A kind of multi-frequency numerical control ultrasonic processing method, auxiliary device and processing drilling machine

An ultrasonic processing and auxiliary device technology, applied in metal processing, metal processing equipment, manufacturing tools, etc., can solve the problems of poor surface quality and prone to edge chipping, and achieve the goal of solving edge chipping, improving processing efficiency and improving processing quality. Effect

Inactive Publication Date: 2020-07-03
TAIYUAN UNIV OF TECH
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Problems solved by technology

[0003] The invention aims to solve the technical problem that the existing multi-frequency numerical control ultrasonic machining machine tools are prone to chipping when the tool enters and exits the surface of the workpiece, resulting in poor surface quality

Method used

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  • A kind of multi-frequency numerical control ultrasonic processing method, auxiliary device and processing drilling machine
  • A kind of multi-frequency numerical control ultrasonic processing method, auxiliary device and processing drilling machine

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Embodiment Construction

[0012] In the multi-frequency numerical control ultrasonic machining method of the present invention, when the tool enters or leaves the surface of the workpiece, the free mass block 12 is clamped by the clamping device, and the coupled low-frequency and large-amplitude vibration is removed, thereby realizing single-frequency Processing, improve processing quality, and solve the problem of edge collapse; when the tool is processing the inside of the workpiece, the clamping device is released to allow the free mass block 12 to vibrate freely, and a low-frequency and large-amplitude vibration is coupled to improve processing efficiency. The clamping device here can be a common mechanical structure such as a jaw cylinder, as long as it can satisfy the clamping and releasing of the free mass block 12 .

[0013] refer to Figure 1 to Figure 2 , the present invention also provides an auxiliary device for realizing the above-mentioned multi-frequency numerical control ultrasonic mach...

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Abstract

The invention relates to the technical field related to numerical control ultrasonic processing, in particular to a multi-frequency numerical control ultrasonic processing method, an auxiliary deviceand a machining drilling machine. The processing method comprises the steps that a free mass block is clamped by a clamping device when a tool enters the surface of a workpiece or leaves the surface of the workpiece; and the clamping device is loosened to freely vibrate the free mass block when the tool is used for processing the inside the workpiece. The auxiliary device is used for implementingthe above processing method and comprises two clamping jaw assemblies, and each clamping jaw assembly comprises a gear arranged on a rotating shaft in a sleeving manner, a first connecting rod, a second connecting rod and a claw petal, wherein one end of the claw petal is provided with a clamping portion; and the gears of the two clamping jaw assemblies are arranged on the two rotating shafts in asleeving manner to be meshed with each other, and the two gears drive the clamping portions of the two claw petals to get close to each other to clamp the free mass block or get far away from each other to loosen the free mass block through meshed transmission. The machining drilling machine is provided with the above auxiliary device, the processing efficiency can be improved, the phenomenon ofedge breakage can be eliminated, and the surface quality is improved.

Description

technical field [0001] The invention relates to the technical field related to numerical control ultrasonic machining, in particular to a multi-frequency numerical control ultrasonic machining method, an auxiliary device, and a machining drilling machine. Background technique [0002] CNC ultrasonic machining is the application of ultrasonic machining technology to CNC machine tools, so that the tool moves irregularly relative to the workpiece, and the precision of the workpiece can be further improved. In order to improve the efficiency of ultrasonic processing, a free mass block is used to vibrate freely during the processing, so that a low frequency and large amplitude (about 4KHZ) vibration is introduced on the basis of high frequency (20KHZ) processing, forming Multiple-frequency ultrasonic processing generates frequency coupling and improves processing efficiency. For example, figure 1 The device shown is a multi-frequency numerical control ultrasonic deep hole machi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23B37/00
CPCB23B37/00B23B2270/10
Inventor 王时英高梵儒李志强刘雨赵俊
Owner TAIYUAN UNIV OF TECH
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