Ejection mechanism of plastic surface cover forming mold

Abstract

The utility model discloses an ejection mechanism of a plastic surface cover forming mold, which comprises an upper mold plate and a lower mold plate, the lower mold plate is arranged on the lower side of the upper mold plate, the bottom of the lower mold plate is connected with a bottom plate, guide columns are connected between the bottom plate and the lower mold plate through bolts, the guide columns are uniformly distributed along the center of the bottom plate, and the guide columns are connected with the bottom plate through bolts. A push plate fixing plate is installed between the bottom plate and the lower mold plate, a push plate is connected to the upper side of the push plate fixing plate through a bolt, a guide hole is formed between the push plate fixing plate and the push plate, a plurality of plastic surface covers can be formed at a time through the injection molding cavity, and the push plate fixing plate and the push plate can stably move up and down through the arrangement of a guide column; the main push rod is driven to move through the push plate, the linkage plate is arranged at the upper end of the main push rod and used for driving the multiple branch push rods to move, the stability of the branch push rods in the moving process is improved, the branch push rods move to eject out the plastic surface covers, and the multiple plastic surface covers can be ejected out at a time.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, concretely is a kind of ejection mechanism of plastic face cover forming die. BACKGROUND

[0002] Injection mold is a tool for producing plastic products, and is also a tool for giving plastic products complete structure and accurate size. Injection mold is also a processing method used when mass-producing parts, mainly applied in the industrial field. The injection mold process is to inject molten material under high pressure into the mold cavity, and after cooling and solidification, the shaped product is obtained. According to the forming characteristics, it is divided into two types: thermosetting plastic mold and thermoplastic plastic mold.

[0003] When the plastic face cover is formed by the mold, an ejection mechanism is needed to eject the formed plastic face cover. The existing ejection mechanism is mostly connected with the ejector pin through an electric cylinder, and when multiple ejector pins are used, the stability and synchronism are poor, which may cause deviation when the mold is ejected, affecting the quality and service life of the plastic mold. Therefore, the utility model provides an ejection mechanism of plastic face cover forming die. UTILITY MODEL CONTENT

[0004] The utility model aims to provide an ejection mechanism of plastic face cover forming die, which has the advantages of stable and synchronous movement of multiple ejector pins and one-time ejection of multiple plastic face covers, solving the problem of poor stability and synchronism of the existing ejection mechanism when multiple ejector pins are used, which may cause deviation when the mold is ejected, affecting the quality and service life of the plastic mold.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an ejection mechanism of plastic face cover forming die, comprising an upper die plate and a lower die plate, the lower die plate is installed on the lower side of the upper die plate, the bottom of the lower die plate is connected with a bottom plate, a guide column is connected between the bottom plate and the lower die plate through bolts, the guide columns are evenly distributed along the center of the bottom plate, a push plate fixing plate is installed between the bottom plate and the lower die plate, the upper side of the push plate fixing plate is connected with a push plate through bolts, a guide hole is formed between the push plate fixing plate and the push plate, the guide column passes through the guide hole and is connected with the guide hole through sliding connection, main push rods are connected on the left and right sides of the middle part of the push plate through bolts, a limiting groove is formed in the lower die plate, a linkage plate is connected in the limiting groove through sliding connection, the upper end of the main push rod is connected with the linkage plate, a front mold core and a rear mold core are installed in the upper die plate and the lower die plate respectively, an injection cavity for forming plastic face cover is formed after the front mold core and the rear mold core are closed, multiple plastic face covers are formed in the injection cavity at the same time, a sub-push rod is arranged on the upper side of the linkage plate, and the upper end of the sub-push rod is located in the injection cavity where a single plastic face cover is formed.

[0006] Preferably, guide columns are arranged between the lower die plate and the bottom plate, and the guide columns pass through the push plate fixing plate and the push plate.

[0007] Preferably, counterbores are arranged at the bottom of the push plate fixing plate, and fastening bolts are arranged in the counterbores, and the fastening bolts are screwed with the push plate.

[0008] Preferably, a power input hole is arranged in the middle of the bottom plate.

[0009] Preferably, a panel is arranged on the upper side of the upper die plate, a positioning ring is arranged in the panel, a sprue bushing is arranged in the positioning ring, and the sprue bushing penetrates through the positioning ring and the panel.

[0010] Preferably, the number of guide columns is four, the number of guide columns is four, and the four guide columns are arranged in a rectangular distribution.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] In the utility model, a plurality of plastic face covers can be formed at one time through the injection molding cavity, the push plate fixing plate and the push plate can be stably moved up and down through the arrangement of the guide columns, the main push rod is moved through the push plate, the linkage plate is arranged at the upper end of the main push rod, and the plurality of sub-push rods are moved, the stability of the sub-push rod in the moving process is improved, the plastic face cover is ejected through the movement of the sub-push rod, and a plurality of plastic face covers can be ejected at one time. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0014] Figure 2 It is a top view structure schematic view of the utility model;

[0015] Figure 3 It is a sectional structure schematic view of the utility model in A-A direction; Figure 2

[0016] Figure 4 It is a limiting groove structure schematic view of the utility model.

[0017] The reference signs and names in the drawings are as follows: 1, upper die plate; 2, lower die plate; 3, bottom plate; 4, push plate fixing plate; 5, push plate; 6, guide column; 7, guide column; 8, guide hole; 9, power input hole; 10, main push rod; 11, front mold core; 12, rear mold core; 13, injection molding cavity; 14, limiting groove; 15, sub-push rod; 16, linkage plate; 17, fastening bolt; 18, plastic face cover; 19, panel. DETAILED DESCRIPTION

[0018] ​The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present application.

[0019] In the description of the embodiments of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only intended to facilitate the description of the embodiments of the present application and simplify the description, and do not indicate or imply that the device or element 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 present application. In addition, the terms "first", "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified and limited.

[0020] In the embodiments of the present application, unless otherwise explicitly specified 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 of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0021] Please refer to Figures 1 to 4The utility model provides an embodiment: a kind of plastic face cover forming die ejection mechanism, including upper die plate 1 and lower die plate 2, lower die plate 2 is installed in upper die plate 1 downside, lower die plate 2 bottom is connected with bottom plate 3, and guiding column 7 is connected between bottom plate 3 and lower die plate 2 by bolt, guiding column 7 is evenly distributed along the center of bottom plate 3, and push plate fixed plate 4 is installed between bottom plate 3 and lower die plate 2, and the upper side of push plate fixed plate 4 is connected with push plate 5 by bolt, and guiding hole 8 is opened between push plate fixed plate 4 and push plate 5, guiding column 7 passes through guiding hole 8 and is slidably connected with guiding hole 8, so that push plate fixed plate 4 and push plate 5 can stably move up and down, and the left and right sides of the middle part of push plate 5 are connected with main push rod 10 by bolt, and limit groove 14 is opened in lower die plate 2, and linkage plate 16 is slidably connected in limit groove 14, and linkage plate 16 can slide up and down, and the upper end of main push rod 10 is connected with linkage plate 16, and front mould core 11 and rear mould core 12 are respectively installed in upper die plate 1 and lower die plate 2, and injection cavity 13 of plastic face cover 18 forming is formed after closing between front mould core 11 and rear mould core 12, and injection cavity 13 simultaneously forms multiple plastic face covers 18, and multiple plastic face covers 18 have connecting rod connected between them, after plastic face cover 18 is ejected, the connecting part needs to be cut off, and split push rod 15 is arranged on the upper side of linkage plate 16, and the upper end of split push rod 15 is located in the single plastic face cover 18 forming place in injection cavity 13, and can stably eject plastic face cover 18.

[0022] Guide column 6 is installed between lower die plate 2 and bottom plate 3, and guiding column 6 passes through push plate fixed plate 4 and push plate 5.

[0023] Sunken hole is opened in the bottom of push plate fixed plate 4, and fastening bolt 17 is installed in sunken hole, and fastening bolt 17 is screwed with push plate 5.

[0024] Power input hole 9 is opened in the middle of bottom plate 3, for connecting electric cylinder and other push mechanism to drive push plate fixed plate 4 to move.

[0025] Panel 19 is installed on the upper side of upper die plate 1, and positioning ring is arranged in panel 19, and sprue bush is arranged in the inside of positioning ring, and sprue bush penetrates through positioning ring and panel 19.

[0026] The number of guiding column 7 is four, the number of guide column 6 is four, and four guide columns 6 are distributed in rectangle.

[0027] Working principle: in the utility model, multiple plastic face covers 18 can be formed at a time by injection cavity 13, guiding column 7 is arranged, so that push plate fixed plate 4 and push plate 5 can stably move up and down, push plate 5 drives main push rod 10 to move, linkage plate 16 is arranged on the upper end of main push rod 10, for driving multiple split push rods 15 to move, improve the stability of split push rod 15 in the process of moving, split push rod 15 moves and ejects plastic face cover 18, and multiple plastic face covers 18 can be ejected at a time.

[0028] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the application can be implemented in other particular forms without departing from the spirit or essential characteristics of the application. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No limitation is intended to the scope of the claims with respect to any embodiment shown in the drawings or described in the above description.

Claims

1. A plastic cover forming mold ejection mechanism, comprising an upper mold plate (1) and a lower mold plate (2), the lower mold plate (2) is installed on the lower side of the upper mold plate (1), the bottom of the lower mold plate (2) is connected with a bottom plate (3), characterized in that: The bottom plate (3) and the lower die plate (2) are connected by the guide column (7) through the bolt, the guide column (7) is evenly distributed along the center of the bottom plate (3), the push plate fixing plate (4) is installed between the bottom plate (3) and the lower die plate (2), the push plate (5) is connected on the upper side of the push plate fixing plate (4) through the bolt, the guide hole (8) is arranged between the push plate fixing plate (4) and the push plate (5), the guide column (7) passes through the guide hole (8) and is connected with the guide hole (8) in sliding mode, the main push rod (10) is connected on the left and right sides of the middle part of the push plate (5) through the bolt, the limit groove (14) is arranged in the lower die plate (2), the linkage plate (16) is connected in the limit groove (14), the main push rod (10) is connected with the linkage plate (16), the front mold core (11) and the rear mold core (12) are respectively installed in the upper die plate (1) and the lower die plate (2), the injection molding cavity (13) is formed after the mold closing between the front mold core (11) and the rear mold core (12), the injection molding cavity (13) simultaneously forms a plurality of plastic face covers (18), the sub-push rod (15) is arranged on the upper side of the linkage plate (16), and the upper end of the sub-push rod (15) is located in the injection molding cavity (13) at the forming position of the single plastic face cover (18).

2. The ejection mechanism of a plastic cover forming die according to claim 1, wherein: The guide column (6) is installed between the lower die plate (2) and the bottom plate (3), the guide column (6) passes through the push plate fixing plate (4) and the push plate (5).

3. The ejection mechanism of a plastic cover forming mold according to claim 1, wherein: The counter sunk hole is arranged in the bottom of the push plate fixing plate (4), the fastening bolt (17) is installed in the counter sunk hole, and the fastening bolt (17) is screwed with the push plate (5).

4. The ejection mechanism of a plastic cover forming die according to claim 1, wherein: The power input hole (9) is arranged in the middle of the bottom plate (3).

5. The ejection mechanism of a plastic cover forming mold according to claim 1, wherein: The face plate (19) is installed on the upper side of the upper die plate (1), the positioning ring is arranged in the face plate (19), the sprue bush is arranged in the inside of the positioning ring, and the sprue bush penetrates through the positioning ring and the face plate (19).

6. The ejection mechanism of a plastic cover forming die according to claim 2, wherein: The number of the guide column (7) is four, the number of the guide column (6) is four, and the four guide columns (6) are distributed in a rectangular mode.

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