Air suction type in-mold injection molding mechanism

Abstract

The utility model discloses an air suction type in-mold injection molding mechanism, which is applied to the technical field of in-mold injection molding mechanisms, and is characterized in that the air suction type in-mold injection molding mechanism comprises a male mold seat and a female mold seat, and a male mold plate and a female mold plate are fixedly arranged on the male mold seat and the female mold seat respectively; a plurality of male mold cores are evenly and fixedly arranged on the male mold plate, a plurality of male mold blocks and an air suction positioning assembly used for adsorbing, positioning and fixing metal rods are fixedly arranged on the male mold cores, a plurality of female mold cores matched with the male mold cores are evenly and fixedly arranged on the female mold plate, and female mold grooves matched with the male mold blocks are formed in the female mold cores. The male die block and the female die groove are combined to form a forming cavity communicated with a metal rod, and a plurality of injection molding openings used for injecting forming materials into the forming cavity are formed in the female die core; the device has the technical effects of being simple in structure, capable of adapting to a vertical / horizontal injection molding machine table and high in production precision.

Description

Technical Field

[0001] The utility model relates to the technical field of in-mold injection molding mechanisms, in particular to an air suction type in-mold injection molding mechanism. Background Art

[0002] At present, in the injection molding process of computer parts, for long parts, it is necessary to place a slender metal rod in the injection mold before injection molding to increase the overall structural strength of the injection molded part. The existing mold design is usually as follows Figure 6 As shown, several positioning blocks are arranged on the male mold plate to position and fix the metal rod, but this fixing method is only applicable to fixing the metal rod in the horizontal direction. Therefore, the mold can only be designed as an upper and lower mold opening method. However, the injection molding machines on the current market are generally horizontal machines. The use range of machine tools with upper and lower mold opening design is relatively narrow, which is not conducive to widespread promotion and use in production. In addition, the positioning accuracy of the product is poor when the positioning blocks are used to position the metal rod. On the other hand, multiple positioning blocks need to be arranged in the mold core to realize the positioning and fixing of the metal rod, which increases the cost of mold core design and manufacturing, and needs to be improved. Utility Model Content

[0003] The utility model aims to provide an air suction type in-mold injection molding mechanism, which has the advantages of simple structure, adaptability to vertical / horizontal injection molding machines and high production precision.

[0004] The above technical purpose of the utility model is achieved through the following technical solutions: an air suction type in-mold injection molding mechanism, including a male mold base and a female mold base, the male mold base and the female mold base are respectively provided with a male mold plate and a female mold plate fixed thereon; a plurality of male mold cores are evenly fixedly provided on the male mold plate, a plurality of convex modules and an air suction positioning component for adsorbing and positioning a metal rod are fixedly provided on the male mold core, a plurality of female mold cores cooperating with the male mold cores are evenly fixedly provided on the female mold plate, a concave mold groove cooperating with the convex module is provided on the female mold core, the convex module and the concave mold groove are combined to form a molding cavity connected to the metal rod, and a plurality of injection ports for injecting molding material into the molding cavity are provided on the female mold core.

[0005] The utility model is further configured as follows: the air suction positioning assembly includes an air suction positioning block fixedly connected to the male mold core and a first positioning groove opened on the air suction positioning block for positioning the metal rod, the air suction positioning block is provided with an air suction groove connected to the first positioning groove so as to realize the metal rod being adsorbed and fixed in the first positioning groove, and the air suction groove is externally connected to an exhaust pipe.

[0006] The utility model is further configured as follows: a plurality of installation grooves for positioning and installing the air suction positioning block are opened on the male mold core, and the positioning and fixing requirements of metal rods of different specifications are adapted to by replacing different air suction positioning components into the installation grooves, and the positioning and fixing requirements of metal rods of different shapes are adapted to by adjusting the positions of the positioning grooves.

[0007] The utility model is further configured as follows: a second positioning groove cooperating with the first positioning groove is provided on the female mold core.

[0008] The utility model is further configured as follows: the first positioning groove and the second positioning groove are configured with expanded openings and the edges of the openings are in an arc-shaped structure.

[0009] The utility model is further configured as follows: a plurality of first positioning rods are evenly fixedly provided on the male mold base, the first positioning rods protrude from the surface of the male mold plate, a first positioning hole cooperating with the first positioning rods is provided on the female mold plate, a plurality of second positioning rods are also evenly fixedly provided on the female mold base, the second positioning hole cooperating with the second positioning rods is provided on the male mold plate, a plurality of positioning blocks are also protruded and fixedly provided on the male mold plate, and a positioning groove cooperating with the positioning block is fixedly provided on the female mold plate.

[0010] The utility model is further configured as follows: a cooling pipeline is fixedly arranged in the mother template.

[0011] In summary, the utility model has the following beneficial effects:

[0012] 1. The air suction positioning assembly is provided with a first positioning groove on the air suction positioning block and an air suction groove connected to the first positioning groove is provided in the air suction positioning block. When the metal rod is placed in the first positioning groove, the air is sucked out by the air suction pipe to form a negative pressure environment in the air suction groove, so that the metal rod is adsorbed and fixed in the first positioning groove, so that it can adapt to the use conditions of vertical / horizontal injection molding machines at the same time. The structure is simple, and a second positioning groove cooperating with the first positioning groove is provided on the female mold core. The positioning of the first positioning groove and the second positioning groove further increases the accuracy of product processing. At the same time, the notches of the first positioning groove and the second positioning groove are expanded and the edges of the notches are arc-shaped, so that it is more convenient to place the metal rod in the first positioning groove. An installation groove is provided on the male mold core. Based on replacing different air suction positioning assemblies into the installation groove, the positioning and fixing requirements of metal rods of different specifications can be met, and based on adjusting the position of the positioning groove, the positioning and fixing requirements of metal rods of different shapes can be met, which greatly improves the scope of adaptation and use;

[0013] 2. Multiple sets of positioning rods and positioning holes are set up to further increase the positioning accuracy and improve the accuracy of product processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 Schematic diagram of the structure of the male mold base of this embodiment;

[0015] Figure 2 yes Figure 1 A magnified schematic diagram of part A;

[0016] Figure 3 Schematic diagram of the structure of the female mold base of this embodiment;

[0017] Figure 4 yes Figure 3 A magnified schematic diagram of part B;

[0018] Figure 5 is a schematic structural diagram of the air suction positioning assembly of this embodiment;

[0019] Figure 6 The present invention is a structural diagram of arranging a plurality of positioning blocks on a male template to realize the positioning and fixing of a metal rod.

[0020] : 1. male mold base; 2. female mold base; 3. male mold plate; 4. female mold plate; 5. male mold core; 51. male mold plate; 52. air suction positioning assembly; 53. air suction positioning block; 54. first positioning groove; 55. air suction groove; 56. exhaust pipe; 57. mounting groove; 6. female mold core; 61. female mold groove; 62. injection port; 63. second positioning groove; 7. first positioning rod; 8. first positioning hole; 9. second positioning rod; 10. second positioning hole; 11. positioning block; 12. positioning groove. DETAILED DESCRIPTION

[0021] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0022] Example:

[0023] refer to Figures 1 to 5A suction type in-mold injection molding mechanism comprises a male mold base 1 and a female mold base 2, on which a male mold plate 3 and a female mold plate 4 are fixedly provided respectively, a plurality of male mold cores 5 are evenly fixedly provided on the male mold base 3, a plurality of male mold cores 51 and a suction positioning assembly 52 for adsorbing and positioning a metal rod are fixedly provided on the male mold core 5, a plurality of female mold cores 6 cooperating with the male mold core 5 are evenly fixedly provided on the female mold base 4, a female mold core 6 is provided with a female mold groove 61 cooperating with the male mold core 51, and the male mold core 51 and the female mold core 6 are provided with a female mold groove 61 cooperating with the male mold core 51, and the male mold core 51 and the female mold core 6 are provided with a female mold groove 61 cooperating with the male mold core 51. The mold grooves 61 are combined to form a molding cavity connected to the metal rod. The female mold core 6 is provided with a plurality of injection ports 62 for injecting molding material into the molding cavity. When the male mold base 1 and the female mold base 2 are molded together, the male module 51 and the female mold groove 61 are combined to form a molding cavity connected to the metal rod. The molding material enters the molding cavity from the injection port 62 and wraps up the metal rod. After molding, the metal rod is contained in the molded part, thereby greatly increasing the strength of the molded part. A cooling pipeline is fixedly provided in the female mold plate 4, thereby increasing the cooling molding speed of the molded part.

[0024] refer to Figure 2 and Figure 5 Specifically, the air suction positioning component 52 includes an air suction positioning block 53 fixedly connected to the male mold core 5 and a first positioning groove 54 provided on the air suction positioning block 53 for positioning the metal rod. An air suction groove 55 connected to the first positioning groove 54 is provided in the air suction positioning block 53 so as to realize the metal rod being adsorbed and fixed in the first positioning groove 54. An air suction pipe 56 is externally connected to the air suction groove 55. When the metal rod is placed in the first positioning groove 54, the air suction pipe 56 draws air so as to form a negative pressure environment in the air suction groove 55 so as to realize the metal rod being adsorbed and fixed in the first positioning groove 54, so as to adapt to both vertical and horizontal positions. The use conditions of the injection molding machine are simple in structure. A plurality of mounting grooves 57 for positioning and installing the suction positioning block 53 are provided on the male mold core 5. Based on replacing different suction positioning components 52 into the mounting grooves 57, the positioning and fixing requirements of metal rods of different specifications are adapted. Based on adjusting the position of the positioning groove 12, the positioning and fixing requirements of metal rods of different shapes are adapted. The scope of adaptation and use is greatly improved. A second positioning groove 63 cooperating with the first positioning groove 54 is provided on the female mold core 6. The positioning of the first positioning groove 54 and the second positioning groove 63 further increases the accuracy of product processing. In this embodiment, the notches of the first positioning groove 54 and the second positioning groove 63 are expanded and the notch edges are in an arc-shaped structure. The notches of the first positioning groove 54 and the second positioning groove 63 are expanded and the notch edges are in an arc-shaped structure, so that it is more convenient to place the metal rod in the first positioning groove 54.

[0025] refer to Figure 1 and Figure 3Specifically, a plurality of first positioning rods 7 are evenly fixed on the male mold base 1, and the first positioning rods 7 protrude from the surface of the male mold plate 3. A first positioning hole 8 cooperating with the first positioning rod 7 is opened on the female mold plate 4. A plurality of second positioning rods 9 protruding from the surface of the female mold plate 4 are also evenly fixed on the female mold base 2. A second positioning hole 10 cooperating with the second positioning rod 9 is opened on the male mold plate 3. A plurality of positioning blocks 11 are also protruding and fixed on the male mold plate 3. A positioning groove 12 cooperating with the positioning block 11 is fixed on the female mold plate 4. The coordination of multiple groups of positioning rods and positioning holes and the coordination of positioning blocks 11 and positioning grooves 12 further increase the positioning accuracy and improve the product processing accuracy.

[0026] Brief description of the use process: Before injection molding, the metal rod is placed in the first positioning groove 54 and then the exhaust pipe 56 is evacuated to form a negative pressure environment in the suction groove 55, so that the metal rod is adsorbed and fixed in the first positioning groove 54. Then the male mold base 1 and the female mold base 2 are molded together, and the male mold block 51 and the female mold groove 61 are combined to form a molding cavity connected to the metal rod. The molding material enters the molding cavity from the injection port 62 and wraps the metal rod. After molding, the metal rod is contained in the molded part, which greatly increases the strength of the molded part.

[0027] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make creative modifications to the present embodiment as needed, but as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. An air suction type in-mold injection molding mechanism, comprising a male mold base (1) and a female mold base (2), wherein a male mold base (3) and a female mold base (4) are fixedly provided on the male mold base (1) and the female mold base (2), respectively; characterized in that: A plurality of male mold cores (5) are evenly fixed on the male mold plate (3), a plurality of male mold cores (51) and a suction positioning assembly (52) for adsorbing and positioning the metal rod are fixed on the male mold core (5), a plurality of female mold cores (6) cooperating with the male mold cores (5) are evenly fixed on the female mold plate (4), a female mold core (6) is provided with a female mold groove (61) cooperating with the male mold core (51), the male mold core (51) and the female mold groove (61) are combined to form a molding cavity connected to the metal rod, and a plurality of injection ports (62) for injecting molding material into the molding cavity are provided on the female mold core (6).

2. The vacuum in-mold injection molding mechanism according to claim 1, characterized in that: The air suction positioning assembly (52) comprises an air suction positioning block (53) fixedly connected to the male mold core (5) and a first positioning groove (54) provided on the air suction positioning block (53) for positioning the metal rod. The air suction positioning block (53) is provided with an air suction groove (55) connected to the first positioning groove (54) so ​​as to achieve the metal rod being adsorbed and fixed in the first positioning groove (54). The air suction groove (55) is externally connected to an exhaust pipe (56).

3. The air suction type in-mold injection molding mechanism according to claim 2, characterized in that: The male mold core (5) is provided with a plurality of mounting grooves (57) for positioning and mounting the air suction positioning block (53). Different air suction positioning components (52) can be replaced into the mounting grooves (57) to meet the positioning and fixing requirements of metal rods of different specifications. The position of the positioning grooves (12) can be adjusted to meet the positioning and fixing requirements of metal rods of different shapes.

4. The air suction type in-mold injection molding mechanism according to claim 2, characterized in that: The female mold core (6) is provided with a second positioning groove (63) that matches the first positioning groove (54).

5. The air suction type in-mold injection molding mechanism according to claim 4, characterized in that: The openings of the first positioning groove (54) and the second positioning groove (63) are expanded and the edges of the openings are in an arc-shaped structure.

6. The air suction type in-mold injection molding mechanism according to claim 1, characterized in that: A plurality of first positioning rods (7) are evenly fixedly provided on the male mold base (1), the first positioning rods (7) protrude from the surface of the male mold plate (3), the female mold plate (4) is provided with a first positioning hole (8) cooperating with the first positioning rods (7), the female mold base (2) is also evenly fixedly provided with a plurality of second positioning rods (9) protruding from the surface of the female mold plate (4), the male mold plate (3) is provided with a second positioning hole (10) cooperating with the second positioning rods (9), the male mold plate (3) is also provided with a plurality of positioning blocks (11) protruding and fixedly provided, and the female mold plate (4) is provided with a positioning groove (12) cooperating with the positioning block (11).

7. The air suction type in-mold injection molding mechanism according to claim 1, characterized in that: A cooling pipeline is fixedly provided inside the mother template (4).

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