39results about How to "Improve sealing efficiency" patented technology

The invention provides boxing and stacking equipment and a working method thereof.The boxing and stacking equipment comprises a rack and a box body defect detection mechanism, a box body stacking mechanism, an opening expanding and boxing mechanism and a mechanical arm which are arranged on the rack, the box body defect detection mechanism comprises a detection camera assembly, a sensor assembly, a conveying belt and a defect removing assembly, and the conveying belt is arranged on the rack; the conveying belt can drive boxes placed on the conveying belt to move in the conveying direction, the sensor assembly is arranged at the inlet end of the conveying belt, the sensor assembly, the detection camera assembly and the defect removing assembly are sequentially arranged in the conveying direction, the box stacking mechanism comprises a stacking plate and an adsorption head, and the opening and boxing mechanism comprises a push plate assembly and a supporting plate assembly. The pushing plate assembly and the supporting plate assembly are arranged on the two sides of the stacking plate respectively, the box sealing mechanism comprises a cover plate folding assembly, a linear sealing machine core, a corner edge sealing machine core and an adhesive tape supporting and pasting assembly, the cover plate folding assembly is arranged at one end of the linear sealing machine core, and the adhesive tape supporting and pasting assembly is arranged at one end of the corner edge sealing machine core.

The utility model discloses a bag bottom forming heating device of bag making machine relates to bag making machine technical field, including bag making machine and the transmission connection of its conveyer belt, the surface of conveyer belt is provided with packing bag, the surface of bag making machine is provided with brake mechanism, the brake mechanism includes elevating support and heating plate, the surface fixedly connected with monitoring probe of elevating support, the inside of heating plate is provided with the heat sealing mechanism of heat sealing packing bag, the heat sealing mechanism includes first heating strip and second heating strip, the inside slidingly connected with adjusting lever of heating plate, and this bag bottom forming heating device of bag making machine is detected and tracking to the identification of packing bag through monitoring probe, avoids the deviation when sealing, drives heating plate through elevating support, makes first heating strip and second heating strip and packing bag mutually close, and simultaneously completes the bag bottom sealing operation of multiple packing bags, improves packing bag bag bottom sealing efficiency.

The utility model relates to a control board assembly and a washing and drying machine, and the control board assembly comprises a panel seat which is constructed to be an integrated part and is provided with a mounting cavity, the panel seat comprises a back plate, and the back plate is arranged opposite to a first opening of the mounting cavity and is provided with a second opening; the plate box is arranged in the mounting cavity and is connected with a wire harness; the display panel covers the first opening and is connected with the panel seat in a sealing manner; the back plate is provided with a second opening, the cover plate covers the second opening and is connected with the back plate in a sealed mode, a wire passing groove is formed in the cover plate, the wire harness is arranged in the wire passing groove in a penetrating mode through the second opening, and the control plate assembly has good sealing performance.

The utility model provides a kind of arc profile composite gel handrail sealing strip, the overall arc shape of sealing strip body, sealing strip body includes hard glue part and soft glue part, the cross section of hard glue part is dovetail shape structure, the cross section of soft glue part is circular arc structure, hard glue part and soft glue part are integrally formed by two-color extrusion, there is a clamping groove on the dovetail shape structure of hard glue part, clamping groove is matched with the second cover plate of handrail and is fixedly connected, so that hard glue part is rigidly fixed with the second cover plate;Soft glue layer is circular arc structure, enhances dynamic sealing adaptability;The cross section curvature of sealing strip body whole is matched with contact surface, significantly reduces the overlapping contact amount when closing, reduces friction resistance and abrasion risk, reduces closed friction, while improving sealing efficiency.

This utility model discloses a tube cutting device, including a support frame fixed to a machine base. A first guide rod and a second guide rod pass through the support frame. Each guide rod has a positioning seat with a groove. A second rotating wheel is located within the groove and is rotatably connected to the top of a swing arm. A swing arm sleeve is located at the bottom of the swing arm and fits onto a swing arm shaft, which is fixed to the machine base. Rollers are located in the middle of both swing arms, each located in an eccentric groove of a cam. Both cams are fitted onto a drive shaft located on opposite sides of the swing arm. The drive shaft rotates under the drive of a motor. Cutting blades are located at the ends of both the first and second guide rods. This tube cutting device uses a power assembly to simultaneously lift and operate the cutting and clamping units with a single power source, greatly saving space, requiring no adjustments, and offering fast operation, significantly improving sealing efficiency.

The utility model discloses a kind of vacuum glue injection equipment of integrated ultra-low leakage rate and quick sealing function, comprising: equipment frame, the positioning table for positioning and placing product is equipped on the equipment frame upper end, vacuum glue injection cover is movably lifted by limiting guide rod and is equipped on the outside of positioning table, glue injection shaft, glue injection plate rotation is driven by gear transmission by servo motor, cooperate equidistant glue injection head, realize 360 ° rotation glue injection. Compared with traditional fixed glue injection head, it can be flexibly adapted to the multi-angle glue injection needs of complex products, solve the single problem of glue injection path, ensure that colloid is evenly distributed, effectively improve product yield. Vacuum pump, pneumatic butterfly valve and vacuum pressure sensor constitute intelligent system. Sensor real-time monitoring pressure in vacuum glue injection cover, feedback to control system, automatically adjust butterfly valve opening degree and pump operation, change the instability of manual adjustment, ensure that vacuum degree is stable during vacuum glue injection process, reduce bubble generation, improve product quality.

This invention provides a sealing mechanism for a sealing machine. It solves the problems of existing sealing machines that require heating the base with heating plates before pressing it against the sides of the product to seal, resulting in low heating efficiency, slow response, and long waiting times for both heating and cooling. This invention uses two ceramic heating plates pressed against the inner wall of the belt to heat and seal the product in the clamping position. This results in a faster heating response, quicker temperature rise, and more uniform heat distribution. Furthermore, the aluminum base does not participate in the heat conduction process; the sealing is achieved directly through the ceramic heating plates, effectively improving sealing efficiency. Compared to traditional copper bases, it also significantly reduces the overall weight of the equipment.

This invention discloses a high-strength, slag-resistant embedded slag-blocking wall, comprising a tundish and a slag-blocking wall body. The slag-blocking wall body is inclinedly disposed in the middle of the tundish. A bottom groove is provided at the bottom of the tundish body, and side grooves symmetrically arranged on the front and rear side walls of the tundish to connect with the bottom groove for accommodating the slag-blocking wall body are provided. The slag-blocking wall body includes a hollow bottom beam abutting against the inside of the bottom groove, and a laterally extending sedimentation bottom plate is fixed to the top of the hollow bottom beam. The beneficial effects are: this invention reduces the dead zone problem caused by poor steel flow at the contact point between the bottom side of the slag-blocking wall and the tundish, promotes the flow of molten steel along the guide holes of the inclined impact-resistant back plate, thereby promoting the floating of slag inclusions and improving the cleanliness of the molten steel; the slag-blocking wall body utilizes its own weight to achieve a seal at the contact point between its outer edge and the tundish, eliminating the need for additional mortar coating for sealing, improving the convenience of replacing the slag-blocking wall inside the tundish and the sealing efficiency, and increasing production efficiency.

The water injection well packer sealing performance verification device comprises a separate injection pipe column, the separate injection pipe column comprises an oil pipe, the lower end of the oil pipe is connected with a separate injection tool string, the upper end of the oil pipe is hung on a water injection well opening, and the oil pipe is sequentially connected with a sleeve protection packer and a multi-layer wave code water distribution device. The oil pipe is connected with the electric control valve through the water injection wellhead pipeline, and the electric control valve is installed on the water injection wellhead pipeline to achieve rapid opening and closing actions of the water injection wellhead valve and generate pressure wave signals. The electric control valve is electrically connected with a ground controller; the ground controller is connected with a remote control system; and the surface control device is arranged near a water injection wellhead. The invention further discloses a sealing performance verification method for the packer of the water injection well, the problems that the sealing performance verification experience of an existing packer of the water injection well is dominant and the operation is tedious are solved, the sealing verification procedure is simplified, and the sealing performance verification standardization and automation of the packer of the water injection well are achieved.

The utility model discloses a novel air spring processing sealing machine which comprises a support and a processing platform arranged on the top face of the support, a positioning channel is arranged on the processing platform, and a cylindrical clamping positioning seat used for placing and positioning an air spring is arranged in the positioning channel. A rotating motor is fixed in the support, the bottom end of the cylindrical clamping and positioning seat is connected with the rotating motor, the top surface of the machining platform is provided with a pressing limiting structure and a pressing sealing structure, and the pressing limiting structure and the pressing sealing structure are located at the two ends of the diameter of the positioning channel; the abutting sealing structure comprises a sealing wheel rotationally connected through a bearing, and the joint of the bottom face and the side face of the sealing wheel is an arc-shaped face. The air spring sealing device is reasonable in structural arrangement, few in overall structural component, capable of effectively and rapidly achieving sealing operation of an opening of a shell of an air spring through the abutting and pressing limiting structure and the sealing wheel, capable of improving sealing efficiency and sealing stability, convenient and fast to operate, suitable for large and small machining environment requirements and capable of widening the application range of the air spring sealing device.

The utility model discloses a handheld box sealing device, and relates to the technical field of adhesive tape box sealing devices. The carton sealing device comprises a carton sealing device body, a knife cylinder and a pen container, the inside of the knife cylinder and the inside of the pen container are of a cavity structure, bases of the knife cylinder and the pen container are fixed to an upper side baffle of the carton sealing device body through internal screws, the connecting portion of the knife cylinder and the pen container is a handheld portion, and anti-skidding protruding point rubber sheets are arranged at the handheld portion of the knife cylinder and the pen container in an adhering mode. The cutter cylinder comprises a push button body, a box opening blade, a sliding rod table, a spring body, a spring pin, a first limiting piece, a cutter edge, a push button groove, a blade groove and a sliding rod groove. According to the box sealing device, the cutter cylinder is arranged, the box opening blade in the cutter cylinder is suitable for repeated box opening operation, safety is good, adhesive tape adhesion is not prone to occurring, the pen container is arranged in the box sealing device, follow-up marking and recording operation of packaging box packing is facilitated, the anti-skid rubber protruding points cover the handheld position of the box sealing device, friction force between the hand and the box sealing device can be increased, and the box sealing device is convenient to use. And the box sealing efficiency is greatly improved.

The application relates to the field of pipe manufacturing, and discloses a sealing method and sealing equipment for reinforced composite pipes, which comprises the following steps: S1. heating a sealing ring (3) by using a first heating device (1) so that an end surface of the sealing ring (3) for being jointed to the reinforced composite pipe (4) is melted; heating an end surface of the reinforced composite pipe (4) to be sealed by using a second heating device (2) so that the end surface to be sealed is melted; S2. moving at least one of the sealing ring (3) and the reinforced composite pipe (4) so that the melted end surface of the sealing ring (3) is coaxially connected with the end surface to be sealed of the reinforced composite pipe (4), and the coaxial connection is kept under a predetermined axial pressure for a predetermined time. The sealing method of the application facilitates the melted state to better meet the sealing requirement, thereby improving the final fusion effect, and the grinding pipe step is omitted by making the melted thickness of the sealing ring larger, and the sealing efficiency is effectively improved.

The utility model belongs to the technical field of packaging equipment, and particularly relates to a fast carton sealing neon lamp packaging device which comprises a carton sealing workbench body, two conveying belts used for moving cartons are arranged at the top of the carton sealing workbench body, and blowing mechanisms are arranged on the carton sealing workbench body and the conveying belts. The blowing mechanism comprises an air pump arranged on one side of the carton sealing workbench body, the air pump arranged on the blowing mechanism is communicated with the high-pressure air spraying head, and when the downward bending angle of the carton folding cover is too large, high-pressure air sprayed out of the high-pressure air spraying head blows the carton folding cover to rotate upwards. Hollow mounting seats are arranged at the tops of the two conveying belts; the neon lamp packaging and sealing device can ensure that a carton can be timely matched with a side covering rod, a front cover folding piece and a rear cover folding piece on the automatic cover folding mechanism, reduces the problems of carton clamping, carton sealing failure and the like in the carton sealing process, enables the neon lamp packaging and sealing process to be smoother and more efficient, and can improve the carton sealing efficiency compared with a traditional device.

The utility model discloses a food packaging bag sealing device. The food packaging bag sealing device comprises conveying equipment and sealing equipment used in cooperation with the conveying equipment. A plurality of sets of limiting units are evenly arranged on the conveying equipment, the sealing equipment is arranged on the conveying equipment and comprises a motor, an eccentric wheel is arranged at the output end of the motor, and a sealing assembly moving up and down is arranged below the eccentric wheel. A rotating wheel making contact with the eccentric wheel is arranged at the top of the sealing assembly, and a heating piece is arranged at the bottom of the sealing assembly and matched with a limiting unit below to complete sealing. Through cooperation of the sealing device and the conveying device, food packaging bags are placed in the limiting units of the sealing device and sequentially conveyed to the position below the sealing device, the sealing device drives the eccentric wheel to rotate through the motor, and the eccentric wheel drives the sealing assembly to heat and seal the food packaging bags below the sealing assembly in the process of moving up and down. And therefore, continuous sealing processing of the food packaging bags is achieved, and the sealing efficiency is improved.

This utility model relates to the field of food production technology and discloses an automatic food carton sealing machine, including an operating table. A loading platform and a unloading platform are respectively provided at both ends of the operating table. A pressing component is fixedly installed on the loading platform, and a carton body is placed on the loading platform. A transmission component and a sealing component are provided on the operating table, and an adhesive tape body is provided on the top of the sealing component. In this utility model, by setting up the pressing component, the two short tongues of the carton body are flattened and the two long tongues are pre-shaped, while the height of the carton body can be measured. After receiving the height data, the remote control center adjusts the overall height of the sealing component. By setting up the transmission component to clamp and transmit the carton body, the width of the carton body can also be measured. After receiving the height data, the remote control center adjusts the auxiliary clamping and feeding distance of the sealing component, thereby realizing intelligent identification of carton data.

The utility model belongs to the field of ceramic blank film sealing, especially a kind of ceramic blank film sealing device, after the existing ceramic blank is mixed, shape is made into long cylindrical shape, to reduce the drying speed of blank, usually artificial is wound on blank using film, since blank has certain weight, greatly increase the labor problem of personnel under the condition of long time work, present and propose following scheme, it includes base and the film roll for carrying out film sealing to ceramic blank, the top side of base is fixedly arranged with the placing rack for placing film roll, by drive mechanism, film can be stably and quickly wound on ceramic blank, improve film sealing efficiency, simultaneously replace the mode that traditional artificial is wound on blank using film, significantly reduce the labor intensity of operator, the spacing between first U-shaped frame and second U-shaped frame can be adjusted by adjusting mechanism, to adapt to the ceramic blank of different diameter thickness size.

The utility model discloses a kind of double-membrane compatible longitudinal sealing mechanism, including mounting plate, guiding plate is sequentially provided on the mounting plate from top to bottom, film pulling device, heating device and compression device;Thin film is guided through guiding plate, driving assembly drives paper pulling wheel, and cooperate with driven wheel to pull packaging film, heating device is heated to suitable sealing temperature to thin film, then the sealing is completed by compression of driving, driven longitudinal sealing wheel, speed regulating device is applied to belt and changes the running speed of compression device, adapts different membrane material.In addition, the opening and closing of driving swing block and passive swing block are controlled by electromagnet, can effectively prevent thin film from being scalded, driving longitudinal sealing wheel and driven longitudinal sealing wheel built-in heating copper block, improve sealing efficiency.The utility model heating speed is fast, with anti-scalding membrane opening and closing structure and anti-wrinkle speed regulation function, strong flexibility, and the compatibility of different membrane material is good.

This utility model relates to the field of grout stopper technology and discloses a grout stopper for pressure grouting in karst fissures. It includes a core tube, one end of which is fixedly connected to a grouting pipe. Multiple grout stopper components are arranged on the outer wall of the core tube, each component including a sealing rubber sleeve. The inner wall of each sealing rubber sleeve is fixedly connected to the outer wall of the core tube, and a wear-resistant ring is fixedly connected to the outer wall of each sealing rubber sleeve. Multiple anti-slip grooves are formed inside each wear-resistant ring, and an air inlet pipe is provided inside each sealing rubber sleeve. In this utility model, the multiple individually inflated sealing rubber sleeves can adapt to the sealing requirements of different working conditions. The wear-resistant rings ensure that the sealing rubber sleeves will not be excessively worn or damaged. This solves the problem of sealing failure and grout leakage caused by the difficulty of adapting the integral sealing body to the irregular hole walls in karst geology in existing grout stoppers, thus improving the sealing reliability and equipment reuse efficiency of grouting construction.

The utility model relates to the technical field of sealing flanges, and discloses a low-temperature sealing flange for an ozone generator, which comprises a flange seat, a plurality of connecting columns are arranged on the flange seat, and two sides of the flange seat are connected with interfaces; sealing rings are arranged at the connecting positions of the connector and the first connecting pipe and the second connecting pipe, the sealing rings are made of fluororubber materials, the sealing rings are filled with graphene, a plurality of notches are formed in the surface of the connector, a plurality of protruding blocks are arranged on the inner sides of the sealing rings, and the protruding blocks are connected with the notches in a clamped mode. According to the utility model, the bumps on the surface of the sealing ring are all clamped into the notches, so that the sealing ring is limited, the stability of the sealing ring is improved, deviation is avoided, the sealing efficiency is improved, and the graphene is arranged in the sealing ring, so that the low-temperature elasticity and the ozone penetration resistance can be improved, and the problems of sealing performance reduction, material embrittlement and the like are prevented; ozone leakage is avoided, ozone generation efficiency is not affected, environmental pollution is avoided, and potential safety hazards are prevented.

The application discloses a kind of for supercritical CO2 turbine cylinder shaft seal passive adaptive sealing system, including high-pressure outer cylinder and coaxially arranged in high-pressure outer cylinder high-pressure inner cylinder;Upper gas seal chamber and lower gas seal chamber are respectively arranged on the inner side of high-pressure inner cylinder upper half and high-pressure inner cylinder lower half at the end seal of high-pressure inner cylinder;Upper through-flow chamber and lower through-flow chamber are respectively arranged on the inner side of high-pressure inner cylinder upper half and high-pressure inner cylinder lower half at the flow section of high-pressure inner cylinder;First self-flow gas guide pipe is communicated between upper through-flow chamber and upper gas seal chamber, and first drainage channel is formed by the directional flow of upper through-flow chamber to upper gas seal chamber;Second self-flow gas guide pipe is communicated between lower gas seal chamber and lower through-flow chamber, and second drainage channel is formed by the directional flow of lower gas seal chamber to lower through-flow chamber.The application can significantly improve the sealing efficiency of the system, effectively reduce the heat loss, reduce unnecessary air leakage, and realize the economic efficiency and reliability of equipment operation.

This utility model relates to the field of battery technology and discloses a sealing device for sealing the electrolyte inlets of battery cells. It includes a feeding body, sealing films, and a film-applying mechanism. The feeding body has an adhesive surface; multiple sealing films are adhered to the adhesive surface. The film-applying mechanism includes a driving component, a picking component, and a peeling component. The picking component is connected to the driving component, and the peeling component is disposed on the picking component. The driving component is used to drive the picking component to grasp the feeding body until the multiple sealing films on the feeding body are applied one by one to the electrolyte inlets of multiple battery cells, and to drive the peeling component to peel the feeding body off the multiple sealing films. This utility model integrates multiple sealing films onto the feeding body, facilitating the picking of sealing films. Furthermore, the integrated arrangement of multiple sealing films on the feeding body allows for batch sealing of the electrolyte inlets of multiple battery cells, improving sealing efficiency.

The application is suitable for the technical field of aluminum profiles, and particularly relates to an aluminum profile oxidation film sealing end point determination method and device. The aluminum profile oxidation film sealing end point determination method comprises the following steps: continuously acquiring initial sealing hole images within a first preset time; based on multiple initial sealing hole images, a determination time is generated; after the determination time, an aluminum profile sealing hole determination image is acquired; and based on the aluminum profile sealing hole determination image, an aluminum profile sealing hole end time is obtained. The method can capture the dynamic evolution law of the sealing process, the determination time generated thereby can accurately match the key stage of the sealing process, and finally, the sealing end point of the aluminum profile sealing hole determination image acquired at the determination time is determined. The entire process does not need to continuously observe the sealing process, thereby reducing the data processing workload and operation load, and through real-time online monitoring, the sealing efficiency of the aluminum profile oxidation film is improved compared with the traditional determination method.

The application discloses a portable two-walls-one-annulus full-process screen pipe complete hole sealing system in the field of exploration equipment and application thereof, and relates to the technical field of drilling equipment. The system comprises a drill bit, the outer side wall of the drill bit is provided with external threads, the drill bit is threadedly connected with a gas sampling pipe and a drill rod, the drill rod is sleeved outside the gas sampling pipe, a plurality of sampling holes are formed in the side wall of the gas sampling pipe, hole sealing bags are arranged at both ends of the gas sampling pipe, a grouting area is formed between the two hole sealing bags, and the hole sealing bag away from the drill bit is provided with a grouting pipe and a back grouting pipe and extends into the grouting area. A plurality of support pipes are fixedly connected to the side wall of the gas sampling pipe, the support pipes are in a hollow structure, the support pipes are filled with water-absorbing expansion materials, pressure relief assemblies are slidably connected to the inner walls of the support pipes, a plurality of release holes are formed in the side walls of the support pipes, and rupture marks are arranged on the release holes. In the initial state, the pressure relief assemblies abut against the water-absorbing expansion materials. The water-absorbing expansion materials in the cement slurry are expanded to fill the gaps generated by the hardening shrinkage of the cement slurry, so that the entry of external air or the leakage of gas is avoided.

The utility model discloses a frame internal wiring sealing device, specifically relates to electric bicycle technical field, including upper horizontal pipe, one end portion fixed communication of upper horizontal pipe has the inclined pipe, and the bottom of inclined pipe is installed with lubricating assembly, and lubricating assembly includes: lower horizontal pipe, fixed communication is in the bottom of inclined pipe, and the inner wall of upper horizontal pipe is attached with first horizontal lubricating layer, longitudinal lubricating layer, and the inner wall of lower horizontal pipe is attached with second horizontal lubricating layer. The utility model adopts lubricating assembly, realizes lubricating treatment through the first horizontal lubricating layer in the inside of upper horizontal pipe, and the core realizes lubricating treatment along the longitudinal lubricating layer of the inner wall of inclined pipe, and the core realizes lubricating guiding treatment again through the second horizontal lubricating layer of lower horizontal pipe inner wall, can realize smooth threading sealing, makes the efficiency of electric bicycle frame internal wiring sealing higher.

The utility model belongs to the field of sealing machines, and particularly relates to a vacuumizing plastic bag efficient sealing machine which comprises a sealing machine body, a machine cover is hinged to the top of the sealing machine body, a handle is welded to the side edge of the machine cover, a locking mechanism is arranged on the upper portion of the outer side of the sealing machine body, and a fixing plate is fixedly connected to the left side of the sealing machine body. An electric push rod is fixedly installed at the bottom of the fixing plate, and the tail end of a telescopic shaft of the electric push rod is fixedly connected with a square frame. The locking mechanism is arranged at the joint of the sealing machine body and the machine cover, when the machine cover is closed, the adjusting rod is rotated through the rotating wheel, so that the adjusting block moves in the axial direction of the adjusting rod and drives the wedge-shaped block to move towards the direction of the machine cover, the machine cover is subjected to downward extrusion force along with the interaction of the inclined face of the wedge-shaped block and the machine cover, and therefore the sealing effect is achieved. And then the sealing ring is matched, the sealing performance between the machine cover and the sealing machine body can be guaranteed, air leakage is not prone to occurring, and then the sealing efficiency of the plastic bag is improved.

This utility model relates to the field of can sealing, and more particularly to a vacuum can sealing device for canned food production. The vacuum can sealing device includes a sealing machine body; the sealing machine body has a top plane and a bottom plane; wherein, an electric push rod is installed at the top of the bottom plane, and a fixing component for fixing the can is assembled at the top of the electric push rod. The fixing component can stably position the can, ensuring that the can maintain an accurate position during the sealing operation. The vacuum can sealing device for canned food production provided by this utility model, by setting the fixing component, can adapt to cans of different specifications, achieving stable clamping of the cans and avoiding positional displacement during the sealing process. Furthermore, the sealing component can quickly form and release the sealing space, and its stable structure improves sealing efficiency. Simultaneously, the vacuum pump, in conjunction with the sealing component, can effectively create a vacuum environment, ensuring the sealing performance and quality of the canned food, and extending the shelf life of the canned food.

The utility model relates to blood collecting tube cover combination technical field discloses a quick sealing type blood collecting tube cover device, including support frame, the lower end of support frame swing installation has blood collecting tube frame, both sides of support frame all are fixedly installed with hydraulic cylinder, and the output of hydraulic cylinder installs fixed frame, and the lower end of fixed frame is fixedly installed with sealing board. The utility model technical scheme can be surrounded and defined to the cover through the cooperation of annular air bag rubber sheet, then opens hydraulic cylinder, and hydraulic cylinder drives fixed frame to move down, and fixed frame drives sealing board to move, makes sealing board drive cover to move down, under the initial down -shift state, the pressing block on fixed frame will extrude the air bag, and the air in the air bag is arranged into annular air bag through the hose, and annular air bag inflation expands, and then drive rubber sheet to compress the cover and define, further guarantee the stability of cover when sealing.

The utility model discloses a filling hose tail sealing device which comprises a power assembly, a lifting shaft and an action assembly, the power assembly is arranged below a machine table, the action assembly is arranged above the machine table, the lifting shaft penetrates through the machine table through a shaft sleeve, the shaft sleeve is arranged on the machine table, and the power assembly drives the action assembly to work through the lifting shaft. The action assembly comprises a stand column, a fixing base, a lifting base, two pull rods, a tail clamping unit and a tail cutting unit, the fixing base is fixed below the stand column, the lifting base is in sliding fit with the stand column and located at the top end of the fixing base, the lifting base is fixed to the top end of the lifting shaft, and the two pull rods are connected with the tail clamping unit and the tail cutting unit respectively. The tail clamping unit and the tail cutting unit are arranged on the two sides of the fixing base respectively. According to the filling hose tail sealing device, the power assembly is adopted, the tail cutting unit and the tail clamping unit are driven by a single power source to ascend and descend at the same time and work, space is greatly saved, debugging is not needed, the action rhythm is fast, and the tail sealing efficiency can be greatly improved.

This utility model relates to the field of sealing testing equipment, and discloses an improved sealing testing device for the production of manifolds. It includes a housing with an internal cavity. A motor is installed inside the cavity, and a turntable is fixedly connected to the drive end of the motor. A connecting block is connected to the right side of the turntable via a connecting assembly. A movable plate is fixedly connected to the front of the connecting block, and multiple sealing elements are fixedly connected to the front of the movable plate. Rotary grooves are formed at both ends of the bottom side of the housing, and a rotating rod is rotatably connected to the top of each groove. In this utility model, the turntable can be rotated by starting the motor, and the movable plate can be moved simultaneously via the connecting rod. This achieves the effect of simultaneously sealing multiple side openings of the manifold, eliminating the need to seal each side opening individually, reducing the sealing time before testing, and thus improving the sealing efficiency of the equipment.