Pouring sand box for producing wear-resistant high-manganese steel casting

Abstract

The utility model relates to a pouring sand box for producing wear-resistant high manganese steel castings, which belongs to the technical field of pouring sand boxes and comprises a bottom plate, pouring frames are arranged at the top of the bottom plate, plug-in structures are arranged at the tops of the pouring frames and the bottom plate, and a connecting mechanism is arranged between the bottom plate and a group of pouring frames positioned above the bottom plate for fixing. And one group of pouring frames and the other adjacent group of pouring frames are also fixed through a connecting mechanism. The beneficial effects of the utility model are that through the arrangement of the connecting mechanism, during use, the threaded rod is rotated to adjust the height of the fixed seat, so that the height of the limiting rod is adjusted to a proper position, the hook is rotated to the top of the limiting rod, the threaded rod is adjusted again to move upwards, and the limiting rod is clamped with the hook; the bottom plate and the pouring frames as well as the two adjacent pouring frames are fixed, the structure is simple and easy to operate, and the pouring frames are very convenient to mount, dismount and use.

Description

Technical Field

[0001] The utility model relates to the technical field of casting sand boxes, in particular to a casting sand box for producing wear-resistant high-manganese steel castings. Background Art

[0002] Cast wear-resistant steel and wear-resistant steel are mainly austenitic manganese steel. Under certain conditions, low-alloy steel that has been properly heat treated can also have a good effect. Graphite steel is used for lubricating friction working conditions.

[0003] Wear-resistant high-manganese steel is particularly well-suited for impact abrasive wear and high-stress crushing abrasive wear. It is commonly used in the manufacture of impact- and wear-resistant castings such as ball mill liners, hammer crusher hammers, jaw crusher jaws, cone crusher mortar and crushing walls, excavator bucket teeth and walls, railway switches, and tractor and tank track shoes. High-manganese steel is also used in bulletproof steel plates and safe deposit boxes. High-manganese steel is a typical wear-resistant steel with an as-cast structure of austenite with carbides. After water quenching at approximately 1000°C, the structure transforms to a single austenite or austenite with a small amount of carbides, which actually increases toughness. This process is known as water-toughening. High-manganese steel castings are often molded using sand casting, a technique widely adopted due to its maturity and high production efficiency.

[0004] The pouring sand box for producing high manganese steel castings in the prior art still has the following disadvantages: the existing pouring box is provided with openings at the top and bottom. In order to adapt to high manganese steel castings of different sizes, the size of the pouring box can be modified by stacking multiple pouring boxes on each other so that it can be suitable for high manganese steel castings of different sizes. However, when multiple pouring boxes are connected, their openings cannot be accurately docked, and there are certain problems with the positioning of the pouring boxes after docking. It is still extremely inconvenient to dock, use and disassemble the casting boxes. Utility Model Content

[0005] To solve the problems raised in the above background technology. The utility model provides a casting sand box for the production of wear-resistant high manganese steel castings, which has a connecting mechanism and is used to solve the problem that the top and bottom of the existing casting box are both provided with openings. In order to adapt to high manganese steel castings of different sizes, it can adopt a method of stacking multiple casting boxes on each other to modify the size of the casting box so that it can be suitable for high manganese steel castings of different sizes. However, when multiple casting boxes are connected, their openings cannot be accurately docked, and there are certain problems in the positioning of the casting boxes after docking. It still has the problem that it is extremely inconvenient to dock, use and disassemble the casting boxes.

[0006] The technical solution of the utility model is: a casting sand box for producing wear-resistant high-manganese steel castings, comprising a bottom plate, a casting frame is provided on the top of the bottom plate, a plug-in structure is provided on the casting frame and the top of the bottom plate, a connecting mechanism is provided between the bottom plate and a group of casting frames located above the bottom plate for fixing, and a group of casting frames is also fixed to another adjacent group of casting frames by a connecting mechanism;

[0007] The connecting mechanism includes a fixed seat, a mounting seat, a limiting rod, a rotating shaft, a threaded rod, a bearing, a hook and a moving block. The fixed seat is fixedly mounted on the outer walls on both sides of the casting frame, the threaded rod is movably inserted into the interior of the fixed seat, the bottom end of the threaded rod is fixedly connected to the inner ring of the bearing, the outer ring of the bearing is fixedly mounted on the top of the moving block, the two ends of the limiting rod are respectively fixedly connected to the moving blocks on both sides, the mounting seats are respectively fixedly mounted on the base plate and the outer walls on both sides of the casting frame, the two ends of the rotating shaft are respectively movably inserted into the interior of the mounting seats on both sides, and the bottom of the hook is fixedly sleeved on the outside of the rotating shaft.

[0008] Furthermore, the plug-in structure includes a plug-in block and a cylinder, and the plug-in block and the cylinder are fixedly installed on the bottom plate and the top of the casting frame respectively.

[0009] Furthermore, the bottom of the casting frame is provided with a plug hole 1 and a plug hole 2, and the plug block and the cylinder on the base plate are movably plugged into the inside of the plug hole 1 and the plug hole 2 of the casting frame located above the base plate, and the plug block and the cylinder on the casting frame are movably plugged into the inside of the bottom plug hole 1 and the plug hole 2 of the adjacent casting frame.

[0010] Furthermore, limit blocks are fixedly installed on both side outer walls of the bottom plate and the pouring frame. When the hook is clamped and hooked with the limit rod, the limit block contacts the outer wall of one side of the hook.

[0011] Furthermore, reinforcing ribs are fixedly installed on the front and rear inner walls of the casting frame.

[0012] Furthermore, a mounting plate is embedded and fixedly installed inside the front and rear walls of the casting frame, a through hole is opened inside the mounting plate, and a filter is fixedly installed on the inner wall of the through hole.

[0013] The utility model provides a casting sand box for producing wear-resistant high manganese steel castings through improvement. Compared with the prior art, it has the following improvements and advantages:

[0014] By providing a connecting mechanism, when in use, the threaded rod is rotated to adjust the height of the fixing seat, so that the height of the limit rod is adjusted to a suitable position, and the hook is rotated to the top of the limit rod, and the threaded rod is adjusted again to move it upward, so that the limit rod and the hook are engaged, so that the base plate and the casting frame, and the two sets of adjacent casting frames are fixed. The structure is simple and easy to operate, making it very convenient to install, disassemble and use the casting frames, and the plug-in structure is used for positioning and limiting, so that the installation between the base plate and the casting frame, and the two sets of adjacent casting frames is more accurate and convenient, which greatly improves the installation efficiency of the casting frames. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further explained below in conjunction with the accompanying drawings and Examples:

[0016] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0017] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0018] Figure 3 It is a main schematic diagram of the utility model;

[0019] Figure 4 For the utility model Figure 1 A in the middle is an enlarged schematic diagram;

[0020] Explanation of the accompanying symbols: 1. Base plate; 2. Casting frame; 3. Plug-in hole 1; 4. Plug-in block; 5. Cylinder; 6. Reinforcement rib; 7. Limit block; 8. Hook; 9. Rotating shaft; 10. Mounting seat; 11. Limit rod; 12. Threaded rod; 13. Fixed seat; 14. Moving block; 15. Filter; 16. Mounting plate; 17. Bearing; 18. Through hole. DETAILED DESCRIPTION

[0021] The following will be combined with the Figures 1 to 4 This utility model is described in detail, and the technical solutions in the embodiments of this utility model are clearly and completely described. Obviously, the embodiments described are only some of the embodiments of this utility model, not all of them. Based on the embodiments of this utility model, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this utility model.

[0022] The utility model provides a casting sand box for producing wear-resistant high manganese steel castings through improvement. Figure 1-4As shown in the figure, it includes a base plate 1, a pouring frame 2 is provided on the top of the base plate 1, and a plug-in structure is provided on the top of the pouring frame 2 and the base plate 1. A connecting mechanism is provided between the base plate 1 and a group of pouring frames 2 located above the base plate 1 for fixing. A group of pouring frames 2 is also fixed to another adjacent group of pouring frames 2 through a connecting mechanism.

[0023] The connecting mechanism includes a fixed seat 13, a mounting seat 10, a limiting rod 11, a rotating shaft 9, a threaded rod 12, a bearing 17, a hook 8 and a moving block 14. The fixed seat 13 is fixedly mounted on the outer walls of both sides of the casting frame 2, the threaded rod 12 is movably inserted into the interior of the fixed seat 13, the bottom end of the threaded rod 12 is fixedly connected to the inner ring of the bearing 17, the outer ring of the bearing 17 is fixedly mounted on the top of the moving block 14, the two ends of the limiting rod 11 are respectively fixedly connected to the moving blocks 14 on both sides, the mounting seat 10 is respectively fixedly mounted on the outer walls of both sides of the base plate 1 and the casting frame 2, the two ends of the rotating shaft 9 are respectively movably inserted into the interior of the mounting seats 10 on both sides, the bottom of the hook 8 is fixedly sleeved on the outside of the rotating shaft 9, and the fixing mechanism 13 is fixedly mounted on the outer walls of both sides of the casting frame 2, the two ends of the rotating shaft 9 are respectively movably inserted into the interior of the mounting seats 10 on both sides, and the bottom of the hook 8 is fixedly sleeved on the outside of the rotating shaft 9. It is provided with a connecting mechanism. When in use, the threaded rod 12 is rotated to adjust the height of the fixing seat 13, so that the height of the limit rod 11 is adjusted to a suitable position, and the hook 8 is rotated to the top of the limit rod 11, and the threaded rod 12 is adjusted again to move it upward, so that the limit rod 11 is engaged with the hook 8, so that the base plate 1 and the casting frame 2 and the two sets of adjacent casting frames 2 are fixed. The structure is simple and easy to operate, which makes the installation, disassembly and use of the casting frames 2 very convenient, and the positioning and limiting are performed by the plug-in structure, so that the installation between the base plate 1 and the casting frame 2 and the two sets of adjacent casting frames 2 is more accurate and convenient, which greatly improves the installation efficiency of the casting frame 2.

[0024] The plug-in structure includes a plug-in block 4 and a cylinder 5, which are respectively fixedly mounted on the top of the base plate 1 and the casting frame 2. A plug-in hole 1 3 and a plug-in hole 2 are provided at the bottom of the casting frame 2. The plug-in block 4 and the cylinder 5 on the base plate 1 are respectively movably plugged into the inside of the plug-in hole 1 3 and the plug-in hole 2 of the casting frame 2 located above the base plate 1. The plug-in block 4 and the cylinder 5 on the casting frame 2 are respectively movably plugged into the inside of the plug-in hole 1 3 and the plug-in hole 2 at the bottom of the adjacent casting frame 2. Trapezoidal protrusions are used with a small top area and a large bottom area, which facilitates quick plug-in. The cylinder 5 can be used to position the casting frame 2 during installation, so that gaps are less likely to appear when the opening is installed, and the installation is more accurate.

[0025] The outer walls on both sides of the base plate 1 and the casting frame 2 are fixedly installed with limit blocks 7. When the hook 8 is clamped and hooked with the limit rod 11, the limit block 7 contacts the outer wall of one side of the hook 8. The front and rear inner walls of the casting frame 2 are fixedly installed with reinforcing ribs 6. The front and rear walls of the casting frame 2 are embedded with mounting plates 16 and fixedly installed. The mounting plate 16 has a through hole 18 inside, and the inner wall of the through hole 18 is fixedly installed with a filter screen 15. The filter screen 15 is used to reduce the number of impurities in the casting by half, reduce the scrap rate, effectively filter out impurities, reduce the adverse effects of impurities on the structure and performance of the casting alloy, greatly improve the material performance of the casting, and also improve the machining performance of the casting, thereby greatly improving the process yield.

[0026] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology. It will not be described in detail here. The content not described in detail in this specification belongs to the existing technology known to professional and technical personnel in this field.

[0027] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A casting sand box for producing wear-resistant high manganese steel castings, comprising a bottom plate (1), characterized in that: A pouring frame (2) is provided on the top of the base plate (1), a plug-in structure is provided between the pouring frame (2) and the top of the base plate (1), a connecting mechanism is provided between the base plate (1) and a group of pouring frames (2) located above the base plate (1) for fixation, and a group of pouring frames (2) is also fixed to another adjacent group of pouring frames (2) via a connecting mechanism; The connecting mechanism comprises a fixed seat (13), a mounting seat (10), a limiting rod (11), a rotating shaft (9), a threaded rod (12), a bearing (17), a hook (8) and a moving block (14); the fixed seat (13) is fixedly mounted on the outer walls of both sides of the casting frame (2); the threaded rod (12) is movably plugged into the interior of the fixed seat (13); the bottom end of the threaded rod (12) is fixedly connected to the inner ring of the bearing (17); the outer ring of the bearing (17) is fixedly mounted on the top of the moving block (14); the two ends of the limiting rod (11) are respectively fixedly connected to the moving blocks (14) on both sides; the mounting seat (10) is respectively fixedly mounted on the outer walls of both sides of the bottom plate (1) and the casting frame (2); the two ends of the rotating shaft (9) are respectively movably plugged into the interior of the mounting seats (10) on both sides; and the bottom of the hook (8) is fixedly sleeved on the outside of the rotating shaft (9).

2. The casting flask for producing wear-resistant high manganese steel castings according to claim 1, characterized in that: The plug-in structure comprises a plug-in block (4) and a cylinder (5), and the plug-in block (4) and the cylinder (5) are fixedly mounted on the top of the bottom plate (1) and the pouring frame (2), respectively.

3. The casting flask for producing wear-resistant high manganese steel castings according to claim 1, characterized in that: The bottom of the casting frame (2) is provided with a first plug-in hole (3) and a second plug-in hole. The plug-in block (4) and the cylinder (5) on the bottom plate (1) are respectively movably plugged into the inside of the first plug-in hole (3) and the second plug-in hole of the casting frame (2) located above the bottom plate (1). The plug-in block (4) and the cylinder (5) on the casting frame (2) are respectively movably plugged into the inside of the first plug-in hole (3) and the second plug-in hole of the bottom of the adjacent casting frame (2).

4. The casting flask for producing wear-resistant high manganese steel castings according to claim 1, characterized in that: Limit blocks (7) are fixedly mounted on the outer walls of both sides of the base plate (1) and the pouring frame (2); when the hook (8) is clamped and hooked with the limit rod (11), the limit block (7) contacts the outer wall of one side of the hook (8).

5. The casting flask for producing wear-resistant high manganese steel castings according to claim 1, characterized in that: Reinforcement ribs (6) are fixedly mounted on the front and rear inner walls of the pouring frame (2).

6. The casting sand box for producing wear-resistant high manganese steel castings according to claim 1, characterized in that: A mounting plate (16) is fixedly installed inside the front and rear walls of the pouring frame (2), a through hole (18) is opened inside the mounting plate (16), and a filter screen (15) is fixedly installed on the inner wall of the through hole (18).

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