102results about How to "Reduce wrinkles" patented technology

This utility model discloses an antistatic polymer POF heat shrink film processing equipment. A cutting plate is clamped to the top of the processing frame, and several cutting hydraulic cylinders are equidistantly installed on the top of the processing frame. A punching blade is clamped to the bottom of each cutting hydraulic cylinder. Several fixing frames are welded equidistantly to the top of the processing frame, and several moving limit ropes are equidistantly clamped to the top of the punching blades. A positioning support frame is installed at the bottom of each moving limit rope. This utility model, through the flattening and guiding limit during movement and the separation and cooperation during punching, allows for steady flattening of the film during movement, while avoiding excessive stretching during punching, which could lead to film breakage. This ensures steady punching during continuous production, reducing the occurrence of punching position deviation and uneven punching due to wrinkles, greatly guaranteeing product quality.

The utility model relates to the technical field of double-faced adhesive tape slicing, in particular to a double-faced adhesive tape production slicing machine which comprises a processing table, a supporting frame detachably installed on the outer side surface of the processing table, a double-faced adhesive tape movably connected to the inner side wall face of the processing table in a sleeved mode, and release paper arranged on the upper side surface and the lower side surface of the double-faced adhesive tape. Two sets of auxiliary rollers are movably connected to the positions, located on the edges of the upper side and the lower side, of the inner side wall face of the machining table in a sleeving mode, and the outer side surface of the release paper is movably connected to the outer side surfaces of the auxiliary rollers in a lap joint mode. The cutting knife descends through the hydraulic lifter, then the double-faced adhesive tape is extruded, and the cutting grooves in the top surface of the lap joint strip are in staggered butt joint with the cutting knife, so that the surface of the double-faced adhesive tape is cut, and when the cutting knife extrudes the double-faced adhesive tape, the double-faced adhesive tape is extruded through the cutting grooves. And then the release paper on the outer side surface of the lower conveying roller is attached to the bottom surface of the double-faced adhesive tape, so that the double-faced adhesive tape is cut off.

The invention discloses glue shape detection and foam pasting integrated equipment. The equipment comprises a feeding module, a transfer module, a pasting module and a carrying module; the feeding module comprises a feeding manipulator, a glue shape detection device and an alternate loading device; the alternate material carrying device comprises two material carrying units, each material carrying unit comprises a feeding carrying table and a transposition driving assembly which are in driving connection, and the feeding carrying tables in different material carrying units are driven by the corresponding transposition driving assemblies to move to the positions below the feeding mechanical arm and the glue shape detection device in a staggered and reciprocating mode; the mounting module is used for automatically mounting foam; and the carrying module is used for carrying workpieces among the feeding module, the transfer module and the mounting module. According to the invention, the continuous operation of glue shape detection and foam pasting can be automatically realized, the workpiece circulation efficiency before glue shape detection can be effectively improved, and the production takt time and efficiency of a production line are relatively high.

The utility model discloses a sealing mechanism capable of adaptively adjusting pressure, which relates to the technical field of express packaging and comprises a fixed pressing component, a movable pressing component and a guide rod structure for connecting the fixed pressing component and the movable pressing component. The fixed press-fit assembly is fixedly installed, guide rods on the two sides of the fixed press-fit assembly are elastically connected with the movable press-fit assembly through elastic structures, and the movable press-fit assembly is driven by double synchronous belts or a single synchronous belt to achieve accurate linear motion. The fixed pressing assembly is integrated with a heating wire assembly and a bag pulling rubber strip, the movable pressing assembly is provided with a pressing rubber strip and a tight pulling pressing edge with a chamfer, and when the pressing rubber strip and the tight pulling pressing edge are pressed, the double functions of heat sealing and mechanical locking are achieved. And the elastic structure adopts the design of a compression spring and a limiting convex cover, so that elastic pressure is continuously kept during pressing of the movable pressing assembly, the pressing force is adjusted in a self-adaptive manner, and hard collision is avoided. The mechanism solves the problems that a traditional sealing device is unstable in press fit and poor in sealing quality, the sealing strength is improved, the bag pulling slippage rate is reduced, and the mechanism is suitable for high-speed automatic express packaging operation.

The present disclosure relates to the technical field of display, and discloses a display panel and a display device. The display panel comprises a display area and a non-display area. The display area comprises a planar display area and a peripheral display area. The peripheral display area is arranged outside the planar display area. The peripheral display area comprises at least two side display areas and at least one corner display area. The corner display area is connected between two adjacent side display areas and a corner of the planar display area. The pixel arrangement of the planar display area is the same as that of the peripheral display area. The non-display area comprises a corner non-display area. The corner non-display area is connected to a side of the corner display area away from the planar display area. The corner non-display area is provided with an opening and a shift register. The opening is located between two adjacent shift registers. The display panel can avoid the generation of wrinkles.

The application discloses a preparation method of a graphene / hexagonal boron nitride heterojunction. The target substrate is subjected to cleaning treatment, and then the surface of the cleaned target substrate is changed into hydrophilicity, so that the film can be well laid on the surface of the substrate, and the wrinkles are reduced. A layer of hexagonal boron nitride is arranged on the surface of the hydrophilic target substrate. A layer of PMMA is spin-coated on the surface of the graphene film to be transferred, and then the graphene film is floated in deionized water. Under the surface force of the deionized water, the graphene film can be stretched based on the PMMA. Then, the target substrate with the surface provided with the hexagonal boron nitride is used to be combined with the graphene film with the PMMA layer spin-coated on the surface in the deionized water, so that the target substrate and the graphene film are combined flatly. Then, drying and heating are carried out at a stepped temperature, the distance between the substrate and the sample is shortened, and the crack area is reduced. Finally, through annealing treatment, not only the PMMA residue is reduced, but also the film can be more closely contacted with the substrate.

This invention discloses a method for extracting high-purity PDRN from salmon testes and its application in improving skin condition, belonging to the field of bioactive ingredient extraction technology. Frozen salmon testis tissue is cleaned of blood vessels and fatty impurities, then cryogenically pulverized at -20~-25℃. The pulverized tissue is added to a pre-treatment dispersion buffer and homogenized under high pressure to obtain a DNA fragmentation solution. The precipitate is then separated by centrifugation. The precipitate is dispersed in a dedicated enzyme digestion buffer, and enzymatic digestion with protease and RNase A is performed to inactivate the enzyme. DNase I is added to the digestion solution for enzymatic cleavage. After the reaction, a stop solution is added to terminate the reaction, and the supernatant is separated by centrifugation. Ethanol is added to the supernatant for precipitation, and centrifugation yields PDRN from salmon testes. This invention, through specific buffer systems and enzymatic digestion conditions, increases the PDRN content by 40~60 kDa, allowing for better absorption and utilization by the skin, improving facial hydration and elasticity, effectively reducing facial wrinkles, and improving facial skin condition. It can be used to prepare functional cosmetics.

The utility model discloses an auxiliary device for folding and storing protective clothing, and belongs to the technical field of medical instruments. The protective clothing folding and storing auxiliary device comprises a bearing plate, sleeve placing plates are hinged to the two sides of the bearing plate respectively, a clothing and trouser placing plate is hinged to the side, located between the two sleeve placing plates, of the bearing plate, and the clothing and trouser placing plate comprises thigh plate pieces and shank plate pieces; one side of the thigh plate is connected with a hinge, the thigh plate is hinged to one side of the shank plate through the hinge, supporting legs are installed at the corners of the thigh plate and the shank plate respectively, the bottom faces of the supporting legs are flush with the bottom face of the bearing plate, and the thigh plate is hinged to one side of the shank plate through the hinge. A clothes and hat placing plate is hinged to the side, away from the clothes and trousers placing plate, of the bearing plate, a groove is formed in the top face of the bearing plate, a folding plate is arranged in the groove and comprises a plate body, and the plate body is hinged to one side of the inner wall of the groove.

The utility model discloses a kind of rotary tables for cover lock pipe beam bending processing auxiliary, including base, the shell being set in the top of base and the extrusion part being slidably set in the top of shell and for extruding the workpiece to be bent, rotary table for bending processing auxiliary further includes bending mechanism and adjusting mechanism;Bending mechanism is set in the top of base, and bending mechanism includes first hinged part, load bending part and sliding abutment part;First hinged part rotationally set in the top of base;Load bending part rotationally set in the middle of shell, and the bottom of load bending part is rotationally connected between first hinged part, when first hinged part moves, can drive load bending part to be in rotating state;Sliding abutment part is slidably set in the side of load bending part, and sliding abutment part is used for abutting the workpiece to be bent;Adjusting mechanism is set in the side of load bending part, and the device solves the workpiece wrinkle problem caused by abutting position fixed when radian is adjusted in traditional bending process.

The utility model relates to battery diaphragm technical field discloses a wrinkle removing equipment for battery diaphragm processing, including base, the base bottom fixedly connected with two supports, the base top front side fixedly connected with side plate no.

The application relates to a film coating device for waterproof fabric processing and an operation method thereof, and relates to the waterproof fabric film coating processing field. The device comprises a hot pressing mechanism, a rack, winding mechanisms and unwinding mechanisms arranged on the two sides of the hot pressing mechanism, a plurality of traction rollers arranged between the unwinding mechanism and the hot pressing mechanism, a bidirectional air exhaust roller, a directional air extraction mechanism and a positioning roller. The traction rollers are used for traction of the base cloth and the film. The bidirectional air exhaust roller is used for generation of directional air flow flowing to the two sides of the film along the transverse direction. The directional air extraction mechanism is used for generation of directional air flow parallel to the film and opposite to the film transmission direction. The device utilizes the air flow along the longitudinal direction of the film to realize the effect of transverse flattening of the film. The air flow opposite to the film transmission direction and parallel to the film is utilized to realize the effect of longitudinal flattening of the film. In the state of ensuring the tension of the film, the probability of film deformation caused by excessive tension is reduced, and the stability of the laminating processing of the film and the base cloth is comprehensively improved.

This utility model relates to the field of printing device technology, and in particular to a portable, trouble-resistant label printer. A portable, trouble-resistant label printer includes a printer body with an inner cavity, within which a paper jamming assembly and a guide groove are disposed. The paper jamming assembly includes: a connecting seat located on one side of the guide groove; a first paper jammer hinged to the connecting seat at a certain angle; a torsion spring, used to generate a restoring force applied to the first paper jammer when the angle between the first paper jammer and the connecting seat changes; and a second paper jammer movably mounted in the guide groove. This solution effectively solves problems such as difficult paper loading, high paper jam rate, severe printing misalignment, and difficulty in cleaning sensors in the prior art, significantly improving the user experience and reliability of label printers.

This invention discloses an extruder head flow channel orifice structure and its application in tire tread winding, belonging to the field of tire manufacturing technology. The extruder head flow channel orifice structure includes an extruder body with a flow channel orifice connected to its end. Its core improvement lies in the non-circular shape of the extrusion orifice. This breaks through the limitations of traditional circular orifices; the non-circular design, such as rectangular or near-circular shapes, allows for adjustment of the rubber strip cross-sectional shape according to the functional requirements of different parts of the tread (such as the crown and shoulder), optimizing the contact area and bonding pressure distribution between the rubber strip and the forming drum, reducing bonding air bubbles, and improving interlayer bonding strength. The tire tread winding method involves extruding a continuous rubber strip using the extruder head flow channel orifice structure and then winding this strip onto the forming drum in a seamless manner to form the tread.

The utility model relates to the technical field of papermaking equipment, in particular to a negative pressure paper stabilizing mechanism for a papermaking machine, which comprises a paper stabilizing box, the paper stabilizing box is of a hollow box body structure with a narrow upper part and a wide lower part, the left and right side walls of the paper stabilizing box are respectively parallel to paper surfaces on two sides, and the left and right side walls of the paper stabilizing box are also provided with adsorption ports; the number of the sealing strips is four, and the four sealing strips are located at the upper end and the lower end of the left side wall and the right side wall of the paper stabilizing box correspondingly and used for being attached to the dry net; according to the utility model, the paper stabilizing box is arranged, and negative pressure can be formed in the areas on the two sides of the paper stabilizing box, so that air between a paper surface and a dry net is adsorbed, the paper surface can be attached to the dry net, and wrinkles are reduced.

The utility model relates to the technical field of battery production, in particular to a compression roller structure for automatic winding and a prime coater, the compression roller structure comprises a compression roller assembly, a driving assembly, a winding glue compression roller and a swing arm mounting plate, the compression roller assembly is arranged on a rotating tower and is symmetrically connected to two ends of the winding glue compression roller through a first compression roller swing arm and a second compression roller swing arm, and the driving assembly is arranged on the rotating tower. The pressure applying device is used for applying uniform pressure to a material in the winding process; the other end of the first compression roller swing arm and the other end of the second compression roller swing arm are connected with the driving assembly through the adjusting assembly, the driving assembly is fixed to an air cylinder fixing pin through a first air cylinder and a second air cylinder, the air cylinder fixing pin is arranged on the swing arm mounting plate, and the swing arm mounting plate can swing along an optical axis. The swing driving device is used for providing swing driving force for the pressing roller assembly and ensuring that a suspended base material is effectively pressed and contacted after passing through the winding rubber pressing roller, so that the bottom base material contacted with a winding drum is smoothed, the bottom winding effect is remarkably improved, and the bottom wrinkling phenomenon is reduced.

The utility model relates to the technical field of non-woven fabric production, in particular to a water grape non-woven fabric production heating device which comprises a heating box, a fixed frame is fixedly arranged on the rear side of the inner wall of the heating box, a movable frame is movably arranged on the front side of the fixed frame, and guide grooves are formed in the top wall and the bottom wall in the fixed frame. The top and the bottom of the movable frame are fixedly connected with guide blocks. According to the utility model, the fixed frame, the movable frame, the transmission teeth and the gear are arranged and matched with the guide block to guide and slide along the guide groove, so that when the gear rotates, the transmission teeth meshed with the gear can drive the movable frame to move left and right in a reciprocating manner; the first water squeezing roller set and the second water squeezing roller set can be driven to roll and squeeze the non-woven fabric through the movable action, the K-type vibrators arranged in the centers of the inner shafts of the first water squeezing roller set and the second water squeezing roller set can enable the non-woven fabric to vibrate to promote water separation when the rolling shafts rotate, and the drying efficiency of the non-woven fabric is improved.

This utility model discloses a cooling device for producing baling film for cotton harvesters, including a base plate, a front cover plate, a cooling box, a transparent adhesive sealing device, a pressure plate, and a hot melt adhesive device. The front cover plate is located on the upper surface of the base plate, and a base plate is located above the base plate, with the cooling box located above the base plate. A water inlet pipe is located on the top surface of the cooling box, and a water outlet pipe is located below the rear side of the cooling box. Multiple sets of nozzle grooves are equidistantly arranged on the bottom surface of the cooling box, with ultra-fine atomizing nozzles on the top surface of each nozzle groove. A sliding groove is located at the center of the bottom surface of the cooling box, and a sliding rod is located on the top surface of the sliding groove. A cleaning roller is connected below the sliding rod. Coolant is sprayed from the ultra-fine atomizing nozzles through the water inlet and outlet pipes on the cooling box, thereby cooling the heat-sealing area and reducing wrinkles in the baling film. The cleaning roller then slides in the sliding groove to clean the baling film on the pressure plate and smooth out any wrinkles that may have formed in the baling film.

The utility model belongs to copper screen processing technical field especially is a kind of cutting device for copper screen processing, including support platform, the top side of support platform is provided with a support frame, a cylinder is installed in the top center of the support frame, the telescopic rod of the cylinder is slid through the top surface of the support frame and is connected and fixed with a moving plate;The bottom surface of the moving plate is connected with cutting blade;In the utility model, by being equipped with first guide plate and positioning mechanism, the two first guide plates are driven by positive and negative toothed rod to approach each other or separate, automatic adjustment limiting range is realized, a variety of sizes of copper screen is adapted, and the flexibility and applicability of cutting are enhanced;At the same time, the second guide plate is supplemented to fill the limit vacancy, to ensure that copper screen remains stable and accurate during cutting process, in addition, the design of flattening mechanism effectively flattens copper screen, reduces wrinkle, and improves cutting quality.

The application relates to the field of building drainage, and a kind of outer wall drainage structure comprising a support, a rotating rod, a sliding rod and a water baffle, the support is used to be connected to an outer wall, the rotating rod is rotationally connected to the support around its own axis, the sliding rod is parallel to the rotating rod, the sliding rod is slidingly connected to the support, the sliding direction of the sliding rod is perpendicular to the axis of the rotating rod, one end of the water baffle is connected to the rotating rod, the water baffle is wound out of the rotating rod, and the other end of the water baffle is connected to the sliding rod. The support is installed to the window sill position of the outer wall; in rainy days, especially in the case of heavy rainfall, pull the sliding rod to unfold the water baffle, and make the water baffle shield the lower edge of the window frame or the whole window body, the water baffle blocks part or all of the rainwater falling to the lower edge of the window frame; after the rain intensity becomes small or stops raining, rotate the rotating rod to wind the water baffle, without affecting lighting and line of sight.

The invention relates to the technical field of electrolytic copper foil production equipment, and discloses a tension roller tension calibration method and device and a crude foil engine, and the tension roller tension calibration method comprises the following steps: calibrating a torque-pressure conversion coefficient k; tension at the two ends of the tension roller is obtained, and the tension difference is calculated; according to the torque-pressure conversion coefficient k, the tension difference value is converted into the equivalent pressure difference needed by the two ends of the tension roller; according to the equivalent pressure difference, corresponding torque is applied to the two ends of the tension roller till the tension difference value is reduced to be within the threshold value, and balance tension calibration is achieved. By determining the torque-pressure conversion coefficient k, the torque of the driving assembly can be accurately converted into the pressure at the two ends of the tension roller, the corresponding pressure is applied to the two ends of the tension roller, and the tension difference value is reduced to be within the threshold value, so that the problem of imbalance of the two ends of the tension roller is accurately solved, copper foil wrinkling during equipment operation is avoided, and the product yield is increased; additional bending moment of the tension roller is eliminated, bearing abrasion is reduced, and the maintenance period is prolonged.

The invention relates to the technical field of film lamination, and discloses lamination equipment for an optical film and a lamination process thereof.The lamination equipment comprises a press-fit frame, the press-fit frame is rotationally connected with a press-fit roller, the two sides of the press-fit frame are rotationally connected with rotating shafts, the ends of the rotating shafts are connected with second driving motors, and side connecting rods are installed on the lower surfaces of the rotating shafts; a second belt pulley and a second transmission belt are additionally arranged at the end of the rotating shaft; diaphragm placing frames are arranged on the two sides below the pressing frame, second lead screws are rotationally connected to the upper portions of inner cavities of the diaphragm placing frames, the ends of the second lead screws are connected with outer rotating handles, the centers of the second lead screws are in threaded fit with second sliding blocks, connecting blocks are installed on the lower surfaces of the second sliding blocks, vacuum suction nozzles are additionally arranged on the lower surfaces of the connecting blocks, and the vacuum suction nozzles communicate with a vacuum pump; according to the equipment, the position of the vacuum suction nozzle can be adjusted by rotating the outer rotating handle, and the fixing requirements of different optical films are met; and the second driving motor drives the membrane placing frame to reset, and preliminary fitting and subsequent pressing are connected.

The utility model relates to textile technical field provides an ice silk cool jacquard fabric, solves the problem that traditional jacquard fabric exists visual stereoscopic feeling is not strong, the problem that the breathability and moisture permeability are insufficient and cool feeling effect is not lasting, including fabric body, the fabric body includes surface layer and lining, the surface layer and lining are formed three -dimensional structure through jacquard organization integral weaving, the three -dimensional structure includes the relief part and the concave part, the relief part is independently constituted by surface layer yarn, the concave part is constituted by surface layer yarn and lining yarn intertexture, and the relief height is 0.3 1.2mm, and the concave part forms continuous moisture channel.

The present application belongs to the technical field of coiled material packaging, and particularly relates to a coiled product automatic packaging equipment based on multi-station continuous conveying and a control method thereof. The present application provides a coiled product automatic packaging equipment based on multi-station continuous conveying and a control method thereof, which is characterized in that: 1. By synchronously performing the centering process and the coiled material film wrapping process, the situation that the residual film at both ends of the coiled material is uneven after the film wrapping process is avoided; 2. In the end sealing process, the cold sealing technology is used to replace the high-temperature film sealing technology, thereby eliminating the risk of deformation or performance damage of the heat-sensitive coiled material under high temperature.

The invention provides a machining device and method for a 3D glass cover plate. The device comprises a hot bending assembly and a polishing assembly. The hot bending assembly comprises an upper die and a lower die which are buckled with each other; the upper die is of a split structure and comprises a plane die and a curved surface die which are spliced, the plane die corresponds to a first surface area with a larger size, the curved surface die corresponds to a second surface area with a smaller size, and a connecting curved surface area for connecting the first surface area and the second surface area; the plane mold is attached to and preassembled in the plane attaching area of the glass sheet, and the curved surface mold is overhead and preassembled above the overhead area of the glass sheet; the lower die comprises a back shore bulge and a positioning insert; the first part of the back shore bulge is of a plane structure and is used for bearing a plane attaching area of the raw glass sheet, and a first surface area is formed by matching with plane mold hot pressing; the original glass sheet is fixed by the positioning insert; the second part of the back shore bulge is located below the overhead area of the glass sheet and is matched with the curved surface die to form a second surface area and a connecting curved surface area through hot pressing. The machining precision and the machining efficiency of the 3D glass cover plate are effectively improved.

The utility model discloses a three -dimensional transparent film packaging machine's lower membrane positioning mechanism, and its technical scheme main points are: including fixed frame, one side fixed mounting of fixed frame has two first fixed blocks, one side fixed mounting of first fixed block has fixed frame, the top surface of fixed frame is equipped with the joint hole, the inside of fixed frame is provided with the communicating pipe, one end of communicating pipe and joint hole are connected together, the outer wall surface in communicating pipe has a plurality of suction pipes, the suction pipe communicates with communicating pipe, the suction pipe evenly distributed in the outer wall surface of communicating pipe, the inside joint of fixed frame has the fixed plate, one side of fixed plate is equipped with a plurality of suction holes, a plurality of suction holes evenly distributed in one side of fixed plate, a plurality of suction holes respectively and a plurality of suction pipes are aligned, by setting fixed frame, it can be used as the structure of device and packaging machine body installation.

The utility model relates to packing equipment technical field, concretely is a kind of transverse seal auxiliary flattening subassembly, for solving heat seal block protection deficiency and packing bag wrinkle problem.The component contains rack, movable heat seal block, auxiliary pressing plate and baffle.Baffle is located in the side of heat seal block, and baffle isolates heat seal block in rack when packing bag passes, avoids personnel miscontact and bag body rebound;When heat sealing, mounting seat drives connecting plate to move, and guiding shaft is moved downward along the inclined sliding hole of guide plate, so that baffle is lowered to avoid heat seal block.Auxiliary pressing plate is installed above heat seal block by long strip through hole and bolt cooperation, can be transversely adjusted interval to adapt to different size packing bag, and it is flattened bag body and reduces fold when heat sealing.Baffle blocks heat seal block to auxiliary pressing plate heat transfer.By cylinder drive mounting seat linkage guiding shaft, baffle displacement is realized between inclined sliding hole and transverse sliding hole to realize automatic avoidance.The structure reduces operation risk, reduces seal wrinkle, improves encapsulation qualification rate.

The application belongs to the technical field of flue gas treatment, in particular to a dust removal and treatment device for flue gas of a zinc oxide production kiln, comprising a dust removal box, an air inlet is arranged on one side of the upper end of the dust removal box, a connecting pipe is communicated with one side of the dust removal box, a treatment box is communicated with one end of the connecting pipe, a partition plate is fixedly connected to one side of the inner cavity wall of the dust removal box, a filter bag is fixedly connected to the through hole in the middle of the partition plate, and an adjustable supporting assembly is arranged on one side of the inner cavity of the dust removal box. The cleaning assembly is used to regularly clean the outer surface of the filter bag by the brush roller, so that the filter bag can be kept clean. The problem that the filter holes are blocked by dust, thereby affecting the flue gas passing property and the subsequent filtering effect, is avoided.

The utility model discloses a printing and dyeing cloth post -treatment unit relates to printing and dyeing cloth processing technical field. This printing and dyeing cloth post -treatment unit, including color fixing box, extrusion subassembly and flatten mechanism, the one side fixed mounting of color fixing box has drying box, and the flatten mechanism sets up on drying box, and the flatten mechanism includes mobile subassembly and flatness subassembly, and mobile subassembly includes screw column, guide rod, moving plate and L type connecting plate, and the moving plate is provided with on screw column and guide rod, and the front side fixed mounting of moving plate has L type connecting plate, and the flatness subassembly includes lower heating roller, movable frame and upper heating roller, and the front side rotatory mounting of L type connecting plate has lower heating roller, and movable frame sliding installation is on L type connecting plate. Through the cooperation of mobile subassembly and flatness subassembly, lower heating roller and upper heating roller can provide even heat when cloth passes through drying box, ensure that the drying process of cloth is more even, can effectively remove the wrinkle and ripple on the surface of cloth, guarantee the flatness of cloth.

The invention relates to the field of printed circuit board (PCB) manufacturing, provides a method for improving the dry film pressing effect and etching quality of a non-adhesive layered area of a PCB, and is suitable for PCB production links such as pattern electroplating, dry film pressing and etching. The method comprises the following steps: designing a film used for pattern electroplating, and changing a linear design of the edge of a non-adhesive area into an inverted raised grain or zigzag design so as to disperse and release stress generated during dry film pressing and improve the coverage and the fitting tightness of the dry film in a step area; after the outer-layer base material is pressed and before the dry film is pressed, the thickness of the bottom copper is uniformly reduced, the total amount of copper needing to be etched subsequently is reduced, and the lateral erosion risk caused by the fact that the dry film is not pressed compactly is reduced; the total thickness of the bottom copper and the surface copper of the base material is reduced to 15-20 microns, the total copper height after pattern electroplating is reduced, the absolute offset height between the first electricity and the second electricity is reduced, and the dry film is easy to compact and press-fit without bubbles.