Vehicle-mounted EPB multi-embedded forming body mold

Abstract

The utility model belongs to the technical field of forming dies, and particularly relates to a vehicle-mounted EPB multi-embedded forming body die which comprises an upper die set and a lower die set. The upper module is provided with a first main runner and a first branch runner which are communicated with each other, and the first main runner is communicated with a first nozzle arranged at the top of the upper module; the upper module is further provided with a second main flow channel and a second branch flow channel which are communicated with each other, and the second main flow channel is communicated with a second nozzle arranged on the side wall of the upper module; the upper die set is provided with an upper die core used for forming the upper surface of an injection-molded part, the lower die set comprises a lower die core used for forming the lower surface of the injection-molded part, and the upper die set and the lower die set are movably connected; the first sub-runner and the second sub-runner are both communicated with the cavity; the lateral core-pulling structure is arranged between the upper module and the lower module; the ejector pin of the material ejecting assembly extends into an avoiding hole in the lower mold core and can be used for ejecting out an injection molding part subjected to injection molding; therefore, the forming quality of the shell body is guaranteed, and the high-standard requirement is met.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the forming die technical field especially relates to a kind of vehicle EPB multiple embedded forming body mould. BACKGROUND

[0002] Vehicle electronic parking brake system (EPB) is a kind of technology using electronic control technology to realize parking brake.The system combines the temporary brake in driving process with the durability brake function after parking.Electronic parking brake system controls parking brake through electronic circuit, and its function is similar to traditional mechanical pull rod hand brake, but it provides more convenient and safe operation mode.Drivers do not need to manually release electronic hand brake when vehicle starts, and electronic hand brake will be automatically released once accelerator is pressed.

[0003] The main role of the shell body in vehicle electronic parking brake system (EPB) is to protect the internal components of EPB system, to ensure its stable operation in various environments.The shell body not only provides physical support for EPB system, but also plays the role of isolating external interference and protecting internal circuit and mechanical components.

[0004] The manufacturing process of shell body usually depends on injection mold.However, under current technical conditions, due to the complex structure and various shapes of shell body, in the process of injection molding, single injection head often causes uneven molding of product edge part due to melt flow problem, and injection efficiency is low, so it is difficult to produce shell body meeting standard requirements. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of vehicle EPB multiple embedded forming body mould, to solve the uneven flow of plastic melt when shell body in prior art is molded by single injection head, which leads to uneven molding quality of product edge part, and it is difficult to meet high standard requirements.

[0006] To achieve the above-mentioned purpose, the utility model embodiment provides a kind of vehicle EPB multiple embedded forming body mould, which includes:

[0007] Upper die set and lower die set;

[0008] The upper die set is provided with first main runner and first branch runner in communication, and the first main runner is communicated with first nozzle arranged at the top of the upper die set;

[0009] The upper die set is also provided with second main runner and second branch runner in communication, and the second main runner is communicated with second nozzle arranged on the side wall of the upper die set;

[0010] The upper die set is provided with an upper core for forming an upper surface of the injection molded part, the lower die set includes a lower core for forming a lower surface of the injection molded part, the upper die set is movably connected with the lower die set, and the upper core, the lower core and the slider core form a molding cavity when the upper die set and the lower die set are combined.

[0011] The first and second sub-flow channels are in communication with the cavity.

[0012] The lateral core-pulling structure is arranged between the upper die set and the lower die set, and includes a slider core for forming a lateral surface of the injection molded part, an inclined guide pillar in plug-in cooperation with the slider core, a wedge block for resisting and limiting the slider core, and a pin for locking the wedge block.

[0013] The ejector assembly includes an ejector pin which extends into a clearance hole in the lower core and can continue to move upward for ejecting the injection molded part.

[0014] Optionally, the first sub-flow channel is in communication with the cavity above the mold closing line, and the second sub-flow channel is in communication with the cavity below the mold closing line.

[0015] Optionally, the first sub-flow channel is provided with at least two first vertical feed channels perpendicular to the top of the upper core, and at least two first horizontal feed channels respectively perpendicular to the two ends of the side wall of the upper core.

[0016] Optionally, the second sub-flow channel is provided with at least two second vertical feed channels perpendicular to the bottom of the lower core, and at least two second horizontal feed channels respectively perpendicular to the two ends of the side wall of the lower core.

[0017] Optionally, the surfaces of the upper core and the lower core are provided with heating elements.

[0018] Optionally, the slider core is provided with a matching hole for inserting the inclined guide pillar, the matching hole is provided with a guide slope, and the circumferential side of the guide slope is provided with a wear-resistant gasket.

[0019] Optionally, the slider core is in rolling contact with the lower die set, wherein the bottom of the slider core is provided with a rolling ball, and the lower die set is provided with an arc-shaped groove for rolling the rolling ball.

[0020] Optionally, a guide assembly is arranged between the upper die set and the lower die set, the guide assembly includes a guide column and a guide sleeve in plug-in cooperation with each other, the guide column is installed on the upper die set, and the guide sleeve is installed on the lower die set.

[0021] Optionally, the ejector assembly further includes a return spring in cooperation with the ejector pin.

[0022] Optionally, the vehicle-mounted EPB multi-embedded forming body mold further comprises an upper cooling flow channel formed in the upper mold set and a lower cooling flow channel formed in the lower mold set, the upper cooling flow channel being in communication with the upper core, and the lower cooling flow channel being in communication with the lower core.

[0023] The vehicle-mounted EPB multi-embedded forming body mold provided by the embodiment of the utility model has one or more of the above technical solutions at least one of the following technical effects:

[0024] The utility model discloses a vehicle-mounted EPB multi-embedded forming body mold,

[0025] It comprises an upper mold set and a lower mold set.

[0026] The first main flow channel and the first branch flow channel in the upper mold set are in communication with each other, and these channels ensure that the molten plastic flows smoothly into the mold, and the first main flow channel is directly connected with the first nozzle located at the top of the upper mold set, so that the plastic can directly enter the mold from the nozzle.

[0027] The upper mold set is also provided with a second main flow channel and a second branch flow channel in communication with each other, and these channels are also used to guide the flow of molten plastic, and the second main flow channel is connected with the second nozzle located on the side wall of the upper mold set, so that the plastic can enter from the side of the mold, thereby improving the flexibility and applicability of the mold.

[0028] The upper mold set is provided with an upper core for forming the upper surface of the injection molded part, and the lower mold set contains a lower core for forming the lower surface of the injection molded part, and the upper mold set and the lower mold set are connected by a movable connection, so that they can be flexibly combined.

[0029] When the upper mold set and the lower mold set are combined, the upper core, the lower core and the slider core jointly form a complete cavity for accommodating and forming the injection molded part.

[0030] The first branch flow channel and the second branch flow channel are in communication with the cavity, ensuring that the molten plastic uniformly fills the entire cavity, thereby improving the quality and precision of the injection molded part.

[0031] The lateral core-pulling structure is located between the upper mold set and the lower mold set, and is used to perform a lateral core-pulling action

[0032] The structure includes a slider core for forming the side surface of the injection molded part, an inclined guide pillar in plug-in cooperation with the slider core, a wedge block for limiting the movement of the slider core, and a pin for locking the wedge block.

[0033] These components work together to ensure the accuracy and reliability of the lateral core-pulling action.

[0034] The ejecting assembly comprises a ejector pin which extends into a avoiding hole in the lower core and can continue to move upward, so that the ejector pin can effectively eject the injection molded part after the injection molding is completed;

[0035] Therefore, the forming quality of the shell body is ensured, and high standard requirements are met. BRIEF DESCRIPTION OF DRAWINGS

[0036] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0037] Figure 1 The cross-sectional view is provided for the embodiments of the present application.

[0038] Figure 2 Another cross-sectional view is provided for the embodiments of the present application.

[0039] Figure 3 Another cross-sectional view is provided for the embodiments of the present application.

[0040] Figure 4 The top view is provided for the embodiments of the present application.

[0041] In the drawings, various reference signs represent:

[0042] 10, upper mold set; 11, first main runner; 12, first sub-runner;

[0043] 20, lower mold set; 21, second main runner; 22, second sub-runner;

[0044] 30, upper core; 40, lower core; 50, cavity;

[0045] 60, side core pulling structure; 70, ejecting assembly; 71, ejector pin. DETAILED DESCRIPTION

[0046] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the embodiments of the present application, and cannot be understood as a limitation of the present application.

[0047] In the description of the embodiments of the utility model, it is understood that the directions or position relations of the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the directions or position relations shown in the drawings, and are only for the convenience of describing the embodiments of the utility model and simplifying the description, and thus cannot be understood as indicating or implying that the devices or elements indicated must have a specific direction, be constructed and operated in a specific direction, and thus cannot be understood as limiting the utility model.

[0048] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0049] In the embodiments of the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.

[0050] In one embodiment of the utility model, as shown in Figures 1-4 A vehicle-mounted EPB multi-embedded forming body mold is provided, which comprises:

[0051] The upper die set 10 and the lower die set 20;

[0052] The upper die set 10 is provided with a first main runner 11 and a first branch runner 12 which are in communication with each other, and the first main runner 11 is in communication with a first nozzle arranged at the top of the upper die set 10;

[0053] The upper die set 10 is also provided with a second main runner 21 and a second branch runner 22 which are in communication with each other, and the second main runner 21 is in communication with a second nozzle arranged on the side wall of the upper die set 10;

[0054] The upper die set 10 is provided with an upper core 30 for forming the upper surface of the injection molded part, the lower die set 20 includes a lower core 40 for forming the lower surface of the injection molded part, the upper die set 10 is movably connected with the lower die set 20, and the upper core 30, the lower core 40 and the slider core form a mold cavity 50 when the upper die set 10 and the lower die set 20 are combined;

[0055] The first branch channel 12 and the second branch channel 22 are both in communication with the mold cavity 50.

[0056] The lateral core-pulling structure 60 is arranged between the upper die set 10 and the lower die set 20, and the lateral core-pulling structure 60 includes a slider core for forming the lateral surface of the injection molded part, an inclined guide pillar in plug-in cooperation with the slider core, a wedge block for resisting and limiting the slider core, and a pin for locking the wedge block.

[0057] The material ejecting assembly 70 includes a ejector pin 71 which extends into a clearance hole in the lower core 40 and can continue to move upward for ejecting the injection molded part.

[0058] Specifically, the vehicle-mounted EPB multi-embedded forming body mold of the utility model,

[0059] The upper die set 10 and the lower die set 20 are included.

[0060] The first main channel 11 and the first branch channel 12 in the upper die set 10 are in communication with each other, and these channels ensure that the molten plastic flows smoothly into the mold, and the first main channel 11 is directly connected with the first nozzle at the top of the upper die set 10, so that the plastic can directly enter the mold from the nozzle.

[0061] The upper die set 10 is also provided with the second main channel 21 and the second branch channel 22 which are in communication with each other, and these channels are also used for guiding the flow of molten plastic, and the second main channel 21 is connected with the second nozzle on the side wall of the upper die set 10, so that the plastic can enter from the side of the mold, thereby improving the flexibility and applicability of the mold.

[0062] The upper die set 10 is provided with an upper core 30 for forming the upper surface of the injection molded part, the lower die set 20 includes a lower core 40 for forming the lower surface of the injection molded part, the upper die set 10 is movably connected with the lower die set 20, and the upper core 30, the lower core 40 and the slider core form a mold cavity 50 when the upper die set 10 and the lower die set 20 are combined;

[0063] When the upper die set 10 and the lower die set 20 are combined, the upper core 30, the lower core 40 and the slider core form a complete mold cavity 50 for accommodating and forming the injection molded part.

[0064] The first runner 12 and the second runner 22 are communicated with the cavity 50, which ensures that the molten plastic uniformly fills the whole cavity 50, thereby improving the quality and precision of the injection molded part;

[0065] The lateral core-pulling structure 60 is located between the upper mold set 10 and the lower mold set 20, and is used for performing a lateral core-pulling action

[0066] The structure comprises a slider core for forming a lateral surface of the injection molded part, an inclined guide pillar in plug-in cooperation with the slider core, a wedge block for limiting the movement of the slider core, and a pin for locking the wedge block;

[0067] The components jointly ensure the accuracy and reliability of the lateral core-pulling action;

[0068] The ejector assembly 70 comprises a ejector pin 71 which extends into a avoiding hole in the lower core 40 and can continue to move upward, so that the ejector pin 71 can effectively eject the injection molded part after the injection molding is completed;

[0069] Therefore, the molding quality of the shell body is ensured, and high standard requirements are met.

[0070] In another embodiment of the present application, as shown in Figures 1-4 The first runner 12 is communicated with the cavity 50 above the mold clamping line, and the second runner 22 is communicated with the cavity 50 below the mold clamping line. Specifically, in this way, it can be ensured that the molten plastic can uniformly fill the whole cavity 50 during the injection molding process, thereby improving the molding quality of the product.

[0071] In another embodiment of the present application, as shown in Figures 1-4 The first runner 12 is communicated with the cavity 50 above the mold clamping line, and the second runner 22 is communicated with the cavity 50 below the mold clamping line. Specifically, in this way, it can be ensured that the molten plastic can uniformly fill the whole cavity 50 during the injection molding process, thereby improving the molding quality of the product.

[0072] In another embodiment of the present application, as shown in Figures 1-4As shown, the second runner 22 is configured with at least two second vertical feed channels perpendicular to the bottom of the lower mold core 40, and at least two second horizontal feed channels respectively perpendicular to the ends of the side walls of the lower mold core 40. Specifically, the arrangement of these second vertical feed channels is to ensure that the molten material can be uniformly and efficiently injected into the bottom area of the lower mold core 40, and in addition, the role of these second horizontal feed channels is to further ensure that the molten material can be uniformly distributed in the side wall area of the lower mold core 40, thereby improving the overall forming quality and efficiency. Through this design, the problems of uneven material distribution and forming defects in traditional mold design can be effectively solved, thereby improving the overall performance and service life of the product.

[0073] In another embodiment of the present application, as shown in Figures 1-4 As shown, the surface of the upper mold core 30 and the lower mold core 40 is provided with a heating element. Specifically, the surface of the upper mold core 30 and the lower mold core 40 is provided with a heating element to ensure the temperature uniformity of the plastic during the forming process.

[0074] In another embodiment of the present application, as shown in Figures 1-4 As shown, the sliding block core is provided with a matching hole for inserting the inclined guide pillar, the matching hole is provided with a guide slope, and the periphery of the guide slope is provided with a wear-resistant gasket. Specifically, the matching hole is provided with a guide slope, and the periphery of the guide slope is provided with a wear-resistant gasket to reduce wear and prolong the service life of the mold.

[0075] In another embodiment of the present application, as shown in Figures 1-4 As shown, the sliding block core and the lower mold set 20 are in rolling contact, wherein the bottom of the sliding block core is provided with a ball, and the lower mold set 20 is provided with an arc-shaped groove for rolling of the ball. Specifically, the bottom of the sliding block core is provided with a ball, and the lower mold set 20 is provided with an arc-shaped groove for rolling of the ball to reduce friction and improve the smoothness of the core pulling action.

[0076] In another embodiment of the present application, as shown in Figures 1-4 As shown, a guide assembly is arranged between the upper mold set 10 and the lower mold set 20, the guide assembly comprises guide columns and guide sleeves matched with each other, the guide columns are installed on the upper mold set 10, and the guide sleeves are installed on the lower mold set 20. Specifically, a set of guide assemblies are arranged between the upper mold set 10 and the lower mold set 20, the guide assemblies are composed of a group of guide columns and guide sleeves matched with each other, the guide columns are installed at corresponding positions of the upper mold set 10, and the guide sleeves are accurately installed at corresponding positions of the lower mold set 20, which ensures that the upper mold set 10 and the lower mold set 20 can keep accurate alignment and smooth guidance during movement, thereby improving the operation stability and processing precision of the overall equipment.

[0077] In another embodiment of the present application, as shown in Figures 1-4 The ejector assembly 70 further comprises a reset spring, which cooperates with the ejector pin 71.

[0078] In another embodiment of the present application, as shown in Figures 1-4 The vehicle-mounted EPB multi-embedded forming body mold further comprises an upper cooling flow channel formed in the upper mold set 10 and a lower cooling flow channel formed in the lower mold set 20, the upper cooling flow channel being in communication with the upper core 30, and the lower cooling flow channel being in communication with the lower core 40.

[0079] The remaining parts of the present embodiment are the same as those of Embodiment One, and the features not explained in the present embodiment are explained in Embodiment One, which will not be described here again.

[0080] The above description is only the preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A vehicle-mounted EPB multi-variety embedded forming body mold characterized by, The injection mold comprises: an upper mold set and a lower mold set; the upper mold set is provided with a first main runner and a first sub-runner which are in communication with each other, and the first main runner is in communication with a first nozzle arranged on the top of the upper mold set; the upper mold set is further provided with a second main runner and a second sub-runner which are in communication with each other, and the second main runner is in communication with a second nozzle arranged on the sidewall of the upper mold set; the upper mold set is provided with an upper core for forming the upper surface of the injection molded part, and the lower mold set comprises a lower core for forming the lower surface of the injection molded part, and the upper mold set is movably connected with the lower mold set; wherein the first sub-runner and the second sub-runner are both in communication with the cavity; a side core-pulling structure is arranged between the upper mold set and the lower mold set, and the side core-pulling structure comprises a slider core for forming the side surface of the injection molded part, an inclined guide pillar in plug-in cooperation with the slider core, a wedge block for resisting and limiting the slider core, and a pin for locking the wedge block, and the upper core, the lower core and the slider core form a cavity when the upper mold set and the lower mold set are closed; a material ejecting assembly comprises a ejector pin which extends into a avoiding hole in the lower core and can continue to move upward for ejecting the injection molded part.

2. The vehicle-mounted EPB multi-variety embedded forming body mold according to claim 1, characterized by: The first sub-runner is in communication with the cavity above the mold closing line, and the second sub-runner is in communication with the cavity below the mold closing line.

3. The multi-variety embedded forming body mold for a vehicle EPB according to claim 2, characterized by: The first sub-runner is provided with at least two first vertical feed channels which are perpendicular to the top of the upper core, and at least two first horizontal feed channels which are respectively perpendicular to the two ends of the sidewall of the upper core.

4. The vehicle EPB multi-variety embedded forming body mold according to claim 3, characterized by: The second sub-runner is provided with at least two second vertical feed channels which are perpendicular to the bottom of the lower core, and at least two second horizontal feed channels which are respectively perpendicular to the two ends of the sidewall of the lower core.

5. The multi-embedded forming body mold for a vehicle EPB according to any one of claims 1 to 4, characterized in that: The surfaces of the upper core and the lower core are both provided with heating elements.

6. The multi-embedded forming body mold for a vehicle EPB according to any one of claims 1 to 4, characterized in that: The slider core is provided with a matching hole into which the inclined guide pillar is inserted, and the matching hole is provided with a guide slope, and the circumferential side of the guide slope is provided with a wear-resistant gasket.

7. The multi-embedded forming body mold for a vehicle EPB according to any one of claims 1 to 4, characterized in that: The slider core is in rolling contact with the lower mold set, wherein the bottom of the slider core is provided with a rolling ball, and the lower mold set is provided with an arc-shaped groove into which the rolling ball rolls.

8. The multi-embedded forming body mold for a vehicle EPB according to any one of claims 1 to 4, characterized by: A guide assembly is arranged between the upper mold set and the lower mold set, and the guide assembly comprises a guide pillar and a guide sleeve which are in plug-in cooperation with each other; the guide pillar is mounted on the upper mold set, and the guide sleeve is mounted on the lower mold set.

9. The multi-embedded forming body mold for a vehicle EPB according to any one of claims 1 to 4, characterized by: The material ejecting assembly further comprises a return spring which cooperates with the ejector pin.

10. The multi-embedded forming body mold for a vehicle EPB according to any one of claims 1 to 4, characterized by: The vehicle-mounted EPB multi-embedded shaped body mold further comprises an upper cooling runner arranged in the upper mold set and a lower cooling runner arranged in the lower mold set, the upper cooling runner is in communication with the upper core, and the lower cooling runner is in communication with the lower core.

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