A tool changing device
A technology of tool changing device and tool handle, which is applied in the direction of positioning device, clamping, supporting, etc., can solve the problems of high protection level requirements, complex mechanism, cumbersome workpiece clamping and pipeline layout, etc., and achieve convenient pipeline layout, Structural flexibility and light weight effect
Active Publication Date: 2017-02-01
北京奥博汽车电子电器有限公司
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[0090] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.
[0091] The present invention takes the micro CNC automatic drilling machine tool as an example to illustrate the tool changing device. Of course, the present invention is not limited to the micro CNC automatic drilling machine tool, and may also be other types of machine tools. The micro CNC automatic drilling machine tool is provided with a servo positioning device supporting the movement of the main shaft 53. The tool changing mechanism 50 is fixed on the front side of the main shaft 63 through a structure such as a bracket. 63 on. In the present invention, the components of the tool changing device fixed on the main shaft 63 are referred to as the tool changing mechanism 50 , and the tool changing mechanism 50 does not include the tool holder 47 . The servo positioning de...
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The invention discloses a cutter changing device comprising a cutter shank body, a pulling rod, a chuck seat, a chuck ejecting slide sleeve and a chuck positioning ball limiting sleeve. a cavity with a lower opening is vertically formed in the cutter shank body. The upper wall of the cutter shank body is connected to a frame. The upper end of the pulling rod is connected to the cutter shank body, and the lower end of the pulling rod is provided with a stopping protruding block. The other cavity with a lower opening is vertically formed in the chuck seat. A partition is arranged in the middle of the chuck seat which sleeves the pulling rod. The upper wall of the chuck seat is supported by the stopping protruding block. The lower portion of the side wall of the chuck seat is provided with a positioning through hole internally provided with a chuck positioning ball. The chuck ejecting slide sleeve is arranged on a position between the partition and the positioning through hole. The lower end of the chuck ejecting slide sleeve is supported by a retainer ring. An ejecting spring is arranged between the chuck ejecting slide sleeve and the partition. The chuck positioning ball limiting sleeve sleeves the lower portion of the clamping seat. The lower end of the chuck positioning ball limiting sleeve is supported by the other retainer spring and is provided with an extruding block, a tapered face and an expanding cavity on the inner wall. The other ejecting spring is arranged between the chuck positioning ball limiting sleeve and the chuck seat. A first spherical pit is formed in the cutter shank with cutter to be changed and is matched with the chuck positioning ball in size.
Description
technical field [0001] The invention relates to the technical field of machining machine tools, in particular to a tool changing device. Background technique [0002] In the process of automated mass production, the workpiece is positioned and clamped on the workbench with the blank surface, and there will be certain errors in product clamping, but the requirements for the position of the holes to be processed on the workpiece are relatively high. The existing positioning device cannot meet the production needs of precise positioning, resulting in the generation of a large number of defective products and serious waste of raw materials. [0003] At present, most of the micro-CNC machine tools and other machine tools on the market use the main shaft to remain stationary relative to the horizontal position of the machine tool, and only move up and down along Z, so that the workpiece to be processed moves forward, backward, left, and right along X and Y on the worktable to driv...
Claims
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IPC IPC(8): B23Q3/157
CPCB23Q3/157
Inventor 董国庆
Owner 北京奥博汽车电子电器有限公司