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26results about How to "Meet sealing needs" patented technology

Box blank forming device and method

PendingCN119611890AMeet miniaturization needssmall footprintPackagingCartonMiniaturization
The invention provides a box blank forming device and method, relates to the field of cigarette packaging equipment, aims to solve the problem that a box sealing machine is not facilitated to be miniaturized due to the fact that existing box blank unfolding related assemblies and box blank placing positions occupy large space, and is adaptive to the layout that box blanks are stacked on the upper portion and the box blank forming device is located on the lower portion. The shear fork assembly drives the adsorption plate to adsorb and grab box blanks from the upper box blank stacking position, unfolding forming is achieved by making the box blanks abut against the forming plate in the downward moving process, the requirement for unfolding the box blanks to form a box body in the boxing process is met, the common occupied space of the box blank forming related assembly and the box blank stacking position is reduced, the occupied area is reduced, and the production efficiency is improved. Therefore, the miniaturization requirement of the carton sealing machine is met.
Owner:ETABONG QINGDAO TOBACCO MACHINERY

Cathode head for plasma device

The present invention belongs to the technical field of plasma torches, and relates to a cathode head for a plasma device, comprising a cathode head body, which comprises an arc-starting emitter, an intermediate cylinder, a tail cylinder and a connection part for abutting against a plasma torch water-cooling pipe connected in sequence from left to right; the arc-starting emitter is made of tungsten or a tungsten alloy, and is formed integrally by an arc-starting cylinder and an arc-starting spherical segment, and one end of the arc-starting cylinder is fixed to one end of the intermediate cylinder; a threaded hole is provided in the intermediate cylinder, and an angle γ exists between the straight line where the hole wall of the threaded hole is located and the vertical direction, and the degree of the angle γ is 90° to 120°; an inclination angle ε is set at the connection end of the plasma torch water-cooling pipe, and the inclined surface where the inclination angle ε is located abuts against the threaded hole, so as to realize the hard sealing between the cathode head body and the plasma torch water-cooling pipe. The present invention improves the cathode head structure, has a good water cooling effect while having a compression arc function, and prolongs the service life of the cathode head.
Owner:XI AN JUNENG MEDICAL ENGINEERING TECHNOLOGY CO LTD

A heating and ventilation air outlet filtering device

This utility model discloses a HVAC vent filtration device, comprising: a ventilation panel, which includes an annular frame 1 and fan blades 2, the fan blades 2 being disposed within the inner ring of the annular frame 1; and a filter assembly, which includes an annular slot 3, a filter plate 5, and a fixing bolt 7. The annular slot 3 is rectangular, with three sides having a groove-shaped cross-section and one side having a U-shaped cross-section. The filter plate 5 is inserted into the annular slot 3 from the U-shaped cross-section side. One side of the annular slot 3 is fixedly mounted on the frame. The annular slot 3 has a mounting hole 6 penetrating the groove-shaped sidewall on the side facing away from the frame. The fixing bolt 7 is threaded into the mounting hole 6, and can clamp or loosen the filter plate 5 after being screwed into the mounting hole 6. During installation, simply insert the filter plate 5 into the annular slot 3 from the U-shaped cross-section side and then tighten the fixing bolt 7.
Owner:CHENGDU XIANGFENG HVAC EQUIP CO LTD

Smoke tube sealing device and integrated cooker

The utility model relates to the technical field of kitchen utensils, in particular to a smoke tube sealing device and an integrated cooker. The smoke pipe sealing device in the integrated cooker comprises a smoke pipe, an air outlet seat, a check valve and a sealing belt structure, the smoke pipe comprises a corrugated part and straight barrel parts located at the two ends of the corrugated part, an air outlet seat cap of the air outlet seat can stretch into the straight barrel parts, the check valve can stretch into the straight barrel parts, and the sealing belt structure can be cut into a preset length. The sealing strip structures cut into the preset length are bent into a ring shape and are compressed and clamped between the outer circumferential wall of the air outlet base cap and the inner cavity wall of the straight barrel part, and the sealing strip structures are compressed and clamped between the outer circumferential wall of the check valve and the inner cavity wall of the straight barrel part. The sealing belt structure is configured to seal the air outlet seat cap and the straight barrel part and seal the check valve and the straight barrel part, the sealing effect is good, the specific cutting length of the sealing belt structure can be adjusted according to the actual specifications of the straight barrel part, the air outlet seat cap and the check valve, applicability is high, a sealing ring does not need to be used, and the production cost is reduced.
Owner:ZHEJIANG YITIAN INTELLIGENT KITCHEN ELECTRICITY CO LTD

Intelligent tsm plastic packaging ultrasonic sealing device

ActiveCN121376322BEven by forceCompensate for thickness differencesWrapper twisting/gatheringPlastic packagingAnnular array
The application relates to the technical field of plastic sealing equipment, and discloses an intelligent TSM plastic packaging ultrasonic sealing device, which comprises a sealing machine main body, a welding head arranged at the bottom of the sealing machine main body, and a pressing head arranged at one end of the sealing machine main body close to the welding head, and further comprises an adjusting mechanism arranged at the bottom of the pressing head close to the welding head side; the adjusting mechanism comprises an outer shell arranged at the bottom of the pressing head close to the welding head side, a sleeve arranged in the outer shell, the two ends of the sleeve are rotationally connected with the inner wall of the outer shell, a plurality of expansion holes in annular array are arranged on the outer wall of the sleeve, a damping strip is arranged on the inner wall of the expansion hole, a rotating block is arranged at one end of the sleeve away from the expansion hole, a plurality of tooth rings in linear array are arranged on the outer side of the damping strip, and a limiting ring is arranged on the side of the tooth ring away from the rotating block. Through the adjusting mechanism, the thickness of the plastic sealing line at different positions can be adapted, the stress at different positions can be uniformly guaranteed, and the sealing pressure can be adjusted.
Owner:HERRMANN ULTRASONICS(TAICANG) LTD

A high-altitude simulation test cabin's cabin-penetrating support structure

The application provides a high-altitude simulation test cabin penetrating support structure, which specifically comprises a test cabin body, a cabin support assembly, an engine mounting rack and a rack support assembly. The test cabin body is installed on a factory building foundation through a plurality of cabin support assemblies. A rack concrete foundation is arranged on the factory building foundation below the test cabin body. The engine mounting rack is located in the test cabin body. A gap is maintained between the engine mounting rack and the test cabin body. The engine mounting rack is installed on the rack concrete foundation through a plurality of rack support assemblies penetrating the bottom of the test cabin body. A through hole is arranged in the sidewall of the bottom of the test cabin body for the rack support assembly to penetrate. A gap is arranged between the engine mounting rack and the test cabin body. A gap is arranged between the rack support assembly and the through hole. The edge of the through hole and the rack concrete foundation are sealingly connected through a sealing sleeve assembly. The safe operation of the test equipment is ensured, and the measurement accuracy of the engine performance parameters is ensured.
Owner:AECC SICHUAN GAS TURBINE RES INST

Discharging plate valve for powdery dye production

The utility model discloses a powdery dye production discharging plate valve which comprises a valve body, a screw transmission structure and an air bag sealing ring, flange plates connected with a powdery dye conveying pipeline are fixed to the two ends of the outer wall of the valve body, and a side support is erected at the upper end of a reinforcing rib. A screw transmission structure for conveying power is erected in the middle of the upper end of the side support, a sliding rail is welded to the inner wall of the middle of the side support, a valve element is slidably connected to the inner wall of the sliding rail and embedded into the semicircular groove, and air bag sealing rings are attached to the two sides of the inner wall of the semicircular groove. When the discharging plate valve for powdery dye production is used, the screw transmission structure serves as a power source, and the screw is driven to rotate through manual operation or motor transmission, so that the valve element is pulled to ascend and descend gradually, the requirement that a user controls opening and closing of the valve body is met, and the discharging plate valve is convenient for the user to use.
Owner:QINGDAO KELANDA YUZHEN CHEMICAL CO LTD

Sealing device and sealing method for water cooler of semi-waste boiler gasification furnace

The invention relates to the technical field of semi-waste boiler gasification furnace sealing, in particular to a semi-waste boiler gasification furnace water cooler sealing device and method, a gap between a water cooler and an upper water cooling wall is sealed through a high-temperature-resistant flexible sealing piece, and meanwhile the sealing effect between the water cooler and the upper water cooling wall after deformation can be guaranteed; meanwhile, a supporting cylinder is arranged between the water cooler and the high-temperature-resistant flexible sealing piece, a supporting arc plate is arranged between the high-temperature-resistant flexible sealing piece and the upper water cooling wall, the supporting cylinder is in sealed connection with the water cooler, and the supporting arc plate is in sealed connection with the upper water cooling wall, so that the situation that the sealing effect is reduced due to insufficient contact is avoided; meanwhile, the supporting arc plates are extruded when the upper water cooling wall is subjected to thermal deformation, so that the deformation of the upper water cooling wall is prevented from being hindered, and the service life is guaranteed; and meanwhile, the top pressing ring and the bottom supporting ring are used for limiting the position of the high-temperature-resistant flexible sealing piece in the extrusion deformation process, the sealing effect is guaranteed, and the sealing requirement is met.
Owner:YANZHOU COAL MINING YULIN NENGHUA CO LTD

Wire connector, junction box assembly and motor

The invention provides a wire connector, a junction box assembly and a motor, the junction box is provided with a wire passing hole, the wire connector comprises a connecting main body, the connecting main body is provided with a wire inlet hole and at least two mutually insulated wiring parts, the two wiring parts comprise a power supply wiring part and a ground wire wiring part, and the power supply wiring part and the ground wire wiring part are arranged in the connecting main body. The power supply wiring part comprises a power supply wire inlet end and a power supply wire outlet end; the ground wire wiring part comprises a ground wire inlet structure and a ground wire outlet structure; a power line inlet end and the ground line inlet structure are both led to the line inlet hole, the connecting main body further comprises a connecting pipe, the first end of the connecting pipe is communicated with the line inlet hole in a sealed mode, and the second end of the connecting pipe is connected with the line passing hole in a sealed mode, so that the protection level of the motor can be ensured, and the connecting technology of the power line and the ground line is simplified.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI +2

Safe sealing wire harness structure formed by winding

A safety sealing wire harness structure formed by winding comprises a wire harness body and composite sealing structures arranged at the two ends of the end of the wire harness body. Wherein the wire harness main body sequentially comprises a wire, a basic insulating layer, a gradient sealing layer, a dynamic buffer layer and a protective layer from inside to outside, and the composite sealing structure comprises a corrugated sealing sleeve and a double-phase sealant filled in the corrugated sealing sleeve. The safe sealing wire harness structure formed by winding is reasonable in design, adopts the design of combining a four-layer gradient winding structure and an end part composite sealing structure, and can meet the requirements of safety, sealing and the like of the wire harness in different fields and different environments.
Owner:YANGBAO ELECTRONICS TAICANG

Sealing assembly combining self-pressurization energy storage type sealing and high-pressure pneumatic sealing

PendingCN119467708AImprove sealingavoid damage phenomenonEngine sealsWorking environmentHigh pressure gas
The invention belongs to the technical field of sealing, and particularly relates to a self-pressurization energy storage type seal and high-pressure pneumatic seal combined sealing assembly which comprises a self-pressurization energy storage type seal and a high-pressure pneumatic seal. The self-pressurization energy storage type seal and the high-pressure pneumatic seal are combined in series to be used for a working environment needing to isolate high-pressure liquid and high-pressure gas media, an ideal sealing state is achieved, the self-pressurization energy storage type seal is arranged on the side facing the liquid, and the high-pressure pneumatic seal is arranged on the side facing the gas. The self-pressurization energy storage type seal comprises a sealed shaft (1), a swallow-tail-shaped clamping sleeve (2), a V-shaped spring (3), a triangular block (4) and a sealing cavity (5). The high-pressure pneumatic seal comprises a pneumatic base body (6), an X-shaped ring (8), a large O-shaped ring (9) and a small O-shaped ring (10). Compared with a traditional sealing structure, the sealing assembly has a better high-pressure-resistant sealing effect.
Owner:CHINA NORTH VEHICLE RES INST

Test device and method for batch test of accelerated erosion of concrete

The invention provides a batch concrete accelerated erosion test device and a batch concrete accelerated erosion test method, relates to the field of durability tests, and aims to solve the problem that a plurality of samples are difficult to accurately test during an accelerated concrete erosion test at present, a clamp is arranged in an erosion box and a plurality of clamping positions are formed, so that test pieces with different sizes can be accommodated to simulate the erosion test; the water bath constant-temperature heating box is matched with the erosion box, so that the problem of crystal precipitation is avoided, the accuracy of test data is ensured, a plurality of test pieces are accelerated to be tested at the same time, and comparative research on erosion speed and distribution can be carried out on the test pieces with different sizes; a pulse electric field is adopted to replace a traditional stable electric field, bidirectional ion erosion is carried out on the test block, the test time is further shortened, and the test accuracy is improved.
Owner:SHANDONG UNIV

A ceramic green compact sealing device

ActiveCN224409729UStable and fast windingReduce labor intensityThin membraneComposite material
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.
Owner:LUOYANG HONGXING CERAMICS CO LTD

High-pressure combined sealing ring

The utility model relates to the technical field of sealing, and discloses a high-pressure combined sealing ring which comprises a pipeline, a buffering mechanism is arranged on the outer wall of the pipeline, a replaceable lip mechanism is arranged on the outer wall of the buffering mechanism, and the replaceable lip mechanism is used for independently replacing a lip piece when abrasion occurs. An energy storage slow-release mechanism is arranged on the outer wall of the replaceable lip mechanism, a partial pressure slow-release mechanism is arranged on the outer wall of the energy storage slow-release mechanism and used for relieving the problem of lip piece load concentration so as to facilitate partial pressure, and an auxiliary lip is arranged on the outer side of the partial pressure slow-release mechanism. The multiple piston cylinders stretch out and draw back under the action of pressure to achieve pressure division, the piston rods transmit pressure changes, the spring buffers the pressure, the problems that a sealing ring cannot maintain balanced sealing in the pressure changes and lacks a pressure slow release mechanism are solved, abrasion of a main lip opening is relieved, the leakage risk is reduced, and the sealing requirement under the high-pressure complex working condition is met.
Owner:WUXI HAOLITE SEALING TECH CO LTD

Tunnel lamp waterproof structure

The utility model relates to a tunnel lamp waterproof structure which comprises a tunnel lamp, an electric appliance box, an electric appliance box sealing cover, a sealing ring and a fixing bolt, an outer protrusion is designed on the periphery of an opening of the electric appliance box, the outer side face of the outer protrusion is designed to be an outer inclined face with the upper end inclining inwards, and an annular channel is designed on the outer inclined face. A rectangular groove is formed in the inner side of the electric appliance box sealing cover, the inner side edge of the rectangular groove is designed to be a flaring-shaped inner inclined edge, the inner inclined edge of the electric appliance box sealing cover is correspondingly buckled to the outer side of the outer inclined face of the outer protrusion of the electric appliance box, the inner side of the sealing ring is located in the annular channel, and the inner inclined edge extrudes the outer side of the sealing ring to form sealing. The electric appliance box sealing cover has the advantages of being ingenious in design, reasonable and compact in structure, good in sealing effect due to the fact that the sealing ring is extruded through cooperation of the inner inclined face and the outer inclined face between the electric appliance box and the electric appliance box sealing cover, capable of meeting sealing requirements due to thermal expansion and cold contraction caused by temperature changes and extrusion or expansion of the sealing ring and long in service life.
Owner:NANTONG LAITE ELECTRICAL TECH DEV CO LTD

Air cushion sealing element and sealing structure thereof

The invention discloses an air cushion sealing piece and a sealing structure thereof. The air cushion sealing piece comprises a sealing inner lip, a vent groove is formed in the sealing contact face of the sealing inner lip and penetrates to the near-air end of the sealing inner lip, a pump pressure groove communicated with the vent groove is formed in the sealing contact face of the sealing inner lip, and the pump pressure groove is arranged in the circumferential direction and is of a wedge-shaped structure. The sealing structure comprises a rotating component and further comprises the air cushion sealing piece, and the sealing contact face of the sealing inner lip is in sealing fit with the rotating component. The sealing element has the beneficial effects that based on the pneumatic principle of the wedge-shaped pump pressure groove, gas generates a wedge-shaped effect at the pump pressure groove during high-speed rotation, so that an air cushion is formed between a rotating component and the sealing inner lip, the friction loss between the sealing element and the rotating component is reduced, and the long-term dynamic sealing effect of the sealing element under the high-speed working condition is ensured.
Owner:CHENGDU SHENGBANG SEALS

A universal charging base

ActiveCN224588941Uachieve relatively fixedMeet assembly requirements
This utility model belongs to the field of charging system technology and proposes a universal charging base, including a base body. The base body is fitted with a fast charging end and a slow charging end. The fast charging end connects to a docking plate. Two through-tubes are provided on the other side of the docking plate. Each through-tube has an internal mounting cavity containing a snap-fit ​​piece. Mounting holes are formed on the side walls of the mounting cavities, and bolts are slidably fitted into these holes. The bolts pass through the snap-fit ​​pieces and connect to the inner wall of the mounting cavities. A tail end cap is fitted onto the end of each through-tube. The slow charging end connects to a slow charging socket. A tail end sleeve is fitted onto the other end of the slow charging socket. The inner cavity of the slow charging socket has multiple power plugs, and the inner cavity of the tail end sleeve has multiple docking slots. This universal charging base proposes inserting a snap-fit ​​piece with a DC cable into the mounting cavity and using bolts to fix the snap-fit ​​piece to the through-tube. A tail end sleeve with a slow charging AC cable is fitted onto the slow charging socket. The specifications of the base body, fast charging end, slow charging end, docking plate, through-tubes, and slow charging socket are standardized.
Owner:CHERY AUTOMOBILE CO LTD

A sealing structure, a compressor and an air conditioner having the same

The present invention discloses a sealing structure and a compressor and an air conditioner having the sealing structure. The sealing structure comprises: a first joint surface, a second joint surface, and a sealing member. The first joint surface and the second joint surface are both provided with grooves, and the grooves of the first joint surface and the grooves of the second joint surface are arranged oppositely. The sealing member is deformably installed in the grooves, and the height of the sealing member is greater than the total depth after the grooves are joined. By designing the deformation amount on the sealing member, the contact area between the sealing member and the sealed surface can be increased when the sealing member acts on the sealed surface, and the sealing effect is improved by increasing the contact area, so that good sealing between components is achieved, and different deformation amounts are adapted to different sealing pressures, so that the applicable pressure range of the sealing structure is expanded.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Sealing processing equipment for kitchen and bath lamp

The invention provides kitchen and bath lamp sealing processing equipment, and relates to the technical field of sealing processing equipment.The kitchen and bath lamp sealing processing equipment comprises a sealing processing machine and a kitchen and bath lamp panel, a supporting frame is fixedly installed on the inner wall of the sealing processing machine, and an upper fixing frame is fixedly installed above the sealing processing machine; a supporting plate is arranged in the sealing processing machine located in the supporting frame, the kitchen and bath lamp panel is placed above the supporting plate, a second pressure switch and a first pressure switch are started under stress, and a sealant tank in the sealing processing machine conveys sealant into a sealant inlet pipe through a pump body; according to the kitchen and bath lamp panel sealing glue spraying device, glue is sprayed out through two first glue spraying heads and two second glue spraying heads, the first glue spraying heads and the second glue spraying heads conduct glue spraying on the upper wall of a kitchen and bath lamp panel, automatic glue spraying is adopted, therefore, manual intervention can be reduced, the sealing glue spraying speed can be increased, a single-side positioning mode is adopted, the accuracy of sealant spraying can be improved, and the positioning time can be shortened.
Owner:SHENGZHOU CHUANGYI KITCHEN & BATHROOM PHOTOELECTRIC CO LTD

Suspended oil distribution disc structure of steering pump

ActiveCN224107414UMeet sealing needsSolve the problem of inward sucking displacement movementMachines/enginesRotary/oscillating piston pump componentsO-ringOil distribution
The suspension oil distribution disc structure of the steering pump comprises a pump body, a pump shaft, a stator, a rotor, an oil distribution disc and a pump cover, the stator is installed in the pump cover, the oil distribution disc is installed at the left side end in the pump body, the pump shaft is rotationally connected to the pump body, the rotor is fixed to the pump shaft, and the pump cover is installed and fixed to the right end side of the pump body. An inner sealing groove and an outer sealing groove are distributed in the left side end of the oil distribution disc along the inner ring and the outer ring respectively, an inner sealing ring and an outer sealing ring are arranged in the inner sealing groove and the outer sealing groove respectively, an inner sealing check ring capable of moving inside and outside the inner sealing groove is further arranged in the inner sealing groove of the oil distribution disc, and the inner sealing check ring is located on the outer side of the inner sealing ring. An outer sealing ring check ring capable of moving inside and outside the outer sealing groove is further arranged in the outer sealing groove of the oil distribution disc, and the outer sealing ring check ring is located on the outer side of the outer sealing ring. The sealing device has the advantages that the structure is simple, the sealing requirement under high and low pressure can be effectively met, the processing requirement is not high, and meanwhile, the problem of inward sucking displacement movement of the O-shaped ring under high pressure is solved.
Owner:QUANXING MACHINING GRP

A bidirectional sealing eccentric half-ball valve

ActiveCN224607044UPrevent accidental opening and closingimprove security
The utility model relates to the technical field of valve body discloses a kind of bidirectional sealing eccentric half-ball valve, including valve body, the valve body top end is fixedly connected with support plate, the support plate top end is fixedly connected with fixed frame, the fixed frame inner wall is rotatably connected with the rotation bar one, the rotation bar one outer wall is connected with the rotation bar two by limiting component, the rotation bar two bottom end is fixedly connected with sealing ball, the valve body left and right two ends are fixedly connected with the connecting pipe one, the sealing ball is arranged in the inner wall of two connecting pipes one, two The outer wall of the proximal end of the connecting pipe one is connected with the connecting pipe two by the sleeve one. In the utility model, when opening valve, only need to press the handle and rotate, simple and convenient operation. And under non-human state, the action of spring one makes the limiting rod separate from the clamping groove of rotation bar two, avoid handle accidental rotation and drive sealing ball movement, prevent valve misoperation, improve the safety and reliability of valve use.
Owner:JIANGSU SHENTONG NUCLEAR POWER EQUIP CO LTD

Replaceable cosmetic container and replaceable inner bottle

The utility model relates to the field of cosmetic packing materials, in particular to a replaceable cosmetic container and a replaceable inner bottle. A replaceable cosmetic container comprises an outer bottle, a connecting piece and a lotion conveying device, a replaceable inner bottle is provided with a lotion outlet section, and the connecting piece is provided with a sealing seat matched with the lotion outlet section; the sealing seat is matched with the liquid outlet section to form a first sealing position and a second sealing position, the sealing seat is provided with an annular sealing surface, and the annular sealing surface is matched with the top surface of the liquid outlet section to form the first sealing position; a protruding sealing section is arranged on the annular sealing face, and the outer wall of the sealing section is matched with the inner wall of the liquid outlet section to form a second sealing position. According to the utility model, the sealing seat is arranged, and the sealing seat forms a double-sealing position by replacing the liquid outlet section of the inner bottle, so that the sealing reliability is improved; wherein the outlet caliber of the replacement inner bottle is generally poor in dimensional accuracy, the double sealing positions of the sealing seat can meet the sealing requirements of the replacement inner bottles with different tolerances, and the sealing seat has wide popularization and application values.
Owner:SUMIN (SHANGHAI) BIOMATERIALS CO LTD

High-stability sealing roller for metal rolling

The utility model discloses a high-stability sealing roller for metal rolling, and relates to the technical field of sealing rollers, the high-stability sealing roller for metal rolling comprises a roller shaft, the roller shaft is provided with a roller cylinder; the roll shaft comprises a center shaft, roll necks are symmetrically arranged at the two ends of the center shaft, sealing rings are connected to the roll necks, sealing pieces are arranged in fixing grooves in the bottoms of the sealing rings, sealing sleeves are installed at the upper ends of the sealing rings, and the sealing rings are arranged on the inner sides of the sealing sleeves. When the roller is used, firstly, the roller necks at the two ends are installed on installation stations, the connecting rings and the top rings are installed on the roller necks, the springs are arranged between the connecting rings and the top rings, and when the sealing gaps of the sealing faces of the connecting rings and the top rings are changed due to abrasion, shaft movement, thermal expansion and the like, the springs are arranged on the connecting rings and the top rings. The spring can automatically stretch out and draw back according to the stress condition to push the top ring to move in the roller neck direction, so that the sealing face is always kept in a good attaching state, changes of a sealing gap are compensated, the sealing performance is maintained, and the stability of the roller is improved.
Owner:CHANGZHOU CHUANGHONG MACHINERY CO LTD