31results about How to "Guaranteed constant tension" patented technology

The invention relates to a tension adjusting mechanism for a copper foil surface treating machine; an upper bracket is fixed on the upper surface of a lower bracket; a guide roller is arranged in the middle of the upper surface of the lower bracket; a counterweight roller is positioned at one side of a tension adjusting roller and below the longitudinal beam of the lower bracket; the counterweight roller is hung at one end of a steel wire rope by virtue of fixed pulleys; the tension adjusting roller is positioned at the other side of the counterweight roller and above the longitudinal beam of the lower bracket; the tension adjusting roller is arranged on guide rod fixing seats positioned on the upper surface of the lower bracket; the pair of fixed pulleys are respectively arranged on the upper surface of a longitudinal beam of the upper bracket; the pair of guide rod fixing seats are respectively positioned on the upper surface of the lower bracket and the lower surface of the longitudinal beam of the upper bracket; and the positions of the two guide rod fixing seats correspond to each other. The tensile force generated by the gravity of a counterweight block is direct, and a copper foil is ensured to be tensioned since the change of the tensile force generated by the instant relaxation and tension of the copper foil can be made up by the movement of the tension adjusting roller at any time, so that the tensile force of the rolled copper foil is guaranteed to be constant. The tension adjusting mechanism has the characteristics of being simple in processing and installing as well as simple and convenient to operate, control and use.

The invention discloses a wrapping head of a wrapping machine, particularly relating to a wrapping head of a generator bar wrapping machine. The wrapping head is characterized by comprising a fixing disc with an opening, and an internal ring arranged on the side surface at one end of the fixing disc, wherein the internal ring is internally provided with a roller that can clamp a bar in a rolling way; the internal ring is externally provided with a wrapping ring that can rotate around the internal ring; the rotating speed and the rotating direction of the wrapping ring can be adjusted; openings are arranged at the positions at the internal ring and the wrapping ring, corresponding to the fixing disc; one side surface of the wrapping ring is provided with a chuck and a tensioning wheel, wherein the wrapping disc can be assembled on the chuck; and the tensioning wheel can adjust the tensioning force of a wrapping belt. The wrapping head can ensure that the wrapping belt has constant tension and is not stretched or broken during the wrapping process; the tensioning force can be freely adjusted within 1kg to 15kg, thus meeting the requirements of different strip belt materials; the superposing degree can be controlled by the superposing positions of 1/2, 1/3 and the ends, thus ensuring the wrapping belt to have uniform quality.

The invention discloses a single-shaft winding splitter provided with a pneumatic clamping device. The single-shaft winding splitter with the pneumatic clamping device comprises a frame, an unwinding device, a winding device, a guide roller set, a splitting device and the pneumatic clamping device, wherein the pneumatic clamping device comprises two cloth clipping rollers located below metal guide rollers (25), and two turnover frames (13) and two turnover pneumatic cylinders (14), which are fixedly arranged on two sides of the cloth clipping rollers; a to-be-split base material passes through between the two fabric clipping rollers. The splitter which is provided by the invention is convenient to operate and low in modification cost, can completely overcome phenomena that the thickness of the base material is uneven, a tail end is wound irregularly and reels are crossed in a splitting process, and greatly decreases the splitting consumption of the base material.

The invention discloses a steel wire rope clamping device based on air pressure transmission. The steel wire rope clamping device based on air pressure transmission comprises a steel wire rope clamping device, an air cylinder and a control cabinet. A cantilever double crawler and lower crawler ejecting and clamping structure is adopted in the steel wire rope clamping device and reasonable matching is achieved through an air pressure system, so that the clamping force of the crawlers on a steel wire rope is 25 times the tension value of the steel wire rope. Thus, self-adapting flexible control of the clamping force of an ejecting crawler and set tension is achieved. Under the condition that constant tension is exerted on the steel wire rope, the minimal deformation amount of the steel wire rope is automatically obtained and damage to the steel wire rope is avoided. In addition, constant damping force is exerted on the steel wire rope and rope disordering will not happen to the steel wire rope.

The invention discloses an automatic belt-switching vertical sanding machine tool for a robot. The sanding of parts is finished on four machine tools in the cooperation of four groups of machine tools and an industrial robot; a sanding wheel system (3) is composed of a sanding driving wheel (3.1), a fixed wheel (3.4), a pneumatic tension wheel (3.2) and a deviation-adjusting wheel (3.3), and a sand belt is tensioned on four wheels; a wheel system forward-backward device (4) is composed of a guide rail and a telescopic cylinder, a sliding table (4.3) of the guide rail is connected with a wheel system supporting board, a guide rod (4.2) of the guide rail is connected with a frame (1) of the machine tool, the telescopic cylinder (4.1) is fixed on the frame (1); a belt-unloading cylinder (5.1) is mounted on the frame (1), a belt-loading cylinder (5.2) is mounted on a machine shell (2), a sand belt prepositioning mechanism (5.3) and a sand belt pre-tensioning mechanism (5.4) are mounted on the machine shell (2) of the machine tool. The industrial robot provided by the invention can carry out continuously sanding on mass parts, the parts processing efficiency is high, and the automatic sanding of the parts is actually realized.

The invention discloses a material discharging damping device for a bag making machine, which mainly includes a fixed end, a friction damping mechanism, a pressure regulating mechanism and a transmission mechanism thereof; A pressure plate, a spline, a preload spring, a pressure adjustment mechanism including a shift fork, a shift fork spring, and an adjustment handle, and a transmission mechanism including a friction disc, a driven gear, and a driven shaft. In the present invention, the pressure plate squeezes the buffer plate, and the buffer plate further squeezes the friction plate to transfer the frictional resistance to the friction plate, and finally realizes the function of damping and discharging through the transmission mechanism, wherein the buffer plate plays a role of buffering when the pressure plate pressure changes suddenly. The function makes the unwinding more stable, ensures the constant tension during unwinding, and improves the product quality to a certain extent.

The invention provides a tensioning and rectifying system of a steel belt of a plastic film casting machine set. The system comprises the steel belt, a driving roller, a tensioning cold roller, a base, a hydraulic system and a PLC system, wherein the hydraulic system comprises a left hydraulic cylinder, a right hydraulic cylinder, pressure sensors, displacement sensors and hydraulic stations; the PLC system comprises a plurality of PID rings and AO modules; pistons of the left hydraulic cylinder and the right hydraulic cylinder are controlled to move through PID operation, and two shaft ends of the tensioning cold rollers are accordingly driven to move, so as to achieve the rectifying and tensioning of the steel belt; a side edge detecting sensor is arranged at the edge of one side of the steel belt and used for detecting the offset of the steel belt in real time; extreme position proximity switches are arranged at two sides of the steel belt and used for protecting the steel belt. The system is provided with a manual control mode for directly setting output pressure value for the left hydraulic cylinder and the right hydraulic cylinder. With the adoption of the system, the offset of the steel belt in running can be effectively kept within a fixed range, and meanwhile, the tensioning force of the steel belt is constant, and as a result, the consistency of the steel belt in running and the quality of thick cast sheets can be obviously improved.

The invention discloses an oil storing bearing mechanism relating to the technical field of spinning, plastic, papermaking and tanning. The oil storing bearing mechanism comprises a bearing base, double rows of self-aligning bearings and guiding roller shaft necks, wherein the guiding roller shaft necks arranged on the two sides of the double rows of self-aligning bearings are respectively sleeved with shaft neck abrasive discs; the two sides of the double rows of self-aligning bearings are respectively provided with a fluororubber groove oil seal, the two end surfaces of the bearing base are respectively provided with screw holes, and each screw hole is internally in threaded connection with a magnetism screw; the top of the bearing base is provided with an oil filling cup screw hole, and the front ends of the guiding roller shaft necks are respectively provided with clamp spring check ring locks for a shaft; a first oil storing groove is formed in the periphery of the inner hole wall of the bearing base, and second oil storing grooves are symmetrically formed in the inner hole walls of the bearing base on the two sides of the first oil storing groove; four oil grooves are uniformly formed in the end surface of one side, which are close to one side of the double rows of self-aligning bearing, of the fluororubber groove oil seals, a cavity is arranged on one side of the combining surface of the fluororubber groove oil seals and the double rows of aligning bearings. The oil storing bearing mechanism provided by the invention has the advantages that of being durable and reliable in performance, saving cost, reducing consumption, and being suitable for multiple heat sources.

The invention discloses a V-shaped geometric form of a middle plate structure of a middle groove. A head end (2) of a middle plate (1) of a middle groove part of a traditional scraper conveyer is designed as a V-shaped edge port with an outward obtuse angle; the V-shaped port is corresponding to a vertical surface of a center line of the middle plate to form an included angle a; a traditional straight port is remained at a tail end (3); meanwhile, the length from a sharp angle at a V end (2) of the head end of the middle plate to a flat port (3) at the tail end is a standard section length L; the shape and size consistency of the middle groove part is kept in operation; in installation and linkage, a K-shaped connecting form is formed in the head-tail connecting place of the middle plate in the middle of each section of the middle groove, so that a gap included angle is formed; and no-gap linkage is realized through head-tail leaning of the middle plate. The no-gap linkage can guarantee constant tension of a ring chain, so that the displacement and the impact of the middle groove in a working state are effectively controlled, and the turning demands needed by the formation of an S-shaped curved line in lateral displacement of the middle groove are guaranteed.

The invention discloses a synchronous belt forming device. The synchronous belt forming device comprises a rack (1), a steel wire winding mechanism (2), a steel wire output mechanism (3) and a steel belt extrusion forming mechanism (4), wherein the rack (1) is provided with a linear guide rail (5), and the steel wire winding mechanism (2), the steel wire output mechanism (3) and the steel belt extrusion forming mechanism (4) are arranged on the linear guide rail (5) in sequence; and the steel wire winding mechanism (2) comprises a first bottom plate (201), a second bottom plate (202), a reverse wheel installation plate (203), a first spindle box base (204), a first spindle box (205), a first servo motor (206), a steel wire cylinder (207) and a balance weight mechanism (208) which is used for tightening a steel wire up. The synchronous belt forming device is high in production efficiency, high in running stability and high in yield.

The invention provides a fiber feeding machine control system, relating to the technical field of carbon fiber manufacturing equipment. A touch control screen is arranged on a PLC which is connected to a servo driver through a communication line. The servo driver is connected to a servo motor through a communication line. The servo motor is connected to a fiber breaking detection device which is connected to a fiber laying machine drawing roller. A distance measuring device is connected to the PLC. A monitoring camera is arranged above a fiber feeding machine and is connected to the touch control screen. A remote host machine is connected to the touch control screen through a wireless data communication system. The constant tension of a fiber feeding system can be ensured, and the current fiber length can be detected and displayed in real time. A good man-machine communication interface also is provided, and the machine running condition can be remotely displayed and controlled in real time.

The invention discloses a constant-tension winding and unwinding hardware control system with a synchronous winding and unwinding function, wherein the system comprises a PLC, the PLC is electrically connected with a first timer and a second timer respectively, and the PLC is bidirectionally and electrically connected with a first distance sensor, a second distance sensor, a magnetic powder brake, a magnetic powder clutch, a displayer and two tension controllers respectively; and the first timer and the second timer are electrically connected with the magnetic powder brake and the magnetic powder clutch respectively. The distance sensors are arranged to assist the tension controllers in use, the distance sensors are used for measuring the specific fixed distance between the distance sensors and a material in advance, the drooping condition of the material can be measured in time at the moment that the tension drops, the tension controllers adjust the tension in time, the drooping condition of the material is avoided, long-time operation of constant tension of the system is guaranteed, the winding mechanism is prevented from winding the material which does not meet requirements when the material droops, and the quality of the material is improved.

A size and tensioning force adjusting belt drive tensioning clamp comprises a fixed board, a movable board, a casing pipe, an inner pipe and a tensioning force adjusting mechanism, wherein the fixed board comprises a fixed portion and connection portions arranged on two sides of the fixed portion; the movable board comprises a movable board body and a set of slide strips on two sides of the movable board body; the slide strips are provided with fixing grooves; one end of the casing pipe is provided with a set of open holes penetrating into the connection portions; the casing pipe is fixed to the connection portions through a set of nuts arranged on the inner side and the outer side of the casing pipe; the inner pipe is arranged inside the casing pipe; a clamping groove is formed in one endof the inner pipe; an open hole is formed in the clamping groove; the slide strips are fixed into the clamping groove through grooved sphere face cylindrical head screws; the tensioning force adjusting mechanism is arranged inside the casing pipe and the inner pipe; one end of the tensioning force adjusting mechanism is fixed to the connection portions; and the other end of the tensioning force adjusting mechanism is fixed in the inner pipe. The size and tensioning force adjusting belt drive tensioning clamp can adapt to belt drive requirements for different sizes, can be rapidly mounted, ensures the constant tensioning force, achieves general modification, can be recycled, improves the utilization rate and saves the cost.

The invention provides a traction device for a vertical aluminum alloy pipe production line. The traction device is used for drawing and extruding produced aluminum alloy pipes and comprises upright columns and a traction trolley capable of walking on the upright columns; the upper ends and/or the lower ends of the upright columns are respectively connected to a base and a lower foundation of the vertical aluminum alloy pipe production line; the aluminum alloy pipes are extruded to extend from a position below the base; the traction trolley comprises clamping pieces; and the clamping pieces are clamped at one ends of the aluminum alloy pipes, so that the traction trolley can draw the aluminum alloy pipes to move downwards.