4results about How to "Avoid workpiece damage" patented technology

The application discloses a flexible dust sticking device, and relates to the field of cleaning devices, which comprises a rack comprising a first supporting column; a pneumatic cylinder mounted on the first supporting column and having a movable rod capable of moving in a vertical direction; a mounting plate fixedly connected to the movable rod; a fixed shaft fixedly mounted on the mounting plate; a first rotating sleeve and a second rotating sleeve vertically slidably sleeved on the fixed shaft, wherein the first rotating sleeve is located below the second rotating sleeve; a first spring and a second spring sleeved on the fixed shaft; a dust sticking roller with an end portion rotationally connected to the first rotating sleeve; and a cleaning roller with an end portion rotationally connected to the second rotating sleeve, wherein the outer circumferential surface of the cleaning roller is tangent to the outer circumferential surface of the dust sticking roller. When the dust sticking roller is pushed upward by a workpiece, the first rotating sleeve moves upward to compress the first spring, and the cleaning roller is always in close contact with the dust sticking roller under the action of the second spring. The flexible dust sticking device can realize flexible contact of the dust sticking roller to the workpiece and stable contact of the cleaning roller to the dust sticking roller in a simple and compact structure.

The utility model provides a universal electric drill gun, including drill gun body and rotation cover, is equipped with power axis on the drill gun body, is equipped with first steering body on power axis, is equipped with second steering body one side of first steering body, and one steering body and second steering body structure are same, is equipped with output shaft on second steering body, first steering body includes half tooth ball, and the half tooth ball of first steering body is engaged with the half tooth ball of second steering body. The overall structure can realize the angle adjustment of output shaft, and the output shaft after adjustment makes the drill bit align target position, avoids the phenomenon of drilling deviation, skidding, even damaging workpiece or electric drill gun itself due to the instability of unable to adjust stress. The overall device can be applied to non-vertical or non-horizontal inclined angle drilling requirements, has a larger application scene range, high operation efficiency, convenient operation and great popularization value.

The utility model belongs to numerical control processing technical field discloses a numerical control processing combined tool and numerical control processing equipment, including handle and tool bit subassembly, wherein tool bit subassembly installs in the working end of handle, tool bit subassembly includes tool bit body and sets up a plurality of processing cutting edges on tool bit body, and a plurality of processing cutting edges include edge correction blade, rough milling blade, up and down chamfer blade, fine milling blade and dovetail reverse chamfer blade from top to bottom along handle axial in proper order, this numerical control processing combined tool and numerical control processing equipment not only avoided the positioning error and workpiece damage caused by frequent replacement of tool, improved the stability and continuity of processing process, reduced artificial intervention, also effectively reduced the processing difficulty and manufacturing cost of subsequent rework, polishing and other procedures, effectively inhibited burr, corner and misplacement defects, improved processing precision and corner quality, especially suitable for high appearance precision requirement shell type part's large batch automation processing.

The utility model belongs to rubber product forming die technical field, concretely relates to a kind of preforming rubber mould, including rubber sleeve mould, and rubber sleeve mould includes male die and female die, is provided with several convex moulds on male die, and mould is same with workpiece specification, and several inner concave mould cavities matched with mould are formed on female die, and mould and mould cavity are one-to-one correspondence, corresponding positioning hole is provided on male die and female die, and the positioning of male die and female die is realized by positioning column assembly to positioning hole, after male die and female die are matched, mould is placed in mould cavity, and clearance layer is between the outer surface of mould and mould cavity inner wall, and clearance layer constitutes the forming cavity of rubber sleeve. Utilize rubber sleeve mould, and rubber sleeve is independently formed, then rubber sleeve is wrapped to workpiece, avoid the problem of excessive glue gathering, extrusion damage workpiece in the process of forming rubber sleeve by directly carrying out flat plate vulcanization to workpiece. Overcome the problem of uneven thickness of rubber sleeve, workpiece eccentricity etc.