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Sand match vent drilling device

A technology of air holes and sand tires, used in boring/drilling, drilling/drilling equipment, metal processing equipment, etc., can solve problems such as low efficiency, damage to castings, scrap castings, etc. Inefficiency, yield improvement effect

Inactive Publication Date: 2011-04-20
SUZHOU SUZHU FOUNDRY MACHINERY MFG
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AI Technical Summary

Problems solved by technology

[0002] In the casting molding automatic production line, after the molding machine molding is completed, it is necessary to drill air holes on the sand tire to prevent the gas generated during pouring and the original gas in the cavity from being exhausted, resulting in defects such as air holes in the casting and causing castings It is scrapped. The currently used methods of drilling air holes include artificial air hole drilling and a simple air hole drilling device. This method of drilling air holes is not only inefficient but also easy to damage the cavity. This is because when drilling air holes The depth of the piercing hole is difficult to grasp, too deep will damage the casting, and too shallow will lead to poor exhaust effect

Method used

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Embodiment Construction

[0013] like figure 1 The shown sand tire air hole drilling device includes a drill bit 1, and the drill bit 1 realizes control of the feed depth at the feed position under the drive of the lift motor 4. For example, the drill bit feed depth can be set according to the thickness of the tire wall of the sand tire, In order to ensure that the pore depth is not too deep or too shallow, so as to achieve the required ventilation effect.

[0014] In particular, the device drives and controls the reciprocating motion of the drill bit 1 within a lateral limited range by setting the servo motor 2, thereby realizing the servo motor to control the movement of the drill bit device with the lifting motor in four directions, front, rear, left, right, and right within the working range.

[0015] In addition, a hydraulic oil cylinder 3 is also connected to the rear of the drill bit 1, so as to better realize the reasonable control of the drill bit according to the energy provided by the hydrau...

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Abstract

The invention relates to a sand match vent drilling device, which comprises a drill bit, wherein the drill bit is connected with a lifting motor which controls the feeding depth of the drill bit in at longitudinal station; the drill bit is also connected with a servo motor which controls the displacement of the drill bit at a transverse station. The device solves the problem that it is easy to damage a molding cavity when a vent is drilled and the problem that the efficiency is low, can dill needed vents within take time and improve casting yield and has an obvious effect when applied in production practice.

Description

technical field [0001] The present invention relates to a device for drilling (air holes) in a sand tire after a die casting mold is completed. Background technique [0002] In the casting molding automatic production line, after the molding machine is completed, it is necessary to drill air holes on the sand tire to prevent the gas generated during pouring and the original gas in the cavity from being exhausted, resulting in defects such as pores in the casting, which may cause the casting It is scrapped. The currently used methods of drilling air holes include artificial air puncturing and a simple form of air puncturing device. Such air drilling methods are not only inefficient but also easy to damage the cavity. This is because when drilling air holes The depth of the piercing hole is not easy to grasp. Too deep will damage the casting, and too shallow will lead to poor exhaust effect. SUMMARY OF THE INVENTION [0003] The technical problem to be solved by the present...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B41/02
Inventor 王玉南
Owner SUZHOU SUZHU FOUNDRY MACHINERY MFG
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