49results about How to "Control transmission speed" patented technology

The invention discloses a high-efficiency digital printing machine comprising a frame, a cloth transportation device, an ink jet positioning and calibrating device and a printing ink jetting device. The cloth transportation device comprises a transportation control system, a cloth positioning mechanism, a power driving device and a transportation platform, wherein the cloth positioning mechanism is mounted on the frame and on two sides of the transportation platform, the power driving device is controlled by the transportation control system, and the transportation platform is driven by the power driving device. The printing ink jetting device is arranged above the transportation platform and comprises a jet nozzle assembly, an ink distribution assembly, an ink supply assembly and an ink control system. The high-efficiency digital printing machine is high in working efficiency, good in printing accuracy and capable of accurately printing complicated patterns.

The invention discloses a lawn rayon production line and production method. The lawn rayon production line comprises monofilament production equipment, after finishing equipment and a plying and twisting unit which are installed in sequence; two extruders of the monofilament production equipment of the lawn rayon production line are arranged in parallel and can produce monofilament with different colors and different types; the plying and twisting equipment conducts plying and twisting on the monofilament produced through the production line and monofilament which needs to be twisted, rewinding does not need to be conducted repeatedly, the process time and the workshop space are saved, requirements for plying and twisting production of two or more monofilament are met, and the production efficiency is greatly improved.

The invention discloses a composite electric heating grain dryer. The composite electric heating grain dryer comprises an elevator, a bin and a drying device, wherein the drying device is arranged above the bin; the outlet of the elevator is connected with the inlet of the drying device. The composite electric heating grain dryer is characterized in that the drying device comprises an upper drying chamber and a lower drying chamber; an independent hot-air-room is arranged under a conveying belt; a tempering bin is arranged between the upper drying chamber and the lower drying chamber; therefore, the drying process can be automatically controlled by combining the design of a control terminal. Compared with the prior art, the composite electric heating grain dryer has the advantages that cost and environmental pollution can be reduced due to no hot-blast stove; an independent air chamber is adopted to supply heat, the drying hot-air temperature can be randomly adjusted, and the grain has high drying quality; the drying efficiency is improved since stage drying cannot cause interference; the design of the tempering bin is well matched with the grain drying characteristics, and the grain drying efficiency is high; the grain drying mode can be adjusted for different grain types by combining the control terminal, and a relatively high drying efficiency can be realized under a relatively low energy consumption condition.

The invention relates to a grinding device, in particular to a polishing and grinding device for a shoe sole. The technical purpose for providing the polishing and grinding device for the shoe sole is achieved. In order to solve the technical problem, the polishing and grinding device for the shoe sole comprises a base plate, a conveying device, a third support, a collection box, a first support rod, a grinding device and the like; the conveying device, the third support and the collection box are arranged on the top of the base plate in sequence from left to right, the first support rod is arranged on the upper portion of the left side of the third support, and the grinding device is arranged at the bottom of the first support rod. Accordingly, the effects of diverse grinding directions and easy operation are achieved, a worker can fetch the shoe sole in the grinding process conveniently, the shoe sole is ground to be more precise and proper, and the worker can grind the shoe sole in a multi-dimensional mode.

The invention provides a liquid transmission control device and a liquid transmission system. The device comprises a pipeline bearing member, a flow rate sensor, an adjustment structure and a controller. The pipeline bearing member is designed to allow pipelines made from soft materials and used for liquid transfer to be arranged therein, the pipeline bearing member includes an accommodating space, and the accommodating space is used for accommodating at least one part of the pipelines; the flow rate sensor is used for detecting the flow rate of liquid transmission in the pipelines; the adjustment structure is used for adjusting the cross-sectional areas of the pipelines arranged in the accommodating space so as to adjust the flow rate of liquid transmission in the pipelines; the controller is used for outputting a control signal to the adjustment structure according to the flow rate detected by the flow rate sensor, so that the adjustment structure adjusts the cross-sectional areas ofthe pipelines arranged in the accommodating space. The device can monitor the condition of in-vitro and in-vivo liquid transmission and control the liquid transmission speed timely to avoid medical accidents caused by abnormal flow rates.

The invention discloses a construction material conveying apparatus, and mainly relates to the field of construction equipment. The construction material conveying apparatus comprises two adjustable support frames, a driving mechanism, and a material conveying mechanism. The driving mechanism comprises a driving motor, a decelerator, a top bearing pedestal, and a driving main shaft. A driving gearis arranged on the driving main shaft. The material conveying mechanism comprises a conveying toothed belt, a bottom bearing pedestal arranged on the ground, and a driven gear. The conveying toothedbelt is tightened and is arranged between the driving gear and the driven gear. The rotation shafts of two ends of the driven gear are arranged on the bottom bearing pedestal. The external surface ofthe conveying toothed belt is provided with a plurality of material hanging devices. The conveying apparatus is suitable for transporting construction materials in a low building, is convenient to operate and control, can convey construction materials automatically and mechanically, and is capable of delivering materials to construction workers in all positions; the construction efficiency is largely improved, the labor cost is reduced, and furthermore, the conveying apparatus is convenient to assemble, disassemble, and transport, and promotes the development of construction in rural areas.

The invention relates to a speed limiting method and system for data transmission, equipment and a computer readable storage medium. The speed limiting method for data transmission comprises the following steps of acquiring a network card usage rate; generating a speed limit value of data transmission according to the network card usage rate; and counting the total number of bytes of data transmitted in a time interval, if the counted total number of bytes is not larger than the speed limit value, transmitting data to be transmitted, otherwise stopping transmission. According to the speed limiting method and system for data transmission, the equipment and the computer readable storage medium, a problem that broadband resources are occupied due to the fact that the broadband resources are used in an unlimited manner in a data transmission process is effectively solved, the speed limit value of data transmission is dynamically updated according to the network card usage rate, and the data transmission rate is controlled flexibly. Speed limit control is carried out by comparing the counted total number of bytes of the transmission data and the speed limit value, so that the time precision is high, and the ms level can be achieved.

The invention provides a corn thresher which comprises a feeding device, a threshing device and a support. The feeding device is arranged on the upper portion of the threshing device. The threshing device is arranged on the support. The feeding device is composed of a feeding hopper, a conveying device, a baffle, combing needles and a connection rod. The conveying device is composed of two sliding wheels and a horizontal conveying belt connected between the two sliding wheels. The sliding wheel on the left side is fixed to the lower portion of the feeding hopper, the sliding wheel on the right side is fixed to the support, and the horizontal conveying belt, the two sides of the horizontal conveying belt and the baffle above the horizontal conveying belt form a conveying channel for conveying corncobs. The conveying channel is internally provided with the combing needles capable of moving horizontally in the direction perpendicular to the conveying direction, and the combing needles are connected with a power device through the connection rod. By means of the corn thresher, the problems that a small corn thresher is disordered in feeding and too high in speed and prone to causing blocking of the threshing device are solved, the corn thresher can be made to work more smoothly, and work efficiency is improved.

The invention relates to a microwave heating system. The microwave heating system is used for heating and processing a sealing box loaded with a heated substance, a microwave pressure module is used for wrapping and pressurizing the sealing box, the microwave heating system is fixed on a transfer device moving in a cycle way, a microwave heating device is used for generating microwave, heating the sealing box and heating and stirring when the transfer device carries the sealing box to move, a temperature measurement module is used for detecting a temperature of the sealing box or the heated substance, high heat and high voltage can be stood when the sealing box is heated, no leak is generated in the heated substance due to internal expansion or hot steam, and heating is more uniform since the stirring strength of the heated substance can be set in advance and the moving speed can be dynamically controlled; and meanwhile, during system design, appropriate stirring frequency and repeated heating frequency of the heated substance can be set, parameters such as output power and heating time of the microwave heating device and a rotational speed of the transfer device can be dynamically adjusted during system running, a closed-loop temperature control system is formed, and the demand of an industrial heating program is satisfied.

The invention provides a conveying device. The conveying device comprises a conveying body support, a supporting unit used for supporting a to-be-conveyed object and conveying units. The supporting unit comprises a plurality of supporting rods used for being supported on the two opposite sides of the to-be-conveyed object. The conveying units are arranged on the conveying body support and connected with the supporting unit and can move on the conveying body support to drive the supporting unit to move so that the to-be-conveyed object can be conveyed. The conveying units are arranged on the two sides of the conveying body support and are used for supporting and conveying the to-be-conveyed object. Compared with the prior art, contact between the to-be-conveyed object and the conveying device in the conveying process is reduced, the breakage rate in the carrying process is reduced, and the production yield is increased. When to-be-conveyed objects with patterns on the back side are encountered, the locality and possibility of scratching of the back side patterns can be greatly reduced, the quality is guaranteed, and the conveying speed is more easily controlled. Compared with a traditional conveying device, the number of wheels is reduced, and the equipment purchasing and installing and maintaining cost is saved.

The invention belongs to the technical field of coal and gangue separation, and discloses a coal and gangue separation system and an identification method. The coal and gangue separation system comprises a vibration coal feeder, a main conveyor belt, an identification module and a coal and gangue separation device, wherein the vibration coal feeder is located at the conveying starting end of the main conveyor belt and used for conveying a coal and gangue mixture to the main conveyor belt, and the coal and gangue mixture comprises coal and gangue; the main conveyor belt is used for conveying the coal and gangue mixture; the identification module is located right above the main conveyor belt and used for shooting a coal and gangue mixture image, putting the shot coal and gangue image into a gangue model, identifying gangue in the image and obtaining position information of the gangue; and the coal and gangue separation device is located at one side of the main conveyor belt and used for screening out gangue according to a confidence coefficient, obtaining the position information of the gangue and separating out the gangue before the coal and gangue mixture reaches the tail end of the main conveyor belt, so that the problems that in the prior art, a gangue identification method is harmful, equipment is complex, the equipment cost is high, and maintenance is difficult are solved.

The invention discloses silicone rubber automatic conveying, extruding and packaging production equipment and a production method. The silicone rubber automatic conveying, extruding and packaging production equipment comprises a plurality of extruding and packaging production line branch lines, a high-altitude roller conveying line and a stacking main line, the extruding and packaging production line branch lines are located on one side of the high-altitude roller conveying line, and the stacking main line is located at the output end of the high-altitude roller conveying line; each extruding and packaging production line branch line is sequentially provided with a silicon rubber cutting automatic conveying mechanism, an automatic fixed-length cutting mechanism, a weighing conveying mechanism, a film covering packaging mechanism, a shaping, boxing and labeling mechanism, a first two-way conveying lifting device and a carton opening mechanism; and the stacking main line comprises a second two-way conveying lifting device, a carton sealing mechanism and a mechanical arm stacking mechanism. The production line equipment is simple in structure and easy to maintain, the equipment maintenance time is shortened, and the production efficiency is effectively improved.

The invention discloses biodegradable membrane producing equipment which structurally comprises transparent glass, a plasticizer box, an upper opening and closing door, a plastic groove, a cushion block, a lower opening and closing door, a degradation membrane anti-breakage device, a ventilation opening, a power line, a control panel, a ladder, an observation port and a large funnel. The plasticizer box is welded to the right end of the upper surface of the degradation membrane anti-breakage device, the transparent glass is embedded in the front surface of the plasticizer box, the large funnelis embedded into the left end of the upper surface of the degradation membrane anti-breakage device, the observation port is attached to the front surface of the large funnel, and the ladder is welded to the left surface of the degradation membrane anti-breakage device. The degradation membrane anti-breakage device is arranged to control the extrusion speed of thermoplastic and the transmission speed of a membrane conveying belt, the tensile force borne by the thin membrane can be within a bearable range, and the membrane is prevented from being broken by pulling due to excessive tension; anda plasticizer is added into raw materials, so that the toughness of the membrane is further improved, and the quality of products is ensured.

The invention discloses a feeding device for industrial manufacturing. The feeding device for industrial manufacturing comprises two transmission shafts, a first conveyer belt, a second conveyer belt, supporting columns and a motor. The transmission shafts are symmetrically installed at the two ends of the first conveyer belt. The second conveyer belt is arranged above the first conveyer belt, and partition cavities are arranged between the first conveyer belt and the second conveyer belt. A plurality of springs are all installed in the partition cavities. The two ends of each transmission shaft are symmetrically provided with the corresponding supporting columns. The motor is installed on one of the supporting columns. A controller is installed at the top end of the motor. The feeding device for industrial manufacturing is simple in structure, low in manufacturing cost and high in practicability. By arranging the springs in the partition cavities, the second conveyer belt has certain deformability, so that when workpieces are conveyed to the feeding device, the action of gravity is lightened, the phenomenon that the workpieces are damaged because of the action of gravity can be effectively avoided, cost can be lowered, and work efficiency can be improved. The arranged controller can control the rotation speeds of the transmission shafts so as to control the conveying speeds of the conveyer belts, and therefore the feeding device is convenient to use.

The invention discloses a multifunctional chemical raw material conveying and packaging device. The multifunctional chemical raw material conveying and packaging device comprises a feeding bin set (1), a main bin (3), a conveyor (4), a conveyor material outlet (5) and a motor (6), and the conveyor is also sleeved with a conveyor jacket (7). Compared with the prior art, the multifunctional chemicalraw material conveying and packaging device adopts a mode that the plurality of feeding bins are communicated with the main bin through adjusting valves and then are mutually matched with a screw conveyor for use, so that the mixing efficiency is obviously improved in the material conveying process, and materials can be fully mixed; meanwhile, the conveyor jacket capable of circulating cooling water sleeves the conveyor, so that the materials are cooled while conveying; and a frequency modulation motor is used for driving the conveyor to work, the conveying speed of the conveyor and the rotating speed of threads can thus be controlled, and the speed requirement of the subsequent packaging process can be met. In conclusion, the multifunctional chemical raw material conveying and packagingdevice has the advantages that the production efficiency is remarkably improved, and a large amount of production cost is saved.

The invention discloses a novel multistage crushing device. The device comprises a first crushing mechanism, a powder delivery pump and a second crushing mechanism, the first crushing mechanism comprises a support and a discharging chamber arranged on the support, a first chopping cutter group and a second chopping cutter group are arranged in the discharging chamber, a first driving motor and a second driving motor are arranged at two sides of the discharging chamber, the upper part of the discharging chamber is connected with a feeding chamber, a pair of rollers is arranged in the feeding chamber, the second crushing mechanism comprises a frame, a crushing shell arranged on the frame, a crushing cutter hammer, a screen and a discharging hopper arranged below the screen, and a third driving motor is arranged outside the crushing shell. The crushing device is designed to have the above structure, the pair of rollers, chopping cutters and the crushing cutter hammer are integrates, and the powder delivery pump is used to transport a material, so the crushing precision is greatly improved, thereby the device has the advantages of high crushing precision, realization of multi-mode simultaneous crushing, and simplicity in operation.

The invention discloses an automatic ramie strip reversing device. The automatic ramie strip reversing device comprises a collecting device basin, a collecting device discharging pipe, a collecting device downward-sliding discharging compression roller, a discharging compression roller support, a steering device and a steering device belt pulley, after passing through the collecting device basin,ramie strips are conveyed to the collecting device discharging pipe to be perpendicular, and the steering device moves reversely to make the other sides of the ramie strips attached to the steering device to be reversed; meanwhile, the automatic ramie strip reversing device further comprises a 180-degree-steering conveyor belt mechanism and a 180-degree-steering conveyor belt mechanism belt pulley, and the ramie strips can be steered for 180 degrees. The automatic ramie strip reversing device has the advantages that the ramie strips can be conveyed regularly and more easily reversed and steered, the reversed ramie strips are conveyed to the same or the next working station of the beating position so that the ramie strips can be repeatedly beaten till a completely-degumming state is reached. By means of the automatic ramie strip reversing device, the work process is flexibly controlled, the reversing and steering effect is obvious, and the automatic ramie strip reversing device also hashigh transportability, expandability and practicability.

The invention provides a transmission device suitable for a cadmium telluride battery thin-film solar cell thermal process, which comprises a plurality of transmission units. Each transmission unit comprises a plurality of steel belts, a plurality of rolling shafts, a servo motor and a speed reducing mechanism; each rolling shaft is sleeved with the same positions of a plurality of steel belts. Each steel belt is supported by a plurality of rolling shafts, and the rolling shafts drive the steel belts to roll; the rolling shaft is electrically connected with the servo motor, and the servo motoris electrically connected with the speed reducing mechanism; a position sensor is installed in the conveying section, the position of the glass substrate is monitored in real time through an HMI andan observation window, and the position sensor is electrically connected with a servo motor in the conveying section. The position sensors and the observation windows are installed in all the conveying sections of the equipment, the position of the glass substrate is known in real time through the HMI and the observation windows, and workers can conveniently control the glass substrate in real time; the rolling shaft and the steel belt can be well assembled together, the angular travel of the servo motor is completely converted into the linear travel of the steel belt, and the purpose of controlling the glass substrate in real time is achieved.