A centrifugal casting mold for a ball

Abstract

The utility model discloses a kind of casting ball centrifugal casting mould, related field is cast to pour, to solve the problem that two forming boxes in prior art have no relative limiting structure, need to adjust the position between two forming boxes multiple times before locking buckle is fixed, so that casting ball cavity group is completely corresponding. The front end of the fixed mould plate is provided with a moving mould plate, the upper and lower ends of the two sides of the fixed mould plate and the moving mould plate are both welded and fixed with side fixed plates, a limiting slide bar is fixed between the two side fixed plates corresponding in upper and lower, the upper and lower ends of the limiting slide bar are limited to slide with sliding blocks, four sliding blocks on each side are provided with X-shaped limiting supports outside, the two rod bodies of X-shaped limiting support are rotatably connected with sliding block, the two rod bodies of X-shaped limiting support are rotatably connected.

Description

Technical Field

[0001] This utility model relates to the field of ball casting, specifically a centrifugal casting mold for balls. Background Technology

[0002] Cast balls, as important wear-resistant materials, play an indispensable role in many industrial fields. In the mining industry, they are crucial grinding media for key equipment such as crushers and mills. During the crushing and grinding of ore, cast balls need to withstand enormous impact and friction forces, and their quality and performance directly affect the ore processing efficiency and product quality.

[0003] Early ball casting primarily employed traditional sand casting techniques. For example, Chinese Patent No. CN 211248198 U (A Ball Casting Mold) describes a process involving two stacked sand molds, each divided into two symmetrical half-sand molds. Both molds contain ball casting cavities with multiple cavities of varying diameters. The upper mold's cavities are larger than their corresponding lower counterparts. This new invention, however, uses a two-layer sand mold design, each containing cavities of different diameters. This allows for the simultaneous casting of multiple balls of varying diameters, resulting in higher production efficiency and meeting the required ball casting ratios for production.

[0004] Although the existing technology has the function of casting a large number of balls at one time, there is no relative limiting structure between the two molding boxes. Before locking, the position between the two molding boxes needs to be adjusted multiple times to make the casting ball cavity assembly correspond perfectly, which is not convenient to use. Utility Model Content

[0005] The purpose of this utility model is to provide a centrifugal casting mold for casting balls, so as to solve the problem mentioned in the background art that there is no relative limiting structure between the two forming boxes, and the position between the two forming boxes needs to be adjusted multiple times before locking to make the casting ball cavity group completely correspond.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a centrifugal casting mold for ball casting, comprising a fixed mold plate, a movable mold plate being provided at the front end of the fixed mold plate, side fixing plates being welded and fixed at the upper and lower ends of both sides of the fixed mold plate and the movable mold plate, a limiting slide rod being fixed between two corresponding side fixing plates, a sliding block being provided at the upper and lower ends of the limiting slide rod for limiting sliding, and an X-shaped limiting bracket being provided on the outer side of the four sliding blocks on each side, the two rods of the X-shaped limiting bracket being rotatably connected to the sliding blocks via a shaft, and the two rods of the X-shaped limiting bracket being rotatably connected.

[0007] Preferably, the two rods of the X-shaped limiting bracket are rotatably connected by a fixing member, the fixing member including a smooth circular portion, and the two rods of the X-shaped limiting bracket are rotatably connected to the smooth circular portion.

[0008] Preferably, the fastener further includes a threaded portion, which is integrally connected to the outer side of the smooth circular portion, and a locking nut is threadedly connected to the outside of the threaded portion.

[0009] Preferably, a gating pipe is provided at the middle of the upper end of the fixed mold plate and the movable mold plate, and a gating port is provided inside the gating pipe. A tapered flow channel is provided in the middle of the interior of the fixed mold plate and the movable mold plate. The diameter of the tapered flow channel decreases from top to bottom, and the tapered flow channel is connected to the interior of the gating port.

[0010] Preferably, the inner end faces of the fixed mold plate and the movable mold plate are perforated and together form a ball forming cavity. Multiple sets of ball forming cavities are provided, with two adjacent sets of ball forming cavities arranged at equal intervals and two adjacent sets of ball forming cavities arranged symmetrically on the left and right sides. Each set of ball forming cavities is inclined and connected to each other through a connecting channel. The connecting channel is connected to the inside of the conical flow channel. An exhaust pipe is installed on the upper end of the fixed mold plate and the movable mold plate along the upper end of the uppermost inner side of the ball forming cavity. The exhaust pipe is connected to the inside of the uppermost inner side of the ball forming cavity.

[0011] Preferably, a lower cylindrical groove is formed in the middle of the lower end face of the fixed mold plate and the movable mold plate, and a centrifugal mounting bracket is embedded in the lower cylindrical groove. The centrifugal mounting bracket is fixed to the fixed mold plate by fixing screws.

[0012] Preferably, a front handle is welded and fixed to the center of the front end of the movable mold plate.

[0013] Compared with the prior art, the beneficial effects of this utility model are: (1) In this utility model, the combination design of the X-shaped limiting bracket, the sliding block and the limiting slide rod makes it possible for the fixed mold plate and the moving mold plate to only have a longitudinal position, and the up, down and left and right directions will not change. When closing the fixed mold plate and the moving mold plate, it is beneficial to directly correspond the position of the middle forming cavity, without needing to adjust the position multiple times, making the operation simpler.

[0014] (2) In this utility model, the X-shaped limiting bracket, sliding block and limiting slide rod are designed, and the locking nut and the threaded connection of the threaded part can fix the position of the fixed mold plate and the moving mold plate, effectively preventing the relative displacement of the two during the rotation process, improving the accuracy of the casting ball forming, and making the size of the produced casting ball more accurate.

[0015] (3) In this utility model, the design of the conical flow channel enables the material to flow more smoothly downward under the action of gravity and centrifugal force, and to be evenly filled into each casting cavity through the connecting channel, thus avoiding the problem of uneven material filling, thereby improving the overall quality of the casting and reducing the generation of defective products. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of a centrifugal casting mold for ball casting according to the present invention from a frontal perspective; Figure 2 This is a schematic diagram of the structure of the fixed mold plate of a centrifugal casting mold for ball casting according to this utility model; Figure 3 This is a schematic diagram of the overall structure of a centrifugal casting mold for ball casting from an overhead perspective, according to the present invention. Figure 4 This is a top view of a centrifugal casting mold for ball casting according to this utility model; Figure 5 This is a side view of a centrifugal casting mold for ball casting according to the present invention; Figure 6 This is a structural schematic diagram of a fixing component for a centrifugal casting mold of a ball according to the present invention.

[0017] In the diagram: 1. Fixed mold plate; 2. Moving mold plate; 3. Gating pipe; 4. Gating gate; 5. Conical flow channel; 6. Casting ball forming cavity; 7. Connecting channel; 8. Exhaust pipe; 9. Lower cylindrical groove; 10. Centrifugal mounting bracket; 11. Fixing screw; 12. Front handle; 13. Side fixing plate; 14. Limiting slide bar; 15. Sliding block; 16. X-shaped limiting bracket; 17. Fixing component; 18. Smooth round part; 19. Threaded part; 20. Locking nut. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0019] Please see Figures 1-6This utility model provides an embodiment of a centrifugal casting mold for ball casting, mainly comprising a fixed mold plate 1 and a movable mold plate 2 disposed at the front end of the fixed mold plate 1. A pouring pipe 3 is provided at the middle of the upper ends of both the fixed mold plate 1 and the movable mold plate 2, and a pouring port 4 is provided inside the pouring pipe 3. The material for casting balls can be injected into the mold through the pouring port 4. A conical flow channel 5 is provided in the middle of the interior of both the fixed mold plate 1 and the movable mold plate 2. The diameter of the conical flow channel 5 decreases from top to bottom and communicates with the interior of the pouring port 4. Holes are opened on the inner end faces of the fixed mold plate 1 and the movable mold plate 2, forming a ball casting cavity 6. Multiple sets of ball casting cavities 6 are provided. Two adjacent sets of ball casting cavities 6 are arranged at equal intervals, and two adjacent sets of ball casting cavities 6 are symmetrically arranged. Each set of ball casting cavities 6 is inclined, which facilitates the filling of material under centrifugal force, allowing the material to be more evenly distributed within the cavity. Each set of casting cavities 6 is connected by a connecting channel 7, which is connected to the interior of the conical flow channel 5. During the casting process, the material flows downward through the conical flow channel 5 and then outward through the connecting channel 7, filling the casting cavities 6 to form the basic shape of the casting sphere. Meanwhile, the air inside the casting cavities 6 flows upward through the connecting channel 7 and the conical flow channel 5 to the innermost casting cavity 6 at the top, and is discharged through the exhaust pipe 8.

[0020] Side fixing plates 13 are welded and fixed to the upper and lower ends of both sides of the fixed mold plate 1 and the movable mold plate 2. Limiting slide rods 14 are fixed between corresponding upper and lower side fixing plates 13. Sliding blocks 15 are slidably limited at the upper and lower ends of the limiting slide rods 14. An X-shaped limiting bracket 16 is provided on the outer side of each of the four sliding blocks 15 on each side. The two rods of the X-shaped limiting bracket 16 are rotatably connected to the sliding blocks 15 via shafts, allowing the X-shaped limiting bracket 16 to flexibly retract and expand. When the movable mold plate 2 is pushed towards the fixed mold plate 1, the X-shaped limiting bracket 16 moves inward and retracts, and the sliding blocks 15 move along the limiting slide rods 14 to their outer limit positions, thus ensuring complete contact between the fixed mold plate 1 and the movable mold plate 2. Compared to traditional molds, this limiting structure can more precisely control the movement trajectory of the mold plate, improving the stability and precision of the mold, effectively preventing the mold plate from shifting during movement, and ensuring the quality of the cast balls. The two rods of the X-shaped limiting bracket 16 are rotatably connected by a fixing member 17. The fixing member 17 includes a smooth circular portion 18, to which the two rods of the X-shaped limiting bracket 16 are rotatably connected. The design of the smooth circular portion 18 allows the rods to rotate more smoothly, reducing friction during rotation and improving the operational flexibility of the mold. The fixing member 17 also includes a threaded portion 19, integrally connected to the outer side of the smooth circular portion 18. A locking nut 20 is threadedly connected to the outside of the threaded portion 19. When the fixed mold plate 1 and the movable mold plate 2 are fully fitted, tightening the locking nut 20 fixes the X-shaped limiting bracket 16 in position through the threaded connection between the locking nut 20 and the threaded portion 19 on the fixing member 17, thus securely fixing the positions of the fixed mold plate 1 and the movable mold plate 2.

[0021] Both the fixed mold plate 1 and the movable mold plate 2 have a lower cylindrical groove 9 in the middle of their lower end faces. A centrifugal mounting bracket 10 is embedded in the lower cylindrical groove 9 and is fixed to the fixed mold plate 1 by fixing screws 11. The centrifugal mounting bracket 10 is connected to the fixed mold plate 1 by fixing screws 11, and then the centrifugal mounting bracket 10 is installed on the turntable of the rotating equipment by screws. The rotation of the casting mold is achieved by driving the rotating equipment.

[0022] A front handle 12 is welded and fixed to the front center of the movable mold plate 2. After the casting ball has cooled, the operator can hold the front handle 12, loosen the locking nut 20, and then pull the movable mold plate 2 away from the fixed mold plate 1 to expose the casting ball forming cavity 6. Then, the operator can tap the mold plate to make the casting ball detach from the mold plate.

[0023] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A centrifugal casting mold for ball casting, comprising a fixed mold plate (1), characterized in that: The front end of the fixed mold plate (1) is provided with a movable mold plate (2). The upper and lower ends of both sides of the fixed mold plate (1) and the movable mold plate (2) are welded and fixed with side fixing plates (13). A limiting slide rod (14) is fixed between the two side fixing plates (13) corresponding to the upper and lower ends. The upper and lower ends of the limiting slide rod (14) are limited to sliding with sliding blocks (15). An X-shaped limiting bracket (16) is provided on the outside of the four sliding blocks (15) on each side. The two rods of the X-shaped limiting bracket (16) are rotatably connected to the sliding blocks (15) through a shaft. The two rods of the X-shaped limiting bracket (16) are rotatably connected.

2. The centrifugal casting mold for ball casting according to claim 1, characterized in that: The two rods of the X-shaped limiting bracket (16) are rotatably connected by a fixing member (17), the fixing member (17) includes a smooth circular part (18), and the two rods of the X-shaped limiting bracket (16) are rotatably connected to the smooth circular part (18).

3. The centrifugal casting mold for ball casting according to claim 2, characterized in that: The fastener (17) also includes a threaded portion (19), which is integrally connected to the outside of the smooth round portion (18), and a locking nut (20) is threadedly connected to the outside of the threaded portion (19).

4. The centrifugal casting mold for ball casting according to claim 1, characterized in that: The fixed mold plate (1) and the movable mold plate (2) are provided with a pouring pipe (3) in the middle of their upper ends. A pouring port (4) is provided inside the pouring pipe (3). A tapered flow channel (5) is provided in the middle of the interior of the fixed mold plate (1) and the movable mold plate (2). The diameter of the tapered flow channel (5) decreases from top to bottom. The tapered flow channel (5) is connected to the interior of the pouring port (4).

5. A centrifugal casting mold for ball casting according to claim 1, characterized in that: The inner end faces of the fixed mold plate (1) and the movable mold plate (2) are opened and together form a ball forming cavity (6). There are multiple sets of ball forming cavities (6). The upper and lower adjacent sets of ball forming cavities (6) are arranged at equal intervals, and the left and right adjacent sets of ball forming cavities (6) are arranged symmetrically. Each set of ball forming cavities (6) is inclined. Each set of ball forming cavities (6) is connected through a connecting channel (7). The connecting channel (7) is connected to the inside of the conical flow channel (5). The upper end of the fixed mold plate (1) and the movable mold plate (2) is equipped with an exhaust pipe (8) along the upper end of the uppermost inner side of the ball forming cavity (6). The exhaust pipe (8) is connected to the inside of the uppermost inner side of the ball forming cavity (6).

6. The centrifugal casting mold for ball casting according to claim 1, characterized in that: The fixed mold plate (1) and the movable mold plate (2) have a common lower cylindrical groove (9) in the middle of their lower end faces. A centrifugal mounting bracket (10) is embedded in the lower cylindrical groove (9). The centrifugal mounting bracket (10) is fixed to the fixed mold plate (1) by fixing screws (11).

7. A centrifugal casting mold for ball casting according to claim 1, characterized in that: A front handle (12) is welded and fixed to the middle of the front end of the movable mold plate (2).

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