18results about How to "Increase tension" patented technology

The cutting machine comprises a pressing device used for pressing materials on a material machining table, the pressing device comprises a pressing roller, a first air cylinder and a second air cylinder, and the first air cylinder and the second air cylinder are connected with the two shaft ends of the pressing roller correspondingly so as to drive the pressing roller to ascend and descend together. The first air cylinder is located on the side, close to the track, of the material machining table and installed on the cross beam through a first installation component, the second air cylinder is located on the side, away from the track, of the material machining table and installed on the cross beam through a second installation component, and cylinder bodies of the first installation component and the first air cylinder are both higher than the material transferring structure in the vertical direction. The first mounting component and the cylinder body of the first air cylinder are both higher than the material transfer structure in the vertical direction, and when the material transfer structure needs to transfer materials, the movement requirement of the material transfer structure can be met only by lifting the pressing roller to the position higher than the material transfer structure.

The utility model relates to a cutting pressure self-adaptation type loop wire cutting machine which comprises a waterproof tool table arranged on a machine frame, a cutting assembly is correspondingly arranged above the waterproof tool table, and the cutting assembly comprises a transmission wheel set longitudinally connected to the machine frame in a sliding mode, a cutting wire tensioned on the transmission wheel set and a tension adjusting motor. One transmission wheel in the transmission wheel group is pushed to reciprocate; and the tension adjusting motor simultaneously receives a tension signal on the cutting line. The servo motor can be used for sensing the pressure on the cutting line in time, adjustment is made in time, and then quality control is guaranteed.

The invention relates to the technical field of tent film construction, and provides an emergency rapid deployment tent film structure system which comprises a tensioning rod which is located between at least two supporting frames and rotates, a tent film is wound through rotation of the tensioning rod, tensioning of the tent film is achieved, the tensioning rod is in a cam shape, and the tensioning rod is connected with the supporting frames. Rotation between the upper inserting plate and the lower inserting plate is achieved through rotation of the tensioning rod, the upper inserting plate and the lower inserting plate are located on one side of the top of the supporting frame to rotate, a torsional spring is arranged at the transmission position, an inserting assembly is arranged at the end, making contact with the lower inserting plate, of the upper inserting plate, and the upper inserting plate is located between the tensioning rod and the lower inserting plate. By integrating a linkage structure, the construction process is simplified, and a single person can perform rapid deployment; the tensioning force and the clamping force are synchronously enhanced, and fixation is reliable; the upper inserting plate and the lower inserting plate are butted to block rain and snow, and sealing performance is improved; the structure meets the rainproof requirement, disassembly and assembly are convenient, and the use and maintenance cost is reduced.

The application discloses a roof integrated waterproof concealed deformation joint construction device and a construction method, and belongs to the field of deformation joint construction. The device comprises a first embedded strip arranged on the inner side wall of one side of the deformation joint, a second embedded strip arranged on the inner side wall of the other side of the deformation joint, and a waterproof assembly arranged between the first embedded strip and the second embedded strip. The waterproof assembly comprises a mounting plate arranged between the first embedded strip and the second embedded strip, and waterproof belts arranged on both sides of the mounting plate. A first moving groove is formed in the first embedded strip for sliding cooperation with the mounting plate. A second moving groove is formed in the second embedded strip for sliding cooperation with the mounting plate. A locking assembly is arranged on the first embedded strip for fixing the mounting plate. A supporting assembly is arranged on the mounting plate for supporting the waterproof belts. The application has the effect of improving the waterproof effect of the roof.

The utility model relates to the technical field of yarn twisting devices, and provides a yarn twisting device with a tension adjusting function for yarn spinning, which comprises a case, a rotating ring arranged at the top end of the case and a take-up structure arranged above the rotating ring, a yarn twisting frame is arranged at the top end of the rotating ring, and yarn twisting holes are formed in two ends of the top of the yarn twisting frame. Disassembling and assembling structures used for disassembling and assembling the twisting frame are arranged at the two ends of the bottom of the twisting frame correspondingly, a driving structure is arranged on one side of the rotating ring, pay-off rollers are arranged at the two ends of one side in the machine box correspondingly, and a tensioning structure used for improving the tension degree of threads is arranged on one side of each pay-off roller. According to the utility model, the tensioning structure is arranged, and the tensioning roller is used for applying a certain pressure to the yarn to enable the yarn to have a certain degree of tension, so that the tensioning degree of the yarn can be improved, and the phenomena that the yarn is relatively loose, the twisted yarn is relatively poor in strength, and the yarn cannot be twisted easily when the yarn is used for spinning and the like are prevented to a certain degree. And the problem that the quality of a manufactured product is reduced easily occurs.

The present invention provides an ultra-thin core diaper and a production method thereof, belonging to the technical field of diapers. The ultra-thin core diaper comprises a base film, a core, a guide layer and a surface layer, wherein the base film comprises a front waist circumference and a rear waist circumference, and also comprises a fixing layer. Through the arrangement of a drawstring, the weight of the diaper will increase after the diaper absorbs urine, and the base film will bulge downward and deform under the action of gravity. During this process, the outer side of the base film will become an arc, which can pull two drawstrings to move inside corresponding accommodating cavities, further improving the tension of the elastic band on the top of the adjustment layer, so that the waist circumference of the diaper can fit more closely to the body of the baby, avoiding the phenomenon of sinking due to the diaper being too heavy, preventing a large gap between the diaper and the baby's crotch, and avoiding the side leakage of the baby's urine.

The present invention relates to the field of photovoltaic cable technology, and discloses a photovoltaic cable processing equipment and operation method that can prevent rats and ants from biting, including a positioning ring, the surface of the positioning ring is fixedly connected to a support frame, and also includes: a winding component, the winding component includes a fixing rod, the end of the fixing rod is fixedly connected to the surface of the positioning ring, the inner wall of the positioning ring is fixedly connected to a connecting plate, and the end of the connecting plate away from the positioning ring and the end of the fixing rod away from the positioning ring are respectively fixedly connected to a positioning cylinder. The present invention is provided with a winding component at the end of the positioning ring, the winding component can wrap a protective layer around the surface of the photovoltaic cable to protect it, and the winding component can also limit the photovoltaic cable to improve the stability of the photovoltaic cable during processing, the winding component will push the pulling component to move up and down when running, and the pulling component will pull the photovoltaic cable to move toward the outer end of the coating component when moving up and down, to prevent the photovoltaic cable from being subjected to a large pulling force when winding.

This utility model provides a wire tensioning structure for a stone cutting machine, including a frame, a plurality of transition rollers respectively disposed around the frame, a top wire mechanism disposed at the upper end of the frame, a tensioning roller disposed on the frame, a rotating mechanism disposed between each of the transition rollers and the tensioning roller for driving each transition roller and the tensioning roller to rotate together, and a cutting wire disposed between each of the transition rollers, the tensioning roller and the top wire mechanism for tensioning the cutting wire, and further including a tensioning roller disposed on the frame, and an auxiliary tensioning mechanism disposed between the tensioning roller and the frame for driving the tensioning roller to move to increase or decrease the tension of the cutting wire on the transition rollers, the top wire mechanism and the tensioning roller.

The invention relates to the technical field of composite yarn twisting, and discloses a composite yarn twisting processing device and a preparation method for sunscreen yarn. After a core wire and winding wires respectively penetrate through a guide mechanism, the winding wires are twisted outside the core wire in a twisting mechanism, then twisted yarns are respectively wound on the outer sides of empty bobbins mounted in a bobbin mounting mechanism through a movable driving mechanism, and twisted composite yarns are continuously output; after each empty bobbin is fully wound with the twisted yarn, the twisted yarn is pulled down through the yarn clamping mechanism to provide a space for cutting off the twisted yarn, so that a new empty bobbin can be mounted in the bobbin mounting mechanism, and a thread end of the cut-off twisted yarn is moved out from the yarn clamping mechanism; and the newly twisted yarn continues to be wound on the outer side of the new empty bobbin, so that the efficiency of replacing the new empty bobbin in the bobbin mounting mechanism can be improved, and the overall twisting efficiency of the composite yarn can be effectively improved.

The utility model relates to the technical field of film glove pasting, and discloses a film glove pasting device which comprises a base, a first installation base fixedly connected to the right side of the top of the base, a second installation base fixedly connected to the position, arranged on the left side of the first installation base, of the top of the base, and a conveying belt fixedly connected to the left side of the second installation base. A processing mechanism is arranged in the first mounting seat, a colloid material is arranged at the top of the processing mechanism, a roll type rubber material is fixedly connected to the bottom of the colloid material, a die cutting mechanism is arranged on the left side of the second mounting seat, a laminating rubber sheet is arranged at the top of the conveying belt, and feeding equipment is fixedly connected to the front side and the rear side of the conveying belt. According to the film glove pasting device, through the arranged processing mechanism, a worker starts the driving motor to drive the material pressing smooth roller and the material pressing grinding roller to rotate synchronously, rubber materials are driven downwards through concave-convex lines on the surface of the material pressing grinding roller, extrusion forming of the rubber materials is completed through cooperation with the material pressing smooth roller, and forming of roll type rubber materials is completed.

The utility model discloses an anti-wrinkle rewinding device for a plastic film, relates to the technical field of rewinding devices, and aims to solve the problem that the rewinding of the plastic film is wrinkled due to the fact that the rewinding compactness is improved by preventing inertial rotation of the film through an arranged friction plate structure of the conventional rewinding device but the rewinding flatness of the plastic film cannot be ensured. Comprising a device platen, a support plate is welded to the upper end of the device platen, a winding drum and a driving motor are arranged on the two sides of the support plate respectively, an output shaft of the driving motor is in transmission connection with the winding drum through a coupling mechanism, a limiting ring block is arranged on the outer wall of the winding drum, and the limiting ring block and the winding drum are of an integrated structure; the guide sliding groove is formed in the device table plate, the guide sliding groove and the device table plate are of an integrated structure, an internally-connected sliding block is movably arranged in the guide sliding groove, a movable seat plate is arranged at the upper end of the internally-connected sliding block, and the movable seat plate and the internally-connected sliding block are of an integrated structure.

The invention relates to the technical field of colored spun yarn tension detection, and discloses a colored spun yarn tension detection mechanism and a use method thereof.The colored spun yarn tension detection mechanism comprises a supporting plate, supporting legs are fixedly connected to the bottom of the supporting plate, a tension detection device is arranged at the top of the supporting plate, and the colored spun yarn tension detection mechanism further comprises a positioning component and a tension detection device, a limiting groove is formed in the inner wall of the through hole, a round hole rod is fixedly connected to the inner wall of the through hole, a rectangular frame is slidably connected to the inner wall of the round hole rod, and a groove wheel is rotatably connected to the upper surface of the rectangular frame. The positioning part is arranged on the surface of the supporting plate to limit the colored spun yarn, the situation that the colored spun yarn deflects when conveyed on the surface of the tension detection device is avoided, the anti-skid part is arranged at the top of the positioning part, and the colored spun yarn can be limited in the positioning part through the anti-skid part; the situation that the colored spun yarn falls off during tension detection is avoided, and the positioning component moves upwards to extrude the colored spun yarn.

The utility model discloses an electrolytic water film electrode roll to roll cutting device relates to electrolytic water film manufacturing technical field, including frame, the rear part mounting of frame has the discharge roll group, the middle part mounting of frame has the stress roll group, and the front side mounting of frame has the tensioning roll group, and the front side of tensioning roll group is provided with the material receiving roll group and the edge material roll group, and the material receiving roll group and the edge material roll group are all installed on the frame, the middle part mounting of frame has height adjusting spare, and the output of height adjusting spare is connected with the support frame, and the below fixed mounting of support frame has the limit strip group, and two groups of cutting assemblies are slidably installed on the limit strip group, and the control part is connected between cutting assembly and support frame. This electrolytic water film electrode roll to roll cutting device, through the cooperation of roll group and cutting assembly, realizes finished product and edge material separation, and the distance between two cutting wheels is convenient for adjusting, adapts to different width demand, reduces the cost of changing type.

The invention relates to the field of cloth dyeing machines, in particular to a cloth dyeing machine capable of preventing dye liquor from splashing out, which comprises a cloth dyeing box body, feeding guide grooves are formed in the front part and the rear part of the cloth dyeing box body, and threaded guide grooves for guiding and a lifting device are formed in four corners of the upper end surface of the cloth dyeing box body; the lifting device is in threaded connection with the upper end face of the cloth dyeing box through the threaded guide groove, and a servo motor is arranged at the corner of the upper end face of the lifting device. When the cloth dyeing device is used for dyeing cloth, the gear motor can provide power for the guide device, so that the guide device can circularly drive the two groups of cloth dyeing devices to move up and down in the cloth dyeing box body through sliding limiting of the transmission crankshaft and the fixed sliding rail; therefore, the two sets of cloth dyeing devices can conduct double dyeing operation on the dyed cloth, meanwhile, the up-down displacement of the two sets of cloth dyeing devices can improve the tensioning degree of the dyed cloth, and the dyeing uniformity and efficiency are further improved.

The pin punch forming equipment for sensor production comprises a supporting frame, a conveying assembly, a punching unit and an angle folding unit, the conveying assembly is fixedly installed in the supporting frame, and the punching unit is fixedly installed on one side of the supporting frame. The plate-shaped sensor is clamped through the belts of the two conveyors, so that the plate-shaped sensor rotates in the rotating direction of the conveyors and drives the plate-shaped sensor to move, the conveyors and the punching unit are coordinated and matched, a pin of the sensor is pressed by a punching head of a rotating punching ridge plate, the pin of the sensor is blocked by a bevel frame, and the pin of the sensor is automatically punched. The bending degree of the pins of the sensors is gradually increased by the stamping ridge plate and the stamping head until the pins of the sensors are discharged from the conveyor to reach the set bending degree, the pins of the sensors can be efficiently and stably bent to the set angle, and it is ensured that the bending precision of the pins of the sensors is consistent. The device has the function of continuously bending the pins of the sensor.

The utility model belongs to the technical field of pistons, and particularly relates to an automobile piston which comprises a piston body, pin shafts are symmetrically arranged on the two sides of the piston body, a plurality of ring grooves are formed in the upper end of the outer side of the piston body, a piston ring is installed on each ring groove and used for sealing combustible mixed gas in a combustion chamber, and a damping block is arranged at the bottom of the piston body. And vibration generated in the working process is reduced through the damping blocks, and the comfort of automobile driving is improved.

The utility model discloses a clinical debridement support which can be used for temporarily binding limbs of a patient, is suitable for patients with different body types and can be used for properly recycling generated wastes during debridement. According to the technical scheme, the device is characterized by comprising a frame body and an operation table used for supporting limbs, the middle of the operation table is sunken downwards to form a sinking hopper used for guiding objects to fall, a through hole is formed in the bottom of the sinking hopper, a groove used for containing the limbs is further formed in the operation table, and the groove is communicated with the sinking hopper; a binding sleeve and an adjusting structure used for controlling the tightness degree of the binding sleeve are arranged at the groove, and the garbage can is detachably connected to the bottom of the frame body. By means of the sunken structures of the binding belts and the grooves, the limbs of the patient are tightly fixed; waste can be effectively recycled by utilizing the sunken sinking hopper; meanwhile, by adjusting the tightness degree of the binding sleeve, the binding device is suitable for limbs with different thicknesses and has the advantage of being flexible to use.

The utility model provides a screen tensioning device which comprises a mounting plate and tensioning mechanisms, the tensioning mechanisms are arranged on the left side and the right side of the top of the mounting plate, each tensioning mechanism comprises a transmission case, sliding rods are welded to the front side and the rear side of each transmission case, sliding rails are arranged on the periphery of the top of the mounting plate, and the sliding rails are connected with the transmission cases. One end of the sliding rod is slidably connected into the sliding rail, a servo motor is arranged at the top of the transmission box, the output end of the servo motor is fixedly connected with a right-hand and left-hand threaded rod, the upper side and the lower side of the right-hand and left-hand threaded rod are both in threaded connection with threaded sleeves, connecting rods are welded to the outer sides of the threaded sleeves, and U-shaped plates are welded to the outer sides of the connecting rods. And the front side of the U-shaped plate is in threaded connection with a fastening bolt. By arranging the tensioning mechanism, the screen can be tensioned longitudinally and transversely, so that the periphery of the screen is stressed, and the problem that the watching experience of people is affected due to the fact that the screen is wrinkled after long-time use is avoided.