Guiding screw tap
A technology of guiding taps and guiding posts, applied in the field of fitter tools, can solve the problems of difficulty in meeting the requirement that the tap and the end face of the bottom hole are perpendicular to each other, affecting the tapping efficiency, and easy to swing left and right or back and forth.
Inactive Publication Date: 2015-08-19
刘畅
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- Application Information
AI Technical Summary
Problems solved by technology
When using the existing tap to tap the thread, because the tap is easy to swing left and right or back and forth at the mouth of the bottom hole, it is difficult to meet the requirement that the tap and the end face of the bottom hole are perpendicular to each other. If this situation is not corrected in time and effectively, it will cause The tap is broken, and the thread shape and size do not meet the requirements
In addition, because the tap and the end face of the bottom hole are easy to incline, the operator needs to make multiple adjustments, which is easy to damage the shape of the bottom hole, making it difficult to locate between the tap and the bottom hole, which will inevitably affect the tapping efficiency
Method used
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Embodiment Construction
[0009] A kind of guide screw tap of the present invention will be further described below in conjunction with accompanying drawing:
[0010] Depend on figure 1 It can be seen that the present invention includes a tap body 1 and a guide column 2, the cylindrical surface of one end of the tap body 1 is provided with a thread 12, and the other end is provided with a square clamping head 11; the front end of the thread 12 is provided with a There is a threaded hole 14; one end of the guide column 2 is provided with a threaded installation head 21, and the guide column 2 is connected with the tap body 1 through the cooperation of the installation head 21 and the threaded hole 14.
[0011] The method of use of the present invention is to first screw the installation head 21 of the guide column 2 into the threaded hole 14 at the front end of the tap body 1, then install the clamping head 11 of the tap on the twisted rod, and hold the center of the twisted rod with the right hand. , ...
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Abstract
Disclosed in the invention is a guiding screw tap comprising a screw tap body and a guiding post. Screw teeth are arranged at the cylindrical surface of one end of the screw tap body and a square clamping head is arranged at the other end. A chip pocket is formed in the surfaces of the screw teeth at the axial direction. A threaded hole is formed in the front ends of the screw teeth. A threaded mounting head is arranged at one end of the guiding post; and the guiding post is connected with the screw tap body based on cooperation of the mounting head and the threaded hole. According to the invention, the structure is simple and the guiding screw tap can be used conveniently. And defects that exist when the existing screw tap is used for carrying out tapping can be effectively overcome.
Description
technical field [0001] The invention relates to a fitter tool, in particular to a guide screw tap. Background technique [0002] Fitter is a very important type of work in the machinery manufacturing industry. With the rapid development of the equipment manufacturing industry and the wide application of high-end precision manufacturing technology, the position of fitter in the manufacturing industry is also getting higher and higher. Tapping is one of the basic skills of a fitter. When using the existing tap to tap the thread, because the tap is easy to swing left and right or back and forth at the mouth of the bottom hole, it is difficult to meet the requirement that the tap and the end face of the bottom hole are perpendicular to each other. If this situation is not corrected in time and effectively, it will cause The tap is broken, and the thread shape and size do not meet the requirements. In addition, since the tap and the end face of the bottom hole are easy to incli...
Claims
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CPCB23G5/062
Inventor 刘畅
Owner 刘畅