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A clamping device for sharpening large-diameter taps with internal chips

A clamping device and large-diameter technology, applied in other manufacturing equipment/tools, manufacturing tools, etc., can solve the problems of high cost of indexing table equipment, low fixture sharpening processing efficiency, etc. Simple structure and the effect of improving sharpening efficiency

Active Publication Date: 2017-08-25
HARBIN TURBINE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention solves the problems of low processing efficiency of fixture sharpening and high equipment cost of indexing workbench existing in the existing clamping device for sharpening large-diameter internal chip taps, and further provides a large-diameter internal chip tap. Clamping device for tap sharpening

Method used

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  • A clamping device for sharpening large-diameter taps with internal chips
  • A clamping device for sharpening large-diameter taps with internal chips
  • A clamping device for sharpening large-diameter taps with internal chips

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specific Embodiment approach 1

[0019] Specific implementation mode one: as Figure 1~6 As shown, the clamping device for sharpening large-diameter internal chip taps in this embodiment includes a base 1, a pitch indexing mandrel, a hexagon socket bolt 3, a first stud 4, a first shaft pin 5, a second Pivot pin 6 and second stud 7, base 1 is made of base 1-1 and drum 1-2, the bucket bottom of drum 1-2 and base 1 are fixed as a whole, the barrel of drum 1-2 The center of the bottom is processed with a first threaded hole 1-5, the center of the base 1 is processed with a second threaded hole 1-6, and the diameter of the second threaded hole 1-6 is smaller than the diameter of the first threaded hole 1-5. The upper part of the drum 1-2 is uniformly processed with eight first waist-shaped through holes 1-3 along the circumferential direction, and the lower part of the drum 1-2 is uniformly processed with six second waist-shaped through holes 1-4 along the circumferential direction. The lower part of the pitch in...

specific Embodiment approach 2

[0021] Specific implementation mode two: as Figure 5 with Image 6 As shown, the pitch indexing mandrel described in this embodiment is the first pitch indexing mandrel 2 or the second pitch indexing mandrel 9, the central stud of the first pitch indexing mandrel 2 and the first threaded hole 1 -5 threaded connection, the central stud of the second pitch indexing mandrel 9 is threaded with the second threaded hole 1-6. With such a design, the clamping device for sharpening large-diameter internal chip taps of the present invention can be applied to sharpening internal chip taps with different pitches. Other components and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0022] Specific implementation mode three: as figure 2 As shown, the base 1-1 in this embodiment is a cuboid base, and two U-shaped grooves 1-7 are uniformly processed on the outer edge of each side of the base 1-1. With such a design, the clamping device of the present invention can be conveniently fixed. Other compositions and connections are the same as those in Embodiment 1 or 2.

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Abstract

The invention relates to a clamping device for cutter sharpening of large-diameter hollow center taps. The clamping device solves the problems that in existing clamping devices for cutter sharpening of the large-diameter hollow center taps, the machining efficiency of cutter sharpening of clamps is low and the equipment cost of indexing tables is high. Eight first kidney-shaped through holes are uniformly formed in the upper part of a barrel in the circumferential direction, six second kidney-shaped through holes are uniformly formed in the lower part of the barrel in the circumferential direction, and the lower part of a screw pitch indexing core shaft penetrates into the barrel. An inner hexagon bolt is connected to a threaded hole in a screw mode. Two screw holes are uniformly formed in the outer side wall of the upper part of the screw pitch indexing core shaft in the circumferential direction, and a first double-screw bolt and a second double-screw bolt are arranged on the two screw holes correspondingly. Eight first pin holes corresponding to the first kidney-shaped through holes are formed in the middle of the screw pitch indexing core shaft in the circumferential direction, and six second pin holes corresponding to the second kidney-shaped through holes are formed in the lower part of the screw pitch indexing core shaft in the circumferential direction. The clamping device is used for cutter sharpening of the large-diameter hollow center taps.

Description

technical field [0001] The invention relates to a clamping device, in particular to a clamping device for sharpening a large-diameter inner chip tap. Background technique [0002] In the process of rapid development of large-scale equipment, the processing of large-diameter screw holes is also widely used, and the thread of large-diameter screw holes on drilling machines is the first choice for internal chip taps. In the past, the sharpening of internal chip taps was done on the grinding machine, and the worktable of the index plate was used for processing. The existing processing method is as follows: first, the internal chip tap is installed on the fixture on the workbench, and the relative position of the emery wheel and the internal chip tap is adjusted by the depth of the chip removal groove. At this time, only one cutting edge can be sharpened. When sharpening the next cutting edge, it is also necessary to adjust the angle of the next cutting edge on the indexing knif...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B3/00B24B3/18
CPCB24B3/00B24B3/18
Inventor 姜黎生高岩王满山金沙潘维东王其江常海滨于军丹王庆杨艳秋
Owner HARBIN TURBINE
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