77results about How to "Improve lamination quality" patented technology

The utility model provides a photovoltaic module and a photovoltaic system, and the photovoltaic module comprises a photovoltaic front plate, a first adhesive film layer, a battery piece, a second adhesive film layer and a photovoltaic back plate which are sequentially stacked. The photovoltaic backboard comprises a backboard body and a plurality of long-strip-shaped reflective structures. The reflective structures are arranged on the surface, used for bearing the battery pieces, of the backboard body, are located in gaps between the battery pieces and are used for reflecting light reflected or refracted from the side faces of the battery pieces. According to the embodiment of the invention, the back plate body is provided with the reflective structures located at the gaps between the battery pieces, so that light lost by side refraction can be reflected to the surfaces of the battery pieces again, the light loss of the side surface of the module is reduced, the photoelectric conversion efficiency of the photovoltaic module can be remarkably improved, and meanwhile, in the production process of the module, the production cost is reduced. The reflective structure can limit the battery piece and prevent the battery piece from shifting in the lamination process, so that the lamination quality of the assembly is improved.

The invention relates to the technical field of agricultural machinery, and particularly discloses a saline-alkali farmland planting ridging and film mulching device which comprises a connecting unit, a film releasing unit and a film mulching unit. The reliable connection of the mounting rack and the first connecting bracket with a traction machine ensures that the device can advance according to a preset track in the ridging and film covering process, so that the accuracy and continuity of operation are ensured; in addition, soil can be turned over before ridging and film mulching through a soil turning assembly fixed to a fixing plate, the soil structure is improved, the soil is looser, growth of crop roots and permeation of water and nutrients are facilitated, and through cooperation of all the components, the yield of crops is improved. The key problems of stability, sealing performance, adaptability and the like in the film material conveying and film covering process are effectively solved, efficient and reliable technical support is provided for saline-alkali soil crop planting, and improvement of the agricultural production benefits of saline-alkali soil and improvement of the ecological environment are facilitated.

The invention discloses a film covering and packaging machine for plastic parts with arc-shaped surfaces, and relates to the technical field of film covering, the film covering and packaging machine for the arc-shaped plastic parts integrates transmission and packaging, and a transmission part of the film covering and packaging machine comprises a mounting plate, a transmission roller, a transmission belt and a driving device; and the packaging part is provided with a leveling roller, an ion fan, a negative pressure dust collector, an electrostatic generator, a steering roller, a film covering roller and a laminating roller, the diameter of the laminating roller is adjustable, the laminating roller adapts to different arc-shaped plastic parts, it is ensured that the film is completely electrostatically adsorbed and attached to the surfaces of the plastic parts, and the laminating quality is guaranteed.

The utility model discloses a polyurethane adhesive film pressing machine, which belongs to the technical field of pressing machines and comprises a concave main frame, transmission roll shafts are rotatably mounted on two sides in the concave main frame through bearings, a conveyor belt is mounted between the two groups of transmission roll shafts in a transmission manner, a first motor is fixedly mounted at one end of the rear side of the concave main frame, and a second motor is mounted at one end of the rear side of the concave main frame. A rotating shaft at the output end of the first motor is fixedly connected with one end of the corresponding transmission roller shaft, and three continuous sets of equidistant matching rollers are rotationally installed in the concave main frame through bearings. According to the technical scheme, through the arrangement of the first roller shaft, the cutting disc, the motor, the second roller shaft and the matching disc, a laminated polyurethane adhesive film is guided out from one side of the conveying belt, then the motor is controlled to drive the cutting disc on the first roller shaft to rotate, and then the cutting disc is matched with the matching disc to directly cut the side edge of the laminated polyurethane adhesive film; the regularity of the side edge of the polyurethane adhesive film is ensured, and the pressing quality of the polyurethane adhesive film is improved.

The utility model relates to the technical field of battery cell production, and provides a hot pressing mechanism and battery cell winding equipment. Wherein the hot-pressing mechanism comprises a first hot-pressing roller and a roller set, the roller set comprises at least two second hot-pressing rollers which are arranged at intervals in the circumferential direction of the first hot-pressing roller, the second hot-pressing rollers and the first hot-pressing roller are arranged at intervals so as to form an extrusion gap for a laminated material belt to pass through, and the second hot-pressing rollers and the first hot-pressing roller are both used for heating the laminated material belt; and the stacked material belt is jointly extruded. According to the hot-pressing mechanism, the stacked material belt can be continuously hot-pressed for at least two times, and the compaction degree of the stacked material belt can be improved. Besides, all the second hot-pressing rollers are arranged at intervals along the circumferential direction of the first hot-pressing roller, so that the laminated material belt is hot-pressed in a bent form in the hot-pressing mechanism, the whole laminated material belt is uniformly stressed, and the risks of wrinkling and breaking when the laminated material belt is used for forming the battery cell are further reduced.

The invention provides a wood-plastic-based composite material with 3D textures and a preparation process thereof, belongs to the technical field of 3D wood-plastic material preparation, and solves the technical problems that an existing wood-plastic composite material is single in function, material textures cannot be customized and the like. The structure of the wood-plastic based composite material with the 3D textures sequentially comprises a functional protection layer, an additive printing texture layer and a wood-plastic base material layer from the surface to the core, and interlayer compounding is achieved through surface heating melting and interlayer mutual pressing. The preparation process comprises the following steps: extruding to prepare a wood-plastic base material, shaping, performing 3D texture printing, laminating and treating a finished product. The composite material is prepared through the processes of extrusion preparation of the wood-plastic base material, cooling and shaping, 3D texture printing, conveying and positioning, synchronous film releasing, film relaxation and oscillation, hot air circulation preheating, multi-angle dynamic air pressure film covering, cold air circulation cooling, film cutting and heat sealing and finished product treatment, the preparation process is high in efficiency and low in energy consumption, and the prepared composite material is good in structure effect and good in application prospect. The multifunctional requirement is met, and the finished product is more stable.

The utility model provides a kind of frame pressing device, comprising: support plate and the horizontal plate for supporting furniture frame, support plate is equipped with two, and horizontal plate fixed mounting is on the upper surface of two support plates, horizontal plate side fixed mounting has mounting plate, and the lower surface of mounting plate one end is equipped with electric push rod, and the center of horizontal plate lower surface is equipped with pressing assembly, and the side of horizontal plate is equipped with first motor. By the fixed rubber block of sticking solid plate clamped on the slider both sides furniture frame anti-slip and antisense, can ensure the stable fixation of different size frame, then by electric push rod piston rod drives lower pressing plate to drop, make the triangular array convex rubber ball of lower pressing plate lower surface setting press tightly frame upper surface, exert vertical pressure, then by pressing assembly jacking frame, with lower pressing plate forms up-down counter-pressure, to complete the pressing of furniture frame leg, ensure that furniture frame's splicing part stress uniform, tightly combined, significantly improve the overall firmness of frame.

The utility model discloses a film laminating device for packaging bag production, which comprises a film laminating box, the inner side wall of the film laminating box is provided with a packaging bag guide roller, a film pasting guide roller, a tightening deviation rectifying structure, a film laminating assembly and a wind-up roller, and the packaging bag guide roller and the film pasting guide roller are both rotatably connected to the inner side wall of the film laminating box; and the tightening deviation rectifying structure comprises a connecting frame movably connected to the inner side wall of the film covering box, the side wall of the connecting frame is rotationally connected with a tightening roller, and the top end of the inner side wall of the connecting frame is movably connected with a deviation rectifying roller. In conclusion, the packaging bag film laminating device overcomes the defects in the prior art, is reasonable in design, improves the film laminating quality by tightening and flattening the packaging bag base film or the sticking film and avoiding the deviation of the packaging bag base film or the sticking film in the moving process, and has higher social use value and application prospect.

The film covering and packaging device comprises a film covering main body mechanism, and the film covering main body mechanism comprises a welding base, a left vertical plate, a right vertical plate, a top plate, a roller bearing seat, a film covering power roller, a roller motor seat, a roller motor, a belt wheel and a belt; the left vertical plate and the right vertical plate are fixedly arranged on the welding base and are oppositely and symmetrically arranged, the top plate is fixedly arranged on the left vertical plate and the right vertical plate, two groups of roller bearing seats are arranged, each group comprises a plurality of roller bearing seats, the two groups of roller bearing seats are oppositely, symmetrically and fixedly arranged on the outer sides of the left vertical plate and the right vertical plate, and a plurality of laminating power rollers are fixedly arranged on the outer sides of the left vertical plate and the right vertical plate. The operation stability can be effectively improved, and the tangential stress uniformity between the film laminating pressing wheel and the film laminating power roller is improved, so that the film laminating effect is improved, and the problems of film stripping, bubbles and the like are reduced; and the film covering effect and the film covering quality which are influenced by wrinkles and curled edges in the film covering movement process are reduced.

The invention discloses an on-ridge film mulching device for peanut ridging cultivation, and relates to the technical field of film mulching. According to the on-ridge film mulching device for peanut ridging cultivation, through the design of a composite mechanism, a roller shaft is connected with a rotating shaft block to be placed in a fixing frame, the roller shaft is fixed through the fixing frame, falling in the rotating film discharging process is prevented, film feeding is also facilitated, and the operation difficulty is reduced; the protection mechanism plays a role in covering the mulching film and prevents the situation that external impurities splash to damage the mulching film and affect the mulching effect, the backfilling mechanism is used for reclaiming the ground, the rolling mechanism is used for pressing the two sides of the mulching film, and therefore the mulching film can be effectively protected. And then the backfilling mechanism pushes the soil to accumulate towards the two sides of the mulching film, so that the mulching film is fixed and prevented from moving due to the influence of strong wind, and the mulching film quality is improved.

The utility model relates to the technical field of pressing device, concretely is a kind of pressing device for triamine plate production, including machine body, the top of machine body is provided with pressing plate, the both sides of pressing plate top are fixedly connected with fixed block, the one side of fixed block is rotatably connected with auxiliary plate, the both sides of auxiliary plate top are respectively provided with support assembly, the support assembly includes recess, the recess is respectively set up in the both sides of auxiliary plate top, the top of recess is fixedly connected with support ring, the both sides of pressing plate top are respectively fixedly connected with fixed plate one. The pressing device for triamine plate production, by rotating the opening both sides auxiliary plate, make it open to the horizontal position with pressing plate, again by electric push rod one promotes support plate to pass through through slot and support ring, provide support for auxiliary plate, help to expand the area of pressing plate, thereby avoid the problem that different sizes multilayer decorative plate is not sufficiently pressed, improve the pressing quality.

The utility model relates to the technical field of paperboard laminating processing equipment, in particular to a laminating device for paperboard processing, which comprises a conveying device, a cleaning striding plate frame is fixedly welded at the top of the conveying device, a dust collector is fixedly arranged at the rear end of the top surface of the cleaning striding plate frame, and a first bearing frame is fixedly welded at the top end of the conveying device. A film covering roller is rotationally arranged at the top end of the interior of the first bearing frame, a reinforcing straddle plate frame is fixedly welded to the left end of the top of the conveying device, and a heating roller is movably arranged in the reinforcing straddle plate frame. According to the film covering device for paperboard processing, the cleaning device is additionally arranged in front of the film covering roller to remove dust of a paperboard to be covered with a film, the dust removal effect is better and more comprehensive by using a common dust collector, bubbles are effectively prevented from occurring in the subsequent film covering process, the temperature-rising heating roller with the spring buffering function is additionally arranged after film covering, and the film covering efficiency is improved. And the laminated paperboard can be heated and extruded, and the adhesion effect of the film and the paperboard is enhanced.

The invention relates to the technical field of plate processing, in particular to a plate pressing control method, electronic equipment, a storage medium and a plate pressing device. The invention provides a plate pressing control method which comprises the following steps: firstly, acquiring differential pressing parameters of a first binding surface and a second binding surface of a plate, and laying foundation for subsequent calculation; deriving adaptive temperature and pressure intervals on the two sides based on the parameters, obtaining safety pressure through intersection of the pressure intervals, and matching the uniform requirement of the pressure on the two sides of the equipment; calculating a two-side pressing time interval by combining the parameters and the temperature-pressure interval, and taking an intersection to obtain safe pressing time; and finally, synchronous pressing is performed according to safety time, pressure and corresponding temperatures of the two surfaces, so that the time and the pressure meet the common requirements of the two surfaces, the temperatures are adaptive to respective individual requirements, the two surfaces are ensured to have adaptive temperature and pressure parameters, the fitting tightness and the yield are remarkably improved, and the pressing quality of double-surface pressing of the plate is improved.

The utility model discloses a curved glass coating device, which belongs to the field of glass coating and comprises a limiting plate, a vertical column is rotatably mounted in the middle of the upper end of the limiting plate, an electric sliding rail is fixedly embedded in the front end of the vertical column, an electric sliding block is slidably mounted in the electric sliding rail, and the electric sliding block is electrically connected with the electric sliding rail. The movable plates are rotationally connected to the two sides of the fixed plate, the L-shaped limiting frames and the limiting frames are arranged at the bottoms of the movable plates to limit the outer sides of the movable plates, and then the electric air cylinders drive the fixed plate to move front and back to adjust the connecting angle of the fixed plate and the movable plates. The overall arc-shaped adjustment of the fixed plate and the movable plate is achieved, the fixed plate and the movable plate are attached to the angle of the curved glass, then the film covering quality of the curved glass is improved, the use cost of the device can be reduced through the arrangement of the structure, and the device is convenient to operate and use.

The utility model relates to the technical field of film covering of foot pads, in particular to rolling and film covering equipment for anti-skid foot pads. According to the technical scheme, the film laminating device comprises a film laminating box, an inlet pipe and an outlet pipe are fixedly installed on the two sides of the outer surface of the film laminating box respectively, a film laminating roller and a driven roller are rotatably installed in the film laminating box, and transparent covers are fixedly installed on the two sides of the upper surface of the film laminating box respectively; and a film roll and a winding roller are rotationally installed in the two transparent covers correspondingly, communicating openings are formed in the positions, located below the two transparent covers, of the upper surface of the film covering box, a hollow scraping plate is rotationally installed in an inlet pipe, and an air outlet is formed in the outer side of the hollow scraping plate. According to the utility model, before a calendering film is coated on the surface of the anti-slip foot pad, dust, impurities and production chippings adhered to the surface of the anti-slip foot pad are removed, so that the calendering film can be better adhered to the surface of the anti-slip foot pad, the generation of bulges and bubbles is prevented, and the film coating quality is improved.

The utility model provides a laminating device which comprises a support plate, a first material guide wheel, a second material guide wheel, a film hanging roller, a film pressing lower wheel and a pneumatic film pressing assembly are arranged on one side of the support plate, the first material guide wheel and the second material guide wheel are arranged at the front end and the rear end of one side of the support plate respectively and used for guiding plates, and the pneumatic film pressing assembly is arranged on one side of the support plate. The film pressing lower wheel is arranged between the first material guide wheel and the second material guide wheel, film glue raw materials are installed on the film hanging roller, film glue is guided to the position above the film pressing lower wheel through the first film guide wheel and the second film guide wheel, and the pneumatic film pressing assembly is arranged on one side of the film pressing lower wheel. The pneumatic film pressing assembly comprises a rubber film pressing roller capable of applying force towards the film pressing lower wheel. The device has the advantages of capability of continuously laminating the upper surface of the plate without shutdown, high laminating quality, simple structure and the like.

This utility model discloses an easily adjustable pressing device for a sander, relating to the field of sander technology. The easily adjustable pressing device for a sander includes a base plate, with a conveying mechanism and a pressing mechanism disposed above the base plate. The conveying mechanism includes a conveying section and a limiting section. The conveying section includes two conveying rollers and a conical block, and the limiting section includes two sets of limiting frames and two sets of limiting rollers. The technical advantage is that the conveying mechanism provides stable sliding guidance for the limiting frames through the cooperation of the conical block, wedge groove, and wedge block. Combined with the elastic force of the compression spring and damper, the limiting rollers can automatically adjust their spacing according to changes in workpiece width and always closely fit the side of the workpiece, achieving adaptive adjustment without manual operation. This significantly improves adaptability to workpieces of different widths and reduces changeover adjustment time. Simultaneously, the heating plate inside the conical block can complete preheating treatment during workpiece conveying.

The invention discloses a pressing device for insulation board production, and relates to the technical field of board pressing. Comprising a frame body; the number of the guide columns is more than two, the guide columns are fixedly connected to the frame body, the guide columns are in sliding connection with limiting rings, and the multiple limiting rings are jointly in sliding connection with a movable plate; the multiple guide rods are slidably connected to the movable plate, the multiple guide rods are jointly and fixedly connected with an extrusion plate, and a first elastic element is fixedly connected between the movable plate and the extrusion plate; and the limiting mechanism is arranged on the moving plate and is used for enabling the adjacent plates to relatively slide. The limiting mechanism is used for enabling the movable plate to move on the horizontal plane, the movable plate drives the extrusion plate to move together through the guide rod, the plate on the upper side horizontally moves on the plate on the lower side, and therefore glue between the two plates is pressed and evenly dispersed, and the uniformity of the glue between the two plates is improved.

The utility model discloses a composite paper pressing device, which relates to the technical field of composite paper pressing, and is characterized in that the composite paper pressing device comprises a processing frame, push rod frames are fixedly connected to the upper end and the lower end of the back of the processing frame, and torsion rotating shafts are arranged at the upper end and the lower end of the front side in the processing frame; the upper end and the lower end of the front face in the machining frame are movably connected with inclined frames through torsion rotating shafts. Through the processing frame, the push rod frame, the torsion rotating shaft, the inclined frame, the pressing roller, the guide frame, the guide conical seat, the electric push rod and the universal joint, the equipment can carry out composite paper pressing production operation which is compacted step by step, and in the actual use process, a worker can stack and feed composite paper raw materials needing to be pressed from the guide frame, so that the production efficiency is improved, and the production cost is reduced. Then, a guide conical seat in a guide frame can conduct preliminary guide operation on the composite paper raw materials, the composite paper raw materials are rapidly fed into a processing frame, and at the moment, an electric push rod on the surface of a push rod frame can be started.

The utility model provides a kind of cushion rubber press bonding device and the cushion rubber feeding equipment with it, cushion rubber press bonding device includes: feed frame and press bonding component, feed frame extends along the conveying direction of cushion rubber, and feed frame is used to carry and guide cushion rubber;Press bonding component is located at the output end of feed frame, and press bonding component is rotatably arranged around the transverse direction of feed frame, to make the press bonding of press bonding component away from or close to forming drum;Wherein, the press bonding is at least two, each press bonding is spaced apart along the width of cushion rubber setting.The cushion rubber press bonding device of the utility model can effectively solve the uneven pressure distribution of the cushion rubber press roller using whole long rubber roller in the prior art, which leads to the technical problem that the inner and outer edges of the cushion rubber and the tire body are not tightly fitted.

The application discloses an integrated circuit chip packaging film coating device and belongs to the field of integrated electronic information technology. The application comprises a rack, a conveying belt arranged in the rack, a chip carrier placed on the conveying belt, a packaging film coating assembly arranged on the rack, the packaging film coating assembly being provided with a cavity base and a cavity upper cover, the cavity upper cover being fitted on the top of the cavity base, the cavity upper cover being provided with a film coating cavity, three guide grooves being formed in the two side plates of the cavity upper cover, and guide rails being vertically and slidingly fitted in the corresponding two side guide grooves. The pre-adhesion roller, the main pressing roller and the finishing roller arranged in the film advancing direction are matched with three micro-cylinders, the pre-adhesion roller is preliminarily exhausted from the center to the edge, the main pressing roller is uniformly pressed and compacted, and the finishing roller is directionally extruded and polished to the dead angle of the chip edge, so that the film bubble defect rate is reduced, and the film quality and the long-term reliability of the chip packaging are improved.

The utility model discloses a label processing film covering device which comprises a support and a supporting plate, a conveying assembly is installed on the support and comprises a first motor and a belt, a supporting assembly is installed on the supporting plate and comprises a supporting plate and a pressing plate, a film covering assembly is installed at the top of the belt, and the film covering assembly comprises a second motor and a third motor. The label processing and film covering device comprises a film covering assembly and a pressing plate, the film covering assembly comprises a film covering roll and a pressing roller, a slicking assembly is installed at the bottom of the pressing plate and comprises a first film scraping plate and a second film scraping plate, and the label processing and film covering device can be clamped to the top of a covering film through the first film scraping plate and the second film scraping plate under the elastic force of a spring; bubbles between the covering film and the label are scraped towards the two sides of the label, so that it is effectively guaranteed that the covering film and the label are firmly bonded, the covering film effect is guaranteed, the regularity of the covering film can be effectively guaranteed, the situation that the covering film cannot completely cover the label or the covering film is exposed out of the two sides of the label is prevented, the covering film quality is improved, and the covering film is prevented from being torn off; the film laminating machine is suitable for label film laminating processing.

The invention relates to the technical field of PCB laminating, in particular to a corrosion-resistant PCB laminating device which comprises a laminating device body, the upper side of the laminating device body is fixedly connected with a first U-shaped plate and a second U-shaped plate, and the inner side face of the first U-shaped plate and the inner side face of the second U-shaped plate are each rotationally connected with two first rotating shaft seats. The inner side faces of the four first rotating shaft seats are slidably connected with first sliding seats. By means of a clamping mode, a film on the rotating roller can be conveniently replaced, a tedious fixing mode does not need to be used, time and labor are saved during operation, a new film can be flexibly and conveniently replaced, and the overall processing efficiency of the PCB film coating device is improved; the electric sliding block moves on the electric sliding table, so that the electric sliding block can drive the cleaning soft brush to clean dust and impurities on the PCB, then the dust collector sucks the dust and the impurities through air negative pressure generated by the motor, and therefore the film covering quality of the PCB is improved.

The invention relates to the technical field of PE pipeline production instruments, in particular to a PE pipeline film covering device with a pretreatment function and good fitness. The machine body is composed of a bottom plate and an arched table; the conical barrel is connected to an opening in the front end of the machine body; the assembling seat is arranged on a bottom plate of the machine body; the cleaning part is arranged at the top of the machine body; and the film covering part is arranged on the gear ring. Through the arrangement of the cleaning part and the film covering part, firstly, a liquid conveying pump is used for conveying a cleaning agent to an injection pipe, efficient flushing is conducted on a pipeline, impurities and dirt on the surface are thoroughly removed, a clean surface is provided for film covering operation, and pretreatment operation of the pipeline is achieved; according to the film laminating machine, a proper distance is kept between a film material and a pipeline through synchronous adjustment of a first connecting rod and a second connecting rod, proper tension in the film laminating process is ensured, then air bubbles are effectively discharged through a pressing roller, adhesion of the film material and the pipeline is enhanced through heating of an electric heating roller, and the attaching degree between the pipeline and the film material is greatly improved.

The utility model provides a novel pressure maintaining module which comprises a driving part, a transition plate, a first pressure maintaining assembly, a second pressure maintaining assembly and a third pressure maintaining assembly, the transition plate is connected to the driving part, and the first pressure maintaining assembly comprises a first connecting plate and a first pressure head arranged on the first connecting plate; the first pressure maintaining assembly comprises a second connecting plate and a second pressure head arranged on the second connecting plate, the second connecting plate is connected with the transition plate, the third pressure maintaining assembly comprises a third pressure head, the third pressure head is installed at the bottom of the transition plate, and the first pressure head is provided with a first adsorption part and an extension adsorption part extending to the adjacent side of the second pressure head; the first adsorption part and the extension adsorption part are connected to a vacuum device, and the third pressure head is provided with a second adsorption part which is connected to the vacuum device. According to the novel pressure maintaining module disclosed by the embodiment of the utility model, the pressure maintaining heads on the plurality of pressure maintaining assemblies have pressure maintaining and adsorption functions, so that the film laminating quality and efficiency are improved.

The invention discloses press-fit equipment for electronic product production, and relates to the technical field of press-fit equipment, and the press-fit equipment comprises a press-fit mechanism. According to the press-fit equipment for electronic product production, the press-fit mechanism is designed, an air cylinder is connected with a movable plate, an extrusion starting mode is adopted, a press-fit block is driven to extrude a mold mechanism, and therefore the electronic product press-fit effect is achieved, a square groove is formed in the bottom of the press-fit block, pressure distribution is improved through grooving, pressure is more uniform on the press-fit face, and the press-fit efficiency is improved. According to the laminating machine, the laminating quality is improved, the air permeability is improved, gas generated in the laminating process can be discharged, so that the effect of reducing bubbles is achieved, meanwhile, the plastic films are arranged on the two sides of the laminating block, the plastic films are polylactic acid films, adhesion can be effectively reduced, and the situation that adhesion is generated in the laminating process, and the working efficiency is affected is prevented; and through the separation mechanism, the effect of ensuring the stability of the sliding structure is achieved, and equipment operation is ensured.

The embodiment of the present application provides a tray and a wafer laminator, the wafer laminator comprising: a machine body, including a working disk, the working disk having a working surface; a tray, movably arranged on the working surface; and a vacuum adsorption device, arranged on the side of the working disk away from the working surface, for adsorbing the wafer on the tray. The present application arranges a tray on the working disk to carry the wafer, so that the wafer and the working disk can be isolated, and the residue after lamination can be effectively prevented from adhering to the wafer and the working disk, and the damage caused by uneven force during the wafer removal process can be avoided, which greatly reduces the breakage rate of the wafer and is conducive to improving the lamination quality of the wafer. In addition, by arranging a tray, it is avoided that the film body remains on the working disk after the lamination process, the difficulty of cleaning the working disk is reduced, and the lamination efficiency of the wafer is greatly improved.

The utility model discloses a portable mulching device for mountain crops, belongs to the field of agricultural machinery, including base and film, the bottom fixed connection of base has the push flat plate, and push flat plate's trapezoidal setting, the top of base is swingingly connected with the control mechanism through the bearing, the inside of film swingingly connects in film, and both ends of control mechanism all swingingly connect with the connecting frame through the pivot, it is through positive and negative thread drive rod cooperation drive block structure, makes the inserted rod to be able to quick tension film reel, and the interval of synchronous regulation push wheel and flat wheel, adapts to different topography and operation demand, simplifies the complex assembly process of traditional mulching equipment, secondly, the push flat plate pre -leveling ground, and push wheel is stable in soft soil in the V -shaped anti -trapping strip and advances, avoids the equipment subsidence, and the flat wheel is through the sliding fit of connecting rod, ensures that the film is uniformly compacted, improves the mulching quality, thereby the portability and operating flexibility of equipment have been improved significantly.

The invention discloses composite leather and manufacturing equipment thereof, and relates to the technical field of composite leather manufacturing, the composite leather comprises a composite leather body, the composite leather body comprises a leather pre-finished product and a leather finished product formed by pressing a fabric base layer, and the leather pre-finished product is formed by pressing an artificial leather layer and a waterproof breathable layer. Manufacturing equipment of composite leather comprises a rack, a discharging roller piece, a pressing piece, a finished product collecting roller and two gluing assemblies are installed on the rack, and the discharging roller piece is used for conveying an artificial leather layer, a waterproof breathable layer and a fabric base layer. According to the composite leather and the manufacturing equipment thereof, through cooperation of the discharging roller piece, the pressing piece and the gluing assembly, it is effectively guaranteed that all layers of the composite leather are firmly bonded, the overall structure is stable, and therefore the quality of a composite leather finished product is guaranteed; the requirements of different application scenes on the physical properties (such as strength, durability and the like) and the functions (such as water resistance, air permeability and the like) of the composite leather can be met.