261results about How to "Stable tension" patented technology

The invention discloses an energy-saving reciprocating type telescopic mechanical arm pallet fork elevator, and relates to the technical field of elevators. The device comprises a lifting assembly, a telescopic mechanical arm pallet fork assembly is fixedly installed on the front face of the lifting assembly, the telescopic mechanical arm pallet fork assembly comprises a mounting plate, the mounting plate is fixedly installed on the lifting assembly, four sliding rails are welded to the front face of the mounting plate, and lifting sliding blocks are slidably connected to the interiors of the four sliding rails; and rotating shafts are rotationally installed between the two sets of lifting sliding blocks on the same side, first inserting rods are fixedly installed on the rotating shafts, and second inserting rods are hinged to the bottoms of the first inserting rods. Displacement of the first inserting rod in the vertical direction is converted into displacement of the second inserting rod in the horizontal direction, the pallet fork elevator has enough vertical space, but the horizontal space is limited by the size of the pallet fork elevator, under the condition that the equipment size is not increased, the pallet fork distance can be greatly increased, conveyors in butt joint with each floor are reduced, and the labor intensity of workers is reduced. The lifting cost is reduced.

The invention provides a deep sea truss type semi-submersible breeding device, which comprises a centralized control buoyancy chamber, a breeding net cage floating body, a counterweight stand column, a mooring rope, a breeding net cage and a swing arm type floating body assembly, and is characterized in that the centralized control buoyancy chamber is arranged on the water surface, and equipment is arranged in a centralized manner, so that corrosion resistance, insulation, safety and controllability are ensured, and the overall stable load adjusting capability of the breeding net cage is controlled; the labor intensity of operators is reduced, uniform lifting of the culture net cage is accurately kept, the problem of inclination of the culture net cage is avoided, water temperature and oxygen content adjustment is achieved, meanwhile, damage of typhoon, red tide in summer and low temperature in winter to cultured organisms is avoided, the survival rate is increased, production and income are increased, and aquatic products capable of being cultured by the equipment can be increased by adjusting the water depth; the culture net cage can rise and dive to fully develop and utilize the deep sea, and a high-quality scheme is provided for wide culture groups to culture in the deep sea.

The invention relates to the technical field of heaters, in particular to a layered fabric heating battery cell, heating battery cell manufacturing equipment and a control system thereof.The layered fabric heating battery cell comprises warp yarn and weft yarn which are composed of conductive composite fibers, and the warp yarn and the weft yarn are woven into the layered fabric heating battery cell through a loom; the conductive composite fiber is prepared from a conductive material and a fiber matrix material in a laminating manner; according to the layered fabric heating cell provided by the invention, through uniform weaving of the flexible conductive composite fibers, heat is uniformly distributed in the fabric, the problem of local overheating or supercooling is avoided, and due to the fact that the resistance of the conductive composite fibers is relatively low, the electric energy consumption required by heating is reduced.

According to the high-precision tension control system for the solar cell backboard coating line, high-precision tension control is achieved based on an SINAMICS 120 servo dragging system, a Siemens S7-300 series PLC is adopted as a control core, a PROFIBUS-DP field bus communication network is established, CPU317-2DP serves as a master station, a field remote IO module and a CU320 driving unit serve as slave stations, and the high-precision tension control system for the solar cell backboard coating line achieves high-precision tension control. An industrial personal computer is used as a man-machine interaction medium, normal operation of the whole production line is achieved by setting tension and production speed, tension control is performed in a mode of combining a floating roller and a high-sensitivity tension sensor, a high-precision servo system S120 is used for dragging, high-precision control of tension is achieved, and actual operation of the system shows that the production efficiency is greatly improved. Compared with a traditional tension control system, the system has the advantages of being stable in tension control, high in precision, stable in production speed, friendly in man-machine, capable of achieving non-stop roll changing and capable of completely meeting the requirement for continuous production of the back plate.

The invention relates to the technical field of welding wire production devices, in particular to an anti-snapping stranding device for welding wire production. Comprising a supporting frame, the supporting frame is provided with a plurality of winding rollers, the supporting frame is fixedly connected with a first guide plate and a second guide plate, and the first guide plate and the second guide plate are each provided with through holes with the same number as the winding rollers; the fixing plate is fixedly connected to the supporting frame; and the number of the mounting shells is consistent with that of the through holes in the first guide plate, the mounting shells are embedded in the fixing plate, and first extrusion blocks which are symmetrically distributed are slidably connected into the mounting shells. In the reset process of the friction block, the distance between every two adjacent moving blocks is reduced, so that friction force always exists between the friction block and the main welding wire, it is ensured that the main welding wire can drive the friction block to move normally, the main welding wire has stable tension force in the normal use process, and therefore the quality of the produced cable type welding wire is ensured.

The invention discloses a tablet driver and a medicine dispensing device, the tablet driver comprises a driving part, a shaft part, a shaft hub and an elastic arm, and the shaft part extends perpendicular to the driving part and defines a rotation axis; the shaft hub is arranged on one side of the driving part and can rotate around the shaft part, and the surface of the shaft hub is configured to be used for receiving a target piece; the elastic arm extends from the periphery of the shaft part to the inner wall of the shaft hub, and the elastic arm is connected with the shaft hub through a quick connection structure; when the shaft hub rotates relative to the shaft part, the elastic arms can deflect clockwise / anticlockwise, and therefore tightness compensation is provided. According to the sheet driver and the medicine distribution device, due to the compensation design of the sheet driver, the medicine carrier can be subjected to stable tension and is uniformly indexed, and therefore it is guaranteed that medicine can be accurately in place. The chip driver is simple in structure and convenient to assemble, and the effects of reducing cost and increasing efficiency are achieved in the device assembling process.

The invention discloses a mountainous region photovoltaic panel strong-wind-resistant swing suppression device which comprises a fixed base provided with a plurality of mounting holes, a stand column assembly with one end rotatably connected with the fixed base, a photovoltaic panel mounting frame comprising a plurality of transverse supporting beams and longitudinal supporting beams, and a windproof inhaul cable assembly comprising at least three inhaul cables. And the wind direction sensor is mounted at the top of the photovoltaic panel mounting frame. Comprising the following steps of site preparation, fixed base installation, stand column assembly installation, photovoltaic panel installation frame assembling and installation, windproof inhaul cable assembly installation, sensor and controller installation and debugging and detection. The height and the angle of the stand column assembly can be flexibly adjusted according to the actual terrain and installation requirements, and it can be ensured that the device achieves the expected strong-wind-resistant swing restraining effect through debugging and detection steps after installation.

The utility model discloses an auxiliary device for erecting an electric power high-voltage transmission cable, and belongs to the field of electric power operation auxiliary equipment. An auxiliary device for erecting a power high-voltage transmission cable comprises a mounting base which is of a double-layer structure, and further comprises four groups of positioning bottom feet which are rotatably connected to the inner wall of the mounting base and are uniformly arranged; the supporting telescopic column is mounted on the top wall of the mounting base, and the top of the supporting telescopic column is connected with a conveying plate; the control mechanism comprises a transmission assembly and a gear assembly, the output end of the gear assembly is connected with a third rotating roller and a fourth rotating roller, a sliding groove is formed in the top wall of the conveying plate, and the third rotating roller and the fourth rotating roller are slidably connected to the inner wall of the sliding groove. The conveying mechanism is arranged on the top wall of the conveying plate; according to the utility model, the conveyed power transmission line can be clamped at any time, the tension of the installed power transmission line can be adjusted, the mechanism is simple, the conveying is convenient, and the use process is stable.

The invention provides an electronic circuit copper foil producing machine with large-diameter winding equipment isolated from a main machine, and relates to the technical field of copper foil producing machines. The electronic circuit copper foil production machine comprises a winding chamber, a guide roller, a pressing roller, an adjusting roller, a winding roller, a first rotating frame, a second rotating frame and an adjusting device, the adjusting device, the first rotating frame and the second rotating frame are all arranged in the winding chamber, the adjusting roller is connected with the first rotating frame, and the pressing roller is connected with the second rotating frame. The pressing roller is connected with the second rotating frame and abuts against the winding roller, and the copper foil sequentially passes through the guide roller and the adjusting roller and is wound on the winding roller. The copper foil winding device has the beneficial effects that it is ensured that the copper foil is always kept stable in tension degree in the winding process, and the flatness and winding quality of the copper foil are improved.

The invention discloses a double-tension-interval-based film feeding system for a multi-column packaging machine, which comprises a paper roll mechanism arranged at the bottom of a rack, and a paper film changing mechanism, a film feeding device, a swing shaft roller tensioning mechanism, a laser coding mechanism, a laser coding position adjusting mechanism and a damping mechanism are sequentially arranged at the downstream of the paper roll mechanism according to the film feeding direction, an encoder alarm device and a mark tracking photoelectric sensor mark position adjusting mechanism are further arranged on the machine frame. During working, the film feeding device pulls out a paper film from a paper film roll of the paper roll mechanism, and the brake shaft is braked by the brake block, so that the paper film forms a first tension interval between the paper roll mechanism and the film feeding device; the damping mechanism is located at the output end of the film feeding system, the paper film is wound in a swing tensioning roller shaft system of the swing shaft roller tensioning mechanism, and the swing tensioning roller shaft system droops under the action of gravity, so that the paper film forms a second tension interval between the film feeding device and the damping mechanism. The film feeding device can be matched with a multi-column packaging machine, can continuously feed films and is stable in tension.

The utility model provides an immersed tube foundation bed desilting platform convenient for rapid construction, which comprises a self-floating platform, a longitudinal moving trolley and a transverse moving trolley, a first moon pool is arranged in the middle of the self-floating platform, the longitudinal moving trolley is arranged in the first moon pool in a sliding manner, the transverse moving trolley is connected with the lower part of the longitudinal moving trolley in a sliding manner, and the moving directions of the transverse moving trolley and the longitudinal moving trolley are vertical. The dredging pipe is arranged in the transverse moving trolley in a penetrating mode and connected with the top of the longitudinal moving trolley through a connecting rope, the adjusting devices are arranged on the two sides of the longitudinal moving trolley in parallel respectively and connected with the adapters through the connecting ropes, the adapters are connected with the self-floating platform through first pull ropes, and the adjusting devices are used for adjusting the fixing positions and tensioning force of the connecting ropes. The dredging platform is compact in structure and simple in design, and stability and smoothness of the dredging platform in the moving process can be greatly improved.

The utility model relates to the technical field of four-roller crushers, in particular to a tensioning device for a four-tooth-roller crusher, which comprises a main body, the main body comprises an upper crushing roller I, an upper crushing roller II, a lower crushing roller I and a lower crushing roller II, a transmission belt II is sleeved on the upper crushing roller I and the lower crushing roller I, and a transmission belt II is sleeved on the transmission belt II. The second upper crushing roller and the second lower crushing roller are sleeved with a first transmission belt, and a tensioning assembly is fixedly installed at the side end of the main body. The tensioning assembly comprises a fixing block, an adjusting bolt, a positioning rod and a tensioning wheel. According to the utility model, the bidirectional adjusting tensioning wheels are additionally arranged on the outer side of the transmission belt II on the four-tooth-roller crusher, so that in the working process of the four-tooth-roller crusher, the adjusting tensioning wheels on the two sides of the transmission belt II carry out bidirectional tensioning on the transmission belt II, and the transmission belt II maintains relatively stable tensioning force; and change caused by position adjustment of the upper crushing roller I and the lower crushing roller I is avoided, so that the practicability of the device is effectively improved.

The invention relates to the technical field of wire conductive cloth wrapping equipment, in particular to a wire conductive cloth wrapping device. Comprising a rack, two tensioning assemblies capable of straightening a wire rod from the two ends of the wire rod respectively are installed on the rack, and cloth wrapping assemblies are arranged on the upper side and the lower side of the wire rod; the cloth wrapping assembly comprises a pressing plate which can get close to and make the conductive cloth abut against one side face of the wire, and the pressing plate is provided with an air nozzle which can make the horizontal conductive cloth located outside the wire bent towards the other side in a blowing mode. A roller which can be close to the bent part of the conductive cloth is arranged beside the pressing plate; the roller can roll the bent conductive cloth on the other side surface of the wire rod and enable the conductive cloth outside the wire rod to be in a horizontal state again; and the two groups of cloth wrapping assemblies are alternately matched with each other so as to wrap the conductive cloth on the flat wire rod circle by circle.

The invention relates to the field of cable manufacturing, in particular to a multi-layer winding integrated taping machine which comprises a multi-head power pay-off device, a first wrapping machine, a wire pressing die, a second wrapping machine, a code spraying device, a third wrapping machine, a heating air pipe type oven, a cold air blowing gun, a cable diameter measuring instrument, a traction machine and a shaft row take-up device which are sequentially arranged in the advancing direction of a cable. A tension adjusting device is arranged in the multi-head power pay-off device; the tension detection sensor and the real-time tension digital display meter on the multi-head power pay-off device are matched with the tension adjusting device to control the pay-off tension, meanwhile, the hysteresis clutch capable of adjusting the torque in real time is adopted on the wrapping machine to control the winding tension, it is guaranteed that the positions of a core wire and a ground wire are not changed during high-speed wrapping, and the wrapping efficiency is improved. And the tension of the wrapping tape during high-speed wrapping is kept stable, and the stable pitch and consistent tightness of the wrapping tape are ensured, so that the performance of the cable is more stable.

The invention discloses a conductive film anti-bending durability testing device and method, and relates to the technical field of anti-bending durability testing, the conductive film anti-bending durability testing device comprises a machine body and a control panel fixedly mounted on the machine body; and the clamping test part is mounted on the machine body and is used for clamping and fixing the two ends of the conductive film and carrying out bending durability test on the two sides of the conductive film. The device has the advantages that the testing efficiency is improved by simultaneously carrying out three-point bending testing on the conductive film, constant tension of the conductive film is ensured during testing, multi-tension testing can be carried out, the testing accuracy is improved, in addition, centrifugal force generated by rotation of a second gear is used for compensating a gap generated by frictional wear, and the testing precision is improved. The second toothed plate and the second gear are kept in a tight meshing state, the transmission response speed of the gear and the toothed plate is increased, the tension stability of the conductive film is ensured, the test accuracy is further improved, the test result is more representative, and the bending resistance of the conductive film can be better indicated.

The invention relates to plastic part outer frame hot stamping equipment with stable and controllable foil paper tension. The plastic part outer frame hot stamping equipment comprises a fixing mechanism, an unwinding mechanism and a tension adjusting mechanism. The tension adjusting mechanism comprises a first installation part, an upper foil winding set, a lower foil winding set and a tension adjusting part. The upper foil winding group is mounted on the mounting piece I and comprises a plurality of upper foil winding rods which are horizontally arranged side by side at intervals; the lower foil winding set is located below the upper foil winding set and installed on the first installation part in an up-down floating mode, and the lower foil winding set comprises a plurality of lower foil winding rods which are horizontally arranged side by side at intervals. The foil paper released by the unwinding mechanism sequentially and alternately bypasses the plurality of upper foil winding rods and the plurality of lower foil winding rods and then bypasses the outer frame surface of the plastic part; the tension adjusting piece is connected with the lower foil winding set and used for adjusting and controlling the tension of foil paper during hot stamping. The tension of the foil paper is adjusted through the tension adjusting mechanism, it is ensured that the tension of the foil paper is kept stable in the hot stamping process, and therefore the hot stamping quality is improved, the yield is increased, and the production cost can be remarkably reduced.

The utility model belongs to the technical field of woven bag sling production lines, and relates to a ribbon loom system for woven bag slings. Comprising a coil mechanism, a wiring mechanism, a braid mechanism and a sling winding mechanism which are arranged at intervals in the first direction. The coil mechanism is connected with the input end of the braid mechanism through winding of the wiring mechanism. The output end of the ribbon mechanism is connected with the sling winding mechanism through a sling; the hanging belt winding mechanism comprises a belt pressing mechanism and a synchronous winding mechanism, and the belt pressing mechanism is located between the synchronous winding mechanism and the belt weaving mechanism; the coil mechanism, the wiring mechanism and the sling winding mechanism are sequentially arranged in the thread inlet and outlet direction of the braid mechanism and used for being matched with coil replacement, tension adjustment and gathering of weaving threads and synchronous winding of sling finished products so as to guarantee synchronous braid work of the braid mechanism on the multiple slings, it is guaranteed that the tension of the threads is stable and uniform in the weaving process, and the weaving efficiency is improved. And therefore, the stable ribbon weaving quality of the ribbon weaving machine is ensured.

The invention provides a thin film automatic temperature control tensioning type feeding and conveying device, which belongs to the technical field of thin film conveying and comprises a main body, a transmission mechanism and a tensioning mechanism, a guide roller and a hollow cylinder are fixedly connected into the main body, and a conveying belt is rotationally connected into the main body; the transmission mechanism comprises a Y-shaped plate, a toothed plate, a gear shaft and a cam plate, the outer surface of the cam plate is in a protruding shape, and the side, away from the toothed plate, of the Y-shaped plate is rotationally connected with a limiting frame; the tensioning mechanism comprises a swing plate, a rectangular groove, a guide plate, a balancing weight, a hollow frame and a sliding plate. When gas in a T-shaped disc of the rotating mechanism is extracted, a thin film on the surface of the T-shaped disc can be adsorbed through a round hole in an arc-shaped plate, an inner frame is pulled forwards through a limiting frame, the adsorbed thin film is driven by the arc-shaped plate to slide forwards, the thin film is tensioned, the tension of the thin film during transportation is increased, and the conveying efficiency of the thin film is improved. Therefore, the film is recovered to a relatively stable state, and the phenomenon of film looseness caused by sudden decrease of tension is reduced.

The utility model relates to a winding and unwinding device and pole piece manufacturing equipment. The winding and unwinding device comprises a driving piece, a transmission shaft, a winding and unwinding shaft and a pin tooth transmission pair. The pin tooth transmission pair comprises a main gear and a driven gear. The output end of the driving part is connected with a main gear which is in meshed connection with a driven gear, the driven gear is connected to one end of a transmission shaft, and the other end of the transmission shaft is connected to a winding and unwinding shaft. Wherein the main gear is a pin wheel. According to the winding and unwinding device and the pole piece manufacturing equipment, the stability of the tension of the pole piece can be improved.

The utility model discloses a bonding clamp for vacuum low-temperature bonding, which belongs to the technical field of bonding clamps, can ensure that an upper clamp can stably cover the top of a lower clamp, can ensure that the upper clamp is stably covered together during working, and can ensure that the lower clamp and the upper clamp can be stably tensioned after the lower clamp and the upper clamp are covered. And the subsequent bonding work can be smoothly carried out. The bonding clamp for vacuum low-temperature bonding comprises a mounting frame, a vertical plate is vertically fixed to one end of the top of the mounting frame, a clamp body is mounted at the top of the mounting frame and comprises a lower clamp, a containing cavity is formed in the lower clamp, and a supporting disc is slidably arranged in the containing cavity; an upper clamp is hinged to the end, close to the vertical plate, of the lower clamp through a hinge, a lifting cavity is vertically formed in the side edge, facing the upper clamp, of the vertical plate, and a supporting assembly is installed in the lifting cavity; the supporting assembly comprises a lead screw, the lead screw is sleeved with a sliding block, and a supporting rod is hinged between the sliding block and the upper clamp.

The utility model discloses a kind of steel wire rope automatic rope winding machines, by setting torsion releasing device, release the torsion generated in the process of winding rope of steel wire rope, prevent the disorder of rope reel caused by torsion of steel wire rope, tension adjusting device, the tension of steel wire rope in the process of winding operation can be adjusted in real time, so that winding is more regular, by increasing the friction of steel wire rope to slow down its speed, reach the purpose of adjusting tension;And rope reel butt joint device realizes automatic lifting transfer of the winding reel and the storage of steel wire rope by lifting mechanism and transmission mechanism, the degree of automation of the in-place, butt joint and rotating action of steel wire rope reel is high, winding is more efficient;While the rope guiding roller, line pressing mechanism and line arranging mechanism arranged between rope reel butt joint device and tension adjusting device, so that the line arranging and winding action cooperation is more smooth, and line arranging mechanism uses positive and negative screw rod to carry out automatic reversing, can realize the orderly storage of steel wire rope, improve the operation efficiency of steel wire rope storage.

The utility model relates to the technical field of tensioning, in particular to a rolling and tensioning device. The tensioning device comprises a lever capable of swinging back and forth around a horizontal shaft, the lever takes the horizontal shaft as a fulcrum, rod bodies on two sides of the fulcrum on the lever are respectively a resistance rod and a power rod, the outer end of the resistance rod is provided with a tensioning guide wheel, the axis of the tensioning guide wheel is parallel to the horizontal shaft, and the rod body of the power rod is provided with a balancing weight. The gravity of the balancing weight forms power for prying the resistance rod to turn upwards and enabling the tensioning guide wheel to abut against materials, and the balancing weight can be adjusted in a sliding mode in the length direction of the power rod. The tensioning device can still keep the tensioning force stable after being used for a long time; besides, after the tensioning force is adjusted according to materials with different tensioning force requirements, the position of the tensioning wheel cannot be changed, and a technical platform is provided for a follow-up detection unit to detect the real-time position of the tensioning wheel and control and adjust the rolling speed in real time.

The utility model relates to filter cloth production technical field especially, it is a kind of filter cloth winding device with tension automatic regulating function, including machine frame, the quick cloth roll dismounting roll of dismounting cloth roll mechanism and adjusting mechanism of adjusting cloth tension are respectively provided on the machine frame.The utility model discloses adjusting mechanism is set, in the process of filter cloth production, the tension of filter cloth can be automatically adjusted, ensure that filter cloth keeps tension stable in winding, avoid filter cloth to be too loose and lead to its wrinkle, set up the support structure of distribution simultaneously, can guarantee filter cloth conveying stable, improve winding quality and consistency, set up dismounting cloth roll mechanism, through the ring of twisting can quickly fixed or dismounting roll, improve the rate of filter cloth winding, and after winding is completed, the filter cloth of winding can be automatically pushed out, both reduce manual operation, reduce labor cost, improve the efficiency of cloth roll mounting and dismounting and convenience again.

The utility model discloses an automatic high -efficient winding machine of rotor, including frame, the left and right sides of frame upper surface all are provided with movable seat, and the opposite surface of two movable seats all are installed with first motor, and the output of first motor is connected with winding head through the rotation of rotating shaft, still include: two the wire wheel of the upper and lower of winding head inside are equidistant through the rotation of axle and are connected, and the opposite surface of two winding heads all are fixedly connected with limit stop. This automatic high -efficient winding machine of rotor, adopts two winding heads and can simultaneously carry out winding to two slot positions or different winding of rotor iron core, can improve production efficiency, and can support complex winding process, and utilize the effect of clamping plate, link rod and return spring, can carry out clamping fixed to the axle end of rotor iron core, and through the relative movement of two limit stops rotor iron core and carry out limit fixed, thereby avoid the deviation of rotor iron core in the winding process, ensure winding accuracy.

The utility model relates to the technical field of folding machine, disclose a kind of folding machine crease pressure compacting force adjustable device, including installation shell, the upper end of the inner wall of installation shell is provided with stretch mechanism, the stretch mechanism includes storage groove, the inner wall of the front end and rear end of storage groove is uniformly connected with the first electric telescopic link of fixed connection, the inner wall of the both sides of storage groove is slidably connected with multiple roller frame, the outer wall of roller frame front end is rotatably connected with the roller of force adjustment, the outer wall of the rear end of roller frame is fixedly connected with multiple guide rod. In the utility model, under the action of guiding slide block and guiding sliding groove sliding connection, first electric telescopic link can control the extrusion of force adjustment roller to material with the inspection of first pressure sensor under the control of preset pressure, so that the tension between material and pressure compacting roller is in preset state, so that material receives uniform, stable tension in folding process, avoid appearing local relaxation or problem of being too tight, so as to guarantee folding quality.

This invention discloses a setting device and method for wrinkle-resistant and non-iron-feeling functional fabrics, belonging to the field of garment fabric processing technology. It aims to solve the problems of unstable fabric conveying tension, uneven dyeing, easy wrinkling during cooling, and inconvenient replacement of supporting components in existing setting devices. The device includes a frame, drive box, drying box, dyeing box, cooling box, conveyor belt, servo motor, drive shaft, and placement assembly. The dyeing box is equipped with a liquid storage chamber, hemispherical protrusions, and arc-shaped clearance grooves, which can achieve uniform dyeing of the fabric and recover excess working liquid. The cooling pipes in the cooling box form a temperature gradient to prevent a sudden drop in fabric temperature. The placement assembly can maintain stable tension as the fabric decreases and can also disconnect the supporting component from the drive shaft when little fabric remains, ensuring the conveying of the remaining fabric. It also facilitates the disassembly and replacement of the supporting component. This device is mainly used for setting processing of wrinkle-resistant and non-iron-feeling functional fabrics, improving setting quality and operational continuity, and reducing working liquid consumption.

The utility model discloses a five-roller tensioner, and relates to the technical field of strip steel hot rolling devices. The five-roller tensioner comprises a rack, a plurality of tension rollers, a plurality of pressing rollers and an auxiliary roller assembly, the auxiliary roller assembly comprises L-shaped side plates, a rotating shaft, a pressing shaft and an auxiliary roller, the two ends of the rotating shaft penetrate through the middles of the two L-shaped side plates and the two side vertical plates respectively, the rotating shaft is connected with the middles of the L-shaped side plates through bearings, the two ends of the pressing shaft penetrate through the front ends of the two L-shaped side plates respectively, and the auxiliary roller is connected with the two ends of the pressing shaft. The two ends of the pressing shaft are connected with first oil cylinder connectors through bearings, the first oil cylinder connectors are connected with feeding oil cylinders rotationally arranged at the tops of the side vertical plates, the two ends of the auxiliary roller are connected with the rear ends of the two L-shaped side plates through bearings correspondingly, and the auxiliary roller is arranged above the tensioning roller at the feeding end in parallel. And a transmission assembly is arranged between the auxiliary roller and the tensioning roller at the feeding end. The five-roller tensioner is provided with the auxiliary roller assembly, the friction force between the strip and the roller surface can be increased, and the strip is prevented from slipping on the roller surface in the feeding process.

This utility model relates to a simple adhesive application device suitable for dispensing machines, comprising a housing with a cleaning port at the top and a partition installed inside the housing. Below the cleaning port, the partition has a contact adjustment block with several adjustment holes, connected to the partition via adjustment screws. The partition divides the housing into a storage space and a control space. On one side of the storage space, a feeding mechanism and a winding mechanism are installed, each connected to an adhesive strip. On the other side of the control space, a feeding drive and a winding drive are installed. Thus, the device, through its adjustable contact adjustment block, can accommodate the end-face cleaning of flat nozzle dispensing heads and the wrap-around cleaning of immersion needle dispensing heads, meeting the cleaning needs of different types of dispensing heads.

The utility model discloses a three-stage tension control unreeling device for an easy-to-deform printing material, which relates to the field of printing machinery and comprises an unreeling device, and a first-stage printing material tension disturbance absorption regulation and control device, a second-stage printing material tension disturbance absorption regulation and control device and a third-stage printing material tension regulation and control device are arranged on a printing material output channel. The third-stage printing material tension regulation and control device comprises a pair of conveying roller sets and a guide roller, a tension sensor is installed on the guide roller, a first fixed guide roller and a second fixed guide roller are arranged in front of and behind the guide roller respectively, a driving roller is driven by a motor controlled by a frequency converter, and the output end of the tension sensor is connected to the input end of the frequency converter; the device is provided with three stages of regulation and control devices, stretching is carried out through the first-stage regulation and control device, shaping is carried out through the second-stage regulation and control device, accurate adjustment is carried out through the third-stage regulation and control device, it is guaranteed that the deformation of a printing material in the subsequent process is minimum, tension is stable, and finally overprinting is accurate when the printing material prone to deformation is printed in the printing unit; and multi-color overprinting high-quality printing can be completed.

The utility model is suitable for the technical field of textile equipment, and provides a spinning machine thread feeding device which comprises a base. The supporting frame is arranged on the upper portion of the base; the plurality of placing seats are rotationally mounted on the inner wall of the bottom of the supporting frame and are used for placing bobbins; the wire guide plate is fixedly mounted in the supporting frame; the multiple electric telescopic rods are fixedly mounted on the outer walls of the two sides of the supporting frame correspondingly; the lifting plate is arranged above the supporting frame, and output shafts of the multiple electric telescopic rods are fixedly connected with the lifting plate; and the multiple limiting mechanisms are all arranged on the lifting plate and used for limiting the bobbins. According to the yarn feeding device of the spinning machine, when the yarn output by the bobbin is adjusted, the yarn output by the bobbin cannot be affected, and the practicability of the device is high.