CN218656691U - Iron casting mold - Google Patents

Abstract

The utility model discloses an iron casting mould, the utility model discloses a set up the heat dissipation chamber in the die holder, set up radiating fin in the heat dissipation chamber, radiating fin's the heat radiating area who sets up the increasable die cavity, can reach the quick radiating purpose of mould through starting heat radiator fan and take out the heat on with radiating fin, and then can accelerate the cooling shaping time of iron casting, accelerate the preparation efficiency of iron casting, the utility model discloses an at the both sides installation pivot of die holder, install big drive gear in the pivot, big drive gear's lower part is provided with the little drive gear with big drive gear meshing, when needs take out iron casting in the die holder from the die holder, but the starter motor drives little drive gear through the motor and rotates, and little drive gear meshes with big drive gear, drives the upset downwards through big drive gear die holder to the iron casting of convenient in the die holder, improves iron casting preparation efficiency.

Description

An iron casting mold

technical field

The utility model relates to the technical field of iron castings, in particular to an iron casting mold.

Background technique

Iron casting mold means that in order to obtain the structural shape of the part, other easy-to-form materials are used to make the structural shape of the part in advance, and then put into the mold in the sand mold, so a cavity with the same structural size as the part is formed in the sand mold , and then pour a fluid liquid into the cavity, and after the liquid cools and solidifies, it can form a part with exactly the same shape and structure as the mold.

Most of the existing iron casting molds naturally dissipate heat through the mold itself. This heat dissipation method has low heat dissipation efficiency and long cooling time, and is not suitable for large-scale iron casting processing.

Utility model content

The purpose of this utility model is to provide an iron casting mold to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

An iron casting mold, comprising a mold frame, a mold base and a mold cover, a mold base is arranged in the middle of the mold base, a rotating shaft is installed on both sides of the mold base, and the rotating shaft is installed on the inner walls of both sides of the mold base The first bearing is rotationally connected, a mold cavity is opened in the middle of the mold base, a mold cover is arranged on the mold base, a nut is embedded in the mold frame, and a threaded rod is installed in the middle of the nut. The bottom end of the threaded rod is rotatably connected with the second bearing installed on the mold cover, the top end of the threaded rod is equipped with an adjustment hand wheel, and a large transmission gear is installed on the rotating shaft on one side of the mold base. A small transmission gear is installed directly below, a motor is installed on the outside of the mold frame, and the small transmission gear is installed on the output shaft of the motor. Radiating fins are installed directly below the cavity, and a cooling fan is installed at the bottom of the mold base.

As a further solution of the utility model: guide rods are installed on both sides of the threaded rod on the mold cover, and guide holes matching the guide rods are opened on the mold frame.

As a further solution of the utility model: the mold cover is provided with a material injection port, and the material injection port runs through the upper and lower ends of the mold cover.

As a further solution of the present invention: the mold base is provided with positioning holes at the four corners of the mold cavity, and positioning rods are installed at the four corners of the bottom surface of the mold cover, and the positioning rods are set in one-to-one correspondence with the positioning holes.

As a further solution of the present invention: switches are installed on the motor and cooling fan, and the switches are electrically connected to an external power supply.

Compared with the prior art, the beneficial effects of the utility model are:

1. In the utility model, a heat dissipation cavity is set in the mold base, and heat dissipation fins are arranged in the heat dissipation cavity. The setting of the heat dissipation fins can increase the heat dissipation area of the mold cavity. By starting the heat dissipation fan, the heat on the heat dissipation fins can be extracted to achieve The purpose of rapid heat dissipation of the mold can speed up the cooling and forming time of iron castings and the production efficiency of iron castings.

2. The utility model installs a rotating shaft on both sides of the mold base, and a large transmission gear is installed on the rotating shaft. The lower part of the large transmission gear is provided with a small transmission gear meshing with the large transmission gear. When it is necessary to remove the iron castings in the mold base from the mold base When taking it out, the motor can be started, the motor drives the small transmission gear to rotate, the small transmission gear meshes with the large transmission gear, and the large transmission gear drives the mold base to turn down, so that the iron castings in the mold base can be poured out conveniently and the iron castings can be raised. Casting production efficiency.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of an iron casting mold.

Fig. 2 is a three-dimensional structural schematic view of the mold base and the mold cover in Fig. 1 of an iron casting mold.

Fig. 3 is a cross-sectional view of the mold base in Fig. 2 of an iron casting mold.

1. Mold frame; 2. Mold seat; 3. Mold cover; 4. Rotating shaft; 5. First bearing; 6. Large transmission gear; 7. Small transmission gear; 8. Motor; 9. Mold cavity; 10. Positioning hole ; 11, positioning rod; 12, injection port; 13, nut; 14, threaded rod; 15, second bearing; 16, adjusting hand wheel; 17, guide rod; , Cooling fan.

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.

Please refer to Figures 1 to 3. In the embodiment of the present utility model, a mold for iron castings includes a mold frame 1, a mold base 2 and a mold cover 3. A mold base 2 is arranged in the middle of the mold base 1, and the two sides of the mold base 2 A rotating shaft 4 is installed, and the rotating shaft 4 is rotationally connected with the first bearing 5 installed on the inner wall of both sides of the mold frame 1. A mold cavity 9 is provided in the middle of the mold base 2, and a mold cover 3 is arranged on the mold base 2. On the mold base 1 Nut 13 is installed in embedded, and threaded rod 14 is installed in the middle of nut 13, and the bottom end of threaded rod 14 is connected with the second bearing 15 that is installed on the mold cover 3 to rotate, and the top of threaded rod 14 is equipped with adjusting hand wheel 16, and the mold A large transmission gear 6 is installed on the rotating shaft 4 on one side of the seat 2, a small transmission gear 7 is installed directly below the large transmission gear 6, a motor 8 is installed on the outside of the mold frame 1, and the small transmission gear 7 is installed on the output shaft of the motor 8 , when the iron casting in the mold base 2 needs to be taken out from the mold base 2, the motor 8 can be started, and the small transmission gear 7 is driven by the motor 8 to rotate, the small transmission gear 7 meshes with the large transmission gear 6, and the large transmission gear 6 drives The mold base 2 is turned downwards, so that the iron castings in the mold base 2 can be easily poured out, and the production efficiency of iron castings can be improved. The inner bottom of the mold base 2 is provided with a cooling chamber 18, which is installed directly below the mold cavity 9 There are heat dissipation fins 19, and a heat dissipation fan 20 is installed on the bottom of the mold base 2. The setting of the heat dissipation fins 19 can increase the heat dissipation area of the mold cavity 9. By starting the heat dissipation fan 20, the heat on the heat dissipation fins 19 can be extracted to achieve The purpose of rapid heat dissipation of the mold can speed up the cooling and forming time of iron castings and the production efficiency of iron castings.

On the mold cover 3, guide rods 17 are installed on both sides of the threaded rod 14, and the mold frame 1 is provided with guide holes that are compatible with the guide rods 17. Stablize.

A material injection port 12 is opened on the mold cover 3, and the material injection port 12 runs through the upper and lower ends of the mold cover 3. The setting of the material injection port 12 can facilitate personnel to inject the molding material into the mold cavity 9.

The mold base 2 is provided with positioning holes 10 at the four corners of the mold cavity 9, and the four corners of the bottom surface of the mold cover 3 are equipped with positioning rods 11. The positioning rods 11 and the positioning holes 10 are arranged in one-to-one correspondence. Mutual cooperation can improve the accuracy of the cooperation between the mold base 2 and the mold cover 3 .

A switch is installed on the motor 8 and the cooling fan 20, and the switch is electrically connected with an external power supply.

The working principle of the utility model is:

When in use, the threaded rod 14 is driven to rotate by adjusting the hand wheel 16, and the mold cover 3 is moved downwards to cover the mold base 2 through the threaded rod 14, and then iron is injected into the mold cavity 9 of the mold base 2 through the injection port 12. Casting mold material, now the heat in the iron casting mold material in the mold cavity 9 radiates outwards into the heat dissipation cavity 18 through the heat dissipation fins 19 at the bottom of the mold cavity 9, at this time, the heat dissipation fan 20 is turned on, and the heat dissipation fan 20 starts to dissipate heat The heat in the cavity 18 is drawn out quickly, and the external cool wind enters the cooling cavity 18 through the air inlet. Such circulation can speed up the cooling efficiency of the iron casting in the cavity 9, and accelerate the forming of the iron casting. When the iron casting is completely cooled and can be taken out, the reverse Rotate and adjust the hand wheel 16, drive the mold cover 3 to move upward through the threaded rod 14 and leave the mold base 2, then start the motor 8, the motor 8 drives the small transmission gear 7 to rotate, the small transmission gear 7 drives the large transmission gear 6 to rotate, and the large transmission gear 6 Drive the mold base 2 to turn over 90°-180°, and then the personnel take out the iron casting in the mold base 2 by knocking.

Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art can modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principles of the present utility model, any modification, equivalent replacement, improvement, etc. should be included in the protection scope of the present utility model.

Claims (5)

1. The utility model provides an iron casting mould, includes mould frame (1), die holder (2) and mould lid (3), its characterized in that: a die holder (2) is arranged in the middle of the die frame (1), rotating shafts (4) are arranged on two sides of the die holder (2), the rotating shaft (4) is rotationally connected with first bearings (5) arranged on the inner walls of the two sides of the die frame (1), a die cavity (9) is arranged in the middle of the die holder (2), a die cover (3) is arranged on the die holder (2), a nut (13) is embedded on the die frame (1), a threaded rod (14) is arranged in the middle of the nut (13), the bottom end of the threaded rod (14) is rotatably connected with a second bearing (15) arranged on the die cover (3), the top end of the threaded rod (14) is provided with an adjusting hand wheel (16), a large transmission gear (6) is arranged on a rotating shaft (4) at one side of the die holder (2), a small transmission gear (7) is arranged right below the large transmission gear (6), a motor (8) is arranged on the outer side of the die frame (1), the small transmission gear (7) is arranged on an output shaft of the motor (8), a heat dissipation cavity (18) is arranged at the inner bottom of the die holder (2), radiating fins (19) are arranged in the radiating cavity (18) and are positioned right below the die cavity (9), and a heat radiation fan (20) is arranged at the bottom of the die holder (2).

2. An iron casting mold according to claim 1, wherein: guide rods (17) are arranged on the two sides of the threaded rod (14) on the die cover (3), and guide holes matched with the guide rods (17) are formed in the die frame (1).

3. An iron casting mold according to claim 1, wherein: the injection molding machine is characterized in that the mold cover (3) is provided with an injection port (12), and the injection port (12) penetrates through the upper end and the lower end of the mold cover (3).

4. An iron casting mold according to claim 1, wherein: positioning holes (10) are formed in the four corners of the die cavity (9) of the die holder (2), positioning rods (11) are mounted in the four corners of the bottom surface of the die cover (3), and the positioning rods (11) and the positioning holes (10) are arranged in a one-to-one correspondence mode.

5. An iron casting mold according to claim 1, wherein: the motor (8) and the cooling fan (20) are both provided with switches, and the switches are electrically connected with an external power supply.

Images