142results about How to "Automatic tension adjustment" patented technology

Provided is an automatically adjustable clasp having two separable magnet pieces which may magnetically adhere to each other to form a closed clasp. The clasp also includes a motor, an anchor mechanism for attaching the clasp to a band, sensors, and a control unit. The sensors acquire and send information related to the clasp or the band to the control unit, which may activate the motor. The activation of the motor changes the position of the anchor mechanism with respect to the rest of the clasp, thereby loosening or tightening of the band attached to the anchor mechanism. Also provided is a wearable band with the automatically adjustable clasp. The wearable band may include a shape memory material such that the band may self-assemble around a body part when a stimulus is applied to the shape memory material. The self-assembly process may enable the automatic clasp of the magnet pieces.

The invention discloses an abrasive belt grinding device applicable to inner and outer cambered surfaces of blades of aerospace blisk. An X axis transverse feed mechanism, a Y axis transverse feed mechanism and a Z axis longitudinal feed mechanism form a grinding head feed mechanism; an A axis deflection motor, an A axis deflection bracket, a B axis motor, a gear train bracket, a C axis motor, a C axis revolving bracket and the like form a position adjusting mechanism of the grinding head. The abrasive belt grinding device provided by the invention guarantees rigidity of a grinding head mechanism and a work piece clamping mechanism through rational distribution of the grinding head feeding, the position adjustment of the grinding head and the position and angle adjustment of the work piece and through combination of space in six degrees of freedom by a short transmission chain; a contact wheel and an abrasive belt can cut into a narrow gap between two blades of the blisk, so as to ensure the contact between the contact wheel and the work piece to be stable when the contact wheel rotates at a high speed; so that the abrasive belt grinding device can improve the work efficiency, and meanwhile, dimensional accuracy of complex cambered surface of the work piece in processing can be guaranteed, the quality of the molded surface is ensured, the rate of qualified products is improved, the labor intensity of workers is reduced and the management and production costs are lowered.

The invention discloses a coiled material conveying and tensioning device, which comprises a workbench support (1), and a first guide roller assembly (2), a second guide roller assembly (3), a tensioning guide roller assembly (4) and a tensioning guide roller support assembly (5) which are arranged on the workbench support, wherein the tensioning guide roller support assembly is arranged between the first guide roller assembly and the second guide roller assembly; the tensioning guide roller assembly is erected on the tensioning guide roller support assembly; the tensioning guide roller assembly is positioned below the first guide roller assembly and the second guide roller assembly; the first guide roller assembly comprises a first guide roller; the second guide roller assembly comprises a second guide roller; the tensioning guide roller assembly comprises a tensioning guide roller; and a coiled material passes through the first guide roller, the tensioning guide roller and the second guide roller in turn to reach a tension state. The coiled material conveying and tensioning device has a simple structure and has the advantages of high response speed and capacity of automatically adjusting the tension of the coiled material at a feed end.

The invention discloses a full-automatic laminating machine which comprises an emptying mechanism, a laminating mechanism, a material collecting mechanism and a programmable logic controller (PLC), wherein the emptying mechanism is provided with a storage rack which is provided with a locating seat; the storage rack is formed by connecting two side plates by a connecting rod; the storage rack is arranged on a base in a sliding way; the base is provided with a first driving mechanism connected with the storage rack in a transmission way; a pressure sensor and a distance sensor are arranged between the emptying mechanism and the laminating mechanism; the pressure sensor is provided with a pressure transmission roller; paper passes through the distance pressure and comes round the pressure transmission roller from the upper part; a magnetic powder clutch connected with an inflatable shaft is arranged at one side of a mounting seat by a mounting plate; the locating seat comprises a fixed seat and a movable seat; the inflatable shaft is tightly held by the movable seat and the fixed seat which are in a sliding fit way. The full-automatic laminating machine is capable of automatically adjusting the tensity of the paper so as to enable the tension of the paper to be constant, is capable of automatically correcting the deviation of the paper, can be used for loading and unloading roll paper, and is more convenient and faster.

The invented continuous tractor is composed of non-polar rope hoister, steel cable tension device, shuttle, rope pressing device, rope supporting wheel, rail, steel cable and tail wheel, the non-polar rope hoister is compact in structure, and the tension of steel cable can be regulated automatically. Measures are adopted with respect to safety and protection of steel cable. It is suitable for usein narrow tunnel lanewidth and is convenient in operating, transfering, installing, maintaining, etc. It is good in technical performance and safety.

The invention relates to the technical field of textile fabric ironing, and discloses a levelling and ironing device for a textile fabric. The levelling and ironing device comprises a base, wherein symmetrical fixed frames are fixedly arranged at the upper end of the base; a screw is rotationally connected between the fixed frames; the outer side of each fixed frame is movably hinged with a connecting rod which extends to the screw; the top end of each connecting rod is rotationally connected with a compression roller; a conveyor belt is arranged in the middle of the upper end of the base; spring levers are arranged at the upper end of the base and at the front part and the rear part of the conveyor belt; and a levelling roller is arranged at the upper end of each spring lever. According to the levelling and ironing device for the textile fabric, the fabric is levelled and tensioned through cooperation of the compression rollers and the levelling rollers, the release amount of a steamroller is adjusted by using resistance variation of a photo-resistor, and fixed-point release of steam is achieved through pressing movable plates by corresponding metal balls, thereby achieving the effects of automatically adjusting the tension of the fabric, reasonably releasing the steam to iron the fabrics of different thicknesses and improving the utilization rate of the steam.

The invention relates to a fully automatic processing equipment for vehicle wire harnesses, comprising a base plate and a wire harness body, a ring cutting and stripping device is installed in the middle of the upper end surface of the base plate, and two clamping and tensioning devices are symmetrically installed on both sides of the upper end surface of the base plate; the wire harness body The two ends of the wire harness are passed through two clamping and tensioning devices respectively, and the middle part of the wire harness body is passed through the ring cutting and stripping device. The ring cutting and stripping device can realize the automatic ring cutting and wire stripping function during the processing of the wire harness body. The tensioning device can realize the automatic tensioning and clamping functions during the processing of the wire harness body. The invention can realize the integrated processing functions of automatic tensioning, clamping, ring cutting and wire stripping during the processing of vehicle wire harness, without manual operation, manual ring cutting, manual stripping, manual adjustment of tension force, and manual adjustment The clamping force has the advantages of good automatic ring cutting effect, good wire stripping quality, high wire stripping efficiency, good tension adjustment performance, good tension adjustment effect, poor clamping effect and high work efficiency.

The invention discloses a yarn sizing device for textile, and belongs to the technical field of textile equipment. The device comprises a sizing mechanism, a receiving mechanism, a discharging mechanism and a scraping mechanism, wherein the discharging mechanism comprises a discharging assembly and a yarn limiting assembly, the yarn limiting assembly is arranged at the right end of the dischargingassembly, the scraping mechanism comprises a top-surface scraping assembly and a bottom-surface scraping assembly, the top-surface scraping assembly is arranged above the bottom-surface scraping assembly, the bottom-surface scraping assembly comprises a scraping assembly and a lifting assembly used for driving the scraping assembly to rise and fall, and the scraping assembly is arranged at the top of the lifting assembly. The yarn sizing device for textile has the advantages that scraping can be automatically performed on yarn through the scraping mechanism, thereby ensuring the surface thickness of warp yarn; the tension of the yarn can be automatically adjusted through the yarn limiting assembly, thereby avoiding the phenomena of breakage, abrasion and the like of the yarn during transport.

The invention relates to a magnetic damping tension precision adjustment device which is characterized in that a wrapping tape is arranged between belt-placing plates and fixed by a paper-pressing plate; the wrapping tape passes through a tension sensor after being pulled out; a damping plate is arranged under the belt-placing plate and fixed by a connecting piece; an autorotation body is provided with a rotating bearing and is provided with the damping plate, the belt-placing plate and the paper-pressing plate in sequence; an electromagnetic coil and the autorotation body are directly fixed on a revolution body which is installed on a main shaft; a controller is connected with a sliding ring on the main shaft by a lead; a carbon brush is arranged at the end part of the sliding ring which is arranged on the main shaft; and the main shaft and a director current motor are connected by a synchronous belt wheel. The invention has stable work, and convenient operation, strong safety and reliability, can directly and automatically adjust the tension and the tension angle without stop and can also improve the production efficiency.

Provided is a self-closing and automatically fitting device for packaging (e.g. shrink wrapping, fasteners, enclosures of objects). The device includes a wrapping material and/or closure bands/straps which are made of a shape memory material and a non-shape memory material. The device also includes at least one pair of clasp members attached to the wrapping material and/or closure bands/straps. Upon stimulation by a trigger source, the shape memory material deforms and brings the wrapping material to self-assemble about an object to be packed. The self-assembly of the wrapping material and/or closure bands/straps further brings the two clasp members close to each other and facilitate the clasp thereof to form a self-assembled and closed package. The device may also include a motor, a control unit, and sensors which enable a motor actuated fine tensioning of the self-assembled and closed package.

The invention discloses a goods sorting system and a sorting method. The goods sorting system comprises a feeding device, a transmitting device, a pushing device, a kick-off device and a sorting bin. The sorting bin comprises a plurality of bin bodies; the feeding device, the transmitting device, the pushing device and the kick-off device are sequentially connected; the transmitting device is a U-shaped rotation channel which comprises a feeding line and a blanking line; the feeding device is used for conveying goods onto the feeding line; the pushing device is connected with the feeding line and the blanking line, and is used for pushing goods detected on the feeding line to the blanking line; the kick-off device is used for kicking off each goods on the blanking line into one bin body; the sorting bin is located under the kick-off device; the goods sorting system further comprises a controller; and the feeding device, the pushing device and the kick-off device are controlled by the controller. The goods sorting system is compact in structure and can realize automatic sorting of goods.

The invention provides a tension adjusting device for a belt, which comprises a drive wheel, a driven wheel, the belt, a base, a base frame, a spring and an elasticity control mechanism, wherein the drive wheel is driven by a motor to rotate; the belt is sleeved between the drive wheel and the driven wheel; the base frame is used for supporting the driven wheel and is arranged on the base, and can move on the base; the spring is used for adjusting the tension of the belt; and the elasticity control mechanism is used for selectively releasing or accumulating the elasticity of the spring and regulating the distance between the driven wheel and the drive wheel. The base frame and a position wheel of the driven wheel are locked at proper positions through rigid trips on the base frame and elastic chucks that are matched with the rigid trips and are arranged on the base so that the belt is installed, a pressing piece is pressed after the belt is installed, the elastic chucks separate from the rigid trips, and the belt is tightened. When the belt is dismounted, the base frame is pushed, the elastic chucks are buckled with the rigid trips, the distance between the drive wheel and the driven wheel is shortened, therefore, the belt can be conveniently dismounted. The displacement of the belt is the same as the combination of the dismounting and the mounting of the belt.

The invention discloses a multi-filter paper full-automatic winding machine, which comprises a filter core skeleton transport positioning mechanism, a skeleton tension winding mechanism, a filter paper transport positioning cutting mechanism, and a tape transport pasting mechanism; the filter core skeleton transport positioning mechanism sends the filter core skeleton to to the skeleton tensioning and winding mechanism; the skeleton tensioning and winding mechanism tightens the filter element skeleton and drives the filter element skeleton to rotate; the filter paper conveying positioning and cutting mechanism is provided with multiple, and each filter paper conveying positioning and cutting mechanism is equipped with A filter paper roll; the filter paper transport positioning and cutting mechanism sends the filter paper on the corresponding filter paper roll to the filter element skeleton expanded by the skeleton expansion and winding mechanism; the tape conveying and pasting mechanism sticks the filter paper to the filter element skeleton through tape superior. The invention realizes the full automation of the winding production of the filter element and filter paper, reduces the labor intensity of the production personnel, improves the production efficiency, and has broad market prospects.

A cargo restraint system includes a body, a first connecting end and a second connecting end on opposing sides of the body, wherein the first and second connecting ends are coupled to a securing member which is used to restrain the cargo. One or more load sensors are coupled to the first connecting end and/or the second connecting end. A controller is coupled to the one or more load sensors. The controller is configured to receive tension information from the one or more load sensors. The controller includes a transmitter capable of transmitting the tension information to a remote device. The controller may include a database to store the information.

The invention relates to silicon wafer cutting equipment, in particular to silicon wafer cutting equipment with a function of automatic tension adjustment, which belongs to the technical field of cutting machinery. The silicon wafer cutting equipment comprises a wire unwinding roll, a wire winding roll and guide rolls, wherein steel wires are arranged on the wire unwinding roll; the steel wires unwound by the wire unwinding roll are wound on the guide rolls and then wound by the wire winding roll; the wire unwinding roll is connected with a wire unwinding driving mechanism through a wire unwinding transmission mechanism; the wire winding roll is connected with a wire winding driving mechanism through a wire winding transmission mechanism; the silicon wafer cutting equipment with the function of automatic tension adjustment further comprises a microprocessor system; the control end of the wire unwinding driving mechanism and the control end of the wire winding driving mechanism are connected with the microprocessor system respectively; and a tension detecting mechanism is arranged between the wire unwinding roll and the guide rolls. Due to adoption of the technical scheme, the silicon wafer cutting equipment with the function of automatic tension adjustment can automatically adjust the tensions in the wire unwinding and wire winding processes; and the tension adjustment is precise and timely.

A cargo restraint system a locking ring coupled to an extension tube, wherein the locking ring comprises an annular body and one or more tabs extending from the annular body. The cargo restrain system also includes a locking tube coupled to the main body. The locking tube comprises one or more grooves complementary to the shape and size of the tabs on the locking ring. The grooves of the locking tube inhibit rotational movement of the locking ring.

The invention discloses a production assembly line and production technology of an optical unit sheath. The production assembly line comprises a paying-off device, a tension controller, a hot melt adhesive coating device, a first extruding machine, a preliminary cooling water tank, a second extruding machine, a complete cooing water tank, an online external diameter monitor and a take-up device which are arranged successively; a stainless steel pipe is coiled on the paying-off device; and the tension controller controls a tension force, the hot melt adhesive coating device coats a surface with an adhesive, the first extruding machine carries out first plastic extrusion of the sheath, the preliminary cooling water tank carries out preliminary cooling, the second extruding machine carries out secondary plastic extrusion of the sheath, the complete cooing water tank carries out complete cooling, the online external diameter monitor detects an external diameter value, and the take-up device carries out rolling. According to the invention, the thickness and external diameters of prepared optical units are uniform, the radial water-blocking performance is high, the stainless steel pipe is combined with the sheath tightly, and the vertical water blocking performance is high.

The invention discloses a fully-automatic Mahjong machine. The fully-automatic Mahjong machine comprises an operating disk mechanism, a shuffling mechanism, conveying mechanisms, stacking, lifting and pushing mechanisms and tile feeding mechanisms; the operating disk mechanism is positioned in the center of the Mahjong machine; the shuffling mechanism is positioned at the bottom of the Mahjong machine; the conveying mechanisms, the stacking, lifting and pushing mechanisms and the tile feeding mechanisms are positioned on the four sides of the Mahjong machine; the conveying mechanisms and the stacking, lifting and pushing mechanisms are arranged below the tile feeding mechanism; each tile feeding mechanism comprises a bracket, a tile feeding motor, a tile feeding rocker arm, a tile lifting plate, a tile lifting plate supporting block, a tile lifting motor and a tile lifting rocker arm; a tile feeding rail groove and a tile lifting groove are formed the bracket; the tile feeding rail groove is ring-shaped; and the inlet of the tile lifting groove is communicated with the outlet of the tile feeding rail groove. The conveying mechanisms, the stacking, lifting and pushing mechanisms and the tile feeding mechanisms are small in volume, small in occupied space, small in part quantity and low in cost, and the miniaturization as well as lighting and thinning requirements of the fully-automatic Mahjong machine are met.