131results about How to "No falling phenomenon" patented technology

The invention relates to a magnetic attraction type glass cleaner. According to the technical scheme of the invention, a glass wiper comprises an lengthening rod (1), an internal wiper body (2), an external wiper body (3) and a manual spraying barrel (4), wherein an water outlet of the manual spraying barrel (4) is connected with the external wiper body (3) through a flexible pipe. An external side face of an internal wiper body interlayer (13) is provided with 3-10 first magnetic substances (6), 2-10 first rollers (10), internal wiper body wiping cloth (9), 2-10 second rollers (8), 3-10 second magnetic substances (6) and an internal wiper body scraping plate (5) in sequence from top to bottom; the external side face of an external wiper body interlayer (36) is provided with 3-10 third magnetic substances (34), 2-10 third rollers (33), a strip-shaped groove (30), external wiper body wiping cloth (29), a fourth roller (28), a fourth magnetic substance (26) and an external wiper body scraping plate (25) in sequence from top to bottom, wherein the trip-shaped groove (30) is provided with a spraying control device (32) and 1-7 atomizing nozzles (31). The magnetic attraction type glasscleaner is convenient to use, and the wiper bodies cannot drop easily; and the magnetic attraction type glass cleaner has excellent scrubbing effect, and is suitable for scrubbing glass with different cambered surfaces.

The invention discloses a compression spring type electric power grounding line operation rod which is used for solving the problems that the operation rod is difficult to separate form a grounding line conductor end, and a grounding line clip is damaged easily. The operation rod comprises a rod head and a rod body, wherein the lower haft part of the rod head is sheathed in the rod body and is fixedly assembled with the rod body by a rod head fixing screw, a spring type closed structure is fixedly arranged at the outer wall of the upper half part of the rod head, and an automatic grounding line conductor end separating mechanism is arranged in the rod head. The operation rod has the advantages of being safe and reliable, convenient to operate, and free from damage of a circuit; and by using the operation rod, when the grounding line is hung and detached, the time and the effort can be saved, and the working efficiency can be greatly improved on the base of ensuring the personal safety of constructors.

The invention relates to a lifting device for construction. The lifting device comprises a support frame, a fixed plate, a first support plate, a hydraulic cylinder and a slide rod; the support frame and the fixed plate form an integral structure; the fixed plate is respectively welded with a support base and a safety base; the first support plate is fixed on the support frame; a windlass is fixedly mounted on the first support plate, and is provided with a steel wire rope; the steel wire rope is bonded with a movable pulley; two ends of the movable pulley are movably connected with the support frame; a piston rod is arranged on the hydraulic cylinder; a second support plate and a positioning rod form an integral structure through a fixed piece; the fixed piece penetrates through a chute; the positioning rod penetrates through the safety base; and the slide rod penetrates through a lifting plate. The lifting device for construction is provided with the windlass and the hydraulic cylinder; and a mode of combining the windlass traction with the hydraulic cylinder lifting is adopted as a lifting mode of the device, so that the safety is higher, and the lifting effect is excellent.

The invention discloses a multifunctional support. The multifunctional support is characterized by comprising a gravity base, a telescopic rod, a ball universal joint, a front-end aluminum-alloy pipe, a middle-section aluminum-alloy pipe, a tail-end aluminum-alloy pipe, a powerful vacuum sucking disc, an annular elastic anti-loosening rope, a USB power supply input interface with a rubber dust-proof cover, a multifunctional USB power supply interface and a power line. The multifunctional support is greatly better than an existing tablet personal computer support in the market in stability, practicability and convenience and can be sucked onto other small tablet electric appliances through the powerful vacuum sucking disc to achieve function expansion.

The invention discloses a smart home projector lifting device which comprises a supporting base. A containing plate is arranged at the top of the supporting base, and a projector body is fixedly connected to the top of the containing plate, sliding rails are symmetrically and fixedly connected to the bottom of the inner wall of the supporting base, a sliding block is in sliding connection to the tops of the sliding rails, a first fixing block is fixedly connected to the top of the sliding block, and a connecting rod is movably connected to the top of the first fixing block. According to the smart home projector lifting device, the supporting base, the containing plate, the projector body, the sliding rail, the sliding block, the first fixing block, the connecting rod, a supporting column, a connecting sleeve, a second fixing block, an installing plate, a motor, a winding wheel, a connecting block, a rope and a controller are used in cooperation, and the problem that when an existing smart home projector is used, lifting cannot be achieved is solved; the smart home projector lifting device has the beneficial effect of being liftable; and labor force of a user is reduced, and use by the user is facilitated.

The invention relates to a horizontal movement type continuous electrolytic method of lead in a regenerative lead-containing material and the method uses the lead-containing paste in waste lead acid storage batteries and the lead-containing paste generated in the production process of the lead acid storage batteries as raw material to perform electrolytic regeneration. In the electrolytic process, alkaline electrolyte is used, a cathode and an anode are arranged in a horizontal manner, the lead-containing paste to be treated is filled in a cathode disk to perform continuous horizontal movements; and the lead-containing paste is reduced to obtain lead and realize the continuous electrolytic regeneration of lead. The invention also provides a horizontal movement type continuous electrolytic device of lead in the regenerative lead-containing material. By adopting the method and device of the invention, the continuous production can be realized, the gas lock effect can be avoided or greatly reduced, the current distribution of the cathode and the anode can be improved, the cell voltage can be improved and the production efficiency can be effectively increased.

The invention discloses an unmanned aerial vehicle stable in operation and convenient for carrying an auricle in the technical field of unmanned aerial vehicles. The unmanned aerial vehicle comprisesan unmanned aerial vehicle body; wings are arranged on outer walls on the four sides of the unmanned aerial vehicle body; a supporting column is arranged at the bottom of the unmanned aerial vehicle body; telescopic supports are arranged on outer walls on the left side and the right side of the supporting column; a buffer spring is arranged at the bottom of the supporting column; a hanging plate is connected with the bottom of the buffer spring; a buffer rod is movably arranged at one end, far away from the outer wall of the supporting column, of each of the telescopic supports through a connecting shaft; a telescopic spring is arranged at one end, close to the outer wall of each of the telescopic supports, of the buffer rod, and the other end of the telescopic spring is connected with theouter wall of the corresponding telescopic support; a supporting plate is arranged at the bottom of each of the telescopic supports. The unmanned aerial vehicle disclosed by the invention has the beneficial effects that the shaking amplitude of the article during transportation is reduced, and the falling-off phenomenon cannot appear; the unmanned aerial vehicle is more smoothly landed, the article can be smoothly landed, the messy phenomenon cannot appear inside the article, and the quality when the unmanned aerial vehicle carries the article is ensured.

The invention discloses a punching device capable of being clamped automatically used for producing lithium batteries. The punching device comprises a loading box; a punching device body is fixedly connected with the rear side of the top of the loading box; and a worktable is arranged on the front side of the punching device body. According to the punching device capable of being clamped automatically used for producing the lithium batteries, by cooperative using of the loading box, the punching device body, the worktable, a supporting plate, an installing plate, a slide rail, a first sliding block, a fixing block, a first connecting rod, a second connecting rod, an opening, a sliding rod, a sliding sleeve, a positioning rod, a pressing block, a division plate, an air cylinder, a first gear plate, a fixing rod, a gear, a second gear plate and a supporting rod, the problem that workpieces to be machined cannot be automatically fixed and clamped during using of an existing punching device is solved; and the punching device capable of being clamped automatically used for producing the lithium batteries has the advantage of automatic clamping, and the fact that working efficiency of a user is reduced due to continuous hand supporting of the user is avoided.

The invention discloses a method for dissipating charges on the end face of a cover tape, which is used in the process of producing the electronic parts for the electronic carrier tapes and the covertapes. The cover tape comprises an upper surface layer, an intermediate layer and a heat sealing layer from top to bottom in sequence. The heat sealing layer can be bonded with a carrier tape. When bonding is carried out, first antistatic agents are coated on the upper surface of the upper surface layer, the end faces at both sides of the cover tape and the lower surface of the heat sealing layer,so that the end faces of the cover tape, the upper surface of the upper surface layer and the lower surface of the heat sealing layer are connected to form a whole antistatic layer. In the previous method, when static electricity appears, the static electricity generated above can only be dissipated by the upper surface layer and the static electricity generated below can only be dissipated by the lower surface layer. The method of the invention is characterized by dissipating the static electricity as a whole due to upper and lower connection, doubling the dissipation speed and further ensuring the uniformity of the bonding strength of the cover tape and the carrier tape, and effectively improves the adhesiveness and antistatic property, which can not be reached by the previous method.

The invention discloses a film taking structure for an intelligent bag disassembling system. The film taking structure comprises a top film taking assembly and a bottom film taking assembly. The top film taking assembly comprises a film sucking mechanism and a top film clamping mechanism. The bottom film taking assembly comprises a bottom film clamping mechanism, a bottom film adsorbing mechanismarranged on a film cutting platform, and a jacking mechanism arranged on the film cutting platform. The top film clamping mechanism comprises a pneumatic assembly which is provided with a clamping claw. According to the film taking structure, when a top film and a bottom film are clamped, the top film or the bottom film can be clamped firmly, and the phenomenon of falling of the top film or the bottom film is avoided. The top film clamping mechanism and the bottom film clamping mechanism are arranged on one side of a conveying track, and compared with the prior art, the film taking structure is more attractive. The production efficiency is high, and the film taking structure is applicable to automation and assembly line production. The film taking structure is applied to the technical field of pharmaceutical production equipment.

The invention discloses an angle-adjustable atomizer for garden irrigation. The atomizer comprises a base, wherein a bearing and a motor are successively and firmly connected on the bottom of the base inner wall from left to right; an output end of the motor is sleeved by a first belt wheel; a spindle is firmly connected to the top part of the bearing; and the surface of the rotation shaft is sleeved by a second belt wheel. According to the invention, through setting and cooperative use of the base, the bearing, the motor, the first belt wheel, the spindle, the second belt wheel, a belt, a supporting plate, an atomizer body, a placement plate, a fixation base, a slide rail, an air cylinder, a slide block, a connecting plate, a first fixation block, a connecting rod and a second fixation block, the problems of existing atomizers that the atomizer shall be lifted up by a user during use for angle adjustment, and the angle cannot be adjusted automatically can be solved; and the angle-adjustable atomizer for the garden irrigation has the advantage of automatic angle adjustment; labor effort in use is saved; the user's use becomes convenient; and thus practicability of the atomizer is enhanced.

The invention discloses a mechanical logistics feeder capable of stacking and feeding goods at different heights. The mechanical logistics feeder comprises a feeder body, a base, a storage plate, a connecting plate, a second conveyor belt, a stop plate, a first conveyor belt, a guard rail, a handrail, a brake box, a power control panel, a hydraulic rod, a rubber pad, a hydraulic pump, a hydraulicoil tank, a roller, a piston seat, a second electric electric telescopic rod, a piston groove, a first electric telescopic rod, a connecting rod, a waiting plate, a first roller box, a first gear box,a first motor box, a second gear box, a second motor box, balls, a second roller box, ball grooves and hinges. The mechanical logistics feeder is high in flexibility, quick in feeding and stable in structure, prevents the goods from dropping in a conveying process, guarantees the safety of people, can convey the goods to any height of a carriage, brings convenience for a worker to stack, saves manpower and the stacking time, brings convenience for people to use, and is simple in structure and convenient to popularize.

The invention provides a drying device capable of turning over for processing traditional Chinese medicine decoction pieces, and relates to the technical field of traditional Chinese medicinal material production. A turnover motor is fixed to the right side of a box body, an output shaft of the left side of the turnover motor penetrates through the right side wall of the box body and is arranged in the box body, a rotating shaft is fixed on the output shaft, and a placing frame is fixed at the other end of the rotating shaft; and a screen is embedded in the placing frame, a supporting shaft isfixed to the left side of the placing frame, the supporting shaft is rotatably arranged in the box body through a bearing, the supporting shaft and the rotating shaft are arranged on the same axis, apressing device is arranged on the upper side of the placing frame, and a drying device is arranged on the lower side of the placing frame. By driving a heating plate to move back and forth, medicinal materials are uniformly dried, when the medicinal materials are dried, the medicinal materials can be driven to be turned over, and the drying quality and efficiency are improved.

The invention provides a wooden floorboard conveying device and relates to the technical field of floorboard conveying machines. The wooden floorboard conveying device comprises a fixing mechanism. The fixing mechanism comprises a retractable bottom plate, auxiliary plates arranged on two sides of the retractable bottom plate and used for limiting floorboards, and an area-variable bearing part used for holding the floorboards, and the bearing part is fixedly connected with an elastic part fixedly arranged on the retractable bottom plate. A retractable mechanism used for pushing the floorboardsis further included and comprises a retractable frame and an elastic block which is fixedly arranged at the end of the retractable frame. The floorboards can be rapidly conveyed to a machining region, the safety of the whole conveying process is high, the phenomenon that the floorboards fall off cannot occur, and continuous conveying of the floorboards is achieved. The retractable bottom plate and the area-variable bearing part can broaden the using range of the conveying device, the conveying device is suitable for the floorboards in different sizes, and the elastic part and the retractablemechanism can achieve successive conveying of the floorboards.

The invention discloses a toothbrush. The toothbrush comprises a brush head and a handle, and is characterized in that a toothpaste storage bin, a quantitative pushing device and a squeezing plate arearranged in the handle, a toothpaste channel is formed in the brush head, a one-way rubber valve is arranged at the root of each brush of the brush head and makes the brush head communicated with theoutside from the root of the brush, one end of the toothpaste channel is communicated with the toothpaste storage bin, the other end of the toothpaste channel is communicated with the one-way rubbervalves, the quantitative pushing device is in linkage with the squeezing plate, and the squeezing plate is arranged in the toothpaste storage bin. When the quantitative pushing device drives the squeezing plate to move, the squeezing plate squeezes toothpaste in the toothpaste storage bin, and the toothpaste enters the toothpaste channel and then is squeezed out along the brushes from the one-wayrubber valves.

The invention discloses a textile machinery bobbin clamping device. The textile machinery bobbin clamping device comprises a bobbin. A clamping jaw is arranged at the top of the bobbin. Sliding blocksare movably connected with the two sides of the top of the clamping jaw. The sides, away from the clamping jaw, of the sliding blocks are fixedly connected with fixing rods. The ends, away from the sliding blocks, of the fixing rods are fixedly connected through a lifting threaded sleeve. A lead screw matched with the lifting threaded sleeve is connected and sleeved with the lifting threaded sleeve. The end, penetrating through the lifting threaded sleeve, of the lead screw is movably connected with a connecting block. The other end of the lead screw is movably connected with the bottom of asupporting frame. The two ends of the connecting block are movably connected with supporting rods. The ends, away from the connecting block, of the supporting rods are movably connected with the top of the clamping jaw. Two supporting plates are fixedly connected with the top of the connecting block. The textile machinery bobbin clamping device can clamp the bobbin stably, the phenomenon that thebobbin falls down in the clamping process is avoided, operation is simple and convenient, the textile machinery bobbin clamping device is suitable for being operated by more populations, and the production efficiency of textile machinery is greatly improved.

The invention discloses material plate feeding and discharging equipment which comprises a cuboid-shaped supporting board, a feeding unit, a conveying device and a discharging unit. The conveying device is arranged on the upper portion of the front end face of the supporting board, the feeding unit is arranged on the lower-left portion of the front end face of the supporting board, and the discharging unit is arranged on the lower-right portion of the front end face of the supporting board. A horizontal sliding groove with the narrow front portion and the wide rear portion is formed in the upper portion of the front end face of the supporting board, and the cross section of the horizontal sliding groove is in a laterally-lying-T shape. The conveying device comprises a rectangular sliding supporting block and a connecting board which is in a laterally-lying-L shape; the sliding supporting block is arranged on the rear portion of the horizontal sliding groove in a left-right sliding mode; a vertical part of the connecting board is arranged on the front end face of the sliding supporting block in rising and falling modes; and a guiding block is formed on the left side of the upper side wall of the front portion of the horizontal sliding groove, and a guiding plate drives the vertical part of the connecting plate to rise and fall. According to the material plate feeding and discharging equipment, material plate feeding and discharging are conducted at a time, so that the working efficiency is improved; and meanwhile, material plates do not fall off in the device conveying process, and thus the conveying quality is improved.

The invention discloses an air pressure adsorption type power adapter, which comprises an adapter body, an opening is arranged at the bottom end of the inner cavity of the adapter body, a suction cup is arranged at the lower end of the motion chamber, and the top end of the motion chamber is connected to the adapter body. The top end of the inner chamber of the adapter body is connected, the side wall of the adapter body is provided with an L-shaped motion slideway, the lower end of the inner chamber of the motion chamber is provided with a piston, and the first support rod runs through the lower end of the transmission column. Function, so that when the user uses the power adapter, it can be fixed by the negative pressure generated inside, so that it will not fall off, so that the service life of the power adapter is improved to a certain extent, and the invention can make the power adapter It does not affect the use of electrical appliances when being involved, and has a certain protective effect on electrical appliances. The invention can conveniently fix its own position through the adjustment of air pressure, and has strong practicability.

The invention discloses a boat trailer of an automatic centering structure. The boat trailer comprises a trailer frame, wheels, load-bearing rolling wheel devices, guide rolling wheel devices, a V-shaped guide plate and an uplifting wheel, and the V-shaped guide plate is located at the tail of the trailer. The trailer frame comprises a side frame and a supporting frame. The load-bearing rolling wheel devices and the guide rolling wheel devices are all fixed to the two ends of the supporting frame through supporting rods and all comprise swing arm mechanisms. Each swing arm mechanism comprises a swing arm and supporting wheels. The two ends of each swing arm are provided with supporting shafts. The supporting wheels are pivoted to the supporting shafts. The swing arms are pivoted to load-bearing beams or guide beams through pivots in a swing mode. Conical surfaces are arranged at the two ends of through holes of the supporting wheels. The V-shaped guide plate is arranged between the two guide rolling wheel devices. The uplifting wheel is located in the middle of the V-shaped guide plate. A boat can be automatically centered when transported on the trailer, sea waves and other external influence factors are avoided, and later-period correction is not needed; and in addition, the supporting wheels on the swing arms can cater to the inclined plane of the bottom of the boat, and enough support is given to the boat.

The invention relates to a dustbin, which comprises a dustbin body. The dustbin is characterized in that the interior of the dustbin body is provided with an inner bracket, the inner bracket consists of a plurality of elastic vertical rods and a plurality of transverse press strips, the elastic vertical rods are fixedly connected with the bottom end of the inner bracket, the transverse press strips are respectively and fixedly arranged at the upper ends of the elastic vertical rods, the shape of each transverse press strip corresponds to the shape of the inner cavity of the dustbin body, and the transverse press strips are attached on the inner wall of the dustbin body. The dustbin has the beneficial effects that after a large plastic bag coats all the transverse press strips, the excessive part of the plastic bag is extruded into the dustbin through elastic force, a small plastic bag only coats one part of transverse press strips, and an opening or a lift handle of the plastic bag can also be pressed into the dustbin, so a plurality of plastic bags different in sizes can coat the dustbin; the plastic bags can more stably coat the dustbin, so the falling of the plastic bags loaded with garbage is avoided; by adopting the inner bracket structure, the plastic bag cannot be exposed out of the dustbin, so the appearance is attractive.

The invention discloses a woven cloth cutting table convenient to move. The woven cloth cutting table convenient to move comprises a placing plate of which the bottom is symmetrically and fixedly connected with supporting plates. The bottom of the placing plate is symmetrically and fixedly connected with fixing plates of which the right surfaces are movably connected with fixed rods through sliding rods. Sliding grooves matched with the sliding rods in use are formed in the right surfaces of the fixing plates. According to the woven cloth cutting table convenient to move, the placing plate, the supporting plates, the fixing plates, the sliding rods, the fixed rods, rollers, positioning rods, hollow columns, fixing blocks, connection plates, clamping blocks, positioning plates, positioning blocks and first springs are arranged to be used cooperatively, so that the problem is addressed that an existing cutting table in use needs to be lifted to move by more than one person when needing to be moved. The woven cloth cutting table convenient to move has the advantage of being convenient to move. The labor of users is reduced, so that the users are able to move the cutting table independently, therefore, the cutting table is convenient for the users to use, and the practicality of the cutting table is improved.

The invention discloses an automatic cover folding and carton sealing machine, and relates to the technical field of cartons. Key points of the technical scheme of the carton sealing machine are as follows: the carton sealing machine is provided; wherein the stand columns are fixedly connected with the two sides of the outer portion of the working panel and extend in the Y-axis direction. Slidinggrooves are formed in the inner sides of the stand columns, movable moving rods are installed in the sliding grooves, a box sealing mechanism and an automatic cover folding mechanism symmetrically arranged with the box sealing mechanism are arranged on the moving rods and located in the middles of the stand columns, and a conveying mechanism with a conveying platform tightly connected with one side of the conveying platform is arranged on the upper end face of the working panel. And through the arrangement of the conveying mechanism, after box sealing is completed, the box body is conveyed outof the working panel through the conveying pipe. The device is provided with the extension plate, and the box body can be conveyed to the extension plate. And through protection of the baffle capableof being movably positioned, the phenomenon that the box body topples over and falls off is avoided, economic losses are effectively avoided, great convenience is brought to workers, and a large amount of working time is saved.

The invention discloses a sorting device for checking cargos. The sorting device structurally comprises an unloading oblique plate, a support frame, a sorting storage box, a stressed mechanism, a sorting tank, a sorting device body, an operation platform, a conveying belt and a to-be-sorted cargo plate, wherein the stressed mechanism is provided with a moving mechanism, a driving mechanism, a rackmechanism, a transmission mechanism, a symmetric mechanism, a starting mechanism, a linkage mechanism and a metal side frame. The sorting device has the beneficial effects that by arranging the stressed mechanism, two sides of a conveying belt can be supported by virtue of angle adjusting assemblies arranged on two sides of the stander, so that the conveying belt can work in a V manner, productsare well stored in the middle of the transmission belt, and the roll-down of the products is avoided; and meanwhile, the equipment is further provided with a pulling strip, a pulling force is generated through the cooperation between the pulling strip and a pulling arm, so that the V-form operation state of the conveying belt can be stably maintained, and the stability and working efficiency of the sorting device during the operation are improved.

The invention relates to the technical field of hot-press forming machines, in particular to a hot-press forming machine with automatically replaceable molds. The hot-press forming machine comprises amachine body, two air cylinders are symmetrically arranged at the lower ends of hydraulic cylinders, shells are connected to the air cylinders, two clamping hands are symmetrically arranged on the inner wall of each through groove through one rotating shaft, threaded blocks are arranged on the side walls of screw rods, connecting rods are connected with the outer walls of the threaded blocks in asleeving mode, and the other ends of the connecting rods are connected with slide blocks. According to the machine, the clamping hands can be controlled to clamp the molds through the screw rods, thethreaded blocks and the slide blocks, motors are used to drive the clamping hands, so that the stability is high, the clamping force is large, and the molds do not fall off; the hydraulic cylinders and the air cylinders are arranged to move the molds, so that the moving speed is high, and the stability is high; and moreover, through the two clamping hands arranged on the two sides of the machinebody, the molds can be fed and taken away at the same time, so that the time is saved, the working efficiency is greatly improved, and the practicability is high.

The invention provides a riveting and pressing device. The riveting and pressing device comprises an upper die mechanism and a lower die mechanism, wherein the upper die mechanism comprises a first positioning assembly and upper centers; the upper centers are fixedly arranged at the bottom of the first positioning assembly; the lower die mechanism comprises a second positioning assembly and lower centers; the second positioning assembly is provided with riveting and pressing holes extending in the height direction of the riveting and pressing device; the riveting and pressing holes are located under the upper centers; and the lower centers are installed in the riveting and pressing holes and movably arranged in the extension direction of the riveting and pressing holes. Compared with the mode that a front end cover and a back end cover of a motor are fixed through screws, stopper rings and other structures in the prior art, the cover combining process of a motor in the riveting and pressing device is simple in action, the labor intensity of workers is low, the installation process is simple, the phenomenon that screws, stopper rings and the like fall does not appear, the efficiency is high, and the production cost is low.

The invention discloses a connection structure applied between a bucket rod and an executive part of an excavator. The connection structure comprises the bucket rod, a rocker rod and a connecting rod.A first oil cylinder used for driving the swing of the rocker rod is arranged between the bucket rod and the rocker rod, a second oil cylinder is arranged between the bucket rod and the connecting rod, and the two ends of the second oil cylinder are hinged to the rod ends of the connecting rod and the bucket rod correspondingly through a third hinged shaft and a fourth hinged shaft. Clamping plates are arranged at the position, on both sides of the bucket rod, of the executive part, chutes are formed in the clamping plates, notches are formed in the chutes, and the length of the notches is greater than the minimum distance between the third hinged shaft and the fourth hinged shaft. The third hinged shaft and the fourth hinged shaft are separately ejected at both ends of the chutes. The connection structure can realize automatic operation, no labor manual operation is required, a good stability is achieved, damage is not prone to occurring, and the use cost is reduced.