Casting sand core forming device facilitating sand filling

Abstract

The utility model discloses a casting sand core forming device convenient for sand filling, which comprises a working table and a filling mechanism, a support frame is arranged on the upper surface of the working table, a hydraulic cylinder is arranged at the upper end of the support frame, an upper mold is arranged at the lower end of the hydraulic cylinder, and the casting sand core forming device further comprises a limiting rod and a demolding mechanism, and a limiting rod is installed on the lower surface of the upper mold, the demolding mechanism comprises a motor, a threaded rod and a bottom plate, electric fans are installed on the left side and the right side of the supporting frame correspondingly, a mortar cylinder is installed at the upper end of the supporting frame, and a suction pump is installed on the front side of the mortar cylinder. According to the casting sand core forming device facilitating sand filling, mortar can be conveniently poured into the mold through the filling mechanism, the discharging amount can be conveniently controlled, sand cores of different sizes can be conveniently formed, the formed sand cores can be conveniently and rapidly demolded through the demolding mechanism, the working efficiency is improved, the mortar can be flattened and compacted through the pressing mechanism, and the sand core forming quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of sand core molding, in particular to a casting sand core molding device which is convenient for filling sand. Background Art

[0002] Sand cores are made by mixing casting sand, sand binder, additives and other molding materials in a certain proportion. In the process of producing and processing sand cores, sand core forming devices are needed. The size of sand cores varies according to different usage requirements. With the rapid development of society, the types of sand core forming devices are gradually increasing, and their functions are constantly improving.

[0003] For example, the patent document with the authorization announcement number CN214601784U discloses a casting sand core forming device for a casting mold, comprising a bottom plate, the top of the bottom plate is fixedly connected to a lower template, the top of the lower template is movably connected to a mold tire, the top of the bottom plate is fixedly connected to a vertical plate, a fixed pulley is rotatably connected between the two vertical plates, plug blocks are slidably connected to both sides of the lower template, a disc is fixedly connected to one side of the plug block, a No. 1 spring sleeved on the outer surface of the plug block is arranged between the disc and the lower template, a moving plate is fixedly connected to one side of the disc, a handle is fixedly connected to one side of the moving plate, and a wire rope is fixedly connected to the other side of the moving plate. The utility model solves the problem that the casting sand core forming mold cannot effectively process different models through the mutual cooperation between the plug block, the No. 1 spring, the slider, the disc, the moving plate, the handle and the wire rope, thereby greatly improving the practicality of the casting sand core mold enlargement.

[0004] However, the sand mold has a fixed size, which makes it inconvenient to process and form sand cores of different sizes, and it is inconvenient to fill sand and control the amount of material, and it is inconvenient to demould, and the practicality is poor. Therefore, we propose a casting sand core forming device that is easy to fill with sand, so as to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a sand core forming device for casting which is convenient for sand filling, so as to solve the problems in the above-mentioned background technology that the existing sand core forming device has the following problems: the sand mold size is fixed, it is inconvenient to process and form sand cores of different sizes, it is inconvenient to fill sand and control the feeding amount, it is inconvenient to demould, and the practicality is poor.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a casting sand core molding device that is convenient for sand filling, comprising a work table and a filling mechanism, a support frame is installed on the upper surface of the work table, a hydraulic cylinder is installed on the upper end of the support frame, an upper mold is installed on the lower end of the hydraulic cylinder, and a limit rod and a demoulding mechanism are also included, a limit rod is installed on the lower surface of the upper mold, a sealing gasket is installed on the inner side of the limit rod, a lower mold is installed on the upper surface of the work table, a limit groove is provided on the upper surface of the lower mold, the demoulding mechanism comprises a motor, a threaded rod and a bottom plate, and electric fans are installed on both sides of the left and right sides of the support frame;

[0007] The filling mechanism includes a mortar barrel, a pump and a casting hose. The mortar barrel is installed on the upper end of the support frame, the pump is installed on the front side of the mortar barrel, the lower end of the pump is connected to the casting hose, and the end of the casting hose is connected to the pressure plate.

[0008] Preferably, the upper mold forms a snap-fit ​​structure with the lower mold through a limiting rod, a sealing gasket and a limiting groove.

[0009] Preferably, a motor is installed on the right side of the mortar barrel, and a stirring paddle is connected to the output end of the motor. A slot is provided at the upper end of the mortar barrel, and a cover plate is mounted inside the slot.

[0010] Preferably, hydraulic support rods are installed at both left and right ends of the upper end of the upper mold, and a pressure plate is installed at the lower end of the hydraulic support rods.

[0011] Preferably, the pressing plate forms an up and down sliding structure with the upper mold and the lower mold through hydraulic support rods.

[0012] Preferably, the bottom plate forms an up and down sliding structure with the lower mold through a motor and a threaded rod.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the sand core molding device for casting is convenient for sand filling;

[0014] 1. A filling mechanism is set up. The motor drives the stirring paddle to rotate, which can stir and mix the mortar to prevent the mortar from solidifying. The pump transports the mortar to the mold through the pouring hose, which is convenient for pouring fillers into the mold and controlling the amount of material, so as to form sand cores of different sizes;

[0015] 2. A demoulding mechanism is set up. The motor drives the threaded rod to rotate, thereby driving the bottom plate to move on the threaded rod, and moving the bottom plate down to facilitate the separation of the bottom plate and the formed sand core from the mold, which is convenient for rapid demoulding and improves work efficiency;

[0016] 3. Set up a clamping mechanism, and the hydraulic support rod drives the pressing plate to descend. The pressing plate can smooth and compact the mortar in the lower mold to improve the quality of sand star molding. The motor drives the stirring paddle to rotate, which can stir and mix the mortar to prevent the mortar from solidifying. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front view cutaway structure of the utility model;

[0018] Figure 2 It is a side view cutaway structural schematic diagram of the utility model;

[0019] Figure 3 This is a side view of the structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the cutaway structure of the utility model from above.

[0021] In the figure: 1. work surface; 2. support frame; 3. hydraulic cylinder; 4. upper mold; 5. limit rod; 6. sealing gasket; 7. lower mold; 8. mortar cylinder; 9. motor; 10. stirring paddle; 11. pump; 12. casting hose; 13. hydraulic support rod; 14. pressure plate; 15. electric fan; 16. bottom plate; 17. motor; 18. threaded rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides a technical solution: a sand core molding device for casting that is convenient for filling sand, including a work surface 1, a support frame 2, a hydraulic cylinder 3, an upper mold 4, a limit rod 5, a sealing pad 6, a lower mold 7, a mortar barrel 8, a motor 9, a stirring paddle 10, a pump 11, a casting hose 12, a hydraulic support rod 13, a pressing plate 14, an electric fan 15, a bottom plate 16, a motor 17 and a threaded rod 18, such as Figure 1 and Figure 3As shown, a support frame 2 is installed on the upper surface of the work table 1, a hydraulic cylinder 3 is installed on the upper end of the support frame 2, an upper mold 4 is installed on the lower end of the hydraulic cylinder 3, and a lower mold 7 is installed on the upper surface of the work table 1. The hydraulic cylinder 3 is turned on, and the hydraulic cylinder 3 drives the upper mold 4 to move downward. A limiting rod 5 is installed on the lower surface of the upper mold 4, and a sealing gasket 6 is installed on the inner side of the limiting rod 5. A limiting groove is provided on the upper surface of the lower mold 7. The limiting rod 5 on the lower surface of the upper mold 4 is aligned with the limiting groove on the lower mold 7, and the upper mold 4 is clamped and installed on the lower mold 7. The sealing gasket 6 increases the sealing between the upper mold 4 and the lower mold 7 to prevent the mortar from being exposed.

[0024] A mortar barrel 8 is installed at the upper end of the support frame 2, and a motor 9 is installed on the right side of the mortar barrel 8. A stirring paddle 10 is connected to the output end of the motor 9. When the motor 9 is turned on, the motor 9 drives the stirring paddle 10 to rotate, and the stirring paddle 10 stirs and mixes the mortar in the mortar barrel 8 to prevent the mortar from solidifying. A cover plate is installed on the upper end of the mortar barrel 8. The cover plate is pulled up to facilitate adding materials into the mortar barrel 8.

[0025] A pump 11 is installed on the front side of the mortar barrel 8 through a pipeline, and the lower end of the pump 11 is connected to a casting hose 12. The end of the casting hose 12 is connected to a pressing plate 14, and the pressing plate 14 is installed in the upper mold 4. The control valves in the pump 11 and the casting hose 12 are opened, and the pump 11 transports the mortar in the mortar barrel 8 to the mold through the casting hose 12, which is convenient for timely adding materials to the mold without waiting for a long time, thereby improving the casting efficiency, and at the same time, it is convenient to control the amount of mortar discharged, so as to facilitate the casting of sand cores of different sizes;

[0026] like Figure 2 and Figure 4 As shown, a proper amount of mortar is added according to the size of the sand core. Hydraulic support rods 13 are installed at both ends of the upper surface of the upper mold 4. A pressing plate 14 is installed at the lower end of the hydraulic support rod 13. When the hydraulic support rod 13 is turned on, the hydraulic support rod 13 drives the pressing plate 14 to move downward. The pressing plate 14 smoothes and compacts the mortar in the mold to avoid uneven mortar stacking and affect the quality of sand core molding.

[0027] Electric fans 15 are installed on both sides of the support frame 2. The electric fans 15 are connected to an external cooling air system. When the electric fans 15 are turned on, the electric fans 15 cool down the mold to facilitate sand core molding.

[0028] A bottom plate 16 is installed inside the lower mold 7. The bottom plate 16 receives mortar and assists in forming the sand core. A motor 17 is installed below the work surface 1. A threaded rod 18 is connected to the output end of the motor 17. A slider is threadedly installed on the surface of the threaded rod 18. The bottom plate 16 is fixedly installed on the inner side of the slider. After the sand core is cooled and formed, the motor 17 is turned on. The motor 17 drives the threaded rod 18 to rotate, thereby driving the slider and the bottom plate 16 to descend, and moving the bottom plate 16 out of the lower mold 7, so as to facilitate the demolding of the sand core from the lower mold 7 and improve work efficiency.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A casting sand core forming device convenient for sand filling, comprising a work surface (1) and a filling mechanism, wherein a support frame (2) is mounted on the upper surface of the work surface (1), a hydraulic cylinder (3) is mounted on the upper end of the support frame (2), and an upper mold (4) is mounted on the lower end of the hydraulic cylinder (3), characterized in that: It also includes a limit rod (5) and a demoulding mechanism, wherein the limit rod (5) is installed on the lower surface of the upper mold (4), a sealing gasket (6) is installed on the inner side of the limit rod (5), a lower mold (7) is installed on the upper surface of the work surface (1), and a limit groove is provided on the upper surface of the lower mold (7), the demoulding mechanism includes a motor (17), a threaded rod (18) and a bottom plate (16), and electric fans (15) are installed on both the left and right sides of the support frame (2); The filling mechanism comprises a mortar barrel (8), a pump (11) and a casting hose (12); the mortar barrel (8) is installed at the upper end of the support frame (2); the pump (11) is installed at the front side of the mortar barrel (8); the lower end of the pump (11) is connected to the casting hose (12); and the end of the casting hose (12) is connected to the pressure plate (14).

2. A casting sand core forming device that is convenient for sand filling according to claim 1, characterized in that: The upper mold (4) forms a snap-fit ​​structure with the lower mold (7) via a limiting rod (5), a sealing gasket (6) and a limiting groove.

3. A casting sand core forming device that is convenient for sand filling according to claim 1, characterized in that: A motor (9) is installed on the right side of the mortar barrel (8), and a stirring paddle (10) is connected to the output end of the motor (9). A slot is provided at the upper end of the mortar barrel (8), and a cover plate is mounted inside the slot.

4. A casting sand core forming device that is convenient for sand filling according to claim 1, characterized in that: Hydraulic support rods (13) are installed at both left and right ends of the upper end of the upper mold (4), and a pressing plate (14) is installed at the lower end of the hydraulic support rod (13).

5. A casting sand core forming device that is convenient for sand filling according to claim 4, characterized in that: The pressing plate (14) forms an up-and-down sliding structure with the upper mold (4) and the lower mold (7) via a hydraulic support rod (13).

6. A casting sand core forming device that is convenient for sand filling according to claim 1, characterized in that: The bottom plate (16) forms an up and down sliding structure with the lower mold (7) through a motor (17) and a threaded rod (18).

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