3662results about "Wrapper twisting/gathering" patented technology

The invention discloses a probiotic packaging stability control method based on deep learning, and the method comprises the following steps: collecting multi-source data in a packaging process, and carrying out the preprocessing of the multi-source data; performing time sequence feature analysis on the standardized structured data set, and extracting multi-scale time sequence features; performing target segmentation and multi-dimensional structure feature extraction on the standardized microscopic image data set; feature fusion is carried out, a probiotic packaging stability feature space is constructed, and a stable feature vector is generated; inputting a time sequence prediction network, and carrying out time sequence modeling and prediction processing; performing control parameter adjustment and constraint optimization based on a difference value between a prediction result and stability reference data; and executing and updating the packaging control adjustment scheme according to feedback to complete a packaging control closed loop. According to the method, deep learning and multi-source data analysis are fused, intelligent prediction and adaptive control of the probiotic packaging process are realized, and the method has the advantages of high stability and high precision.

The invention relates to the field of sealing control, in particular to a multifunctional sealing control method based on visual identification and a sealing machine. The method comprises the following steps: collecting a multispectral visual image of a material to be sealed, performing material depth visual identification and intelligent sealing parameter matching one by one, and generating personalized sealing process parameters; performing dynamic optical flow tracking according to the multispectral visual image, and calculating an accurate position coordinate and a time point when the material arrives at the position of the sealing machine; intelligent sealing action planning is carried out according to the precise position coordinates and the time point, and an intelligent sealing planning instruction is generated; carrying out conveyor belt rhythm analysis based on the multispectral visual image, and carrying out conveyor belt synchronous adjustment based on the intelligent sealing planning instruction to generate a synchronous adjustment signal; and synchronous transmission and sealing driving are carried out based on the personalized sealing process parameters and the synchronous adjusting signals. Sealing process parameters are adjusted in real time, and the overall production rhythm and efficiency of the sealing machine are improved.

The application discloses a multi-column packaging machine convenient to clean, which comprises a feeding assembly, a former body and a longitudinal sealing assembly. A material guiding recess is arranged at the bottom of a material bin. The accumulated powder material is gathered and guided to flow to a first discharge hole through the material guiding recess. The former body is arranged below the feeding assembly. A central through hole is arranged on the front side of the former body. A longitudinal sealing accommodating channel is movably formed between the surface in the third accommodating recess and the back surface of the longitudinal sealing movable seat. The longitudinal sealing accommodating channel is in communication with the central through hole. One end of a filling pipe is fixedly connected with the first discharge hole, and the other end of the filling pipe is sequentially arranged in the central through hole and the longitudinal sealing accommodating channel. Compared with the prior art, the application has the beneficial effects that the flowability of the powder material in the material bin is effectively improved through the arrangement of the arc-shaped curved surface, the central through hole is designed in an open type, and the detachable connection mode of the longitudinal sealing assembly is adopted, so that the disassembly direction of the longitudinal translation of the filling pipe is realized.

The invention discloses a full-automatic packaging assembly line for semiconductor material trays, which comprises a material taking and feeding mechanism, a material tray label tearing and pasting mechanism, a moisture-proof monitoring mechanism, a bagging and packaging helium detection mechanism and a boxing and packaging redetection mechanism which are arranged in sequence, and the assembly line realizes material tray grabbing, visual detection and overturning, old label tearing and new label pasting; the full-process automatic operation comprises the following steps of: automatically placing a humidity card and a drying agent, bagging an aluminum foil bag, vacuumizing, filling helium, carrying out heat sealing, carrying out helium detection, and finally automatically boxing, sealing, rechecking, labeling and stacking. By integrating multi-stage visual positioning and detection, double-path parallel heat sealing and closed-loop quality control, the packaging efficiency and precision are remarkably improved, the sealing performance, moisture resistance and traceability of product packaging are ensured, and the automatic packaging machine is particularly suitable for automatic packaging of precise electronic components such as semiconductors.

The invention discloses an ultrasonic-sealed sterile packaging system and method for retort pouches, and relates to the technical field of ultrasonic sterile packaging material forming. The ultrasonic-sealed sterile packaging system for the retort pouches comprises a sealing matching degree monitoring module, an ultrasonic-sealed sterile packaging module and an ultrasonic-sealed sterile packaging module, a sterilization stress monitoring module; a cooling stress evaluation module; and a retort pouch plastic molding qualification monitoring module. According to the method, whether sealing parameter self-adaptive adjustment is adopted or not is determined by conducting sealing matching degree analysis, then sterilization stress evaluation is conducted to determine whether sterilization temperature and pressure adjustment is adopted or not, then cooling stress evaluation is conducted to determine whether retort pouch cooling gradient adjustment is adopted or not, and finally retort pouch plastic forming state qualification verification is conducted. The effect of improving the percent of pass of the ultrasonically-sealed retort pouch aseptic packaging product is achieved, and the problem that the percent of pass of the ultrasonically-sealed retort pouch aseptic packaging product is low in the prior art is solved.

A system (100) for manufacturing sausage-shaped products, like sausages, the system (100) comprising a clipping machine (CM) and at least a clip reel (200) of a first type and at least a clip reel (300) of a second type, or only at least a clip reel (300) of the second type, each of which is configured to receive a plurality of closure means, like clips, wound thereon. The clip reel (200) of the first type has a hub (210) with a longitudinal center axis (CA1) and an inner surface (212) provided with first coupling means (240) being arranged at least approximately in the center of the clip reel (200) relative to the longitudinal center axis (CA1). The clip reel (300) of the second type has a hub (310) with a longitudinal center axis (CA2) and an inner surface (312) provided with second coupling means (340a, 340b) being arranged at least in the vicinity of the center of the clip reel (200) relative to the longitudinal center axis (CA2). The clipping machine (CM) has at least one reel holding means (RH) configured to hold at least one clip reel (200; 300) of the first or the second type and comprises at least one shaft (410) for receiving a clip reel (200; 300) of the first or second type. Furthermore, the clipping machine (CM) comprises at least one abutment means (416) against which the clip reel (200; 300) of the first or second type mounted on the shaft (410) abuts in one axial direction of the shaft (410), and at least one counter-coupling means (440) cooperating with the first or second coupling means (240; 340a, 340b) of the clip reel (200; 300) of the first or second type for reversibly fixing the clip reel (200; 300) on the shaft (410) in the other axial direction of the shaft (410).

The utility model discloses a carton sealing machine with an adhesive tape rolling function, and relates to the technical field of carton sealing machines. The carton sealing machine comprises a carton sealing machine body, a lifting plate is arranged at the top of the carton sealing machine body, a mounting frame is fixedly mounted on one side of the lifting plate, a rolling assembly and a cutting assembly are arranged in the mounting frame, and a scraping assembly and a driving assembly are arranged at the cutting end of the cutting assembly. The scraping component can indirectly reciprocate at the cutting end of the cutting component through the driving component, and the scraping component can scrape and clean residual glue adhered to the cutting end of the cutting component while moving, so that the cutting component is effectively prevented from being scraped by the scraping component after being operated for a long time. When the adhesive tape is cut off, the phenomenon that the adhesive tape is accumulated on the surface can occur, so that the overall sharpness of the cutting assembly can be guaranteed, meanwhile, the phenomenon that the adhesive tape deforms after being cut off is avoided, and the carton sealing efficiency and appearance can be guaranteed.

This utility model discloses a detachable longitudinal sealing base for strip packaging bags, including a fixed longitudinal sealing base and a movable longitudinal sealing base. The fixed longitudinal sealing base has an inwardly accommodating recess on its front side, with several locking parts protruding from the edge of the recess, arranged diagonally. The movable longitudinal sealing base has locking blocks on its side. The movable longitudinal sealing base is inserted into the recess, and then slid downwards to engage the locking blocks with the locking parts. Simultaneously, the side of the movable longitudinal sealing base fits against the inner side of the recess. Compared to existing technologies, this device divides the longitudinal sealer into two parts, using the upper and lower locking method of the locking parts and locking blocks to achieve quick-release functionality. Furthermore, it eliminates the need for repeated positioning after disassembly and assembly, significantly reducing downtime and production costs.

A sample tube sealing device, wherein the sample tube sealing device comprises a support body and a hot-press sealing mechanism. The hot-press sealing mechanism comprises a hot-press driving assembly arranged on the support body, and an aluminum film supporting plate and a heating assembly both connected to the hot-press driving assembly. In the height direction of the hot-press driving assembly, the heating assembly is arranged above the top of the aluminum film supporting plate, a through hole allowing a sample tube to pass through runs through the aluminum film supporting plate, the projection of the heating assembly on the aluminum film supporting plate is at least partially located within the through hole, the aluminum film supporting plate is used for supporting an aluminum film and enabling same to cover the through hole, and the hot-press driving assembly is used for driving the aluminum film supporting plate and the heating assembly to move up and down. The sample tube sealing device requires no additional mechanism, and the hot-press sealing mechanism achieves in-situ heat sealing with an aluminum film, thereby reducing pre-sealing steps, improving production efficiency, and avoiding degradation of sealing quality and consistency due to displacement.

The invention belongs to the field of hard disk production, and particularly relates to a hard disk assembly system and method.The hard disk assembly system comprises an assembly line, a packaging work station and a finished product work station which are sequentially arranged and further comprises a double-layer backflow conveying line and a hard disk jig arranged on the double-layer backflow conveying line; a clamping mechanical arm, a packaging box supply assembly line and a packaging box positioning jig are arranged on the packaging station, the downstream of the conveying belt is arranged close to the finished product station, and the packaging box positioning jig comprises a packaging box body positioning mechanism and a packaging cover body positioning mechanism; and a feeding mechanical arm and a finished product warehouse are arranged on the finished product station. According to the system, automation of the assembling-packaging process is achieved, an efficient and stable production closed loop without manual intervention is constructed through the automatic jig management function of the double-layer backflow conveying line and the finished product work station, and the system has extremely high application value in large-scale hard disk production.

Bagging machines include a sealing mechanism having a sealing bar and a pressure plate movable in relation to the sealing bar so that the pressure plate and the sealing bar can apply pressure to a sealing area on an envelope to form a closure seal. The bagging machines can include a high-force actuator and a low-force actuator configured to apply different levels of force to the sealing bar dependent upon the position of the sealing bar in relation to the pressure plate. The bagging machines also can include one or more grippers that separate the upper ends of the envelope walls to provide access to an interior pocket of the envelope. The grippers can be configured to disengage from their drive mechanism upon encountering an obstruction in their movement into and out of contact with the envelope walls.

The utility model relates to the technical field of sealing machines, and discloses a vacuumizing sealing machine which is characterized in that a sealing assembly comprises an exhaust pipe which is fixedly arranged on a machine body and extends out of the front side of the machine body; the bag placing assembly comprises a platen fixedly installed on the front side of the machine body, a rodless air cylinder fixedly installed above the platen, a bag placing plate fixedly installed above a rodless air cylinder sliding table, finger air cylinders located above the bag placing plate and located on the left side and the right side of the exhaust pipe and an adjusting assembly, and the finger air cylinders are connected with the bag placing plate through the adjusting assembly. And the bag placing plate is positioned below the exhaust pipe. In conclusion, the packaging bag sealing device has the beneficial effect of liberating both hands of a worker, and solves the problems that the worker needs to hold a packaging bag with both hands all the time to prevent the packaging bag from falling off during air exhaust sealing, so that both hands of the worker are occupied, and the next bag can be prepared after the packaging bag is sealed; and the working efficiency is influenced.

Packaging methods include inserting an article into a virtual pouch defined by folding and tacking a first sheet of textile material. The first sheet is then folded about the article such that the first sheet encompasses the article. A second sheet of a textile material is then folded about the first sheet into a configuration such that the second sheet entirely envelops and encloses the first sheet and the textile article. The second folded sheet is then secured in the enveloping configuration. Alternatively, the article is wrapped in and encompassed by a first sheet of textile material by folding and the resulting package is then enclosed within a virtual pouch created in a second sheet of textile material. The resulting outer sheet enclosing the inner sheet with the textile article is then secured in its enclosing configuration with a strap. The packaging materials can be cleaned and decontaminated for reuse.

The utility model discloses an edge banding device for paper diaper production and packaging, which comprises a rack, two conveying seats and an edge banding device, the two conveying seats are arranged on the front side and the rear side of the rack, the edge banding device is arranged on the top of the rack, and the edge banding device comprises an electric lifting rod, a lifting seat and a mounting frame, the electric lifting rod is fixed to the top face of the inner side of the rack, the output end of the electric lifting rod is connected with the lifting base, and an edge sealing pressing head is arranged on the bottom face of the lifting base. According to the edge sealing device for paper diaper production and packaging, a paper diaper packaging bag is conveyed to the position of an edge sealing device through a conveying base, an electric lifting rod drives a lifting base and a mounting frame to move downwards, a pressing roller on the mounting frame makes contact with the paper diaper packaging bag firstly, and a bag opening of the paper diaper packaging bag is flattened; and then an edge sealing pressure head on the lifting seat carries out edge sealing treatment on the paper diaper packaging bag, so that the situation that the packaging and sealing quality is affected due to wrinkles and unevenness when the paper diaper packaging bag is sealed is avoided.

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.

Various embodiments of the present disclosure provide a strapping device with a combined tensioning-and-welding assembly. The tensioning-and-welding assembly includes a tensioning-and-welding wheel that is: (1) rotatable about a tensioning-and-welding-wheel rotational axis to tension strap around a load; and (2) longitudinally movable along the about a tensioning-and-welding-wheel rotational axis to seal two overlapping portions of the strap together.WO

The utility model discloses test tube film sealing equipment, and relates to the technical field of test tube detection, the test tube film sealing equipment comprises a machine body, a film feeding device, a film cutting device and a film sealing device, the machine body is provided with a film feeding station, a film cutting station and a film sealing station which are arranged at intervals, and the film sealing station is used for placing test tubes; the film feeding device is arranged at the film feeding station and is used for conveying a film material to the film cutting station; the film cutting device is arranged at the film cutting station and is used for receiving the film material conveyed by the film conveying device and cutting the film material into a film sheet with a preset length; the film sealing device comprises a driving mechanism and a film sealing mechanism, the driving mechanism is arranged on the machine body, the film sealing mechanism is movably arranged under the driving of the driving mechanism so as to have a movement stroke between the film cutting station and the film sealing station, and the film sealing mechanism is used for transferring the film from the film cutting device to the film sealing station and enabling the film to be heat-sealed at the opening of the test tube. According to the technical scheme, automatic film sealing of the test tubes is achieved, and the cost for sealing and storing the test tubes is reduced.

The invention relates to an automatic sock packaging assembly line, and belongs to the field of mechanical equipment. The device comprises a hook loading mechanism, the hook loading mechanism comprises a hook bin and a hook manipulator, the hook manipulator is matched with the hook bin, the device is structurally characterized by further comprising a feeding mechanism and a bagging mechanism, the hook loading mechanism is matched with the feeding mechanism, and the feeding mechanism is matched with the bagging mechanism; the feeding mechanism comprises a sock taking device, a folding device, a plate folding device, a feeding suction cup, a feeding conveying belt and a button punching machine, the sock taking device, the feeding conveying belt, the folding device, the feeding suction cup and the plate folding device are sequentially arranged in the conveying direction, and the button punching machine is matched with the feeding conveying belt; the folding device comprises a first folding air cylinder, a second folding air cylinder, a third folding air cylinder, a folding connecting rod and a folding connecting plate, the second folding air cylinder is installed on the first folding air cylinder, the third folding air cylinder is installed on the second folding air cylinder, the folding connecting rod is connected with the third folding air cylinder, and the folding connecting plate is connected with the folding connecting rod.

The utility model belongs to the technical field of food preservation, and particularly relates to an alcohol bag for food preservation. The alcohol fresh-keeping material comprises a front-side wrapping material, a back-side wrapping material and an alcohol fresh-keeping material body, a middle reserved cavity is formed by the front-side wrapping material and the back-side wrapping material in a peripheral hot-pressing mode, and the middle reserved cavity is filled with an alcohol fresh-keeping material body. The surface of the front surface wrapping material is provided with breathable micropores. Ventilation micropores are formed in the back surface wrapping material. The ventilation micropores are conical holes, and the taper can be adjusted so as to assist in controlling the volatilization speed of the alcohol. Each of the front-side wrapping material and the back-side wrapping material is composed of a high-temperature-resistant printing layer, a composite connecting layer and a heat sealing layer. The alcohol fresh-keeping material body is a pure liquid or a colloidal mixture or particles. The packaging film formed by extruding macromolecules ensures that the packaging film is air-permeable and liquid-impermeable, the volatilization speed is adjustable, the situation that the taste of food is affected by overhigh local alcohol concentration is not easily caused, and meanwhile, the food can be kept fresh for a long time.

The invention relates to the technical field of desiccant packaging equipment, and discloses a desiccant packaging supply film forming device which comprises a packaging forming device and a regulation and control conveying mechanism installed on the packaging forming device. Comprising a first rotating shaft fixedly connected with the packaging forming device and a first friction roller fixed to the first rotating shaft. Each of the two second friction assemblies comprises a second friction roller mounted on the first rotating shaft; the moving assembly is used for controlling the two second friction rollers to move; the heat dissipation assembly works in cooperation with the moving assembly and is used for enabling two second friction rollers to move in opposite directions through the moving assembly according to the friction coefficient needed by the packaging film and the material of the packaging film, and the contact area between the two second friction rollers and the packaging film is changed; for a smooth PE film, the contact area is reduced, and the friction force is reduced; for rough composite aluminum films, the contact area is increased, the friction force is improved, film material slipping or tensile deformation is avoided, and the film supply stability is ensured.

The invention discloses intelligent suspension conveying equipment for tea production, and belongs to the technical field of intelligent suspension conveying. The intelligent suspension conveying equipment comprises a fixing frame, a first fixing plate is arranged at the bottom of the fixing frame, rotating shafts are arranged in the two ends of the first fixing plate, belt round heads are arranged on the outer sides of the rotating shafts, and transmission belts are arranged on the outer sides of the belt round heads; a movable suspension arm is arranged on the outer side of the transmission belt, and adsorption equipment is arranged at the bottom of the movable suspension arm; a fixed frame is fixedly connected to the interior of the movable suspension arm, a second sliding rail is arranged in the fixed frame, a sliding block is movably connected to the interior of the second sliding rail, a movable rod is fixedly connected to the inner side of the sliding block, a third fixed plate is fixedly connected to the outer side of the adsorption equipment, and an electric hydraulic cylinder is fixedly connected to the inner side of the third fixed plate; push rods are movably connected to the inner sides of the electric hydraulic cylinders, and clamping blocks are fixedly connected to the inner sides of the push rods. The problems that height difference exists between adsorption equipment and materials, and manual feeding is needed are solved.

The invention relates to the technical field of powder packaging, and discloses a negative pressure dust removal and recovery integrated quadrilateral powder packaging machine which comprises a material conveying unit, a bag making and forming unit, a bag pressing mechanism and a negative pressure dust removal mechanism. According to the packaging machine, the negative pressure pipe extending into the material conveying nozzle and the bag pressing roller for clamping the packaging bag on the surface of the material conveying nozzle are arranged, the bag pressing roller clamps the upper opening of the packaging bag, so that a relatively closed space is formed in the packaging bag, powder overflowing is reduced, redundant air and raised powder in the bag are discharged through the negative pressure pipe, and the packaging efficiency is improved. Through the combined action of the bag pressing mechanism and the negative pressure dust removal mechanism, the negative pressure dust removal and recovery functions are achieved, the function of adapting to the material filling rhythm is achieved, material filling and dust removal are conducted in a peak shifting mode, and ordered operation of the system is guaranteed.

The invention discloses a full-automatic metal coiled material packaging machine, and belongs to the field of metal coiled materials. Comprising a machining platform and a winding machine body, a first hydraulic rod used for supporting the winding machine body is fixedly connected to the upper surface of the machining platform, and a film covering mechanism used for conducting multi-layer composite wrapping on a coiled material is arranged in the middle of the upper surface of the machining platform; adjusting assemblies used for adjusting the position of the film covering mechanism are fixedly connected to the two sides of the upper surface of the machining platform. Through the arrangement of the film covering mechanism and the wrapping mechanism, when the coiled material is packaged, the to-be-packaged copper foil coiled material is arranged on the bearing cylinder wrapped with the buffer material in a sleeving mode, the first covering assembly is precisely controlled through the adjusting assembly so that the damp-proof film can be attached to the side end face of the coiled material, and two adsorption plates work cooperatively; the film material is tightly attached to the two end faces of the coiled material to form the lap joint area, then the abutting assembly pushes away the redundant film material towards the outer edge, accurate edge alignment and heat sealing reinforcement are achieved, and the problem of surface damage caused by a traditional packaging mode is solved.

The invention discloses full-automatic edge folding and corner folding equipment for a VIP (vacuum insulation panel), relates to the technical field of packaging and corner folding of the VIP, and comprises a case used for performing corner folding treatment on a packaging bag on the outer side of the VIP in the packaging process. In the VIP heat insulation board packaging treatment process, corner folding equipment is used for conducting corner folding treatment on side bands existing on the sides of packaged VIP heat insulation boards, in the treatment process, robot transferring, full-automatic centering, full-automatic glue spraying, full-automatic edge folding and corner folding are adopted, accurate lossless edge folding is conducted through clamping and positioning, and the production efficiency is greatly improved. The non-destructive edge pressing is carried out through the attaching type push-pull mechanism, internal inclined type pre-bending is adopted in the angle bending aspect, leakage caused by a convex angle during rear end angle bending is prevented, the lifting clamping mechanism and the attaching type push-pull mechanism are still adopted during rear end angle bending, silica gel is arranged at the joint of the lifting clamping mechanism and the attaching type push-pull mechanism to serve as a contact point, and the damage to the surface is avoided. And meanwhile, the surface compactness and flatness after edge folding and angle folding are improved.

The utility model relates to the technical field of plastic production and processing, and discloses plastic production and processing packaging equipment which comprises a machine tool, a conveying belt is arranged in the machine tool, a shell is fixedly connected to the top of the machine tool, two sliding frames are fixedly connected to the top of the machine tool, and gears are rotationally connected to the bottoms of the two sliding frames. Toothed plates are connected to the front sides and the rear sides of the outer walls of the two gears in a meshed mode correspondingly, wedge blocks are fixedly connected to the outer walls of the multiple toothed plates correspondingly, two sliding rails are fixedly connected to the interiors of the two sliding frames correspondingly, and the bottoms of the two toothed plates on the adjacent sides are fixedly connected with the same first hot clamping plate correspondingly. According to the sealing device, the second hot clamping plate can accurately push the toothed plate to synchronously move through linear driving of the first telescopic rod, it is guaranteed that the first hot clamping plate and the second hot clamping plate on the two sides synchronously move in the opposite direction by combining meshing transmission of the gear and the rack, and symmetrical pressing sealing of a packaging bag is achieved.

The utility model discloses a vacuum sealing machine which comprises a base, an air exhaust hole is formed in the base, and the air exhaust hole penetrates through the lower wall of the base. The water tank assembly is located on the upper surface of the base, an air inlet part and an air outlet part are arranged on the water tank assembly, an air inlet channel of the air inlet part is communicated with the air exhaust hole, and the ends, located in the water tank assembly, of the air inlet part and the air outlet part are higher than the midpoint, perpendicular to the upper surface of the base, of the water tank assembly; the air exhaust assembly is provided with an air inlet, the air inlet is communicated with the air outlet channel of the air outlet part, and the air exhaust assembly is used for generating negative pressure; the turning cover is rotationally connected to the side, away from the air exhaust assembly, of the base, and the turning cover rotates between an unfolding position and a closing position; and a heat sealing piece is arranged on the side, away from the rotating connecting side, of the lower surface of the base and used for heating the bag opening, through the arrangement of the structure, gas-liquid separation can be effectively conducted, and liquid suck-back in the gas exhaust process is prevented.

The invention relates to the technical field of sealant packaging equipment, in particular to an automatic sealant production line which comprises a bag sealing mechanism. The bag sealing mechanism comprises a frame body, an unwinding assembly is arranged at the top of the frame body and comprises a shear fork arm assembly and a driving motor, carrier rollers are symmetrically installed at the two ends of the top of the shear fork arm assembly, and an auxiliary synchronous belt wheel is fixed to one end of one carrier roller; a third rotating shaft is arranged at the intersection point position of the shear fork arm assembly, one end of the third rotating shaft is fixedly connected with the output end of the driving motor through a coupler, and a main synchronous belt wheel in driving connection with the auxiliary synchronous belt wheel is fixed to the other end of the third rotating shaft; a first rotating shaft in sliding fit with the upper side plates on the two sides is arranged at one end of the bottom of the shear-fork arm assembly, and a second rotating shaft is arranged at the other end of the bottom of the shear-fork arm assembly and rotationally connected with the upper side plates on the two sides. The distance between the carrier rollers changes synchronously in real time along with the dead weight of the film roll and is matched with the dead weight of the film roll all the time, and dynamic and accurate adaptation in the full-unwinding process is achieved.

A special-shaped bag filling and packaging machine comprises a machine frame, a film feeding, slitting and folding mechanism, a material filling mechanism, a sealing and bag making mechanism, a film pulling mechanism and an appearance trimming mechanism, and the film feeding, slitting and folding mechanism, the material filling mechanism, the sealing and bag making mechanism, the film pulling mechanism and the appearance trimming mechanism are installed on the machine frame and sequentially distributed in the movement sequence of a film. And the filling station, the sealing station, the film drawing station and the trimming station are sequentially arranged from top to bottom along the rack. According to the utility model, the structure is improved, so that the occupied area is effectively reduced; due to the fact that a cutter of the shape trimming mechanism is provided with a point-shaped connecting groove, the special-shaped bag finished product and a thin film are connected in a disconnected mode, the swing device drives all the vacuum suction cups to swing, the special-shaped bag finished product is sucked at the bag taking station, taken down from the thin film and moved to the bag placing station, and then the special-shaped bag finished product in a lying state is put down. Therefore, the special-shaped bag finished product can be accurately placed on the bag placing station, and the special-shaped bag finished product can be quickly taken out and flatly placed.

The utility model discloses an automatic clothing packaging machine. Comprising a clothes folding device, a bag supply device, a clothes clamping device used for feeding folded fabric into a fabric plastic bag, and a bag opening device used for opening the fabric plastic bag and adjusting the opening width and height according to the size of the folded fabric. The fabric is folded into a block shape through the clothes folding device, meanwhile, the fabric plastic bag is conveyed to the bag opening device through the bag supplying device, the bag opening device blows air into the fabric plastic bag to open a bag opening, and the fabric plastic bag opening device opens the fabric plastic bag. A bag opening is opened according to the width and the height of the folded fabric and is kept in a tensioned state, the folded fabric is clamped by the clothes clamping device and is fed into the opened fabric plastic bag, and then the fabric plastic bag filled with the fabric is conveyed to the plastic bag tearing and sealing device by the conveying device; and the plastic bag tearing and sealing device is used for translating and tearing the adhesive tape of the fabric plastic bag and sealing the plastic bag.

A cat litter box includes: a box body, configured to be used by a cat to excrete feces; and an automatic litter supplying device, storing cat litter and configured to supply at least part of the stored cat litter into the box body. The automatic litter supplying device is disposed at a lateral side of the box body.