Sand coating manufacturing method for double-metal alloy hammer
A manufacturing method and coated sand technology, which is applied in the field of alloy parts manufacturing, can solve the problems of large product size deviation, low utilization rate of molten iron, poor finish, etc., and achieve the effects of small product size deviation, reduced labor costs, and high safety
Active Publication Date: 2014-12-10
宁国市四方钢球模具设备有限公司
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Problems solved by technology
Composite technology is often used in production. However, the current production mainly uses sodium silicate sand molding to produce composite bimetallic material parts. The cast products have defects such as large product size deviation, low utilization rate of molten iron, sand inclusions, and poor finish.
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Embodiment Construction
[0037] refer to figure 1 , a method for manufacturing bimetallic alloy hammer-coated sand proposed by the present invention includes the following steps S1-S7.
[0038] S1. The hammer handle is made of the first metal material.
[0039] refer to figure 2 , Figure 4 , the hammer handle 2 is cast by layer pouring method, and the specific steps are as follows:
[0040] S11. Refer to image 3 , the hammer handle sand mold 20 is manufactured by the coated sand method, the hammer handle sand mold 20 is provided with a pouring hole 201, the pouring hole 201 is a through hole, and a riser cup 21 that can be inserted into the pouring hole 201 is made;
[0041] S12. Refer to Figure 5 , stacking a plurality of hammer handle sand molds 20, and blocking the pouring hole of the bottom hammer handle sand mold 20, inserting the riser cup 21 into the pour hole of the top hammer handle sand mold 20;
[0042] S13, using the second pressing piece to fix the hammer handle sand mold 20;
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The invention provides a sand coating manufacturing method for a double-metal alloy hammer. The sand coating manufacturing method comprises the following steps: S1, manufacturing a hammer handle by using a first metal material; S2, manufacturing a hammerhead sand mould by a sand ejection machine, wherein the hammerhead sand mould comprises a shell and a sprue cup, a through hole is formed in the bottom of the shell and the sprue cup can be mounted at the top of the shell and is communicated with an inner cavity of the shell; S3, fixedly mounting the shell and enabling a first end of the hammer handle to penetrate through the through hole formed in the bottom of the shell; clamping a second end of the hammer handle in the shell; S4, detachably mounting the sprue cup at the top of the shell and arranging a first pressing piece for fixing the sprue cup; S5, pouring a second metal material into the shell through the sprue cup; S6, wrapping the second end of the hammer handle with the second metal material in the shell, condensing to form a hammerhead, and integrally connecting the hammerhead with the hammer handle to form an alloy hammer; and S7, disassembling the first pressing piece and the sprue cup and separating the alloy hammer from the shell. By adopting the sand coating manufacturing method, the production efficiency of products is improved and the scale deviation of the products is reduced.
Description
technical field [0001] The invention relates to the technical field of manufacturing alloy parts, in particular to a method for manufacturing bimetallic alloy hammer-coated sand. Background technique [0002] Composite bimetal materials can provide different properties in different parts of parts, not only can have good mechanical properties and high service life, but also have wide application and low cost. Therefore, the research on composite technology not only has high theoretical value, but also has certain practical value. Composite technology is often used in production. However, the current production mainly uses sodium silicate sand molding to produce composite bimetallic material parts. The cast products have defects such as large product size deviation, low utilization rate of molten iron, sand inclusions, and poor finish. Contents of the invention [0003] Based on the technical problems existing in the background technology, the present invention proposes a m...
Claims
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Login to View More IPC IPC(8): B22C9/02B22C9/22B22D19/16
Inventor 操应胜
Owner 宁国市四方钢球模具设备有限公司