Anti-sticking fixed mold mechanism of mold

Abstract

The utility model discloses an anti-sticking fixed mold mechanism of a mold, which relates to the technical field of molds and comprises a panel, a first fixed mold plate and a fixed mold core, the panel and the first fixed mold plate are fixed together, a limiting hole is arranged in the first fixed mold plate, a limiting column is arranged in the limiting hole, a fixed mold plate groove is arranged in the first fixed mold plate, and the fixed mold core is arranged in the fixed mold plate groove. A fixed mold plate groove is formed in the fixed mold core, a fixed mold cushion block is arranged in the fixed mold plate groove, a limiting groove is formed in the first fixed mold plate, a spring is arranged in the limiting groove, a through hole is formed in the fixed mold core, a first fixed mold insert and a first fixed mold insert pin are arranged in the through hole, and a first fixed mold insert pin and a first fixed mold insert are arranged in the movable mold core when the fixed mold core and the movable mold core are closed. The device is provided with an anti-sticking fixed mold structure, and when the mold begins to perform injection molding on a plastic product, the fixed mold core and the movable mold core are in a mold closing state. At the moment, after the top surface of the fixed mold insert pin and the top surface of the fixed mold insert are pressed with the movable mold core, the bottom surface of the fixed mold insert pin hanging table and the bottom surface of the fixed mold insert hanging table are limited by the limiting columns; and after injection molding is completed, the fixed mold core and the movable mold core are opened.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a mold anti-sticking fixed mold mechanism. Background Art

[0002] An injection mold is a tool for producing plastic products, including a group of molds that can be opened and closed. A product cavity consistent with the product structure is formed between the group of molds. During injection molding, the heated and melted plastic is injected into the product cavity by the injection molding machine under high pressure, and a molded plastic product is obtained after cooling and solidification. After the injection molding is completed, when the existing injection mold is opened, the workpiece and the mold cavity often stick together. The mold anti-sticking structure on the market is complex, difficult to operate, and has poor reliability. In addition, the existing devices still have some defects; for example;

[0003] For example, an anti-sticking injection mold with publication number CN208410556U, when the technology is used, a cover plate is installed above the fixed template, the fixed template and the movable template cooperate to form a mold cavity, an injection port is provided in the middle of the cover plate, the bottom of the injection port is connected to the mold cavity through an injection pipe, the movable template is connected to the base plate through a pedestal, an ejection mechanism is provided above the base plate, the ejection mechanism is used to eject the workpiece after the mold is opened, an anti-sticking structure is provided in the movable template, the baffle of the anti-sticking mechanism is slidably connected in the baffle connecting hole, the lower surface of the baffle contacts the upper surface of the rotating plate, one end of the rotating plate is hinged to the movable template through a hinge, a spring mounting hole is provided on the movable template below the rotating plate, a spring is provided in the spring mounting hole, one end of the spring is connected to the movable template, and the other end is connected to the lower surface of the spring connecting plate, the upper surface of the spring connecting plate is fixed on the lower surface of the rotating plate, and one end of the rotating plate contacts the upper surface of the workpiece.

[0004] The above device has some problems. It is troublesome to use. Only a rotating plate is provided, and the anti-sticking effect is poor. The spring installation is provided without a limit, which makes the structure unstable. The anti-sticking efficiency of the rotating plate is poor. The anti-sticking efficiency of the rotating plate is low. The rotating plate is in direct contact with the workpiece, which easily causes damage to the workpiece.

[0005] Therefore, we propose a mold anti-sticking and fixed mold mechanism to solve the above-mentioned problems. Utility Model Content

[0006] The utility model aims to provide a mold anti-sticking and mold fixing mechanism to solve the problems of poor anti-sticking effect and poor continuous mold fixing effect of mold anti-sticking and mold fixing mechanisms in the current market proposed by the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mold anti-sticking fixed mold mechanism, comprising a panel, a first fixed mold plate and a fixed mold core;

[0008] The panel and the first fixed template are fixed together, and a limiting hole is provided in the first fixed template, and a limiting column is provided in the limiting hole, a fixed template groove is provided in the first fixed template, and a fixed mold pad is provided in the fixed template groove, a limiting groove is provided in the first fixed template, and a spring is provided in the limiting groove, a through hole is provided inside the fixed mold core, and a first fixed mold insert and a first fixed mold insert pin are provided in the through hole, and when the fixed mold core and the movable mold core are molded together, the first fixed mold insert pin and the first fixed mold insert are provided in the movable mold core.

[0009] As a preferred technical solution of the utility model, the fixed mold core and the fixed mold plate are fixed by bolts, and the bolts are symmetrically arranged about the center of the fixed mold core, and the bolts are made of metal.

[0010] As a preferred technical solution of the utility model, the first fixed mold insert pin and the first fixed mold insert are limited by limiting columns, and the limiting columns are symmetrically arranged about the center of the panel, and the limiting columns are arranged above the first fixed mold insert pin and the first fixed mold insert.

[0011] As a preferred technical solution of the utility model, a fixed mold pin hanging platform bottom surface is arranged above the first fixed mold pin, a fixed mold pin top surface is arranged at the lower end of the first fixed mold pin, and a fixed mold pin hanging platform end surface is arranged on the first fixed mold pin.

[0012] As a preferred technical solution of the utility model, a fixed mold insert hanging platform bottom surface is arranged above the first fixed mold insert, a fixed mold insert top surface is arranged below the first fixed mold insert, and a fixed mold insert hanging platform end surface is arranged on the first fixed mold insert.

[0013] As a preferred technical solution of the utility model, a plastic product is arranged between the fixed mold core and the movable mold core, and the bottom surface of the fixed mold inlay needle hanging platform and the bottom surface of the fixed mold inlay hanging platform are in contact with the limiting column.

[0014] As a preferred technical solution of the present utility model, springs are arranged on the surface of the limit column, and the springs are evenly distributed on the surface of the limit column, and the springs are made of metal.

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

[0016] 1. The device is provided with an anti-sticking fixed mold structure. When the mold starts to inject and mold the plastic product, the fixed mold core and the movable mold core are in a mold-closing state. At this time, the top surface of the fixed mold insert and the top surface of the fixed mold insert are pressed with the movable mold core, and the bottom surface of the fixed mold insert hanging platform and the bottom surface of the fixed mold insert hanging platform are limited by the limiting column 4. After the injection is completed, the fixed mold core and the movable mold core are opened;

[0017] 2. The device is provided with a continuous fixed mold structure. At this time, the first fixed mold insert pin and the first fixed mold insert, under the action of the spring, support the plastic product to move toward the movable mold core and leave the fixed mold core for a certain distance. The end faces of the fixed mold insert hanging table and the end faces of the fixed mold insert hanging table are limited by the fixed mold core, and the movable mold core and the plastic product continue to move to a fully open mold state. The injection molding machine ejects the plastic product. At this time, the entire anti-sticking mold action is completed and continues to the next cycle action. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main cross-sectional structure of the fixed mold mechanism of the utility model;

[0019] Figure 2 It is a schematic diagram of the structure of the fixed mold mechanism of the utility model when it is partially separated during use;

[0020] Figure 3 It is a schematic diagram of the structure of the fixed mold mechanism of the utility model when it is completely separated during use;

[0021] Figure 4 For the utility model Figure 3 The enlarged structural diagram at A in the middle;

[0022] Figure 5 The utility model is a three-dimensional structural schematic diagram of the fixed mold mechanism.

[0023] In the figure: 1. panel; 2. first fixed mold plate; 3. spring; 4. limiting column; 5. fixed mold pad; 6. first fixed mold pin; 7. first fixed mold insert; 8. fixed mold core; 9. movable mold core; 10. plastic product; 11. bottom surface of fixed mold pin hanging platform; 12. end surface of fixed mold pin hanging platform; 13. top surface of fixed mold pin; 14. bottom surface of fixed mold insert hanging platform; 15. end surface of fixed mold insert hanging platform; 16. top surface of fixed mold insert; 17. fixed mold plate groove; 18. limiting groove; 19. through hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] See also Figure 1-5The utility model provides a technical solution: a mold anti-sticking fixed mold mechanism, including a panel 1, a first fixed mold plate 2 and a fixed mold core 8, the panel 1 and the first fixed mold plate 2 are fixed together, and a limited hole is provided in the first fixed mold plate 2, and a limited column 4 is provided in the limited hole, a spring 3 is provided on the surface of the limited column 4, and the spring 3 is evenly distributed on the surface of the limited column 4, and the spring 3 is made of metal, a fixed mold groove 17 is provided in the first fixed mold plate 2, and a fixed mold pad 5 is provided in the fixed mold groove 17, a limited groove 18 is provided in the first fixed mold plate 2, and a spring 3 is provided in the limited groove 18, a through hole 19 is provided inside the fixed mold core 8, the fixed mold core 8 and the first fixed mold plate 2 are fixed by bolts, and a plastic product 10 is provided between the fixed mold core 8 and the movable mold core 9;

[0026] First, when the mold starts to injection mold the plastic product 10, the fixed mold core 8 and the movable mold core 9 are in a mold-closed state;

[0027] The bottom surface 11 of the fixed mold needle hanging platform and the bottom surface 14 of the fixed mold insert hanging platform are in contact with the limiting column 4, and the bolts are symmetrically arranged about the center of the fixed mold core 8, and the bolt material is metal, and the fixed mold insert 7 and the first fixed mold needle 6 are arranged in the through hole 19, and the first fixed mold needle 6 and the fixed mold insert 7 are limited by the limiting column 4, and the limiting column 4 is symmetrically arranged about the center of the panel 1, and the limiting column 4 is arranged above the first fixed mold needle 6 and the first fixed mold insert 7, and the fixed mold insert 7 is arranged above the first fixed mold needle 6. The bottom surface 11 of the needle hanging platform is provided, and the lower end of the first fixed mold inserting needle 6 is provided with a fixed mold inserting needle top surface 13, and the first fixed mold inserting needle hanging platform end surface 12 is provided on the first fixed mold inserting needle 6, when the fixed mold core 8 and the movable mold core 9 are molded, the first fixed mold inserting needle 6 and the first fixed mold insert 7 are provided in the movable mold core 9, the fixed mold insert hanging platform bottom surface 14 is provided above the first fixed mold insert 7, and the fixed mold insert top surface 16 is provided below the first fixed mold insert 7, and the fixed mold insert hanging platform end surface 15 is provided on the first fixed mold insert 7;

[0028] At this time, after the top surface 13 of the fixed mold pin and the top surface 16 of the fixed mold insert are pressed with the movable mold core 9, the bottom surface 11 of the fixed mold pin hanging platform and the bottom surface 14 of the fixed mold insert hanging platform are limited by the limiting column 4. After the injection molding is completed, the fixed mold core 8 and the movable mold core 9 are opened. At this time, the first fixed mold pin 6 and the first fixed mold insert 7, under the action of the spring 3, support the plastic product 10 to move toward the movable mold core 9 and leave the fixed mold core 8 for a certain distance. Then, the end surface 12 of the fixed mold pin hanging platform and the end surface 15 of the fixed mold insert hanging platform are limited by the fixed mold core 8, and the movable mold core 9 and the plastic product 10 continue to move to the fully open mold state, and the injection molding machine ejects the plastic product 10. At this time, the entire anti-sticking mold action is completed, and the next cycle action continues.

[0029] Working principle: When using the mold anti-sticking fixed mold mechanism, first when the mold starts to injection mold the plastic product 10, the fixed mold core 8 and the movable mold core 9 are in a mold closing state. At this time, the top surface 13 of the fixed mold insert and the top surface 16 of the fixed mold insert are pressed with the movable mold core 9, and the bottom surface 11 of the fixed mold insert hanging platform and the bottom surface 14 of the fixed mold insert hanging platform are limited by the limiting column 4. After the injection is completed, the fixed mold core 8 and the movable mold core 9 are opened. At this time, the first fixed mold insert 6 and the first fixed mold insert 7 support the plastic product 10 under the action of the spring 3 and move toward the movable mold core 9 to separate from the fixed mold core 8 for a certain distance. The end surface 12 of the fixed mold insert hanging platform and the end surface 15 of the fixed mold insert hanging platform are limited by the fixed mold core 8, and the movable mold core 9 and the plastic product 10 continue to move to the fully opened state, and the injection molding machine ejects the plastic product 10. At this time, the entire anti-sticking mold action is completed and the next cycle action continues.

[0030] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A mold anti-sticking fixed mold mechanism, comprising a panel (1), a first fixed mold plate (2) and a fixed mold core (8); Features: The panel (1) and the first fixed mold plate (2) are fixed together, and a limiting hole is provided in the first fixed mold plate (2), and a limiting column (4) is provided in the limiting hole; a fixed mold plate groove (17) is provided in the first fixed mold plate (2), and a fixed mold cushion block (5) is provided in the fixed mold plate groove (17); a limiting groove (18) is provided in the first fixed mold plate (2), and a spring (3) is provided in the limiting groove (18); a through hole (19) is provided inside the fixed mold core (8), and a first fixed mold insert (7) and a first fixed mold insert pin (6) are provided in the through hole (19); when the fixed mold core (8) and the movable mold core (9) are molded together, the movable mold core (9) is provided with a first fixed mold insert pin (6) and a first fixed mold insert (7).

2. The mold anti-sticking and mold fixing mechanism according to claim 1, characterized in that: The fixed mold core (8) and the first fixed mold plate (2) are fixed by bolts, and the bolts are symmetrically arranged about the center of the fixed mold core (8), and the bolts are made of metal.

3. The mold anti-sticking and fixing mold mechanism according to claim 1, characterized in that: The first fixed mold insert pin (6) and the first fixed mold insert (7) are limited by the limiting column (4), and the limiting column (4) is symmetrically arranged about the center of the panel (1), and the limiting column (4) is arranged above the first fixed mold insert pin (6) and the first fixed mold insert (7).

4. The mold anti-sticking and mold fixing mechanism according to claim 1, characterized in that: A fixed mold pin hanging platform bottom surface (11) is arranged above the first fixed mold pin (6), a fixed mold pin top surface (13) is arranged at the lower end of the first fixed mold pin (6), and a fixed mold pin hanging platform end surface (12) is arranged on the first fixed mold pin (6).

5. The mold anti-sticking and mold fixing mechanism according to claim 1, characterized in that: A fixed mold insert hanging platform bottom surface (14) is arranged above the first fixed mold insert (7), a fixed mold insert top surface (16) is arranged below the first fixed mold insert (7), and a fixed mold insert hanging platform end surface (15) is arranged on the first fixed mold insert (7).

6. The mold anti-sticking and mold fixing mechanism according to claim 4, characterized in that: A plastic product (10) is arranged between the fixed mold core (8) and the movable mold core (9), and the bottom surface (11) of the fixed mold insert hanging platform and the bottom surface (14) of the fixed mold insert hanging platform are in contact with the limiting column (4).

7. The mold anti-sticking and mold fixing mechanism according to claim 1, characterized in that: The surface of the limiting column (4) is provided with a spring (3), and the springs (3) are evenly distributed on the surface of the limiting column (4), and the material of the springs (3) is metal.

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