The structure of the sand core alignment during the casting process

Abstract

The present invention discloses a core alignment marking structure for a sand core in a casting process, comprising a mold module and a sand core. The mold module is provided with a mold main marking line and a mold limit marking line. The sand core is placed in the mold module, and the sand core is provided with a sand core main marking line and a sand core limit marking line. Among them, the positions of the mold main marking line, the sand core main marking line, the mold limit marking line and the sand core limit marking line can be used to determine whether the core is completely aligned, and the deviation size of the core can also be determined. By this means, the core alignment marking structure for a sand core in a casting process of the present invention can quickly determine whether the core is completely aligned, and can also intuitively determine the deviation size of the core, thereby improving work efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of casting, in particular to a sand core lower core alignment marking structure in a casting process. Background Art

[0002] At present, in the process of core assembly and core setting used by foundries, in order to check the accuracy of the core assembly size, alignment marks are added to the matching position of the sand core and the casting mold. The commonly used core setting marks are made by changing the mold, making a straight line on the sand core and the casting mold, and the operator visually checks whether the two lines on the sand core and the casting mold are aligned to confirm whether the core setting position is qualified. This kind of mark can only visually confirm whether the core is completely aligned, and it is difficult to distinguish the specific core setting deviation size. It is not possible to intuitively identify whether the core setting deviation is within the process tolerance range and whether production can continue.

[0003] The information disclosed in this background technology section is only intended to enhance the understanding of the overall background of the invention and should not be regarded as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to a person skilled in the art. Summary of the invention

[0004] The purpose of the present invention is to provide a sand core lower core alignment marking structure in a casting process, which can quickly determine whether the lower core is completely aligned, and can also intuitively judge the lower core deviation size, thereby improving work efficiency.

[0005] To achieve the above-mentioned purpose, the present invention provides a structure for aligning the lower core of a sand core in a casting process, comprising a mold module and a sand core. The mold module is provided with a mold main mark and a mold limit mark. The sand core is lowered into the mold module, and the sand core is provided with a sand core main mark and a sand core limit mark. Among them, the positions of the mold main mark, the sand core main mark, the mold limit mark and the sand core limit mark can be used to determine whether the lower core is completely aligned, and the deviation size of the lower core can also be determined.

[0006] In one embodiment of the present invention, auxiliary mold marking lines are also provided on the mold module.

[0007] In one embodiment of the present invention, there are a plurality of auxiliary mold marking lines, and a plurality of mold limit marking lines.

[0008] In one embodiment of the present invention, a plurality of mold auxiliary marking lines are respectively located on both sides of the mold main marking line, a plurality of mold limit marking lines are respectively located on both sides of the mold main marking line, and the mold limit marking lines are farther away from the mold main marking line than the mold auxiliary marking lines.

[0009] In one embodiment of the present invention, a sand core auxiliary marking line is also provided on the sand core.

[0010] In one embodiment of the present invention, the number of the sand core auxiliary marking lines is multiple, and the number of the sand core limit marking lines is multiple.

[0011] In one embodiment of the present invention, multiple sand core auxiliary marking lines are respectively located on both sides of the sand core main marking line, multiple sand core limit marking lines are respectively located on both sides of the sand core main marking line, and the sand core limit marking lines are farther away from the sand core main marking line than the sand core auxiliary marking lines.

[0012] Compared with the prior art, the sand core lower core alignment marking structure in the casting process according to the present invention can quickly determine whether the lower core is completely aligned, and can also intuitively judge the lower core deviation size, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 2 is a schematic diagram of a sand core lower core alignment marking structure in a casting process according to an embodiment of the present invention;

[0014] Figure 2 It is another schematic diagram of the alignment mark structure of the lower core of the sand core in the casting process according to one embodiment of the present invention.

[0015] Description of main reference numerals:

[0016] 1-mold module, 11-mold main marking line, 12-mold auxiliary marking line, 13-mold limit marking line, 2-sand core, 21-sand core main marking line, 22-sand core auxiliary marking line, 23-sand core limit marking line. DETAILED DESCRIPTION

[0017] The specific implementation modes of the present invention are described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific implementation modes.

[0018] Unless explicitly stated otherwise, throughout the specification and claims, the term “comprise” or variations such as “include” or “comprising”, etc., will be understood to include the stated elements or components but not to exclude other elements or components.

[0019] Figure 1 It is a schematic diagram of the alignment mark structure of the lower core of the sand core in the casting process according to one embodiment of the present invention. Figure 2 It is another schematic diagram of the alignment mark structure of the lower core of the sand core in the casting process according to one embodiment of the present invention.

[0020] like Figure 1 to Figure 2As shown, a sand core lowering alignment marking structure for a casting process according to a preferred embodiment of the present invention comprises a mold module 1 and a sand core 2. The mold module 1 is provided with a mold main marking line 11 and a mold limit marking line 13. The sand core 2 is lowered into the mold module 1, and the sand core 2 is provided with a sand core main marking line 21 and a sand core limit marking line 23. Among them, it is possible to judge whether the lowering core is completely aligned and the deviation size of the lowering core can also be judged by the positions of the mold main marking line 11, the sand core main marking line 21, the mold limit marking line 13 and the sand core limit marking line 23.

[0021] In one embodiment of the present invention, the mold module 1 is further provided with mold auxiliary marking lines 12. There are a plurality of mold auxiliary marking lines 12, and there are a plurality of mold limit marking lines 13. The plurality of mold auxiliary marking lines 12 are respectively located on both sides of the mold main marking line 11, and the plurality of mold limit marking lines 13 are respectively located on both sides of the mold main marking line 11, and the mold limit marking lines 13 are farther away from the mold main marking line 11 than the mold auxiliary marking lines 12.

[0022] In one embodiment of the present invention, the sand core 2 is further provided with sand core auxiliary marking lines 22. There are multiple sand core auxiliary marking lines 22, and there are multiple sand core limit marking lines 23. The multiple sand core auxiliary marking lines 22 are respectively located on both sides of the sand core main marking line 21, and the multiple sand core limit marking lines 23 are respectively located on both sides of the sand core main marking line 21, and the sand core limit marking lines 23 are farther away from the sand core main marking line 21 than the sand core auxiliary marking lines 22.

[0023] In practical applications, the sand core lower core alignment marking structure of the casting process of the present invention makes the main marking line, auxiliary (warning) marking line and limit marking line on the sand core 2 and the casting mold module 1 respectively, which not only has the function of detecting whether the lower core of the sand core 2 is completely aligned with the old marking line, but also can intuitively detect the size range of the lower core deviation of the sand core 2, which is convenient for judging whether the size deviation exceeds the process requirements, and provides a judgment basis for the quality control of the production process and the on-site process adjustment. No longer a single marking line is used to roughly judge the lower core deviation situation, but in addition to a main marking line, auxiliary marking lines and limit marking lines are added on both sides to assist production personnel in judging the specific lower core deviation size. According to specific needs, multiple auxiliary marking lines can be set, or only limit marking lines are set without auxiliary marking lines. When making marking lines on the casting mold module 1 (mold), the position size of the sand core limit marking line 23 relative to the casting mold limit marking line 13 is made according to the side deviation size B to the main marking line, and the sand core auxiliary marking line 22 is made according to the side deviation size A to the main marking line relative to the corresponding casting mold auxiliary marking line 12. Dimension B is the maximum tolerance value of the core deviation allowed in the production process, and dimension A is the warning tolerance value that is less than B. After the core is set in the production process, the deviation of the marking line can be manually read to directly determine the specific size range of the core deviation without the help of other tools, and make accurate responses. If the main marking line 21 of the sand core is aligned with the main marking line 11 of the casting, the core is completely aligned and the deviation is zero. If the main marking line 21 of the sand core is not aligned with the main marking line 11 of the casting, the deviation range of the core can be determined based on the auxiliary marking lines on both sides. For example Figure 2 In the situation shown, the main marking line 21 of the sand core deviates to the left relative to the main marking line 11 of the casting mold, the auxiliary marking line on the left side of the sand core has deviated beyond the corresponding auxiliary marking line 12 of the casting mold, and the limit marking line on the left side of the sand core has not deviated beyond the limit marking line 13 of the casting mold. It can be directly judged that the sand core is deviated to the left relative to the casting mold after the core is placed, and the deviation value is between A and B.

[0024] In summary, the sand core lower core alignment marking structure of the casting process of the present invention can quickly determine whether the lower core is completely aligned, and can also intuitively judge the lower core deviation size, thereby improving work efficiency and facilitating on-site operators in actual production to intuitively observe the lower core deviation and respond quickly and accurately.

[0025] The foregoing description of specific exemplary embodiments of the present invention is for the purpose of illustration and demonstration. These descriptions are not intended to limit the present invention to the precise form disclosed, and it is clear that many changes and variations can be made based on the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the present invention and its practical application, so that those skilled in the art can realize and utilize various different exemplary embodiments of the present invention and various different selections and changes. The scope of the present invention is intended to be limited by the claims and their equivalents.

Claims

1. A sand core lower core alignment marking structure in a casting process, characterized in that: include: A mold module, wherein the mold module is provided with a mold main marking line and a mold limit marking line; as well as A sand core, wherein the sand core is placed in the casting module and is provided with a sand core main marking line and a sand core limit marking line; Wherein, the casting mold module is also provided with casting mold auxiliary marking lines; Wherein, the number of the auxiliary marking lines of the casting mold is multiple, and the number of the limit marking lines of the casting mold is multiple; Wherein, the plurality of mold auxiliary marking lines are respectively located on both sides of the mold main marking line, the plurality of mold limit marking lines are respectively located on both sides of the mold main marking line, and the mold limit marking lines are farther away from the mold main marking line than the mold auxiliary marking lines; Wherein, the sand core is also provided with a sand core auxiliary marking line; Wherein, the number of the sand core auxiliary marking lines is multiple, and the number of the sand core limit marking lines is multiple; Wherein, the plurality of sand core auxiliary marking lines are respectively located on both sides of the sand core main marking line, the plurality of sand core limit marking lines are respectively located on both sides of the sand core main marking line, and the sand core limit marking lines are farther away from the sand core main marking line than the sand core auxiliary marking lines; Wherein, when making markings on the casting module, the position dimension of the sand core limit marking relative to the casting limit marking is made according to the side deviation dimension B towards the casting main marking, and the sand core auxiliary marking relative to the corresponding casting auxiliary marking is made according to the side deviation dimension A towards the casting main marking; wherein, the dimension B is the maximum tolerance value of the core deviation allowed in the production process, and the dimension A is a warning tolerance value smaller than the dimension B; Wherein, if the main marking line of the sand core is aligned with the main marking line of the casting mold, the lower core is completely aligned and the deviation is zero; If the main marking line of the sand core is not aligned with the main marking line of the casting mold, the deviation range of the core lowering is determined according to the auxiliary marking lines of the casting mold on both sides.

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