Die-casting die adopting dark drawing mode

Abstract

The utility model discloses a die-casting die adopting a dark drawing mode. The die-casting die comprises a first die and a second die, the second mold is arranged on one side of the first mold; and the inner supporting core mold is arranged inside the mold I. The die has the beneficial effects that the air cylinder, the movable sliding block, the dark drawing block and the forming tooth grains are arranged, the die adopts the forming tooth grains and a dark drawing mode, the die-casting production process is optimized, the yield is improved, the stability of the appearance after die-casting forming is ensured, blistering and peeling are avoided during light vibration, and the production efficiency is improved. By arranging the third ejector pin and the flat ejector plate, ejection of the flat ejector plate is increased, it is guaranteed that products do not deform and are consistent in appearance, ejection is conducted in combination with the first ejector pin, the fourth ejector pin and the second ejector pin, and the die-casting stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to die casting die technical field, concretely is a kind of die casting die of dark extraction mode. BACKGROUND

[0002] Die casting die is a tool for producing metal parts in the field of metal casting, and the die casting die uses the mold cavity to exert high pressure on the molten metal, so that the molten metal can quickly fill the mold cavity and solidify, thereby obtaining a metal part with complex shape and accurate size. The die casting die is usually composed of a movable die (also known as an upper die, a rear die, a movable core, etc.) and a fixed die (also known as a lower die, a front die, a fixed core, etc.). When the two parts of the mold are closed, a complete cavity is formed to accommodate and shape the molten metal. However, the existing die casting die has the problem of unstable appearance during use, and the traditional slider method can be stuck at any time, which cannot produce normally. The appearance quality defects of the produced products cannot be solved. SUMMARY

[0003] The utility model aims at providing a die casting die with dark extraction mode to solve the problem of unstable appearance of the existing die casting die during use, and the traditional slider method can be stuck at any time, which cannot produce normally. The appearance quality defects of the produced products cannot be solved.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a die casting die with dark extraction mode, comprising:

[0005] No. 1 mold;

[0006] No. 2 mold, No. 2 mold is arranged on the side of No. 1 mold;

[0007] Inner support core, inner support core is arranged in the inside of No. 1 mold;

[0008] No. 1 inner support body, No. 1 inner support body is fixedly connected in the inside of No. 1 mold, and No. 1 inner support body is located on the inside of inner support core;

[0009] Dark extraction block, dark extraction block is symmetrically and slidably arranged in the inside of inner support core, and the inside of dark extraction block is provided with a shaped thread;

[0010] No. 2 inner support body, No. 2 inner support body is arranged in the inside of No. 2 mold, and No. 2 inner support body cooperates with inner support core and No. 1 inner support body;

[0011] No. 3 ejector pin, No. 3 ejector pin is symmetrically and slidably arranged in the inside of No. 1 mold, the inside of No. 3 ejector pin is fixedly connected with flat top plate, the flat top plate is slidably connected with No. 1 mold, and the flat top plate is slidably connected with inner support core.

[0012] As a preferred scheme of the utility model: still include fixed mould base, fixed mould base is fixedly connected in one side of no. The inside of fixed mould base is provided with inner slide top plate, one end of no. 3 thimble is fixedly connected with inner slide top plate, a plurality of no. 1 thimble is provided on one side of inner slide top plate, no. 1 thimble is slidably connected with no. 1 mould, no. 1 thimble is slidably connected with inner support core mould.

[0013] As a preferred scheme of the utility model: one side of the inner slide top plate is fixedly connected with no. 2 thimble, no. 2 thimble is slidably connected with no. 1 mould, a plurality of no. 4 thimble is fixedly connected on one side of inner slide top plate, no. 4 thimble is slidably connected with no. 1 mould, no. 4 thimble is slidably connected with inner support core mould.

[0014] As a preferred scheme of the utility model: the inside of no. 1 mould is symmetrically provided with moving slider, the inside of moving slider is fixedly connected with hidden pull-out block, both sides of no. 1 mould are provided with cylinder, and the output end of cylinder is fixedly connected with moving slider.

[0015] As a preferred scheme of the utility model: the inside of no. 2 mould is fixedly connected with guide sleeve, and one side of no. 1 mould is fixedly connected with guide column matched with guide sleeve.

[0016] As a preferred scheme of the utility model: the inside of no. 2 mould is provided with feeding port.

[0017] Compared with the prior art, the utility model has the advantages that the utility model is provided with cylinder, moving slider, hidden pull-out block and forming tooth, the mould adopts forming tooth, uses hidden pull-out mode, optimizes die casting production process, improves yield, guarantees the stability of appearance after die casting, and the utility model is provided with no. 3 thimble and flat top plate, increases flat top plate ejection to ensure that products are not deformed, and the appearance consistency is ensured, and the stability of die casting is improved by the ejection of no. 1 thimble, no. 4 thimble and no. 2 thimble. ACCURACY OF DRAWINGS

[0018] Figure 1 It is overall structure schematic view of the utility model;

[0019] Figure 2 It is top view of the utility model;

[0020] Figure 3 It is internal structure schematic view of the utility model;

[0021] Figure 4 It is moving slider, hidden pull-out block structure schematic view of the utility model;

[0022] Figure 5 It is no. 2 mould top view of the utility model.

[0023] Figure: 1, fixed die holder; 2, No. 1 mold; 3, inner support core; 4, No. 2 mold; 5, guide sleeve; 6, guide column; 7, feed port; 8, air cylinder; 9, moving slider; 10, hidden extraction block; 11, No. 1 inner support body; 12, No. 1 ejector pin; 13, No. 2 ejector pin; 14, No. 3 ejector pin; 15, flat ejector plate; 16, inner sliding top plate; 17, No. 2 inner support body; 18, forming tooth pattern; 19, No. 4 ejector pin. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below 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 in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0025] Please refer to Figures 1 to 5 The present application provides a technical solution: a die-casting die adopting a hidden extraction mode, comprising: No. 1 mold 2; No. 2 mold 4 arranged on one side of No. 1 mold 2; inner support core 3 fixedly connected to the inside of No. 1 mold 2; No. 1 inner support body 11 fixedly connected to the inside of No. 1 mold 2, and located on the inner side of inner support core 3; hidden extraction block 10 symmetrically and slidably arranged in the inside of inner support core 3, and having forming tooth pattern 18 formed on the inner side thereof; No. 2 inner support body 17 fixedly connected to the inside of No. 2 mold 4, and cooperated with inner support core 3 and No. 1 inner support body 11; No. 3 ejector pin 14 symmetrically and slidably arranged in the inside of No. 1 mold 2, and having flat ejector plate 15 welded and fixed to the inside thereof, and the flat ejector plate 15 being slidably connected with No. 1 mold 2 and slidably connected with inner support core 3.

[0026] It should be noted that in the present embodiment, the mold is closed between No. 1 mold 2 and No. 2 mold 4, and the injection process is performed through the feed port 7. The die-casting forming is performed through the cooperation between No. 1 mold 2, inner support core 3 and No. 2 mold 4. The forming process is performed through the cooperation between No. 1 inner support body 11 and the inner side of hidden extraction block 10, combined with forming tooth pattern 18. When demolding, the output end of air cylinder 8 drives moving slider 9 and hidden extraction block 10 to move outward, thereby ensuring the stability of the shape after die-casting forming. Then, the output end of the external hydraulic cylinder drives inner sliding top plate 16 to move, and the inner sliding top plate 16 drives No. 1 ejector pin 12, No. 4 ejector pin 19, No. 3 ejector pin 14 and No. 2 ejector pin 13 to move synchronously. No. 3 ejector pin 14 drives flat ejector plate 15 to move, thereby increasing the ejection of flat ejector plate 15 to ensure that the product is not deformed and the shape is consistent. The cooperation of each No. 1 ejector pin 12, No. 4 ejector pin 19 and No. 2 ejector pin 13 ejects the die-casting forming part, thereby demolding the die-casting forming part.

[0027] In one embodiment, such as Figures 1 to 4 As shown, it also includes a fixed mold base 1, which is fixedly connected to one side of the first mold 2. An inner sliding top plate 16 is slidably provided on the inner side of the fixed mold base 1. One end of the third ejector pin 14 is fixedly connected to the inner sliding top plate 16. A plurality of first ejector pins 12 are provided on one side of the inner sliding top plate 16. The first ejector pin 12 is slidably connected to the first mold 2 and slidably connected to the inner support core mold 3.

[0028] It should be noted that in this embodiment, the inner sliding top plate 16 drives the first ejector pin 12 and the third ejector pin 14 to move synchronously to eject the molded part.

[0029] In one embodiment, such as Figures 1 to 4 As shown, a second ejector pin 13 is fixedly connected to one side of the inner sliding top plate 16. The second ejector pin 13 is slidably connected to the first mold 2. A plurality of fourth ejector pins 19 are fixedly connected to one side of the inner sliding top plate 16. The fourth ejector pins 19 are slidably connected to the first mold 2 and to the inner support core mold 3.

[0030] It should be noted that in this embodiment, the inner sliding top plate 16 drives the second ejector pin 13 and the fourth ejector pin 19 to move, and the first ejector pin 12 and the third ejector pin 14 are used to eject the molded part.

[0031] In one embodiment, such as Figures 1 to 5 As shown, a sliding block 9 is symmetrically slidably arranged inside the mold 2. The inner side of the sliding block 9 is fixedly connected to the concealed draw block 10. Cylinders 8 are installed on both sides of the mold 2. The output end of the cylinder 8 is fixedly connected to the sliding block 9.

[0032] It should be noted that in this embodiment, the output end of the cylinder 8 drives the moving slider 9 to move, and the moving slider 9 drives the dark drawing block 10 and the forming thread 18 to move. The mold adopts the forming thread 18, which improves the stability of die casting.

[0033] In one embodiment, such as Figures 1 to 5 As shown, guide sleeves 5 are symmetrically fixed inside mold 4, and guide pillars 6 that cooperate with guide sleeves 5 are symmetrically fixed on one side of mold 2.

[0034] It should be noted that in this embodiment, when the first mold 2 moves, it drives the guide pillars 6 on one side to move. The guide sleeve 5 in the second mold 4 cooperates with the guide pillars 6 to improve the mold closing stability between the first mold 2 and the second mold 4.

[0035] In one embodiment, such as Figures 1 to 5 As shown, the interior of mold 4 has a feed inlet 7.

[0036] It should be noted that in the present embodiment, the first mold 2 and the second mold 4 are subjected to the injection process through the feeding port 7.

[0037] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0038] In addition, the terms "first", "second", "third", "fourth" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated, and therefore the features with "first", "second", "third", "fourth" can explicitly or implicitly include at least one of the features.

[0039] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "threading" 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 internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited, the above-mentioned terms in the present application can be understood according to the specific meaning of the above-mentioned terms in the present application by the person skilled in the art according to the specific circumstances.

[0040] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A die-casting mold employing a blind drawing method, characterized in that, include: Mold No. 1 (2); Mold No. 2 (4) is set on one side of Mold No. 1 (2); The inner support core mold (3) is set inside the first mold (2); The first inner support body (11) is fixed inside the first mold (2), and the first inner support body (11) is located inside the inner support core mold (3); The hidden drawing block (10) is symmetrically slidably disposed inside the inner support core mold (3), and the inner side of the hidden drawing block (10) is provided with forming teeth (18); The second inner support body (17) is located inside the second mold (4), and the second inner support body (17) cooperates with the inner support core mold (3) and the first inner support body (11); Ejector pin No. 3 (14) is symmetrically slidably disposed inside mold No. 1 (2). A flat top plate (15) is fixedly connected inside ejector pin No. 3 (14). The flat top plate (15) is slidably connected to mold No. 1 (2) and to the inner support core mold (3).

2. The die-casting mold using a blind drawing method according to claim 1, characterized in that: It also includes a fixed mold base (1), which is fixedly connected to one side of the first mold (2). An inner sliding top plate (16) is slidably provided on the inner side of the fixed mold base (1). One end of the third ejector pin (14) is fixedly connected to the inner sliding top plate (16). A plurality of first ejector pins (12) are provided on one side of the inner sliding top plate (16). The first ejector pins (12) are slidably connected to the first mold (2) and slidably connected to the inner support core mold (3).

3. A die-casting mold using a blind drawing method according to claim 2, characterized in that: A second ejector pin (13) is fixedly connected to one side of the inner sliding top plate (16), and the second ejector pin (13) is slidably connected to the first mold (2). A plurality of fourth ejector pins (19) are fixedly connected to one side of the inner sliding top plate (16), and the fourth ejector pins (19) are slidably connected to the first mold (2) and the fourth ejector pins (19) are slidably connected to the inner support core mold (3).

4. A die-casting mold using a blind drawing method according to claim 1, characterized in that: The first mold (2) is symmetrically equipped with sliding sliders (9), the inner side of which is fixedly connected to the concealed drawing block (10). Both sides of the first mold (2) are equipped with cylinders (8), the output end of which is fixedly connected to the sliding sliders (9).

5. A die-casting mold using a blind drawing method according to claim 1, characterized in that: The second mold (4) is symmetrically fixed with guide sleeves (5), and the first mold (2) is symmetrically fixed with guide posts (6) that cooperate with guide sleeves (5) on one side.

6. A die-casting mold using a blind drawing method according to claim 1, characterized in that: The second mold (4) has a feed inlet (7) inside.

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