261results about How to "Improve loading and unloading efficiency" patented technology

The utility model provides a fixing plate bending device, and belongs to the technical field of plate machining. The fixing plate bending device comprises a fixing assembly and a material pushing assembly, the fixing assembly comprises a workbench, a groove plate, a lower die, a limiting inserting rod, a first elastic piece and a downward pressing piece, the material pushing assembly comprises a material pushing sliding rod and a second elastic piece, and the second elastic piece is arranged at the bottom of the workbench. By arranging the working table, the groove plate, the lower die, the limiting insertion rod, the first elastic piece and the pressing piece, positioning is conducted in the mode that the lower die and the groove plate are connected in an inserted mode, then the first elastic piece pushes the limiting insertion rod to keep limiting and abutting against the lower die, replacement and installation are completed, disassembly is convenient, the installation mode of multiple bolts is avoided, efficiency is improved, and cost is reduced. And by arranging the material pushing sliding rod and the second elastic piece, the second elastic piece is used for pushing the material pushing sliding rod to move upwards, the bent workpiece can be immediately pushed out, and the feeding and discharging efficiency is greatly improved.

The invention discloses a method for rapidly forecasting dynamic response of waves in a port and moored ships. The method comprises the steps that S1, a wave numerical model in the port is built; s2, building a mooring numerical model of a preset ship type; s3, establishing a training set by using the in-port wave numerical model and the mooring numerical model, wherein the training set comprises a coastal wave condition parameter, a coastal wind field condition parameter, an in-port wave parameter and mooring ship dynamic response data; s4, taking the coastal wave condition parameters and the coastal wind field condition parameters as input, taking the in-port wave parameters and the mooring ship dynamic response data as output, and training to obtain a neural network model; and S5, inputting coastal wave observation data and coastal wind field observation data into the neural network model to obtain in-port waves and dynamic response prediction data of the mooring ship. Defects in the prior art can be overcome, and rapid forecasting of dynamic response of waves and mooring ships in the harbor is achieved.

The utility model belongs to the technical field of machining, and particularly relates to an automatic feeding and discharging device of a machine tool. Disclosed is a machine tool automatic feeding and discharging device. Comprising a feeding table, an elastic clamping carrier, a feeding module and a transfer table, wherein a plurality of workpieces can be stacked in the elastic clamping carrier, and the elastic clamping carrier can be vertically clamped on the feeding table; the feeding module comprises a discharging air cylinder and a carrying module which are arranged on the feeding table; comprising a machine tool spindle and a clamping air cylinder fixedly connected to the machine tool spindle and used for clamping a workpiece, the collecting carrier is arranged on a machine tool table and used for containing the machined workpiece, a feeding table and an elastic clamping carrier are arranged on the outer side of a machine tool shell, and the carrying module carries the workpiece to a transfer table to be positioned. And the machine tool main shaft drives the taking and placing module to clamp the workpiece on the transfer table and place the machined workpiece in the material receiving carrier. The automatic feeding and discharging device can automatically and continuously carry out feeding and discharging and is high in feeding and discharging efficiency.

The utility model relates to the technical field of logistics handling equipment, and discloses logistics loading and unloading handling equipment convenient to lift, which comprises a handling equipment body, a lifting mechanism is arranged at the top of the handling equipment body, a bearing frame is fixedly connected to the left side of the handling equipment body, and a balancing weight is arranged in the bearing frame. Universal wheels are fixedly connected to the bottom of the carrying equipment body, a limiting mechanism is arranged at the bottom of the carrying equipment body, the lifting mechanism comprises a lifting assembly and a fixing assembly, and the lifting assembly is arranged at the top of the carrying equipment body. And under the action of a worm gear and a worm, the placement frame can be driven to rotate, the position of the placement frame is adjusted, the process that the placement frame is driven to rotate through universal wheels under the condition that goods are heavy is avoided, and therefore the stability of the placement frame for driving the goods to rotate is guaranteed.

The utility model discloses a foundation pit settlement detection device which comprises a base and a static force level gauge located at the top of the base and further comprises a height adjusting mechanism located between the base and the static force level gauge. The plurality of plug-in mounting mechanisms are positioned at the bottom of the base and are used for mounting and dismounting the static leveling instrument; the plug-in mounting mechanism comprises a mounting plug, two fixed abutting blocks and a telescopic assembly. According to the scheme, by arranging the inserting mechanism, the static leveling instrument can be conveniently and rapidly inserted, connected, mounted and dismounted, so that an expansion screw is not needed for mounting and fixing, and the purposes of effectively reducing the mounting and dismounting difficulty, being simple and convenient to operate, saving time and labor and improving the mounting and dismounting efficiency are achieved; the installation height of the static force level gauge can be accurately and finely adjusted according to use requirements, so that the purpose of facilitating normal detection and use of the static force level gauge is achieved.

The numerical control machine tool comprises a numerical control machine tool body, a machining base is arranged at the bottom in the numerical control machine tool body, a cutter is arranged at the top in the numerical control machine tool body, a first opening is formed in the right side wall of the numerical control machine tool body, and a discharging plate is arranged in the first opening. A second opening is formed in the left side wall of the numerical control machine tool body, a material conveying assembly is arranged in the second opening, and a pushing assembly is arranged at the bottom in the numerical control machine tool body. Under cooperation of the discharging plate, the material conveying assembly and the pushing assembly, parts can be machined for feeding and discharging, manual operation for feeding and discharging is not needed, and the parts can be rapidly replaced; and the feeding and discharging efficiency is improved.

The utility model relates to the technical field of paper pulp tableware processing, in particular to automatic film laminating equipment which comprises a film laminating mechanism, the film laminating mechanism comprises a supporting base, the top of the supporting base is fixedly connected with a protective frame, and the top of the protective frame is fixedly connected with a limiting frame. According to the utility model, a plurality of regulation and control plates I and a plurality of regulation and control plates II are connected to the rear side wall in the limiting frame in a sliding manner, so that tiled blanks are conveyed to the uppermost regulation and control plate I through the conveying belt, and the driving module is started to drive the blanks to fall to the top of the placement template at intervals; the blanks are clamped into the placement template through shaking of the [-shaped frame, paper pulp meal boxes can be conveniently and rapidly put into the placement template, manual blank putting is not needed, manpower is saved, the blanks can automatically slide down to be stacked through sliding clamping of the guide plate into the lower portion of the blanks subjected to film covering, and the labor intensity of workers is relieved. The feeding and discharging efficiency of paper pulp meal box blank film covering is improved, and use is convenient.

The utility model relates to the technical field of press machines, in particular to an automatic press machine production line. According to the technical scheme, the automatic press machine production line comprises a feeding and discharging table and further comprises a bending machine, a conveying frame assembly, a front material pushing assembly and a rear material blocking assembly. A conveying frame assembly is arranged in the feeding and discharging table. A front pushing assembly is arranged below the conveying frame assembly. A rear material blocking assembly is arranged behind the front material pushing assembly. Workpieces are conveyed to the position between the material pushing plates through conveying rollers of the conveying frame assembly, then the lifting air cylinder drives the lifting adjusting plate and the material pushing plates to rise to make contact with the outer edges of the workpieces, and then the front-back moving adjusting lead screw drives the front-back adjusting sliding plate and the whole upper portion of the front-back adjusting sliding plate and drives the workpieces to move backwards. And then the rear material blocking assembly is matched to convey the workpiece to the conveying roller for discharging and conveying, and the feeding and discharging efficiency during workpiece stamping machining is greatly improved.

The invention relates to the technical field of logistics unloading platforms, in particular to an adjustable logistics unloading platform and an unloading method thereof.The adjustable logistics unloading platform comprises a fixed base, a lifting rod, a logistics platform, a transportation mechanism, a connecting mechanism and a transition assembly; the fixed base is mounted at a logistics unloading position; the lifting rod is installed on the fixed base and can ascend and descend to adjust the height of the logistics platform, and the logistics platform is installed on the lifting rod; the transportation mechanism is obliquely installed on the side face of the logistics platform, and an adjusting assembly in the transportation mechanism can adjust the length value of the exposed part of the connecting mechanism. The connecting mechanisms are installed in the adjacent conveying mechanisms, and the two conveying mechanisms are fixed together through the connecting mechanisms when the two conveying mechanisms are pulled open. The transition assembly is installed on the connecting mechanism, and the transition assembly bounces to continuously support goods when the connecting mechanism is pulled open.

The utility model provides a punching machine facilitating feeding and discharging. The punching machine facilitating feeding and discharging comprises a punching table, a supporting table, a hydraulic cylinder, a die holder, a material ejecting assembly, a cleaning assembly and a protection frame. The supporting table is mounted in the stamping table; the hydraulic cylinder is installed at the top of the stamping table, the output end of the hydraulic cylinder is fixedly connected with a movable seat, and a stamping head is installed at the bottom of the movable seat; the die holder is mounted at the top end of the supporting table; the material ejecting assembly is used for ejecting materials and arranged at the bottom of the supporting table, and the material ejecting assembly is arranged at the bottom of the die holder; the cleaning assembly is mounted on the side wall of one end of the supporting table; and the protection frame is mounted on one side of the bottom end of the supporting table. According to the punching machine facilitating feeding and discharging, through the structural design of the punching table, the hydraulic cylinder, the die holder, the jacking assembly, the cleaning assembly and the protection frame, chippings and dust generated by punching are conveniently cleaned, the situation that follow-up punching use is affected is avoided, a punched part is conveniently taken out after punching, and the feeding and discharging efficiency is improved.

The utility model discloses a flatbed trailer convenient to butt joint installation, including device body, be equipped with the supporting plate in the device body, the supporting plate front end is connected supporting plate frame and is equipped with the protection frame on the supporting plate, be equipped with the mounting buckle and the connector on the supporting plate frame, be equipped with the lifting rod in the mounting buckle, the lifting rod below is connected the pressing plate, be equipped with the fixed base on the connector, be equipped with the support plate on the fixed base and open the screw hole in the fixed base, be equipped with the clamping plate on the support plate, screw the thread rod in the screw hole, the thread rod one end is connected the ring, open the clamping slot in the protection frame, insert the baffle in the clamping slot, be equipped with the connecting hole in the baffle, be equipped with the locking rod in the connecting hole, be equipped with the clamping rod in the locking rod, the mobile wheel is installed below the supporting plate, can guarantee that flatbed trailer and traction equipment, flatbed trailer each component connection is stable, guarantees in transportation not easy to loosen, reduces the potential safety hazard, promotes transportation security.

The utility model relates to filter cloth production technical field especially, it is a kind of filter cloth winding device with tension automatic regulating function, including machine frame, the quick cloth roll dismounting roll of dismounting cloth roll mechanism and adjusting mechanism of adjusting cloth tension are respectively provided on the machine frame.The utility model discloses adjusting mechanism is set, in the process of filter cloth production, the tension of filter cloth can be automatically adjusted, ensure that filter cloth keeps tension stable in winding, avoid filter cloth to be too loose and lead to its wrinkle, set up the support structure of distribution simultaneously, can guarantee filter cloth conveying stable, improve winding quality and consistency, set up dismounting cloth roll mechanism, through the ring of twisting can quickly fixed or dismounting roll, improve the rate of filter cloth winding, and after winding is completed, the filter cloth of winding can be automatically pushed out, both reduce manual operation, reduce labor cost, improve the efficiency of cloth roll mounting and dismounting and convenience again.

The invention provides a port environment multi-vehicle operation cooperative scheduling system, which is applied to an intelligent driving vehicle, and comprises a vehicle-mounted device used for collecting and uploading the driving track data of the vehicle in real time; the electronic fence is used for monitoring a driving track of a vehicle in the electronic fence; the remote monitoring and dispatching platform is used for receiving the vehicle driving track data uploaded by the vehicle-mounted device and the vehicle driving track data in the electronic fence, judging whether the vehicle driving tracks in the electronic fence conflict or not, if yes, sequencing the time when the vehicles in the electronic fence enter the electronic fence in sequence, and sending the sequenced time to the vehicle-mounted device; and issuing a passing instruction to the vehicle entering the electronic fence at the earliest, issuing a parking instruction to other vehicles, and after the vehicle entering the electronic fence at the earliest runs away from the electronic fence, issuing a passing instruction to the next vehicle entering the electronic fence at the earliest, and receiving a communication instruction to the subsequent vehicles until all vehicles in the electronic fence run away.

The invention relates to the field of rotary cutters. The automatic feeding and discharging system comprises an adsorption mechanism, a horizontal moving mechanism, a lifting mechanism, a discharging mechanism and a receiving mechanism, the discharging mechanism and the receiving mechanism are arranged on the two sides of the rotary cutter respectively, and the discharging position of the discharging mechanism, the machining position of the rotary cutter and the receiving position of the receiving mechanism are located on the same straight line. The adsorption mechanism is in transmission connection with the lifting mechanism, the lifting mechanism is in transmission connection with the horizontal moving mechanism, and the horizontal moving mechanism drives the adsorption mechanism to horizontally move to the position above the discharging position of the discharging mechanism, the machining position of the rotary cutter or the receiving position of the receiving mechanism. The lifting mechanism drives the adsorption mechanism to be close to or away from the discharging position of the discharging mechanism, the machining position of the rotary cutter or the collecting position of the collecting mechanism. According to the automatic feeding and discharging system of the rotary cutter, automatic feeding and discharging of a circuit board are achieved when the circuit board is ground to be flat through the rotary cutter, the feeding and discharging efficiency is improved, and then the working efficiency of the rotary cutter is improved.

This utility model relates to the field of building construction technology and discloses a high-efficiency material lifting device for building construction. It includes a support frame, a motor mounted at the bottom, a lifting base and a material cart in the middle, and limit plates on both sides of the top. Two sets of first and second gears, connected by rotating rods, are rotatably mounted on the bottom and back sides of the support frame, respectively. These gears mesh with a chain, and the motor drives the first gear to rotate, which in turn drives the chain to lift the base. Slide rods are mounted on both sides of the support frame. Multiple sets of pulleys are rotatably mounted on both sides of the mounting plate of the lifting base and slidably connected to the slide rods, serving as guides and limiters. The lifting base includes a mounting plate, connecting blocks, pulleys, etc. A slot seat is rotatably mounted between the mounting plates. The material cart slides into the slot seat via a slider. A locking device is located at the top of the slot seat. By moving a lever, a connecting rod is moved, causing a pin to slide within a limit sleeve, engaging with the opening of the material cart's insertion rod to fix the material cart, ensuring safe and stable material lifting.

The utility model relates to a welding wire roller transfer trolley which comprises a frame body, a handrail arranged on one side of the frame body, universal wheels fixed to the bottom of the frame body, a left placing area and a right placing area arranged on the frame body, each placing area comprises an upper placing frame and a lower placing frame, each placing frame comprises two limiting rods arranged at intervals, and the interval between the limiting rods is smaller than the outer diameter of a welding wire roller. The limiting rods are arranged on the frame body so that a welding wire roller can be placed between the limiting rods, upward protrusions of the angle steel can stop the welding wire roller from rolling from the two sides, and therefore the welding wire roller can be stably clamped between the limiting rods, the lower-layer containing frame is fixedly connected to the bottom of the frame body, and the upper-layer containing frame is arranged on the frame body in a sliding mode so that the height of the upper-layer containing frame can be adjusted on the frame body in a sliding mode. When a welding wire roller is placed on the lower-layer placing frame, the height of the upper-layer placing frame is adjusted upwards, the side space of the frame body is reserved, and therefore the welding wire roller can be assembled and disassembled more conveniently, and after the welding wire roller is assembled, the height of the upper-layer placing frame is adjusted downwards, and the welding wire roller on the lower layer is limited between the upper-layer limiting rod and the lower-layer limiting rod.

The utility model discloses a fender and headlamp installation integrated assembly and a vehicle, and belongs to the field of vehicles. The fender and headlamp installation integrated assembly comprises a fender assembly and a headlamp, Z-direction limiting is conducted on the fender assembly and the headlamp through a Z-direction limiting structure, the Z-direction limiting structure comprises a limiting convex rib and a limiting groove, one of the limiting convex rib and the limiting groove is arranged on the headlamp, and the other one of the limiting convex rib and the limiting groove is arranged on the fender assembly. The limiting groove is provided with a first side wall face arranged upwards and a second side wall face arranged downwards, the second side wall face and the first side wall face form an included angle, and the first side wall face is used for abutting against the lower end of the side wall face of the limiting convex rib, so that it is guaranteed that the headlamp is firmly installed, and the phenomenon that the headlamp is misplaced with a fender and a front bumper fit clearance is avoided; when the main positioning pin and the auxiliary positioning pin of the headlamp are assembled with the corresponding positioning holes, the operation is simple, and the assembling and disassembling convenience and efficiency are improved. The positioning stability when the headlamp and the front wing assembly are assembled can be improved, and adjustment is easy in the trial-manufacturing stage.

The invention discloses a full-automatic intelligent rotor magnetic steel insertion machine. The device comprises a machine table; the rack is fixed on the machine table, an upper jig is arranged on the rack, and the upper jig is movably connected with the rack up and down; the insertion jig bottom plate is fixed on the machine table, a placement seat through hole is formed in the insertion jig bottom plate, and a plurality of magnetic steel placement grooves are formed in the side wall of the placement seat through hole; the rotor iron core placing seat is arranged in the placing seat through hole and is connected with the placing seat through hole in an up-down sliding manner, and a magnetic steel magnetic attraction groove is formed in the side wall of the rotor iron core placing seat; and the up-down sliding jig assembly is arranged on the lower end face of the insertion jig bottom plate and connected with the rotor iron core placement seat, the up-down sliding jig assembly and the insertion jig bottom plate are connected in an up-down sliding mode, and the up-down sliding jig assembly is provided with a placement seat automatic reset structure. The beneficial effect of the invention is that a plurality of magnetic steels can be inserted at the same time at one time.

The utility model discloses a spring motor packaging fixed structure belongs to packing box technical field, including packing box, bottom plate is laid in the packing box, is equipped with the first positioning hole on the bottom plate, and the cover plate is crossed and lays down in the packing box with bottom plate, is equipped with second positioning hole and third positioning hole on the cover plate, the utility model discloses a traditional independent packing carton is replaced into large -scale wooden box to design the bottom plate and cover plate of mutual superposition cooperation use in the wooden box, can complete the synchronous positioning packaging of a large number of spring motor, not only can realize disposable mass packing's effect, reduces the use of material, reduces the packaging cost simultaneously still can be convenient for the recycling of packing material, and can also carry out effective positioning protection to spring motor, the security of packaging and transportation, through this mode simultaneously, can be favorable long -distance sea transportation, improves the efficiency of loading and unloading.

The utility model provides a compressed block grab bucket, which belongs to the field of machinery and comprises a connecting seat, a support, a left grabhook and a right grabhook, the upper end of the support is connected with the lower end of the connecting seat, the left side of the lower end of the support is hinged with the left grabhook through a first pin shaft, the right side of the lower end of the support is hinged with the right grabhook through a second pin shaft, and the left grabhook and the right grabhook are oppositely arranged. A grabhook oil cylinder is arranged between the left grabhook and the right grabhook, the left end of the grabhook oil cylinder is hinged to the left grabhook through a third pin shaft, the right end of the grabhook oil cylinder is hinged to the right grabhook through a fourth pin shaft, and the grabhook oil cylinder is arranged on the inner side of the support. According to the grab bucket, a sling does not need to penetrate through the bottom of the grab bucket, and rope threading and hooking are not needed, so that auxiliary operation of workers is not needed, the probability of danger is reduced, the loading and unloading efficiency is high, and loading and unloading are easy.

The application discloses a detachable screw sleeve dismounting tool for a motor, and relates to the field of screw sleeves, which comprises a screw sleeve body, the bottom end of the screw sleeve body is connected with a mounting handle, a notch is arranged above the connection between the mounting handle and the screw sleeve body, and the screw sleeve body is provided with at least one notch at the bottom end, a shell is used for dismounting the screw sleeve body, a dismounting cylinder and a rotating cylinder are slidably connected in the shell along an axial direction, the two ends of the dismounting cylinder are respectively provided with a dismounting structure and a mounting structure which are used for dismounting the screw sleeve body, and the two ends can be connected with the rotating cylinder, a punch is slidably connected in the rotating cylinder, the top end of the punch is fixedly connected with a guide rod, the guide rod penetrates out of the rotating cylinder upwards and is connected with a rotating handle at the top end. The notch is arranged in the diameter direction at the mounting handle, the tool is inserted into the fractured step, and the complete screw sleeve is conveniently taken out without damaging the screw thread in the motor screw hole.

The utility model relates to the field of environmental protection equipment, in particular to a garbage classification box convenient to load and unload. The utility model provides a garbage classification box convenient to load and unload, which can assist in loading and unloading garbage in the garbage classification box, so that the garbage classification box is convenient to load and unload cleanly, and the loading and unloading efficiency of the garbage classification box is improved. A garbage classification box convenient to load and unload comprises a base, a collecting barrel, rotating pieces and the like, the collecting barrel is connected to the upper side of the base, and the left rotating piece and the right rotating piece are rotationally connected to the upper side of the front portion of the collecting barrel. When the collecting barrel is dumped into a garbage recycling truck, the sliding seat slides in the collecting barrel under the action of the gravity of the water tank, garbage which is difficult to dump from the collecting barrel is scraped into the garbage truck, the garbage in the garbage classification box can be loaded and unloaded in an auxiliary mode, the garbage classification box is convenient to load and unload thoroughly, and the working efficiency is improved. And the loading and unloading efficiency of the garbage classification box is improved.

The application relates to the aluminum alloy processing technical field and discloses a new energy truck aluminum alloy box body, which comprises a detachable truck box frame, the truck box frame comprises aluminum alloy side plates spliced through supports, triangular irons are arranged at the corner positions of the supports, rotatable inner frames are arranged on the aluminum alloy side plates, a traction assembly for driving the inner frames to rotate is further arranged in the truck box frame, the traction assembly comprises matched extension plates and rollers, and a sliding cylinder is slidably arranged on a vertical column; the truck box frame further comprises a bottom plate, a limiting assembly for fixing the inner frames is arranged on the periphery of the bottom plate, the limiting assembly comprises a limiting pin sleeved in a limiting cylinder, a limiting spring and a limiting rope are connected to the bottom end of the limiting pin, the other end of the limiting rope penetrates through the limiting cylinder and is connected to a cylinder, a suspension spring is arranged on the sliding cylinder, and the roller is not in contact with the extension plate when the inner frame is in a vertical state. Compared with the prior art, the application solves the problems such as low truck box unloading efficiency.

The utility model discloses a stacking and transferring device for corrugated paper production, relates to the field of corrugated paper production, and aims to solve the problems that in an existing transferring device in the prior art, a corrugated paper pressing and aligning mechanism is arranged on a moving assembly and cannot move, and corrugated paper is inconvenient to load and unload from the moving assembly in different directions. Side fixing plates are fixedly connected to the two sides of the front end and the rear end of the flat car, guide rods are fixedly connected between the two side fixing plates at the front end and the rear end of the flat car, a C-shaped movable frame is arranged at the upper end of the flat car, a pressing plate is connected to the upper end of the inner side of the C-shaped movable frame, and alignment push plates are connected to the front end and the rear end of the inner side of the C-shaped movable frame. By arranging the C-shaped movable frame capable of moving transversely and cooperating with a sliding structure of the guide sliding block and the guide rod, the pressing and aligning mechanism can be moved away after being fixed, so that corrugated paper piles can be conveniently fed and discharged from the flat car in multiple directions, and the loading and unloading efficiency is remarkably improved.

The utility model discloses a photovoltaic cell production rotary feeding device which comprises a rack and a rotary frame, the rotary frame is rotatably installed at the upper end of the rack, and a driving unit for driving the rotary frame to rotate in the circumferential direction is arranged on the rack; a plurality of feeding ends which are radially arranged around the center of the rotating frame are arranged on the outer side of the rotating frame, and a vacuum chuck module is arranged at the tail end of each feeding end; the rotating frame conveys materials in a rotating mode, the vacuum suction cup modules can grab battery piece materials in a vacuum adsorption mode when rotating to the corresponding stations along with the rotating frame, the grabbing stability is high through the vacuum grabbing mode, meanwhile, damage to the surfaces of battery pieces is avoided, and the working efficiency is improved. And the production takt is improved by adopting a rotary feeding mode, and the feeding and discharging efficiency is higher.

This utility model discloses an online lead straightening machine, including a frame and a feeding conveyor belt, a discharging conveyor belt, a conveying device, and two lead straightening devices, all mounted on the frame. The frame is equipped with a fixture for positioning electronic components. Each lead straightening device includes lead straightening grippers capable of moving in the front-back and up-down directions. The two grippers are respectively configured to clamp leads extending to the front and rear sides of the fixture, ensuring that the horizontal ends of all leads are aligned. The feeding and discharging conveyor belts are located on the left and right sides of the fixture. The conveying device includes feeding and discharging grippers capable of moving synchronously in the left-right and up-down directions. The feeding grippers are configured to transport electronic components from the output end of the feeding conveyor belt to the fixture, and the discharging grippers are configured to transport electronic components from the fixture to the input end of the discharging conveyor belt. This effectively improves the loading and unloading efficiency of electronic components, thereby significantly increasing lead straightening efficiency and reducing labor costs.

This utility model relates to the field of lifting tool technology, and specifically discloses a lifting tool for the drive wheel of a tracked bulldozer, including an I-beam frame, an adjusting arm, adjusting bolts, adjusting nuts, a fixing plate, fixing plate bolts, and fixing plate nuts. The I-beam frame is welded together from two rectangular hollow steel bars and one solid square steel bar. A cover plate is welded to the side of the hollow steel bar at the bottom of the I-beam frame. The adjusting arm is a rectangular hollow steel bar with an outer diameter slightly smaller than the inner diameter of the hollow steel bar of the I-beam frame so that it can be inserted into the hollow steel bar of the I-beam frame. A cover plate is welded to one end of the adjusting arm that is inserted into the hollow steel bar of the I-beam frame. A circular hole with a diameter of 22mm is opened in the center of the cover plate. The adjusting nut is welded above the circular hole to facilitate the adjustment of the extension and retraction of the adjusting arm by the cooperation of the adjusting bolt and the adjusting nut. This lifting tool, with the I-beam frame, adjusting arm, and fixing plate forming a surface, can ensure that the drive wheel is lifted vertically without swaying, solving the problem of unstable center of gravity in traditional lifting.

The utility model discloses an impression cylinder for an ink-jet printing machine, which belongs to the field of ink-jet printing machines and comprises a rotating shaft and a right clamping seat, the rotating shaft is sleeved with a cylinder in a sliding mode, a plurality of strip-shaped blocks are fixedly arranged on the outer side of the rotating shaft, a plurality of strip-shaped grooves are formed in the inner side of the cylinder, and the rotating shaft and the cylinder are arranged in a separated mode. Mounting connection of the rotating shaft and the roller is limited through sliding clamping connection of a strip-shaped block and a strip-shaped groove, the roller is prevented from rotating on the surface of the rotating shaft after being mounted, and therefore the roller is prevented from rotating, and then through arrangement of a limiting ring and a check ring, the left-right connecting position of the rotating shaft and the roller is limited, and the roller is prevented from sliding left and right on the surface of the rotating shaft; meanwhile, the telescopic rod is connected with the left clamping sleeve, left-right movement and limiting of the left clamping sleeve are facilitated, the left side of the rotating shaft is conveniently limited after the rotating shaft is inserted, and the trouble caused by assembling and disassembling of other parts for limiting the left side of the rotating shaft is avoided.

The utility model relates to the technical field of air filters, in particular to an air filter mounting seat which comprises a base and two fixing seats fixedly mounted at the top end of the base, each of two extrusion fixing components comprises a mounting seat mounted above the base in a telescopic sliding manner, and a plurality of rubber extrusion heads are elastically mounted on opposite sides of the mounting seats. The two synchronous transmission assemblies each comprise a screw which moves synchronously with the corresponding mounting base and is spirally mounted at the bottom of the base, each rubber extrusion head can fully extrude and abut against the surface of the air filter through the material characteristics of the rubber extrusion heads and compression deformation of a small spring on the back, and the beneficial effects that limiting and fixing are sufficient are achieved; when the two extruding and fixing assemblies integrally move in opposite directions to extrude and fix the air filter, the screw can be driven to spirally extend out of the base, so that the air filter is directly screwed into a threaded hole in a wall surface through threads, the screw does not need to be screwed or unscrewed independently, the operation steps are reduced, and the assembling and disassembling efficiency is improved.