Sand casting device for machining metal casting parts

Abstract

The utility model discloses a foundry device for processing metal casting parts, which relates to the technical field of metal casting part processing and comprises a foundry casting box and a flattening auxiliary cover, and a limit disc is fixedly mounted on the edge of the surface of one side of the foundry casting box. Limiting discs are arranged at multiple positions of the side face of a foundry casting box, bolt limiting rods are arranged at the four corners of the outer side of a flattening auxiliary cover, a metal casting needing to be subjected to injection molding is placed in the foundry casting box, then sand is placed in the foundry casting box, the bolt limiting rods are inserted into limiting bolt grooves, and the metal casting is subjected to injection molding; the sand body is placed in the sand casting box, the flattening auxiliary cover is used for pressing and compacting the sand body, then the whole sand casting box is turned over through the turning auxiliary handle, the sand body is placed in the sand casting box again, the flattening auxiliary cover is used for pressing and compacting the sand body again, and finally the metal casting is taken out. And metal liquid is injected into a groove body generated by the metal casting to finish injection molding.

Description

Technical Field

[0001] The utility model relates to the technical field of metal casting processing, in particular to a sand casting device for processing metal castings. Background Art

[0002] Sand casting refers to using clay-bonded sand as the molding material to produce castings. It is a process method with a long history and the widest application range. Speaking of its long history, it can be traced back thousands of years ago; in terms of its application range, it can be said that there is no place in the world where it is not used. Sand casting is a production method in which molten metal is poured into the cavity of a casting mold and cooled and solidified to obtain a product. At present, the operation of the existing casting sand casting device is very troublesome, and manual extrusion of sand is required, resulting in low efficiency and being not conducive to use. In order to increase the convenience of using the sand casting device for processing metal castings and improve the processing efficiency of metal castings, we redesigned a sand casting device for processing metal castings. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a sand casting device for processing metal castings.

[0004] To solve the above technical problems, the utility model provides the following technical solutions: A sand casting device for processing metal castings includes a sand casting box and a flattening auxiliary cover. A limiting disk is fixedly installed on the edge of one side surface of the sand casting box, and a limiting pin slot is opened on one side surface of the limiting disk. Turning auxiliary handles are fixedly installed at both top ends of the sand casting box. A connecting disk is fixedly connected to the top end of one side of the flattening auxiliary cover, and a pin limiting rod is fixedly connected to the bottom end of one side of the connecting disk. Pressing auxiliary handles are fixedly installed at the edges of both top ends of the flattening auxiliary cover.

[0005] Preferably, the number of the limiting disks is several, and several limiting disks are distributed at the four corners of the bottom end and the four corners of the top end of the sand casting box. The positions of the pin limiting rod and the limiting pin slot correspond one by one, and the connection relationship between the pin limiting rod and the limiting pin slot is a movable clamping connection.

[0006] Preferably, the cross-sectional area of the flattening auxiliary cover is the same as the cross-sectional area of the sand casting box, and the length of the pin limiting rod is less than half of the cross-sectional height of the sand casting box.

[0007] Preferably, a first horizontal slide rail is fixedly installed at the top end of the side surface of the sand casting box, a first installation side plate is fixedly installed at the top end of one side of the first horizontal slide rail, a second installation side plate is fixedly installed at the bottom end of the side surface of the sand casting box close to the first horizontal slide rail, and a second horizontal slide rail is fixedly installed at the top end of the second installation side plate.

[0008] Preferably, mounting limit grooves are formed on both side surfaces of the first horizontal slide rail. A sliding block is movably mounted on the top surface of the first horizontal slide rail. A mounting limit block is fixedly mounted on one side of the sliding block. A sliding auxiliary handle is fixedly mounted on one side of the sliding block. A mounting plate is fixedly mounted on the top end of one side of the sliding block. A connecting shaft is fixedly mounted on the top end of the mounting plate. A rotating shaft is movably mounted on one side surface of the connecting shaft. A leveling auxiliary plate is fixedly connected to one side of the rotating shaft.

[0009] Preferably, the mounting limit block is located inside the mounting limit groove. The connection relationship between the mounting limit block and the mounting limit groove is a sliding connection. The connection relationship between the sliding block and the first horizontal slide rail is a sliding connection. The cross-sectional diameter of the rotating shaft is larger than the cross-sectional diameter of the connecting shaft. The rotating shaft and the connecting shaft are movably sleeved. The leveling auxiliary plate is lapped on the top surface of one side of the sand casting box.

[0010] Compared with the related art, the sand casting device for processing metal castings provided by the present utility model has the following beneficial effects:

[0011] The present utility model provides a sand casting device for processing metal castings. By arranging limit disks at multiple positions on the side surface of the sand casting box and arranging pin limit rods at the outer four corners of the flattening auxiliary cover, after placing the metal casting to be injection molded inside the sand casting box and then putting sand into the sand casting box, the pin limit rods are inserted into the limit pin slots, so as to directly use the flattening auxiliary cover to press and compact the sand body. Then, the whole sand casting box is turned over by using the flipping auxiliary handle, sand body is placed into the sand casting box again, and the flattening auxiliary cover is used to press and compact the sand body again. Finally, the metal casting is taken out, and metal liquid is injected into the groove formed by the metal casting to complete the injection molding.

[0012] The present utility model provides a sand casting device for processing metal castings. By installing the mounting limit block into the mounting limit groove, the installation between the sliding block and the first horizontal slide rail is completed. After the compaction operation is performed by using the flattening auxiliary cover, the sliding block is slid by using the sliding auxiliary handle, so that the leveling auxiliary plate is directly used to level the sand body inside the sand casting box, improving the simplicity of leveling. When the sand casting box is turned over to put sand, the sliding block can be directly disassembled and installed on the second horizontal slide rail, and the leveling operation at the other end can be carried out again, improving the flexibility of use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0014] Figure 2Schematic side elevation view structure diagram of the device of the present utility model;

[0015] Figure 3 Schematic structure diagram of the leveling auxiliary device of the present utility model;

[0016] Figure 4 For the present utility model Figure 3 Enlarged structure diagram at position A.

[0017] Reference numerals in the figure: 1, foundry casting box; 2, flattening auxiliary cover; 3, limit disk; 4, limit pin slot; 5, flipping auxiliary handle; 6, connection disk; 7, pin limit rod; 8, pressing auxiliary handle; 9, first horizontal slide rail; 10, first installation side plate; 11, second installation side plate; 12, second horizontal slide rail; 13, installation limit groove; 14, sliding block; 15, installation limit block; 16, sliding auxiliary handle; 17, installation disk; 18, connection shaft; 19, rotating shaft; 20, leveling auxiliary plate. Detailed implementation manners Embodiment

[0018] Please refer to Figures 1-4 , the present utility model provides a technical solution: a foundry device for processing metal castings, including a foundry casting box 1 and a flattening auxiliary cover 2. A limit disk 3 is fixedly installed at the edge of one side surface of the foundry casting box 1, a limit pin slot 4 is opened on one side surface of the limit disk 3, flipping auxiliary handles 5 are fixedly installed at both top ends of the foundry casting box 1, a connection disk 6 is fixedly connected to the top end of one side of the flattening auxiliary cover 2, a pin limit rod 7 is fixedly connected to the bottom end of one side of the connection disk 6, pressing auxiliary handles 8 are fixedly installed at the edges of both top ends of the flattening auxiliary cover 2. The number of limit disks 3 is several, and several limit disks 3 are distributed at the four corners of the bottom end and the four corners of the top end of the foundry casting box 1. The positions of the pin limit rod 7 and the limit pin slot 4 correspond one by one, and the connection relationship between the pin limit rod 7 and the limit pin slot 4 is a movable clamping connection. The cross-sectional area of the flattening auxiliary cover 2 is the same as the cross-sectional area of the foundry casting box 1. The length of the pin limit rod 7 is less than half of the cross-sectional height of the foundry casting box 1.

[0019] In the implementation scheme, by setting limit disks 3 at multiple positions on the side surface of the foundry casting box 1 and arranging pin limit rods 7 at the four corners outside the flattening auxiliary cover 2, placing the metal casting to be injection molded inside the foundry casting box 1, then putting sand into the foundry casting box 1, inserting the pin limit rod 7 into the limit pin slot 4, so as to directly use the flattening auxiliary cover 2 to press and compact the sand body. Then, turn the whole foundry casting box 1 over by using the flipping auxiliary handle 5, put sand into the foundry casting box 1 again, and use the flattening auxiliary cover 2 to press and compact the sand body again. Finally, take out the metal casting and inject metal liquid into the groove formed by the metal casting to complete the injection molding. Embodiment

[0020] Please refer to Figures 1-4 , the present utility model provides a technical solution: a sand casting device for processing metal castings, including a first horizontal slide rail 9 fixedly installed at the top end of the side of the sand casting box 1. A first installation side plate 10 is fixedly installed at the top end of one side of the first horizontal slide rail 9. A second installation side plate 11 is fixedly installed at the bottom end of the side of the sand casting box 1 close to the first horizontal slide rail 9. A second horizontal slide rail 12 is fixedly installed at the top end of the second installation side plate 11. Installation limit grooves 13 are provided on both side surfaces of the first horizontal slide rail 9. A sliding block 14 is movably installed on the top surface of the first horizontal slide rail 9. An installation limit block 15 is fixedly installed on one side of the sliding block 14. A sliding auxiliary handle 16 is fixedly installed on one side of the sliding block 14. An installation plate 17 is fixedly installed at the top end of one side of the sliding block 14. A connecting shaft 18 is fixedly installed at the top end of the installation plate 17. A rotating shaft 19 is movably installed on one side surface of the connecting shaft 18. A leveling auxiliary plate 20 is fixedly connected to one side of the rotating shaft 19. Installation limit grooves 13 are provided on both side surfaces of the first horizontal slide rail 9. A sliding block 14 is movably installed on the top surface of the first horizontal slide rail 9. An installation limit block 15 is fixedly installed on one side of the sliding block 14. A sliding auxiliary handle 16 is fixedly installed on one side of the sliding block 14. An installation plate 17 is fixedly installed at the top end of one side of the sliding block 14. A connecting shaft 18 is fixedly installed at the top end of the installation plate 17. A rotating shaft 19 is movably installed on one side surface of the connecting shaft 18. A leveling auxiliary plate 20 is fixedly connected to one side of the rotating shaft 19.

[0021] In the implementation scheme, by installing the installation limit block 15 into the interior of the installation limit groove 13, the installation between the sliding block 14 and the first horizontal slide rail 9 is completed. After the compaction operation is carried out by using the flattening auxiliary cover 2, the sliding block 14 is slid by the sliding auxiliary handle 16, so that the leveling auxiliary plate 20 can directly level the sand body inside the sand casting box 1, improving the simplicity of leveling. When the sand casting box 1 is flipped to put in the sand body, the sliding block 14 can be directly disassembled and installed on the second horizontal slide rail 12, and the leveling operation at the other end can be carried out again, improving the flexibility of the device.

[0022] Working principle:

[0023] By setting the limit discs 3 at multiple positions on the side of the sand casting box 1, inserting pin limit rods 7 at the outer four corners of the flattening auxiliary cover 2, placing the metal casting to be injection-molded inside the sand casting box 1, then putting sand into the sand casting box 1, inserting the pin limit rods 7 into the inner part of the limit pin slots 4, thus directly using the flattening auxiliary cover 2 to press and compact the sand body. Then, turn the entire sand casting box 1 over using the flipping auxiliary handle 5, put sand into the sand casting box 1 again, and use the flattening auxiliary cover 2 to press and compact the sand body again. Finally, take out the metal casting and inject metal liquid into the groove inside the metal casting to complete the injection molding;

[0024] By installing the installation limit block 15 into the installation limit groove 13, the installation between the sliding block 14 and the first horizontal slide rail 9 is completed. After the compaction operation is carried out using the flattening auxiliary cover 2, the sliding block 14 is slid by the sliding auxiliary handle 16, so that the leveling auxiliary plate 20 can directly level the sand body inside the sand casting box 1, improving the simplicity of leveling. When the sand casting box 1 is flipped to put in the sand body, the sliding block 14 can be directly disassembled and installed on the second horizontal slide rail 12, and then the leveling operation at the other end can be carried out again, improving the flexibility of the device.

Claims

1. A sand casting device for processing metal castings, comprising a sand casting box (1) and a flattening auxiliary cover (2), wherein a limiting disc (3) is fixedly installed at the edge of one side surface of the sand casting box (1), and it is characterized in that: One side surface of the limit disk (3) is provided with a limit pin slot (4). At both top ends of both sides of the sand casting box (1), turning auxiliary handles (5) are fixedly installed. At one top end of one side of the flattening auxiliary cover (2), a connection disk (6) is fixedly connected. At the bottom end of one side of the connection disk (6), a pin limit rod (7) is fixedly connected. At both top end edges of both sides of the flattening auxiliary cover (2), pressing auxiliary handles (8) are fixedly installed.

2. The sand casting device for processing metal castings according to claim 1, characterized in that, The number of the limit disks (3) is several. Several limit disks (3) are distributed at four corners of the bottom end and four corners of the top end of the sand casting box (1). The positions of the pin limit rod (7) and the limit pin slot (4) correspond to each other one by one. The connection relationship between the pin limit rod (7) and the limit pin slot (4) is movable clamping connection.

3. A sand casting device for processing metal castings according to claim 1, characterized in that, The cross-sectional area of the flattening auxiliary cover (2) is the same as the cross-sectional area of the sand casting box (1). The length of the pin limit rod (7) is less than half of the cross-sectional height of the sand casting box (1).

4. A sand casting device for processing metal castings according to claim 1, characterized in that, At the top end of the side surface of the sand casting box (1), a first horizontal slide rail (9) is fixedly installed. At the top end of one side of the first horizontal slide rail (9), a first installation side plate (10) is fixedly installed. At the bottom end of the side surface of the sand casting box (1) close to the first horizontal slide rail (9), a second installation side plate (11) is fixedly installed. At the top end of the second installation side plate (11), a second horizontal slide rail (12) is fixedly installed.

5. A sand casting device for processing metal castings according to claim 4, characterized in that, On both side surfaces of the first horizontal slide rail (9), installation limit slots (13) are provided. On the top surface of the first horizontal slide rail (9), a sliding block (14) is movably installed. At one side of the sliding block (14), an installation limit block (15) is fixedly installed. At one side of the sliding block (14), a sliding auxiliary handle (16) is fixedly installed. At the top end of one side of the sliding block (14), an installation disk (17) is fixedly installed. At the top end of the installation disk (17), a connection shaft (18) is fixedly installed. On one side surface of the connection shaft (18), a rotating shaft (19) is movably installed. At one side of the rotating shaft (19), a smoothing auxiliary plate (20) is fixedly connected.

6. A sand casting device for processing metal castings according to claim 5, characterized in that, The installation limit block (15) is located inside the installation limit slot (13). The connection relationship between the installation limit block (15) and the installation limit slot (13) is sliding connection. The connection relationship between the sliding block (14) and the first horizontal slide rail (9) is sliding connection. The cross-sectional diameter of the rotating shaft (19) is greater than the cross-sectional diameter of the connection shaft (18). The rotating shaft (19) and the connection shaft (18) are movably sleeved. The smoothing auxiliary plate (20) is lapped on the top surface of one side of the sand casting box (1).

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