CN201179549Y - A double-station iron mold sand-covered molding machine - Google Patents

Abstract

The utility model discloses a double-station iron mold sand-coated molding machine. The conveying process of the iron mold inside the double-station iron mold sand-coated molding machine adopts one-way conveying, which simplifies the transportation of the iron mold inside the molding machine. The conveying method makes the iron mold enter from one side and output from the other side, so that the iron mold can be conveyed more smoothly. The change of the conveying method of the iron mold inside the molding machine has led to the simplification of the conveying line outside the molding machine, which can realize that one conveying line can serve the double-station iron mold sand-coated molding machine, reducing the production line footprint area. Therefore, the use of the double-station iron mold sand-coated molding machine has the advantages of high production efficiency and low production line configuration requirements.

Description

A double-station iron mold sand-covered molding machine

technical field

The utility model relates to a double-station iron-type sand-coated molding machine, in particular to a conveying structure of the double-station iron-type sand-coated molding machine.

Background technique

With the development of my country's automobile industry, iron mold sand-covered casting technology has become more and more widely used. The core equipment of the iron mold sand-covered casting production line is a double-station molding machine. In the prior art, the double-station iron mold sand-coated molding machine includes two mold opening and closing station assemblies and a sand-shooting station assembly, which can complete the sand-shooting molding of the upper and lower iron molds at the same working position. As shown in Fig. 1, the structure schematic diagram of the dual-station iron mold sand-coated molding machine in the prior art, the mold opening and closing station assembly includes a mold opening and closing mold cylinder 1, a workbench 2, and a roller table 3 for iron molds. The top of the opening and closing mold cylinder 1 is provided with a roller table, and the workbench 2 is located above the roller table. Under the action of the opening and closing mold cylinder 1, the workbench 2 can move vertically up and down. Dies are installed on the workbench 2, and the molds inside the two mold opening and closing station assemblies are different. The iron mold can slide along the roller table 3 above the workbench 2, and there is a section distance between it and the workbench 2. During the upward movement of the workbench 2, the mold placed on the workbench 2 can be extended into the working surface where the roller table 3 for the iron mold is located, so that the iron mold placed on the roller table 3 for the iron mold can be placed on the workbench 2. The molds are merged, and the iron mold is separated from the roller table 3 for the iron mold to form a mold clamping state. The sand shooting station assembly includes a jacking cylinder 4, a sand shooting roller table 5, and a sand shooting mechanism 6. Jacking cylinder 4 also can vertically move up and down. The sand-shooting roller table 5 is located at the top of the jacking cylinder 4 and the bottom of the sand-shooting mechanism 6 . The workbench 2 working height after the rise is equal to the sand shooting roller table 5. The working surface of the sand-shooting mechanism 6 is higher than the working surface of the roller table 3 for the iron mold. When working, the iron mold that has been merged at any mold opening and closing station is pushed into the sand shooting station, and the iron mold is lifted up by the jacking cylinder 4 until it is connected with the sand shooting mechanism 6, and then the sand shooting molding is carried out. Complete the return from the original road, and then the merged iron mold on another mold opening and closing station is pushed into the sand shooting station for molding, and return from the original road after the sand shooting is completed. The iron mold that molding completes is solidified again, and the opening and closing mold cylinder 1 descends, and the mold on the workbench 2 breaks away from the iron mold, and the iron mold is shelved on the iron mold with the roller table 3, and completes mold opening.

The existing double-station iron mold sand-covered molding machine must be equipped with a complicated conveying line when used. As shown in Figure 2, the solid arrow indicates the conveying route of the upper iron mold, and the hollow arrow indicates the conveying route of the lower iron mold. This is because any finished iron mold enters and exits the double-station iron mold sand-covered molding machine from the same opening and closing station assembly, that is, there are two output positions for the iron mold, and the iron mold is inside the molding machine. The conveying method is relatively cumbersome, and to convey the iron mold into or out, it is necessary to set up independently working conveying lines at the two mold opening and closing stations. The production line formed by the two conveying lines has complex structure and low production efficiency. The conveying line set around the double-station iron mold sand-coated molding machine includes multiple steering connection mechanisms and roller tables, resulting in a large workload for iron mold transportation. big.

Utility model content

The technical problem to be solved by the utility model is to provide a double-station iron mold sand-coated molding machine, which simplifies the transportation mode of the iron mold inside the double-station iron mold sand-coated molding machine and reduces the use of the double-station iron mold sand-coated molding machine. Conveying lines required for sand molding machines.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical scheme: the double-station iron mold sand-coated molding machine includes two mold opening and closing station assemblies, and a sand shooter arranged in the middle of the two mold opening and closing station assemblies. The mold opening and closing station assembly is provided with a roller table for iron molds, and the sand shooting station assembly includes a column, a sand shooting mechanism and a jacking cylinder, and the sand shooting roller table is provided on the jacking cylinder , the sand shooting mechanism is fixedly connected to the column, the sand shooting roller table is located below the sand shooting mechanism, and an intermediate roller table is also provided on the column, and the intermediate roller table is located between the sand shooting mechanism and the sand shooting roller table Between, the middle roller table is at the same height as the iron type roller table.

As a preference of the present utility model, the width of the middle roller table is the same as that of the iron mold roller table. In this way, it can be completely guaranteed that the iron mold on the iron mold roller table can pass through the sand shooting station and enter another mold opening and closing station smoothly no matter from which direction after the sand shooting molding is completed, so as to avoid the iron mold roller table from going to the middle The problem of inconsistent connection between the roller table and the roller table for iron molds.

As another preference of the present utility model, the intermediate roller table is parallel to the sand shooting roller table. During the sand shooting molding process, the iron mold enters and exits the sand shooting station to keep the original position, so as to ensure that the internal mold of the iron mold is fixed.

As another preference of the present utility model, the distance between the middle roller table and the roller tables for adjacent iron molds on both sides is equal. The middle roller table is separated from the iron type roller table to facilitate the disassembly and maintenance of the middle roller table.

As another preference of the present invention, the length of the middle roller table is longer than that of the sand shooting roller table. The distance between the middle roller table and the roller tables adjacent to the iron mold on both sides is small, which further ensures that the iron mold on the iron mold roller table can pass through the sand shooting station smoothly no matter from any direction after the sand shot molding is completed. Enter on another mold opening and closing station.

After the utility model adopts the above-mentioned technical scheme, the conveying process of the iron mold inside the double-station iron mold sand-coated molding machine adopts one-way conveying, which simplifies the conveying mode of the iron mold inside the molding machine, so that the iron mold can be transported from one to the other. Input from one side and output from the other side, so that the delivery of iron mold becomes smoother. The change of the conveying method of the iron mold inside the molding machine has led to the simplification of the conveying line outside the molding machine, which can realize that one conveying line can serve the double-station iron mold sand-coated molding machine, reducing the production line footprint area. Therefore, the use of the double-station iron mold sand-coated molding machine has the advantages of high production efficiency and low production line configuration requirements.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment the utility model is described further in detail.

Fig. 1 is the structural representation of double-station iron type sand-covered molding machine in the prior art;

Fig. 2 is the production line structural representation of double-station iron type sand-covered molding machine in the prior art;

Fig. 3 is a structural schematic diagram of a double-station iron sand-covered molding machine of the present invention;

Fig. 4 is a schematic diagram of the production line structure of a double-station iron sand-coated molding machine of the present invention.

Specific real-time mode

As shown in Figure 3, the double-station iron mold sand-coated molding machine is provided with two mold opening and closing station assemblies and one sand shooting station assembly. The three are arranged in sequence, and the sand shooting station assembly is located in the middle of the two mold opening and closing station assemblies, thereby forming a structure of mold opening and closing station-sand shooting station-opening and closing mold station. The mold opening and closing station assembly includes a mold opening and closing cylinder 1, a workbench 2, and a roller table 3 for iron molds. The top of the opening and closing mold cylinder 1 is horizontally provided with a roller table, and the workbench 2 is positioned above the roller table and can slide along the roller table. Under the action of the opening and closing mold cylinder 1, the workbench 2 can move vertically up and down. The iron mold is horizontally arranged on the top of the workbench 2 with the roller table 3, and there is a section distance between it and the workbench 2. During the upward movement of the workbench 2, the mold placed on the workbench 2 can be extended into the working surface where the roller table 3 for the iron mold is located, so that the iron mold placed on the roller table 3 for the iron mold can be placed on the workbench 2. The molds are merged, and the iron mold is separated from the iron mold with roller table 3. The sand shooting station assembly includes a column 7, a sand shooting mechanism 6, a jacking cylinder 4 and an intermediate roller table 8. The sand shooting roller table 5 is horizontally arranged on the top of the jacking cylinder 4, and the working height of the sand shooting roller table 5 is the highest working height of the roller table at the top of the opening and closing mold cylinder 1. When the opening and closing mold cylinder 1 rises to the highest point, The roller table on the top of the opening and closing mold cylinder 1 and the sand shooting roller table 5 are just at the same working height. The sand-shooting mechanism 6 and the intermediate roller table 8 are all fixedly connected to the column 7, and the intermediate roller table 8 is located below the sand-shooting mechanism 6, and the intermediate roller table 8 is in a horizontal state. Below the middle roller table 8 is the sand shooting roller table 5, the length of the middle roller table 8 is greater than the length of the sand shooting roller table 5, the middle roller table 8 and the sand shooting roller table 5 are in a horizontal state, so they are parallel up and down relation. The jacking cylinder 4 can move vertically up and down, and then drives the sand-shooting roller table 5 to move vertically, but the range of motion of the sand-shooting roller table 5 is below the middle roller table 8.

The working height of the roller table 3 and the intermediate roller table 8 is the same for iron molds, so their working surfaces are all located on the same level. The middle roller table 8 faces the same direction as the iron mold roller table 3, so that the same object can pass through both in a horizontal motion. Intermediate roller table 8 width is identical with roller table 3 widths of iron mold, the distance of fixed width is spaced between the two, and the distance between intermediate roller table 8 and both sides adjacent iron mold roller table 3 is equal.

When working, the upper and lower iron molds are pushed in from one side of the molding machine, and the iron mold in the front position enters the mold opening and closing station on the other side through the middle roller table, and the two iron molds are in the two mold opening and closing stations respectively. Finish the mold. Then, the iron molds merged at any mold opening and closing station are pushed into the sand-shooting station, and the iron molds are lifted up by the jacking cylinder 4 until they are connected with the sand-shooting mechanism 6, and then the sand-shooting molding is carried out. Return to the mold opening and closing station on the original road, and then the combined iron mold on another mold opening and closing station is pushed into the sand shooting station for molding, and return to the mold opening and closing station from the original road after the sand shooting is completed. The iron mold that molding completes is solidified again, and the opening and closing mold cylinder 1 descends, and the mold on the workbench 2 breaks away from the iron mold, and the iron mold is shelved on the iron mold roller table 3, and completes mold opening. Then, the iron mold on any mold opening and closing station is pushed to the opening and closing mold station on the other side by the middle roller table 8, so that both iron molds are output from one side mold opening and closing station. Compared with the original double-station iron mold sand-covered molding machine, the utility model has a simple way of conveying iron molds inside. The iron molds are only input from one side and output from the other side, making the iron mold transportation more smooth. . As shown in Figure 4, there is only one conveying line laid on the periphery of the double-station iron mold sand-coated molding machine. Either end of the double-station iron-type sand-coated molding machine is output on the conveying line. Therefore, the production line structure of the double-station iron-type sand-coated molding machine is simple and occupies a small area.

Claims (5)

1. A double-station iron mold sand-covered molding machine, which includes two mold opening and closing station assemblies, and a sand shooting station assembly arranged in the middle of the two mold opening and closing station assemblies, the mold opening and closing station assembly A roller table (3) for iron molds is provided on the station assembly, and the sand shooting station assembly includes a column (7), a sand shooting mechanism (6) and a jacking cylinder (4), and the jacking cylinder (4) A sand shooting roller table (5) is provided, the sand shooting mechanism (6) is fixedly connected to the column (7), the sand shooting roller table (5) is located below the sand shooting mechanism (6), and it is characterized in that: The column (7) is also provided with an intermediate roller table (8), the intermediate roller table (8) is located between the sand shooting mechanism (6) and the sand shooting roller table (5), and the intermediate roller table (8 ) is at the same height as the iron mold roller table (3). 2. The double-station iron mold sand-coated molding machine according to claim 1, characterized in that the width of the intermediate roller table (8) is the same as that of the iron mold roller table (3). 3. The double-station iron mold sand-coated molding machine according to claim 1 or 2, characterized in that: the middle roller table (8) is parallel to the sand-shooting roller table (5). 4. The double-station iron mold sand-coated molding machine according to claim 3, characterized in that: the distance between the middle roller table (8) and the adjacent iron mold roller tables (3) on both sides is equal. 5. The double-station iron type sand-coated molding machine according to claim 4, characterized in that: the length of the middle roller table (8) is longer than the length of the sand-shooting roller table (5).

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