A two-color mold slide block inclined top mold

Abstract

The utility model is suitable for mould manufacturing technical field provides a kind of two-color mould slide block inclined ejector, including front die and rear die, rear die is rotatably installed in the below of front die by rotating mechanism, and slide block inclined ejector assembly is installed between front die and rear die, fixed pressing block is installed on slide block inclined ejector assembly, fixed pressing block is fixed with slide block core, and slide block core is cooperated with front die, rear die and slide block inclined ejector assembly and forms the injection molding cavity of hard glue and soft glue;Slide block inclined ejector assembly is cooperated with slide block core and closely adheres with hard glue matrix in clamping process, effectively avoids the displacement caused by pressure impact when soft glue injection molding, makes hard glue and soft glue interface seamless composite, improves the sealing performance between two, thoroughly solves the adverse problem caused by soft glue displacement in traditional process;180 degrees rotation of rear die replaces traditional twice positioning and twice mold opening, reduces the production cycle of product, improves the production efficiency of product, adapts the continuous production demand of automatic production line.

Description

Technical Field

[0001] This utility model belongs to the field of mold manufacturing technology, and in particular relates to a two-color mold slider inclined ejector mold. Background Technology

[0002] Currently, components such as oil pipe joints in new energy vehicles need to achieve a combination of hard plastic load-bearing and soft plastic sealing performance through two-color injection molding. The mainstream hard plastic material is PA66-GF50 (which provides structural strength and oil resistance), while the soft plastic material is mostly TPV (which provides sealing and leakage prevention as well as vibration buffering).

[0003] Existing conventional two-color molding techniques generally employ a process of two mold openings and two positioning operations, which has certain technical drawbacks in practical applications:

[0004] First, in conventional processes, after the hard plastic is molded, it needs to be removed from the mold and repositioned before the soft plastic is injected. The secondary positioning is prone to deviation, causing the soft plastic to be displaced by the injection pressure of the hard plastic, resulting in poor product qualification rate and failure to meet the high reliability requirements of automotive parts.

[0005] Secondly, existing conventional processes can easily create gaps at the interface between hard and soft rubber due to positioning deviations, failing to meet the IP67 sealing requirements of automotive oil pipe joints and posing a risk of high-pressure oil leakage.

[0006] Therefore, in view of the above situation, there is an urgent need to develop a two-color mold slider angled ejector mold to overcome the shortcomings in current practical applications. Utility Model Content

[0007] In view of the shortcomings of the existing technology, the purpose of this utility model embodiment is to provide a two-color mold slider inclined ejector mold to solve the problems in the background technology mentioned above.

[0008] To achieve the above objectives, this utility model provides the following technical solution:

[0009] A two-color sliding block ejector mold includes a front mold core and a rear mold core. The rear mold core is rotatably mounted below the front mold core via a rotating mechanism. A sliding block ejector assembly is installed between the front and rear mold cores. One end of the sliding block ejector assembly is fixedly connected to the front mold core, and the other end of the sliding block ejector assembly is horizontally slidably mounted on the rear mold core. A fixing block is installed on the sliding block ejector assembly, and a sliding block core is horizontally fixed on the fixing block. The sliding block core cooperates with the front mold core, the rear mold core, and the sliding block ejector assembly to form an injection cavity for the hard and soft rubber on the quick-connect fitting of the oil pipe. The rotating mechanism drives the rear mold core to rotate 180 degrees and completes the precise transfer of the hard rubber substrate.

[0010] As a further technical solution of this utility model, the slider inclined ejector assembly includes a shovel base, a pressure strip, a slider seat, a guide block, a support pin, a limiting block, a slider inclined ejector, a pressure strip, a guide block, a limiting block, a spring, and an inclined ejector seat. The shovel base is fixed on the front mold core, and one end of the shovel base is inclinedly slidably connected to the slider seat. The bottom of the slider seat is equipped with a guide block that is horizontally slidably connected to the rear mold core. Pressure strips are distributed on both sides of the slider seat. The pressure strips are symmetrically fixed on the rear mold core and limit the movement of both sides of the slider seat. A fixed pressure block is fixed on one side of the device, and an inclined top seat is fixed on one side of the fixed pressure block. A slider inclined top is slidably mounted on the inclined top seat. The bottom of the slider inclined top is slidably mounted on the inclined top seat through a guide block two. Pressure strips two for limiting the sides of the slider inclined top are fixed on both sides of the inclined top seat. A limiting block one and a support pin are both mounted on the fixed pressure block. The limiting block one intermittently abuts against the top of the slider inclined top. A spring connected to one side of the slider inclined top is mounted on the support pin. A limiting block two that intermittently abuts against the bottom of the slider inclined top is fixed on the inclined top seat.

[0011] As a further technical solution of this utility model, a ball screw is installed on the guide block, which is used to position the slider seat and prevent it from retracting excessively.

[0012] As a further technical solution of this utility model, a back wear-resistant block is provided on the back side of the shovel base, and a front wear-resistant block is provided on the front side of the shovel base. Both the front wear-resistant block and the back wear-resistant block are used to replace the shovel base in direct contact with the slider seat. A bottom wear-resistant block is fixed at the bottom of the shovel base, and the bottom wear-resistant block is used to replace the shovel base in direct contact with the rear mold core.

[0013] As a further technical solution of this utility model, a top wear-resistant block is fixed to the top of the slider seat, and a slider wear-resistant block is fixed to the bottom of the slider seat. The top wear-resistant block is used to replace the slider seat in direct contact with the front mold core, and the slider wear-resistant block is used to replace the slider seat in direct contact with the rear mold core.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] The slider angled ejector assembly works in conjunction with the slider core to fit tightly against the hard plastic substrate during mold closing, effectively preventing displacement caused by pressure impact during soft plastic injection molding. This allows for seamless bonding between the hard and soft plastic interfaces, improving the sealing performance between them and completely solving the problems caused by soft plastic displacement in traditional processes. It also avoids the risk of oil leakage in actual applications.

[0016] The 180-degree rotation of the rear mold core can replace the traditional two positioning and two mold opening, shorten the product production cycle, improve the product production efficiency, and adapt to the continuous production needs of automated production lines.

[0017] The design of back wear-resistant blocks, front wear-resistant blocks, top wear-resistant blocks, slider wear-resistant blocks, and bottom wear-resistant blocks can reduce the overall wear rate of the mold, reduce the number of mold replacements and maintenance, and extend the service life of the mold.

[0018] To more clearly illustrate the structural features and effects of this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the slider-elevator assembly in a two-color slider-elevator mold provided in an embodiment of the present invention.

[0020] Figure 2 This is a schematic diagram of the structure of the quick-connect oil pipe obtained by the mold of this utility model.

[0021] Figure 3 This is a cross-sectional view of the two-color mold slider inclined ejector mold for opening the hard plastic on the quick connector of the oil pipe, as provided in the embodiment of this utility model.

[0022] Figure 4 This is a cross-sectional view of the two-color mold slider inclined ejector mold for opening the soft rubber on the quick connector of the oil pipe, provided in an embodiment of this utility model.

[0023] Reference numerals: 1-Shovel base, 2-Back wear-resistant block, 3-Front wear-resistant block, 4-Top wear-resistant block, 5-Pressure strip one, 6-Slider seat, 7-Slider wear-resistant block, 8-Bottom wear-resistant block, 9-Guide block one, 10-Support pin, 11-Limit block one, 12-Slider angled ejector, 13-Pressure strip two, 14-Guide block two, 15-Limit block two, 16-Spring, 17-Angled ejector seat, 18-Fixing pressure block, 19-Slider core, 20-Ball screw, 21-Hard rubber, 22-Soft rubber, 23-Rear mold core, 24-Front mold core. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0025] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0026] like Figures 1 to 4As shown, a two-color mold slider angled ejector 12 mold provided as an embodiment of the present utility model includes a front mold core 24 and a rear mold core 23. The rear mold core 23 is rotatably installed below the front mold core 24. A slider angled ejector assembly is installed between the front mold core 24 and the rear mold core 23. One end of the slider angled ejector assembly is fixedly connected to the front mold core 24, and the other end of the slider angled ejector assembly is horizontally slidably installed on the rear mold core 23. A fixing block 18 is installed on the slider angled ejector assembly, and a slider core 19 is horizontally fixed on the fixing block 18. The slider core 19 cooperates with the front mold core 24, the rear mold core 23 and the slider angled ejector assembly to form an injection cavity for the hard rubber 21 and soft rubber 22 on the quick connector of the oil pipe, thereby completing the quick mold opening of the quick connector of the oil pipe.

[0027] Initially, the rear mold core 23 is in the injection station of the hard plastic 21. During the mold closing process with the rear mold core 23, the front mold core 24 in the injection station of the hard plastic 21 can drive one end of the slider and ejector assembly to move down. The one end of the slider and ejector assembly can drive the other end and the slider core 19 to move laterally in sync, thereby forming an injection cavity for the hard plastic 21 area of ​​the quick connector for the oil pipe. The hard plastic 21 base of the quick connector for the oil pipe is obtained through the injection molding process. After the hard plastic 21 is injected, the front mold core 24 moves up and drives one end of the slider and ejector assembly to move synchronously, thereby completing the mold opening of the hard plastic 21, so that the hard plastic 21 product remains stationary with the rear mold core 23.

[0028] The rear mold core 23 rotates the hard plastic product 21 on it by 180 degrees, allowing the hard plastic product 21 to be transferred to the soft plastic injection station 22, achieving the function of switching stations without secondary positioning. The front mold core 24 and the rear mold core 23 at the soft plastic injection station close the mold and drive one end of the slider and angled ejector assembly to move down, thereby closing the mold again to form the soft plastic injection cavity for the soft plastic 22 area on the quick connector. Through the injection molding process, the soft plastic 22 base of the quick connector is obtained on the basis of the original hard plastic 21. After the soft plastic 22 is injected, the mold opens again, and the ejector pin on the rear mold core 23 can eject the obtained two-color composite product (i.e., quick connector). The rear mold core 23 rotates 180 degrees in the opposite direction and returns to the hard plastic injection station 21, thus entering the next product molding cycle.

[0029] This mold-opening method not only enables zero-displacement encapsulation, forming a seamless composite structure between the hard plastic 21 and the soft plastic 22, improving the sealing performance between them, avoiding the risk of oil leakage in actual applications, and improving the product qualification rate, but also allows the 180-degree rotation of the rear mold core 23 to replace the traditional two positioning and two mold opening, reducing the product production cycle, improving product production efficiency, and adapting to the continuous production needs of automated production lines.

[0030] In a preferred embodiment, the rotating structure driving the rear mold core 23 can preferably be a structure composed of a servo motor, a reduction gear set, and a photoelectric encoder. The servo motor drives the rear mold core 23 to rotate 180 degrees around the central axis through the reduction gear set. This not only allows the rear mold core 23 with the hard rubber 21 substrate to be accurately transferred to the soft rubber 22 injection molding station, but also allows the rear mold core 23 after the product is ejected in the soft rubber 22 injection molding process to be transferred in the opposite direction to the hard rubber 21 injection molding station, facilitating the molding cycle of the next product. The photoelectric encoder can monitor the rotation angle of the rear mold core 23 in real time to ensure the accuracy of station switching, eliminating the need for secondary positioning of the rear mold core 23 and avoiding problems such as displacement of the hard rubber 21 substrate.

[0031] like Figures 1 to 4 As shown, in a preferred embodiment of this utility model, the slider inclined ejector assembly includes a shovel base 1, a pressure strip 5, a slider seat 6, a guide block 9, a support pin 10, a limiting block 11, a slider inclined ejector 12, a pressure strip 13, a guide block 14, a limiting block 15, a spring 16, and an inclined ejector seat 17. The shovel base 1 is fixed on the front mold core 24, and one end of the shovel base 1 is inclined and slidably connected to the slider seat 6. The bottom of the slider seat 6 is equipped with a guide block 9 that is horizontally slidably connected to the rear mold core 23. Pressure strips 5 are distributed on both sides of the slider seat 6. The pressure strips 5 are symmetrically fixed on the rear mold core 23 and limit the movement of both sides of the slider seat 6. One side of the slider seat 6... A fixed pressure block 18 is fixed, and a slanted top seat 17 is fixed on one side of the fixed pressure block 18. A slider slanted top 12 is slidably installed on the slanted top seat 17. The bottom of the slider slanted top 12 is slidably installed on the slanted top seat 17 through a guide block 2 14. Pressure strips 2 13 for limiting the sides of the slider slanted top 12 are fixed on both sides of the slanted top seat 17. Limiting block 11 and support pin 10 are both installed on the fixed pressure block 18. Limiting block 11 intermittently abuts against the top of the slider slanted top 12. A spring 16 connected to one side of the slider slanted top 12 is installed on the support pin 10. Limiting block 2 15 intermittently abuts against the bottom of the slider slanted top 12 is fixed on the slanted top seat 17.

[0032] In the initial state, the shovel base 1 is not in sliding engagement with the slider seat 6, and the slider seat 6 is in a position away from the injection cavity. The spring 16, through the interaction with the support pin 10, can drive the slider inclined top 12 to contact the limiting block 15 on the inclined top seat 17, so that the slider inclined top 12 and the inclined top seat 17 are in an interleaved state.

[0033] When the shovel base 1 moves downward synchronously with the front mold core 24, the shovel base 1, through its downward movement and its inclined sliding engagement with the slider seat 6, can drive the slider seat 6 to move towards the injection cavity. The slider seat 6 drives the fixed pressure block 18 to move synchronously, and the fixed pressure block 18 drives the slider core 19, the inclined ejector seat 17, and the slider inclined ejector 12 to move synchronously. When the slider inclined ejector 12 contacts the rear mold core 23, the inclined ejector seat 17, through its movement and engagement with the guide block 14 and the pressure strip 13, can drive the slider inclined ejector 12 to slide on the inclined ejector seat 17. At this time, the spring 16 is in a position... In the compressed state, the sliding slider 12 sliding on the slanted ejector seat 17 can cooperate with the moving slider core 19, the front mold core 24, and the stationary rear mold core 23. This not only forms the injection cavity of hard rubber 21 at the injection station of hard rubber 21, but also forms the injection cavity of soft rubber 22 at the injection station of soft rubber 22. The hard rubber 21 substrate in the injection cavity of soft rubber 22 is fixed to prevent it from shifting during the injection process. Thus, the soft rubber 22 substrate of the oil pipe quick connector is obtained on the basis of the original hard rubber 21, resulting in a two-color composite product (i.e., oil pipe quick connector).

[0034] In a preferred embodiment, the slider ejector 12, slider core 19, and front mold core 24 on the hard rubber injection station 21 and the soft rubber injection station 22 are all different. The slider ejector 12, slider core 19, and front mold core 24 on each station can form the required hard rubber 21 injection cavity and soft rubber 22 injection cavity. By replacing the slider core 19 and adjusting the injection parameters of the slider ejector 12, rear mold core 23, and front mold core 24, it can be adapted to various two-color composite components (such as sensor housings or wire harness connectors) in the three-electric system (battery, motor, or electronic control) of new energy vehicles, and is compatible with multiple material combinations such as PA66-GF50 / TPV and PBT / silicone, thereby improving the compatibility and applicability of the mold.

[0035] like Figures 1 to 4 As shown, in a preferred embodiment of the present invention, a ball screw 20 is installed on the guide block 9. The ball screw 20 is used to position the slider seat 6 and prevent it from retracting excessively.

[0036] like Figures 1 to 4 As shown, in a preferred embodiment of this utility model, a back wear-resistant block 2 is provided on the back side of the shovel base 1, and a front wear-resistant block 3 is provided on the front side of the shovel base 1. Both the front wear-resistant block 3 and the back wear-resistant block 2 can replace the shovel base 1 to directly contact the slider seat 6, thereby reducing the wear rate between the two and extending their service life. A bottom wear-resistant block 8 is fixed at the bottom of the shovel base 1. The bottom wear-resistant block 8 can replace the shovel base 1 to directly contact the rear mold core 23, thereby reducing the wear rate between the two.

[0037] like Figures 1 to 4As shown, in a preferred embodiment of this utility model, a top wear-resistant block 4 is fixed to the top of the slider seat 6, and a slider wear-resistant block 7 is fixed to the bottom of the slider seat 6. The top wear-resistant block 4 can replace the slider seat 6 in direct contact with the front mold core 24, and the slider wear-resistant block 7 can replace the slider seat 6 in direct contact with the rear mold core 23, thereby reducing the wear rate between the slider seat 6 and the front mold core 24 and the rear mold core 23, and extending their service life.

[0038] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A two-color mold slider angled ejector mold, comprising a front mold core and a rear mold core, characterized in that, The rear mold core is rotatably mounted below the front mold core via a rotating mechanism. A slider and angled ejector assembly is installed between the front and rear mold cores. One end of the slider and angled ejector assembly is fixedly connected to the front mold core, and the other end of the slider and angled ejector assembly is horizontally slidably mounted on the rear mold core. A fixing block is installed on the slider and angled ejector assembly, and a slider core is horizontally fixed on the fixing block. The slider core cooperates with the front mold core, the rear mold core, and the slider and angled ejector assembly to form an injection cavity for the hard and soft rubber on the quick connector of the oil pipe. The rotating mechanism drives the rear mold core to rotate 180 degrees and completes the precise transfer of the hard rubber substrate.

2. The dual-color mold slider angled ejector mold according to claim 1, characterized in that, The slider angled ejector assembly includes a shovel base, pressure strip one, slider seat, guide block one, support pin, limit block one, slider angled ejector, pressure strip two, guide block two, limit block two, spring, and angled ejector seat. The shovel base is fixed to the front mold core, and one end of the shovel base is inclined and slidably connected to the slider seat. The bottom of the slider seat is equipped with guide block one, which is horizontally slidably connected to the rear mold core. Pressure strip one is distributed on both sides of the slider seat. The pressure strip one is symmetrically fixed to the rear mold core and limits the two sides of the slider seat. A fixing device is fixed on one side of the slider seat. The pressure block has a slanted top seat fixed on one side, and a slider slanted top is slidably mounted on the slanted top seat. The bottom of the slider slanted top is slidably mounted on the slanted top seat via a guide block two. Pressure strips two for limiting the sides of the slider slanted top are fixed on both sides of the slanted top seat. A limiting block one and a support pin are both mounted on the pressure block. The limiting block one intermittently abuts against the top of the slider slanted top. A spring connected to one side of the slider slanted top is mounted on the support pin. A limiting block two that intermittently abuts against the bottom of the slider slanted top is fixed on the slanted top seat.

3. The dual-color mold slider angled ejector mold according to claim 2, characterized in that, A ball screw is installed on the guide block, which is used to position the slider seat and prevent it from retracting excessively.

4. The dual-color mold slider angled ejector mold according to claim 2, characterized in that, The back of the shovel base is provided with a back wear-resistant block, and the front of the shovel base is provided with a front wear-resistant block. Both the front and back wear-resistant blocks are used to replace the shovel base in direct contact with the slider seat. The bottom of the shovel base is fixed with a bottom wear-resistant block, which is used to replace the shovel base in direct contact with the rear mold core.

5. The dual-color mold slider angled ejector mold according to claim 4, characterized in that, A top wear-resistant block is fixed to the top of the slider seat, and a slider wear-resistant block is fixed to the bottom of the slider seat. The top wear-resistant block is used to replace the slider seat in direct contact with the front mold core, and the slider wear-resistant block is used to replace the slider seat in direct contact with the rear mold core.

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