121results about How to "Reduce gravity" patented technology

The utility model discloses a passageway opening opening and closing device and a battery swap station comprising the same, the passageway opening opening and closing device comprises a passageway opening for a battery swap device to go in and out of a charging area and a lifting door capable of opening and closing the passageway opening, the passageway opening opening and closing device is characterized by further comprising an installation door frame, a stroke amplification mechanism and a balance weight piece, the installation door frame is arranged in a surrounding mode to limit a channel opening, the lifting door is in transmission connection with the balance weight part through the stroke amplifying mechanism, the lifting door and the balance weight part are both arranged in the installation door frame, and the stroke amplifying mechanism is used for amplifying a first stroke of lifting movement of the balance weight part into a second stroke of lifting movement of the lifting door. The balance weight piece is located above the channel opening, and the lifting door and the balance weight piece are arranged in a staggered mode in the thickness direction of the installation door frame. By means of the characteristic that the stroke amplification mechanism amplifies the stroke, the lifting displacement of the balance weight piece can be smaller than the displacement needed for opening and closing the lifting door, and normal passing of the channel opening cannot be affected by descending of the balance weight piece caused by ascending of the lifting door.

The invention provides a sensorless control method and device for a pneumatic soft actuator, the pneumatic soft actuator and electronic equipment, and belongs to the field of soft robots. The method comprises the steps that the current injected air quality and pressure are obtained through a detection module arranged on an air pipe between an air pump module and an actuator body; the mass and the pressure intensity of the injected air are input into a preset actuation estimation model, and the current actuation estimation quantity of the actuator body is obtained through the actuation estimation model; obtaining an error value according to the actuation estimation quantity and the target control quantity; and the controller adjusts the gas injection amount of the gas pump module based on the error value so as to adjust the actuating amount of the actuator body. Thus, a large-size sensor does not need to be installed on the actuator body, accurate control over the actuator body can be achieved only according to the quality and the pressure intensity of the injected air, the size and the gravity of the actuator body are reduced, the actuator body is not afraid of collision and moisture, and therefore the fault risk is reduced, and the flexibility, the comfort and the portability are improved.

The invention provides a segmented cleaning photovoltaic cleaning robot and an application method, and belongs to the technical field of photovoltaic cleaning, the segmented cleaning photovoltaic cleaning robot comprises a walking module, a water supply assembly, a crawling track, a crawling module and a cleaning module; the two walking modules are symmetrically connected to the two ends of the crawling rail, and the water supply assembly is connected to the top end of one walking module. The crawling module is connected to the crawling track; the cleaning module is connected below the crawling module; the crawling module comprises a driving belt wheel, a driven belt wheel and a belt connected with the driving belt wheel and the driven belt wheel, and the belt abuts against the side wall of the crawling rail. The cleaning module is small in size, the gravity needing to be overcome during work is small, and then the power needed by work of the robot is small; as the cleaning module is light in weight, when the robot moves from top to bottom, the speed of the robot can be controlled only through small friction force; the friction force between the driving module and the side face of the crawling support is increased through a belt, the speed of the crawling module is balanced, and the cleaning effect is guaranteed.

The invention discloses an autoclaved aerated concrete material and a preparation method thereof, and belongs to the technical field of novel building materials. The graphene oxide loaded calcium carbonate and the graphene oxide are added into the material provided by the invention, nucleation sites generated by the graphene oxide loaded calcium carbonate cause a deep microstructure of the material to directionally generate a fiber-like nanoneedle-shaped multi-stage micro-nano structure, and nanowires are split from tips of the nanoneedle-shaped structure and are filled in capillary pores and microscopic pores, so that the nanowires are uniformly dispersed in the micro-pores and the micro-pores; the appearance of a meniscus is effectively avoided, the compactness is increased, the pressure of capillary pores can be further dispersed by the nanowires, and the pressure difference of the capillary pores is reduced, so that drying shrinkage is avoided. The graphene oxide ions can reduce the gravitation between the colloidal particles and block the distance between the particles, so that drying shrinkage is further avoided. Therefore, the material provided by the invention can effectively solve the cracking problem caused by drying shrinkage, the durability of the material is improved, and the service life of the material is prolonged.

The present invention discloses a curtain wall clamping quick positioning assembly device and assembly method, and relates to the technical field of curtain wall clamping. The curtain wall clamping quick positioning assembly device and assembly method include a curtain wall clamping mechanism, and the curtain wall clamping mechanism includes a fixing device, and the outer wall of the fixing device is fixedly connected with four connecting rods, and the ends of the four connecting rods are fixedly connected with fixing plates, and the outer wall of the fixing plate is fixedly connected with limit blocks, and the number of the fixing plates and limit blocks is four. The curtain wall clamping quick positioning assembly device and assembly method, through a spring arranged between the bolt and the fixing device, under the elastic lifting of the spring, the bolt and the fixing device threads are further fitted, and the friction between the threads is increased after fitting, thereby ensuring the fixation between the fixing device and the bolt, reducing the activity of the bolt, and the magnetic repulsion between the first magnetic block and the second magnetic block.

The invention relates to the technical field of high-temperature cavities, in particular to a cooling structure for a high-temperature cavity, which comprises a cooling sleeve sleeved outside a combustion cavity. A spiral channel is formed in the inner wall of the cooling sleeve in the circumferential direction of the cooling sleeve, and a spiral cooling channel for cooling water to pass through is formed between the spiral channel and the outer wall of the combustion cavity. The spiral channel is formed in the inner side wall of the cooling sleeve, the cooling sleeve can meet the requirements for uniformity of the cooling effect of the combustion cavity and stability of flowing of cooling water, and the spiral cooling channel is adopted for the cooling structure in consideration that the combustion cavity is cylindrical and large in length diameter ratio. And the flow guide assembly is arranged in the spiral cooling channel, so that cooling water flows in the spiral cooling channel and is closer to the inner wall of the combustion cavity, the heat dissipation efficiency of the cooling system is improved, and the heat exchange efficiency and the uniformity of the cooling effect are greatly improved.

The utility model provides a self-adaptive synchronizing wheel assembly, a printing dolly and an industrial printer, the self-adaptive synchronizing wheel assembly comprises a mounting frame, a synchronizing wheel pair and an elastic connecting assembly, one end of the elastic connecting assembly transversely passes through the synchronizing wheel pair and is connected with one side wall of the mounting frame, and the other end of the elastic connecting assembly is connected with the other side wall of the mounting frame. And the synchronous wheel pair is in sliding fit with the elastic connecting piece. According to the self-adaptive synchronous wheel assembly, the elastic band of the synchronous belt can be adjusted, meanwhile, the phenomenon that the synchronous belt shakes in the rotating and reversing process can be avoided, and the tightness can be adjusted in a self-adaptive mode.

The present invention belongs to the technical field of air purification, and discloses a port logistics dust suppression device, including a mounting shell, a plurality of guide grooves are equidistantly arranged on the left side of the mounting shell, a first through groove is arranged on the upper part of the left side of the mounting shell, a first filter screen is fixedly sleeved in the middle of the first through groove, a second through groove is arranged on the upper part of the right side of the mounting shell, a second filter screen is fixedly sleeved in the middle of the second through groove, and a partition is fixedly installed in the middle of the inner cavity of the mounting shell. The seawater filter belt carrying salt in the middle is heated by a drying mechanism, so that the seawater absorbed by it evaporates, and the dust wrapped in sea salt is crystallized on the surface of the filter belt and adsorbed on the surface of the filter belt, thereby solving the problem that in the process of placing and stacking existing port cargo, the moisture, salt and dust carried in the sea breeze are mixed and adhered to the surface of the cargo, causing corrosion on the cargo surface and adhesion of dirt and dust, resulting in damage to the cargo.

The utility model relates to the technical field of power adapters, in particular to a wall-mounted power adapter, which comprises a plug fixedly connected to the outer side of an equipment main body, a signal line fixedly connected to the bottom of the equipment main body, an L-shaped plate fixedly connected to the top of the equipment main body, a sliding chute arranged inside the L-shaped plate, and a power line fixedly connected to the sliding chute. A sliding rod is slidably clamped in the sliding groove, a sliding block is fixedly connected to the top of the sliding rod, a reset spring is fixedly connected to the outer side of the sliding rod, a connecting rod is fixedly connected to the outer side of the sliding block, a suction cup is fixedly connected to the outer side of the connecting rod, and a connecting plate is fixedly connected to the top of the L-shaped plate; the power socket adapter is simple in structure and convenient to use, the situation that a plug makes contact with a jack of the power socket due to the gravity of the adapter can be prevented, and meanwhile the situation of electric shock is prevented when the power socket adapter is taken.

The invention discloses a quick mounting structure and method for a steel structure corridor, and belongs to the technical field of corridor mounting. The device comprises a corridor and a building, a first corridor inserting plate and a second corridor inserting plate are welded to the top and the bottom of the two ends of the corridor correspondingly, two pieces of profile steel perpendicular to the corridor are fixed to a pouring beam of the building, and a first corridor connecting base and a second corridor connecting base are welded to the profile steel; the first corridor connecting base and the second corridor connecting base are both provided with inserting grooves matched with the first corridor inserting plate and the second corridor inserting plate. The connecting corridor is high in stability, the multiple connecting corridor connecting bases are fixedly connected with the pouring beam and the profile steel, so that the whole connecting corridor is connected with the connecting corridor connecting bases and then connected with a whole building, meanwhile, the supporting pieces and the hydraulic damping pieces are arranged on the pouring beam, the stability of the connecting corridor is further improved, and the connecting corridor is convenient to use. The middle of the corridor is connected with the building through a plurality of diagonal draw bars at the top of the corridor, the gravity of the corridor is reduced, and the safety performance is improved.

This utility model relates to the field of filling machine cleaning technology, specifically disclosing a hopper tilting mechanism for easy cleaning of a filling machine, including a working unit, a tilting unit, and an auxiliary unit. The working unit includes a worktable, a hopper, a tilting base, a fixing block, a hinge rod, and a connecting pipe. The tilting unit includes a drive box, a drive screw, a moving block, a telescopic rod one, and a telescopic rod two. When the hopper needs to be cleaned, the drive screw in the tilting unit, in conjunction with the telescopic rod one and the telescopic rod two, lifts the hopper. Simultaneously, the gas spring and triangular block in the auxiliary unit reduce the gravity of the hopper during lifting, thus facilitating cleaning. Furthermore, due to the tilting unit and the auxiliary unit, the hopper does not need to be disassembled for cleaning; it can be tilted 90 degrees directly, thereby improving cleaning efficiency.

The utility model discloses an automatic feeding device of a steel rolling cooling bed, and relates to the technical field of steel rolling cooling bed feeding, the automatic feeding device comprises a base, the base is connected with two vertical plates, the two vertical plates are both connected with stair-shaped supporting plates, and a conveying plate used for moving workpieces step by step in the direction away from the base is movably connected between the two vertical plates; the vertical plate is connected with a driving assembly used for driving the conveying plate to move annularly, and each supporting plate is provided with a plurality of limiting grooves used for clamping workpieces. The driving assembly drives the conveying plate to move annularly, in the moving process of the conveying plate, the conveying plate drives the workpiece to move in the direction away from the base, so that the workpiece falls into the limiting groove, the outer surface of the workpiece is attached to the inner wall of the limiting groove, and the inner wall of the limiting groove plays a role in limiting rolling of the workpiece; therefore, the stability of the workpiece placed on the supporting plate is improved.

A robot joint closed-loop braking device relates to the technical field of robot joint braking, comprising a motor body and a coaxial reducer body, and also comprising a mounting seat, a worm wheel, a worm and a power transmission device; the motor body is correspondingly connected to the coaxial reducer body in a transmission manner; the output shaft of the coaxial reducer body is transmission-connected with a worm wheel; the mounting seat is correspondingly and tightly connected to one end of the motor body casing, the mounting seat is rotatably connected to a worm that meshes with the worm wheel, and the reduction ratio of the worm wheel and the worm is consistent with the reduction ratio of the coaxial reducer body, one end of the worm is correspondingly connected to the motor shaft of the motor body through a disconnectable power transmission device, and the transmission ratio between the motor shaft of the motor body, the power transmission device and the worm is 1:1; the present invention effectively solves the problems of poor reliability, high energy consumption and large size of the existing braking system.

The present invention discloses an adaptive expansion mechanism and an adaptive expansion polishing mechanism thereof. The adaptive expansion mechanism comprises a rotating wheel and an elastic leather cavity connected to the outer ring of the rotating wheel. A plurality of piston cavities are evenly arranged along the radial direction inside the rotating wheel. The outer diameter side opening of the piston cavity is connected to the elastic leather cavity, and the inner diameter side opening is connected to the atmosphere. A limiting structure is arranged at the inner diameter side opening. A centrifugally slidable piston is installed in the piston cavity. When the piston slides centrifugally, gas can be replenished into the elastic leather cavity and the elastic leather cavity can be expanded. The present invention arranges an elastic leather cavity on the outer ring of the rotating wheel, and arranges a piston along the radial direction inside the rotating wheel. The rotation of the rotating wheel itself enables the piston to move centrifugally and replenish gas into the elastic leather cavity, so that the size of the centrifugal force of the piston can be adjusted by adjusting the rotation speed, and then the expansion state of the elastic leather cavity can be adjusted, and finally an adaptive state is reached.

The utility model discloses a waste transport vehicle with a crushing mechanism, which relates to the technical field of waste recovery and comprises a waste transport box, a waste pushing mechanism is mounted in the waste transport box, and a waste crushing mechanism is mounted above the waste transport box. The waste pushing mechanism comprises a hydraulic device installed in the waste conveying box, and the front portion of the hydraulic device is movably connected with a telescopic rod. According to the waste transport vehicle with the crushing mechanism, a separation net plate is mounted above the waste transport box, crushed waste is placed in the separation net plate through a groove in the separation net plate, a hydraulic device is fixedly mounted on one side of the inner wall of the waste transport box, and the hydraulic device is connected with an object pushing plate through a telescopic rod; and the pushing plate is pushed back and forth in the waste conveying box according to the principle that the hydraulic device pneumatically stretches out and draws back, waste accumulated in the waste conveying box is automatically discharged, and the workload of manual discharging is reduced.

The invention discloses an intelligent vehicle distance measuring device, and belongs to the technical field of vehicle distance measurement, the intelligent vehicle distance measuring device comprises a support and an equipment box, the surface of the support is fixedly connected with a working plate, the lower surface of the working plate is in bolted connection with a motor, and the lower surface of the working plate is fixedly connected with a connecting plate; the surface of the equipment box is connected with a laser radar, and the equipment box is in electric signal connection with the motor through an induction controller; the device further comprises a seeking assembly, the seeking assembly is arranged in the connecting plate, and the seeking assembly comprises a connecting shaft rotationally arranged in the connecting plate. According to the intelligent vehicle distance measuring device, when a laser radar needs to work, an induction controller in an equipment box controls a motor, the motor drives a connecting shaft to rotate through a long pin, a first bevel gear and a second bevel gear, when the connecting shaft rotates, the equipment box and the laser radar are driven to rotate slowly, and at the moment, the laser radar can follow a vehicle; therefore, the measurement precision is improved.

The present invention relates to the field of mechanical arm technology, and more specifically, to a mechanical arm based on rope drive, the device comprises a moving component, a working component and a driving component, the driving component is movably connected to the moving component, the working component is connected to one side of the driving component, and the working component is arranged in parallel with the moving component; the working component comprises a plurality of articulated arms and driving ropes for driving the articulated arms, and the driving components are respectively connected to the articulated arms through the driving ropes; along the direction in which the driving ropes extend, the diameters of the plurality of articulated arms gradually decrease, wherein the articulated arm with the largest diameter is close to the driving component. Each articulated arm comprises a first connecting plate, a second connecting plate and a connecting column. The diameter of the first connecting plate is smaller than the diameter of the second connecting plate, and the first connecting plate and the second connecting plate are both circular, and the first connecting plate and the second connecting plate are arranged in parallel and coaxially to form a truncated cone. The present invention solves the problem that the end of the mechanical arm in the prior art is deformed due to the influence of its own weight, resulting in low motion accuracy.

The utility model discloses a cement imitation wood pile vibrating device, which belongs to the technical field of imitation wood pile production, and comprises a vibrating plate and a support table, the bottom of the vibrating plate and the top of the support table are slidably arranged, the bottom end of the vibrating plate is connected with a shaking block, the shaking block is provided with an elliptical through groove, an abutting wheel is arranged in the through groove, and the abutting wheel is connected with the vibrating plate. The abutting wheel is installed on the driving motor, the abutting wheel rotates in the through groove and rolls along the inner wall of the through groove of the shaking block, the through groove is oval, the distances between the inner wall of the through groove and the circle center of an output shaft of the driving motor are different, and the shaking block moves front and back under limiting of the sliding groove through abutting of the abutting wheel. Compared with the mode that vibration force is generated in the vertical direction to work, gravity and resistance which need to be overcome are reduced, the transmission efficiency and the use efficiency of energy are improved, and therefore energy consumption and production cost are reduced.

The utility model relates to the technical field of sliding doors, in particular to a V-shaped track structure. Comprising guide rails and slide rails; two rows of pulleys are arranged on the guide rail and are arranged in an axial symmetry mode, and the included angle between each pulley and the vertical shaft is alpha; the bottom face of the sliding rail makes contact with the sliding wheels. According to the V-shaped rail structure, the V-shaped wheels are good in guiding performance, can decompose vertical force of the sash, reduce gravity, reduce push-pull force, are made of stainless steel and are corrosion-resistant, the V-shaped wheels can reduce accumulation of dust and rainwater and prevent the dust and the rainwater from entering the pulleys, the service life of the pulleys is prolonged, and the V-shaped wheels can automatically prevent the sash from swinging. Each pulley can be replaced independently, replacement is more convenient, and the pulleys are mute pulleys.

The utility model relates to the field of urban buildings, in particular to an adjustable anti-sedimentation well lid which comprises a well lid body, a well lid base and a hinge assembly. The well lid is provided with an anti-sinking assembly, the anti-sinking assembly comprises an upper anti-sinking well ring, an anti-sinking beam and an anti-sinking ring, a triangular stable structure is formed, a spring lock is arranged on the triangular stable structure, the hinge assembly is located on the triangular stable structure and hinged to the well lid base and the well lid body, and the hinge assembly is hinged to the well lid body and the well lid base to fix and prevent deviation. The coverage precision is improved; the well lid and the well lid seat form an anti-sinking structure through the upper anti-sinking well ring and the lower anti-sinking well ring; through a spring lock on a triangular stabilizing structure, and a continuous limiting groove and a continuous limiting step of a lower anti-sinking well ring, when the well lid is pressed down by gravity, the spring lock is located in the continuous limiting groove to adjust the height of the well lid, limiting and fixing are conducted through the continuous limiting step, then the effect of adjusting the well lid is achieved, and the practicability of the well lid is improved.

The invention relates to the technical field of snore-ceasing pillows, and discloses an intelligent snore-ceasing pillow and a snore-ceasing method.The intelligent snore-ceasing pillow comprises a main body and a rotating rod, the rotating rod is fixedly connected to the top of the main body, the intelligent snore-ceasing pillow further comprises a supporting mechanism, and the supporting mechanism is arranged on the outer wall of the rotating rod and comprises a supporting plate. The density of the filling material in the snore-ceasing positioning pillow inner is large, so that the fitting degree of the snore-ceasing positioning pillow inner and the head can be increased, and the supporting effect of the snore-ceasing positioning pillow inner can be improved; the snore-stopping positioning pillow core between the head and the snore-stopping air bag is extruded to be flat by the snore-stopping air bag due to the fact that the snore-stopping positioning pillow core is soft, and the softness of the snore-stopping positioning pillow core is reduced after the snore-stopping positioning pillow core is pressed is avoided; therefore, the situation that a spherical surface with high hardness is formed after the snore-stopping air bag is fully inflated to jack up the snore-stopping positioning pillow inner which is flat after being pressed to make contact with the head of a user is avoided, and discomfort caused when the spherical surface makes contact with the head of the user is reduced.

The invention discloses an adhesive viscosity testing device for rail transit, and belongs to the technical field of adhesive viscosity testing for rail transit. In the adhesive detection process, a positioning mechanism is driven by an insertion frame to vertically move by taking the inner cavity wall of a positioning vertical groove as a path; the adhesion degree of the adaptive groove and the adaptive convex block can be changed by taking the viscosity of the detected adhesive as a reference, and when the viscosity of the adhesive is preset to be at a low grade, the adaptive groove and the adaptive convex block are in mutual adsorption contact, so that the series connection strength among the multiple groups of detection cylinders is enhanced, the situation that the multiple groups of detection cylinders are separated is avoided, and the detection efficiency is improved. According to the method, the stripping condition of the detected adhesive in the device in the motion state can be detected, the grade of the viscosity of the adhesive in the motion state can be simulated, and the method can help workers to quickly know the characteristics of the adhesive in the motion state and is beneficial to detection and evaluation of the performance of the adhesive.

This utility model discloses a backpack-type hydraulic shear, relating to the field of shearing technology, comprising: a fixed plate; a sliding plate; a backpack; two shoulder straps; a chest pocket; and a waist belt. The sliding plate has a sliding state and a locked state on the fixed plate. In the sliding state, it can buffer the weight of the backpack, reducing the pressure on the user. In the locked state, it can lock the position of the backpack, thereby facilitating demolition operations. By setting a suspension mechanism, the backpack has both sliding and locked states on the fixed plate. In the sliding state, the backpack can reciprocate up and down on the fixed plate, and the suspension mechanism buffers the weight of the backpack, thereby reducing the weight on the user and easing the burden. In the locked state, the position of the backpack can be locked to prevent the backpack from moving on the fixed plate, thereby preventing the pulling of the connecting pipe used to connect the demolition tools and affecting the demolition operation.

To provide a weight-reduced, fiber-reinforced molded body. A fiber-reinforced molded body comprising a matrix resin, reinforcing fibers and hollow particles, wherein the hollow particles comprise a shell containing a resin and a hollow portion surrounded by the shell; wherein the shell contains, as the resin, a polymer in which from 80 parts by mass or more of a crosslinkable monomer unit is contained in 100 parts by mass of all monomer units; and wherein, in a hollow particle immersion test in which a mixture obtained by adding 0.1 mg of the hollow particles to 4 mL of acetone and shaking them for 10 minutes at a shaking rate of 100 rpm, is left to stand for 48 hours in an environment at 25°C, less than 5% by mass of the hollow particles submerge in the acetone.

The present invention discloses a spinning machine capable of rapidly loading and unloading raw materials, comprising a conveying platform, a fixing groove is provided on the upper surface of the conveying platform, a connecting plate is provided in the inner cavity of the fixing groove, compression springs are provided at the bottom corners of the connecting plate, a top column is provided on one side of the upper surface of the connecting plate, at least four rotating plates are provided above the conveying platform, slide grooves are provided on both sides of the inner wall of the material discharge hole, tension springs are provided at both ends of the other side of the slide plate, a clamping groove is provided on one side of the middle part of the slide plate, a clamping column is provided at the bottom end of the inner wall of one of the slide grooves, and a push rod is provided at the bottom end of one of the slide grooves. The present invention utilizes the arrangement mode of matching the connecting plate with the slide plate, and utilizes the elasticity of the compression spring to make the push rod move upward to push the slide plate, so that the clamping column is separated from the slot, and the slide plate slides out of the material discharge hole through the elasticity of the tension spring, so that the raw materials located on the upper surface of the slide plate can be discharged quickly, thus preventing the interruption of the raw materials and reducing the labor cost.

The utility model discloses an opening and closing device for a grain outlet of a granary, which comprises a grain outlet pipe, the bottom of the grain outlet pipe is communicated with the top of a bottom pipe, the side wall of the joint of the grain outlet pipe and the bottom pipe is provided with a communicated side pipe, the end part of the side pipe is fixedly connected with a support plate, the top of the support plate is provided with a sliding chute, and the top of the sliding chute is provided with an opening. A sliding block is slidably connected into the sliding groove, a motor is fixedly connected to the top of the sliding block, an air cylinder is fixedly connected to one end of the motor, a coupler is fixedly connected to the output end of the motor, a rotating shaft is fixedly connected to one end of the coupler, and spiral blades are fixedly connected to the side wall of the rotating shaft. The two sets of spiral blades are symmetrically arranged relative to the rotating shaft, a blade plate is arranged in the middle of each spiral blade, and the spiral blades are rotationally connected with the interior of the side pipe through the motor, so that the problem that the grain outlet of the granary needs to be closed through external force is solved, installation is convenient, and operation is easy.

The utility model discloses a kind of material supporting plate for plate stamping, it is related to plate stamping technical field, including lower die holder, horizontal plate, elastic component and rolling assembly;Lower die holder front side is equipped with a horizontal plate, horizontal plate upper surface and lower die holder upper surface are on the same horizontal plane to form a larger contact area with plate material contact surface, a rolling assembly is connected with elastic component on horizontal plate, to form a plate material moving cavity with elastic function between rolling assembly and horizontal plate. Through this design, in the process of entering waste area, plate material waste continuously contacts with horizontal plate, the design of horizontal plate increases the contact area of lower die holder and plate material, and then reduces the gravity of plate material waste after entering waste area, in addition, plate material waste continuously receives the elastic pressing of pressure roller, so that plate surface is always flat during the movement of plate material waste along plate material waste area, and then avoid the bulging and warping problem during stamping process in plate material stamping area.

The utility model belongs to the technical field of semiconductors, and particularly relates to high-reliability semiconductor device processing equipment which comprises a machine body and a filtering device, a touch panel is fixedly connected to the side wall of the machine body, and a guide pipe is fixedly connected to the side wall of the machine body; a filter device is arranged on the surface of the guide pipe and comprises two lantern rings, a main cylinder and an auxiliary cylinder, the two lantern rings are located under the guide pipe and sleeve the surfaces of the main cylinder and the auxiliary cylinder respectively, a plurality of filter screens are inserted into the inner walls of the main cylinder and the auxiliary cylinder, and a supporting device is arranged on the side wall of the machine body and comprises a frame. The side wall of the frame is fixedly connected with the side wall of the machine body, a threaded rod is rotationally connected to the surface of the frame, and two opposite thread lines are arranged on the surface of the threaded rod; by arranging a lantern ring, a main cylinder, an auxiliary cylinder and a filter screen, water can be filtered, meanwhile, filter screens of different sizes can be installed to filter particulate matter of different sizes layer by layer, the situation that the particulate matter pollutes the water is reduced, and the reliability of equipment during machining is improved.

Provided herein is a heat-shrinkable polypropylene film having a specific gravity of 0.95 or less, and that exhibits excellent low-temperature shrinkability, small natural shrinkage, and excellent perforation opening property. A drawn film is provided that comprises a polypropylene resin composition, wherein the drawn film is a polypropylene heat-shrinkable film satisfying the specific features.