a drilling device
A drilling device and drill bit technology, which is applied in the direction of boring/drilling, drilling/drilling equipment, manufacturing tools, etc., can solve the problems of inconvenient cooling of the drill bit, waste of water-emulsion cutting fluid, etc., and achieve enhanced anti-rust effect , the effect of increasing the concentration
Active Publication Date: 2019-04-16
ZUNYI ZHONGBO CEMENTED CARBIDE
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Problems solved by technology
[0004] The purpose of the present invention is to provide a drilling device to solve the problem of waste of water-emulsion cutting fluid due to the inconvenience of manually controlling the water-emulsion cutting fluid to cool down the drill bit
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Embodiment 1
[0023] as attached figure 1 Shown, a kind of drilling device comprises drill bit 9, fixed block 3 and power mechanism, and power mechanism is rotating motor, and fixed block 3 tops are fixedly connected with rotating motor, and rotating motor can drive fixed block 3 to rotate. The connecting seat 1 is provided with a cavity with an upper opening, the fixed block 3 is embedded in the upper part of the cavity and the fixed block 3 is screwed with the side wall of the cavity, the fixed block 3 can close the cavity, and the cavity is vertically provided with It is the partition plate 10 between the first cavity 4 and the second cavity 2, and the partition plate 10 is slidably connected with the connecting seat 1. The partition plate 10 can slide horizontally in the cavity, and the first cavity 4 is provided with a fixed connection The air pump 5 of the seat 1, the air pump 5 is a WP32C-12H miniature air pump. The lower part of the connecting seat 1 is provided with a depression, ...
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The invention relates to the technical field of drilling machining and discloses a drilling device comprising a drill bit, a power mechanism, a fixing block and a connecting seat. A cavity with the open upper portion is formed in the connecting seat, a partition plate for partitioning the cavity into a first cavity body and a second cavity body is arranged in the cavity and slidably connected withthe connecting seat, and an air pump fixed to the connecting seat is arranged in the first cavity body. A protrusion part is arranged on the lower portion of the connecting seat and internally provided with a fixing groove, two protrusions are arranged in the fixing groove, and two grooves are formed in the upper portion of the drill bit. The two grooves can be matched with the two protrusions ina clamped mode, the protrusion part is provided with a material channel located in one side of the fixing groove, the upper portion of the material channel communicates with the second cavity body, and a pressure valve is arranged on the communicating position of the upper portion of the material channel and the second cavity body. An atomizing spray nozzle is fixed to the lower portion of the material channel, the outer side of the drill bit is provided with a sleeve pipe fixed to the outer side of the protrusion part, and the sleeve pipe comprises an outer pipe and an inner pipe slidably connected into the outer pipe. An air cavity is formed in the inner pipe, and an air hole communicating with the air cavity is formed in the side wall of the lower portion of the inner pipe. According to the drilling device, the structure is simple, and the drill bit can be evenly cooled.
Description
technical field [0001] The invention relates to the field of drilling technology, in particular to a drilling device. Background technique [0002] Drilling refers to the operation of machining a hole in a solid material with a drill bit. There are many ways of drilling, including geological drilling, mechanical drilling and so on. Among them, mechanical drilling is widely used in the drilling process of fixing holes on hard metal plates or wood boards. During the processing, a large amount of heat is generated due to the friction of the drill bit on the metal plate or wood boards. A lot of heat will cause some damage to the drill bit, and it is easy to cause the drill bit to break. [0003] In order to avoid the fracture of the drill bit, the existing method is to cool the drill bit by water emulsion cutting fluid. However, the concentration of water-emulsion cutting fluid used in different drilling conditions is different, and the water-emulsion cutting fluid with a low...
Claims
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IPC IPC(8): B23B39/00B23Q11/10
CPCB23B39/00B23Q11/10
Inventor 嵇建斌胡筱胡光强赵伟
Owner ZUNYI ZHONGBO CEMENTED CARBIDE