211results about How to "Avoid direct collision" patented technology

The invention relates to the technical field of glass bottle detection, and discloses a bottle mouth endoscopic optical detection device, which comprises a transportation seat, a belt conveyor is installed at the middle position of the upper end surface of the transportation seat, glass bottles are sequentially arranged at the upper end of the belt conveyor, and a turnover shaft is horizontally installed at the position, close to the belt conveyor, of one end of the transportation seat. According to the endoscopic optical detection device for the bottle opening, a constant-speed motor is started, a connecting column drives a rotating table to slowly rotate around a large bearing through a series of transmission, so that the whole driving shell is driven to do circular motion, meanwhile, a glass bottle between two groups of curved clamping blocks synchronously rotates, and in the rotating process, the glass bottle is driven to rotate; a plurality of groups of lamp beads on the annular lamp belt emit light, the interior is illuminated through a transparent glass layer of the bottle opening, at the moment, a fixed micro camera is used for continuously shooting the inner wall of the rotating bottle opening, the purpose of automatic annular detection is achieved, and compared with manual detection, the detection error is reduced, and the working efficiency is improved.

The stamping die comprises a bottom plate and a supporting table arranged on the top face of the bottom plate, a lower die base is fixedly arranged in the supporting table, an upper die base is movably arranged on the top face of the lower die base, and a die cavity is defined by the upper die base and the lower die base; a fence is fixedly arranged on the top face of the upper die base, and a cleaning mechanism is arranged on the surface of the lower die base. According to the stamping die for machining the automobile trunk lid, through the arrangement of the cleaning mechanism, waste in the die cavity can be blown out and cleaned away after one-time stamping operation is finished, the top face of the die cavity is in a closed state, and the problem that the waste is blown out of the die cavity to increase the cleaning difficulty is solved; and the problem that waste in the material receiving box is blown up again and drifts into the die cavity during subsequent cleaning can be avoided, and the cleaning difficulty of personnel is reduced.

The invention discloses a transportation and storage rack for wind power blades. The transportation and storage rack comprises a lower base, an upper base and a supporting rod. The upper base is detachably installed on the lower base, and the upper base and the lower base jointly define a containing space used for containing wind power blades. The supporting rods are detachably connected between the upper base and the lower base, and the supporting rods are located on the two sides, in the left-right direction, of the transportation and storage frame. The front end of the lower base is provided with a downwards-sunken limiting lower groove, the front end of the upper base is provided with an upwards-sunken limiting upper groove, and the limiting lower groove and the limiting upper groove jointly define a containing groove used for containing the blade root of the wind power blade. A fixing ring is arranged at the top of the rear end of the lower base, used for containing the blade tail of the wind power blade and flexibly connected with the rear end of the lower base. According to the transportation and storage frame, the transportation stability of the wind power blades can be improved, displacement of the wind power blades in the marine transportation process is avoided, and damage to the wind power blades in the transportation process is prevented.

The invention belongs to the technical field of cranes, in particular to an anti-swing device for a crane sling, and provides the following scheme that the anti-swing device comprises a tray and a base, the bottom of the tray and the bottom of the base are located on the same horizontal plane, supporting legs are fixedly connected to the four corners of the bottom of the tray, and the tops of the four supporting legs are fixedly connected with the same guardrail; the four corners of the top of the guardrail are fixedly connected with inhaul cables, the tops of the four inhaul cables are fixedly connected with the same connecting piece, the top of the connecting piece is fixedly connected with a connecting buckle, and the bottom of the connecting piece is fixedly connected with a plug. According to the lifting device, the tray is separated from the ground through preliminary lifting of the hydraulic rod, observation and balance weight adjustment are conveniently conducted on the tray before lifting, lifting can be directly continued after adjustment is completed, the hydraulic rod does not need to be reset, goods on the tray are prevented from deviating in the reset process, and the tray is prevented from inclining again; the purpose of preventing the tray from deviating in the lifting process is achieved.

The utility model relates to the technical field of clamps, in particular to a clamp for ball valve machining, which is characterized in that a groove is arranged in the middle of a machining table, a buffer plate is arranged above the groove, a spring is arranged in a cavity, two propellers are symmetrically arranged at the front and the back of the upper end of the machining table, a first clamping plate is arranged at the output end of each propeller, and a second clamping plate is arranged at the output end of the machining table. Two empty grooves and a motor are arranged at the upper end of the machining table in a bilateral symmetry mode, a ball valve workpiece is placed on the machining table, the ball valve workpiece firstly makes contact with a buffer plate, a buffer rod can compress a spring in a cavity, and therefore a buffer effect can be provided for the ball valve workpiece when the ball valve workpiece is placed, the ball valve workpiece is prevented from directly colliding with the machining table, and machining efficiency is improved. And the service life of the ball valve workpiece and the machining table can be prolonged.

The present invention discloses a semi-submersible anti-collision offshore charging pile, comprising: the upper part of the charging pile body is in the shape of a positive cone, the lower part is in the shape of an inverted cone, and an air bag is arranged around the outer periphery of the junction edge of the upper positive cone and the lower inverted cone of the charging pile body; a compressed gas chamber with a ring-shaped cross section is arranged inside the upper positive cone of the charging pile body, and the compressed gas chamber is connected to the air bag through an air pump, and the air pump is arranged at the lower part of the compressed gas chamber, and the air pump controls the floating state of the charging pile body by sucking or filling the air bag with gas. According to the present invention, a ring-shaped air bag is arranged around the outer periphery of the charging pile, which solves the floating problem of the offshore charging pile while providing anti-collision protection for the offshore charging pile to avoid direct collision between the charging pile body and the ship; when the offshore charging pile is connected to the new energy ship, the gas in the air bag is extracted to reduce the volume to a certain extent until the offshore charging pile is suspended below the sea surface to avoid collision with the new energy ship.

The utility model discloses a roller type chemical product storage tank which comprises a tank body, an annular plate is arranged on the outer side of the tank body, a first sliding groove is formed in the inner side of the annular plate, a first sliding block is connected into the first sliding groove in a sliding mode, a first spring is arranged between the first sliding block and a corresponding sliding opening, and one end of the first sliding block is rotationally connected with a first connecting block. The free end of the first connecting block is rotatably connected with a second connecting block, the lower end of the tank body is downwards provided with a supporting column, the outer side of the supporting column is rotatably connected with a supporting rod, the free end of the supporting rod is provided with a universal wheel, the upper side of the supporting rod is provided with a second sliding groove, a limiting rod is arranged in the second sliding groove, and the outer side of the limiting rod is slidably connected with a second sliding block. Second springs are arranged on the outer sides of the limiting rods, and connecting rods are rotationally connected to the upper ends of the second sliding blocks. The storage tank can be conveniently moved, and when the storage tank moves on an uneven road, the jolting feeling can be reduced, and the storage tank is prevented from being overturned.

The present invention belongs to the technical field of electric pole production, and in particular, is an anti-scratch and offset electric pole conveying device. The following scheme is proposed, including a support mechanism, a conversion assembly is installed at the inner front end of the support mechanism, a conveying assembly equidistantly arranged along the length direction of the support mechanism is installed downstream of the conversion assembly, a trigger assembly fixed to the support mechanism is installed upstream of the conversion assembly, and a conveying belt with an annular structure is installed between the conversion assembly and the conveying assembly. The present invention facilitates the installation and disassembly of the conveying belt, while ensuring that the conveying belt fits tightly, effectively preventing the electric pole from rolling to the side and falling during the conveying process, improving the safety of the electric pole conveying, and at the same time preventing the end of the electric pole from directly colliding with the conveying belt during the conveying process, protecting the safety of the electric pole and the conveying belt, and reducing losses.

The utility model relates to the technical field of building components, in particular to a fabricated building damping component. According to the technical scheme, the connecting structure comprises a main body matching installation base made of metal materials, and a main body combination connecting groove which is provided with a downward opening and completely penetrates through the whole front-back direction is formed in the front face of the main body matching installation base. The connecting structure is characterized in that the left side and the right side of the main body combination connecting groove are each provided with a set of sliding limiting matching bosses; an integrally-formed conical combined stable safety column is arranged at the upper end of the main body matching installation base, and a fastening connection combined hole communicated with the main body combined connection groove is formed in the upper end of the main body matching installation base. The utility model has the advantages that the mounting position of the main body structure is integrated with a slide rail type mounting structure, sliding fit can be carried out during assembly, the operation during mounting is more convenient, the upper end position can be matched with building materials above to carry out staggered association fit by arranging the stable safety column, and the operation during mounting is easier.

The utility model relates to the field of emergency rescue, and discloses a cart frame of a fire extinguishing device and the fire extinguishing device.The cart frame comprises a frame, the frame is provided with a peripheral wall and a top wall, a liquid storage tank containing cavity used for installing a liquid storage tank is defined by the peripheral wall, and the top wall is located above the peripheral wall and can open or close an upper opening of the liquid storage tank containing cavity; the bottom of the liquid storage tank accommodating cavity is open; the wheel set is rotatably arranged on the lower portion of the frame, and the wheel set is arranged on the lower portion of the rear end of the peripheral wall; and the handle assembly is arranged on the frame. According to the fire extinguishing device and the cart frame thereof, the liquid storage tank and components installed on the liquid storage tank can be protected during collision, and the structure is safe and reliable.

The invention relates to a spray boom fixing seat mounting structure and a sprayer, the spray boom fixing seat mounting structure comprises an electric push rod mounted on a sprayer chassis and an inner telescopic beam with one end connected to a piston end of the electric push rod, and the other end of the inner telescopic beam is used for being connected with a spray boom fixing seat; and the piston end of the electric push rod stretches out and draws back in the width direction of the spraying machine chassis. By the adoption of the technical scheme, the spraying rod can stretch out and draw back at any length through movement of the spraying rod fixing base, and the technical problem that due to the fact that the spraying rod exceeds the road transportation width under the limited contraction state, road transportation is inconvenient is solved.

The utility model discloses a spherical ceramic raw material automatic sorting device which comprises a base, a first supporting column is installed on the top of the base, a material mixing box is installed on the top of the first supporting column, a material conveying plate is installed on the right side of the material mixing box, a plurality of first holes and second holes are formed in the material conveying plate, and the first holes and the second holes are vertically through. The automatic screening device is formed by arranging a material conveying plate, a first baffle, a first hole, a second hole, a vibration plate and a vibration motor, the vibration motor is started to generate vibration of the material conveying plate, and meanwhile through the inclined design of the material conveying plate, raw materials can continuously move rightwards after moving to the top of the material conveying plate; and part of the raw materials penetrate through the first holes or the second holes of different sizes to move downwards, the raw materials are automatically selected, manual distinguishing is avoided, efficiency is improved, and manpower is saved.

The utility model relates to the technical field of auxiliary tools of shoe material cutting machines, and discloses a knife collision prevention device of a shoe material cutting machine, which comprises a cutting machine body, a movable seat and a buffer mechanism, the moving base is connected to the cutting machine body in a sliding mode. The top end of the moving seat is connected with a cutting knife assembly, and the moving seat is used for driving the cutting knife assembly to move to a designated position; the buffering mechanism comprises a buffering assembly and a buffering base. At least one group of buffer assemblies are arranged, the buffer assemblies are arranged on one side of the cutting knife assembly, pressure sensors are arranged at the bottom ends of the buffer assemblies, and the pressure sensors are electrically connected with the cutting knife assembly; the buffering base is arranged in the cutting machine body and located below the cutting knife assembly. The buffering assembly and the buffering base are used for buffering the impact force generated when the cutting knife assembly makes contact with a vamp.

The utility model discloses a cam separating mechanism which comprises a cam assembly and a handle separating assembly opposite to the cam assembly. The cam assembly comprises a translation cam plate; the handle separating assembly comprises a first sliding assembly, a first mounting plate, a second mounting plate, a first cam follower, a second cam follower and an elastic element, wherein the first mounting plate and the second mounting plate are connected with the first sliding assembly in a sliding mode, and the first cam follower and the second cam follower are arranged at the two ends of the first mounting plate and the second mounting plate. The mounting plate I and the mounting plate II are elastically connected through an elastic element; the translation cam plate abuts against the first cam follower and the second cam follower, and when the translation cam plate translates, the first cam follower and the second cam follower are extruded, so that the first mounting plate and the second mounting plate slide along the two sides of the first sliding assembly. The vertical movement of the cam can be used for converting force into transverse movement, so that the utilization rate of the force direction is improved, the mold opening efficiency is improved, the structure of the mechanism is simplified, and the cost is reduced.

The utility model relates to the technical field of liquid oxygen storage, in particular to a high-pressure sealed gas storage bottle for liquid oxygen storage, which is characterized in that a fixing block is arranged on the outer surface of a tank body, and a sealing gasket and a plurality of connecting rods are arranged on the upper surface of the tank body; a notch is formed in the side surface of the valve body; the device has the beneficial effects that the sealing gasket is clamped into the hole in the upper surface of the tank body, the mounting groove in the lower surface of the valve body is aligned with the sealing gasket and clamped into the sealing gasket, then the valve body and the tank body are fixedly connected through bolts, the buffering gasket is aligned with the positioning groove formed in the fixing block and clamped into the positioning groove, and the buffering gasket can buffer collision between the tank body and other objects; when the gas storage bottle falls off, the rubber handle is matched with the connecting rod, so that the situation that the valve body directly collides with other objects, the sealing performance of the gas storage bottle is reduced, and gas leakage of the gas storage bottle is caused can be effectively avoided; and the safety is improved.

The utility model relates to a kind of building construction hoisting device, including chassis and basket, the top of the chassis is provided with gravity block, the top of the chassis is provided with triangular crane stand near the basket, the top of the triangular crane stand is also equipped with the hoisting structure for connecting basket and chassis, the top of the chassis is equipped with the driving structure for providing power to make hoisting structure lift basket, the top of the both sides of the basket is provided with basket triangular hanging frame, the side of the basket near the chassis is equipped with basket door leaf, the side of the basket near the chassis is provided with two fixed plates, the front of two the fixed plate is provided with the anti-collision structure for playing the support wall surface and preventing collision. The building construction hoisting device, by setting anti-collision structure, the synergistic effect of rubber support plate and spring contraction rod is utilized, effectively absorb the impact force when basket shakes, prevent basket and wall surface directly collide, protect wall surface and worker safety.

The invention relates to the technical field of can damage prevention conveying, in particular to a can damage prevention conveying device which comprises a conveying vehicle, storage boxes are symmetrically and fixedly connected to the top of the conveying vehicle, cushions are fixedly connected to the inner sides of the storage boxes, and a plurality of cans are placed on the inner sides of the cushions; first fixing frames are fixedly connected to the front side and the rear side of the top of the conveying vehicle, electric telescopic rods are fixedly connected to the inner sides of the tops of the first fixing frames, second fixing frames are fixedly connected to the output ends of the electric telescopic rods, pushing pieces are fixedly connected to the bottoms of the two sides of the second fixing frames, and tank bodies can be separated when the pushing pieces are pressed downwards; therefore, direct collision caused by mutual attaching of the can bodies in the conveying process can be effectively avoided, damage such as scratches and pits on the surfaces of the can bodies is reduced, the can bodies with the surfaces coated with protective layers or labeled can be prevented from being damaged by collision through the pushing piece, and the appearance neatness and information integrity of products are kept.

The utility model discloses an electric power control cabinet with a protection function, which relates to the technical field of electric power control cabinets and comprises a control cabinet main body, a cabinet door is arranged on the outer side of the control cabinet main body, and protection assemblies are arranged on the edges of the control cabinet main body and the cabinet door. According to the electric power control cabinet with the protection function, the protection assembly is arranged on the outer side of the control cabinet body, in the installation process of the anti-collision strips, limiting blocks are extruded into limiting grooves, the anti-collision strips are positioned in placement grooves, and after the anti-collision strips are abraded, the anti-collision strips can be independently replaced; meanwhile, the distance sensor can detect the distance between the control cabinet body and the article or the cavity for early warning, when the rear side of the control cabinet body makes contact with the article, anti-collision buffering is conducted through the corresponding air bag, direct collision of the control cabinet body is avoided, operation is convenient and fast, the structure is simple, and the protection effect of the control cabinet body is improved.

The utility model discloses a protective device, and relates to the technical field of bridge guardrail devices. Comprising a plurality of supporting columns, a plurality of second buffering mechanisms are arranged between the adjacent supporting columns, first buffering mechanisms are arranged on the front sides of the supporting columns, a handrail is arranged between the adjacent supporting columns, and the two ends of the handrail are fixedly connected with the adjacent side walls of the two supporting columns correspondingly. And a warning lamp is arranged on the holding rod. When the second buffering mechanism is impacted, a buffering stop lever moves in a staggered mode, an internal traction spring is stretched, the buffering effect is achieved, an elastic plate is arranged in the first buffering mechanism, a buffering rod is connected with the rear side wall of the supporting column through a buffering spring and a baffle, and buffering on impact is achieved through cooperation of the buffering spring and the elastic plate. And meanwhile, protection on the supporting columns is achieved, traditional rigid collision is converted into elastic collision, and therefore damage to the vehicle and people in the vehicle caused by the protection device during a car accident is reduced.

The utility model discloses a gluing device for rubber product production. The gluing device comprises an adjusting device, a portal frame, a motor, a screw rod, a sliding seat, a hydraulic cylinder, a gluing head and a clamping piece, by arranging the adjusting device, after glue is smeared on a rubber product, the rubber product is moved to one side to be dried through the fan, the risk that the glue at the bottom end of the gluing head is solidified due to direct blowing of the fan is avoided, and the gluing efficiency of the rubber product can be improved, the operation time is saved and the production efficiency is improved through front-back sliding of the sliding table and ordered gluing production. The clamping piece is positioned through the positioning mounting plate, the clamping piece can be conveniently and quickly positioned and embedded into the positioning mounting plate and locked through the nut, quick alignment and mounting are achieved, and through the arrangement of the ventilation plate, wind power of the fan at the bottom end can be conveniently blown upwards to the rubber product to dry glue on the rubber product. The filter screen on the ventilation plate can prevent the rubber product from directly colliding with the fan, and the safety of the fan arranged at the bottom is improved.

The utility model is suitable for mechanical transmission equipment technical field provides a kind of high bearing driving shaft bearing seat, including main body, the side surface fixed connection of main body has lubricating component and heat dissipation component.The utility model solves the technical problem that bearing surface is to high load, high speed work environment, prone to bearing seat deformation and bearing damage, leading to equipment failure frequently, the technical problem of influence production efficiency and equipment life, the utility model utilizes the structural design of seat body and reinforcing rib made of high-strength alloy steel material, significantly improve the bearing capacity of bearing seat, can satisfy the work demand of high load, high speed, effectively prevent the equipment failure caused by insufficient bearing, the heat dissipation groove design of grid distribution, increase the heat dissipation area of seat body, improve the heat dissipation efficiency, utilize the setting of lubricating channel to provide sustained stable lubrication for bearing, reduce the wear of bearing, improve the operating efficiency and reliability of equipment.

The utility model provides a communication power supply installation device convenient to disassemble and assemble, which belongs to the technical field of communication equipment and comprises a mobile power supply, a protective shell is arranged on the outer side of the mobile power supply, a lifting mechanism is arranged on the side wall of the protective shell, a containing groove is formed in the lifting mechanism, and the mobile power supply is placed in the containing groove. The mobile power supply is provided with a telescoping mechanism, and the mobile power supply is connected with the storage groove through the telescoping mechanism. The utility model aims to solve the problems that the protection efficiency of the device on the mobile power supply is reduced, the mobile power supply is easily directly collided by foreign objects, the maintenance cost is increased, and the mobile power supply is fixedly connected to the device, so that the mobile power supply is not convenient to install, and a protection mechanism is not arranged outside the mobile power supply when the mobile power supply is installed by the existing communication power supply installation device. And the problems of inconvenience in mounting and dismounting, inconvenience in operation and greatly reduced practicability are solved.

The utility model relates to the technical field of parking lot management devices, and discloses a management device for a parking lot, which comprises a box body mounted on the upper surface of a parking space, a cover plate hinged to one side of the box body, an electric control box mounted in the box body and a power part driving the cover plate to rotate to open and close, and an identification camera arranged at the top end of the cover plate. A first contact is mounted on one side, opposite to the identification camera, of the cover plate; the parking space further comprises a blocking and protecting mechanism, the blocking and protecting mechanism comprises a second blocking and protecting component, and the second blocking and protecting component comprises a blocking and protecting frame installed on the upper surface of the parking space and a buffering plate arranged on the blocking and protecting frame in a sliding mode. Through the arrangement of the second blocking and protecting component, wheels can be buffered, so that the wheels are prevented from directly rolling on the box body, the device is prevented from being damaged by rolling, normal use of the device can be guaranteed, an automobile can be effectively identified conveniently, and orderly management of parking spaces of a parking lot is facilitated.

The utility model provides a material transportation hanging basket for building construction, which comprises a support bottom plate, a fence arranged on the support bottom plate and a hanging assembly arranged on the fence, the hanging assembly is connected with a lifting mechanism, the fence comprises a plurality of vertical columns respectively arranged on the support bottom plate, every two adjacent vertical columns are connected through a transverse fence, and the transverse fence is connected with the lifting mechanism. The outer side of each vertical stand column is provided with a plurality of buffering assemblies. The buffering assembly comprises a connecting frame hinged to the vertical stand column, an elastic buffering piece is installed at the free end of the connecting frame, and the middle of the connecting frame is further connected with the vertical stand column through a detachable positioning piece. The material transportation hanging basket for building construction is simple in structure and reasonable in design, impact of shaking of the hanging basket on building wall surfaces on the two sides can be reduced, and damage to the wall bodies is avoided as much as possible.

The utility model relates to a flood prevention lock gate pier technical field especially is a kind of superhigh combined lock gate pier, including retaining wall, installation space is formed between two adjacent retaining walls;Bottom baffle, vertically set in the installation space, two ends of the bottom baffle are connected with two retaining walls respectively, and bottom end of the bottom baffle is installed on ground;Top baffle, vertically set in the installation space, the bottom of the top baffle is fixedly connected with the top of the bottom baffle by pressing top piece;Buffer plate, hinged in the top of the top baffle;Support frame, support between the backwater surface of the bottom baffle and the top baffle and ground;Float, set on the buffer plate, it can make the buffer plate part float on water surface.The utility model reduces material cost and construction cost, shortens construction cycle simultaneously;At the same time, water surface floating object can be prevented and directly collides top baffle, improves the impact resistance of entire combined lock gate pier.

The utility model provides an angle steel guide material pressing unit, it aims at solving the problem of unstable clamping and low positioning accuracy of angle steel workpiece with deviation in geometric shape. The device comprises a guide material supporting mechanism and a material pressing mechanism, the guide material supporting mechanism comprises a material supporting element for contacting the lower side of the angle steel flange and a material supporting universal hinge mechanism connecting the material supporting element and a material supporting driving element; the material pressing mechanism comprises a material pressing element for contacting the upper side of the angle steel flange and a material pressing universal hinge mechanism connecting the material pressing element and a material pressing driving element, the material supporting universal hinge mechanism and the material pressing universal hinge mechanism both allow the respective contact elements to swing in multiple degrees of freedom, thereby being able to adaptively fit the angle steel flange profile with deviations in shape such as distortion and bending. Through the adaptive fitting in the upward and downward directions, stable and reliable clamping of irregular angle steel workpieces is realized, thereby ensuring the stability of the subsequent angle steel machining accuracy.

The utility model discloses a grabbing mechanism for metal part processing, which comprises a base plate, a clamping assembly is arranged on the base plate, the clamping assembly comprises a rotating big arm, a driven big arm, a bottom plate, a meshing gear, a motor, a fixing plate and a lifting cylinder, the rotating big arm is rotatably connected to the top end of the base plate, and the driven big arm is rotatably connected to the top end of the base plate. The driven large arm is rotationally connected with one end of the rotating large arm, the bottom plate is connected to one side of the driven large arm, the meshing gears are rotationally connected to the top of the bottom plate, the number of the meshing gears is two, the motor is connected with one meshing gear, the fixing plate is arranged at the tops of the meshing gears, and the motor is connected with the rotating large arm. The lifting air cylinder is installed on one side of the fixing plate, and a stopping assembly is arranged on the fixing plate and comprises a fixing box, an electric push rod and a lining plate. The technical problem that in the prior art, grabbing tools of an existing grabbing mechanism need to be frequently replaced and adjusted when the grabbing mechanism faces metal parts of different types, shapes and sizes is solved.

The utility model discloses a plastic pipe clamp injection molding device, which relates to the technical field of plastic product injection molding and comprises a fixed mold, an injection molding device main body and a movable mold, the fixed mold is arranged on a fixed mold seat on an injection molding machine tool, the injection molding device main body is arranged on the injection molding machine tool, an injection molding head of the injection molding device main body extends into the fixed mold, and the fixed mold seat is connected with a mounting seat through a pull rod; the movable mold and the movable plate are slidably connected to the pull rod, a sliding sleeve is arranged between the movable plate and the movable mold, a material returning assembly is arranged on the movable plate, an oil cylinder is arranged on the outer side of the installation base, and the end of a piston rod of the oil cylinder is connected with the movable plate. When the pipe clamp die cavity of the driven die needs to be unloaded, a formed part is unloaded through the material guide rod of the material returning assembly, and in the unloading process, the spring and the rubber pad on the material guide rod provide a buffering effect, so that the direct collision between the material guide rod and other hard objects is effectively avoided, and the damage to the material guide rod and the mounting seat is prevented.

The utility model discloses a folding granary valley door, which belongs to the field of granary valley doors, and adopts the technical scheme that the folding granary valley door comprises a door plate, a sliding rail and a sliding component, the door plate is formed by connecting a first door plate and a second door plate in a hinged manner, and the first door plate and the second door plate are hung on the sliding rail through the sliding component; the sliding assembly is composed of a pulley and a connecting strip, the connecting strip is integrally in an inverted J shape, the connecting strip is divided into a first connecting strip and a second connecting strip, the first connecting strip is fixed to the door plate, the pulley is rotationally installed on the second connecting strip, and the second connecting strip is hung on the sliding rail through the pulley; wherein one sliding assembly is fixed to the guide rail, the first connecting strip and the second connecting strip are connected through a first rotating shaft, the lower surface of the first door plate is rotationally connected with the ground through a second rotating shaft, and a handle is installed on the outer wall of the second door plate and close to the hinged position of the first door plate. The folding chair has the effect of being convenient to fold.