CN110918882A - Sand mold forming method using high-speed sand mold horizontal molding machine - Google Patents
Sand mold forming method using high-speed sand mold horizontal molding machine Download PDFInfo
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- CN110918882A CN110918882A CN201911271427.4A CN201911271427A CN110918882A CN 110918882 A CN110918882 A CN 110918882A CN 201911271427 A CN201911271427 A CN 201911271427A CN 110918882 A CN110918882 A CN 110918882A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
- B22C15/23—Compacting by gas pressure or vacuum
- B22C15/24—Compacting by gas pressure or vacuum involving blowing devices in which the mould material is supplied in the form of loose particles
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Abstract
A sand mold molding method using a high-speed sand mold horizontal molding machine, comprising: 1) designing a high-speed sand mold horizontal molding machine; 2) starting a controller; 3) the upper sliding table and the lower sliding table move simultaneously; 4) pushing the forming plate between the upper box and the lower box; 5) the upper sliding table and the lower sliding table move simultaneously; 6) the air tank is used for ventilating the sand shooting tank; 7) shooting sand to a sandbox; 8) opening the butterfly-shaped electromagnetic valve, and reducing the pressure of the sand shooting tank to normal pressure; 9) the upper and lower plates move simultaneously to obtain an upper sand mould and a lower sand mould; 10) the upper sliding table and the lower sliding table move simultaneously; 11) the molding cylinder moves, and the two sand molds are stacked together; 12) the upper sliding platform and the lower sliding platform move simultaneously; 13) the lower plate falls to the lowest point; 14) the upper plate rises to the highest point; 15) the upper sliding platform and the lower sliding platform move simultaneously; 16) the lower plate is lifted to be flush with the upper plane of the lower box; 17) the sand mould that will make is released, and is with low costs, has reduced the preparation time greatly, has improved work efficiency, and has practiced thrift the cost of labor, and social and economic benefits are huge.
Description
Technical Field
The invention relates to the field of casting, in particular to a sand mould forming method by using a high-speed sand mould horizontal molding machine.
Background
The sand making mold in the casting industry is necessary, but the prior sand making mold mainly depends on manual production, namely manual mold filling and manual mold changing, has high labor intensity, low production efficiency, poor quality of sand-turning products, particularly manual pressing, is not sanitary, has small sand mold firmness, unsmooth surface of cast products and even sand holes, seriously restricts the production and development of the casting industry, sand dust in the manufacturing process can influence the physical health of workers, heavy manual production is not matched with the requirements of high-speed development of the current science and technology and production mechanization, although the prior casting mold making machine has the appearance, the structure is complex, the cost is high, the efficiency is low, the production efficiency is mostly 30-40 boxes/h, the prior equipment is still manually operated at present, the labor intensity is high, the efficiency is low, how to improve and innovate the prior equipment to increase the production efficiency, and the production cost is reduced, the sand mould can be actually produced into 180 boxes/H of 120 and 180 under the condition of only one person operation, so that no public report is found, and therefore, the existing equipment for manufacturing the sand mould and the method for manufacturing the sand mould need to be further improved and innovated.
Disclosure of Invention
In view of the above problems, it is an object of the present invention to provide a sand mold forming method using a high-speed sand mold horizontal molding machine, which can solve the problems of high labor intensity, low production efficiency and high cost of the prior art.
In order to achieve the above object, the present invention provides a sand mold forming method using a high-speed sand mold horizontal molding machine, comprising the steps of:
1) the high-speed sand mold horizontal molding machine comprises a machine frame, a hydraulic cylinder and a controller, wherein the machine frame consists of a bottom plate, 4 main shafts vertically and upwards arranged at four corners of the bottom plate and an upper top plate arranged at the upper end part of the main shafts, the lower hydraulic cylinder is vertically and upwards arranged at the center of the bottom plate, an upper sliding rod and a lower sliding rod are arranged in the lower hydraulic cylinder, the upper end surface of the sliding rod is fixedly connected with the bottom surface of a lower supporting plate, 2 symmetrical lower cylinders are arranged at the bottom surface of the lower supporting plate, the lower surface of a lower sliding platform is arranged on the lower supporting plate, four corners of the lower sliding platform are arranged on the 4 main shafts in a sliding manner, a lower box with sand shooting holes distributed on four surfaces is arranged on the upper surface of the lower sliding platform, a lower plate is arranged in the lower box, the sliding rods in the 2 lower cylinders penetrate through the lower supporting plate and the lower sliding platform and are fixed with the bottom surface of the lower plate, the four corners, an upper plate is arranged in the upper box, the bottom surface of the upper plate is parallel and opposite to the upper surface of the lower plate, the upper surface of the upper sliding table is fixed with the bottom surface of the upper supporting plate through a connecting plate, 2 upper cylinders are vertically and upwards symmetrically arranged on the upper surface of the upper supporting plate, an upper hydraulic cylinder is arranged in the middle of the upper surface of the upper top plate, a sliding shaft of the upper hydraulic cylinder penetrates through the middle of the top plate and is fixedly connected with the upper top surface of the upper supporting plate, and sliding shafts in the 2 upper cylinders penetrate through the upper supporting plate and the upper sliding table and are fixed with the upper plate;
the upper hydraulic cylinder is connected with the upper sliding table electromagnetic valve through a pipeline, the lower hydraulic cylinder is connected with the lower sliding table electromagnetic valve through a pipeline, the upper cylinder is connected with the upper plate electromagnetic valve through a pipeline, the lower cylinder is connected with the lower plate electromagnetic valve through a pipeline, and the upper sliding table electromagnetic valve, the lower sliding table electromagnetic valve, the upper plate electromagnetic valve and the lower plate electromagnetic valve are respectively connected with the output end of the controller;
2) turning on the controller, rotating a knob of the controller to an automatic gear, and starting the controller;
3) the controller controls the electromagnetic valve for lifting the upper sliding table and the electromagnetic valve for falling the lower sliding table, so as to control the upper hydraulic cylinder and the lower hydraulic cylinder, so that the upper sliding table and the lower sliding table move reversely at the same time, the upper sliding table drives the upper box to lift to a limit point, and the lower sliding table drives the lower box to fall to the limit point;
4) the controller controls the electromagnetic valve of the forming plate to enable the forming cylinder to move and push the forming plate to the middle position of the upper box and the lower box in parallel;
5) the controller controls the electromagnetic valve for falling of the upper sliding table and the electromagnetic valve for rising of the lower sliding table, so that the upper hydraulic cylinder and the lower hydraulic cylinder are controlled, the upper sliding table and the lower sliding table move relatively at the same time, the upper sliding table drives the upper box to fall to a limiting point, the lower sliding table drives the lower box to rise to the limiting point, the lower end surface of the upper box is contacted with the upper end surface of the forming plate to form an upper sandbox, and the upper end surface of the lower box is contacted with the lower end surface of the forming plate to form a lower sandbox;
6) the controller controls the pneumatic electromagnetic valve and the butterfly electromagnetic valve on the sand shooting tank, the air tank is used for ventilating the sand shooting tank, the air pressure in the sand shooting tank is increased to 0.7-0.9M/Pa, and the controller controls the butterfly electromagnetic valve to be closed;
7) the controller controls the sand shooting electromagnetic valve, sand is shot into the upper sand box and the lower sand box from sand shooting holes uniformly distributed on the upper box and the lower box through the sand shooting pot, and the sand shooting pot is closed after the sand is shot into the sand box;
8) the controller controls the butterfly-shaped electromagnetic valve to be opened, and the air pressure in the sand shooting tank is reduced to normal pressure;
9) the controller controls the electromagnetic valve for lifting the lower plate and the electromagnetic valve for falling the upper plate, so as to control the upper cylinder and the lower cylinder, so that the upper plate and the lower plate move relatively at the same time, the lower plate is lifted to a limit position, the upper plate falls to the limit position, and the upper plate and the lower plate extrude sand for molding, thereby obtaining an upper sand mold and a lower sand mold;
10) the controller controls the electromagnetic valve for falling of the lower sliding table and the electromagnetic valve for rising of the upper sliding table, so as to control the upper hydraulic cylinder and the lower hydraulic cylinder, the upper sliding table and the lower sliding table move reversely at the same time, the upper sliding table drives the upper box to rise to the highest point, and the lower sliding table drives the lower box to fall to the lowest point;
11) the controller controls the electromagnetic valve of the forming plate to enable the forming cylinder to move, the forming plate is drawn back from the upper box and the lower box, and the upper sand mould and the lower sand mould are in contact and stacked together;
12) the controller controls the electromagnetic valve for lifting the lower sliding table and the electromagnetic valve for falling the upper sliding table, so as to control the upper hydraulic cylinder and the lower hydraulic cylinder, the upper sliding table and the lower sliding table move relatively at the same time, the upper sliding table drives the upper box to fall to the lowest point, and the lower sliding table drives the lower box to rise to the highest point;
13) the controller controls the electromagnetic valve of the lower plate to fall, and the lower plate falls to the lowest point;
14) the controller controls the electromagnetic valve of the upper plate to lift, and the upper plate rises to the highest point;
15) the controller controls the electromagnetic valve for lifting the upper sliding table and the electromagnetic valve for falling the lower sliding table, so as to control the upper hydraulic cylinder and the lower hydraulic cylinder, the upper sliding table and the lower sliding table move in opposite directions at the same time, the upper sliding table drives the upper box to lift to the highest point, and the lower sliding table drives the lower box to fall to the lowest point;
16) the controller controls an electromagnetic valve of the lower plate to lift, and the lower plate is lifted to be flush with the upper plane of the lower box;
17) the controller controls the forming plate electromagnetic valve and the push plate electromagnetic valve, the push plate at the end part of the forming plate is vertical to the forming plate, the forming cylinder moves, the forming plate is pushed out again, and the push plate at the end part pushes out the manufactured sand mold.
The sand mould forming method has low cost and simple operation, greatly shortens the manufacturing time, improves the working efficiency, saves the labor cost and has huge social and economic benefits by simultaneously moving the upper sliding table, the lower sliding table, the upper offside plate and the lower offside plate.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a side view of the present invention.
FIG. 3 is a structural view of a molding plate of the present invention.
FIG. 4 is a view showing a vertical structure of a molding plate according to the present invention.
Detailed Description
The following detailed description of the embodiments of the invention is provided in connection with the accompanying drawings and the detailed description.
With reference to the attached drawings, the sand mould forming method by using the high-speed sand mould horizontal molding machine comprises the following steps:
1) the high-speed sand mold horizontal molding machine comprises a machine frame, a hydraulic cylinder and a controller, wherein the machine frame consists of a bottom plate 4, 4 main shafts 16 vertically and upwards arranged at four corners of the bottom plate 4 and an upper top plate 1 arranged at the upper end part of the main shafts 16, a lower hydraulic cylinder 7 is vertically and upwards arranged at the center of the bottom plate 4, an upper sliding rod 7-1 and a lower sliding rod 7-1 are arranged in the lower hydraulic cylinder 7, the upper end surface of the sliding rod 7-1 is fixedly connected with the bottom surface of a lower supporting plate 12, 2 symmetrical lower cylinders 8 are arranged at the bottom surface of the lower supporting plate 12, the lower surface of a lower sliding table 3 is arranged on the lower supporting plate 12, the four corners of the lower sliding table 3 are arranged on the 4 main shafts 16 in a sliding manner, a lower box 9 with sand ejecting holes uniformly distributed on four sides is arranged on the upper surface of the lower sliding table 3, a lower plate 13 is arranged in the lower box 9, the sliding rods in the 2 lower cylinders, four corners of the upper sliding table 2 are slidably arranged on 4 main shafts 16, an upper box 10 with sand jetting holes uniformly distributed on four sides is arranged on the bottom surface of the upper sliding table 2, an upper position plate 15 is arranged in the upper box 10, the bottom surface of the upper position plate 15 is parallel and opposite to the upper surface of the lower position plate 13, the upper surface of the upper sliding table 2 is fixed with the bottom surface of the upper supporting plate 11 through a connecting plate 14, 2 upper cylinders 6 are vertically and upwards symmetrically arranged on the upper supporting plate 11, an upper hydraulic cylinder 5 is arranged in the middle of the upper surface of the upper top plate 1, a sliding shaft 5-1 of the upper hydraulic cylinder 5 penetrates through the middle of the top plate 1 and is fixedly connected with the upper top surface of the upper supporting plate 11, and sliding shafts in the 2 upper cylinders 6 penetrate through the upper supporting plate 11 and;
the upper hydraulic cylinder 5 is connected with the upper sliding table electromagnetic valve through a pipeline, the lower hydraulic cylinder 7 is connected with the lower sliding table electromagnetic valve through a pipeline, the upper cylinder 6 is connected with the upper plate electromagnetic valve through a pipeline, the lower cylinder 8 is connected with the lower plate electromagnetic valve through a pipeline, and the upper sliding table electromagnetic valve, the lower sliding table electromagnetic valve, the upper plate electromagnetic valve and the lower plate electromagnetic valve are respectively connected with the output end of the controller;
2) turning on the controller, rotating a knob of the controller to an automatic gear, and starting the controller;
3) the controller controls an electromagnetic valve for lifting the upper sliding table and an electromagnetic valve for falling the lower sliding table, so as to control the upper hydraulic cylinder 5 and the lower hydraulic cylinder 7, so that the upper sliding table 2 and the lower sliding table 3 move reversely at the same time, the upper sliding table 2 drives the upper box 10 to lift to a limit point, and the lower sliding table 3 drives the lower box 9 to fall to the limit point;
4) the controller controls the electromagnetic valve of the forming plate to make the forming cylinder move and push the forming plate to the middle position between the upper box 10 and the lower box 9 in parallel;
5) the controller controls an electromagnetic valve for falling of the upper sliding table and an electromagnetic valve for rising of the lower sliding table, so that an upper hydraulic cylinder 5 and a lower hydraulic cylinder 7 are controlled, the upper sliding table 2 and the lower sliding table 3 move relatively at the same time, the upper sliding table 2 drives the upper box 10 to fall to a limiting point, the lower sliding table 3 drives the lower box 9 to rise to the limiting point, the lower end face of the upper box 10 is in contact with the upper end face of the forming plate to form an upper sandbox, and the upper end face of the lower box 9 is in contact with the lower end face of the forming plate to form a lower sandbox;
6) the controller controls the pneumatic electromagnetic valve and the butterfly electromagnetic valve on the sand shooting tank, the air tank is used for ventilating the sand shooting tank 17, the air pressure in the sand shooting tank 17 is increased to 0.7-0.9M/Pa, and the controller controls the butterfly electromagnetic valve to be closed;
7) the controller controls the sand shooting electromagnetic valve, sand is shot into the upper sand box and the lower sand box from sand shooting holes uniformly distributed on the upper box 10 and the lower box 9 through the sand shooting pot 17, and the sand shooting pot is closed after the sand is shot into the sand box;
8) the controller controls the butterfly-shaped electromagnetic valve to be opened, and the air pressure in the sand shooting tank 17 is reduced to normal pressure;
9) the controller controls the electromagnetic valve for lifting the lower plate and the electromagnetic valve for falling the upper plate, so as to control the upper cylinder 6 and the lower cylinder 8, so that the upper plate and the lower plate move relatively at the same time, the lower plate 13 is lifted to the limit position, the upper plate 15 falls to the limit position, and the upper plate and the lower plate extrude sand for molding, thus obtaining an upper sand mold and a lower sand mold;
10) the controller controls the electromagnetic valve for falling of the lower sliding table and the electromagnetic valve for rising of the upper sliding table, so as to control the upper hydraulic cylinder 5 and the lower hydraulic cylinder 7, the upper sliding table 2 and the lower sliding table 3 move reversely at the same time, the upper sliding table 2 drives the upper box 10 to rise to the highest point, and the lower sliding table 3 drives the lower box 9 to fall to the lowest point;
11) the controller controls the electromagnetic valve of the forming plate to make the forming cylinder move, the forming plate is drawn back from the space between the upper box 10 and the lower box 9, and the upper sand mould and the lower sand mould are in contact and stacked together;
12) the controller controls the electromagnetic valve for lifting the lower sliding table and the electromagnetic valve for falling the upper sliding table, so as to control the upper hydraulic cylinder 5 and the lower hydraulic cylinder 7, the upper sliding table and the lower sliding table move relatively at the same time, the upper sliding table 2 drives the upper box 10 to fall to the lowest point, and the lower sliding table 3 drives the lower box 9 to rise to the highest point;
13) the controller controls the electromagnetic valve of the lower plate to fall, and the lower plate 13 falls to the lowest point;
14) the controller controls the electromagnetic valve of the upper plate to lift, and the upper plate 15 rises to the highest point;
15) the controller controls an electromagnetic valve for lifting the upper sliding table and an electromagnetic valve for falling the lower sliding table, so as to control an upper hydraulic cylinder 5 and a lower hydraulic cylinder 7, the upper sliding table and the lower sliding table move in opposite directions at the same time, the upper sliding table 2 drives the upper box 10 to lift to the highest point, and the lower sliding table 3 drives the lower box 9 to fall to the lowest point;
16) the controller controls the electromagnetic valve of the lower plate to lift, and the lower plate 13 rises to be flush with the upper plane of the lower box 10;
17) the controller controls the forming plate electromagnetic valve and the push plate electromagnetic valve, the push plate 18-1 at the end part of the forming plate is vertical to the forming plate, the forming cylinder moves, the forming plate is pushed out again, and the push plate 18-1 at the end part pushes out the manufactured sand mold.
In order to ensure better implementation effect, the sand mould molding machine is arranged in a shell, a controller is arranged outside the shell, and the controller is a PLC (programmable logic controller) (not shown in the figure).
The molding plate is arranged in a shell (not shown) outside the sand mold molding machine and consists of a push plate 18-1 at the end part and a molding plate body 18 hinged with the push plate, and the push plate 18-1 is controlled by a controller to enable a push plate electromagnetic valve to be positioned on the same plane or vertical to the molding plate body and used for pushing out a sand mold in a vertical state.
The upper sliding table 2 and the lower sliding table 3 are respectively provided with a sliding table displacement sensor connected with the controller, the upper sliding table and the lower sliding table are respectively connected with a signal input end of the displacement sensor, a signal output end of the displacement sensor is connected with the controller, signals in the sliding process of the upper sliding table and the lower sliding table are transmitted to the controller through the displacement sensor, the upper sliding table and the lower sliding table stop moving after reaching a specified value, and a limit point, a highest point and a lowest point are reached.
The lower plate 13 and the upper plate 15 are respectively provided with a sliding table displacement sensor connected with the controller, the upper and lower offsetable plates are respectively connected with a signal input end of the displacement sensor, a signal output end of the displacement sensor is connected with the controller, signals in the sliding process of the upper and lower offsetable plates are transmitted to the controller through the displacement sensor, and after reaching a specified numerical value, the upper and lower offsetable plates stop moving to reach a limit point, a highest point and a lowest point.
The upper sliding table 2 and the lower sliding table 3 are both formed by transverse flat plates and sliding blocks arranged at four corners of the flat plates, a sliding hole is formed in the center of each sliding block, and the main shaft 16 is positioned in the sliding hole to form an upper sliding structure and a lower sliding structure of the sliding tables.
The sand mold molding machine has the advantages of simple structure, convenient operation and use, high automation degree, small labor intensity and high production efficiency, the upper hydraulic cylinder and the lower hydraulic cylinder move simultaneously, the sliding time of the upper sliding table and the lower sliding table on the main shaft is reduced, the upper cylinder controls the upper plate to reach the highest point, namely, the position of a sand mold to be separated is reached, the sliding stroke of the sand mold to be separated is reduced, the production efficiency reaches 17-20 s for each box through field experiments and use, the average efficiency is improved by about 58% compared with the current 35-55 s for each box, the sand mold molding machine has high stability through multiple experiments, the production cost of the sand mold produced by using the sand mold molding machine is greatly reduced, the cost can be reduced by more than 5% through experimental tests, the raw materials are saved, the manufacturing cost is low, and the social and economic benefits are obvious.
Claims (6)
1. A sand mold molding method using a high-speed sand mold horizontal molding machine is characterized by comprising the following steps:
1) the designed high-speed sand mold molding machine comprises a machine frame, a hydraulic cylinder and a controller, wherein the machine frame consists of a bottom plate (4), 4 main shafts (16) vertically and upwards arranged at four corners of the bottom plate (4) and an upper top plate (1) arranged at the upper end part of the main shafts (16), a lower hydraulic cylinder (7) is vertically and upwards arranged at the center of the bottom plate (4), an upper sliding rod (7-1) and a lower sliding rod (7-1) are arranged in the lower hydraulic cylinder (7), the upper end surface of the sliding rod (7-1) is fixedly connected with the bottom surface of a lower supporting plate (12), 2 symmetrical lower cylinders (8) are arranged at the bottom surface of the lower supporting plate (12), the lower part of the lower sliding table (3) is arranged on the upper part of the lower supporting plate (12), four corners of the lower sliding table (3) are arranged on the 4 main shafts (16) in a sliding manner, lower boxes (9) with sand injection holes uniformly distributed on four sides are arranged on the upper, the sliding rods in the 2 lower cylinders (8) penetrate through the lower supporting plate (12) and the lower sliding table (3) and are fixed with the bottom surface of the lower plate (13), four corners of the upper sliding table (2) are slidably arranged on 4 main shafts (16), an upper box (10) with sand ejecting holes distributed on four sides is arranged on the bottom surface of the upper sliding table (2), an upper plate (15) is arranged in the upper box (10), the bottom surface of the upper plate (15) is parallel and opposite to the upper surface of the lower plate (13), the upper surface of the upper sliding table (2) is fixed with the bottom surface of the upper supporting plate (11) through a connecting plate (14), the 2 upper cylinders (6) are vertically and symmetrically arranged on the upper surface of the upper supporting plate (11) upwards, the upper hydraulic cylinder (5) is arranged in the middle of the upper top plate (1), sliding shafts (5-1) of the upper hydraulic cylinder (5) penetrate through the middle of the top plate (1) and are fixedly connected with the upper top surface of the upper supporting plate (11), and shafts in the 2 upper cylinders (6) penetrate through the upper supporting plate (11) and the upper sliding table ( 14) Are fixed together;
the upper hydraulic cylinder (5) is connected with the upper sliding table electromagnetic valve through a pipeline, the lower hydraulic cylinder (7) is connected with the lower sliding table electromagnetic valve through a pipeline, the upper cylinder (6) is connected with the upper plate electromagnetic valve through a pipeline, the lower cylinder (8) is connected with the lower plate electromagnetic valve through a pipeline, and the upper sliding table electromagnetic valve, the lower sliding table electromagnetic valve, the upper plate electromagnetic valve and the lower plate electromagnetic valve are respectively connected with the output end of the controller;
2) turning on the controller, rotating a knob of the controller to an automatic gear, and starting the controller;
3) the controller controls an electromagnetic valve for lifting the upper sliding table and an electromagnetic valve for falling the lower sliding table, so that an upper hydraulic cylinder (5) and a lower hydraulic cylinder (7) are controlled, the upper sliding table (2) and the lower sliding table (3) move reversely at the same time, the upper sliding table (2) drives the upper box (10) to lift to a limiting point, and the lower sliding table (3) drives the lower box (9) to fall to the limiting point;
4) the controller controls the electromagnetic valve of the forming plate to enable the forming cylinder to move and push the forming plate to the middle position of the upper box (10) and the lower box (9) in parallel;
5) the controller controls an electromagnetic valve for falling of the upper sliding table and an electromagnetic valve for rising of the lower sliding table, so that an upper hydraulic cylinder (5) and a lower hydraulic cylinder (7) are controlled, the upper sliding table (2) and the lower sliding table (3) move relatively at the same time, the upper sliding table (2) drives the upper box (10) to fall to a limiting point, the lower sliding table (3) drives the lower box (9) to rise to the limiting point, the lower end face of the upper box (10) is in contact with the upper end face of the forming plate to form an upper sandbox, and the upper end face of the lower box (9) is in contact with the lower end face of the forming plate to form a lower;
6) the controller controls the pneumatic electromagnetic valve and the butterfly electromagnetic valve on the sand shooting tank, the air tank is used for ventilating the sand shooting tank (17), the air pressure in the sand shooting tank (17) is increased to 0.7-0.9M/Pa, and the controller controls the butterfly electromagnetic valve to be closed;
7) the controller controls the sand shooting electromagnetic valve, sand is shot into the upper sand box and the lower sand box from sand shooting holes uniformly distributed on the upper sand box (10) and the lower sand box (9) through the sand shooting pot (17), and the sand shooting pot is closed after the sand is shot into the sand boxes;
8) the controller controls the butterfly-shaped electromagnetic valve to be opened, and the air pressure in the sand shooting tank (17) is reduced to normal pressure;
9) the controller controls the electromagnetic valve for lifting the lower plate and the electromagnetic valve for falling the upper plate, so as to control the upper cylinder (6) and the lower cylinder (8) to enable the upper plate and the lower plate to move relatively at the same time, the lower plate (13) is lifted to a limit position, the upper plate (15) falls to the limit position, and the upper plate and the lower plate extrude sand for molding, so that an upper sand mold and a lower sand mold are obtained;
10) the controller controls the electromagnetic valve for falling of the lower sliding table and the electromagnetic valve for rising of the upper sliding table, so as to control the upper hydraulic cylinder (5) and the lower hydraulic cylinder (7), the upper sliding table (2) and the lower sliding table (3) move in reverse directions simultaneously, the upper sliding table (2) drives the upper box (10) to rise to the highest point, and the lower sliding table (3) drives the lower box (9) to fall to the lowest point;
11) the controller controls the electromagnetic valve of the forming plate to enable the forming cylinder to move, the forming plate is drawn back from the space between the upper box (10) and the lower box (9), and the upper sand mould and the lower sand mould are in contact and stacked together;
12) the controller controls the electromagnetic valve for lifting the lower sliding table and the electromagnetic valve for falling the upper sliding table, so as to control the upper hydraulic cylinder (5) and the lower hydraulic cylinder (7), the upper sliding table and the lower sliding table move relatively at the same time, the upper sliding table (2) drives the upper box (10) to fall to the lowest point, and the lower sliding table (3) drives the lower box (9) to rise to the highest point;
13) the controller controls the electromagnetic valve of the lower plate to fall, and the lower plate (13) falls to the lowest point;
14) the controller controls the electromagnetic valve of the upper plate to lift, and the upper plate (15) lifts to the highest point;
15) the controller controls an electromagnetic valve for lifting the upper sliding table and an electromagnetic valve for falling the lower sliding table, so as to control an upper hydraulic cylinder (5) and a lower hydraulic cylinder (7), the upper sliding table and the lower sliding table move in opposite directions at the same time, the upper sliding table (2) drives the upper box (10) to rise to the highest point, and the lower sliding table (3) drives the lower box (9) to fall to the lowest point;
16) the controller controls an electromagnetic valve of the lower plate to lift, and the lower plate (13) rises to be flush with the upper plane of the lower box (10);
17) the controller controls the forming plate electromagnetic valve and the push plate electromagnetic valve, the push plate (18-1) at the end part of the forming plate is vertical to the forming plate, the forming cylinder moves, the forming plate is pushed out again, and the push plate (18-1) at the end part pushes out the manufactured sand mold.
2. A method of sand molding using a high speed horizontal sand molding machine as claimed in claim 1 wherein the sand molding machine is housed in a housing and the controller is housed outside the housing, the controller being a PLC program controller.
3. The sand mold molding method using a high-speed sand mold horizontal molding machine according to claim 1, wherein the molding plate is installed in a housing outside the sand mold molding machine and is composed of a push plate (18-1) at an end portion and a molding plate body (18) hinged to the push plate, and the push plate (18-1) is controlled by the controller to be in the same plane as or perpendicular to the molding plate body for pushing out the sand mold in a perpendicular state.
4. A sand mould forming method using a high speed sand mould horizontal moulding machine according to claim 1, characterised in that the upper slide (2) and the lower slide (3) are each provided with a slide displacement sensor connected to a controller.
5. A sand mould forming method using a high speed sand mould horizontal moulding machine according to claim 1, characterised in that the lower plate (13) and the upper plate (15) are each provided with a slide table displacement sensor connected to a controller.
6. The sand mold forming method using the high-speed sand mold horizontal molding machine according to claim 1, wherein the upper slide (2) and the lower slide (3) are each formed by a horizontal plate and slide blocks mounted at four corners of the plate, each slide block has a slide hole at the center, and the main shaft (16) is located in the slide hole to form an upper and lower slide structure of the slide.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111360210A (en) * | 2020-04-24 | 2020-07-03 | 邢现军 | Four-station horizontal static pressure flask-separating molding machine |
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| CN203751279U (en) * | 2014-03-07 | 2014-08-06 | 南京亚力电气有限公司 | Horizontal parting type removable flask molding machine with compact structure and smooth movement |
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