32results about How to "Play a straightening role" patented technology

The invention belongs to the technical field of tobacco leaf harvesting, and particularly relates to a flat pressing type upper tobacco leaf harvesting machine for harvesting upper tobacco leaves by using a flat pressing type structure. The flat pressing type upper tobacco leaf harvesting machine comprises a rack, a power control system, a traveling system, harvesting systems, conveying systems and a boxing system; each harvesting system comprises a harvesting frame and a harvesting mechanism, the harvesting mechanism comprises two groups of chain transmission mechanisms which are of inverted triangular structures, and a plurality of flat pressing type manipulators are horizontally and uniformly distributed on transmission chains; each transmission system comprises a horizontal distribution mechanism, a horizontal conveying mechanism and a lifting conveying mechanism; the power control system is connected with and controls a manipulator hydraulic driver, a horizontal leaf pressing roller hydraulic driver and a lifting conveying crawler belt assembly hydraulic driver. and the tobacco leaves on the upper portion are harvested after being pressed downwards through the flat pressing type manipulators and are packed through the conveying systems and the boxing system in sequence. The flat pressing type manipulator system is adopted for harvesting so as to reduce the tobacco leaf breakage rate, and the multiple groups of conveying systems are adopted for improving the conveying efficiency.

The invention provides a novel female die structure for necking pipe fittings, which can prevent the bulging and wrinkling of the pipe fittings and the thinning of pipe walls due to extrusion in the necking process of the pipe fittings effectively, overcome the defect that the necked pipe fittings are bent due to the materials of welding lines of high-frequency welding pipes effectively when the pipe fittings are used as the high-frequency welding pipes, solve the problem that rear ends of the pipe fittings are bulged due to relatively long necking lengths of the pipe fittings and large friction extrusion force between necking sections and a female die cavity and ensure the necking accuracy of the welding pipe fittings. The female die structure comprises a necked female die body and is characterized in that: a hard alloy sleeve is inlaid at the inlet end of an inner hole of the necked female die body and comprises an inlet end pre-reducing section and a reducing section which are in arc transition connection with each other.

The invention relates to the technical field of cables, in particular to a wire stripping machine for cables, comprising: a waste box, the waste box is located below the output end of the conveying mechanism; a slitting mechanism, the slitting mechanism is installed at the output end of the conveying mechanism, and The cutting mechanism is used to cut the cable; the stripping mechanism is used to cut off the insulation layer of the cut cable end and separate it from the cable; the driving mechanism is used to drive the slitting mechanism and the stripping mechanism to work simultaneously; the cross-cutting mechanism , the cross-cutting mechanism is in an inverted "U" shape, and the two ends of the cross-cutting mechanism pass through the two side walls of the cutting position of the stripping mechanism, and the heights of the two ends of the cross-cutting mechanism are different; the cross-cutting mechanism follows the stripping mechanism to cut off the cable end When removing the insulation layer of the head, one end of the cross-cutting mechanism retracts to the inside of the stripping mechanism, and the other end of the cross-cutting mechanism is inserted into the insulation layer of the cable; when the stripping mechanism is separated from the cable, the retracted end of the cross-cutting mechanism rebounds to push Drop and insert the insulation at the other end of the crosscutting mechanism.

The invention discloses a high-efficiency special spinning liquid infiltration equipment for electrospinning nanofibers, which includes a shell, a drying device, an infiltration chamber and a winding roller. The shell is fixed at one end of the top of the bottom plate, and Both ends are provided with baffles, one end of the housing is provided with a dust removal chamber, and the other end of the housing is provided with a drying chamber, and the central position of the housing is provided with an infiltration chamber, and the infiltration chamber , the dust removal chamber and the drying chamber are evenly arranged with partitions, the other end of the top of the bottom plate is fixed with a winding roller through the frame body, and a servo motor is installed on one side of the frame body, and the output end of the servo motor passes through The rotating shaft is connected with the winding roller. The invention is equipped with a shell dust removal chamber, a vacuum cleaner and a dust collection box. The vacuum cleaner uses an internal motor to drive the blades to rotate at high speed, and generates air negative pressure in its sealed shell to absorb dust impurities contaminated on the transported electrospun nanofibers. .

The invention relates to a multifunctional test bar. The multifunctional test bar comprises a hollow length adjustable bar body, a universal locating flexible tube is connected to the top end of the bar body and is installed in an inner cavity in the top part of the bar body in a sliding manner, a flexible tube clamping and locating mechanism is arranged in the inner cavity in the top end part of the bar body, a camera box is installed at the outer extending end of the universal locating flexible tube, a camera is installed on the camera box, the test bar further comprises display screen equipment in wireless communication connection with the camera, the display screen equipment is handheld or is detachably clamped on the bar body through a clamping seat, a spring cable clamp is installed at the bottom end of the bar body, and a current detection wire and a voltage detection wire are led out from the spring cable clamp. The multifunctional test bar helps to read a name plate rapidly, assists in wiring, is simple in structure, is flexible to operate, and is quite convenient to carry and use.

A vacuum adsorption conveying device in a water-based printing machine relates to the technical field of printing, including a vacuum adsorption box, characterized in that: the vacuum adsorption box consists of an upper cover, a lower cover, a left box, a right box and a middle spacer The middle partition plate divides the vacuum adsorption box into five air suction chambers, and the vacuum adsorption box is provided with a transmission mechanism, a lifting adjustment mechanism and a damper system; the invention can effectively improve the watermarking machine. The color registration accuracy has been improved from ±0.5 to ±0.2mm from the original domestic and foreign ordinary machine color registration accuracy. 2, and the vacuum adsorption transfer can protect the printing screen without reducing the compressive strength of the corrugated cardboard, and at the same time, for some cardboards that have large bending deformation and cannot be printed on the transfer structure of the paper guide roller, it not only plays the role of straightening and The conveying accuracy can also be guaranteed, and finally a multi-color water-based printing product with offset printing effect is printed on the water-based printing slotting and die-cutting machine.

An inflation / deflation type air bag unfolding and coiling device relates to an unfolding and coiling device, and aims to solve the problem that in a conventional aviation spacecraft, the inflation structure is highly flexible, the folding and coiling are controlled difficultly, and the folding and unfolding process in the working state needs to be simulated and experimented on the ground, but no unfolding and coiling device capable of achieving the function of assisting the folding and the unfolding and unfolding controllability is available. The inflation / deflation type air bag unfolding and coiling device comprises a middle shaft, a driving and locking mechanism, a support saddle, an upper limiting stop lever, a lower limiting stop lever and a ventilation mechanism, wherein the ventilation mechanism comprises a ventilation connecting pipe, a rotary joint and an air valve; the support saddle comprises a base, two cross beams and two vertical beams; the middle shaft is arranged on the two vertical beams positioned between the two cross beams and can be rotated in the circumferential direction; the ventilation connecting pipe is connected to one vertical beam; the air valve is connected to the end part, opposite to the rotary joint, of the ventilation connecting pipe; and the other end of the middle shaft is connected with the driving and locking mechanism used for controlling the rotation and the stopping of the middle shaft. The device is used for inflatable structures of large-scale aviation spacecrafts.

The invention discloses a plate taking mechanism for preventing deformation of a glass substrate, comprising a square mounting plate, suction cup assemblies installed at the four corners of the lower end of the square mounting plate, the four suction cup assemblies are distributed in a rectangular shape, and the upper ends of the four suction cup assemblies share a common There is an air extraction connection component connected, and the upper ends of the two suction cup components located on the same diagonal line of the square mounting plate are jointly installed with a size adjustment component. The outside of each suction cup component is connected with a traction component. pieces. When taking out the glass substrate, the four suction cup assemblies can absorb the glass substrate from the four corners. After the glass substrate is absorbed, the traction assembly is activated to pull the support standpipe outward, and the four support standpipes are pulled out at the same time. Pulling outwards can straighten the glass substrate, which can not only prevent warping and deformation around the glass substrate, but also effectively avoid concave deformation at the center of the glass substrate.

The invention relates to the field of workpiece straightening, in particular to a straightening machine for manufacturing an air-tight door, the straightening machine comprises a conveying mechanism and a workbench which are arranged in sequence, wherein a jacking plate hole is formed in the workbench, and the conveying mechanism is used for conveying I-shaped steel machined by the straightening machine to the position above the jacking plate hole in the workbench; a jacking assembly capable of penetrating through the jacking plate hole to jack up the I-shaped steel is arranged below the jacking plate hole, and extrusion assemblies used for applying extrusion force to the I-shaped steel jacked up by the jacking assembly are arranged on the two sides of the upper portion of the jacking plate hole; a pressure drop assembly is arranged above the jacking plate hole and used for applying downward extrusion force to the I-shaped steel jacked up by the jacking assembly. The simple tractable vehicle axle lifting device has the effect of conveniently improving the straightening efficiency of the I-shaped steel on an air-tight door.

The invention discloses a beam-column energy-dissipating connector based on a U-shaped plate and a construction method thereof. It is arranged between the column side end plate and the beam side end plate, and the beam side end plate is fixed to the beam end of the prefabricated beam through prestressed tendons; two energy dissipation units are symmetrically arranged on the upper and lower sides of the connecting section steel, and one end of the energy dissipation unit It is fixedly connected to the end plate on the column side, and the other end is fixedly connected to the beam end of the prefabricated beam; the connecting plate on the column side and the connecting plate on the beam side in the energy dissipation unit are arranged vertically The ends are fixedly connected, and the U-shaped plate is arranged between the connecting plate on the column side and the connecting plate on the beam side; the present invention utilizes the plastic deformation of the U-shaped plate to dissipate energy, and the energy consumption through the yield of the joints has the effect of vibration reduction; the beam side The end plates are fixed to the prefabricated beams through prestressed tendons. Under the action of prestress, residual deformation can be reduced and the seismic performance of the structure can be effectively improved.

The invention discloses an automatic shearing device for a steel plate. The automatic shearing device comprises a workbench, a frame block and a stand. The stand is provided with a clamping mechanism.The clamping mechanism comprises a transverse plate, a driving belt, an X-axis sliding rail and a sliding mechanism. The sliding mechanism comprises two sliding sleeves capable of sliding oppositely.The two sliding sleeves are provided with a first roller shaft, a second roller shaft and a third roller shaft. The frame block is provided with a first air cylinder with the movable end being provided with an L-shaped mounting plate. A clamping cylinder and a vertical plate with a horizontal sliding groove are fixed to the top face of the L-shaped mounting plate. A fixing block and a sliding block are arranged in the horizontal sliding groove. The front end of the fixing block and the front end of the sliding block are connected with an L-shaped first clamping plate and an L-shaped second clamping plate correspondingly. A shearing cylinder used for driving a shear body to operate is arranged above the clamping cylinder. The automatic shearing device for the steel plate is compact in structure and convenient to use, the steel plate can be cut automatically and the labor intensity of workers is greatly relieved.