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119results about How to "Stay tight" patented technology

High-precision slitting and rewinding device for high-barrier thermal shrinkage film production

The invention discloses a high-precision slitting rewinding device for high-barrier thermal shrinkage film production. The high-precision slitting rewinding device comprises a base and a box body, wherein an unwinding roller and a winding roller are symmetrically and rotationally arranged on the left side and the right side of the interior of the box body, two first guide rollers are rotationallyinstalled at the part, on the right side of the unwinding roller, inside the box body, two second guide rollers are rotationally arranged at the parts, on the left side of the winding roller, inside the box body, two through holes are symmetrically formed in a top plate of the box body, and two parallel rollers are symmetrically and rotationally arranged at the parts, on the inner sides of the twothrough holes, of the upper side of the top plate of the box body. According to the high-precision slitting rewinding device, the first guide rollers, the parallel rollers and the second guide rollerare arranged in a staggered mode, so that a shrinkage film in the moving process is tightened, the shrinkage film is kept in a tight state in the cutting process, then the cutting effect is improved,and then the cutting precision is improved; and the height of lifting frames is adjusted by rotating second screw rods, so that pressing rollers are tightly attached to the shrinking film on the parallel rollers, and it is ensured that the shrinking film is kept tight during cutting.
Owner:SHANDONG ZHONGSU TAIFU TECH

A vacuum attachment apparatus for contact lithography of a flexible thin film substrate

The invention provides a vacuum attachment device for contact lithography of a flexible film substrate, comprising a vacuum pump, a frame, a flapper valve, a support table limiter, a vacuum chamber, amask support table, a bleed valve, a vacuum gauge, a top pressure mechanism, a sealing door opening/closing mechanism, a sealing door, a film holder, a flexible film, a sealing pad, and a photolithography mask. Wherein the mask support table can carry the photolithography mask and the film to be attached to move into and out of the vacuum chamber, the lithography mask is separated from that flexible film and spaced apart with the sealing pad, the support table limiter realizes positioning of the mask support table, the sealing door is closed, the vacuum pump and vacuum gauge control the degree of vacuum, As that action of the top pressure mechanism lowers the film support, the flexible film is in close contact with the sealing pad on the surface of the mask plate to form an airtight space, the pressure difference introduce by the vacuum is broken outside the airtight space by the bleed valve, the airtight space is compressed, the flexible film is closely adhered to the surface of themask plate, the mask support table is taken out and the mask plate and the flexible film are treated as a whole to be exposed.
Owner:INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI

Fastening-type yarn waxing mechanism for spinning

The invention discloses a fastening-type yarn waxing mechanism for spinning. The mechanism comprises a rack, wherein a waxing assembly and a yarn transmission assembly are disposed on the rack; the waxing assembly comprises vertical plates disposed on two sides of the rack; each of the adjacent sides of the vertical plates is correspondingly connected to an expansion rod; the expansion rods are disposed horizontally; each expansion rod comprises a fixed rod and a movable rod; the fixed rod is connected to the vertical plate; a fixation ring sleeves the fixed rod; four notches are formed at equal intervals on the fixation ring; the fixation ring is connected to a triangular plate by the notches; the triangular plates are connected to the vertical plates; one end of each of the two movable rods is correspondingly equipped with a fixation box; a fixation disk sleeves each movable rod; multiple installation holes are formed in the fixation disk; the fixation disk is firmly connected to the fixation box by the installation holes; a groove is formed correspondingly on each of the adjacent sides of the two fixation boxes; a wax block used for yarn waxing is disposed in each groove; multiple round grooves are formed in the upper side and the lower side of the groove; hoodles are disposed in the round grooves; gas pumps are disposed on both of the vertical plates; and each gas pump is connected to the expansion rod on the corresponding side.
Owner:SUZHOU KANGJIAN TEXTILE

Uniform yarn waxing mechanism for spinning

The invention discloses a uniform yarn waxing mechanism for spinning. The mechanism comprises a rack, wherein a waxing assembly and a yarn transmission assembly are disposed on the rack; the waxing assembly comprises vertical plates disposed on two sides of the rack; each of the adjacent sides of the vertically plates is correspondingly connected to an expansion rod; the expansion rods are disposed horizontally; one end of each of the two expansion rods is correspondingly equipped with a spiral vertical rod; the spiral vertical rod comprises a U-shaped plate; the U-shaped plate is connected to the expansion rod; one rotary bearing is disposed correspondingly on the upper end and the lower end of the U-shaped plate; a screw rod is disposed between the rotary bearings; a stepping motor connected to the screw rod is disposed on the top of the U-shaped plate; a connecting part is disposed on the screw rod; the connecting part is connected to a fixation box; a groove is formed correspondingly in each of the adjacent sides of the two fixation boxes; a wax block used for yarn waxing is disposed in the groove; multiple round grooves are formed in the upper side and the lower side of the groove; hoodles are disposed in the round grooves; gas pumps are disposed on the vertical plates; and each gas pump is connected to the expansion rod on the corresponding side. The mechanism disclosed by the invention has the advantages of a simple structure, convenient use and fewer yarn losses, etc.
Owner:SUZHOU KANGJIAN TEXTILE

Endoscopic surgery system aiming at endometrial repair and applications of endoscopic surgery system

The invention discloses an endoscopic surgery system aiming at endometrial repair and applications of the endoscopic surgery system, belonging to the technical field of medical apparatus and instruments. The system comprises a multi-cavity sleeve with a plurality of processing channels, a visible imaging system, a sacculus placement apparatus, a flexible apparatus and the like, wherein the multi-cavity sleeve is provided with a large processing channel, a visible endoscope channel, flexible apparatus channels and water outlet channels; the visible imaging system is used for providing a visible environment in the endometrial repair process, and is placed in the visible endoscope channel; the sacculus placement apparatus is used for conveying a collagen membrane into the uterus, spreading the collagen membrane, keeping the attaching state of the collagen membrane and the uterus wall, and conveying the collagen membrane into the uterus through the large processing channel of the multi-cavity sleeve; the flexible apparatus is used for enabling the collagen membrane to reach the preset repair position and flat spreading the collagen membrane after the collagen membrane is placed into the uterus. With the endoscopic surgery system, the examination for the uterus wall, the placement and spreading of the collagen membrane, the tight attaching of the collagen membrane to the uterus wall and other operations can be realized under the visible condition, and therefore, the surgery success rate and efficiency are greatly improved.
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI

Doubling machine

The invention discloses a doubling machine comprising a machine box. The machine box is internally provided with a horizontal separation plate, a yarn releasing device, a plying device, a second yarn winding hole and a yarn winding device. The doubling machine further comprises a humidifying device arranged between the yarn releasing device and the plying device. A water tank is arranged at the bottom of the humidifying device and is internally provided with an ultrasonic nebulizer. A nebulization box is fixed to the top end of the water tank and is a hollow box. The side, close to the yarn releasing device, of the nebulization box is provided with a yarn inlet. The side, opposite to the yarn inlet, of the nebulization box is provided with yarn pressing roller sets of the same number. Each yarn pressing roller set comprises two rollers. The axes of the rollers are parallel in the longitudinal plane. The rollers make contact with one another. Each yarn pressing roller set further comprises a roller frame. The two ends of rotary shafts of the rollers are fixed to the roller frames. Springs are fixed to the unoccupied ends of the roller frames and are located on the upper sides and the lower sides of the yarn pressing roller sets. The unoccupied ends of two springs are fixed to the nebulization box. Yarn enters the nebulization box through the yarn inlet and penetrates out between two rollers of the yarn pressing roller sets. Through the doubling machine, the doubling quality can be improved effectively.
Owner:TAIHE COUNTY TAIQING TEXTILE RAW MATERIAL CO LTD

Method and device for receiving material by plurality of material receiving devices through unloading equipment

The invention discloses a method and a device for receiving a material by a plurality of material receiving devices through unloading equipment. The device comprises a car body, a walking driving device and an electric control device, wherein a driving bracket is arranged on the top of the car body and the walking driving device is placed on the driving bracket; two sides of the driving bracket are respectively provided with driving wheels; the driving wheels are connected with the walking driving device and a transmission plate is arranged above the driving wheels; the driving wheels are connected with the transmission plate in a rolling manner; the other end of the car body is provided with an unloading rotary barrel and the other end of the car body is provided with a redirection rotary barrel; a fixed redirection rotary barrel is arranged below the car body and a rubber belt sequentially winds around the unloading rotary barrel, the redirection rotary barrel and the fixed redirection rotary barrel; wheels are arranged at the bottom of the car body and the wheels are arranged on a walking rail; and the side face of the car body is provided with an electric control device and the electric control device is connected with the walking driving device through a cable. The device disclosed by the invention has the advantages of capability of overcoming defects of traditional material transportation, strong carrying capability, complete protection measure, firm structure, long service life and the like.
Owner:HUADIAN HEAVY IND CO LTD

Assembly type kitchen and bathroom air conditioner dust prevention structure

The invention relates to the technical field of air conditioner dust prevention, and discloses an assembly type kitchen and bathroom air conditioner dust prevention structure. The assembly type kitchen and bathroom air conditioner dust prevention structure comprises a dust prevention outer frame, a dust prevention cover is clamped to the bottom of the inner side wall of the dust prevention outer frame, a first dust prevention net is arranged in the middle of the inner side wall of the dust prevention cover, a sliding groove is formed in one side of the dust prevention cover, and a sliding plate is movably connected to the inner side wall of the sliding groove; and reset springs are arranged on one side of the sliding plate, a buckle device is arranged on the other side of the sliding plate, a mounting plate is arranged on one side in the dust prevention outer frame, a motor is arranged on one side of the mounting plate, a winding mechanism is arranged on the side, close to the motor, of the upper surface of the mounting plate, and a storage mechanism is arranged on the other side of the upper surface of the mounting plate. According to the assembly type kitchen and bathroom air conditioner dust prevention structure, through the arrangement of the mounting plate, the motor, the winding mechanism and the storage mechanism, the motor works to drive winding rollers to rotate, the winding rollers rotate to enable a second dust prevention net with dust after use to be wound around the surfaces of the winding rollers, and then the second dust prevention net is replaced.
Owner:GOLD MANTIS FINE DECORATION TECH SUZHOU CO LTD

Tension constant resistor capable of calculating difference of alternating current and direct current

The invention provides a tension constant resistor capable of calculating difference of alternating current and direct current, which is applicable to a coaxial-line hang-spring structure and is provided with a tension device enabling a resistance wire to keep in a tight state all the time. The tension constant resistor improves the stability of a resistor structure capable of calculating the alternating current and the direct current. The tension constant resistor comprises an inner metal sleeve and an outer metal sleeve which are coaxial, a mono-wire linear resistance wire is located in the central axial of the inner metal sleeve, the resistance wire adopts a duel-hole return wire method to be connected with a back end face of the inner metal sleeve and then to be connected with the a back end face of the outer metal sleeve in a pressure welding mode. A front end face center hole is respectively arranged in the central positions of front end faces of the inner metal sleeve and the outer metal sleeve, the resistance wire sequentially penetrates through the front end face center holes of the inner metal sleeve and the front end face center hole of the outer metal sleeve, and the tension device enabling the resistance wire to keep in the tight state is arranged at the position where the resistance wire penetrates from the front end face center hole of the outer metal sleeve.
Owner:BEIJING DONGFANG MEASUREMENT & TEST INST

IMT in-mold transfer printing device and method

The invention discloses an IMT in-mold transfer printing device. A bearing base and an injection molding framework base arranged on the upper surface of the bearing base are included; a base materialfeeding mechanism is arranged at the upper end of the injection molding framework base; a waste film winding mechanism for reeling base material waste subjected to injection molding cutting is arranged in the bearing base, and a material receiving tensioning mechanism is further arranged above the waste film winding mechanism; and the upper surface and the lower surface of the injection molding framework base are each provided with an injection molding base material compensating mechanism for compensating for the mold closing extruding length of a base material. The invention further relates to a transfer printing method. A base material passes through the injection molding framework base in the vertical direction; the injection molding framework base performs mold closing, and the injection molding base material compensating mechanisms provide a pressed movement amount of the base material; the injection molding framework base performs mold opening, and the injection molding base material compensating mechanisms automatically return. Due to the scheme, the base material movement amount can be compensated for in the injection molding extruding process, the transfer printing qualityproblem caused by the fact that the surface tension of the base material at the injection molding position is too large is solved, the production quality of in-mold transfer printing is improved, using is convenient and fast, the control principle is simple, and the production quality is improved.
Owner:东莞华誉精密技术有限公司

Board polishing device for furniture production

The invention relates to the field of furniture production, in particular to a board polishing device for furniture production. The board polishing device comprises a housing, a feeding opening, a discharging opening, polishing driving wheels and a polishing belt, wherein the polishing belt is arranged on the two polishing driving wheels in a surrounding manner; a row of pressing wheels which arehorizontally and uniformly arranged are arranged on the polishing belt on the lower side, and are mounted on a horizontal lower supporting frame through a rotating shaft; supporting rods which vertically penetrates upwards through a bracket are fixedly connected to two ends of the lower supporting frame; the upper ends of the supporting rods are fixedly connected with a horizontal crossbeam; a horizontal conveying mechanism is horizontally arranged in the feeding opening; and the boards are placed on the mechanism. According to the board polishing device disclosed by the invention, the pressing wheels are arranged, so that the polishing belt is pressed on the board, the polishing region is enlarged, and the polishing efficiency is improved; the boards are pushed on the horizontal conveyingmechanism, and through the block of a pushing plate, the phenomenon of slipping cannot be generated, and the polishing is guaranteed; and a baffle can be recycled, so that the mounting time is shortened, and the production efficiency is improved.
Owner:张玉真

Automatic metal surface treatment device

The invention discloses an automatic metal surface treatment device which comprises a left vertical plate, a right vertical plate, a beam plate, a carrier plate, a base plate, a clamp base, a pressing-down mechanism and an abrasive belt. The left vertical plate and the right vertical plate are arranged in parallel. The beam plate is in bridging connection with the left vertical plate and the rightvertical plate. An output shaft of a motor is provided with a driving wheel, the driving wheel is in transmission connection with a driving auxiliary wheel through a belt, an air cylinder is vertically installed on the front surface of an installation plate, a piston rod of the air cylinder is fixedly connected with a pressing-down plate, a middle shaft is sleeved with a left fixing ring and a right fixing ring from the two ends of a supporting sleeve, the left fixing ring and the right fixing ring make close contact with the two end faces of the supporting sleeve correspondingly, and the supporting sleeve is sleeved with a circular pipe which is fixed through the left fixing ring and the right fixing ring. Straight wiredrawing operation of the metal surface can be automatically achieved,wiredrawing straightness, wire flow uniformity and wiredrawing efficiency are improved, the wiredrawing quality of the metal circular pipe is ensured, and the rate of finished products is improved.
Owner:苏州丰川电子科技有限公司

Glasses for protecting eyes during sports

The invention discloses glasses for protecting eyes during sports, and relates to the field of protective glasses. The glasses comprise a main body, a protective mechanism, a storage mechanism and a connecting mechanism, wherein the main body comprises a glasses frame, and two ends of the glasses frame are connected with glasses legs; the protection mechanism comprises a movable groove located in an inner wall of the glasses frame, and replacement blocks are connected to two ends of the glasses frame and located below the glasses legs. By arranging the protection mechanism, when protection coil is replaced, a replacement block is pushed, the replacement block moves to drive a rotating shaft to rotate, the rotating shaft rotates to drive connecting wheels to move, the connecting wheels move to be close to each other, a protection coil is placed on the outer walls of the connecting wheels, a replacement block is loosened, and the rotating shaft rotates under the action of the elastic force of a torsional spring; the rotating shaft rotates to drive the connecting wheel to displace, the connecting wheel displaces to tighten the protective coil, the protective coil can be conveniently and rapidly mounted and dismounted, and meanwhile tightness of the protective coil is kept.
Owner:深圳市方元千色科技开发有限公司
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