Negative pressure vibration casting mold

By designing a negative pressure vibration casting mold, combined with a vacuum pump and a vibration motor, the problem of maintaining a vacuum environment in the mold is solved, thus achieving high-quality production of castings.

CN223811545UActive Publication Date: 2026-01-20NINGXIA SUNING NEW ENERGY EQUIP
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Patent Information

Application Number
CN202520173213.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-26
Publication Date
2026-01-20
Estimated Expiration
2035-01-26

AI Technical Summary

Technical Problem

In existing technologies, it is difficult for molds to maintain a vacuum environment, which leads to a decrease in the quality of castings, the appearance of porosity, and affects the subsequent production of castings.

Method used

The negative pressure vibration casting mold is adopted. Through the combined design of the box body, box door structure, vacuum structure, clamping structure and casting structure, the mold is ensured to maintain a vacuum environment during the casting process. A vacuum pump is used to extract air and a vibration motor is used to vibrate the mold to prevent air from entering.

Benefits of technology

It effectively prevents the formation of internal porosity in castings, improves casting quality, and promotes subsequent casting production.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223811545U_ABST
Patent Text Reader

Abstract

The utility model discloses a negative pressure vibration casting mold which comprises a box body, four supporting legs are fixedly connected to the lower side of the box body, a box door structure is arranged on the front side of the box body, a vacuum structure is fixedly connected to the left side of the box body, and clamping structures are fixedly connected to the left side and the right side in the box body. And a pouring structure is arranged on the upper side of the interior of the box body, the pouring structure comprises a sliding groove, the sliding groove is formed in the upper side of the interior of the box body, and a second hydraulic rod and a sliding block are arranged in the sliding groove. Through the arrangement of the box body, the box door structure, the pouring structure, the vacuum structure and the clamping structure, when metal liquid is poured, the vacuum environment inside and outside the mold can be conveniently kept, air cannot enter the mold, a casting formed by the mold cannot be provided with air holes, the quality of the casting is improved, and follow-up production of the casting is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to metal casting technical field, especially negative pressure vibration casting mould. BACKGROUND

[0002] The negative pressure vibration casting mould is an advanced casting process which combines the advantages of negative pressure casting and vibration casting.

[0003] The vacuum pump can perform vacuum extraction on the mould to keep the mould in a vacuum environment, but the pouring opening of the mould and the mould are directly exposed to the air, and when the metal liquid is poured, air from the outside can enter the mould, resulting in pores in the castings after the mould is formed, reducing the quality of the castings and being not conducive to the subsequent production of the castings. UTILITY MODEL CONTENTS

[0004] In order to overcome the deficiency that the mould is difficult to keep in a vacuum environment in the prior art, resulting in reduced quality of the castings, one of the purposes of the utility model is to provide a negative pressure vibration casting mould.

[0005] One of the purposes of the utility model is achieved by adopting the following technical scheme: the negative pressure vibration casting mould comprises a box body, a supporting leg is fixedly connected to the lower side of the box body, four supporting legs are arranged, a box door structure is arranged on the front side of the box body, a vacuum structure is fixedly connected to the left side of the box body, clamping structures are fixedly connected to the left and right sides in the box body, and a pouring structure is arranged on the upper side in the box body.

[0006] The pouring structure comprises a chute, the chute is arranged on the upper side in the box body, a hydraulic rod two and a sliding block are arranged in the chute, a nozzle is fixedly connected to the lower side of the sliding block, a pouring pipe is fixedly connected to the outer side of the nozzle, a pouring hopper is fixedly connected to the other end of the pouring pipe through the box body, the other end of the pouring pipe is fixedly connected to the box body, and a valve is arranged on the outer side of the pouring hopper. The mould can be poured in a vacuum environment.

[0007] According to the negative pressure vibration casting mould, the box door structure comprises an annular groove, the annular groove is arranged on the front side of the box body, an annular block is arranged in the annular groove, a box plate is fixedly connected to the front side of the annular block, threaded grooves are arranged on the upper and lower sides and the left and right sides of the box body, threaded holes are arranged on the upper and lower sides and the left and right sides of the annular block, threaded rods are arranged in the threaded holes and the threaded grooves, and cylindrical blocks are fixedly connected to the outer ends of the threaded rods. The box body can be sealed, and the vacuum environment in the box body can be maintained.

[0008] According to the negative pressure vibration casting mould, a handle is fixedly connected to the front side of the box plate, two handles are arranged, and the handles are arranged in a U shape. The box plate can be conveniently taken out by the staff.

[0009] According to the negative pressure vibration pouring mold, the annular block and the box body are slidingly connected, the box plate and the box body are movably connected, the threaded rod and the annular block are threadedly connected, and the threaded rod and the box body are threadedly connected.

[0010] According to the negative pressure vibration pouring mold, the vacuum structure comprises a circular hole which is arranged on the left side of the box body, the left side of the box body is fixedly connected with a vacuum pump, and the circular hole is internally provided with an air pipe.

[0011] According to the negative pressure vibration pouring mold, one end of the air pipe is fixedly connected with the box body, and the other end of the air pipe is fixedly connected with the vacuum pump.

[0012] According to the negative pressure vibration pouring mold, the clamping structure comprises two hydraulic rods one, the two hydraulic rods one are fixedly connected to the left and right sides of the box body respectively, the output end of the hydraulic rod one on the right side is fixedly connected with a clamping plate, the output end of the hydraulic rod one on the left side is fixedly connected with an L-shaped plate, the clamping plate and the L-shaped plate are slidingly connected, and the lower side of the L-shaped plate is fixedly connected with a vibration motor.

[0013] According to the negative pressure vibration pouring mold, one end of the hydraulic rod two is fixedly connected with the box body, the output end of the hydraulic rod two is fixedly connected with a sliding block, and the sliding block is slidingly connected with the box body.

[0014] The above-mentioned scheme has the beneficial effects that: through the arrangement of the box body, the box door structure, the pouring structure, the vacuum structure and the clamping structure, when the metal liquid is poured, the vacuum environment inside and outside the mold can be kept, air cannot enter the mold, the castings formed after the mold is shaped do not have air holes, the quality of the castings is improved, and the subsequent production of the castings is facilitated.

[0015] Additional aspects and advantages of the present application will be given in part in the following description, will become apparent from the following description, or will be learned by practicing the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] The present application will be further described below in combination with the drawings and embodiments.

[0017] Figure 1 It is a structure schematic view of the whole front view of the negative pressure vibration pouring mold of the present application.

[0018] Figure 2 It is a structure schematic view of part of the structure of the negative pressure vibration pouring mold of the present application.

[0019] Figure 3 is a structure schematic view of the box door structure of the negative pressure vibration pouring casting mold part of the utility model;

[0020] Figure 4 is a structure schematic view of another part of the box door structure and part of the pouring structure of the negative pressure vibration pouring casting mold of the utility model.

[0021] Legend:

[0022] 1, box body; 2, supporting leg; 3, box door structure; 301, annular groove; 302, annular block; 303, box plate; 304, handle; 305, threaded hole; 306, threaded groove; 307, threaded rod; 308, cylindrical block; 4, vacuum structure; 401, round hole; 402, vacuum pump; 403, air pipe; 5, clamping structure; 501, hydraulic rod one; 502, clamping plate; 503, L-shaped plate; 504, vibration motor; 6, pouring structure; 601, chute; 602, hydraulic rod two; 603, sliding block; 604, nozzle; 605, pouring pipe; 606, pouring hopper. DETAILED DESCRIPTION

[0023] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0024] Reference Figures 1-4The application discloses a negative pressure vibration pouring mold, which comprises a box body 1, four supporting legs 2 are fixedly connected to the lower side of the box body 1, a box door structure 3 is arranged on the front side of the box body 1, a vacuum structure 4 is fixedly connected to the left side of the box body 1, clamping structures 5 are fixedly connected to the left and right sides in the box body 1, a pouring structure 6 is arranged on the upper side in the box body 1, each clamping structure 5 comprises a hydraulic rod one 501, two hydraulic rods one 501 are fixedly connected to the left and right sides in the box body 1, a clamping plate 502 is fixedly connected to the output end of the right hydraulic rod one 501, an L-shaped plate 503 is fixedly connected to the output end of the left hydraulic rod one 501, the clamping plate 502 and the L-shaped plate 503 are slidably connected, a vibration motor 504 is fixedly connected to the lower side of the L-shaped plate 503, the box door structure 3 comprises an annular groove 301, the annular groove 301 is arranged on the front side of the box body 1, an annular block 302 is arranged in the annular groove 301, a box plate 303 is fixedly connected to the front side of the annular block 302, threaded grooves 306 are arranged on the upper and lower sides and the left and right sides of the box body 1, threaded holes 305 are arranged on the upper and lower sides and the left and right sides of the annular block 302, threaded rods 307 are arranged in the threaded holes 305 and the threaded grooves 306, cylindrical blocks 308 are fixedly connected to the outer ends of the threaded rods 307, handles 304 are fixedly connected to the front side of the box plate 303, the handles 304 are arranged in a U shape, the annular block 302 and the box body 1 are slidably connected, the box plate 303 and the box body 1 are movably connected, the threaded rods 307 and the annular block 302 are screw-connected, the threaded rods 307 and the box body 1 are screw-connected, a PLC controller is electrically connected with the vacuum pump 402, the hydraulic rod one 501, the vibration motor 504 and a hydraulic rod two 602, so that the components can be controlled to work, first, a staff places a mold on the L-shaped plate 503, then starts the right hydraulic rod one 501 to drive the clamping plate 502 to move, the clamping plate 502 moves to clampingly fix the mold, then adjusts the left and right hydraulic rods one 501 to move the pouring opening of the mold to the moving route of the upper nozzle 604, then, in order to maintain the vacuum environment in the box body 1, the staff holds the two handles 304 to move the annular block 302 of the box plate 303 to be slid into the annular groove 301, then rotates the threaded rods 307 on the upper and lower sides and the left and right sides to be screw-connected into the threaded holes 305 and the threaded grooves 306, so that the box plate 303 is fixed, the vacuum environment in the box body 1 is maintained, and the mold can better pour a casting.

[0025] The vacuum structure 4 includes a circular hole 401 which is opened in the left side inside the box 1, the left side of the box 1 is fixedly connected with a vacuum pump 402, the inside of the circular hole 401 is provided with an air pipe 403, one end of the air pipe 403 is fixedly connected with the box 1, the other end of the air pipe 403 is fixedly connected with the vacuum pump 402, the pouring structure 6 includes a chute 601 which is opened in the upper side inside the box 1, the inside of the chute 601 is provided with a hydraulic rod two 602 and a sliding block 603, the lower side of the sliding block 603 is fixedly connected with a nozzle 604, the outer side of the nozzle 604 is fixedly connected with a pouring pipe 605, the other end of the pouring pipe 605 is fixedly connected with a pouring funnel 606 through the box 1, the other end of the pouring pipe 605 is fixedly connected with the box 1, the outer side of the pouring funnel 606 is provided with a valve, one end of the hydraulic rod two 602 is fixedly connected with the box 1, the output end of the hydraulic rod two 602 is fixedly connected with the sliding block 603, the sliding block 603 and the box 1 are slidingly connected, when the mold is fixed and the box 1 is sealed, at this time, the vacuum pump 402 is started, the vacuum pump 402 removes the air inside the box 1 through the air pipe 403 and the circular hole 401, and the vacuum environment in the box is maintained, then when preparing to pour the metal liquid, first pass through the transparent box plate 303, start the hydraulic rod two 602, the hydraulic rod two 602 drives the sliding block 603 to move, the sliding block 603 drives the nozzle 604 to move, so that the nozzle 604 is aligned with the pouring port of the mold, then the worker pours the metal liquid into the pouring funnel 606, stays for a while, then opens the valve of the pouring funnel 606, so that the metal liquid enters the nozzle 604 through the pouring pipe 605, and finally enters the pouring port of the mold, at the same time, the vibration motor 504 of the L-shaped plate 503 is started, the vibration motor 504 drives the L-shaped plate 503 to vibrate and drives the mold to vibrate, so that the metal liquid in the mold is filled more fully, and the castings produced do not have pores, the quality of the castings is improved, the setting of the box 1, the box door structure 3, the pouring structure 6, the vacuum structure 4 and the clamping structure 5 is convenient for maintaining the vacuum environment inside and outside the mold when pouring the metal liquid, so that air cannot enter the mold, so that the castings after molding do not have pores, the quality of the castings is improved, which is beneficial to the subsequent production of the castings.

[0026] Working principle: the worker pours the casting of the mold, first put the mold in the box is clamped by the clamping structure 5 fixed, then use the box door structure 3 seal the box 1, then start the vacuum structure 4 to the box air is pumped out, let the box keep vacuum environment, because the box board 303 is set to transparent material, facilitate the observation of the internal mold pouring, use pouring structure 6 slider 603 adjusting nozzle 604 and pouring mouth of the mold alignment, then put the metal liquid pouring into the pouring funnel 606 of pouring structure 6, let the metal liquid stay for a period of time, then open the valve outside the pouring funnel 606, let the metal liquid finally through the nozzle 604 into the mold, in the pouring process, start the vibration motor 504 in the clamping structure 5, let the metal liquid in the mold filling is better, let the casting quality after pouring is better.

[0027] The above embodiment of the present application is described in detail in combination with the drawings, but the present application is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the present application.

Claims

1. A negative pressure vibration casting mold, characterized in that, Includes a box body (1): the lower side of the box body (1) is fixedly connected with a support leg (2), and four support legs (2) are provided. The front side of the box body (1) is provided with a box door structure (3). The left side of the box body (1) is fixedly connected with a vacuum structure (4). The left and right sides inside the box body (1) are fixedly connected with a clamping structure (5). The upper side inside the box body (1) is provided with a casting structure (6). The casting structure (6) includes a chute (601), which is located on the upper side inside the box (1). The chute (601) is provided with a hydraulic rod (602) and a slider (603). A nozzle (604) is fixedly connected to the lower side of the slider (603). A casting pipe (605) is fixedly connected to the outer side of the nozzle (604). The other end of the casting pipe (605) passes through the box (1) and is fixedly connected to a casting funnel (606). The other end of the casting pipe (605) is fixedly connected to the box (1). A valve is provided on the outer side of the casting funnel (606).

2. The negative pressure vibration casting mold according to claim 1, characterized in that, The door structure (3) includes an annular groove (301), which is opened on the front side of the box body (1). An annular block (302) is provided inside the annular groove (301). A box plate (303) is fixedly connected to the front side of the annular block (302). Threaded grooves (306) are opened on the four sides of the box body (1). Threaded holes (305) are opened on the four sides of the annular block (302). Threaded rods (307) are provided inside the threaded holes (305) and the threaded grooves (306). A cylindrical block (308) is fixedly connected to the outer end of the threaded rod (307).

3. The negative pressure vibration casting mold according to claim 2, characterized in that, A handle (304) is fixedly connected to the front side of the box panel (303). There are two handles (304), and the handles (304) are U-shaped.

4. The negative pressure vibration casting mold according to claim 2, characterized in that, The annular block (302) and the box body (1) are slidably connected, the box plate (303) and the box body (1) are movably connected, the threaded rod (307) and the annular block (302) are threadedly connected, and the threaded rod (307) and the box body (1) are threadedly connected.

5. The negative pressure vibration casting mold according to claim 1, characterized in that, The vacuum structure (4) includes a circular hole (401), which is opened on the left side inside the box (1). A vacuum pump (402) is fixedly connected to the left side of the box (1), and an air pipe (403) is provided inside the circular hole (401).

6. The negative pressure vibration casting mold according to claim 5, characterized in that, One end of the air pipe (403) is fixedly connected to the box body (1), and the other end of the air pipe (403) is fixedly connected to the vacuum pump (402).

7. The negative pressure vibration casting mold according to claim 1, characterized in that, The clamping structure (5) includes a hydraulic rod (501), and there are two hydraulic rods (501). The two hydraulic rods (501) are fixedly connected to the left and right sides inside the box (1). The output end of the right hydraulic rod (501) is fixedly connected to a clamping plate (502), and the output end of the left hydraulic rod (501) is fixedly connected to an L-shaped plate (503). The clamping plate (502) and the L-shaped plate (503) are slidably connected, and a vibration motor (504) is fixedly connected to the lower side of the L-shaped plate (503).

8. The negative pressure vibration casting mold according to claim 1, characterized in that, One end of the hydraulic rod (602) is fixedly connected to the housing (1), the output end of the hydraulic rod (602) is fixedly connected to the slider (603), and the slider (603) is slidably connected to the housing (1).