1817results about "Packaging protection" patented technology

An automatic conveying mechanism for packaging boxes, comprising: a spring-clip type box discharging mechanism, the spring-clip type box discharging mechanism being provided with a structure that expands when inflated and shrinks when deflated, and the structure being used for clamping or releasing a packaging box (9); an air jet mechanism, which is used for jetting air to clean the packaging box; a box pushing mechanism, which is used for pushing out packaging boxes in the spring-clip type box discharging mechanism one by one, a second air cavity (21) being provided in the box pushing mechanism, the second air cavity being connected to the air jet mechanism and the spring-clip type box discharging mechanism by means of a first air supply tube (12) and a second air supply tube (16), respectively, for ventilation, and the second air cavity being connected to an air supply device by means of an air supply main pipe (19); and an extrusion mechanism, which is provided in the second air cavity, the box pushing mechanism performing a box pushing action to extrude the extrusion mechanism, and the extrusion mechanism being capable of, according to different pressed states, blocking an end of the first air supply tube or second air supply tube leading into the second air cavity. According to the automatic conveying mechanism for packaging boxes, the wear to packaging boxes can be reduced in the conveying process while the packaging boxes can be prevented from shifting.

The invention belongs to the technical field of conveying devices and relates to the technical field of conveying devices. The conveying devices comprise a bottom frame, a frame is fixedly connected to the top of the bottom frame, a discharging assembly is fixedly installed on the frame, groove bodies are symmetrically formed in the frame, supporting plates are fixedly installed in the groove bodies, conveying belts are arranged on the supporting plates in a surrounding mode, and driving wheels are symmetrically arranged in the groove bodies. The two driving wheels are in transmission connection through a conveying belt, a driving mechanism for driving the conveying belt to move is arranged on the frame, and supporting blocks are arranged on the conveying belt in an array mode. In particular to a textile roller packaging and conveying device for textile processing, according to the textile roller packaging and conveying device for textile processing, the stability of a textile roller can be improved through an arranged negative pressure head, the textile roller can be conveniently and stably conveyed, a negative pressure state is formed in a negative pressure box, and when one end of the textile roller moves into a groove, the textile roller can be conveniently conveyed. And the negative pressure head can be attached to the spinning roller, and negative pressure can be generated to limit the position of the spinning roller, so that the stability of the position of the spinning roller is improved.

The invention discloses auxiliary film covering equipment for display screen production and processing, and relates to the technical field of display screen production and processing, the auxiliary film covering equipment comprises a processing platform, a conveyor belt is arranged at the upper end of the processing platform, a rack is fixedly erected at the upper end of the processing platform, and a film covering limiting conveying mechanism is arranged on the inner side of the rack. According to the film laminating device disclosed by the invention, a movable block moves to drive the angle of an auxiliary abutting rod to change through stretching and retracting of a hydraulic telescopic cylinder rod and the deformation effect of an elastic tension elastic wire, so that the auxiliary abutting rod jacks up an abutting rod I, and a film touch pressing roller performs tight fitting rolling in the direction of a film to assist in film laminating work; and in cooperation with the additional arrangement of the arc-shaped supporting and pressing plate, a reverse pushing force can be applied to the first abutting rod, it is guaranteed that the film touch pressing roller is attached to the surfaces of the film and the display screen all the time, the effectiveness of film covering is enhanced, automatic film covering is achieved, and meanwhile bubbles generated during film covering can be removed and discharged slowly.

The invention provides a packaging device for oil-immersed food and a using method of the packaging device, relates to a food packaging technology, and particularly discloses a machine shell, a charging barrel and a machine frame. The machine frame is installed in the machine shell, the charging barrel is installed at the top of the machine frame, and two second driving rollers are installed at the top of the machine frame and located on the two sides of the charging barrel correspondingly; each second driving roller is provided with a coiled material belt; a bag making mechanism opposite to an output port of the charging barrel is mounted in the middle of the rack; a guide structure matched with the two material belts is arranged in the bag making mechanism; an edge sealing mechanism for sealing the two sides of the two material belts is arranged in the guide structure; a position adjusting structure enabling the upper ends of the two material belts to form an inlet and outlet is arranged in the guiding structure. The bottom of the bag making mechanism is provided with a traction mechanism used for pulling a material belt to move downwards in the vertical direction. The use of a material belt is accurately controlled through the bag making mechanism, so that the waste of materials is reduced; the position adjusting structure enables the charging barrel conveying pipeline not to make direct contact with the inner wall of the packaging bag, and the risk of cross contamination is avoided.

The invention discloses hot compress patch processing, pressing and bag sealing equipment, and relates to the technical field of hot compress patch processing, the hot compress patch processing, pressing and bag sealing equipment comprises a supporting mechanism and an anti-wrinkle mechanism, the supporting mechanism comprises a base, and two front supporting plates are jointly provided with a lower scrap removing mechanism and an upper scrap removing mechanism; and the two middle supporting plates are jointly and rotationally connected with two smoothing rollers which are distributed up and down, the two rear supporting plates are jointly provided with a preheating mechanism and an anti-wrinkle mechanism, and a press sealing machine is installed on the right portion of the top wall of the base. Through cooperation of the lower scrap removing mechanism and the upper scrap removing mechanism, the upper packaging material and the lower packaging material are cleaned, and the situation that dust and impurities adhere to the packaging materials, and follow-up press-fit packaging is affected is prevented; the upper scrap removing mechanism and the preheating mechanism are matched to preheat the packaging material, so that the possibility of generating bubbles and wrinkles at a sealing part is reduced; the preheating mechanism is matched with the anti-wrinkle mechanism, the packaging material is leveled, and wrinkles and bubbles are prevented from affecting the sealing quality and further affecting the sealing performance of the hot compress patch.

The utility model relates to the technical field of product packaging, and discloses a multi-head scale combined packaging machine which comprises a support, a weighing bin is connected to the middle of the top end of the support in a penetrating mode, a plurality of partition plates are fixedly installed in the weighing bin, connecting columns are fixedly installed among the partition plates, and a base is arranged at the bottom end of the weighing bin. The middle part of the base is connected with a discharging pipe in a penetrating manner, the weighing stock bin is communicated with the discharging pipe through a plurality of branch pipes, weighing sensors are arranged in areas, which are separated by the separation plates, on the base, and electromagnetic valves are fixedly mounted on the plurality of branch pipes. According to the automatic material packaging machine, a large number of materials can be accurately weighed within a short time, the problems of material blockage and residue can be effectively solved through the unique structural design and an advanced control system, the packaging requirements of packaging bags of different specifications can be rapidly and conveniently met, and automatic, efficient and high-precision material packaging operation is achieved.

The invention belongs to the technical field of sausage casing packaging, and discloses an automatic feeding sausage casing packaging machine and a feeding method thereof.The automatic feeding sausage casing packaging machine comprises a working box, two symmetrical mounting frames are fixedly arranged at the top of the working box, a discharging plate is mounted on the side, close to the mounting frames, of the working box, and a through groove is formed in the bottom of the working box; the feeding mechanism is arranged on one side, far away from the discharging plate, of the working box and is used for feeding to-be-packaged casings; the conveying mechanism is arranged between the two mounting frames, through cooperation of a containing plate, a partition baffle, an adjusting assembly, a spraying assembly and other structures, surface mucus treatment before casing feeding and packaging is conveniently achieved, anti-adhesion of casings is achieved, and the problem that in the casing conveying and distributing process of an existing device, the conveying efficiency is high is solved. Due to the fact that the casing is long-strip-shaped and soft in texture, the casing is prone to self-winding and knotting, meanwhile, the casing is affected by mucus, static electricity is prone to being generated, and adhesion is caused.

The invention relates to the technical field of packaging equipment, in particular to a food packaging machine which comprises a rack, a film feeding assembly, a bag making assembly and a heat sealing assembly, the film feeding assembly, the bag making assembly and the heat sealing assembly are arranged on the rack, a mounting plate is arranged on the rack, and a discharging assembly is arranged on the mounting plate. The discharging assembly comprises a discharging hopper fixed to the machine frame and a discharging pipe fixed to the discharging hopper, the discharging pipe is sleeved with a manufactured packaging bag, a sealing assembly is arranged on the machine frame, and the sealing assembly is used for making the packaging bag arranged on the discharging pipe in a sleeving mode abut against the outer wall of the discharging pipe. The sealing assembly comprises two mounting rods connected to the mounting plate in a sliding mode, a first sealing ring, a second sealing ring and a double-end air cylinder, wherein the first sealing ring and the second sealing ring are fixed to the mounting rods, and the double-end air cylinder is arranged on the mounting plate. The device has the effect of reducing dust materials adhering to the packaging bag.

The invention belongs to the technical field of transfer robots, and particularly relates to a stacking storage transfer robot which comprises a base, a first mechanical arm used for carrying wine bottles is arranged on one side of the upper end face of the base, and a second mechanical arm used for carrying wine bottle boxes is arranged on one side of the upper end face of the base. The upper end face of the base is fixedly connected with a transfer table used for placing wine bottles, and the transfer table is provided with a falling anti-toppling mechanism used for assisting the first mechanical arm in placing the wine bottles in the wine bottle box. By means of the falling anti-toppling mechanism, when the first mechanical arm places the wine bottles in the wine bottle box one by one, the interior of the wine bottle box is divided into a plurality of placing areas through intercepting cloth, the wine bottles clamped by the first mechanical arm can be placed in the placing areas, and the row of the wine bottle box is exactly filled with the clamped wine bottles; the wine bottles in the placing area can be blocked by the intercepting cloth and the inner wall of the wine bottle box, and the situation that the wine bottles topple over is avoided.

The utility model belongs to the technical field of cigarette packaging equipment, particularly relates to high-progress special-shaped cigarette packaging equipment capable of increasing speed, and aims to solve the problems that existing cigarettes are not smooth when being screened by a stirring rod to enter a cigarette guide plate, the cigarettes are easy to block and lack, and an aluminum foil box is easy to move when packaging the cigarettes. The device comprises a workbench, a cigarette warehouse and a plurality of aluminum foil boxes. The cigarette warehouse is fixed to the top of the workbench through supporting legs. The machine frame is arranged on one side of the workbench, a conveying belt used for conveying aluminum foil boxes is arranged in the machine frame, two transparent doors are hinged to one side of the cigarette warehouse and used for removing inclined cigarettes in the cigarette warehouse, and the cigarettes can smoothly move downwards under the cooperation of grooves in the two sides of a partition plate and stirring rods. In addition, when the cigarettes are discharged into the cigarette storage box, the cigarettes are sucked into the cigarette storage box through the air pump, the cigarette discharging speed is increased, the running speed of equipment is optimized and improved, and the rated capacity is 320 packages per minute.

Described herein are compositions comprising a polymer / plastic carrier and potassium metabisulphite for imparting antimicrobial activity to a plastic material. Methods for making the same, and uses of the same for microbial control, are also disclosed.

The invention relates to the technical field of PCB production, and discloses an automatic packaging device for PCB production, which comprises a base, a conveying structure is arranged on the inner wall of the base, a supporting rod is rotatably sleeved on the inner wall of the base, a connecting rod is fixedly assembled on the outer edge, close to the top, of the supporting rod, a square rod is fixedly assembled on the side surface of the connecting rod, and the square rod is fixedly assembled on the inner wall of the base. And an electric telescopic rod I is fixedly assembled at the bottom of the square rod. A motor is used for driving a baffle to rotate, an exhaust pump is used for assisting gas in a main pipeline and a fixed pipe to be supplied into an inner cavity of a second telescopic hose, a spraying pipe is used for spraying an electrostatic eliminating agent to a PCB, then the motor is used for driving the baffle to rotate, an air inlet pump is used for assisting dust collection of the surface of the PCB, and a filtering frame is used for intercepting impurities and dust; and an air inlet pump is used for sucking air to supply air in a fixed pipe to push a sliding plate to move, so that the sliding plate is used for driving a clamping plate to move, and the clamping plate is used for clamping the PCB.

The utility model relates to the technical field of preparation of prefabricated vegetables, and discloses full-automatic packaging equipment for preparation of prefabricated vegetables, which comprises a vacuum packaging machine, an air exhaust cover plate and four sealing blocks, and the air exhaust cover plate is positioned at the top of the vacuum packaging machine and is rotatably connected with the vacuum packaging machine; the four sealing blocks are located on the periphery of the top of the vacuum packaging machine. The problems that in the preparation and packaging process of prefabricated dishes, vacuum sealing needs to be conducted through mutual cooperation of an air exhaust system and a sealing system, but dishes are likely to fall off in the conveying process of the prefabricated dishes through a conveying system, and a vacuum packaging machine is not provided with a structure capable of cleaning the falling prefabricated dishes, so that the production cost is reduced are solved. Certain dangerousness exists when workers conduct manual cleaning, and therefore the problem that it is inconvenient for a user to rapidly clean the prefabricated vegetables falling on the surface of the vacuum packaging machine workbench is solved.

The invention discloses a bagging and edge folding device. The bagging and edge folding device comprises a bearing table, a transferring assembly, a feeding assembly and an edge folding assembly. The transferring assembly is used for grabbing the packaging bags and conveying the packaging bags to the bearing table. The feeding assembly is used for conveying materials into packaging bags. The edge folding assembly comprises a first edge folding plate, a second edge folding plate and a rotary driving mechanism, the first edge folding plate and the second edge folding plate can move oppositely in the height direction, and the extending direction of the first edge folding plate and the extending direction of the second edge folding plate are parallel to the horizontal direction and perpendicular to the bag opening direction of the packaging bag. When the second edge folding plate and the packaging bag clamp the bag opening of the packaging bag, the first edge folding plate is clamped between the second edge folding plate and the packaging bag, and the second edge folding plate can rotate around the first edge folding plate under the action of the rotary driving mechanism, so that the bag opening of the packaging bag is folded to the position below the packaging bag under the driving of the second edge folding plate. Through the arrangement, material damage caused by manual bagging is reduced, and the material bagging efficiency is improved.

The invention relates to the technical field of mobile phone screen production, and particularly discloses assembly line semi-intelligent equipment which comprises an equipment body, a conveying belt is mounted at the top of the equipment body, a plurality of placement plates are mounted on the surface of the conveying belt, and correction mechanisms used for correcting the positions of screens are arranged at the tops of the multiple placement plates. A first shell is installed on the outer wall of the equipment body, a detection mechanism used for automatically detecting the screen placed at the top of the placing plate is installed in the first shell, a second shell is slidably installed on the outer wall of one side of the equipment body, and a film covering mechanism used for automatically covering the surface of the screen with a film is installed in the second shell. According to the equipment, before the equipment body performs film covering on the screen, the screen at the top of the placement plate can be automatically corrected by means of the correction mechanism arranged at the top of the placement plate, it is ensured that the subsequent film covering mechanism can accurately attach a protective film to the surface of the screen, and the screen film covering accuracy is improved.

The present invention relates to the technical field of carton packing, and discloses an automatic folding and packing device for cartons, which includes a transportation component. A driving component is arranged at the upper end of the transportation component, and a box sealing component is arranged at the upper end of the driving component. A pressing component is arranged on one side of the box sealing component. The transportation component includes a base. Uniformly distributed rollers are movably installed at the upper end of the base. Side plates are fixedly installed on both sides of the upper end of the base. Uniformly distributed air blowers are fixedly installed on the side surfaces of the upper ends of the side plates. Two bearings on the same horizontal line are arranged at both ends of the side of the base. The pressing component includes frame bars. The number of the frame bars is two and they are symmetrically distributed. Chutes are opened on the inner sides of the frame bars. Connecting plates are fixedly connected to the front and rear ends of the frame bars. A movable plate is arranged on the inner side of the frame bars. This automatic folding and packing device for cartons has the functions of cleaning the front folding plate before folding and tilting inward in advance, and the effect of pressing the tape tightly again after the tape is adhered.

Dual and multi-modulator projector display systems and techniques are disclosed. In one embodiment, a projector display system comprises a light source; a controller, a first modulator, receiving light from the light source and rendering a halftone image of said the input image; a blurring optical system that blurs said halftone image with a Point Spread Function (PSF); and a second modulator receiving the blurred halftone image and rendering a pulse width modulated image which may be projected to form the desired screen image. Systems and techniques for forming a binary halftone image from input image, correcting for misalignment between the first and second modulators and calibrating the projector system—e.g. over time—for continuous image improvement are also disclosed.

The utility model discloses a high-efficiency powder pressing and suction device, which includes a mold plate for placing cups, a mounting base arranged above the mold plate, a plurality of powder pressing modules arranged inside the mounting base, and a pushing module arranged below the mold plate and used to drive the cups to move upward to contact with the powder pressing modules to achieve powder pressing; the mounting base includes a convergence channel extending upward inside and penetrating the upper surface, and a plurality of avoidance holes extending downward inside and penetrating the lower surface for the cups to enter, a powder suction pipe is installed at the upper end of the convergence channel, and the avoidance holes are opened on one side facing the convergence channel and communicated with the convergence channel. The utility model can simultaneously complete the powder pressing and suction actions of multiple cups, with high production efficiency, and the entire device is separately arranged on both sides of the mold plate, with a compact layout and small occupied space.

The utility model discloses a coiling device for carpet packaging, which relates to the technical field of carpet packaging and comprises an operation box, a carpet feeding table and a control table are arranged on one side of the operation box, a carpet processing component is arranged at the top end of the carpet feeding table, and a carpet coiling component is arranged in the operation box. A carpet packaging auxiliary assembly is arranged on the inner side wall of the carpet winding assembly. According to the carpet winding device, the carpet can be wound under the driving action of the second servo motor and the third hydraulic rod through the arrangement of the carpet winding assembly, compared with manual winding, the production efficiency is greatly improved, meanwhile, the wound carpet can be pushed out through the carpet push plate, the subsequent packaging treatment process is facilitated, and the production cost is reduced. The rolling function and the taking-out function are combined, and the purpose that the carpet packaging process is smoother and more efficient is achieved.

The invention relates to the technical field of steel wire rod packing, and discloses a steel wire rod bundling and packing device which comprises a base, a forward and reverse rotation motor is fixedly mounted at the top of the base, a threaded rod is fixedly mounted at the output end of the forward and reverse rotation motor, and a sliding table is slidably connected to the top of the base; and the sliding table is in threaded connection with the threaded rod, a servo motor is fixedly installed on the outer wall of the sliding table, a rotating shaft is fixedly installed at the output end of the servo motor, and the end, away from the servo motor, of the rotating shaft penetrates through the sliding table and is fixedly provided with a bundling device. Through the arrangement of the packaging mechanism, the packaging bag can be uniformly wound on the outer wall of the coil, so that the coil can be uniformly and fully wrapped by the packaging bag, the situation that the coil is loosened in the transportation process due to insufficient packaging can be avoided, and stable transportation of the coil is facilitated.

The present disclosure relates to methods of producing a packaging container for bulk solids. The packaging container has an inner compartment and a transport closure closing the inner compartment, the transport closure being provided with a pressure relief valve, the method includes the steps of forming a tubular container body having an upper body opening; presenting the container body to an upper body opening sealing station comprising a plunger piston comprising a bottom plate, the bottom plate having a through hole; closing the upper body opening by pressing the transport closure into the upper body opening such that a pressure above an ambient pressure is produced within the tubular container body, allowing gas to exit the valve and the valve to be pre-conditioned; and attaching the transport closure to the container body wall.

The present application discloses a rapid carton sealing machine, which belongs to the technical field of carton sealing machines. A rapid carton sealing machine includes a support frame, a fixed plate is fixedly connected to the bottom of the support frame, a cover plate is fixedly connected to the upper surface of the fixed plate, and a servo motor is fixedly installed on the inner wall of the support frame. The device automatically moves the carton to the center of the conveyor belt by using the opposite movement of the push plate 1 and the push plate 2, thereby reducing the operator's manual adjustment time for the carton position and greatly reducing the operator's physical burden. The traditional manual alignment method is not only time-consuming, but may also cause physical fatigue or occupational injury to the worker due to long-term repeated actions, and improves the efficiency of the packaging process. The operator can focus more on loading rather than the precise position adjustment of the carton, thereby speeding up the overall packaging speed. At the same time, the automatic push positioning method can position each carton to the center of the conveyor belt, ensuring the standardization and consistency of the sealing process.

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 relates to the technical field of solid gum forming dies, and provides a solid gum forming die convenient for gum scraping, which comprises a solid gum forming die body, and a plurality of circular grooves are arranged at the top of the solid gum forming die body. According to the utility model, firstly, the solid glue forming mold body is placed at a required position, then materials are uniformly poured into the plurality of circular grooves, and after the materials in the circular grooves are formed, a worker turns on an external power supply of the servo motor and starts the servo motor by utilizing the controller; the output end of the servo motor gradually drives the reciprocating threaded lead screw to rotate forwards, and the sliding block located on the surface of the reciprocating threaded lead screw circularly reciprocates through continuous rotation of the reciprocating threaded lead screw, so that glue scraping operation does not need to be carried out manually, the glue scraping device is very simple, time-saving and labor-saving, and automatic glue scraping treatment can be carried out on the glue scraping device; manual operation is facilitated, and the glue scraping efficiency of the solid glue forming mold is improved.

The invention discloses a packing machine which comprises a conveying device, a first mounting frame fixedly mounted on the upper portion of the conveying device, a second mounting frame fixedly mounted on the upper portion of the conveying device, a treatment box arranged on the upper portion of the conveying device and a connecting assembly arranged on the upper portion of the conveying device. The connecting assembly comprises a cleaning mechanism arranged on the upper portion of the conveying device, a filtering mechanism is arranged on the upper portion of the conveying device, a fixing mechanism is arranged on the upper portion of the conveying device, the upper portion of the mounting base and the treatment box are fixedly mounted, and the first rotating shaft is rotationally connected with the mounting base through a bearing; the output end of the first hydraulic cylinder is fixedly connected with a first movable block, and the first movable block is in a cross shape. The problems that an existing device cannot clean the upper portion of a carton, dust, impurities and the like attached to the sealing position of the upper portion of the carton affect the subsequent packaging effect, and then the applicability of the device is affected are solved.

The invention discloses a packaging method and device for a PTG316L stainless steel cold plate. According to the packaging method, the means of cleaning and drying, rust-proof treatment, buffering protection, vacuum packaging, outer packaging reinforcement and the like are adopted for standardization and protection, corresponding materials are adopted, so that the PTG316L stainless steel cold plate is prevented from being damaged by scratches, collisions, corrosion and the like in the transportation and storage process, and the surface quality and integrity of the PTG316L stainless steel cold plate are guaranteed. The packaging device comprises corresponding equipment for achieving all packaging steps, the packaging quality of the PTG316L stainless steel cold plate can be effectively improved, the damage risk of products in the circulation process is reduced, and good application prospects are achieved.

The utility model discloses a packaging bag heat sealing and sealing automation all-in-one machine which comprises a machine frame assembly, a bag opening dust blowing assembly, a heat sealing assembly, an edge folding assembly, a sewing assembly and a conveying assembly, the machine frame assembly is at least provided with a machine frame body, and the machine frame body is provided with a main machine installation position and a height lifting mechanism. A bag opening dust blowing assembly, a heat sealing assembly, an edge folding assembly and a sewing assembly are sequentially arranged on the main machine installation position, and the height of the main machine installation position is adjusted by adjusting the height lifting mechanism. Compared with the prior art, a series of functions of automatic conveying, automatic dust blowing, automatic heat sealing, automatic edge folding and bag sewing, inverted bag conveying and the like of the heat sealing all-in-one machine are achieved, adjustment production of packaging bags with different yields of 10 kg-25 kg can be achieved through the height lifting mechanism, the sealing efficiency and the sealing effect are improved, the labor intensity of workers is reduced, and the production efficiency is improved. The labor cost is saved, and the problems of mechanical damage, chemical corrosion and the like are avoided to a great extent.

The invention relates to the technical field of vegetable cleaning and packaging, and discloses a leafy vegetable cleaning and packaging machine which comprises a machine body, and a root removing system, a yellow leaf removing system, a cleaning system, a water removing system and a packaging system which are sequentially mounted on the machine body from front to back. Root removing, yellow leaf removing, cleaning, water removing and packaging are integrated, full-process automatic operation is achieved, efficiency is greatly improved, manual intervention is reduced, precise operation is ensured, time cost is remarkably saved, processing work is efficient and smooth, the leaf vegetable processing device can adapt to most types of leaf vegetables, and the limiting baffle, the v-shaped groove and the like can be adjusted according to the types and the sizes of the leaf vegetables.

The utility model belongs to the technical field of PET packing belt production, and particularly relates to a guide assembly of a feeding device for a PET packing belt production line. The top of the supporting seat is fixedly connected with a connecting plate; a connecting column is fixedly connected between the connecting plates; the bottom of the supporting seat is fixedly connected with a fixing plate; one side of the fixed plate is fixedly connected with a motor; the output end of the motor is fixedly connected with a bidirectional screw rod; the surface of the bidirectional screw rod is in threaded connection with two moving blocks; connecting rods are fixedly connected to the two sides of the moving block; one end of the connecting rod is fixedly connected with a moving plate; one side of the moving plate is fixedly connected with a pin roller; one side of the roller is fixedly connected with a limiting plate; the problems that an existing guide assembly of the feeding device for the PET packing belt production line cannot adjust, guide and limit according to the width of a PET packing belt, and therefore work and use of the feeding device for the PET packing belt production line are affected are solved.

The utility model discloses dust blowing equipment for a corn seed packaging machine, which comprises a receiving bin arranged at the front feeding end of the packaging machine, a first conveying belt and a second conveying belt are arranged in the receiving bin, and a height difference exists between the first conveying belt and the second conveying belt. A height-adjustable pressing roller is arranged at the feeding front end of the first conveying belt, a reverse dust blowing assembly is arranged at the feeding tail end of the first conveying belt, a dust suction pipe is arranged at the top of the first conveying belt, and a reverse dust blowing assembly is also arranged above the conveying tail end of the second conveying belt. By arranging the two conveying belts with the height difference, when corn seeds on the conveying belts fall down, dust adhering to the corn seeds is removed through vibration, meanwhile, the conveying tail ends of the first conveying belt and the second conveying belt are each provided with a reverse dust blowing assembly, dust particles on the corn seeds are blown away through the effect of wind power, and the corn seeds are prevented from falling off. And meanwhile, the dust is pumped out by matching with a dust pumping pipe arranged above.