Edge cutting mechanism of injection mold

Abstract

The trimming mechanism comprises a base, a workbench is fixedly connected to the upper surface of the base, a first mold and a second mold are arranged on the upper surface of the workbench at intervals, a first fixing plate is fixedly connected to the upper surface of the workbench, a first electric rod is installed on the side wall of the first fixing plate, and a second electric rod is installed on the side wall of the second fixing plate. The output end of the first electric rod is fixedly connected with a movable frame, the front end of the movable frame penetrates through the middle of the first mold to extend to the outside and is fixedly connected with a cutting knife, the lower surface of the second mold is slidably connected with the upper surface of the workbench, a groove is formed in the side wall of the second mold, and a push plate is arranged in the groove. The inner wall of the second mold is slidably connected with a supporting frame, and the side wall of the supporting frame is fixedly connected with the side wall of the push plate. By means of the structure, edge cutting can be conveniently conducted on the die, the working efficiency can be improved, and safety can be guaranteed conveniently when redundant materials are taken.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, concretely is a kind of edge cutting mechanism of injection mold. BACKGROUND

[0002] Injection mold is the mold that makes molten plastic into specific size, shape in injection molding process, the advantage of injection molding method is fast production speed, high efficiency, operation can realize automation, color variety, shape can be from simple to complex, size can be from big to small, and product size is accurate, product is easy to update, can be shaped complex workpiece, injection molding is suitable for a large number of production and complex product etc. Forming processing field.

[0003] The processing of automobile water tank is usually injection molding using injection mold, and some burrs will be left at the edge of automobile water tank by injection molding, which needs to be trimmed using edge cutting tool. The traditional automobile water tank injection mold usually installs a trimming device beside to facilitate the operator to trim the product produced, but the operator needs to operate manually during operation, which is troublesome and low in work efficiency. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing an edge cutting mechanism of injection mold, solving the problem of manual operation of workers and low work efficiency when installing trimming device beside injection mold in prior art.

[0005] To achieve the above-mentioned purpose, an edge cutting mechanism of injection mold is provided, which comprises a base, a workbench fixedly connected to the upper surface of the base, first and second molds arranged at intervals on the upper surface of the workbench, a first fixed plate fixedly connected to the upper surface of the workbench, a first electric rod installed on the side wall of the first fixed plate, an activity frame fixedly connected to the output end of the first electric rod, and a cutting knife fixedly connected to the front end of the activity frame extending through the middle part of the first mold to the outside.

[0006] The lower surface of the second mold is slidably connected to the upper surface of the workbench, the side wall of the second mold is provided with a groove, a push plate is arranged in the groove, and a support frame is slidably connected to the inner wall of the second mold and fixedly connected to the side wall of the push plate.

[0007] According to the edge cutting mechanism of injection mold, the inner wall of the workbench is fixedly connected with a slide rod, the outer part of the slide rod is slidably connected with a sliding block, and the upper surface of the sliding block is fixedly connected with the lower surface of the second mold.

[0008] According to the trimming mechanism of the injection mold, the upper surface of the workbench is fixedly connected with a second fixed plate, a second electric rod is arranged on the side wall of the second fixed plate, a fixed frame is fixedly connected to the output end of the second electric rod, and the front end of the fixed frame is fixedly connected with the side wall of the second mold.

[0009] According to the trimming mechanism of the injection mold, the second mold side wall is provided with a mold column, the first mold side wall is provided with a mold groove, the second mold inner wall is rotatably connected with a threaded rod, and the threaded rod is externally threadedly connected with two threaded blocks.

[0010] According to the trimming mechanism of the injection mold, the second mold inner wall is fixedly connected with two limiting rods, two limiting blocks are slidably connected to the outer portions of the two limiting rods, a fixed rod is fixedly connected to the side wall of the limiting block, and the other end of the fixed rod is fixedly connected with the side wall of the threaded block.

[0011] According to the trimming mechanism of the injection mold, the side wall of the limiting block and the side wall of the support frame are both provided with rotating members, the side wall of the rotating member is crossly rotatably connected with a push rod, the upper end of the second mold is provided with a servo motor, and the output end is fixedly connected with one end of the threaded block.

[0012] According to the trimming mechanism of the injection mold, the cutting knife is slidably connected to the outside of the mold column, and the front end of the cutting knife is matched with the inside of the groove.

[0013] Compared with the prior art, the trimming mechanism of the injection mold has the following beneficial effects:

[0014] 1、The first electric rod, the movable frame and the cutting knife are matched to automatically trim the automobile water tank mold, which is convenient to operate, can reduce labor and improve work efficiency.

[0015] 2、The push rod and the rotating member are matched to drive the support frame to move the push plate, the push plate can clean the trimmed material from the mold column and drop it onto the workbench, and the worker can easily take it.

[0016] The additional aspects and advantages of the present application will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present application. DETAILED DESCRIPTION

[0017] The present application will be further described below in combination with the drawings and embodiments.

[0018] Figure 1 It is a perspective view of the trimming mechanism of the injection mold.

[0019] Figure 2It is the sectional view of the trimming mechanism of the injection mold of the utility model;

[0020] Figure 3 It is the second mold sectional view of the trimming mechanism of the injection mold of the utility model;

[0021] Figure 4 It is the utility model Figure 2 The enlarged view of A in the middle.

[0022] In the figure: 1, base; 2, workbench; 3, first fixed plate; 4, first electric rod; 5, movable frame; 6, first mold; 7, cutting knife; 8, mold column; 9, second mold; 10, fixed frame; 11, servo motor; 12, second fixed plate; 13, second electric rod; 14, sliding rod; 15, sliding block; 16, support frame; 17, push rod; 18, limit block; 19, limit rod; 20, threaded rod; 21, threaded block; 22, fixed rod; 23, groove; 24, push plate; 25, rotating part. Specific implementation

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Please refer to Figures 1-4 The utility model embodiment provides a kind of technical scheme: the trimming mechanism of injection mold, it include: base 1, base 1 upper surface is fixedly connected with workbench 2, workbench 2 upper surface is spaced apart and is provided with first mold 6 and second mold 9, workbench 2 upper surface is fixedly connected with first fixed plate 3, first fixed plate 3 side wall is equipped with first electric rod 4, it is convenient to drive cutting knife 7 to move, first electric rod 4 output end is fixedly connected with movable frame 5, movable frame 5 front end extends to outside through first mold 6 middle part, and is fixedly connected with cutting knife 7, for the trimming of automobile water tank mold;

[0025] Second mold 9 lower surface is slidably connected with the upper surface of workbench 2, recess 23 is formed in the side wall of second mold 9, push plate 24 is arranged in recess 23, and the edge material can be pushed down from mold column 8 during the movement of push plate 24, to avoid staff to take, to avoid staff to take when mold column 8 is moved, the inner wall of second mold 9 is slidably connected with support frame 16, and the side wall of support frame 16 is fixedly connected with the side wall of push plate 24.

[0026] The inner wall of the workbench 2 is fixedly connected with a sliding rod 14, the outer part of the sliding rod 14 is slidably connected with a sliding block 15, the upper surface of the sliding block 15 is fixedly connected with the lower surface of the second mold 9, the upper surface of the workbench 2 is fixedly connected with a second fixed plate 12, the side wall of the second fixed plate 12 is provided with a second electric rod 13, the position of the second mold 9 can be adjusted, the output end of the second electric rod 13 is fixedly connected with a fixed frame 10, the front end of the fixed frame 10 is fixedly connected with the side wall of the second mold 9, the side wall of the second mold 9 is provided with a mold column 8, the side wall of the first mold 6 is provided with a mold groove, the mold column 8 cooperates with the mold groove, so that the automobile water tank can be injection molded, the inner wall of the second mold 9 is rotatably connected with a threaded rod 20, the external threads of the threaded rod 20 are symmetrically arranged, the external threads of the threaded rod 20 are connected with two threaded blocks 21, the inner wall of the second mold 9 is fixedly connected with two limiting rods 19, the outer part of each of the two limiting rods 19 is slidably connected with a limiting block 18, the side wall of the limiting block 18 is fixedly connected with a fixed rod 22, the other end of the fixed rod 22 is fixedly connected with the side wall of the threaded block 21, the side wall of the limiting block 18 and the side wall of the support frame 16 are both installed with a rotating piece 25, the rotating piece 25 on the side wall of the support frame 16 slides in the inside of the support frame 16, the side wall of the rotating piece 25 is cross-rotatably connected with a push rod 17, the upper end of the second mold 9 is provided with a servo motor 11, and the output end is fixedly connected with one end of the threaded block 21, the middle part of the cutting knife 7 is slidably connected outside the mold column 8, and the front end of the cutting knife 7 cooperates with the inside of the groove 23.

[0027] Working principle: in use, the movable frame 5 is driven by the first electric rod 4 to move, the cutting knife 7 is moved to the inside of the first mold 6, then the fixed frame 10 is driven by the second electric rod 13 to move, under the cooperation of the sliding rod 14 and the sliding block 15, the second mold 9 can be pushed to move, so that the mold column 8 cooperates with the mold groove, and the automobile water tank can be injection molded, after the injection is completed, the second mold 9 is separated from the first mold 6 by the second electric rod 13;

[0028] The movable frame 5 is driven by the first electric rod 4 to move, the cutting knife 7 is moved to the inside of the first mold 6, then the fixed frame 10 is driven by the second electric rod 13 to move, under the cooperation of the sliding rod 14 and the sliding block 15, the second mold 9 can be pushed to move, so that the mold column 8 cooperates with the mold groove, and the automobile water tank can be injection molded, after the injection is completed, the second mold 9 is separated from the first mold 6 by the second electric rod 13;

[0029] The above-mentioned embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, within the knowledge range possessed by ordinary skilled in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. A trim mechanism for an injection mold, comprising: The base (1) is characterized in that the upper surface of the base (1) is fixedly connected with a workbench (2), the upper surface of the workbench (2) is provided with a first mold (6) and a second mold (9) in a spaced manner, the upper surface of the workbench (2) is fixedly connected with a first fixed plate (3), the side wall of the first fixed plate (3) is provided with a first electric rod (4), the output end of the first electric rod (4) is fixedly connected with a movable frame (5), the front end of the movable frame (5) extends to the outside through the middle part of the first mold (6) and is fixedly connected with a cutting knife (7); The lower surface of the second mold (9) is slidably connected with the upper surface of the workbench (2), the side wall of the second mold (9) is provided with a groove (23), the inside of the groove (23) is provided with a push plate (24), the inner wall of the second mold (9) is slidably connected with a support frame (16), and the side wall of the support frame (16) is fixedly connected with the side wall of the push plate (24).

2. A trim mechanism for an injection mold as defined in claim 1, wherein: The inner wall of the workbench (2) is fixedly connected with a sliding rod (14), the outside of the sliding rod (14) is slidably connected with a sliding block (15), and the upper surface of the sliding block (15) is fixedly connected with the lower surface of the second mold (9).

3. An offcut mechanism for an injection mould as claimed in claim 1, characterised in that: The upper surface of the workbench (2) is fixedly connected with a second fixed plate (12), the side wall of the second fixed plate (12) is provided with a second electric rod (13), the output end of the second electric rod (13) is fixedly connected with a fixed frame (10), and the front end of the fixed frame (10) is fixedly connected with the side wall of the second mold (9).

4. An offcut mechanism for an injection mould as claimed in claim 1, characterised in that: The side wall of the second mold (9) is provided with a mold column (8), the side wall of the first mold (6) is provided with a mold groove, the inner wall of the second mold (9) is rotatably connected with a threaded rod (20), and the outside of the threaded rod (20) is threadedly connected with two threaded blocks (21).

5. An offcut mechanism for an injection mould as claimed in claim 1, characterised in that: The inner wall of the second mold (9) is fixedly connected with two limiting rods (19), the outside of each of the two limiting rods (19) is slidably connected with two limiting blocks (18), the side wall of the limiting block (18) is fixedly connected with a fixed rod (22), and the other end of the fixed rod (22) is fixedly connected with the side wall of the threaded block (21).

6. A trim mechanism for an injection mold as defined in claim 5, wherein: The side wall of the limiting block (18) and the side wall of the support frame (16) are both provided with a rotating piece (25), the side wall of the rotating piece (25) is cross-rotatably connected with a push rod (17), the upper end of the second mold (9) is provided with a servo motor (11), and the output end is fixedly connected with one end of the threaded block (21).

7. An offcut mechanism for an injection mould as claimed in claim 1, characterised in that: The middle part of the cutting knife (7) is slidably connected outside the mold column (8), and the front end of the cutting knife (7) is matched with the inside of the groove (23).

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