Injection mold with sectional side mold opening structure

Abstract

The utility model discloses a sectional type side mould opens mould structure's injection mold, the utility model relates to injection mold technical field, including lower mould, product and moving mechanism, be provided with the cavity that is matched with product on lower mould, the top and side portion of lower mould are connected with upper mould and side mould respectively, be provided with the upper convex post of penetrating product on upper mould, be provided with the side convex post of penetrating product on side mould, the moving mechanism is used for moving upper mould and side mould, when opening mould, through upper mould first opening mould drives upper convex post to leave product, like this does not influence the subsequent product and moves to separate lower mould, then side mould opens mould again and drives side convex post to leave product, and side mould can drive extrusion rod to move simultaneously when opening mould, and then can extrude fixed plate during opening mould, so that the stripper rod can automatically push out the product to the lateral, then slightly moves the product again, makes it leave lower mould, can take out the product.

Description

Technical Field

[0001] This utility model relates to the field of injection mold technology, specifically to an injection mold with a segmented side mold opening structure. Background Technology

[0002] Existing injection molds generally consist of an upper mold and a lower mold. When the mold opens, the upper mold separates from the lower mold, and then the product is ejected. For example, the authorization announcement number CN222061028U discloses an injection mold that is easy to replace. It includes a base plate, a top plate fixedly installed on the upper surface of the base plate by support legs, a hydraulic cylinder fixedly installed on the upper surface of the top plate, an upper mold fixedly connected to the output end of the hydraulic cylinder, a bottom mold fixedly installed on the upper surface of the base plate, and a lower mold snapped into the inside of the bottom mold.

[0003] In the current technology for injection molding L-shaped products, connection holes are often required on both sides. In order to meet the requirements of one-time injection molding, a telescopic structure with a pull pin is installed on the side of the mold. When the L-shaped product is large, a large distance is required between the upper mold and the lower mold after the upper mold opens in order to allow the product to be removed after demolding. Similarly, the mold closing also takes a long time, which results in long mold opening and closing time and affects production efficiency. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides an injection mold with a segmented side mold opening structure, which solves the problems existing in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a segmented side mold opening structure injection mold, comprising a lower mold, a product, and a moving mechanism. The lower mold has a cavity matching the product. The top and side of the lower mold are respectively fitted and connected to an upper mold and a side mold. The upper mold has an upper protrusion penetrating the product, and the side mold has a side protrusion penetrating the product. The moving mechanism is used to move the upper mold and the side mold. The lower mold has multiple ejector rods that communicate with the cavity laterally. All ejector rods are connected to a fixed plate. A return spring is detachably connected between the fixed plate and the lower mold. The side mold has an extrusion rod for extruding the fixed plate.

[0006] Preferably, the moving mechanism includes a mounting plate, a hydraulic telescopic rod one is fixedly connected to the top of the inner wall of the mounting plate, a hydraulic telescopic rod two is fixedly connected to the left side of the inner wall of the mounting plate, the piston rod of the hydraulic telescopic rod one is connected to the upper mold, and the piston rod of the hydraulic telescopic rod two is connected to the side mold.

[0007] Preferably, the moving mechanism further includes four upper guide pillars and four side guide pillars penetrating the mounting plate, with the four upper guide pillars fixedly connected to the upper mold and the four side guide pillars fixedly connected to the side mold.

[0008] Preferably, the bottom of the mounting plate is fixedly connected to the base, the base is provided with a support seat, and the support seat is fixedly connected to the lower mold.

[0009] Preferably, a connecting rod is fixedly connected to the lower mold, the connecting rod is fixedly connected to the baffle, the baffle is fitted to the right side of the fixed plate, and the fixed plate is slidably sleeved on the connecting rod.

[0010] Preferably, a vertical rod is inserted into the top of the fixing plate, the vertical rod is slidably connected to the upper mold, and a buffer spring connected to the vertical rod is provided on the upper mold.

[0011] This invention provides an injection mold with a segmented side mold opening structure. Compared with the prior art, it has the following advantages:

[0012] 1. This segmented side mold opening structure injection mold opens by first opening the upper mold, causing the upper protrusion to move away from the product. This does not affect the subsequent upward movement of the product away from the lower mold. Then, the side mold opens, causing the side protrusion to move away from the product. During the mold opening, the side mold can simultaneously move the extrusion rod, and thus extrude the fixing plate during the mold opening process. This allows the demolding rod to automatically push the product to the side. Then, the product is slightly moved upward to move away from the lower mold, and the product can be removed. The entire process adopts segmented mold opening, and the side protrusion moves with the side mold. This satisfies the purpose of lateral core pulling of the product, and the upper mold does not need to move a large distance. Similarly, the side mold does not need to move a large distance. Therefore, it can also achieve the purpose of rapid product demolding, thereby improving production efficiency.

[0013] 2. The injection mold with this segmented side mold opening structure, through the connecting rod and the baffle, can make the fixed plate press against the baffle under the action of the return spring, thus preventing the demolding rod from retracting completely into the lower mold; when the upper mold moves down to close the mold, the vertical rod can be inserted into the fixed plate, thus fixing the fixed plate and fixing the demolding rod, so that even if the elasticity of the return spring fails, the demolding rod will not extend into the cavity. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the lower mold of this utility model;

[0016] Figure 3 This utility model Figure 1 A cross-sectional schematic diagram;

[0017] Figure 4 This is a schematic diagram of the product being demolded according to this utility model.

[0018] In the diagram: 1. Lower mold; 2. Product; 3. Cavity; 4. Upper mold; 5. Side mold; 6. Upper protrusion; 7. Side protrusion; 8. Hydraulic telescopic rod one; 9. Hydraulic telescopic rod two; 10. Demolding rod; 11. Fixing plate; 12. Return spring; 13. Extrusion rod; 14. Base; 15. Support base; 16. Connecting rod; 17. Baffle; 18. Vertical rod; 19. Buffer spring; 20. Upper guide post; 21. Side guide post; 22. Mounting plate. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] See Figures 1-4 This utility model provides the following two technical solutions:

[0021] First embodiment: An injection mold with a segmented side mold opening structure includes a lower mold 1, a product 2 and a moving mechanism. The lower mold 1 is provided with a cavity 3 that matches the product 2. The top and side of the lower mold 1 are respectively fitted and connected to an upper mold 4 and a side mold 5. The upper mold 4 is provided with an upper protrusion 6 that penetrates the product 2, and the side mold 5 is provided with a side protrusion 7 that penetrates the product 2 for forming connecting holes at both ends of the product 2. The moving mechanism is used to move the upper mold 4 and the side mold 5.

[0022] The lower mold 1 has multiple demolding rods 10 that are connected to the cavity 3 in a transverse direction. All demolding rods 10 are connected to the fixed plate 11. A return spring 12 is detachably connected between the fixed plate 11 and the lower mold 1. The side mold 5 is provided with a pressing rod 13 for pressing the fixed plate 11.

[0023] like Figure 4 As shown, during mold opening, the upper mold 4 first drives the upper protrusion 6 away from the product 2, and then the side mold 5 drives the side protrusion 7 away from the product 2. The side mold 5 can simultaneously drive the extrusion rod 13 to move during mold opening, and then after the mold opens to a certain extent, it begins to extrude the fixing plate 11, so that the demolding rod 10 can automatically push the product 2 to the side. At this time, the left end of the product 2 is located between the lower mold 1 and the side mold 5. Then, by manually slightly moving the product 2 upward, it can be removed from the top cavity of the lower mold 1. The whole process adopts segmented mold opening. With the side protrusion 7 following the movement of the side mold 5, the purpose of lateral core pulling of the product 2 is satisfied, and the upper mold 4 does not need to move a large distance, and the side mold 5 also does not need to move a large distance. Therefore, the purpose of rapid demolding of the product 2 can be achieved, thereby improving production efficiency.

[0024] The moving mechanism includes a mounting plate 22. A hydraulic telescopic rod 8 is fixedly connected to the top of the inner wall of the mounting plate 22. A hydraulic telescopic rod 9 is fixedly connected to the left side of the inner wall of the mounting plate 22. The piston rod of the hydraulic telescopic rod 8 is connected to the upper mold 4. The piston rod of the hydraulic telescopic rod 9 is connected to the side mold 5. The extension and retraction of the hydraulic telescopic rod 8 drives the upper mold 4 to rise and fall. The extension and retraction of the hydraulic telescopic rod 9 drives the side mold 5 to move laterally.

[0025] To ensure the stability of mold opening and closing, the moving mechanism also includes four upper guide pillars 20 and four side guide pillars 21 that penetrate the mounting plate 22. The four upper guide pillars 20 are all fixedly connected to the upper mold 4, and the four side guide pillars 21 are all fixedly connected to the side mold 5, so that the upper mold 4 and the side mold 5 can be guided when opening and closing.

[0026] The bottom of the mounting plate 22 is fixedly connected to the base 14. The base 14 is provided with a support seat 15, and the support seat 15 is fixedly connected to the lower mold 1. The support seat 15 is provided so that there is space between the lower mold 1 and the base 14, so that the extrusion rod 13 can pass through and move.

[0027] A connecting rod 16 is fixedly connected to the lower mold 1. The connecting rod 16 is fixedly connected to the baffle 17. The baffle 17 is attached to the right side of the fixed plate 11, and the fixed plate 11 is slidably sleeved on the connecting rod 16, so that the connecting rod 16 does not obstruct the fixed plate 11 when it moves. Under the action of the return spring 12, the fixed plate 11 can be pressed against the baffle 17, which can prevent the demolding rod 10 from completely retracting into the lower mold 1.

[0028] The second embodiment differs from the first embodiment in that a vertical rod 18 is inserted into the top of the fixed plate 11, and the vertical rod 18 is slidably connected to the upper mold 4. A buffer spring 19 connected to the vertical rod 18 is provided on the upper mold 4. When the upper mold 4 moves down to close the mold, the vertical rod 18 can be inserted into the fixed plate 11, thus fixing the fixed plate 11 and fixing the demolding rod 10. This prevents the demolding rod 10 from extending into the cavity 3 even if the elasticity of the return spring 12 fails. When the elasticity of the return spring 12 fails, the position of the fixed plate 11 will change. Therefore, when the vertical rod 18 moves down, it may not be able to be inserted into the fixed plate 11. The use of the buffer spring 19 can avoid hard collision when obstructed, and better protect the hydraulic telescopic rod 8.

[0029] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0030] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0031] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An injection mold with a segmented side mold opening structure, characterized in that: The device includes a lower mold (1), a product (2), and a moving mechanism. The lower mold (1) is provided with a cavity (3) that matches the product (2). The top and side of the lower mold (1) are respectively fitted and connected to an upper mold (4) and a side mold (5). The upper mold (4) is provided with an upper protrusion (6) that penetrates the product (2). The side mold (5) is provided with a side protrusion (7) that penetrates the product (2). The moving mechanism is used to move the upper mold (4) and the side mold (5). The lower mold (1) has multiple demolding rods (10) that communicate with the cavity (3) laterally. The demolding rods (10) are all connected to the fixing plate (11). The fixing plate (11) and the lower mold (1) are detachably connected with a return spring (12). The side mold (5) is provided with a pressing rod (13) for pressing the fixing plate (11).

2. The injection mold with a segmented side mold opening structure according to claim 1, characterized in that: The moving mechanism includes a mounting plate (22), a hydraulic telescopic rod one (8) is fixedly connected to the top of the inner wall of the mounting plate (22), a hydraulic telescopic rod two (9) is fixedly connected to the left side of the inner wall of the mounting plate (22), the piston rod of the hydraulic telescopic rod one (8) is connected to the upper mold (4), and the piston rod of the hydraulic telescopic rod two (9) is connected to the side mold (5).

3. The injection mold with a segmented side mold opening structure according to claim 2, characterized in that: The moving mechanism also includes four upper guide posts (20) and four side guide posts (21) that penetrate the mounting plate (22). The four upper guide posts (20) are all fixedly connected to the upper mold (4), and the four side guide posts (21) are all fixedly connected to the side mold (5).

4. The injection mold with a segmented side mold opening structure according to claim 2, characterized in that: The bottom of the mounting plate (22) is fixedly connected to the base (14), and a support seat (15) is provided on the base (14), and the support seat (15) is fixedly connected to the lower mold (1).

5. The injection mold with a segmented side mold opening structure according to claim 1, characterized in that: A connecting rod (16) is fixedly connected to the lower mold (1). The connecting rod (16) is fixedly connected to the baffle (17). The baffle (17) is attached to the right side of the fixing plate (11), and the fixing plate (11) is slidably sleeved on the connecting rod (16).

6. The injection mold with a segmented side mold opening structure according to claim 1, characterized in that: A vertical rod (18) is inserted into the top of the fixed plate (11), and the vertical rod (18) is slidably connected to the upper mold (4). A buffer spring (19) connected to the vertical rod (18) is provided on the upper mold (4).

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