191results about How to "Fast clamping and fixing" patented technology

The invention relates to an outer rotor electronic control fan and a speed regulating method. A +10V power supply is output by the power supply output end of an isolating power supply in an isolating characteristic speed regulating circuit; the ground terminal GND2 of the isolating power supply is connected with the ground terminal of an operational amplifier chip I, the ground terminal of a comparator chip II, the signal output end of an optical coupler II, the cathode of a capacitor C1 and the cathode of a diode D1; the anode of the capacitor C1 is connected with the signal input end of the operational amplifier chip I; the anode of the diode D1 is connected with a rotating speed output end; the signal input terminal of the optical coupler II is connected with an FG signal end; the signal end of the isolating power supply is connected with the signal input end of an intelligent power module; the signal output end of the operational amplifier chip I is connected with the signal input end of the comparator chip II; the signal output end of the comparator chip II is connected with the signal input end of an optical coupler I; and the signal output end of the optical coupler I is connected with the signal input end of a logical driving chip of a direct-current brushless fan. The outer rotor electronic control fan and the method have the advantages that the isolating characteristic speed regulation of the outer rotor electronic control fan is realized, and the defect of easiness in burning of a power supply system existing in the prior art is overcome.

The invention discloses a welding system and a welding method for all-position automatic welding of a small-diameter pipeline, and relates to the technical field of pipe welding. The welding system comprises a supporting main body with an opening, wherein a rotating disc and a clamp holder base are arranged on the supporting main body, and the rotating disc can rotate on the supporting main body; a welding gun is further arranged on the rotating disc; and a rapid clamping device is arranged on the clamp holder base and comprises clamping positioning angle blocks and clamping rotating blocks which are oppositely arranged around the rotating circle center of the rotating disc, and the clamping positioning angle blocks and the clamping rotating blocks can move relative to each other. The welding system can effectively meet the requirements of factory sites and other pipeline systems with small pipe diameters, high pipeline concentration, multiple pipeline turning points, multiple crossed positions and narrow construction space, and welding equipment is small in size and convenient to assemble and disassemble.

The invention relates to a fixing tool for turbine blade machining, and belongs to the technical field of aero-engine manufacturing. The fixing tool comprises a bottom plate, a chuck, a transverse self-adaptive adjustment supporting assembly and a longitudinal self-adaptive adjustment supporting assembly; the chuck is used for clamping tenon teeth and is fixedly connected to one end of the bottomplate; the transverse self-adaptive adjustment supporting assembly is used for supporting the blade back of a blade, the transverse self-adaptive adjustment supporting assembly is fixedly connected toone side of the other end of the bottom plate, and the output end of the transverse self-adaptive adjustment supporting assembly abuts against the blade back; and the longitudinal self-adaptive adjustment supporting assembly is used for supporting the shroud of the blade, the longitudinal self-adaptive adjustment supporting assembly is fixedly connected to the other side of the other end of the bottom plate, and the output end of the longitudinal self-adaptive adjustment supporting assembly makes contact with the shroud. The fixing tool can well fix the turbine blade, the reliability of machining quality is improved, operation is convenient, and the labor intensity of an operator can be relieved.

The invention discloses an extruding device for mould welding. The extruding device comprises a base, a first clamping plate is fixedly mounted at the top of the base, a mounting seat slidably mountedat the top of the base is arranged on one side of the first clamping plate, and one side, close to the first clamping plate, of the mounting seat is provided with a mounting groove. One side, close to the first clamping plate, of the mounting seat is provided with a second clamping plate matched with the first clamping plate. Two transverse shafts are fixedly mounted on one side, away from the first clamping plate, of the second clamping plate. One end, away from the second clamping plate, of each transverse shaft extends into the mounting groove to enable fixed mounting of a retaining rod. Asame first vertical plate slidably sleeves outer sides of the two transverse shafts. The extruding device is simple in structure and capable of quickly clamping and fixing to-be-welded moulds, laborintensity of workers is relieved, operating efficiency in batch mould welding is improved, and the extruding device is beneficial for the workers to use.

The invention discloses an environmental protection propaganda board facilitating propaganda paper replacement. The environmental protection propaganda board comprises two main support plates and secondary support plates, the bottom ends of the main support plates and the bottom ends of the secondary support plates are welded to form two bearing frames, a cavity is formed between each main supportplate and the corresponding secondary support plate, a transmission assembly is arranged at the top ends of the two bearing frames, and a cover plate and a carrier plate are welded between the upperends and the lower ends of two bearing frames respectively. A transmission rod and a roller screw rod are electrically driven to rotate in situ, a display board is driven to move vertically with upright rods as the fulcrums through transmission between the roller screw rod and a roller nut, the display board also moves in the limited range of the bearing frames, sealed protection can be conveniently performed on the display board and propaganda paper through tempered glass, by rapidly clamping and fixing the propaganda paper on the display board, rapid detachment and installation are realized,direct contact with the outside is reduced, the installation stability of the propaganda paper is easily guranateed, then the service life of the propaganda paper is prolonged, and the propaganda board can be repeatedly used.

The invention discloses an efficient glue dispenser for producing LED electronic boards. The efficient glue dispenser comprises a glue dispensing head and an intermittent circulating conveying mechanism. According to the efficient glue dispenser for producing the LED electronic boards, an intermittent rotating mechanism is arranged at the top of a fixed frame, a motor drives a rotating rod to rotate, then the rotating rod drives a pushing block to rotate through a disc, and after the pushing block rotates one circle, a second driving disc is driven by second convex shafts to rotate sixty degrees, so that the second driving disc drives a rotating block to move intermittently through a rotating shaft, and the advantage that the LED electronic boards can be intermittently conveyed is achieved; and through arranging a circulating rotating mechanism at the upper end of the intermittent rotating mechanism, the rotating block rotates to drive clamping plates to slide on the inner side of a sliding rail through sliding shafts, and the clamping plates are kept in a state parallel to a fixed plate all the time in the conveying process, so that the LED electronic boards are sequentially conveyed to a machining area to be machined, and the advantage that the LED electronic boards can be circularly conveyed is achieved.

The invention relates to the technical field of meter assembling and machining, and discloses a flowmeter shell assembling device. The flowmeter shell assembling device comprises a base, a supportingcolumn is fixedly arranged on the left side of the top of the base, a hanging plate is fixedly arranged at the top of the supporting column, a vertical plate is fixedly arranged at the right end of the hanging plate, a motor and a guide rail are fixedly arranged at the bottom of the base, the output end of the motor is fixedly provided with a threaded rod, the right end of the threaded rod is rotationally connected with the left side surface of the vertical plate through a bearing, a first belt wheel is connected to the outer circle surface of the threaded rod in a sleeving mode, a fixing plate is arranged on the threaded rod, and the middle part of the side surface of the fixing plate is in threaded connection with the threaded rod through a threaded sleeve. The flowmeter shell assemblingdevice solves the problems that the existing equipment for automatically assembling a flowmeter shell is complicated to operate, inconvenient to use and easy to skew in clamping a workpiece, so thatthreaded ends of two matching parts are not effectively installed, frequent disassembly and clamping are required, and the working efficiency is low.

The invention discloses a clamper for transporting an oil barrel. The clamper comprises a lifting ring and two connection rods, wherein the lifting ring is connected to the upper ends of the connection rods, the clamper further comprises two clamping arms and two clamping parts, the two clamping arms respectively have a L-shaped structure, are mutually arranged in a cross manner, and are rotatablyconnected at the cross position through a pin column, the upper ends of the clamping arms are hinged to the lower ends of the connection rods, and the lower ends of the clamping arms are hinged to the clamping parts. According to the present invention, the clamper is provided with a pair of the connection rods 2 and a pair of the clamping arms arranged in the cross manner, such that the oil barrel can be automatically clamped during the lifting so as to achieve the rapid clamping purpose; and the I-shaped structure of the clamping part comprises the two arc-shaped clamping plates, and the twoarc-shaped clamping plates can be snapped below the annular projection of the oil barrel, such that the clamping is firm, and the use is safe and reliable.

The invention discloses a drilling clamp for a multi-spindle drilling machine, and relates to the technical field of multi-spindle drilling machine clamps. The drilling clamp for the multi-spindle drilling machine comprises a base, a first supporting plate is fixedly connected to the left portion of the upper end face of the base through supporting legs, a first rotating shaft is rotatably connected to the right end face of the first supporting plate in a penetrating mode, first supporting rods are rotatably connected to the right portion of the outer surface wall of the first rotating shaft at equal intervals through the circumference of first convex lugs, the left portion of the upper end face of the base is fixedly connected with a first driving motor through a fixing frame, the first driving motor is coaxially and fixedly connected with a lead screw through an output shaft, the exterior of the lead screw is in threaded connection with a threaded sleeve block, the rear end face of the threaded sleeve block is fixedly connected to the front end face of a supporting table, and the right end face of the supporting table is fixedly connected with a Y-shaped plate. According to the drilling clamp, circular ring disc parts with different diameter sizes can be rapidly positioned and clamped, time and labor are saved, the machining efficiency is improved, the outer side walls of the circular ring disc parts can be drilled, the drilling positions can be automatically adjusted, and the machining efficiency is improved.

The invention discloses a connecting rod welding system. The system comprises a rail net, a dual conveying vehicle and a plurality of connecting rod welding machines of automatic connecting rod welding. The connecting rod welding machines are respectively located at different positions of the rail net. A rail car operates on the rail net and used for conveying to-be-welded connecting rods to idle connecting rod welding machines and conveying out welded connecting rods. By the connecting rod welding system, automatic connecting rod welding and batch welding are achieved.

The invention disclsoes an operation table for hardware tool machining and a using method of the operation table. The operation table comprises a bottom plate, supporting feet are fixedly connected tothe four corners of the bottom of the bottom plate correspondingly, hydraulic cylinders are fixedly installed at the four corners of the top of the bottom plate correspondingly, a base is fixedly connected among piston rods of the hydraulic cylinders, and a control panel is fixedly installed on the outer side of the base. The operation table is compact in structure, easy and convenient to operateand high in practicability, the height of a device can be freely adjusted by arranging the hydraulic cylinders, so that the device can be suitable for people with different heights to use, meanwhile,by arranging a clamping mechanism, iron raw materials needing to be machined can be rapidly clamped and fixed, so that shaking of the raw materials during a machining process is avoided, in addition,a cleaning mechanism and an auxiliary mechanism are arranged to be matched with each other, so that scrap iron generated after machining can be quickly cleaned and recycled, the labor amount of operators is reduced, and waste of the raw materials is avoided.

The invention discloses a table type drilling machine jig. The table type drilling machine jig comprises an operating floor, the top of the operating floor is provided with a drilling machine body, and two fixture blocks are slidably mounted on the top of the operating floor; two first grooves are formed in the top of the operating floor, and vertical rods are slidably mounted in the first grooves; the top ends of the vertical rods are welded to the bottom portions of the corresponding fixture blocks, and screw sleeves are welded to the bottom portions of the vertical rods; a same first through hole is formed in the inner walls of one sides, adjacent to each other, of the two first grooves, and screws are rotatably mounted in the first through hole; both ends of the screws separately extend into the corresponding first grooves, and the screws are installed in the two screw sleeves in a threaded mode; and a servo motor is fixedly mounted on one side of the operating floor. According tothe table type drilling machine jig, the structure is simple, the operation is convenient, and workpieces can be clamped and fixed quickly by the power provided by the servo motor; and the degree of automation is high, the time and labor are saved, the production speed is improved, and great convenience is brought to people.

The invention discloses a soybean protein isolate gel strength determination device and determination method, the device comprises a mounting box, a lifting assembly, a transmission assembly, a linkage assembly, a clamping mechanism, ventilation assemblies and a sensing assembly, one side of the top surface of the mounting box is provided with a stand column, and the bottom of a cross beam is provided with a detection head; a transmission assembly is arranged in the mounting cavity; the clamping mechanism is arranged on the top surface of a supporting plate; the linkage assembly is arranged between the bottom surface of the fixing plate and the top surface of the mounting box; the ventilation assemblies are arranged in the ventilation boxes; an induction cavity is formed in one end of the rod, and an induction assembly is arranged in the induction cavity; the device is easy to operate, and the clamping assembly is conveniently driven to rapidly clamp and fix a container through the linkage assembly and the transmission assembly; the fan is matched with the ventilation assemblies so that the influence of high temperature generated during working of internal electric appliance elements on the strength of the protein gel during detection can be conveniently prevented; the problem that high temperature generated by an existing detection device easily affects protein gel detection data is solved.

The invention provides a strength detection device for circuit board production. The strength detection device for circuit board production comprises: a base; two supporting columns, which are fixedlymounted at the top of the base; a transverse plate, which is fixedly mounted at the top ends of the two supporting columns; a first motor, which is fixedly mounted at the top of the transverse plate;a first screw rod, which is rotationally installed on the base and the transverse plate, wherein an output shaft of the first motor is fixedly connected with the top end of the first screw rod; a cross rod, which is installed on the two supporting columns in a sliding mode, wherein the first screw rod is installed on the cross rod in a threaded mode. The strength detection device for circuit board production has the advantages that use is convenient, operation is easy, two circuit boards can be conveniently and rapidly clamped and fixed, the detection efficiency can be effectively improved, comparison is convenient, a detection head is convenient to move and fix, and the requirement for detecting different positions of the circuit boards of different sizes can be met.

The invention relates to the technical field of FAC mirror adjustment, in particular to an FAC mirror adjusting device and method. The adjusting device comprises a base; an adjusting base is arrangedat the upper end of the base; a two-dimensional translation table is arranged on the outer side of the adjusting base; a pneumatic push rod is arranged on the two-dimensional translation table; a pulse motor adjusting frame is arranged at the upper end of the two-dimensional translation table; a pulse motor is arranged on the pulse motor adjusting frame; a material guide plate is arranged on the upper end surface of the adjusting base; piezoelectric ceramic is arranged at the bottom end of the material guide plate; a BAR strip array to be adjusted is arranged on the upper end face of the material guide plate; an infrared position sensor is arranged on the material guide plate; an FAC material box is arranged at the upper end of the material guide plate; a force arm rod is connected betweenthe pulse motor adjusting frame and the material guide plate; and an FAC fixing clamp is arranged on the force arm rod. According to the FAC mirror adjusting device, through cooperative use of the adjusting mechanism and the clamping mechanism, the FAC mirror can be rapidly adjusted, the adjusting stability of the FAC mirror is high, and the adjusting work efficiency and the adjusting accuracy ofthe FAC mirror are improved.

The invention relates to the technical field of wheel processing fixtures, and discloses a processing fixture for aluminum alloy automobile wheel processing centers. The processing fixture comprises abase, wherein a placing plate is horizontally arranged above the base, a rotating column is fixedly arranged at the center of the lower surface of the placing plate, a first rolling bearing is embedded in the center of the upper surface of the base, and the lower end of the rotating column is rotationally connected with the upper surface of the base through the first rolling bearing; a limiting mechanism for being clamped with the base is arranged on the wall of the rotating column; the placing plate is hollow, and four screws are arranged inside the placing plate oppositely; and second rolling bearings are embedded in the inner side walls of the periphery of the placing plate. The processing fixture for aluminum alloy automobile wheel processing centers can quickly clamp an aluminum alloy automobile wheel, can randomly adjust the angle of the aluminum alloy automobile wheel, and improves the machining efficiency of the aluminum alloy automobile wheel.

The invention relates to the technical field of valve body repair fixing clamps, in particular to a valve body crack welding repair fixing clamp which comprises a supporting frame, the supporting frame is of an L-shaped structure, a rotating motor is fixedly installed on the supporting frame, a connecting frame of a concave structure is fixedly installed at the output end of the rotating motor, and spring pull rods are symmetrically and fixedly installed in the connecting frame. The telescopic ends of the two spring pull rods penetrate through the connecting frame and are fixedly provided with connecting blocks, and first air cylinders are rotationally installed on the sides, close to each other, of the two connecting blocks. An existing valve body crack treatment mode is low in efficiency and high in labor cost, and the stability of a valve body cannot be guaranteed through manual supporting. A valve body with cracks can be rapidly clamped and fixed, multi-angle adjustment can be conducted on the valve body according to the positions of the cracks, the problem that an existing repairing mode is low in repairing efficiency is solved, and the labor cost is reduced.

The invention relates to the field of sand mold casting, in particular to a precoated sand mold casting sand box treatment device and treatment method. The precoated sand mold casting sand box treatment device comprises a base, the base is of an H-shaped structure, first sliding grooves are symmetrically formed in the top of the base, and moving blocks are symmetrically arranged at the top of thebase and slidably connected into the first sliding grooves; first hydraulic cylinders are fixedly mounted at the tops of the moving blocks, lifting plates are fixedly mounted at the output ends of thefirst hydraulic cylinders, second hydraulic cylinders are inserted in the lifting plates and rotationally connected to the lifting plates, and connecting frames of L-shaped structures are fixedly mounted at the output ends of the second hydraulic cylinders; and connecting rods are hinged to the sides, away from the second hydraulic cylinders, of the connecting frames, clamping plates of concave structures are hinged to the ends, away from the connecting frames, of the connecting rods, and third hydraulic cylinders are fixedly installed on the connecting frames and located below the connectingrods. The sand base in the sand box can be automatically cleaned, and the treatment device is suitable for popularization.

The invention provides pipe fitting paint spraying equipment capable of quickly fixing a pipe fitting based on constructional engineering, and belongs to the technical field of paint spraying equipment. The invention aims to solve the problem that the operation efficiency of the paint spraying equipment is greatly reduced during pipe fitting fixing due to the fact that manual adjustment is needed when the existing paint spraying equipment fixes the pipe fitting. The pipe fitting paint spraying equipment comprises a base, wherein the upper portion of the base is fixedly connected with a top plate through four supporting columns, and a supporting table is arranged on the upper end face of the base; two clamping mechanisms are arranged on the upper end face of the supporting table in an annular array shape; and a clamping driving mechanism is arranged at the position, located on the upper end face of the base, of the bottom of the supporting table. Two driving racks move in the opposite directions through the clamping driving mechanism, then two clamping plates are driven to move in the opposite directions, and therefore six driving clamping blocks move in the opposite directions, and three pipe fittings can be rapidly clamped and fixed. In the whole fixing process, due to the fact that manual adjustment is not needed, the operation efficiency of the paint spraying equipment during pipe fitting fixing is greatly improved.