A casting leakage-proof groove tool

By introducing sealing and connecting structures into the anti-leakage groove tooling for casting, the problems of cumbersome operation and uneven sealing of existing tooling are solved, achieving efficient liquid sealing and rapid mold operation.

CN224406379UActive Publication Date: 2026-06-26ZHENGZHOU ZHENGFEI FORGING & CASTING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHENGZHOU ZHENGFEI FORGING & CASTING CO LTD
Filing Date
2025-07-18
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing anti-leakage groove tooling for casting is cumbersome, time-consuming and labor-intensive to operate, and it is difficult to ensure the uniformity of the tightening force of each part, resulting in inconsistent sealing effect and increasing the risk of leakage.

Method used

A leak-proof groove tooling including an upper mold base and a lower mold base was designed. It adopts a sealing structure and a connecting structure. The sealing structure forms an initial physical barrier by the engagement of the boss and the groove, and forms a sealed connection with the sealing plate of the arc groove by the snap-fit ​​block. The connecting structure drives the gear to rotate by the motor, which drives the threaded sleeve to rotate, so as to realize the automatic connection or separation of the upper and lower mold bases and ensure uniform fastening force.

Benefits of technology

It improves the sealing performance and reliability of the tooling, reduces the risk of liquid leakage, ensures the uniformity and stability of the sealing effect, and increases the speed of mold assembly and disassembly.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224406379U_ABST
    Figure CN224406379U_ABST
Patent Text Reader

Abstract

The utility model relates to foundry tool technical field provides a kind of anti-leakage tank tool for casting, including upper die holder, the bottom end of upper die holder is installed with lower die holder, the inside of lower die holder is provided with mould cavity, the top of upper die holder is fixed with liquid inlet pipe, the outside of upper die holder internal mould cavity is provided with cooling cavity, one end of upper die holder and lower die holder is provided with sealing structure, the outside of upper die holder and lower die holder is fixed with connecting structure.The utility model is provided with connecting structure, by motor drive gear rotation, then by toothed belt drive screw sleeve rotation, to realize screw rod drive first connecting plate movement, make upper die holder and lower die holder automatic connection or separate, improve the speed of mould assembly and disassembly, and by the fastening effect of threaded connection, it can ensure that the sealing effect of each part of tool is consistent, avoid the situation that liquid leakage occurs due to local insufficient fastening, further improve the sealing and reliability of tool.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of casting tooling technology, and in particular to a casting anti-leakage groove tooling. Background Technology

[0002] Casting fixtures refer to specialized molds used in the casting production process to assist in completing the pouring process. A type of anti-leakage tank fixture for casting is a process device specifically designed to prevent leakage or overflow of molten metal during pouring, filling, or solidification. It is typically installed at the parting surface of the mold, the gating system, or the mold joint to seal any overflowing molten metal, ensuring the safety of the casting process and the quality of the castings.

[0003] The existing anti-leakage groove tooling for casting uses manual tightening during use, which is not only cumbersome, time-consuming and labor-intensive, but also makes it difficult to ensure the uniformity of tightening force in different parts, resulting in inconsistent sealing effect and increasing the risk of leakage. Utility Model Content

[0004] The purpose of this utility model is to provide a casting anti-leakage groove tooling to solve the defect of insufficient tightness in the connection of existing casting anti-leakage groove tooling.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a casting anti-leakage groove tooling, including an upper mold base;

[0006] The lower mold base is installed at the bottom of the upper mold base, the lower mold base has a mold cavity inside, the upper mold base has a liquid inlet pipe fixed at the top, the upper mold base has a cooling cavity outside the mold cavity inside the upper mold base, and a sealing structure is provided at one end of the upper mold base and the lower mold base.

[0007] The upper mold base and the lower mold base are fixed with a connecting structure on their outer sides. The connecting structure includes a first connecting plate fixed at the bottom edge of the upper mold base, and a threaded rod fixed at the bottom end of the first connecting plate. A second connecting plate is fixed at the top edge of the lower mold base. The second connecting plate has a positioning hole inside. A support plate is fixed on the outer side of the lower mold base. A threaded sleeve is installed at the top end of the support plate at the bottom end of the positioning hole. Teeth are fixed on the outer side of the threaded sleeve. A toothed belt is installed on the outer side of the threaded sleeve. A gear is installed at the top end of the support plate.

[0008] Preferably, the sealing structure includes a boss fixed to the top of the lower mold base, a groove provided at the bottom of the upper mold base, arc-shaped grooves provided on both sides of the top of the lower mold base, a snap-fit ​​block fixed on both sides of the bottom of the upper mold base, a water tank provided inside the snap-fit ​​block, a sealing plate fixed at both ends of the snap-fit ​​block, and a sealing plug installed inside the water tank.

[0009] Preferably, the boss and the groove are fitted together, the arc-shaped groove is symmetrically distributed on both sides of the top of the lower mold base, the outer side of the snap-fit ​​block is fitted with the inside of the arc-shaped groove, and the snap-fit ​​block and the arc-shaped groove are sealed together by a sealing plate.

[0010] With the above structure, the engagement of the boss and the groove forms a preliminary mechanical barrier during use, directly preventing molten metal from overflowing from the connection point. This provides a basic physical barrier for leak prevention, reducing the risk of leakage. Furthermore, the snap-fit ​​block and the arc-shaped groove form a sealed connection through the sealing plate. This ensures the sealing plate is tightly against the contact surface, forming a liquid pressure sealing layer that further fills tiny gaps, preventing molten metal penetration and significantly improving sealing reliability.

[0011] Preferably, a motor is fixed to the bottom end of the gear, and through holes are provided at the edges inside the support plate.

[0012] Preferably, the first connecting plates are evenly spaced at the bottom edge of the upper mold base, and the second connecting plates are evenly spaced at the top edge of the lower mold base. The first connecting plates and the second connecting plates correspond one-to-one, and the threaded rod and the threaded sleeve are threadedly connected.

[0013] With the above structure, when in use, the first connecting plate is evenly distributed at the bottom edge of the upper mold base, and the second connecting plate is evenly distributed at the top edge of the lower mold base. This ensures that when the upper and lower mold bases are closed, the tightening force of the threaded rod is evenly applied to the mold around the perimeter. This avoids mold deformation due to excessive local stress or inconsistent sealing gaps due to uneven stress, thereby ensuring a uniform and stable sealing effect at the entire connection.

[0014] Preferably, the two ends of the threaded sleeve are rotatably connected to the interior of the second connecting plate and the support plate, respectively. The teeth are evenly distributed on the outside of the threaded sleeve. The threaded sleeve and the toothed belt are meshed together through the teeth. The gear and the toothed belt are meshed together.

[0015] With the above structure, during use, the threaded sleeve is rotatably connected to the second connecting plate and the support plate at both ends, ensuring that the threaded sleeve can rotate freely in a fixed position. The teeth and toothed belts distributed at equal intervals on the outer side of the threaded sleeve mesh with each other, and the gears are linked with the threaded sleeves through the toothed belts to ensure that the rotation speed of each threaded sleeve is consistent, so that the threaded rod is tightened or loosened synchronously, ensuring the synchronicity and sealing of the connection between the upper and lower mold bases.

[0016] Preferably, the through hole and the positioning hole correspond one-to-one, and the positioning hole, threaded sleeve and the through hole are connected internally.

[0017] With the above structure, the threaded rod can be initially positioned by inserting it into the positioning hole during use, ensuring the accurate relative position of the upper and lower mold bases. Then, the threaded rod can pass through the positioning hole, pass through the threaded sleeve, and be inserted into the inside of the through hole, forming a through channel to ensure smooth rotation or movement within the threaded sleeve.

[0018] The advantages of the anti-leakage groove tooling for casting provided by this utility model are as follows:

[0019] By incorporating a sealing structure, the engagement of the boss and the groove forms a preliminary physical barrier, effectively preventing liquid from leaking directly from the connection between the upper and lower mold bases, thus providing a fundamental guarantee for leak prevention. The snap-fit ​​block and the arc-shaped groove form a sealed connection through a sealing plate. The sealing plate can tightly fit the gap at the connection, preventing liquid from seeping out from the connection, greatly improving the sealing performance of the tooling. Furthermore, by installing the sealing plug inside the water tank, the sealing state of the water tank can be flexibly adjusted according to different needs in the actual casting process.

[0020] By incorporating a connecting structure, the motor drives the gears to rotate, which in turn drives the threaded sleeve to rotate via a toothed belt. This enables the threaded rod to move the first connecting plate, allowing the upper and lower mold bases to automatically connect or separate. This improves the speed of mold assembly and disassembly. Furthermore, the threaded connection ensures consistent sealing across all parts of the tooling, preventing liquid leakage due to insufficient local tightening and further enhancing the tooling's sealing performance and reliability. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0022] Figure 2 This is a schematic diagram of the three-dimensional frontal cross-sectional structure of this utility model;

[0023] Figure 3 This is a schematic diagram of the three-sided side cross-sectional structure of this utility model;

[0024] Figure 4 This is a schematic diagram of the three-explosion structure of this utility model;

[0025] Figure 5 This is a three-dimensional exploded structural diagram of the present invention.

[0026] The reference numerals in the figure are as follows: 1. Upper mold base; 2. Lower mold base; 3. Mold cavity; 4. Liquid inlet pipe; 5. Cooling cavity; 6. Sealing structure; 601. Boss; 602. Groove; 603. Arc groove; 604. Snap-fit ​​block; 605. Water tank; 606. Sealing plate; 607. Sealing plug; 7. Connecting structure; 701. First connecting plate; 702. Threaded rod; 703. Second connecting plate; 704. Positioning hole; 705. Support plate; 706. Threaded sleeve; 707. Tooth; 708. Toothed belt; 709. Gear; 710. Motor; 711. Through hole. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figure 1-5 The present invention provides a casting anti-leakage groove tooling, including an upper mold base 1.

[0029] Reference Figures 1-5 As shown, a lower mold base 2 is installed at the bottom of the upper mold base 1. A mold cavity 3 is provided inside the lower mold base 2. A liquid inlet pipe 4 is fixed to the top of the upper mold base 1. A cooling chamber 5 is provided on the outer side of the mold cavity 3 inside the upper mold base 1. A sealing structure 6 is provided at one end of both the upper mold base 1 and the lower mold base 2. The sealing structure 6 includes a boss 601 fixed to the top of the lower mold base 2. A groove 602 is provided at the bottom of the upper mold base 1. Arc-shaped grooves 603 are provided on both sides of the top of the lower mold base 2. Each side is fixed with a snap-fit ​​block 604. The snap-fit ​​block 604 has a water groove 605 inside. Both ends of the snap-fit ​​block 604 are fixed with sealing plates 606. The water groove 605 is installed with a sealing plug 607. The boss 601 fits into the groove 602. The arc groove 603 is symmetrically distributed on both sides of the top of the lower mold base 2. The outer side of the snap-fit ​​block 604 fits into the inside of the arc groove 603. The snap-fit ​​block 604 and the arc groove 603 form a sealed connection through the sealing plate 606.

[0030] The engagement of the boss 601 and the groove 602 forms a preliminary physical seal, preventing liquid from leaking directly from the connection between the upper and lower mold bases. The snap-fit ​​block 604 and the arc groove 603 form a sealed connection through the sealing plate 606, which in turn prevents liquid from seeping out from the connection. The sealing plug 607 is installed inside the water tank 605, allowing the sealing state of the water tank 605 to be adjusted or maintained according to actual needs.

[0031] Reference Figures 1-5 As shown, a connecting structure 7 is fixed to the outer sides of the upper mold base 1 and the lower mold base 2. The connecting structure 7 includes a first connecting plate 701 fixed at the bottom edge of the upper mold base 1, a threaded rod 702 fixed at the bottom end of the first connecting plate 701, and a second connecting plate 703 fixed at the top edge of the lower mold base 2. The second connecting plate 703 has a positioning hole 704 inside. A support plate 705 is fixed to the outer side of the lower mold base 2. A threaded sleeve 706 is installed at the top end of the support plate 705 at the bottom end of the positioning hole 704. A tooth 707 is fixed to the outer side of the threaded sleeve 706, and a toothed belt 708 is installed to the outer side of the threaded sleeve 706. A gear 709 is installed at the top end of the support plate 705, and a motor 710 is fixed to the bottom end of the gear 709. The inner edge of the support plate 705 is... All are provided with through holes 711. The first connecting plate 701 is evenly distributed at the bottom edge of the upper mold base 1, and the second connecting plate 703 is evenly distributed at the top edge of the lower mold base 2. The first connecting plate 701 and the second connecting plate 703 correspond one-to-one. The two ends of the threaded sleeve 706 are rotatably connected to the interior of the second connecting plate 703 and the support plate 705, respectively. The teeth 707 are evenly distributed on the outside of the threaded sleeve 706. The threaded sleeve 706 and the toothed belt 708 are meshed through the teeth 707. The gear 709 is meshed with the toothed belt 708. The threaded rod 702 is threadedly connected to the threaded sleeve 706. The through holes 711 and the positioning holes 704 correspond one-to-one. The positioning holes 704, the threaded sleeve 706 and the through holes 711 are connected internally.

[0032] The first connecting plate 701 and the second connecting plate 703 correspond one-to-one. This correspondence provides a basic connection point for the connection between the upper and lower mold bases. The threaded rod 702 is then inserted into the positioning hole 704 for positioning. The starting motor 710 drives the gear 709 to rotate, which meshes with the toothed belt 708. The toothed belt 708 meshes with the teeth 707 on the outer side of the threaded sleeve 706. The rotation of the toothed belt 708 drives multiple sets of threaded sleeves 706 to rotate. When the threaded sleeves 706 rotate, the threaded rod 702 moves within them, causing the first connecting plate 701 to move. This connects or separates the upper and lower mold bases. Simultaneously, the tightening effect of the threaded connection further improves the sealing of the tooling, preventing liquid leakage.

[0033] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A casting anti-leakage groove tooling, comprising an upper mold base (1); Its features are: The lower mold base (2) is installed at the bottom of the upper mold base (1). The lower mold base (2) is provided with a mold cavity (3). The upper mold base (1) is fixed with a liquid inlet pipe (4). The upper mold base (1) is provided with a cooling cavity (5) on the outside of the mold cavity (3). The upper mold base (1) and the lower mold base (2) are provided with a sealing structure (6) at one end. A connecting structure (7) is fixed to the outer side of the upper mold base (1) and the lower mold base (2). The connecting structure (7) includes a first connecting plate (701) fixed at the bottom edge of the upper mold base (1). A threaded rod (702) is fixed to the bottom end of the first connecting plate (701). A second connecting plate (703) is fixed to the edge of the top end of the lower mold base (2). A positioning hole (704) is provided inside the second connecting plate (703). A support plate (705) is fixed to the outer side of the lower mold base (2). A threaded sleeve (706) is installed at the top end of the support plate (705) at the bottom end of the positioning hole (704). A tooth (707) is fixed to the outer side of the threaded sleeve (706). A toothed belt (708) is installed to the outer side of the threaded sleeve (706). A gear (709) is installed at the top end of the support plate (705).

2. The anti-leakage groove tooling for casting according to claim 1, characterized in that: The sealing structure (6) includes a boss (601) fixed to the top of the lower mold base (2), a groove (602) provided at the bottom of the upper mold base (1), arc grooves (603) provided on both sides of the top of the lower mold base (2), a snap-fit ​​block (604) fixed on both sides of the bottom of the upper mold base (1), a water tank (605) provided inside the snap-fit ​​block (604), a sealing plate (606) fixed at both ends of the snap-fit ​​block (604), and a sealing plug (607) installed inside the water tank (605).

3. The anti-leakage groove tooling for casting according to claim 2, characterized in that: The boss (601) fits into the groove (602), the arc groove (603) is symmetrically distributed on both sides of the top of the lower mold base (2), the outer side of the snap-fit ​​block (604) fits into the inside of the arc groove (603), and the snap-fit ​​block (604) and the arc groove (603) are sealed together by the sealing plate (606).

4. The anti-leakage groove tooling for casting according to claim 1, characterized in that: The bottom end of the gear (709) is fixed with a motor (710), and through holes (711) are provided at the edge positions inside the support plate (705).

5. The anti-leakage groove tooling for casting according to claim 1, characterized in that: The first connecting plate (701) is evenly distributed at the edge of the bottom end of the upper mold base (1), and the second connecting plate (703) is evenly distributed at the edge of the top end of the lower mold base (2). The first connecting plate (701) and the second connecting plate (703) correspond one-to-one. The threaded rod (702) and the threaded sleeve (706) are threadedly connected.

6. The anti-leakage groove tooling for casting according to claim 1, characterized in that: The two ends of the threaded sleeve (706) are rotatably connected to the interior of the second connecting plate (703) and the support plate (705), respectively. The teeth (707) are evenly distributed on the outside of the threaded sleeve (706). The threaded sleeve (706) and the toothed belt (708) are meshed through the teeth (707). The gear (709) is meshed with the toothed belt (708).

7. A casting anti-leakage groove tooling according to claim 4, characterized in that: The through hole (711) corresponds one-to-one with the positioning hole (704), and the positioning hole (704), the threaded sleeve (706), and the through hole (711) are internally connected.