Electric bench drill capable of avoiding overheating

Abstract

The invention discloses an electric bench drill capable of avoiding overheating. The electric bench drill comprises a base plate, a water tank, a conveying bin, a motor, a drill rod, a rotating shaftand liquid outlet pipes. The electric bench drill has the advantages that the motor drives the drill rod to rotate, and meanwhile, the liquid outlet pipes supply cooling liquid, that is to say, the drill rod and the drilling position of a material are cooled while drilling is conducted, so that the overheating of the drill rod and the material can be avoided; the single motor provides power for rotation of the drill rod and supply of the cooling liquid at the same time, so that the complexity of equipment is reduced, the production cost of the equipment is effectively reduced, and the practicability and popularization of the device are improved; and when the drill rod rotates, synchronous lifting air cylinders which are symmetrically arranged left and right drive the drill rod to descend,so that drilling operation is more convenient.

Description

technical field [0001] The invention relates to the technical field of processing electric drills, in particular to a desktop electric drill which avoids overheating. Background technique [0002] The electric driller uses the motor rotor of the electromagnetic rotary or electromagnetic reciprocating small-capacity motor to perform magnetic field cutting and work, and drives the working device through the transmission mechanism to drive the gear to increase the power of the drill bit, so that the drill bit scrapes the surface of the object and penetrates the object better. Generally speaking, an electric drill is a drilling tool that uses electricity as power. [0003] The electric drill realizes the drilling operation of the material through the rotation of the drill bit. During the high-speed rotation of the drill bit, the friction between it and the material will generate a lot of heat. If the drilling position is not cooled, it may cause the drill bit to overheat and sin...

AI Technical Summary

Problems solved by technology

[0003] The electric drill realizes the drilling operation of the material through the rotation of the drill bit. During the high-speed rotation of the drill bit, the friction between it and the material will generate a lot of heat. If the drilling position is not cooled, it may cause the drill bit to overheat and sinter , so that the service life of the drill bit is greatly reduced, and the material at the drilling position will also burn out due to excessive temperature, which will affect the quality of the material. At the same time, the accuracy of drilling will be reduced due to overheating, especially for This situation is more obvious for thicker metal materials. In the process of processing, due to the longer drilling time, the drill pipe may be softened by heat and break, and the broken drill bit has greater kinetic energy, which may risk of injury

[0004] In the prior art, the cooling operation is generally performed by manually squeezing the coolant to the drill bit and the drilling position, but this method avoids trouble and may also cause the risk of worker injury

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