9results about How to "Realize unwinding" patented technology

The utility model relates to automatic production line technical field discloses a kind of expansion and contraction subassembly and double-end uncoiling equipment of double-end uncoiling equipment, and expansion and contraction subassembly includes main shaft, main shaft is connected with rotating component transmission, main shaft is equipped with pusher assembly and expansion assembly, rotating component drives main shaft, and pusher assembly and expansion assembly rotation are connected with main shaft;Expansion assembly includes several expansion plates, and expansion plate is enclosed to the cylindrical support surface with main shaft as axis;Pusher assembly is connected with expansion assembly transmission, and pusher assembly drives expansion assembly and moves along the axial direction of main shaft.This scheme expansion assembly when moving along the axial direction of main shaft, expansion plate is driven and moves expansion or reduces along the radial direction of main shaft, change the size of the support surface enclosed, by changing the support surface to the inner wall of different size roll stock support, rotating component drives expansion assembly rotation, and then drive roll stock rotation, to cooperate with material leading structure and realize uncoiling.

The utility model belongs to the technical field of information identification, particularly relates to a limiting device for a shielding door of RFID (Radio Frequency Identification) scanning equipment, and provides the following scheme aiming at the problems that the existing limiting device is complicated in structure and high in cost, and the burden of purchasing and using the equipment is increased for some small enterprises or users with strict cost control. A rolling frame is rotatably connected in the support, electromagnetic shielding cloth is fixedly wound on the rolling frame, and a horizontal rotating shaft is fixedly installed in the rolling frame. When an RFID scanning device sends out a door opening / closing instruction, the driving motor rotates through the horizontal rotating shaft and the unwinding shaft to drive the electromagnetic shielding cloth of the shielding door to ascend and descend; when the electromagnetic shielding cloth of the shielding door arrives at a designated position and the positioning triggering device on the indexing adjusting gear triggers the microswitch, the driving motor can be controlled to stop, so that the electromagnetic shielding cloth can be stably limited, and good practicability is achieved.

The utility model discloses a multi -functional scaffold, including scaffold frame, the top of scaffold frame is fixed with standing board, and the top fixedly connected with two mounting columns of standing board is installed with the winding drum through the embedded joint bearing rotation between two mounting columns top, and the outer wall of winding drum is around the sunshade cloth. The utility model discloses through the effect of the meshing of first bevel gear and fourth bevel gear drives winding drum rotation to realize the unwinding of sunshade cloth, and simultaneously, the meshing of third bevel gear and second bevel gear drives screw rod rotation to make the connecting rod move outward along the slide rod, and then make first rotary rod and second rotary rod rotate to linear placement to spread out sunshade cloth and shade, and then effectively block the direct sunlight to avoid the high temperature heat stroke of construction personnel easily, sunburn, the application increases the sunshade function on the scaffold to reflect the multi -functional property of scaffold.

The utility model provides an ultrathin telescopic line module and electronic equipment, and relates to the technical field of electronic equipment, the ultrathin telescopic line module comprises a data line, a rotating wheel and an electric adapter plate, the data line is wound on the rotating wheel, and the rotating wheel can rotate around the central shaft of the rotating wheel along two opposite clock directions so as to wind or unwind the data line; the electric adapter plate is connected to one end, in the axial direction of the rotating wheel, of the rotating wheel, the electric adapter plate exceeds the rotating wheel in the radial direction of the rotating wheel, and a plurality of electric connection positions are arranged on the side, facing the rotating wheel, of the electric adapter plate at intervals and electrically connected with one end of the data line. The thickness of the ultrathin telescopic line module provided by the utility model is relatively thin, so that the miniaturization of the electronic equipment comprising the ultrathin telescopic line module is facilitated.

The utility model relates to the technical field of oil removing equipment, in particular to an oil removing device for a stainless steel band, which comprises an unwinding mechanism, a liquid spraying mechanism, a cleaning mechanism, a drying box and a winding mechanism which are sequentially arranged along the moving direction of the stainless steel band, when the stainless steel band is subjected to oil removal operation, the two liquid spraying pipes are located on the two sides of the stainless steel band correspondingly, a plurality of liquid spraying holes are formed in the sides, close to the stainless steel band, of the liquid spraying pipes and are sequentially distributed in the vertical direction, and the hole diameters of the liquid spraying holes are sequentially reduced from top to bottom in the vertical direction. Alkaline liquid is sprayed on the stainless steel band through the liquid spraying holes so that the alkaline liquid can make contact with oil attached to the stainless steel band, waste of the alkaline liquid can be avoided in the mode, meanwhile, the liquid spraying holes with the hole diameters sequentially reduced can achieve the effect that the alkaline liquid can be evenly attached to the surface of the stainless steel band, and waste of the alkaline liquid is further avoided.

The utility model discloses a coal sample air-permeable drying box which comprises a drying box body and a plurality of box doors connected to the front end of the drying box body, a plurality of air-permeable bins and a negative pressure bin are arranged in the drying box body, the air-permeable bins are communicated with the negative pressure bin, the negative pressure bin is connected with a fan, a plurality of air inlets are formed in the back face of the drying box body, and a plurality of air outlets are formed in the back face of the drying box body. The air inlet is connected with a conveying channel, the conveying channel is connected with a corresponding air penetration bin, a hopper is connected in the air penetration bin, the air inlet is connected with a filter screen used for filtering gas, and the filter screen is connected with a positioning mechanism used for positioning the filter screen. The filter screen can filter and purify impurities in sucked gas, pollution to a coal sample is reduced, the filter screen is convenient to disassemble and assemble, a new filter screen can be replaced or an old filter screen can be cleaned, the filtering effect is guaranteed, operation is flexible and convenient, and practicability is high.

The utility model discloses hot pressing equipment for processing transformer insulating plates, which comprises a workbench and a lifting plate connected to the workbench, the lifting plate is connected with a hydraulic cylinder used for driving the lifting plate to lift, the bottom of the lifting plate is provided with a connector, the connector is matched with a connector connected to a hot pressing plate, and the connector is connected with the workbench. The connector is connected with a connecting mechanism used for stably connecting the connector and the connector, the connecting mechanism comprises a plurality of positioning columns, a plurality of springs and a plurality of wedge-shaped blocks, the positioning columns are movably connected to the connector, and the springs are used for driving the wedge-shaped blocks to move in the direction away from the connector; and the lifting plate is connected with a driving mechanism for driving the plurality of positioning columns to synchronously move towards the middle direction of the connecting port. According to the utility model, the hot pressboards are convenient to disassemble and assemble, and the hot pressboards with proper sizes can be selected according to the sizes of boards, so that the waste of heat of the hot pressboards is effectively reduced.

The utility model discloses a low-strain take-up device in the related technical field of sensing wire take-up, which comprises a hollow box body, a rotary top cover which covers the box body and is rotationally connected with the upper edge of the box body, and a rotary column which is arranged in the box body and is used for connecting the box body and the rotary top cover, a containing space is formed between the rotating top cover and the box body, two symmetrical clamping grooves are formed in the box body, and the clamping grooves face the rotating top cover and extend to the upper end face of the rotating top cover. The sensing wire storage box comprises the baffle arranged in the closed cavity, the baffle is connected with the inner wall of the box body through the elastic supporting piece, the sensing wire is gathered and limited, when the sensing wire is wound to the enough width, acting force is generated on the baffle, the elastic supporting piece is pressed and contracted, it is guaranteed that the sensing wire can be normally wound and stored, and meanwhile the sensing wire storage box is convenient to use. The sensing line is prevented from loosening and scattering after being stored in the box body, and a guarantee is provided for drawing out the sensing line again.

The utility model provides an ultrathin telescopic line module and electronic equipment, and relates to the technical field of electronic equipment, the ultrathin telescopic line module comprises a data line, a rotating wheel and an electric adapter plate, the data line is wound on the rotating wheel, and the rotating wheel can rotate around the central shaft of the rotating wheel along two opposite clock directions so as to wind or unwind the data line; the electric adapter plate is connected to one end, in the axial direction of the rotating wheel, of the rotating wheel, the electric adapter plate exceeds the rotating wheel in the radial direction of the rotating wheel, a plurality of conductive annular grooves are formed in the side, away from the rotating wheel, of the electric adapter plate at intervals, and the conductive annular grooves are used for electrically making contact with other modules capable of rotating relative to the electric adapter plate. The thickness of the ultrathin telescopic line module provided by the utility model is relatively thin, so that the miniaturization of the electronic equipment comprising the ultrathin telescopic line module is facilitated.