140 results about "Chain device" patented technology

The utility model provides an explosive mixing conveying chain device for a firework inner barrel filling production line. The device comprises a water tank mechanism and a power mechanism, the water tank mechanism comprises a rack and a water tank fixedly arranged above the rack; the power mechanism comprises a power machine and a conveying chain which are respectively arranged below and above the water tank; a plurality of sliding table trolleys are detachably installed on the conveying chain, the power machine drives the conveying chain to drive the sliding table trolleys to conduct uniform-speed circular motion in the water tank, and the sliding table trolleys sequentially pass through a plurality of medicine mixing mechanisms arranged on the side edge of the water tank at equal intervals. According to the mixed medicine conveying chain device, water can be injected into the water tank, so that medicine powder and other impurities generated in the medicine mixing process fall into the water tank, and fire and explosion caused by medicine naturally are avoided; the power machine drives the conveying chain to drive the sliding table trolley, so that the whole medicine mixing and conveying process is automatic, manual intervention is reduced, the production efficiency and the yield are improved, the occupied area of equipment is small, and efficient production layout can be achieved in a limited site.

The invention relates to the technical field of building machinery, in particular to a pier column top shock insulation support mounting device and method. The device comprises a base, an inclined guide rail, a foldable guide rail, a first hydraulic cylinder, a second hydraulic cylinder, a third hydraulic cylinder, an electric cylinder, a limiting plate, a meshing type pushing chain device and a camera. The method comprises the steps that guide rails are arranged on the two sides of a pier column, the device moves to the construction position along the guide rails, the shock insulation support is moved to the foldable guide rails, the foldable guide rails are adjusted to be horizontal, and the position of the shock insulation support is adjusted, installed and fixed. The mounting difficulty of the shock insulation support can be greatly reduced, the construction efficiency is improved, and the mounting quality is guaranteed.

The invention provides an automatic harvester for Chinese chives, and relates to the technical field of harvesters, the automatic harvester comprises a machine head, two guide plates are symmetrically fixed to the front end of the machine head, a lifting machine box is installed at the tail end of the machine head, a delivery port is formed in the upper end of the lifting machine box, and a vertical frame is fixed to the rear end of the machine head; compared with the prior art, the multiple sets of collecting assemblies circularly rotate in the vertical frame through the chain wheel and chain devices, and when the different collecting assemblies correspond to the positions of the delivery ports, through rotation of shaft rods, the multiple sets of collecting assemblies can be separated from the delivery ports through rotation of the shaft rods. The collecting frame is pushed to the position of the outlet to conveniently receive the Chinese chives, meanwhile, the other side of the collecting frame sends the Chinese chives out of the collecting frame, in the process, the Chinese chives are screened in a shaking mode, and therefore the difficulty that impurities are manually and independently selected later is lowered, the Chinese chives are neatly arranged, and follow-up binding is facilitated.

The present invention relates to the technical field of vibration data detection, and specifically relates to an electric chain saw chain device and an operating safety detection method. The method comprises: obtaining a time-series initial noise factor of vibration data at each moment on the basis of the difference between local vibration data in a vibration signal data sequence and distribution of the differences between all adjacent vibration data within a local range, and obtaining a time-series noise factor of the vibration data at each moment by means of distribution of time intervals between all adjacent extreme points in a local vibration data curve; on the basis of the difference between the energy corresponding to a fundamental frequency and the energy corresponding to harmonic frequencies and the degree of disorder in energy distribution of the harmonic frequencies, obtaining a frequency domain noise factor of the vibration data at each moment, and filtering the vibration data to obtain a filtered vibration signal data sequence; and then performing operating safety detection of the electric chain saw chain device. The present invention reduces the interference of environmental noise and improves the accuracy of the operating safety detection of the chain device.

The present invention relates to a push chain device, comprising: a push chain (10) including a curved portion (10b) and a straight portion (10a) along an axis, the chain including links (12) hinged to the axis; a push chain guide (20); a drive sprocket (1) having teeth (2) interlocked with the push chain, the sprocket contacting the push chain through a circular involute-shaped contact surface (2a), the contact surface (2a) being a tooth, the teeth (2) engaging with the chain, and defining a line of action at an angle between -10° and 10° to the axis of the straight portion, the line of action being offset relative to the hinge axis of the link, the sprocket contacting the straight portion (10a) but not the curved portion (10b), and being mounted such that it can rotate on an axis located on the side of the chain opposite to the center of curvature of the curved portion (10b), the contact surface (2a) including a convex front surface toward the straight portion (10a) and a rear surface toward the curved portion (10b) when the teeth (2) interlock.

The utility model discloses a vessel toy and anchor chain device which comprises a shell, a driving device, a transmission device, an anchor chain and a travel switch, the transmission device is arranged in the shell and comprises a speed reduction screw, a speed reduction worm gear and a speed reduction gear set, and the speed reduction screw is in transmission connection with the speed reduction worm gear and the speed reduction gear set. The driving device is fixed to one side of the shell and is in transmission connection with the speed reduction screw, the speed reduction gear set is sleeved with the travel switch, and the anchor chain is wound around the speed reduction worm gear. Wherein the driving device is used for driving the speed-reducing screw to rotate, the speed-reducing gear set is used for reducing the rotating speed of the speed-reducing screw and increasing the torque of the speed-reducing screw, the speed-reducing screw is used for driving the speed-reducing worm gear to rotate, the speed-reducing worm gear is used for controlling winding and unwinding of the anchor chain, and the travel switch is used for controlling the winding and unwinding length of the anchor chain. The folding and unfolding length of the anchor chain of the ship toy can be accurately controlled, the electronic control cost is reduced, installation is convenient, cost is reduced, efficiency is improved, and practicability is high.

The utility model relates to the technical field of stretch film packaging machines, and discloses a vertical full-chain device of a full-automatic stretch film packaging machine. And a rack is mounted at the top of the operation table. When the film feeding device is used, a stretching film can penetrate through the top of the film feeding roller through the film feeding roller and then is matched with the transmission chain wheel and the chain body to drive the film feeding roller to rotate, and when the film feeding roller rotates, the stretching film can be pulled to move, so that the stretching film is conveniently fixed on the film feeding roller; at the moment, the stretching film is formed and sealed through the forming working chamber and the heat sealing working chamber, so that the stretching film is conveniently processed, a full-chain penetrating heat sealing mode is adopted, the problem that film penetrating is difficult is perfectly solved, meanwhile, forming is achieved when the film is fed, time and cost are saved, and efficiency is high. The stretching film is driven by the chain body to conduct sealing and vacuumizing, so that the product is free of wrinkles, and the sealing is attractive.

The utility model relates to a food water-cooling conveying device which comprises a supporting frame, a conveying chain device is fixed on the supporting frame, the conveying chain device is provided with a spiral ascending section, two ends of the spiral ascending section are respectively connected with a linear section, a water sprinkling coil pipe is arranged above the spiral ascending section of the conveying chain device, and water leakage holes are distributed on the water sprinkling coil pipe. Spray heads for spraying water to the spiral ascending section of the conveying chain device are distributed on the periphery of the spiral ascending section of the conveying chain device and assembled on a water spraying pipe. A conveying chain device used for conveying high-temperature food is fixed on a supporting frame, a water spraying coil pipe is arranged above a spiral rising section of the conveying chain device, and water leakage holes are distributed in the water spraying coil pipe. Food can be cooled while the food with the high temperature is conveyed, time and labor are saved, and simplicity and high efficiency are achieved.

The invention relates to the technical field of railway transportation, in particular to a cargo bracket set for a flat-collecting common vehicle and a cargo transportation method. Wherein an end bottom frame of the end blocking frame can be detachably installed on the vehicle bottom plate, and a first end chain assembly and a second end chain assembly of the end chain device are connected to the end bottom frame. When the first end chain assembly and the second end chain assembly are in the disconnected state, goods are allowed to be loaded and unloaded on the end bottom frame, and the end bottom frame is used for bearing the ends of the goods; when the first end chain assembly and the second end chain assembly are in a connected state, the first end chain assembly and the second end chain assembly and the end bottom frame form a closed ring and are used for binding goods to circumferentially limit the goods, and the end stopping piece is fixed to the end bottom frame and used for longitudinally stopping the goods. The longitudinal displacement and the transverse displacement of the goods are limited through the cooperation of the end stop pieces and the end chain devices, and the transportation safety is improved advantageously. The end bottom frame, the first end chain assembly and the second end chain assembly can be reused as a whole, and operation is easy and convenient.

A bullet chain feeding and discharging device for a machine gun bullet chain feeding machine and a use method thereof belong to the technical field of military automation. An opening at the end of a feeding mechanism is located above a bullet discharging mechanism. A bullet chain feeding mechanism is connected with the bullet discharging mechanism. A bullet chain discharging mechanism is connected with the lower part of the bullet discharging mechanism, is located below the bullet chain feeding mechanism, and is fixed by two side baffle plate fixing devices. A hand wheel of a bullet pushing mechanism is manually rotated. A bullet pushing plate of the bullet pushing mechanism is driven to reciprocate through a crank rod. When the bullet pushing plate moves to a rear end position, a bullet falls into the bullet pushing mechanism between side blocks. A bullet head faces forward, and a bullet tail faces backward. When the bullet pushing plate moves forward, the bullet is pushed into a chain feeding mechanism. The bullet pushing plate and a push plate of the bullet chain discharging mechanism move synchronously when bullet feeding is completed. The bullet chain discharging mechanism drives a bullet head pushing mechanism to discharge the bullet body outward, and bullet pushing is completed. The bullet chain feeding and discharging device for the machine gun bullet chain feeding machine provided by the application is compact, safe, and fast in the bullet chain feeding and discharging process, and can improve the production efficiency and production precision of products.

A kind of control method of double push chain device lifting platform synchronous operation, belong to push chain lifting platform technical field, including the following steps: (1) the position of the push chain head of two push chain devices is detected;(2) the speed of two push chains is calculated;(3) the height difference of the push chain head of two push chains is calculated;(4) the push force of the push chain head of two push chains is read;(5) the push force difference of the push chain head of two push chains is calculated;(6) according to fuzzy rule base, judge the unbalance load condition, and calculate compensation frequency and compensation time.The present application solves the synchronization problem and unbalance load problem in the operation of two push chain device lifting platforms, improves the load capacity of the lifting platform, improves the stability of the lifting platform, and prolongs the service life of the lifting platform.

The application provides a device and method for eliminating escalator driving chain vibration, wherein the device is arranged on an escalator, the escalator comprises a driving host, a driving main shaft and a driving chain arranged around the driving host and the driving main shaft, and the device comprises: a vibration sensor arranged on the escalator and used for collecting vibration data when the escalator is running; a frequency converter electrically connected with the driving host and used for controlling the rotating speed of the driving host; a tensioning module arranged on one side of the driving chain and used for tensioning the driving chain; a pressure sensor arranged on the tensioning module and used for measuring the pressure between the tensioning module and the driving chain; a moving module connected with the driving host and used for moving the driving host; and a controller electrically connected with the vibration sensor, the frequency converter, the tensioning module, the pressure sensor and the moving module respectively. The application can automatically eliminate the vibration of the driving chain, thereby eliminating the vibration of the escalator, without stopping the escalator for maintenance, and reducing maintenance cost.

An automatic return line for a trolley, comprising chain devices in a ring shape respectively arranged on two parallel brackets. A front frame and a rear frame are provided at the front end and the rear end of the brackets. Both ends of the chain devices are driven by reversing gears and pushing gears to form a circulating drive for the chain devices; a motor is provided in one of the rear frames, and the motor drives a transmission rod to rotate. The two ends of the transmission rod respectively drive the pushing sprockets in the rear frame, driving the two chain devices to synchronously drive in the brackets on both sides; a plurality of pushing blocks capable of abutting against the trolley are respectively provided on each chain device, and the trolley is driven by the chain device to be pushed between the two brackets; a guide rail assembly is further arranged above the transmission rod at the end between the two brackets. After the trolley moves uphill through the guide rail from the front of the rear frame, it slides down after passing through the rear frame to complete the transportation. The invention can enable multiple trolleys to be automatically transported, reducing the labor intensity of workers while improving the efficiency.

The invention provides a slaughter equipment conveying chain, and relates to the technical field of chain equipment. A slaughter equipment conveying chain comprises a plurality of connecting structures, each connecting structure comprises a hinge block, an outer chain plate, a pin shaft, a Y-shaped hinge block, a long pin shaft and a guide wheel, each connecting structure comprises two outer chain plates, and the hinge blocks and the Y-shaped hinge blocks in each connecting structure are rotationally connected with the pin shafts through the outer chain plates. And one side of the middle of the long pin shaft is knurled, so that the diameter of the part is increased, the part is assembled with the Y-shaped hinge block, assembly is convenient, when one end is in interference fit, the pin shaft can be effectively prevented from rotating, and a good effect is achieved.

The utility model discloses a scraper chain device of a scraper conveyer, which belongs to the technical field of scraper conveyors and comprises a plurality of chains, the plurality of chains are rotationally connected with one another, notches are arranged on two sides of the chains, scrapers are arranged on two sides of the chains, and the scrapers are arranged on the chains. One end of the scraper is fixedly connected with a connecting assembly, the other end of the connecting assembly is located in the notch, and the connecting assembly limits the chain. The connecting assembly is adopted, the handle is rotated to enable the threaded rod to rotate, so that the threaded rod pushes the wedge-shaped strip to move, the sleeve moves in the direction of the spring and extrudes the spring, the scraper and the connecting assembly are quickly connected and fixed, the scraper or a chain is more quickly replaced, the downtime is shortened, and the production efficiency is improved. The maintenance efficiency is improved, the risk that the whole chain or the whole device needs to be replaced due to equipment damage is reduced, and the long-term operation cost is reduced.

The application discloses a kind of hanging chain type workpiece coating systems, including hanging chain device, spraying device, paint dipping device and at least two baking devices;Hanging chain device includes chain conveying mechanism, two workpiece lifting mechanisms and multiple suspension mechanisms.The hanging chain type workpiece coating system utilizes each suspension mechanism to hang workpiece, and is transported in assembly line by chain conveying mechanism, so that multi-angle stereo sound paint spraying operation can be carried out on workpiece, ensure the comprehensiveness of workpiece coating paint spraying, reduce the workload of manual paint repair in later period, enhance the coating processing quality of workpiece;Utilize paint dipping device can be cooperated with hanging chain device, so as to realize dip coating, compared with the existing carrying trolley and spraying mode has better coating comprehensiveness, ensure the coating quality of workpiece;Utilize spraying device can carry out surface cleaning before workpiece is dipped in paint, ensure the coating quality of workpiece.

The utility model relates to the technical field of imine furnaces, and discloses a track chain device with a dustproof structure, which comprises a track body, a sliding chute is arranged on the track body, a top plate is fixedly arranged at the top of the track body, a chain film clamp is connected with the inner wall of the sliding chute in a sliding manner, and the chain film clamp is connected with the dustproof structure. The track chain device comprises a top plate, a protection mechanism for shielding dust is arranged on the top plate, the protection mechanism comprises a boss, the boss is fixedly installed on the side wall of the top plate, the inner wall of the boss is rotationally connected with a rotating rod, and a baffle is fixedly installed on the outer wall of the rotating rod. And meanwhile, a worm wheel, a boss and a rotating rod are matched to drive a baffle to rotate upwards, the baffle rotates upwards to cover the top of a top plate, and at the moment, the baffle can shield falling dust, and the situation that the dust falls into a sliding groove to affect sliding of the chain film clamp is avoided.

1. The name of the design product: watch winder decoration ring (3). 2. The use of the design product: used for decorating mechanical watch automatic chain device. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective drawing.

The application provides a mixed medicine conveying chain device and a conveying method for a flower bomb inner tube filling production line. The device comprises a water tank mechanism and a power mechanism. The water tank mechanism comprises a rack and a water tank fixed above the rack. The power mechanism comprises a power machine and a conveying chain arranged below and above the water tank respectively. A plurality of sliding platform trolleys are detachably installed on the conveying chain. The power machine drives the conveying chain to drive the sliding platform trolleys to move at a uniform speed in a circle in the water tank. The sliding platform trolleys pass through a plurality of mixed medicine mechanisms arranged at equal intervals on the side of the water tank in sequence. The mixed medicine conveying chain device can inject water into the water tank, so that the medicine powder and other impurities generated in the mixed medicine process fall into the water tank, and the medicine is prevented from naturally causing fire and explosion. The power machine drives the conveying chain to drive the sliding platform trolleys, so that the whole mixed medicine conveying process is automated, manual intervention is reduced, the production efficiency and yield are improved, the equipment occupies a small area, and efficient production layout can be realized in a limited space.

The utility model discloses a kind of self-guiding rigid chain device and battery replacing equipment for battery replacing equipment, including mounting bracket and rigid chain, chain storage cavity and lifting guide cavity are arranged side by side on the mounting bracket, drive gear and matched drive motor that the rigid chain is guided to the lifting guide cavity inside and moves along the length direction of the mounting bracket or the rigid chain in the lifting guide cavity is guided to the chain storage cavity inside are equipped on the bottom of the chain storage cavity on the mounting bracket, guide rail for guiding the rigid chain is equipped in the lifting guide cavity.The utility model has the beneficial effects that: rigid chain is diverted by 180 ° and realizes lifting self-guiding by guide rail being set on mounting bracket in matched mode, can dispense with existing lifting guide structure, simplify structure, reduce cost.

The invention belongs to the technical field of lifting devices, and particularly relates to a multi-degree-of-freedom lifting system driven by a pushing chain and a control method. The lifting platform is driven by the four lifting pushing chain devices to vertically move in the Z direction, the lifting platform is driven by the two horizontal pushing chain devices to horizontally move in the X direction, and the lifting platform is driven by the two horizontal pushing chain devices to horizontally move in the Y direction. According to the lifting system, multi-degree-of-freedom movement in the X direction, the Y direction and the Z direction can be achieved, the space occupancy rate is reduced, the running speed is increased, the working efficiency and maintenance convenience are remarkably improved through a modularized system driven by a pushing chain, the adaptive capacity of the lifting system to complex working conditions is enhanced through programming control, the positioning precision of the lifting system is improved, and the working efficiency is improved. Multi-point stop is achieved, the operation stability is remarkably improved, and the service life is prolonged.

The invention belongs to the technical field of robots, and particularly relates to a robot limb joint driving structure and a design method. The driving structure comprises an upper limb portion, a lower limb portion and a rigid chain device, the bottom end of the upper limb portion is hinged to the top end of the lower limb portion through a first hinge shaft, the rigid chain device is installed on the upper limb portion, a rigid chain output by the rigid chain device moves along an arc-shaped track around the first hinge shaft, and the head of the rigid chain is connected with the lower limb portion. The design method comprises the steps of determining a first rotation track, a second rotation track and a third rotation track and designing the sheet type of the chain plate. According to the invention, a joint motor module and a linear actuator can be effectively replaced, the structure not only has extension rigidity, but also can present specific bending degree, can bypass a joint pivot and directly act on a driven part, and the effect of driving rotation by a large force arm is realized on the premise of not increasing the structure size; and the defects of a robot limb joint driving mode are overcome.

The present invention relates to a servo tilting gravity machine with a semi-gear transmission, comprising a base and a main oil cylinder, with a left large ring and a right large ring provided on either side of the base, and a fixed mold plate fixed on the base, a guide column provided on the fixed mold plate, a top plate installed on the upper end of the guide column, and a movable mold plate movably connected to the guide column. The servo hydraulic station device also includes a side mold device, a drag chain device, a drive device, and a cooling device. The servo hydraulic station device is connected to the main oil cylinder, the side mold device is installed on both sides of the fixed mold plate, the drag chain device includes a drag chain device 1 and a drag chain device 2, and the drive device and the cooling device are respectively installed on both sides of the base. The design of the gears of the present invention only requires rotation of the actual required angle, and the installation method of the drag chain makes the gravity machine structure streamlined and easy to operate. The improvement of the cooling device makes the cooling temperature more accurate, ultimately improving the quality of the product.

The application provides a kind of composite microbial inoculant production device and production method thereof, relating to the technical field of microbial fertilizer manufacturing, comprising: fermentation box, one side of the fermentation box is fixed with intermediate plate, and the other side of the intermediate plate is fixed with drying box, frame assembly is arranged in the fermentation box and drying box, lifting assembly is arranged on the two sides of the fermentation box and drying box, the rotation of sprocket chain device sprocket driven by second motor, the collection plate in the fermentation box is pushed upwards along the vertical rail, the collection plate in the drying box moves downwards, the lifting plate of the other side chain passes through the second moving gap, can avoid moving interference, the collection plate between the inside of fermentation box and drying box is supported by the vertical column at four corners, maintains a certain interval, and facilitates the vertical movement of lifting plate, through the air window on the collection plate, the flow of air in the fermentation and drying process can be facilitated, thereby improving the effect of fermentation and drying.

The utility model relates to an anti-lost key chain device which comprises a first connecting structure, a second connecting structure and a key chain, and the first connecting structure is provided with a buckling part used for being connected with a target object in a buckling mode; the first connecting structure is detachably connected with the prompting assembly; the second connecting structure is used for hanging an object; and the telescopic assembly is connected with the first connecting structure and the second connecting structure, and the second connecting structure can movably stretch out and draw back relative to the first connecting structure through the telescopic assembly. The anti-lost key chain device has an anti-lost function and is convenient to use, the key connecting piece can be stretched to be away from the mounting shell when the anti-lost key chain device is buckled on the body of a user, a lock can be unlocked through a key without unlocking, and the anti-lost key chain device belongs to the technical field of anti-lost key chain devices.

The invention belongs to the technical field of containers, and particularly relates to a frame container with the end capable of being automatically folded and lifted. Comprising a lower frame, an end frame, an end beam frame, a transmission mechanism, a lifting mechanism and a locking mechanism. A low-rotating-speed motor and an electric control system device are arranged on the lower frame; the end beam frame is fixedly connected with the lower frame; the end frame is rotatably connected to the end beam frame through a hinge pin shaft; the transmission mechanism is connected with the low-rotating-speed motor and the end frame and used for driving the end frame to rotate around the hinge pin shaft to achieve folding and unfolding. The lifting mechanism is arranged in the end frame and used for adjusting the height of the end frame. The locking mechanism comprises a height locking assembly and a folding locking assembly which are respectively used for positioning the end frame in a lifting state and a folding state. Automatic overturning of the end is achieved through the gear meshing device, automatic limiting is achieved through the electromagnetic lock structure, automatic lifting of the end corner column is achieved through the jacking chain device, and the problems in the prior art are solved.

The utility model relates to the field of machine tool, concretely relates to a tow chain device, a machine head device and machine tool, and the tow chain device includes: mounting part, moving part and tow chain part, the tow chain part is arranged to include first tow chain and second tow chain, the second tow chain is arranged at the inboard of first tow chain, two are used to install circuit, so that can accommodate more line or pipe to pass through, under the condition of limited space or more circuit, it is more easy to manage conveniently. And, can place some important or vulnerable circuit to a single tow chain passageway, is convenient for to these circuit protection and maintenance.

The application discloses an automatic transfer and hanging system and method, and the automatic transfer and hanging system comprises a lifting device, a transfer device and a travelling crane device. The lifting device comprises a load beam assembly connected with an accumulator chain device and a lifting arm beam used for bearing an electrophoresis workpiece. The two ends of the lifting arm beam are overlapped on the load beam assembly, so that the accumulator chain device drives the electrophoresis workpiece to be transferred to a first transfer and hanging station. The transfer car body of the transfer device moves between the first transfer and hanging station and a second transfer and hanging station. The lifting mechanism lifts and raises the lifting arm beam, so that the lifting arm beam is separated from the load beam assembly. The travelling crane device moves between an electrophoresis station and the second transfer and hanging station and can lift the lifting arm beam on the second transfer and hanging station. The combination of the lifting device, the transfer device and the travelling crane device can realize automatic transfer and hanging of the electrophoresis workpiece from the accumulator chain device to the electrophoresis station. Compared with two transfer and hanging modes in the prior art, the transfer and hanging efficiency is obviously improved, the safety is higher, or the energy consumption is reduced.

The invention relates to a solid low-temperature food-grade vacuum belt dryer and a drying method thereof. The equipment mainly comprises a vacuum drying cylinder body, a multi-layer track chain device in the vacuum drying cylinder body, a multi-section heating plate below the vacuum drying cylinder body, a circulating system for supplying heat, a unit for maintaining vacuum, a feeding and discharging device for realizing continuous closed feeding and discharging, a cleaning system and a PLC (Programmable Logic Controller) automatic control system. The continuous type high-quality drying machine is characterized in that the continuous type high-quality drying of materials such as hot peppers and vegetables is achieved through a chain wheel and chain direct driving structure without deviation rectification and in combination with a vacuum low-temperature (40-100 DEG C) environment. The method comprises the steps of continuous closed feeding and distributing of materials, vacuum low-temperature program drying, continuous closed discharging and conveying and optional full-automatic cleaning. The problems of quality deterioration, low intermittent operation efficiency, unstable transmission and frequent deviation correction caused by high temperature in the traditional drying technology are solved, and the device has the advantages of being good in product quality, high in production efficiency, stable and reliable in operation, capable of meeting high-standard sanitary specifications and the like.

The utility model relates to the technical field of rigid chain application, in particular to dust-free plant rigid chain equipment, which comprises a rigid chain unit and a dust cover, the dust cover is a retractable dust cover, the lower end of the dust cover is connected with the outside of the rigid chain unit, and the upper end of the dust cover is connected with the lifting end of the rigid chain unit. And stability and high efficiency in complex procedures can be achieved, errors are effectively reduced, and the product percent of pass is increased.