Automobile aluminum alloy precision die casting die-casting machine convenient to align

Abstract

The utility model relates to the technical field of die-casting devices, in particular to an automobile aluminum alloy precision die-casting piece die-casting machine convenient to align, which comprises a splash-proof shell, a heat dissipation mechanism is arranged in the splash-proof shell, the heat dissipation mechanism comprises a pressing plate which moves in the splash-proof shell, and the inner side wall of the pressing plate is connected with four groups of hollow sliding columns in a sliding mode. The inner side wall of the hollow sliding column is slidably connected with a hollow bottom column, the interior of the hollow bottom column is slidably connected with an upper inner heat dissipation column, the interior of the hollow bottom column wraps a lower inner heat dissipation column, and the bottom of the upper inner heat dissipation column and the top of the lower inner heat dissipation column are each provided with a plurality of sets of water permeable holes. The splash-proof shell is matched with the heat dissipation mechanism, so that the four groups of hollow sliding columns can be aligned with the hollow bottom column, the movement of the pressing plate is more accurate, cooling water is introduced through the lower inner heat dissipation column, and the cooling water passes through the lower inner heat dissipation column and the upper inner heat dissipation column to reduce the temperature in the hollow sliding columns and the hollow bottom column so as to restrain thermal expansion; and finally, the casting precision is improved by reducing the thermal expansion degree.

Description

Technical Field

[0001] The utility model relates to the technical field of die casting devices, in particular to a die casting machine for automobile aluminum alloy precision die castings which is convenient for alignment. Background Art

[0002] A die-casting machine is a machine used for pressure casting, consisting of a hot press chamber and a cold press chamber, and is divided into two types: vertical and horizontal. The die-casting machine hydraulically injects molten metal into a mold under pressure and cools it into shape. After the mold is opened, a solid metal casting can be obtained. It was originally used for die-casting lead type. With the advancement of science and technology and industrial production, especially with the development of industries such as automobiles, motorcycles, and home appliances, die-casting technology has achieved extremely rapid development.

[0003] After searching, the patent document with publication number CN221047267U proposes a die-casting mechanism for a die-casting machine with precise positioning: the utility model discloses a die-casting mechanism for a die-casting machine with precise positioning, including a mechanism main body, a mounting groove is provided inside the mechanism main body, and the side walls at both ends of the mounting groove are provided with slide grooves, a fixed plate is fixedly installed at the bottom of the slide groove, a die is fixedly installed on the top of the fixed plate, two groups of symmetrically distributed slide rods are fixedly installed at the four corners of the top of the fixed plate, and the top of the slide rod is connected to the top of the mounting groove, the die-casting mechanism for the die-casting machine with precise positioning is installed with a die-casting mechanism, the die-casting mechanism for the die-casting machine with precise positioning is installed with a die-casting box, when die-casting is performed, the box door is opened, the die-casting material is placed on the die, the box door is closed and the mounting plate is pushed down by the cylinder in the die-casting mechanism, and the die-casting material is pressed into the die through the punch, thereby completing the die-casting work, and at the same time, the debris generated during the die-casting process will be blocked by the die-casting box, thereby effectively preventing the debris from splashing and causing harm to the staff.

[0004] During use of the above technical solution, due to the high temperature of the molten metal, the mold and the guide pillars expand due to the temperature, resulting in inaccurate positioning and reduced accuracy of the casting.

[0005] Therefore, it is necessary to invent a die-casting machine for automobile aluminum alloy precision die-casting parts that is easy to align to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a die-casting machine for automobile aluminum alloy precision die-casting parts that is easy to align, which is achieved through the cooperation of a splash-proof shell and a heat dissipation mechanism to solve the problem in the prior art that the temperature of the metal solution is high, the mold and the guide pillar expand due to the temperature, thereby causing inaccurate alignment and reducing the accuracy of the casting.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a die-casting machine for automobile aluminum alloy precision die-casting parts that is easy to align, comprising a splash-proof shell, a heat dissipation mechanism arranged inside the splash-proof shell, the heat dissipation mechanism comprising a pressing plate movable inside the splash-proof shell, the inner side wall of the pressing plate being slidably connected with four groups of hollow sliding columns, the hollow sliding columns being fixedly connected to the top wall of the splash-proof shell, the inner side wall of the hollow sliding columns being slidably connected with a hollow bottom column, the interior of the hollow bottom column being slidably connected with an upper inner heat dissipation column, the upper inner heat dissipation column being located inside the hollow sliding column and fixedly connected to the top wall of the splash-proof shell, the interior of the hollow bottom column being wrapped with a lower inner heat dissipation column, and a plurality of water-permeable holes are provided on the bottom of the upper inner heat dissipation column and the top of the lower inner heat dissipation column, which utilize the structural characteristics of the heat dissipation mechanism to introduce cooling water and quickly dissipate heat, thereby reducing the degree of thermal expansion.

[0008] Preferably, the bottom end of the splash-proof housing is fixedly connected to a water tank, and both ends of the water tank are respectively provided with a water inlet pipe and a water outlet pipe, so that cooling water can enter and exit through the water tank.

[0009] Preferably, the bottom end of the lower inner heat dissipation column is fixedly connected to a conduction rod, and a drainage trough is provided between the hollow bottom column and the lower inner heat dissipation column, and the circulation of cooling water is achieved through the cooperation of the conduction rod and the drainage trough.

[0010] Preferably, the end of the conduction rod away from the lower inner heat dissipation column is fixedly connected to a cooling water pump, the cooling water pump is located inside the water tank, and a heat transfer box is provided above the cooling water pump. The heat transfer box passes through and extends to the top of the splash-proof shell, and the heat transfer box is used to accelerate cooling.

[0011] Preferably, the interior of the heat transfer box is wrapped with a mold, the mold is fixedly connected to the bottom wall of the splash-proof shell, and the aluminum liquid is introduced through the mold.

[0012] Preferably, a die is provided above the mold, the die is fixedly connected to the bottom end of the pressing plate, the top end of the splash-proof shell is fixedly connected to a die-casting cylinder, the output end of the die-casting cylinder is fixedly connected to the top end of the pressing plate, and the die-casting function is realized by driving the pressing plate and the die using the die-casting cylinder.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] 1. Through the cooperation of the splash-proof shell and the heat dissipation mechanism, the four sets of hollow sliding columns can be aligned with the hollow bottom column, making the movement of the pressing plate more precise. When affected by the heat of the molten aluminum, cooling water is introduced through the lower inner heat dissipation column and passes through the lower inner heat dissipation column and the upper inner heat dissipation column to reduce the temperature inside the hollow sliding column and the hollow bottom column to suppress thermal expansion. The cooling water is discharged through the water-permeable holes on the surface of the upper inner heat dissipation column and the lower inner heat dissipation column, thereby increasing the heat dissipation area. Ultimately, the degree of thermal expansion is reduced to improve the casting accuracy.

[0015] 2. Through the cooperation of cooling water pump, conduction rod, drain trough and other parts, the cooling water inside the water tank is sent into the conduction rod and the lower inner heat dissipation column by the cooling water pump, so that the cooling water passes through the water holes of the lower inner heat dissipation column and the upper inner heat dissipation column and then flows back to the inside of the water tank from the drain trough between the hollow bottom column and the lower inner heat dissipation column. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments described in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0018] Figure 2 It is a partial enlarged structural schematic diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the water tank of the utility model;

[0020] Figure 4 For the utility model Figure 2 A in the middle is an enlarged structural diagram;

[0021] Figure 5 For the utility model Figure 3 Enlarged structural diagram at point B in the middle.

[0022] Description of reference numerals:

[0023] 1. Splashproof housing; 2. Heat dissipation mechanism; 201. Pressing plate; 202. Hollow sliding column; 203. Hollow bottom column; 204. Upper inner heat dissipation column; 205. Lower inner heat dissipation column; 3. Mold; 4. Pressing die; 5. Heat transfer box; 6. Water tank; 7. Cooling water pump; 8. Conducting rod; 9. Drain trough; 10. Die-cast cylinder. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0025] The utility model provides Figure 1-5The die-casting machine for precision die-casting of aluminum alloys for automobiles, which is easy to align, comprises a splash-proof shell 1. A heat dissipation mechanism 2 is arranged inside the splash-proof shell 1. The heat dissipation mechanism 2 comprises a pressing plate 201 movable inside the splash-proof shell 1. The pressing plate 201 drives other parts to move. The inner wall of the pressing plate 201 is slidably connected with four groups of hollow sliding columns 202. The hollow sliding columns 202 are fixedly connected to the top wall of the splash-proof shell 1. The inner wall of the hollow sliding column 202 is slidably connected with a hollow bottom column 203. The interior of the hollow bottom column 203 is slidably connected with an upper inner heat dissipation column 204. The upper inner heat dissipation column 204 is located inside the hollow sliding column 202 and is fixedly connected to the top wall of the splash-proof shell 1. The interior of the hollow bottom column 203 is wrapped with a lower inner heat dissipation column 205. By mutually arranging parts such as the hollow bottom column 203, the cooling area is increased while To achieve mutual alignment to increase accuracy, several groups of water holes are provided at the bottom of the upper inner heat dissipation column 204 and the top of the lower inner heat dissipation column 205. The structural characteristics of the heat dissipation mechanism 2 are used to introduce cooling water and quickly dissipate heat, thereby reducing the degree of thermal expansion. Through the cooperation of the splash-proof shell 1 and the heat dissipation mechanism 2, the four groups of hollow sliding columns 202 can be aligned with the hollow bottom column 203 to make the movement of the pressing plate 201 more precise. When affected by the heat of the aluminum liquid, cooling water is introduced through the lower inner heat dissipation column 205 to pass through the lower inner heat dissipation column 205 and the upper inner heat dissipation column 204 to reduce the temperature inside the hollow sliding column 202 and the hollow bottom column 203 to suppress thermal expansion, and the water holes on the surface of the upper inner heat dissipation column 204 and the lower inner heat dissipation column 205 are used to achieve the outflow of cooling water and increase the heat dissipation area, ultimately improving the accuracy of the casting by reducing the degree of thermal expansion.

[0026] Refer to the instruction manual Figure 1-5The bottom end of the splash-proof shell 1 is fixedly connected to a water tank 6, and both ends of the water tank 6 are respectively provided with a water inlet pipe and a water outlet pipe, and the cooling water is input and output through the water tank 6. The bottom end of the lower inner heat dissipation column 205 is fixedly connected to a conduction rod 8, and a drain groove 9 is provided between the hollow bottom column 203 and the lower inner heat dissipation column 205. The cooling water circulates through the cooperation of the conduction rod 8 and the drain groove 9. The end of the conduction rod 8 away from the lower inner heat dissipation column 205 is fixedly connected to a cooling water pump 7. The cooling water pump 7 is located inside the water tank 6. A heat transfer box 5 is provided above the cooling water pump 7. The heat transfer box 5 passes through and extends to the top of the splash-proof shell 1. The heat transfer box 5 is used to accelerate cooling. The interior of the heat transfer box 5 is wrapped with a mold 3, and the mold 3 is fixedly connected to the bottom of the splash-proof shell 1. The aluminum liquid is introduced into the wall through the mold 3. A die 4 is arranged above the mold 3. The die 4 is fixedly connected to the bottom end of the pressing plate 201. The top of the splash-proof shell 1 is fixedly connected with a die-casting cylinder 10. The output end of the die-casting cylinder 10 is fixedly connected to the top of the pressing plate 201. The die-casting cylinder 10 is used to drive the pressing plate 201 and the die 4 to realize the die-casting function. Through the cooperation of the cooling water pump 7, the conduction rod 8, the drain trough 9 and other parts, the cooling water inside the water tank 6 is sent to the conduction rod 8 and the lower inner heat dissipation column 205 by the cooling water pump 7, so that the cooling water passes through the water holes of the lower inner heat dissipation column 205 and the upper inner heat dissipation column 204 and then flows back to the inside of the water tank 6 from the drain trough 9 between the hollow bottom column 203 and the lower inner heat dissipation column 205.

[0027] This utility works as follows:

[0028] Refer to the instruction manual Figure 1-5 When aluminum liquid needs to be die-casted to make automobile parts, the aluminum liquid is first introduced into the interior of the mold 3, and then the die-casting cylinder 10 is started to drive the pressing plate 201 and the die 4 to descend for die-casting. During the die-casting process, the four sets of hollow sliding columns 202 can be aligned with the hollow bottom column 203 through the cooperation of the splash-proof shell 1 and the heat dissipation mechanism 2, so that the movement of the pressing plate 201 is more accurate. When affected by the heat of the aluminum liquid, the cooling water inside the water tank 6 is sent to the inside of the conductive rod 8 and the lower inner heat dissipation column 205 by the cooling water pump 7, so that the cooling water passes through the lower inner heat dissipation mechanism 2. The cooling water flows back to the inside of the water tank 6 through the drain groove 9 between the hollow bottom column 203 and the lower inner heat dissipation column 205, thereby introducing cooling water through the lower inner heat dissipation column 205 and the upper inner heat dissipation column 204 to reduce the temperature inside the hollow sliding column 202 and the hollow bottom column 203 to suppress thermal expansion, and realizes the outflow of cooling water and increases the heat dissipation area through the water holes on the surface of the upper inner heat dissipation column 204 and the lower inner heat dissipation column 205, thereby improving the casting accuracy by reducing the degree of thermal expansion.

[0029] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A die-casting machine for automobile aluminum alloy precision die-casting parts that is easy to align, comprising a splash-proof housing (1), characterized in that: The splash-proof shell (1) is provided with a heat dissipation mechanism (2), the heat dissipation mechanism (2) comprises a pressing plate (201) movable inside the splash-proof shell (1), the inner side wall of the pressing plate (201) is slidably connected with four groups of hollow sliding columns (202), the hollow sliding columns (202) are fixedly connected to the top wall of the splash-proof shell (1), the inner side wall of the hollow sliding column (202) is slidably connected with a hollow bottom column (203), the interior of the hollow bottom column (203) is slidably connected with an upper inner heat dissipation column (204), the upper inner heat dissipation column (204) is located inside the hollow sliding column (202) and is fixedly connected to the top wall of the splash-proof shell (1), the interior of the hollow bottom column (203) is wrapped with a lower inner heat dissipation column (205), and the bottom of the upper inner heat dissipation column (204) and the top of the lower inner heat dissipation column (205) are both provided with a plurality of water-permeable holes.

2. The die-casting machine for automobile aluminum alloy precision die-casting parts that facilitates alignment according to claim 1, characterized in that: The bottom end of the splash-proof housing (1) is fixedly connected to a water tank (6), and both ends of the water tank (6) are respectively provided with a water inlet pipe and a water outlet pipe.

3. The die-casting machine for automobile aluminum alloy precision die-casting parts that facilitates alignment according to claim 1, characterized in that: The bottom end of the lower inner heat dissipation column (205) is fixedly connected to a conduction rod (8), and a water drain trough (9) is provided between the hollow bottom column (203) and the lower inner heat dissipation column (205).

4. The die-casting machine for automobile aluminum alloy precision die-casting parts that facilitates alignment according to claim 3, characterized in that: One end of the conduction rod (8) away from the lower inner heat dissipation column (205) is fixedly connected to a cooling water pump (7), and the cooling water pump (7) is located inside the water tank (6). A heat transfer box (5) is provided above the cooling water pump (7), and the heat transfer box (5) passes through and extends to the top of the splash-proof housing (1).

5. The die-casting machine for automobile aluminum alloy precision die-casting parts that facilitates alignment according to claim 4, characterized in that: The interior of the heat transfer box (5) is wrapped with a mold (3), and the mold (3) is fixedly connected to the bottom wall of the splash-proof housing (1).

6. The die-casting machine for automobile aluminum alloy precision die-casting parts that facilitates alignment according to claim 5, characterized in that: A pressing die (4) is provided above the mold (3), and the pressing die (4) is fixedly connected to the bottom end of the pressing plate (201). The top end of the splash-proof housing (1) is fixedly connected to a die-casting cylinder (10), and the output end of the die-casting cylinder (10) is fixedly connected to the top end of the pressing plate (201).

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