103results about How to "Guarantee the quality of pressing" patented technology

The invention discloses a toggle lever metal extruder, which comprises a framework-type rack and is creatively characterized in that a workbench is arranged at the lower part of the rack, a sliding block is arranged above the workbench and can reciprocate on the rack along a vertical direction, and two sides of the work bench are provided with lateral pressing cylinders; a toggle lever mechanism is arranged on the upper part of the rack and mainly comprises an upper support, an upper toggle lever, a lower toggle lever and a lower support; and a driving mechanism is arranged outside the togglelever mechanism and comprises a hydraulic cylinder, a first connecting lever and a second connecting lever. A hydraulic cylinder and the lateral pressing cylinder act to drive an upper die, a left male die and a right male die to move to a lower die on the workbench for pressing. The driving mechanism drives the toggle lever mechanism to move the sliding block, the sliding block is fast in a return downward trip, and a working stroke is slow and stable; in addition, in the working stroke, the stamping pressure has long duration, the pressing efficiency is high, the stress bearing effect of the rack is good, so that the installed power is reduced and the production cost is lowered.

The invention discloses an oil seal press-fitting device. The oil seal press-fitting device comprises a workbench used for allowing a workpiece to be contained, an oil seal pressing head capable of moving up and down is arranged above the workbench, an inserting connection port is arranged on the oil seal pressing head and is used for allowing an oil seal to be installed, a positioning block capable of moving up and down is arranged below the workbench, and the axis line of the oil seal pressing head, the axis line of the positioning block and the axis line of an oil seal hole of the workpiececoincide; the oil seal press-fitting device further comprises a plane detection mechanism and a conveying mechanism, wherein the plane detection mechanism is located above the workbench and is used for detecting the flatness of the oil seal, and the conveying mechanism is used for conveying the workpiece to the position below the plane detection mechanism. According to the oil seal press-fittingdevice, the press-fitting force and the stroke of the oil seal can be monitored in real time, moreover, the flatness of the oil seal after press-fitting can be detected, the press fitting quality of the oil seal is ensured, and the faults of oil seal oil leakage and oil seal loosening are avoided, and the situation of a large amount of cost caused by reworking of an engine is avoided.

The present invention relates to a method for press-mounting bearing on crankshaft. Said method includes the following steps: firstly, fixing the crankshaft on a supporting frame; then making the bearing to be mounted by cover-placed on the upper side of mounting portion of said crankshaft and making axis of bearing be coincident with axis of said crankshaft; in the notch position of said crankshaft placing a pusher along the axial direction of said crankshaft and making two end portions of pusher be respectively tightly contacted with first main shaft neck and second main shaft neck; finally applying pressure to said bearing until the described bearing is fixed on the mounting portion of said crankshaft.

The invention provides a small-displacement high-precision pitch-change mechanism which comprises an oil cylinder, guide rods, an air cylinder, a stop block and a fixing seat, wherein a pair of cross shaft slide rails is arranged on the fixing seat; a slide plate is mounted on the cross shaft slide rail; the oil cylinder and linear bearings are fixed on the slide plate; the guide rods is fixed with a pressure plate together; the inner end of a floating joint is connected with an oil cylinder rod of the oil cylinder; the air cylinder is fixed with the fixing seat together via an air cylinder seat; and the air cylinder drives a step locating block to move back and forth via an air cylinder joint.The mechanism can achieve automatic and accurate location of a pressure head, achieve that middle shafts of every gearbox can be subjected press mounting coaxially, and ensure press mounting quality, the position of the mechanism cannot be changed due to leakage of compressed air or a hydraulic station, and the mechanism is stable, reliable, low in cost, simple in structure and convenient to maintain.

The invention discloses a brick tea pressing die which is used for pressing and molding brick tea. The brick tea pressing die comprises a base, an aluminum-made brick-shaped die body, a movable plate, a top plate and a feeding hole, wherein the base is used for providing supporting for the pressing and molding of the brick tea; the aluminum-made brick-shaped die body is arranged above the base and is used for providing a processing space for the pressing and molding of the brick tea; the movable plate is detachably connected onto one side of the aluminum-made brick-shaped die body and is used for controlling the opening and closing of the side part of the aluminum-made brick-shaped die body; the top plate is detachably connected to the top of the aluminum-made brick-shaped die body and is used for controlling the opening and closing of the top of the aluminum-made brick-shaped die body; and the feeding hole is formed in the top plate and is used for inputting brick tea raw materials. With the adoption of the structural design of the brick tea pressing die, the heat dissipation effect can be effectively improved and the brick tea pressing quality is ensured; the service life of the die also can be prolonged; and the die is relatively convenient to operate, and pollution or damages on the brick tea also can be avoided.

The invention discloses a multi-point clamping device for a product. The multi-point clamping device for the product is characterized by comprising a bottom plate, a movable plate, a product bearing plate and a clamping mechanism, wherein the bottom face of the product bearing plate is connected with the top face of the bottom plate through at least three guide columns, the movable plate is arranged between the bottom plate and the product bearing plate, and the movable plate is arranged on the guide columns in a sliding mode; the clamping mechanism is connected with the bottom face of the product bearing plate through at least three fixing columns, and the clamping mechanism is arranged above the movable plate; a vertical telescopic air cylinder is arranged on the bottom plate, and the output shaft of the vertical telescopic air cylinder is connected with the center of the bottom face of the movable plate; and the clamping mechanism comprises a fixing plate, a sliding plate, a transverse telescopic air cylinder and a plurality of product limiting rods. According to the device, the positioning efficiency and the positioning quality of product are improved.

Automatic press fitting equipment for automobile brake tube fittings is characterized by comprising a working table (1), a cylinder (2), a controller and a pressing die (3); the cylinder (2) and the controller are installed on the working table (1); the pressing die (3) is installed on the working table (1) and located at one end of a cylinder piston rod (2.1); a core tube clamping cavity (3.1), a buckling-pressing tube clamping cavity (3.2) and a sealing connecting tube clamping cavity (3.3) are connected and sequentially formed in the end, opposite to the cylinder piston rod (2.1), of the pressing die (3); the core tube clamping cavity (3.1) is throughout the end, opposite to the cylinder piston rod (2.1), of the pressing die (3); the cylinder piston rod (2.1), the core tube clamping cavity (3.1), the buckling-pressing tube clamping cavity (3.2) and the sealing connecting tube clamping cavity (3.3) are coaxial and are all arranged parallel to the working table (1); the cylinder (2) is further in electric connection with the controller. The automatic press fitting equipment facilitates assembly of a core tube, a buckling-pressing tube and a sealing connecting tube, assembly efficiency is high, and quality is excellent.

The invention discloses an air door lock block press-mounting tool. A vertical column, a turntable locking mechanism and an inclined turntable assembly are mounted on a bottom plate; the turntable assembly is used for clamping and positioning a cylinder cover; the turntable assembly can be locked through the turntable locking mechanism in a first press-mounting position and a second press-mounting position after being rotated by 180 degrees correspondingly; a pressing rod supporting assembly and a pressing rod assembly are sequentially mounted on the vertical column in a sleeving mode; the pressing rod supporting assembly comprises a mounting sleeve, a connecting rod and a pressing rod supporting block; the mounting sleeve is axially and fixedly mounted on the vertical column in a sleeving mode; the pressing rod assembly comprises a rotating block, a horizontal rod, a pressing head and a hinged block; the rotating block is rotatably mounted on the vertical column in a sleeving mode; one end of the horizontal rod is hinged on the rotating block in an up-down swinging mode; and the hinged block is mounted on the horizontal rod in a sleeving mode and hinged to the upper end of the pressing head together. Press-mounting of an air inlet door lock block and an air outlet door lock block can be completed through one-time clamping, the clamping frequency is decreased, the press mounting efficiency is improved, easiness and labor saving are achieved, and through replacement of the turntable assembly, press-mounting of cylinder cover air door lock blocks of different types and different positions can be met.

The invention provides a solid wood bending and hot pressing former comprising a base, a main frame, a driving device and the like. The main frame is arranged on the base, the driving device is located on the main frame and connected with a down-pressing plate, an upper die is located under the down-pressing plate and connected with the same, and a lower die is fixed on the base and matched with the upper die in use. The solid wood bending and hot pressing former is characterized by further comprising heating units which are respectively located in the upper die and the lower die, and each heating unit is connected with a control box through a wire. The solid wood bending and hot pressing former is short in preheating time, only takes 20 minutes to complete preheating, and is low in energy consumption, high in heating speed and fast in formation. The heating units are uniformly distributed in the upper die and the lower die, so that wood is heated uniformly and stable in quality. According to difference of wood processing shapes, the upper die and the lower side are selected appropriately, bending and pressing of the wood can be realized, application range is wide, and practicality is high.

The invention relates to the technical field of electric steering gears, in particular to an electric steering gear torsion bar press-fitting tool. According to a previous common press-fitting mode, atorsion bar is connected with an input shaft in an interference fit mode first, and then the torsion bar is inserted into an output shaft and fixedly connected with the output shaft through a stop pin, wherein the input shaft is formed by welding an upper shaft and a lower shaft. The product structure and the press-fitting mode are improved, the upper shaft and the lower shaft of the input shaftare integrally formed, the torsion bar is connected with the input shaft and the output shaft in an interference fit mode, the axial gap between the input shaft and the output shaft and the left-rightcentering of a flat square and a flat groove are controlled firstly, then press-fitting is carried out on the torsion bar, the input shaft and the output shaft, but a tool for the press-fitting modeis not available at present. According to the electric steering gear torsion bar press-fitting tool, the axial gap between the input shaft and the output shaft can be effectively controlled, and left-right centering of the flat square and the flat groove can be effectively controlled, so that the press-fitting quality can be guaranteed, and the product quality can be improved.

The invention discloses a combined press-mounting table for a peeling roller of a corn harvesting machine. The combined press-mounting table comprises a peeling roller rubber sleeve press-mounting table, a duplex-bearing block press-mounting table and a hydraulic station, wherein the peeling roller rubber sleeve press-mounting table comprises first positioning seats, aligning devices and pressure heads, the first positioning seats are horizontally arranged on a first frame in sequence, and the pressure heads are fixed at one ends of long-stroke oil cylinders; the duplex-bearing block press-mounting table comprises second positioning seats and a duplex pressure head, the second positioning seats are vertically arranged on a second frame in sequence, and the duplex pressure head is fixed at one end of an oil cylinder; the long-stroke oil cylinders and the oil cylinder are connected with the hydraulic station respectively; the peeling roller rubber sleeve press-mounting table can guarantee the quality of press mounting of peeling roller rubber sleeves, the duplex-bearing block press-mounting table can guarantee the quality of press mounting of duplex-bearing blocks; manual operation is replaced by mechanical operation, and the peeling roller rubber sleeve press-mounting table and the duplex-bearing block press-mounting table are combined together to form a workflow, so as to facilitate line production, shorten the turn-over time of workpieces and improve the assembly efficiency of the peeling roller of the corn harvesting machine.

The invention discloses small-sized bearing press-fitting equipment. The small-size bearing press-fitting equipment comprises a press-fitting positioning assembly, wherein two feeding inlets are formed in the press-fitting positioning assembly, the two feeding inlets are respectively connected with an outer ring feeding conveying line and an inner ring feeding conveying line, a stamping device is further arranged on the press-fitting positioning assembly, a detection correction unit is arranged on the inner ring feeding conveying line, the detection correction unit is used for adjusting the conveying state of the inner ring, the press-fitting positioning assembly comprises a guide bracket and two positioning plates in the guide bracket, the two positioning plates are arranged in an overlapped mode and are both connected with corresponding dislocation power devices, the two positioning plates are provided with feeding positioning openings on the same side edge respectively, and after the two positioning plates move in a staggered mode, the feeding positioning openings of the two positioning plates can be overlapped and are supplied to the stamping device to be processed. According to the small-sized bearing press-fitting equipment, accurate feeding can be realized, the press fitting is stable and reliable, and the production efficiency is greatly improved.

The invention discloses automatic bushing assembling equipment. The automatic bushing assembling equipment comprises an automatic bushing conveying mechanism, a bushing transferring mechanism and a bushing press-fitting mechanism, wherein the automatic bushing conveying mechanism comprises a rotating disc, a plurality of material collecting mechanisms, a carrying guide sleeve and a carrying ascending mechanism, the material collecting mechanisms are uniformly mounted on the rotating disc in the circumferential direction, and the rotating disc is driven by a rotating air cylinder to rotate fora fixed angle; bushings are fetched from the automatic bushing conveying mechanism and transferred to press-fitting positions by the bushing transferring mechanism; and the bushing press-fitting mechanism comprises a linear driver and a presser head and grip jaw assembly, the presser head and grip jaw assembly comprises presser heads and grip jaws, the grip jaws are used for clamping the bushings,the presser heads are used for pressing the bushings, and the presser head and the grip jaw assembly is driven by the linear driver to move upwards and downwards. The automatic bushing assembling equipment realizes the automatic conveying and press-fitting of bushing class accessories and can increase the assembling efficiency and improve the assembling quality.

The invention discloses a method for pressing a winding stator iron core of a pole motor in a machine base. Specifically, a lower press mounting die assembly (5) is arranged on a push trolley (6); in a press mounting process, the winding stator iron core (3) is placed on the lower press mounting die assembly, then an upper press mounting die assembly (2) is placed on the winding stator iron core (3), a lead wire is pulled out of the kidney-shaped hole of the upper press mounting die assembly (2) and placed in the upper press mounting die assembly (2), the machine base (4) is sleeved on the press mounting die assemblies, and finally the push trolley provided with a tool and a workpiece is pushed below a single column vertical hydraulic machine (1) to be pressed and mounted. Due to the fact that in the press mounting process, an upper locating guide structure and a lower locating guide structure are adopted and the machine base is pressed towards the winding stator iron core, the breakdown rate generated in the process is zero, the assembling quality that the winding stator iron core of the pole motor is pressed in the machine base is greatly improved, therefore, the performance of the generated motor is made to be capable of meeting design requirements, meanwhile, production efficiency is improved, and the labor intensity of workers is reduced.

The invention provides automatic uncoiling and tensioning equipment for a rail car body skin. A shearing and tensioning assembly comprises a base longitudinal beam, a movable platform, shearing and pressing devices, pressing and tensioning devices and framework locating and pressing devices. The pressing and tensioning devices are arranged at the left end of the movable platform. The two sets of position-adjustable framework locating and pressing devices are arranged between the shearing and pressing devices and the pressing and tensioning devices. A leveling machine and an uncoiling machine are sequentially arranged on the right sides of the shearing and pressing devices. After a PLC control system is used for controlling all parts to cooperatively work, automatic tensioning, locating before welding and dragging before hoisting of steel plates are achieved. According to the automatic uncoiling and tensioning equipment, uncoiling, leveling, tensioning and welding assembly are integrated on the same work platform for operation; the occupied area of a plant is greatly reduced; steel plate hoisting work after uncoiling and leveling is omitted; the steel plate tensioning work efficiency is improved; the steel plate tensioning quality and the flatness after steel plate tensioning are greatly improved; uncoiling, leveling and tensioning are all completed through automatic control; and the manual cost is reduced.

The invention relates to the technical field of urea pipes, and discloses a urea pipe forming press-fitting tool. The urea pipe forming press-fitting tool comprises a fixed arc-shaped plate and a movable arc-shaped plate of the same structure, the movable arc-shaped plate and the fixed arc-shaped plate are rotationally connected through a rotating pin, supporting columns are symmetrically and fixedly connected to the lower surface of the fixed arc-shaped plate, and the other ends of the two supporting columns are jointly and fixedly connected with a base; a lower arc-shaped press-fitting plateand an upper arc-shaped press-fitting plate which are the same in structure are symmetrically arranged on the opposite sides of the fixed arc-shaped plate and the movable arc-shaped plate, the upperarc-shaped press-fitting plate is connected with the movable arc-shaped plate through a regulation and control mechanism, the lower arc-shaped press-fitting plate is fixedly connected with the inner side wall of the fixed arc-shaped plate through a plurality of fixing columns, and the regulation and control mechanism comprises two sliding rods which are symmetrically and fixedly connected to the upper surface of the upper arc-shaped press-fitting plate. According to the urea pipe forming press-fitting tool, urea pipes of different models can be conveniently press-fitted, and the pressure during press-fitting can be regulated and controlled as required, so that the press-fitting quality is effectively ensured.

The invention is suitable for the technical field of tools, and provides an arc-shaped radiator assembly tool which comprises a peripheral limiting mechanism, a pressing mechanism and an end limiting mechanism are arranged in the peripheral limiting mechanism, and the bottom of the peripheral limiting mechanism is movably connected with an adjusting mechanism. The adjusting mechanism comprises a rotary disc with an annular groove formed in the periphery, a plurality of stand columns are arranged in the annular groove, each stand column is rotationally connected with an adjusting rod in a sleeved mode, the end, away from the corresponding stand column, of each adjusting rod is rotationally connected with a connecting rod in a sleeved mode, and each connecting rod is connected with a limiting plate of the peripheral limiting mechanism. The pressing mechanism comprises a lead screw connected to the middle of the peripheral limiting mechanism, a threaded sleeve is rotationally connected to the lead screw, a bearing is fixedly connected to the periphery of the threaded sleeve, a pressing block is fixedly connected to the periphery of the bearing, a pressing disc is fixedly connected to the bottom of the pressing block, and a penetrating groove capable of allowing the pressing disc to penetrate through the limiting plate is formed in the pressing disc. Thus, the arc-shaped radiator assembly tool can be used for assembling radiators of various sizes, the practicability of the tool is improved, the assembling quality is guaranteed, and the cost is saved.

The invention discloses a mixing blade pressing tool and pressing process and relates to the technical field of mixing blade processing. The mixing blade pressing tool comprises a base and a tool blade arranged on the base. The tool blade is of a helical structure. A supporting assembly used for supporting the tool blade is further fixed to the base. The tool blade is fixed to the top of the supporting assembly. The supporting assembly comprises a plurality of supporting rib plates vertically fixed to the base. A reinforcing plate is fixedly connected between any two adjacent supporting rib plates. The mixing blade pressing tool and pressing process provided by the invention can improve the processing efficiency of mixing blades and can also greatly improve the processing quality of the mixing blades.

The invention relates to a production process and equipment of a floor, relating to the field of floor manufacture. The production process of a relief type pattern floor comprises the following steps of: manufacturing a blank plate of the floor with a flexible upper surface; pressing three-dimensional patterns on the blank plate of the floor, and solidifying the blank plate of the floor; abrading the pressed three-dimensional patterns by adopting an abrasive tool; coating base paint on the upper surface of the blank plate of the floor; polishing the base paint; coating the base paint again on the processed base paint; and then coating finish paint on the base paint. The relief pattern printing equipment comprises a floor blank plate shaping mould system and a three-dimensional pattern printing module system, wherein the floor blank plate shaping mould system comprises a shaping mould and a shaping mould cooling system; and the three-dimensional pattern printing module system comprises a three-dimensional pattern printing module and a printing module acting system, wherein the three-dimensional pattern printing module is positioned above the shaping mould. By adopting the production process of the relief type pattern floor and the relief pattern printing equipment, the floor with relief patterns can be produced.

The invention discloses an automatic feeding and discharging device of a sheet forming press. The automatic feeding and discharging device of the sheet forming press comprises a feeding device and andischarging device, wherein the feeding device and the discharging device are connected with the sheet forming press through a positioning clamping block; the discharging device is symmetrically arranged with the feeding device; the feeding device comprises a bearing platform and a roller frame; two rolls of plastic films are respectively wound on a film-rolling electric roller and a driven damping film roller on the upper side and the lower side to form a coating film of the thin plate to be machined; and the two rolls of plastic films penetrate through a film-coating electric roller and a film-uncovering electric roller. By means of a sucker telescopic electric sliding table, a feeding electric roller, an unpowered roller, the film-coating electric roller, the film-uncovering electric roller and an discharging electric roller, the mechanical automatic feeding and discharging operation of sheets is achieved; meanwhile, through the driven damping film roller, the film-coating electricroller, the film-rolling electric roller and the film-uncovering electric roller, the mechanical automatic coating and film-uncovering operation of plastic films on the upper surface and the lower surface of the sheets is achieved; and the automatic feeding and discharging device can carry out feeding work while discharging, and has high working efficiency