Fixed mold forced demolding and pouring flow adjusting mold

Abstract

The utility model belongs to the technical field of injection molds, and particularly relates to a fixed mold forced demolding and pouring flow adjusting mold which comprises a fixed mold fixing plate, and the injection mold comprises a fixed mold forced demolding mechanism and a flow adjusting mechanism. According to the fixed mold forced demolding and pouring flow adjusting mold, in the aspect of demolding, in the fixed mold forced demolding mechanism, the limiting screw accurately limits the stroke, the nylon blind rivet provides stable pulling force, deformation and pulling damage of a product due to forced demolding are avoided, and the integrity and quality stability of the product are guaranteed; the middle stripper is used as a middle demoulding auxiliary structure and can assist products in specific shapes in demoulding smoothly in the middle stage of separation of the movable mould and the fixed mould, so that the deformation risk is reduced. In flow adjustment, the height of a screw can be screwed and adjusted according to the size requirements of different parts, the flow of an injection molding runner is adjusted, the glue injection amount and pressure are controlled, the problem of excessive injection molding of small parts is prevented, full injection of large parts is guaranteed, and the size precision and appearance quality of products are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, concretely is a kind of fixed mould strong and removes with pouring flow regulation mould. BACKGROUND

[0002] In the injection molding production process, for the mold containing multiple parts and the size difference of parts is larger, the prior art has many defects. On the one hand, small parts are easy to be filled first than large parts during injection molding, and the size of small parts will be enlarged due to pressure flow problem when large parts are filled, and burr and other injection molding defects will occur, which seriously affects product quality. On the other hand, if the fixed mold core of individual parts is long, the parts are easy to stick to the front mold during molding, which leads to the failure of stripping, reduces the production efficiency and increases the production cost. Therefore, it is urgent to improve a kind of fixed mould strong and removes with pouring flow regulation mould to solve the above problems. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a kind of fixed mould strong and removes with pouring flow regulation mould to solve the problems raised in the above background.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: a kind of fixed mould strong and removes with pouring flow regulation mould, including fixed mould fixed plate, the middle position of the fixed mould fixed plate is equipped with injection port, the lower of the fixed mould fixed plate is movably installed with fixed mould kernel fixed plate, the lower of the fixed mould kernel fixed plate is equipped with movable mould kernel fixed plate, the lower of the movable mould kernel fixed plate is equipped with two groups of mould feet, the lower of the mould foot is equipped with movable mould plate;The fixed mould strong and removes with pouring flow regulation mould includes fixed mould strong and removes mechanism and flow regulation mechanism, the fixed mould strong and removes mechanism includes fixed mould fixed plate, fixed mould kernel fixed plate, mould foot, movable mould plate, the fixed mould kernel fixed plate is also equipped with fixed mould kernel, and the fixed mould kernel fixed plate is equipped with channel.

[0005] Preferably, the fixed mould kernel fixed plate movably installs two groups of wedge blocks in it, and the front of the wedge block is equipped with inclined guide pillar.

[0006] Preferably, the inclined guide pillar is movably installed in the sliding block, the end surface of the sliding block is in abutment with the inclined surface of the wedge block, and the sliding block is provided in the movable mould kernel fixed plate.

[0007] Preferably, the fixed mould fixed plate and the fixed mould kernel fixed plate are movably installed with fixed mould strong and removes limit screw through thread, the end of the fixed mould strong and removes limit screw is equipped with adjusting nut, and the fixed mould kernel fixed plate and the movable mould kernel fixed plate are movably installed with four groups of fixed mould strong and removes nylon pull nails.

[0008] Preferably, the mould foot is movably installed with needle back plate between the mould foot, a plurality of groups of needles are fixedly installed on the needle back plate, the needle back plate is equipped with needle panel, and the needle passes through the needle panel.

[0009] Preferably, the movable mold plate is fixedly provided with an ejection reset rod, a reset spring is arranged between the ejector pin panel and the movable mold core fixed plate, the reset spring is sleeved on the ejection reset rod, and the top end of the ejection reset rod is in contact with the fixed mold core fixed plate.

[0010] Preferably, the flow adjusting mechanism comprises a movable mold core fixed plate, a movable mold core is movably arranged in the movable mold core fixed plate, four groups of injection flow channels are arranged in the movable mold core, and four groups of adjusting screws are movably arranged at middle positions of the injection flow channels through threads.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The fixed mold strong stripping with pouring flow adjusting mold, through the design of the fixed mold strong stripping mechanism, the accurate stroke is limited by the fixed mold strong stripping limiting screw, and the stable tension is provided by the strong stripping nylon pull nail, so that the product deformation and scratch caused by forced stripping are avoided, the integrity and quality stability of the product are further ensured, the middle stripping is used as an intermediate stripping auxiliary structure, can assist the smooth stripping of the product with a specific shape or structure in the intermediate stage of separation of the movable mold and the fixed mold, reduces the deformation risk of the product caused by uneven stress in the stripping process, and ensures that the product quality meets the high standard requirements.

[0013] 2. The fixed mold strong stripping with pouring flow adjusting mold, through the design of the flow adjusting mechanism, according to the needs of different sizes of parts, the height of the adjusting screw is screwed, the flow of the injection flow channel is appropriately adjusted, suitable glue injection amount and pressure are provided, the problems of size expansion and burr of small parts caused by excessive injection molding are effectively avoided, and meanwhile, it is ensured that large parts can be fully filled, and the size precision and appearance quality of the product are significantly improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional schematic view of the utility model;

[0015] Figure 2 It is a fixed mold plate internal mounting structure schematic view of the utility model;

[0016] Figure 3 It is a fixed mold strong stripping mechanism half-section schematic view of the utility model;

[0017] Figure 4 It is a flow adjusting mechanism mounting structure schematic view of the utility model;

[0018] Figure 5 It is a local enlarged schematic view of the utility model;

[0019] Figure 6 It is a half-section schematic view of the utility model.

[0020] In the figure: 1, the fixed plate of the fixed mold, 2, the fixed plate of the fixed mold, 3, the fixed plate of the movable mold, 4, the mold foot, 5, the movable mold plate, 6, the back plate of the ejector pin, 7, the face plate of the ejector pin, 8, the injection port, 9, the fixed core of the fixed mold, 10, the wedge block, 11, the inclined guide column, 12, the fixed mold strong stripping limiting screw, 13, the movable core of the movable mold, 14, the sliding block, 15, the fixed mold strong stripping nylon pull pin, 16, the part, 17, the injection flow channel, 18, the adjusting screw, 19, the middle stripping screw, 20, the reset spring, 21, the ejection reset rod, 22, the ejector pin. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] Embodiment one:

[0023] Based on the prior art, when stripping, the fixed mold core of individual parts is relatively long, and the parts are prone to sticking to the front mold during the molding process, which leads to the failure of stripping and reduces the production efficiency and increases the production cost. Please refer to Figures 1-6 The utility model provides a technical scheme: a fixed mold strong stripping and pouring flow adjusting mold, which comprises a fixed mold fixed plate 1, the middle position of the fixed mold fixed plate 1 is provided with an injection port 8, the lower portion of the fixed mold fixed plate 1 is movably provided with a fixed mold core fixed plate 2, the lower portion of the fixed mold core fixed plate 2 is provided with a movable mold core fixed plate 3, the lower portion of the movable mold core fixed plate 3 is provided with two groups of mold feet 4, and the lower portion of the mold feet 4 is provided with a movable mold plate 5.

[0024] Two groups of wedge blocks 10 are movably installed in the fixed mold core fixed plate 2, and the front portion of the wedge block 10 is provided with an inclined guide column 11.

[0025] The inclined guide column 11 is movably installed in the sliding block 14, the end surface of the sliding block 14 is in abutment with the inclined surface of the wedge block 10, and the sliding block 14 is arranged in the movable mold core fixed plate 3.

[0026] The fixed mold strong stripping limiting screw 12 is movably installed between the fixed mold fixed plate 1 and the fixed mold core fixed plate 2 in a threaded manner, the end portion of the fixed mold strong stripping limiting screw 12 is provided with an adjusting nut, and four groups of fixed mold strong stripping nylon pull pins 15 are movably installed between the fixed mold core fixed plate 2 and the movable mold core fixed plate 3.

[0027] The ejector back plate 6 is movably installed between the mold feet 4, and a plurality of ejector pins 22 are fixedly installed on the ejector back plate 6.

[0028] The ejection reset rod 21 is fixedly installed on the movable die plate 5, the reset spring 20 is arranged between the ejector pin panel 7 and the movable die core fixed plate 3, the reset spring 20 is sleeved on the ejection reset rod 21, and the top end of the ejection reset rod 21 is in contact with the fixed die core fixed plate 2.

[0029] During mold opening, the fixed die strong stripping limiting screw 12 between the fixed die fixed plate 1 and the fixed die core fixed plate 2 is adjusted through the adjusting nut at the end, so that the stroke of relative movement of the two is accurately limited. The four groups of fixed die strong stripping nylon pull nails 15 between the fixed die core fixed plate 2 and the movable die core fixed plate 3 provide stable pulling force for demolding. When the movable die and the fixed die start to separate, the middle stripping screw 19 plays a role in the middle stage of separation of the movable die and the fixed die, assists the smooth demolding of products with special shapes or structures, and reduces the risk of deformation of the products due to uneven stress.

[0030] Embodiment two:

[0031] On the basis of the first embodiment, small parts are prone to be filled first during injection molding, and when large parts are filled, the small parts will be oversize, generate burrs and other injection molding defects due to pressure flow problems, which seriously affect the product quality. Therefore, the device is provided with a flow adjusting mechanism, please refer to Figures 1-6 The utility model provides a technical scheme: a fixed die strong stripping with pouring flow adjusting mold, the flow adjusting mechanism includes a movable die core fixed plate 3, the movable die core fixed plate 3 movably installs movable die core 13, and four groups of injection flow channels 17 are arranged in the movable die core 13.

[0032] According to the injection molding requirements of different sizes of parts, the adjusting screw 18 at the middle position of the injection flow channel 17 in the movable die core 13 is screwed. When the adjusting screw 18 changes its height, the cross-sectional size of the injection flow channel 17 is limited. In this way, the flow of the injection flow channel is controlled.

[0033] It is to be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components. Additionally, the terms "comprise," "comprises," and "comprising," or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, unless otherwise indicated herein, the terms "first," "second," "third," etc., are used herein merely as labels, and are not intended to impose ordinal import.

Claims

1. A drag force strip casting flow regulating mold comprising a drag mold fixed plate (1), characterized in that: The middle position of the fixed die plate (1) is provided with an injection port (8), the lower part of the fixed die plate (1) is movably provided with a fixed die core plate (2), the lower part of the fixed die core plate (2) is provided with a movable die core plate (3), the lower part of the movable die core plate (3) is provided with two groups of die feet (4), and the lower part of the die feet (4) is provided with a movable die plate (5). The fixed die strong stripping belt pouring flow adjusting mold comprises a fixed die strong stripping mechanism and a flow adjusting mechanism, the fixed die strong stripping mechanism comprises a fixed die plate (1), a fixed die core plate (2), die feet (4) and a movable die plate (5), the fixed die core plate (2) is further provided with a fixed die core (9) in the fixed die core plate (2), and the fixed die core plate (2) is provided with a channel.

2. A drag knockout with sprue flow control mold according to claim 1, wherein: The fixed die core plate (2) is movably provided with two groups of wedge blocks (10), and the front part of the wedge block (10) is provided with an inclined guide column (11).

3. A drag knockout with sprue flow control mold according to claim 2 wherein: The inclined guide column (11) is movably arranged in a sliding block (14), the end surface of the sliding block (14) is in abutment with the inclined surface of the wedge block (10), and the sliding block (14) is arranged in the movable die core plate (3).

4. A drag knockout strip-casting flow-adjusting mold according to claim 3, characterized in that: The fixed die plate (1) and the fixed die core plate (2) are movably provided with a fixed die strong stripping limiting screw (12) through threads, the end part of the fixed die strong stripping limiting screw (12) is provided with an adjusting nut, and the fixed die core plate (2) and the movable die core plate (3) are movably provided with four groups of fixed die strong stripping nylon pull nails (15).

5. A drag knockout strip-casting flow-adjusting mold according to claim 4, characterized in that: The die feet (4) are movably provided with a thimble back plate (6), the thimble back plate (6) is fixedly provided with a plurality of groups of thimbles (22), the thimble back plate (6) is provided with a thimble panel (7), and the thimble (22) penetrates through the thimble panel (7).

6. A drag knockout with sprue flow control mold according to claim 5 wherein: The movable die plate (5) is fixedly provided with an ejection reset rod (21), the thimble panel (7) and the movable die core plate (3) are provided with a reset spring (20), the reset spring (20) is sleeved on the ejection reset rod (21), and the top end of the ejection reset rod (21) is in contact with the fixed die core plate (2).

7. A drag knockout with sprue flow control mold according to claim 6 wherein: The flow adjusting mechanism comprises a movable die core plate (3), the movable die core plate (3) is movably provided with a movable die core (13), the movable die core (13) is provided with four groups of injection flow channels (17), and the middle position of the injection flow channel (17) is movably provided with four groups of adjusting screws (18) through threads.

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