CN219335919U - A zinc alloy die-casting mold with die-casting pressure - Google Patents

Abstract

The utility model discloses a zinc alloy die casting die with die casting pressure bearing, which comprises a mounting frame, a female die and a male die, wherein an air cylinder is arranged above the mounting frame and is connected with the male die, a mounting pipe is embedded in the female die, a mounting seat is arranged below the female die, a supporting rod is arranged above the mounting seat, a damping rod is arranged above the supporting rod, a spring is sleeved on the damping rod, a jacking block is arranged above the damping rod, the shape of the jacking block is consistent with the shape of the surface of the female die, the damping rod, the spring and the jacking block are arranged to realize stable ejection of a processed casting, the damage of a traditional hard ejection piece to the casting can be avoided, after the casting is processed and cooled, an electric push rod is started to drive the supporting rod to move upwards, the jacking block is consistent with the shape of the surface of the female die, the jacking block is completely attached to the ground of the casting, and the jacking block can buffer the jacking force of the casting to a certain extent under the action of the spring and the damping rod after the jacking block contacts the casting, so that the imprinting of the jacking block to the casting can be avoided.

Description

A zinc alloy die-casting mold with die-casting pressure

technical field

The utility model belongs to the technical field of die-casting dies, in particular to a zinc alloy die-casting die with die-casting pressure bearing.

Background technique

Die casting is a metal casting process characterized by applying high pressure to the molten metal using the cavity of the mold. The mold is usually machined from a stronger alloy. This process is somewhat similar to injection molding. Most die-casting castings are not Iron-containing, such as zinc, copper, aluminum, magnesium, lead, tin and lead-tin alloys and their alloys, depending on the type of die-casting, need to use a cold chamber die-casting machine or a hot chamber die-casting machine;

The ejectors in traditional die-casting molds generally use hard metal, but when the castings produced are uneven, the use of hard metal ejectors is easy to damage the castings. At the same time, the die-casting mold needs to be preheated before use, and the casting molding process In the process, it is necessary to cool the die-casting mold to accelerate the forming of the casting, but the existing die-casting mold cannot guarantee the uniformity and stability of the heating or cooling process, which may easily lead to cracking and short service life of the mold.

Utility model content

The purpose of this utility model is to provide a zinc alloy die-casting mold with die-casting pressure and put it into use, so as to solve the above-mentioned background technology. The use of hard metal ejectors in the flat shape is easy to damage the casting. At the same time, the die-casting mold needs to be preheated before use, and the die-casting mold needs to be cooled during the molding process to speed up the molding of the casting. However, the existing die-casting mold cannot guarantee heating. Or the uniform and stable cooling process will easily lead to the problem of mold cracking and short service life.

In order to achieve the above purpose, the utility model provides the following technical solutions: a zinc alloy die-casting mold with die-casting pressure, including a mounting frame, a die and a punch, a cylinder is arranged above the mounting frame, and the cylinder and the punch connection, the die is embedded with a mounting tube, the die is provided with a mounting seat below, a support rod is provided above the mounting seat, a damping rod is installed above the support rod, and a damping rod is sleeved on the damping rod. spring, a top block is provided above the damping rod, the shape of the top block is consistent with the surface shape of the die, and an electric push rod is provided below the mounting seat.

Preferably, thermocouples are embedded on both sides of the die, the number of the thermocouples is set to two groups, the thermocouples are symmetrically distributed, a PLC controller is provided on the mounting frame, and a PLC controller is provided on the mounting frame. There is an alarm, a spray gun is provided between the die and the punch, nozzles are provided on the spray gun, cooling pipes are provided around the die, the cooling pipes are evenly distributed, and the right sides of the cooling pipes are respectively It has a liquid inlet and a liquid outlet.

Preferably, a delivery pump is provided on the right side of the installation frame, and a liquid storage tank is provided on the right side of the delivery pump, and the delivery pump is respectively connected with the liquid inlet and the liquid outlet pool, and the liquid storage tank and the liquid outlet connect.

Preferably, a trolley is provided on the left side of the installation frame, universal wheels are provided under the trolley, the number of the universal wheels is set to four groups, the universal wheels are symmetrically distributed, and the installation frame An air tank is arranged above, and the air tank is connected with the spray gun.

Preferably, the number of the installation pipes is provided in eight groups, the installation pipes are symmetrically distributed, the number of the support rods is provided in eight groups, the support rods are set corresponding to the installation pipes, and the support rods and the installation pipes The two ends of the spring are fixedly connected with the two ends of the damping rod respectively.

Preferably, the two groups of thermocouples are electrically connected to the PLC controller through connecting wires, the alarm is electrically connected to the PLC controller, and the number of the nozzles is provided in two groups, and the nozzles are symmetrically distributed. The two groups of nozzles are arranged correspondingly to the die and the punch respectively.

Beneficial effects and advantages of the utility model:

(1) The utility model realizes the stable ejection of the processed castings by setting damping rods, springs and jacking blocks, which can avoid the damage of the traditional hard ejectors to the castings. After the castings are processed and cooled, open the The electric push rod drives the support rod to move upwards, the top block is consistent with the surface shape of the die, and the top block is completely attached to the ground of the casting. After the top block touches the casting, under the action of the spring and the damping rod, it will push the top block to the casting. A certain degree of buffering can avoid the stamping of the casting by the top block;

(2), the utility model monitors the temperature on both sides of the die by setting two groups of thermocouples in real time, and heats the die and punch simultaneously by setting the spray gun, and the thermocouples can monitor the temperature on both sides in real time and transmit the data To the PLC controller, when the temperature difference between the two sides is too large, the alarm will be triggered to remind the staff to adjust the preheating position of the die and the punch, and at the same time, the entire die will be cooled by setting evenly distributed cooling pipes. Enclosed, use the delivery pump to transport the coolant inside the liquid storage tank to the cooling pipe, so as to cool the die evenly, and avoid the rapid cooling and heating of the die-casting mold or the excessive temperature difference, which will cause the mold to be damaged.

Description of drawings

Fig. 1 is the three-dimensional schematic view of the structure of the utility model;

Fig. 2 is the three-dimensional schematic diagram of the structure of the pole of the present utility model;

Fig. 3 is the three-dimensional schematic diagram of the structure of the thermocouple of the present utility model;

Fig. 4 is a three-dimensional schematic diagram of the structure of the cooling pipeline of the present invention.

In the figure: 1, installation frame; 2, die; 3, punch; 4, cylinder; 5, installation tube; 6, installation seat; 7, support rod; 8, damping rod; 9, spring; 10, top block ;11, electric push rod; 12, thermocouple; 13, PLC controller; 14, alarm; 15, connection line; 16, cart; 17, universal wheel; 18, gas tank; 19, spray gun; Nozzle; 21, cooling pipe; 22, liquid inlet; 23, liquid outlet; 24, delivery pump; 25, liquid storage tank.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The utility model provides a zinc alloy die-casting mold with die-casting pressure as shown in Fig. The punch 3 is connected, the die 2 is embedded with a mounting tube 5, the die 2 is provided with a mounting seat 6, the mounting seat 6 is provided with a support rod 7, and a damping rod 8 is installed above the support rod 7, and the damping rod 8 is covered A spring 9 is connected, and a top block 10 is provided above the damping rod 8. The shape of the top block 10 is consistent with the surface shape of the die 2. An electric push rod 11 is provided under the mounting seat 6. By setting the damping rod 8, the spring 9 and the top block 10 realizes the stable ejection of the processed castings, which can avoid the damage of the traditional hard ejectors to the castings. After the castings are processed and cooled, the electric push rod 11 is turned on to drive the strut 7 to move upwards, and the jacking block 10 and The surface shape of the die 2 is consistent, and the top block 10 is completely attached to the ground of the casting. After the top block 10 contacts the casting, under the action of the spring 9 and the damping rod 8, the top block 10 will buffer the ejection force of the casting to a certain extent. Markings of the casting by the top block 10 can thus be avoided.

The two sides of the die 2 are embedded with thermocouples 12, the number of thermocouples 12 is set to two groups, the thermocouples 12 are symmetrically distributed, the mounting frame 1 is provided with a PLC controller 13, and the mounting frame 1 is provided with an alarm 14. A spray gun 19 is provided between the mold 2 and the male die 3, and a nozzle 20 is provided on the spray gun 19. Cooling pipes 21 are provided around the die 2, and the cooling pipes 21 are evenly distributed. The right sides of the cooling pipes 21 are respectively provided with liquid inlets 22. And the liquid outlet 23, by setting two sets of thermocouples 12 to monitor the temperature on both sides of the die 2 in real time, by setting the spray gun 19 to heat the die 2 and the punch 3 simultaneously, the thermocouple 12 can monitor the temperature on both sides in real time , and transmit the data to the PLC controller 13, when the temperature difference on both sides is too large, the alarm 14 will be triggered, thereby reminding the staff to adjust the preheating positions of the die 2 and the punch 3, and at the same time by setting The evenly distributed cooling pipe 21 completely surrounds the die 2, and the cooling liquid inside the liquid storage pool 25 is transported to the cooling pipe 21 by the delivery pump 24, so as to cool the die 2 evenly and avoid rapid cooling and rapid heating of the die-casting mold Or the temperature difference is too large, resulting in mold damage.

The right side of the installation frame 1 is provided with a delivery pump 24, and the right side of the delivery pump 24 is provided with a liquid storage tank 25, and the delivery pump 24 is connected with the liquid inlet 22 and the liquid outlet pool respectively, and the liquid storage tank 25 is connected with the liquid outlet 23. The delivery pump 24 transports the cooling liquid in the liquid storage pool 25 to the cooling pipe 21 , and the cooling liquid flows in the cooling pipe 21 through the liquid outlet 23 and returns to the liquid storage pool 25 to take away the heat of the die 2 .

The left side of the mounting frame 1 is provided with a trolley 16, the bottom of the cart 16 is provided with universal wheels 17, the number of the universal wheels 17 is set to four groups, the universal wheels 17 are symmetrically distributed, and the top of the mounting frame 1 is provided with an air tank 18 , the gas tank 18 is connected to the spray gun 19, and the gas tank 18 and the spray gun 19 are moved by setting the trolley 16, which is convenient for the staff to preheat the mold.

The quantity of installation pipe 5 is provided with eight groups, and installation pipe 5 is symmetrically distributed, and the quantity of pole 7 is provided with eight groups, and pole 7 is set correspondingly with installation pipe 5, and pole 7 is slidingly socketed with installation pipe 5, and spring 9 The two ends of the two ends are respectively fixedly connected with the two ends of the damping rod 8, and the electric push rod 11 is set to drive the strut 7 to move upwards, the top block 10 is consistent with the surface shape of the die 2, and the top block 10 is completely attached to the casting ground.

Two groups of thermocouples 12 are electrically connected to the PLC controller 13 through connecting wires 15, and the alarm device 14 is electrically connected to the PLC controller 13. The number of nozzles 20 is provided in two groups, and the nozzles 20 are symmetrically distributed. The two groups of nozzles 20 Corresponding to the concave mold 2 and the convex mold 3, the temperature on both sides can be monitored in real time by setting the thermocouple 12, and the data is transmitted to the PLC controller 13. When the temperature difference between the two sides is too large, the alarm 14 will be triggered. , thereby reminding the staff to adjust the preheating positions of the die 2 and the punch 3.

Claims (6)

1. A zinc alloy die casting die with die casting pressure-bearing is characterized in that: including mounting bracket (1), die (2) and terrace die (3), mounting bracket (1) top is equipped with cylinder (4), cylinder (4) are connected with terrace die (3), die (2) are embedded to have install tube (5), die (2) below is equipped with mount pad (6), mount pad (6) top is equipped with branch (7), damping rod (8) are installed to branch (7) top, spring (9) have been cup jointed on damping rod (8), damping rod (8) top is equipped with kicking block (10), the shape of kicking block (10) is unanimous with die (2) surface shape, mount pad (6) below is equipped with electric putter (11).

2. A zinc alloy die casting die with die casting pressure as claimed in claim 1, wherein: thermocouple (12) have been inlayed to die (2) both sides, the quantity of thermocouple (12) is provided with two sets of, thermocouple (12) are symmetric distribution, be equipped with PLC controller (13) on mounting bracket (1), be equipped with alarm (14) on mounting bracket (1), be equipped with spray gun (19) between die (2) and terrace die (3), be equipped with nozzle (20) on spray gun (19), die (2) are equipped with cooling pipeline (21) all around, cooling pipeline (21) are evenly distributed, cooling pipeline (21) right side is equipped with inlet (22) and liquid outlet (23) respectively.

3. A zinc alloy die casting die with die casting pressure as claimed in claim 1, wherein: the utility model discloses a liquid storage device, including mounting bracket (1), pump (24) are equipped with on the right side of mounting bracket (1), pump (24) right side is equipped with liquid storage tank (25), pump (24) are connected with inlet (22) and play liquid pool respectively, liquid storage tank (25) are connected with liquid outlet (23).

4. A zinc alloy die casting die with die casting pressure as claimed in claim 1, wherein: the novel intelligent automatic spraying device is characterized in that a trolley (16) is arranged on the left side of the mounting frame (1), universal wheels (17) are arranged below the trolley (16), four groups of universal wheels (17) are arranged, the universal wheels (17) are symmetrically distributed, a gas tank (18) is arranged above the mounting frame (1), and the gas tank (18) is connected with a spray gun (19).

5. A zinc alloy die casting die with die casting pressure as claimed in claim 1, wherein: the number of the installation pipes (5) is eight, the installation pipes (5) are symmetrically distributed, the number of the supporting rods (7) is eight, the supporting rods (7) are arranged corresponding to the installation pipes (5), the supporting rods (7) are in sliding sleeve joint with the installation pipes (5), and two ends of the springs (9) are fixedly connected with two ends of the damping rods (8) respectively.

6. A zinc alloy die casting die with die casting pressure as claimed in claim 2, wherein: the two groups of thermocouples (12) are respectively and electrically connected with the PLC (13) through connecting wires (15), the alarm (14) is electrically connected with the PLC (13), the number of the nozzles (20) is provided with two groups, the nozzles (20) are symmetrically distributed, and the two groups of the nozzles (20) are respectively and correspondingly arranged with the female die (2) and the male die (3).

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