21results about How to "Reduce curling" patented technology

The utility model discloses a punching sleeve head assembly structure, a punching connector and a punching tool, and belongs to the technical field of punching tools. A punching seat of the punching sleeve head assembly structure is provided with a placing groove for inserting a punching workpiece, and groove walls of two opposite sides of the placing groove are respectively provided with a first hole and a second hole; the telescopic base is movably arranged in the first hole, and a third hole is formed in the side, facing the second hole, of the telescopic base. The first mounting seat can be inserted into the third hole, the telescopic seat can drive the drill bit to get close to or get away from the second hole, and the perimeter of the drill bit is gradually increased from getting close to the second hole to getting away from the second hole; a fixing hole is formed in the side wall of the first mounting seat, a first threaded hole communicated with the third hole is formed in the side wall of the telescopic seat, and the fixing hole can be aligned with the first threaded hole so that a screw can sequentially penetrate through the first threaded hole and the fixing hole. According to the punching sleeve head assembly structure disclosed by the utility model, one punching sleeve head die can share a plurality of upper punching dies with different sizes, so that the portability of a coupling head can be improved.

The invention relates to a branched ultrahigh-salt and ultrahigh-temperature resistant polyacrylamide polymer as well as a preparation method and application thereof. The preparation method comprises the following steps: obtaining the polyacrylamide polymer with a branched structure by adopting a reducing agent octamethylpentaethylenehexamine; the branched polymer has a larger hydrodynamic volume and a denser intermolecular network structure, has better shear resistance, and can obtain a higher resistance factor and a higher residual resistance factor in a porous medium; and the problems of polymer molecule curl and obvious solution viscosity reduction caused by the electrostatic shielding effect can be weakened under the high-salt condition.

The utility model belongs to cigarette production equipment technical field discloses a kind of tipping paper curling device.The tipping paper curling device includes rack, guide plate component, paper scraping component and adjusting roller component, guide plate component is fixedly installed on rack, for guiding tipping paper;Paper scraping component is set in the downstream of guide plate component, and paper scraping component includes cutter shaft and doctor blade, cutter shaft is fixedly arranged on rack, and doctor blade is arranged along the axial direction of cutter shaft, and doctor blade is used to scrape tipping paper;Adjusting roller component includes fastening ring, connecting shaft and first paper guide roller, fastening ring is rotatably arranged on cutter shaft and is fixedly connected with connecting shaft, first paper guide roller is sleeved on connecting shaft and is rotatably connected with connecting shaft, and first paper guide roller is located between guide plate component and paper scraping component, and it can make the included angle between tipping paper and cutter shaft be acute, to solve the roughness of tipping paper surface processing effect, enhance the bonding firmness of tipping paper and glue.

The utility model discloses a silica gel indwelling needle patch, and relates to an indwelling needle patch. Comprising a recording strip, release paper, a polyurethane film layer, a microporous silica gel layer, a silica gel adhesive tape strip and an embossed protective layer, the release paper is divided into a first part and a second part, the first part of the release paper is adhered to the polyurethane film layer, an opening is formed in the center of the first part, and the recording strip is arranged on the outer surface of the second part of the release paper; the polyurethane film layer is adhered to the microporous silica gel layer; one surface of the embossed protective layer is divided into a first area and a second area, and the microporous silica gel layer and the silica gel adhesive tape strip are respectively adhered to the first area and the second area of the embossed protective layer. Due to the adoption of the design of the microporous silica gel layer, the air permeability of the indwelling needle patch is improved, the risk of curling and falling off is reduced, the comfort and the fitting feeling of a product are improved, the irritation and the injury to the skin of a patient are reduced, the practicability is improved, and the indwelling needle patch has certain advantages.

The invention discloses plastic mold production equipment which comprises a device bottom plate, and further comprises a conveying orientation module, a feeding positioning module, a discharging positioning module, a discharging positioning module and a discharging positioning module, wherein a mechanical arm is mounted on the outer surface of one side of the device bottom plate; a polishing positioning module; a longitudinal clamping and conveying module; a transverse clamping module; and the positioning and supporting module is fixedly mounted on the side, close to the fixing bracket, of the device bottom plate. The device has the beneficial effects that through the installed devices such as an electric sliding groove, an infrared heat sensor and a supporting and flattening box, a first electric sliding block and a second electric sliding block are used for driving a fourth push rod to move, so that the supporting and flattening box is driven to clamp a machined part, and then heat is generated through a heating positioning strip installed in the supporting and flattening box; an infrared thermal sensor receives thermal signals and converts the thermal signals into pictures for processing, so that the two supporting flattening boxes are controlled to flatten a machined part along with movement of the mechanical arm, curling deformation is reduced, and the machining precision is improved.

The present invention provides an ion beam assisted deposition coating device, comprising: a source system: comprising at least one coating system and at least one etching system, the coating system comprising an ion source, an evaporation source, a laser source or an electron beam, and the etching system comprising an ion source; a vacuum system: providing a vacuum environment; a tape system: reeling and unreeling a tape; a control system: under the action of the control system, the tape system reeling and unreeling, the coating system coating the tape in the vacuum environment and / or the etching system etching the tape in the vacuum environment. By coating and etching the first few tapes simultaneously, and the etching speed is greater than the coating speed, the net deposition speed is very low, but due to the high etching speed, the magnesium oxide deposited here will form an excellent texture, ensuring that the texture difference at the two ends of the same tape is less than 10%, and the critical current difference at the two ends of the superconducting tape finally prepared is less than 10%, thereby improving the coating effect.

The utility model discloses a gasket stamping die which comprises an upper die base, a lower die base and a feeding mechanism, the upper die base is connected with a power mechanism, and the feeding mechanism is connected with a material belt. The upper die base is sequentially provided with a punching punch used for punching a center hole, a semi-shearing punch used for shearing the shape of a gasket and a blanking punch used for enabling the gasket to be separated from a material belt. The lower die base is provided with a punching female die, a semi-shearing female die and a blanking female die which are matched with the punching punch, the semi-shearing punch and the blanking punch respectively. A cylindrical inner stripping block is arranged in the center of the semi-shearing female die, and the bottom of the inner stripping block is connected with a nitrogen spring through an ejector rod. According to the scheme, the flatness of the gasket is guaranteed through cooperation of the half-shear punch and the half-shear female die and the supporting and extruding effect of the nitrogen spring on the gasket.

The utility model discloses a cabinet door edge curled edge fixing jig which comprises a supporting base, supporting frames are fixedly connected to the two sides of the top end of the supporting base, a feeding table is arranged at the top end of the supporting base, limiting sliding ways are fixedly connected to the bottom ends of the supporting frames, adjusting sliding sleeves are slidably connected to the outer portions of the supporting frames in a sleeved mode, and the adjusting sliding sleeves are connected with the limiting sliding ways in a sleeved mode. A hydraulic cylinder is fixedly connected to the bottom end of the adjusting sliding sleeve, a mounting plate is fixedly connected to the output end of the hydraulic cylinder, and a positioning plate is mounted at the bottom end of the mounting plate. According to the fixing jig for cabinet door edge curling, the clamping position is adjusted through the adjusting assembly, during adjustment, a positioning insertion rod is pulled upwards firstly, the positioning insertion rod can push an adjusting sliding sleeve to move after moving out of a positioning hole, the adjusting sliding sleeve drives a positioning plate to move to a proper position, and then the positioning insertion rod is loosened; the positioning insertion rods can be inserted into the corresponding positioning holes through springs at the bottoms of the positioning insertion rods, and the problem that positioning is inconvenient to adjust is solved.

The utility model discloses an anti-curl protective film, which belongs to the technical field of protective films and comprises a base layer, a surface layer is compounded on one side of the surface of the base layer, a composite layer is compounded between the base layer and the surface layer, and a reinforcing layer is compounded between the composite layer and the base layer. One side, facing the base body layer, of each of the end parts of the two sides of the surface of the surface layer is coated with a glue layer. The reinforcing layer and the composite layer are matched with other structural layers, the overall strength and stability of the protective film are further improved, the phenomenon that a film body is curled due to tension changes is reduced, the two ends of the surface layer protrude and are coated with the adhesive layers, the release film is torn off when the protective film is used, the protruding portions of the two ends of the protective film are further bonded and attached through the adhesive layers, and the protective film is used. The bonding firmness of the side edge connecting part is improved, and the edge warping phenomenon of the film body caused by the aging of the side edge adhesive after long-time use is reduced.

The utility model discloses a stretch-proof asphalt waterproof coiled material. The stretch-proof asphalt waterproof coiled material comprises an adhesive layer, an asphalt layer is arranged on one side of the adhesive layer, and a filling layer is arranged on one side of the asphalt layer; wherein an anti-curling layer is arranged on one side of the filling layer, a clamping groove is formed in one side of the anti-curling layer, a thin steel wire is arranged on one side of the clamping groove, and a cutting groove is formed in one side of the thin steel wire; wherein the other side of the anti-curl layer is provided with the reinforcing layer, one side of the reinforcing layer is provided with the wear-resistant layer, and by arranging the anti-curl layer and the thin steel wires, the stretch-proof effect of the waterproof roll is improved, the waterproof roll is convenient to cut, the production cost is also convenient to save, the wider side of the anti-curl layer supports the edge of the waterproof roll, and the service life of the waterproof roll is prolonged. And the situation of edge curling of the waterproof coiled material is reduced, so that the practicability of the waterproof coiled material is higher.

The utility model relates to the technical field of rubber and plastic products, in particular to a rubber and plastic product cooling machine which comprises a machine box body, a plurality of sets of side rails are arranged on the machine box body, every two side rails form one set, rotating rollers are arranged between the two ends of the two side rails in the same set, a transmission mesh belt is arranged between the two rotating rollers, and the rubber and plastic product cooling machine further comprises a rotating rod. A plurality of rotating rods are arranged, and the plurality of rotating rods are respectively arranged on one sides of the plurality of rotating rollers; the power mechanism is arranged on the plurality of side rails; the limiting mechanism is arranged on the power mechanisms; the rubber and plastic product cooling machine is different from the prior art, when a worker uses the rubber and plastic product cooling machine, the power mechanism is used for driving the corresponding rotating rods to rotate, rubber and plastic sheets are driven to be conveyed, the limiting mechanism is used for limiting the positions of the rotating rods, and in the rotating process of the rotating rods, the rubber and plastic sheets are obliquely pulled and limited to a certain degree; and the rubber and plastic sheets are neat and flat, and curl deformation is reduced.

The utility model discloses gutta-percha point production equipment, and relates to the technical field of gutta-percha point production, the gutta-percha point production equipment comprises a base, the top of the base is slidably provided with a U-shaped piece, the U-shaped piece is provided with a positioning assembly used for positioning a rubber strip, one side of the base is fixedly provided with a first electric push rod, and the first electric push rod is provided with a second electric push rod. The driving end of the first electric push rod is fixedly connected with a U-shaped piece, and an L-shaped piece is arranged at the top of the base. By starting the first electric push rod, the U-shaped piece can slide on the top of the base, a rubber strip moves to the position below the blade, then the second electric push rod is started in a matched mode, the blade can move downwards and cut the rubber strip, and in the process, the rotating shaft can drive the rotating disc to rotate by starting the motor, so that the rubber strip is cut. The transmission shaft drives the rotating piece, the sliding piece and the blade to slide in the sliding opening in a reciprocating mode in the arrangement direction of the guide rod, the effect of sawing the rubber strip can be achieved, and therefore the problem of edge curling of the blade can be solved.

The utility model provides a stably fixed remaining needle sticking film which comprises a remaining needle sticking film body and further comprises first release paper arranged on the front face of the remaining needle sticking film body and a second release paper arranged on the back face of the remaining needle sticking film body. The extending structures are arranged on the two sides of the remaining needle pasting film body, and the pasting range of the remaining needle pasting film body is enlarged through the extending structures. The overall sticking and fixing area of the remaining needle sticking film can be well increased through the extending film and the connecting film, the remaining needle sticking film can be firmly stuck to the wrist conveniently, the extending film and the connecting film which are stuck to the wrist can block sweat, the situation that the extending film and the connecting film which are stuck to the outer side in an overlapped mode are affected by the sweat is avoided, and the remaining needle sticking film is not prone to falling off. Therefore, the ends of the extension film and the connecting film can still be well overlapped and pasted together without being affected by sweat, the other end of the connecting film can pull the protrusion of the remaining needle pasting film body, the remaining needle pasting film can be well prevented from being affected by sweat to be subjected to edge curling, and the remaining needle pasting film can be stably pasted.

The invention belongs to the technical field of lithium ion batteries, and particularly discloses a preparation method of a lithium ion battery diaphragm with a low transverse hemming rate, and the preparation method comprises the following steps: S1, preparing a binder; s2, preparing composite slurry; and S3, preparing the lithium ion battery diaphragm. According to the lithium ion battery diaphragm with the low transverse hemming rate provided by the invention, the components of the diaphragm coatings on the two sides of the battery diaphragm are optimized, and the coating process of coating the diaphragm coating on the diaphragm body is optimized, so that the adhesion between the diaphragm coating and the diaphragm body of the prepared lithium ion battery diaphragm is high; and the transverse hemming rate of the battery diaphragm is reduced, so that the overall performance of the battery diaphragm is optimized.

The utility model provides a quick-release integrated passing roller and a lithium battery coating oven. The quick-release integrated passing roller comprises supporting legs, supporting pieces, a roller body and height adjusting pieces. The bottoms of the supporting legs are connected with height-adjustable supporting pads; the supporting piece comprises a horizontal supporting plate horizontally fixed to the upper ends of the supporting legs, the bottom of the horizontal supporting plate is vertically connected with a horizontal connecting rod, the other end of the horizontal connecting rod is connected with a connecting piece, supporting vertical plates which are vertically spaced are vertically fixed to the upper portion of the horizontal supporting plate, and a vertically-downward avoiding groove is formed in the middle of the upper end of each supporting vertical plate; and the roller body is erected between the two avoiding grooves. The film surface lifting device is convenient to erect and capable of achieving rapid installation and debugging, the height of the roller body can be adjusted through the height adjusting piece, the film surface can be lifted below the film surface, the shaking degree of the film surface caused by blowing of a coating oven is reduced, the film surface can be smoothed above the film surface, and the curling, deformation and cracking degrees of the film surface are reduced.

The present invention provides an ion beam assisted deposition coating device, comprising: a source system: comprising at least one coating system and at least one etching system, the coating system comprising an ion source, an evaporation source, a laser source or an electron beam, and the etching system comprising an ion source; a vacuum system: providing a vacuum environment; a tape system: reeling and unreeling a tape; a control system: under the action of the control system, the tape system reeling and unreeling, the coating system coating the tape in the vacuum environment and / or the etching system etching the tape in the vacuum environment. By coating and etching the first few tapes at the same time, and the etching speed is greater than the coating speed, the net deposition speed is very low, but due to the high etching speed, the magnesium oxide deposited here will form an excellent texture, ensuring that the texture difference at the two ends of the same tape is less than 10%, and the critical current difference at the two ends of the superconducting tape finally prepared is less than 10%, thereby improving the coating effect.

The utility model discloses an ice silk mat with mat side limiting structures. The ice silk mat comprises a mat, an auxiliary assembly is arranged at the upper end of the mat, a breathable layer in the auxiliary assembly conducts breathable operation, and the auxiliary assembly comprises a fiber layer arranged at the upper end of the mat. The fiber layer is made of a pure cotton material, a breathable layer is arranged on the upper surface of the fiber layer, a skin-friendly layer is laid on the breathable layer, and the skin-friendly layer is made of an ice silk material. According to the ice silk mat with the mat side limiting structure, the whole comfort degree is greatly improved due to the pure cotton material of the fiber layer, ventilation operation is conducted through the ventilation layer, air circulation is conveniently improved, the wet feeling in the whole use process is reduced, use is more comfortable, the problem of bacterium breeding caused by humidity is solved, and the service life of the ice silk mat is prolonged. The skin-friendly layer on the breathable layer is made of the ice silk material, the ice silk has soft and smooth texture, a smooth and cool touch feeling is provided for a user, and the overall use comfort degree is improved.

The utility model relates to the technical field of cotton yarn processing, and discloses a cotton yarn strip cutting device for cotton yarn processing, which comprises a workbench, the top end of the workbench is fixedly connected with a transmission platform, the transmission platform is provided with a leveling assembly for abutting against a cotton yarn strip, and the top end of the workbench is fixedly connected with a connecting seat. A rotating shaft is arranged on the conveying platform, a material pressing plate is arranged on the rotating shaft, a material pressing hole is formed in the material pressing plate, a plurality of partition plates are fixedly connected to the top end of the connecting seat, a conveying assembly used for conveying cotton yarn strips is arranged on the connecting seat, and a cutting assembly is fixedly connected to the connecting seat. The pressing plate is large in density, the rotating shaft rotates under the action of gravity, the long-strip-shaped protrusions penetrate through the pressing holes, multiple sections of cotton yarn strips are pressed and leveled, and compared with the prior art, the edge curling situation is reduced, the flat cutting state is guaranteed, and the finished product quality is optimized.

The utility model relates to the lithium battery pole piece production technical field, more particularly, provide a combined pole piece drying oven, including hot -blast device and heating roller subassembly, heating roller subassembly includes a plurality of heating roller, heating roller is used for even heating pole piece, pole piece surrounds two heating rollers and forms s type's running path in turn, and hot -blast device sets up in the both sides of running path. Through heating roller and pole piece contact heat conduction heating drying to pole piece, make pole piece and heating roller contact's position all even heating, reduce the edge of pole piece active material occurrence curling phenomenon's occurrence, and because pole piece surrounds heating roller and formed s type's running path, to pole piece with the reverse curve state heating can make pole piece's different parts interact when deformation, dispersive uneven stress, thereby avoided a certain part excessive stress, reduced the overall deformation makes pole piece not easy to occur bending and wrinkle.

The application discloses a three-net roller washing box, which comprises a box body, two bottom water tanks are arranged in the box body, an inlet cloth guide roller, a middle net roller, a front widthening roller, a middle net roller tension roller, a front lower layer large net roller, an upper layer large net roller, a rear lower layer large net roller, a net roller rear tension roller, a rear widthening roller, a sucking disc, a front S roller, a rear S roller and an S roller rear tension roller are sequentially arranged in the box body along a fabric advancing direction, and the front lower layer large net roller and the rear lower layer large net roller are arranged in the two bottom water tanks respectively. The application has the following advantages and effects: through a multi-cycle soaking and washing mode, the net rollers are arranged in a triangular shape, the effect of effectively removing lint on the front and back surfaces and quickly making oil stains fall off is achieved.

The utility model relates to the technical field of application, in particular to a sweat-proof and allergy-free application which comprises medical non-woven cloth, a protective bottom piece is fixedly connected to one side of the medical non-woven cloth, and medical pressure-sensitive adhesive is arranged on the side, away from the protective bottom piece, of the medical non-woven cloth. Release paper is connected to the side, away from the medical non-woven fabric, of the medical pressure-sensitive adhesive, a rectangular window is formed in the side, close to the protective bottom piece, of the medical non-woven fabric, a transparent film is arranged at the position, where the window is located, of the medical non-woven fabric, and a transparent connecting piece is fixedly connected to the middle of the side, close to the release paper, of the medical non-woven fabric; and blocking cotton and a dressing layer are respectively arranged on one side, far away from the transparent film, of the connecting sheet. Through the design of the air holes, the air permeability of the application can be further improved, meanwhile, through the design of the transparent connecting piece and the transparent film, the adsorption condition of the dressing layer and the blocking cotton can be conveniently checked, and through the design of the medical pressure-sensitive adhesive and the protective bottom piece, the edge curling condition of the application can be reduced.