Dust collection type grinder

A grinding machine and dust collection technology, which can be used in portable grinding machines, grinding machines, grinding/polishing equipment, etc., and can solve the problems of reduced vacuum attraction, reduced motor speed, and low motor speed.

Inactive Publication Date: 2013-11-13
HYPHONE MASCH IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, this type of grinding machine with additional dust collection function is prone to the problem of low motor speed or poor dust collection effect. , if you want to obtain a stronger vacuum suction and improve the dust collection effect, you need to increase the pressure of the motor exhaust port. At this time, the pressure difference between the motor intake port and the exhaust port will be reduced, and the motor speed will be reduced. , causing the horsepower of the grinding machine to drop; relatively, if

Method used

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Examples

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Embodiment Construction

[0048] The following examples are only used to illustrate possible implementation forms of the present invention, but they are not used to limit the scope of protection of the present invention, and are described first.

[0049] Please refer to Figure 1 to Figure 7 , The present invention provides a dust-collecting grinder, which includes a housing 1, a motor 2, a dust-collecting mechanism 3, and a jet mechanism.

[0050] Please refer to figure 1 versus figure 2 The housing 1 has a main body 11, an extension 12, a switch 13, and an exhaust valve 14. The top side of the main body 11 forms a circular arc protrusion 111 for the user to hold, and the main body 11 is provided with a cavity, For the motor 2 to be installed therein, the main body 11 is further provided with a shield 112 extending downward, and a dust collection port 113 is provided on one side of the shield 112. The extension portion 12 is provided on one side of the main body 11, and a gas flow passage, a switch 13 and...

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Abstract

The invention provides a dust collection type grinder, which comprises a shell, a motor, a dust collection mechanism and an air injection mechanism. Compressed air is input to drive the motor to rotate and further drive a grinding disc to rotate; meanwhile, the input compressed air drives peripheral airflow, and the peripheral air, dust and chippings are sucked to achieve a dust collection effect, wherein before the compressed air enters to drive the motor to rotate, the compressed air is divided in advance and the airflow is driven to collect dust, so that the betterdust collection effect is achieved, the influence on the rotational speed of the motor can be avoided or reduced, and the excellent use effect is achieved.

Description

Technical field [0001] The invention relates to a dust-collecting grinder, belonging to the technical field of hand-held grinders. Background technique [0002] A grinder is a tool that rotates or moves the polishing sheet to polish the surface of the workpiece. Among the conventional grinders, some grinders use a motor to rotate the polishing sheet for polishing, and at the same time, it can use the air jet discharged by the motor to drive the airflow The dust or debris generated when grinding the workpiece is sucked in and collected at the back end of the pipeline to avoid affecting the working environment. For example, the US 6,004,197 patent belongs to this type of grinding machine. [0003] However, such grinders with additional dust collection function are prone to problems such as low motor speed or poor dust collection effect. The problem is that in this type of grinder, the exhaust gas jet needs to be used to drive the airflow. , If you want to obtain a strong vacuum suct...

Claims

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Application Information

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IPC IPC(8): B24B23/03B24B55/10
Inventor 丁志明林添赖泊壬
Owner HYPHONE MASCH IND CO LTD
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