89results about How to "Stable and reliable delivery" patented technology

The invention discloses an etching machine, comprising a control system and a board feeding mechanism, a develop mechanism, an etching mechanism, a film stripping mechanism, a dehydration drying mechanism and a boarding ejecting mechanism that are connected with the control system and arranged successively. The board feeding mechanism, the develop mechanism, the etching mechanism, the stripping mechanism, the dehydration drying mechanism and the boarding ejecting mechanism are connected through individually arranged gearings; the develop mechanism, the etching mechanism and the stripping mechanism are respectively connected with sectional exhaust apparatuses, filtering apparatuses and pumping units. The invention can organically combine operations of development, etching and film stripping and complete a whole manufacture process in one piece of equipment, has high degree of automation, reasonable design, good plating and filtering recovery effects and brings huge benefits to relative industries.

The invention provides an automatic medicine dispenser, which is characterized by comprising a large-span synchronous parallel movement device. The large-span synchronous parallel movement device is fixed on a frame. A quick lift is driven by the large-span synchronous parallel movement device to move horizontally. An arrangement, alignment, lifting and push-out device for medicines is arranged on the quick lift and is driven by the quick lift to move up and down. Medicine boxes are stacked on the arrangement, alignment, lifting and push-out device for medicines and are driven by the same to ascend and pushed into a slant storage device one by one under control of a control system. The medicine boxes enter from a high end of the storage device. A medicine discharging device is disposed at the low end of the storage device and is used for pushing the medicine boxes into a bucket lift under control of the control system. The automatic medicine dispenser is small in occupied space, high in medicine storage, and capable of accurately, reliably, quickly and continuously feeding and discharging medicines.

The invention provides full-automatic multi-station three-dimensional tube punching equipment and belongs to the technical field of machinery. The full-automatic multi-station three-dimensional tube punching equipment solves the technical problems that a punching machine in the prior art needs to assemble and disassemble tubes for many times when being used for punching holes on the tubes at different positions, and the punching accuracy cannot be guaranteed. The full-automatic multi-station three-dimensional tube punching equipment comprises a machine frame. A spindle is arranged on the machine frame, a rotating disk is fixed in the middle of the spindle, a plurality of core rods are evenly fixed on the rotating disk in the peripheral direction, a conveying device used for conveying the tubes to the core rods and sleeving the tubes on the core rods is arranged on the machine frame, locating devices which can axially locate the tubes sleeving the core rods are arranged on the core rods, and a punching device which can punch the tubes sleeving the core rods is arranged on the machine frame. The punching device comprises a punching head, wherein the punching head is arranged right above through holes of the core rods. A discharging structure which is used for enabling the punched tubes to be break away from the core rods is arranged on the machine frame. The full-automatic multi-station three-dimensional tube punching equipment has the advantages of being capable of automatically punching the tubes in a three-dimensional mode and high in punching efficiency.

The invention discloses an addressing-type submarine detector distributor which comprises a couple settlement rack, detectors fixed to the couple settlement rack, an anticollision frame and a control device, wherein the anticollision frame is provided with a camera, an altimeter and an illuminating lamp; the anticollision frame is connected with a suspension device for suspending the couple settlement rack; the suspension device comprises an electric control releaser which is used for controlling the unlocking of the suspension device to release the couple settlement rack from the suspension device; the camera is used for shooting submarine morphology and transmitting the displayed submarine morphology images to the control device; the altimeter is used for measuring the distance between the couple settlement rack and the sea bottom, and transmitting the distance information to the control device; and the control device is used for controlling the operation of the electric control releaser according to the output submarine morphology images and height detection signals. The distributor can effectively ensure that the detectors are stably and reliably delivered to the sea bottom and obviously enhance the detection effect of the detectors.

The invention provides a power transformation transmission system suitable for a wave power generator unit. The power transformation transmission system comprises a rectification / boost power supply device, a submarine cable, a direct current converter device, a storage battery cabinet, an inverter power supply device and an isolation transformer. The rectification / boost power supply device rectifies and boosts the AC three-phase 400V alternating voltage output by the power generator unit to the 1006V direct current voltage. The direct current converter device stabilizes the 1006V direct current voltage; when the rotating speed of the power generator unit is normal, the direct current converter device supplies a direct current input power supply to the inverter power supply device and supplies the floating charge voltage to a storage battery; when the rotating speed of the power generator unit is low, the storage battery releases stored energy, and the storage battery and the direct current converter device jointly supply the direct current input power supply to the inverter power supply device. The inverter power supply device inverts the direct current input voltage with the 1006Vdc rated input into the alternating voltage with the 230Vac single phase and the alternating voltage with the 400Vac three phases, and then the stable 230 / 400Vac alternating voltage is output by the isolation transformer of which the ratio of transformation is 1 to 1. The power transformation transmission system is small in loss and high in power generating efficiency.

A proportioning and mixing method of materials by remote weighing and delivering features that the raw materials are proportionally weighted by a single weighting apparatus and then pneumatically delivered via pipeline and feeder into one or multiple banburying apparatuses. It includes such steps as proportional weighing, mixing with compressed air, pneumatic delivering in pipeline, filtering for separating materials from compressed air, and feeding them in banburying apparatus.

The invention discloses a smooth artificial fish reef structure and aims to settle the defects of single function, relatively low stability after coming into service, easy shake, incapability of facilitating aggregated living of fish swarms and easy blockage in an existing artificial fish reef. The smooth artificial fish reef structure comprises an alga culturing substrate and a fish reef substrate. A pulling rope and a mesh bag are connected between the alga culturing substrate and the fish reef substrate. The alga culturing substrate is connected with impact balls which are used for impacting with a fish reef substrate. The fish reef substrate is provided with high-pressure gas which is used for flushing a fish sheltering chamber. The impact balls trigger a rebound mechanism. The rebound mechanism cuts a gas cover open. The high-pressure gas is discharged for flushing the fish sheltering chamber, thereby preventing blockage of the fish sheltering chamber. The artificial fish reef can become a place for inhibiting, breeding, bait acquiring and sheltering for the fish swarms, and furthermore can be used for culturing the alga. The fish sheltering chamber in the fish reef substrate after coming into service are not easily blocked. Furthermore high stability, high reliability and small vibration amplitude of the artificial fish reef after being input into sea are realized. Furthermore the artificial fish reef facilitates aggregated living of the fish swarms.

The invention relates to printing stapling machinery, in particular to a book block transmitter of small paper-cover stapling machine linkage line. The invention provides a slope transmitter of small paper-cover stapling line, which comprises a slope table, a back baffle plate, a front baffle plate, a support sheath, a chain track, a transmission system, and an expansion device, wherein the back baffle plate is fixed on wall, the front baffle plate is connected and controlled by the support sheath, the slope table is at the bottom between the back and front baffle plates. The invention is characterized in that the slope table is composed of a short table, a middle table and a long table, the middle and short tables are arranged with a corner, the middle and long tables are arranged with a corner, the short table is provided with a vibration table before. The invention has compact structure, stable property, easy adjustment and operation, reasonable structure, stable transmission, and the application for resolving the problems of prior paper-cover machine which has few clamps and needs to arrange book block by hand, without linkage line. The invention can be used for small paper-cover stapling machine linkage line with few clamps.

The invention relates to the technical field of medicine filling, in particular to a liquid medicine filling machine. A motor drives a dial shaft to rotate through a coupler, a dial, a first cam and asecond cam of the dial shaft are driven to synchronously rotate clockwise; the dial disc rotates to drive a groove wheel to do intermittent periodic rotation, and the groove wheel drives a belt wheelto rotate through a groove wheel shaft so as to drive the belt installed on the belt wheel to move intermittently; the first cam rotates to drive the upper end to make up-and-down reciprocating motion of the ejector rod which is always kept in contact with the high-auxiliary point, and an ejector rod drives a second bent pipe clamped on the ejector rod to do up-and-down reciprocating motion; thesecond cam rotates to push the piston on a top plate mechanism to do reciprocating rectilinear motion, and then opening and closing of the liquid outlet are completed. The liquid medicine filling machine has the beneficial effects that the opening and closing time of the liquid outlet can be changed by adjusting the rotating speed of the motor so as to adjust the filling amount of the medicine; the filling quantity of each medicine bottle is accurate, the medicine is not easy to leak, and the filling precision is higher and the effect is better.

The invention discloses a nuclear power station nuclear instrument source test intelligent robot, which comprises a robot body and a control module, and is characterized in that the robot body is provided with a sensor element and a robot walking mechanism; the control module comprises a central control unit, a motion control module, an information processing module, an autonomous navigation module, a power management module and a peripheral equipment interface module; the central control unit receives data information sent by each module and forms a control instruction to control each module;the motion control module is used for controlling movement of the robot body; the information processing module is used for processing and transmitting the acquired data and realizing human-computerinteraction; the autonomous navigation module is used for planning a moving path of the robot and performing mobile navigation; the power supply management module is used for performing on-off controland power supply intelligent protection on the robot; and the peripheral equipment interface module is used for controlling external expansion equipment. The robot provided by the invention can carrya source for test according to test requirements based on the set test logics and routes.

The invention discloses a tobacco box positioning and error-preventing control system and method in the tobacco primary processing tobacco box unpacking process. The tobacco box positioning and error-preventing control system comprises a controller, a in-place detection phototube, a material detection phototube and an overloading detection phototube, wherein the in-place detection phototube, the material detection phototube and the overloading detection phototube are arranged on one side of a conveying belt in order. The controller reads the signals of the phototube. When the in-place detection phototube is in a negedge and the material detection phototube is in high level, a stripping machine clamping arm declines, and a turnover machine performs a reverse action; or else, the stripping machine clamping arm and the turnover machine are not actuated.

The invention relates to a storage cargo outlet method for a storage rack, which is characterized in that a storage plate for storing cargos is inclined so that the surface of the storage plate becomes an inclined surface, the bottom of the inclined surface is provided with a position limiting element used for preventing the cargos from downwards sliding, the cargos are placed on the inclined storage plate, and the cargos are arranged at the inclined surface above the position limiting element one by one, when the cargo delivery is needed, the cargos to be outlet tightly leaning on the position limiting element are firstly lifted, in addition, the cargos are higher than the position limiting element, the cargos exceed the position limiting element under the gravity effect of the cargos above the inclined surface and slide out of the storage plate in inclined arrangement, and the subsequent cargos slide to the position limiting element and are blocked on the storage plate in inclined arrangement by the position limiting element. The storage rack comprises a support frame, wherein the storage plate is connected onto the support frame and is in inclined arrangement, the position limiting element is arranged on the storage plate and is positioned at the downstream part of the storage plate in the inclined arrangement, a through hole is arranged on the storage plate and is adjacent to the position limiting element, and a lifting mechanism is arranged under the through hole.

The invention provides a double-storage bin submerged arc welding agent circulating device which is applicable to the soldering flux recycle in the process of bead welding. The device is characterized in that a clapboard is welded in a welding agent barrel body, and the welding agent barrel body is divided into left and right storage bins with the same volume by the clapboard; the lower end of each storage bin is provided with a small rectangular material opening, and a material falling overturning plate is arranged at the lower end of the clapboard of the welding agent barrel body; air filter cores are fixed on the walls of the two storage bins with the same volume; side plates of filter core press covers are respectively welded with hose joints; the hose joints are respectively connected with inhaling hoses; the other ends of the inhaling hoses are respectively connected with two-port two-position electromagnetic valves; a third hose opening for inhaling three joint is connected with an air inlet of a high-pressure fan; and the two two-port two-position electromagnetic valves and the high-pressure fan are controlled, so that the two storage bins are respectively under the negative pressure status and the normal pressure status within the same time range; a negative pressure storage bin sucks the welding agent, and the welding agent falls off from a normal pressure storage bin, so that the transportation and the recycle of the welding agent can be realized; and the transportation, the recycle and the cycle operation process of the welding agent is more stable and reliable.

The invention relates to the field of biomedicines, in particular to a magnetic acoustic contrast agent composition, a magnetic acoustic contrast agent, a magnetic microvesicle acoustic contrast agentand a preparation method of the magnetic acoustic contrast agent. The magnetic acoustic contrast agent composition comprises lipid, a surfactant and magnetic nanometer particles, wherein the surfactant consists of a surfactant A and a surfactant B; the surfactant A is in the free state, the surfactant B is in combined state to be modified on the surfaces of the magnetic nanometer particles; and the HLB value of the surfactant A is 8. Compared with the lipid of 1mol, the content of the surfactant A is 0.1-1mol, the content of the surfactant B is 0.1-1mol, and the content of the magnetic nanometer particles is 0.05-0.5mol. The magnetic microvesicle acoustic contrast agent prepared from the magnetic acoustic contrast agent composition has high stability, can meet in vivo circulation targeting delivery requirements, and realizes local high-concentration targeting delivery of medicines.

The invention relates to the technical field of seasoning filling, in particular to a height adjustable table vinegar filling machine. A motor drives a drive plate shaft to rotate through a coupler, and then drives a drive plate, a first cam and a second cam, which are installed on the drive plate, to rotate synchronously and clockwise; the drive plate rotates to drive a slot wheel to rotate intermittently and periodically, and the slot wheel drives a belt pulley to rotate through a slot wheel shaft so as to drive a belt, which is mounted on the belt pulley, to move intermittently; the first cam rotates to drive an ejector rod, of which the upper end is always kept in higher-pair point contact with the first cam, to perform to-and-fro motion up and down, and an ejector rod drives a secondelbow pipe, which is clamped on the ejector rod, and a first discharge pipe and a second discharge pipe, which are fixedly connected with the second elbow pipe, to perform to-and-fro motion up and down; the second cam rotates to push a piston on a top plate mechanism to perform to-and-fro linear motion, and then the opening and closing of a liquid outlet are completed. The filling machine has thefollowing beneficial effects: the height of the filling machine is adjustable, so that the filling machine is convenient to dock with other equipment; the belt is provided with two rows of circular grooves for placing and positioning filling bottles, and the bottle bodies are difficult to fall over.

The invention discloses a vegetable cutting machine, which comprises a machine seat, a cutter power transmission part, a vegetable conveying part and a vegetable pressing part, and is characterized in that the cutter power transmission part at least comprises a first transmission shaft and a second transmission shaft; a power input wheel is arranged at the input end of the first transmission shaft; the output end of the first transmission shaft is connected with the input end of the second transmission shaft in a transmission manner through a bevel gear; a cutter is arranged at the output end of the second transmission shaft; a first transmission shaft supporting part is matched with the first transmission shaft; a second transmission shaft supporting part is matched with the second transmission shaft; the second transmission shaft supporting part is fixedly arranged on a movable supporting piece which can drive the second transmission shaft and the cutter to rotate around the axis of the first transmission shaft and be positioned; and the movable supporting piece is connected with a slantways cutting angle control device for controlling rotating angles, namely slantways cutting angles, of the second transmission shaft and the cutter. The vegetable cutting machine can straightly cut vegetables and slantways cut the vegetables.

The invention discloses an automobile sprinkling test line which comprises a conveying mechanism (1) used for conveying vehicles, a sprinkling mechanism and an air-drying mechanism (5) are further arranged in the vehicle conveying direction in sequence, and a vehicle can be tested through automatic simulation of a raining environment.

The invention discloses an inter-equipment synchronous conveying balancer, a product conveying line and a product production line. The synchronous conveying balancer between the equipment comprises a first driving wheel, a second driving wheel, a first guide rail, a second guide rail and a conveying chain, wherein the conveying chain is in transmission connection with the first driving wheel and the second driving wheel; a buffer adjusting mechanism is arranged on the first guide rail, and a balance adjusting mechanism is arranged on the second guide rail; the buffer adjusting mechanism and the balance adjusting mechanism are each provided with a first guide wheel and a second guide wheel. The conveying chain is wound on the first guide wheel and the second guide wheel, and the cache adjusting mechanism and / or the balance adjusting mechanism can be driven by the conveying chain to move along the first guide rail or the second guide rail. According to the balancer with the synchronous conveying function between the devices, products can be completely, orderly and continuously conveyed between the different devices, the product conveying process is more stable and reliable, and the conveying speed is greatly increased.

The invention provides an artificial fish reef facilitating placement and aims to solve the problems that conventional artificial fish reefs only have a single structure and function, are not easy to place, and are liable to blockage after being placed for use. The artificial fish reef comprises a seaweed cultivation base body and a fish reef base body. A pull rope and a net bag are connected to the seaweed cultivation base body and the fish reef base body. A plurality of lifting rings are arranged on the upper end of the fish reef base body. The lower end of the seaweed cultivation base body is provided with a plurality of pulling hooks corresponding to the lifting rings one to one, and the pulling hooks can be corroded by sea water easily. The lifting rings are connected to the pulling hooks. The seaweed cultivation base body is internally provided with an air inlet cavity body and a plurality of piston cavities communicated with the air inlet cavity, and the fish reef base body is internally provided with a fish shelter cavity leading to the outer wall. The seaweed cultivation base body is provided with a plurality of installing grooves in the lower surface and striking balls are fitted in the installing grooves. The striking balls are connected to the bottom surfaces of the installing grooves via hanging ropes which can be corroded by sea water easily. The striking balls are connected with limiting ropes, and the lower ends of the limiting ropes are connected with pulling rings which are movably connected to the pull rope in a sleeving manner.

The invention discloses a book management device integrating book recycling and donation, and a management method thereof, and belongs to the field of intelligent book management systems. The device comprises a recycling bookshelf assembly, a book grabbing and conveying assembly and a book recycling and recognizing assembly, wherein the book recycling and recognizing assembly comprises an outer frame, a book conveying mechanism, a waste book transferring mechanism, a waste book temporary storage mechanism, a weighing sensor, a book scanner, a label printer and a control system. According to the invention, a book management device integrating book recycling and donation is provided; books are distinguished, recovered and donated according to values and are organically combined together, sothat automatic recovery and donation management of waste books are facilitated, great convenience is brought to recovery and donation of books which are not used by students, the book purchasing costof next students is reduced, and papermaking materials are saved; and the structural design is reasonable and compact, the book transferring action is stable and reliable, and the books are not proneto being damaged in the grabbing and transferring process.

The invention discloses a release paper suction feeding and cutting applying device which comprises a supporting back plate, a suction feeding mechanism and a cutting applying mechanism. The suction feeding mechanism comprises a base, a driving roller, a tension roller, an anti-sticking conveying belt and a suction box, the anti-sticking conveying belt is provided with a plurality of first suctionholes, the cutting applying mechanism comprises a support, a bottom roller, a cutter roller, a cutter and a pressing roller, the cutter is fixed to the cutter roller through a cutter frame, the widthof the cutter roller is larger than that of the cutter frame, the discharge position of the anti-sticking conveying belt corresponds to the release paper feeding position on the bottom roller, a cutting edge of the cutter is aligned to the release paper cut-off position on the bottom roller, the bottom roller is further provided with a pressing position, and the release paper cut-off position islocated between the release paper feeding position and the pressing position. The cut-off length of release paper can be conveniently controlled, the position of the cutter on the cutter roller can beadjusted according to requirements, therefore, the position of the release paper applied on main materials is adjustable within the main material front-side designated range, and products with different specifications can be conveniently produced.

The invention discloses a preying-facilitated artificial reef which aims for settling defects of single functions, inconvenient preying of fish swarms at a reef position and easy blockage after an existing artificial reef comes into service. The preying-facilitated artificial reef comprises an alga culturing substrate and a reef substrate. A pull rope and a mesh bag are connected between the alga culturing substrate and the reef substrate. The alga culturing substrate is connected with impact balls which are used for impacting with the reef substrate. The reef substrate is provided with high-pressure gas which is used for flushing a fish sheltering chamber. The impact balls trigger a rebound mechanism. The rebound mechanism cuts a gas cover to open. The high-pressure is discharged and flushes the fish sheltering chamber, thereby preventing blockage of the fish sheltering chamber. The artificial reef can provide a place for inhibition, breeding, baiting and sheltering for fish swarms and furthermore can be used for culturing the alga, thereby realizing convenient preying of the fish swarms. After the artificial reed comes into service, blockage of the fish sheltering chamber in the reef substrate does not easily occur, thereby facilitating aggregation of the fish swarms.

The invention discloses a sintered brick setting machine. The sintered brick setting machine is characterized in that a balance frame is composed of a vertical frame and a multi-connecting-rod telescopic frame, a lifting component is formed by a servo motor, a driving chain wheel, a first fixed pulley, a second fixed pulley, a chain and a driven chain wheel, the chain is sequentially connected with the driving chain wheel, the driven chain wheel, the first fixed pulley and the second fixed pulley, and a balance weight is connected with the tail end of the chain; and a green brick clamping device comprises a clamping disc, a telescopic frame and a clamp, the clamp disc is connected with a rotating device, air cylinders are fixed to the telescopic frame, clamping plates penetrate telescopic rods, every two adjacent clamping plates are connected to form linkage through a corresponding connecting rod, the clamping disc is provided with air storage tanks, and the air cylinders communicate with the air storage tanks through air distributing pipes, and the air inlet ends of the air distributing pipes are connected with air pressure adjusters. According to the sintered brick setting machine, the clamping force of the clamping plates can be finely adjusted, green bricks are prevented from being extruded and damaged, a lifting device can prevent the green brick clamping device from swinging in the ascending process, the green bricks can stably move and the setting quality and efficiency are improved.

The invention discloses a turnover mechanism for guitar coating. A guitar frame body on a running mechanism is turned over to a second position from a first position, and the running mechanism comprises a slide frame body sliding on slide rails and a rotary shaft penetrating the slide frame body. The turnover mechanism comprises a rotary gear, a rack, a locking seat, a first linear driver and a second linear driver, wherein the rotary gear is mounted on the rotary shaft; the rack is selectively in meshing transmission with the rotary gear; the first linear driver is arranged on the guide rails and used for driving the rack and the rotary gear to be meshed or separated; the locking seat is mounted on the slide frame body and provided with a first locking groove and a second locking groove; a locking part of the rotary shaft is selectively locked with the first locking groove or the second locking groove; the locking part is locked with the first locking groove and the second locking groove respectively, so that the guitar frame body is correspondingly positioned in the first position and the second position; the second linear driver is arranged on the guide rails and used for enabling the locking part to be unlocked from the first locking groove or the second locking groove through the rotary shaft, so that turnover of the guitar frame body is relatively reliable and the cost is relatively low.

The invention discloses an automatic green brick stacking machine of a brick kiln. The machine is characterized in that a telescoping frame is connected to the bottom part of a chuck, wherein a clamp is fixed to the inner wall of the telescoping frame; a cylinder is fixed to the telescoping frame; a clamping plate passes through a telescoping rod; the cylinder communicates with an air storing tank through an air distributing tube; the air distributing tube is connected with an air pressure regulator; a base on which a gyring support is arranged is connected to the top part of the chuck; a pressing plate on which a speed reducer is arranged is rotatably connected to the gyring support; a connecting gear is connected to an output shaft of the speed reducer; a spring column is arranged between the pressing plate and the gyring support; the pressing plate is connected with a lifting device; a moving device comprises a first frame plate, a second frame plate and a tension spring column; a driving wheel which is driven through a servo motor is arranged on the first frame plate; a driven wheel is arranged on the second frame plate. With the adoption of the machine, each green brick can be successfully clamped; the chuck can self-adaptively adjust the inertia force during rotating; when pausing, the moving device can self-adaptively buffer the inertia impacting force, so that the stability of the green brick in moving can be improved, and as a result, the green brick stacking efficiency can be improved.

The invention discloses a special vacuum cup take and place system for a vacuum cup production line. The special vacuum cup take and place system comprises a three-axis vacuum cup take and place device which is matched with vacuum cup mouth processing equipment, a four-axis vacuum cup take and place device which is matched with vacuum cup outer wall processing equipment as well as a conveying device I, a conveying device II and a conveying device III which are matched between the three-axis vacuum cup take and place device and the four-axis vacuum cup take and place device; the four-axis vacuum cup take and place device comprises an electrical control cabinet, a mechanical hand, a PLC and a mechanical hand protective cover; the four-axis vacuum cup take and place device comprises an electric-control cabinet, a mechanical hand, a PLC and a mechanical hand protective cover; and each of the conveying device I, the conveying device II and the conveying device III comprises a conveying bracket, a conveyor belt and a conveyor belt drive motor, the front end of the conveying bracket is equipped with a vacuum cup sucking mechanism and a vacuum cup blocking mechanism. The special vacuum cuptake and place system is high in degree of automation, is high in production efficiency, reduces labor intensity of a worker, saves labor power, is low in error rate, guarantees product quality, andis stable and reliable in conveying.

The invention provides a feeding device of a full-automatic mask machine, and belongs to the technical field of mask machines. The problem that a cloth conveying mode of an existing mask machine needs to be optimized is solved. The feeding device comprises a feeding part used for gently conveying cloth and a feeding part used for pulling and conveying a raw material cloth belt. The feeding part comprises a fixedly arranged support body, a plurality of forward rotation rollers and reverse rotation rollers which are rotatably arranged on the support body, two forward support shafts and two reverse support shafts which are freely and rotatably arranged on the support body, a forward rotation toothed belt which is tightly sleeved on the two forward support shafts, a reverse rotation toothed belt which is tightly sleeved on the two reverse support shafts, a forward rotation gear fixedly connected to a forward rotation roller main shaft in a sleeve manner, and a reverse rotation gear fixedly connected to a reverse rotation roller main shaft in a sleeve manner. Compared with the prior art, the feeding device of the full-automatic mask machine has the advantages that the cloth conveying process is stable and reliable, adjustment can be carried out according to requirements, and good adaptability is achieved.

The invention provides a conveying machine device. A support frame (1) is composed of a plurality of connection rods connecting a plurality of carts in a rotary manner. The carts can move with the guidance of a guide rail (10) arranged along the conveying path (A) and can separate in the conveying direction (E). A continuous to-be-fricated face (A) is formed on the outer surface of the cart and the connection rods, covering the conveying direction (E). In a downstream inclined path part (B), forceless braking components (B1, B2) pressing a friction roll(2) on the to-be-fricated face (1A). At the same time, the support frame (1) is made move automaticaly through gravity. A high position horizontal path part (C1) more adjacent to the upstream side than the downstream inclined path and a low-position horizontal path part (C2) that is more adjacent to the downstream side than the downstream inclined path (B). The support frame (10) is driven through power at the same time that the driving roll (7) is pressed on the to-be-fricated face (1A).

Apparatus for sheathing an endoscopic tool is described. The apparatus is suitable for sheathing the tool when it is displaced in a proximal direction from a working channel of an endoscope. The apparatus comprises a sheathing assembly, which is attachable to a proximal port of the endoscope and to the endoscopic tool. Within the sheathing assembly is deployed a folded, flexible sleeve adapted to unfold from the assembly when the tool is retracted in the proximal direction from the working channel. The sheathing assembly is designed to allow displacement of the tool through the sheathing assembly in a distal direction and simultaneous retraction of the tool together with the sheathing assembly in the proximal direction.