Injection mold for doorsill part of automobile rear box

Abstract

The utility model relates to the technical field of injection molds, in particular to an automobile rear box doorsill piece injection mold which comprises a fixed mold plate, the bottom of the fixed mold plate is connected with a mold plate supporting frame, an ejector plate is arranged below the fixed mold plate, a movable mold plate is arranged above the fixed mold plate, and a linkage core pulling mechanism is arranged on the side wall of the movable mold plate. A linkage core-pulling mechanism is arranged in the injection mold for the doorsill part of the automobile rear box, so that a movable sliding block, an inclined guide column, a reset spring, an inverted buckle and interaction among all components in the linkage core-pulling mechanism are utilized, and the door sill part of the automobile rear box can be pulled out through the linkage core-pulling mechanism. When the injection molding part is ejected out, side hole demolding of the injection molding part can be automatically achieved, so that the device is more convenient to use, and the problem that side hole demolding of the injection molding part cannot be achieved when the injection molding part is ejected out is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold for an automobile rear trunk threshold part. Background Technique

[0002] For the current injection mold for an automobile rear trunk threshold part, it is not convenient to realize the linkage core pulling during core pulling. Most of them realize the demolding of the side holes through a driving device, making the device not very convenient to use. At the same time, when the mold is closed, there will be a deviation in the positioning between the fixed template and the moving template. In view of the above problems, an injection mold for an automobile rear trunk threshold part is needed. Content of the Utility Model

[0003] The purpose of the utility model is to provide an injection mold for an automobile rear trunk threshold part to solve the problems put forward in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solutions:

[0005] An injection mold for an automobile rear trunk threshold part, including a fixed template, a template support frame is connected to the bottom of the fixed template, a thimble plate is arranged below the fixed template, a moving template is arranged above the fixed template, a linkage core pulling mechanism is arranged on the side wall of the moving template, limit guiding mechanisms are connected to the opposite side walls of the fixed template and the moving template, a plurality of rocker bases are arranged on the end face of the thimble plate, rocker sliders are connected in the rocker bases, rocker thimbles are connected to the rocker sliders, and core pulling slider structures are symmetrically connected to the side wall of the fixed template;

[0006] The linkage core pulling mechanism includes a moving slider, the moving slider is connected to the side wall of the moving template, an inclined guide pillar is connected to the side wall of the moving slider, a return spring is connected to the side wall of the moving slider, and an undercut is connected to the side wall of the moving slider;

[0007] The limit guiding mechanism includes a fixed connecting block, the fixed connecting block is connected to the side wall of the moving template, a guiding slide bar is connected to the bottom of the fixed connecting block, a limit block is connected to the side wall of the guiding slide bar below the fixed connecting block, the limit block is connected to the side wall of the fixed template through a bolt, a fixed bolt is connected to the side wall of the limit block, and a fixed chute is opened on the side wall of the guiding slide bar corresponding to the fixed bolt;

[0008] The core pulling slider structure includes a driving oil cylinder, a sliding slider is connected to the driving end of the driving oil cylinder, a fixed sliding plate is connected to the side wall of the sliding slider, the fixed sliding plate is connected to the side wall of the moving template through a bolt, an inclined slider is connected to the side wall of the sliding slider, and a core block is connected to the other end of the inclined slider.

[0009] As a preferred solution of the present utility model, a chute is correspondingly provided on the rocker base and corresponding to the rocker slider, wherein the connection mode between the rocker slider and the chute is a sliding connection.

[0010] As a preferred solution of the present utility model, a chute is correspondingly provided on the side wall of the moving template and corresponding to the moving slider, wherein the connection mode between the moving slider and the chute is a sliding connection.

[0011] As a preferred solution of the present utility model, an engagement hole is correspondingly provided on the side wall of the moving slider and corresponding to the inclined guide pillar, wherein the connection mode between the inclined guide pillar and the engagement hole is a sliding connection.

[0012] As a preferred solution of the present utility model, a chute is correspondingly provided on the limit block and corresponding to the guide slide bar, wherein the connection mode between the guide slide bar and the chute is a sliding connection, and the connection mode between the limit block and the fixing bolt is a threaded connection.

[0013] As a preferred solution of the present utility model, a chute is correspondingly provided on the fixed slide plate and corresponding to the sliding slider, wherein the connection mode between the sliding slider and the chute is a sliding connection.

[0014] As a preferred solution of the present utility model, an inclined chute is correspondingly provided on the side wall of the sliding slider and corresponding to the inclined slider, wherein the connection mode between the inclined slider and the inclined chute is a sliding connection.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] In the present utility model, by arranging a linkage core-pulling mechanism in the injection mold for the rear trunk threshold part of an automobile, and through the interaction between the moving slider, the inclined guide pillar, the return spring, the undercut and each component in the linkage core-pulling mechanism, when the injection molded part is ejected during the use of the injection mold for the rear trunk threshold part of an automobile, the side hole demolding of the injection molded part can be automatically realized, making the device more convenient to use, and thus solving the problem that the side hole demolding of the injection molded part cannot be realized when the injection molded part is ejected.

[0017] In the present utility model, by arranging a limit guiding mechanism in the injection mold for the rear trunk threshold part of an automobile, and through the interaction between the fixed connection block, the guide slide bar, the limit block, the fixing bolt, the fixed chute and each component in the limit guiding mechanism, when the mold is closed during the use of the injection mold for the rear trunk threshold part of an automobile, the mold can be accurately positioned, thereby improving the product quality, and thus solving the problem that the mold cannot be accurately positioned when it is closed. Description of the Drawings

[0018] Figure 1 It is a front isometric structure schematic diagram of the present utility model;

[0019] Figure 2 is a schematic diagram of the internal structure of the present utility model Figure 1 ;

[0020] Figure 3 is a schematic diagram of the structure of the linkage core-pulling mechanism of the present utility model

[0021] Figure 4 is a schematic diagram of the structure of the core-pulling slider structure of the present utility model

[0022] Figure 5 is a schematic diagram of the structure of the limit guiding mechanism of the present utility model

[0023] In the figure: 1, fixed template; 2, template support frame; 3, ejector plate; 4, moving template; 5, linkage core-pulling mechanism; 6, limit guiding mechanism; 7, rocker base; 8, rocker slider; 9, rocker ejector pin; 10, core-pulling slider structure; 501, moving slider; 502, inclined guide pillar; 503, return spring; 504, undercut; 601, fixed connecting block; 602, guiding slide bar; 603, limit block; 604, fixing bolt; 605, fixed chute; 1001, driving oil cylinder; 1002, sliding slider; 1003, fixed slide plate; 1004, inclined slider; 1005, core block Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with 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

[0025] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present utility model are given. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present utility model more thorough and comprehensive

[0026] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this utility model belongs. The terms used in the specification of this utility model are only for the purpose of describing specific embodiments and are not intended to limit this utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0028] For the embodiments, please refer to Figures 1-5 , this utility model provides a technical solution:

[0029] An injection mold for an automobile rear trunk sill part, comprising a fixed template 1, a template support frame 2 is connected to the bottom of the fixed template 1, a thimble plate 3 is arranged below the fixed template 1, a movable template 4 is arranged above the fixed template 1, a linkage core-pulling mechanism 5 is arranged on the side wall of the movable template 4, limiting and guiding mechanisms 6 are connected to the opposite side walls of the fixed template 1 and the movable template 4, multiple groups of rocker bases 7 are arranged on the end surface of the thimble plate 3, a rocker slider 8 is connected in the rocker base 7, a rocker thimble 9 is connected to the rocker slider 8, and core-pulling slider structures 10 are symmetrically connected to the side wall of the fixed template 1;

[0030] In this embodiment, referring to Figure 1 、 Figure 2 and Figure 3 , the linkage core-pulling mechanism 5 includes a moving slider 501, the moving slider 501 is connected to the side wall of the movable template 4, an inclined guide post 502 is connected to the side wall of the moving slider 501, a return spring 503 is connected to the side wall of the moving slider 501, an undercut 504 is connected to the side wall of the moving slider 501, and a chute is correspondingly opened on the side wall of the template 4 and corresponding to the moving slider 501, wherein the connection mode of the moving slider 501 and the chute is a sliding connection, and an engagement hole is correspondingly opened on the side wall of the moving slider 501 and corresponding to the inclined guide post 502, wherein under the condition that the connection mode of the inclined guide post 502 and the engagement hole is a sliding connection, the moving slider 501 moves to both sides. When the moving slider 501 moves to both sides, it drives the undercut 504 to move to both sides, thereby realizing the demolding of the side holes of the injection molded part;

[0031] In this embodiment, referring to Figure 1 、 Figure 2 and Figure 5; The limit guiding mechanism 6 includes a fixed connection block 601 which is connected to the side wall of the moving template 4. A guiding slide bar 602 is connected to the bottom of the fixed connection block 601. A limit block 603 is connected to the side wall of the guiding slide bar 602 below the fixed connection block 601. The limit block 603 is connected to the side wall of the fixed template 1 by bolts. A fixed bolt 604 is connected to the side wall of the limit block 603. A fixed sliding groove 605 is provided on the side wall of the guiding slide bar 602 corresponding to the fixed bolt 604. And a sliding groove is provided on the limit block 603 corresponding to the guiding slide bar 602. When the connection mode between the guiding slide bar 602 and the sliding groove is a sliding connection and the connection mode between the limit block 603 and the fixed bolt 604 is a threaded connection, the fixed template 1 and the moving template 4 are stably joined;

[0032] In this embodiment, referring to Figure 1 , Figure 2 and Figure 4 , the core-pulling slider structure 10 includes a driving oil cylinder 1001. The driving end of the driving oil cylinder 1001 is connected to a sliding slider 1002. A fixed sliding plate 1003 is connected to the side wall of the sliding slider 1002. The fixed sliding plate 1003 is connected to the side wall of the moving template 4 by bolts. An inclined slider 1004 is connected to the side wall of the sliding slider 1002. The other end of the inclined slider 1004 is connected to a core block 1005. And a sliding groove is provided on the fixed sliding plate 1003 corresponding to the sliding slider 1002. When the connection mode between the sliding slider 1002 and the sliding groove is a sliding connection and an inclined sliding groove is provided on the side wall of the sliding slider 1002 corresponding to the inclined slider 1004, and the connection mode between the inclined slider 1004 and the inclined sliding groove is a sliding connection, the inclined slider 1004 is driven to move outward, thereby realizing the demolding of the side hole of the injection molded part.

[0033] The working process of the present utility model: When using the injection mold for the rear trunk threshold part of an automobile, when the injection molded part is demolded, the ejector plate 3 moves upward, and the injection molded part is lifted. A sliding groove is provided on the side wall of the template 4 corresponding to the moving slider 501. When the connection mode between the moving slider 501 and the sliding groove is a sliding connection and an engagement hole is provided on the side wall of the moving slider 501 corresponding to the inclined guide post 502, and the connection mode between the inclined guide post 502 and the engagement hole is a sliding connection, the moving slider 501 moves to both sides. When the moving slider 501 moves to both sides, the undercut 504 is driven to move to both sides, thereby realizing the demolding of the side hole of the injection molded part;

[0034] Afterwards, the driving oil cylinder 1001 is started by the controller, driving the driving end of the driving oil cylinder 1001 to move downward. A chute is provided on the fixed slide plate 1003 and corresponding to the sliding slider 1002. The connection mode between the sliding slider 1002 and the chute is a sliding connection. An inclined chute is provided on the side wall of the sliding slider 1002 and corresponding to the inclined slider 1004. Under the condition that the connection mode between the inclined slider 1004 and the inclined chute is a sliding connection, the inclined slider 1004 is driven to move outward, thereby realizing the side hole demoulding of the injection molded part.

[0035] When the mold is closed, a chute is provided on the limit block 603 and corresponding to the guide slide bar 602. The connection mode between the guide slide bar 602 and the chute is a sliding connection. Under the condition that the connection mode between the limit block 603 and the fixing bolt 604 is a threaded connection, the fixed template 1 and the moving template 4 are stably joined.

[0036] Although the embodiments of the present invention 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 invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An injection mold for a door sill of a rear trunk of an automobile, comprising a fixed mold plate (1), characterized in that: The bottom of the fixed mold plate (1) is connected to a mold plate support frame (2), a pin plate (3) is arranged below the fixed mold plate (1), a movable mold plate (4) is arranged above the fixed mold plate (1), a linkage core pulling mechanism (5) is arranged on the side wall of the movable mold plate (4), and the opposite side walls of the fixed mold plate (1) and the movable mold plate (4) are connected to a limited position guide mechanism (6), a plurality of rocker bases (7) are arranged on the end surface of the pin plate (3), a rocker slider (8) is connected to the rocker base (7), a rocker pin (9) is connected to the rocker slider (8), and a core pulling slider structure (10) is symmetrically connected to the side wall of the fixed mold plate (1); The linkage core-pulling mechanism (5) comprises a movable slider (501), the movable slider (501) is connected to the side wall of the movable template (4), the side wall of the movable slider (501) is connected to an inclined guide column (502), the side wall of the movable slider (501) is connected to a return spring (503), and the side wall of the movable slider (501) is connected to an undercut (504); The limit guide mechanism (6) comprises a fixed connection block (601), the fixed connection block (601) is connected to the side wall of the movable template (4), the bottom of the fixed connection block (601) is connected to a guide slide bar (602), a limit block (603) is connected below the fixed connection block (601) and located on the side wall of the guide slide bar (602), the limit block (603) is connected to the side wall of the fixed template (1) by bolts, the side wall of the limit block (603) is connected to a fixing bolt (604), and a fixing groove (605) is provided on the side wall of the guide slide bar (602) and corresponds to the fixing bolt (604); The core-pulling slider structure (10) comprises a driving cylinder (1001), the driving end of the driving cylinder (1001) is connected to a sliding slider (1002), the side wall of the sliding slider (1002) is connected to a fixed slider (1003), the fixed slider (1003) is connected to the side wall of the moving template (4) by bolts, the side wall of the sliding slider (1002) is connected to an oblique slider (1004), and the other end of the oblique slider (1004) is connected to a core block (1005).

2. The automobile trunk door sill injection mold according to claim 1, characterized in that: A sliding groove is provided on the rocker base (7) and corresponds to the rocker slider (8), wherein the rocker slider (8) is connected to the sliding groove in a sliding manner.

3. The automobile trunk door sill injection mold according to claim 1, characterized in that: A sliding groove is provided on the side wall of the movable template (4) and corresponds to the movable slider (501), wherein the movable slider (501) is connected to the sliding groove in a sliding manner.

4. The automobile trunk door sill injection mold according to claim 1, characterized in that: Connecting holes are provided on the side wall of the movable slider (501) and correspond to the oblique guide pillars (502), wherein the oblique guide pillars (502) and the connecting holes are connected in a sliding manner.

5. The automobile trunk door sill injection mold according to claim 1, characterized in that: A sliding groove is provided on the limit block (603) and corresponds to the guide slide bar (602), wherein the guide slide bar (602) is connected to the sliding groove by sliding connection, and the limit block (603) is connected to the fixing bolt (604) by threaded connection.

6. The automobile trunk door sill injection mold according to claim 1, characterized in that: A sliding groove is provided on the fixed slide plate (1003) and corresponds to the sliding slide block (1002), wherein the sliding slide block (1002) is connected to the sliding groove in a sliding manner.

7. The automobile trunk door sill injection mold according to claim 1, characterized in that: An oblique sliding groove is provided on the side wall of the sliding slider (1002) and corresponds to the oblique sliding slider (1004), wherein the oblique sliding slider (1004) is connected to the oblique sliding groove by sliding connection.

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