Belt pulley casting machine

Abstract

The utility model relates to the technical field of casting machines, in particular to a belt pulley casting machine. According to the technical scheme, the device comprises a first casting tool, a limiting block, a screw rod, a connecting block, a second casting tool and a bottom plate, the first casting tool and the second casting tool are both semicircular, limiting holes are formed in the middles of the corresponding sides of the first casting tool and the second casting tool, and limiting rings are fixed to the positions, located on the outer sides of the limiting holes, of the two sides of the first casting tool and the two sides of the second casting tool. A feeding hole is formed in the middle of one end of the upper end face of the first casting tool, a limiting column is welded to the middle of the upper end face of the bottom plate, a limiting groove is formed in the position, located on the outer side of the limiting column, of the upper end face of the bottom plate, a screw hole is formed in the middle of a limiting block, and the limiting block is installed at the upper end of the limiting column through the screw hole in a threaded mode. The lower end face of the limiting block is provided with a limiting groove on the outer side of the screw hole. The belt pulley has the advantages that the belt pulley can be cast and formed conveniently, and the belt pulley can be taken out conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of casting machines, in particular to a pulley casting machine. Background Art

[0002] The pulley belongs to the disk hub parts. Generally, the relative size is relatively large. The manufacturing process is generally mainly casting and forging. Generally, for larger sizes, the casting method is used. The material is generally cast iron (good casting performance), and rarely cast steel (poor casting performance of steel); for smaller sizes, it can be designed for forging, and the material is steel.

[0003] The pulley is made of metal. In order to ensure the use quality of the pulley, the pulley needs to be in an integral shape. When processing the pulley, metal liquid needs to be injected into the casting mold to realize the integral casting of the pulley. And because of the shape of the pulley, it is necessary to facilitate the removal of the cast pulley. Therefore, there is a need for a casting device that is conducive to casting the pulley and facilitating the removal of the pulley. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a pulley casting machine, which has the advantages of being conducive to casting the pulley and facilitating the removal of the pulley, and solves the problems that the pulley needs a special casting mold during casting and the removal of the cast pulley is convenient.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A pulley casting machine includes a first casting mold, a limiting block, a screw rod, a connecting block, a second casting mold and a bottom plate. The first casting mold and the second casting mold are both semi-circular. A limiting hole is opened at the middle of the mutually corresponding side of the first casting mold and the second casting mold. Limiting rings are fixed on both sides of the first casting mold and the second casting mold outside the limiting hole. A feeding hole is opened at the middle of one end of the upper end surface of the first casting mold. A limiting column is welded at the middle of the upper end surface of the bottom plate. A limiting groove is opened on the upper end surface of the bottom plate outside the limiting column. A threaded hole is opened at the middle of the limiting block. The limiting block is threadedly installed on the upper end of the limiting column through the threaded hole. A limiting groove is opened on the lower end surface of the limiting block outside the threaded hole.

[0006] Preferably, connecting blocks are fixed on the outside of both ends of the first casting mold and the second casting mold. A through hole is opened at the middle of the connecting block. The screw rod is installed inside the through hole. Nuts are threadedly installed at both ends of the screw rod, and the nuts are located outside the connecting block.

[0007] Preferably, the limiting rings on both sides of the first casting mold and the second casting mold are both arc-shaped, and the limiting rings on the first casting mold and the second casting mold correspond to each other.

[0008] Preferably, the width of the limiting groove is adapted to the thickness of the side wall of the limiting ring, and the limiting ring is located inside the limiting groove.

[0009] Preferably, the diameter of the bottom plate is equal to the outer diameters of the first mold and the second mold, and the diameter of the bottom plate is larger than the diameter of the limiting block.

[0010] Preferably, the height of the limiting post is greater than the heights of the first mold and the second mold, and the diameter of the limiting post is adapted to the diameter of the limiting hole.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] 1. By providing the first mold and the second mold, the present utility model is conducive to achieving the effect of injection molding of the pulley. The first mold and the second mold are in contact through the connecting block, and at the same time, the connecting block is connected through the screw and the nut to realize the connection and fixation between the first mold and the second mold. At the same time, the first mold and the second mold are placed on the upper end surface of the bottom plate through the limiting holes. The limiting block is threadedly installed on the limiting post, and at the same time, the limiting block and the limiting ring on the bottom plate are located inside the limiting groove, realizing the clamping and limiting of the first mold and the second mold, which is conducive to injecting the molten metal into the first mold and the second mold through the feeding hole, enabling the pulley to be cast and formed, and at the same time facilitating the removal of the formed pulley outward. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is the front view structural schematic diagram of the present utility model;

[0014] Figure 2 is the side view structural schematic diagram of the present utility model;

[0015] Figure 3 is the structural schematic diagram of the limiting block and the bottom plate of the present utility model.

[0016] In the figure: 1, first mold; 2, limiting block; 3, feeding hole; 4, limiting groove; 5, limiting ring; 6, screw; 7, nut; 8, through hole; 9, connecting block; 10, second mold; 11, limiting hole; 12, limiting post; 13, bottom plate; 14, screw hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0018] Embodiment 1

[0019] Please refer to Figures 1 to 3 Figures 1 to 3 , an embodiment provided by the present utility model: a pulley casting machine, which includes a first casting mold 1, a limiting block 2, a screw rod 6, a connecting block 9, a second casting mold 10 and a bottom plate 13. Both the first casting mold 1 and the second casting mold 10 are semi-circular. A limiting hole 11 is opened at the middle of the mutually corresponding side of the first casting mold 1 and the second casting mold 10. Limiting rings 5 are fixed on both sides of the first casting mold 1 and the second casting mold 10 outside the limiting hole 11. A feeding hole 3 is opened at the middle of one end of the upper end surface of the first casting mold 1. A limiting post 12 is welded at the middle of the upper end surface of the bottom plate 13. A limiting groove 4 is opened on the upper end surface of the bottom plate 13 outside the limiting post 12. A screw hole 14 is opened at the middle of the limiting block 2. The limiting block 2 is threadedly installed on the upper end of the limiting post 12 through the screw hole 14. A limiting groove 4 is opened on the lower end surface of the limiting block 2 outside the screw hole 14.

[0020] Connecting blocks 9 are fixed on the outside of both ends of the first casting mold 1 and the second casting mold 10. A through hole 8 is opened at the middle of the connecting block 9. The screw rod 6 is installed inside the through hole 8. Nuts 7 are threadedly installed at both ends of the screw rod 6, and the nuts 7 are located outside the connecting block 9.

[0021] Contact the first casting mold 1 and the second casting mold 10 through the connecting block 9, and at the same time connect the connecting blocks 9 through the screw rod 6 and the nuts 7 to realize the connection and fixation between the first casting mold 1 and the second casting mold 10.

[0022] Embodiment Two

[0023] Please refer to Figures 1 to 3 Figures 1 to 3 , an embodiment provided by the present utility model: a pulley casting machine. Compared with Embodiment One, this embodiment further includes: the limiting rings 5 on both sides of the first casting mold 1 and the second casting mold 10 are both arc-shaped, and the limiting rings 5 on the first casting mold 1 and the second casting mold 10 correspond to each other.

[0024] The width of the limiting groove 4 is adapted to the thickness of the side wall of the limiting ring 5, and the limiting ring 5 is located inside the limiting groove 4.

[0025] The diameter of the bottom plate 13 is equal to the outer diameter of the first casting mold 1 and the second casting mold 10, and the diameter of the bottom plate 13 is greater than the diameter of the limiting block 2.

[0026] The height of the limiting post 12 is greater than the height of the first casting mold 1 and the second casting mold 10, and the diameter of the limiting post 12 is adapted to the diameter of the limiting hole 11.

[0027] Place the first mold 1 and the second mold 10 on the upper end face of the bottom plate 13 through the limiting holes 11. The limiting block 2 is threadedly installed on the limiting post 12. At the same time, the limiting block 2 and the limiting ring 5 on the bottom plate 13 are located inside the limiting groove 4, realizing the clamping and limiting of the first mold 1 and the second mold 10, which is beneficial to injecting the molten metal into the first mold 1 and the second mold 10 through the feeding hole 3, enabling the pulley to be cast into shape, and at the same time facilitating the removal of the formed pulley outward.

[0028] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present invention. Any reference signs in the claims should not be regarded as limiting the claimed invention.

Claims

1. A pulley casting machine, comprising a first casting mold (1), a stopper block (2), a screw rod (6), a connecting block (9), a second casting mold (10) and a bottom plate (13), characterized in that: The first mold (1) and the second mold (10) are both semicircular in shape. A limiting hole (11) is provided in the middle of one side corresponding to each other. Limiting rings (5) are fixed on both sides of the first mold (1) and the second mold (10) outside the limiting hole (11). A feeding hole (3) is provided in the middle of one end of the upper end surface of the first mold (1). A limiting column (12) is welded in the middle of the upper end surface of the bottom plate (13). A limiting groove (4) is provided on the upper end surface of the bottom plate (13) outside the limiting column (12). A screw hole (14) is provided in the middle of the limiting block (2). The limiting block (2) is threadedly mounted on the upper end of the limiting column (12) through the screw hole (14). The lower end surface of the limiting block (2) outside the screw hole (14) is provided with a limiting groove (4).

2. The pulley casting machine according to claim 1, characterized in that: Connecting blocks (9) are fixed to the outside of both ends of the first casting (1) and the second casting (10), a through hole (8) is opened in the middle of the connecting block (9), the screw rod (6) is installed inside the through hole (8), and nuts (7) are threadedly installed on both ends of the screw rod (6), and the nuts (7) are located on the outside of the connecting block (9).

3. The pulley casting machine according to claim 1, characterized in that: The limiting rings (5) on both sides of the first casting mold (1) and the second casting mold (10) are both arc-shaped, and the limiting rings (5) on the first casting mold (1) and the second casting mold (10) correspond to each other.

4. The pulley casting machine according to claim 1, characterized in that: The width of the limiting groove (4) is matched to the thickness of the side wall of the limiting ring (5), and the limiting ring (5) is located inside the limiting groove (4).

5. The pulley casting machine according to claim 1, characterized in that: The diameter of the bottom plate (13) is equal to the outer diameters of the first casting mold (1) and the second casting mold (10), and the diameter of the bottom plate (13) is greater than the diameter of the limiting block (2).

6. The pulley casting machine according to claim 1, characterized in that: The height of the limiting column (12) is greater than the height of the first casting mold (1) and the second casting mold (10), and the diameter of the limiting column (12) is compatible with the diameter of the limiting hole (11).

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