42results about How to "The hole position is accurate" patented technology

The invention discloses a display panel and a display device. The display panel comprises a plurality of light-emitting devices each of which comprises a planar film layer and a columnar structure protruding from the planar film layer; and a driving backplane provided with bonding pad corresponding to the light-emitting devices one to one and covered by a flexible conductive structure, wherein thecolumnar structures of the light-emitting devices are inserted into the flexible conductive structure to electrically connect metal electrodes wrapping the columnar structures with the correspondingbonding pads. The display panel greatly reduces the influence of wafer warpage on the binding yield, and avoids the binding misalignment caused by the thermal mismatch between the driving backplane and the light-emitting device substrate.

The invention provides an electric drill with an accurately locating function. The electric drill comprises a drill bit, a drill bit installation portion and a handle. A drilling depth locating device is arranged on the front portion of the drill bit installation portion and comprises a measuring ruler, a pulling plate and a fixing button. The measuring ruler is connected with the drill bit installation portion through a reel. A laser range finder is arranged in the drill bit installation portion and connected to a power circuit of the electric drill in series. A laser emitting hole is formed in the surface of the drill bit installation portion. A distance display screen is arranged on the handle which is further provided with a laser range finder control switch. The distance display screen and the laser range finder control switch are connected with the laser range finder in series. Due to the fact that the electric drill is provided with the drilling depth measuring device and the position locating device, the hole depth can be accurately determined, the hole position can be accurately located, multiple drilled holes are uniform, and a hung piece can be set right.

The invention provides a wheel hub drilling device with accurate positioning, and belongs to the field of wheel hub manufacturing equipment. The device comprises a base, wherein a positioning base is arranged on the base; one side of the base is provided with an axis cylinder; a rotating rod sleeves on the axis cylinder; the front end of the rotating rod is provided with a disk; a plurality of holes are formed in the disk; a motor is arranged on the surface of the disk; the motor is connected with a drill to penetrate through the hole on the disk; the front end of the rotating rod is provided with a hydraulic cylinder; a hydraulic rod on the hydraulic cylinder is connected with the disk to stretch the height of the disk so as to be suitable for the wheel hub with different thicknesses. The device is simple and reliable in structure; one drill is aligned with the hole on the wheel hub, the disk is pressed, the other drills begin drilling so as to ensure that the position of the hole on the wheel hub is exact, the positioning is accurate; multiple holes can be processed for the wheel hub, and the efficiency is high.

The invention relates to the technical field of advertising, in particular to frame punching device and method for advertising board manufacturing. A advertising board is placed on a bottom plate, a pressing plate moves up and down through adjustment of an adjusting component, so that the pressing plate fixes the advertising board in the height direction, a side face limiting block moves left and right on the bottom plate through adjustment of the adjusting component, and therefore the side face limiting block limits the side face of the advertising board, the advertising board is fixed to a workbench, and the advertising board is perforated through the work of a perforating assembly, so that the advertising board is not prone to displacement in the perforating process, and the perforating position is accurate.

The invention discloses a perforating device for garment production, and belongs to the field of garment production. The perforating device comprises a base; a plurality of fixing plates are fixed inthe middle of the top wall of the base; two tensioning transmission mechanisms and two buffer pressing mechanisms are symmetrically arranged on the top wall of the base by taking the plurality of fixing plates as the center; a lifting plate is arranged above one side of each fixing plate in a sliding mode; a second motor is fixed to the upper portion, close to one side of the corresponding fixingplate, of each lifting plate; a one-way threaded rod is installed at the driving end of each second motor; the bottom end of each one-way threaded rod is inserted into the top end of the correspondingfixing plate and is in threaded connection with the corresponding fixing plate; and a third motor is fixed to one side of the corresponding lifting plate and located above the corresponding second motor. According to the scheme, cloth can be conveniently and efficiently tensioned, and tensioning force is uniform, so that wrinkles of the cloth cannot be caused; and a to-be-punched point of the cloth can be supported during punching, so that the to-be-punched point of the cloth is prevented from deviating, and the punching position is more accurate.

The invention discloses a punching device with relatively high drilling efficiency for a hardware connecting piece. The punching device comprises a workbench, wherein a storage battery is fixedly connected inside the workbench; a control switch fixing plate is fixedly connected on the front surface of the workbench; an electric telescopic rod is fixedly connected at the middle end of the top of the workbench; a hardware connecting piece placing plate is fixedly connected at the telescopic end of the electric telescopic rod; a hardware connecting piece placing groove is formed in the front surface of the hardware connecting piece placing plate; a bracket is fixedly connected on the back surface of the workbench; a work box is fixedly connected on the bracket; and a motor is fixedly connected inside the work box. According to the punching device with relatively high drilling efficiency for the hardware connecting piece, the structure is simple, the operation is convenient, a punching position of the hardware connecting piece is limited in advance, a drill pipe can directly perform punching operation on the hardware connecting piece, the punching position is more precise, the location selection is more accurate, the punching speed is increased, and the working efficiency of the punching device is improved.

The invention discloses a step tubular beam welding fixture. The step tubular beam welding fixture comprises an S-shaped tube body and multiple supports, wherein the supports are arranged from the front end to the rear end of the tube body in sequence. A flange is further connected with the front end of the tube body. The welding fixture comprises a base. A front-end tube body supporting piece corresponding to the front end of the tube body is arranged on the base, a middle tube body supporting piece corresponding to the position, close to the middle, of the front end of the tube body is arranged on the base, and a rear-end tube body supporting piece corresponding to the rear end of the tube body is arranged on the base. The front-end tube body supporting piece is as high as the middle tube body supporting piece. The rear-end tube body supporting piece is lower than the front-end tube body supporting piece and the middle tube body supporting piece. A rectangular clamping groove in cooperative positioning with the side edge of the flange is formed in the front-end tube body supporting piece. Arc-shaped clamping grooves in cooperative positioning with the tube body are formed in themiddle tube body supporting piece and the rear-end tube body supporting piece respectively. Multiple support supporting pieces corresponding to the supports are arranged on the base. Connecting plateswhich correspond to the supports and are used to fix the supports are arranged on the support supporting pieces respectively.

The invention relates to a motor blade cover drilling device. The motor blade cover drilling device comprises a workbench and further comprises a material bearing frame and drilling device bodies. The material bearing frame is in a cylinder shape of which the top surface is provided with an opening, and four through holes are formed in the same height position of the middle-lower portion of the material bearing frame in a circumference array mode. The material bearing frame is fixedly installed in the center of the workbench. Each drilling device body comprises a base, a linear guide rail, an air cylinder and a drilling power head. Each base is fixedly installed on the workbench. Each linear guide rail is fixed to the end, close to the material bearing frame, of the corresponding base and is parallel to the axis line of the corresponding through hole. Each drilling power head is slidably installed on the corresponding linear guide rail, and the axis line of each drilling power head is aligned to the axis line of the corresponding through hole. Each air cylinder is fixedly installed at the end, away from the material bearing frame, of the corresponding base. The top of each air cylinder is fixedly connected to the tail end of the corresponding drilling power head. The four drilling device bodies are fixed to the workbench around the material bearing frame and are aligned to the four through holes of the material bearing frame correspondingly. The working efficiency is greatly improved, and in addition, the hole positions are also accurate, so that substandard products are not produced.

The invention discloses a double-face integrated machining clamp of a pumping connector and a machining method of the double-face integrated machining clamp, and belongs to the technical field of pumping connector machining. The double-face integrated machining clamp comprises a connecting rod clamping jaw, two ball clamping jaws and a chuck, and the connecting rod clamping jaw, the two ball clamping jaws and the chuck form a three-jaw chuck. Through the device, the two end faces can be machined together by clamping raw materials of the pumping connector at a time, the parallelism of the two end faces is ensured, an inner hole of the pumping connector is machined together without disassembling the connector, and the perpendicularity of the axis of the inner hole of a ball and the two end faces is ensured; and the device can clamp the pumping connector, the position precision of a connecting rod and an opening of the ball is ensured, machining in a turning mode is realized, the machining precision is high, the circular arc of the inner hole is smoother, the hole surface precision is high, and the hole diameter precision is better controlled, so that the machining method based on the device not only ensures the machining precision, but also improves the efficiency.

The invention relates to the field of machining, in particular to an automatic blade plate stacking device which comprises a machine frame and a conveying assembly arranged on the machine frame. The machine frame comprises a cross beam, stand columns perpendicular to the cross beam and a containing frame fixedly arranged between the stand columns, and a positioning device is arranged on the cross beam in a hanging mode. The positioning device comprises connecting ropes and a positioning rod which are fixedly arranged on the cross beam, telescopic assemblies are arranged at the ends, away from the cross beam, of the connecting ropes, the ends, away from the cross beam, of the telescopic assemblies are arranged, and a plurality of positioning blocks are arranged on the positioning rod. In the process of machining and transporting blade plates, the blade plates are stacked in order, and follow-up machining is facilitated.

The invention discloses a tool and a method for installing a novel inserting opening of a hydraulic pipeline. The method comprises the following steps of (1) welding a sleeve at the installation position of a branch pipeline according to a technical document, placing a drill head of a magnetic drill at the inner part of the sleeve, providing a hole on a main pipeline, then removing the sleeve, and polishing the hole; (2) stretching a magnetic bar to the inner part of the main pipeline through the hole, and extracting iron fillings which are generated during the hole processing; (3) placing a bearing hydraulic connector which is processed and prepared at the position of the hole of the main pipeline, assembling and welding; and (4) placing the branch pipeline in an inserting hole of the bearing hydraulic connector, and welding. According to the method for installing the novel inserting opening of the hydraulic pipeline, disclosed by the invention, the branch pipeline and the hydraulic connector adopt bearing type welding, the requirement on the technical level of an operator is greatly reduced, and the construction quality is increased; the construction can be carried out in smaller space, and the requirement on the construction environment is greatly reduced; and by adopting the construction method, the welding work amount is reduced, the number of long flaw detection welded junctions is reduced, the construction period is saved, and the method is economic and practical.

The invention provides an automatic pneumatic positioning perforating machine for perforating the tail part of a medical suture needle, and relates to the technical field of perforating machines. The automatic pneumatic positioning perforating machine for perforating the tail of the medical suture needle comprises a workbench, a fixing assembly, a positioning assembly and a drilling assembly, wherein the workbench can bear the fixing assembly, the positioning assembly and the drilling assembly, so that installation of the fixing assembly, the positioning assembly and the drilling assembly is facilitated. The fixing assembly is used for fixing the suture needle, so that the situation that the suture needle slides during drilling, and consequently the drilling quality is reduced is prevented. The positioning assembly is used for positioning a tapping point at the tail of the suture needle, so that the tapping position is accurate, and the problem of hole deviation is avoided. The drilling assembly is a direct drilling part and is responsible for drilling at the tail part of the suture needle. According to automatic pneumatic positioning perforating machine disclosed by the invention, automatic perforating of the tail part of the medical suture needle can be achieved, the perforating precision is high, the perforating speed is high, and the quality and production efficiency of the medical suture needle are greatly improved.