155results about How to "Increase linkage" patented technology

The invention discloses an intelligent directional and quantitative smell generation method in virtual reality olfaction interaction, and relates to the technical field of virtual reality. The invention provides an intelligent, directional and quantitative smell generation method in order to solve the technical problems that in smell generation work in virtual reality in the prior art, the variety and generation precision of smell are limited, an accurate smell concentration control mechanism is lacked, and interactive linkage with user actions and a virtual environment is lacked. In combination with an odor molecule dynamic combination technology, a deep learning prediction model, closed-loop concentration control and a spatial orientation transmission system, richer, personalized and immersive olfactory interaction experience is provided. Comprising a smell synthesis module, a digital smell control unit, an intelligent smell prediction model, a directional smell transmission system and a virtual wind field simulation module. The method is suitable for being applied to the work of intelligent directional and quantitative smell generation in virtual reality olfaction interaction.

The invention belongs to the technical field of electric power system operation control, and relates to a unit operation strategy optimization method under cooperation of an electric energy market and a capacity market, which comprises the following steps: 1, constructing a decision optimization model of an upper-layer power generation enterprise participating in an electric energy spot market and an electric power capacity market, 2, constructing a lower-layer electric energy spot market clearing model, the method comprises the steps of 1, establishing a lower-layer power capacity market clearing model, 4, converting a lower-layer market clearing problem into a KKT optimality condition, 5, carrying out model linearization processing, and 6, calling a Gurobi solver to solve a linearized mixed integer linear programming problem. According to the method, the collaborative operation relationship between the electric energy spot market and the electric power capacity market is fully considered, short-term optimization of the electric energy market and long-term planning of the electric power capacity market supplement each other, the linkage between the markets is enhanced, the overall market efficiency is further improved, and the reliability adequacy of the system is effectively guaranteed.

The invention discloses an error detection device for electric energy meter metering, and relates to the technical field of electric energy meter calibration, the error detection device comprises a calibration instrument body, a wire and a connector, the calibration instrument body is provided with interfaces at equal intervals, the wire is connected with the connector, and the connector is matched with the interfaces. The calibration instrument further comprises a centralized access mechanism, an opening and closing regulation and control mechanism and a locking control mechanism, the centralized access mechanism, the opening and closing regulation and control mechanism and the locking control mechanism are all arranged on the calibration instrument body, through the arrangement of the centralized access mechanism, the movable sleeve can be pushed in a centralized mode through the elastic reset effect of an elastic telescopic column on a push plate, and the calibration instrument is convenient to operate. The connector is inserted into the interface, so that rapid and automatic insertion of the connector and the interface is realized, the connector is accessed in a centralized manner and managed in a unified manner, human intervention is reduced, a worker does not need to independently operate an electric wire and the connector one by one, errors caused by misoperation or negligence are reduced, and the accuracy of metering error detection and verification data of the electric energy meter is improved.

The utility model discloses a steel plate welding clamping device which comprises a cross beam, a double-thread screw is rotatably arranged on the cross beam through an adjusting motor, nuts are arranged on the outer walls of the two ends of the double-thread screw in a threaded and sleeved mode, a mounting frame is fixedly arranged on the nuts, and a rotating ring is arranged on the mounting frame through a limiting mechanism. Two mounting blocks are arranged on the rotating ring, clamping frames are arranged on the mounting blocks through air cylinders, a transmission shaft is rotationally arranged on the cross beam through a rotating motor, and the transmission shaft is connected with the rotating ring through a rotating mechanism. By arranging the double-thread screw, the nut, the mounting frame, the rotating ring, the air cylinder, the clamping frame, the driving gear, the gear ring and the like, two steel plates can be effectively clamped and fixed, rotating turnover welding operation can be carried out, and the practicability and convenience of the device are improved.

The invention belongs to the technical field of pest control, and discloses a trapping device for controlling citrus pests. Comprising a trapping box and an LED lamp, a solar panel is installed at the top end of the LED lamp, a power grid is installed in the trapping box, an impeller is arranged in the trapping box, an isolation plate fixedly connected with the inner wall of the trapping box is arranged on the periphery of the impeller, and a transmission rod rotationally connected with the inner wall of the trapping box is fixedly connected into the impeller. According to the device, dual mechanisms of light source attraction and smell attraction are ingeniously combined, the pest trapping efficiency is remarkably improved, gas emitted by attraction particles is continuously and rapidly conducted and released to the top end of the trapping box through the compression mechanism under driving of the motor, various pests including pests with weak view fields are effectively attracted to fly to a trapping area, and the trapping effect is improved. Wide adaptation to pests with different characteristics is achieved, the pest cleaning efficiency is greatly improved, and a more efficient and comprehensive solution is provided for pest prevention and control.

The invention discloses a wearable device and meta universe fusion interaction system and method. The method comprises the following steps: S10, collecting user data through a wearable device; s20, data processing and analysis: analyzing the data collected in the step S10, and generating personalized content through an analysis result; s30, interactive experience generation, wherein the personalized content generated in the step S20 is applied to the meta universe environment; and S40, performing feedback circulation, and optimizing the system by analyzing the user experience data. The system comprises a server, an integrated software platform, a meta universe platform, a wearable device and a sensor network. The server completes information interaction between the user and the meta universe platform through the wearable device; the integrated software platform supports the API butt joint with the meta universe platform; digital display is constructed on the meta universe platform; a wearable device and a sensor network capture actions and physiological responses of a user. Technical support and innovative thoughts are provided for development of the intelligent exhibition hall, and the exhibition industry is promoted to develop in the more intelligent, interactive and immersive direction.

The utility model discloses a rapid drilling device for highway guardrail production, and relates to the technical field of guardrail drilling. The drilling device comprises a U-shaped workbench, conveying rollers are installed at the tops of the two ends of the workbench, an inverted-U-shaped support is fixedly arranged at the top end of the workbench, and a drilling device body is fixedly installed on the lower surface of the top end of the support. The air cylinder can push the guardrail plate to move upwards to the position below the drilling device to be drilled, meanwhile, the clamping plate can clamp the guardrail plate through the linkage assembly to guarantee drilling stability, after drilling is completed, the air cylinder moves downwards, the drilled guardrail plate is normally conveyed by the conveying roller at the moment, automatic discharging is achieved, and the production efficiency is improved. And the subsequent guardrail plate can be drilled through the operation, and through the operation, the guardrail plate can be automatically drilled and discharged at the same time, so that the drilling steps can be greatly reduced, the labor of workers is reduced, the drilling efficiency is improved, and the production rate is increased.

The utility model relates to the technical field of die-cutting machine winding components, in particular to a material winding structure of a die-cutting machine, which comprises a die-cutting machine vertical plate and two winding rollers, the die-cutting machine vertical plate is provided with a winding motor for driving the winding rollers, the number of the winding rollers is two, and the winding motor is connected with the die-cutting machine vertical plate. A turnover plate which rotates on the vertical plate of the die-cutting machine is connected between the two winding rollers, and a turnover motor which drives the turnover plate and the two winding rollers to rotate is arranged on the vertical plate of the die-cutting machine; according to the scheme, the two winding rollers are arranged and can be rapidly switched, the replacement efficiency of a winding drum outside the winding rollers is effectively improved, the winding drum is achieved in a pneumatic mode, the winding drum has the advantages of being simple in structure and convenient to operate, and a second tooth-shaped base and a first tooth-shaped base can be rapidly and conveniently in butt joint; the locking piece of the winding roller is arranged, so that the reliability of the winding drum in the winding process can be ensured; and meanwhile, locking of the winding drum, connection of the driving piece and locking of the winding roller are linked, and the winding device has the advantages of being high in linkage performance, convenient and fast to operate and good in reliability.

The invention discloses a frame insertion compensation method and device for an acoustic image anchor point, display equipment and a storage medium, and relates to the technical field of audio signal processing, and the method comprises the steps: obtaining a coordinate point of a target moving object in a video according to a preset frequency; inserting at least one compensation coordinate point in a target track of any two adjacent target coordinate points of each coordinate point; taking each coordinate point and each compensation coordinate point as sound image anchor points of sound signal output of the video; and controlling output parameters of the loudspeaker according to the sound image anchor point, so that the analog output position of the sound signal moves along with the target moving object. The density of the acoustic image anchor points is improved through pin compensation, jumping of the acoustic image anchor points caused by violent position change is avoided in a scene that the position of a moving object in a picture changes violently, the continuity and smoothness of the acoustic image anchor points of the audio signals are improved, the linkage effect between the audio and the video is improved, and the user experience is improved. And the continuity of the whole audio-visual experience is improved.

The application discloses a kind of virtual job safety examination methods based on voice response and operation verification, comprising: configuring examination node in virtual job examination scene, and configuring voice question, preset voice response element, preset legal operation set and consistency verification rule for each examination node;After user enters target examination node, corresponding voice question is output and user voice response is received;Voice response is analyzed, and the structured response result associated with the current examination node is generated;User operation behavior is collected within the preset observation window, and operation event sequence is constructed;The consistency verification result is generated by consistency verification of structured response result and operation event sequence.A kind of virtual job safety examination system based on voice response and operation verification is also disclosed.The present application is to solve the problem of voice response and scene operation in existing virtual job examination, such as mutual fragmentation.

The invention discloses an optical module, a vehicle lamp and a vehicle. The optical module comprises a lamp body, a first light source support, a second light source support and a driving structure. One end of the first connecting piece is connected with the first light source support through a first universal linkage structure, and the other end of the first connecting piece is connected with the second light source support through a second universal linkage structure. When the first connecting piece moves, the first connecting piece drives the first light source support to rotate around the first universal datum point, the first connecting piece drives the second light source support to rotate around the second universal datum point, and therefore the angles of the first light source support and the second light source support relative to the lamp body are adjusted. Through movement of the first connecting piece, the angles of the first light source support and the second light source support can be adjusted at the same time, and the light irradiation angle and the irradiation range can be adjusted according to use requirements; the power element can be linearly adjusted, has a wide and continuous adjusting range, can be suitable for more use scenes, and meanwhile can guarantee the adjusting accuracy of the irradiation angle and the irradiation range.

The utility model provides a hydraulic hoist convenient to disassemble and assemble, and relates to the technical field of hydraulic hoists, the hydraulic hoist comprises a base, the top of the base is provided with a sliding groove, the inner wall of the sliding groove is slidably connected with a sliding plate, the top of the sliding plate and the top of the base are both fixedly connected with a support, one side of the support is fixedly connected with a baffle, and the baffle is fixedly connected with a hydraulic cylinder. One side of each support is fixedly connected with the top of the sliding plate, one side of each support is fixedly connected with a supporting block, one side of each supporting block is fixedly connected with a section block, and a main body is arranged between one sides of the two supports. The supports, the supporting blocks and the mold blocks can be driven to move through movement of the sliding plates, after the supports, the supporting blocks and the mold blocks move by a certain distance, the main body can be taken out from the position between the two supports, after the mold grooves in the rotating frames on the main body are aligned with the mold blocks, the sliding plates can slide to drive the mold blocks to enter the mold grooves, and after the sliding frames are aligned with the clamping grooves, the main body can be taken out. And the sliding frame can enter the clamping groove to fix the sliding plate under the action of the spring.

The utility model discloses a corn threshing device for corn processing, which comprises a box body, the lower end of the box body is provided with a plurality of symmetrically arranged supporting legs, the lower end of the box body is provided with a through groove, the upper end of the box body is provided with a shell in a penetrating manner, the upper end of the shell is provided with a feed port, two symmetrically arranged threshing rollers are arranged in the box body, and the feed port is provided with a feed port. Two threshing rollers are arranged in the box body, a feeding port is formed in the box body, the feeding port is located over the two threshing rollers, the two threshing rollers are matched with each other, a driving mechanism used for driving the threshing rollers is arranged on one side of the shell body, and a screening mechanism used for screening corn is arranged between the box body and the shell body. According to the corn cleaning device, the screen plate vibrates up and down, so that corn falling at the upper end of the screen plate is vibrated, dust and impurities on the corn are discharged from the through groove through the filter screen, the cleaned corn is discharged through the discharging port, the effect of cleaning the corn is achieved, and convenience is brought to people.

The utility model provides a primer sander for plate paint spraying, which belongs to the technical field of sanders and comprises a sander body, a polishing area is arranged in the sander body, a plurality of transmission rollers and a lower polishing roller are rotatably connected in the sander body relative to the polishing area and rotatably arranged in the polishing area through a second rotating shaft, and a support plate is arranged on the sander body. The supporting plate is provided with an upper polishing roller opposite to the lower polishing roller, the upper polishing roller is rotationally connected with the supporting plate through a first rotating shaft, the supporting plate is provided with a rotating mechanism for driving the first rotating shaft and the second rotating shaft to rotate relatively, and the clamping mechanisms are arranged on the two sides of the sanding machine body in a relatively sliding mode; and a driving assembly for driving the clamping mechanism to slide is arranged on the sander body. According to the plate polishing device, the rotating mechanism is arranged, a plate is clamped through the clamping mechanism, meanwhile, the driving assembly is used for driving the plate to move to the polishing area to be polished, and therefore the plate can be polished in all directions, and the polishing efficiency of the plate is improved.

This invention belongs to the field of low-temperature plasma deodorization technology, specifically a low-temperature plasma deodorization device, comprising: a housing, wherein the housing is used for low-temperature plasma deodorization of waste gas; a partition plate, which is fixedly connected to the top of the housing and provides support; a heating plate, wherein multiple heating plates are fixedly connected to the bottom of the partition plate and regulate the heating temperature inside the housing; and a rotating cylinder, which is rotatably connected to the inside of the housing. This invention is simple to operate, safe and stable, and achieves non-stop deodorization of external waste gas, improving deodorization efficiency and effect, meeting actual deodorization needs. Furthermore, it can adjust the workload of the discharge section according to the waste gas concentration to achieve uniform and efficient deodorization of the waste gas. It is highly adaptable and controllable, meeting actual processing requirements. During the deodorization process, it can also adaptively clear blockages in the filter screen with airflow, ensuring continuous and stable flow of external waste gas. It is durable and highly safe.

This invention belongs to the technical field of bearing production equipment, and particularly relates to a fully automatic bearing retainer laser cladding equipment. It includes a worktable, with two sets of feeding and discharging conveyor belts arranged side-by-side on the outer side of the worktable above the protective housing. These belts are used for receiving workpieces input inward and output outward. A transverse feeding mechanism is installed on the worktable above the discharging conveyor belt. A linkage drive assembly is provided between the transverse and longitudinal feeding mechanisms. A tilting mechanism is installed on the worktable below the laser cladding assembly, and a clamping mechanism is installed below the worktable corresponding to the auxiliary feeding mechanism. This invention is rationally designed, simple in structure, and easy to process. It integrates automatic feeding, laser cladding, and unloading functions, improving the linkage between equipment, ensuring smooth production, reducing labor intensity, guaranteeing processing progress, and meeting usage requirements.

The utility model discloses waste container sealing cover production equipment which comprises a workbench, a direction switching mechanism, a rotating moving mechanism and a linkage mechanism, a rotating shaft is rotationally arranged at the top of the workbench, a first mounting seat is welded to the top of the rotating shaft, a clamping air cylinder is fixed to the top of the first mounting seat, and fixing pieces are fixed to the tops of the two output ends of the clamping air cylinder. A polishing disc is arranged over the two fixing pieces, the direction conversion mechanism is used for changing the direction of the polishing disc, the rotating and moving mechanism is used for driving the polishing disc to rotate and move and comprises a rotating motor, and the linkage mechanism is used for driving a rotating shaft to rotate through the rotating motor. The direction of the polishing disc can be automatically converted, the polishing position can be converted without manually changing the position of the sealing cover, time and labor are saved, and the working efficiency is improved; and multiple functions can be achieved only through one driving device, the device cost is reduced, and the linkage performance of the whole device is improved.

This invention provides an easy-to-install glass curtain wall, comprising a glass curtain wall body, which includes horizontal frames, vertical frames, glass bodies, and a rotating rod. Two horizontal frames are provided, connected by the vertical frames. The rotating rod is fixed to the glass body and rotatably connected between the two horizontal frames. A first connecting mechanism is provided on the glass body, and a second connecting mechanism is provided on the vertical frames. The first and second connecting mechanisms can be connected and disconnected. This invention facilitates the installation and disassembly of the glass body and allows users to easily clean the inner and outer surfaces of individual glass curtain wall bodies. It features a clever design and strong interoperability.

The utility model discloses a portable waste gas sampling device for environment detection, which comprises a sampling device main body and a base, a support rod is arranged on the base, a transmission cavity is arranged in the support rod and the base, a vertical screw rod is arranged in the transmission cavity through a fixing plate, a driving mechanism connected with the vertical screw rod is arranged on the fixing plate, and the driving mechanism is connected with the vertical screw rod. An annular groove is formed in the bottom wall of the base, a plurality of transverse screws are arranged in the annular groove, the transverse screws are sleeved with movable frames in a threaded mode, movable openings are formed in the outer wall of the base, and the ends of the transverse screws extend into the transmission cavity and are connected with vertical screws through transmission mechanisms; and the vertical screw rod is sleeved with a connecting frame connected with the sampling device main body in a threaded manner. Through the arrangement of the supporting rod, the vertical screw rod, the transverse screw rod, the movable frames and the like, when the sampling device main body in the device is placed at a high height, the plurality of movable frames can be unfolded to enhance the supporting stability of the base, and the safety of the device is ensured.

The utility model discloses a multifunctional computer base which comprises a shell device, a heat dissipation device is arranged at the bottom of the shell device, and a power device is arranged at the bottom of the heat dissipation device. The power device comprises a second supporting plate, a first gear is rotationally arranged at the top of the second supporting plate, a motor is installed at the bottom of the first gear, a second gear is arranged behind the first gear, a third gear is arranged behind the second gear, and a cam is arranged at the bottom of the third gear. According to the multifunctional computer base disclosed by the utility model, the design that the cam repeatedly pokes the pulley is matched with the spring to drive the filter frame and the filter screen to quickly move back and forth, so that dust attached to the bottom surface of the filter screen falls off, the filtering effect of the filter screen is improved, and the running stability of the device is improved; through the design that a second gear drives a third gear and a first belt wheel to rotate at the same time, the filter screen is driven to shake while a single motor drives fan blades to rotate, the linkage performance of the device is improved, and the use cost is conveniently saved.

This invention relates to the field of rotating surface grinding technology for pipe fittings, and discloses a surface grinding machine tool for electrolytic polishing pretreatment of circular pipes. The machine tool includes a machine base with symmetrically arranged support frames at its two ends. A bidirectional lead screw is horizontally rotatably mounted inside the machine base, with both ends of the lead screw fixed to the inner wall of the machine base via bearing seats. The invention utilizes a cylinder rod extending outwards. On one hand, it drives a pusher to move along a limiting linear groove. Through a series of transmissions, a portion of the grinding block extends out of the receiving groove and contacts the inner surface of the circular pipe fitting, grinding the inner rotating surface of the pipe fitting. On the other hand, a push rod outside the pusher moves linearly, opening the sealing block at the liquid inlet, allowing the grinding fluid in the inner cavity to enter the annular centrifugal chamber through the drainage section. The grinding fluid in the annular centrifugal chamber undergoes centrifugal wall-attaching motion and is randomly thrown outwards from the centrifugal guide tube at the chamber wall, spraying outwards from the spraying oblique hole.

The utility model discloses a kind of carton multi-station punching conveyors, including support frame, support frame is equipped with conveying roller, support frame side surface is fixedly installed with speed reducer, the output end of speed reducer is fixedly connected with bidirectional screw rod one, installation plate is set on the outer side of bidirectional screw rod one, rotating roller is set on the side surface of installation plate, bidirectional screw rod one end is fixedly connected with transmission wheel one, support frame inner wall is rotatably connected with bidirectional screw rod two one end, bottom plate is set below bidirectional screw rod two, moving plate is set on the outer side of bidirectional screw rod two, moving plate top is fixedly connected with limiting plate, bidirectional screw rod two one end is fixedly connected with transmission wheel two.The utility model passes through the interval of rotating roller by bidirectional screw rod one rotation adjustment, and simultaneously drives bidirectional screw rod two adjustment limiting plate interval, to satisfy the punching processing of different specifications paperboard, improve the linkage effect of overall structure.

The invention relates to the field of fungus fermentation devices, which comprises a fermentation box, and a rear shell is arranged at the rear end of the box. A guide groove is formed in the top end in the moving pipe, and a discharge pipe is slidably connected to the outer end of the moving pipe; an outer end mounting plate is in threaded connection with the rear end of the fermentation box. According to the device, the fermentation vessel can be fixed through the arc-shaped range limiting block of the movable frame, and the discharging pipe automatically discharges materials to the fermentation vessel by virtue of the wedge-shaped block, so that the linkage property and the working efficiency are improved. The feeding fermentation amount in the fermentation vessel can be adjusted, good adjustability is achieved, and the problems that automatic discharging is achieved through a single discharging pipe, and the fermentation amount is inconvenient to adjust are solved.

The present application relates to a method, device, computer equipment, storage medium and computer program product for processing store data. The method comprises: screening an abnormal store identification set from the initial store identification set according to the operation data corresponding to each initial store identification in the initial store identification set and the pre-constructed operation evaluation conditions; selecting a target store identification associated with the specified source store identification from at least one candidate store identification according to the index value of the first store index corresponding to the specified source store identification and the index value of the second store index corresponding to each candidate store identification in at least one candidate store identification, wherein the specified source store identification and the candidate store identification are store identifications in the abnormal store identification set; and pushing the virtual resources corresponding to the target store identification to the customer terminal in response to the trigger operation of the customer account for the virtual resources. The use of this method can improve the passenger flow utilization rate.

The invention discloses a transformer PIN foot detection device, which relates to the technical field of transformer detection, and includes a detection platform and a CCD camera arranged above the detection platform, wherein a control display is installed above the detection platform. The transformer PIN foot detection device can realize step-by-step pushing of the transformer through the setting of a limit feeding mechanism one by one, and then automatically take photos for detection operation, and can combine the movement of the transformer with the CCD camera photo detection to realize linkage and efficient detection, and in the detection process, the fitting gear can realize high-speed rotation when the sliding seat moves downward, and then drive the push rod to rotate at high speed, and the push rod rotates continuously through the high-speed rotating push rod to continuously hit the push plate, and then continuously squeeze the air bag, so that the air in the air bag is continuously ejected at high speed, and the dust on the CCD camera lens can be blown off, so that the CCD camera lens can ensure a clear state before taking photos and comparing each time, improve the accuracy of detection, and the linkage between the various components is high, which effectively reduces the use cost.

An unmanned aerial vehicle on-line hoisting structure comprises a stand column, a moving base, a pressing assembly, a linkage assembly, walking wheels, a first driving device, a second driving device, a mounting base, a hoisting arm and a connecting assembly. One end of the stand column is mounted on the inspection robot, a mounting seat is mounted at the other end of the stand column, the traveling wheels are rotatably mounted on the mounting seat, and the second driving device is used for driving the traveling wheels to rotate; one end of the suspension arm is detachably installed on the installation base through a connecting assembly, the other end of the suspension arm is used for being connected with an unmanned aerial vehicle, the connecting assembly is movably installed on the installation base, and the end of the connecting assembly can be installed at one end of the suspension arm. The utility model provides the on-line hoisting structure of the unmanned aerial vehicle according to the content, and solves the problems of long time consumption and low on-line efficiency due to the fact that the on-line hoisting structure in the prior art needs to place the inspection robot, firstly press the inspection robot to prevent the inspection robot from falling off and then take out the suspension arm or the suspension rope.

The application relates to a kind of based on automobile seat extremely fast turnover automatic storage equipment, vehicle connection line is used to interface with connection car, and automatic storage module is conveyed to the right to empty vehicle output by connection car, and the empty vehicle is lifted and conveyed to empty vehicle conveying line by elevator;Jacking rotary mechanism is arranged in the output end of empty vehicle conveying line and is used to rotate 90 degrees after the vehicle conveying line output by empty vehicle conveying line is sent into loading speed line, and the empty vehicle is conveyed from right to left by loading speed line;Hoist equipment is used to hoist the seat on the seat finished product trolley to the empty vehicle on loading speed line;Stacker is used to rotate 90 degrees after the vehicle loaded with seat output by loading speed line is conveyed to automatic storage module forward. The equipment reduces fixed storage investment, improves the linkage of each supplier delivery system, realizes seamless connection of unpredictable plan quantity, greatly reduces the assembly line shutdown of whole vehicle factory, ensures delivery date, and reduces fixed equipment investment cost.

The present invention discloses a mechanism for preventing edge warping during rolling of plastic sheets, comprising a workbench, a base is welded at the four corners of the bottom of the workbench, clamping mechanisms are arranged on both sides of the workbench, a rolling mechanism is arranged inside the workbench, a pressing groove is opened on the inner upper surface of the workbench, and a blocking mechanism is arranged on the outer side of the workbench. The present invention pushes a movable plate to move downward inside a first movable groove, and the movable plate simultaneously drives a limit plate to compress a first spring downward, the limit plate can limit the range of motion of the movable plate, the limit plate can prevent the movable plate from excessively moving upward, and can restore the initial position under the action of the first spring after the processing is completed, and the movable plate drives the clamping block to clamp the two ends of the plastic plate downward, so as to prevent the problem of warping of both sides of the plastic plate during rolling, and at the same time prevent the plastic plate from moving during the rolling process, thereby improving the quality of plastic plate rolling.