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Method for casting mechanical arm casting of robot

A robotic arm and robot technology, applied in the direction of manipulator, casting equipment, casting molding equipment, etc., can solve the problem of not allowing casting defects, shorten the filling time, quickly disperse the filling effect, and overcome the defects of cold insulation and pores. Effect

Active Publication Date: 2011-06-01
上海华新合金有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And it is not allowed to have any casting defects in each part of the casting

Method used

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  • Method for casting mechanical arm casting of robot
  • Method for casting mechanical arm casting of robot
  • Method for casting mechanical arm casting of robot

Examples

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Embodiment 1

[0031] see figure 1 , figure 2 , a casting method of a robotic arm casting for the automotive industry of the present invention, comprising the steps of:

[0032] 1. Sand mixing, molding and core making

[0033] The castings of the robotic manipulator use an automatic sand mixer to mix furan resin no-bake sand and then shape and manufacture No. 1, No. 2 and No. 3 sand cores 1 to 3. Before molding, place two strip-shaped cold irons 4, 5 and one ring-shaped cold iron 6 on the lower mold plate to prevent movement during molding, and place two open risers 10, four exhaust pieces 9 and one Bar cold iron7. Then carry out sand filling, compaction, demoulding, repairing, and carry out brushing and surface drying treatment. Then manufacture No. 1, No. 2, No. 3 three sand cores 1~3 (put a piece of bar-shaped cold iron 8 in No. 1 core 1), and place for subsequent use after brushing paint and surface drying.

[0034] 2. Fit

[0035] Put three sand cores 1, 2, and 3 in the lower san...

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Abstract

The invention discloses a method for casting a mechanical arm casting of a robot, which comprises the steps of: sand mulling, modeling, core molding, mold assembly, furnace charge smelting, tapping spheroidizing and inoculation treatment, casting, cooling, unpacking, casting cleaning and product quality inspection. In the method, a two-side distributed casting process is adopted in terms of process designing, and external chill is arranged on the thicker part of the casting. The casting has mechanical properties such as tensile strength of more than or equal to 450MPa, yield strength of more than or equal to 310MPa, elongation rate of more than or equal to 10 percent and body hardness of 160 to 210HBS, and does not have any casting shortcoming.

Description

technical field [0001] The invention relates to a casting method, in particular to a casting method of a casting of an industrial robot mechanical arm. Background technique [0002] The mechanical arm is a key part of the robot used in the production of the automobile industry. This part needs to complete the high-precision displacement requirements under the premise of bearing a certain gravity and bending moment load, so as to meet the high standard of operation stability in the automobile industry. Therefore, the part Components need to have both high strength and resistance to deformation. In response to the above requirements, the structure of the parts adopts a thin-walled (main body wall thickness 7mm) square tube design, and the grade of ductile iron QT450-10 is selected to reduce the self-weight as much as possible while ensuring the parts have high strength and toughness. The mechanical properties of castings should meet the requirements of tensile strength ≥ 450M...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D37/00B22D27/04B22D1/00B22C23/02C22C33/08B25J18/00
Inventor 徐清张宗来李安全蔡中强毕永成
Owner 上海华新合金有限公司
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