Box pressing iron for casting pouring

Abstract

The utility model relates to a box pressing iron for casting, which comprises a box pressing iron body, and one surface of the box pressing iron body is a convex surface. A plurality of transverse bosses are uniformly distributed on the convex surface, and a gap is reserved between every two adjacent transverse bosses to form a transverse groove; a plurality of transverse bosses and transverse grooves are evenly distributed in the convex face, a plurality of longitudinal grooves are evenly distributed in the convex face, a gap is reserved between every two adjacent longitudinal grooves, each longitudinal groove penetrates through all the transverse bosses and all the transverse grooves, the longitudinal grooves are communicated with the transverse grooves, and the transverse bosses are divided into a plurality of boss units through the longitudinal grooves and the transverse grooves. An exhaust network is formed between the longitudinal grooves and the transverse grooves in the box iron body and covers the bottom of the box iron body, and gas accumulation is effectively reduced. The transverse boss is divided into a plurality of boss units by the longitudinal grooves and the transverse grooves, so that the overall stress of the sand box is uniform, the risks of box expansion and flash are reduced, the plurality of boss units ensure stable pressing force distribution, the deformation of the sand box caused by non-uniform stress at the bottom is avoided, and the quality of the sand box is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a mechanical structure especially a kind of pressure box iron for casting pouring. BACKGROUND

[0002] Pressure box iron is the special iron block pressed on sand box to prevent metal liquid buoyancy from lifting sand box and causing casting fire, box expansion during casting pouring. The existing pouring adopts conventional pressure box iron, and the bottom is plane. The gas in the sand box during pouring is difficult to discharge, causing problems such as box expansion, blowhole and gasification. In order to ensure the smooth exhaust of the bottom of the pressure box iron, many manufacturers use square steel to pad the bottom of the pressure box iron to ensure the exhaust of the bottom of the pressure box iron by suspending the pressure box iron and the sand mold surface of the sand box. However, the contact area between the square steel and the sand box is small, and the large-area sand mold surface cannot be pressed tightly enough, causing casting defects such as box expansion and flash. SUMMARY

[0003] The utility model at least solves one of the technical problems in the related art to some extent. To this end, the utility model provides a pressure box iron for casting pouring.

[0004] The utility model discloses a kind of pressure box iron for casting pouring, and the technical scheme adopted to solve its technical problem is: a pressure box iron for casting pouring, including pressure box iron body, one side of the pressure box iron body is convex surface;

[0005] The convex surface is uniformly distributed with multiple horizontal bosses, and there is a space between adjacent two horizontal bosses to form horizontal grooves. The convex surface is also uniformly distributed with multiple longitudinal grooves, and there is a space between adjacent longitudinal grooves. Each longitudinal groove penetrates all horizontal bosses and horizontal grooves. The longitudinal groove and the horizontal groove are communicated, and the longitudinal groove and the horizontal groove separate the horizontal bosses into multiple boss units.

[0006] In a preferred embodiment of the utility model, the outer contour of each boss unit is a circular arc surface, and a high-temperature-resistant elastic gasket is provided on each boss unit.

[0007] In a preferred embodiment of the utility model, the convex surface of the pressure box iron body is provided with a frame pressing part at both ends, and the height of the frame pressing part is not less than the height of the horizontal boss.

[0008] In a preferred embodiment of the utility model, the outer contour of the frame pressing part is a circular arc surface, and a high-temperature-resistant elastic gasket is also provided on the frame pressing part.

[0009] In a preferred embodiment of the utility model, the high-temperature-resistant elastic gasket is made of silica gel material.

[0010] In a preferred embodiment of the present application, the other side of the pressing box iron body opposite to the convex surface is a plane.

[0011] In a preferred embodiment of the present application, the pressing box iron body is a cuboid structure, and the pressing box iron body is provided with a lifting lug at each end.

[0012] In a preferred embodiment of the present application, the lifting lug is cast, and a round steel is arranged in the lifting lug.

[0013] The present application has the advantages that: the longitudinal grooves and the transverse grooves on the pressing box iron body form an exhaust network, the exhaust grid covers the bottom of the pressing box iron body, and effectively reduces the gas accumulation. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structure schematic diagram of the present application Figure One ;

[0015] Figure 2 is a structure schematic diagram of the present application Figure Two ;

[0016] Figure 3 is a side view of the present application;

[0017] Figure 4 is a structure schematic diagram of the transverse convex strip and the transverse groove of the present application;

[0018] In the figure: convex surface A; plane B; pressing box iron body 1; transverse convex platform 101; transverse groove 102; longitudinal groove 103; convex platform unit 104; frame pressing part 2; lifting lug 3. DETAILED DESCRIPTION

[0019] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0020] In the description of the utility model, need understanding is, the term '' center '' '' longitudinal '' '' transverse '' '' length '' '' width '' '' thickness '' '' upper '' '' lower '' '' front '' '' back '' '' left '' '' right '' '' vertical '' '' horizontal '' '' top '' '' bottom '' '' internal '' '' external '' '' clockwise '' '' counterclockwise '' etc. Indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation configuration and operation, therefore can not be understood as the restriction of the utility model. In addition, the term '' first '' '' second '' is only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by '' first '' '' second '' can explicitly or implicitly include one or more said features. In the description of the utility model, the meaning of '' multiple '' is two or more than two, unless otherwise expressly specifically limited.

[0021] As Figures 1 to 4 The utility model provides a kind of compression box iron for casting pouring, including compression box iron body 1, one side of the compression box iron body 1 is convex A;

[0022] The convex A is evenly distributed with multiple transverse bosses 101, and there is a spacing between two adjacent transverse bosses 101 to form a transverse groove 102;Multiple longitudinal grooves 103 are also evenly distributed on the convex surface, and there is a spacing between two adjacent longitudinal grooves 103, each longitudinal groove 103 penetrates all transverse bosses 101 and transverse grooves 102, the longitudinal groove 103 and the transverse groove 102 are communicated, and the longitudinal groove 103 and the transverse groove 102 separate the transverse bosses 101 into multiple boss units 104.

[0023] The utility model discloses a press box iron, when using, the convex surface A is placed on the sand box with the sand box, because the press box iron body 1, the spacing of two lateral bosses 101 forms the lateral recess 102, the setting forms the airflow channel of the lateral recess 102, and the gas produced in the pouring process of the sand box is discharged freely through the lateral recess 102 of the bottom of the press box iron body 1, avoids the gas accumulation. And the longitudinal recess 103 all are through all lateral bosses 101 and lateral recess 102, the longitudinal recess 103 with the lateral recess 102 are communicated, that is, the longitudinal recess 103 and the lateral recess 102 form the exhaust network, and the exhaust grid covers the bottom of the press box iron body 1, so that the gas produced in the pouring process of the sand box can be discharged from the longitudinal recess 103 and the lateral recess 102, effectively reduces the gas accumulation, avoids the problems such as the sand box swelling, blowhole, gasification and the like. And the longitudinal recess 103 and the lateral recess 102 divide the lateral boss 101 into a plurality of boss units 104, ensure that the sand box is uniformly stressed, reduce the risk of swelling and fly edge, and the plurality of boss units 104 ensure the stable pressing force distribution, avoid the deformation of the sand box due to uneven stress on the bottom, and ensure the quality of the sand box.

[0024] As a preferred embodiment, the outer contour of each boss unit 104 in the application is a circular arc surface, which makes the contact between the press box iron and the sand mold surface more uniform. A high-temperature-resistant elastic gasket is provided on each boss unit. The high-temperature-resistant elastic gasket can adapt to the slight unevenness of the sand mold surface, and the pressing is more uniform, preventing local damage or deformation of the sand mold surface.

[0025] As a preferred embodiment, the convex surface of the press box iron body 1 is provided with a frame pressing part 2 at both ends, and the height of the frame pressing part 2 is not less than the height of the lateral boss 101. The setting of the frame pressing part 2 realizes the pressing of the sand box edge, enhances the pressing force of the sand box, and prevents the edge area from swelling or fly edge due to gas pressure.

[0026] As a preferred embodiment, the outer contour of the frame pressing part 2 is a circular arc surface, which makes the contact between the press box iron and the sand mold surface more uniform. A high-temperature-resistant elastic gasket is also provided on the frame pressing part 2. The high-temperature-resistant elastic gasket can adapt to the slight unevenness of the sand mold surface, and the pressing is more uniform, preventing local damage or deformation of the sand mold surface. More specifically, the high-temperature-resistant elastic gasket in the application is made of silicone material, which adapts to the working conditions of the press box iron and prolongs its service life.

[0027] As a preferred embodiment, the opposite side of the pressing box iron body 1 to the convex surface A is a plane B. In order to deform the casting, the pressing box iron of the application is placed at both ends or in the middle of the casting, and the plane is placed on the casting, several layers of pressing box iron are determined according to the height of the casting, and the bottom deformation gap is adjusted, and the annealing is corrected together with other stress relief annealing parts. Without the need to make correction equipment, cost is saved, and the multifunctionality of the pressing box iron is realized.

[0028] As a preferred embodiment, the pressing box iron body 1 in the application is a cuboid structure, and the two ends of the pressing box iron body 1 are respectively provided with lifting lugs 3. The lifting lugs 3 are arranged to facilitate lifting and moving the pressing box iron through the lifting lugs 3, and improve the convenience of using the pressing box iron. The lifting lugs 3 in the application are cast, and round steel is arranged in the lifting lugs 3. The round steel serves as an inner chill, ensures that there is no shrinkage hole in the inside of the lifting lug, ensures that the lifting lug does not break in later use, and ensures the service life of the lifting lug.

[0029] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the application. In the specification, the above terms are not necessarily referred to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] In summary, although the application has been disclosed as above with preferred embodiments, the above preferred embodiments are not used to limit the application, and those skilled in the art can make various changes and decorations without departing from the spirit and scope of the application. Therefore, the protection scope of the application is subject to the scope defined by the claims.

Claims

1. A press box iron for casting pouring, characterized by, The pressure box iron body (1) has a convex surface (A) on one side; A plurality of transverse bosses (101) are uniformly distributed on the convex surface (A), and a transverse groove (102) is formed between every two adjacent transverse bosses (101); a plurality of longitudinal grooves (103) are also uniformly distributed on the convex surface, and every two adjacent longitudinal grooves (103) are spaced apart, every longitudinal groove (103) penetrates all the transverse bosses (101) and transverse grooves (102), the longitudinal grooves (103) and the transverse grooves (102) are communicated, and the longitudinal grooves (103) and the transverse grooves (102) separate the transverse bosses (101) into a plurality of boss units (104).

2. The pressure box iron for casting pouring according to claim 1, wherein, The outer contour of each boss unit (104) is a circular arc surface, and a high-temperature-resistant elastic gasket is arranged on each boss unit.

3. The box iron for casting pouring according to claim 1, wherein, The convex surface of the pressure box iron body (1) is provided with a frame pressing part (2) at both ends, and the height of the frame pressing part (2) is not less than the height of the transverse boss (101).

4. The pressure box iron for casting pouring according to claim 3, wherein, The outer contour of the frame pressing part (2) is a circular arc surface, and a high-temperature-resistant elastic gasket is also arranged on the frame pressing part (2).

5. The pressure box iron for casting pouring according to claim 2 or 4, characterized in that, The high-temperature-resistant elastic gasket is made of silica gel material.

6. The pressure box iron for casting pouring according to claim 1, wherein The pressure box iron body (1) has a flat surface (B) on the side opposite to the convex surface (A).

7. The pressure box iron for casting pouring according to claim 1, wherein The pressure box iron body (1) has a rectangular parallelepiped structure, and the pressure box iron body (1) is provided with an ear (3) at both ends.

8. The pressure box iron for casting pouring according to claim 7, wherein The ear (3) is cast, and a round steel is arranged in the ear (3).

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