Embedded forming lever die for vehicle-mounted electronic gear

Abstract

The utility model belongs to the technical field of forming dies, and particularly relates to an embedded forming lever die for a vehicle-mounted electronic gear, which comprises an upper die set, and the upper die set is provided with a main runner and a branch runner which are communicated with each other, and an upper core for forming the upper surface of an injection molding part; the lower die set comprises a lower mold core used for forming the lower surface of the injection molding part; the lateral core-pulling structure is arranged between the upper die set and the lower die set, and the lateral core-pulling structure comprises a sliding block core used for forming the side surface of the injection molding part, an inclined guide column matched with the sliding block core in an inserted connection mode, a wedge block used for stopping and limiting the sliding block core, and a pin used for locking the wedge block; the upper die set and the lower die set are movably connected, and when the upper die set and the lower die set are combined, a cavity is formed among the upper mold core, the lower mold core and the sliding block core; the material ejecting assembly comprises an ejector pin, and the ejector pin extends into a receding hole in the lower mold core; the technical problem that an injection product is difficult to demould is solved, the production efficiency is improved, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the forming die technical field especially relates to a kind of embedded forming lever mould for vehicle electronic gear. 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.EPBD 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.When vehicle starts, driver does not need to manually release electronic hand brake, and once stepping on accelerator, electronic hand brake will be automatically released.

[0003] Transmission rod in gear structure in vehicle electronic parking brake system (EPB) is one of the key components of EPB transmission mechanism.Transmission rod realizes the function of converting the rotary motion of EPB motor into linear motion by cooperating with the thread of transmission rod cap.When EPB motor rotates, transmission rod drives transmission rod cap to move, and this movement further pushes brake pad to exert pressure on brake disc, so as to realize brake effect.

[0004] Production of transmission screw usually relies on injection mold.However, in current mold design, because the concave-convex structure on the outer side of transmission screw does not match the opening direction of mold, it leads to difficulty in demolding process.This difficulty increases resistance in production process, which may cause screw jamming or damage, thereby affecting production efficiency.In addition, continuous demolding difficulty also accelerates the wear of mold, shortens its service life, and thus increases production cost. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of embedded forming lever mould for vehicle electronic gear, to solve the technical problems, such as demolding difficulty caused by the concave-convex structure on the outer side of transmission screw not matching the opening direction of mold in prior art, thereby leading to low production efficiency and increasing production cost.

[0006] To achieve the above-mentioned purpose, the utility model embodiment provides a kind of embedded forming lever mould for vehicle electronic gear, comprising:

[0007] Upper die set, the upper die set has main runner and shunt that are interconnected, and upper core for forming the upper surface of injection molded part;

[0008] Lower die set, the lower die set includes lower core for forming the lower surface of injection molded part;

[0009] A lateral core-pulling structure is arranged between the upper mold set and the lower mold set, and the lateral core-pulling structure comprises a slider core for forming a lateral surface of an 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;

[0010] The upper mold set and the lower mold set are movably connected, and a molding cavity is formed between the upper core, the lower core and the slider core when the upper mold set and the lower mold set are combined.

[0011] A material ejecting assembly comprises a ejector pin which extends into a clearance hole in the lower core and can continue to move upward for ejecting an injection molded part.

[0012] Optionally, 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 inclined surface, and the periphery of the guide inclined surface is provided with a wear-resistant gasket.

[0013] Optionally, 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 for rolling of the rolling ball.

[0014] Optionally, the outer surface of the slider core is provided with a high-temperature-resistant layer.

[0015] Optionally, the wedge block is locked by two pins which are respectively inserted from the top and bottom of the wedge block.

[0016] Optionally, the surfaces of the upper core and the lower core are both provided with heating elements.

[0017] Optionally, a guide assembly is arranged between the upper mold set and the lower mold set.

[0018] Optionally, 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.

[0019] Optionally, the material ejecting assembly further comprises a return spring which cooperates with the ejector pin.

[0020] Optionally, the embedded forming lever mold for vehicle-mounted electronic gear 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 is in communication with the upper core, and the lower cooling flow channel is in communication with the lower core.

[0021] The embedded forming lever mold for vehicle-mounted electronic gear provided by the embodiment of the present application has at least one of the following technical effects:

[0022] The utility model discloses an embedded forming lever mould for vehicle electronic gear,

[0023] The upper die set has a main runner and a branch runner which are communicated with each other, and these channels are used to guide the molten plastic into the mould, in addition, the upper die set is also equipped with an upper core for forming the upper surface of the injection molded part, which determines the shape and quality of the upper surface of the injection molded part;

[0024] Secondly, the lower die set is another important component of the mould, which includes a lower core for forming the lower surface of the injection molded part, and the lower core cooperates with the upper core to define the overall shape of the injection molded part;

[0025] In addition, the lateral core-pulling structure is an innovative feature of the mould, which is arranged between the upper die set and the lower die set, and the lateral core-pulling structure includes a slider core for forming the side surface of the injection molded part, the slider core is inserted and matched with the inclined guide pillar, and the inclined guide pillar is used to guide the slider core to move laterally during the opening and closing of the mould, in order to ensure that the slider core does not move unexpectedly during the movement, the wedge block is used to resist and limit the slider core, and at the same time, in order to fix the position of the wedge block, the pin is used to lock the wedge block;

[0026] The upper die set and the lower die set are connected together through the movable connection mode, and when the upper die set and the lower die set are combined, the upper core, the lower core and the slider core will form a complete cavity, and this cavity is the key space for the forming of the injection molded part, the molten plastic is injected into this cavity under high pressure, and the required injection molded part is formed after cooling;

[0027] Finally, the ejecting assembly is an important part of the mould for ejecting the injection molded part, and the ejecting assembly includes a ejector pin, which extends into the avoiding hole in the lower core and can continue to move upward, when the injection molded part is cooled and formed in the mould, the ejector pin will move upward to eject the injection molded part from the mould, so as to carry out subsequent processing and assembly;

[0028] Through the precise cooperation and cooperative work of the above-mentioned parts, the embedded forming lever mould for vehicle electronic gear can efficiently and accurately produce high-quality injection molded parts, meet the strict requirements of modern automobile electronic gear system on parts, solve the technical problem of difficult demoulding of injection molded products, thereby improving production efficiency and reducing production cost. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiments or prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.

[0030] Figure 1 A sectional view is provided for the embodiment of the utility model.

[0031] Figure 2 A sectional view of the lateral core-pulling structure is provided for the embodiment of the utility model.

[0032] Figure 3 Another sectional view in another direction is provided for the embodiment of the utility model.

[0033] Figure 4 A top view is provided for the embodiment of the utility model.

[0034] In the drawings, various reference signs represent:

[0035] 10, upper mold set; 11, upper core; 12, main runner;

[0036] 13, branch runner; 20, lower mold set; 21, lower core;

[0037] 30, lateral core-pulling structure; 31, slider core; 32, inclined guide pillar;

[0038] 33, wedge block; 34, pin; 40, cavity;

[0039] 50, ejector assembly; 51, ejector pin; 311, mating hole;

[0040] 312, guide inclined surface. DETAILED DESCRIPTION

[0041] The embodiments of the utility model are described in detail below, examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with 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 utility model, and cannot be understood as a limitation of the utility model.

[0042] In the description of the embodiments of the utility model, it is understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the utility model and simplifying the description, and therefore cannot be understood as indicating or implying 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 a limitation of the utility model.

[0043] In addition, the terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" are only used for descriptive purpose and cannot be understood as indicating or implying relative importance or implying the number of the technical features indicated. Therefore, the features defined with "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more than two, unless otherwise specifically defined.

[0044] In the embodiments of the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "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 or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0045] In one embodiment of the present application, as shown in Figures 1-4 A kind of embedded forming lever mould for vehicle electronic gear is provided, comprising:

[0046] Upper die set 10, the upper die set 10 has main runner 12 and shunt 13 that are interconnected, and upper core 11 for forming the upper surface of injection molded part;

[0047] Lower die set 20, the lower die set 20 includes lower core 21 for forming the lower surface of injection molded part;

[0048] Side core-pulling structure 30, the side core-pulling structure 30 is arranged between the upper die set 10 and the lower die set 20, and the side core-pulling structure 30 includes slider core 31 for forming the side surface of injection molded part, inclined guide column 32 inserted with slider core 31, wedge block 33 for resisting and limiting slider core 31, and pin 34 for locking wedge block 33;

[0049] The upper die set 10 and the lower die set 20 are movably connected, and when the upper die set 10 and the lower die set 20 are closed, the upper core 11, the lower core 21 and the slider core 31 form a cavity 40;

[0050] Material ejecting assembly 50, the material ejecting assembly 50 includes ejector pin 51, the ejector pin 51 extends into the clearance hole in the lower core 21, and can continue to move upward to eject the injection molded injection molded part.

[0051] Specifically, the embedded forming lever mould for vehicle electronic gear of the present application,

[0052] The upper die set 10 has a main runner 12 and a branch runner 13 which are in communication with each other, and are used to guide the molten plastic into the mold, and in addition, the upper die set 10 is equipped with an upper core 11 which is used to form the upper surface of the injection molded part, and determines the shape and quality of the upper surface of the injection molded part;

[0053] Secondly, the lower die set 20 is another important component of the mold, and includes a lower core 21 which is used to form the lower surface of the injection molded part, and cooperates with the upper core 11 to define the overall shape of the injection molded part;

[0054] In addition, the side core-pulling structure 30 is an innovative feature of the mold, and is arranged between the upper die set 10 and the lower die set 20, and includes a slider core 31 which is used to form the side surface of the injection molded part, and cooperates with a tapered guide column 32 which is used to guide the side movement of the slider core 31 during the opening and closing of the mold, in order to ensure that the slider core 31 does not move unexpectedly during the movement, a wedge block 33 is used to resist and limit the slider core 31, and at the same time, in order to fix the position of the wedge block 33, a pin 34 is used to lock the wedge block 33;

[0055] The upper die set 10 and the lower die set 20 are connected together through a movable connection, and when the upper die set 10 and the lower die set 20 are closed, the upper core 11, the lower core 21 and the slider core 31 form a complete cavity 40, which is the key space for the formation of the injection molded part, and the molten plastic is injected into the cavity 40 under high pressure, and after cooling, the required injection molded part is formed;

[0056] Finally, the ejector assembly 50 is an important part of the mold for ejecting the injection molded part, and includes a ejector pin 51 which extends into a avoiding hole in the lower core 21, and can continue to move upward, and when the injection molded part is cooled and formed in the mold, the ejector pin 51 moves upward to eject the injection molded part from the mold, so as to be processed and assembled subsequently;

[0057] Through the precise cooperation and cooperation of the above-mentioned parts, the vehicle-mounted electronic gear embedded forming lever mold can efficiently and accurately produce high-quality injection molded parts, meet the strict requirements of modern automobile electronic gear systems for parts, solve the technical problem of difficult demolding of injection molded products, thereby improving production efficiency and reducing production cost.

[0058] In another embodiment of the present application, as shown in Figures 1-4As shown, the slider core 31 is provided with a matching hole 311 for inserting the inclined guide pillar 32, and the matching hole 311 is provided with a guide inclined surface 312, and the circumferential side of the guide inclined surface 312 is provided with a wear-resistant gasket. Specifically, the matching hole 311 is provided with a guide inclined surface 312, and the circumferential side of the guide inclined surface 312 is provided with a soft wear-resistant gasket, which can reduce the friction between the slider core 31 and the inclined guide pillar 32 during movement, prolong the service life of the mold, and ensure the cooperation accuracy of the slider core 31 and the inclined guide pillar 32.

[0059] In another embodiment of the present application, as shown in Figures 1-4 As shown, the slider core 31 and the lower mold set 20 are in rolling contact, wherein the bottom of the slider core 31 is provided with a ball, and the lower mold set 20 is provided with an arc-shaped groove for rolling the ball. Specifically, the bottom of the slider core 31 is provided with a ball, and the lower mold set 20 is provided with an arc-shaped groove for rolling the ball, and the rolling contact design can further reduce friction and improve the movement efficiency of the mold.

[0060] In another embodiment of the present application, as shown in Figures 1-4 As shown, the outer surface of the slider core 31 is provided with a high-temperature-resistant layer. Specifically, this design can protect the slider core 31 from damage when working in a high-temperature environment, and ensure the stability of the mold and the quality of the injection molded part.

[0061] In another embodiment of the present application, as shown in Figures 1-4 As shown, the wedge block 33 is locked by two pins 34, and the two pins 34 are inserted from the top and bottom of the wedge block 33, respectively. Specifically, the double-pin 34 locking design can ensure the stability of the wedge block 33 during the working process of the mold, and prevent displacement.

[0062] In another embodiment of the present application, as shown in Figures 1-4 As shown, the surface of the upper mold core 11 and the lower mold core 21 is provided with a heating element. Specifically, the heating element can ensure that the mold maintains a constant temperature during the working process, thereby ensuring the quality and consistency of the injection molded part.

[0063] 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. Specifically, the design of the guide assembly can ensure the accurate alignment of the mold during opening and closing, improve the service life of the mold, and improve the quality of the injection molded part.

[0064] In another embodiment of the present application, as shown in Figures 1-4As shown, the guide assembly comprises a guide pin and a guide sleeve which are matched with each other, the guide pin is installed on the upper die set 10, and the guide sleeve is installed on the lower die set 20. Specifically, the guide pin is precisely installed on the corresponding position of the upper die set 10, and the guide sleeve is fixed on the corresponding position of the lower die set 20, through the design, the guide assembly can ensure accurate alignment during the opening and closing of the mold, thereby significantly improving the service life of the mold, in addition, the accurate alignment also helps to improve the quality of the injection molded part, and ensures that each injection molded part can reach the predetermined accuracy and quality standard.

[0065] In another embodiment of the present application, as shown in Figures 1-4 As shown, the ejector assembly 50 further comprises a reset spring which cooperates with the ejector pin 51. Specifically, the design of the reset spring can ensure that the ejector pin 51 can quickly reset after ejecting the injection molded part, thereby improving the working efficiency of the mold.

[0066] In another embodiment of the present application, as shown in Figures 1-4 As shown, the vehicle-mounted electronic gear embedded forming lever mold further comprises an upper cooling flow channel formed in the upper die set 10 and a lower cooling flow channel formed in the lower die set 20, the upper cooling flow channel is in communication with the upper core 11, and the lower cooling flow channel is in communication with the lower core 21. Specifically, the upper cooling flow channel is in communication with the upper core 11, and the lower cooling flow channel is in communication with the lower core 21, and the design of these cooling flow channels can ensure the temperature control of the mold during the working process, thereby preventing the injection molded part from being deformed or having quality problems due to uneven cooling.

[0067] The remaining parts of the embodiment are the same as those of the first embodiment, and the features not explained in the embodiment are explained in the first embodiment, which will not be repeated here.

[0068] The above only describes the preferred embodiments of the present application and should not be used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An in-mold formed lever mold for use in an automotive electronic gear, characterized by, The application relates to a vehicle-mounted electronic gear embedded forming lever mold. The upper mold set and the lower mold set are movably connected, and when the upper mold set and the lower mold set are combined, a mold cavity is formed among the upper mold core, the lower mold core and the slider core. The slider core is provided with a matching hole for inserting the inclined guide pillar, and the matching hole is provided with a guide inclined surface, and the circumferential side of the guide inclined surface is provided with a wear-resistant gasket. The slider core is in rolling contact with the lower mold set, wherein the bottom of the slider core is provided with a ball bearing, and the lower mold set is provided with an arc-shaped groove for rolling the ball bearing. The outer surface of the slider core is provided with a high-temperature-resistant layer. The wedge block is locked by two pins, and the two pins are respectively inserted from the top and bottom of the wedge block.

2. The insert-molding lever mold for automotive electronics according to claim 1, characterized by: The surfaces of the upper mold core and the lower mold core are provided with heating elements.

3. The insert-molding lever mold for automotive electronics according to claim 2, characterized by: The upper mold set and the lower mold set are provided with a guide assembly.

4. The insert-molding lever mold for automotive electronics according to claim 3, characterized by: The guide assembly comprises a guide column and a guide sleeve which are matched with each other, the guide column is installed on the upper mold set, and the guide sleeve is installed on the lower mold set.

5. The insert-molding lever mold for an electronic gear of a vehicle according to any one of claims 1 to 4, characterized in that: The ejector assembly further comprises a reset spring matched with the ejector pin.

6. The insert-molding lever mold for an electronic gear of a vehicle according to any one of claims 1 to 4, characterized in that: The vehicle-mounted electronic gear embedded forming lever 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 is communicated with the upper mold core, and the lower cooling flow channel is communicated with the lower mold core.

7. The insert-molding lever mold for an electronic gear of a vehicle according to any one of claims 1 to 4, characterized by: ​ 8. The insert-molding lever mold for automotive electronics according to claim 7, characterized by: ​ 9. The insert-molded lever mold for an in-vehicle electronic gear according to any one of claims 1 to 4, characterized by: ​ 10. The insert-molding lever mold for an electronic gear of a vehicle according to any one of claims 1 to 4, characterized by: ​

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