30results about How to "Convenient horizontal rotation adjustment" patented technology

The invention discloses a spraying device for reflective heat-insulating heat-preservation paint for external wall heat-preservation boards. There is a loading platform, the inner bottom of the frame is provided with a driving motor, the upper part of the driving motor is provided with a driving shaft, the lower end of the driving shaft is connected with the upper part of the driving motor, and the upper end of the driving shaft is installed at the bottom of the loading table; The inner bottom is provided with a spraying shell, the lower part of the spraying shell is provided with a number of spraying pipes, the upper end of the spraying pipe is set on the spraying shell, and the lower end of the spraying tube is set above the stage; the end of the frame is provided with a spraying machine, The spraying machine is connected with the spraying shell, and a spraying control pump is arranged between the spraying machine and the spraying shell. The invention can conveniently spray the reflective heat-insulating and heat-preserving paint on the heat-insulating board of the outer wall, and the spraying operation efficiency is high.

The invention relates to a circuit board turn-clamping mounted type LED lamp, comprising a clamping plate disposed above a bottom plate. The bottom plate is provided with a guide pipe, a rotational adjusting pipe is nested in the guide pipe and is in threaded connection with the guide pipe, the clamping plate is provided with a rotating disc, the clamping plate is provided with a positioning post, a sleeve is arranged at the center of the rotating disc, the sleeve sleeves the outer periphery of the positioning post, the outer periphery of the rotating disc is provided with a plurality of LEDs, the edge of the rotating disc is provided with a circular thin-film circuit board, the LEDs are electrically connected with the thin-film circuit board, the clamping plate is provided with a solar battery module, the clamping plate is provided with a carrier plate, and the solar battery module is disposed on the carrier plate; the solar battery module is connected with the thin-film circuit board through an electric wire. A user may control and rotate the adjusting pipe to finish horizontal rotational adjustment along the guide pipe through an operating rod, thus facilitating the horizontal rotational adjustment of the clamping plate and providing more flexible adjustment.

The invention discloses a welding device for a bent part of a street lamp post head. The welding device comprises a bottom plate provided with a first guiding pipe. A first cyclophon is sleeved with the first guiding pipe. A fixing plate is arranged at the end portion of the first cyclophon. Side plates are arranged on the fixing plate. A guiding pipe is arranged between the end portions of the side plates and provided with a welding machine. The bottom plate is provided with a second guiding pipe. A second cyclophon is sleeved with the second guiding pipe. A lock piece is arranged on the inner side of the end portion of the second cyclophon. A lock rod is connected the end portion of the second cyclophon in an inserted manner and is in threaded connection with the second cyclophon. The outer end of the lock rod is a free end, and the inner end of the lock rod is connected with the lock piece. By means of the welding device, a street lamp post can be conveniently subjected to horizontal rotation and flexible adjustment, and the street lamp post head can be conveniently welded through the welding machine.

The invention discloses a rotation adjusting mechanism of network intelligent release terminal equipment. The rotation adjusting mechanism comprises a base. A guide pipe is arranged on the base. A rotating pipe is sleeved with the guide pipe. A carrying plate is arranged at the end of the rotating pipe and provided with the intelligent terminal equipment and a limiting plate. The face, facing inwards, of the limiting plate is provided with a lock piece, and the lock piece is arranged on the outer side wall of the intelligent terminal equipment. The limiting plate is connected with a lock rod in an insertion manner. The outer end of the lock rod is a free end, and the inner end of the lock rod is connected with the lock piece. By means of the rotation adjusting mechanism, the intelligent terminal device can be conveniently and horizontally rotated and adjusted, and the rotation adjusting flexibility is better.

The invention discloses a conduction instrument test marking device and a use method thereof.The conduction instrument test marking device comprises a conduction instrument body, a test board and two test flat cables, one end of each test flat cable is connected with the front side of the conduction instrument body, and the other end of each test flat cable is connected with the rear side of the conduction instrument body; the ends, away from the conduction instrument body, of the two testing flat cables are connected with the testing table, a control box and a bottom plate are fixedly installed at the top of the testing table, a stand column is fixedly installed at the top of the bottom plate, and a groove is formed in the top of the stand column. The wiring harness marking device is reasonable in design and good in practicability, can automatically mark a tested wiring harness, does not need manual marking of workers, saves time and labor, reduces the labor amount of the workers, does not generate a marking missing phenomenon, facilitates adjustment of the horizontal position and the height position of a marking pen, and improves the working efficiency. Wire harnesses of different sizes can be marked conveniently, and different positions on the wire harnesses can be marked conveniently according to needs.

The invention discloses a cigarette box silver card paper laser film transfer printing device. The cigarette box silver card paper laser film transfer printing device comprises a rack. A silver card paper unreeling roller and a driven roller are arranged on one side of the rack, the driven roller is arranged below the silver card paper unreeling roller, a silver card paper reeling roller and a driving roller are arranged on the other side of the rack, and the driving roller is arranged below the silver card paper reeling roller. A conveying belt is wound around the part between the driven roller and the driving roller. The rack is provided with a laser film unreeling roller, a laser film reeling roller, a tensioning roller and a pressure roller, all of which are sequentially connected, thetensioning roller is arranged above the first supporting roller, and the pressure roller is arranged above the second supporting roller. The laser film reeling roller is arranged on a movable frame.A rotation motor is arranged on the outer side of the movable frame, and a rotation shaft of the rotation motor is connected with the end portion of the laser film reeling roller. By means of the cigarette box silver card paper laser film transfer printing device, laser gloss of a laser film can be arranged on cigarette box silver card paper through transfer printing, the cigarette box silver cardpaper brightness is greatly improved, and the transfer printing operation efficiency is high.

The invention discloses a motor-driven solar panel rotary adjustment device, including a drive motor. The bottom of the drive motor is provided with a bottom seat. The end portion of the drive motor is provided with a top seat. A plurality of connection tubes are disposed between the top seat and the bottom seat. A drive shaft is disposed on the drive motor and penetrates through the top seat. A mounting frame is disposed above the drive motor. The bottom of the mounting frame is provided with a fixing plate. A buckle plate is disposed on the fixing plate. A fixing piece is disposed on the buckle plate. The bottom of the buckle plate is provided with a limiting tube. The limiting tube penetrates through the fixing plate. The fixing plate is slotted. The upper end of the drive shaft is disposed on the fixing plate and the buckle plate. Two sides of the end portion of the mounting frame are provided with buckle seats. Buckle grooves are disposed in the side, facing inward, of the buckle seats. The invention facilitates the fixing and mounting of a solar panel; the drive motor can control the drive shaft to achieve rotation, so as to facilitate the control of the mounting frame to achieve rotation, and to facilitate the horizontal rotation adjustment and horizontal rotary adjustment control of the solar panel.

The invention discloses a set-type spring wire brush debugging device, which comprises a bottom plate, an installation groove is arranged on the bottom plate, a first set shaft is arranged at the position of the installation groove, the first set shaft is vertically arranged, and the lower end of the first set shaft is set There is a first fixing tube, the first fixing tube is set on the bottom plate, the end of the first fixing tube is fitted with the first fastening tube; the bottom plate is provided with a second set shaft, and the lower end of the second set shaft is set with the second fixing tube tube, the second fixing tube is set on the bottom plate; the upper end of the second sleeve shaft is set with the second fastening tube, and the bottom plate is provided with a number of first limit caps, and the first limit caps are fixed on the bottom plate by the first fixing pins , the first limit cap is arranged on the outer wall of the first fixed pipe; the bottom plate is provided with a number of second limit caps, the second limit caps are fixed on the bottom plate by the second fixing pin, and the second limit cap is arranged on the second Two outer walls of the fixed pipe. The invention facilitates the horizontal rotation adjustment of the spring steel wire brush and facilitates the debugging of the spring steel wire brush.

The invention discloses a laser bird scarer regulation mechanism. The laser bird scarer regulation mechanism comprises four supporting legs, the supporting legs are arranged vertically, a holder is defined by the ends of four supporting legs, two parallel junction plates are arranged on the holder, a groove is arranged between the two parallel arranged junction plates, a driven cone gear is disposed on the holder, the driven cone gear is provided with an adjutage in the shaft center, the adjustage is vertically arranged and traverses the groove, an external screw thread is arranged in the lower end outer surface of the adjutage, a mounting plate is arranged on the end of adjutage, a mounting hole is positioned on the mounting plate, the mounting plate is arranged horizontally; a guide block is arranged on the holder, the inner direction of the guide block is provided with an active cone gear, the active cone gear is connected with the driven cone gear, the guide block is socketed with a coiled pipe, one end of the coiled pipe is connected with the active cone gear, the other end of the coiled pipe is provided with a shaking-pipe, the shaking-pipe is connected with the coiled pipe through a link block. The regulation mechanism is more flexible in controlling the laser bird scarer.

The invention discloses a thin film towing device for a film laminating machine. The thin film towing device comprises a baseplate, wherein a base is arranged on the baseplate; a rotating shaft is inserted in the top of the base; a rotating wheel is arranged at one end of the rotating shaft; a limited ring is arranged at the other end of the rotating shaft in a sleeving manner; an adjusting wheelis arranged on the peripheral surface of the rotating shaft in a sleeving manner; the limited ring is connected to the outer side of the adjusting wheel in a locking manner; a cam groove is formed inthe peripheral surface of the adjusting wheel; a fixed frame is arranged in front of the rotating shaft; a fixed column is arranged at one end of the fixed frame and is fixed at the position of the cam groove and on the peripheral surface of the adjusting wheel; a positioning shaft is arranged on the fixed frame; a towing mechanism is arranged on the positioning shaft in a sleeving manner and comprises an adjusting arm; one end of the adjusting arm is arranged on the peripheral surface of the positioning shaft in a sleeving manner; and a towing rod is arranged at the other end of the adjustingarm. The towing rod can be rotated conveniently and horizontally so as to be finely adjusted; the adjustment of the towing rod is relatively flexible; and a thin film can be flexibly towed through the towing rod.

The invention discloses a rotary drive device for LED lamp panel debugging, which comprises a fixed plate, a fixed ring is arranged at the middle position of the fixed plate, a positioning cylinder is set inside the fixed ring, and a rotating mechanism is arranged on the positioning cylinder. Including the turntable, the outer peripheral surface of the turntable is provided with a driving groove, the turntable is provided with a carrier, the carrier is provided with a loading plate, the two ends of the loading plate are provided with fixing bolts, and the bottom of the loading plate is There is a fixed plate, and the fixed plate is set on the turntable; there is a driving wheel on the fixed plate, and the drive wheel is installed on the fixed plate through the drive shaft, and a driving belt is arranged between the driving wheel and the turntable; the driving belt bypasses the driving slot ; The fixed plate is provided with a fixed box, the fixed box is provided with a mounting shaft, the mounting shaft sleeve is provided with a stabilizing roller, and the stabilizing roller is docked with the driving wheel. The driving wheel of the present invention can drive the turntable to realize rotation through the driving belt, so as to facilitate the horizontal rotation adjustment of the LED light board and facilitate the LED light board.

The invention discloses a reflector device for a turning blind area of a traffic curve. The reflector device comprises a base, a supporting frame is arranged on the base, and a positioning ring is arranged at the top of the supporting frame. A reflector is arranged at the position of the positioning ring, a positioning shaft is arranged on the positioning ring, and a coil pipe sleeves the peripheral surface of the positioning shaft and is installed on the back of the reflector. Positioning shells are arranged at one side of the supporting frame, clamping mechanisms are arranged on the positioning shells, and one side of the reflector is clamped in the clamping mechanisms. A supporting mechanism is arranged between the positioning shells and comprises a back frame, a supporting seat is arranged on the back of the reflector, and a magnetic attraction plate is arranged on the front face of the supporting seat and is fixed to the back of the reflector. A positioning pipe is arranged on theinward face of the back frame and sleeves an adjusting shaft, and the end of the adjusting shaft is connected with the back of the supporting base. According to the invention, the reflector can be flexibly adjusted, and the visibility of a curve turning blind area of a municipal road can be greatly improved through the reflector, so that the safety is greatly improved.

The invention discloses a stirring mechanism for an ink stirring cylinder. The stirring mechanism comprises an installation pipe, wherein the lower end of the installation pipe is provided with a stirring block, the peripheral surface of the stirring block is provided with a plurality of stirring strips, the stirring strip is provided with an opening groove, the bottom portion on the lower end of the installation pipe is provided with an installation block, the side walls of the installation block are provided with installation holes, a butting pipe is sleeved inside the upper end of the installation pipe, the lower end of the butting pipe is sleeved inside the upper end of the installation pipe, the upper end of the butting pipe is provided with a suspending ring, the suspending ring is provided with a sleeved installation pipe, the axial position of the sleeved installation pipe is provided with a sleeved installation groove, a protection spring is sleeved on the peripheral surfaces of the installation pipe and the butting pipe, the suspending ring is provided with a connection seat, and the sleeved installation pipe is arranged on the connection seat. According to the present invention, with the stirring mechanism, the installation pipe can be conveniently controlled to perform the horizontal rotation operation, and the stirring block and the stirring strips can conveniently perform the horizontal rotation adjustment; and through the stirring block and the stirring strips, the ink in the ink stirring cylinder can be conveniently and rapidly stirred.

The invention discloses a progressive device used for a metal surface paint sprayer. The progressive device used for the metal surface paint sprayer comprises a sliding adjusting base which is provided with a positioning groove, and a rotary adjusting plate; the bottom of the middle position of the rotary adjusting plate is provided with a rotary adjusting barrel which is installed in the positioning grooves; the front end of the rotary adjusting plate is provided with a fixing base which is provided with a fixing frame; an inserted connection shaft is inserted and connected to the end portionof the fixing frame; a progressive mechanism is arranged on the rotary adjusting plate, and comprises a side plate which is installed on the side portion of the rotary adjusting plate; the front sideof the side plate is provided with a first guide rail and a second guide rail; the rotary adjusting plate is provided with a pushing base; a pushing block is arranged on the rear portion of the pushing base, and installed on the second guide rail; a pushing shaft is arranged on the front portion of the pushing block, and penetrates the pushing base; a guiding pipe is arranged on the top of the fixing frame; the axial position of the guiding pipe is provided with a pushing rod; and the inner end of the pushing rod is connected with the end portion of the pushing shaft. According to the progressive device used for the metal surface paint sprayer, a metal pipe on the paint sprayer can pushed in a progressive manner through the pushing rod, and the paint sprayer can conveniently perform paintspraying operation on the surface of the metal pipe.

The invention discloses an end mill based shell breaking device for a plastic hollow polyhedron ball. The device comprises a bottom plate, wherein guide shafts are arranged on the bottom plate, a guide moving plate is arranged between the guide shafts in a sleeving manner, a top plate is arranged between end parts of the guide shafts, a guide seat is arranged in the middle of the top plate, a guide pipe is arranged in the middle of the guide moving plate, a coil is in inserted connection between the guide seat and the guide pipe, the lower end of the coil is a free end, and a hand wheel is arranged at the upper end of the coil; a base plate is arranged on the bottom plate, a positioning plate is arranged on the base plate, a positioning cavity is formed in the positioning plate, and a positioning hole is formed in the middle of the inner bottom of the positioning cavity; the lower end of the coil is arranged right above the positioning hole. According to the end mill based shell breaking device, an end mill can be conveniently controlled to be subjected to horizontal rotating adjustment, the plastic hollow polyhedron ball can be subjected to shell breaking by the end mill, and shell breaking efficiency is greatly improved.

The invention discloses an underwater LED rotating lamp. The underwater LED rotating lamp comprises a tube, wherein a transparent cover is arranged on the top part of the tube; an inner tube is mounted in the tube; a lamp plate is arranged at the inner top part of the inner tube; a plurality of LED lamps are arranged on the lamp plate; a battery is arranged at the inner bottom part of the inner tube and are electrically connected to the LED lamps; the tube is mounted on a gear mechanism; a driving mechanism is arranged at the upper part of the gear mechanism; the driving mechanism comprises adriving motor; a driving shaft is arranged at the lower part of the driving motor; the gear mechanism comprises a bottom plate on which a positioning tube is arranged; a driven gear sleeves the peripheral surface of the positioning tube; and the upper end of the positioning tube is mounted at the bottom part of the base. According to the underwater LED rotating lamp, the tube and the inner tube can be conveniently horizontally rotatably adjusted, so that the LED lamps can be horizontally rotatably adjusted, and as a result, the dynamic effect of rotatably adjusting and operating the LED rotating lamp can be greatly improved.

The invention discloses a spring brush rotation debugging device, which includes a locking mechanism, the locking mechanism includes a base, the lower part of the base is provided with a threaded column, the outer peripheral surface of the threaded column is covered with a sleeve, and the lower part of the sleeve is provided with a mounting The end of the base is provided with a fixed plate, the fixed plate is provided with an adjustment hole, one side of the fixed plate is provided with a first support column, the other side of the fixed plate is provided with a second support column, and the first support A mounting pipe is provided between the column and the end of the second supporting column, and the front part of the mounting pipe is provided with a clamping part, which is clamped with a fixing seat, a supporting foot is provided on the fixing seat, and a supporting foot is provided at the end of the supporting foot. The sleeve; the base is provided with a rotating wheel and a rotating shaft, the rotating wheel is set on the outer peripheral surface of the lower end of the rotating shaft, and the upper end of the rotating shaft passes through the adjusting hole. The invention facilitates the horizontal rotation adjustment of the spring brush; the downlight can be conveniently installed through the sleeve, thereby facilitating lighting and lighting observation of the spring brush.

The invention discloses a horizontal rotating control solar panel clamp connection device, which comprises a bracket, a positioning pipe is arranged on the bracket, the positioning pipe is arranged vertically, a rotary adjusting frame is arranged on the end of the positioning pipe, and the rotary adjusting frame is connected with the positioning pipe; the inner part of the rotary adjusting frame is provided with a mounting groove; two inner side walls of the rotary adjusting frame are provided with a plurality of clamping grooves; the rotary adjusting mechanism comprises a rotary adjusting shaft which is arranged in the positioning pipe, the lower end of the rotary adjusting shaft is provided with a second worm gear, a first worm gear is arranged in the inner part of the positioning tube,the first worm gear is butted to the second worm gear, the first worm gear is connected with a rotating shaft, the inner end of the rotating shaft is connected with the first worm gear, and the outerend of the rotating shaft is a free end; the rotary adjusting frame is arranged at the end position of the rotary adjusting shaft; and a fixing plate is sleeved on the end of the rotary adjusting shaft, and the rotary adjusting frame is arranged on the fixing plate. The horizontal rotating control solar panel clamp connection device is convenient for clamp connection and horizontal rotation adjustment of solar panels, and facilitates clamp connection and installation of solar panels.

The invention discloses a rotation-adjustable peep-proof display screen, which comprises a base, on which a guide tube is arranged, a rotating column is set inside the guiding tube, a rotating adjusting plate is arranged at the end of the rotating column, and a supporting block is arranged on the rotating adjusting plate , a display screen is arranged between the ends of the supporting blocks; the rotating column is provided with a rotation adjusting rod. The invention can rotate and adjust the rotation column by rotating the adjustment rod, and the rotation column can be adjusted horizontally along the guide tube, so as to facilitate the horizontal rotation adjustment of the rotation adjustment plate and the flexible rotation of the display screen.

The invention relates to a rotary-cut processing device for racks. The rotary-cut processing device for racks comprises a base. Supporting boards are arranged on the base. A guide board is arranged between the ends of the supporting boards. A rotary-cut motor is arranged on the guide board and provided with a drive shaft. A rotary-cut wheel is arranged at the end of the drive shaft. The base is provided with a guide pipe, and a rotary adjusting column is sleeved with the guide pipe. An object table is arranged at the end of the rotary adjusting column. The object table can be adjusted horizontally and rotationally along the guide pipe through the rotary adjusting column, so that racks on the object table are operated conveniently and flexibly; and the rotary-cut motor can rotate the rotary-cut wheel conveniently through the drive shaft, and rotary-cut processing can be conducted on racks conveniently through the rotary-cut wheel.

The invention discloses an adjustable item bank machine for variation exercises. The machine comprises a base, wherein a guide tube is arranged on the base, and a rotary tube is nested in the guide tube and in threaded connection with the guide tube; a rotary plate is mounted to the peripheral surface of an end part of the rotary tube in a sleeving manner, a guide shaft is arranged above the rotary plate, support blocks are arranged at two ends of the rotary plate, and fixing rods are arranged among the rotary plate, the guide shaft and the support blocks; a moving seat is arranged above the guide shaft and arranged on a moving plate, a slide tube is arranged at the bottom of the moving plate and nested to the peripheral surface of the guide shaft, and a variation exercise item bank machine body is arranged on the moving seat. Horizontal rotating adjustment of the rotary plate is convenient, and horizontal rotating adjustment of the variation exercise item bank machine body on the moving seat is convenient; the slide tube can be moved horizontally along the guide shaft for adjustment, so that the variation exercise item bank machine body is convenient to move horizontally for adjustment.

The invention discloses a sliding type operating lever of a print transmission plate. The sliding type operating lever comprises a slider, wherein the bottom of the slider is provided with a sliding groove, the slider is connected with a connecting plate, an operating mechanism is arranged on the connecting plate, the operating mechanism comprises a connecting seat, the connecting seat is mounted on the connecting plate, a mounting groove is formed in the connecting seat, the mounting groove is provided with a fixed block, the connecting seat is provided with a connecting piece, the connecting piece is connected with an operating handle, a fastening groove is formed in the slider, a fastening piece is arranged in the fastening groove, the fastening piece is arranged between the slider and the connecting plate, an inserting groove is formed in the fixed block, the inserting groove is provided with a pad, the fixed block is connected with the connecting seat through a lock pin, and the lock pin is inserted in the side wall of the connecting seat. According to the invention, the print transmission plate can be connected through the sliding groove, the slider is connected with the print transmission plate, and the operating handle can act on the print transmission plate through the connecting seat and the connecting plate, so that the print transmission plate can rotate, the horizontal rotating adjustment of the print transmission plate is facilitated, and the adaptability is greatly improved.

The invention relates to a circuit board turn-clamping mounted type LED lamp, comprising a clamping plate disposed above a bottom plate. The bottom plate is provided with a guide pipe, a rotational adjusting pipe is nested in the guide pipe and is in threaded connection with the guide pipe, the clamping plate is provided with a rotating disc, the clamping plate is provided with a positioning post, a sleeve is arranged at the center of the rotating disc, the sleeve sleeves the outer periphery of the positioning post, the outer periphery of the rotating disc is provided with a plurality of LEDs, the edge of the rotating disc is provided with a circular thin-film circuit board, the LEDs are electrically connected with the thin-film circuit board, the clamping plate is provided with a solar battery module, the clamping plate is provided with a carrier plate, and the solar battery module is disposed on the carrier plate; the solar battery module is connected with the thin-film circuit board through an electric wire. A user may control and rotate the adjusting pipe to finish horizontal rotational adjustment along the guide pipe through an operating rod, thus facilitating the horizontal rotational adjustment of the clamping plate and providing more flexible adjustment.

The invention discloses a liquid leakage recovery type agricultural fan-shaped nozzle rotary adjusting device. The device includes a fixing plate, wherein one end of the fixing plate is provided witha first fixing block, the other end of the fixing plate is provided with a second fixing block, the middle of the second fixing block is provided with a positioning groove, two sides of the fixing blocks are respectively provided with fixing grooves, a lower portion of the second fixing block is provided with a liquid drainage seat, the middle of the liquid drainage seat is provided with a positioning pipe, the positioning groove is inserted with a spiral column, a lower end of the spiral column is mounted in the positioning pipe, an upper end of the spiral column is provided with a cyclophon,the axial position of the cyclophon is provided with a mounting groove, two sides of the liquid drainage seat are provided with fixing pipes, fixing pins are arranged between the fixing pipes and thesecond fixing block, the fixing pins penetrate through the fixing grooves, the liquid drainage seat is internally provided with a liquid drainage groove, the bottom portion of the liquid drainage seat is provided with multiple liquid drainage holes, and the liquid drainage holes are communicated with the liquid drainage groove. The device is advantaged in that a fan-shaped nozzle can be conveniently horizontally turned and adjusted, and flexible water spraying of the farmland is facilitated.

The invention discloses a convenient-to-move rotary adjustment display screen for software technology development teaching. The screen comprises a base, a plurality of lightening holes are evenly formed in the base, universal wheels are fixedly installed at the four corners of the bottom face of the base through bolts, an adjusting plate is arranged on the base, a positioning cylinder is arrangedon the base, a rotary adjusting pipe is arranged at the bottom of the adjusting plate, the rotary adjusting pipe is sleeved with the end of the positioning cylinder, and the positioning cylinder is inthreaded connection with the rotary adjusting pipe. A mounting frame is arranged on the adjusting plate. A buckling frame is arranged on one side of the mounting frame. A positioning pipe is arrangedon the outer side of the buckle frame, a supporting shaft is arranged on one side of the adjusting plate, a first supporting column is arranged on one side of the base, a first limiting table is arranged at the end of the first supporting column, a second supporting column is arranged on the other side of the base, a second limiting table is arranged at the end of the second supporting column, and the adjusting plate is arranged on the first limiting table and the second limiting table. The curtain on the mounting frame can be horizontally rotated and adjusted conveniently, and software technology development and teaching can be facilitated through the curtain.

The invention discloses an adjustable variable exercise question bank machine, which comprises a base, wherein a guide pipe is arranged on the base; a spiral pipe sleeves in the guide pipe; the guidepipe gets into threaded connection to the rotary pipe; a rotary plate sleeves the outer circumferential surface of the end of the rotary pipe; a guide shaft is arranged at the upper side of the rotaryplate; supporting blocks are arranged at two ends of the rotary plate; fixed rods are arranged among the rotary plate, the guide shaft and the supporting blocks; a movable seat is arranged at the upper side of the guide shaft; the movable seat is arranged on a movable plate; a sliding pipe is arranged at the bottom of the movable plate; the sliding pipe sleeves the outer circumferential surface of the guide shaft; and a variable exercise question bank machine body is arranged on the movable seat. According to the adjustable variable exercise question bank machine provided by the invention, the rotary plate can be conveniently adjusted in a mode of horizontal rotation, so that the variable exercise question bank machine on the movable seat can be conveniently adjusted in a horizontal rotation mode; and the sliding pipe can be adjusted in a mode of doing horizontal moving along the guide shaft, so that the variable exercise question bank machine can be conveniently adjusted through horizontal moving.

The invention discloses an end mill based shell breaking device for a plastic hollow polyhedron ball. The device comprises a bottom plate, wherein guide shafts are arranged on the bottom plate, a guide moving plate is arranged between the guide shafts in a sleeving manner, a top plate is arranged between end parts of the guide shafts, a guide seat is arranged in the middle of the top plate, a guide pipe is arranged in the middle of the guide moving plate, a coil is in inserted connection between the guide seat and the guide pipe, the lower end of the coil is a free end, and a hand wheel is arranged at the upper end of the coil; a base plate is arranged on the bottom plate, a positioning plate is arranged on the base plate, a positioning cavity is formed in the positioning plate, and a positioning hole is formed in the middle of the inner bottom of the positioning cavity; the lower end of the coil is arranged right above the positioning hole. According to the end mill based shell breaking device, an end mill can be conveniently controlled to be subjected to horizontal rotating adjustment, the plastic hollow polyhedron ball can be subjected to shell breaking by the end mill, and shell breaking efficiency is greatly improved.

The invention discloses a cooling roll rotation and positioning device for bronzing machines, which includes a driving mechanism, the driving mechanism includes a base, the base is provided with a bottom case, the top of the base is provided with an installation case, and the top of the installation case is provided with a top plate, The side of the installation shell is provided with a drive motor, the top plate is provided with a top seat, the top seat is provided with a positioning plate, the inside of the installation shell is provided with a rotating shaft, the upper end of the rotating shaft passes through the axis center of the positioning plate, and the rotating shaft The lower end of the bottom shell is installed at the inner bottom of the bottom shell; the middle part of the rotating shaft is equipped with a gear, the front end of the driving motor is provided with a threaded shaft, and the threaded shaft and the rotating shaft are connected through thread engagement; the positioning plate is provided with a rotating disc, and the end of the rotating shaft The bottom part is installed on the bottom of the rotating disk; a rotating arm is arranged on the rotating disk, positioning cylinders are arranged on both sides of the end of the rotating arm, and an adjusting arm is connected to the end of the rotating arm. The positioning seat of the present invention can firmly position and install the two ends of the cooling roller through the positioning shell.