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Internal cooling grinding wheel

A grinding wheel and grinding technology, applied in the field of grinding tools, can solve the problems of difficult nozzle or coolant supply, limited gas cooling effect, low penetration efficiency, etc., and achieve the effect of reducing temperature, avoiding grinding burns, and fully cooling

Active Publication Date: 2014-08-06
XIANGTAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the penetration efficiency of conventional pouring cooling is low. Due to the limited gas cooling effect of low-temperature air cooling, other cooling methods may cause eccentric vibration of the grinding wheel, or require special and complicated nozzles or difficult to supply coolant.

Method used

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Embodiment Construction

[0014] like figure 1 , figure 2 , image 3 , Figure 4 Shown, a kind of internal cooling grinding wheel, described grinding wheel body 2 is a bowl-shaped structure, on the grinding wheel body 2 there is a knife handle 1, and the abrasive grains 9 are evenly distributed under the cavity wall of the grinding wheel body, on the side of the grinding wheel body 2 There is a cooling liquid chamber 4 at the handle end, and it is sealed by a circular plate 3, and a cooling liquid injection hole 6 is arranged on the circular plate 3; In the cavity 5; in the cavity wall of the grinding wheel body 2, there are coolant channels 8 evenly distributed; the inlet of the coolant channel 8 is located in the coolant cavity 4 of the grinding wheel body, and the injection port of the coolant channel 8 is located between two adjacent abrasive grains 9. Inside; the number of coolant passages 8 is the same as the number of abrasive grains 9 . The plane B where the injection port of the cooling l...

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Abstract

The invention discloses an internal cooling grinding wheel. A grinding wheel body is of a bowl-shaped structure, a cutter handle is arranged on the grinding wheel body, grinding particles are distributed below the cavity wall of the grinding wheel body evenly, a cooling liquid cavity is formed in the cutter handle end of the grinding wheel body and sealed by a round plate, and a cooling liquid injection hole is formed in the round plate. A center through hole is formed in the cutter handle and through the center cavity of the grinding wheel body. Cooling liquid channels are distributed in the cavity wall of the grinding wheel body evenly, inlets of the cooling liquid channels are positioned in the cooling liquid cavity of the grinding wheel body, and jet ports of the cooling liquid channels are positioned between two adjacent grinding particles. The internal cooling grinding wheel has the advantages that by means of a supercharging device, cooling liquid is injected through the injection hole and jetted out through the positions between two adjacent grinding particles by means of pressure, gravity and centrifugal force during rotation of the grinding wheel, the temperature of grinding regions is decreased remarkably, grinding burn is avoided, full cooling is achieved, and therefore, the internal cooling grinding wheel is a practical and efficient grinding tool.

Description

technical field [0001] The invention belongs to the technical field of grinding tools, in particular to an internal cooling grinding wheel. Background technique [0002] During the grinding process, the grinding heat generated by grinding is too much. At the same time, because the grinding area is a closed area, it is difficult for the cutting fluid to enter the cutting area for effective cooling, resulting in high local temperature in the grinding area, which makes the grinding process Grinding burns and grinding cracks are prone to occur on the surface of medium workpieces, making it difficult to guarantee the processing quality of parts. How to reduce the grinding temperature and prevent or reduce the thermal damage on the workpiece surface has always been one of the difficult problems to be solved in the grinding process. [0003] Some scholars have conducted a lot of research on the injection technology of coolant during grinding, such as needle-shaped high-pressure je...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24D7/10
Inventor 彭锐涛唐恒唐新姿谭援强周专
Owner XIANGTAN UNIV
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