Convenient-to-clean sand box for casting castings

Abstract

The utility model discloses a convenient-to-clean sand box for casting castings, which comprises a mould main body, two sides of the top of the mould main body are fixedly connected with air valve interfaces, ventilation pipelines penetrate through the air valve interfaces, the top ends of the interiors of the ventilation pipelines are fixedly connected with arc bayonets, and the arc bayonets are fixedly connected with the bottom of the mould main body. And a locking block is fixedly connected to one side of the middle of the interior of the ventilation pipeline, springback grooves are formed in the periphery of the bottom end of the ventilation pipeline, and abutting blocks are fixedly connected to the bottom ends of the springback grooves. The air valve connector, the ventilation pipeline, the arc buckle and the locking block are arranged, additional supporting and guiding functions are provided through the design of the abutting protruding block and the main body concave block, the stability and accuracy of the mold in the operation process are guaranteed, production errors caused by mechanical faults or misoperation are reduced, and the production efficiency is improved. According to the design of the whole mold, mutual matching and supporting of all the components are considered, and therefore the structural stability and durability of the mold under the conditions of high pressure and repeated use are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of sand box cleaning, in particular to a sand box which is easy to clean and is used for casting. Background Art

[0002] With the development of social economy, the demand for various industrial products is increasing, and higher requirements are put forward for the rapid production of industrial products, especially the casting of complex castings. At present, castings are generally made by brushing a paraffin model with a size and shape similar to the casting, brushing a refractory coating and drying it, burying it in dry quartz sand for vibration molding, pouring it under negative pressure, and the liquid metal vaporizes the model and occupies the position of the model, and forms a casting after solidification and cooling.

[0003] The existing sand box for casting generally cleans the residual sand inside after the sand pouring step. Due to the shape of the sand box itself, the sand on the inner wall of the sand box is difficult to discharge and the water is difficult to drain, which affects the cleaning effect of the sand box. Utility Model Content

[0004] The purpose of the utility model is to provide a sand box that is easy to clean for casting castings. The utility model is provided with an air valve interface, a ventilation pipe, an arc buckle, a locking block, a rebound groove, a resistance block, a spring, a rebound column, a resistance protrusion and a main body concave block, and provides additional support and guiding effects through the design of the resistance protrusion and the main body concave block, thereby ensuring the stability and accuracy of the mold during operation and reducing production errors caused by mechanical failure or improper operation. Since the connection and matching design between the various components of the mold is proper, the maintenance and daily operation of the mold become simpler, and the maintenance cost and operation difficulty are reduced.

[0005] To achieve the above-mentioned purpose, a sand box for casting that is easy to clean is provided, comprising: a mold body, characterized in that: both sides of the top of the mold body are fixedly connected with air valve interfaces, a ventilation pipe is passed through the interior of the air valve interface, a circular arc bayonet is fixedly connected to the top of the interior of the ventilation pipe, and a locking block is fixedly connected to one side of the middle of the interior, a rebound groove is opened around the bottom end of the ventilation pipe, a resistance block is fixedly connected to the bottom end of the rebound groove, a spring is resisted at the top end of the resistance block, a rebound column is resisted at the top end of the spring, a baffle is fixedly connected to the bottom end of the rebound column, and resistance protrusions are fixedly connected to both sides of the bottom end of the baffle, and a main body concave block is inserted into one side of the resistance protrusion;

[0006] A feed port is fixedly connected to the middle of the top of the mold body, a connecting rod is fixedly connected to the inner middle of the feed port around the periphery, and a feed dispersion block is fixedly connected to one end of the connecting rod.

[0007] According to the sand box that is easy to clean for casting, hooks are fixedly connected around the sides of the mold body.

[0008] According to the sand box that is easy to clean for casting, the bottom end of the mold body has no cover and an internal mold groove is opened inside.

[0009] According to the easy-to-clean sand box for casting castings, the number of the air valve interfaces is set to eight and is evenly distributed.

[0010] According to the easy-to-clean sand box for casting castings, the locking block is located below the circular arc bayonet, and the locking block and the circular arc bayonet are both circular rings.

[0011] According to the sand box for casting that is easy to clean, the feed port and the feed dispersion block are both truncated cones, the feed port opening is larger at the top and smaller at the bottom, and the feed dispersion block opening is smaller at the top and larger at the bottom.

[0012] According to the easy-to-clean sand box for casting castings, the number of connecting rods is four and they are evenly distributed.

[0013] The above scheme has the following beneficial effects:

[0014] 1. The utility model is provided with an air valve interface, a ventilation duct, an arc buckle, a locking block, a rebound groove, a resistance block, a spring, a rebound column, a resistance convex block and a main body concave block, and provides additional support and guiding effects through the design of the resistance convex block and the main body concave block, thereby ensuring the stability and accuracy of the mold during operation and reducing production errors caused by mechanical failure or improper operation. The design of the entire mold takes into account the mutual coordination and support between the various components, thereby ensuring the structural stability and durability of the mold under high pressure and repeated use conditions.

[0015] 2. The utility model is provided with a feed port, a connecting rod and a feed dispersion block, and the feed port is connected to the feed dispersion block by the connecting rod, thereby ensuring that the raw materials can be evenly distributed to various parts of the mold after being added from the feed port. This uniform distribution helps to avoid product defects caused by uneven distribution of raw materials during the molding process. Through the combination of the connecting rod and the feed dispersion block, the internal structure of the mold is simplified, the number of complex components is reduced, and it helps to reduce the manufacturing cost and maintenance difficulty of the mold.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0018] Figure 1 A three-dimensional diagram of a sand box that is easy to clean and is used for casting of castings according to the utility model;

[0019] Figure 2 It is a front view of a sand box that is easy to clean for casting according to the utility model;

[0020] Figure 3 It is a cross-sectional stereoscopic view of a sand box that is easy to clean for casting of castings according to the utility model;

[0021] Figure 4 For this utility model Figure 3 A magnified image of point A;

[0022] Figure 5 For this utility model Figure 3 The enlarged view of point B;

[0023] Legend:

[0024] 1. Mold body; 2. Feed port; 3. Hook; 4. Air valve interface; 5. Feed dispersion block; 6. Internal groove of mold; 7. Arc bayonet; 8. Locking block; 9. Rebound groove; 10. Spring; 11. Rebound column; 12. Main body concave block; 13. Resistance convex block; 14. Resistance block; 15. Ventilation duct; 16. Baffle; 17. Connecting rod. DETAILED DESCRIPTION

[0025] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0026] Reference Figure 1-5The utility model embodiment is a sand box for casting that is easy to clean, which includes: a mold body 1, both sides of the top of the mold body 1 are fixedly connected with air valve interfaces 4, the air valve interface 4 is used to control the air pressure inside the mold to adjust the internal environment of the mold, the air valve interface 4 is penetrated by a ventilation pipe 15, the ventilation pipe 15 is used to transmit the gas from the air valve interface 4 to various parts of the mold, the top of the ventilation pipe 15 is fixedly connected with an arc bayonet 7, the arc bayonet 7 is used to fix and support the locking Block 8 is ensured to be in the proper position, and a locking block 8 is fixedly connected to one side in the middle of the inside, and the locking block 8 is used to lock and fix certain components in the ventilation duct 15 to prevent them from moving. Rebound grooves 9 are provided around the bottom end of the ventilation duct 15, and the rebound grooves 9 are used to accommodate the resistance block 14 so that it can move back and forth in the groove. The bottom end of the rebound groove 9 is fixedly connected to the resistance block 14, and the resistance block 14 is used to provide necessary support and rebound force during the opening and closing process of the mold. The top of the resistance block 14 resists with a spring 10, and the spring 1 0 is used to provide elastic force to help the resistance block 14 return to its initial position. The top of the spring 10 resists with a rebound column 11, which is used to guide the movement of the resistance block 14 and provide stable support. The bottom end of the rebound column 11 is fixedly connected with a baffle 16 to ensure the stability of the baffle 16 during movement. Both sides of the bottom end of the baffle 16 are fixedly connected with a resistance protrusion 13, which is used to contact with other components to provide additional support and guidance. A main body concave block 1 is inserted into one side of the resistance protrusion 13. 2, the main body concave block 12 is used to receive the abutting convex block 13 to form a stable matching relationship. A feed port 2 is fixedly connected to the middle of the top of the mold main body 1. The feed port 2 is used to add raw materials into the mold. Connecting rods 17 are fixedly connected around the middle of the inside of the feed port 2. The connecting rod 17 is used to connect the feed port 2 with the feed dispersion block 5 to ensure the uniform distribution of the raw materials. One end of the connecting rod 17 is fixedly connected to the feed dispersion block 5. The feed dispersion block 5 is used to disperse the raw materials entering from the feed port 2 so that it can evenly fill the mold.

[0027] The sides of the mold body 1 are fixedly connected with hooks 3, which are used to lift and move the mold. The bottom end of the mold body 1 is uncovered, which is convenient for taking out and cleaning the raw materials, and an internal mold groove 6 is opened inside, which is used to accommodate and guide the flow of raw materials. The number of air valve interfaces 4 is set to eight, and they are evenly distributed to ensure uniform adjustment of the air pressure inside the mold. The locking block 8 is located below the arc bayonet 7, and the locking block 8 and the arc bayonet 7 are both circular rings. This design enables the locking block 8 to adapt to ventilation ducts 15 of different sizes. The feed port 2 and the feed dispersion block 5 are both truncated cones, which are conducive to the flow and dispersion of raw materials. The feed port 2 has a large opening at the top and a small opening at the bottom, which is conducive to the smooth entry of raw materials. The feed dispersion block 5 has a small opening at the top and a large opening at the bottom, which is conducive to the uniform distribution of raw materials inside the mold. The number of connecting rods 17 is set to four, and they are evenly distributed to ensure the stability of the feed dispersion block 5 and the uniformity of raw material distribution.

[0028] Working principle: The mold body 1 is hoisted to the working platform through the hook 3, and is fitted with the matching mold, and is poured through the feed port 2 to complete the pouring. After cooling, the mold body 1 is hoisted to the cleaning workbench, the air pipe is connected to the air valve interface, and high-pressure gas enters the ventilation pipe 15, and the resistance block 14 is lifted up, and the gas is sprayed all around to clean the residual casting sand in the internal groove 6 of the mold. When the gas delivery in the air pipe is closed, the spring 10 in the rebound groove 9 will quickly pull back the rebound column 11 and then make the resistance block 16 fit with the mold body 1, completing the operation and entering the next work process.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A sand box for casting that is easy to clean, comprising: The mold body (1) is characterized in that: both sides of the top of the mold body (1) are fixedly connected with air valve interfaces (4), the interior of the air valve interface (4) is penetrated by a ventilation pipe (15), the top of the interior of the ventilation pipe (15) is fixedly connected with a circular arc bayonet (7), and a locking block (8) is fixedly connected to the middle side of the interior, the bottom of the ventilation pipe (15) is provided with rebound grooves (9) all around, the bottom of the rebound groove (9) is fixedly connected with a resistance block (14), the top of the resistance block (14) is resisted with a spring (10), the top of the spring (10) is resisted with a rebound column (11), the bottom of the rebound column (11) is fixedly connected with a baffle (16), the bottom of the baffle (16) is fixedly connected with resistance protrusions (13) on both sides, and a main body concave block (12) is inserted into one side of the resistance protrusion (13); A feed port (2) is fixedly connected to the middle of the top of the mold body (1), a connecting rod (17) is fixedly connected to the inner middle of the feed port (2), and a feed dispersion block (5) is fixedly connected to one end of the connecting rod (17).

2. The easy-to-clean sand box for casting according to claim 1, characterized in that: The sides of the mold body (1) are fixedly connected with hooks (3).

3. The sand box for casting that is easy to clean according to claim 1, characterized in that: The bottom end of the mold body (1) has no cover, and an internal mold groove (6) is provided inside.

4. The easy-to-clean sand box for casting according to claim 1, characterized in that: The number of the gas valve interfaces (4) is set to eight and they are evenly distributed.

5. The sand box for casting that is easy to clean according to claim 1, characterized in that: The locking block (8) is located below the circular arc bayonet (7), and both the locking block (8) and the circular arc bayonet (7) are circular rings.

6. The easy-to-clean sand box for casting according to claim 1, characterized in that: The feed inlet (2) and the feed dispersion block (5) are both truncated cones; the feed inlet (2) has an opening that is larger at the top and smaller at the bottom, while the feed dispersion block (5) has an opening that is smaller at the top and larger at the bottom.

7. The easy-to-clean sand box for casting according to claim 1, characterized in that: The connecting rods (17) are arranged in four numbers and are evenly distributed.

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