expiration
2034-05-30

AI Technical Summary

Technical Problem

It is difficult for traditional injection molds to get out of the lower mold after pressing, resulting in long cooling time of the mold and low production efficiency. Some molds need to be manually pressed, which is inefficient.

Method used

A press-fit mold for injection molding is designed, including a processing table, a mobile rack, a cylinder, a rod, an upper mold and a lower mold. Through the control system driven by moving components and motor, rapid adjustment and cooling of the upper and lower molds are achieved, and mold cooling is accelerated using the mineral oil circulation cooling system.

Benefits of technology

The rapid cooling and mold release of the mold is achieved, production efficiency is improved, the demand for manual operation is reduced, and the efficient utilization of resources is achieved through the recycling of mineral oil.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of injection molds, in particular to a pressing mold for injection molding, which comprises a processing table, the processing table is positioned at the bottom end of the whole device, a moving frame is mounted on the processing table, the moving frame is connected with a moving component at the bottom end of the processing table, an air cylinder is mounted on the moving frame, and an air rod is mounted at the output end of the air cylinder. An upper die is fixedly installed at the bottom end of the air rod, a lower die is installed at the lower end of the upper die, the lower die is fixedly connected with the machining table, a cooling cavity is installed in the lower die, and one end of the cooling cavity is communicated with an oil inlet pipe. Left-right adjustment of a moving frame is achieved through rotation driving of a moving assembly motor of a press-fit mold of the device, in the press-fit process of the device, a first oil conveying pump is connected with an oil inlet pipe to inject mineral oil into a cooling cavity, the formed mold needs to be cooled, rapid shaping is facilitated, and the production efficiency is improved. Wherein the second oil storage tank is communicated with the first oil storage tank through the connecting pipe, so that the mineral oil can be recycled for multiple times.
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Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to a pressing mold for injection molding. Background Art

[0002] With the continuous development of society and the continuous progress of science, many manufacturing industries will use injection molds, and injection molds are a molding method that combines injection and molding. The advantages of the injection molding method are fast production speed, high efficiency, automated operation, a wide variety of patterns and colors, shapes from simple to complex, sizes from large to small, and precise product sizes, and easy product updates.

[0003] Usually, after pressing, the upper mold of a traditional injection mold is at the upper end of the lower mold, which affects demoulding and also causes a long cooling time of the mold and slow production efficiency. At the same time, some injection molds need to be pressed manually, which is very troublesome and has low pressing efficiency. A pressing mold for injection molding is needed to solve this problem. Utility Model Content

[0004] The utility model aims to provide a pressing mold for injection molding to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pressing mold for injection molding, comprising a processing table, the processing table is located at the bottom end of the entire device, a movable frame is installed on the processing table, the movable frame is connected to the movable component at the bottom end of the processing table, a cylinder is installed on the movable frame, a gas rod is installed at the output end of the cylinder, an upper mold is fixedly installed at the bottom end of the gas rod, a lower mold is installed at the lower end of the upper mold, the lower mold is fixedly connected to the processing table, a cooling cavity is installed in the lower mold, one end of the cooling cavity is connected to an oil inlet pipe, and the oil inlet pipe is connected to a first oil pump.

[0006] As a preferred technical solution of the utility model, a motor is installed on the moving component, a rotating rod is installed on the output end of the motor, first bevel gears are fixedly installed on the symmetrical ends of the rotating rod, second bevel gears are meshed on the side ends of the first bevel gears, threaded rods are fixedly installed on the second bevel gears, threaded sleeves are threadedly connected on the threaded rods, a connecting block is fixedly installed on the threaded sleeves, and a moving frame is fixedly installed on the top of the connecting block.

[0007] As a preferred technical solution of the utility model, a bearing is rotatably connected to the threaded rod, and the bearing is fixedly installed in the processing table. A slot is opened on the processing table, and the opening of the slot is larger than the size of the connecting block.

[0008] As a preferred technical solution of the utility model, a molding cavity is provided on the lower mold, and the molding cavity is pressed with the bottom end of the upper mold.

[0009] As a preferred technical solution of the utility model, one end of the cooling chamber is connected to an oil outlet pipe, the oil outlet pipe is communicated with a second oil storage tank, and a second oil pump is installed in the second oil storage tank.

[0010] As a preferred technical solution of the present utility model, the second oil storage tank is connected to the first oil storage tank through a connecting pipe via a second oil pump, and the first oil pump is located in the first oil storage tank.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] (1) The utility model is a pressing mold for injection molding. The rotation of the motor of the moving assembly of the pressing mold arranged in the device drives the moving frame to adjust left and right. During the pressing process of the device, mineral oil is injected into the cooling chamber through the first oil pump connected to the oil inlet pipe. The molded mold needs to be cooled to facilitate rapid shaping. The second oil storage tank is connected to the first oil storage tank through a connecting pipe, thereby realizing multiple recycling of the mineral oil. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a structural schematic diagram of a pressing mold for injection molding according to an embodiment of the utility model;

[0015] Figure 2 It is a schematic diagram of the structure inside a pressing mold for injection molding according to an embodiment of the utility model;

[0016] Figure 3 It is a top view of a processing table of a pressing mold for injection molding according to an embodiment of the utility model.

[0017] Reference numerals:

[0018] 1. Processing table; 2. Moving frame; 3. Cylinder; 4. Gas rod; 5. Upper die; 6. Slotting; 7. Lower die; 8. Molding cavity; 9. Oil outlet pipe; 10. First oil storage tank; 11. First oil pump; 12. Oil inlet pipe; 13. Cooling cavity; 14. Second oil storage tank; 15. Second oil pump; 16. Connecting pipe; 17. Motor; 18. Rotating rod; 19. First bevel gear; 20. Second bevel gear; 21. Threaded rod; 22. Bearing; 23. Threaded sleeve; 24. Connecting block. DETAILED DESCRIPTION

[0019] Below, in conjunction with the accompanying drawings and specific implementation methods, the utility model is further described: Example

[0020] See also Figure 1 to Figure 2 Embodiment 1 is described, including a processing table 1, which is located at the bottom end of the entire device, a movable frame 2 is installed on the processing table 1, and the movable frame 2 is connected to the movable component at the bottom end of the processing table 1, a cylinder 3 is installed on the movable frame 2, and a gas rod 4 is installed at the output end of the cylinder 3, an upper mold 5 is fixedly installed at the bottom end of the gas rod 4, a lower mold 7 is installed at the lower end of the upper mold 5, and the lower mold 7 is fixedly connected to the processing table 1, a cooling cavity 13 is installed in the lower mold 7, one end of the cooling cavity 13 is connected to an oil inlet pipe 12, and the oil inlet pipe 12 is connected to a first oil pump 11, a molding cavity 8 is opened on the lower mold 7, and the molding cavity 8 is pressed with the bottom end of the upper mold 5, one end of the cooling cavity 13 is connected to an oil outlet pipe 9, and the oil outlet pipe 9 is connected to a second oil storage tank 14, a second oil pump 15 is installed in the second oil storage tank 14, and the second oil storage tank 14 is connected to the first oil storage tank 10 through the second oil pump 15 through a connecting pipe 16, and the first oil pump 11 is in the first oil storage tank 10;

[0021] In this embodiment, the cooling chamber 13 is connected to the oil inlet pipe 12 through the first oil pump 11 to inject mineral oil into the cooling chamber 13 to cool the mold, wherein the second oil storage tank 14 is connected to the first oil storage tank 10 through the connecting pipe 16, thereby realizing multiple recycling of the mineral oil. Example

[0022] See also Figure 2 to Figure 3 Embodiment 2 is described. This embodiment further describes Embodiment 1, including a motor 17 mounted on a moving assembly, a rotating rod 18 mounted on an output end of the motor 17, first bevel gears 19 fixedly mounted on symmetrical ends of the rotating rod 18, second bevel gears 20 meshing with side ends of the first bevel gears 19, threaded rods 21 fixedly mounted on the second bevel gears 20, threaded sleeves 23 threadedly connected to the threaded rods 21, connecting blocks 24 fixedly mounted on the threaded sleeves 23, a moving frame 2 fixedly mounted on the top of the connecting blocks 24, a bearing 22 rotatably connected to the threaded rods 21, the bearing 22 fixedly mounted in a processing table 1, a slot 6 opened on the processing table 1, and the opening of the slot 6 is larger than the size of the connecting block 24;

[0023] In this embodiment, a moving assembly is provided to adjust the position of the moving frame 2, and the left and right adjustment of the moving frame 2 is achieved by the rotation of the motor 17, which is convenient for demoulding.

[0024] In specific applications, the pressing mold provided in the device adjusts the position of the moving frame 2 through the moving component, and the rotation of the motor 17 drives the rotation of the first bevel gear 19 on the rotating rod 18. Since the second bevel gear 20 is meshed on one side of the first bevel gear 19, the threaded rod 21 on the second bevel gear 20 is rotated, and the threaded rod 21 is connected to the moving frame 2 through a connecting block, thereby realizing the left and right adjustment of the moving frame 2. The cylinder 3 is installed on the moving frame 2 to control the gas rod 4 to adjust the height of the upper mold 5, which is convenient for cooperating with the lower mold 7 to realize the pressing of the mold. During the pressing process, the formed mold needs to be cooled and cooled to facilitate rapid shaping. The device connects the oil inlet pipe 12 through the first oil pump 11 to inject mineral oil into the cooling chamber 13, and cools the mold with the mineral oil. After cooling, it enters the second oil storage tank 14, wherein the second oil storage tank 14 is connected to the first oil storage tank 10 through the connecting pipe 16, thereby realizing multiple recycling of the mineral oil.

[0025] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top end", "bottom end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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 of the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A pressing mold for injection molding, characterized in that: The invention comprises a processing table (1), wherein the processing table (1) is located at the bottom end of the entire device, a movable frame (2) is installed on the processing table (1), the movable frame (2) is connected to a movable component at the bottom end of the processing table (1), a cylinder (3) is installed on the movable frame (2), a gas rod (4) is installed at the output end of the cylinder (3), an upper mold (5) is fixedly installed at the bottom end of the gas rod (4), a lower mold (7) is installed at the lower end of the upper mold (5), the lower mold (7) is fixedly connected to the processing table (1), a cooling cavity (13) is installed in the lower mold (7), one end of the cooling cavity (13) is connected to an oil inlet pipe (12), and the oil inlet pipe (12) is connected to a first oil pump (11).

2. The injection molding die according to claim 1, characterized in that: A motor (17) is mounted on the moving assembly, a rotating rod (18) is mounted on the output end of the motor (17), first bevel gears (19) are fixedly mounted on the symmetrical ends of the rotating rod (18), second bevel gears (20) are meshed on the side ends of the first bevel gears (19), threaded rods (21) are fixedly mounted on the second bevel gears (20), threaded sleeves (23) are threadedly connected to the threaded rods (21), a connecting block (24) is fixedly mounted on the threaded sleeves (23), and a moving frame (2) is fixedly mounted on the top end of the connecting block (24).

3. The injection molding die according to claim 2, characterized in that: A bearing (22) is rotatably connected to the threaded rod (21), and the bearing (22) is fixedly installed in the processing table (1). A slot (6) is provided on the processing table (1), and the opening of the slot (6) is larger than the size of the connecting block (24).

4. The injection molding die according to claim 1, characterized in that: The lower mold (7) is provided with a molding cavity (8), and the molding cavity (8) is pressed together with the bottom end of the upper mold (5).

5. The injection molding die according to claim 1, characterized in that: One end of the cooling chamber (13) is connected to an oil outlet pipe (9), the oil outlet pipe (9) is in communication with a second oil storage tank (14), and a second oil delivery pump (15) is installed in the second oil storage tank (14).

6. The injection molding die according to claim 5, characterized in that: The second oil storage tank (14) is connected to the first oil storage tank (10) via a connecting pipe (16) via a second oil delivery pump (15); the first oil delivery pump (11) is located in the first oil storage tank (10).