2293 results about "Cylinder.air" 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 a polyurethane carrier roller press-fitting device and a working method thereof.The polyurethane carrier roller press-fitting device comprises a base, a supporting mechanism and press-fitting mechanisms, the supporting mechanism is installed in the middle of the top side of the base, the press-fitting mechanisms are slidably installed at the two ends of the top side of the base, the supporting mechanism comprises a supporting frame, and two supporting roller seats are slidably installed on the top side of the supporting frame; first pneumatic cylinders are installed at the two ends of the supporting frame, and supporting shaft seats provided with V-shaped grooves are installed at the telescopic ends of the first pneumatic cylinders. Through three core technologies of modular adjustment, automatic press fitting and dynamic lubrication cleaning, the problems of low efficiency, poor precision, uneven lubrication and the like in traditional carrier roller assembly are solved, the device is particularly suitable for production scenes of high-precision and large-batch polyurethane carrier rollers, and the comprehensive performance reaches the industry leading level.

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 invention discloses a sensor clamping mechanism and a mutual inductor crimping fault detection device and method, and relates to the technical field of mutual inductor detection. In a project verification process of an existing voltage-withstanding table and an error table, abnormal conditions such as inclination of a mutual inductor body, inaccurate tray positioning, abnormity of a magnetic switch, air leakage of an air cylinder air pipe and the like occur, so that a terminal stud of a test table cannot be in contact with a secondary side terminal of a mutual inductor to be tested; and detection interruption or false detection of a corresponding mutual inductor exists, so that the verification efficiency is reduced. According to the frame body, the measuring rod, the elastic piece and the sensor, the sensor can detect the relative displacement between the measuring rod and the frame body, if the relative displacement is within a normal range, the terminal stud is in successful crimping contact, and if the relative displacement exceeds the normal displacement range, the terminal stud has a crimping fault. Therefore, the system judges that the wiring terminal of the to-be-detected mutual inductor is failed in crimping with the wiring end, automatically identifies the crimping fault of the wiring end, and improves the operation efficiency of an assembly line.

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 present invention discloses a patch device for semiconductor chip processing, which relates to the field of semiconductor chip processing, including a workbench and a bracket, a material box is installed on the workbench, a bracket is fixed on the workbench, and a gluing mechanism is fixed on the bracket. The patch device for semiconductor chip processing adopts an automatic gluing structure, which can realize the continuous automatic gluing of the chip. Specifically, the positioning plate is driven downward by the first cylinder. When the positioning plate is fitted with the chip, the first cylinder continues to extend, and the barrel and the gluing plate can be moved in cooperation with the action of the connecting rod and the slider, thereby realizing the automatic gluing action. In the gluing process, the piston, the cylinder, the air inlet check valve and the air outlet check valve on the cylinder are cooperated to allow the cylinder air to enter the barrel. By increasing the internal air pressure of the barrel, the glue inside the barrel can be more easily discharged, thereby ensuring the normal gluing.

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 invention discloses auxiliary mechanical arm welding equipment for a high-rise building steel structure, and relates to the technical field of welding, the auxiliary mechanical arm welding equipment comprises an operation structure, and a position fixing mechanical arm and a welding mechanical arm are arranged at the two ends of the operation structure correspondingly; the welding mechanical arm comprises a double-shaft pneumatic cylinder installed on an operation structure, two guide rail pieces connected with the two piston ends of the double-shaft pneumatic cylinder, two missing gears slidably connected with the interiors of the two guide rail pieces, and a multi-direction welding assembly installed in one missing gear. The welding mechanical arm composed of the two guide rail pieces, the two missing gears, the multi-direction welding assembly, the double-shaft pneumatic cylinder and other structures is matched with ground equipment, welding work of steel structures of various shapes can be automatically completed, the high-altitude construction difficulty of workers is reduced, and potential safety hazards of high-altitude steel structure welding construction are reduced.

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 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 present invention relates to a full-automatic wire harness crimping machine for automobile wire harness connection, comprising a base frame and a support plate, the support plate being installed on the base frame, and a straightening mechanism used for straightening wire harnesses having different wire diameters and a wire harness treatment mechanism used for stripping and slitting wire harnesses having different wire diameters being installed on the support plate; a material moving mechanism, a terminal vibration disc used for discharging terminals and a terminal discharging device are installed on the base frame; a crimping mechanism used for crimping terminals and wire harnesses is installed in the base frame. A first pneumatic cylinder operates to drive a lifting / lowering plate to ascend and descend, and then drive a shaft sleeve to ascend and descend along a polygonal shaft, so as to adjust the position of a straightening wheel; at the moment, wires pass through a first wire tube, the straightening wheel and a second wire tube, a first motor operates to drive a driving gear to rotate, and transmission gears are driven to rotate by means of meshing transmission between the gears, so as to enable the shaft sleeve and the straightening wheel to rotate; and at the moment, the straightening mechanism completes straightening and conveying of wires having different wire diameters.

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.

To provide a fully automatic wire harness crimping machine for connecting automotive wire harnesses.SOLUTION: A fully automatic wire harness crimping machine includes a frame and a support plate. The support plate is mounted on the frame, a straightening mechanism for straightening wire harnesses with different wire diameters and a wire harness processing mechanism for stripping and cutting sheaths of wire harnesses with different wire diameters are mounted on the support plate, a transfer mechanism, and a terminal vibrating bowl and terminal feeder for supplying terminals are mounted on the frame, and a crimping mechanism for crimping the terminals and the wire harnesses is attached inside the frame. A first pneumatic cylinder is operated to raise and lower a raising / lowering plate, thereby raising and lowering a bush along a polygonal axis, and adjusting the position of a straightening wheel. At this time an electric wire is passed through a first wire tube, the straightening wheel, and a second wire tube, a drive gear is rotated by the operation of a first motor, and a transmission gear is rotated by meshing transmission between gears to achieve the rotation of the bush and the straightening wheel, and at this time the straightening and transport of electric wires with different wire diameters are completed by the straightening mechanism.SELECTED DRAWING: Figure 1

The invention relates to a train braking system and method. The train braking system comprises a controller, an auxiliary air cylinder, a braking cylinder, a pneumatic control valve and an electric pneumatic control valve. The electric pneumatic control valve comprises a switching valve and an isolating valve; the pneumatic control valve comprises a main valve and a local reduction chamber, the local reduction chamber is connected with the main valve through a local reduction chamber air path, and the isolating valve is arranged on the local reduction chamber air path; the auxiliary air cylinder is connected with the switching valve through a first auxiliary air cylinder air channel and a second auxiliary air cylinder air channel. The brake cylinder is connected with the switching valve through a brake cylinder gas circuit; the controller controls the opening and closing of the isolating valve and the switching valve to switch the gas path; the electric pneumatic control valve and the main valve are arranged on the first auxiliary air cylinder air channel and the second auxiliary air cylinder air channel respectively, and the switching valve is used for conducting exclusive switching on the conduction state between the first auxiliary air cylinder air channel and the brake cylinder air channel and the conduction state between the second auxiliary air cylinder air channel and the brake cylinder air channel. The electric control and gas circuit switching strategy and the dynamic isolation protection strategy are additionally arranged, so that the electro-pneumatic hybrid braking system is quick in response, and active fault tolerance of system faults is achieved.

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 discloses a high-frequency electromagnetic valve, and belongs to the field of electromagnetic valves. Comprising a control module, an electromagnetic coil assembly and a valve body module, the control module is electrically connected with the electromagnetic coil assembly, the valve body module comprises an air cylinder body and a movable push rod, the movable push rod is in magnetic attraction connection with the electromagnetic coil assembly, an air cylinder air inlet is formed in one side of the air cylinder body, and a first air outlet and a second air outlet are formed in the other side; the air cylinder air inlet is formed between the first air outlet and the second air outlet; the movable push rod is movably arranged in the air cylinder body and can achieve sealing between the air inlet of the air cylinder and the first air outlet or the second air outlet through movement. Therefore, the air source can be switched between the first air outlet and the second air outlet, and stable control of the air source is achieved. Meanwhile, the air inlet of the air cylinder is formed in the opposite side of the first air outlet and the second air outlet and located between the first air outlet and the second air outlet, and the moving stroke of the movable push rod can be shortened.

The invention belongs to the technical field of gravel crushing and transporting equipment. The bulk material car loader comprises a caterpillar band chassis, a feeding conveying mechanism capable of adjusting the height is arranged on the caterpillar band chassis, a driving part is arranged between the caterpillar band chassis and the feeding conveying mechanism, and the driving part is used for adjusting the height of the feeding conveying mechanism; the driving piece is a telescopic supporting piece, and the telescopic supporting piece adopts a hydraulic cylinder or an air cylinder; a material taking and conveying mechanism is arranged at the feeding end of the feeding and conveying mechanism, and a material taking driving part is arranged between the material taking and conveying mechanism and the feeding and conveying mechanism and used for driving the material taking and conveying mechanism to move relatively on the feeding and conveying mechanism; in the loading process, material taking can be completed only by pushing the material taking combination to advance, so that the walking chassis does not need to move in the loading process, and the advantages that a goods transporting vehicle does not need to move, and the material taking combination can complete the material taking action with small energy consumption are achieved.

The utility model discloses an integral quick exhaust valve for a pneumatic cylinder. The integral quick exhaust valve comprises a valve body, a three-way valve core and a diaphragm, the three-way valve core is fixed in an inner cavity of the valve body; one end face of the valve body is provided with an air inlet corresponding to the first through hole of the three-way valve element, the other end face is provided with an exhaust port corresponding to the second through hole of the three-way valve element, and the side wall is provided with an air outlet corresponding to the third through hole of the three-way valve element. The diaphragm is slidably connected into a core body of the three-way valve core, and the diaphragm can slide along the inner wall of the three-way valve core through the pressure difference between the air inlet and the air outlet so as to switch and seal the first through hole or the second through hole. The cavity corresponding to the exhaust port and the valve body are of an integrated structure, in the replacement process of the silencer, the problem that the sealing performance between the cavity corresponding to the exhaust port and the valve body is reduced cannot occur, the exhaust effect of the silencer is guaranteed, integrated forming is achieved, and material waste and manufacturing cost are reduced.

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 relates to the technical field of connecting wire harness production, in particular to an automobile connecting wire harness terminal welding device which comprises a bottom plate used for supporting. The utility model has the advantages that the die seat is arranged, the top end of the die seat provides placement positions for a plurality of metal terminals, the pneumatic cylinder is arranged, the sliding frame is arranged at the output end of the pneumatic cylinder, and the pressing assembly, the solder wire conveying assembly and the plurality of hollow solder tips are sequentially arranged on the bottom surface of the sliding frame, so that the metal terminals can be fixed through the extension action of the pneumatic cylinder; the bottom ends of the plurality of hollow soldering bits press a metal terminal, meanwhile, the two driving motors are powered on to drive the plurality of guide rollers to rotate, a tin wire is conveyed into the plurality of hollow soldering bits, and then the tin wire is heated to be melted and enters the connecting position of the terminal and a wire harness, and then the pneumatic cylinder is shortened to move. The welding operation of the terminal and the wire harness is completed, the whole structure is simple, the operation is convenient and fast, and the welding efficiency is greatly improved.

The utility model relates to the technical field of valves, and particularly discloses a pneumatic high-flow corrugated pipeline valve which comprises a power assembly and a valve body assembly, and the power assembly is fixedly connected to the valve body assembly. The power assembly comprises an air cylinder cover, large springs, small springs, first screws, first nuts, flat washers, first O-shaped rings, second O-shaped rings, an air cylinder body, second nuts and a piston, the air cylinder cover is fixedly connected to the air cylinder body through the first screws, and the multiple large springs and the multiple small springs are arranged between the air cylinder cover and the piston. The large springs and the small springs are fixedly connected between the air cylinder cover and the piston, the second O-shaped rings are symmetrically arranged, and the two second O-shaped rings are fixedly connected to the two sides of the piston. The multiple springs can assist the pneumatic cylinder in controlling opening and closing of the valve, energy consumption is reduced, pressure can be effectively divided by the multiple springs, the loss degree of a single spring is reduced, and the service life of the whole valve is prolonged.

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.

A test bench (100) for mechanical testing of a subperiosteal implant (810), wherein the subperiosteal implant (810) is provided with at least one superstructure, the test bench (100) comprising: a machine frame (200), a mandibular model (800) to which a subperiosteal implant (810) is fixable, and at least one force measuring unit (700) that is connected at one end to a load-bearing plate (710) fixed to the machine frame (200) and can be releasably connected at its other end to at least one test location (P) of the subperiosteal implant (810) for force measurement. The test bench (100) is characterised by further comprising a first shaft (613) that is rotatably connected to the machine frame (200) via at least a first bearing (612) such that it defines a first rotational axis (614), a second shaft (623) that is rotatably connected to the machine frame (200) via at least a second bearing (622) such that it defines a second rotational axis (624), wherein the mandibular model (800) is attached to the first shaft (613) and to the second shaft (623) at two, first and second, mandible head portions (801, 802) thereof for rotation about the first rotational axis (614) and the second rotational axis (624), at least one control and command unit (300) that is mounted on the machine frame (200) and has at least two, first and second, pneumatic cylinders (400, 500) provided with a first and a second piston rod (410, 510), wherein the at least two, first and second, pneumatic cylinders (400, 500) are arranged above the mandibular model (800), and wherein the control and command unit (300) is in operative connection with the first and second pneumatic cylinders (400, 500) such that it is able to exert a force of a given magnitude on the first and second piston rods (410, 510) to move them in a vertical direction, at least two, first and second, displacement measuring units (460, 560) mounted on the first and second pneumatic cylinders (400, 500) such that they are able to measure the vertical-direction displacement of the first and second piston rods (410, 510) of the first and second pneumatic cylinders (400, 500); at least two, first and second, resilient members (450, 550) with a strap-like configuration that are connected to the respective lower ends of each of the first and second piston rods (410, 510) by means of a first and a second connection member (430, 530) such that the first and second resilient members (450, 550) support the mandibular model (800) by forming a loop around both sides thereof; wherein the at least one, first and second resilient members (450, 550) are operatively connected to the control and command unit (300) by way of being connected to the first and second piston rods (410, 510), and thus they are able to apply a tensile load to the mandibular model (800). The method according to the invention is carried out applying a system according to the invention.

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 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.