CN215941461U

CN215941461U - Die-casting device for solving air hole defects of die-casting product

Info

Publication number: CN215941461U
Application number: CN202121142309.6U
Authority: CN
Inventors: 高兵
Original assignee: Chaohu Yian Yunhai Technology Co ltd
Current assignee: Chaohu Yian Yunhai Technology Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2022-03-04
Anticipated expiration: 2031-05-26

Abstract

The utility model relates to the technical field of die-casting devices, and discloses a die-casting device for solving the air hole defect of a die-casting product, which comprises a base, wherein a mounting plate is arranged on the left side of the upper surface of the base, a first air cylinder is fixedly arranged on the left side wall of the mounting plate, two support rods are symmetrically and fixedly arranged on the right side wall of the mounting plate from top to bottom, a movable die is movably sleeved at the left end of the rod wall of each support rod together, the end part of a piston rod of the first air cylinder penetrates through the right side wall of the mounting plate and is fixedly connected with the left side wall of the movable die, a fixed die is fixedly sleeved at the middle end of the rod wall of each support rod together, a baffle is movably sleeved at the right end of the rod wall of each support rod together, a die cavity is formed in the middle end of the right side wall of the movable die, and a through hole is formed in the fixed die. The utility model can utilize the metal liquid to extrude the residual gas in the casting during the processing of the casting, thereby effectively avoiding the gas from forming pores on the surface of the casting.

Description

Die-casting device for solving air hole defects of die-casting product

Technical Field

The utility model relates to the technical field of die-casting devices, in particular to a die-casting device for solving the air hole defect of a die-casting product.

Background

Die casting is a metal forging process and is characterized by that it utilizes the internal cavity of die to apply high pressure to molten metal so as to utilize high pressure to force the metal solution into the metal film.

The die-casting device for solving the air hole defect of the die-casting product with the patent number of CN203541481U comprises a die-casting machine and a vacuumizing device, wherein a punch and a feeding port corresponding to a charging barrel are arranged on the charging barrel of the die-casting machine, a movable die and a static die are arranged at the rear end of the charging barrel, a die cavity is formed between the movable die and the static die, and a vacuum valve is arranged at the end part of the die cavity and a control device for controlling the vacuum valve to be closed is arranged at the end part of the die cavity; the end part of the punch is provided with a piston ring, and the piston ring corresponds to the inner wall of the charging barrel.

However, when the technical scheme is used, the movable die and the fixed die are mutually attached, and the vacuumizing device is used for vacuumizing the movable die and the fixed die, so that the metal liquid is easily pumped into the vacuum device, and the use of the whole die-casting device is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that in the prior art, when the existing die-casting device is used, gas in a die cavity of a die is easy to be retained on the surface of a casting to form air holes, so that the quality of the casting is influenced.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a die-casting device for solving the air hole defect of a die-casting product comprises a base, wherein a mounting plate is arranged on the left side of the upper surface of the base, the left side wall of the mounting plate is fixedly provided with a first air cylinder, the right side wall of the mounting plate is symmetrically and fixedly provided with two support rods up and down, the left end of the rod wall of each support rod is movably sleeved with a movable mould, the end part of the piston rod of the first cylinder penetrates through the right side wall of the mounting plate and is fixedly connected with the left side wall of the movable mould, the middle end of the rod wall of each supporting rod is fixedly sleeved with a fixed mould, the right end of the rod wall of each supporting rod is movably sleeved with a baffle, the middle end of the right side wall of the movable mould is provided with a mould cavity, the inner part of the fixed mould is provided with a through hole, the inside symmetry of through-hole is equipped with telescopic machanism, the common fixedly connected with module of two telescopic machanism is passed through to the inside of through-hole, fixed feed mechanism that is equipped with between module and the baffle.

Preferably, telescopic machanism includes fixed block, telescopic link and spring, the last side wall fixed connection of fixed block and through-hole, the right-hand member pole wall of telescopic link and the left side wall fixed connection of fixed block, the spring cup joints with the pole wall activity of telescopic link, the right-hand member pole wall of telescopic link and the right side wall fixed connection of module, the left side wall and the die cavity phase-match of module.

Preferably, the feeding mechanism comprises a feeding pipe, a push rod and a second cylinder, two ends of the feeding pipe are fixedly connected with the right side wall of the module and the left side wall of the baffle respectively, the second cylinder is fixedly connected with the right side wall of the baffle, the end part of a piston rod of the second cylinder penetrates through the left side wall of the baffle and extends into the feeding pipe, and the end part of the piston rod of the push rod is fixedly connected with the end part of the piston rod of the second cylinder.

Preferably, the upper side wall of the through hole is provided with a sliding groove, the inside of the sliding groove is connected with a sliding block in a sliding manner, and the lower surface of the sliding block is fixedly connected with the upper surface of the module.

Preferably, a blocking piece is fixedly arranged at the right end of the rod wall of each supporting rod respectively.

Preferably, a first feeding hole is formed in the upper side of the right side wall of the feeding pipe, and a second feeding hole is formed in the lower side of the inside of the module.

Compared with the prior art, the utility model provides a die-casting device for solving the air hole defect of a die-casting product, which has the following beneficial effects:

1. this die-casting product pore defect is solved and is used die-casting device, through the removal of moving die utensil, before the metal liquid injection, promote the module and laminate mutually with the die cavity to can be preliminary with the inside air extrusion discharge of die cavity, the inside air that is detained of effectual reduction die cavity.

2. This die-casting product gas pocket defect is solved and is used die-casting device, through inside the second cylinder injects the metal liquid to the die cavity, because the feed inlet of module is located the below of die cavity, inside the metal liquid was advanced the die cavity from the below, the metal liquid can be discharged the inside remaining a small amount of air of die cavity when extrudeing the module, when the metal liquid extrudeed the die cavity, can make its quick shaping and effectively avoid the surface production gas pocket of shaping foundry goods.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the utility model can utilize the metal liquid to extrude the residual gas in the casting in the processing process of the casting, thereby effectively avoiding the gas from forming pores on the surface of the casting.

Drawings

FIG. 1 is a schematic structural diagram of a die-casting device for solving the air hole defect of a die-casting product according to the present invention;

FIG. 2 is a schematic front view of the integrated device of FIG. 1;

fig. 3 is an enlarged view of a portion a of fig. 2.

In the figure: the device comprises a base 1, a mounting plate 2, a first cylinder 3, a supporting rod 4, a movable mould 5, a fixed mould 6, a baffle 7, a module 8, a fixed block 9, a telescopic rod 10, a spring 11, a feeding pipe 12, a push rod 13, a second cylinder 14, a sliding block 15 and a blocking piece 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Embodiment 1 as shown in fig. 1-2, a die-casting device for solving the air hole defect of a die-casting product comprises a base 1, a mounting plate 2 is arranged on the left side of the upper surface of the base 1, a first cylinder 3 is fixedly arranged on the left side wall of the mounting plate 2, two support rods 4 are symmetrically and vertically fixedly arranged on the right side wall of the mounting plate 2, a movable mold 5 is movably sleeved at the left end of the rod wall of each support rod 4, the end of a piston rod of the first cylinder 3 penetrates through the right side wall of the mounting plate 2 and is fixedly connected with the left side wall of the movable mold 5, a fixed mold 6 is fixedly sleeved at the middle end of the rod wall of each support rod 4, a baffle 7 is movably sleeved at the right end of the rod wall of each support rod 4, a mold cavity is arranged at the middle end of the right side wall of the movable mold 5, a through hole is arranged in the fixed mold 6, telescopic mechanisms are symmetrically arranged in the through hole, and a module 8 is fixedly connected in the through two telescopic mechanisms, a feeding mechanism is fixedly arranged between the module 8 and the baffle 7.

Embodiment 2 is on embodiment 1's basis as shown in fig. 2 and 3, telescopic machanism includes fixed block 9, telescopic link 10 and spring 11, and fixed block 9 and the last lateral wall fixed connection of through-hole, the right-hand member pole wall of telescopic link 10 and the left side wall fixed connection of fixed block 9, and spring 11 cup joints with the pole wall activity of telescopic link 10, and the right-hand member pole wall of telescopic link 10 and the right side wall fixed connection of module 8, the left side wall and the die cavity phase-match of module 8.

Embodiment 3 is based on embodiment 1 and is described in fig. 2 and 3, the feeding mechanism includes a feeding pipe 12, a push rod 13, and a second cylinder 14, two ends of the feeding pipe 12 are respectively fixedly connected with a right side wall of the module 8 and a left side wall of the baffle 7, the second cylinder 14 is fixedly connected with the right side wall of the baffle 7, a piston rod end of the second cylinder 14 penetrates through the left side wall of the baffle 7 and extends into the feeding pipe 12, and the push rod 13 is fixedly connected with the piston rod end of the second cylinder 14.

In embodiment 4, as shown in fig. 3, on the basis of embodiment 1, a sliding groove is formed in an upper side wall of the through hole, a sliding block 15 is slidably connected inside the sliding groove, and a lower surface of the sliding block 15 is fixedly connected with an upper surface of the module 8 to prevent the module 8 from being separated from the stationary mold 6.

Embodiment 5 on the basis of embodiment 1, as shown in fig. 1 and 2, a stopper 16 is fixedly provided at the right end of the wall of each support rod 4 to prevent the baffle 7 from separating from the support rod 4.

In embodiment 6, as shown in fig. 2 on the basis of embodiment 1, a first feeding hole is formed in the upper side of the right side wall of the feeding pipe 12, and a second feeding hole is formed in the lower side of the inside of the module 8, so as to feed the metal liquid.

Compared with the prior art, the technical scheme utilizes the metal liquid to extrude the residual gas inside when in use, and effectively avoids the gas from forming pores on the surface of the casting

In the utility model, when in use, the first cylinder 3 is opened, the piston rod of the first cylinder 3 pushes the movable mould 5 to move rightwards, when the movable mould moves to the position of the fixed mould 6, the mould cavity is jointed with the module 8, so that the air in the mould cavity can be extruded and discharged preliminarily, at the moment, the metal liquid is conveyed into the feeding pipe 12 from the first feeding hole, simultaneously, the second cylinder 14 is opened, the piston rod of the second cylinder 14 pushes the push rod 13, so that the metal liquid in the feeding pipe 12 is pushed into the mould cavity through the second feeding hole, at the moment, because the module 8 is jointed with the mould cavity, the module 8 is extruded after the metal liquid enters the mould cavity, so that the module 8 extrudes the spring 11 through the telescopic rod 10, at the moment, the metal liquid can extrude and discharge the residual air in the mould 8, and when the metal liquid extrudes the mould cavity, the mould closing module 8 on the surface of a casting can be tightly attached to the module 8, so that the molding can be rapidly carried out and the surface can be effectively prevented from generating air holes.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a die-casting device is used to die-casting product gas pocket defect solution, includes base (1), its characterized in that, the upper surface left side of base (1) is equipped with mounting panel (2), the fixed first cylinder (3) that is equipped with of left side wall of mounting panel (2), the upper and lower symmetry of the right side wall of mounting panel (2) is fixed and is equipped with two bracing pieces (4), every the pole wall left end concerted movement of bracing piece (4) has cup jointed movable mould (5), the piston rod tip of first cylinder (3) runs through the right side wall of mounting panel (2) and with the left side wall fixed connection of movable mould (5), every the pole wall middle-end of bracing piece (4) together fixedly cup joints fixed mould (6), every the pole wall right-hand member concerted movement of bracing piece (4) has cup jointed baffle (7), the die cavity has been seted up to the right side wall middle-end of movable mould (5), the through hole has been seted up to the inside of deciding mould (6), the inside symmetry of through hole is equipped with telescopic machanism, the inside of through hole is through two common fixedly connected with modules (8) of telescopic machanism, fixed feed mechanism that is equipped with between module (8) and baffle (7).

2. The die-casting device for solving the air hole defect of the die-casting product, according to claim 1, wherein the telescopic mechanism comprises a fixed block (9), a telescopic rod (10) and a spring (11), the fixed block (9) is fixedly connected with the upper side wall of the through hole, the right end rod wall of the telescopic rod (10) is fixedly connected with the left side wall of the fixed block (9), the spring (11) is movably sleeved with the rod wall of the telescopic rod (10), the right end rod wall of the telescopic rod (10) is fixedly connected with the right side wall of the module (8), and the left side wall of the module (8) is matched with the die cavity.

3. The die-casting device for solving the air hole defect of the die-casting product according to claim 1, wherein the feeding mechanism comprises a feeding pipe (12), a push rod (13) and a second cylinder (14), two ends of the feeding pipe (12) are fixedly connected with a right side wall of the module (8) and a left side wall of the baffle plate (7) respectively, the second cylinder (14) is fixedly connected with the right side wall of the baffle plate (7), a piston rod end of the second cylinder (14) penetrates through the left side wall of the baffle plate (7) and extends into the feeding pipe (12), and the push rod (13) is fixedly connected with a piston rod end of the second cylinder (14).

4. The die-casting device for solving the air hole defect of the die-casting product according to claim 1, wherein a sliding groove is formed in the upper side wall of the through hole, a sliding block (15) is slidably connected inside the sliding groove, and the lower surface of the sliding block (15) is fixedly connected with the upper surface of the module (8).

5. The die-casting device for solving the air hole defect of the die-casting product according to claim 1, wherein a baffle (16) is fixedly arranged at the right end of the rod wall of each support rod (4).

6. The die-casting device for solving the air hole defect of the die-casting product as claimed in claim 3, wherein a first feeding hole is formed at the upper side of the right side wall of the feeding pipe (12), and a second feeding hole is formed at the lower side of the inside of the module (8).