98results about How to "Moderate tension" patented technology

The invention discloses an extrusion type coating system of a power lithium battery base band. The extrusion type coating system of the power lithium battery base band comprises an unwinding mechanism, a feeding device, a machine head coating device, a tension control device, a drying heating device, a tail deviation rectifying device and a winding mechanism. The unwinding mechanism releases the base band at a constant speed. The feeding device provides a stable sizing agent. The machine head coating device disperses the sizing agent to be uniform and discharges and coats the sizing agent to the base band along the position of a gap of an outlet of an extrusion mold head. The drying heating device dries the wet sizing agent coated to the base band. The winding mechanism winds the coated and dried base band. The tail deviation rectifying device can guarantee that the base band is tidy during taking up, operation of following working procedures is facilitated, and the tension control device can guarantee the best tension degree of the base band.

The invention provides a preparation process of a graphene conductive film. The preparation process is of simplicity and has high efficiency. According to the preparation process, a dry preparation process is adopted. The dry preparation process includes the following steps that: a graphene-based conductive functional agent, a binder dispersion, and an auxiliary are thoroughly mixed so as to forma semi-dry slurry; and the semi-dry slurry is subjected to a vertical rolling procedure a, a guide traction procedure b, a thermal rolling procedure c, a transfer procedure d, a cold rolling proceduree and a blowing procedure f, so that a graphene conductive film is obtained. With the preparation process of the invention adopted, the continuous preparation of the graphene conductive film is realized, process steps such as mixing and dispersing, slurrying and coating are avoided; and the procedures are optimized, and efficiency can be improved, and therefore, costs can be saved, high-speed non-stop preparation is realized, and a process flow is simplified.

The invention provides a film supply device used for providing a film belt with one face being a glued adhesive face for a film pasting device. The film supply device comprises a vertical plate (19). The vertical plate (19) is provided with an edged barrel (20) used for installing and rolling a film belt (3), and a wheel set tension mechanism used for enabling the film belt (3) to be wound and forming tension. The wheel set tension mechanism comprises three edgeless upper wheels (22) and two edged lower wheels (23), all of which are used for winding of the film belt (3). A vertical guide rail (24) and a sliding block (25) capable of vertically sliding along the vertical guide rail (24) are arranged below the upper wheel (22) arranged in the middle position. The two lower wheels (23) are symmetrically arranged on the sliding block (25) and located on the left side and the right side of the sliding block (25). The film supply mechanism further comprises a sixth wheel (26) for guiding the film belt (3) to the film pasting device, and a film clamping device (27). The film supply device is high in automation degree and operation efficiency, and the consistency of the supplied film belt is good.

The invention relates to a traction device (1) for straining at least a flat winding strip in a winding process. The traction device (1) comprises at least two rotary rollers (5, 6) connecting with each other through the circumference to guide the flat winding strip to pass through the rollers, wherein at least one roller (5) is connected to a motor driving system (8) for controlling roller speed, thus a predetermined tension is generated on the flat winding strip during the winding process.

An image display unit provided with an image focusing member for focusing an image of a point light source on a pupil of an observer as means for projecting images displayed on a transmission type image display plate, which is capable of following the movement of the observer with a simple construction.

A point light source array 12 composed of a large number of point light sources 120 which are arranged dispersedly in a plane direction in an array is provided such that the point light source 120 to be focused on the pupil shifts to its adjacent point light source 120 even when the observer moves. The ratio of the interval between adjacent point light sources 120 to the distance from the point light source array 12 to an image focusing member 13 is determined to become equal to the ratio of the diameter of a pupil of a person to the distance from the image focusing member 13 to the image focusing position of the point light source 120, thereby preventing the existence of an observation disabling area while avoiding the viewing of superimposed images.

This invention provides a method for clamping material, wherein a product that has no creases can be manufactured, even if the material has a complex shape, and the method can improve a yield of the product, and can reduce the cost of the dies. Also, the present invention provides a material-clamping unit used for the method. The method of clamping materials of the present invention is used for a forming machine that will form thermoplastic sheet material by an upper and a lower die, which sheet material is heated in advance to a predetermined temperature in heating furnace, and thus softened, comprising the steps of: holding both edges of the sides in the running direction of the thermoplastic sheet material, and then transferring the material between the upper die and the lower die of the forming machine; holding the rear and front edges of the sides of the thermoplastic sheet material, which sides are perpendicular to the running direction of the thermoplastic sheet material; and lowering the edges of the sides in the running direction of the thermoplastic sheet material and the rear and front edges of the sides of the thermoplastic sheet material, which sides are perpendicular to the running direction of the thermoplastic sheet material, so that the sheet material will fit in the upper die.

The invention discloses a tension-adjustable extruding and drawing device of a drawing frame. The tension-adjustable extruding and drawing device of the drawing frame comprises a base, wherein four first fixing plates are symmetrically welded to the top end of the base; limiting grooves are separately formed in the middles of each two first fixing plates; a first connecting rod is embedded in eachlimiting groove, and toothed plates are separately welded to two ends of each first connecting rod; a second connecting rod is welded between the two toothed plates, and one end surfaces of the two toothed plates are connected with gears in an engaged manner; and a crank is welded to one end surface of each gear, and a rotating rod is arranged between the two gears. The gears, the toothed plates,the cranks, the first connecting rod and the second connecting rod are respectively arranged on the two sides of an extruding roller, so that slivers to be extruded on the two sides of the extrudingroller can be adjusted in different tensioning degrees, the tensioning degrees of the slivers to be extruded on the two sides of the extruding roller are conveniently kept moderate, the extruding effect is good, and the drawing efficiency is improved.

The invention relates to a yarn tension adjusting mechanism. The yarn tension adjusting mechanism is characterized by comprising a body, a yarn outgoing guide hole, a yarn incoming guide hole, a yarn bearing wheel, a ratchet sleeve, an adjusting rod, an adjusting rotary arm, a compression wheel and a spring, wherein the yarn outgoing guide hole is fixedly formed in one side of the body, the yarn incoming guide hole is fixedly formed in the other side of the body, the yarn bearing wheel is rotationally installed on the body, the yarn bearing wheel is sleeved with the ratchet sleeve provided with a plurality of ratchets, the adjusting rod is rotationally installed on the body, the adjusting rotary arm is rotationally installed on the body, the compression wheel is rotationally installed at the free end of the adjusting rotary arm, the spring is tensioned between the body and the adjusting rotary arm, and the yarn breakage detection device is arranged on the yarn bearing wheel. The yarn tension adjusting mechanism is simple in structure and easy and convenient to use, the produced yarn is moderate in tension, the yarn can enter a weaving machine at gentle and stable speed, and the yarn tension adjusting mechanism well meets the requirement for textile industry production, and has the quite positive significance.

The invention discloses a splash-proof foam agent based on a Gemini quaternary ammonium salt surfactant and a preparation method for the same. The splash-proof foam agent includes a surfactant, a foam stabilizer, a thickener, an emulsifier, a pushing agent, a sterilization cleaning agent and deionized water. The invention also discloses preparation methods for the Gemini quaternary ammonium salt surfactant and the splash-proof foam agent. The Gemini quaternary ammonium salt surfactant can stabilize foams and maintain a proper surface tension and certain strength of the foams, and also reduces the use amount of the foaming agent in the splash-proof foam agent without reduction on generation quantity of the foams. The splash-proof foam agent based on the Gemini quaternary ammonium salt surfactant can completely prevent water splashing generated when sewage falls into a collection container, and also has the effects of deodorization and is anti-bacterial. The splash-proof foam agent is suitable for large-scale promotion.

The invention discloses a metal terminal rolling and packaging machine, comprising a host machine. The host machine comprises a case, a material guiding device, a material discharging device, a packaging device and a control system, wherein a slipway for conveying a metal terminal string and a count detection device are arranged on the material guiding device; the material discharging device comprises a material discharging pedestal; a material discharging step motor is fixed on the material discharging pedestal; the material discharging step motor is connected with a material discharging ball screw; a material discharging slide block is screwed to the material discharging ball screw and fixed with the material guiding device; the packaging device consists of a paper releasing device, a paper conveying device and a rolling device arranged at the front side of the case respectively; a cutter device is arranged on the paper conveying device; the control system obtains the number of rolled metal terminals according to rotation turns of a counting wheel disc, and outputs a corresponding control signal according to the rolled number to control the operations of the material discharging device and the packaging device. with the adoption of the metal terminal rolling and packaging machine, the integration of packaging and rolling of the metal terminal is realized, the control precision is high, the operation is simple, discharging is uniform and tension is moderate, therefore, the production efficiency is improved and labor is saved.

The invention discloses a cable laying frame for mining machinery and a using method thereof. The cable laying frame comprises a first supporting frame and a second supporting frame which are fixedly installed on the inner edge of a mine roadway, the first supporting frame and the second supporting frame are arranged in a crossed mode, and an upper clamping plate and a lower clamping plate are slidably connected to the outer surface of the first supporting frame; driving motors are fixedly mounted on the side faces of the first supporting frame and the second supporting frame correspondingly, and a flexible pad is fixedly mounted on the side, facing the upper clamping plate, of the lower clamping plate. According to the cable laying frame for the mining machinery and the using method thereof, the first supporting frame and the second supporting frame which are arranged on the side face of the mine roadway are used in cooperation, and the outer surfaces of multiple strands of cables are clamped in the clamping grooves between the upper clamping plate and the lower clamping plate; therefore, a plurality of layers and strands of cables can be quickly fixed on the laying frame from the upper side of the roadway, the cables do not need to be transported into the roadway and then lifted to the laying frame, and a large amount of carrying and mounting time is saved.

The invention provides a slitting device of a wool comber and belongs to the technical field of textile machines. The slitting device of the wool comber comprises a web conveying mechanism, a slitting mechanism and a tension mechanism, wherein an upper web conveying roller and a lower web conveying roller of the web conveying mechanism are vertically adjacent but do not make contact with each other; a slitting roller of the slitting mechanism is provided with first slitting notches at equal intervals; a first guide roller, a second guide roller and a third guide roller are each provided with second slitting notches at equal intervals; an adjusting roller is a smooth roller; the tension mechanism comprises a tension wheel, an adjusting weight and a fixed sliding groove; a bracket is arranged in the fixed sliding groove in a vertically sliding mode through a pulley; the adjusting weight is arranged below the bracket; a belt is arranged among the slitting mechanism, a first supporting wheel, a second supporting wheel, the tension wheel, a left guide wheel and a right guide wheel in a closed slitting and surrounding mode. Only one belt is adopted for slitting, the uniformity of slitting a web into wool tops is greatly improved, and the quality of the wool tops is improved effectively.

The invention discloses braid production equipment. The equipment comprises a frame (2), wherein a horizontal supporting plate (4) is fixedly arranged on the frame (2); a straight rod (6) vertically penetrates through the supporting plate (4) and is capable of moving vertically; the top end of the straight rod (6) is connected with a tension spring (8); a rotatable pull rod (10) is arranged above the tension spring (8); the two ends of the pull rod (10) are respectively connected with the tension spring (8) by a pull rope (12); the bottom end of the straight rod (6) is fixedly connected with a box body (11); a plurality of weight blocks (14) are arranged in the box body (11). The braid production equipment disclosed by the invention can be used for enabling a braid to have a relatively suitable tensile force during production and is also simple and practical in structure and convenient to use.

The invention relates to a cloth tension control device. Cloth to be reeled bypasses a first roller and then is collected to a second roller. The cloth tension control device is characterized by comprising a control unit, a first tension sensor, a second tension sensor, a first driving unit and a second driving unit, wherein the first tension sensor and the second tension sensor are electrically connected with the control unit and are arranged on the first and second rollers respectively; the first and second driving units are used for driving the first roller and the second roller respectively; and the control unit is electrically connected with the first and second driving unit. In the tension control device, the first and second tension sensors are used for acquiring tension on the two rollers of a cloth collection device and transmitting the tension to the control unit, and the control unit is used for adjusting the rotating speed of a corresponding roller according to the magnitude of the tension on the two rollers, so that the cloth to be reeled keeps appropriate tension; therefore, process efficiency and the quality of finished cloth are improved.

The invention provides a paper cutting and winding device of extremely-thin glass fiber paper. The paper cutting and winding device comprises a lifting air cylinder, a slitting beam and slitting frames, wherein the two sets of slitting frames are mounted at the positions, at the two ends of a conveying roller, of a rack, the lifting air cylinder is mounted on the tops of the slitting frames, a piston rod of the lifting air cylinder is connected with the slitting beam in a perpendicularly-downward manner; the mounted slitting beam is located above the conveying roller and is parallel to the conveying roller; a slitting mechanism is arranged on one side of the slitting beam, and the other side of the slitting beam is provided with a paper pressing mechanism matched with the slitting mechanism; and a paper winding mechanism matched with the slitting mechanism is arranged at the output end of the rack. The paper cutting and winding device has the beneficial effects of being simple in structure, good in using effect and tight in wound paper.

The invention discloses a screen cloth fixing structure for a square swinging screen. The screen cloth fixing structure comprises a square screen cloth, an S-shaped spring clip and a screen frame, wherein a plurality of strip holes are uniformly distributed on a screen frame on both sides of the square screen cloth; both sides of the bottom plate of the screen frame respectively turn up to form U-shaped clamping grooves of which the openings are opposite; and the top end of the S-shaped spring clip extends vertically to form a vertical clamping edge in interference fit with the strip holes of the square screen cloth, and the bottom end of the S-shaped spring clip extends transversely to form a transverse clamping edge in interference fit with the U-shaped clamping grooves of the screen frame. According to the screen cloth fixing structure disclosed by the invention, the screen cloth can be conveniently and quickly replaced, the working time is saved, the tension of the screen cloth is moderate, the service life of the screen cloth is prolonged, and the screening efficiency is improved.

The invention relates to a zipper discharging device for a bag making machine. A side plate is fixed to a bottom plate. One end of a roller shaft is installed on the side plate. A roller is installed on the roller shaft through a third bearing in a supported manner. A blocking step is arranged at one end of the roller. A blocking ring is installed at the other end of the roller. One end of a swing rod is connected to the roller shaft through a second bearing. A first movable guide roller and a second movable guide roller are installed at the other end of the swing rod. One end of a swing arm is fixed to the swing rod, and the other end of the swing arm is connected with the side plate through a tension spring. The rear end of a locking base is hinged to the side plate, a long groove is formed in the front portion of the locking base, and the distance between the center of the long groove and the rotary center of the roller shaft is gradually increased from the back to the front. A brake block is fixedly installed in the middle of the locking base. A small shaft is installed on the swing rod and penetrates the interior of the long groove in the locking base. A fixed rod is fixedly installed on the side plate, and a first fixed guide roller and a second fixed guide roller are installed at the upper end of the fixed rod. Zippers can keep proper tension in the discharging process, the discharging effect is good, working efficiency is improved, and labor intensity is relieved.

The invention discloses a full-automatic precise film cutting machine. The full-automatic precise film cutting machine comprises an installation rack, wherein the installation rack is internally provided with a plate conveying belt and a plurality of paired film cutters arranged above the plate conveying belt in a suspending manner; the cutter distance of any group of film cutters is fixed and adjusted; the plate conveying belt also comprises constant-tension devices arranged at the two sides. The full-automatic precise film cutting machine disclosed by the invention has the advantages that when automatic precise film cutting is carried out, a protective film maintains proper tension by the constant-tension devices, edge-maintaining cutting is carried out on the protective film by the film cutters according to the fixed cutter distance, the procedures of downstream customers are solved in advance before a product is delivered, so that the two-win purpose of enterprises and the customers is realized, and the production efficiency and the industrial competitive advantage of a whole industrial chain are improved simultaneously.

The invention relates to a glove making machine. The glove making machine comprises an emptying device, a forming mold and a material receiving device which are sequentially arranged, wherein the emptying device comprises an emptying frame, two sets of emptying equipment, namely upper emptying equipment and low emptying equipment are arranged on the emptying frame, each set of emptying equipment comprises a material roll frame arranged at the front end of the emptying frame, and material rolls are arranged in the material roll frames; emptying glue rolls and driving devices are arranged on the emptying frame, and the driving devices are used for driving the emptying glue rolls; two oscillating bars on the same plane are further arranged on the emptying frame, one ends of the oscillating bars are hinged with the emptying frame, a plurality of lower support rods are arranged between the two oscillating bars, and a plurality of upper support rods are arranged at upper positions corresponding to the lower support rods in the emptying frame; transition wheels are arranged at the rear end of the emptying frame; after passing through the emptying glue rolls, plastic films in the material rolls are arranged in an S shape between the lower support rods and the upper support rods in an inserted manner and finally enter the forming mold through the transition wheels. According to the glove making machine, a forming procedure can be carried out continuously; proper tensions of the plastic films can be maintained and the quality of a product is improved.