Casting method of chilling block with identification

Abstract

The invention provides a casting method for a chiller with a mark, and belongs to the technical field of casting. Comprising the following steps of mold forming, wherein a chilling block model and a chilling block identification number model are arranged on the same mold template; a lower molding sand box and an upper molding sand box are placed on the mold template at the same time, the lower molding sand box corresponds to the chilling block model, the upper molding sand box corresponds to the chilling block identification number model, after a sprue model is placed in the upper molding sand box, sand is pounded in the lower molding sand box and the upper molding sand box, and sand cores in the lower molding sand box and the upper molding sand box are formed; and mold closing: closing the molded lower molding sand box and the molded upper molding sand box to perform casting molding of the chilling block. The casting method for the chilling block with the identification is designed for solving the problems that according to a traditional casting method for the chilling block with the word size, the chilling block identification word size pouring is incomplete, and word size pouring is wrong, the same template is used for the upper model and the lower model, and the chilling block identification word size accuracy rate and the identification number coverage rate can be effectively increased.

Description

Technical Field

[0001] The invention belongs to the technical field of casting, and in particular relates to a casting method of a marked chill. Background Art

[0002] In the traditional chill casting process, the chill with logo is usually cast by placing all the chill models on the lower mold plate, and the chill logo is usually placed on the upper mold plate in convex letters. During the casting process, the upper and lower molds are closed by sand cone positioning, and then poured to produce the chill with logo.

[0003] When designing traditional chiller molds with identification, the upper and lower models need to be made separately and arranged on different templates, and the upper and lower templates need to be stored and used one by one. However, there are many types of chillers in foundries, and the size of chiller mold templates is basically made according to the same specifications. In this way, it is easy to make mistakes in the correspondence between the mold and the identification number during mold storage and chiller production, resulting in incorrect casting of chiller characters.

[0004] The upper chill iron identification number uses convex characters. During the molding process, it is convex on the mold surface and concave on the sand mold. In addition, the identification number font size on the chill iron surface is small. During the paint painting process, paint is likely to accumulate in the font size, resulting in incomplete casting of the identification number.

[0005] The upper and lower mold parting surfaces use a plane parting production method. If sparks occur during the pouring process, the top of the chill will sink due to insufficient thickness, and the font size logo cannot be cast, causing the chill to be scrapped.

[0006] In view of the above-mentioned problems, it is necessary to propose improvements. Summary of the invention

[0007] The technical problem solved by the present invention is to provide a casting method for chilled iron with a mark. The present invention is designed to solve the problems of incomplete casting of the chilled iron mark and easy casting errors in the traditional casting method of chilled iron with a mark. By using the same mold plate for the upper and lower models, the accuracy of the chilled iron mark and the coverage of the mark can be effectively improved.

[0008] In order to achieve the above object, the technical solution adopted by the present invention is:

[0009] A method for casting a marked chill, comprising the following steps:

[0010] Step 1): Mold forming: setting a chill iron model and a chill iron identification number model on the same mold plate;

[0011] Step 2): Sand box molding: placing the lower mold sand box and the upper mold sand box on the mold plate at the same time, making the lower mold sand box correspond to the cold iron model, and making the upper mold sand box correspond to the cold iron identification number model. After placing the sprue model in the upper mold sand box, pounding sand in the lower mold sand box and the upper mold sand box to form the sand core in the lower mold sand box and the upper mold sand box;

[0012] Step 3): Combine the molds: After the lower mold sand box and the upper mold sand box are combined, the cold iron can be cast.

[0013] To further limit the above scheme, the chill iron model and the chill iron identification number model are arranged on the mold plate in a left-right manner, the chill iron model is a male mold and forms a chill iron molding cavity on the lower mold sand box, and the chill iron identification number model is a female mold and forms a chill iron identification number male mold on the upper mold sand box.

[0014] As a further limitation of the above scheme, a runner model and an ingrate model are provided in the cold iron model area on the mold plate, and the runner model and the ingrate model enable the runner and the ingrate to be formed on the lower mold sand box.

[0015] As a further limitation of the above scheme, a sprue positioning is provided in the cold iron identification number model area on the mold plate, and the sprue model enables a sprue to be formed on the upper mold sand box, and the upper opening of the sprue is connected to a pouring cup.

[0016] To further limit the above scheme, the cold iron model area on the mold plate is provided with a lower mold convex positioning around it, and the lower mold convex positioning enables a lower mold concave positioning to be formed on the lower mold sand box, and the cold iron identification number model area is provided with an upper mold concave positioning around it, and the upper mold concave positioning enables an upper mold convex positioning to be formed on the upper mold sand box, and the lower mold concave positioning and the upper mold convex positioning form concave and convex positioning on the parting surface of the lower mold sand box and the upper mold sand box.

[0017] As a further limitation of the above solution, the chill iron model and the chill iron identification number model area on the mold template are both provided with anti-error missing corner positioning.

[0018] As a further limitation of the above solution, a sand box pad is provided on the mold plate.

[0019] The advantages of the present invention compared with the prior art are:

[0020] 1. In this solution, the chill iron model and the font size logo are fixed on the same mold plate, which is not only conducive to the classified storage of the chill iron, but also convenient for the repair of the chill iron mold during use;

[0021] 2. In this solution, all the identification characters on the mold plate must be made of concave characters. The concave characters on the mold are reflected as convex characters on the sand mold. There is no need to worry about incomplete casting due to paint accumulation when applying paint.

[0022] 3. In this scheme, the upper and lower flasks are positioned in concave and convex ways, and the upper mold is convex and the lower mold is concave. This positioning method makes the parting surface of the upper and lower molds lower than the joint surface of the upper and lower flasks, which can ensure that the identification number of the poured chill can be intact even if the parting surface is exposed during the pouring process;

[0023] 4. The casting method of this scheme has been used to produce chills of various types of castings. The casting characters on the surface of the chills are clear, which improves the traceability of the casting quality and facilitates tracking the specific position and use of the chills in subsequent processing and quality inspection;

[0024] 5. This solution simplifies the casting process, reduces the workload of workers in finding chillers, and further improves the accuracy of chiller placement in the process, avoiding quality problems caused by incorrect use of chillers. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the mold template in the present invention;

[0026] Figure 2 It is a schematic diagram of the three-dimensional structure of the mold template in the present invention;

[0027] Figure 3 It is a structural schematic diagram of the upper and lower flask moldings in the present invention;

[0028] Figure 4 It is a structural schematic diagram of the upper and lower molding sand boxes combined in the present invention. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] See also Figure 1-4 , describe the embodiments of the present invention in detail.

[0031] Embodiment: Taking the design of a chiller for a certain type of diesel engine body casting as an example, the present invention provides a casting method of a chiller with a mark, which specifically includes the following steps:

[0032] Step 1): Mold forming: see Figure 1 and 2 As shown, a chill iron model 2 and a chill iron identification number model 3 are set on the same mold template 1;

[0033] Step 2): Sand box molding: see Figure 3 As shown, the lower mold flask 12 and the upper mold flask 13 are placed on the mold plate 1 at the same time, so that the lower mold flask 12 corresponds to the cold iron model 2, and the upper mold flask 13 corresponds to the cold iron identification number model 3. After the sprue model 21 is placed in the upper mold flask 13, sand is pounded into the lower mold flask 12 and the upper mold flask 13 to form the sand core in the lower mold flask 12 and the upper mold flask 13;

[0034] Step 3): Packing: See Figure 4 As shown, after the lower mold flask 12 and the upper mold flask 13 are molded together, the cold iron can be cast and formed.

[0035] In this embodiment, the chill model and the font size mark are fixed on the same template, which is not only conducive to the classified storage of the chills, but also convenient for the repair of the chill mold during use.

[0036] In a specific implementation: see Figure 1 As shown, the chill iron model 2 and the chill iron identification number model 3 are arranged on the mold plate 1 in a left-right arrangement, the chill iron model 2 is a male mold and forms a chill iron molding cavity 14 on the lower mold sand box 12, and the chill iron identification number model 3 is a female mold and forms a chill iron identification number male mold 15 on the upper mold sand box 13.

[0037] A runner model 5 and an ingrate model 6 are provided in the region of the cold iron model 2 on the mold plate 1 , and the runner model 5 and the ingrate model 6 form a runner 17 and an ingrate 18 on the lower molding sand box 12 .

[0038] In this embodiment, all identification characters on the mold plate must be made of concave characters, and the concave characters on the mold are reflected as convex characters on the sand mold. There is no need to worry about incomplete casting due to paint accumulation when painting the convex characters.

[0039] In a specific implementation: see Figure 1 As shown, a sprue positioning 7 is provided in the region of the cold iron identification number model 3 on the mold plate 1, and the sprue model 21 enables a sprue 19 to be formed on the upper mold sand box 13, and the upper opening of the sprue 19 is connected to a pouring cup 20.

[0040] In a specific implementation: see Figure 2 As shown, a lower mold convex positioning 8 is provided around the cold iron model 2 area on the mold plate 1, and the lower mold convex positioning 8 forms a lower mold concave positioning on the lower mold sand box 12. An upper mold concave positioning 9 is provided around the cold iron identification number model 3 area, and the upper mold concave positioning 9 forms an upper mold convex positioning on the upper mold sand box 13. The lower mold concave positioning and the upper mold convex positioning form concave and convex positioning on the parting surface 16 of the lower mold sand box 12 and the upper mold sand box 13.

[0041] In this embodiment, the positioning between the upper and lower flasks must be done by concave-convex positioning, with the upper mold being convex and the lower mold being concave. This positioning method makes the parting surface of the upper and lower molds lower than the joint surface of the upper and lower flasks, which can ensure that the cold iron identification number of the casting can be intact even if the parting surface leaks during the casting process.

[0042] In a specific implementation: see Figure 2 As shown, the cold iron model 2 and the cold iron identification number model 3 on the mold template 1 are both provided with anti-error missing corner positioning 10 to ensure that the upper and lower molding sand boxes are accurately matched with the corresponding areas.

[0043] In a specific implementation: see Figure 1 As shown, the mold plate 1 is provided with a sand box pad 4 for supporting the upper and lower sand boxes.

[0044] The present method has been used to produce chills for various castings. The surface of the chills has clear casting characters, which improves the traceability of the casting quality and facilitates tracking the specific location and use of the chills in subsequent processing and quality inspection. The present method simplifies the casting process, reduces the workload of workers in finding the chills, and further improves the accuracy of the placement of the chills in the process, avoiding quality problems caused by incorrect use of the chills.

[0045] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0046] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A method for casting a marked chill, characterized in that: The following steps are involved: Step 1): mold forming: setting a chill model (2) and a chill identification number model (3) on the same mold plate (1); Step 2): Sand box molding: placing the lower mold sand box (12) and the upper mold sand box (13) on the mold plate (1) at the same time, making the lower mold sand box (12) correspond to the cold iron model (2), and making the upper mold sand box (13) correspond to the cold iron identification number model (3), after placing the sprue model (21) in the upper mold sand box (13), pounding sand into the lower mold sand box (12) and the upper mold sand box (13), so that the molding in the lower mold sand box (12) and the upper mold sand box (13) is completed; Step 3): closing the mold: after closing the molded lower mold sand box (12) and the upper mold sand box (13), the casting and molding of the cold iron can be carried out.

2. A method for casting a marked chill according to claim 1, characterized in that: The cold iron model (2) and the cold iron identification number model (3) are arranged on the mold plate (1) in a left-right arrangement; the cold iron model (2) is a convex mold and forms a cold iron molding cavity (14) on the lower molding sand box (12); the cold iron identification number model (3) is a concave mold and forms a cold iron identification number convex mold (15) on the upper molding sand box (13).

3. The casting method of a marked chill according to claim 1, characterized in that: A runner model (5) and an ingrate model (6) are provided in the region of the cold iron model (2) on the mold plate (1), and the runner model (5) and the ingrate model (6) enable a runner (17) and an ingrate (18) to be formed on the lower mold sand box (12).

4. The casting method of a marked chill according to claim 1, characterized in that: A sprue positioning (7) is provided in the area of ​​the cold iron identification number model (3) on the mold plate (1), and the sprue model (21) enables a sprue (19) to be formed on the upper molding sand box (13), and the upper opening of the sprue (19) is connected to a pouring cup (20).

5. The casting method of a marked chill according to claim 1, characterized in that: A lower mold convex positioning (8) is provided around the cold iron model (2) area on the mold plate (1), and the lower mold convex positioning (8) enables a lower mold concave positioning to be formed on the lower mold sand box (12). An upper mold concave positioning (9) is provided around the cold iron identification number model (3) area, and the upper mold concave positioning (9) enables an upper mold convex positioning to be formed on the upper mold sand box (13). The lower mold concave positioning and the upper mold convex positioning enable the parting surface (16) of the lower mold sand box (12) and the upper mold sand box (13) to form concave and convex positioning.

6. The method for casting a marked chill according to claim 1, characterized in that: Anti-error missing corner positioning (10) is provided on the cold iron model (2) and the cold iron identification number model (3) area on the mold template (1).

7. The casting method of a marked chill according to claim 1, characterized in that: A sand box cushion block (4) is provided on the mold plate (1).

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