Demoulding mechanism for backward flow type internal thread cover mould

Abstract

The utility model discloses a demoulding mechanism for a backward flow type internal thread cover mould, which belongs to the technical field of injection moulds and comprises a heat insulation plate and a bottom plate, the heat insulation plate is arranged on one side of the bottom plate, one end of the heat insulation plate close to the bottom plate is fixedly connected with a panel, and one end of the panel close to the bottom plate is fixedly connected with a splitter plate. The end, close to the bottom plate, of the splitter plate is fixedly connected with a front fixing plate, the end, close to the bottom plate, of the front fixing plate is provided with a front mold plate, the end, close to the bottom plate, of the front mold plate is provided with a push plate, the end, close to the push plate, of the bottom plate is fixedly connected with a rear mold plate, the rear mold plate is matched with the push plate, and the end, close to the push plate, of the rear mold plate is fixedly connected with a plurality of front mold cores. A front mold runner system is arranged in the splitter plate, the front fixing plate, the front mold plate and the push plate; according to the utility model, a complete demolding process is formed by three times of mold opening, so that a formed cover product can fall off more smoothly, a plurality of parts are not easy to abrade in the whole demolding process, and the service life is long.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field more specifically, relate to a kind of pouring formula inner thread cover mold stripping mechanism. BACKGROUND

[0002] Injection mold is a tool for producing plastic products, and is also a tool for giving plastic products complete structure and accurate size. Injection mold is also a processing method used in mass production of parts, mainly applied in industrial field. Among them, pouring mold is one of plastic injection molds, and is widely used in electronic, automobile, medical and other industries.

[0003] At present, in the production of cover products, pouring mold adopts the mode of feeding glue on the back of plastic parts. The produced cover product has no glue trace on the outer surface, and the product appearance is more beautiful. However, most of the existing pouring molds are prone to friction between multiple parts during product stripping after injection molding of cover products, which not only makes stripping not smooth, but also reduces the service life of the mold. UTILITY MODEL CONTENT

[0004] 1. Technical problem to be solved

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a pouring formula inner thread cover mold stripping mechanism, which aims to solve the problem that most of the existing pouring molds are prone to friction between multiple parts during product stripping after injection molding of cover products, which not only makes stripping not smooth, but also reduces the service life of the mold.

[0006] 2. Technical scheme

[0007] To solve the above problems, the utility model adopts the following technical scheme:

[0008] A pouring formula inner thread cover mold stripping mechanism, comprising a heat insulation plate and a bottom plate, the heat insulation plate is arranged on one side of the bottom plate, one end of the heat insulation plate close to the bottom plate is fixedly connected with a panel, one end of the panel close to the bottom plate is fixedly connected with a shunt plate, one end of the shunt plate close to the bottom plate is fixedly connected with a front fixed plate, one end of the front fixed plate close to the bottom plate is provided with a front mold plate, one end of the front mold plate close to the bottom plate is provided with a push plate, one end of the bottom plate close to the push plate is fixedly connected with a rear mold plate, and the rear mold plate is matched with the push plate, one end of the rear mold plate close to the push plate is fixedly connected with a plurality of front mold cores, the shunt plate, the front fixed plate, the front mold plate and the push plate are provided with a front mold runner system, the front mold runner system corresponds to a plurality of front mold cores, a plurality of tooth shafts are rotatably connected in the front mold plate, and a plurality of tooth shafts are movably penetrated through the push plate and correspond to a plurality of front mold cores respectively.

[0009] As a preferred scheme of the utility model, the front mold runner system comprises a hot runner, a plurality of hot nozzles and a plurality of hot nozzle sleeves, the hot runner is arranged in the distribution plate, the plurality of hot nozzles are all fixedly connected to the bottom end of the hot runner, and the plurality of hot nozzles are sequentially penetrated through the distribution plate, the front fixed plate, the front mold plate and the push plate and correspond to the plurality of front mold cores respectively, the plurality of hot nozzle sleeves are all fixedly connected in the front fixed plate, and the plurality of hot nozzle sleeves are sequentially penetrated through the front mold plate and the plurality of tooth shafts and are respectively sleeved on the outer surfaces of the plurality of hot nozzles.

[0010] As a preferred scheme of the utility model, the front mold plate is fixedly connected with a plurality of wear-resistant plates, and the plurality of wear-resistant plates are respectively penetrated between the plurality of tooth shafts and the plurality of hot nozzle sleeves.

[0011] As a preferred scheme of the utility model, the front mold plate is fixedly connected with a plurality of wear-resistant plates, and the plurality of wear-resistant plates are respectively penetrated between the plurality of tooth shafts and the plurality of hot nozzle sleeves.

[0012] 3. Beneficial effects

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] (1) in the scheme, the mold structure is composed of the heat insulation plate, the panel, the distribution plate, the front fixed plate, the front mold plate and the push plate to form the front mold, the bottom plate, the rear mold plate and the plurality of front mold cores to form the rear mold, the front mold runner system and the plurality of tooth shafts correspond to the plurality of front mold cores to perform the injection molding of the lid product, after the injection molding of the lid product, the first opening of the mold is performed between the front fixed plate and the front mold plate, the tooth shafts are rotated and moved upward to perform the tooth removal, the second opening of the mold is performed between the push plate and the rear mold plate, the product is separated from the cavity, the third opening of the mold is performed between the push plate and the front mold plate, the formed lid product is automatically separated from the mold, three times of opening of the mold form a complete demolding process, the formed lid product is separated more smoothly, and the plurality of components in the whole demolding process are not prone to wear and tear, and the service life is long. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural diagram of the utility model.

[0016] Explanation of reference numerals in the drawing:

[0017] 11, heat insulation plate; 12, panel; 13, distribution plate; 14, front fixed plate; 15, front mold plate; 16, push plate; 21, bottom plate; 22, rear mold plate; 23, front mold core; 31, hot runner; 32, hot nozzle; 33, hot nozzle sleeve; 4, tooth shaft; 5, wear-resistant plate; 6, limiting rod. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort fall within the scope of the present application.

[0019] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood in a broad sense. For example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or indirectly connected through an intermediate medium; can be internal communication of two elements. For a person of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0021] Embodiment:

[0022] Please refer to Figure 1 A backward pouring internal thread cover mold stripping mechanism, including heat insulation plate 11 and bottom plate 21, heat insulation plate 11 is arranged on one side of bottom plate 21, heat insulation plate 11 is fixedly connected with faceplate 12 at one end close to bottom plate 21, faceplate 12 is fixedly connected with shunt plate 13 at one end close to bottom plate 21, shunt plate 13 is fixedly connected with front fixed plate 14 at one end close to bottom plate 21, front fixed plate 14 is provided with front mold plate 15 at one end close to bottom plate 21, front mold plate 15 is provided with push plate 16 at one end close to bottom plate 21, bottom plate 21 is fixedly connected with rear mold plate 22 at one end close to push plate 16, and rear mold plate 22 is matched with push plate 16, rear mold plate 22 is fixedly connected with a plurality of front mold cores 23 at one end close to push plate 16, shunt plate 13, front fixed plate 14, front mold plate 15 and push plate 16 are provided with front mold runner system, front mold runner system corresponds to a plurality of front mold cores 23, a plurality of tooth shafts 4 are rotatably connected in front mold plate 15, and a plurality of tooth shafts 4 are movably penetrated through push plate 16 and correspond to a plurality of front mold cores 23 respectively.

[0023] In the embodiment, the heat insulation plate 11, the panel 12, the distribution plate 13, the front fixed plate 14, the front mold plate 15 and the push plate 16 form a front mold, the plurality of tooth shafts 4 are located in the front mold, the bottom plate 21, the rear mold plate 22 and the plurality of front mold cores 23 form a rear mold, the front mold and the rear mold are closed to make the front mold runner system and the plurality of tooth shafts 4 correspond to the plurality of front mold cores 23 to perform injection molding, the cap product is formed in the plurality of front mold cores 23, after the cap product is formed, the front mold is demolded, the front fixed plate 14 and the front mold plate 15 are opened for the first time during the demolding process, the front mold runner system is demolded back to the front mold, at the same time, the plurality of tooth shafts 4 rotate and are separated from the tooth in the front mold plate 15, the push plate 16 and the rear mold plate 22 are opened for the second time to make the formed cap product separate from the cavity of the plurality of front mold cores 23, the push plate 16 and the front mold plate 15 are opened for the third time, and the push plate 16 pushes the cap product out to realize the final demolding.

[0024] Specifically, the front mold runner system includes a hot runner 31, a plurality of hot nozzles 32 and a plurality of hot nozzle sleeves 33, the hot runner 31 is arranged in the distribution plate 13, the plurality of hot nozzles 32 are fixedly connected to the bottom end of the hot runner 31, and the plurality of hot nozzles 32 pass through the distribution plate 13, the front fixed plate 14, the front mold plate 15 and the push plate 16 in sequence and correspond to the plurality of front mold cores 23 respectively, the plurality of hot nozzle sleeves 33 are fixedly connected in the front fixed plate 14, and the plurality of hot nozzle sleeves 33 pass through the front mold plate 15 and the plurality of tooth shafts 4 in sequence and are arranged on the outer surfaces of the plurality of hot nozzles 32 respectively.

[0025] In the embodiment, when the front mold and the rear mold are closed, the plurality of tooth shafts 4 are located in the cavities of the plurality of front mold cores 23, the hot runner 31 injects glue into the plurality of front mold cores 23 through the plurality of hot nozzles 32 and the plurality of hot nozzle sleeves 33 to make the cap product be injection molded in the plurality of front mold cores 23.

[0026] Specifically, a plurality of wear-resistant plates 5 are fixedly connected in the front mold plate 15, and the plurality of wear-resistant plates 5 pass through between the plurality of tooth shafts 4 and the plurality of hot nozzle sleeves 33 respectively.

[0027] In the embodiment, the plurality of tooth shafts 4 usually rotate on the outer surfaces of the plurality of hot nozzle sleeves 33 when the tooth shafts 4 are separated from the tooth, the plurality of wear-resistant plates 5 are arranged between the plurality of hot nozzle sleeves 33 and the plurality of tooth shafts 4, which can prevent the plurality of tooth shafts 4 from damaging the plurality of hot nozzle sleeves 33 due to the friction generated when the tooth shafts 4 are separated from the tooth, and prolong the service life of the plurality of hot nozzle sleeves 33.

[0028] Specifically, one end of the front mold plate 15 close to the front fixed plate 14 is fixedly connected with a limiting rod 6, and the limiting rod 6 passes through the front fixed plate 14, the distribution plate 13 and the panel 12.

[0029] In this embodiment, when the first time of opening the mold between the front fixed plate 14 and the front mold plate 15, the front fixed plate 14, the flow distribution plate 13 and the panel 12 will slide on the surface of the limiting rod 6, after the front fixed plate 14 opens the mold and moves a certain distance, the front mold plate 15 and the push plate 16 are pulled by the limiting rod 6 to open the mold for the second time.

[0030] Working principle: when the mold is closed between the front mold and the rear mold for injection molding of the cap product, the plurality of hot nozzles 32, the plurality of hot nozzle sleeves 33 and the plurality of tooth shafts 4 correspondingly enter the plurality of front mold cores 23, the plurality of hot nozzle sleeves 33 perform injection molding into the plurality of front mold cores 23, the cap product is formed in the plurality of front mold cores 23, after the cap product is formed, the front mold is opened, and the front fixed plate 14 and the front mold plate 15 are opened for the first time during the opening process, the plurality of hot nozzle sleeves 33 and the plurality of hot nozzles 32 are withdrawn to the front mold, at the same time, the plurality of tooth shafts 4 rotate and are separated from the teeth in the front mold plate 15, the push plate 16 and the rear mold plate 22 are opened for the second time, so that the formed cap product is separated from the cavity of the plurality of front mold cores 23, the push plate 16 and the front mold plate 15 are opened for the third time, and the push plate 16 pushes the cap product out to realize the final molding and demolding.

[0031] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A demoulding mechanism for a mould for internal thread caps of the reverse-filling type, comprising a thermal barrier (11) and a base plate (21), characterised in that: The heat insulation plate (11) is arranged on one side of the bottom plate (21), and the heat insulation plate (11) is fixedly connected with the panel (12) at one end close to the bottom plate (21), the panel (12) is fixedly connected with the flow distribution plate (13) at one end close to the bottom plate (21), the flow distribution plate (13) is fixedly connected with the front fixed plate (14) at one end close to the bottom plate (21), the front fixed plate (14) is provided with the front mold plate (15) at one end close to the bottom plate (21), the front mold plate (15) is provided with the push plate (16) at one end close to the bottom plate (21), the bottom plate (21) is fixedly connected with the rear mold plate (22) at one end close to the push plate (16), and the rear mold plate (22) is matched with the push plate (16), the rear mold plate (22) is fixedly connected with a plurality of front mold cores (23) at one end close to the push plate (16), the flow distribution plate (13), the front fixed plate (14), the front mold plate (15) and the push plate (16) are provided with a front mold runner system, the front mold runner system corresponds to the plurality of front mold cores (23), and the front mold plate (15) is rotatably connected with a plurality of tooth shafts (4), and the plurality of tooth shafts (4) are movably penetrated through the push plate (16) and correspond to the plurality of front mold cores (23) respectively.

2. A pull- off type internal thread cap mold demolding mechanism according to claim 1, characterized in that: The front mold runner system comprises a hot runner (31), a plurality of hot nozzles (32) and a plurality of hot nozzle sleeves (33), the hot runner (31) is arranged in the flow distribution plate (13), the plurality of hot nozzles (32) are fixedly connected at the bottom end of the hot runner (31), and the plurality of hot nozzles (32) are sequentially penetrated through the flow distribution plate (13), the front fixed plate (14), the front mold plate (15) and the push plate (16) and correspond to the plurality of front mold cores (23) respectively, the plurality of hot nozzle sleeves (33) are fixedly connected in the front fixed plate (14), and the plurality of hot nozzle sleeves (33) are sequentially penetrated through the front mold plate (15) and the plurality of tooth shafts (4) and are respectively sleeved on the outer surfaces of the plurality of hot nozzles (32).

3. A pull- off cap internal thread mold stripping mechanism according to claim 2, wherein: The front mold plate (15) is fixedly connected with a plurality of wear plates (5), and the plurality of wear plates (5) are respectively penetrated between the plurality of tooth shafts (4) and the plurality of hot nozzle sleeves (33).

4. A push-through internal thread closure mold stripping mechanism as defined in claim 3 wherein: The front mold plate (15) is fixedly connected with a limiting rod (6) at one end close to the front fixed plate (14), and the limiting rod (6) is penetrated in the front fixed plate (14), the flow distribution plate (13) and the panel (12).

Images