Adjustable spiral drill jig

An auger drill and adjustable technology, which is applied in the direction of drilling templates for workpieces, can solve the problems of low efficiency and poor precision of manual drilling, and achieve the effects of easy loading and unloading, liberating labor and improving work efficiency

Inactive Publication Date: 2014-03-19
周琪
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide an adjustable auger mold that can solve the aforementioned problems in view of the problems of low manual drilling efficiency and poor precision in the prior art described in the background technology.

Method used

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  • Adjustable spiral drill jig
  • Adjustable spiral drill jig

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Such as figure 1 A kind of adjustable auger drilling form shown, it comprises base 1, side support plate 2 and the swivel seat 3 that is arranged on the side support plate 2, the drilling form assembly that is rotatably connected on the turn seat 3, the swivel seat 3 The rotating shaft is threadedly matched with the joint of the locking handle 4, and a pressing plate 5 is arranged between the joint and the swivel seat 3. The described drilling template assembly includes a rotating shaft 6, a rotating disk 7 and a detachable drilling die, and the rotating shaft 6 and the rotating shaft The seat 3 is movably connected, and the rotating disk 7 is fixedly connected with the rotating shaft 6. The drilling mold includes a hemispherical mold 9 and a connecting disk 8, and the connecting disk 8 is connected with the rotating disk 7. The hemispherical mold 9 is provided with guides for guiding when a plurality of workpieces are drilled. Holes 10, bosses 11 for pressing workpiece...

Embodiment 2

[0017] The turntable 7 described in the above scheme is connected with the rotating shaft 6 by bolts.

Embodiment 3

[0019] The connecting plate 8 described in Embodiment 1 is provided with a curved groove 12 , and the aperture diameter of the curved groove 12 gradually decreases along the rotation direction of the turntable 7 , and a locking screw 13 is arranged at a corresponding position on the turntable 7 .

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Abstract

The invention discloses an adjustable spiral drill jig. The adjustable spiral drill jig comprises a base, a side supporting board, a rotary base and a drill jig assembly, wherein the rotary base is arranged on the side supporting board, the drill jig assembly is rotationally connected to the rotary base, a rotary shaft of the rotary base is in screw-thread fit with a joint of a locking handle, and a pressing board is arranged between the joint and the rotary base. The drill jig assembly comprises a rotating shaft, a rotary plate and a detachable drill jig body, wherein the rotating shaft is movably connected with the rotary base, and the rotary plate is fixedly connected with the rotating shaft. The drill jig body comprises a hemispherical die and a connection plate which is connected with the rotary plate, wherein the hemispherical die is provided with a plurality of guide holes which play a role in guiding when a workpiece is drilled, and the position, corresponding to the hemispherical die, of the rotary plate is provided with a boss used for pre-tightening the workpiece. The adjustable spiral drill jig is convenient to use, when the acetabulum file workpiece is drilled, the angle of the workpiece can be regulated only by rotating the rotary base so that the workpiece can keep perpendicular to a drill bit, and drilling accuracy is improved.

Description

technical field [0001] The invention relates to the field of mechanical fixtures, in particular to an adjustable helical drilling die used for high-precision drilling of hemispherical workpieces. Background technique [0002] Spherical drilling is used in the manufacture of many devices. In the prior art, spherical drilling is mostly manual operation, such as the acetabular file in the field of medical equipment, which is a hemispherical stainless steel metal product. The spherical surface of the acetabular file There are multiple holes on the top. When drilling, the drill bit must follow the diameter of the hemispherical surface to ensure the position accuracy of each hole. When in use, these holes are used as cutting edges to cut the patient's hip osteonecrosis. Therefore, the precision requirements for drilling are very high. If the drill bit is not perpendicular to the hemispherical surface when drilling, it cannot be guaranteed that the drilled hole is along the diamete...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B47/28
CPCB23B47/282
Inventor 周琪
Owner 周琪
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