Core pulling device of injection mold

Abstract

The utility model discloses an injection mold core pulling device which comprises a device main fixing plate, an upper cover plate is movably connected to the upper surface of the device main fixing plate in a clamped mode, a limiting ring is fixedly connected to the upper surface of the upper cover plate, and a pulling rod is movably connected to the inner ring surface of the limiting ring. A connecting plate is fixedly connected to the surface of the side edge of the device main fixing plate, a second telescopic rod is fixedly connected to one side of the connecting plate, a baffle is fixedly connected to the front surface of the device main fixing plate, a first telescopic rod is fixedly connected to the surface of the back of the baffle, and a first pulling plate is fixedly connected to one side of the first telescopic rod. The upper surface of the device main fixing plate is fixedly connected with a fixing block, and one side of the fixing block is fixedly connected with a nut. According to the device, a plurality of mounting openings are formed in the front surface of the device main fixing plate, and bolts are matched, so that the device main fixing plate can be used, limited and mounted by a user.

Description

Technical Field

[0001] The utility model belongs to the technical direction of injection molds, and specifically relates to a core pulling device for an injection mold. Background Art

[0002] Injection molds are tools for producing plastic products; they are also tools that give plastic products a complete structure and precise dimensions. Injection molding is a processing method used in mass production of certain parts with complex shapes. Specifically, it refers to the process of injecting heated and melted plastic into the mold cavity under high pressure by an injection molding machine, and then cooling and solidifying to obtain a molded product. When the user uses injection molding, core pulling is required.

[0003] The existing technology has the following problems:

[0004] 1. The existing core pulling devices on the market require users to manually pull the core of the injection mold when the user needs to pull the core. This will cause the problem of incomplete air extraction during core pulling, and increase labor loss;

[0005] 2. The existing core pulling devices on the market need to be pressed by external force when the user needs to fix them, and this may result in insufficient stability of the limit. Utility Model Content

[0006] The utility model aims to provide an injection mold core pulling device for existing devices to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: an injection mold core pulling device, comprising a main fixing plate of the device, the upper surface of which is movably connected with an upper cover plate, and the upper surface of the upper cover plate is fixedly connected with a limiting ring.

[0008] The inner ring surface of the limit ring is movably connected with a draw rod, the side surface of the main fixed plate of the device is fixedly connected with a connecting plate, one side of the connecting plate is fixedly connected with a second telescopic rod, and the front surface of the main fixed plate of the device is fixedly connected with a baffle.

[0009] The back surface of the baffle is fixedly connected with a first telescopic rod, one side of the first telescopic rod is fixedly connected with a first drawer plate, the upper surface of the main fixed plate of the device is fixedly connected with a fixed block, one side of the fixed block is fixedly connected with a nut, and one side of the upper cover plate is fixedly connected with a connecting block.

[0010] The utility model further describes that a mounting opening is formed through the surface of the main fixing plate of the device, and the number of the mounting openings is multiple and the multiple mounting openings are respectively arranged at the four corners of the main fixing plate of the device.

[0011] By adopting the above technical solution, the plurality of mounting openings in the solution are respectively arranged at the four corners of the main fixing plate of the device, so that the user can easily perform installation and positioning of the main fixing plate of the device.

[0012] The utility model further describes that an extended threaded rod is movably connected to the inner ring surface of the nut, and the extended threaded rod is connected through the nut and the fixing block and the main fixing plate of the device.

[0013] By adopting the above technical solution, the extended threaded rod connected between the nut and the fixing block and the main fixing plate of the device can facilitate the user to connect the extended threaded rod and the fixing block.

[0014] The utility model further illustrates that a second drawer plate is fixedly connected to one side of the second telescopic rod, and the second drawer plate is connected between the second telescopic rod and the connecting plate.

[0015] By adopting the above technical solution, the second drawing plate connected between the second telescopic rod and the connecting plate in the solution can facilitate the user to use the core drawing.

[0016] The utility model further illustrates that the drawer rod is provided with a pull ring opening, and the pull ring opening penetrates the drawer rod.

[0017] By adopting the above technical solution, the pull ring opening that passes through the draw rod in this solution can facilitate the user to use and pull the draw rod.

[0018] The utility model further describes that the fixing block connects the nut and the main fixing plate of the device, and the fixing block is symmetrically arranged with the vertical center line of the nut as the symmetry axis.

[0019] By adopting the above technical solution, the fixing block symmetrically arranged with the vertical midline of the nut as the symmetry axis can facilitate the user to stably install the nut on the main fixing plate of the device.

[0020] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0021] The utility model provides an injection mold core pulling device, and through the mutual cooperation and use of the main fixed plate of the device, the installation opening, the baffle, the first telescopic rod, the first pulling plate, the upper cover plate, the pulling rod, the second telescopic rod, the connecting plate, the connecting block, the extended threaded rod, the fixing block, the nut, the limiting ring, the second pulling plate and the pull ring opening, the user can perform automatic core pulling, thereby reducing labor loss. The baffle and the first telescopic rod fixedly connected to the front surface of the main fixed plate of the device can be used to pull the core inside the main fixed plate of the device after the user starts the first telescopic rod. The user can pull the second pulling plate through the second telescopic rod and after the user starts the second telescopic rod, so as to pull the core inside the main fixed plate of the device, thereby satisfying the user's demand for automatic core pulling.

[0022] The utility model provides an injection mold core pulling device, and through a plurality of installation openings opened on the front surface of a main fixing plate of the device and equipped with bolts, a user can perform a limited installation on the main fixing plate of the device, thereby meeting the user's demand for limited installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 It is a top view of the structure of the utility model;

[0026] Figure 3 It is a structural cross-sectional view of the utility model;

[0027] Figure 4 It is a structural front cross-sectional view of the utility model;

[0028] Figure 5 It is a bottom view of the structure of the utility model.

[0029] In the figure: 1. Main fixing plate of the device; 2. Installation opening; 3. Baffle; 4. First telescopic rod; 5. First draw plate; 6. Upper cover plate; 7. Draw rod; 8. Second telescopic rod; 9. Connecting plate; 10. Connecting block; 11. Extended threaded rod; 12. Fixing block; 13. Nut; 14. Limiting ring; 15. Second draw plate; 16. Pull ring opening. DETAILED DESCRIPTION

[0030] The following is a further non-limiting detailed description of the technical solution of the utility model in conjunction with the preferred embodiments and the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0031] See also Figure 1-5 The utility model provides a technical solution: a core pulling device for an injection mold, comprising a main fixed plate 1 of the device, an upper cover plate 6 is movably connected to the upper surface of the main fixed plate 1, a limiting ring 14 is fixedly connected to the upper surface of the upper cover plate 6, and a pulling rod 7 is movably connected to the inner ring surface of the limiting ring 14.

[0032] In this embodiment, a mounting opening 2 is provided through the surface of the main fixing plate 1 of the device, and the number of the mounting openings 2 is multiple and the multiple mounting openings 2 are respectively arranged at the four corners of the main fixing plate 1 of the device. The number of the mounting openings 2 is multiple and the multiple mounting openings 2 are respectively arranged at the four corners of the main fixing plate 1 of the device, which can facilitate the user to use the main fixing plate 1 of the device for installation and positioning. The inner ring surface of the nut 13 is movably connected with an extended threaded rod 11, and the extended threaded rod 11 is connected to the main fixing plate 1 of the device through the nut 13 and the fixing block 12. The extended threaded rod 11 connected to the main fixing plate 1 of the device through the nut 13 and the fixing block 12 can facilitate the user to connect the extended threaded rod 11 and the fixing block 12. Example

[0033] like Figure 1-5 As shown, based on Example 1, the utility model provides a technical solution: preferably, a connecting plate 9 is fixedly connected to the side surface of the main fixed plate 1 of the device, a second telescopic rod 8 is fixedly connected to one side of the connecting plate 9, and a baffle 3 is fixedly connected to the front surface of the main fixed plate 1 of the device.

[0034] In this embodiment, a second pulling plate 15 is fixedly connected to one side of the second telescopic rod 8, and the second pulling plate 15 is connected through the second telescopic rod 8 and the connecting plate 9. The second pulling plate 15 connected between the second telescopic rod 8 and the connecting plate 9 can facilitate the user to use the pulling core. The pulling rod 7 is provided with a pull ring opening 16, and the pull ring opening 16 passes through the pulling rod 7. The pull ring opening 16 that passes through the pulling rod 7 can facilitate the user to pull the pulling rod 7 for use. Example

[0035] like Figure 1-5As shown, on the basis of Example 1 and Example 2, the utility model provides a technical solution: preferably, the back surface of the baffle 3 is fixedly connected with the first telescopic rod 4, one side of the first telescopic rod 4 is fixedly connected with the first drawer plate 5, the upper surface of the main fixed plate 1 of the device is fixedly connected with the fixing block 12, one side of the fixing block 12 is fixedly connected with the nut 13, and one side of the upper cover plate 6 is fixedly connected with the connecting block 10.

[0036] In this embodiment, the fixing block 12 connects the nut 13 and the main fixing plate 1 of the device, and the fixing block 12 is symmetrically arranged with the vertical center line of the nut 13 as the symmetry axis. The fixing block 12 symmetrically arranged with the vertical center line of the nut 13 as the symmetry axis can facilitate the user to stably install the nut 13 on the main fixing plate 1 of the device.

[0037] like Figure 1-5 As shown, when the user needs to use it, the baffle 3 and the first telescopic rod 4 are fixedly connected to the front surface of the main fixing plate 1 of the device, and after the user starts the first telescopic rod 4, the user can pull the core inside the main fixing plate 1 of the device, and the user uses the second telescopic rod 8 and after the user starts the second telescopic rod 8, the user can pull the second pulling plate 15 to pull the core inside the main fixing plate 1 of the device, so that the user can automatically use the core pulling, and through the multiple installation openings 2 opened on the front surface of the main fixing plate 1 of the device and equipped with bolts, the user can use the main fixing plate 1 for limited installation, so that the user can use the limited installation.

[0038] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0039] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit them. Although the utility model is described in detail with reference to the above embodiments, a person skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some of the technical features can be replaced by equivalents, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. An injection mold core pulling device, comprising a main fixing plate (1) of the device, characterized in that: An upper cover plate (6) is movably connected to the upper surface of the main fixed plate (1) of the device, and a limiting ring (14) is fixedly connected to the upper surface of the upper cover plate (6); The inner ring surface of the limiting ring (14) is movably connected to a draw rod (7), the side surface of the main fixing plate (1) of the device is fixedly connected to a connecting plate (9), and one side of the connecting plate (9) is fixedly connected to a second telescopic rod (8); A baffle (3) is fixedly connected to the front surface of the main fixing plate (1) of the device, a first telescopic rod (4) is fixedly connected to the back surface of the baffle (3), a first drawer plate (5) is fixedly connected to one side of the first telescopic rod (4), a fixing block (12) is fixedly connected to the upper surface of the main fixing plate (1) of the device, a nut (13) is fixedly connected to one side of the fixing block (12), and a connecting block (10) is fixedly connected to one side of the upper cover plate (6).

2. The core pulling device for injection mold according to claim 1, characterized in that: The surface of the device main fixing plate (1) is penetrated by a mounting opening (2), and the mounting openings (2) are multiple in number and the multiple mounting openings (2) are respectively arranged at the four corners of the device main fixing plate (1).

3. The core pulling device for injection mold according to claim 1, characterized in that: An extended threaded rod (11) is movably connected to the inner ring surface of the nut (13), and the extended threaded rod (11) is connected to the main fixing plate (1) of the device through the nut (13) and the fixing block (12).

4. The core pulling device for injection mold according to claim 1, characterized in that: A second drawer plate (15) is fixedly connected to one side of the second telescopic rod (8), and the second drawer plate (15) is connected between the second telescopic rod (8) and the connecting plate (9).

5. The core pulling device for injection mold according to claim 1, characterized in that: The draw rod (7) is provided with a pull ring opening (16), and the pull ring opening (16) passes through the draw rod (7).

6. The core pulling device for injection mold according to claim 1, characterized in that: The fixing block (12) connects the nut (13) and the main fixing plate (1) of the device, and the fixing block (12) is symmetrically arranged with the vertical midline of the nut (13) as the symmetry axis.

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