Pipe hole grooving cutter
A technology for grooving and cutting tools, which is applied in drilling tool accessories, manufacturing tools, drilling/drilling equipment, etc. It can solve the problem of inaccurate positioning of grooving in pipe holes, restricting product quality and production efficiency, and inability to form grooves. To meet the problems such as simple structure, low manufacturing cost, stable and reliable performance
Inactive Publication Date: 2016-03-23
NORTHEAST AGRICULTURAL UNIVERSITY
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Problems solved by technology
[0002] Prior to this, the internal grooving of the pipe hole was usually completed by a simple modified tool, which was low in efficiency, the positioning of the grooving position in the pipe hole was not accurate, the depth of the groove was different, and the quality of the groove could not meet the requirements of the subsequent work, which seriously restricted the product. quality and production efficiency, and even bring significant economic losses to the enterprise
Method used
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[0009] The best embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. A pipe hole grooving cutter, which consists of a hexagon head bolt 1, a cutter bar 2, a positioning sleeve 3, a jacket 4, a thrust ball bearing 5, a slotted taper end set screw 6, an eccentric sleeve 7, a pin 8, and a transmission tailstock 9. Cylindrical helical compression spring 10, steel ball 11, key 12, blade 13 are formed. The other end of the eccentric sleeve 7 is threaded to connect the thrust ball bearing 5 and the positioning sleeve 3 in turn, and the other end is inserted into the inner cavity of the transmission tailstock 9, and a cylindrical helical compression spring 10 is added between the two, and a key 12 is used to guide and position the connection; one end of the tool bar 2 Fix the blade 13 with the hexagon head bolt 1, insert the other end into the inner cavity of the eccentric sleeve 7, place a steel ball 11 between the knif...
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The invention discloses a pipe hole grooving cutter being a machining cutter; and the pipe hole grooving cutter consists of a hexagonal head bolt, a cutter bar, a positioning sleeve, a cover, a thrust ball bearing, a grooving conical end fastening screw, an eccentric sleeve, a pin, a transmission tail base, a cylinder spiral compression spring, a steel ball, a key and a blade. One end of the eccentric sleeve is positioned in an inner cavity of the transmission tail base, and the cylinder spiral compression spring is added between the two and fixed by using the key; the other end of the eccentric sleeve is connected with the thrust ball bearing and the positioning sleeve in sequence through threads; one end of the cutter bar fixedly clamps the blade by using the hexagonal head bolt, and the other end is positioned in the inner cavity of the eccentric sleeve; the steel ball is positioned between the cutter bar and the eccentric sleeve; the pin wholly connects the cutter bar, the eccentric sleeve and the transmission tail base to penetrate in the cover; and the cover and the eccentric sleeve are fastened by the grooving conical end fastening screw. The grooving cutter is simple in structure, low in manufacturing cost, precise in grooving position, strong controllability of grooving depth, stable and reliable in performance, wide in application range, strong in popularity and capable of being assembled in rocker arm drilling machines with various model numbers.
Description
Technical field: [0001] The invention relates to a grooving tool used for machining grooves in pipe holes, which is suitable for forming grooves in pipe holes that cannot be completed by turning, milling, etc. in the machining industry, especially for chemical machinery industry and refrigeration industry It is used for marking the strength expansion joint groove after drilling the tube plate hole of the shell and tube heat exchanger in the heat exchange industry. Background technique: [0002] Prior to this, the internal grooving of the pipe hole was usually completed by a simple modified tool, which was low in efficiency, the positioning of the grooving position in the pipe hole was not accurate, the depth of the groove was different, and the quality of the groove could not meet the requirements of the subsequent work, which seriously restricted the product. Quality and production efficiency, and even bring significant economic losses to the enterprise. Invention content...
Claims
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IPC IPC(8): B23B51/00
CPCB23B51/00B23B2220/123
Inventor 王福林董志贵吴志辉王越
Owner NORTHEAST AGRICULTURAL UNIVERSITY