Casting mold for producing special silicon-zirconium alloy

Abstract

The utility model discloses a casting mould for producing special silicon-zirconium alloy, which comprises a lower mould and an upper mould, the top of the lower mould is provided with a mould cavity, the upper mould is provided with a pouring port, the outer surface of the upper mould is fixedly connected with a fixed frame I, and the fixed frame I is fixedly connected with a fixed frame II. A second fixing frame is fixedly connected to the position, corresponding to the first fixing frame, of the outer surface of the lower mold, a connecting mechanism is arranged between the first fixing frame and the second fixing frame, a first fixing cavity and a second fixing cavity are formed in the positions, close to the two ends, in the lower mold respectively, and the first fixing cavity and the second fixing cavity are communicated through a circulation groove. According to the special silicon-zirconium alloy casting mold, through the arrangement of the liquid inlet pipe connector, the first fixing cavity, the circulating groove, the second fixing cavity, the liquid discharging pipe connector and other structures, cooling liquid can be conveniently guided to circulate and pass through the interior of the whole mold, in this way, heat generated in the casting process can be taken away through the cooling liquid, and rapid cooling work of special silicon-zirconium alloy is achieved; the mold forming time can be effectively shortened, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of silicon-zirconium alloy production, in particular to a casting mold for producing silicon-zirconium special alloy. Background Art

[0002] Silicon-zirconium special alloy is a non-ferrous alloy formed by adding other elements to zirconium as a matrix. The main alloying elements are tin, niobium, iron, etc. Silicon-zirconium alloy has good corrosion resistance, moderate mechanical properties, low atomic thermal neutron absorption cross section, and good compatibility with fuel in high temperature, high-pressure water and 300-400°C steam. Therefore, the production of silicon-zirconium special alloy is very extensive. Usually, silicon-zirconium special alloy needs to be cast in a mold after hot melting. However, some traditional casting molds for the production of silicon-zirconium special alloy lack a rapid heat dissipation structure, which makes the entire mold cooling and molding take a long time, making the overall silicon-zirconium special alloy production efficiency low. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and provides a casting mold for producing a silicon-zirconium special alloy.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a casting mold for the production of silicon-zirconium special alloy, comprising a lower mold and an upper mold, the top of the lower mold is provided with a mold cavity, the upper mold is provided with a pouring port, the outer surface of the upper mold is fixedly connected to a fixing frame 1, the outer surface of the lower mold is fixedly connected to a fixing frame 2 at a position corresponding to the fixing frame 1, a connecting mechanism is provided between the fixing frame 1 and the fixing frame 2, a fixed cavity 1 and a fixed cavity 2 are respectively provided near the two ends of the lower mold, the fixed cavity 1 and the fixed cavity 2 are connected through a circulation groove, a liquid inlet pipe joint connected to the fixed cavity 1 is provided on one side of the outer surface of the lower mold, and a liquid discharge pipe joint connected to the fixed cavity 2 is provided on the side of the outer surface of the lower mold away from the liquid inlet pipe joint.

[0005] As a further description of the above technical solution:

[0006] A concave platform is arranged on the top of the lower mold, and a convex platform is arranged on the bottom of the upper mold, and the concave platform and the convex platform are arranged in a nested manner.

[0007] As a further description of the above technical solution:

[0008] The connecting mechanism includes a block fixedly connected to the bottom of the fixing frame one and a bayonet arranged on the fixing frame two. The fixing frame one is provided with an inner groove in the position where the block is connected and near both ends. The two inner grooves are respectively provided with movable blocks and springs. The two movable blocks are respectively fixedly connected with pin blocks and pull rods. One end of the two pull rods is fixedly connected to the pulling frame. Pin grooves are provided on both sides of the inner wall of the bayonet. The block and the bayonet are plug-fitted, and the two pin blocks are plug-fitted with the two pin grooves.

[0009] As a further description of the above technical solution:

[0010] An operating recess is arranged on the top of the first fixing frame, and the two pulling frames are both located in the operating recess.

[0011] As a further description of the above technical solution:

[0012] There are two groups of the fixing frame 1, the fixing frame 2 and the connecting mechanism, which are located at the two sides of the upper mold and the lower mold respectively.

[0013] As a further description of the above technical solution:

[0014] The flow grooves are arranged in plurality and are evenly distributed on both sides of one side of the bottom of the lower mold.

[0015] The utility model has the following beneficial effects:

[0016] The casting mold for the production of silicon-zirconium special alloy can be accurately butted together to form a stable casting mold through the mold structure of the upper and lower parts. The coolant can be easily guided to flow through the entire mold through the arrangement of the liquid inlet pipe joint, the fixed cavity one, the flow groove, the fixed cavity two, the liquid discharge pipe joint and other structures. In this way, the coolant can be used to take away the heat during casting, so as to achieve rapid cooling of the silicon-zirconium special alloy, effectively shorten the mold forming time, and improve production efficiency. Through the arrangement of the fixed frame one, the fixed frame two, the connecting mechanism, the boss, the concave platform and other structures, the upper and lower parts of the mold can be firmly and accurately butt-jointed and installed together, and can also be easily disassembled. The structure is simple to disassemble and operate, saving time and effort. Compared with some conventional bolt-fixed installation forms, it is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a casting mold for producing a silicon-zirconium special alloy proposed by the utility model;

[0018] Figure 2 This is a front view of a connection mechanism of a casting mold for producing a silicon-zirconium special alloy proposed by the utility model;

[0019] Figure 3 This is a side view of the flow slot structure position of a casting mold for producing a silicon-zirconium special alloy proposed by the utility model;

[0020] Figure 4 The utility model discloses a front view of the flow channel structure position of a casting mold for producing a silicon-zirconium special alloy.

[0021] Legend:

[0022] 1. Lower mold; 2. Upper mold; 3. Mold cavity; 4. Concave platform; 5. Boss platform; 6. Casting port; 7. Fixed frame 1; 8. Block; 9. Inner groove; 10. Movable block; 11. Spring; 12. Pin block; 13. Pull rod; 14. Operating notch; 15. Pull frame; 16. Fixed frame 2; 17. Clamp; 18. Pin groove; 19. Fixed cavity 1; 20. Fixed cavity 2; 21. Circulation groove; 22. Liquid inlet pipe joint; 23. Liquid discharge pipe joint. DETAILED DESCRIPTION

[0023] 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.

[0024] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] Reference Figure 1-4The utility model provides an embodiment: a casting mold for the production of silicon-zirconium special alloy, comprising a lower mold 1 and an upper mold 2, the top of the lower mold 1 is provided with a mold cavity 3, the upper mold 2 is provided with a pouring port 6, the upper and lower molds can be combined to form a complete mold structure, the outer surface of the upper mold 2 is fixedly connected with a fixing frame 1 7, the outer surface of the lower mold 1 is fixedly connected with a fixing frame 2 16 at a position corresponding to the fixing frame 1 7, a connecting mechanism is provided between the fixing frame 1 7 and the fixing frame 2 16, and the fixing frame cooperates with the connecting mechanism to enable the two molds to be conveniently and stably docked together, and a fixing cavity 19 and a fixing cavity 2 2 are respectively provided near the two ends of the lower mold 1. 0, the fixed cavity 19 is connected with the fixed cavity 20 through the circulation groove 21, and the circulation groove 21 is provided with a plurality of and evenly distributed at both sides of the bottom side of the lower mold 1, and a liquid inlet pipe joint 22 communicating with the fixed cavity 19 is provided on one side of the outer surface of the lower mold 1, and a liquid discharge pipe joint 23 communicating with the fixed cavity 20 is provided on the side of the outer surface of the lower mold 1 away from the liquid inlet pipe joint 22. The coolant is guided into the fixed cavity 19 from the liquid inlet pipe joint 22, and then enters the fixed cavity 20 after passing through a plurality of circulation grooves 21, and finally discharged from the position of the liquid discharge pipe joint 23. When the coolant circulates, it can take away the heat in the mold during casting, thereby achieving the effect of rapid heat dissipation.

[0026] A concave platform 4 is arranged at the top of the lower mold 1, and a convex platform 5 is arranged at the bottom of the upper mold 2. The concave platform 4 and the convex platform 5 are nested and matched. This structural setting allows the upper and lower parts of the mold to be accurately and stably spliced ​​together, ensuring the stability of the mold structure docking.

[0027] The connecting mechanism includes a block 8 fixedly connected to the bottom of the fixing frame 1 7 and a bayonet 17 arranged on the fixing frame 2 16. An inner groove 9 is arranged in the connecting position of the fixing frame 1 7 and the block 8 and near both ends. A movable block 10 and a spring 11 are arranged in the two inner grooves 9 respectively. A pin block 12 and a pull rod 13 are fixedly connected to the two movable blocks 10 respectively. The pin block 12 and the pull rod 13 are located on opposite sides of the movable block 10 and are located at both ends. The pull rod 13 and the spring 11 are located on the same side of the movable block 10. One end of the two pull rods 13 is fixedly connected to the pulling frame 15. Pin grooves 18 are arranged on both sides of the inner wall of the bayonet 17. The block 8 and the bayonet 17 are plug-in matched. The two pin blocks 12 and the two pin grooves 18 are plug-in matched. An operating recess 14 is provided on the top of the fixed frame 7. The two pulling frames 15 are both located in the operating recess 14. There are two groups of fixed frame 1 7, fixed frame 2 16, and connecting mechanisms, which are located on both sides of the upper mold 2 and the lower mold 1 respectively. When docking, pull the pulling frame 15, and the pulling frame 15 pulls the movable block 10 through the pull rod 13. The passage of the compression spring 11 of the movable block 10 also drives the pin block 12 to contract, and the card block 8 is inserted into the card slot 17. Release the pulling frame 15, and the spring 11 resets and pushes the movable block 10 to drive the pin block 12 to insert into the pin groove 18 to complete the docking installation of the connecting mechanism. Similarly, it can be easily disassembled during operation.

[0028] Working principle: When using the casting mold for the production of silicon-zirconium special alloy, the upper mold 2 is covered on the lower mold 1, and they can be docked and fixed through a connecting mechanism. The silicon-zirconium alloy solution can be poured into the mold cavity 3 through the pouring port 6, and the pipeline on the external coolant delivery equipment is docked with the liquid inlet pipe joint 22. The coolant is guided from the liquid inlet pipe joint 22 into the fixed cavity 19, and then enters the fixed cavity 2 20 after passing through multiple circulation grooves 21, and finally discharged from the discharge pipe joint 23. When the coolant flows through the circulation groove 21, it can take away the heat in the mold during pouring, thereby achieving the effect of rapid cooling and molding.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A casting mold for producing silicon-zirconium special alloy, comprising a lower mold (1) and an upper mold (2), characterized in that: The top of the lower mold (1) is provided with a mold cavity (3), the upper mold (2) is provided with a pouring port (6), the outer surface of the upper mold (2) is fixedly connected to a fixing frame 1 (7), the outer surface of the lower mold (1) is fixedly connected to a fixing frame 2 (16) at a position corresponding to the fixing frame 1 (7), a connecting mechanism is provided between the fixing frame 1 (7) and the fixing frame 2 (16), a fixing cavity 1 (19) and a fixing cavity 2 (20) are respectively provided near the two ends of the lower mold (1), the fixing cavity 1 (19) and the fixing cavity 2 (20) are connected via a flow groove (21), one side of the outer surface of the lower mold (1) is provided with a liquid inlet pipe joint (22) connected to the fixing cavity 1 (19), and a side of the outer surface of the lower mold (1) away from the liquid inlet pipe joint (22) is provided with a liquid discharge pipe joint (23) connected to the fixing cavity 2 (20).

2. The casting mold for producing silicon-zirconium special alloy according to claim 1, characterized in that: The top of the lower mold (1) is provided with a concave platform (4), and the bottom of the upper mold (2) is provided with a convex platform (5), and the concave platform (4) and the convex platform (5) are arranged in a nested manner.

3. The casting mold for producing silicon-zirconium special alloy according to claim 1, characterized in that: The connecting mechanism comprises a clamping block (8) fixedly connected to the bottom of the fixing frame (7) and a clamping socket (17) arranged on the fixing frame (16); an inner groove (9) is arranged in the connecting position of the fixing frame (7) and the clamping block (8) and near both ends; a movable block (10) and a spring (11) are arranged in the two inner grooves (9) respectively; a pin block (12) and a pull rod (13) are fixedly connected to the two movable blocks (10) respectively; one end of the two pull rods (13) is fixedly connected to the pulling frame (15); pin grooves (18) are arranged on both sides of the inner wall of the clamping socket (17); the clamping block (8) and the clamping socket (17) are arranged for plug-in fit; and the two pin blocks (12) and the two pin grooves (18) are arranged for plug-in fit.

4. The casting mold for producing silicon-zirconium special alloy according to claim 3, characterized in that: An operating recess (14) is provided on the top of the first fixing frame (7), and the two pulling frames (15) are both located in the operating recess (14).

5. The casting mold for producing silicon-zirconium special alloy according to claim 3, characterized in that: There are two groups of the fixing frame 1 (7), the fixing frame 2 (16) and the connecting mechanism, which are located at the two sides of the upper mold (2) and the lower mold (1) respectively.

6. The casting mold for producing silicon-zirconium special alloy according to claim 1, characterized in that: The circulation grooves (21) are provided in plurality and are evenly distributed on both sides of one side of the bottom of the lower mold (1).

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