Three-plate mold front mold pitched roof demolding mechanism and three-plate mold

Abstract

The utility model provides a front mold pitched roof demolding mechanism of a three-plate mold, which comprises a plate A, a front mold core and a front mold insert, and the front mold core is embedded on the plate A; the front mold insert is embedded on the front mold core; the demolding mechanism comprises a pitched roof seat, a pitched roof rod and a reset rod, and the pitched roof seat is in sliding connection relative to the front mold core; one end of the angle ejector rod is in sliding connection with the angle ejector seat, and the other end of the angle ejector rod penetrates through the front mold insert and is used for being matched with the front mold insert to form a product and ejecting the formed product out; one end of the reset rod is arranged on the pitched roof seat, the other end of the reset rod penetrates through the front mold core and is in sliding connection with the front mold core, and the three-plate mold comprises a demolding mechanism; according to the front mold pitched roof demolding mechanism of the three-plate mold, the pitched roof rod is used for ejecting out a formed product instead of an existing ejector pin for ejecting out the product, so that the problem of the ejector pin can be avoided, the failure rate and the maintenance cost of the mold are reduced, and the production efficiency is favorably improved.

Description

Technical Field

[0001] The utility model relates to the technical field of product production molds, in particular to a three-plate mold front mold inclined top demoulding mechanism and a three-plate mold mold. Background Art

[0002] Injection molding, also known as injection molding, is a molding method that combines injection and molding. The advantages of injection molding are fast production speed, high efficiency, automated operation, a wide variety of colors, shapes from simple to complex, sizes from large to small, and precise product size. The product is easy to update and can be made into complex-shaped parts. Injection molding is suitable for mass production and complex-shaped products and other molding processing fields. Injection molds are necessary components for injection molding.

[0003] Most of the existing product ejection mechanisms use several ejector pins arranged side by side to eject products. Due to the large number of ejector pins and the long ejection distance of the ejector pins, the ejector pins are easily deformed or even broken by the shear force during ejection, which increases the failure rate and maintenance cost of the mold and is not conducive to improving the production efficiency of enterprises.

[0004] In view of this, the inventor specially designed a three-plate mold front mold inclined top demoulding mechanism and a three-plate mold, and this case was thus created. Utility Model Content

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, one purpose of the utility model is to propose a three-plate mold front mold inclined ejection demoulding mechanism, which is used to eject the molded product by setting an inclined ejector rod, replacing the existing ejector pin for ejecting the product, and overcoming the disadvantages of the current use of the ejector pin.

[0006] Another purpose of the utility model is to provide a three-plate mold.

[0007] The three-plate mold front mold inclined top demoulding mechanism provided by the utility model comprises:

[0008] A-plate;

[0009] A front mold core, the front mold core is embedded in the A plate;

[0010] A front mold insert, wherein the front mold insert is embedded in the front mold core; the demoulding mechanism comprises:

[0011] An inclined top seat, the inclined top seat is slidably connected relative to the front mold core;

[0012] An inclined ejector rod, one end of which is slidably connected to the inclined ejector seat, and the other end of which passes through the front mold insert, and is used to cooperate with the front mold insert to mold the product and to eject the molded product;

[0013] A reset rod, one end of which is arranged on the inclined top seat, and the other end of which passes through the front mold core and is slidably connected to the front mold core.

[0014] The utility model discloses a three-plate mold front mold inclined ejector demoulding mechanism which is used to eject the formed product by arranging an inclined ejector rod, which replaces the existing ejector pin for ejecting the product, thus avoiding problems caused by the ejector pin, reducing the failure rate and maintenance cost of the mold, and being conducive to improving production efficiency.

[0015] In some embodiments of the utility model, the reset rod moves relative to the front mold core, driving the inclined ejector seat to move, and the inclined ejector seat pushes the inclined ejector rod, and the front section of the inclined ejector rod extends out of the front mold insert to eject the product.

[0016] In some embodiments of the utility model, one or two inclined ejector rods are provided and both are inclinedly arranged, and a slide rail for sliding the inclined ejector rod is arranged inside the front mold insert.

[0017] In some embodiments of the utility model, a guide rail is arranged on the inclined lift seat, and a guide portion cooperating with the guide rail is arranged at one end of the inclined lift rod.

[0018] In some embodiments of the utility model, a rubber plug for driving the reset rod to slide is disposed at one end of the reset rod away from the inclined top seat.

[0019] In some embodiments of the utility model, one end of the reset rod is locked on the inclined top seat by bolts, and the rubber plug is locked on the end surface of the other end of the reset rod by bolts.

[0020] In some embodiments of the present invention, the inclined lift seat is disposed in the A plate through a pressure plate and is slidably connected to the A plate, and the inclined lift seat is located between the front mold core and the pressure plate.

[0021] In some embodiments of the present invention, the front mold core and the inclined top seat are arranged side by side in the A plate, wherein the front mold core is fixedly arranged, and the inclined top seat and the A plate are slidably arranged.

[0022] The three-plate mold provided by the utility model comprises a demoulding mechanism, and the demoulding structure adopts a three-plate mold front mold inclined top demoulding mechanism structure.

[0023] In some embodiments of the present invention, the three-plate mold further comprises:

[0024] B plate; the B plate is arranged relative to the A plate;

[0025] A rear mold core is embedded in the B plate.

[0026] In some embodiments of the present invention, the three-plate mold further includes a stripper plate, and the stripper plate is disposed on the A plate.

[0027] In some embodiments of the present invention, a reset hole for embedding the rubber plug is provided on the rear mold core, and the inner diameter of the reset hole is smaller than the outer diameter of the rubber plug.

[0028] In some embodiments of the present invention, an exhaust hole connected to the reset hole is also provided on the rear mold core. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0030] in:

[0031] Figure 1 It is a schematic diagram of the demoulding mechanism of the utility model;

[0032] Figure 2 It is an exploded view of the demoulding mechanism of the utility model;

[0033] Figure 3 It is a partial exploded view of the demoulding mechanism of the utility model;

[0034] Figure 4 It is a cross-sectional view of the demoulding mechanism of the utility model;

[0035] Figure 5 It is a structural schematic diagram of the front mold insert of the utility model;

[0036] Figure 6 This is a structural view of the utility model product;

[0037] Figure 7 It is a structural schematic diagram of the three-plate mold of the utility model;

[0038] Figure 8 It is an exploded view of the three-plate mold of the utility model.

[0039] Description of labels:

[0040] 10. Plate A; 101. Through hole; 11. Front mold core; 12. Front mold insert; 121. Slide rail; 20. Slanted ejector seat; 21. Guide rail; 30. Slanted ejector rod; 31. Guide part; 40. Reset rod; 41. Rubber plug; 50. Pressing plate; 60. Plate B; 61. Back mold core; 611. Reset hole; 612. Exhaust hole; 70. Stripping plate. DETAILED DESCRIPTION

[0041] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and more understandable, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0042] Example 1

[0043] See also Figures 1 to 5 , is a three-plate mold front mold inclined ejection demolding mechanism as embodiment 1 of the utility model, including A plate 10, front mold core 11, front mold insert 12, the front mold core 11 is embedded in the A plate 10; the front mold insert 12 is embedded in the front mold core 11; the demolding mechanism includes an inclined ejection seat 20, an inclined ejection rod 30, and a reset rod 40, the inclined ejection seat 20 is slidably connected relative to the front mold core 11; one end of the inclined ejection rod 30 is slidably connected to the inclined ejection seat 20, and the other end passes through the front mold insert 12, which is used to cooperate with the front mold insert 12 to mold products, and is used to eject the molded products; the reset rod 40 One end is arranged on the inclined ejector seat 20, and the other end passes through the front mold core 11 and is slidably connected to the front mold core 11. The reset rod 40 moves relative to the front mold core 11, driving the inclined ejector seat 20 to move. The inclined ejector seat 20 pushes the inclined ejector rod 30, and the front section of the inclined ejector rod 30 extends out of the front mold insert 12, thereby ejecting the product. The three-plate mold front mold inclined ejector demolding mechanism of the utility model uses the inclined ejector rod 30 to eject the molded product, instead of the existing ejector pin for ejecting the product, which can avoid problems with the ejector pin, reduce the failure rate and maintenance cost of the mold, and is conducive to improving production efficiency.

[0044] Please refer to Figure 2 , 3 In the present embodiment, two inclined ejector rods 30 are provided, and both are inclinedly provided. The two inclined ejector rods 30 are symmetrically provided on the front mold insert 12, and both are slidably connected to the front mold insert 12. A slide rail 121 for sliding the inclined ejector rod 30 is provided inside the front mold insert 12. A guide rail 21 is provided on the inclined ejector seat 20, and a guide portion 31 cooperating with the guide rail 21 is provided at one end of the inclined ejector rod 30, wherein the guide portion 31 is in a "T" shape, and the guide rail 21 is also in a "T" shape, so that the guide portions 31 of the two inclined ejector rods 30 can slide with the guide rail 21.

[0045] Please refer to Figure 3 A rubber plug 41 is provided at one end of the reset rod 40 away from the inclined top seat 20 to drive it to slide; the rubber plug 41 is locked on the end surface of the other end of the reset rod 40 by a bolt; the rubber plug 41 of this embodiment is cylindrical as a whole and adopts a rubber part, specifically a rubber material, which can improve the friction of the outer wall of the rubber plug 41.

[0046] For details, please refer to Figure 2-4, the inclined top seat 20 is arranged in the A plate 10 through the pressing plate 50, and is slidably connected to the A plate 10, and the inclined top seat 20 is located between the front mold core 11 and the pressing plate 50; the front mold core 11 and the inclined top seat 20 are arranged side by side in the A plate 10, wherein the front mold core 11 is fixedly arranged, and the inclined top seat 20 is slidably arranged with the A plate 10. In this embodiment, the front mold core 11 is embedded and fixed on the A plate 10; the inclined top seat 20 is arranged side by side with the front mold core 11 and is slidably connected with the A plate 10. Specifically, a through hole 101 for installing the front mold core 11 is provided on the A plate 10, and a part of the through hole 101 is used to install the front mold core 11, and the remaining part is used for the cavity required when the inclined top seat 20 slides, that is, the inclined top seat 20 and the front mold core 11 are arranged side by side in the through hole 101, and the front mold core 11 is fixedly embedded, and the inclined top seat 20 is located in the through hole 101 and is slidably connected with the A plate 10.

[0047] Example 2

[0048] See also Figures 1 to 8 , is a three-plate mold as embodiment 2 of the utility model, including a demoulding mechanism, the demoulding structure adopts the three-plate mold front mold inclined top demoulding mechanism structure in embodiment 1, and the mold of this embodiment is used to produce Figure 6 The product shown in the figure, the three-plate mold further includes: a B plate 60, a rear mold core 61, the B plate 60 is arranged relative to the A plate 10; the rear mold core 61 is embedded in the B plate 60. The three-plate mold further includes a stripper plate 70, which is arranged on the A plate 10. After the A plate 10 and the B plate 60 are molded together, the rear mold core 61, the front mold core 11, the front mold insert 12 and the inclined ejector rod 30 form a mold cavity for producing the product.

[0049] A reset hole 611 for embedding the rubber plug 41 is provided on the rear mold core 61. The inner diameter of the reset hole 611 is smaller than the outer diameter of the rubber plug 41. Therefore, sufficient external force is required to separate the rubber plug 41 from the reset hole 611, and before separation, the reset rod 40 will drive the inclined ejector seat 20 to move, thereby driving the inclined ejector rod 30 to fix the molded product; the rear mold core 61 is also provided with an exhaust hole 612 connected with the reset hole 611, so that air can be discharged when the rubber plug 41 enters the reset hole 611. When the product is molded, since the rubber plug 41 is embedded in the reset hole 611, the inclined ejector rod 30 can be used to eject the product after the A plate 10 and the B plate 60 are opened. When closing the mold, since the rubber plug 41 is made of rubber, it will enter the reset hole 611 under the pressure of external force, and the reset rod 40 will gradually reset during the closing process to reset the inclined ejector rod 30, so as to form a complete mold cavity for subsequent product molding.

[0050] In summary, the three-plate mold front mold inclined ejector demoulding mechanism of the utility model is used to eject the formed product by arranging an inclined ejector rod, which replaces the existing ejector pin for ejecting the product, thereby avoiding problems caused by the ejector pin, reducing the failure rate and maintenance cost of the mold, and is conducive to improving production efficiency.

[0051] The utility model is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the method concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. The three-plate mold front mold inclined top demoulding mechanism includes: A-plate; A front mold core, the front mold core is embedded in the A plate; The front mold insert is embedded in the front mold core; characterized in that the demoulding mechanism comprises: An inclined top seat, the inclined top seat is slidably connected relative to the front mold core; An inclined ejector rod, one end of which is slidably connected to the inclined ejector seat, and the other end of which passes through the front mold insert; A reset rod, one end of which is arranged on the inclined top seat, and the other end of which passes through the front mold core and is slidably connected to the front mold core.

2. The three-plate mold front mold inclined ejection mechanism according to claim 1 is characterized in that: One or two inclined ejector rods are provided and are both inclinedly arranged. A slide rail for sliding the inclined ejector rods is arranged inside the front mold insert.

3. The three-plate mold front mold inclined ejection mechanism according to claim 1 is characterized in that: A guide rail is arranged on the inclined ejector seat, and a guide portion cooperating with the guide rail is arranged at one end of the inclined ejector rod.

4. The three-plate mold front mold inclined ejection mechanism according to claim 1 is characterized in that: The end of the reset rod away from the inclined top seat is provided with a rubber plug for driving the reset rod to slide.

5. The three-plate mold front mold inclined ejection mechanism according to claim 1 is characterized in that: The inclined top seat is arranged in the A plate through a pressing plate and is slidably connected to the A plate. The inclined top seat is located between the front mold core and the pressing plate.

6. The three-plate mold front mold inclined ejection mechanism according to claim 1 is characterized in that: The front mold core and the inclined top seat are arranged side by side in the A plate, wherein the front mold core is fixedly arranged, and the inclined top seat and the A plate are slidably arranged.

7. Three-plate mold, characterized in that: It comprises the three-plate mold front mold inclined top demoulding mechanism described in any one of claims 1-6.

8. The three-plate mold according to claim 7, characterized in that: The three-plate mold also includes: B plate; the B plate is arranged relative to the A plate; A rear mold core is embedded in the B plate.

9. The three-plate mold according to claim 7, characterized in that: The three-plate mold also includes a stripper plate, which is arranged on the A plate.

10. The three-plate mold according to claim 8, characterized in that: The rear mold core is provided with a reset hole for embedding the rubber plug, and the inner diameter of the reset hole is smaller than the outer diameter of the rubber plug.

Images