Demolding mechanism for hidden automobile handle injection molding

By designing a mold release mechanism for injection molding of hidden car handles, the coordination of the driving parts and the ejection parts is used to solve the problem of easy damage during molding during injection molding of the car handles, and the yield rate and use effect are improved.

CN222904754UActive Publication Date: 2025-05-27SUZHOU XIERLIN MASCH TECH CO LTD
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Patent Information

Application Number
CN202421779000.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-26
Publication Date
2025-05-27
Estimated Expiration
2034-07-26

AI Technical Summary

Technical Problem

During the injection molding of the car handle, due to the special structure of the handle, the door handle is easily damaged during demolding, and the yield rate is difficult to guarantee.

Method used

A hidden car handle injection molding release mechanism is designed, including a mold body, a mold frame, a driving member and an ejector. The driving member drives the molding frame and the workpiece to slide out, and the ejector lifts the workpiece out from the molding frame, achieving safe release.

Benefits of technology

It effectively reduces the damage to the workpiece, improves the yield rate of the workpiece, and has excellent use effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222904754U_ABST
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Abstract

The utility model relates to the technical field of injection molds, and particularly discloses a hidden demolding mechanism for injection molding of an automobile handle, which comprises a mold body, a forming frame is arranged in the mold body, and a mold core for injection molding of a workpiece is mounted in the forming frame; a driving piece is arranged between the mold body and the forming frame, and in the mold opening process, the forming frame and the workpiece are driven by the driving piece to slide out of the mold body; the forming device further comprises an ejection piece, and after the forming frame slides by a certain stroke, the ejection piece ejects the workpiece out of the forming frame. In the mold opening stroke of the mold body, the driving piece drives the forming frame and the workpiece in the forming frame to slide out, and after the forming frame slides by a certain stroke, the ejection piece ejects the workpiece out of the forming frame, so that the situation that the workpiece is damaged can be reduced, the yield of the workpiece is increased, and the use effect is extremely good.
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Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to a demolding mechanism for injection molding of a hidden car handle. Background Technique

[0002] At present, with the development of automotive electrification, people have correspondingly higher requirements for automotive intelligence; and now, in order to pursue extreme performance, the requirements for the fluid linearity of automobiles have also been improved; at the same time, in order to reduce the wind resistance and wind noise of automobiles, more and more automobiles are now designing the previous traditional protruding handles into hidden handles. The hidden car handle can be controlled to be in a closed state when the car is moving. At this time, the handle housing is in the same plane as the car door panel to reduce the wind resistance and wind noise of the car; when the car stops and the handle is not in use, the handle housing is also in the same plane as the car door panel to maintain the overall beauty of the car. During the injection molding process of the car handle, due to the special structure of the handle, it is easy to cause damage to the door handle during the demolding process, and the qualified rate cannot be guaranteed, there are certain deficiencies. Content of the Utility Model

[0003] The purpose of the utility model is to provide a demolding mechanism for injection molding of a hidden car handle to solve the problems put forward in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A demolding mechanism for injection molding of a hidden car handle, including a mold body, a forming frame is arranged inside the mold body, and a mold core for injecting workpieces is installed inside the forming frame; a driving member is arranged between the mold body and the forming frame, and during the mold opening process, the forming frame and the workpiece are driven to slide out of the mold body by the driving member; a top member is also included, and when the forming frame slides a certain stroke, the top member ejects the workpiece out of the forming frame.

[0005] Further, the driving member includes a fastening frame installed on the mold body, a connecting frame is arranged on the forming frame, and the connecting frame is connected to the fastening frame through a clamping member.

[0006] Further, the clamping member includes a convex block fixedly connected to the connecting frame, a clamping groove is opened on the fastening frame, and the convex block is clamped in the clamping groove; when the fastening frame slides upward, the connecting frame is driven to slide upward through the cooperation between the convex block and the clamping groove.

[0007] Further, a plurality of driving rods are arranged between the connecting frame and the forming frame to drive the forming frame to slide.

[0008] Further, a plurality of connecting blocks are arranged inside the mold body, and a linkage member is arranged between each connecting block and the mold body to drive the connecting block away from the forming frame during the mold opening stroke.

[0009] Further, the linkage member includes a cam pin installed on the mold body, a guide groove adapted to the cam pin is formed on the connecting block, and the cam pin slides in the guide groove to drive the connecting block to slide horizontally.

[0010] Further, a plurality of buffer springs are provided between the connecting frame and the mold.

[0011] Further, it further includes a mold base, and a plurality of limiting members are provided between the mold body and the mold base; the limiting member includes a limiting cylinder fixedly connected to the mold base, the mold body is fixedly connected with a limiting rod adapted to the limiting cylinder, and the limiting rod slides in the limiting cylinder.

[0012] Further, an injection port is further formed on the mold body, and the injection port is communicated with the molding frame through an injection channel.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: for the demolding mechanism for injection molding of the hidden automotive handle, through the cooperation among the mold body, the molding frame, the driving member, and the ejecting member, etc., during actual use, when it is necessary to demold the workpiece, first perform the mold opening operation. During the mold opening stroke of the mold body, the driving member drives the molding frame and the workpiece inside the molding frame to slide out. When the molding frame slides a certain stroke, the ejecting member ejects the workpiece from the molding frame, thereby being able to reduce the situation of workpiece damage, improve the qualified rate of the workpiece, and have an excellent use effect. Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present utility model, and for those of ordinary skill in the art, other drawings can also be obtained based on these drawings.

[0015] Figure 1 It is a schematic diagram of the overall structure provided by an embodiment of the present utility model;

[0016] Figure 2 It is a schematic diagram of the internal structure of the mold provided by an embodiment of the present utility model;

[0017] Figure 3 It is a schematic diagram of a partial structure of the driving member provided by an embodiment of the present utility model;

[0018] Figure 4 It is a schematic diagram of the connection manner between the driving member and the molding frame provided by an embodiment of the present utility model;

[0019] Figure 5 It is a schematic diagram of another partial view of the connection between the driving member and the molding frame provided by an embodiment of the present utility model;

[0020] Figure 6 Schematic diagram of the mold core structure provided by the embodiment of the present utility model;

[0021] Figure 7 Schematic diagram of the workpiece structure provided by the embodiment of the present utility model.

[0022] Description of reference numerals: 1, mold body; 2, injection port; 3, connecting frame; 4, mold core; 5, workpiece; 6, forming frame; 7, connecting block; 8, inclined guide pillar; 9, limiting member; 11, buffer spring; 12, convex block; 13, fastening frame; 14, card slot; 15, driving rod. Specific implementation manners

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figure 1-7 , the present utility model provides a technical solution: a demolding mechanism for injection molding of a hidden automotive handle, including a mold body 1. A forming frame 6 is arranged inside the mold body 1, and a mold core 4 for injecting the workpiece 5 is installed inside the forming frame 6; a driving member is arranged between the mold body 1 and the forming frame 6. During the mold opening process, the forming frame 6 and the workpiece 5 are driven by the driving member to slide out of the mold body 1; a ejecting member is further included. When the forming frame 6 slides a certain stroke, the ejecting member ejects the workpiece 5 from the forming frame 6.

[0025] Specifically, the demolding mechanism for injection molding of a hidden automotive handle includes a mold body 1 and a mold base, which can improve the stability of the mold body 1 during the mold opening operation. Inside the mold body 1, a forming frame 6 is provided, and a mold core 4 for injecting a workpiece 5 is installed inside the forming frame 6, facilitating the injection molding operation of the workpiece 5. A driving member is provided between the mold body 1 and the forming frame 6. During the mold opening process, the driving member drives the forming frame 6 and the workpiece 5 to slide out of the mold body 1, thus facilitating the demolding of the workpiece 5. A ejecting member is also included. When the forming frame 6 slides a certain distance, the ejecting member ejects the workpiece 5 from the forming frame 6. The ejecting member is a prior art, including multiple ejecting rods, etc., and it can eject the workpiece 5 from the inside of the forming frame 6. Therefore, in the actual use of this demolding mechanism, when it is necessary to demold the workpiece 5, first perform the mold opening operation. During the mold opening stroke of the mold body 1, the driving member drives the forming frame 6 and the workpiece 5 inside the forming frame 6 to slide out. When the forming frame 6 slides a certain distance, the ejecting member ejects the workpiece 5 from the forming frame 6, which can reduce the damage to the workpiece 5 and improve the qualified rate of the workpiece 5, and the use effect is excellent.

[0026] In the embodiment provided by the present invention, the driving member includes a fastening frame 13 installed on the mold body 1, and a connecting frame 3 is provided on the forming frame 6. The connecting frame 3 is connected to the fastening frame 13 through a clamping member. In the embodiment provided by the present invention, the clamping member includes a convex block 12 fixedly connected to the connecting frame 3, and a clamping groove 14 is opened on the fastening frame 13. The convex block 12 is clamped in the clamping groove 14. When the fastening frame 13 slides upward, the connecting frame 3 is driven to slide upward through the cooperation between the convex block 12 and the clamping groove 14, facilitating the driving of the forming frame 6 to slide and meeting the working requirements.

[0027] In the embodiment provided by the present invention, multiple driving rods 15 are provided between the connecting frame 3 and the forming frame 6 for driving the forming frame 6 to slide, further facilitating the driving of the forming frame 6 to slide and meeting the working requirements.

[0028] In the embodiment provided by the present invention, multiple connecting blocks 7 are provided inside the mold body 1, and a linkage member is provided between each connecting block 7 and the mold body 1 to drive the connecting block 7 away from the forming frame 6 during the mold opening stroke, thereby further improving the working efficiency of the injection mold.

[0029] In the embodiment provided by the present invention, the linkage member includes an inclined guide post 8 installed on the mold body 1, and a guide groove adapted to the inclined guide post 8 is opened on the connecting block 7. The inclined guide post 8 slides in the guide groove to drive the connecting block 7 to slide horizontally, facilitating the driving of the connecting block 7 to slide.

[0030] In the embodiment provided by the present invention, multiple buffer springs 11 are provided between the connecting frame 3 and the mold.

[0031] In the embodiment provided by the present utility model, a plurality of limiting members 9 are arranged between the mold body 1 and the mold base; the limiting member 9 includes a limiting cylinder fixedly connected to the mold base, and the mold body 1 is fixedly connected with a limiting rod adapted to the limiting cylinder, and the limiting rod slides in the limiting cylinder to improve the stability of the mold body 1 during the mold opening stroke.

[0032] In the embodiment provided by the present utility model, an injection port 2 is further opened on the mold body 1, and the injection port 2 is communicated with the molding frame 6 through an injection channel, which is convenient for injection molding operations.

[0033] It should be noted that the electrical equipment involved in this application can be powered by a storage battery or an external power supply.

[0034] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, terms such as "installation", "provided with", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0035] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model, and the scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A demoulding mechanism for injection molding of a hidden automobile handle, comprising a mold body (1), characterized in that: A molding frame (6) is arranged inside the mold body (1), and a mold core (4) for injection molding a workpiece (5) is installed inside the molding frame (6); A driving member is arranged between the mold body (1) and the forming frame (6), and during the mold opening process, the driving member drives the forming frame (6) and the workpiece (5) to slide out of the mold body (1); It also comprises an ejector, which ejects the workpiece (5) from the molding frame (6) when the molding frame (6) slides a certain distance.

2. The demoulding mechanism for injection molding of a hidden automobile handle according to claim 1, characterized in that: The driving member comprises a fastening frame (13) mounted on the mold body (1), and a connecting frame (3) is arranged on the forming frame (6), and the connecting frame (3) is connected to the fastening frame (13) via a clamping member.

3. A demoulding mechanism for injection molding of a hidden automobile handle according to claim 2, characterized in that: The clamping member comprises a protrusion (12) fixedly connected to the connecting frame (3); a clamping groove (14) is provided on the fastening frame (13), and the protrusion (12) is clamped in the clamping groove (14); when the fastening frame (13) slides upward, the connecting frame (3) is driven to slide upward through the cooperation between the protrusion (12) and the clamping groove (14).

4. The demoulding mechanism for injection molding of a hidden automobile handle according to claim 2, characterized in that: A plurality of groups of driving rods (15) are arranged between the connecting frame (3) and the forming frame (6) for driving the forming frame (6) to slide.

5. The demoulding mechanism for injection molding of a hidden automobile handle according to claim 1, characterized in that: A plurality of groups of connecting blocks (7) are arranged inside the mold body (1), and a linkage member is arranged between each connecting block (7) and the mold body (1), so that the connecting block (7) is driven away from the molding frame (6) during the mold opening stroke.

6. The demoulding mechanism for injection molding of a hidden automobile handle according to claim 5, characterized in that: The linkage member comprises an inclined guide column (8) mounted on the mold body (1); a guide groove matching the inclined guide column (8) is provided on the connecting block (7); the inclined guide column (8) slides in the guide groove to drive the connecting block (7) to slide horizontally.

7. The demoulding mechanism for injection molding of a hidden automobile handle according to claim 2, characterized in that: A plurality of groups of buffer springs (11) are arranged between the connecting frame (3) and the mould.

8. The demoulding mechanism for injection molding of a hidden automobile handle according to claim 1, characterized in that: It also includes a mold frame, and a plurality of groups of limiting members (9) are arranged between the mold body (1) and the mold frame; the limiting members (9) include a limiting cylinder fixedly connected to the mold frame, and the mold body (1) is fixedly connected to a limiting rod adapted to the limiting cylinder, and the limiting rod slides in the limiting cylinder.

9. The demoulding mechanism for injection molding of a hidden automobile handle according to claim 1, characterized in that: The mold body (1) is also provided with an injection port (2), and the injection port (2) is connected to the molding frame (6) through an injection channel.