Movable boring tool rest
A tool holder and boring tool technology, which is applied in the components of boring machines/drilling machines, metal processing equipment, drilling/drilling equipment, etc., can solve problems such as increasing the cost of pipe manufacturing and processing
Inactive Publication Date: 2011-08-17
HOHAI UNIV CHANGZHOU
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Problems solved by technology
Therefore, at present, the only way to ensure the pressure bearing capacity of the pipeline is to increase the wall thickness of the pipeline, which will greatly increase the manufacturing and processing costs of the pipeline.
Method used
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[0020] Such as figure 1 , 2 , 3, 4, 5, and 6 show a new type of movable tool holder, including a hydraulic cylinder assembly and a tool holder assembly. The hydraulic cylinder assembly includes a cylinder body 12 (integrated with the rear end cover of the knife holder), a plunger 10, a seal 11 is installed on the plunger 10, and the plunger 10 with the seal 11 is installed inside the cylinder body 12, and the cylinder body The left end of 12 is provided with an oil port D; the tool holder assembly includes a boring tool 1, a tool holder 8, a tool holder seat 9, and a front cover 7. A "U"-shaped groove is opened on the upper part of the tool holder 8, and the boring tool 1 is installed on the tool holder. 8 is in the "U"-shaped groove on the upper part, and is fastened and connected to the tool holder 8 by the first screw 2. There is a circular hole in the center of the tool holder 8, and the return spring 4 and the spring seat 3 are installed on the circle in the center of th...
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The invention discloses a novel movable boring tool rest, comprising a hydraulic oil cylinder component and a tool rest component. The movable boring tool rest is characterized in that the tool rest component comprises a tool rest seat; the center of the tool rest seat is provided with a square through hole; the tool rest is arranged in the square through hole at the center of the tool rest seat;the upper part of the tool rest is provided with a U-shaped groove; the boring cutter is fixedly arranged in the U-shaped groove at the upper part of the tool rest; the center of the tool rest is provided with a round hole; a return spring and a spring seat are arranged in the round hole at the center of the tool rest; a front end cover is arranged at the right side of the tool rest and is fixedly connected with the tool rest seat; the hydraulic oil cylinder component comprises a plunger connected with the tool rest; the plunger is arranged in an oil cylinder body; and the left end of the oilcylinder body is provided with an oil port D. According to the invention, when faults are found in the boring process of a workpiece and after the boring of the workpiece is finished, the boring toolrest, together with the boring tool, can realize the tool withdrawing action, so that the boring tool does not influence a processed pipeline surface when a boring rod withdraws from the bored hole of the workpiece.
Description
technical field [0001] The invention relates to a boring tool holder, in particular to a movable boring tool holder, which belongs to the technical field of machinery. Background technique [0002] At present, when boring deep holes in machining, ordinary fixed boring tool holders are usually used. The fixed boring tool holder is characterized in that the boring tool holder is It is fixed, and the retracting action of the boring tool cannot be realized. Therefore, when the workpiece is found to be faulty during the boring process and the boring of the workpiece is completed, when the boring bar withdraws from the bored hole of the workpiece, the boring tool will Scratches are formed on the surface of the workpiece, which affects the processing quality of the workpiece. In the field of electric power, widely used pipes, some of which have certain processing requirements for the inner wall of the pipe, need to use deep hole boring processing, use a fixed boring tool holder du...
Claims
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IPC IPC(8): B23B21/00B23B47/22
Inventor 钱雪松卞新高朱灯林朱天宇朱炳麒陆其清
Owner HOHAI UNIV CHANGZHOU