2464 results about "Pneumatic cylinder" patented technology

The invention provides a multi-angle cutting laser pipe cutting machine, and belongs to the technical field of laser cutting equipment, the multi-angle cutting laser pipe cutting machine comprises a machining module, a feeding module is arranged at one end of the machining module, a discharging module is arranged at the other end of the machining module, and the multi-angle cutting laser pipe cutting machine further comprises a cutting assembly connected with the machining module and used for cutting pipes; the device has the advantages that flexible adjustment of the position of the focus lens is achieved through cooperation of air cylinder driving and telescopic spring buffering, focus requirements of pipes with different thicknesses are met, flexible connection of a cooling channel is achieved through the telescopic pipe, continuous and stable heat dissipation of the focus lens is guaranteed, and the service life of the lens is prolonged; the electromagnetically-driven rotating cylinder drives the turbine blades to rotate to form negative-pressure airflow, an air curtain is formed at the cutting end, metal residues and dust are prevented from being diffused to the focus lens and the lens cone, a physical isolation barrier is formed through the protection sleeve, impurities are prevented from being attached to equipment parts or blocking a pipeline, long-term stable operation of equipment is guaranteed, and diffusion of the equipment to the working environment is reduced.

The invention relates to the technical field of stainless steel pneumatic cylinder barrels, and particularly discloses a wear-resistant stainless steel pipe for a pneumatic cylinder barrel and a preparation process thereof.The wear-resistant stainless steel pipe for the pneumatic cylinder barrel comprises the steps that firstly, a powder metallurgy method is adopted, tungsten carbide, cerium oxide, chromium nitride and other components are added into stainless steel powder, and the performance of a steel pipe base body is enhanced; the corrosion-resistant alloy layer is deposited on the surface of the steel pipe, so that the corrosion resistance, wear resistance and other properties of the steel pipe are enhanced, finally, a silicon nitride wear-resistant ceramic layer is sintered on the surface of the corrosion-resistant coating, and two lubricants of graphite and molybdenum sulfide are synthesized in gaps and holes of the wear-resistant ceramic layer. The defects on the ceramic surface are blocked; and the ceramic coating is endowed with a self-lubricating function.

The utility model relates to the technical field of detection equipment, in particular to air tightness detection equipment of an FTU box body. Comprising a base, four guide supports arranged on the base, a fixing seat arranged on the guide supports, a sealing cover arranged on the base, a telescopic air cylinder arranged on the fixing seat, a vacuum opening formed in the base, an air pressure detection hole formed in the base and a sealing clamping groove formed in the upper end face of the base. The sealing piece is arranged on the upper end face of the base and comprises a sealing block fixedly arranged on the base, a deformation opening formed in the middle of the upper end of the sealing block, two sealing end bodies formed on the sealing block and two concave open grooves formed in the left end face and the right end face of the sealing block. And the other block body also can provide a sealing effect, so that a tiny leakage gap is not easy to form on a sealing interface, and the measurement result of the air tightness is not easy to influence.

The utility model belongs to the technical field of forging part surface oxide layer cleaning, and particularly relates to a metal forging oxide skin cleaning device which comprises a base. Two pneumatic cylinders are installed on the base, pneumatic rods are assembled at the acting ends of the two pneumatic cylinders, fixing plates are fixedly connected to the top ends of the two pneumatic rods, a shell is fixedly connected between the two fixing plates, a rotating shaft is rotatably installed in the shell, a rotating cylinder is sleeved on the rotating shaft, a first motor is installed on the side wall of the shell, and a second motor is installed on the side wall of the shell. The output end of the first motor is connected with one end of a rotating shaft, and four mounting seats are fixed on the circumferential surface of the rotating cylinder; when the device is used, the polishing and cleaning wheel can be conveniently and rapidly replaced, the working efficiency is greatly improved, the distance between the two conveying carrier rollers can be adjusted according to needs, the conveying and cleaning requirements of different forged steel columns are met, and the use range of the device is greatly widened.

The utility model belongs to the technical field of cable recovery, and particularly relates to a wire stripping device which comprises a base. A supporting frame is fixedly connected to the base, a pneumatic cylinder is mounted on the supporting frame, a pneumatic rod is assembled at the acting end of the pneumatic cylinder, a mounting frame is fixedly connected to the bottom end of the pneumatic rod, a cutter is rotationally mounted in the mounting frame in a matched mode through a rotating shaft, and a motor is mounted on the side wall of the mounting frame. The output end of the motor is connected with one end of the rotating shaft, two fixing seats are fixedly connected to the mounting frame, scrapers are hinged to the two fixing seats, and the two scrapers are located on the two sides of the cutter respectively; according to the utility model, in the cutting and stripping process, the spring is arranged, so that the scraper plate is always contacted with the cutter, thereby being capable of scraping off the sizing material adhered to the surface of the cutter, ensuring the sharpness of the cutting blade, further being capable of better cutting and stripping the cable, and greatly improving the stripping effect.

The utility model relates to the field of steel drum printing, and discloses an automatic steel drum printing system which comprises a conveying frame, an opening searching positioning assembly, a printing assembly and an overturning assembly, a lifting workbench is arranged in the conveying frame, the conveying frame is provided with a mounting frame, and the printing assembly is arranged at one end of the mounting frame. The printing assembly comprises a guide rail, a printing frame, a first driving piece and two sets of printing pieces, the guide rail is arranged at one end of the mounting frame, the printing frame is arranged in the mounting frame, the printing frame is provided with a first printing area and a second printing area, the two sets of printing pieces are arranged at one end of the guide rail, and each printing piece comprises a sliding block, a second driving piece, a connecting block, an air cylinder and a scraping plate; the second driving piece is arranged between the sliding block and the guide rail, the connecting block is arranged at one end of the sliding block, the air cylinder is arranged at one end of the connecting block, and the scraper is arranged at the output end of the air cylinder. The copywriting of the first printing area and the copywriting of the second printing area are printed on the same axial direction of the steel drum through the two sets of printing pieces, the printing procedures of the steel drum are reduced, and the printing efficiency of the steel drum is improved.

The utility model relates to the field of film laminating machines, and discloses a temperature laminating and baking film laminating machine which comprises a supporting base, a conveying belt mounted on the supporting base, a heating box, a mounting frame, a film winding drum and a slitting assembly, wherein the heating box and the mounting frame are mounted on the supporting base, and the film winding drum and the slitting assembly are mounted on the mounting frame. Air cylinders are installed on the front side and the rear side of the inner wall of the heating box correspondingly, and the output ends of the air cylinders are provided with material guiding assemblies extending out of the heating box. The hot-pressing device has the following advantages and effects that when a film-coated material enters the heating box to be subjected to hot pressing, the driving assembly is started to drive the hot-pressing assembly to move front and back, the film-coated materials with different widths can be subjected to hot pressing, meanwhile, the adjusting assembly is used for adjusting the distance from the lower surface of the hot-pressing assembly to the upper surface of the film-coated material, and the hot-pressing efficiency is improved. And the hot pressing assembly can be tightly attached to the laminated materials with different thicknesses to conduct hot pressing on the laminated materials, laminating and hot pressing can be conveniently conducted on the materials with different sizes, and the applicability is higher.

The invention provides a hydrodynamic actuator which comprises a piston cylinder, a piston, a piston rod for connecting the piston and the outside of the piston cylinder, and a cylindrical piston cylinder sleeve, the piston cylinder sleeve is connected to the outer side of the piston cylinder in a sleeving mode from the first piston cylinder end cover. A sealing piece matched with the inner wall of the piston cylinder sleeve is arranged on the outer wall of the piston cylinder and / or the first piston cylinder end cover; the piston rod penetrates through the first piston cylinder end cover of the piston cylinder and is fixedly connected with the bottom of the piston cylinder sleeve; a first driving fluid cavity is formed between the piston and the first piston cylinder end cover; a second driving fluid cavity is formed between the first piston cylinder end cover and the piston cylinder sleeve; a fluid rotation cavity is formed between the piston and the second piston cylinder end cover. The technical scheme can be widely applied to the field of force transmission components such as hydraulic cylinders and pneumatic cylinders.

The utility model belongs to the technical field of hydraulic engineering, and discloses a pipeline cleaning device for hydraulic engineering, which comprises a vertical plate, a round block is movably sleeved in the top end of the vertical plate, and a cross rod is fixedly sleeved in the round block. According to the pipeline cleaning device, the moving block, the first hinge rod, the cleaning brush and the second hinge rod are arranged, an operator inserts the cross rod into a pipeline, the pipeline and the cross rod are kept on the same axis, then the first pneumatic cylinder is started, the first pneumatic cylinder can drive the moving block to move leftwards, and therefore the first hinge rod can push the cleaning brush outwards; a first hinge rod is matched with a second hinge rod, so that a cleaning brush can move outwards while keeping horizontal so as to be attached to the inner walls of pipelines of different sizes, then an operator starts a first motor, a circular shaft drives a transverse rod to rotate, and therefore the cleaning brush can clean the pipelines of different sizes; and the use of operators is facilitated.

The utility model discloses a PCBA (Printed Circuit Board Assembly) burning jig, and relates to the technical field of PCBA burning. The clamping unit is arranged on the outer surface of the machining table and used for clamping; and the burning unit is arranged on the outer surface of the machining table and used for burning, and the clamping unit comprises a driving assembly arranged on the outer surface of the machining table. Through mutual cooperation of the driving motor, the limiting guide rail, the lead screw, the limiting sliding rod, the clamping support, the fixing bolt, the pneumatic air cylinder and the rubber clamping block, the position of the burning board can be conveniently adjusted according to requirements, and therefore the burning board can be conveniently clamped and fixed, and the position of the burning board can be adjusted according to requirements; according to the PCBA burning jig, the fixing plate, the first hydraulic cylinder, the limiting groove body, the moving plate, the second hydraulic cylinder, the telescopic limiting rod, the mounting bracket, the burner and the burning probe are matched with one another, so that the position of the burning probe can be conveniently adjusted according to requirements, a burning plate can be conveniently burnt, and the practicability of the PCBA burning jig is improved.

The utility model relates to the technical field of hub machining, and discloses an automobile hub welding tool which comprises an installation base and clamping rods, a plurality of through holes are evenly distributed in the top end of the installation base in the circumferential direction in an array mode, the clamping rods penetrate through the through holes in a sliding mode, and the installation base is connected with a rotating assembly capable of driving the installation base to rotate. A driving cavity is formed in the mounting base, a telescopic air cylinder is arranged in the middle of the driving cavity, a plurality of hinge rods are hinged to the power end of the telescopic air cylinder in the circumferential direction, the other ends of the hinge rods are hinged to the bottom ends of clamping rods, and pressing rods are hinged to the top ends of the clamping rods; the clamping rod is provided with a limiting assembly capable of driving the pressing rod to conduct limiting and pressing on the inner end face of the outer eave of the automobile hub. Compared with the prior art, the tool has the advantages that the circumferential direction and the inner side of the end face of the hub can be conveniently limited, the limiting stability is improved, and the machining precision is improved.

The utility model discloses an asphalt mixture rut sample forming machine which comprises a carrying box body, a supporting frame fixedly connected to the carrying box body, a controller fixedly connected to the front end of the supporting frame, a test trolley located at the upper end of the carrying box body and located below the supporting frame, and a sample disc detachably connected to the test trolley. The upper end of the supporting frame is fixedly connected with an air cylinder. The output end of the air cylinder is detachably connected with a connecting frame. The lower end of the connecting frame is detachably connected with a grinding wheel; and the connecting frame is rotationally connected with a cleaning part for cleaning the lower surface of the runner wheel. Compared with the prior art, the cleaning device has the advantages that by arranging the cleaning scraper, after the rocking rod is rocked, the cleaning scraper moves along the radian direction of the lower surface of the runner wheel under the support of the connecting rod, so that the asphalt mixture adhered to the lower surface of the runner wheel is cleaned, and a heat insulation material is wound on the rocking rod, so that a worker is prevented from being scalded; the cleaning efficiency is improved, and the test completion time is shortened.

The utility model discloses an automobile instrument desk installation assisting arm which is characterized in that the automobile instrument desk installation assisting arm comprises a suspension arm, a vertical rotating arm and a transverse overturning arm, the suspension arm is transversely arranged, the vertical rotating arm is vertically arranged, the upper end of the vertical rotating arm is rotationally connected to one end of the suspension arm, the transverse overturning arm is transversely arranged, and the lower end of the transverse overturning arm is rotationally connected to the other end of the suspension arm. One end of the transverse overturning arm is rotationally connected to the lower end of the vertical rotating arm, the other end of the transverse overturning arm is connected with a balance arm, a first holding arm is fixedly arranged at one end of the balance arm, a second holding arm is arranged at the other end of the balance arm in a sliding mode, and positioning pins are arranged on the opposite faces of the first holding arm and the second holding arm. The balance arm is further provided with a side pressing block which is driven by a guide rod air cylinder. The automobile instrument desk assembling tool has the advantages that the structure is simple, operation is convenient, labor-saving assembling of an automobile instrument desk is achieved, assembling efficiency is improved, and labor intensity of workers is reduced.

The utility model relates to the technical field of shoveling machines, in particular to a shoveling machine which comprises a machine table box, a shoveling mechanism is fixedly connected to the center of the top of the machine table box, a reciprocating lead screw is rotatably connected to the center of the bottom of the inner wall of the machine table box, and guide levers are fixedly connected to the two sides of the bottom of the inner wall of the machine table box. And the outer walls of the two guide levers are jointly connected with a sliding seat in a sliding manner. The device has the advantages that the reciprocating lead screw rotates to drive the sliding seat to slide left and right in a reciprocating manner, so that the collecting box is driven to slide left and right in a reciprocating manner, the position of materials discharged by the shoveling mechanism and the corresponding position of the collecting box are continuously changed in a reciprocating manner, and discharged impurities enter the collecting box more uniformly; and the lifting height of the supporting frame is controlled through the two telescopic air cylinders, so that the height of the portion, protruding out of the top face of the supporting frame, of the shoveling cutter wheel is controlled, the shoveling thickness is adjusted, and the use shape is improved.

The application discloses a hot-pressing device and method for LCD liquid crystal display screen production, which comprises a base, a support arranged on the base, a pneumatic cylinder arranged above the support, a connecting element connected to the output end of the pneumatic cylinder and penetrating through the upper surface of the support, a hot-pressing element connected to the lower portion of the connecting element, a heat preservation module and a heat dissipation module arranged in the hot-pressing element, a plurality of blind grooves arranged in a ring shape and formed in the lower surface of the hot-pressing element, a plurality of springs arranged in the blind grooves, a heat preservation frame fixedly connected to the lower end of each spring, a shaft rod arranged on one side of the heat preservation frame, a heat preservation film wound on the shaft rod, a film rod fixedly connected to the movable end of the heat preservation film and penetrating through one side of the heat preservation frame, and a connecting line connected to the two ends of the film rod. The device solves the problem that the current hot-pressing device cannot reasonably control the heat preservation and heat dissipation of the hot-pressing plate.

The utility model relates to the technical field of molds, and discloses a plastic part injection mold which comprises a bottom plate, the top of the bottom plate is fixedly connected with a U-shaped frame, the top of the U-shaped frame is provided with two hydraulic rods, the bottom ends of the hydraulic rods are fixedly connected with an upper mold, the top of the bottom plate is provided with a switching assembly, and the switching assembly comprises a concentric-square-shaped frame and two lower molds. The right side of the concentric-square-shaped frame is fixedly connected with an air cylinder, and supporting plates are fixedly connected to the four corners of the bottom of the concentric-square-shaped frame. By arranging the rotating assembly, in the moving process of the concentric-square-shaped frame, one end of the abutting rod can abut against the surface of the vertical plate firstly, so that the movable toothed plate moves, the deflection gear deflects under the action of the movable toothed plate, the supporting rod on the lower mold is subjected to the action of the deflection gear, the lower mold rotates by a half circle, and then the threaded rod is rotated; and the connecting cylinder drives the lifting plate to move in the vertical direction, so that the lifting plate pushes out formed materials, and the materials are taken down more conveniently.

Pneumatic articles that include a moveable component with a coated surface are described. The coated surface can include a surface coating including an alloy layer that includes molybdenum or tungsten in combination with one or more other materials. Pneumatic cylinders and pneumatic devices are also described.

The utility model discloses a space-adjustable part clamping device, which relates to the technical field of mechanical part processing and comprises a case body, a workbench horizontally arranged on the case body, insertion blocks symmetrically arranged above the middle of the workbench in a sliding manner, second clamping blocks arranged on the insertion blocks, and movable seats symmetrically arranged on the workbench and used for getting close to each other or getting away from each other. A cylinder is arranged on the side portion of the second supporting seat, the telescopic shaft end of the cylinder is connected with the side portion of a movable plate, the movable plate is connected with a third supporting seat, and a first clamping block is arranged on the side portion of the third supporting seat. According to the space-adjustable part clamping device, the two first clamping blocks close to each other are used for conducting center positioning and clamping on cylindrical or shaft parts with large sizes, the insertion block and the second clamping block are arranged, the relative position of the insertion block on the workbench can be adjusted, and therefore the space-adjustable part clamping device can adapt to parts with different diameters or sizes.

The utility model belongs to the technical field of metal drum production equipment, and particularly relates to a metal drum cap screwing device which comprises a screwing mechanism, the screwing mechanism comprises a base, an installation frame is connected to the base in a sliding mode, the installation frame comprises a beam, an installation plate is connected to the beam in a sliding mode, and an installation base is connected to the installation plate in a sliding mode. A first motor and a first rotating shaft are vertically and fixedly connected to the mounting base, a driving gear is fixedly connected to an output shaft of the first motor, a driven gear is fixedly connected to the first rotating shaft, the driving gear is meshed and matched with the driven gear, and a pneumatic clamping jaw is fixedly connected to the bottom of the first rotating shaft; and a visual detection assembly is fixedly mounted on the mounting seat. By arranging the visual detection assembly, the position of a barrel opening can be accurately recognized and positioned, by arranging the first motor and the first air cylinder, after the pneumatic clamping jaw clamps a barrel cover, the position is gradually lowered while the pneumatic clamping jaw rotates, and then the barrel cover can be screwed into the barrel opening.

The invention discloses a waterproof formwork grabbing mechanical arm based on visual correction, and relates to the technical field of mechanical arm application, the waterproof formwork grabbing mechanical arm comprises two driving arms, a camera and a supporting arm, the supporting arm is connected with a seventh mounting frame, a transmission assembly is arranged in the seventh mounting frame, the transmission assembly drives two clamping frames, and the clamping frames are connected with the camera. The two clamping frames are internally provided with position adjusting assemblies, the position adjusting assemblies are connected with a second fixing frame, the second fixing frame is internally provided with a pneumatic cylinder, a third telescopic rod and two first telescopic pipes, and a hollow frame is fixedly connected between the pneumatic cylinder and the piston end of the third telescopic rod; the multiple sprayers spray water to wash most positions of the side, clamping the waterproof formwork, of the clamping frame, the maintenance work of the clamping frame is rapidly completed, the clamping piece has the functions of waterproof formwork clamping, bottom supporting, supporting position adjusting, self-cleaning and the like, and the economic benefits of application of the formwork grabbing mechanical arm are guaranteed.

The utility model relates to the field of medical auxiliary instruments, in particular to a turning-over and transferring auxiliary device for an anesthetic patient. The utility model provides an anesthetic patient turning-over and transferring auxiliary device which can assist medical staff in transferring a patient, save manpower, reduce the working intensity of the medical staff and reduce interference to the patient. An anesthesia patient turning-over and transferring auxiliary device comprises universal wheels, a base, pneumatic cylinders and the like, the left universal wheel and the right universal wheel are rotationally connected to the lower sides of the front portion and the rear portion of the base, and the pneumatic cylinders are connected to the upper sides of the front portion and the rear portion of the base. An electric push rod is started, a supporting plate is pushed to move, a second baffle is inserted into the body of a patient, the patient is moved to the supporting plate, then the electric push rod is started, the supporting plate is reset, the patient is transferred to a sickbed, medical workers can be assisted in transferring the patient, manpower is saved, and the working intensity of the medical workers is reduced; and the interference on the patient is reduced.

The utility model discloses a kind of refractory furnace burden grinding equipment, belong to refractory furnace burden processing technical field, including grinding box, the support column is equipped in grinding box bottom, the feed hopper is installed in grinding box top, buffering cavity and grinding cavity are equipped in grinding box interior, buffering cavity is located in grinding cavity upside, feed hopper is connected with buffering cavity interior, buffering cavity interior is equipped with buffer inclined plate;Buffering cavity is communicated with grinding cavity by feed channel;Grinding cavity interior is equipped with grinding roller, support plate, support slide rail;By setting buffering cavity, buffering effect can be played, prevent a large number of caking refractory furnace burden from impacting to grinding roller, cause damage to grinding roller;Refractory furnace burden is passed to grinding roller surface by feed channel downwards, two driving motors make two grinding rollers rotate oppositely, refractory furnace burden is ground, and by setting connecting plate in the moving part of pneumatic cylinder, connecting plate can be continuously resisted on grinding roller surface, refractory furnace burden adhered to grinding roller surface is cleaned.

The utility model belongs to the technical field of stirrers, and discloses a spiral heating stirrer which comprises a base, two supporting plates are fixedly mounted on the left side and the right side of the top end of the base respectively, circular shafts are movably connected to the top ends of the two supporting plates in a sleeved mode respectively, the number of the circular shafts is two, and the top ends of the two circular shafts are movably connected with the base respectively. And stirring tanks are fixedly mounted between the two circular shafts. By arranging the circular shaft, the turntable, the short rod, the long rod and the movable block, when the pneumatic cylinder is started, the movable block drives the bottom end of the long rod to move along the inner surface of the base, so that the top end of the long rod generates thrust on the short rod to push the short rod to drive the turntable and the circular shaft to rotate by taking the circular shaft as the axis; further, the stirring tank is driven by the circular shaft to rotate together, so that the stirring tank can be inclined, the height of the sealing cover is reduced, and an operator can open the sealing cover to check whether the sealing cover is cleaned or not without climbing to a high position.

The invention provides air pressure type folding fitness equipment which comprises a main body fixing frame, a top connecting frame and a bottom connecting frame are fixedly connected to the main body fixing frame, a stool fixing frame is fixedly connected to the side face of the main body fixing frame, and a movable folding stool component is movably connected to the stool fixing frame. An upper limb training component and a weight bearing component are connected to the top connecting frame, the weight bearing component comprises a training pneumatic cylinder, the upper limb training component comprises a main transmission assembly and a secondary transmission assembly, an upper limb training assembly is connected to the secondary transmission assembly, and the upper limb training assembly is connected with a training grip. According to the upper limb training assembly, multi-section adjustment of upper limb training is achieved, the position of a training grip and the training movement track can be flexibly adjusted according to training needs, the requirement of personalized training is met, stepless adjustment of output resistance of a pneumatic cylinder can be achieved, a movable folding stool component can be turned upwards when the upper limb training assembly is not used, and the space occupied by the device is greatly reduced; and the family fitness space is saved.

The utility model discloses a kind of piercing connector wire harness presss from both sides and uses conveying structure, it includes fixedly connected in the operating platform of press joint machine surface: the top of the operating platform is fixedly connected with fixed seat, the top of the fixed seat is fixedly connected with synchronous belt conveyor.The utility model places connector terminal in the top of synchronous belt conveyor, makes the output shaft of motor drive bidirectional screw rod rotation, so that bidirectional screw rod drives moving plate to do relative motion and limit connector terminal, make synchronous belt conveyor deliver connector terminal to the top of press joint platform, then make the output end of pneumatic cylinder pass fixed block and promote connector terminal, then pass wire harness groove seat and place in connector terminal groove, then make the press joint of press joint machine downward motion and press joint wire harness with connector terminal, it can reach that connector terminal can be delivered to the below of press joint of press joint machine, to reduce labor intensity and the purpose of improving production safety.

The utility model discloses a filter bag automatic sewing production line front end roll-up device which comprises a base, the upper surface of the base is fixedly connected with a frame, and roll-up structures are symmetrically arranged on the side walls of the frame. When a filter bag is rolled up, the rolling up structure is arranged for rolling up, the height of the supporting rod can be easily changed through pulling of the air cylinder, so that the height of the filter bag roll is adjusted, the rotating shaft structure is arranged to be matched with the rolling up structure, and the filter bag roll is pulled more smoothly through auxiliary rotation of a ball and a groove rotating shaft; due to the fact that the height of the filter bag is adjusted, the flatness and the position accuracy of the filter bag can be guaranteed, the follow-up sewing and machining process is facilitated, the time of manual bag feeding can be shortened, the preparatory work and the sewing process of the filter bag can be separated through front-end rolling, and the production process is clearer and easy to manage.

The utility model discloses a positioning device for knitted fabric printing, which relates to the technical field of fabric printing and comprises a bottom plate and two vertical plates, the two vertical plates are fixedly arranged on two sides of the upper surface of the bottom plate, a cross beam is fixedly arranged between the upper ends of the two vertical plates, a sliding sleeve is movably sleeved on the rod wall of the cross beam, and the sliding sleeve is movably sleeved on the rod wall of the cross beam. An air cylinder is fixedly arranged on the lower side of the sliding sleeve, a printing plate is fixedly connected to the tail end of a piston rod of the air cylinder, scale marks are printed on the front side of the cross beam, a lead screw is arranged on the upper side of the cross beam, the two ends of the lead screw are rotationally connected with the corresponding vertical plates respectively, and arc-shaped plates abut against the two sides of the lead screw. The side, close to the lead screw, of the arc-shaped plate is provided with an internal thread, and the internal thread is matched with an external thread of the lead screw. And a U-shaped plate is fixedly arranged on the upper side of the sliding sleeve. According to the printing device, the printing plate can be efficiently and accurately moved, and the printing position can be conveniently and rapidly positioned.

The utility model relates to paper product processing equipment field discloses a paper core correction device, including the hopper, the hopper outside fixedly connected with the lifting rotary conveyer, the lifting rotary conveyer is away from the one end fixedly connected with the conveyer belt of hopper, the conveyer belt outside fixedly connected with the drive arrangement, the hopper inside is provided with the paper core, the paper core bottom slidingly connected with paper core table, paper core table outside fixedly connected with the conveying device, paper core table outside fixedly connected with the fixed link, the fixed link outside slidingly connected with two fixed clamping blocks, the fixed clamping block bottom abuts with the fixed plate. In the utility model, the paper core in the hopper is controlled by the baffle controlled by the pneumatic cylinder, so that the angle of the paper core on the paper core table is kept, the paper core cannot be guaranteed to roll in the direction due to factors such as free rolling and equipment inertia are avoided, and the effect that the rolling direction of the paper core is controlled is realized.

A socket lid for a semiconductor test socket which uses a plurality of pneumatic cylinders integrated into the socket lid to facilitate the application of a controlled and variable force to multiple zones of an electronic circuit device carried by the test socket. The socket lid includes a cylinder casing with multiple independently sealed pressure chambers, each of which incorporates a plurality a pneumatic cylinders which bear against separate and independently movable compression plates that engage different areas of the electronic circuit device carried by the semiconductor test socket, thus providing an adjustably variable force to multiple zones of the electronic circuit device under test.

The utility model discloses an automatic magnetizer for a motor rotor, which comprises a feeding and sorting mechanism and a synchronous magnetizing mechanism, a transfer mechanism is arranged on the inner side of the middle part of the feeding and sorting mechanism, the synchronous magnetizing mechanism and a detection mechanism are arranged between the feeding and sorting mechanism and the transfer mechanism, the detection mechanism is positioned behind the synchronous magnetizing mechanism, and the synchronous magnetizing mechanism is connected with the synchronous magnetizing mechanism. The feeding and sorting mechanism comprises a mounting box, a feeding guide plate is fixedly mounted at the front end of the upper end face of the mounting box, four guide grooves are fixedly mounted at the rear end of the upper end face of the mounting box, sorting air cylinders are rotationally connected to the lower end faces of the guide grooves, and movable sorting grooves are mounted at the output ends of the sorting air cylinders. The synchronous magnetizing mechanism comprises two supporting division bars, and the two supporting division bars are fixedly connected with the mounting box. By automatically transferring, magnetizing, detecting and sorting the motor rotor, the magnetizing efficiency of the motor rotor can be effectively improved, and the quality of the motor rotor can be sorted.