148results about How to "Flexible sliding" patented technology

The invention discloses a high speed automatic tin-plating machine which comprises an unreeling mechanism, a tin-plating mechanism, a driving and cleaning mechanism, a storage mechanism, a reeling mechanism and a control system sequentially arranged, wherein the unreeling mechanism comprises an unreeling frame, a paying off swing rod, an unreeling transitional wheel, an unreeling belt wheel, a tension adjusting wheel and an unreeling motor; the tin-plating mechanism comprises a tin-plating frame, an acidifying box, an acidifying transitional wheel frame, a solder machine, a pinch roller, a wind knife assembly and an air flue frame; the driving and cleaning mechanism comprises a cleaning frame, a cleaning agent groove, a cleaning transitional wheel bracket, a thickness measuring assembly and a traction assembly; the storage mechanism comprises a storage frame, a fixed wire storage wheel set, a mobile wire storage wheel set and a tension detection mechanism; the reeling mechanism comprises a reeling frame, a reeling guide rail bracket, a vertical wiring device and a horizontal wiring device. The high speed automatic tin-plating machine disclosed by the invention is novel and reasonable in design, ensures the quality and efficient production of tin-plating welding strips, is high in working reliability, better realizes continuous, efficient, high-quality and low-cost tin plating, and is convenient to popularize and use.

The invention relates to a hydraulic pallet type load lifting device applicable to small space. The device comprises a load pallet and a pair of parallelogrammic mechanisms and is characterized in that one end of each of the parallel arms of each parallelogrammic mechanism is hinged on a fixed seat, the other end is articulated with the upper end of a bracket arm, and the lower end of the bracket arm is angularly bent and fixed with a bracket; under the drive of a hydraulic cylinder, the parallelogrammic mechanisms are expanded forwards and descend, or are folded by ascending backwards, around a hinging point of each fixed seat; the load pallet is arranged on the bracket of the parallelogrammic mechanisms by sliding rails; and auxiliary supporting rollers on the sliding rails are matched with fixed sliding grooves so as to support the load pallet kept between the two fixing seats. The invention solves the problem of frequent loading and unloading of loads in a narrow operating space, and has the advantages of simple structure, high working reliability and convenient operation and maintenance.

The invention relates to a spreading roller for a spreader, comprising the rotary roller. The roller is arranged on a roller frame; one end of the roller is provided with a power input shaft; a plurality of blades which can slide left and right, are symmetric left and right and are used for spreading are arranged on the roller; and grooved pulleys for driving the blades to slide left and right are arranged at the two ends of the roller. The spreading roller is characterized in that a slide rail is arranged on the roller; the blades are connected with the slide rail; the end part of the blade is provided with a grooved pulley contact; the outer surface of the blade is provided with blade skin; the grooved pulleys are fixedly connected on a roller frame at the two sides; the grooved pulley is provided with an annular skewed slot; the contact is embedded in the skewed slot in a sliding way; and the grooved pulleys are fixed on the roller frame by a locking bolt. During the spreading, the roller rotates, and the grooved pulleys do not move; the grooved pulleys drive the blades to slide left and right. During the adjusting of the spreading range, the locking positions of the grooved pulleys are adjusted for changing the spreading range of the blades. When the spreading function is not required, the locking bolt is cancelled, and the grooved pulleys are fixed on a rotary shaft by a fixing pin, so that the blades cannot slide left and right.

The invention discloses a PCB testing device and belongs to the technical field of testing devices. The problems that a traditional PCB debugging method is low in detection efficiency, large in labor intensity, low in precision and the like are solved. The PCB testing device comprises an upper mold assembly and a lower mold assembly, wherein the upper mold assembly is arranged above an electric control box, and the lower mold assembly is arranged on an upper panel of the electric control box. Under the effect of a lifting mechanism and an XY axis moving mechanism of the upper mold assembly, a probe on the upper mold assembly is made to penetrate through a probe hole in a probe board of the lower mold assembly, so that the probe makes contact with a product to be tested on a product carrier board for testing the situations such as lack of weld and open-short circuits of main elements of the PCB. The PCB testing device is easy to operate and high in automation degree, simplifies manual operation, reduces labor intensity and improves working efficiency and testing accuracy.

The invention discloses a novel single-leaf push-pull sealing window with a welded mullion and a manufacturing method of the novel single-leaf push-pull sealing window. The novel single-leaf push-pull sealing window is characterized in that the mullion is welded with cross frames which are welded with vertical frames so as to form two rectangular grids; the outer half parts of the inner circumferential surfaces of the two rectangular grids are provided with fixed layers, and are respectively and fixedly provided with glass and screen sashes; the inner half parts of the two cross frames are provided with split sash rails, and the inner half parts of the two vertical frames are provided with convex rails which are correspondingly consistent to the sash rails and are integrated with the vertical frames; the sash rails and the convex rails are combined and butted to form a square-shaped grid which is internally provided with a push-pull sash, so that a push-pull layer is formed; and a sealing wool strip is respectively arranged between the outer side of the push-pull sash and the upper and the lower fan rails and between the outer side of the push-pull sash and the convex rails of one vertical frame adjacent to the vertical frame provided with the screen sashes. The invention has the advantage that the defects that the gaps formed between the sash and the sash and at the connecting positions of the upper-lower opposite parts and the frames are difficultly sealed, the parallel sizes of the upper and the lower horizontal frames are difficultly guaranteed to be consistent due to no support, the thicknesses and the shapes of the sashes are larger, the quantity of the sashes is more, the raw materials are wasted and the cost is high are overcome.

The invention provides a mobile luggage carrying device for air transportation, which comprises a lighting switch and a battery; The vehicle body is of a hollow structure, and seven storage openings are arranged on the left end face of the vehicle body, and seven unloading openings are arranged on the right end face of the vehicle body; 7 loc holes are arrange at that bottom of the end face of theright end of the vehicle body, and one end of the handle is inserted into the inside of the locking hole; The wheels are arranged in two groups, and the wheels are respectively arranged at the frontand rear ends of the bottom ends of the vehicle body; A load plate is arrange inside that vehicle body, and ten supporting shaft are distributed on the top end face of the load plate; The ball is arranged on the support shaft, and the top of the ball is higher than the top end face of the bearing plate; 7 door are arranged in total, and that door is arrange on the right end face of the vehicle body, and the handle is rotatably connected with the bottom of the vehicle door; The invention is advantageous in partitioning the luggage boxes stored in the device, separating the luggage boxes in thedevice from each other, ensuring the regularity between the luggage boxes, and facilitating the post-unloading operation of the personnel.

An energy-saving material stacking and carrying device is disclosed. A base is arranged at the bottom of the device body, A carrier tank is mounted on the top of the base, A tank door is mounted on the front side of the tank, the outer side of the carrier tank is provided with a housing, At both end of that top end of the housing are mount electric pushrods, A placement chamber is mounted on the inner side of the housing, a receiving groove is provided inside the placing chamber, A moving plate is mounted on the top end of the receiving groove, a first suction cup is mounted on the bottom endof the moving plate, both ends of the moving plate are provided with convex plates, a fixing plate is mounted on the bottom end of the receiving groove, A cushion is mounted on the top end of the fixing plate, Support rods are mounted on both sides of one end of the base, the top end of the strut is hinged with a folding handle, The bottom of the base is provided with a shock-absorbing caster wheel, and the top of the moving plate is provided with a plurality of expansion springs, which are flexible in expansion and contraction, convenient for moving the moving plate, and convenient for free adjustment of the space of the accommodating groove to install energy-saving glass with different thicknesses, thus widening the applicable range of the device body and improving its practicability.

The invention relates to a polytetrafluoroethylene foot pad for a computer mouse and a preparation method thereof. A foot pad body is made of a polytetrafluoroethylene sheet, an activating treatment layer is arranged at the surface of the foot pad body, and an adhering layer is arranged at the surface of the activating treatment layer; a PE (polyethylene) protective film is arranged at the lower surface of the polytetrafluoroethylene sheet. The preparation method of the polytetrafluoroethylene foot pad comprises the following steps of (1) material fixing, color matching, and screening; (2) manufacturing of a blank; (3) sintering; (4) turning; (5) surface activating treatment; (6) flattening; (7) film coating. The water contact angle of the activating treatment layer is greater than 15 degrees and is smaller than 45 degrees. The polytetrafluoroethylene foot pad for the mouse prepared by the preparation method has the advantages that the sliding resistance is small, the abrasion-resistant property is realized, and the mouse can be flexibly, quickly and smoothly slide at the surface of any object; the moving speed higher than 4.19m / s can be reached at the surface of common cushion pad, each action can be accurately recorded, the comfortability in use is realized, and the control is accurate.

The invention relates to a non-magnetic planet shaft and a machining process thereof. The non-magnetic planet shaft is made of a stainless steel 0Cr18Ni9 material. The machining process of the non-magnetic planet shaft includes feeding, solution treatment, surface oxalate treatment, spline extruding and heading, machining, inclined spline rolling, straightening, grinding, nitrocarburizing and deoiling washing. The planet shaft manufactured through the process is table and even in organization, not easy to magnetize even in long-time use, flexible in sliding and capable of meeting the requirement for bending strength.

The invention provides a seismic absorption and isolation support with a variable friction coefficient to balance the contradiction between the daily function and the energy consumption capacity due to the friction coefficient of the seismic absorption and isolation support. When the speed is lower than or equal to 15 mm / s, the friction coefficient of the support is smaller than or equal to 0.02; when the speed is higher than or equal to 100 mm / s, the friction coefficient of the support is larger than or equal to 0.05.

The invention discloses a testing device for a PCB board, which belongs to the technical field of testing devices and is designed to solve the problems of low detection efficiency, high labor intensity and low precision of the traditional PCB board debugging method. The testing device of the PCB board includes an upper mold assembly arranged above the electric control box and a lower mold assembly arranged on the upper panel of the electric control box. Under the action of the lifting mechanism and the XY axis moving mechanism of the upper mold assembly, the upper mold assembly The probes on the mold assembly are adjusted to pass through the probe holes on the probe board of the lower mold assembly, so that the probes are in contact with the product to be tested on the product carrier for testing such as missing soldering of main components on the PCB board and Circuit opening and short circuiting etc. The invention has simple operation and high degree of automation, simplifies manual operation, reduces labor intensity, and improves work efficiency and test accuracy.