12results about How to "Reduction tool" patented technology

The invention discloses an ultraviolet lithography lens and a lithography machine, and relates to the technical field of optics, and the ultraviolet lithography lens comprises a plurality of lenses which are sequentially arranged from an object side to an image side; the focal power of the first lens, the fourth lens, the fifth lens, the sixth lens, the twelfth lens, the thirteenth lens, the nineteenth lens, the twentieth lens, the twenty-first lens and the twenty-fourth lens is negative. The focal power of the second lens, the third lens, the seventh lens, the eighth lens, the ninth lens, the tenth lens, the eleventh lens, the fourteenth lens, the fifteenth lens, the sixteenth lens, the seventeenth lens, the eighteenth lens, the twenty-second lens and the twenty-third lens is positive, and the lenses are all spherical lenses. According to the technical scheme provided by the invention, the installation and adjustment difficulty and cost of the ultraviolet lithography lens can be greatly reduced while the precision is maintained.

The invention discloses an electric diaphragm pump capable of building pressure. The electric diaphragm pump comprises a pump body, a pump cavity, an eccentric wheel, a diaphragm piece, a one-way ball valve, a left heat preservation shell, a right heat preservation shell, a butt joint assembly, a main channel, a heat preservation inner cavity and an inner assembling assembly. The heat preservation shell has the following advantages and effects that the heat preservation shell is formed by assembling the left heat preservation shell and the right heat preservation shell after being in butt joint, the heat preservation shell is different from a complex whole shell structure, and assembling can be rapidly completed only by aligning and fixing the two half shells in the assembling process; through the arrangement of the butt joint assembly, butt joint of the left heat preservation shell and the right heat preservation shell can be achieved, and mutual communication of the two main channels and the two heat preservation inner cavities can also be achieved; and through the arrangement of the inner assembling assembly, the left heat preservation shell and the right heat preservation shell can be butted and automatically assembled, so that the assembling efficiency and convenience are improved.

The utility model relates to the field of plate connection, in particular to an assembly-free sandwich plate structure. The upper plate, the middle plate and the lower plate are sequentially distributed in an abutting mode from top to bottom, and the connecting assembly is used for connecting the upper plate, the middle plate and the lower plate. The upper plate is provided with a plurality of clamping grooves a with downward openings; the middle plate is provided with through holes in one-to-one correspondence with the clamping grooves a; the lower plate is provided with clamping grooves b which are in one-to-one correspondence with the through holes and are provided with upward openings; the connecting assembly comprises a plug pin rod clamped and embedded in the clamping groove a and expansion hardware clamped and embedded in the clamping groove b, the plug pin rod penetrates through the through hole, and the plug pin rod is connected with the expansion hardware in an inserted mode. According to the utility model, convenient and efficient assembly is carried out through clamping, embedding and inserting modes.

The invention discloses an ultraviolet lithography lens and a lithography machine, and relates to the technical field of optics, and the ultraviolet lithography lens comprises a plurality of lenses which are sequentially arranged from an object side to an image side; the plurality of lenses comprise a first lens with positive focal power, a second lens with positive focal power, a third lens with positive focal power, a fourth lens with positive focal power, a fifth lens with negative focal power, a sixth lens with negative focal power, a seventh lens with positive focal power, an eighth lens with positive focal power and a ninth lens with positive focal power; a tenth lens with positive focal power, an eleventh lens with negative focal power, a twelfth lens with positive focal power, a thirteenth lens with positive focal power, a fourteenth lens with positive focal power and a fifteenth lens with negative focal power; wherein the plurality of lenses are all arranged to be spherical lenses; according to the technical scheme provided by the invention, the installation and adjustment difficulty and cost of the ultraviolet lithography lens can be greatly reduced while the precision is maintained.

This invention belongs to the field of mechanical engineering technology and discloses a support device for a telescopic arm of a robot for adding a cover to a mixed-iron car. The device includes a support plate, a limiting box fixedly installed on the top of the support plate, a threaded sleeve movably installed inside the limiting box, and an mounting plate fixedly installed on the top of the threaded sleeve. The mounting plate has a sliding groove inside. Compared with traditional devices, this invention, through the cooperation between the threaded sleeve and the threaded rod, facilitates the slow upward movement of the telescopic arm, greatly improving operational flexibility. It allows the robot to easily cope with different working conditions and positional requirements, expands the working range, reduces adjustment time due to height mismatch, optimizes the work process, significantly enhances work efficiency, and ensures a safe distance between the robot and the mixed-iron workshop through precise height adjustment, reducing operational risks and improving the stability of the telescopic arm during operation, effectively ensuring operational safety.

The utility model relates to the technical field of storage, in particular to an intelligent goods shelf convenient to install, which comprises a plurality of shelf boards from top to bottom, two sides of each shelf board are fixed through supports, a control box is installed on the upper portion inside the support on one side, each shelf board comprises a lower board and an upper board, and an antenna placing groove is installed between each lower board and the corresponding upper board. The support comprises an inner frame, the outer side of the inner frame is sleeved with a cover plate, the inner frame comprises two parallel vertical rods, and a transverse rod and an inclined rod are installed between the two vertical rods. According to the intelligent goods shelf convenient to install, the intelligent goods shelf adopts the design of the shelf plates from top to bottom, the shelf plates are fixed through the supports, and the stability of the goods shelf is guaranteed through the structure. The two sides of the layer plate are connected and fixed through the mounting plate to form an integral structure which is firm and easy to assemble, so that time and tools required by mounting are reduced. The antenna placing grooves are formed in the layer plates, so that the goods shelf can easily accommodate intelligent equipment such as antennas, and extra customization work is not needed.

The utility model provides a modularized connecting assembly, and belongs to the technical field of machinery. Comprising a frame body; the mortise and tenon buckles are arranged on the frame body; each short transverse rod is arranged on the rack body at least through one pair of mortise and tenon buckles; the two connecting rods are arranged on the frame body, each connecting rod comprises an installation sliding groove, a push-pull rail, a push-pull limiting hole and two rockers, and the two rockers are arranged on the frame body. The mortise and tenon buckles are matched with the push-pull rails, and the limiting columns are in interference fit with the limiting holes, so that quick connection between the short cross rods and the frame body, between the connecting rods and the short cross rods and between the rocking bars and the connecting rods is realized, steps and tools required during assembly are reduced, quick disassembly, assembly and replacement of various parts can be realized, and the assembly efficiency is improved. And meanwhile, the device can be widely applied to modular part assembly, and later maintenance and replacement of the parts are facilitated.

The utility model discloses a consumption-reducing purifier which comprises a shell, ventilation structures are arranged on the top and the side edge of the shell; the purification assembly is arranged in the shell, and the purification assembly comprises a detachable filter cylinder and an air inlet fan arranged at the top of the filter cylinder; the replacement assembly is arranged at the bottom of the shell, the replacement assembly comprises a cover plate used for fixing the filter cartridge, and a lock hook used for fixing the cover plate is arranged on the outer side of the cover plate; the air purifier has the beneficial effects that the lock hook is matched with the cover plate, and under the matching action of the interlocking sleeve, the filter cartridge is ensured to be tightly fixed in the purifier, so that the looseness caused by vibration or other factors in the use process is avoided, additional tools or steps are reduced when the filter cartridge is replaced, trouble and labor are saved, and the production efficiency is improved. The body weight scale is arranged at the top of the shell and can be used as a body weight scale, and large particles or dust suspended in the air can be effectively blocked.

A fully automatic crankshaft oil hole processing CNC machine tool is used for processing crankshaft oil holes and chamfers. It is mainly composed of a bed, a horizontal slide, a turntable, a vertical column, a vertical slide, a vertical slide, a crankshaft indexing and turning fixture, a crankshaft axial positioning fixture, a crankshaft radial positioning fixture, a turret power head, a tool monitoring, measurement and tool setting system, an electrical control system, a hydraulic control system, a chip conveyor system, an MQL lubrication system and machine tool protection. The present invention only requires one machine tool and a turret power head to complete the fully automatic processing of drilling straight oil holes, drilling straight oil holes, drilling inclined oil holes, drilling inclined oil holes, straight oil holes and chamfering of inclined oil holes on the crankshaft. It will not cause pollution to the environment, and the production environment is thoroughly improved. It has a high degree of automation and strong flexibility, which can effectively improve work efficiency and reduce labor intensity.

The invention discloses a trailer device for releasing parking of an electric motor coach through electric control, and belongs to the technical field of vehicle engineering. Comprising a fixed base which is used for being fixed on a frame and is provided with a first electromagnetic valve switch; the tow hook can be inserted into the fixed base and is in contact with the first electromagnetic valve switch; the lock valve assembly is arranged on the fixed base and is used for locking or unlocking the tow hook; the second electromagnetic valve switch is arranged in the vehicle; and the electromagnetic valve is electrically connected with the first electromagnetic valve switch and the second electromagnetic valve switch, and the air flow direction between an air storage cylinder of the automobile and the rear axle parking brake air chamber and between the air storage cylinder and the lock valve assembly are switched through the electromagnetic valve. When a trailer is needed, the trailer hook is inserted into the fixed base and is in contact with the first electromagnetic valve switch to be electrified, the vehicle enters a trailer state, after the trailer is completed, the second electromagnetic valve switch is pressed down to close the electromagnetic valve, the vehicle ends the trailer state, the automation degree is high, operation is more convenient, and the trailer operation efficiency and convenience are improved.

The invention relates to the technical field of composite material testing, in particular to a composite material tensile property test sample reinforcing piece pasting tool and a sample preparation method. The tool comprises a mounting base, and an upper clamping plate and a lower clamping plate are arranged above the mounting base from top to bottom at intervals; two transverse clamping plates are transversely arranged between the upper clamping plate and the lower clamping plate at intervals; the upper clamping plate and the lower clamping plate each comprise a horizontally-arranged bottom plate, baffles are symmetrically installed at the two ends of the lower surface and the two ends of the upper surface of the bottom plate respectively, a plurality of sliding rails arranged at intervals are connected between the two baffles, two sliding clamping plates are installed on the sliding rails in a penetrating mode, and each sliding clamping plate is connected with the adjacent baffle through a distance adjusting mechanism. A partition plate arranged on the sliding rails in a penetrating mode is further arranged between the two sliding clamping plates. The upper clamping plate and the lower clamping plate are detachably connected through a plurality of fastening bolts which are arranged at intervals; the horizontal positions of the upper clamping plate, the lower clamping plate and the transverse clamping plate are limited through the first stand column, the second stand column and the third stand column, and the reinforcing pieces are prevented from deviating during pasting.

This utility model relates to the field of moss variety screening technology, specifically to an intelligent moss variety screening device based on machine vision. It includes a sealed box and a monitoring box. The bottom of the sealed box has a sealing cylinder, and the bottom of the sealing cylinder has a suction cup. The sealed box contains a lifting mechanism, and a sealing plug is provided between the output end of the lifting mechanism and the sealing cylinder. The top of the sealed box has an adjustment box with a heat dissipation mechanism. The device is fixed using a suction cup, utilizing air pressure difference to achieve a firm adhesion between the device and the placement surface, simplifying the installation process and making it convenient and quick. Through a rotating mechanism and bearing seat, the monitoring box can rotate around a specific axis, thereby adjusting the camera's shooting angle and greatly expanding the image acquisition range. This helps to comprehensively cover all moss samples within the target area, ensuring the acquisition of high-quality image data.