Manual Tapping Tools
A tapping and tool technology, applied in the field of manual tapping tools, can solve problems such as broken taps, excessive tapping force, non-perpendicular taps and working surfaces, etc., to achieve the effect of convenient downforce and easy control
Inactive Publication Date: 2016-01-13
RES INST OF ZHEJIANG UNIV TAIZHOU
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- Description
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Problems solved by technology
[0005] The technical problem to be solved by the present invention is to provide a manual tapping tool, which can solve the problem that the tap is not perpendicular to the working surface and the tap is broken due to excessive force when tapping the thread
Method used
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[0037] Such as figure 1 As shown, the manual tapping tool of the present invention includes a tap chuck 1, and the two sides of the tap chuck 1 are respectively fixedly connected to the handle 2; as figure 2 , image 3 As shown, the center of the tap chuck 1 is provided with a through hole 1-1, and the top peripheral edge of the through hole 1-1 forms a step groove 1-2, and the step groove 1-2 is used to accommodate the end cap 32 of the tap 30; The top surface of the head 1 is provided with a rotating baffle 1-4 for fixing the screw tap 30. When the rotating baffle 1-4 is rotated in place, the end cap 32 of the screw tap 30 can be fixed in the step groove 1-2, and the rotating baffle 1-4 4. It can prevent the upward movement of the tap 30 during the working process; the bottom periphery of the through hole 1-1 forms an annular groove 1-3;
[0038] The through hole 1-1 can be circular or square;
[0039] The bottom surface of the tap chuck 1 is fixedly connected to the fix...
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The invention discloses a manual tapping tool which comprises a tap chuck, wherein each of two sides of the tap chuck is fixedly connected with a handle, and a through hole through which a tap penetrates is formed in the center of the tap chuck; the bottom surface of the tap chuck is connected with a small sleeve through a fixing plate, and the small sleeve is connected with a large sleeve through a first spring; the lower end of the large sleeve is connected with the upper end of a hollow guide body, and the lower end of the guide body is fixedly connected with the upper end of a fixing ring; the lower end of the fixing ring is connected with an annular base through a second spring, and the outer part of the guide body is sleeved with a spiral jacket; a plurality of inclined guide pawls are distributed on the side wall of the guide body in the circumferential direction and are fixedly connected with the spiral jacket through screw threads. The manual tapping tool can solve the problems that the tap is not perpendicular to a working surface and the tap is broken caused by too much force applied during tapping.
Description
technical field [0001] The invention relates to a machining tool, in particular to a manual thread tapping tool. Background technique [0002] In the process of mold manufacturing and mechanical processing, some holes need to be manually tapped, which can save the time of installing tooling and improve processing efficiency. However, in the process of using taps to tap threads, the taps are easy to be tapped for the following reasons: 1. The taps are not perpendicular to the surface of the workpiece during tapping, and the pressure causes the taps to twist and break when tapping threads; 2. When tapping threads During the process, it is necessary to give the tap a downward pressure. Too much downward pressure will cause the tap to be broken due to excessive torque. [0003] Chinese utility model patent CN202344066U discloses a manual tapping vertical positioning device, which is provided with a spring in the axial direction to play the role of buffering the average force, b...
Claims
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IPC IPC(8): B23G1/26B23G1/44
Inventor 武建伟陈涛陈伟强许方富
Owner RES INST OF ZHEJIANG UNIV TAIZHOU