Evanescent mode capable of replacing production date of product

Abstract

The utility model relates to an evanescent mode capable of flexibly replacing a product production date. The evanescent mode comprises a sand box, the evanescent mode body is made of a foam material and is arranged in the sand box; wherein a replaceable sheet body is arranged on the outer surface of the evanescent mode body, and a raised first digital mark is arranged on the outer surface of the sheet body; the production gas which is originally printed with years, months and days on the evanescent mode is printed on the sheet body, the sheet body is matched with the evanescent mode body, and the first digital mark protrudes out of the sheet body, so that a cavity for molten metal pouring is formed in the dry sand, and the foamed evanescent mode body and the sheet body are melted together during pouring molding, so that the molten metal is formed. The date of the day is displayed on a casting body after casting molding; and the sheet body can be stamped according to the date of the day to form the first digital mark, so that flexible replacement of the production date on the evanescent mode is realized, and waste of the evanescent mode body is avoided.

Description

Technical Field

[0001] This utility model relates to lost foam casting, and in particular to a lost foam casting with flexible product production date changes. Background Technology

[0002] Lost foam casting is a precision casting technique that uses combustible foam plastic models (lost foam) to form the cavity of the casting. During the casting process, these foam plastic models are coated with refractory materials and dried, then buried in dry sand and compacted by vibration. When molten metal is poured in, the foam plastic model burns and vaporizes, and the molten metal occupies the model's position. After cooling, the casting is formed.

[0003] Some castings need to have the date printed on their surface to indicate the production date, but all the lost foam for that day must be used up, otherwise the lost foam will be wasted due to the incorrect production date;

[0004] In summary, how to achieve flexible replacement of the production date on lost foam casting has become an urgent problem for researchers in this field. Utility Model Content

[0005] The technical problem this invention aims to solve is: how to achieve flexible replacement of the production date on lost foam casting.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0007] This utility model is a lost foam casting machine with flexible product production date change, comprising: a sand box; and a lost foam casting body made of foam material, which is disposed in the sand box; wherein, a replaceable sheet is provided on the outer surface of the lost foam casting body, and a raised first number imprint is provided on the outer surface of the sheet.

[0008] In this design, the production gas originally printed with the date on the lost foam is transferred to a sheet. The sheet fits into the lost foam body, with the first numerical mark protruding from the sheet. This creates a cavity within the dry sand for pouring molten metal. During casting, the lost foam body and the sheet melt together, and the cast body displays the date. The sheet can be stamped to form the first numerical mark according to the date, enabling flexible replacement of the production date on the lost foam and avoiding waste of the lost foam body.

[0009] To avoid unevenness in the cast body after molding, this invention employs a cavity on the outer surface of the lost foam body; the sheet is placed in the cavity, and the outer surface of the sheet is flush with the outer surface of the lost foam.

[0010] In order to better connect the cavity and the sheet and prevent relative movement of the sheet and the lost foam body during the filling of dry sand, this utility model adopts an adhesive between the cavity and the sheet.

[0011] The cavity and sheet are better connected by adhesive.

[0012] The outer surface of the vanishing mold still has a second number marking the year and month, while the sheet only has a raised first number marking the day. Specifically, the outer surface of the vanishing mold on one side of the sheet has a raised second number marking the year and month, while the sheet has a raised first number marking the day.

[0013] In actual production, the first digit marking the day needs to be changed every day, while the second digit marking the year and month does not need to be changed frequently. This setting also shortens the length of the sheet and saves on the cost of using the sheet.

[0014] The beneficial effects of this utility model are as follows: This utility model is a lost foam casting machine with flexible replacement of the production date. The production gas originally printed on the lost foam casting machine with the year, month, and day is printed onto the sheet body. The sheet body cooperates with the lost foam casting machine body, and the first number imprint is raised on the sheet body. In this way, a cavity for pouring molten metal is formed in the dry sand. During the casting process, the foam lost foam casting machine body and the sheet body melt together. After casting, the date of the day is displayed on the casting body. The sheet body can be stamped to form the first number imprint according to the date of the day, realizing the flexible replacement of the production date on the lost foam casting machine and avoiding the waste of the lost foam casting machine body. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0016] Figure 1 This is a top view of the present invention;

[0017] Figure 2 This is a cross-sectional view of the present invention.

[0018] Figure 3 This is the explosion diagram of this utility model. Detailed Implementation

[0019] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0020] like Figure 1-3As shown, this utility model is a lost foam casting machine with flexible product production date replacement, including: a sand box; and a lost foam casting body 1 made of foam material, which is disposed in the sand box; wherein, a replaceable sheet 2 is provided on the outer surface of the lost foam casting body 1, and a raised first number imprint 3 is provided on the outer surface of the sheet 2.

[0021] In this design, the production gas originally printed with the date on the lost foam is transferred to a sheet. The sheet fits into the lost foam body, with the first numerical mark protruding from the sheet. This creates a cavity within the dry sand for pouring molten metal. During casting, the lost foam body and the sheet melt together, and the cast body displays the date. The sheet can be stamped to form the first numerical mark according to the date, enabling flexible replacement of the production date on the lost foam and avoiding waste of the lost foam body.

[0022] like Figure 1-3 As shown, in order to avoid unevenness in the cast body after molding, the present invention adopts a cavity 5 on the outer surface of the lost foam body 1; the sheet 2 is placed in the cavity, and the outer surface of the sheet 2 is flush with the outer surface of the lost foam 1.

[0023] like Figure 1-3 As shown, in order to better connect the cavity and the sheet body and prevent relative movement of the sheet body and the lost foam body during the filling of dry sand, this utility model adopts an adhesive between the cavity and the sheet body 2.

[0024] The cavity and sheet are better connected by adhesive.

[0025] like Figure 1-3 As shown, the outer surface of the lost foam body still has a second number marking the year and month printed on it, while the sheet only has a first number marking the day raised on it. Specifically, the outer surface of the lost foam body 1 on one side of the sheet 2 has a second number marking 4 marking the year and month raised on it, and the sheet 2 has a first number marking 3 marking the day raised on it.

[0026] In actual production, the first digit marking the day needs to be changed every day, while the second digit marking the year and month does not need to be changed frequently. This setting also shortens the length of the sheet and saves on the cost of using the sheet.

[0027] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A lost foam article for replacement of a production date on a product, characterized by, The application relates to a sand box and a foam material lost foam body arranged in the sand box. The outer surface of the lost foam body is provided with replaceable sheets, and the outer surface of the sheets is provided with convex first digital marks. The outer surface of the lost foam body is provided with cavities. The sheets are arranged in the cavities, and the outer surface of the sheets is flush with the outer surface of the lost foam.

2. A lost foam pattern for replacement of a product production date according to claim 1, wherein An adhesive is arranged between the cavities and the sheets. The outer surface of the lost foam body on one side of the sheets is provided with second digital marks marked as years and months, and the sheets are provided with the first digital marks marked as days.

3. A lost foam pattern for replacement of a product production date according to claim 2, wherein ​ 4. A lost foam pattern for replacement of a product production date according to claim 1, wherein ​

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